1 2000-12-02 Richard Earnshaw <rearnsha@arm.com>
3 * arm.h (ARM_REGNO_OK_FOR_BASE_P, THUMB_REGNO_MODE_OK_FOR_BASE_P): New
5 (REGNO_MODE_OK_FOR_BASE_P): Define in terms of above.
6 (REGNO_OK_FOR_FOR_BASE_P): Delete.
7 (ARM_REG_OK_FOR_BASE_P, THUMB_REG_MODE_OK_FOR_BASE_P): New macros for
8 both strict and non-strict uses.
9 (REG_MODE_OK_FOR_BASE_P): Define in terms of above.
10 (ARM_REG_OK_FOR_INDEX_P, THUMB_REG_OK_FOR_INDEX_P): New macros.
11 (REG_OK_FOR_INDEX_P): Define in terms of above.
12 (REG_OK_FOR_BASE_P): Delete.
13 (REG_OK_FOR_PRE_POST_P): Delete.
14 (ARM_BASE_REGISTER_RTX_P): Renamed from BASE_REGISTER_RTX_P.
15 (ARM_INDEX_REGISTER_RTX_P): Renamed from INDEX_REGISTER_RTX_P.
16 (ARM_GO_IF_LEGITIMATE_INDEX): Renamed from GO_IF_LEGITIMATE_INDEX.
17 (THUMB_LEGITIMATE_OFFSET): Renamed from LEGITIMATE_OFFSET.
18 (ARM_GO_IF_LEGITIMATE_ADDRESS): Adjust for name changes. Use ARM
19 specific variants rather than general ones. Use ARM_REG_OK_FOR_BASE_P
20 in pre/post increment cases.
21 (THUMB_GO_IF_LEGITIMATE_ADDRESS): Similarly for Thumb.
22 (ARM_LEGITIMIZE_ADDRESS): Similarly.
23 (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Similarly.
24 * arm.c (legitimate_pic_address): Similarly.
26 2000-12-02 Neil Booth <neilb@earthling.net>
28 * tradcpp.c (struct answer, parse_assertion, parse_answer,
29 canonicalize_text, find_answer): New.
30 (do_assert, do_unassert): Provide appropriate function bodies.
31 (union hashval): New member answers.
33 2000-11-23 Marek Michalkiewicz <marekm@linux.org.pl>
35 * config/avr/avr.md: Document UNSPEC usage.
36 (*tablejump_rjmp, *tablejump_lib, *tablejump_enh, *tablejump):
37 Make operand 0 input only, clobber it. Use UNSPEC, not a bogus
38 MEM for program memory word reference. Do not add the label to
39 the table index in each of the asm output templates, instead ...
40 (casesi): ... do it in RTL. Adjust to match the above change.
42 2000-12-02 Bernd Schmidt <bernds@redhat.co.uk>
44 * c-common.c (PTRDIFF_TYPE): Provide default here, ...
45 * c-decl.c: ... not here.
47 * haifa-sched.c (sched_dump): Renamed from dump. All users changed.
48 (old_max_uid): New variable.
49 (compute_forward_dependences): Renamed from
50 compute_block_forward_dependences; changed to accept block head and
51 tail instead of block number. Caller changed.
52 (free_deps, init_dependency_caches, free_dependency_caches,
53 init_regions, sched_init): New functions, split out from
54 schedule_insns and compute_block_backward_dependences.
56 2000-12-02 Neil Booth <neilb@earthling.net>
58 * cppexp.c (parse_number): Update diagnostic test.
60 2000-12-02 Bernd Schmidt <bernds@redhat.co.uk>
62 * reload1.c (free_for_value_p): New function, frontend to
63 reload_reg_free_for_value_p. All callers of the latter now call
64 this function with an additional mode argument.
66 2000-12-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
68 * install.texi (Configurations): Remove obsolete documentation for
71 2000-12-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
73 * install.texi (Installation): Remove obsolete description for
74 libstdc++ which is now an integral part of GCC.
76 2000-12-01 Jim Blandy <jimb@redhat.com>
78 * dbxout.c (dbxout_parms): Correctly describe parameters passed by
79 invisible reference in registers, but then spilled to the stack.
80 Remove code to emit a second stab for such parameters; it attempts
81 to describe the value's location by introducing a synthetic C++
82 `reference' type, and then saying the stack slot has that
83 reference type. This loses type information (breaking GDB's
84 `ptype' command, among other things) just to describe a location
85 which stabs can represent correctly in other ways.
87 2000-12-01 Alexandre Oliva <aoliva@redhat.com>
89 * final.c (output_addr_const) <PLUS>: Don't assume at least one
90 operand is a CONST_INT.
92 * config/sh/sh.c (reg_class_from_letter): Assign `k' to SIBCALL_REGS.
93 (machine_dependent_reorg): Split all insns.
94 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Compute
95 reg_class_contents[SIBCALL_REGS].
96 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Add SIBCALL_REGS.
97 * config/sh/sh.md (calli_pcrel, call_pcrel, call_valuei_pcrel,
98 call_value_pcrel, call, call_value, sibcall): Match even when
100 (sibcalli_pcrel, sibcall_pcrel): Likewise. Use constraint `k'
102 (sibcalli): Likewise.
104 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
106 * c-common.c (warn_format, warn_format_y2k,
107 warn_format_extra_args, warn_format_nonliteral): Define.
108 (check_format_info): Check warn_format_nonliteral and
109 warn_format_extra_args.
110 (check_format_info_main): Check warn_format_y2k.
111 (set_Wformat): New function.
112 * c-common.h (warn_format_y2k, warn_format_extra_args,
113 warn_format_nonliteral, set_Wformat): Declare.
114 * c-decl.c (warn_format): Remove definition.
115 (c_decode_option): Handle -Wformat-nonliteral,
116 -Wno-format-extra-args and -Wno-format-y2k, and negated versions.
118 * invoke.texi: Document these new options and -Wformat=2.
119 * toplev.c (documented_lang_options): Add these new options.
121 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
123 * builtins.def (BUILT_IN_IMAXABS): Add.
124 * builtins.c (expand_builtin): Also abort on BUILT_IN_IMAXABS.
125 * c-common.c (c_common_nodes_and_builtins): Create builtin
126 functions __builtin_imaxabs, and plain imaxabs unless
127 flag_no_nonansi_builtin outside C99 mode.
128 (expand_tree_builtin): Handle BUILT_IN_IMAXABS.
129 * extend.texi: Document builtin imaxabs.
131 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
133 * c-common.c: Include "defaults.h".
134 (WINT_TYPE, INTMAX_TYPE, UINTMAX_TYPE): Define.
135 (c_common_nodes_and_builtins): Create string_type_node,
136 const_string_type_node, wint_type_node, intmax_type_node,
137 uintmax_type_node, default_function_type, ptrdiff_type_node and
138 unsigned_ptrdiff_type_node.
139 * c-common.h (identifier_global_value): Declare.
140 * c-decl.c (WINT_TYPE, INTMAX_TYPE, UINTMAX_TYPE): Don't define.
141 (init_decl_processing): Don't create string_type_node,
142 const_string_type_node, wint_type_node, intmax_type_node,
143 uintmax_type_node, default_function_type, ptrdiff_type_node and
144 unsigned_ptrdiff_type_node.
145 (identifier_global_value): New function.
147 2000-12-01 Neil Booth <neilb@earthling.net>
149 * cppinit.c (initialize): Forgotten prototype.
150 * cpplex.c (_cpp_lex_token): Loop until not skipping.
151 Always clear PREV_WHITE upon meeting a new line.
152 * cpplib.c (end_directive): Set pfile->skipping after
154 * cpplib.h (cpp_reader): Remove macro_pos.
155 * cppmacro.c (cpp_get_line): Don't do anything special inside
157 (parse_arg): Add PREV_WHITE if a token appears after new lines.
158 (funlike_invocation_p): Save and restore the output position
159 over a successful check for a '('.
160 (enter_macro_context): Delete uses of macro_pos.
161 (cpp_get_token): Don't use pfile->skipping.
163 2000-12-01 Phil Edwards <pme@sources.redhat.com>
165 * diagnostic.c: Fix typos in comments.
166 * diagnostic.h: Likewise.
168 2000-11-30 Phil Edwards <pme@sources.redhat.com>
170 * rtl.texi (Machine Modes): Document BImode and OImode.
172 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
174 * gcc.c (default_compilers): Add suffixes .mi, .cp, .ii, .FOR and
177 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
179 * c-decl.c (grokdeclarator): If pedantic, warn about arrays with
180 incomplete element type.
181 (grokparms): Before checking for incomplete parameter type, check
182 the type isn't error_mark_node.
184 2000-12-01 Jakub Jelinek <jakub@redhat.com>
186 * builtins.c (target_char_cast): New function.
187 (expand_builtin_strchr): Use it.
188 (expand_builtin_strrchr): Use it.
189 (builtin_memset_read_str): New function.
190 (expand_builtin_memset): Use target_char_cast.
191 Try to optimize memset with second argument non-zero using
194 2000-11-30 Marek Michalkiewicz <marekm@linux.org.pl>
196 * install.texi (avr): Replace incomplete list of supported MCU
197 types with a link to the current one ...
198 * invoke.texi (AVR Options): ... here. Update -mmcu= to list
199 all supported MCU types. Document -minit-stack= default.
200 Document new options -mno-tablejump, -mtiny-stack.
201 * md.texi (AVR family): Fix typo in 'w' constraint letter
202 description. Document 'q'. Update 'O'.
204 2000-12-01 Bernd Schmidt <bernds@redhat.co.uk>
206 * combine.c (cant_combine_insn_p): Only disallow insns involving
207 hard regs if they are reg-reg moves.
208 (try_combine, can_combine_p, combinable_i3pat): Delete old
209 SMALL_REGISTER_CLASSES tests.
211 2000-12-01 Alexandre Oliva <aoliva@redhat.com>
213 * config/sh/sh.c (shiftcosts): Don't get INTVAL before testing
214 whether X is a CONST_INT.
215 (addsubcosts): Likewise.
217 * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA): Use INTVAL instead of
219 (ARG_POINTER_REGNUM): Set to AP_REG.
221 2000-11-30 Alexandre Oliva <aoliva@redhat.com>
223 * config/sh/sh.md (fpu_switch0, fpu_switch1, movpsi, fpu_switch,
224 splits): Only match on TARGET_SH4.
226 * combine.c (try_combine): Disregard USEs when updating LOG_LINKS
229 2000-11-30 Richard Henderson <rth@redhat.com>
231 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Disable.
232 * config/alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
234 2000-11-30 Richard Henderson <rth@redhat.com>
236 * config/alpha/elf.h (ASM_OUTPUT_SECTION_NAME): Copy elfos.h defn.
237 (DO_SELECT_SECTION): New.
238 (SELECT_SECTION): Use it.
239 (UNIQUE_SECTION_P): New.
240 (UNIQUE_SECTION): New.
242 2000-11-30 Alexandre Oliva <aoliva@redhat.com>
244 * c-common.c (status_warning) [! ANSI_PROTOTYPES]: Load status
245 from va_list before using it.
247 2000-11-30 Michael Matz <matzmich@cs.tu-berlin.de>
249 * flow.c (make_edge): Early out, if no flags to set.
250 (calculate_global_regs_live): Clear out garbage only when necessary.
252 * simplify-rtx.c (varray_type used_regs): New.
253 (clear_table): Use it to only clear necessary items.
254 (cselib_lookup, cselib_record_set): Remember newly set items.
255 (cselib_update_varray_sizes, cselib_init): Initialize and grow
258 * local-alloc.c (update_equiv_regs): New local `cleared_regs'.
259 Move clearing of dead regs out of insn-loop.
261 2000-11-30 Richard Henderson <rth@redhat.com>
263 * calls.c (expand_call): Emit queued insns before creating
264 the tail recursion sequence.
266 2000-11-30 J. David Anglin <dave.anglin@nrc.ca>
267 Bruce Korb <bkorb@gnu.org>
269 * fixinc/inclhack.def(): prevent dual double definition protection
270 * fixinc/fixincl.x: regenerate
272 2000-11-29 Loren J. Rittle <ljrittle@acm.org>
274 * fixinc/Makefile.in (fixincl.x): Explicitly state the
275 location of the generated file.
277 2000-11-30 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
279 * README.FRESCO: Remove obsolete file.
281 2000-11-30 Mark Kettenis <kettenis@gnu.org>
283 * configure.in: Reorganize handling of *-*-gnu*, to share target
284 specific make details with Linux. Update comments to clarify
285 the distinction between GNU/Linux and GNU/Hurd.
286 * config/t-gnu (LIBGCC1, CROSS_LIBGCC1, CRTSTUFF_T_CFLAGS,
287 TARGET_LIBGCC2_CFLAGS): Remove. We now use the settings from
288 config/t-linux for the Hurd.
290 2000-11-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
292 * config/mn10200/udivmod.c, config/mn10200/divmod.c,
293 config/mn10200/udivmodsi4.c: Moved from here.
294 * config/udivmod.c, config/divmod.c, config/udivmodsi4.c: To here.
295 * config/mn10200/t-mn10200 (LIB2FUNCS_EXTRA): Use the generic
296 C division functions.
297 * config/m68hc11/t-m68hc11-gas (LIB2FUNCS_EXTRA): Likewise.
299 Thu Nov 30 01:12:52 2000 Jeffrey A Law (law@cygnus.com)
301 * pa.md (conditional moves): Avoid holes in operand list.
302 (mod, umod patterns): Similarly.
303 (variable extract/shift patterns): Similarly.
305 2000-11-30 Neil Booth <neilb@earthling.net>
307 * objc/objc-act.c (lang_init, finish_file, maybe_objc_comptypes,
308 maybe_objc_check_decl, build_objc_string_object,
309 objc_declare_alias, objc_declare_class, build_message_expr,
310 build_protocol_expr, build_selector_expr, build_encode_expr,
311 get_class_ivars, start_class, start_protocol): Remove
312 redundant code, assuming doing_objc_thang is true.
314 2000-11-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
316 * pa.c (restore_unscaled_index_insn_codes): Delete procedure.
317 (record_unscaled_index_insn_codes): Likewise.
318 (unscaled_index_insn_codes): Delete.
319 (max_unscaled_index_insn_codes_uid): Delete.
320 (output_function_prologue, output_function_epilogue, pa_reorg):
321 Don't use the unscaled index insn hack.
323 * pa.md: Remove hack from all index insns to reverse the operand
324 order of frame and stack pointer references incorrectly created
327 * function.h (emit_status): Delete member regno_pointer_flag and
328 rename regno_pointer_flag_length to regno_pointer_align_length.
329 Delete define for REGNO_POINTER_FLAG.
330 * integrate.h (inline_remap): Delete member regno_pointer_flag.
331 Add member x_regno_reg_rtx.
332 * rtl.h (rtx_def): Use frame_related bit to indicate register is
333 a pointer in REG expressions. Define REG_POINTER macro.
334 * alias.c (find_base_value, find_base_term): Use REG_POINTER
335 instead of REGNO_POINTER_FLAG.
336 * combine.c (nonzero_bits, num_sign_bit_copies): Likewise.
337 * emit-rtl.c (gen_reg_rtx): Use regno_pointer_align_length instead
338 of regno_pointer_flag_length. Remove code which refers to
340 (mark_reg_pointer): Use REG_POINTER.
341 (free_emit_status): Remove code which refers to regno_pointer_flag.
342 (init_emit, mark_emit_status): Likewise.
343 * flow.c (dump_flow_info): Likewise.
344 * function.c (preserve_temp_slots): Likewise.
345 * integrate.c (expand_inline_function, copy_rtx_and_substitute):
346 Use x_regno_reg_rtx instead of regno_pointer_flag for function
347 pointer determination in map.
348 * loop.c (strength_reduce, maybe_eliminate_biv_1): Use REG_POINTER.
349 * predict.c (estimate_probability): Likewise.
350 * regclass.c (record_address_regs, reg_scan_mark_refs): Likewise.
351 * unroll.c (unroll_loop): Use x_regno_reg_rtx instead of
352 regno_pointer_flag for function pointer determination in map.
353 * convex.h (RTX_COSTS): Don't test regno_pointer_flag and use
355 * pa.c (hppa_legitimize_address, emit_move_sequence, basereg_operand):
357 (restore_unscaled_index_insn_codes): Revise comment.
359 * expr.c (do_compare_and_jump): Add missing TYPE_MODE in statement.
361 2000-11-30 Joseph S. Myers <jsm28@cam.ac.uk>
363 * extend.texi: Update documentation for attributes.
365 2000-11-29 David O'Brien <obrien@FreeBSD.org>
367 * config/alpha/elf.h (IDENT_ASM_OP): Protect the #define.
368 (ASM_DECLARE_OBJECT_NAME): Same.
369 (ASM_FILE_END): Same.
370 (ASM_FINISH_DECLARE_OBJECT): Same.
371 (ASM_IDENTIFY_GCC): Same.
372 (ASM_IDENTIFY_LANGUAGE): Same.
373 (ASM_OUTPUT_CONSTRUCTOR): Same.
374 (ASM_OUTPUT_DEF): Same.
375 (ASM_OUTPUT_DESTRUCTOR): Same.
376 (ASM_OUTPUT_EXTERNAL_LIBCALL): Same.
377 (ASM_OUTPUT_SECTION_NAME): Same.
378 (ASM_WEAKEN_LABEL): Same.
379 (BSS_SECTION_ASM_OP): Same.
380 (COMMON_ASM_OP): Same.
381 (CONST_SECTION_ASM_OP): Same.
382 (CONST_SECTION_FUNCTION): Same.
383 (CTORS_SECTION_ASM_OP): Same.
384 (DTORS_SECTION_ASM_OP): Same.
386 (FINI_SECTION_ASM_OP): Same.
387 (IDENT_ASM_OP): Same.
388 (IDENT_ASM_OP): Same.
389 (INIT_SECTION_ASM_OP): Same.
391 (MAX_OFILE_ALIGNMENT): Same.
392 (SBSS_SECTION_ASM_OP): Same.
393 (SDATA_SECTION_ASM_OP): Same.
394 (SECTION_FUNCTION_TEMPLATE): Same.
395 (SELECT_SECTION): Same.
396 (SE_CONST_SECTION): Same.
399 (STRING_ASM_OP): Same.
400 (STRING_LIMIT): Same.
402 (TYPE_OPERAND_FMT): Same.
404 2000-11-29 Neil Booth <neilb@earthling.net>
406 * c-decl.c (c_decode_option): Don't handle -lang-objc.
407 * objc/lang-options.h: Remove -lang-objc.
408 * objc/lang-specs.h: Don't pass -lang-objc to cc1obj.
409 * objc/objc-act.c (lang_init_options): Set c_language.
411 2000-11-29 Jakub Jelinek <jakub@redhat.com>
413 * expr.c (can_store_by_pieces): Reinitialize max_size for reverse
416 2000-11-29 Neil Booth <neilb@earthling.net>
418 * c-pragma.c (init_pragma): Update for parse_in type change.
420 2000-11-29 Laurynas Biveinis <lauras@softhome.net>
422 * configure.in: recognize DOS-style absolute paths.
424 2000-11-29 Jakub Jelinek <jakub@redhat.com>
426 * expr.h (store_by_pieces): Add prototype.
427 (can_store_by_pieces): Likewise.
428 * expr.c (struct store_by_pieces): Renamed from clear_by_pieces.
429 (can_store_by_pieces): New.
430 (store_by_pieces): New.
431 (clear_by_pieces): New.
432 (clear_by_pieces_1): New.
433 (store_by_pieces_1): Renamed from clear_by_pieces, handle storing
434 arbitrary compiler generated constants into memory block.
435 (store_by_pieces_2): Renamed from clear_by_pieces_1, likewise.
436 * builtins.c (c_readstr): New.
437 (builtin_memcpy_read_str): New.
438 (expand_builtin_memcpy): If src is string constant and
439 emit_block_move would move it by pieces, compute integer constants
440 from the string and store it into memory block instead.
441 (builtin_strncpy_read_str): New.
442 (expand_builtin_strncpy): If N is not constant zero and c_strlen does
443 not return INTEGER_CST, don't optimize.
444 If N is larger than strlen(src) + 1, try to copy the string
445 including padding with store_by_pieces.
446 (expand_builtin_strcmp): If both arguments have side effects, don't
448 (expand_builtin_fputs): If STR has side effects, don't optimize.
450 2000-11-29 Richard Earnshaw <rearnsha@arm.com>
452 * arm.md (sibcall, sibcall_value, sibcall_insn, sibcall_value_insn):
453 Add use of link register.
455 2000-11-29 Joseph S. Myers <jsm28@cam.ac.uk>
457 * extend.texi: Update documentation for default format attributes.
459 Tue Nov 28 21:56:45 2000 Jeffrey A Law (law@cygnus.com)
461 * pa/pa-64.h (ASM_OUTPUT_SECTION_NAME): Use a hash table, not
462 a list, to keep track of the sections.
464 2000-11-28 Nick Clifton <nickc@redhat.com>
466 * config/arm/arm.md (pic_load_addr): Split into
467 pic_load_addr_arm and pic_load_addr_thumb.
469 * config/arm/arm.c (legitimize_pic_address): Generate either
470 ARM or Thumb versions of pic_load_addr.
471 (arm_finalize_pic): Generate either ARM or Thumb versions of
474 2000-11-28 Richard Henderson <rth@redhat.com>
476 * calls.c (expand_call): Defer const/pure NO_DEFER_POP until
477 after sibcall do_pending_stack_adjust.
479 Wed Nov 29 00:08:23 2000 J"orn Rennecke <amylaar@redhat.com>
481 * jump.c (delete_insn): Check that REG_LABEL note actually contains
484 2000-11-28 Neil Booth <neilb@earthling.net>
486 * c-common.h: Remove flag_digraphs.
487 * c-decl.c: Remove flag_digraphs.
488 (c_decode_option): Don't set it.
489 * c-lex.c (init_c_lex): Don't do anything for digraphs.
491 2000-11-28 Richard Henderson <rth@redhat.com>
493 * c-parse.in (finish_parse): Update for parse_in type change.
496 2000-11-28 Neil Booth <neilb@earthling.net>
498 * cppmacro.c (cpp_scan_buffer_nooutput): Take a boolean
499 indicating whether to scan all buffers on the stack or
501 * cppinit.c (do_includes): Update.
502 * cppmain.c (main): Update.
503 * cpplib.h: Update prototype.
505 2000-11-28 Richard Henderson <rth@redhat.com>
507 * genoutput.c (validate_insn_operands): New.
510 * config/alpha/alpha.md (divmodsi_internal): Renumber operands.
511 (divmoddi_internal): Likewise.
512 * config/arm/arm.md (andsi3_compare0_scratch): Likewise.
513 * config/i960/i960.md (branch patterns): Likewise.
514 * config/ia64/ia64.md (tbit_and_0): Likewise.
515 (tbit_and_1, tbit_or_0, tbit_or_1): Likewise.
516 * config/m68k/m68k.md (zero_extract memory patterns): Likewise.
517 * config/mips/mips.md (divmodsi4_internal): Likewise.
518 (divmoddi4_internal): Likewise.
519 * config/rs6000/rs6000.md (call patterns): Likewise.
520 * config/sh/sh.md (movsi_y): Likewise.
521 * config/sparc/sparc.md: Comment out if 0 v8p shift pattern.
523 2000-11-28 Richard Henderson <rth@redhat.com>
525 * config.gcc: Kill residual pyramid support.
527 2000-11-28 Neil Booth <neilb@earthling.net>
529 * c-lex.h (parse_in): Change parse_in to a cpp_reader *.
530 * c-decl.c (c_decode_option): Update to match.
531 * c-lex.c (init_c_lex, yyparse): Update to match.
532 * c-lang.c (lang_init_options): Use cpp_create_reader.
533 * cppinit.c (cpp_init): Rename initialize.
534 (cpp_reader_init): Rename cpp_create_reader. Create the
535 reader. Initialize cpplib if appropriate.
536 * cpplib.h (cpp_create_reader) New prototype.
537 (cpp_init, cpp_reader_init): Delete prototypes.
538 * cppmain.c (general_init, setup_callbacks): New functions.
540 * fix-header.c (scan_in): Change type to cpp_reader *.
541 (read_scan_file): Update for new cpplib interface and scan_in type.
543 * cp/decl.c (parse_in): Change to cpp_reader *.
544 (lang_decode_option): Update.
545 * cp/lex.c (lang_init_options): Use new cpplib interface.
546 (init_cp_pragma, finish_parse, handle_pragma_implementation): Update.
547 * cp/spew.c (read_token): Update.
548 * objc/objc-act.c (lang_init_options): Update new cpplib interface.
550 2000-11-28 Jakub Jelinek <jakub@redhat.com>
552 * loop.c (load_mems): Avoid using next_label to find end_label. If
553 jumping outside of the loop (other than loop end), don't hoist MEMs
556 2000-11-28 Jan Hubicka <jh@suse.cz>
558 * calls.c (expand_call): Don't disable tail recursion based
561 2000-11-28 Neil Booth <neilb@earthling.net>
563 * tradcpp.c (enum node_type): New hash types T_ASSERT, T_UNASSERT.
564 (struct directive): Drop 4th argument from handlers.
565 (do_define, do_line, do_include, do_undef, do_else, do_elif,
566 do_endif): Similarly.
567 (do_assert, do_unassert, do_ifdef, do_ifndef): New handlers.
568 (do_ifxdef): Update as common handler of do_ifdef and do_ifndef.
569 (make_definition, make_undef): Take a const char*.
570 (make_assertion): New function.
571 (struct directive_table): Update.
572 (main): Handle -A command line argument.
573 (handle_directive): Drop fourth handler argument.
575 2000-11-28 Bernd Schmidt <bernds@redhat.co.uk>
577 * simplify-rtx.c (cselib_record_sets): Ignore sets whose destination
578 is anything but REG or MEM, but look inside STRICT_LOW_PART.
580 Tue Nov 28 09:53:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
582 * system.h (IS_DIR_SEPARATOR): Use uppercase macro name.
583 (IS_ABSOLUTE_PATHNAME): New macro.
584 * gcc.c (find_a_file, process_command, do_spec_1, main): Use it.
586 2000-11-28 Jakub Jelinek <jakub@redhat.com>
588 * config/i386/i386.md (truncxfsf2_2): Fix predicate.
590 2000-11-27 Jim Wilson <wilson@redhat.com>
592 * reload1.c (reload): Use HOST_WIDE_INT for old_frame_size.
594 2000-11-27 Matthias Klose <doko@cs.tu-berlin.de>
596 * extend.texi (Nested Functions): Update URL of Usenix paper.
598 2000-11-27 Mark Mitchell <mark@codesourcery.com>
600 * function.c (free_after_compilation): Clear x_clobber_return_insn.
602 2000-11-27 Neil Booth <neilb@earthling.net>
604 * cppinit.c (cpp_reader_init): Remove handling of warn_paste
605 command line options.
606 (cpp_handle_option): Similarly.
607 * cpplib.h (struct cpp_options): Remove warn_paste.
608 * cppmacro.c (paste_tokens): Apart from assembler, make
609 unpasteable token warning mandatory.
611 2000-11-27 Neil Booth <neilb@earthling.net>
613 * tradcpp.c (enum pending_dir_t, struct pending_dir): New.
614 (main): Allocate a pending directive set of these. Use it.
615 Merge handling of -D and -U. Update handling of pending
616 directives. Free the memory after use.
618 2000-11-27 Bernd Schmidt <bernds@redhat.co.uk>
620 * flow.c (entry_exit_blocks): Add entry for cond_local_set.
621 (struct propagate_block_info): Add new member cond_local_set.
622 (propagate_block): Accept new arg cond_local_set. All callers
624 (init_propagate_block_info): Likewise.
625 (calculate_global_regs_live): Allocate & free cond_local_set. Always
626 rescan if there's overlap between cond_local_set and new_live_at_end.
627 (mark_set_1): Set bits either in cond_local_set or local_set, as
629 * basic-block.h (struct basic_block_def): New field cond_local_set.
630 (propagate_block, init_propagate_block_info): Update prototypes.
632 Mon Nov 27 17:29:44 2000 kaz Kojima <kkojima@rr.iij4u.or.jp>
634 * gcc/config/sh/sh.md (udivsi3_i4, udivsi3_i4_single): Clobber
637 2000-11-27 Richard Earnshaw <rearnsha@arm.com>
639 * arm.c (select_dominance_cc_mode): Handle new way that combine
640 canonicalizes conditional compares.
641 (arm_select_cc_mode): Likewise.
642 * arm.md: Garbage collect some dead code.
643 (cmp_and, cmp_ior): New patterns.
644 (splitter for conditional move with inverted false): Use cond_exec
645 and handle unordered comparisons.
647 Mon Nov 27 17:22:56 MET 2000 Jan Hubicka <jh@suse.cz>
649 * i386.c (ix86_force_to_memory, ix86_free_from_memory): New.
650 * i386-protos.h (ix86_force_to_memory, ix86_free_from_memory): Declare
651 * i386.md (float?i?f, int/fp operations): Rewrite spliters to use
652 ix86_force_to_memory and ix86_free_from_memory.
654 2000-11-27 Richard Earnshaw <rearnsha@arm.com>
656 * arm.md (arm_adddi3, adddi_sesidi_di, adddi_zesidi_di, arm_addsi3,
657 arm_subsi3_insn, anddi_zesidi_di, arm_andsi3_insn, anddi_notdi_di,
658 anddi_notzesidi_di, anddi_notsesidi_di, arm_iorsi3,
659 one_cmpldi2): Merge with splitters to create define_insn_and_split
660 patterns. Remove redundant splits.
661 (peephole2 for add:SI of invalid immediate): New.
662 (peephole2 for minus:SI of invalid immediate): New.
663 (peephole2 for ior:SI of invalid immediate): New.
664 (peephole for merge of move and compare): Convert ot peephole2.
665 (addsf3, adddf3): Mark as commutative.
667 * arm.md (thumb peephole for merging stack adjustments): Convert to
670 2000-11-27 Bernd Schmidt <bernds@redhat.co.uk>
672 * haifa-sched.c (print_pattern): Prettier output for COND_EXEC.
674 * reload1.c (reload_cse_simplify_set): Pass down mode to cselib_lookup.
675 (reload_cse_simplify_operands): Do nothing about operands where both
676 the operand and the match_operand fail to give us a mode.
677 * simplify-rtx.c (wrap_constant): New function.
678 (entry_and_rtx_equal_p): Except integer constants to come wrapped in a
679 CONST describing the proper mode.
680 (rtx_equal_for_cselib_p): Pass down modes to recursive calls of
682 (cselib_lookup_mem): Call wrap_constant on the rtx that is passed to
683 htab_find_slot_with_hash.
684 (cselib_lookup): Likewise.
686 Based on a patch from Geoff Keating <geoffk@redhat.com>:
687 * loop.c (basic_induction_var): If a REG is set from something
688 that is not a biv, then the REG is not a biv. Even if it is
689 earlier set from something that is a biv.
691 2000-11-27 Alexandre Oliva <aoliva@redhat.com>
693 * configure.in (extra_objs): Enclose extra_headers in quotes.
694 * configure: Rebuilt.
696 2000-11-27 Neil Booth <neilb@earthling.net>
698 * c-lex.c (cb_enter_file, cb_leave_file, cb_rename_file):
699 Combine into the new function cb_change_file.
700 (init_c_lex): Update.
701 * cppfiles.c (stack_include_file): Use _cpp_do_file_change.
702 (cpp_syshdr_flags): Delete.
703 * cpphash.h (_cpp_do_file_change): New prototype.
704 Move struct cpp_buffer here from...
705 * cpplib.h (struct cpp_buffer): ... here.
706 (enum cpp_fc_reason, struct cpp_file_loc,
707 struct_cpp_file_change, change_file): New.
708 (enter_file, leave_file, rename_file, cpp_syshdr_flags): Delete.
709 * cpplib.c (do_line): Update for new cb_change_file callback.
710 (_cpp_do_file_change): New function.
711 (_cpp_pop_buffer): Update to use it.
712 * cppmain.c (move_printer): Delete.
713 (main): Set up single callback cb_change_file.
714 (cb_enter_file, cb_leave_file, cb_rename_file): Delete.
715 (cb_change_file): New.
716 * fix-header.c (cur_file, cb_change_file): New.
717 (recognized_function, read_scan_file): Update.
718 * scan-decls.c (scan_decls): Update.
719 * scan.h (recognized_function): Update prototype.
721 2000-11-26 Mark Mitchell <mark@codesourcery.com>
723 * tree.h (mark_tree_hashtable): New function.
724 * tree.c (mark_tree_hashtable_entry): New function.
725 (mark_tree_hashtable): Likewise.
727 2000-11-27 Michael Meissner <meissner@redhat.com>
729 * d30v-protos.h (srelational_si_operator): Correctly spell
731 (urelational_si_operator): Ditto.
732 (relational_si_operator): Ditto.
733 (d30v_expand_prologue): Add prototype.
734 (d30v_expand_epilogue): Ditto.
736 * d30v.h (OPTIMIZATION_OPTIONS): Undo November 22nd change.
738 * d30v.md (movcccc_*): Delete now unused patterns.
739 (64 bit comparison splitters): Rewrite to use COND_EXEC instead of
741 (define_cond_exec): Use 'b' to select branch flags.
743 2000-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
745 * builtins.c (expand_builtin_strncmp, expand_builtin_strncpy): New
747 (expand_builtin): Handle BUILT_IN_STRNCPY and BUILT_IN_STRNCMP.
749 * builtins.def (BUILT_IN_STRNCPY, BUILT_IN_STRNCMP): New entries.
751 * c-common.c (c_common_nodes_and_builtins): Declare builtin
754 * extend.texi (strncmp, strncpy): Document new builtins.
756 2000-11-26 Mark Mitchell <mark@codesourcery.com>
758 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Use a hash table, not
759 a list, to keep track of the sections.
760 * tm.texi (ASM_OUTPUT_SECTION_NAME): Document the fact that the
761 parameter provided will always be a canonical string.
763 2000-11-26 Neil Booth <neilb@earthling.net>
765 * cppmacro.c (cpp_scan_buffer_nooutput): Only scan the
768 2000-11-26 Joseph S. Myers <jsm28@cam.ac.uk>
770 * makefile.vms: Remove EGCS references.
772 2000-11-26 Ulrich Drepper <drepper@redhat.com>
774 * dwarf2out.c (output_file_names): New function. Compute minimal
775 combination of directory and file name table and emit them.
776 (output_line_info): Remove code to emit directory and file name
777 table and call output_file_names instead.
778 (file_info_cmp): Helper function to sort directory names.
780 2000-11-26 Neil Booth <neilb@earthling.net>
782 * cpplib.h (struct cpp_reader): Remove lang_asm.
783 (struct cpp_options): Remove c89. New members lang,
785 * cppexp.c (parse_number): Use them.
786 * cpphash.h (VALID_SIGN): Use them.
787 * cppinit.c (set_lang, cpp_start_read): Update.
788 * cpplex.c (parse_string, _cpp_lex_token): Update.
789 * cpplib.c (_cpp_handle_directive): Update.
790 * cppmacro.c (parse_args): Update.
791 * cppmain.c (scan_buffer): Update.
793 Sun Nov 26 10:02:37 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
795 * fold-const.c (fold, case CONVERT_EXPR): Always return tree of
798 2000-11-26 Neil Booth <neilb@earthling.net>
800 * Makefile.in: Remove MAYBE_CPPLIB and maybe_cpplib.
801 * c-decl.c: Remove parse_in declaration.
802 * c-lang.c: Similarly.
803 * c-lex.c: Similarly.
804 * c-parse.in: Similarly.
805 * c-pragma.c: Similarly.
806 * configure.in: Similarly.
807 * cp/Make-lang.in: Similarly.
808 * cp/spew.c: Similarly.
809 * cp/decl2.c: Remove check for lang-c++ option.
810 * cp/lang-specs.h: Remove -lang-c++ from cc1plus command line.
811 * cp/lex.c (lang_init_options): With cpp_reader_init, default to C++.
812 * c-lex.h: Add declaration of parse_in.
813 * cppinit.c: Call set_lang after allocating pfile->pending.
814 * configure: Regenerate.
816 2000-11-25 Zack Weinberg <zack@wolery.stanford.edu>
818 * combine.c (try_combine): Remove redundant test.
820 2000-11-25 Richard Henderson <rth@redhat.com>
822 * c-common.h (DECL_C_HARD_REGISTER): New.
823 * c-decl.c (finish_decl): Set it for asm register variables.
824 * c-semantics.c (emit_local_var): Test it when instantiating one.
826 2000-11-25 Richard Henderson <rth@redhat.com>
828 * c-decl.c (c_expand_body): Use DECL_SOURCE_LINE rather than
829 lineno for the start of the function.
831 2000-11-25 Richard Henderson <rth@redhat.com>
833 * dwarf2out.c (file_table, file_table_allocated): Remove.
834 (file_table_allocated): Remove.
835 (struct file_table): New.
836 (decl_file_table, line_file_table): New.
837 (print_dwarf_line_table): Use them.
838 (size_of_line_prolog): Likewise.
839 (output_line_info): Likewise.
840 (add_src_coords_attributes): Likewise.
841 (gen_subprogram_die): Likewise.
842 (gen_variable_die): Likewise.
843 (dwarf2out_add_library_unit_info): Likewise.
844 (dwarf2out_line): Likewise.
845 (lookup_filename): Take a struct file_table argument.
846 (init_file_table): New.
847 (dwarf2out_init): Use it.
849 2000-11-25 Joseph S. Myers <jsm28@cam.ac.uk>
851 * invoke.texi: Update sequence points references.
853 2000-11-25 Neil Booth <neilb@earthling.net>
855 * c-common.c: Remove USE_CPPLIB conditional inclusions.
856 * c-common.h: Similarly.
857 * c-decl.c: Similarly.
858 * c-lang.c: Similarly.
859 * c-lex.c: Similarly.
860 * c-parse.in: Similarly.
861 * c-pragma.c: Similarly.
862 * c-pragma.h: Similarly.
864 * toplev.c: Similarly.
865 * cp/cp-tree.h: Similarly.
866 * cp/decl2.c: Similarly.
867 * cp/lang-specs.h: Similarly.
868 * cp/lex.c: Similarly.
869 * cp/lex.h: Similarly.
870 * cp/spew.c: Similarly.
871 * java/lang-options.h: Similarly.
872 * objc/lang-specs.h: Similarly.
873 * objc/objc-act.c: Similarly.
875 * configure.in: Remove configure option.
876 * config.in: Regenerate.
877 * configure: Regenerate.
879 2000-11-25 Richard Henderson <rth@redhat.com>
881 * haifa-sched.c (sched_analyze_1, sched_analyze_2, sched_analyze):
882 Revert 2000-11-22 change.
884 2000-11-25 Bernd Schmidt <bernds@redhat.co.uk>
886 * config/i386/i386.h (FIXED_REGS): Make the three flags registers
889 2000-11-25 Philipp Thomas <pthomas@suse.de>
890 * configure.in (ALL_LINGUAS): Remove en_GB and add sv.
891 * configure: Rebuilt.
893 2000-11-25 Jakub Jelinek <jakub@redhat.com>
895 * config/sparc/sparc.md (muldi3_v8plus): Remove H constraint.
896 Handle CONST_INT as second argument.
897 * config/sparc/sparc.c (set_extends): Remove first argument.
898 Properly handle AND, CONST_INT and CONST_DOUBLE, handle IOR, XOR and
900 (sparc_check_64): Abort if first argument is not REG.
901 If it is DImode REG, look at the lower register of the register
904 * config/sparc/sparc.c (load_pic_register, restore_regs,
905 output_return, sparc_v8plus_shift, sparc_function_profiler,
906 sparc_function_block_profiler, sparc_block_profiler): Fix output
909 2000-11-25 Alexandre Oliva <aoliva@redhat.com>
911 * config/sh/sh.h (TARGET_NONE): New.
912 (TARGET_SWITCHES): For all variant-selecting switch, use
913 TARGET_NONE to reset all other variant-selecting switch. Added
914 empty strings to avoid warnings.
915 (TARGET_DEFAULT): Set to SH1_BIT.
917 * Makefile.in ($(INTL_TARGETS)): Added $(CONFIG_H) for
920 * gcc/config/sh/sh.md (sibcalli, sibcalli_pcrel): New insns.
921 (sibcall_pcrel): New insn_and_split.
922 (sibcall, sibcall_value, sibcall_epilogue): New expands.
924 * config/sh/sh.md (GOTaddr2picreg, symGOT2reg, symGOTOFF2reg,
925 symPLT_label2reg, call, call_value): Don't set
926 current_function_uses_pic_offset_table.
927 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Don't mark
928 PIC_OFFSET_TABLE_REGNUM as call_used, so that calc_live_regs
929 takes it into account.
930 (FINALIZE_PIC): Delete, useless.
931 (LEGITIMATE_CONSTANT_P): Delete, unused.
932 * config/sh/sh.c (sh_expand_prologue): Don't use
933 current_function_uses_pic_offset_table. Don't special-case
934 PIC_OFFSET_TABLE_REGNUM. Initialize it if it's ever live and
936 (sh_expand_epilogue, initial_elimination_offset): Don't
937 special case PIC_OFFSET_TABLE_REGNUM.
939 2000-11-25 Alexandre Oliva <aoliva@redhat.com>, NIIBE Yutaka <gniibe@m17n.org>
941 * config/sh/sh-protos.h (symbol_ref_operand): Declare.
942 * config/sh/sh.md (UNSPEC_CALLER): New constant.
943 (calli_pcrel, call_valuei_pcrel): Use PIC_REG.
944 (call_pcrel, call_value_pcrel): New insn_and_splits.
945 (call, call_value): Use them.
946 (call_site): New expand.
947 (sym_label2reg, symPLT_label2reg): Adjust to hold call_sites.
948 * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA) [UNSPEC_CALLER]:
949 Output call_site label.
950 (PREDICATE_CODES): Added symbol_ref_operand.
951 * config/sh/sh.c (symbol_ref_operand): Define.
952 * emit-rtl.c (try_split): Propagate CALL_INSN_FUNCTION_USAGE
953 to CALL_INSNs in the split sequence.
955 2000-11-24 Nick Clifton <nickc@redhat.com>
957 * config.gcc (v850-*-*): Define c_target_objs and
960 * config/v850/t-v850: Define how to build v850-c.o
962 * config/v850/v850.h (struct data_area_stack_element): Move
963 definition here from v850.c.
965 * config/v850v850.c: Include gcc.h to avoid compile time
967 (push_data_area): Move to v850-c.c.
968 (pop_data_area): Move to v850-c.c.
969 (mark_current_function_as_interrupt): Move to v850-c.c.
970 (GHS_default_section_names): Allow to be exported.
971 (GHS_current_section_names): Allow to be exported.
972 (data_area_stack_elements): Allow to be exported.
973 (ghs_pragma_section): Move to v850-c.c.
974 (ghs_pragma_interrupt): Move to v850-c.c.
975 (ghs_pragma_starttda): Move to v850-c.c.
976 (ghs_pragma_startsda): Move to v850-c.c.
977 (ghs_pragma_startzda): Move to v850-c.c.
978 (ghs_pragma_endtda): Move to v850-c.c.
979 (ghs_pragma_endsda): Move to v850-c.c.
980 (ghs_pragma_endzda): Move to v850-c.c.
982 * config/v850/v850-c.c: New file: Contains v850 specific
983 pragma parsing functions.
985 2000-11-24 Nick Clifton <nickc@redhat.com>
987 * config.gcc (extra_objs): Remove duplicate description.
988 (c_target_objs): New variable. Contains target specific
989 object files for the gcc C compiler only.
990 (cxx_target_objs): New variable. Contains target specific
991 object files for the gxx C++ compiler only.
993 * configure.in (c_target_objs): Substitute in the makefile.
994 (cxx_target_objs): Substitute in the makefile.
995 * configure: Regenerate.
997 * Makefile.in (C_TARGET_OBJS): Define and initialise from
999 (CXX_TARGET_OBJS): Define and initialise from
1001 (C_AND_OBJC_OBJS): Include C_TARGET_OBJS.
1003 * cp/Make-lang.in (CXX_C_OBJS): Include CXX_TARGET_OBJS).
1005 * tm.texi (REGISTER_TARGET_PRAGMAS): Add paragraph explaining
1006 about how the use of the 'c_lex' function requires the use of
1007 the target specific, language specific object files feature of
1008 the configuration mechanism.
1010 Fri Nov 24 18:50:58 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1012 * gcc.c (process_command): Use F_OK, not R_OK.
1014 2000-11-24 Arno J. Klaassen <arno@heho.snv.jussieu.fr>
1016 * flow.c (print_rtl_and_abort): Remove ANSIism.
1018 Fri Nov 24 19:54:36 2000 Alexandre Oliva <aoliva@redhat.com>
1020 * config/sh/sh.h (GENERAL_REGISTER_P,
1021 GENERAL_OR_AP_REGISTER_P, FP_REGISTER_P, XD_REGISTER_P,
1022 FP_OR_XD_REGISTER_P, FP_ANY_REGISTER_P): New macros. Use them
1024 (SPECIAL_REG): Renamed to SPECIAL_REGISTER_P.
1025 * config/sh/sh.c: Use new macros.
1026 * config/sh/sh.md: Likewise.
1028 Fri Nov 24 19:46:16 2000 Alexandre Oliva <aoliva@redhat.com>
1030 * config/sh/sh.md: Clobber MACH_REG and MACL_REG in SImode,
1031 instead of just MACH_REG in DImode. Always refer to FPSCR_REG
1034 Fri Nov 24 22:37:41 2000 Denis Chertykov <denisc@overta.ru>
1036 * config/avr/avr.c (out_tsthi,out_tstsi): Test simplification bug
1038 (machine_dependent_reorg): Wrong optimization based on
1039 NOTICE_UPDATE_CC removed.
1041 Fri Nov 24 19:48:09 2000 J"orn Rennecke <amylaar@redhat.com>
1043 * jump.c (delete_computation): Re-instate deletion of feeding insn.
1044 (delete_insn): Look for REG_LABEL notes.
1045 (redirect_tablejump): Delete feeding insns.
1047 2000-11-24 Bernd Schmidt <bernds@redhat.co.uk>
1049 * config/i386/i386.md (call_pop_0, call_pop_1, call_value_pop_0,
1050 call_value_pop_1): Make sure operand numbers are contiguous.
1052 * fold-const.c (fold_range_test): Avoid crash if LHS or RHS is null.
1054 * reload1.c (conflicts_with_override): New function.
1055 (emit_input_reload_insns): Use it to tighten test for validity
1056 of substituting into output of previous insn.
1058 * haifa-sched.c (struct ready_list): New.
1059 (ready_lastpos, ready_add, ready_remove_first, ready_sort): New static
1061 (schedule_insn): Replace args READY and N_READY with a pointer to a
1062 ready_list; return void. Use the new functions to access the ready
1063 list. All callers changed.
1064 (queue_to_ready, debug_ready_list): Likewise.
1065 (schedule_block): Initialize a ready_list structure. Use new
1066 functions to access it.
1067 (max_priority): Remove unused variable.
1068 (schedule_insn): Don't set it.
1070 * c-common.c (verify_tree): Don't recurse into CONSTRUCTORs.
1072 * combine.c (cant_combine_insn_p): New function.
1073 (try_combine): Use it.
1075 * Makefile.in (c-common.o): Depend on $(OBSTACK_H).
1076 * c-common.c (c-obstack.c): Include "obstack.h".
1077 (struct reverse_tree): Delete.
1078 (reverse_list, reverse_max_depth): Delete.
1079 (build_reverse_tree, common_ancestor, modify_ok): Delete functions.
1080 (struct tlist, struct tlist_cache): New.
1081 (tlist_obstack, tlist_firstobj, warned_ids, save_expr_cache): New.
1082 (add_tlist, merge_tlist, verify_tree, warning_candidate_p,
1083 warn_for_collisions, warn_for_collisions_1, new_tlist): New
1085 (verify_sequence_points): Rewritten.
1086 * fold-const.c (fold): Don't lose possibly important sequence
1087 points when removing one arm of TRUTH_ORIF_EXPRs or TRUTH_ANDIF_EXPRs.
1089 2000-11-24 Richard Sandiford <rsandifo@redhat.com>
1091 * gcc/cse.c (cse_insn): Removed conversion of REG_EQUIV to REG_EQUAL
1092 when reversing a register-to-register copy. Reversal now disabled
1093 when the previous instruction has a REG_EQUIV.
1095 2000-11-24 Nathan Sidwell <nathan@codesourcery.com>
1097 * c-parse.in (unary_expr): Move VA_ARG from here ...
1098 (primary): ... to here.
1100 2000-11-23 Graham Stott <grahams@redhat.com>
1102 * expr.c (store_constructor): If a field is non addressable and
1103 the target is a MEM use MEM_ALIAS_SET otherwise use get_alias_set.
1105 2000-11-23 Bernd Schmidt <bernds@redhat.co.uk>
1107 * flow.c (print_rtl_and_abort): New function.
1108 (verify_wide_reg, verify_local_live_at_start): Try to dump more
1109 information before aborting.
1111 2000-11-23 Alexandre Oliva <aoliva@redhat.com>
1113 * emit-rtl.c (gen_lowpart_common): Use word 0 if register mode
1114 is narrower than requested mode.
1115 (gen_highpart): Abort if register mode is narrower than
1118 2000-11-23 Graham Stott <grahams@redhat.com>
1120 * cse.c (cse_insn): Initialise all regcost variables.
1121 Fix a typo add missing '='.
1122 Only compare costs if there is a replacement insn.
1124 Thu Nov 23 04:33:33 2000 Alexandre Oliva <aoliva@redhat.com>
1126 * final.c (output_addr_const) [LABEL_REF]: Simplify.
1127 [MINUS]: Enclose non-CONST_INTs in parentheses.
1128 [default]: Try OUTPUT_ADDR_CONST_EXTRA.
1129 * tm.texi (OUTPUT_ADDR_CONST_EXTRA): Document it.
1130 * varasm.c (decode_rtx_const) [CONST]: If it's not something
1131 PLUS or MINUS a CONST_INT, use the whole CONST with offset 0
1132 instead of abort()ing.
1133 * sh.c (output_pic_addr_const): Removed. Fixed all callers.
1134 * sh.h (OUTPUT_ADDR_CONST_EXTRA): New. Handle the UNSPECs
1135 formerly handled in output_pic_addr_const.
1136 * sh.md (sym_label2reg, symPLT_label2reg): Enclose UNSPEC
1137 operands of MINUS in CONSTs so that decode_rtx_const() will
1140 Thu Nov 23 04:10:30 2000 Alexandre Oliva <aoliva@redhat.com>
1142 * config/sh/sh.md (mova_const): New pattern.
1143 (GOTaddr2picreg): Use it.
1144 * config/sh/sh.c (broken_move): Match it.
1145 (mova_p): Don't match it.
1146 (machine_dependent_reorg): Adjust it.
1148 Thu Nov 23 02:09:09 2000 Alexandre Oliva <aoliva@redhat.com>
1150 * config/sh/sh.h (FIRST_GENERAL_REG, LAST_GENERAL_REG): New.
1151 Moved most register-number #defines...
1152 * config/sh/sh.md (define_constants): ... here. Use macros to
1153 refer to registers and unspecs.
1154 * config/sh/sh.c: Likewise.
1156 Thu Nov 23 01:01:32 2000 J"orn Rennecke <amylaar@redhat.com>
1158 * Makefile.in (HOST_CFLAGS): Add -DGENERATOR_FILE.
1159 (rtl.o, print-rtl.o, bitmap.o, obstack.o): Build with -DGENERATOR_FILE.
1160 (alloca.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
1161 (splay-tree.o, hash.o): Likewise.
1163 (rtl.o, print-rtl.o): Depend on $(GCONFIG_H) instead of $(CONFIG_H).
1164 (bitmap.o, obstack.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
1165 (hashtab.o): Likewise.
1166 (gcov.o): Depend on $(CONFIG_H).
1167 * configure.in: #include insn-codes.h in tm.h.
1169 2000-11-22 Nick Clifton <nickc@redhat.com>
1171 * config/arm/arm.c (arm_encode_call_attribute): Make 'newstr' a
1172 const char * to avoid a compile time warning.
1174 * config/arm/arm.md (define_constants): Define symbolic names for
1175 the link register, last integer register and the fake CC register.
1176 Update patterns to use these symbolic names.
1178 2000-11-22 Neil Booth <neilb@earthling.net>
1180 * cpplex.c (trigraph_ok): Ensure we don't warn twice.
1181 * cpplib.h (struct cpp_buffer): New member last_Wtrigraphs.
1183 2000-11-22 Richard Henderson <rth@redhat.com>
1185 * haifa-sched.c (sched_analyze_1): Don't special-case calls
1186 for clobbering registers.
1187 (sched_analyze_2): Likewise.
1188 (sched_analyze): Zap reg_last_uses and reg_last_sets after calls.
1190 2000-11-22 Chris Demetriou <cgd@sibyte.com>
1191 Neil Booth <neilb@earthling.net>
1193 * gcc.c (validate_switches): Validate multiple switches named
1194 in '|' (or) expressions in specs.
1195 (handle_braces): If more than 1 alternative in a '|' spec
1196 matches, call do_spec1 just once.
1198 2000-11-22 Michael Meissner <meissner@redhat.com>
1200 * d30v.h (TARGET_SWITCHES): Add documentation strings.
1201 (TARGET_OPTIONS): Ditto.
1202 (OPTIMIZATION_OPTIONS): Temporarily turn off -frename-registers if
1205 Wed Nov 22 06:40:56 2000 Jeffrey A Law (law@cygnus.com)
1207 * pa.c (hppa_encode_label): Account for addition of encoding
1208 character when allocating persistent space for the new label
1211 2000-11-22 Zack Weinberg <zack@wolery.stanford.edu>
1213 * Makefile.in, config.gcc, configure.in: Expunge remaining
1214 traces of facility for running MD files through C preprocessor.
1216 2000-11-22 Joseph S. Myers <jsm28@cam.ac.uk>
1218 * gcov.texi: Add magic comments for texi2pod.pl.
1219 * Makefile.in: Add rules to generate and install gcov.1.
1220 * gcov.1: New (generated) file.
1222 2000-11-21 Richard Henderson <rth@redhat.com>
1224 * regrename.c (scan_rtx_reg): Terminate the chain rather than
1225 abort on mark_read with NO_REGS.
1227 2000-11-21 Mike Stump <mrs@wrs.com>
1229 * fixinc/fixtests.c (TEST_FOR_FIX_PROC_HEAD): Fix to allow
1230 compilation with older compilers, such as /bin/cc on SunOS.
1231 * fixinc/fixfixes.c (FIX_PROC_HEAD): Ditto.
1233 2000-11-21 Richard Henderson <rth@redhat.com>
1235 * varasm.c (record_constant): Pad the constructed
1236 constant_descriptor appropriately.
1238 Wed Nov 22 00:52:55 2000 J"orn Rennecke <amylaar@redhat.com>
1240 * rtl.h (traverse_md_constants): Declare.
1241 (struct md_constant): Define.
1242 * Makefile.in (HOST_RTL): Add hashtab.o .
1243 (OBJS): Add hashtab.o .
1244 (hashtab.o): New rule.
1245 (rtl.o): Depends on HASHTAB_H.
1246 * rtl.c (hashtab.h): #include.
1247 (md_constants): New static variable.
1248 (def_hash, def_name_eq_p, read_constants): New static functions.
1249 (traverse_md_constants): New function.
1250 (read_name): Do constant expansion.
1251 (read_rtx): Recognize define_constants.
1252 * gencodes.c (print_md_constant): New function.
1253 (main): Emit #defines for all constant definitions encountered.
1254 * md.texi (Constant Definitions): New node.
1255 * gensupport.c (xcalloc): New function.
1257 2000-11-21 Richard Henderson <rth@redhat.com>
1259 * config/alpha/alpha.c (alpha_split_tfmode_frobsign): New.
1260 * config/alpha/alpha-protos.h: Declare it.
1261 * config/alpha/alpha.md (abstf_internal): Use it.
1262 (negtf_internal): Likewise.
1263 (andnotdi3): Unstar the name.
1264 (movtf_internal): Add o/G alternative.
1266 2000-11-21 Zack Weinberg <zack@wolery.stanford.edu>
1268 * stringpool.c (stringpool_statistics): Also report number and
1269 percentage of entries which are identifiers.
1271 2000-11-21 Diego Novillo <dnovillo@redhat.com>
1273 * gcse.c (hoist_expr_reaches_here_p): Do not mark expr_bb as
1274 visited before visiting it.
1276 2000-11-21 Nick Clifton <nickc@redhat.com>
1278 * config/arm/arm.h: Accept TARGET_CPU_arm9tdmi,
1279 TARGET_CPU_strongarm110 and TARGET_SPU_strongarm1100.
1281 * config.gcc: Accept --with-cpu=arm9 and --with-cpu=arm9tdmi.
1283 2000-11-21 Richard Henderson <rth@redhat.com>
1285 * c-common.c (c_unsafe_for_reeval): New function.
1286 (add_c_tree_codes): Register it.
1287 * c-common.h: Declare it.
1288 * tree.c (lang_unsafe_for_reeval): New hook.
1289 (unsafe_for_reeval): Call it.
1290 * tree.h: Declare it.
1292 2000-11-21 Richard Henderson <rth@redhat.com>
1294 * config/i386/i386.c (i386_simplify_dwarf_addr): Simplify @GOT
1297 2000-11-21 Neil Booth <neilb@earthling.net>
1299 * do_includes: Revert to using cpp_read_file.
1301 2000-11-21 Bernd Schmidt <bernds@redhat.co.uk>
1303 * loop.c (consec_sets_giv): If the reg we're examining is anything
1304 but UNKNOWN_INDUCT, do nothing.
1305 Reset the reg's type to UNKNOWN_INDUCT before returning.
1307 Mostly from Vladimir Makarov (vmakarov@redhat.com)
1308 * ia64.md (attr itanium_class): Define insn types as described in
1310 (all insn patterns): Use itanium_class, not type attributes.
1311 Occasionally split alternatives as necessary.
1312 (attr type): Compute from new attr itanium_class.
1314 2000-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1316 * tradcpp.c (output_line_command): Mark system headers as such in
1319 2000-11-21 Jakub Jelinek <jakub@redhat.com>
1321 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Sparc has .file/.loc
1322 support in as as well.
1323 * configure: Regenerate.
1325 2000-11-20 Richard Henderson <rth@redhat.com>
1327 * c-lex.c (orig_filename): New variable.
1328 (init_c_lex): Set it. Move call to cpp_start_read ...
1329 (yyparse): ... here. New function.
1330 * c-parse.in (yyparse_1): Rename the parser entry point.
1331 * c-tree.h: Declare it.
1333 2000-11-21 Jakub Jelinek <jakub@redhat.com>
1335 * expr.c (do_compare_and_jump): If op0 was replaced by promoted
1336 integer constant, use type of op1 for comparison.
1338 2000-11-20 Stan Shebs <shebs@apple.com>
1340 * config/rs6000/xm-darwin.h: New file, Darwin host definitions.
1341 * config/rs6000/x-darwin: New file, Darwin host fragment.
1342 * config.gcc (powerpc-*-darwin*): New host.
1343 * system.h (HAVE_DESIGNATED_INITIALIZERS): Allow this to be
1344 overridden by a config file.
1346 2000-11-20 Neil Booth <neilb@earthling.net>
1348 * cppmacro.c (paste_tokens): Rename from paste_payloads.
1349 Change token type after pasting spellings.
1350 (paste_all_tokens): Use it.
1351 * gcc.dg/cpp/paste2.c: Update test.
1352 * objc/execute/paste.m: New test.
1354 2000-11-20 Richard Henderson <rth@redhat.com>
1356 * dwarf.h (FMT_CODE): Adjust argument order; fix mapping to
1357 dwarf_subscr_data_formats bits.
1358 * dwarfout.c (simple_type_size_in_bits): Handle a type with
1359 no computed size as size zero.
1360 (field_byte_offset): Likewise.
1361 (subscript_data_attribute): Handle a range with no upper bound.
1363 2000-11-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1365 * gansidecl.h (const): Check __STDC__ before undef'ing `const'.
1367 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
1369 * c-typeck.c (build_conditional_expr): When merging type
1370 qualifiers for conditional expressions between a pointer and a
1371 pointer to a void type, merge the qualifiers on the target types
1372 rather than the pointer type. Remove obsolete conditioned out
1375 2000-11-20 Neil Booth <neilb@earthling.net>
1377 * c-lang.c (lang_init_options): Update call to
1379 * cppmain.c (main): Similarly.
1380 * fix-header.c (read_scan_file): Similarly.
1381 * cp/lex.c (lang_init_options): Similarly.
1382 * objc/objc-act.c (lang_init_options): Similarly.
1383 * cppexp.c (parse_number): Only warn for unextended C89.
1384 * cppinit.c (set_lang): New function.
1385 (cpp_reader_init): Take a LANG argument and pass it to set_lang.
1386 (COMMAND_LINE_OPTIONS): New option std=c++98.
1387 (cpp_handle_option): Use set_lang.
1388 * cpplex.c (_cpp_lex_token): Warn pedantically if not C99.
1389 * cppib.h (enum_c_lang): New enumeration. Update comments.
1391 2000-11-20 Will Cohen <wcohen@redhat.com>
1393 * calls.c (expand_call): Clear target only when target is in
1394 hard register and current_function_check_memory_usage is set.
1396 2000-11-20 Bernd Schmidt <bernds@redhat.co.uk>
1398 * toplev.c (rest_of_compilation): Run optimize_mode_switching even
1400 * sh.c (emit_sf_insn, emit_df_insn): Just call emit_insn.
1402 2000-11-19 Richard Henderson <rth@redhat.com>
1404 * crtstuff.c (force_to_data): Use array size 1 not 0.
1406 * dwarf2out.c (simple_type_size_in_bits): Handle a type with
1407 no computed size as size zero.
1408 (field_byte_offset): Likewise.
1410 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
1412 * config.gcc: Fix another typo.
1414 2000-11-19 Richard Henderson <rth@redhat.com>
1416 * c-decl.c (grokdeclarator): Support flexible array members.
1417 Use open-ended ranges for these and zero-length arrays.
1418 * c-typeck.c (push_init_level): Validate the context of
1419 initialization of a zero-length array.
1420 * tree.c (int_fits_type_p): Be prepared for missing bounds.
1421 * varasm.c (array_size_for_constructor): New.
1422 (output_constructor): Use it for arrays of unspecified length.
1423 * extend.texi (Zero Length): Mention C99 flexible array members.
1424 Document initialization in a top-level struct as valid.
1426 2000-11-19 Joseph S. Myers <jsm28@cam.ac.uk>
1428 * config.gcc, invoke.texi: Fix errors in spelling of "deprecated".
1430 * alias.c (mems_in_disjoint_alias_sets_p): Do use alias sets in
1431 stdarg and varargs functions.
1433 2000-11-19 Zack Weinberg <zack@wolery.stanford.edu>
1435 * gcc.c (process_command): Define 'j' variable when
1436 MODIFY_TARGET_NAME is defined.
1438 2000-11-19 Richard Henderson <rth@redhat.com>
1440 * stor-layout.c (variable_size): Only put SAVE_EXPRs on pending_sizes.
1442 2000-11-19 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1444 * rs6000/rs6000.c (rs6000_encode_section_info): Fix string length
1445 calculation and allocation.
1447 2000-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1449 * builtins.c (c_getstr): Constify variable.
1450 * gmon-sol2.c (_mcleanup): Comment out #endif labels.
1451 * conflict.c (const_conflict_graph_arc): New typedef.
1452 (arc_hash, arc_eq): Avoid needlessly casting away const-ness.
1453 * cppmacro.c (builtin_macro): Likewise.
1454 * dwarf2out.c (output_comp_unit): Constify variable.
1455 * fix-header.c (v_fatal): Add ATTRIBUTE_PRINTF.
1456 * protoize.c (IS_SAME_PATH_CHAR): Use TOUPPER, not toupper.
1457 * ssa.c (ssa_rename_from_hash_function): Avoid needlessly casting
1459 * tradcpp.c (rescan, do_line, macroexpand, macarg): Use
1460 ISALNUM/ISDIGIT/ISPRINT, not isalnum/isdigit/isprint.
1461 * varasm.c (const_str_htab_hash, const_str_htab_eq,
1462 compare_constant_1, record_constant_1): Constify.
1464 2000-11-18 Richard Henderson <rth@redhat.com>
1466 * c-decl.c (grokdeclarator): Special case the creation of an
1467 index for a zero-length array.
1468 * tree.c (build_index_type): Revert Oct 20 change.
1470 2000-11-18 Marek Michalkiewicz <marekm@linux.org.pl>
1472 * config/avr/avr-protos.h (avr_output_addr_vec_elt): Prototype.
1473 * config/avr/avr.c (jump_tables_size): New variable.
1474 (function_prologue): Initialize it as 0.
1475 (function_epilogue): Add it to function_size.
1476 (avr_output_addr_vec_elt): New function. Count words in jump
1477 tables in jump_tables_size. Move code ...
1478 * config/avr/avr.h (ASM_OUTPUT_ADDR_VEC_ELT): ... from here.
1479 Call avr_output_addr_vec_elt instead.
1480 * config/avr/avr.md (tablejump): Remove disabled define_expand.
1482 2000-11-18 Mark Mitchell <mark@codesourcery.com>
1484 * configure.in: Make --enable-new-gxx-abi the default.
1485 * configure: Likewise.
1487 2000-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1489 * Makefile.in (tradcpp.o, tradcif.o): Depend on tradcpp.h.
1491 * tradcif.y: Include tradcpp.h. Constify. Make functions static.
1492 Move extern function declarations to tradcpp.h.
1494 * tradcpp.c: Likewise.
1496 * tradcpp.h: New file.
1498 2000-11-18 Joseph S. Myers <jsm28@cam.ac.uk>
1500 * c-decl.c (check_for_loop_decls): New function.
1501 * c-parse.in (for_init_stmt): New.
1502 (select_or_iter_stmt): Use for_init_stmt.
1503 * c-tree.h (check_for_loop_decls): New declaration.
1505 2000-11-18 Neil Booth <neilb@earthling.net>
1507 * cppinit.c: Update comments.
1508 (cpp_reader_init): Make -imacro and -include use the standard
1509 #include "" search path.
1510 (do_includes): New function.
1512 2000-11-18 Ben Elliston <bje@redhat.com>
1514 * config/sh/crt1.asm (start_l): Move PC-relative move instruction
1515 out of a branch delay slot.
1517 2000-11-17 Richard Henderson <rth@redhat.com>
1519 * config/alpha/elf.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
1520 (ASM_SPEC): Disable and enable .mdebug based on -gstabs.
1521 (ASM_FILE_START): Only write out ecoff .file directive if
1522 emitting mdebug debugging.
1524 2000-11-17 Richard Henderson <rth@redhat.com>
1526 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): New. Detect
1527 whether as accepts .file/.loc and produces dwarf2 line info.
1528 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Default on if
1529 the assembler supports it.
1530 * config.in, configure: Regenerate.
1532 2000-11-17 Richard Henderson <rth@redhat.com>
1534 * fixinc/mkfixinc.sh: Don't disable fixincludes for any linux*.
1536 2000-11-17 Jim Wilson <wilson@redhat.com>
1538 * config/ia64/ia64.c (emit_insn_group_barriers, case CALL_INSN):
1539 Don't clear need_barrier is next_insn is a CALL_INSN, or has
1540 instruction type B or UNKNOWN.
1542 2000-11-17 Neil Booth <neilb@earthling.net>
1544 * cpperror.c (print_file_and_line): Don't display line number if 0.
1546 2000-11-17 Zack Weinberg <zack@wolery.stanford.edu>
1548 * ggc.h: Delete ggc_add_string_root and ggc_mark_string. Add
1549 digit_vector and digit_string.
1550 * stringpool.c (digit_vector): New.
1551 (ggc_alloc_string): Use digit_string.
1553 * stmt.c (digit_strings): Delete.
1554 (init_stmt): Do not initialize digit_strings.
1555 (expand_asm_operands): Use ggc.h's digit_string macro.
1556 * toplev.c (mark_file_stack): Delete.
1557 (compile_file): Don't call init_tree_codes.
1558 (main): No need to make the file stack a GC root.
1559 * tree.c (init_tree_codes): Delete.
1560 * tree.h (init_tree_codes): Delete.
1562 * c-lex.c: Don't include ggc.h.
1563 (mark_splay_tree_node, mark_splay_tree): Delete.
1564 (init_c_lex): No need to ggc_strdup string constant. Don't add
1565 file_info_tree to GGC roots.
1566 (cb_enter_file, cb_rename_file): No need to ggc_strdup
1569 * Makefile.in (c-lex.o): No longer depends on $(GGC_H).
1571 * dbxout.c (dbxout_init),
1572 dwarf2out.c (dwarf2out_line),
1573 ggc-common.c (ggc_mark_rtx_children, ggc_mark_trees),
1574 varasm.c (mark_const_hash_entry, mark_pool_constant, init_varasm_once),
1575 xcoffout.c (xcoffout_source_file),
1576 i386.c (load_pic_register):
1577 Delete call(s) to ggc_add_string_root and/or ggc_mark_string.
1579 * except.c (create_rethrow_ref),
1580 profile.c (init_edge_profiler),
1581 toplev.c (compile_file),
1582 varasm.c (named_section, assemble_static_space,
1583 assemble_trampoline_template, output_constant_def, force_const_mem),
1584 i386.c (load_pic_register),
1585 ia64.c (ia64_encode_section_info),
1586 rs6000.c (rs6000_emit_load_toc_table, create_TOC_reference,
1587 rs6000_emit_prologue, rs6000_emit_epilogue),
1588 rs6000.md (load_toc_aix_si, load_toc_aix_di):
1589 Change ggc_alloc_string (var, -1) to ggc_strdup (var).
1591 * profile.c (output_func_start_profiler),
1593 i386.c (load_pic_register): No need to ggc_strdup string constant.
1595 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
1597 * Makefile.in (config.status): Depend on config.gcc.
1598 * configure.in <for machine in $build $host $target>: Move
1599 contents of loop into config.gcc, removing autoconf quoting.
1600 Fix changequote bug for alpha*-*-vxworks*.
1601 * configure: Regenerate.
1604 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
1606 * c-parse.in (if_prefix): Find the filename and line number at
1607 $-2 and $-1 respectively.
1608 * diagnostic.c (error_recursion): Add missing newline, use
1609 fputs, translate string.
1611 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
1613 * stringpool.c: New file.
1614 * ggc-common.c (ggc_mark_string_ptr, ggc_add_string_root): Delete.
1615 (ggc_alloc_string): Now in stringpool.o.
1616 * ggc-page.c, ggc-simple.c: Do not define or allocate empty_string.
1617 * ggc.h: Delete prototype of ggc_add_string_root. #define
1618 ggc_add_string_root and ggc_mark_string to nothing. Prototype
1619 init_stringpool and stringpool_statistics.
1620 (ggc_alloc_string): Returns a const char *.
1621 * tree.c (hash_table, do_identifier_warnings): Delete.
1622 (init_obstacks): Don't initialize the identifier hash table.
1623 (get_identifier, maybe_get_identifier, start_identifier_warnings,
1624 set_identifier_size): Now in stringpool.c.
1625 * tree.h (struct tree_string): Constify pointer field.
1626 (approx_sqrt): Prototype.
1628 * Makefile.in (stringpool.o): Add rule, mention in OBJS.
1630 * toplev.c (approx_sqrt): New function.
1631 (compile_file): Call stringpool_statistics if mem_report is on.
1632 (main): Call init_stringpool.
1634 * builtins.c (c_strlen), c-decl.c (finish_decl), c-lex.c
1635 (process_directive), c-typeck.c (constructor_asmspec, struct
1636 initializer_stack, start_init), except.c (create_rethrow_ref),
1637 stmt.c (digit_strings), toplev.c (decode_f_option), tree.c
1638 (built_in_filename), varasm,c (in_named_name,
1639 assemble_static_space, struct constant_descriptor, struct
1640 deferred_string, struct pool_constant, force_const_mem),
1641 i386.c (pic_label_name, global_offset_table_name), rs6000.c
1642 (rs6000_emit_prologue, rs6000_emit_epilogue) : Constify a char *.
1644 * c-common.c (combine_strings): Combine strings in scratch
1645 buffer, then pass to build_string.
1646 * optabs.c (init_libfuncs), profile.c (init_edge_profiler,
1647 output_func_start_profiler), stmt.c (init_stmt), alpha.c
1648 (alpha_need_linkage), arm.c (arm_encode_call_attribute),
1649 i386.c (load_pic_register), ia64.c (ia64_encode_section_info),
1650 rs6000.c (rs6000_encode_section_info): Create string in
1651 scratch buffer, then pass to ggc_alloc_string.
1653 * stmt.c (expand_asm_operands): If we must adjust the
1654 constraint strings, do so by creating a new one, not by
1655 modifying the old one in place. Constify some char *s.
1656 * config/pa/pa.c (hppa_encode_label): Drop unnecessary second
1657 argument. Create string in scratch buffer, then pass to
1659 * config/pa/pa-protos.h: Update prototype.
1660 * config/pa/elf.h, config/pa/pa.h, config/pa/som.h:
1661 hppa_encode_label takes only one argument.
1663 2000-11-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1665 * mcore.c (mcore_expand_prolog): Call xmalloc/xrealloc, not
1668 * cpplib.c (glue_header_name): Likewise.
1670 * fixincl.c (run_compiles, start_fixer): Likewise.
1672 * fixlib.c (load_file_data): Likewise.
1674 * mkdeps.c (munge): Likewise.
1676 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
1678 * defaults.h [EH_FRAME_SECTION_ASM_OP] (EH_FRAME_SECTION): Remove
1679 trailing ';'. Fix formatting.
1681 2000-11-16 Jim Wilson <wilson@redhat.com>
1683 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT, MASK_INLINE_DIV_THR):
1684 Shift masks left by one to avoid conflict.
1686 * config/ia64/ia64.c (ia64_encode_section_info): Disallow decls with
1689 2000-11-16 Nick Clifton <nickc@redhat.com>
1691 * config/arm/arm.c (output_arm_prologue): Note nested functions.
1692 (arm_expand_prologue): For nested functions preserve the
1693 static chain register during stack frame creation.
1695 * config/arm/arm.h (STATIC_CHAIN_REGNUM): Change to 12.
1696 (ARM_INITIAL_FRAME_ELIMINATION_OFFSET): For a nested function
1697 with a stack frame there is a 4 byte gap between the arg
1698 pointer and the hard frame pointer (used to preserve the
1699 static chain register during stack frame creation).
1701 2000-11-16 DJ Delorie <dj@redhat.com>
1703 * rtl.c (read_rtx): Provide suitable names for unnamed
1704 define_insn and define_insn_and_split patterns, based on file
1707 2000-11-15 Neil Booth <neilb@earthling.net>
1709 * cpplib.c (start_directive, end_directive): New functions.
1710 (_cpp_handle_directive, run_directive): Use them.
1711 (_cpp_handle_directive): Don't -Wtraditional on indented
1713 (_cpp_push_buffer): Don't re-clear was_skipping.
1714 * cpplib.h (struct cpp_reader): New member la_saved.
1715 * cppmacro.c (cpp_get_token): Don't interpret _Pragma in
1718 gcc.dg/cpp/_Pragma1.c: Update.
1719 gcc.dg/cpp/_Pragma2.c: New test.
1721 2000-11-15 Mark Mitchell <mark@codesourcery.com>
1723 * toplev.c (wrapup_global_declarations): Don't write out
1724 artificial static variables that aren't needed.
1726 2000-11-15 Bernd Schmidt <bernds@redhat.co.uk>
1728 * ia64.c (struct group): New structure.
1729 (last_group): New static array.
1730 (group_idx): New static variable.
1731 (emit_group_barrier_after, errata_find_address_regs, errata_emit_nops):
1732 New static functions.
1733 (emit_insn_group_barriers): Initialize and keep track of group_idx
1735 Call errata_emit_nops if TARGET_B_STEP or TARGET_A_STEP.
1736 Replace all calls to emit_insn_after that emit a group barrier to use
1737 emit_group_barrier_after.
1738 * ia64.h (MASK_B_STEP): New.
1739 (other MASK_XXX macros): Renumbered.
1740 (TARGET_B_STEP): New.
1741 (TARGET_SWITCHES): Add -mb-step.
1743 2000-11-15 Fred Fish <fnf@be.com>
1745 * fixinc/mkfixinc.sh (fixincludes): Add *-*-beos* to list of
1746 machines for which fixincludes is not needed.
1747 * config/i386/x-beos (STMP_FIXPROTO): Don't run fixproto.
1749 2000-11-15 Jason Merrill <jason@redhat.com>
1751 * diagnostic.c (finish_abort): New fn.
1752 (fancy_abort, error_recursion): Use it.
1753 * toplev.c (crash_signal): Likewise.
1754 * diagnostic.h: Declare it.
1756 2000-11-13 Andrew Haley <aph@redhat.com>
1758 * tree.c (build_type_no_quals): New function.
1759 * tree.h (build_type_no_quals): Declare.
1760 * c-common.c (c_get_alias_set): When considering type
1761 compatibility for pointer types, ignore cv-qualifiers anywhere in
1764 2000-11-15 Graham Stott <grahams@redhat.com>
1766 * regrename.c (scan_rtx_rtx): Skip to the next chain on
1767 encountering a terminated chain.
1769 2000-11-14 Mark Mitchell <mark@codesourcery.com>
1771 * configure.in: Move check for V3 above check for C++ header-file
1773 * configure: Regenerated.
1775 2000-11-14 DJ Delorie <dj@redhat.com>
1777 * config/v850/v850.c: Remove obstacks.
1779 Tue Nov 14 21:54:31 2000 Marek Michalkiewicz <marekm@linux.org.pl> & Denis Chertykov <denisc@overta.ru>
1781 * config/avr/avr.c (avr_case_values_threshold): New.
1782 (avr_override_options): Set it depending on options, make it large
1783 when not optimizing to work around "unable to generate reloads".
1785 * config/avr/avr.h (TARGET_SWITCHES): Add -mno-tablejump option.
1786 (EXTRA_SECTION_FUNCTIONS): Make the .progmem.gcc_sw_table section
1787 executable if not AVR_MEGA. Make sure jump tables are word-aligned.
1788 (JUMP_TABLES_IN_TEXT_SECTION): Define as 0, not 1.
1789 (ASM_OUTPUT_ADDR_VEC_ELT): Optimize, use "rjmp" if not AVR_MEGA.
1790 (avr_case_values_threshold): Declare as extern int.
1791 (CASE_VALUES_THRESHOLD): Define as avr_case_values_threshold.
1793 * config/avr/avr.md (tablejump): Removed.
1794 (*tablejump_rjmp): New for jump tables made from "rjmp" instructions.
1795 (*tablejump_lib, *tablejump_enh, *tablejump): Change to expect the
1796 index in the table, not multiplied by 2.
1797 (casesi): Change to match the above insns. Always enable.
1799 * config/avr/libgcc.S (__tablejump__): Rename to __tablejump2__.
1800 Change to expect the word address of the table, multiply it by 2
1801 here and not in the caller. Change "adiw" to faster "inc".
1803 2000-11-14 Neil Booth <neilb@earthling.net>
1805 * cppexp.c (parse_defined): Call cpp_get_token not
1808 * cpplex.c (cpp_output_line): Similarly.
1809 * cpplib.c (glue_header_name, do_line, do_ident,
1810 parse_answer, parse_assertion): Similarly.
1811 (_cpp_handle_diretive): Don't save to lookaheads
1812 when processing directives.
1813 * cppmacro.c (parse_arg, expand_arg): Call cpp_get_token not
1815 (funlike_invocation_p): Don't save to lookaheads
1816 when pre-expanding arguments.
1817 (_cpp_get_token): Delete.
1818 (cpp_get_token): Merge contents of _cpp_get_token.
1820 2000-11-14 Jakub Jelinek <jakub@redhat.com>
1822 * builtins.c (expand_builtin_setjmp): Set
1823 current_function_calls_setjmp.
1824 (expand_builtin_longjmp): Set current_function_calls_longjmp.
1826 * config/sparc/sparc.md (builtin_setjmp_setup): New expand.
1827 (do_builtin_setjmp_setup): New insn.
1829 Tue Nov 14 12:34:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1831 * tree.c (get_unwidened): Use host_integerp and tree_low_cst.
1832 (int_fits_type_p): For variable bounds, call force_fit_type.
1834 2000-11-14 Jakub Jelinek <jakub@redhat.com>
1836 * varasm.c (struct deferred_string): New structure.
1837 (const_str_htab): New variable.
1838 (STRHASH): New macro.
1839 (mark_const_str_htab_1, mark_const_str_htab, const_str_htab_hash,
1840 constr_str_htab_eq, const_str_htab_del): New functions.
1841 (output_constant_def): Add DEFER argument, defer string
1842 constants until mark_constant_pool time if requested.
1843 (mark_constant_pool): Walk the insn chain even if const_str_htab is
1845 (mark_constants): If a SYMBOL_REF for deferred string is found,
1846 output it and remove from hash table.
1847 (output_addressed_constants): Set DEFER to 0 in call to
1848 output_constant_def.
1849 * rtl.h (STRING_POOL_ADDRESS_P): Define.
1850 (output_constant_def): Adjust prototype.
1851 * expr.c (expand_expr): Set DEFER to 1 in call to output_constant_def.
1853 2000-11-14 Chandrakala Chavva <cchavva@redhat.com>
1855 * optabs.c (expand_complex_ab):: Use overflow-trapping optabs for
1856 signed types if flag_trapv.
1858 2000-11-14 Zack Weinberg <zack@wolery.stanford.edu>
1860 * tradcpp.c, tradcif.y: Update FSF mailing address, delete
1863 2000-11-14 Joseph S. Myers <jsm28@cam.ac.uk>
1865 * c-common.h (CTI_C_SIZE_TYPE): Update comment.
1867 2000-11-14 Jakub Jelinek <jakub@redhat.com>
1869 * varasm.c (struct varasm_status): Change x_const_rtx_sym_hash_table
1870 to array of pool_constnat pointers.
1871 (struct pool_constant): Add next_sym and label members.
1872 (struct pool_sym): Remove.
1873 (init_varasm_status): Change pool_sym into pool_constant.
1874 (mark_pool_constant): Mark pc->label string as well.
1875 (mark_pool_sym_hash_table): Remove.
1876 (mark_varasm_status): Remove it from caller as well.
1877 (free_varasm_status): Don't free pool_sym structures.
1878 (force_const_mem): Don't allocate pool_sym structure, instead
1879 fill pool->label and chain it into rtx_sym hash table.
1880 (find_pool_constant, mark_constant_pool): Use pool_constant instead
1883 2000-11-14 Jakub Jelinek <jakub@redhat.com>
1885 * reload1.c (emit_input_reload_insns): Honour forcing of constants
1886 into memory by PREFERRED_RELOAD_CLASS NO_REGS.
1888 2000-11-14 Michael Matz <matzmich@cs.tu-berlin.de>
1890 * dominance.c: New file.
1891 * Makefile.in (OBJS): Add dominance.o.
1893 * flow.c (compute_flow_dominators): Remove.
1894 (compute_immediate_dominators): Remove.
1895 (compute_immediate_postdominators): Remove.
1896 * basic-block.h: Remove their prototypes.
1897 (calculate_dominance_info): Add prototype.
1899 * dce.c (eliminate_dead_code): Change calls to above functions.
1900 Don't compute dominators but only immediate dominators.
1901 * flow.c (flow_loops_find): Change callers.
1902 * gcse.c (compute_code_hoist_data): Likewise.
1903 * haifa-sched.c (schedule_insns): Likewise.
1904 * ifcvt.c (if_convert): Likewise.
1905 * ssa.c (convert_to_ssa): Likewise, and only compute immediate
1908 2000-11-14 Richard Henderson <rth@redhat.com>
1910 * stmt.c (warn_if_unused_value): Don't warn if the expression
1913 * c-typeck.c (c_sizeof): Fold result to c_size_type_node.
1914 (c_sizeof_nowarn, c_alignof, c_alignof_expr): Likewise.
1916 2000-11-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1918 * loop.c (basic_induction_var): Revert accidental checkin.
1920 2000-11-13 Hans-Peter Nilsson <hp@axis.com>
1922 * c-lex.c (cb_leave_file): Harmonize conditions and order of
1923 statements to those of process_directive for (action == act_pop).
1925 * collect2.c (main): Pass on -B options from COLLECT_GCC_OPTIONS.
1927 * local-alloc.c (equiv_init_movable_p): References to CC0 are not
1930 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1932 * c-parse.in (stmts_and_decls): Deprecate use of label at end of
1935 2000-11-13 Neil Booth <neilb@earthling.net>
1937 * cpplex.c (_cpp_lex_token): CPP_COMMENT and true CPP_EOF
1938 cases return without MI check.
1939 * cpplib.c (do_diagnostic): Take boolean of whether to
1940 print the directive name.
1941 (do_error, do_warning): Update.
1942 (do_pragma_dependency): Use it.
1943 * cpplib.h (VARARGS_FIRST): Delete.
1944 (struct cpp_token): Delete integer.
1945 * cppmacro.c (enter_macro_context): Move disabled check
1947 (_cpp_get_token): Simplify into a single loop.
1949 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
1951 * configure.in: Use 'test -f' not '[ -e'.
1952 * configure: Regenerated.
1954 2000-11-13 DJ Delorie <dj@redhat.com>
1956 * config/mn10300/mn10300.md (store_movm): Note which registers are
1957 really used or clobbered.
1959 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1961 * c-parse.in (ends_in_label): Remove from %union and %type.
1962 (decls, stmts, lineno_stmt_or_labels, xstmts,
1963 lineno_stmt_or_label, stmt_or_label): Remove.
1964 (stmts_and_decls, lineno_stmt_decl_or_labels_ending_stmt,
1965 lineno_stmt_decl_or_labels_ending_decl,
1966 lineno_stmt_decl_or_labels_ending_label,
1967 lineno_stmt_decl_or_labels_ending_error,
1968 lineno_stmt_decl_or_labels, compstmt_contents_nonempty,
1969 lineno_stmt, lineno_label): New.
1970 (compstmt_nostart): Use compstmt_contents_nonempty.
1972 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1974 * c-common.c (boolean_increment): New function.
1975 * c-common.h (enum c_tree_index): Add CTI_C_BOOL_TYPE,
1976 CTI_C_BOOL_TRUE and CTI_C_BOOL_FALSE.
1977 (c_bool_type_node, c_bool_true_node, c_bool_false_node): Define.
1978 (boolean_increment): Declare.
1979 * c-convert.c (convert): Allow for BOOLEAN_TYPE.
1980 * c-decl.c (init_decl_processing): Create boolean nodes.
1981 (finish_struct): Allow for _Bool bitfields.
1982 * c-parse.in (reswords): Add _Bool.
1983 (rid_to_yy): Allow for RID_BOOL.
1984 * c-typeck.c (default_conversion): Make booleans promote to int.
1985 (convert_arguments, build_unary_op, build_modify_expr,
1986 convert_for_assignment): Allow for booleans.
1987 * ginclude/stdbool.h: Make conforming to C99.
1989 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1991 * c-parse.in (c99_block_start, c99_block_end,
1992 c99_block_lineno_labeled_stmt): New.
1993 (simple_if, do_stmt_start): Use c99_block_lineno_labeled_stmt.
1994 (stmt): Split off selection and iteration statements into...
1995 (select_or_iter_stmt): New. Use c99_block_lineno_labeled_stmt.
1997 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1999 * invoke.texi (-Wtrigraphs, -fdump-translation-unit, -save-temps,
2002 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
2004 * arm.md (mulsidi3adddi, umulsidi3adddi): Revert previous change.
2005 Rewrite to avoid use of match_dup. Don't try to tie registers that
2006 are not in the same mode.
2008 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2010 * invoke.texi: Update lists of languages and suffixes supported.
2012 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2014 * configure.in: Take toplevel configure arguments from the
2015 environment to create configargs.h and substitute
2016 gcc_config_arguments, taking account of any existing configargs.h
2018 * configure: Regenerate.
2019 * gccbug.in: Include toplevel configure arguments in gccbug.
2021 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
2023 * varasm.c (struct constant_descriptor): Put CONTENTS inside a
2024 union to make it well-aligned. Update all uses.
2026 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2028 * c-parse.in (initelt): Give appropriate pedantic warnings,
2029 depending on flag_isoc99, for non-ISO syntax and for C99 syntax
2031 (designator): If pedantic, pedwarn for a designator specifying a
2033 * c-typeck.c (set_init_index, set_init_label): Don't pedwarn for
2035 * extend.texi: Document the C99 syntax as the preferred syntax,
2036 and the pre-2.5 syntax as obsolete. Mention use of designator
2037 lists for nested subobjects.
2039 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2041 * diagnostic.c (vbuild_message_string, output_do_printf, vnotice):
2042 Add ATTRIBUTE_PRINTF.
2043 * tradcpp.c (v_message, warning, error, fatal, error_with_line):
2044 Add ATTRIBUTE_PRINTF*.
2046 2000-11-12 Mark Mitchell <mark@codesourcery.com>
2048 * function.c (assign_parms): When calling put_var_into_stack, make
2049 sure that there are no hidden pending sequences.
2051 2000-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2053 * builtins.c (expand_builtin): Handle BUILT_IN_INDEX and
2054 BUILT_IN_RINDEX. Add missing checks for BUILT_IN_STRCHR and
2057 * builtins.def (BUILT_IN_INDEX, BUILT_IN_RINDEX): New entries.
2059 * c-common.c (c_common_nodes_and_builtins): Declare index and
2060 rindex when nonansi builtins are allowed.
2062 * extend.texi (index, rindex): Document new builtins.
2064 2000-11-12 Mark Mitchell <mark@codesourcery.com>
2066 * configure.in: Turn on libstdc++ V3 by default.
2067 * configure: Regenerated.
2069 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on Solaris.
2071 2000-11-12 Jakub Jelinek <jakub@redhat.com>
2073 * reload1.c (set_label_offsets): Go inside of PARALLELs.
2075 2000-11-12 Joseph S. Myers <jsm28@cam.ac.uk>
2077 * invoke.texi: Clean up option summary.
2079 2000-11-12 Nick Clifton <nickc@redhat.com>
2081 * config/mcore/mcore.c: Fix comment formating, and adjust sequence
2082 of #include headers.
2084 2000-11-12 Marc Espie <espie@openbsd.org>
2086 * configure.in: Fix filds test.
2089 2000-11-12 Mark Mitchell <mark@codesourcery.com>
2091 * jump.c (delete_computation): Don't assume that just becuase an
2092 instruction sets a register, that register is dead.
2094 2000-11-12 Neil Booth <neilb@earthling.net>
2096 * cppexp.c: Don't worry about pfile->skipping.
2097 * cpplib.c (struct if_stack): Make was_skipping unsigned char.
2098 (cpp_handle_directive): Save pfile->skipping in struct cpp_buffer
2099 for handled directives.
2100 (skip_rest_of_line): Use _cpp_lex_token after popping contexts
2101 and releasing lookaheads.
2102 (do_ifdef, do_ifndef, do_if): Use buffer->was_skipping.
2103 (do_else, do_elif, push_conditional): Update logic.
2104 (do_endif): Set buffer->was_skipping rather than pfile->skipping.
2105 (unwind_if_stack): Inline into cpp_pop_buffer.
2106 (cpp_push_buffer): Clear ifs->was_skipping for cpp_handle_directive.
2107 * cpplex.c (_cpp_lex_token): Clear skipping on EOF. Handle
2108 multiple-include optimisation.
2109 * cpplib.h (struct cpp_buffer): New member was_skipping.
2110 * cppmacro.c (_cpp_get_token): Loop whilst pfile->skipping. This
2111 works because skipping == 0 in directives.
2112 (_cpp_release_lookahead): Renamed from release_lookahead.
2113 (cpp_get_token): No need to check skipping as _cpp_get_token does
2114 this for us. No need to handle MI optimisation.
2116 Sat Nov 11 21:14:02 2000 Mark P Mitchell <mark@codesourcery.com>
2118 * fixinc/inclhack.def (sunos_matherr_decl): Bypass matherr
2119 declarations that use `__MATH_EXCEPTION' in their prototypes, too.
2120 * fixinc/fixincl.x: Regenerated.
2122 2000-11-11 Bruce Korb <bkorb@gnu.org>
2124 * fixinc/inclhack.def (avoid_bool_type): avoid commenting out #endif
2125 (avoid_wchar_t_type): ditto
2126 * fixinc/fixinc.irix: obsoleted
2128 2000-11-11 Zack Weinberg <zack@wolery.stanford.edu>
2130 * configure.in: Don't add $outputs to all_lang_makefiles. Add
2131 $srcdir/$s/Makefile.in if it exists.
2132 * configure: Regenerate.
2134 Sat Nov 11 18:41:20 2000 Mark P Mitchell <mark@codesourcery.com>
2136 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on IRIX.
2138 2000-11-11 Jason Merrill <jason@redhat.com>
2140 * function.c (assign_parms): If TREE_ADDRESSABLE is set, try to
2141 give the parm a register and then call put_var_into_stack.
2142 * stmt.c (expand_decl): Likewise.
2144 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
2146 * gcc.texi: Adjust wording.
2148 2000-11-11 Mark Mitchell <mark@codesourcery.com>
2150 * fixinc/inclhack.def (avoid_wchar_t_type): New fix.
2151 * fininc/fixincl.x: Regenerated.
2153 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
2155 * invoke.texi: Correct spelling of -foptimize-register-move.
2157 2000-11-11 Neil Booth <neilb@earthling.net>
2159 Remove CPP_PLACEMARKERs.
2161 * cppexp.c (lex): Don't handle CPP_PLACEMARKER.
2162 * cpplex.c (_cpp_lex_token): Rename skip_newlines to next_bol
2163 * cpplib.c (skip_rest_of_line, check_eol, cpp_push_buffer):
2165 * cpplib.h: Remove CPP_PLACEMARKER.
2166 (struct lexer_state): Rename skip_newlines to next_bol.
2167 * cppmacro.c (stringify_arg): Don't handle CPP_PLACEMARKER.
2168 Simplify prev_white handling as a result.
2169 (paste_all_tokens): Don't worry about CPP_PLACEMARKERs.
2170 (parse_arg): Empty arguments are now empty, not CPP_PLACEMARKERs.
2171 (parse_args): Similarly. Update argument count tests.
2172 (enter_macro_context): Return 2 to indicate an empty macro.
2173 (replace_args): Don't bother pre-expanding an empty argument.
2174 Handle placemarkers and ## extension during pre-expansion.
2175 (cpp_get_token): Handle empty macro expansions. Don't worry
2176 about CPP_PLACEMARKERs.
2177 (_cpp_create_definition): Empty macros are now empty.
2178 (cpp_macro_defintion): Don't special case empty macros.
2179 * scan-decls.c: Don't bother with CPP_PLACEMARKERs.
2180 * c-lex.c: Similarly.
2182 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
2184 * gcc.texi, invoke.texi: Add new section discussing language
2185 standards; link to it where appropriate; refer to ISO C instead of
2188 2000-11-11 Alexandre Oliva <aoliva@redhat.com>
2190 * builtins.c (std_expand_builtin_va_start): Take PARM_BOUNDARY
2193 * config/sh/sh.h (MODES_TIEABLE_P): Don't tie SFmode to other FP
2196 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
2198 * gcc.texi, gcov.texi: Update dates and version numbers.
2200 2000-11-10 Zack Weinberg <zack@wolery.stanford.edu>
2202 * configure.in: Remove AC_PROG_LEX and AC_PROG_YACC. Look for
2203 flex and bison, specifically, first in a unified build and
2204 then installed on the system.
2205 * Makefile.in: Set BISON to @BISON@, FLEX to @FLEX@. Rename
2206 LEXFLAGS to FLEXFLAGS. Adjust ORDINARY_FLAGS_TO_PASS to
2209 (collect2.o, gcc.o, prefix.o, toplev.o, alloca.o, intl.o,
2210 cppdefault.o): Remove pointless sed munging of source file
2213 2000-11-10 Bernd Schmidt <bernds@redhat.co.uk>
2215 * reload.c (find_reloads_address_1, case POST_MODIFY): Use RELOAD_OTHER
2216 for address reloads. Push replacements for REG_INC notes.
2217 (regno_clobbered_p): New arg SETS. Examine SETs if it's nonzero. All
2219 * reload1.c (choose_reload_regs): Registers set in the insn can't be
2220 used for RELOAD_OTHER reloads.
2222 2000-11-10 Mark Mitchell <mark@codesourcery.com>
2224 * c-dump.h: New file.
2226 2000-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2228 * alpha.c (check_float_value): Use memcpy, not bcopy.
2229 * arm.c (output_move_double): Likewise.
2231 * m88k.c (legitimize_operand): Likewise.
2232 * m88k.h (ORDER_REGS_FOR_LOCAL_ALLOC): Likewise.
2233 * m88k.md: Likewise.
2234 * mips.c (override_options): Likewise.
2235 * mips.md: Likewise.
2236 * romp.c (output_fpops): Likewise.
2237 * rs6000.c (rs6000_override_options): Likewise.
2239 * vax.c (check_float_value): Likewise.
2241 * emit-rtl.c (copy_rtx_if_shared, init_emit_once): Likewise.
2242 * expmed.c (synth_mult): Likewise.
2243 * final.c (add_bb_string): Likewise.
2244 * genattr.c (main): Likewise.
2245 * genattrtab.c (attr_string, simplify_cond, copy_rtx_unchanging):
2247 * jump.c (thread_jumps): Likewise.
2248 * prefix.c (save_string): Likewise.
2249 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Likewise.
2250 * regclass.c (init_reg_sets, init_reg_sets_1): Likewise.
2251 * reload1.c (reload, eliminate_regs): Likewise.
2253 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
2255 * gcc.texi (Service): Update to reflect current practice and
2256 location of the GNU service directory.
2258 2000-11-09 Bernd Schmidt <bernds@redhat.co.uk>
2260 * regrename.c (build_def_use): Mark contents of REG_INC notes as
2261 needing replacement.
2263 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Emit
2264 a no-op move if regs are equal.
2265 * toplev.c (rest_of_compilation): Do the noop moves elimination pass
2266 when calling jump after post-reload splitting.
2268 2000-11-09 Jan van Male <jan.vanmale@fenk.wau.nl>
2270 * c-tree.texi: Fix typos.
2271 * extend.texi: Likewise
2272 * gcov.texi: Likewise
2273 * rtl.texi: Likewise
2276 2000-11-09 Hans-Peter Nilsson <hp@axis.com>
2278 * c-lex.c [! NO_IMPLICIT_EXTERN_C] (cb_enter_file): Check
2279 in_system_header and flags[1] before dereferencing flags[2].
2281 2000-11-09 Matthew Hiller <hiller@redhat.com>
2283 * reload1.c (reload_combine): Fixed calculation of
2284 first_index_reg, last_index_reg.
2286 2000-11-09 Mark Mitchell <mark@codesourcery.com>
2288 * c-dump.c (dequeue_and_dump): Dump function bodies.
2290 * Makefile.in (C_AND_OBJC_OBJS): Add c-dump.o.
2291 (c-dump.o): New target.
2292 * c-common.h (flag_dump_translation_unit): New variable.
2293 (C_TYPE_QUALS): New macro.
2294 (strip_array_types): New function.
2295 (DECL_C_BIT_FIELD): New macro.
2296 (SET_DECL_C_BIT_FIELD): Likewise.
2297 (CLEAR_DECL_C_BIT_FIELD): Likewise.
2298 (dump_info_p): New typedef.
2299 (dump_tree_fn): Likewise.
2300 (lang_dump_tree): New variable.
2301 (dump_node_to_file): New function.
2302 * c-common.c (flag_dump_translation_unit): Define it.
2303 (strip_array_types): New function.
2304 * c-decl.c (c_decode_option): Handle -fdump-translation-unit.
2305 * c-lang.c (finish_file): Call dump_node_to_file if
2306 flag_dump_translation_unit.
2307 * c-semantics.c (mark_rtl_for_local_static): Fix typo in comment.
2308 * c-tree.h (DECL_C_BIT_FIELD): Remove declaration.
2309 * c-dump.c: New file.
2311 2000-11-09 Christopher Faylor <cgf@cygnus.com>
2313 * config/i386/cygwin.h: Add mingw startfile prefix.
2315 2000-11-09 Richard Henderson <rth@redhat.com>
2317 * flow.c (invalidate_mems_from_set): Split out from ...
2318 (mark_set_1): ... here.
2319 (try_pre_increment_1): Use it. Use propagate_block_delete_insn
2320 instead of turning insn into a NOTE_INSN_DELETED.
2322 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
2324 * extend.texi, invoke.texi: Move documentation of builtin versions
2325 of C library functions to one place and update.
2327 2000-11-09 Richard Henderson <rth@redhat.com>
2329 * fold-const.c (fold): Compare TYPE_MAIN_VARIANT rather than
2330 the types themselves to discover type equivalence.
2332 2000-11-09 Mike Stump <mrs@wrs.com>
2334 * Makefile.in (distclean): Remove a few extra leftovers.
2336 2000-11-09 Richard Henderson <rth@redhat.com>
2338 * recog.c (validate_replace_rtx_1): Consider subregs when
2339 replacing a register with a constant inside a sign/zero_extend.
2341 * config/alpha/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2343 2000-11-09 Geoffrey Keating <geoffk@redhat.com>
2345 * c-decl.c (finish_struct): When a structure is completed,
2346 check all its variant types for completeness.
2348 2000-11-09 Neil Booth <neilb@earthling.net>
2350 * cpphash.c: Move cpp_defined here from cpplib.c.
2351 * cpplib.c: Update comments, move cpp_defined to cpphash.c.
2352 * cpplex.c (_cpp_lex_token): Don't leave the lexer at EOL.
2353 * cppmacro.c (cpp_get_token): Update comments, no need now
2354 to catch the CPP_EOF meaning EOL case.
2356 2000-11-08 Geoffrey Keating <geoffk@redhat.com>
2358 * config/sparc/sparc.c (sparc_va_arg): When the required alignment
2359 is more than that provided, copy to a temporary.
2361 2000-11-09 Alexandre Oliva <aoliva@redhat.com>
2363 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Prevent `make' from
2364 interpreting $out as a macro assignment.
2365 * Makefile.in (T_TARGET): New auxiliary macro and target.
2366 (all): Add a target right in the beginning, so that we don't build
2367 T_TARGET by default.
2369 2000-11-09 Graham Stott <grahams@redhat.com>
2371 * config/i386/i386.md (mmx_pinsrw): Output operands in correct
2372 order for -mintel-syntax. Remove comment now that the operand
2373 order has been checked.
2374 (mmx_pextrw): Likewise.
2375 (mmx_pshufw): Likewise.
2377 2000-11-09 Jakub Jelinek <jakub@redhat.com>
2379 * builtins.c (c_strlen): Use TREE_STRING_LENGTH - 1 for max.
2380 (c_getstr): New function.
2381 (expand_builtin_strstr): Do nothing if -fcheck-memory-usage.
2382 If both arguments are constant string, optimize out.
2383 (expand_builtin_strchr, expand_builtin_strrchr): New functions.
2384 (expand_builtin_strpbrk): Use c_getstr, do nothing if
2385 -fcheck-memory-usage.
2386 (expand_builtin_fputs): Likewise.
2387 (expand_builtin_strcmp): Add MODE argument.
2388 Use even if !HAVE_cmpstrsi.
2389 Optimize the case when both arguments are constant strings.
2390 (expand_builtin): Adjust expand_builtin_strcmp caller.
2391 Call expand_builtin_strchr and expand_builtin_strrchr.
2392 * c-common.c (c_common_nodes_and_builtins): Add strchr and strrchr
2394 * builtins.def (BUILT_IN_STRRCHR): Add.
2396 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2398 * fixinc/gnu-regex.c: Rename EGCS LOCAL markers to GCC LOCAL.
2400 2000-11-09 Joseph S. Myers <jsm28@cam.ac.uk>
2402 * calls.c (expand_call, emit_library_call_value_1), collect2.c
2403 (scan_prog_file), config/a29k/a29k.c (print_operand),
2404 config/sparc/sparc.c (order_regs_for_local_alloc): Use memcpy ()
2405 instead of bcopy ().
2406 * real.h: Use memcmp () instead of bcmp ().
2407 * config/m88k/m88k.c (m88k_layout_frame), config/sh/sh.c
2408 (split_branches), config/sparc/sparc.c (ultra_flush_pipeline,
2409 ultrasparc_sched_init, ultrasparc_sched_reorder),
2410 config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Use memset ()
2411 instead of bzero ().
2412 * config/vax/xm-xms.h (FILE_NAME_NONDIRECTORY): Use strrchr ()
2413 instead of rindex ().
2414 * configure.in: Don't check for bzero, bcmp, index or rindex.
2415 * configure, config.in: Regenerate.
2416 * system.h: Don't include declarations for bzero, bcmp, index or
2418 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Don't define
2419 bzero, bcmp, index or rindex.
2421 Wed Nov 8 21:58:20 2000 Christopher Faylor <cgf@cygnus.com>
2423 * config/i386/cygwin.h: Add -no-win32 switch. Separate -mno-cygwin
2424 include and library paths from -mcygwin case. Parameterize some
2425 declarations to avoid warnings. Use standard locations for include and
2428 2000-11-08 Nick Clifton <nickc@redhat.com>
2430 * config/arm/arm.md (mulsidi3adddi): Change output operand
2431 constraint from "=&" to "+&".
2432 (umulsidi3adddi): Change output operand constraint from "=&" to
2435 2000-11-08 Richard Henderson <rth@redhat.com>
2437 * flow.c (init_propagate_block_info): Protect the rtx stored in
2438 mem_set_list from modification by find_auto_inc.
2439 (mark_set_1): Likewise.
2441 2000-11-08 Neil Booth <neilb@earthling.net>
2443 Move directive handling into the lexer itself.
2445 * cpplex.c (_cpp_lex_token): Handle directives directly.
2446 In the case of a directive interrupting a function-like
2447 macro invocation, use extra_char since read_ahead is
2448 used to store the '#'. Return a CPP_EOF in this case.
2449 * cppmacro.c (parse_arg): No need to handle CPP_DHASH any more.
2450 (cpp_get_token): Don't handle directives here.
2451 * cpplib.h: Remove CPP_DHASH token type.
2453 Wed Nov 8 21:53:41 MET 2000 Jan Hubicka <jh@suse.cz>
2455 * regmove.c (combine_stack_adjustments_for_blocks): Recognize pushes
2456 formed using PRE_MODIFY too.
2458 2000-11-08 Mark Mitchell <mark@codesourcery.com>
2460 * c-tree.texi (VAR_DECL): Describe representation of GCC's
2461 extension for placing variables in particular registers.
2463 * c-tree.texi (FUNCTION_TYPE): Clarify TYPE_ARG_TYPES for
2464 unprototyped C functions with no parameters.
2466 2000-11-08 Jakub Jelinek <jakub@redhat.com>
2468 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Cast DELTA to int
2469 before passing to fprintf.
2471 2000-11-08 Jakub Jelinek <jakub@redhat.com>
2473 * function.c (expand_function_start): Cast GET_MODE_SIZE to
2474 HOST_WIDE_INT before negating it.
2476 2000-11-08 Jakub Jelinek <jakub@redhat.com>
2478 * expr.c (expand_expr) [ADDR_EXPR]: Handle when op0 is RETURN_DECL
2479 passed in multiple non-contiguous locations.
2481 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2483 * README.gnat: Remove file.
2485 2000-11-08 Alexandre Oliva <aoliva@redhat.com>
2487 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Generate multilib parts
2490 2000-11-07 Richard Henderson <rth@redhat.com>
2492 * dwarfout.c (INSN_LABEL_FMT): Remove.
2493 (output_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
2494 (dwarfout_label): Remove.
2495 * dwarfout.h: Remove it's prototype.
2496 * dwarf2out.c (INSN_LABEL_FMT): Remove.
2497 (gen_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
2498 (dwarf2out_label): Remove.
2499 * dwarf2out.h: Remove it's prototype.
2500 * final.c (final_scan_insn): Don't call dwarf[2]out_label.
2502 2000-11-07 Richard Henderson <rth@redhat.com>
2504 * config/ia64/fde-glibc.c (find_fde_for_dso): Do a binary
2505 search on the unwind region section.
2507 * config/ia64/ia64.md (movbi): Add r/r alternative.
2508 (cmovdi_internal_astep): Describe all combinations of register
2509 classes for sources & destinations; remove matching constraints.
2510 (cmovdi_internal): Likewise.
2512 * gcc.c (default_compilers) [@cpp-output]: Add -fpreprocessed.
2514 2000-11-07 Richard Henderson <rth@redhat.com>
2516 * c-lang.c (start_cdtor, finish_cdtor): New functions.
2517 (finish_file): Use them in building constructor/destructor functions.
2519 * config/alpha/alpha.h (HAS_INIT_SECTION, LD_INIT_SWITCH,
2520 LD_FINI_SWITCH): Move ...
2521 * config/alpha/osf.h: ... here.
2522 * config/alpha/alpha-interix.h: Don't undef them.
2524 2000-11-07 Jeffrey Oldham <oldham@oz.codesourcery.com>
2526 * config/mips/t-iris6 (FPBIT): New. Added so that __unorddf2 is
2527 included in libgcc.a.
2529 (dp-bit.c): Likewise.
2530 (fp-bit.c): Likewise.
2532 2000-11-07 Nick Clifton <nickc@redhat.com>
2534 * config/m88k/m88k.h (GLOBAL_ASM_OP): Add missing tab.
2535 (INTERNAL_ASM_OP): Add missing tab.
2537 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
2539 * alias.c (init_alias_analysis), calls.c (expand_call,
2540 emit_library_call_value_1), combine.c (init_reg_last_arrays),
2541 cse.c (new_basic_block), dbxout.c (dbxout_type), diagnostic.c
2542 (init_output_buffer, set_diagnostic_context), dwarf2out.c
2543 (equate_decl_number_to_die, build_abbrev_table), emit-rtl.c
2544 (init_emit_once), fold-const.c (mul_double, div_and_round_double),
2545 function.c (assign_parms), gcse.c (compute_can_copy,
2546 alloc_gcse_mem, alloc_reg_set_mem, record_one_set,
2547 compute_hash_table, compute_set_hash_table,
2548 compute_expr_hash_table), genattrtab.c (optimize_attrs), global.c
2549 (global_alloc, global_conflicts), haifa-sched.c (compute_trg_info,
2550 clear_units, schedule_block), integrate.c (initialize_for_inline,
2551 expand_inline_function), jump.c (thread_jumps), local-alloc.c
2552 (local_alloc), loop.c (combine_movables, count_loop_regs_set,
2553 load_mems_and_recount_loop_regs_set), print-tree.c (debug_tree),
2554 regclass.c (init_reg_sets, init_reg_sets_1, regclass,
2555 record_reg_classes, allocate_reg_info), reload.c
2556 (get_secondary_mem, remove_address_replacements, find_reloads),
2557 reload1.c (reload, set_initial_label_offsets, finish_spills,
2558 reload_as_needed, choose_reload_regs_init,
2559 reload_cse_simplify_operands), reorg.c (dbr_schedule), sbitmap.c
2560 (sbitmap_zero), simplify-rtx.c (simplify_plus_minus), ssa.c
2561 (rename_registers), stmt.c (expand_end_case), unroll.c
2562 (unroll_loop), varray.c (varray_grow), objc/objc-act.c: Use memset
2563 () instead of bzero ().
2565 2000-11-07 Neil Booth <neilb@earthling.net>
2567 * cp/lang-specs.h: Fix -save-temps specs under USE_CPPLIB.
2569 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2571 * c-common.c (combine_strings): Only warn about long strings for C.
2573 Tue Nov 7 19:44:30 2000 J"orn Rennecke <amylaar@redhat.com>
2575 * combine.c (distribute_notes): Fix typo in last change.
2577 2000-11-07 Geoff Keating <geoffk@redhat.com>
2579 * config/rs6000/rs6000.md (movdi_internal32+1): Use
2580 operand_subreg_force rather than gen_rtx_SUBREG.
2581 (movdi_internal32+2): Likewise.
2583 2000-11-07 Philip Blundell <philb@gnu.org>
2585 * configure.in (arm*-*-linuxaout*): Obsolete, deleted.
2586 * config/arm/linux-aout.h: Likewise.
2587 * configure: Regenerate.
2589 2000-11-07 Philipp Thomas <pthomas@suse.de>
2591 * ABOUT-GCC-NLS: Remove the patch for gettext as it has been
2592 accepted my the gettext maintainer.
2594 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2596 * builtins.c (expand_builtin_strpbrk): New function.
2597 (expand_builtin): Handle BUILT_IN_STRPBRK.
2599 * builtins.def (BUILT_IN_STRPBRK): New entry.
2601 * c-common.c (c_common_nodes_and_builtins): Declare builtin
2604 2000-11-07 David O'Brien <obrien@dragon.nuxi.com>
2606 * config/alpha/freebsd.h: New file -- FreeBSD/alpha architecture file.
2607 * POTFILES.in: Add config/alpha/freebsd.h
2608 * configure.in: Add alpha*-freebsd support.
2609 * configure: Regenerate.
2611 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
2613 * tree.c (build_common_tree_nodes_2): Make va_list_type_node be a
2614 copy of ptr_type_node rather than ptr_type_node itself.
2616 Tue Nov 7 06:29:24 2000 J"orn Rennecke <amylaar@redhat.com>
2618 * combine.c (recog_for_combine): Allocate uninitialized vector with
2620 * recog.c (apply_change_group): Likewise.
2622 Tue Nov 7 06:24:02 2000 J"orn Rennecke <amylaar@redhat.com>
2624 * flow.c (verify_local_live_at_start): Back out last change.
2625 * combine.c (distribute_notes): When parts of a hard reg are
2626 neither set nor referenced in PLACE, search backwards for a
2627 place to put a REG_UNUSED note; if none found, ask for flow
2630 Mon Nov 6 20:08:13 2000 J"orn Rennecke <amylaar@redhat.com>
2632 * reload1.c (eliminate_regs_in_insn): Allow a set to be a PARALLEL
2633 with (clobber (match_scratch...)).
2635 2000-11-06 Neil Booth <neilb@earthling.net>
2637 * c-lex.c (init_c_lex): If cpp_start_read fails, exit with
2640 2000-11-06 Neil Booth <neilb@earthling.net>
2642 * tradcpp.c (special_symbol): Assign an null string rather
2643 than writing to an unallocated buffer.
2645 2000-11-06 Neil Booth <neilb@earthling.net>
2647 * cpplex.c (_cpp_equiv_tokens): Check arg_no in the
2650 2000-11-06 Neil Booth <neilb@earthling.net>
2652 * c-lex.c (c_lex): Replace tok.val.aux with tok.val.c or
2653 tok.val.arg_no as appropriate.
2654 * cppexp.c (lex): Similarly.
2655 * cpplex.c (_cpp_lex_token, cpp_spell_token, cpp_output_token,
2656 cpp_equiv_tokens, cpp_can_paste, cpp_avoid_paste): Similarly.
2657 * cppmacro.c (stringify_arg, replace_args, lex_expansion_token,
2658 cpp_macro_definition): Similarly.
2659 * cpplib.h (struct cpp_token): Replace aux with c and arg_no.
2661 2000-11-06 Jakub Jelinek <jakub@redhat.com>
2663 * config/sparc/sparc.md (adddi3): If operands[2] is 4096 and
2664 operands[1] is constant, calculate the sum and generate movdi.
2665 (addsi3): Similarly. Use SImode in call to arith_4096_operand.
2666 (subsi3): Use SImode in call to arith_4096_operand.
2668 2000-11-06 Jakub Jelinek <jakub@redhat.com>
2670 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): On sparc64 we need to
2671 adjust %o1, not %o0 if the return type is large structure.
2673 2000-11-06 Jakub Jelinek <jakub@redhat.com>
2675 * config/sparc/sparc.md (smulsi3_highpart_v8plus, ashldi3_v8plus+1,
2676 update_return, flush, flushdi, ffssi2, ffsdi2): Fix output formatting.
2678 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
2680 * expmed.c (expand_divmod): For signed divide by 2, prefer
2681 a branch and fewer shifts if branches are very cheap.
2683 2000-11-05 Joseph S. Myers <jsm28@cam.ac.uk>
2685 * Makefile.in: Remove all targets related to building
2686 distributions and diffs, or INSTALL.
2687 * INSTALL, install1.texi: Remove.
2688 * configure.in: Remove mention of distdir.
2689 * configure: Regenerate.
2690 * objc/Make-lang.in: Remove mention of distdir.
2692 2000-11-04 Neil Booth <neilb@earthling.net>
2694 * cpp.texi: Update for _Pragma.
2696 2000-11-04 Joseph S. Myers <jsm28@cam.ac.uk>
2698 * gcc.texi (Contributing): Update URL for projects web page.
2700 2000-11-04 Neil Booth <neilb@earthling.net>
2702 * cpplex.c (parse_string): Don't allow multiline strings in
2703 #include family directives.
2705 2000-11-04 Neil Booth <neilb@earthling.net>
2707 * cpplib.c (do_line): Only warn pedantically if not reading
2710 2000-11-04 Alexandre Oliva <aoliva@redhat.com>
2712 * calls.c (emit_call_1) [sibcall_pop]: Use n_popped instead of
2715 2000-11-03 Zack Weinberg <zack@wolery.stanford.edu>
2717 * builtins.c (expand_builtin_strlen): Remove unused mode
2719 * gcc.c (process_command): Remove unused variable.
2720 * fold-const.c: Include expr.h.
2721 * recog.c: Include reload.h.
2722 * Makefile.in (recog.o, fold-const.o): Update deps.
2724 2000-11-02 Geoffrey Keating <geoffk@cygnus.com>
2726 * fixinc/gnu-regex.c: Change 'CYGNUS LOCAL' to 'EGCS LOCAL'.
2728 Fri Nov 3 13:41:04 2000 Mark P Mitchell <mark@codesourcery.com>
2730 * config/mips/iris6.h (SUBTARGET_CC1_SPEC): Remove -static
2732 (STARTFILE_SPEC): Likewise.
2733 (LINK_SPEC): Likewise.
2735 2000-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2737 * Makefile.in (fold-const.o): Depend on $(GGC_H), not ggc.h.
2738 (toplev.o): Likewise for $(LOOP_H)/loop.h and $(REGS_H)/regs.h.
2739 (simplify-rtx.o): Likewise for $(GGC_H)/ggc.h.
2741 2000-11-03 Joseph S. Myers <jsm28@cam.ac.uk>
2743 * c-decl.c (duplicate_decls, copy_lang_decl), dwarfout.c
2744 (dwarfout_line), gcc.c (main, save_string), tree.c (init_obstacks,
2745 perm_calloc, get_identifier, maybe_get_identifier,
2746 real_value_from_int_cst, simple_cst_equal), varasm.c
2747 (assemble_name, assemble_real, immed_real_const_1,
2748 compare_constant_1, decode_rtx_const, output_constant_pool): Use
2749 strrchr () instead of rindex (). Use memcmp () instead of bcmp
2750 (). Use memcpy () instead of bcopy (). Use memset () instead of
2753 2000-11-03 Nathan Sidwell <nathan@codesourcery.com>
2755 * cppfiles.c (open_file): If already read, then don't reopen.
2756 Immediately close an empty file.
2758 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
2760 * expr.h (fold_builtin): Move declaration...
2761 * tree.h (fold_builtin): ... here.
2763 Fri Nov 3 05:41:07 2000 J"orn Rennecke <amylaar@redhat.com>
2765 * flow.c (verify_local_live_at_start): Allow hard regs to die.
2767 2000-11-02 Neil Booth <neilb@earthling.net>
2770 * a29k/a29k.h, a29k/unix.h, a29k/vx29k.h,
2771 alpha/alpha-interix.h, alpha/alpha.h, alpha/linux.h,
2772 alpha/openbsd.h, alpha/osf.h, alpha/vms.h, alpha/vxworks.h,
2773 alpha/win-nt.h, arc/arc.h, arm/arm.h, arm/conix-elf.h,
2774 arm/linux-aout.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h,
2775 arm/riscix1-1.h, arm/semiaof.h, arm/unknown-elf-oabi.h, arm/vxarm.h,
2776 c4x/rtems.h, clipper/clix.h, convex/convex.h, d30v/d30v.h,
2777 elxsi/elxsi.h, fr30/fr30.h, h8300/h8300.h, i370/linux.h, i370/mvs.h,
2778 i370/oe.h, i386/386bsd.h, i386/aix386ng.h, i386/beos-elf.h,
2779 i386/bsd386.h, i386/crtdll.h, i386/cygwin.h, i386/dgux.h,
2780 i386/djgpp-rtems.h, i386/djgpp.h, i386/freebsd-aout.h, i386/freebsd.h,
2781 i386/gnu.h, i386/i386-interix.h, i386/i386.h, i386/linux-aout.h,
2782 i386/linux-oldld.h, i386/linux.h, i386/lynx-ng.h, i386/lynx.h,
2783 i386/mach.h, i386/mingw32.h, i386/moss.h, i386/netbsd.h,
2784 i386/netware.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
2785 i386/osfelf.h, i386/osfrose.h, i386/ptx4-i.h, i386/rtems.h,
2786 i386/rtemself.h, i386/sco.h, i386/sco4.h, i386/sco4dbx.h, i386/sco5.h,
2787 i386/scodbx.h, i386/sequent.h, i386/sol2.h, i386/sun.h, i386/sysv3.h,
2788 i386/sysv4.h, i386/uwin.h, i386/vsta.h, i386/vxi386.h, i386/win-nt.h,
2789 i386/win32.h, i860/fx2800.h, i860/i860.h, i860/mach.h, i860/sysv3.h,
2790 i860/sysv4.h, i960/i960.h, i960/rtems.h, i960/vx960-coff.h,
2791 ia64/ia64.h, ia64/linux.h, m32r/m32r.h, m68k/3b1.h, m68k/3b1g.h,
2792 m68k/a-ux.h, m68k/altos3068.h, m68k/amix.h, m68k/apollo68.h,
2793 m68k/crds.h, m68k/ctix.h, m68k/dpx2.h, m68k/hp2bsd.h, m68k/hp320.h,
2794 m68k/hp3bsd.h, m68k/hp3bsd44.h, m68k/isi.h, m68k/linux-aout.h,
2795 m68k/linux.h, m68k/lynx-ng.h, m68k/lynx.h, m68k/m68kemb.h,
2796 m68k/m68kv4.h, m68k/mot3300.h, m68k/netbsd.h, m68k/news.h,
2797 m68k/next.h, m68k/openbsd.h, m68k/pbb.h, m68k/plexus.h, m68k/rtems.h,
2798 m68k/rtemself.h, m68k/sun2.h, m68k/sun3.h, m68k/sun3mach.h,
2799 m68k/tower-as.h, m68k/tower.h, m68k/vxm68k.h, m88k/dgux.h,
2800 m88k/dolph.h, m88k/luna.h, m88k/m88k-aout.h, m88k/m88k-coff.h,
2801 m88k/openbsd.h, m88k/sysv3.h, m88k/sysv4.h, mips/bsd-4.h,
2802 mips/bsd-5.h, mips/dec-bsd.h, mips/dec-osf1.h, mips/gnu.h,
2803 mips/iris3.h, mips/iris5.h, mips/iris6.h, mips/linux.h, mips/mips.h,
2804 mips/netbsd.h, mips/news4.h, mips/news5.h, mips/nws3250v4.h,
2805 mips/openbsd.h, mips/osfrose.h, mips/rtems64.h, mips/sni-svr4.h,
2806 mips/svr3-4.h, mips/svr3-5.h, mips/svr4-4.h, mips/svr4-5.h,
2807 mips/ultrix.h, ns32k/encore.h, ns32k/merlin.h, ns32k/netbsd.h,
2808 ns32k/ns32k.h, ns32k/pc532-mach.h, ns32k/pc532.h, ns32k/sequent.h,
2809 ns32k/tek6000.h, ns32k/tek6100.h, ns32k/tek6200.h, pa/pa-hiux.h,
2810 pa/pa-hpux.h, pa/pa-hpux7.h, pa/pa-linux.h, pa/pa-osf.h,
2811 pa/pa-pro-end.h, pa/pa.h, pa/rtems.h, pj/linux.h, pj/pj.h,
2812 romp/romp.h, rs6000/aix.h, rs6000/aix31.h, rs6000/aix41.h,
2813 rs6000/aix43.h, rs6000/beos.h, rs6000/eabi.h, rs6000/eabisim.h,
2814 rs6000/linux.h, rs6000/lynx.h, rs6000/mach.h, rs6000/rtems.h,
2815 rs6000/sysv4.h, rs6000/vxppc.h, sh/elf.h, sh/linux.h, sh/rtems.h,
2816 sh/rtemself.h, sh/sh.h, sparc/aout.h, sparc/elf.h, sparc/linux-aout.h,
2817 sparc/linux.h, sparc/linux64.h, sparc/lite.h, sparc/litecoff.h,
2818 sparc/liteelf.h, sparc/lynx-ng.h, sparc/lynx.h, sparc/netbsd.h,
2819 sparc/openbsd.h, sparc/pbd.h, sparc/rtems.h, sparc/rtemself.h,
2820 sparc/sol2-sld-64.h, sparc/sol2.h, sparc/sp64-aout.h,
2821 sparc/sp64-elf.h, sparc/sp86x-aout.h, sparc/sp86x-elf.h,
2822 sparc/sparc.h, sparc/sysv4.h, sparc/vxsim.h, sparc/vxsparc.h,
2823 v850/rtems.h, vax/netbsd.h, vax/openbsd.h, vax/ultrix.h, vax/vax.h,
2824 vax/vaxv.h, vax/vms.h, we32k/we32k.h
2826 Replace -A() with -A=, the new assertion syntax.
2828 Thu Nov 2 21:52:35 2000 J"orn Rennecke <amylaar@redhat.com>
2830 * combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 /
2832 In REG_DEAD handling: When handling parts of multi-hard-reg hard
2833 registers, increment the loop counter by the size of the parts;
2834 use recursion to handle individual parts.
2836 2000-11-02 Neil Booth <neilb@earthling.net>
2838 * configure.in: Make integrated CPP the default.
2839 * configure: Regenerate.
2841 Thu Nov 2 19:20:12 2000 J"orn Rennecke <amylaar@redhat.com>
2843 * reload.c (find_equiv_reg): Test all hard registers for membership
2844 in the requested class.
2846 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
2848 * collect2.c (main, write_c_file_stat), gcc.c (translate_options,
2849 process_command, main), gcov.c (open_files, output_data), tlink.c
2850 (frob_extension, scan_linker_output), toplev.c
2851 (file_name_nondirectory): Use strchr () and strrchr () instead of
2852 index () and rindex ().
2854 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
2856 * c-common.c (get_flag_spec, check_format_info_main,
2857 check_format_types): Use strchr () instead of index (). Compare
2858 against error_mark_node instead of comparing the TREE_CODE against
2861 2000-11-02 Zack Weinberg <zackw@Stanford.EDU>
2865 * c-lex.c (init_c_lex): Update cpp_start_read call.
2866 (cb_ident): Update for new callback prototype.
2867 (cb_def_pragma): Update for new cpp_get_token prototype.
2868 (c_lex): Similarly. Use cpp_get_line.
2870 * c-parse.in (finish_parse): Update for new cpp_finish
2873 * cp/lex.c (finish_parse): Similarly.
2875 2000-11-01 Geoff Keating <geoffk@cygnus.com>
2877 * machmode.def: Add V16QImode.
2879 2000-11-01 Richard Henderson <rth@redhat.com>
2881 * dwarf2out.c (loc_descriptor_from_tree): Check for null result
2882 from rtl_for_decl_location.
2883 (add_location_or_const_value_attribute): Likewise.
2885 2000-11-01 Neil Booth <neilb@earthling.net>
2887 * cpplib.c (run_directive): Use correct line number for output
2888 of _Pragma. Remember any in-progress directive.
2890 * gcc.dg/cpp/vararg2.c, gcc.dg/cpp/_Pragm1.c: New tests.
2892 2000-11-01 Richard Henderson <rth@redhat.com>
2894 * stmt.c (expand_start_null_loop): Set continue_label.
2896 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
2898 * builtins.c (fold_builtin_constant_p, fold_builtin): New functions.
2899 (expand_builtin_constant_p): Move parts of the code into
2900 fold_builtin_constant_p.
2901 (expand_builtin_strlen): Move parts of the code into fold_builtin.
2902 * expr.h (fold_builtin): Declare.
2903 * fold-const.c (fold): Handle builtin calls.
2905 * c-typeck.c (build_function_call): Call fold on the CALL_EXPR.
2907 2000-11-01 Richard Henderson <rth@redhat.com>
2909 * stmt.c (expand_start_null_loop): New.
2910 (expand_end_null_loop): New.
2911 * c-semantics.c (genrtl_do_stmt): Use them.
2912 * tree.h: Declare them.
2914 2000-11-01 Richard Henderson <rth@redhat.com>
2916 * cppmain.c (scan_buffer): Don't avoid paste for assembly.
2918 2000-11-01 Neil Booth <neilb@earthling.net>
2920 * c-parse.in (_yylex): Remove CPP_BACKSLASH case.
2921 * cp/spew.c: Similarly.
2922 * cpplex.c (_cpp_lex_token): Backslashes are now CPP_OTHER.
2923 * cppmacro.c (stringify_arg): Similarly.
2924 * cpplib.h (CPP_BACKSLASH): Delete.
2926 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2928 * builtins.c (expand_builtin_strstr): New function.
2929 (expand_builtin): Handle BUILT_IN_STRSTR and BUILT_IN_STRCHR.
2931 * builtins.def (BUILT_IN_STRSTR, BUILT_IN_STRCHR): New entries.
2933 * c-common.c (c_common_nodes_and_builtins): Declare builtin strstr
2936 2000-10-31 Richard Henderson <rth@redhat.com>
2938 * config/i386/i386.c (fcmov_comparison_operator): Check for
2939 CCFPmode or CCFPUmode instead of CCmode.
2940 (ix86_expand_fp_movcc): Call ix86_expand_setcc for most
2941 unordered operations as well.
2943 2000-10-31 Richard Henderson <rth@redhat.com>
2945 * c-semantics.c (genrtl_do_stmt): Use integer_zerop instead
2946 of integer_zero_node.
2948 2000-10-31 Richard Henderson <rth@redhat.com>
2950 * c-semantics.c (genrtl_do_stmt): Special case do/while(0).
2952 2000-10-31 Nick Clifton <nickc@redhat.com>
2954 * config/arm/unknown-elf.h (UNIQUE_SECTION_P): Do not allow
2955 -fdata-sections to override the section attribute of a DECL.
2957 2000-10-31 Chris Demetriou <cgd@sibyte.com>
2959 * libgcc2.c (__shtab): Remove __shtab variable.
2960 * libgcc-std.ver (GCC_3.0): Remove __shtab from symbol list.
2961 * Makefile.in (LIB2FUNCS): Remove _shtab from list of library
2964 2000-10-31 Jim Wilson <wilson@redhat.com>
2966 * defaults.h (ASM_OUTPUT_DEBUG_LABEL): New.
2967 * tm.texi (ASM_OUTPUT_DEBUG_LABEL): Document.
2968 * dwarf2out.c (dwarf2out_begin_block): Use ASM_OUTPUT_DEBUG_LABEL
2969 instead of ASM_OUTPUT_INTERNAL_LABEL.
2970 (dwarf2out_end_block, dwarf2out_label): Likewise.
2971 * final.c (final_scan_insn, case NOTE_INSN_DELETED_LABEL): Likewise
2972 * config/ia64/ia64.h (ASM_OUTPUT_DEBUG_LABEL): Define.
2974 2000-10-31 Richard Henderson <rth@redhat.com>
2976 * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
2977 (size_of_locs): Set it.
2978 (output_loc_operands): Use it to compute branch displacement.
2979 (int_loc_descriptor): New.
2980 (mem_loc_descriptor): Dereference memory in the proper size.
2981 Use DW_OP_plus_uconst when possible. Use int_loc_descriptor.
2982 (loc_descriptor_from_tree): New.
2983 (rtl_for_decl_location): Break out from ...
2984 (add_location_or_const_value_attribute): ... here.
2985 (add_bound_info): Use loc_descriptor_from_tree.
2987 2000-10-31 Neil Booth <neilb@earthling.net>
2989 * cpp.texi: Update for new command line assertion syntax.
2990 * cpplib.c (cpp_define): Simplify a bit.
2991 (cpp_assert, cpp_unassert): Use handle_assertion.
2992 (handle_assertion): New function; accept new command line
2994 * testsuite/gcc.dg/cpp/assert3.c: New tests.
2996 2000-10-31 Neil Booth <neilb@earthling.net>
2998 * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if
2999 undefined. Remove #ifdef check.
3000 * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h:
3001 Define STDC_0_IN_SYSTEM_HEADERS to 1.
3003 2000-10-31 Jan Hubicka <jh@suse.cz>
3004 Jakub Jelinek <jakub@redhat.com>
3006 * config/i386/i386.h: Clarify CCNOmode description in comment.
3007 (EXTRA_CC_MODES): Remove CCRCmode.
3008 * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode.
3009 (put_condition_code, ix86_match_ccmode): Likewise.
3010 (ix86_cc_mode): Likewise. Fix comment.
3011 (ix86_expand_strlensi_unroll_1): *rc patterns are gone.
3012 * config/i386/i386.md: Add unspec 12 description.
3013 (adddi3 split): Use unspec 12 instead of CCRCmode.
3014 (addsi3_carry_rc): Remove.
3015 (addsi3_cc, addqi3_cc): New patterns.
3016 (addsi_3): Swap operands, match CCZmode.
3017 (addsi_4): Rewritten.
3018 (addsi_5): Renamed from addsi_6.
3020 (addhi_3): Swap operands, match CCZmode.
3021 (addhi_4): Rewritten.
3022 (addhi_5): Renamed from addhi_6.
3024 (addqi_3): Swap operands, match CCZmode.
3025 (addqi_4): Rewritten.
3026 (addqi_5): Renamed from addqi_6. Use =q constraint for clobber.
3027 (subsi3_carry_rc): Removed.
3028 (iorqi_3): Use =q constraint for clobber.
3029 (xorqi_cc_2): Likewise.
3030 (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu.
3031 (x86_movsicc_0_m1_rc): Removed.
3032 (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode.
3034 2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk>
3036 * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
3037 and decrement of complex types.
3039 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3041 * builtins.c (expand_builtin_fputs): When deleting NOP calls to
3042 builtin fputs, ensure we still evaluate the stream in case it
3045 2000-10-31 Jakub Jelinek <jakub@redhat.com>
3047 * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0)
3050 Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com>
3052 * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare.
3053 (fp_extended_operand, emit_fpscr_use): Likewise.
3054 * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions.
3055 (fpul_operand): New function.
3056 * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and
3057 fp_extended_operand. Add fpul_operand.
3058 * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands.
3059 (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise.
3060 (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise.
3061 (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise.
3062 (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise.
3063 (divdf3_i): Likewise.
3064 (floatsisf2): Likewise. Use fpul_operand for 'y' operand.
3065 (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise.
3066 (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise.
3067 (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise.
3068 (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise.
3070 2000-10-31 Bernd Schmidt <bernds@redhat.co.uk>
3072 * config/i386/i386.c (ix86_init_builtins): Correct return type
3073 building v4hi_ftype_v4hi_int_int tree node.
3074 (ix86_expand_builtin): Use correct operand numbers 0 and 1.
3075 Copy operand 0 into a Pmode register, don't generate a MEM rtx.
3077 * config/i386/i386.md (sse_movntdi): Use mmx register constraint
3079 (mmx__uavgv8qi3): Correct insn mnemonic.
3080 (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2.
3081 (mmx_punpckhwd): Correct insn mnemonic.
3082 (mmx_punpckhdq): Likewise.
3083 (mmx_punpcklwd): Likewise.
3084 (mmx_punpckldq): Likewise.
3085 (prefetch): Use immediare_operand and 'n' constraint for operand 1.
3086 Renumber case labels to match the _mm_prefetch constants defined in
3089 * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands
3090 if the splitter didn't emit new insns.
3091 Make sure we call cleanup_subreg_operands even when splitting the last
3092 insn in a basic block.
3094 * invoke.texi (Debugging Options): Describe -do.
3095 * toplev.c (enum_dump_file_index): New entry DFI_postreload.
3096 (dump_file): Likewise.
3097 (rest_of_compilation): Split .greg dump into .greg and .postreload.
3099 2000-10-30 Neil Booth <neilb@earthling.net>
3101 * cppfiles.c (stack_include_file): Check for stacked contexts
3103 * cpphash.h (_cpp_do__Pragma): New prototype.
3104 * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
3106 * cpplex.c (skip_escaped_newlines): Only process trigraphs and
3107 escaped newlines if !(buffer->from_stage3).
3108 (_cpp_lex_token): Warn about missing newlines iff
3109 !buffer->from_stage3.
3111 * cpplib.c (get__Pragma_string, destringize,
3112 _cpp_do__Pragma): New functions.
3113 (run_directive): Set output_line for _Pragma to avoid line
3114 markers in output. Set from_stage3 and prevent macro expansion
3115 for _Pragma and command-line options. Check buffer exhaustion.
3116 (cpp_push_buffer): Don't check for stacked macro contexts, as
3117 this is perfectly legitimate for _Pragma. Move the check to
3118 stack_include_file instead. Set from_stage3 iff buffer is
3121 * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
3122 unsigned. New boolean from_stage3.
3123 (struct spec_nodes): Add n__Pragma.
3125 * cppmacro.c (enter_macro_context): Flip sense of return value.
3126 (_cpp_get_token): Handle _Pragma operator.
3128 2000-10-30 Phil Edwards <pme@sources.redhat.com>
3130 * gcc.texi: The C++ standard isn't "draft" anymore.
3132 2000-10-30 Mark Mitchell <mark@codesourcery.com>
3134 * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
3136 2000-10-29 Neil Booth <neilb@earthling.net>
3138 * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
3140 2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
3142 * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
3143 fixinc/inclhack.def: Change comments mentioning C9X to refer to
3146 * invoke.texi: Document that -V will only work for very similar
3147 versions of driver and compiler.
3149 2000-10-29 Neil Booth <neilb@earthling.net>
3151 * cppmacro.c (_cpp_create_definition): Optimize the case of
3152 a macro defined to itself.
3154 2000-10-29 Neil Booth <neilb@earthling.net>
3156 * cpplex.c (save_comment): Don't store new lines in C++ comments.
3158 2000-10-29 Michael Hayes <mhayes@redhat.com>
3160 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
3162 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
3164 * cpphash.c (cpp_forall_identifiers): Add context variable
3165 for callback routine.
3166 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
3168 (main): Call cpp_forall_identifiers with null context.
3169 * cpplib.h (cpp_forall_identifiers): Update prototype.
3171 * cppmain.c: Make `parse_in' and `print' static.
3173 2000-10-28 Alan Modra <alan@linuxcare.com.au>
3175 * c-decl.c (finish_function): Clear c_function_name_declared_p.
3177 2000-10-28 Richard Henderson <rth@redhat.com>
3179 * regrename.c (scan_rtx_address): Frob action, not class,
3180 when trying to disable optimization.
3182 2000-10-28 Mark Mitchell <mark@codesourcery.com>
3184 * c-semantics.c (make_rtl_for_local_static): Don't clobber
3185 DECL_ASSEMBLER_NAME.
3187 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
3189 * configure.in: Determine and substitute gcc_version_full.
3190 * configure: Regenerate.
3191 * gccbug.in: Use it to give full version. Don't allow
3194 2000-10-28 Richard Henderson <rth@redhat.com>
3196 * recog.c (split_all_insns): Run cleanup_subreg_operands
3199 * regrename.c (regrename_optimize): Verify that all registers of
3200 a multiple register mode are available.
3201 (scan_rtx_address): Accept the mode of the address; all callers
3204 * cpplib.c (run_directive): Fix prototype.
3206 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
3208 * reload.c (find_reloads): Distinguish "wins" so that we know whether
3209 a given operand won because of a matching constraint or not; then use
3210 that information to compute goal_alternative_matched properly.
3211 * reload1.c (choose_reload_regs): Never set reload_override_in for an
3214 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
3215 accurate value for MULT.
3216 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
3217 2% or > 98% before using static branch prediction bits.
3219 2000-10-28 Neil Booth <neilb@earthling.net>
3223 * cpplib.c (struct answer): New.
3224 (struct if_stack): Use cpp_lexer_pos rather than line and col.
3225 Rename cmacro mi_cmacro.
3226 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
3227 IN_I): New directive and flags.
3228 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
3229 parse_answer, parse_assertion, find_answer): New functions.
3230 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
3231 (lex_macro_node): New function to replace parse_ifdef and
3234 (_cpp_handle_directive): New function, combines _cpp_check_directive
3235 and _cpp_check_linemarker.
3237 (do_define, do_undef, parse_include, do_include, do_import,
3238 do_include_next, read_line_number, do_line, do_ident, do_pragma,
3239 do_pragma_once, do_pragma_poison, do_pragma_dependency):
3240 Update for new token getting interface.
3242 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
3243 : Update for new multiple-include optimisation technique.
3244 (do_elif): Don't forget to invalidate controlling macros.
3246 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
3247 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
3248 Functions to handle assertions with the new token interface.
3249 (do_assert, do_unassert): Use them.
3251 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
3254 (_cpp_init_stacks): Register directive names. Don't register special
3257 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
3258 new position recording regime.
3259 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
3260 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
3261 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
3262 (cpp_type2name): Move to cpplex.c.
3264 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
3265 (parse_defined): Update to handle new multiple include optimisation
3266 method. Remove poisoned identifier warning.
3267 (parse_assertion, TYPE_NAME): Delete.
3268 (lex): Update for multiple include optimisation, removal of
3269 CPP_DEFINED, to use _cpp_test_assertion for assertions and
3271 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
3272 (op_as_text): New function, to wrap cpp_token_as_text.
3274 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
3275 Update for MI optimisation.
3276 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
3277 segfault on diagnostic.
3278 (_cpp_compare_file_date): Take a token rather than 3 args.
3279 (cpp_read_file): Work correctly for zero-length files.
3281 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
3282 _cpp_init_hashtable and _cpp_cleanup_hashtable.
3283 (cpp_lookup): Place identifiers at front of identifier pool
3284 for _cpp_lookup_with_hash.
3285 (_cpp_lookup_with_hash): Require identifiers to be at the front of
3286 the identifier pool. Commit the memory if not already in the
3289 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
3290 Initialise various members of cpp_reader, memory pools, and the
3292 (cpp_printer_init): Delete.
3293 (cpp_cleanup): Update.
3294 (struct builtin, builtin_array, initialize_builtins): Update for new
3295 hashnode definition and builtin handling.
3296 (cpp_start_read, cpp_finish): Don't take or initialise a
3299 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
3300 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
3301 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
3302 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
3303 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
3304 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
3305 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
3306 struct toklist, struct cpp_context, struct specnodes,
3307 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
3308 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
3309 enum builtin_type, cpp_can_paste): New.
3310 (struct cpp_token): Delete line and col members.
3311 (struct cpp_buffer): New member output_lineno.
3312 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
3313 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
3314 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
3315 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
3316 base_context, context, directive, mi_state, mi_if_not_defined,
3317 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
3318 mlstring_pos, macro_buffer, macro_buffer_len.
3319 Delete members mls_line, mls_column, token_list, potential_control_macro,
3320 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
3321 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
3322 save_parameter_spellings, need_newline, .
3323 Change type of date, time and spec_nodes members.
3324 Change prototypes for include and ident callbacks.
3325 (struct cpp_hashnode): Change type of name. Remove union members
3326 expansion and code. Add members macro, operator and builtin.
3328 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
3329 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
3330 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
3331 cpp_stop_lookahead): New prototypes.
3332 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
3334 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
3335 Move from cpphash.h.
3337 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
3338 ufputs): Move to cpplib.h.
3339 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
3340 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
3341 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
3342 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
3343 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
3344 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
3345 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
3346 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
3347 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
3348 _cpp_parse_assertion, _cpp_find_answer): Delete.
3349 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
3350 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
3351 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
3352 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
3353 _cpp_handle_directive, DSC): New.
3354 (struct include_file): New member defined.
3356 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
3357 _cpp_compare_file_date): Update.
3358 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
3359 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
3360 _cpp_cleanup_hashtable.
3362 * Makefile.in: Remove cppoutput.c.
3364 * cppoutput.c: Delete
3366 * fixheader.c (read_scan_file): Update for new cpp_get_token
3368 (recognized_function): New argument LINE.
3370 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
3371 new cpp_get_token prototype.
3373 * scan.h (recognized_function): Update prototype.
3375 * po/POTFILES.in: Remove cppoutput.c.
3377 2000-10-27 Mark Mitchell <mark@codesourcery.com>
3379 * c-typeck.c (check_init_type_bitfields): Remove.
3380 (constructor_incremental): Likewise.
3381 (struct constructor_stack): Remove incremental bit.
3382 (struct initializer_stack): Likewise.
3383 (start_init): Don't play with constructor_incremental.
3384 (finish_init): Likewise.
3385 (really_start_incremental_init): Likewise.
3386 (push_init_level): Likewise.
3387 (pop_init_level): Likewise.
3388 (output_init_level): Likewise.
3389 (output_pending_init_elements): Likewise.
3391 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
3393 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
3394 Improve error messages. Correct parsing of
3395 #pragma pack(pop [,id]). Do not check the user-supplied
3396 alignment if we're popping.
3398 * gcc.dg/pack-test-1.c: New test case.
3399 * gcc.dg/pack-test-2.c: New test case.
3400 * gcc.dg/pack-test-1.h: New file.
3402 2000-10-27 Neil Booth <neilb@earthling.net>
3406 2000-10-27 Kelley Cook <kelley.cook@home.com>
3408 * invoke.texi: Document -mintel-syntax
3410 2000-10-27 Richard Henderson <rth@redhat.com>
3412 * invoke.texi: Document -frename-registers. Add it to -O3.
3413 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
3414 (enum dump_file_index, dump_file): Update order.
3415 (main): Set flag_rename_registers at -O3.
3417 2000-10-27 Richard Henderson <rth@redhat.com>
3419 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
3420 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
3421 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
3422 * config/alpha/alpha.md (call_osf_1): Use it.
3423 (call_value_osf_1): Likewise.
3425 * config/ia64/ia64.c: Revert 10-23 patch.
3426 (ia64_hard_regno_rename_ok): New.
3427 * config/ia64/ia64-protos.h: Declare it.
3428 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
3430 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
3431 Richard Henderson <rth@redhat.com>
3433 * regrename.c: Rewrite to handle multi-register modes and
3434 cond_exec instructions.
3435 * Makefile.in (regrename.o): Update dependancies.
3436 * recog.h (struct operand_alternative): Add is_address.
3437 * recog.c (preprocess_constraints) [case 'p']: Set it.
3439 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
3441 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
3442 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
3443 top level. Kill oldstyle_subdirs. Do not include
3444 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
3445 $outputs. Do not run configure.lang from config.status.
3446 Rearrange warning-flag logic to correspond to what the
3447 makefile wants. Put special vax stage1 options in
3448 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
3449 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
3450 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
3451 switch is given, nothing otherwise.
3452 * configure.lang: Delete.
3454 * Makefile.in: Expunge all traces of extra_c_objs,
3455 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
3456 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
3457 warning options via a three level scheme so that -pedantic and
3458 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
3459 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
3460 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
3461 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
3462 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
3463 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
3464 generation rules. Wrap all rules that change the current
3465 directory in parentheses; pmake doesn't spawn a new shell for
3466 each command. Expunge all references to $(P). When one
3467 command depends on another and they're run all at once, use &&
3468 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
3469 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
3472 * objc/Make-lang.in: Wrap all rules that change the current
3473 directory in parentheses. Expunge all references to $(P).
3474 When one command depends on another and they're run all at
3475 once, use && to separate them, not ;. Add OUTPUT_OPTION to
3476 all object-file generation rules. Delete obsolete variables.
3477 * objc/Makefile.in: Delete.
3479 2000-10-27 Jakub Jelinek <jakub@redhat.com>
3481 * calls.c (expand_call): If sibcall_failure is set during pass 1,
3482 clear tail_call_insns as well.
3484 2000-10-27 Nick Clifton <nickc@redhat.com>
3486 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
3489 2000-10-26 Richard Henderson <rth@redhat.com>
3491 * calls.c (expand_call): Supress sibcall if we have a
3492 BLKmode return in registers.
3494 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
3496 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
3499 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
3501 * tree.c (make_node, case 't'): Set alignment to that of
3503 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
3505 2000-10-25 Mark Mitchell <mark@codesourcery.com>
3507 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
3508 * configure.in (enable-libstdcxx-v3): Arrange to have
3509 HAVE_LIBSTDCXX_V3 substituted into the output files.
3511 2000-10-25 Richard Henderson <rth@redhat.com>
3513 * recog.c (constrain_operands): Initialize which_alternative
3514 before no alternatives early exit.
3516 * cse.c (find_comparison_args): Check that we can reverse a
3517 comparison if needed before accepting the substitution.
3519 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
3521 * simplify-rtx.c (simplify_relational_operation): Sign extend
3522 low words before sign extending to high words.
3524 2000-10-25 Nick Clifton <nickc@redhat.com>
3526 * config/mcore/mcore.c: Include config.h before system.h.
3528 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
3530 * config/mcore/mcore.md (return): Force function epilogue to
3531 always be generated to work around epilogue suppression bug in
3534 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
3536 * c-decl.c (grokdeclarator): Move warning for qualified void
3537 return types with -pedantic to when the function type is
3538 constructed. At -W, warn in general for qualified function return
3539 types, except for volatile void.
3540 * invoke.texi: Document this new warning at -W.
3542 2000-10-25 Neil Booth <neilb@earthling.net>
3544 * cpp.texi: Update with implementation-defined behavior and
3547 2000-10-25 Jakub Jelinek <jakub@redhat.com>
3549 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
3550 incomplete type force it into alias set 0.
3552 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
3554 * alias.c: Include basic-block.h.
3555 (loop_p): New function.
3556 (mark_constant_function): Use it.
3557 * Makefile.in (alias.o): Update dependencies.
3559 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
3561 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
3564 2000-10-24 Jim Wilson <wilson@cygnus.com>
3566 * expmed.c (store_bit_field): Move integer pun code down after
3567 code that calls emit_move_insn for entire register move.
3568 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
3569 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
3571 2000-10-24 Richard Henderson <rth@cygnus.com>
3573 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
3574 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
3576 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
3578 * gcse.c (cprop_insn): do not propagate constants into jump_insn
3579 for machines with CC0 more than once.
3581 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
3583 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
3584 pseudos just like memory.
3586 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
3588 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
3589 when deleting libcall sequence collapsed to a single instruction.
3591 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
3593 * expr.c (do_store_flag): Don't crash if either side of a
3594 comparison is error_mark_node.
3596 2000-10-24 Jakub Jelinek <jakub@redhat.com>
3598 * sibcall.c (purge_mem_unchanging_flag): New function.
3599 (optimize_sibling_and_tail_recursive_calls): Call it.
3601 2000-10-24 Philipp Thomas <pthomas@suse.de>
3603 * Makefile.in (check-po): New target for doing checks in the po
3604 subdir if all languages configured.
3605 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
3606 configure if NLS is enabled.
3607 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
3608 otherwise leave empty.
3609 * configure: Regenerate.
3611 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
3613 * i386.c (print_operand): Handle new 'A' formatting code.
3614 387 opcodes need suffixes even with -mintel-syntax.
3615 Check for explicit size override (codes 'b', 'w' and 'k').
3616 (print_operand_address): Check if register prefix is needed when
3617 emitting `ds' segment override.
3618 * i386.h: Add comment about new 'A' formatting code.
3619 * i386.md (jump and call patterns): Emit absolute references using %A.
3621 2000-10-23 Richard Henderson <rth@cygnus.com>
3623 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
3624 output registers as fixed.
3625 (ia64_function_epilogue): Undo output fixation.
3627 2000-10-23 Richard Henderson <rth@cygnus.com>
3629 * config/alpha/alpha.md: Add names for all unnamed insns; use
3630 define_insn_and_split in some obvious places.
3632 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
3633 (zero_extendqisi2, zero_extendqidi2): Likewise.
3634 (zero_extendhisi2, zero_extendhidi2): Likewise.
3635 (abs splitters): Fix match_scratch operand number.
3636 (bcc_reverse): Swap pc & label instead of non-canonical compare.
3638 2000-10-23 Jim Wilson <wilson@cygnus.com>
3640 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
3642 * ia64.md (cmpsi_adjusted): Use %r3.
3643 (cmpdi_adjusted): Likewise.
3645 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
3647 * config/i386/att.h (ASM_FILE_START): Define.
3649 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
3651 * config/i386/linux.h (ASM_FILE_START): Define.
3653 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
3655 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
3656 since this (only) drags in a crt0.o reference that the .ld files
3659 2000-10-23 Geoff Keating <geoffk@cygnus.com>
3661 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
3662 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
3663 reloads just like an RELOAD_FOR_OUTPUT would.
3665 * local-alloc.c (update_equiv_regs): Add an abort(). When
3666 deleting or moving insns, update reg_equiv[regno].init_insns.
3668 2000-10-23 Mark Mitchell <mark@codesourcery.com>
3670 * c-tree.texi: Improve documentation for IF_STMTs and related
3671 conditional statements.
3673 2000-10-22 Mark Mitchell <mark@codesourcery.com>
3675 * expr.c (do_preexpand_calls): Remove.
3676 (same_from_p): Don't use CALL_EXPR_RTL.
3677 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
3678 (preexpand_calls): Remove.
3679 * tree.c (first_rtl_op): Remove CALL_EXPR case.
3680 (unsave_expr_1): Likewise.
3681 * tree.def (CALL_EXPR): Give it only two slots.
3682 * tree.h (CALL_EXPR_RTL): Remove.
3684 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
3686 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
3687 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
3690 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
3692 * calls.c (combine_pending_stack_adjustment_and_call): Don't
3693 adjust stack when unadjusted_alignment ends up as zero.
3695 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
3697 * fixinc/genfixes: Remove EGCS reference.
3698 * install.texi: Remove EGCS reference.
3699 * INSTALL: Regenerate.
3701 2000-10-22 Mark Mitchell <mark@codesourcery.com>
3703 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
3705 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
3707 * diagnostic.c: Remove EGCS reference in comment.
3709 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3711 * loop.c (strength_reduce): Fix error in last change.
3713 2000-10-20 David Edelsohn <edelsohn@gnu.org>
3715 * Makefile.in (SHLIB_NM_FLAGS): New.
3716 (libgcc.mk): Pass it.
3717 * mklibgcc.in (libgcc.map): Use it.
3719 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
3720 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
3722 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3724 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
3726 * sparc.c (load_pic_register): Delete unused varaible.
3728 * libgcc2.c (__addvsi3): Delete unused variable.
3730 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
3731 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
3732 __negvdi2): Prototype.
3734 * ssa.c (apply_delayed_renames): Avoid undefined operation.
3736 * toplev.c (display_target_options): Make static to match
3737 prototype. Delete empty declaration.
3739 2000-10-20 Tom Tromey <tromey@cygnus.com>
3741 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
3742 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
3744 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3746 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
3748 (expand_expr_unaligned, case ARRAY_REF): Check that index is
3749 a constant before comparing it; use tree_low_cst.
3750 * tree.c (save_expr): Set TREE_READONLY.
3751 (substitute_expr): Return inside of NON_LVALUE_EXPR.
3752 (build, build1): Set TREE_READONLY if all operands are.
3753 (build_index_type): If upper bound is a negative number, lower
3754 bound is zero and sizetype is unsigned, use upper bound of one and
3757 2000-10-20 David Edelsohn <edelsohn@gnu.org>
3759 * gcc.c (process_command, main): Use "because" instead of
3760 "since" in error messages.
3762 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3764 * stor-layout.c (compute_record_mode): Use tree_low_cst.
3765 Don't use mode of field for record unless sizes are the same.
3766 (layout_type, case ARRAY_TYPE): Remove special bounds handling
3767 previously added for Ada; also change to using host_integerp
3770 * loop.c (strength_reduce): Show when new register made for
3771 giv is known to be a pointer and its aligment if so and known.
3772 (loop_dump_aux): Show VERBOSE parameter unused.
3774 * gcse.c (set_hash_table_size): Now unsigned.
3775 * sdbout.c (template_name_p): Add "const" to avoid warnings.
3776 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
3777 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
3778 (sdbout_end_epilogue): Remove variable NAME.
3779 * system.h (getopt): Add default definition.
3780 * config/alpha/alpha.c (print_operand): Don't continue processing
3781 after issuing error.
3782 (summarize_insn): Avoid use of UL in constant.
3784 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
3786 * fold-const.c (force_fit_type): Unsigned values can overflow
3787 if they are sizetype.
3788 (int_const_binop): Don't use cache if overflows.
3790 2000-10-20 Richard Henderson <rth@cygnus.com>
3792 * function.c (locate_and_pad_parm): Zero alignment_pad.
3794 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
3795 perform substitutions, and apply_change_group to see if it worked.
3797 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3799 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
3801 * combine.c (struct undo): Change int to unsigned int.
3802 (do_SUBST_INT): Args are unsigned int.
3803 (make_extraction, force_to_mode): Use proper type when forming mask.
3804 (make_field_assignment): Likewise.
3806 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
3808 * c-common.c (check_format_info_recurse): Extract string constant
3809 initializers from non-volatile constant arrays and check them as
3811 * c-typeck.c (decl_constant_value): Don't check pedantic or check
3812 for DECL_MODE (decl) != BLKmode.
3813 (decl_constant_value_for_broken_optimization): New function which
3814 includes these checks.
3815 (default_conversion, convert_for_assignment, digest_init): Use
3816 decl_constant_value_for_broken_optimization instead of
3817 decl_constant_value.
3819 2000-10-20 Mark Mitchell <mark@codesourcery.com>
3821 * tree.h (DECL_ALIGN_UNIT): New macro.
3823 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
3825 * config/avr/avr-protos.h (avr_output_bld): New.
3826 (out_shift_with_cnt): Add t_len argument.
3827 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
3828 (output_movqi, output_movhi, output_movsisf): Optimize loading
3829 any constant with exactly one bit set to NO_LD_REGS.
3830 (out_shift_with_cnt): Optimize output code for size or speed,
3831 depending on optimize_size. Handle small shift counts as well
3832 (if not hand-optimized in ?sh??i3_out). Shifts can be done
3833 with or without a scratch register, with help of __tmp_reg__
3834 or __zero_reg__ if necessary. Add T_LEN argument to pass the
3835 length of TEMPLATE in words, return total insn length in *LEN.
3836 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
3837 out_shift_with_cnt to work with the above change.
3838 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
3839 lshrsi3_out): Likewise. Optimize more known shift count cases.
3840 Remove cases already well optimized in out_shift_with_cnt.
3841 (avr_output_bld): New function.
3842 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
3843 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
3844 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
3845 Add reload_completed to insn condition - only for peepholes.
3846 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
3847 in a register or memory.
3848 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
3849 Do not require a scratch register.
3850 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
3851 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
3852 Optimize shifts by known count using a scratch register, but only
3853 if one is still available after register allocation.
3855 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3857 * t-vax: New file. Don't build modules from libgcc1.c.
3859 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
3861 * alias.c: (mark_constant_function): Don't check pure functions.
3862 Initialize and end alias analysis.
3863 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
3864 Don't make a special exception for recursion. Handle
3865 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
3866 unless it's volatile.
3868 * local-alloc.c (equivalence): New structure.
3869 (reg_equiv): Define.
3870 (contains_replace_regs): Remove array and use
3872 (memref_referenced_p): Likewise.
3873 (no_equiv): Likewise.
3874 (update_equiv_regs): Likewise.
3876 (equiv_init_varies_p,
3877 equiv_init_movable_p): New functions.
3878 (update_equiv_regs): Use them. Use rtx_varies_p
3879 instead of function_invariant_p. Process insns
3880 from end to beginning. Allow a REG_EQUIV insn
3881 within the same loop as a use to be moved, also
3882 allow it to be moved out of a loop. Update
3883 REG_DEAD notes when substituting into an insn.
3885 2000-10-19 Jim Wilson <wilson@cygnus.com>
3887 * c-decl.c (start_decl): Check for error_mark_node type before using
3889 (finish_decl): Likewise. Don't give an error if decl type is
3890 already error_mark_node.
3892 * haifa-sched.c (compute_trg_info): Add explanatory comments.
3893 New local update_blocks. Use update_blocks to remove duplicates
3894 when computing update blocks. Check for bblst_table overflow.
3895 (schedule_block): Add explanatory comment. Reduce bblst_size by
3897 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
3900 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
3902 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
3904 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
3906 * expmed.c: Minor corrections in comments.
3907 * invoke.texi: Added desciption for the new option -ftrapv.
3909 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
3911 * libgcc2.c: Added the missing #endif.
3913 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
3915 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
3917 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
3919 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
3920 Use smulv_optab for -ftrapv.
3921 (expand_mult_highpart): Use unsigned multiply.
3922 (expand_divmod): Special-case division by -1.
3923 For EXACT_DIV_EXPR, do right shift first, then the multiply.
3924 For complex divide, use abs with unsigned result.
3925 * expr.c (force_operand): Use unsigned multiply.
3926 (expand_expr): Use overflow-trapping optabs for signed types if
3928 If flag_trapv, don't generate a recursive call with EXPAND_SUM
3929 if the type is signed and the original call wasn't EXPAND_SUM or
3931 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
3932 (negv_optab, absv_optab): Declare.
3933 * flags.h (flag_trapv): Declare.
3934 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
3935 smulv_optab, sdivv_optab, negv_optab and absv_optab.
3936 (gen_insn): Interpret '$P' as requiring an integer mode,
3937 including partial integer modes.
3938 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
3939 (product_cheap_p): Use unsigned expand_mult.
3940 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
3941 (negv_optab, absv_optab): Define.
3942 (expand_binop): Use overflow-trapping optabs for signed types if
3944 Handle negv_optab libe neg_optab.
3945 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
3946 Use overflow-trapping optabs for signed result if flag_trapv.
3947 (expand_complex_abs): Use overflow-trapping optabs for signed types if
3949 Don't open-code complex absolute-value operation for flag_trapv.
3950 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
3951 sdivv_optab, negv_optab and absv_optab.
3952 * toplev.c (flag_trapv): Define.
3953 (lang_independent_options f_options): Include flag_trapv.
3954 * tree.h (TYPE_TRAP_SIGNED): Define.
3955 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
3956 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
3958 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
3959 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
3961 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
3962 David V. Henkel-Wallace <gumby@cygnus.com>
3964 * config/i386/t-netware: Bring in from the Red Hat tree.
3965 * config/i386/netware.h: Likewise.
3966 * config/netware.h: Likewise.
3967 * config/rs6000/netware.h: Delete.
3968 * configure.in: Add i[34567]86-*-netware.
3969 * configure: Hand-edit to match configure.in change.
3971 2000-10-18 Mark Mitchell <mark@codesourcery.com>
3973 * c-common.h (flag_no_builtin): Declare.
3974 (flag_no_nonansi_builtin): Likewise.
3975 (c_common_nodes_and_builtins): Change prototype.
3976 * c-common.c (flag_no_builtin): New variable.
3977 (flag_no_nonansi_builtin): Likewise.
3978 (c_common_nodes_and_builtins): Remove parameters. Adjust
3980 * c-decl.c (flag_no_builtin): Remove.
3981 (flag_no_nonansi_builtin): Likewise.
3982 (init_decl_processing): Adjust call to
3983 c_common_nodes_and_builtins.
3985 2000-10-18 Marc Espie <espie@openbsd.org>
3987 * tm.texi (LIBGCC_SPEC): Synch with reality.
3989 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
3991 * c-common.c (check_format_types): Check for writing through a
3992 NULL pointer argument.
3994 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
3996 * tm.texi (Exception Region Output): Document
3997 DWARF_CIE_DATA_ALIGNMENT.
3998 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
4000 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
4001 DWARF_CIE_DATA_ALIGNMENT.
4003 2000-10-18 Michael Hayes <mhayes@cygnus.com>
4005 * basic-block.h (struct loop): Delete fields pre_header_root
4006 and pre_header_trace and replace with pre_header_edges
4007 and num_pre_header_edges.
4008 * flow.c (flow_loop_dump): Dump pre_header_edges.
4009 (flow_loops_free): Free pre_header_edges.
4010 (flow_loop_pre_header_scan): Calculate pre_header_edges.
4012 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4014 * contrib.texi: Update references to steering committee members
4015 and Jeff Law's entry.
4017 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
4019 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
4020 (maybe_read_dollar_number, check_format_info_main): Use them for
4021 pedantic warning messages.
4023 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
4025 * c-common.c (check_format_info_main): Minor cleanup: move
4026 variables into inner scopes; initialize declarations where
4027 appropriate; don't hardcode "scanf" name on warning for zero
4030 2000-10-17 Mark Mitchell <mark@codesourcery.com>
4032 * c-common.c (back_end_hook): New variable.
4033 * c-common.h (back_end_hook): Declare it.
4034 * c-lang.c (finish_file): Use it.
4036 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
4039 2000-10-18 Jan Hubicka <jh@suse.cz>
4041 * i386.c (ix86_comparison_operator, put_condition_code,
4042 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
4043 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
4044 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
4045 * i386.md (adddi and negdi splitter): Use CCRCmode.
4046 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
4047 (subsi3_carry): add '*'
4048 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
4049 (cmp to add peep2): Use CCRCmode; swap operands.
4051 2000-10-18 Kazu Hirata <kazu@hxi.com>
4053 * h8300.c: Fix a comment typo.
4054 (round_frame_size): New.
4055 (compute_saved_regs): Likewise.
4058 (push_order): Remove.
4059 (pop_order): Likewise.
4060 (function_prologue): Rearrange code for readability.
4061 (function_epilogue): Likewise.
4063 * config/h8300/h8300.md: Remove an unnecessary sign_extend
4064 expander that is used when not optimizing. Output a tab after
4065 each assembly insns.
4067 * reorg.c: Fix formatting.
4069 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
4071 * reload1.c (move2add_note_store): Check for simple
4072 auto-inc in destination.
4074 2000-10-17 Michael Chastain <chastain@redhat.com>
4076 * config/i386/i386-aout.h: define INT_ASM_OP.
4078 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
4080 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
4082 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
4084 * i370.md: Fix spelling typo.
4086 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4088 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
4089 Fixes execute/20001017-1.c on powerpc-linux-gnu.
4091 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
4092 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
4095 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
4096 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
4098 * rs6000/aix.h: ...to here.
4099 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
4101 2000-10-17 Jakub Jelinek <jakub@redhat.com>
4103 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
4105 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
4106 sure linker can relax even the delay slot mov %g1,%o7, fix output
4109 2000-10-17 Kazu Hirata <kazu@hxi.com>
4111 * config/h8300/h8300.md: Remove an unnecessary zero_extend
4112 expander that is used when not optimizing. Output a tab after
4113 each assembly insns.
4115 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
4117 * gcc.c: New options --target-help.
4118 (process_command): Added code to parse this new option.
4119 * toplev.c (display_target_options): New function to support the
4121 * cppinit.c (new_pending_directive) : New option OPT_target__help.
4122 (cpp_handle_option): Support this new option.
4123 * invoke.texi: Added notes about --target-help option.
4125 2000-10-17 Graham Stott <grahams@redhat.com>
4127 * config/i386/i386.md (testqi_1): Add missing operand prefix
4129 * config/i386/i386-protos.h: Add missing prototype.
4131 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
4133 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
4134 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
4135 using -mintel-syntax.
4137 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
4139 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
4140 (format_types): Use it for printf.
4141 (maybe_read_dollar_number): Add parameter for the kind of format
4142 involved. Warn for multiple use for arguments if this is
4143 inappropriate for the kind of format involved.
4144 (check_format_info_main): Update calls to maybe_read_dollar_number.
4146 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4148 * inclhack.def (hpux_maxint): Also apply fix to values.h.
4149 * fixincl.x: Rebuilt.
4151 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
4153 * genrecog.c (write_switch): Return the first condition that needs a
4156 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
4158 * c-tree.h (warn_sequence_point): Move declaration to...
4159 * c-common.h (warn_sequence_point): ... here.
4160 * c-decl.c (warn_sequence_point): Move definition to...
4161 * c-common.c (warn_sequence_point): ... here.
4162 (struct reverse_tree): New.
4163 (reverse_list, reverse_max_depth): New static variables.
4164 (build_reverse_tree, common_ancestor, modify_ok
4165 verify_sequence_points): New functions.
4166 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
4167 * c-typeck.c (check_modify_expr): Delete.
4168 (build_modify_expr): Don't call it.
4170 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
4172 * c-common.h (warn_missing_format_attribute): New variable.
4173 * c-decl.c (warn_missing_format_attribute): New variable.
4174 (c_decode_option): Decode -Wmissing-format-attribute and
4175 -Wno-missing-format-attribute.
4176 * c-common.c (check_function_format): If
4177 -Wmissing-format-attribute, give a warning where a vprintf or
4178 vscanf function is called by a function without its own printf or
4180 * toplev.c (documented_lang_options): Add
4181 -Wmissing-format-attribute.
4182 * invoke.texi: Document -Wmissing-format-attribute.
4184 2000-10-17 Marc Espie <espie@openbsd.org>
4186 * invoke.texi (-shared): Insist on requiring code generation flags
4187 to be used along with -shared, and document the subtle failure that
4188 may occur otherwise.
4190 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4192 * pa.md (return_internal): Move `use' after `return'.
4194 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4196 * machmode.def: Correct comment.
4198 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
4200 * print-rtl.c (print_rtx_head): Constify.
4201 * rtl.h (print_rtx_head): Similarly.
4203 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
4204 Constify char * return value.
4206 (output_64bit_and, output_64bit_ior): Constify char * return value.
4207 (pa_can_combine_p): Make static.
4208 (function_arg): Decorate unused `named' argument. Fix comment typo.
4209 (function_arg_partial_nregs): Decorate unused `named' argument.
4211 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
4213 * c-common.c (format_check_results): New structure.
4214 (finish_dollar_format_checking): Adjust to take a
4215 format_check_results * parameter.
4216 (check_format_info, check_format_info_recurse,
4217 check_format_info_main): Split check_format_info into three
4218 functions, the main checking going in check_format_info_main.
4219 Recurse when any reduction of the format string argument towards a
4220 string literal is done; go down both branches of a conditional
4221 expression. Don't warn for extra format arguments or empty format
4222 strings if they only occur in some branches of a conditional
4225 2000-10-16 Kazu Hirata <kazu@hxi.com>
4227 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
4229 2000-10-16 Jakub Jelinek <jakub@redhat.com>
4231 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
4233 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
4235 * i386.md (*movsi_or): Switch operand order for intel syntax.
4237 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
4241 * gcc.texi (Contributing): Update.
4243 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
4245 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
4246 appropriate assembler dialect.
4248 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
4250 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
4252 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
4254 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
4255 constants 1 and 2 to NO_LD_REGS.
4257 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4259 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
4261 * objc/Make-lang.in (objc-parse.c): Likewise.
4263 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
4265 * arm.c: Include obstack.h
4266 (minipool_obstack, minipool_startobj): Define.
4267 (arm_add_gc_roots): Initialize them.
4268 (create_fix_barrier): Use our new obstack.
4269 (push_minipool_barrier, push_minipool_fix): Likewise.
4270 (arm_reorg): Release obstack memory.
4272 2000-10-13 Jakub Jelinek <jakub@redhat.com>
4274 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
4275 (prologue, exception_receiver, builtin_setjmp_receiver): New
4277 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
4278 * config/sparc/sparc-protos.h (finalize_pic): Remove.
4279 (load_pic_register): New prototype.
4280 * config/sparc/sparc.c (pic_setup_code): Remove.
4281 (finalize_pic): Rename to...
4282 (load_pic_register): ...this function.
4283 Don't look for nonlocal_goto_receivers and emit pic setup code
4284 directly. Don't check current_function_uses_pic_offset_table.
4286 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
4288 * tree.h (struct obstack): Declare.
4290 2000-10-12 Mark Mitchell <mark@codesourcery.com>
4293 * Makefile.in (ggc-callbacks.o): Remove target.
4294 (flow.o): Depend on GGC_H.
4295 * alias.c (init_alias_analysis):
4296 Remove ggc_p conditionals.
4297 (end_alias_analysis): Likewise.
4298 * basic-block.h (init_flow): New function.
4299 (allocate_reg_life_data): Declare.
4300 * bb-reorder.c (function_obstack): Replace with ...
4301 (flow_obstack): ... new variable.
4302 (fixup_reorder_chain): Use it.
4303 * c-decl.c (ggc_p): Remove.
4304 (caller-save.c): Don't call oballoc/obfree.
4306 undobuf): Remove storage.
4307 (try_combine): Don't call oballoc.
4308 (undo_all): Don't call obfree.
4309 * cse.c (insert): Use xmalloc, not
4311 (cse_main): Adjust accordingly.
4312 * dwarf2out.c (save_rtx): Remove
4314 (dwarf2out_init): Remove ggc_p conditionals.
4315 * emit-rtl.c (rtl_obstack): Remove.
4316 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
4317 (make_insn_raw): Likewise.
4318 (emit_insn_before): Likewise.
4319 (emit_insn_after): Likewise.
4320 (emit_insn): Likewise.
4321 (gen_sequence): Likewise.
4322 (copy_insn_1): Remove handling of `b' RTL components.
4323 (init_emit_once): Remove ggc_p conditionals.
4324 * except.c (create_rethrow_ref): Don't fool with obstacks.
4325 (add_partial_entry): Likewise.
4326 (call_get_eh_context): Likewise.
4327 (begin_protect_partials): Likewise.
4328 (protect_with_terminate): Likewise.
4330 (plus_constant_wide): Likewise.
4331 * expr.c (init_expr_once):
4333 (emit_block_move): Likewise.
4334 (clear_storage): Likewise.
4335 (expand_expr): Likewise.
4336 * flow.c (function_obstack): Remove.
4337 (flow_obstack): New variable.
4338 (flow_firstobj): Likewise.
4339 (create_base_block): Use the flow_obstack.
4340 (split_block): Likewise.
4341 (split_edge): Likewise.
4342 (calculate_global_regs_live): Likewise.
4343 (allocate_bb_life_data): Make it static. Likewiwse.
4344 (init_flow): New function.
4345 (size_int_type_wide): Remove ggc_p conditionals.
4347 (push_function_context_to): Don't call save_tree_status.
4348 (pop_function_context_from): Or restore_tree_status.
4349 (assign_stack_local_1): Don't call push_obstacks.
4350 (find_fixup_replacement): Use xmalloc.
4351 (fixup_var_refs_insns): Free the storage.
4352 (insns_for_mem_walk): Don't mess with obstacks.
4353 (instantiate_decls): Likewise.
4354 (trampoline_address): Likewise.
4355 (expand_function_end): Likewise.
4356 * function.h (sturct function):
4357 Remove obstack-related variables.
4358 (save_tree_status): Don't declare.
4359 (restore_tree_status): Likewise.
4360 * gcse.c (compute_can_copy):
4361 Don't call oballoc/obfree.
4362 * genattrtab.c (operate_exp): Remove
4364 (simplify_cond): Likewise.
4365 (simplify_test_exp): Don't mess with obstacks.
4366 (optimize_attrs): Likewise.
4367 * gengenrtl.c (gendef): Don't include
4369 * ggc-callbacks.c (ggc_p): Remove.
4370 * ggc-none.c (ggc_p): Remove.
4371 * ggc.h (ggc_p): Don't declare.
4372 * integrate.c (save_for_inline): Don't mess with obstacks.
4373 (integrate_decl_tree): Likewise.
4374 (output_inline_function): Likewise.
4376 (init_EXPR_INSN_LIST_cache): Likewise.
4377 * loop.c (temp_obstack):
4379 (rtl_obstack): Likewise.
4380 (init_loop): Don't mess with obstacks.
4381 (reg_address_cost): Free BIVs and GIVs.
4382 (check_insns_for_bivs): Use xmalloc, not oballoc.
4383 (find_mem_givs): Likewise.
4384 (record_biv): Likewise.
4385 (general_induction_var): Likewise.
4386 (product_cheap_p): Likewse.
4387 * optabs.c (init_one_libfunc): Remove
4389 * print-tree.c (debug_tree): Don't use
4391 (print_node): Likewise.
4392 * profile.c (output_func_start_profiler):
4393 Remove call to temporary_allocation.
4395 (eliminate_regs_in_insn): Don't mess with obstacks.
4397 (mark_target_live_regs): Use xmalloc.
4398 (free_resource_info): Free the memory.
4399 * rtl.c (rtl_obstack):
4401 (rtvec_alloc): Don't mess with obstacks.
4402 (rtx_alloc): Likewise.
4404 (copy_rtx): Don't handle `b' cases.
4405 (read_rtx): Use a local rtl_obstack.
4406 * rtl.h (oballoc): Remove.
4408 (pop_obstacks): Likewise.
4409 (push_obstacks): Likewise.
4410 (allocate_bb_life_data): Likewise.
4411 (allocate_reg_life_data): Likewise.
4412 (rtx_free): Likewise.
4413 * sdbout.c (sdbout_queue_anonymous_type):
4414 Use tree_cons, not saveable_tree_cons.
4416 (cselib_init): Don't mess with obstacks.
4418 (mark_block_nesting): Mark the label_chain.
4419 (epxand_label): Use ggc_alloc, not oballoc.
4420 (clear_last_expr): Don't mess with obstacks.
4421 (expand_decl_cleanup): Likewise.
4422 (expand_dcc_cleanup): Likewise.
4423 (expand_dhc_cleanup): Likewise.
4424 (expand_anon_union_decl): Likewise.
4425 (add_case_node): Use xmalloc, not oballoc.
4426 (free_case_nodes): New function.
4427 (expand_end_case): Call it.
4428 * stor-layout.c (layout_type): Don't
4430 (layout_type): Likewise.
4431 * toplev.c (wrapup_global_declarations):
4433 (compile_file): Remove ggc_p conditionals.
4434 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
4435 (decode_f_option): Remove ggc_p conditionals.
4437 (function_maybepermanent_obstack): Remove.
4438 (maybepermanent_obstack): Likewise.
4439 (function_obstack): Likewise.
4440 (tmeporary_obstack): Likewise.
4441 (momentary_obstack): Likewise.
4442 (temp_decl_obstack): Likewise.
4443 (saveable_obstack): Likewise.
4444 (rtl_obstack): Likewise.
4445 (current_obstack): Likewise.
4446 (expression_obstack): Likewise.
4447 (struct obstack_stack): Likewise.
4448 (obstack_stack): Likewise.
4449 (obstack_stack_obstack): Likewise.
4450 (maybepermanent_firstobj): Likewise.
4451 (temporary_firstobj): Likewise.
4452 (momentary_firstobj): Likewise.
4453 (temp_decl_firstobj): Likewise.
4454 (momentary_function_firstobj): Likewise.
4455 (all_types_permanent): Likewise.
4456 (struct momentary_level): Likewise.
4457 (momentary_stack): Likewise.
4458 (init_obstacks): Remove initialization of removed obstacks.
4459 (save_tree_status): Remove.
4460 (restore_tree_status): Likewise.
4461 (temporary_allocation): Liekwise.
4462 (end_temporary_allocation): Liekwise.
4463 (resume_temporary_allocation): Likewise.
4464 (saveable_allocation): Likewise.
4465 (push_obstacks): Likewise.
4466 (push_obstacks_nochange): Likewise.
4467 (pop_obstacks): Likewise.
4468 (allocation_temporary_p): Likewise.
4469 (permanent_allocation): Likewise.
4470 (preserve_data): Likewise.
4471 (preserve_initializer): Likewise.
4472 (rtl_in_current_obstack): Likewise.
4473 (rtl_in_saveable_obstack): Likewise.
4474 (oballoc): Likewise.
4476 (savealloc): Likewise.
4477 (expralloc): Likewise.
4478 (print_obstack_name): Likewise.
4479 (debug_obstack): Likewise.
4480 (object_permanent_p): Likewise.
4481 (push_momentary): Likewise.
4482 (perserve_momentary): Likewise.
4483 (clear_momentary): Likewise.
4484 (pop_momentary): Likewise.
4485 (pop_momentary_nofree): Likewise.
4486 (suspend_momentary): Likewise.
4487 (resume_momentary): Likewise.
4488 (make_node): Don't set TREE_PERMANENT.
4489 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
4490 Don't set TREE_PERMANENT.
4491 (get_identifier): Remove ggc_p conditionals.
4492 (build_string): Likewise.
4493 (make_tree_vec): Likewise.
4494 (build_decl_list): Remove.
4495 (build_expr_list): Likewise.
4496 (tree_cons): Remove ggc_p conditionals.
4497 (decl_tree_cons): Remove.
4498 (expr_tree_cons): Likewise.
4499 (perm_tree_cons): Likewise.
4500 (temp_tree_cons): Likewise.
4501 (saveable_tree_cons): Likewise.
4502 (build1): Remove ggc_p conditionals.
4503 (build_parse_node): Likewise.
4504 (build_type_attribute_variant): Don't mess with obstacks.
4505 (build_type_copy): Likewise.
4506 (type_hash_canon): Likewise.
4507 (build_pointer_type): Likewise.
4508 (build_reference_type): Likewise.
4509 (build_index_type): Likewise.
4510 (build_range_type): Likewise.
4511 (dump_tree_statistics): Don't print obstack information.
4513 (struct tree_common): Remove permanent_flag.
4514 (TREE_PERMANENT): Remove.
4515 (TREE_SET_PERMANENT): Likewise.
4516 (TYPE_OBSTACK): Likewise.
4517 (struct tree_type): Remove obstack.
4519 (savealloc): Likewise.
4520 (build_decl_list): Likewise.
4521 (build_expr_list): Likewise.
4522 (perm_tree_cons): Likewise.
4523 (temp_tree_cons): Likewise.
4524 (saveable_tree_cons): Likewise.
4525 (decl_tree_cons): Likewise.
4526 (expr_tree_cons): Likewise.
4527 (suspend_momentary): Likewise.
4528 (allocation_temporary_p): Likewise.
4529 (resume_momentary): Likewise.
4530 (push_obstacks_nochange): Likewise.
4531 (permanent_allocation): Likewise.
4532 (push_momentary): Likewise.
4533 (clear_momentary): Likewise.
4534 (pop_momentary): Likewise.
4535 (end_temporary_allocation): Likewise.
4536 (pop_obstacks): Likewise.
4537 (push_obstacks): Likewise.
4538 (pop_momentary_nofree): LIkewise.
4539 (preserve_momentary): Likewise.
4540 (saveable_allocation): Likewise.
4541 (temporary_allocation): Likewise.
4542 (resume_temporary_allocation): Likewise.
4543 (perserve_initializer): Likewise.
4544 (debug_obstack): Likewise.
4545 (rtl_in_current_obstack): Likewise.
4546 (rtl_in_saveable_obstack): Likewise.
4548 * varasm.c (current_obstack): Remove.
4549 (saveable_obstack): Remove.
4550 (rtl_obstack): Remove.
4551 (immed_double_const): Don't mess with obstacks.
4552 (immed_real_cons): Likewise.
4553 (output_constant_def): Likewise.
4554 (init_varasm_status): Use xcalloc.
4555 (mark_pool_constant): Mark the pool constant itself.
4556 (free_varasm_status): Free memory.
4557 (decode_rtx_const): Call bzero directly, rather than expanding it
4559 (record_rtx_const): Don't mess with obstacks.
4560 (force_const_mem): Likewise.
4561 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
4563 (aof_pic_entry): Likewise.
4564 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
4565 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
4566 * config/pa/pa.c (saveable_obstack): Remove.
4567 (rtl_obstack): Likewise.
4568 (current_obstack): Likewise.
4569 (output_call): Don't mess with obstacks.
4570 (hppa_encode_label): Remove ggc_p conditionals.
4571 * config/romp/romp.c (get_symref): Don't mess with obstacks.
4572 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
4573 (rs6000_encode_section_info): Likewise.
4574 * config/sh/sh.c (get_fpscr_rtx): Likewise.
4576 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
4578 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
4579 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
4580 (addsi3_carry): Canonicalize.
4581 (addqi_5): Remove '*'.
4582 (sbb pattern): Canonicalize.
4584 * i386.md (cmp to inc/add peep2): New.
4586 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
4588 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
4591 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
4593 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
4594 * README.TRAD, TESTS.FLUNK: Remove.
4596 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
4598 * c-common.c (decl_attributes): Don't allow strftime formats with
4599 first_arg_num nonzero.
4600 (check_format_info): Set wanted_type and wanted_type_name to zero
4601 before they are possibly assigned and used.
4603 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
4605 * c-common.c (scanf_flag_specs): Add flags ' and I.
4606 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
4607 or the ^ and # flags together.
4608 (scan_char_table): Handle the ' and I flags.
4609 (format_types): Add ' and I flags for scanf.
4611 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
4613 * c-common.c (print_char_table): Use the unpromoted type for
4614 lengths "h" and "hh" with conversions dioxXu.
4615 (check_format_types): Apply the default argument promotions where
4616 the wanted type is not a pointer target.
4618 2000-10-11 Michael Meeks <mmeeks@gnu.org>
4619 Joseph S. Myers <jsm28@cam.ac.uk>
4621 * c-typeck.c (check_modify_expr): New function.
4622 (build_modify_expr): Call it if warn_sequence_point.
4623 * c-decl.c (warn_sequence_point): New variable.
4624 (c_decode_option): Handle -Wsequence-point and
4625 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
4626 * c-tree.h (warn_sequence_point): Declare.
4627 * invoke.texi (-Wsequence-point): Document.
4628 * toplev.c (documented_lang_options): Add -Wsequence-point and
4629 -Wno-sequence-point.
4630 Original work by Michael Meeks, 16 Jun 1998.
4632 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4634 * tree.c (get_narrower): Don't look at precision of field if
4637 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
4639 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
4640 declaration for data with "progmem" attribute.
4642 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
4644 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
4645 Correct insn length if shift count is a memory operand.
4646 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
4647 (*iorhi3_clobber): Change lo8 to hi8.
4648 (zero_extendhisi2): Change %B0 to %A1.
4649 (ashlhi3, ashrhi3): Correct insn length.
4650 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
4651 from "clobber" to "set_n" in some alternatives.
4653 2000-10-10 Jakub Jelinek <jakub@redhat.com>
4655 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
4656 remove its insn_chain structure as well.
4658 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4660 * dbxout.c (dbxout_source_line): Remove extra tab.
4662 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
4664 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
4666 2000-10-09 Richard Henderson <rth@cygnus.com>
4668 * Makefile.in (LANG_LIB2FUNCS): Remove.
4669 (LIB2FUNCS): Remove _pure.
4670 (LIB2ADD): Remove LANG_LIB2FUNCS.
4671 (stage_a): Don't set LANG_LIB2FUNCS.
4672 * libgcc2.c (__terminate): Mark noreturn.
4673 (__pure_virtual): Remove.
4674 * mklibgcc.in: Remove LIB2ADD .txt processing.
4676 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
4678 * arm.md (push_multi): Revert unintended change.
4680 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
4682 * arm.c: Miscellaneous white space and comment clean-ups. No
4686 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4688 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
4689 STRING_CST by calling combine_strings.
4691 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
4693 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
4694 (thumb_output_move_mem_multiple): Support new insn format.
4695 * arm.md (movmem12b): Use SSA compatible format.
4696 (movmem8b): Likewise.
4698 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
4700 * arm.md (predicable): New attribute, default to "no".
4701 (all patterns): Mark as predicable if appropriate.
4702 (conditional execution splits): Split using predication format.
4703 (define_cond_exec): Define.
4704 * arm.c (arm_print_operand): handle insn predicate.
4706 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4708 * README.NS32K: Remove file.
4710 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4712 * README-bugs: Remove file.
4714 2000-10-08 Philipp Thomas <pthomas@suse.de>
4715 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
4717 * configure: Rebuilt.
4719 2000-10-08 Philipp Thomas <pthomas@suse.de>
4720 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
4721 disable catalog building if no suitable program was found.
4722 Move warning message from here
4723 (AM_GNU_GETTEXT): To here.
4724 * configure: Rebuilt.
4726 2000-10-08 Philipp Thomas <pthomas@suse.de>
4727 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
4728 different cache variables.
4729 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
4730 uses different cache variables.
4731 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
4732 * configure: Regenerated.
4734 2000-10-08 Richard Henderson <rth@cygnus.com>
4736 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
4737 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
4738 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
4741 * config/t-linux (SHLIB_EXT): New.
4742 (SHLIB_LINK): Use the entire build command, with substitutions.
4743 (SHLIB_LIBS): Remove.
4744 * config/alpha/t-osf4: Likewise.
4745 * config/mips/t-iris6: Likewise.
4746 * config/sparc/t-sol2: Likewise, but move shlib stuff...
4747 * config/sparc/t-slibgcc-sld: ...here.
4748 * config/sparc/t-slibgcc: New file.
4750 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
4752 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
4753 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
4755 (intmax_type_node, uintmax_type_node): Define.
4756 * c-common.c (decl_attributes): If pedantic, warn if `mode'
4757 attributes create a type wider than intmax_t.
4758 (T_IM, T_UIM): Define properly.
4759 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
4761 (init_decl_processing): Initialize intmax_type_node and
4763 * c-lex.c (lex_number): When pedantic and warning for integer
4764 constants that are too large, in C99 mode warn for those that have
4765 a type wider than long long.
4767 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
4769 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
4770 FMT_FLAG_FANCY_PERCENT_OK): Define.
4771 (format_char_info): Add flag "4" to comment.
4772 (format_flag_spec, format_flag_pair): New structures.
4773 (format_kind_info): Add additional fields to control format
4775 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
4776 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
4778 (time_char_table): Use "4" flag to handle %Ey.
4779 (format_types): Add entries for new fields.
4780 (get_flag_spec): New function.
4781 (check_format_info): Increase size of flag_chars[] to 256.
4782 Control format checking using the new fields of a format_kind_info
4783 and the new tables; remove all conditionals on printf_format_type,
4784 scanf_format_type or strftime_format_type. Handle all details of
4785 bad combinations of flags (including width, precision and strftime
4786 modifiers) through data rather than ad hoc code. Handle all
4787 details of standard versions in which flags appeared through
4788 data. Use the "4" flag.
4790 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
4792 * config/h8300/h8300.md: Remove the memory alternative and correct
4793 the insn lengths in the templates for sign extention and zero
4796 2000-10-07 Richard Henderson <rth@cygnus.com>
4798 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
4799 * flow.c (make_edges): Revert last change.
4801 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
4803 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
4805 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
4807 * config/alpha/elf.h: Standardize the formatting.
4809 2000-10-06 David O'Brien <obrien@FreeBSD.org>
4811 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
4814 2000-10-06 Richard Henderson <rth@cygnus.com>
4816 * function.c (diddle_return_value): Examine
4817 current_function_return_rtx instead of the DECL_RESULT.
4818 (expand_function_end): Handle reloading DECL_RESULT from memory
4819 into a hard register. Query promote_mode for sign of mismatched
4822 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
4824 * haifa-sched.c (schedule_insns): Fix typo in freeing
4825 forward_dependency_cache.
4827 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
4829 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
4830 `TARGET_SH2' as a condition.
4832 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
4834 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
4835 forward_dependency_cache): New variables.
4836 (add_dependence, remove_dependence): Use anti_dependency_cache and
4837 output_dependency_cache.
4838 (compute_block_forward_dependences): Use forward_dependency_cache.
4839 (schedule_insns): Allocate and free memory for anti/output/forward
4840 dependencies caches.
4842 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
4844 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
4845 `! TARGET_SH1'. Reindent.
4847 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4849 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
4850 Move functions from here ...
4852 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
4854 (c_expand_builtin): New function.
4855 (init_function_format_info): Don't set `check_function_format_ptr'.
4856 (c_common_nodes_and_builtins): Set built_in_class type for
4857 printf/__builtin_printf to BUILT_IN_FRONTEND.
4858 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
4860 * c-common.h (build_function_call): Declare.
4862 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
4863 to `lang_expand_expr' rather than `expand_builtin'.
4865 * tree.c (check_function_format_ptr): Delete.
4867 * tree.h (check_function_format_ptr): Likewise.
4869 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
4871 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
4872 DW_OP_bregx when cfa->reg > 31.
4874 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
4877 2000-10-05 Richard Henderson <rth@cygnus.com>
4879 * c-decl.c (warn_missing_noreturn): Remove.
4880 (c_expand_body): Don't set or check can_reach_end.
4881 * c-tree.h (warn_missing_noreturn): Move ...
4882 * flags.h: ... here.
4883 (can_reach_end): Remove.
4884 * flow.c (check_function_return_warnings): New.
4885 (make_edges): No edge to exit for noreturn sibcalls.
4886 * function.c (expand_function_end): Save the return value
4887 clobber instruction.
4888 (mark_function_status): Mark it.
4889 * function.h (struct function): Add x_clobber_return_insn.
4890 * jump.c (can_reach_end): Remove.
4891 (calculate_can_reach_end): Remove.
4892 (jump_optimize_1): Don't call it.
4893 * output.h (check_function_return_warnings): Declare.
4894 * toplev.c (warn_missing_noreturn): Move from c-decl.c
4895 (rest_of_compilation): Call check_function_return_warnings.
4897 2000-10-05 Richard Henderson <rth@cygnus.com>
4899 * Makefile.in (NM_FOR_TARGET): New.
4900 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
4901 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
4902 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
4903 shared library build on that and EXTRA_MULTILIB_PARTS.
4904 * mkmap-flat.awk: New file.
4905 * mkmap-symver.awk: New file.
4906 * libgcc-std.ver: New file.
4907 * config/libgcc-glibc.ver: New file.
4908 * config/ia64/libgcc-ia64.ver: New file.
4909 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
4910 (SHLIB_LINK): Add --version-script.
4911 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
4912 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
4913 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
4914 (SHLIB_LINK): Add -M.
4916 2000-10-05 Richard Henderson <rth@cygnus.com>
4918 * Makefile.in (LIB2FUNCS): Add _clz.
4919 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
4920 (__clz_tab): Put in its own unit, non-static.
4921 * libgcc2.h: Always include longlong.h.
4923 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
4924 a zero instead of -1.
4925 (count_trailing_zeros): Likewise.
4927 2000-10-05 Richard Henderson <rth@cygnus.com>
4929 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
4930 when second op1 is const0_rtx. Validate op0 as a register.
4931 * config/alpha/alpha.md (setcc_internal): Don't allow constants
4932 in the first argument of the compare.
4933 (setcc_swapped_internal): Likewise.
4934 (setne_internal): Likewise.
4936 2000-10-05 Geoff Keating <geoffk@cygnus.com>
4938 * tree.c (tree_size): New function split out of copy_node.
4939 (make_node): Remove obstack handling. Use tree_size.
4940 (copy_node): Use tree_size.
4941 * tree.h: Prototype tree_size.
4943 2000-10-05 Richard Henderson <rth@cygnus.com>
4945 * diagnostic.c (output_format): Add missing break.
4947 2000-10-05 Jim Wilson <wilson@cygnus.com>
4949 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
4950 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
4951 sequence insn to INSN, and delete last sequence insn.
4953 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
4955 * gcc.c (main): Include generated configargs.h header
4956 and use arguments in '-v' output.
4958 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4960 * gcc.c: Move data on prefixes forward in file and reorganize.
4961 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
4962 Always define, but make null if no value.
4963 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
4964 and "md_startfile_prefix_1".
4965 (main): Check whether md_exec_prefix and the others are the
4966 null string rather than whether the macro is defined.
4968 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
4970 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
4971 from PSImode to SImode.
4973 2000-10-05 Jakub Jelinek <jakub@redhat.com>
4975 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
4976 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
4977 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
4980 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4982 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
4983 negation in proper type.a
4985 2000-10-04 Richard Henderson <rth@cygnus.com>
4987 * configure.in (enable-shared): New.
4988 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
4989 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
4990 * mklibgcc.in: Use them to link shared a libgcc.
4991 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
4992 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
4993 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
4994 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
4996 * configure.in (alpha-osf*): Use t-osf and x-osf.
4997 * config/alpha/t-osf: New file.
4998 * config/alpha/t-osf4: New file.
4999 * config/alpha/x-osf: New file.
5000 * config/alpha/x-alpha: Remove file.
5002 2000-10-04 Will Cohen <wcohen@redhat.com>
5004 * c-typeck.c (process_init_element): Added warning for zero-length
5007 * extend.texi (Zero Length): State that static initializers for
5008 zero-length arrays are not allowed.
5010 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
5012 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
5015 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5017 * config/float-c4x.h: New.
5018 * configure.in (c4x-*): Set float_format to c4x.
5019 * configure: Regenerate.
5021 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5023 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
5024 compilation for solaris versions 2.7 and greater.
5026 2000-10-02 Marc Espie <espie@openbsd.org>
5028 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
5029 instead of redefining from scratch.
5031 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
5033 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
5035 2000-10-01 Mark Mitchell <mark@codesourcery.com>
5037 * config/ns32k/genix.h: Remove.
5038 * config/ns32k/x-genix: Likewise.
5039 * config/ns32k/xm-genix.h: Likewise.
5040 * config/fx80: Remove all filee in directory.
5041 * config/pyr: Likewise.
5042 * config/tahoe: Likewise.
5043 * config/gmicro: Likewise.
5044 * config/spur: Likewise.
5045 * configure.in: Remove configury bits for above targets.
5046 * configure: Regenerated.
5048 * configure.in: Don't configure chill by default.
5049 * configure: Regenerated.
5051 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
5052 (lang_mark_false_label_stack): Remove.
5053 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
5054 <top level> string in GC area.
5055 (mark_splay_tree_node): New function.
5056 (mark_splay_tree): Likewise.
5057 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
5059 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
5060 * ggc-common.c (lang_mark_false_label_stack): Change type.
5061 * ggc.h (ggc_alloc_string): Add comment.
5062 (ggc_strdup): New function.
5064 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
5066 * config/avr/avr.h (BRANCH_COST): Define as 0.
5068 * config/pdp11/pdp11.c: #include "tree.h" added.
5070 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
5072 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
5073 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
5074 with known shift count.
5075 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
5076 New alternative for shift count 2 with no scratch register.
5077 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
5078 "set_n" for shift counts 1 and 2.
5080 2000-09-30 Geoff Keating <geoffk@cygnus.com>
5082 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
5083 the mask value from the individual SET operations.
5084 (return_internal_si): Move the USE after the RETURN.
5085 (return_internal_di): Likewise.
5086 (return_and_restore_fpregs_si): Likewise.
5087 (return_and_restore_fpregs_di): Likewise.
5088 (return_eh_si): Likewise.
5089 (return_eh_di): Likewise.
5090 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
5092 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
5093 Don't generate a PARALLEL around a single operation movsi_to_cr.
5094 Generate the RETURN first in any PARALLELs.
5096 * rtlanal.c (single_set_1): Use fatal_insn to display the
5097 invalid insn. Check for more cases when a USE or CLOBBER occurs
5099 * Makefile.in: Update dependencies for rtlanal.o.
5101 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
5103 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
5105 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
5107 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
5108 Consistently use @email for formatting email addresses.
5110 2000-09-29 Richard Henderson <rth@cygnus.com>
5112 * cse.c (notreg_cost): New argument outer.
5113 (COST): Pass in SET to notreg_cost
5115 (fold_rtx): Use COST_IN. Prefer constants when costs
5118 2000-09-29 David Edelsohn <edelsohn@gnu.org>
5120 * fixinc/inclhack.def (broken_cabs): Generalize regex.
5121 * fixinc/fixincl.x: Regenerate.
5123 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5125 * loop.c (check_final_value): A GIV is not replaceable if used
5128 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
5130 * version.c: Bump to gcc-2.97.
5132 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
5134 * final.c (final_scan_insn): Remove extra extract_insn call;
5135 Use caching for constrain_operands.
5136 (cleanup_subreg_operands): Use caching for extract_insn.
5137 * recog.c (constrain_operands_cached): New.
5138 * recog.h (constrain_operands_cached): Declare.
5139 * i386.c (ix86_attr_length_immediate_default,
5140 ix86_attr_length_address_default, ix86_agi_dependant): Cache
5143 * recog.c (asm_noperands): Tweak.
5144 (extract_insn): Do not call asm_noperads for non-asm instructions.
5146 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
5148 * recog.c (recog_memoized): Rename to recog_memoized_1.
5149 * recog.h (recog_memoized): Rename to recog_memoized_1.
5150 (recog_memoized): New macro.
5151 * rtl.h (single_set): Rename to single_set_1
5152 (single_set): New macro.
5153 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
5156 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
5157 Do not use match_dup of input operands at outputs.
5158 Use register_operand for memory expression.
5159 (rep_movsi): Put use last, canonicalize.
5160 Use register_operand for memory expression.
5161 (rep_movqi): Put use last.
5162 Use register_operand for memory expression.
5163 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
5164 of input operands at outputs. Use register_operand for memory
5166 (rep_stossi): Put use last; canonicalize; fix match_dup in
5167 the address expression
5168 (rep_stosqi): Likewise.
5169 (memcmp expander): Update calls.
5170 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
5173 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
5175 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
5177 2000-09-28 David O'Brien <obrien@FreeBSD.org>
5179 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
5180 Contains the old contents of config/i386/freebsd.h
5181 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
5182 Contains the old contents of config/i386/freebsd-elf.h
5183 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
5184 config/i386/freebsd.h.
5185 * configure.in: Adjust for above changes.
5186 * po/POTFILES.in: Likewise.
5187 * po/en_GB.po: Likewise.
5188 * po/gcc.pot: Likewise.
5189 * configure: Rebuilt.
5191 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5193 * doloop.c (doloop_modify): Prevent delete_insn() from
5194 deleting too much. Prefer loop->top over loop->start as
5195 target for the new JUMP insn.
5196 (doloop_valid_p): Ignore loop with exit_count != 0.
5198 2000-09-28 Philipp Thomas <pthomas@suse.de>
5200 * invoke.texi (i386 Options): Add athlon to table of possible
5203 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
5205 * diagnostic.h (output_clear_message_text): New function.
5206 (output_message_text): New macro.
5208 * diagnostic.c (clear_text_info): Rename to
5209 output_clear_message_text.
5210 (output_clear): Adjust.
5211 (output_finish): Rename to output_finalize_message. Tweek.
5212 (output_to_stream): Adjust.
5214 2000-09-28 Neil Booth <neilb@earthling.net>
5216 * cpperror.c (_cpp_begin_message): Do the test for suppression
5217 of warnings and pedantic warnings before the "is a warning an
5219 * cppinit.c (cpp_handle_option): Remove surplus \n.
5220 * cpplex.c (ON_REST_ARG): Delete.
5221 (skip_block_comment): Initialise prevc.
5222 (parse_args): Improve error messages.
5223 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
5225 * cpplib.c (cpp_push_buffer): Fix grammar in message.
5226 * cppmain.c (main): Set callbacks for #ident and #pragma
5227 only if no_output option is false.
5228 (do_pragma_implementation): Only call the #pragma handler
5229 if it is set in the cpp_reader structure.
5231 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
5233 * integrate.c (copy_insn_list): if an ignored return value
5234 is being clobbered, skip cloning that into the inline copy.
5236 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
5238 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
5239 use @uref for formatting URLs.
5241 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
5243 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
5246 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
5248 * gcc.c (cpp_options): Add spec for -ftabstop=.
5249 (invoke_as): New spec that handles invoking as.
5250 Update specs to handle -save-temps and -traditional.
5251 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
5253 * cp/lang-specs.h, objc/lang-specs.h: Update to use
5254 invoke_as, and handle -save-temps and -traditional (if
5257 2000-09-26 Jakub Jelinek <jakub@redhat.com>
5259 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
5261 (function_arg_slotno): Accept TImode/CTImode.
5262 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
5265 2000-09-26 Michael Hayes <mhayes@cygnus.com>
5267 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
5270 2000-09-25 Jim Wilson <wilson@cygnus.com>
5272 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
5273 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
5274 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
5275 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
5277 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
5279 * cpplex.c (parse_args): Don't set VOID_REST flag.
5280 (CONTEXT_VARARGS): New flag.
5281 (maybe_paste_with_next): Set context earlier in loop. Use
5282 it. Do varargs test with CONTEXT_VARARGS flag.
5283 (push_arg_context): Set CONTEXT_VARARGS flag if we're
5284 pushing an argument context for a varargs argument.
5285 * cpplib.h (VOID_REST): Delete.
5286 * gcc.dg/cpp/vararg1.c: Add test case.
5288 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
5290 * flags.h: Declare warning flag warn_system_headers.
5291 * toplev.c: Define it.
5292 (W_options): Add option -Wsystem-headers.
5293 * diagnostic.c (count_error): Test warn_system_headers.
5294 * invoke.texi: Add description for -Wsystem-headers.
5295 * cpplib.h (cpp_options): New member warn_system_headers.
5296 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
5297 CPP_IN_SYSTEM_HEADER.
5298 * cpplib.c (do_import, do_pragma_once): Likewise.
5299 * cpperror.c (_cpp_begin_message): Test warn_system_headers
5300 and CPP_IN_SYSTEM_HEADER.
5301 * cppinit.c (handle_option): Recognize -Wsystem_headers.
5302 (print_help): Describe -Wsystem_headers.
5303 * cpplex.c (lex_line): Reorganize condition so that warnings
5304 about C++ comments in system headers can be enabled. Remove
5305 label do_line_comment.
5307 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
5309 * cpplex.c (save_comment): Only store the initial '/'
5311 (lex_token): Combine handling of the two comment types.
5312 Pass everything but the initial '/' to save_comment.
5314 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
5316 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
5317 _cpp_can_paste): New library-internal prototypes.
5318 * cpplex.c (dump_param_spelling, output_line_command,
5319 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
5320 cpp_printf, cpp_output_list): Move to cppoutput.c.
5321 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
5322 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
5324 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
5325 dump_param_spelling, output_line_command, cpp_scan_buffer,
5326 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
5328 * Makefile.in: Add cppoutput.c.
5329 * po/POTFILES.in: Add cppoutput.c.
5331 2000-09-25 Richard Henderson <rth@cygnus.com>
5333 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
5334 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
5335 split until after reload.
5336 (rotlsi3, rotldi3): New.
5338 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
5340 * diagnostic.c (output_last_position): Define.
5341 (set_real_maximum_length): Tweek.
5342 * diagnostic.h (output_last_position): Declare.
5344 2000-09-25 Kazu Hirata <kazu@hxi.com>
5346 * config/i386/i386.c: Fix formatting.
5348 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
5350 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
5351 UNITS_PER_WORD is small.
5353 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
5355 * c-common.c (format_char_info): Add flags2; update comments.
5356 (print_char_table, scan_char_table, time_char_table): Split some
5357 flags out into flags2.
5358 (check_format_info): Use flags2 for those flags, for identifying
5359 the initial character of a scanf scanset, and for identifying
5360 printf formats where the '0' flag is ignored with precision.
5362 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
5364 Changes below marked "here" add TABs on either or both sides,
5365 covering start of line, up to any operand for all noted .*ASM.*_OP
5366 definitions. All callers changed.
5367 * tm.texi: Make documented *_ASM.*_OP:s include spacing
5368 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
5369 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
5370 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
5371 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
5372 Fix typos in description for LONG_LONG_TYPE_SIZE and
5373 FINI_SECTION_ASM_OP.
5374 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
5375 why these defaults don't have leading spacing.
5376 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
5377 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
5378 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
5379 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
5380 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
5381 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
5382 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
5383 * varasm.c (ASM_STABS_OP): Here.
5384 * xcoffout.h (ASM_STABS_OP): Here.
5385 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
5386 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
5387 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
5388 STRING_ASM_OP): Here.
5389 * config/freebsd.h (IDENT_ASM_OP): Here.
5390 * config/linux-aout.h (SET_ASM_OP): Here.
5391 * config/linux.h (SET_ASM_OP): Here.
5392 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
5394 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
5395 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
5396 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
5397 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
5399 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
5400 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
5401 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
5402 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
5403 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
5404 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5405 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
5406 * config/a29k/udi.h (INT_ASM_OP): Here.
5407 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
5408 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
5410 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
5411 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5412 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
5413 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
5414 ASM_STABD_OP): Here.
5415 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
5416 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
5417 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
5418 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
5419 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
5420 SIZE_ASM_OP, STRING_ASM_OP): Here.
5421 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
5422 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
5423 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
5424 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
5425 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
5426 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
5428 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5429 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
5430 * config/arm/coff.h (INT_ASM_OP): Here.
5431 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
5432 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
5433 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
5434 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
5435 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
5436 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5437 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
5438 STRING_ASM_OP): Here. Update documentation copy in comments.
5439 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
5440 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
5441 DATA_SECTION_ASM_OP): Here.
5442 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
5444 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
5445 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
5446 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5447 BSS_SECTION_ASM_OP): Here.
5448 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5449 BSS_SECTION_ASM_OP): Here.
5450 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5452 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
5453 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
5454 * config/h8300/h8300.h (ASM_WORD_OP): Here.
5455 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5456 BSS_SECTION_ASM_OP): Here.
5457 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
5458 * config/i386/bsd.h (ASM_BYTE_OP): Here.
5459 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
5460 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
5461 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
5463 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
5464 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
5466 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
5467 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
5468 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
5469 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
5471 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
5472 * config/i386/netbsd.h (INT_ASM_OP): Here.
5473 * config/i386/openbsd.h (INT_ASM_OP): Here.
5474 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
5475 IDENT_ASM_OP): Here.
5476 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
5477 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
5478 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
5479 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
5480 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
5481 SHARED_BSS_SECTION_ASM_OP): Here.
5482 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
5483 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
5484 DATA_SECTION_ASM_OP): Here.
5485 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5486 CONST_SECTION_ASM_OP): Here.
5487 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
5488 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5489 BSS_SECTION_ASM_OP): Here.
5490 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
5491 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
5492 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
5493 BSS_ASM_OP): Here, but use trailing spaces.
5494 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
5495 DATA_SECTION_ASM_OP): Here.
5496 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
5498 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
5499 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
5500 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
5501 TDESC_SECTION_ASM_OP): Here.
5502 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
5503 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
5504 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5506 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5507 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
5508 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
5509 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
5510 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
5511 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
5512 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
5513 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
5514 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
5515 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
5516 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
5517 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
5519 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
5520 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
5521 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
5522 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
5523 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
5524 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
5525 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
5526 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5527 GLOBAL_ASM_OP): Here.
5528 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
5529 BSS_SECTION_ASM_OP): Here.
5530 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
5531 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5532 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
5533 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
5535 * config/m68k/newsgas.h (SET_ASM_OP): Here.
5536 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
5537 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
5538 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
5539 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
5540 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
5541 but use trailing spaces.
5542 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
5543 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
5544 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
5546 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
5547 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
5548 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5549 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
5550 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5551 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
5552 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
5553 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
5554 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
5555 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
5556 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
5557 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
5559 * config/m88k/openbsd.h (SET_ASM_OP): Here.
5560 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5561 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
5562 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
5563 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
5564 DTORS_SECTION_ASM_OP): Here.
5565 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
5566 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
5567 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
5568 BSS_SECTION_ASM_OP): Here.
5569 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
5570 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
5571 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
5572 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
5573 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
5574 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
5575 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
5576 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
5578 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
5580 * config/mips/osfrose.h (SET_ASM_OP): Here.
5581 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
5582 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
5583 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
5584 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5586 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
5587 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
5588 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
5589 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
5590 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
5591 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5593 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5595 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
5596 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
5597 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
5599 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
5600 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
5601 * config/sparc/linux.h (COMMON_ASM_OP): Here.
5602 * config/sparc/linux64.h (COMMON_ASM_OP,
5603 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
5604 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
5605 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
5606 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
5607 * config/sparc/pbd.h (ASM_INT_OP): Here.
5608 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
5609 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
5610 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
5611 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
5612 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
5613 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
5614 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
5615 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
5616 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
5617 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5618 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
5619 EH_FRAME_SECTION_ASM_OP): Here.
5620 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
5621 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5623 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5625 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
5626 TCOMMON_ASM_OP): Here.
5627 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5629 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5632 2000-09-25 Richard Henderson <rth@cygnus.com>
5634 * expmed.c (store_bit_field): Adjust last change to not consider
5635 any word-sized field naturally aligned.
5637 2000-09-24 Richard Henderson <rth@cygnus.com>
5639 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
5640 TFmode unordered compares properly. Revalidate integer compare
5642 (alpha_emit_setcc): New.
5643 (alpha_emit_conditional_move): Revalidate integer compare operands.
5644 * config/alpha/alpha-protos.h: Update.
5645 * config/alpha/alpha.md (cmpdi): Allow general operands.
5646 (sne): Use alpha_emit_setcc.
5647 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
5648 (sunordered, sordered): New.
5650 2000-09-24 Richard Henderson <rth@cygnus.com>
5652 * config/ia64/ia64-protos.h: Update.
5653 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
5654 (ia64_expand_call): New.
5655 (ia64_expand_prologue): Emit an alloc if we need extra input
5657 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
5658 instruction if true.
5659 (struct reg_flags): Add is_sibcall.
5660 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
5661 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
5662 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
5663 * config/ia64/ia64.h (PREDICATE_CODES): Update.
5664 * config/ia64/ia64.md (call): Use ia64_expand_call.
5665 (call_value): Likewise.
5666 (sibcall, sibcall_value): New.
5667 (call patterns): Remove extra expanders; tidy.
5668 (sibcall_epilogue): New.
5669 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
5671 2000-09-24 Richard Henderson <rth@cygnus.com>
5673 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
5675 * sibcall.c (skip_pic_restore): New.
5676 (identify_call_return_value): Use it.
5678 2000-09-24 Mark Mitchell <mark@codesourcery.com>
5680 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
5681 functions. Generalize to handle both C and C++.
5682 * Makefile.in (c-tree.info): New target.
5683 (info): Add c-tree.info.
5685 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5687 * expr.c (store_field): If BITSIZE is negative, use size of type.
5688 (expand_expr, case COMPONENT_EXPR): Likewise.
5690 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
5692 * cpplex.c: Update TODO comment.
5693 * cpplib.c (do_error, do_warning): Merge common code of
5694 do_error and do_warning into do_diagnostic. Use it.
5695 (do_diagnostic): New function.
5696 * cpplib.h: Fix comment typo.
5698 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
5700 * c-common.c (check_format_info): Warn for a wide character string
5701 used as a non-wide format argument.
5703 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
5705 * builtins.def (BUILT_IN_LLABS): Add.
5706 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
5707 * c-common.c (c_common_nodes_builtins): Create builtin functions
5708 __builtin_llabs, and plain llabs unless no_nonansi_builtins
5709 outside of C99 mode.
5710 (expand_tree_builtin): Handle BUILT_IN_LLABS.
5712 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
5714 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
5715 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
5716 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
5717 _cpp_free_toklist): No need to worry about extra dummy token
5718 at the start of token lists any more.
5719 (trigraph_ok): Only warn outside comments.
5720 (skip_block_comment): Set and clear lexing_comment.
5721 (skip_line_comment): Take a cpp_reader not cpp_buffer.
5722 Set and clear lexing_comment.
5723 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
5724 (check_long_token): Delete.
5725 (lex_percent, lex_dot): New subroutines of lex_token to
5726 handle lexing of '.' and '%' without lookback.
5727 (lex_token): Use lex_dot and lex_percent.
5728 (lex_line): Don't check for LIST_OFFSET.
5729 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
5730 * cpplib.c (_cpp_parse_assertion): Similarly.
5731 (cpp_push_buffer): Initialize extra_char.
5732 * cpplib.h (LIST_OFFSET): Delete.
5733 (struct cpp_buffer): New member extra_char.
5734 (struct lexer_state): New members lexing_comment and seen_dot.
5736 2000-09-23 Jason Merrill <jason@redhat.com>
5738 * config/rs6000/x-aix41 (CLIB): Define here.
5739 * config/rs6000/t-aix43: Not here.
5740 * config/rs6000/t-aix41: Or here. Remove.
5741 * configure.in: Don't use it.
5743 2000-09-22 Jason Merrill <jason@redhat.com>
5745 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
5746 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
5747 * config.in: Regenerate.
5749 * configure.in: Fix checks for assembler features when using a
5750 one-tree assembler that has not yet been built.
5751 Fix --disable-threads.
5753 2000-09-19 Geoff Keating <geoffk@cygnus.com>
5755 * stmt.c (expand_asm_operands): Allow # in constraints.
5757 2000-09-22 Jason Merrill <jason@redhat.com>
5759 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
5761 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
5762 function-local names.
5764 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
5765 Mark Mitchell <mark@codesourcery.com>
5767 * toplev.c (warn_disabled_optimization): Declare new warning flag.
5768 * flags.h (warn_disabled_optimization): Add it here.
5769 * gcse.c (gcse_main): Add warning when disabled.
5770 * invoke.texi: Document -Wdisabled-optimization.
5772 2000-09-21 Jason Merrill <jason@redhat.com>
5774 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
5776 * dwarf2out.c (tree_add_const_value_attribute): New fn.
5777 (gen_variable_die): Call it for non-definitions.
5779 * dwarf2out.c (die_struct): Add die_mark field.
5780 (mark_dies, unmark_dies): New fns.
5781 (clear_die_sizes): Remove.
5782 (print_die): Check die_symbol rather than die_offset.
5783 (build_abbrev_table, output_pubnames, output_aranges): Check
5784 die_mark rather than die_offset.
5785 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
5788 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
5790 * cppfiles.c (lookup_include_file): Rename to open_file.
5791 Always create a splay tree value, even on syscall failures.
5792 Negative entries indicated by fd == -2.
5793 Re-open files closed in the meantime.
5794 (_cpp_fake_include): Create a negative splay tree entry.
5795 (find_include_file, cpp_read_file): Update for function name
5797 * gcc.gd/cpp/mi4.c: Testcase.
5799 2000-09-21 Nick Clifton <nickc@redhat.com>
5801 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
5802 ARM and THUMB modes.
5804 * config/mcore/mcore.c: Fix compile time warnings.
5805 * config/mcore/mcore-protos.h: Fix compile time warnings.
5807 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5809 * configure.in: Correct test of gcc_cv_glibc.
5810 * configure: Rebuilt.
5811 * config.in: Rebuilt.
5813 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5815 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
5816 (expand_builtin): Handle BUILT_IN_FWRITE.
5818 * builtins.def (BUILT_IN_FWRITE): New entry.
5820 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
5822 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5824 * gcc.c (modify_target): New variable and struct.
5825 (process_command): Handle MODIFY_TARGET_NAME.
5826 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
5827 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
5829 * c-decl.c (finish_decl): Add else's to avoid referencing
5830 TYPE_DOMAIN of an ERROR_MARK.
5832 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
5834 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
5837 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
5839 * config/avr/avr.md (neghi2): Add alternative for input and output
5840 operands in different registers, as in negsi2.
5841 (*negsi2): Remove '*' from the name. Use "movw" if available.
5843 2000-09-19 Jim Wilson <wilson@cygnus.com>
5845 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
5846 HAVE_GAS_HIDDEN macro.
5848 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
5850 * cpplex.c (lex_line): Drop the EOF token for unknown
5851 directives in assembler.
5853 2000-09-19 David Edelsohn <edelsohn@gnu.org>
5855 * configure.in: Allow enable_threads_flag value of "aix". Define
5856 thread_file as "aix" for AIX 4.3 and above.
5857 * configure: Regenerated.
5859 * gthr-aix.h: New file.
5861 * rs6000/t-aix43: Replace soft-float multilib with pthread.
5862 Remove 403 processor multilib match. Fix rios2 processor multilib
5865 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
5866 to return to appropriate csect.
5868 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5870 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
5872 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
5873 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
5876 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
5879 * c-common.c (init_function_format_info): Handle __builtin_printf.
5880 Set `check_function_format_ptr'.
5881 (c_common_nodes_and_builtins): Set `puts_ftype' and
5882 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
5883 __builtin_printf and printf.
5885 * tree.c, tree.h (check_function_format_ptr): Declare.
5887 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
5889 * cppfiles.c (read_include_file): Take no special action for
5892 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
5894 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
5895 rather than that of branch.
5896 (shorten_branches): Don't increment insn_current_address twice.
5898 Undo most of the Wed Jan 27 23:39:53 1999 patch:
5899 * loop.h (struct induction): Delete members derived, ix and last_use.
5900 (struct loop_ivs): Delete members first_increment_giv and
5902 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
5903 recombine_givs): Delete functions.
5904 (find_and_verify_loops): Don't initialize cont_dominator.
5905 (strength_reduce): Lose code to try to find bivs that can be
5906 expressed as givs of another biv, and to convert biv increments
5908 Lose loop_scan_start variable, always use loop->scan_start.
5909 Don't call recombine_givs. Don't handle derived givs.
5910 (record_giv): Don't initialize derived and last_use fields.
5911 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
5913 * unroll.c (derived_regs): Delete static variable.
5914 (unroll_loop): Don't initialize it.
5915 (copy_loop_body): Lose code to handle derived givs.
5916 (find_splittable_givs): Don't check for givs made from biv
5918 Don't set derived_regs.
5920 Fix misapplied earlier patch:
5921 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
5923 (floatsisf2): Generate floatsisf_ie by default.
5924 (floatsisf_i4): Conditional on TARGET_SH4.
5926 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
5927 predicate for the expanders.
5929 2000-09-19 Richard Henderson <rth@cygnus.com>
5931 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
5932 in addition to pentium and pentiumpro symbols.
5933 (CPP_CPU_DEFAULT_SPEC): Likewise.
5935 * c-typeck.c (c_expand_asm_operands): Restore the output tree
5938 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
5939 if the tree has side effects.
5940 (warn_if_unused_value): Do not warn about void constructs.
5942 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
5944 * unroll.c (copy_loop_body): Update LABEL_NUSES before
5945 calling invert_jump.
5947 2000-09-18 Geoff Keating <geoffk@cygnus.com>
5949 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
5952 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5954 * Makefile.in (c-common.o): Depend on diagnostic.h.
5956 * c-common.c: Include diagnostic.h.
5958 (status_warning): New function.
5959 (check_format_info, maybe_read_dollar_number, check_format_types,
5960 finish_dollar_format_checking, check_function_format): Accept a
5961 `status' parameter. All callers changed.
5963 * c-common.h (check_function_format): Accept a `status' parameter.
5965 * c-typeck.c: Update call to `check_function_format'.
5967 2000-09-18 Richard Henderson <rth@cygnus.com>
5969 * c-decl.c (c_expand_body): Call mark_varargs before
5970 expand_function_start.
5972 2000-09-18 Geoff Keating <geoffk@cygnus.com>
5974 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
5975 * config/rs6000/eabi-ci.asm: Likewise.
5977 2000-09-18 Richard Henderson <rth@cygnus.com>
5979 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
5982 2000-09-18 Jim Wilson <wilson@cygnus.com>
5984 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
5985 before passing it to fold_rtx_mult_add.
5987 * unroll.c (final_giv_value): Pass increment through
5988 extend_value_for_giv before passing it to emit_iv_add_mult.
5990 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
5991 paradoxical subreg, then directly substitute the replacement and
5994 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
5996 * cpp.texi: Update documentation, including some clarifications,
5997 the treatment of various newline combinations, and space between
5998 backslash and newline.
6000 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
6002 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
6003 Replace ASM_OUTPUT_LABELREF with assemble_name.
6005 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
6007 * sh.c (addsubcosts): CONST is not cheap.
6008 (find_barrier): For Sh1, take alignment after jumps into account.
6010 2000-09-15 Andrew Haley <aph@redhat.com>
6012 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
6013 remove all SETs of SUBREGs of hard registers.
6014 * function.c (purge_hard_subreg_sets): New function.
6015 (purge_single_hard_subreg_set): New function.
6016 * rtl.h: (purge_hard_subreg_sets): New function.
6018 2000-09-18 Richard Henderson <rth@cygnus.com>
6020 * config/ia64/ia64-protos.h: Update.
6021 * config/ia64/ia64.c (signed_inequality_operator): New.
6022 (ia64_expand_compare): New.
6023 (ia64_register_move_cost): Handle PR_REGS moves.
6024 (ia64_secondary_reload_class): Require a GR when moving to a PR.
6025 (struct reg_write_state): Add written_by_and/or.
6026 (struct reg_flags): Add is_and/or.
6027 (rws_update): Set them.
6028 (rws_access_regno): Test them to allow parallel comparisons.
6029 (rtx_needs_barrier): Recognize parallel comparisons.
6030 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
6031 Call recog_memoized; ignore pred_rel_mutex.
6032 (emit_predicate_relation_info): Don't call find_basic_blocks here.
6033 (ia64_reorg): Do it here instead.
6034 * config/ia64/ia64.h: s/CCmode/BImode/g
6035 (MODES_TIEABLE_P): Don't tie BImode.
6036 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
6037 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
6038 (RTX_COSTS): Make multiply 4 insns.
6039 (MEMORY_MOVE_COST): New.
6040 (PREDICATE_CODES): Update.
6041 * config/ia64/ia64.md: s/CCmode/BImode/g
6042 (movcci, movbi): New.
6043 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
6044 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
6045 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
6046 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
6047 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
6048 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
6049 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
6050 (mulsi, muldi): Use xmpy not xma.
6052 (movcc, movcc_internal): Remove.
6053 (branch expanders): Use ia64_expand_compare.
6054 (setcc expanders): Likewise.
6055 (cmov insns): Use move_operand and ia64_move_ok.
6056 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
6057 scheduler from moving it past a use.
6058 * config/ia64/build.hacks: Remove.
6060 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
6062 * cpphash.h (HASHSTEP): Take character rather than pointer
6064 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
6066 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
6068 * cpplex.c (auto_expand_name_space, trigraph_replace,
6069 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
6070 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
6071 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
6072 KNOWN_DIRECTIVE): Delete.
6074 (handle_newline, check_long_token, skip_escaped_newlines,
6075 unterminated): New functions.
6076 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
6078 (parse_identifier): Was parse_name, new implementation.
6079 (skip_line_comment, skip_block_comment, skip_whitespace,
6080 parse_number, parse_string, trigraph_ok, save_comment,
6081 adjust_column, _cpp_get_line): New implementations.
6083 (lex_token): New function. Lexes a token at a time, looking
6084 forwards. Contains most of the guts of the old lex_line.
6085 (lex_line): New implementation, using lex_token to obtain
6087 (cpp_scan_buffer): Use the token's line, not the list's line.
6089 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
6090 New implementations.
6091 (do_assert): Don't bother setting the answer's list's line.
6092 (cpp_push_buffer): Initialise new pfile and read_ahead members
6093 of struct cpp_buffer.
6095 * cpplib.h (cppchar_t): New typedef.
6096 (struct cpp_buffer): read_ahead, pfile and col_adjust are
6098 (struct lexer_state): New structure that determines the state
6099 and behaviour of the lexer.
6100 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
6101 (struct cpp_reader): New member "state". Rename
6102 multiline_string_line and multiline_string_column. Delete
6103 col_adjust, in_lex_line members.
6104 (CPP_BUF_COLUMN): Update.
6106 2000-09-18 Richard Henderson <rth@cygnus.com>
6108 * combine.c (simplify_comparison): Shift a NOT out of a single
6111 * combine.c (if_then_else_cond): Canonicalize BImode true to
6113 * explow.c (trunc_int_for_mode): Likewise.
6115 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
6116 the NOT for De Morgan's rule.
6117 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
6118 of a comparison to the reverse comparison.
6120 * combine.c (try_combine): Allow split to create a single insn.
6122 * machmode.def: Add BImode. Add a column for bitsize.
6123 * machmode.h (DEF_MACHMODE): Adjust for extra column.
6124 (GET_MODE_BITSIZE): Use it.
6125 * rtl.c (DEF_MACHMODE): Adjust for extra column.
6126 (mode_bitsize): New.
6127 (mode_mask_array): Use bitsize.
6128 * combine.c (combine_simplify_rtx): Require inner and outer
6129 modes to match on nonzero_bits optimizations.
6131 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
6133 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
6134 its entry in spill_reg_store.
6135 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
6136 * sh.c (reg_no_subreg_operand): New function.
6137 * sh-protos.h (reg_no_subreg_operand): Declare it.
6138 * sh.h (PREDICATE_CODES): Add it.
6139 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
6140 input operand that needs to be in fpul.
6141 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
6142 * sh.c (find_barrier): Take into account that machine_dependent_reorg
6143 might add new insns.
6145 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
6147 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
6149 (sh_expand_epilogue): Take the PIC register into account when
6150 computing the frame size.
6152 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
6153 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
6154 LABEL_REFs with a PIC-safe unspec.
6156 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
6158 * c-common.c (check_format_info): Properly save the argument
6159 number and parameter for $ operand number formats in case width
6160 and precision arguments are also used. Allow printf width and
6161 precision arguments to have operand numbers even if none was
6162 specified for the main format, since this is OK for %*.*m. Only
6163 object to missing $ operand number if the format used requires an
6166 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
6168 * c-common.c (format_char_info): Add 'W' flag to comment.
6169 (print_char_table, scan_char_table): Use it.
6170 (check_format_info): Use the 'W' flag to determine whether a
6171 format argument is written into.
6173 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
6175 * c-common.c (check_format_types): Reorganise and clean up,
6176 checking earlier for ERROR_MARKs and making cur_type into its
6177 TYPE_MAIN_VARIANT where convenient.
6179 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
6181 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
6183 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
6185 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
6187 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
6188 * i386.c (struct builtin_description): New.
6189 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
6190 (mmx_reg_operand): Declare MODE arg as unused.
6191 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
6192 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
6193 ix86_expand_binop_builtin, ix86_expand_store_builtin,
6194 ix86_init_builtins, ix86_expand_builtin): New functions.
6195 * i386.h (ix86_builtins): New enumeration.
6196 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
6197 * i386.md (attr length_immediate): 0 for mmx/sse types.
6198 (attr prefix_0f): 1 for mmx/sse types.
6199 (setcc_2): Remove "*" so we get gen_setcc_2.
6200 (emms): Account for changed register numbering. Set "memory" attr
6202 (sfence): Set "memory" attr to unknown.
6204 2000-09-18 Andreas Jaeger <aj@suse.de>
6206 * configure.in: Define _GNU_SOURCE only when using the GNU C
6208 * configure: Regenerated.
6209 * config.in: Regenerated.
6211 2000-09-17 Mark Mitchell <mark@codesourcery.com>
6213 * cppinit.c (cpp_init): Don't use ANSI prototypes.
6214 * flow.c (flow_dump_loop): Likewise.
6215 (flow_loops_dump): Likewise.
6217 * c-typeck.c (c_start_case): Fix typo.
6219 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
6221 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
6222 to int for plain complex which defaults to complex double. Do
6223 warn about defaulting to complex double if pedantic. Warn about
6224 complex integer types if pedantic. Warn about complex types if
6225 pedantic and not in C99 mode.
6226 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
6227 for complex conjugation.
6229 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
6231 * contrib.texi: Update my entry.
6233 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
6235 * config/avr/avr.md (mcu_enhanced): New attribute.
6236 (mcu_mega): Likewise.
6237 (extendhisi2): Use mcu_enhanced.
6238 (zero_extendhisi2): Likewise.
6239 (call_insn): Use mcu_enhanced and mcu_mega.
6240 (call_value_insn): Likewise.
6241 (*sbrx_branch): Use mcu_mega.
6242 (*sbrx_and_branchsi): Likewise.
6243 (*sbrx_and_branchhi): Likewise.
6244 (*tablejump_lib): Likewise.
6246 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6248 * alias.c (true_dependence): Allow non-unchanging read to conflict
6249 with unchanging write.
6251 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
6252 (store_constructor): Pass alias_set to it.
6254 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
6255 TYPE_MAIN_VARIANT of ERROR_MARK.
6256 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
6258 * simplify-rtx.c (simplify_unary_operation): Add cases
6259 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
6261 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
6263 * expr.h (emit_library_call, emit_library_call_value): Delete
6265 * rtl.h (enum libcall_type): New.
6266 (emit_library_call, emit_library_call_value): Change fn_type arg to
6267 be of type enum libcall_type.
6268 * calls.c: Likewise for the function definitions. Several callers
6269 throughout changed to use the new enumeration appropriately.
6270 (emit_library_call_value_1): Likewise. Put back code to make libcall
6271 blocks of equal form, but only use it for the two new higher
6274 2000-09-16 Mark Mitchell <mark@codesourcery.com>
6276 Convert the C front-end to use function-at-a-time mode.
6277 * c-common.h: Include splay-tree.h.
6278 (C_DECLARED_LABEL_FLAG): New macro.
6279 (struct language_function): Add x_scope_stmt_stack and
6280 x_function_name_declared_p.
6281 (RECHAIN_STMTS): Move definition.
6282 (lang_statment_code_p): Likewise.
6283 (lang_expand_stmt): Likewise.
6284 (lang_expand_decl_stmt): New variable.
6285 (lang_expand_function_end): Likewise.
6286 (current_scope_stmt_stack): New function.
6287 (add_decl_stmt): Likewise.
6288 (add_scope_stmt): Likewise.
6289 (mark_stmt_tree): Likewise.
6290 (struct c_lang_decl): New structure.
6291 (DECL_SAVED_TREE): Define.
6292 (c_mark_lang_decl): New function.
6293 (c_expand_start_cond): Change prototype.
6294 (c_finish_then): New function.
6295 (c_finish_else): Likewise.
6296 (current_function_name_declared): Remove.
6297 (set_current_function_name_declared): Likewise.
6298 (mark_c_language_function): Declare.
6299 (case_compare): Likewise.
6300 (c_add_case_label): Likewise.
6301 (c_expand_expr): Likewise.
6302 (c_safe_from_p): Likewise.
6303 * c-common.c (lang_expand_function_end): New variable.
6304 (struct if_elt): Add if_stmt.
6305 (c_expand_start_cond): Add the if-statement to the statement-tree,
6306 rather than generating RTL.
6307 (c_finish_then): New function.
6308 (c_expand_start_else): Don't generate RTL.
6309 (c_finish_else): New function.
6310 (c_expand_expr_stmt): Don't generate RTL.
6311 (statement_code_p): Add SCOPE_STMT.
6312 (case_compare): New function.
6313 (c_add_case_label): Likewise.
6314 (mark_stmt_tree): Likewise.
6315 (c_mark_lang_decl): Likewise.
6316 (mark_c_language_function): Likewise.
6317 (c_expand_expr): Likewise.
6318 (c_safe_from_p): Likewise.
6319 * c-decl.c (c_stmt_tree): New variable
6320 (c_scope_stmt_stack): Likewise.
6321 (c_function_name_declared_p): Likewise.
6322 (lang_expand_expr_stmt): Remove.
6323 (poplevel): Don't call output_inline_function for nested
6325 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
6327 (redeclaration_error_message): Change means of computing whether
6328 or not a function is nested.
6329 (lookup_label): Don't call label_rtx.
6330 (init_decl_processing): Add more GC roots.
6331 (start_decl): Add DECL_STMTs to the statement-tree, rather than
6332 calling rest_of_decl_compilation.
6333 (finish_decl): Don't call expand_decl.
6334 (store_parm_decls): Begin the statement-tree, but don't generate
6336 (finish_function): Tie off the statement-tree. Call c_expand_body
6338 (c_expand_body): New function.
6339 (push_c_function_context): Save more information.
6340 (pop_c_function_contxt): Likewise.
6341 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
6342 (lang_mark_tree): Mark it.
6343 (current_stmt_tree): Adjust.
6344 (current_scope_stmt_stack): New function.
6346 (set_current_name_declared): Likewise.
6347 (c_begin_compound_stmt): Define.
6348 (c_expand_decl_stmt): Likewise.
6349 * c-lang.c: Include rtl.h and expr.h.
6350 (lang_init): Set more language-specific hooks.
6351 * c-lex.c: Include expr.h.
6352 * c-parse.in: Changes throughout to add statements to the
6353 statement-tree, rather than generating RTL after every statement.
6354 * c-semantics.c (lang_expand_decl_stmt): Define.
6355 (add_decl_stmt): New function.
6356 (add_scope_stmt): Likewise.
6357 (finish_stmt_tree): Tweak.
6358 (genrtl_expr_stmt): Likewise.
6359 (genrtl_decl_stmt): Handle local labels, and call
6360 lang_expand_decl_stmt if required.
6361 (genrtl_for_stmt): Fix line-number handling.
6362 (genrtl_case_label): Handle cleanups.
6363 (genrtl_asm_stmt): Don't call combine_strings.
6364 (genrtl_compound_stmt): Simplify.
6365 (expand_stmt): Handle SCOPE_STMTs.
6366 * c-tree.h (struct lang_decl): New structure.
6367 (C_DECLARED_LABEL_FLAG): Remove.
6368 (c_begin_compound_stmt): Declare.
6369 (c_expand_decl_stmt): Likewise.
6370 (c_expand_start_case): Rename to c_start_case.
6371 (c_finish_case): New function.
6372 * c-typeck.c (start_init): Tweak setting of
6373 constructor_incremental.
6374 (c_expand_asm_operands): Tweak error-handling. Add to the
6376 (c_expand_return): Add to the statement-tree.
6377 (c_expand_start_case): Rename to ...
6378 (c_start_case): ... this.
6379 (struct c_switch): New type.
6380 (switch_stack): New variable.
6381 (do_case): Simplify.
6382 (c_finish_case): New function.
6383 * dependence.c: Include expr.h.
6384 (enum dependence_type): Change spelling of enumerals.
6385 (check_node_dependence): Adjust.
6386 * expr.h (lang_safe_from_p): Declare.
6387 (safe_from_p): Likewise.
6388 * expr.c (lang_safe_from_p): New variable.
6389 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
6390 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
6391 * toplev.c (rest_of_decl_compilation): Robustify.
6392 * tree.c (contains_placeholder_p): Likewise.
6393 * Makefile.in: Update dependencies.
6394 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
6395 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
6396 (objc_expand_function_end): New function.
6397 (finish_method_def): Use it.
6398 (init_objc): Initialize more language-specific hooks.
6399 * objc/Make-lang.in: Update dependencies.
6401 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
6403 * configure.in: Define macros that affect features before
6404 testing for features. Don't define _XOPEN_SOURCE.
6405 * configure: Regenerated.
6406 * config.in: Regenerated.
6408 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
6410 * rtlanal.c (rtx_varies_p): Volatile asms vary.
6411 (rtx_unstable_p): Restructure code. Volatile asms
6414 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6416 * function.h (no_debugging_symbols): New field.
6417 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
6418 Initialize no_debugging_symbols.
6419 (output_inline_function): Save and restore write_symbols and set from
6420 no_debugging_symbols.
6421 * toplev.c (rest_of_compilation): Call save_for_inline.
6422 * tree.h: Update comment.
6424 * stor-layout.c (place_field): Don't do anything if field or
6425 its type are ERROR_MARK.
6427 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
6429 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
6430 (read_include_file): Ensure inc->mmaped is initialized.
6432 2000-09-16 Richard Henderson <rth@cygnus.com>
6434 * cppiles.c (purge_cache): Use PTR not caddr_t.
6436 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
6438 * gcc.c: In description for %{<S}, say the option removed is -S.
6439 * invoke.texi (Spec Files): Ditto.
6441 2000-09-16 Andreas Jaeger <aj@suse.de>
6443 * configure.in: Always define _GNU_SOURCE to make interfaces
6444 visible that were hidden by only defining _GNU_SOURCE.
6445 * configure: Regenerated.
6447 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
6449 * cpplex.c (push_macro_context): Set an argument's level after
6450 calling parse_args. We could loop infinitely otherwise.
6452 2000-09-15 Tom Tromey <tromey@cygnus.com>
6454 * configure, config.in: Rebuilt.
6455 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
6457 2000-09-15 Greg McGary <greg@mcgary.org>
6459 * cppmacro.c (check_trad_stringification): Check token
6460 text pointers against limit before dereferencing.
6462 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
6464 * c-common.c (format_wanted_type): New structure.
6465 (check_format_types): New function.
6466 (check_format_info): Pass all checking of types of format
6467 arguments, including width and precision arguments, to this new
6470 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6472 * BUGS: Remove file.
6474 2000-09-15 Jakub Jelinek <jakub@redhat.com>
6476 * config/alpha/alpha.c (override_options): ev6 cache latencies
6477 from Richard Henderson. Don't allow -mmemory-latency=L0.
6479 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
6480 (TARGET_OPTIONS): Add tune=.
6481 (alpha_tune_string): Declare.
6482 * config/alpha/alpha.c (override_options): Add cpu_table.
6483 Use alpha_cpu_string first to set both alpha_cpu and target_flags
6484 and then alpha_tune_string to set alpha_cpu only.
6485 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
6486 * config/alpha/elf.h (ASM_FILE_START): Likewise.
6487 * config/alpha/osf.h (ASM_FILE_START): Likewise.
6488 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
6490 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
6492 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
6494 (ix86_comparison_operator, ix86_cc_mode): Declare
6495 * i386.h (CCGC, CCGCO): New modes.
6496 (SELECT_CC_MODE): Move offline to ....
6497 * i386.c (ix86_cc_mode): .... here; use new modes.
6498 (ix86_comparison_operator): New.
6499 (fcmov_comparison_operator): Ensure proper mode.
6500 (put_condition_mode): More sanity checking.
6501 (ix86_match_ccmode): Handle new modes.
6502 (ix86_expand_fp_compare): GEU requires CCmode.
6503 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
6505 * i386.md (cmp?i_ccz_1): Remove
6506 (cmp?i_ccno_1): Use ix86_match_ccmode.
6507 (cmp?i_minus_1): New.
6508 (cmpsi_1): New expander.
6509 (cmpqi_ext_1): Use match_ccmode
6510 (cmpqi_ext_3): New expander.
6511 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
6512 (cmpqi_ext_4): Use match_ccmode.
6513 (add?i_?): Use match_ccmode.
6515 (test?i_ccz_1): Remove
6517 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
6518 (testqi_ext_0): Use ix86_match_ccmode.
6519 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
6520 (xorqi_cc_ext_1): New expander.
6521 (shift patterns): Use CCGOCmode for all shifts except for sar.
6522 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
6523 (setcc_3, jcc_3, miv?icc_c): Remove.
6525 2000-09-15 Will Cohen <wcohen@redhat.com>
6527 * dwarf2out.c (add_const_value_attribute): Changed array into a
6528 xmalloced object, so it exists after function exit.
6529 (free_AT): Added case for dw_val_class_float to free allocated
6532 2000-09-15 Kazu Hirata <kazu@hxi.com>
6534 * config/i386/i386.md: Fix a comment typo.
6535 * gcc.c: Fix formatting.
6537 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
6539 * optabs.c (emit_libcall_block): If target is a user variable,
6540 copy to a temporary first.
6541 * expr.c (convert_move): When generating a libcall, make a libcall
6543 * calls.c (emit_library_call_value_1): Don't create a libcall
6544 sequence here; our caller will in most cases do it.
6546 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
6548 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
6549 * sh.md (reload_outsf): Generate recognizable patterns for
6551 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
6552 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
6553 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
6554 truncdfsf2_i4): Change not to use explicit references to fpul.
6555 (floatsisf2_ie): Remove USE of fpscr.
6556 (floatsisf2): Change default expansion to match this.
6557 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
6560 2000-09-15 Richard Henderson <rth@cygnus.com>
6562 * expmed.c (store_bit_field): Consider naturally aligned
6563 memory for direct reference.
6565 2000-09-15 Richard Henderson <rth@cygnus.com>
6567 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
6568 AND addresses into alias set 0.
6569 (alpha_expand_unaligned_store): Likewise.
6570 (alpha_expand_unaligned_load_words): Likewise.
6571 (alpha_expand_unaligned_store_words): Likewise.
6573 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
6575 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
6576 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
6578 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
6579 rsize of UNITS_PER_WORD.
6581 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
6583 * cpplex.c (ON_REST_ARG): Correct the test.
6584 (maybe_paste_with_next): Duplicate a token that fail pasting,
6585 and clear its PASTE_LEFT flag, so that nested pasting attempts
6588 2000-09-14 Richard Henderson <rth@cygnus.com>
6590 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
6591 * cse.c (rtx_cost): Likewise.
6592 * optabls.c (expand_binop): Likewise.
6593 (expand_twoval_binop, prepare_cmp_insn): Likewise.
6594 * regclass.c (copy_cost): Likewise.
6595 * reload1.c (reload_cse_move2add): Likewise.
6597 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
6599 * c-parse.in (reswords): Add _Complex.
6601 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6603 * gcc.1: Delete documentation for -undef preprocessor option.
6605 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
6607 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6608 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
6609 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
6610 Remove undefine before config/elfos.h.
6611 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
6613 2000-09-14 Kazu Hirata <kazu@hxi.com>
6615 * invoke.texi (H8/300 Options): Add -ms2600.
6616 * config/h8300.c (h8300_init_once): Output an error when -ms2600
6617 is used without -ms.
6618 * config/h8300.h (TARGET_MAC): New.
6619 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
6620 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
6621 machine other than H8/S2600.
6622 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
6625 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
6627 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
6628 pseudos that refer to the original pseudos, not only to their
6629 equivalent memory locations.
6631 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6633 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
6634 when making new MEM.
6636 * Makefile.in (LN): Remove duplicate definition.
6638 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
6640 From Joern Rennecke:
6641 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
6642 on an insn and function_invariant_p returns nonzero for the source,
6643 add a REG_EQUAL note.
6645 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
6647 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
6648 conflict with frame_pointer_rtx.
6650 2000-09-13 Kazu Hirata <kazu@hxi.com>
6652 * loop.c: Fix formatting.
6655 2000-09-13 Richard Henderson <rth@cygnus.com>
6657 * config/ia64/ia64.md (divsf3): New.
6658 (divsf3_internal_lat, divsf3_internal_thr): New.
6659 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
6660 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
6661 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
6662 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
6663 (nmadddf4_alts, nmadddf4_trunc): New.
6664 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
6665 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
6666 (multf3_truncsf_alts, multf3_truncdf_alts): New.
6667 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
6668 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
6669 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
6670 (nmaddtf4_truncdf_alts): New.
6671 (recip_approx): Don't predicate.
6673 2000-09-13 Richard Henderson <rth@cygnus.com>
6675 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
6677 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6679 * flags.h (flag_dump_rtl_in_asm): Declare.
6680 * toplev.c (flag_dump_rtl_in_asm): Define.
6681 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
6682 if -dP is specified.
6683 * rtl.h (print_rtx_head): Declare.
6684 * print-rtl.c (print_rtx_head): Define.
6685 (print_rtx): Print the string pointed to by print_rtx_head
6686 at beginning of each dump line.
6687 (print_rtl): Likewise.
6688 (print_rtl_single): Likewise.
6689 * final.c (final_scan_insn): Dump the insn in the assembly
6691 * gcc.1: Document -dP option.
6692 * invoke.texi (Debugging Options): Likewise.
6694 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6696 * md.texi (Machine Constraints): Document the 68HC11 constraints.
6697 * install.texi (Configurations): Document the 68HC11&68HC12 port.
6698 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
6700 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
6702 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
6703 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
6704 (*clrstrqi): Likewise.
6705 (xorhi3,xorsi3,absqi2): Likewise.
6706 (one_cmplhi2,one_cmplsi2): Likewise.
6707 (addsi3): Two stupid constraint alternatives removed.
6708 (extendhisi2): Use `movw' for enhanced avr cores.
6709 (zero_extendhisi2): Likewise.
6711 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
6713 * alias.c (find_base_term): Use frame_pointer_rtx
6714 when handling an ADDRESSOF.
6716 * cse.c (canon_hash): Handle USE of BLKmode memory.
6717 (cse_insn): Outgoing arguments for a libcall don't
6718 affect any recorded expressions.
6720 2000-09-12 Tom Tromey <tromey@cygnus.com>
6722 * configure, config.in: Rebuilt.
6723 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
6725 2000-09-12 Jakub Jelinek <jakub@redhat.com>
6727 * c-lex.c (lex_string): Use charwidth to compute bytemask.
6728 * expr.c (expand_expr): Don't optimize constant array references
6729 initialized with wide string constants.
6731 2000-09-13 Michael Hayes <mhayes@cygnus.com>
6733 * loop.c (note_set_pseudo_multiple_uses): Correct.
6735 2000-09-12 Jim Wilson <wilson@cygnus.com>
6737 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
6738 else block, and X has side-effects, then fail.
6740 2000-09-12 Greg McGary <greg@mcgary.org>
6742 * config/mips/mips-protos.h
6743 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
6744 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
6745 (PREDICATE_CODES): Add "trap_cmp_op".
6746 * config/mips/mips.c
6747 (trap_cmp_op, mips_gen_conditional_trap): New functions.
6748 * config/mips/mips.md (trap, conditional_trap): New patterns.
6750 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
6752 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
6755 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6757 * builtins.c (built_in_decls): New array.
6758 (expand_builtin_fputs): New function.
6759 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
6761 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
6763 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
6765 * tree.h (built_in_decls): New array.
6767 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
6769 * convex.md: Use "+" instead of "=" for outputs wrapped in a
6771 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
6773 2000-09-12 Kazu Hirata <kazu@hxi.com>
6775 * haifa-sched.c: Fix formatting.
6777 * genattrtab.c: Fix formatting.
6779 * unroll.c: Fix formatting.
6781 2000-09-12 Bruce Korb <bkorb@gnu.org>
6783 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
6784 remove obsolete code
6785 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
6786 * fixinc/fixincl.tpl: make non-exported arrays static scope
6787 * fixinc/fixincl.x: regenerate
6788 * fixinc/fixlib.h: Use PARAMS, not _P_
6789 * fixinc/fixtests.c: make a type for the test proc & use it
6790 * fixinc/server.h: Use PARAMS, not _P_
6792 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6794 * c-typeck.c (process_init_element): Avoid union init warnings on
6795 floating point zero. Don't crash on unions containing structs.
6797 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
6799 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
6800 general_movsrc_operand, and remove CONST_INT from
6801 general_movdst_operand.
6803 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
6805 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
6806 if a reference to non-fixed hardreg is seen. Otherwise, count hard
6807 regs with a higher cost.
6808 (preferrable): Deal with cases where either cost or regcost is
6810 (cse_insn): Use MAX_COST rather than 10000. Always initialize
6812 (COSTS_N_INSNS): Move definition...
6814 (MAX_COST): New macro.
6815 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
6818 2000-09-11 Mark Mitchell <mark@codesourcery.com>
6820 * c-common.h (genrtl_clear_out_block): Remove.
6821 * c-semantics.c (genrtl_clear_out_block): Remove.
6822 (genrtl_while_stmt): Don't call it.
6823 (genrtl_for_stmt): Likewise.
6825 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
6827 * cppfiles.c: Move all default-#defines to top of file.
6828 (open_include_file): Replace by lookup_include_file.
6829 (read_with_read, read_file): Merged into read_include_file.
6830 (stack_include_file, purge_cache): New functions.
6831 (close_cached_fd): Delete.
6832 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
6833 Cache the in-memory buffer, not the file descriptor.
6835 * cpphash.h (struct include_file): Add buffer, st, refcnt,
6837 (xcnew): New utility macro.
6838 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
6839 * cpplib.h (struct cpp_buffer): Remove mapped field.
6841 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
6843 * cpplex.c (parse_string): Accept backslash space newline as a
6845 (lex_line): Likewise.
6846 (_cpp_get_token): Remove hard limit on macro nesting.
6848 2000-09-12 Philipp Thomas <pthomas@suse.de>
6850 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
6851 * configure: Rebuilt.
6853 2000-09-13 Michael Hayes <mhayes@cygnus.com>
6855 * flow.c (split_block): Fix update of registers live at
6858 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
6860 * i386.md (add?i_3, add?i_5): New.
6861 (add?i_4): Rename from add?i_3; Fix compare pattern.
6862 (sub?i_3, xor?i_3, ior?i_3): New.
6864 * genrecog.c (write_tree): Output code to clear insn_extract cache.
6865 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
6866 instead of extract_insn and extract_constrain_insn_cache instead of
6867 extract_insn and constrain_operands.
6868 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
6870 (extract_insn): Clear which_alternative.
6871 (constrain_operands): Set which_alternative to -1 when failed.
6872 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
6875 2000-09-11 Matthew Hiller <hiller@redhat.com>
6877 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
6878 on operand 0 to '+'.
6879 (movstricthi): Likewise.
6881 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6883 * loop.h (LOOP_IVS): New macro.
6884 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
6885 (struct loop_ivs): New.
6886 (struct loop_info): Add ivs field.
6887 (reg_iv_type, reg_iv_info): Delete prototype.
6888 (reg_biv_class, loop_iv_list): Likewise.
6889 * loop.c (record_biv, find_life_end): Pass loop argument.
6890 (reg_iv_type): Remove global array and use
6891 field in loop_regs structure within loop_ivs structure.
6892 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
6893 (first_increment_giv, last_increment_giv): Use entry in
6895 (record_initial): Pass ivs pointer.
6896 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
6898 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6900 * loop.h (LOOP_REGS): New macro.
6901 (struct loop_regs): New.
6902 (struct loop_info): Add regs field.
6903 * loop.c (set_in_loop): Remove global array and store
6904 in loop_regs structure as part of loop_info structure.
6905 (n_times_set, may_not_optimize): Likewise.
6906 (reg_single_usage, moved_once): Likewise.
6907 (count_one_set): Add regs argument.
6908 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
6909 (set_pseudo_multiple_uses): Pass regs pointer.
6911 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6913 * unroll.c (iteration_info): Subsume into loop_iterations.
6914 * loop.h (loop_info): New field iv.
6916 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6918 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
6919 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
6920 (flow_loops_update): New prototype.
6921 (flow_loops_find): Add flags to prototype.
6922 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
6923 * flow.c (flow_loop_pre_header_scan): New.
6924 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
6925 (flow_loop_free): Free pre-header root and trace and exit dominators.
6926 (flow_loops_find): New argument flags.
6927 (flow_loops_update): New function.
6928 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
6930 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6932 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
6933 * flow.c (split_block, update_bb_for_insn): New functions.
6935 2000-09-11 Richard Henderson <rth@cygnus.com>
6937 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
6939 2000-09-11 Richard Henderson <rth@cygnus.com>
6941 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
6942 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
6943 (ia64_override_options): Prevent optimizing division for both
6944 latency and throughput.
6945 (rtx_needs_barrier): Handle frcpa.
6946 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
6947 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
6948 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
6949 (TARGET_SWITCHES): Add -minline-divide-min-latency and
6950 -minline-divide-max-throughput.
6951 (PREDICATE_CODES): Update.
6952 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
6953 (zero_extendsidi2): Likewise. Fix typo in f case insn.
6954 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
6955 (extendsftf2): Likewise.
6956 (extenddftf2): Likewise.
6957 (fix_trunctfdi2_alts): New.
6958 (fixuns_trunctfdi2_alts): New.
6959 (madd*4): Rename from madd*3.
6960 (divsi3, modsi3, udivsi3, umodsi3): New.
6961 (divsi3_internal): New.
6962 (divdi3, moddi3, udivdi3, umoddi3): New.
6963 (divdi3_internal_lat, divdi3_internal_thr): New.
6964 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
6965 (recip_approx): New.
6967 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
6969 * print-rtl.c (debug_call_placeholder_verbose): New variable.
6970 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
6972 * integrate.c (copy_rtx_and_substitute): Don't share
6973 LEAF_REG_REMAPpable registers with the inlined function. Don't
6974 share the function value with calling sequences.
6976 2000-09-11 Jakub Jelinek <jakub@redhat.com>
6978 * c-decl.c (do_case): Fix a typo.
6980 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
6981 to a if the comparison is floating mode and not -ffast-math.
6982 * simplify-rtx.c (simplify_ternary_operation): Likewise.
6984 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
6986 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
6987 gen_ic_invalidate_line.
6989 2000-09-11 Philip Blundell <pb@futuretv.com>
6991 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
6993 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
6995 * install.texi (LANGUAGES): Update to include new languages.
6998 2000-09-11 DJ Delorie <dj@redhat.com>
7000 * gcc.c (main): Don't warn about unused -B prefixes
7001 (unused_prefix_warnings): remove
7003 2000-09-11 Kazu Hirata <kazu@hxi.com>
7005 * final.c: Fix formatting.
7007 * integrate.c: Fix formatting.
7009 2000-09-11 Geoff Keating <geoffk@cygnus.com>
7011 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
7013 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
7015 * reload.c (regno_clobbered_p): Fix thinko in previous change.
7017 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7019 * gcc.1: Document 68hc11 specific options.
7021 2000-09-10 Geoff Keating <geoffk@cygnus.com>
7023 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
7024 (TARGET_LONG_DOUBLE_128): Define.
7025 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
7026 (LONG_DOUBLE_TYPE_SIZE): Redefine.
7027 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
7028 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
7029 of __LONG_DOUBLE_128__.
7030 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
7032 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
7033 (CPP_SYSV_DEFAULT_SPEC): Define.
7034 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
7035 (INIT_TARGET_OPTABS): Define.
7037 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
7038 (RS6000_UITRUNC): Likewise.
7039 (INIT_TARGET_OPTABS): New macro.
7040 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
7041 (trunc_defined): Delete.
7042 (output_prolog): Don't output .extern definitions for fp->int
7043 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
7044 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
7045 (trunc_defined): Delete.
7046 (RS6000_ITRUNC): Moved to aix.h.
7047 (RS6000_UITRUNC): Likewise.
7048 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
7049 only emit a libcall.
7050 (fixuns_truncdfsi2): Delete.
7051 (trunc_call): Delete.
7052 (trunc_call_rtl): Delete.
7054 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
7056 * varasm.c (make_decl_rtl): Restore leading star on
7057 DECL_ASSEMBLER_NAME set for decls with an asmspec.
7059 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
7061 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
7062 won't give a spurious error for '#pragma pack()'. Simplify
7063 control flow for readability. 'reset' action is not necessary.
7065 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
7067 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
7068 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
7069 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
7070 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
7072 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
7073 profile.c, sdbout.c, tradcif.y, tree.c:
7074 Include defaults.h if not already included.
7075 Don't define the above macros.
7077 * Makefile.in: Update dependencies.
7079 2000-09-10 Mark Mitchell <mark@codesourcery.com>
7081 * c-common.h (add_stmt): Change prototype.
7082 (RECHAIN_STMTS): New macro.
7083 (CASE_LABEL_DECL): Likewise.
7084 (genrtl_case_label): Change prototype.
7085 (c_expand_start_case): Remove prototype.
7086 (build_case_label): Change prototype.
7087 (decl_constant_value): Declare.
7088 * c-common.c (check_case_value): Handle C++'s extensions to C
7090 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
7092 * c-parse.in (stmt): Adjust handling of return statements and case
7094 * c-semantics.c (add_stmt): Return the new statement.
7095 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
7096 returned expression. Directly generate RTL, rather than calling
7098 (genrtl_switch_stmt): Don't call c_expand_start_case.
7099 (build_case_label): Take the LABEL_DECL as input, too.
7100 (genrtl_case_label): Just call add_case_node.
7101 (expand_stmt): Adjust calls to genrtl_return_stmt and
7103 * c-tree.h (c_expand_start_case): Declare.
7104 * c-typeck.c (decl_constant_value): Give it external linkage.
7105 (c_expand_return): Don't call expand_return or expand_null_return;
7106 use genrtl_return_stmt instead.
7107 * stmt.c (struct nesting): Remove num_ranges field.
7108 (add_case_node): Give it external linkage.
7109 (expand_start_case): Don't set num_ranges.
7110 (expand_start_case_dummy): Don't clear it.
7111 (pushcase): Rely on add_case_node to handle `default' labels.
7112 (add_case_node): Handle `default' labels.
7113 * tree.c (tree_int_cst_compare): New function.
7114 * tree.h (tree_int_cst_compare): Declare.
7115 (add_case_node): Likewise.
7117 2000-09-10 Richard Henderson <rth@cygnus.com>
7119 * c-parse.in: Revert last change.
7120 (init_reswords): Do not enter disabled keywords into the ridpointers
7121 table, modulo objc weirdness.
7122 (_yylex): Return the canonical spelling for a keyword.
7124 2000-09-10 Philip Blundell <philb@gnu.org>
7126 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
7127 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
7129 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
7131 * alias.c (find_base_term): Handle ADDRESSOF.
7132 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
7134 2000-09-10 Denis Chertykov <denisc@overta.ru>
7136 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
7137 outputting templates with many lines.
7139 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7141 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
7142 to decide whether 64-bit support must be generated.
7144 2000-09-10 Richard Henderson <rth@cygnus.com>
7146 * c-parse.in (asm patterns): Fix volatile check.
7148 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7150 * cppmacro.c (check_trad_stringification): New function.
7151 (save_expansion): If -Wtraditional, warn about stringification of
7154 2000-09-11 Michael Hayes <mhayes@cygnus.com>
7156 * loop.h (struct loop_mem_info): Move from loop.c
7157 (struct loop_info): Add fields store_mems, mems, mems_idx,
7158 mems_allocated, unknown_address_altered,
7159 unknown_constant_address_altered, num_mem_sets, and
7160 first_loop_store_insn.
7162 * loop.c (loop_store_mems): Replace with field in loop_info struct.
7163 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
7164 (unknown_address_altered, unknown_constant_address_altered): Likewise.
7165 (num_mem_sets): Likewise.
7166 (replace_loop_mems, replace_loop_regs): New.
7167 (struct loop_replace_args): New.
7168 (load_mems): Use replace_loop_mems.
7169 (try_copy_prop): Use replace_loop_regs.
7170 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
7172 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7174 * configure.in: Recognize m6811-elf and m6812-elf.
7175 * configure: Regenerate.
7177 2000-09-09 Geoff Keating <geoffk@cygnus.com>
7179 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
7182 2000-09-10 Michael Hayes <mhayes@cygnus.com>
7184 * loop.c (struct movables): New.
7185 (num_movables): Move into struct movables.
7186 (the_movables): Change type to struct movables.
7187 (ignore_some_movables): Change struct movable arg to struct movables.
7188 (force_movables, combine_movables, regs_match_p): Likewise.
7189 (rtx_equal_for_loop_p, move_movables): Likewise.
7190 (scan_loop): Change movables to be of type struct movables.
7191 Replace last_movable with field in movables structure.
7193 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
7195 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
7196 (init_pragma): Avoid warning if pfile happens to be unused.
7197 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
7198 define init_pragma to nothing. Always prototype
7199 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
7201 * c-lex.c (process_directive): Always call dispatch_pragma.
7202 Initialize entering_c_header to 0.
7204 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7206 * config/m68hc11/m68hc11.md: New file, machine description for
7208 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
7209 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
7210 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
7211 * config/m68hc11/m68hc11-protos.h: New file.
7212 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
7213 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
7214 * config/m68hc11/xm-m68hc11.h: New file, target defs.
7215 * config/m68hc11/larith.asm: New file, libgcc routines.
7217 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7219 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
7220 (FPBIT_FUNCS): Add _usi_to_sf.
7221 * config/fp-bit.c (usi_to_float): New function.
7222 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
7223 (usi_to_float): Add appropriate #define.
7225 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
7227 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
7229 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
7230 * i386.md (attr "type"): Add sse and mmx types.
7231 (attr "memory"): Handle them without a crash.
7232 (movsi_1, movdi_2): Allow MMX regs.
7233 (movdi splits): Don't split moves involving MMX regs.
7234 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
7235 (movv4sf_internal, movv4si_internal, movv8qi_internal,
7236 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
7237 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
7238 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
7239 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
7240 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
7241 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
7242 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
7243 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
7244 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
7245 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
7246 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
7247 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
7248 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
7249 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
7250 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
7251 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
7252 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
7253 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
7254 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
7255 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
7256 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
7257 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
7258 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
7259 mmx_clrdi): New patterns.
7261 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
7263 * arm.c: Don't include tm.h directly.
7265 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
7267 * recog.c (validate_replace_rtx_1): Fix confusion about equality
7268 testing; simplify subregs of constants and nested subregs.
7270 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
7272 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
7274 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
7276 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
7278 * rtl.texi (description of USE): Add note about possible pitfalls
7280 From Richard Henderson:
7281 * reload1.c (choose_reload_regs): Compute need_mode properly.
7283 2000-09-07 Richard Henderson <rth@cygnus.com>
7285 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
7286 (__modsi3, __umodsi3): Likewise.
7287 (__udivsi3): Likewise. Normalize the TFmode values.
7289 2000-09-07 Geoff Keating <geoffk@cygnus.com>
7291 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
7293 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
7296 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
7298 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
7299 (cmpeqdi_t): Add output pattern.
7300 (cmpeqdi_t+1): Don't split when not optimizing.
7301 Restore proper splitting operation.
7303 2000-09-07 Richard Henderson <rth@cygnus.com>
7305 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
7306 do not call dispatch_pragma.
7308 2000-09-07 Jim Wilson <wilson@cygnus.com>
7310 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
7311 to CLASS_CANNOT_CHANGE_MODE.
7312 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
7313 mode classes are different.
7315 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
7317 * cpplib.h (struct cpp_options): Add user_label_prefix member,
7318 left out of commit which removed cppulp.c.
7320 2000-09-07 Richard Henderson <rth@cygnus.com>
7322 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
7323 after switch for CASE_DROPS_THROUGH.
7325 2000-09-07 Richard Henderson <rth@cygnus.com>
7327 * loop.c (strength_reduce): Call check_ext_dependant_givs.
7328 Properly extend the biv initial value for the giv.
7329 (record_biv): Zero ext_dependant.
7330 (record_giv): New argument ext_val. Update all callers.
7331 (general_induction_var): Likewise.
7332 (consec_sets_giv): Likewise.
7333 (simplify_giv_expr): Likewise. Fill in ext_val if we find
7334 a sign-extend, zero-extend, or truncate.
7335 (combine_givs_p): Make sure modes are compatible.
7336 (check_ext_dependant_givs): New.
7337 (extend_value_for_giv): New.
7338 * loop.h (struct induction): Add ext_dependant.
7339 * unroll.c (iteration_info): Extend the biv initial value for the giv.
7340 (find_splittable_givs): Likewise.
7341 (final_giv_value): Likewise.
7343 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
7345 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
7346 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
7347 definitions from cpplib.h.
7348 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
7350 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
7351 documentation for REGISTER_TARGET_PRAGMAS.
7353 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
7354 default-pragma callback to implement -Wunknown-pragmas if
7356 * c-parse.in: Move all includes to top of file.
7357 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
7359 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
7361 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
7363 * arm.h, arm-protos.h, arm.c,
7364 c4x.h, c4x-protos.h, c4x.c,
7365 h8300.h, h8300-protos.h, h8300.c,
7366 i370.h, i370-protos.h, i370.c,
7367 i960.h, i960-protos.h, i960.c,
7368 sh.h, sh-protos.h, sh.c,
7369 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
7370 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
7372 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
7373 multiple include guard.
7374 * i370.md (untyped_call): Use GEN_CALL.
7375 (umodsi3): Remove unused variable.
7376 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
7377 * v850.c (output_move_single, output_move_double): Constify
7379 (print_operand): Constify a char *.
7380 * v850.h (struct small_memory_info): Constify name member.
7382 2000-09-07 Kazu Hirata <kazu@hxi.com>
7384 * config/h8300.h: Fix comment typos.
7385 * config/h8300/h8300.md: Likewise.
7386 * config/h8300/lib1funcs.asm: Likewise.
7388 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
7390 * Makefile.in: Remove references to cppulp.{c,o}.
7391 * cppinit.c (initialize_builtins, cpp_start_read,
7392 cpp_handle_option): Update to use cpp_options structure.
7395 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
7397 * c-common.c (time_char_table): Allow %#b and %#h.
7399 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7401 * reorg.c (find_end_label): If the basic block reorder pass moves the
7402 return insn to some other place try to locate it again and put our
7403 end_of_function_label there.
7404 * reorg.c (relax_delay_slots): Check if find_end_label created a
7405 new label that invalidates the current optimazation.
7407 2000-09-07 Catherine Moore <clm@redhat.com>
7409 * unroll.c (unroll_loop): Check for unconditional jumps
7410 to loop continuation. Delete if n_iterations is 1.
7411 (ujump_to_loop_cont): New routine.
7413 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
7415 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
7417 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
7418 to handle multiword modes correctly. All callers and the declaration
7421 2000-09-06 Mark Mitchell <mark@codesourcery.com>
7423 * c-common.h (prep_stmt): Declare.
7424 (lang_expand_stmt): Likewise.
7425 * c-decl.c (lang_expand_stmt): Remove.
7426 * c-semantics.c (lang_expand_stmt): Define.
7427 (prep_stmt): New function.
7428 (expand_stmt): Handle common statement types here.
7430 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
7432 * configure.in (sh-*-linux*): Added.
7433 * configure: Rebuilt.
7434 * config/sh/t-linux: New file.
7435 * config/sh/sh.h (USERMODE_BIT): Define.
7436 (TARGET_USERMODE): Likewise.
7437 (TARGET_SWITCHES): New switches for the bits above.
7438 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
7439 * config/sh/linux.h: New file.
7440 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
7441 underscore on linux.
7442 (L_sdivsi3, L_udivsi3): Define for linux.
7443 (L_ic_invalidate): Define.
7444 * invoke.texi (SH Options): Document -musermode.
7446 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
7448 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
7449 CSE unless generating PIC.
7451 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
7454 2000-09-06 H.J. Lu (hjl@gnu.org)
7456 * Makefile.in (clean_s1): Depend on stage_b.
7457 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
7458 stage2. They are used for "make compare".
7460 2000-09-06 Mark Mitchell <mark@codesourcery.com>
7462 Move statement-tree facilities from C++ to C front-end.
7463 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
7464 (void_zero_node): New macro.
7465 (struct stmt_tree_s): New type.
7466 (stmt_tree): New typedef.
7467 (struct language_function): New type.
7468 (last_tree): New macro.
7469 (last_expr_type): Likewise.
7470 (walk_tree_fn): New typedef.
7471 (current_stmt_tree): New function.
7472 (begin_stmt_tree): Likewise.
7473 (add_stmt): Likewise.
7474 (finish_stmt_tree): Likewise.
7475 (statement_code_p): Likewise.
7476 (lang_statement_code_p): New variable.
7477 (walk_stmt_tree): New function.
7478 (STMT_IS_FULL_EXPR_P): New macro.
7479 * c-common.c (lang_statement_code_p): New variable.
7480 (c_common_nodes_and_builtins): Initialize void_zero_node.
7481 (statement_code_p): New function.
7482 (walk_stmt_tree): Likewise.
7483 * c-decl.c (language_function): Rename to ...
7484 (c_language_function): ... this. Include language_function.
7485 (push_c_function_context): Adjust accordingly.
7486 (pop_c_function_context): Likewise.
7487 (mark_c_function_context): Likewise.
7488 (current_stmt_tree): Define.
7489 * c-semantics.c (begin_stmt_tree): New function.
7490 (add_stmt): Likewise.
7491 (prune_unused_decls): Likewise.
7492 (finish_stmt_tree): Likewise.
7494 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7496 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
7498 2000-09-06 Kazu Hirata <kazu@hxi.com>
7500 * calls.c: Fix formatting.
7502 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
7504 * config/i386/i386.h (ADDRESS_COST): Fix typo.
7506 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
7508 Integrated preprocessor.
7510 * Makefile.in: Remove all references to c-parse.gperf,
7511 c-gperf.h, and c-parse.h. Remove -d from yacc command line
7512 generating c-parse.c. Update dependencies.
7513 * c-parse.gperf, c-gperf.h: Delete.
7515 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
7516 yy_lim, or yy_get_token. Don't define get_directive_line if
7518 * c-common.h: Add multiple include guard. Define RID values
7519 for every keyword in C, C++, and Objective C. Put all the
7521 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
7522 * c-decl.c (c_decode_option): Handle -lang-objc here.
7523 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
7524 (grokdeclarator): Adjust for new RID scheme.
7525 (extract_interface_info): New stub.
7526 * c-lang.c: Don't declare yy_cur or parse_options.
7527 (lang_init_options): Call cpp_init. Don't call
7529 (lang_init): Don't call check_newline if USE_CPPLIB.
7531 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
7532 Elide lots of unnecessary code if USE_CPPLIB. Delete code
7533 rendered unnecessary by new architecture. Move routines not
7534 shared with C++ to c-parse.in. Maintain a local idea of the
7535 line number. Handle C++ as well as C.
7536 [USE_CPPLIB]: Declare and register callbacks for #ident and
7537 for entering/leaving files.
7538 (init_c_lex, c_lex): Are now the entry points to this file.
7539 (check_newline): Break out directive handling to
7541 (read_ucs, is_extended_char, utf8_extend_token): Moved here
7543 (readescape, parse_float): Overhaul.
7544 (lex_number, lex_string, lex_charconst): Break out of c_lex
7546 (get_fileinfo, update_header_times, dump_one_header,
7547 dump_time_statistics): New and/or moved here from C++.
7548 Support per-file data needed by C++ and per-header timing
7549 statistics (C++ only, at the moment).
7550 * c-lex.h: Update prototypes. Add multiple include guard.
7551 * c-tree.h (struct lang_identifier): Add rid_code field.
7552 (C_IS_RESERVED_WORD, C_RID_CODE): New.
7554 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
7555 reinit_parse_for_function and/or position_after_white_space.
7556 (save_filename, save_lineno): Look ahead before saving.
7557 (label -> identifier ':'): Save file and line before shifting ':'.
7558 (reservedwords): No need to call get_identifier.
7559 (init_parse, finish_parse, yyerror, yylex, yyprint,
7560 make_pointer_declarator): Are now here for C/ObjC.
7561 (rid_to_yy): Conversion table from RID constants to Yacc codes.
7563 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
7564 #pragma registry. Provide dummy implementation of that
7565 interface if !USE_CPPLIB.
7566 * c-pragma.h: Update to match.
7568 * flags.h: Add multiple include guard.
7569 (flag_detailed_statistics): Moved here from C++.
7570 * toplev.c: Define flag_detailed_statistics.
7572 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
7574 * timevar.def (TV_CPP, TV_LEX): New.
7575 * timevar.h: Add multiple include guard.
7577 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
7579 * objc/objc-act.c: Don't mention yy_cur or parse_options.
7580 Initialize cpplib properly. Force lineno to 0 after first
7581 call to check_newline. Don't handle -lang-objc here.
7582 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
7584 2000-09-06 David Edelsohn <edelsohn@gnu.org>
7586 * rs6000.md: Correct function unit definitions for cr_logical and
7588 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
7589 and use portable method for >=0 and floating point >=. Remove
7590 associated matchers.
7592 2000-09-06 Mark Mitchell <mark@codesourcery.com>
7594 * extend.texi: Mark named return value extension as deprecated.
7596 2000-09-06 Geoff Keating <geoffk@cygnus.com>
7598 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
7601 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
7603 * toplev.c (display_help): Fix thinko in documentation.
7605 * diagnostic.h (output_buffer::indent_skip): New fields.
7606 (output_indentation): New macro.
7608 * diagnostic.c (output_indent): New function.
7609 (output_set_prefix, clear_diagnostic_info): Use.
7610 (output_emit_prefix): Predict future indentation.
7612 2000-09-06 DJ Delorie <dj@redhat.com>
7614 * Makefile.in (stage_*): add more dependencies to ensure parallel
7615 builds build correctly
7617 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
7619 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
7620 not bootstrap-lean_f.
7622 2000-09-06 Andreas Schwab <schwab@suse.de>
7624 * mklibgcc.in: Emit rule for libgcc-stage-start.
7625 * Makefile.in (stage1-start, stage2-start, stage3-start,
7626 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
7628 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
7630 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
7631 (update_equiv_regs): Likewise, except for the mn10200 kludge.
7632 (combine_regs): Likewise.
7634 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
7635 * cse.c: Include "basic-block.h".
7636 (struct table_elt): New field REGCOST.
7637 (CHEAP_REG): Delete macro.
7638 (COST): Return 0 for REGs.
7639 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
7640 (notreg_cost): Return 0 for appropriate SUBREGs.
7641 (COSTS_N_INSNS): Return N * 2.
7642 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
7644 (CHEAPER): Use new function preferrable.
7645 (insert): Initialize REGCOST member.
7646 (find_best_addr): Use approx_reg_cost for estimation of register
7648 (cse_insn): Likewise.
7649 * loop.c (iv_add_mult_cost): New function.
7650 (add_cost, shift_cost, mult_cost): Delete variables.
7651 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
7652 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
7653 Make code that detects autoinc opportunities slightly less optimistic.
7654 (simplify_giv_expr): If expression contains other reg that is also a
7655 giv, only increment benefit if this is the only use of that reg.
7656 (consec_sets_giv): Take that change into account.
7657 (combine_givs): Slightly more verbose output.
7659 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
7660 not the cost of an equivalent shift.
7661 * sh-protos.h (addsubcosts): Declare.
7662 * sh.c (addsubcosts): New function.
7663 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
7664 (RTX_COSTS): Tweak. Use addsubcosts.
7665 (ADDRESS_COST): Return higher cost for reg+reg addressing.
7667 2000-09-06 Geoff Keating <geoffk@cygnus.com>
7669 * config/rs6000/rs6000.c (validate_condition_mode): New function.
7670 (branch_comparison_operator): Call validate_condition_mode to
7671 abort rather than returning 0.
7672 (branch_positive_comparison_operator): New function.
7673 (scc_comparison_operator): Call validate_condition_mode to abort
7674 rather than returning 0.
7675 (ccr_bit): Call validate_condition_mode. Update for
7677 (print_operand): Delete %C modifier. Update %E case
7678 to use EQ bit not SO bit.
7679 (rs6000_reverse_condition): New function.
7680 (rs6000_generate_compare): New function.
7681 (rs6000_emit_sCOND): New function.
7682 (rs6000_emit_cbranch): New function.
7683 (output_cbranch): The length of a long branch insn is
7684 now only 8 bytes. Add validate_condition_mode. Use
7685 rs6000_reverse_condition. Remove cror generation.
7687 * config/rs6000/rs6000.h: Update comments.
7688 (PREDICATE_CODES): Add new predicate. Update codes used
7689 by branch_comparison_operator and scc_comparison_operator.
7690 * config/rs6000/rs6000-protos.h: Add prototypes for
7691 new external functions.
7692 * config/rs6000/rs6000.md: Add new scheduling parameters
7693 for cr_logical instructions. Change length of branch
7695 (bCOND patterns): Call rs6000_emit_cbranch.
7696 (sCOND patterns): Call rs6000_emit_sCOND.
7697 (branch patterns): Change lengths to 4.
7698 (cr logical patterns): New.
7700 2000-09-06 Richard Henderson <rth@cygnus.com>
7702 * config/i386/i386.md (call_pop): Fix test for setting
7703 current_function_uses_pic_offset_table.
7704 (call, call_value_pop, call_value): Likewise.
7706 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
7708 * timevar.c (timevar_add): Delete.
7709 (timevar_get): Also count time since the selected timer was
7710 last updated. Do not examine the timevar stack if the
7711 selected timer is standalone.
7713 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7715 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
7717 2000-09-05 Jason Merrill <jason@redhat.com>
7719 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
7720 for 'extern' arrays.
7722 2000-09-05 Richard Henderson <rth@cygnus.com>
7724 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
7725 Eliminate final copy from non-trapping case.
7726 (__divdf3, __divsf3): Likewise.
7728 2000-09-05 Richard Henderson <rth@cygnus.com>
7730 * config/ia64/ia64.md (mulhi3): Fix typo last change.
7731 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
7733 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
7735 * Makefile.in: Restructure bootstrap stages to allow clean
7736 restart after failure.
7738 2000-09-05 Richard Henderson <rth@cygnus.com>
7740 * config/ia64.md (movsi and movdi patterns): Allow moves from
7741 8-bit constants to AR registers.
7743 2000-09-05 Richard Henderson <rth@cygnus.com>
7745 * config/ia64/ia64.md (mulhi3): New.
7747 2000-09-05 Richard Henderson <rth@cygnus.com>
7749 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
7750 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
7751 Optimization Guide, minimum latency alternative.
7752 (__moddi3, __udivdi3, __umoddi3): Likewise.
7753 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
7755 2000-09-05 Bruce Korb <bkorb@gnu.org>
7757 * fixinc/fixincl.c (load_file): always read header files
7758 with sizes that are a multiple of the page size.
7759 & use libiberty's getpagesize for determining that.
7761 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
7763 * gcse.c (hash_string_1): Add prototype.
7764 * cse.c (canon_hash_string): Likewise.
7766 2000-09-04 Craig Newell <CraigN@ieee.org>
7768 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
7770 2000-09-04 Andreas Schwab <schwab@suse.de>
7772 * Makefile.in (STAGESTUFF): Remove libgcc.
7773 (stage1-start, stage2-start, stage3-start): Copy the contents of
7774 the libgcc directory explicitly.
7775 (mostlyclean): Clean libgcc.
7777 2000-09-04 Andrew Haley <aph@redhat.com>
7779 * dwarf2out.c: (stack_adjust_offset): New prototype.
7781 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
7783 * combine.c (make_extraction): Fix rtx_cost comparison to
7786 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
7788 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
7789 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
7790 Add '*' to insn pattern name.
7792 2000-09-04 Jakub Jelinek <jakub@redhat.com>
7794 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
7795 use posn - 1 to index into tokens array.
7796 (maybe_paste_with_next): Adjust caller.
7798 2000-09-03 Geoff Keating <geoffk@cygnus.com>
7800 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
7802 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
7803 (REGNO_REG_CLASS): Use symbolic register
7806 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
7808 * arm.c (final_prescan_insn): If the form of a jump insn isn't
7809 recognized, don't try to conditionally execute it.
7811 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
7813 * config/avr/avr.md ("*tablejump_lib"): New pattern.
7814 (call_value_insn): Right length claculation.
7815 (call_insn): Likewise.
7817 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
7819 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
7820 gas_output_limited_string, gas_output_ascii, output_movqi,
7821 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
7822 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
7823 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
7824 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
7825 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
7826 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
7827 Add "const" as needed to remove warnings.
7829 * config/avr/avr.c (avr_override_options, avr_init_once,
7830 function_prologue, function_epilogue, frame_pointer_required_p,
7831 class_likely_spilled_p, order_regs_for_local_alloc,
7832 avr_address_cost, avr_ret_register): Use K&R style arguments.
7833 (initial_elimination_offset, gas_output_limited_string):
7834 Remove ATTRIBUTE_UNUSED from the used arguments.
7835 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
7836 Use local variables src, dest, base to access operands[].
7837 Rename reg_dest to reg_src if that's what it is.
7838 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
7839 constants to LD_REGS if reg_was_0.
7840 (output_reload_insisf): Change arg 3 to insn length and set it.
7841 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
7842 access to 16-bit I/O register pairs.
7843 (avr_address_cost): Lower cost for the above case.
7844 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
7845 may be clobbered, also for LD_REGS.
7846 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
7849 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
7851 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
7852 macro to test_hard_reg_class function.
7853 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
7854 for loading immediate constants to LD_REGS.
7855 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
7858 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
7860 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
7861 * config/avr/libgcc.S: Lost part of the previous patch.
7863 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7865 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
7866 object before calling pthread_mutex_init.
7868 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
7870 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
7871 config/sh/crtn.asm: New files.
7872 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
7873 (crt1.o, crti.o, crtn.o): New targets.
7874 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
7876 * configure: Rebuilt.
7877 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
7878 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
7879 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
7880 Undefine for config/elfos.h to redefine.
7881 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
7883 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
7885 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
7886 legitimize_pic_address, output_pic_addr_const): Declare.
7887 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
7888 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
7889 (TARGET_SWITCHES): New switch -mprefergot.
7890 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
7891 (PIC_OFFSET_TABLE_REGNUM): Define.
7892 (GOT_SYMBOL_TABLE): Likewise.
7893 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
7894 (ENCODE_SECTION_INFO): Define.
7895 (FINALIZE_PIC): New macros.
7896 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
7897 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
7898 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
7899 (prepare_move_operands): Call emit_pic_move or
7900 emit_pic_const_move if appropriate.
7901 (output_far_jump): For PIC, use braf and output long offset.
7902 (machine_dependent_reorg):
7903 (sh_expand_prologue): Save and initialize the PIC register.
7904 (sh_expand_epilogue): Restore it.
7905 (initial_elimination_offset): Account for it.
7906 (nonpic_symbol_mentioned_p): New function.
7907 (legitimize_pic_address): Likewise.
7908 (output_pic_addr_const): Likewise.
7909 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
7910 (call, call_value): Use them.
7911 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
7912 symPLT_label2reg): New expands.
7913 * invoke.texi (SH Options): Document -mprefergot.
7915 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
7917 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
7918 * gcse.c (hash_string_1): New function.
7919 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
7920 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
7921 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
7922 (canon_hash_string): New function.
7923 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
7924 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
7925 (fold_rtx): Use ASM_OPERANDS accessor macros.
7926 * emit-rtl.c (copy_insn_1): Likewise.
7927 * integrate.c (copy_rtx_and_substitute): Likewise.
7928 * stmt.c (expand_asm_operands): Likewise. Give an
7929 ASM_OPERANDS rtx the mode of the output reg being set from it.
7931 2000-09-01 Fred Fish <fnf@be.com>
7933 * fix-header.c (write_rbrac): Add putc and getc to list of
7934 functions to protect against prior definition as a macro.
7936 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
7938 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
7939 (c_size_type_node): Define.
7940 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
7941 * c-common.c (enum format_lengths, enum format_std_version,
7942 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
7943 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
7944 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
7945 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
7946 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
7947 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
7948 format_types): Define.
7949 (format_char_info, print_char_table, scan_char_table,
7950 time_char_table): Rearrange for new organization of information
7951 about format length modifiers and standard versions.
7952 (T_ST): Redefine to use c_size_type_node.
7953 (check_format_info): Obtain information about length modifiers and
7954 standard versions from tables. Adjust warning message wordings.
7955 Use the name from the user's program for `ll' and `hh' length
7956 modifiers in warning messages. Use more informative names for
7957 wanted types where available (for wchar_t, wint_t, size_t, signed
7958 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
7960 2000-09-01 Jim Wilson <wilson@cygnus.com>
7962 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
7963 * combine.c (distribute_notes): Handle REG_NORETURN.
7964 * rtl.c (reg_note_name): Add REG_NORETURN.
7965 * rtl.h (enum reg_note): Likewise.
7967 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
7969 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
7970 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
7971 (emit_predicate_relation_info): Handle conditional calls with
7973 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
7974 instead of ia64_file_start.
7975 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
7976 * config/ia64/ia64.md (safe_across_calls_all,
7977 save_across_calls_normal): New patterns.
7979 * loop.c (check_final_value): Check for biv use before checking for
7980 giv use. Check for both biv and giv uses. Always set last_giv_use
7981 if there is a giv use.
7983 2000-09-01 Richard Henderson <rth@cygnus.com>
7985 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
7986 (madddi3): Likewise.
7989 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7991 * expr.c (clear_storage): Don't use emit_move_insn unless
7992 either BLKmode or proper size.
7993 (store_constructor): Don't call clear_storage if REG of wrong size.
7995 * flow.c (init_propagate_block_info): Don't mark frame dead at end
7996 of function if returns wiht stack pointer depressed.
7998 2000-09-01 Andrew Haley <aph@redhat.com>
8000 * dwarf2out.c (stack_adjust_offset): New function.
8001 (dwarf2out_stack_adjust): Break out stack adjust logic into
8002 new stack_adjust_offset function. Look inside parallels and
8003 sequences for stack adjustments.
8005 2000-08-31 Jeff Law <law@cygnus.com>
8007 * arm.md: Use no_new_pseudos to determine when it is safe
8008 to create new pseudo registers.
8010 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
8011 when we can safely allocate new registers.
8013 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
8015 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
8016 so that CONCATs are not generated for ASMs.
8017 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
8018 not generating_concat_p.
8019 * function.c (pop_function_context_from): Reset
8020 generating_concat_p.
8021 (prepare_function_start): Likewise.
8022 * rtl.c (generating_concat_p): Define.
8023 * rtl.h (generating_concat_p): Declare.
8024 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
8026 2000-08-22 Philipp Thomas <pthomas@suse.de>
8027 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
8029 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
8032 2000-08-30 Greg McGary <greg@mcgary.org>
8034 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
8035 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
8036 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
8038 2000-08-30 Greg McGary <greg@mcgary.org>
8040 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
8041 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
8042 (TREE_INT_CST): New macro.
8043 * varasm.c (const_hash, compare_constant_1, record_constant_1):
8044 Use new macro TREE_INT_CST.
8046 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
8048 * contrib.texi: Add self.
8050 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
8052 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
8053 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
8056 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8058 * fixinc/gnu-regex.c: Don't define `const'.
8060 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8062 * expr.c (store_constructor): Allow variable bounds of array type.
8063 (expand_expr): Don't blow up if type is ERROR_MARK.
8064 * varasm.c (output_constructor): Don't access lower bound of array
8065 type unless need it if index is supplied (so it can be a variable
8066 if no index is supplied).
8067 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
8068 Other minor cleanups.
8070 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8072 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
8073 for compilations in stage 1 and subsequent stages, respectively.
8074 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
8075 * configure: Rebuilt.
8076 * x-vax, x-vax-gcc: Deleted.
8078 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
8080 * c-common.c (declare_function_name): Use func_id_node,
8081 function_id_node, and pretty_function_id_node. Do not make
8082 __func__ visible at file scope.
8083 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
8084 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
8085 (function_id_node, pretty_function_id_node, func_id_node): New
8087 * c-decl.c (init_decl_processing): Initialize function_id_node,
8088 pretty_function_id_node, and func_id_node.
8089 (c_make_fname_decl): Correct comment.
8091 * tree.h (struct tree_identifier): Constify pointer member.
8093 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
8094 * c-pragma.h (struct weak_syms): Constify name and value members.
8095 (add_weak): Constify arguments.
8097 * calls.c (special_function_p): Constify a char *.
8098 (expand_call): Remove variable which is initialized and then
8100 * dependence.c (struct def_use, struct induction, struct subscript):
8101 Constify 'variable' member.
8102 (get_low_bound, have_induction_variable): Constify char * argument.
8103 (find_induction_variable): Add braces to avoid dangling else.
8104 (classify_dependence): Constify char * arrays.
8105 * profile.c (output_func_start_profiler): Constify a char *.
8106 * stor-layout.c (finalize_record_size): Constify a char *.
8107 * tree.c (is_attribute_p): Constify a char *.
8108 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
8110 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
8111 for comprehensibility. Do not call get_identifier if we did
8112 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
8113 create temporary string constants, not ggc_alloc_string. No
8114 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
8115 char * to hold IDENTIFIER_POINTERs.
8117 2000-08-29 Richard Henderson <rth@cygnus.com>
8119 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
8122 2000-08-29 Richard Henderson <rth@cygnus.com>
8124 * reload.c (push_secondary_reload): Allow class == reload_class
8125 if we're using a reload_in/out pattern.
8127 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
8128 the half that does not conflict with the reload register.
8129 (reload_outti): Likewise.
8131 2000-08-29 Kazu Hirata <kazu@hxi.com>
8133 * reload.c: Fix formatting.
8135 * stmt.c: Fix formatting.
8137 * gcc.c: Fix formatting.
8139 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
8141 * flags.h (time_report, mem_report): New global flags.
8142 * toplev.c: Define time_report and mem_report.
8143 (f_options): Add -ftime-report and -fmem-report.
8144 (compile_file): Turn on time_report if quiet_flag is off.
8145 Call ggc_print_statistics at very end if mem_report is on.
8146 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
8148 * ggc-common.c (ggc_print_statistics): Rename to
8149 ggc_print_common_statistics; all callers changed. Scale
8150 quantities above 10K to kilobytes and above 10M to megabytes.
8151 * ggc-page.c (ggc_page_print_statistics): Rename to
8152 ggc_print_statistics. Report memory consumed by internal data
8153 structures for each allocation bucket. Scale quantities above
8154 10K to kilobytes and above 10M to megabytes.
8155 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
8156 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
8157 Define tally_leaves always.
8158 (ggc_print_statistics): New function.
8159 * ggc.h: Adjust for renamed functions.
8161 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
8163 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
8164 output_movsisf instead of which_alternative.
8166 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
8168 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
8170 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
8171 (avr_progmem_p): New prototype.
8172 (output_movsisf): Prototype declaration changed.
8173 (output_movqi): New prototype.
8174 (output_movhi): New prototype.
8175 (call_insn_operand): Likewise.
8176 (final_prescan_insn): Likewise.
8177 (avr_simplify_comparision_p): Likewise.
8178 (avr_normalize_condition): Likewise.
8179 (compare_eq_p): Likewise.
8180 (out_shift_with_cnt): Likewise.
8181 (const_int_pow2_p): Likewise.
8182 (output_reload_inhi): Prototype declaration changed.
8184 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
8185 (ldi_reg_rtx): New. rtx for r31.
8186 (avr_init_stack): Initialize as "__stack".
8187 (function_prologue): Use it.
8188 Replace all TARGET_ENHANCED with AVR_ENHANCED.
8189 (avr_mcu_name): Initialize as "avr2".
8190 (avr_enhanced_p, avr_mega_p): New variables.
8191 (mcu_types, avr_override_options): Handle all known MCU types.
8192 Also handle avr1 (only preprocess, assemble and link).
8193 (print_operand): Using of `%K' in output template removed.
8194 (out_movqi_r_mr): Optimized.
8195 (out_movhi_r_mr): Likewise.
8196 (output_movqi): New function.
8197 (output_movhi): Likewise.
8198 (out_movsi_r_mr): Optimized.
8199 (output_movsisf): Compute insn length for `adjust_insn_length'
8200 (out_movqi_mr_r): Optimized.
8201 (out_movhi_mr_r): Optimized.
8202 (adjust_insn_length): Use output_movsisf, output_movqi,
8203 output_movhi for insn length adjusting.
8204 (reg_unused_after): Use dead_or_set_p.
8205 (preferred_reload_class): Now havn't any restriction.
8206 (reg_was_0): New function.
8207 (io_address_p): Likewise.
8208 (const_int_pow2_p): Likewise.
8209 (output_reload_inhi): Likewise.
8210 (output_reload_insisf): Likewise.
8212 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
8213 (LIB_SPEC): Use -lc for all supported devices.
8214 (LIBGCC_SPEC): Use -lgcc for all supported devices.
8215 (AVR_MEGA): Define as avr_mega_p.
8216 (AVR_ENHANCED): New, define as avr_enhanced_p.
8217 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
8218 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
8219 (CRT_BINUTILS_SPECS): Handle all known MCU types.
8220 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
8221 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
8222 (ASM_SPEC): Pass -mmcu=... to the assembler.
8223 Change all -DAVR_* to -D__AVR_*__.
8224 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
8225 Rename library functions to start with two underscores.
8226 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
8228 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
8229 (SUPPORTS_WEAK): Likewise.
8230 (LDI_REG_REGNO): New. Register r31 will be used as temporary
8231 register for loading constants to r0-r14.
8233 * config/avr/avr.md: Replace all TARGET_ENHANCED with
8235 (*mov_r_sp): Removed. Handled by output_movhi.
8236 (*mov_sp_r): Likewise.
8237 (*mov_sp_r_no_interrupts): Likewise
8238 (*mov_sp_r_tiny): Likewise.
8239 (*movqi): Use output_movqi.
8240 (*reload_inqi): New.
8241 (*movhi): Use output_movhi.
8242 (*reload_inhi): New.
8243 (*negsi2): Optimized.
8244 (*negsf2): Likewise.
8245 Added peepholes (define_peephole2) for loading constants to r0-r14
8246 and for using `cpse' command.
8248 * config/avr/libgcc.S: Rename library functions to start with two
8250 Add support for enhanced core.
8251 (_moqhi3): Fix typo, now _modqi3.
8252 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
8253 (__prologue_saves__): Remove test for stack adjust by 0.
8254 (__tablejump__): New.
8256 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
8257 Add multilib support.
8259 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
8261 * loop.c (prescan_loop): Don't check unknown_address_altered
8262 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
8263 to loop_store_mems as necessary.
8264 (loop_invariant_p): Don't check unknown_address_altered
8265 or unknown_constant_address_altered.
8267 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8269 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
8271 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
8273 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
8274 print just the filename.
8275 * cpplex.c (_cpp_run_directive): Add additional argument, the
8276 name to give the synthetic buffer. This defaults to
8277 translated "<command line>".
8278 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
8280 (_cpp_define_builtin): New function.
8281 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
8282 * cpphash.h: Update prototypes.
8284 * tradcpp.c (main): Process -D and -U simultaneously, in the
8285 order they appeared on the command line.
8287 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8289 * c-decl.c (define_label): Call warning_with_file_and_line and
8290 error_with_file_and_line instead of plain warning or error.
8292 * c-parse.in (label): Use save_filename/save_lineno to ensure
8293 correct values for calls to define_label.
8295 2000-08-29 Mark Mitchell <mark@codesourcery.com>
8297 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
8299 * expr.c (expand_expr, case TARGET_EXPR): Don't call
8301 * tree.h (get_file_function_name): Remove two duplicate
8304 2000-08-28 Kazu Hirata <kazu@hxi.com>
8306 * tree.c: Fix formatting.
8308 * xcoffout.c: Fix formatting.
8310 2000-08-28 Jason Merrill <jason@redhat.com>
8312 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
8314 2000-08-28 Daniel Berlin <dberlin@redhat.com>
8316 * dwarf2out.c (dwarf2out_finish): Don't bother calling
8317 break_out_includes if it won't do anything.
8319 2000-08-28 Richard Henderson <rth@cygnus.com>
8321 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
8322 (find_reloads): Likewise.
8323 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
8324 (reload_inhi): Likewise.
8326 2000-08-28 Richard Henderson <rth@cygnus.com>
8328 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
8329 (call_insn_operand): Don't expect a surrounding mem.
8330 (constant_call_address_operand): Likewise.
8331 * config/i386/i386.h (PREDICATE_CODES): Update.
8332 * config/i386/i386.md (call patterns): Move the match_operand
8333 for the call destination inside the mem.
8335 2000-08-28 Richard Henderson <rth@cygnus.com>
8337 * local-alloc.c (requires_inout): Don't use reserved range for
8338 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
8339 * recog.c (asm_operand_ok): Likewise.
8340 (preprocess_constraints, constrain_operands): Likewise.
8341 * regclass.c (record_reg_classes): Likewise.
8342 * reload.c (find_reloads): Likewise.
8343 * reload1.c (maybe_fix_stack_asms): Likewise.
8344 (reload_cse_simplify_operands): Likewise.
8345 * stmt.c (expand_asm_operands): Likewise.
8347 * md.texi: Update constraints documentation.
8348 * tm.texi (EXTRA_CONSTRAINT): Update.
8350 2000-08-28 Daniel Berlin <dberlin@redhat.com>
8352 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
8353 (print_die): If we don't know the offset of the
8354 target die, try the symbol. Add a trailing newline.
8355 (reverse_all_dies): New fn.
8356 (dwarf2out_finish): Call it.
8357 (break_out_includes): Reorganize for clarity.
8358 (add_sibling_attributes): Don't call reverse_die_lists.
8359 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
8361 * flags.h: Add flag_eliminate_dwarf2_dups.
8362 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
8364 2000-08-28 Jason Merrill <jason@redhat.com>
8366 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
8367 * dwarf2out.c: #include "md5.h".
8368 (DIE_LABEL_PREFIX): New macro.
8369 (dw_val_struct): Add 'external' flag to val_die_ref.
8370 (add_AT_die_ref, AT_ref): Adjust.
8371 (AT_ref_external, set_AT_ref_external): New fns.
8372 (build_abbrev_table): Call set_AT_ref_external.
8373 (value_format): Call AT_ref_external.
8374 (die_struct): Add die_symbol field.
8375 (new_die): Clear it.
8376 (dwarf_tag_name): Handle BINCL/EINCL.
8377 (dwarf2out_start_source_file): Add BINCL DIE.
8378 (dwarf2out_end_source_file): Add EINCL DIE.
8379 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
8380 (loc_checksum, attr_checksum, die_checksum): New fns.
8381 (is_type_die, is_comdat_die, is_symbol_die): New fns.
8382 (compute_section_prefix, assign_symbol_names): New fns.
8383 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
8384 (output_die): Call output_die_symbol and AT_ref_external.
8385 (output_comdat_comp_unit): New fn, split out from...
8386 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
8388 (output_pubnames, output_aranges): Abort if we see entries from
8390 * toplev.h: Declare file_name_nondirectory.
8391 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
8392 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
8393 (debug_start_source_file): Call dwarf2out_start_source_file
8394 regardless of debug verbosity.
8395 (debug_end_source_file): Similarly.
8396 * tree.h: Declare clean_symbol_name.
8397 * tree.c (clean_symbol_name): Split out from...
8398 (get_file_function_name_long): ...here.
8400 * dwarf2out.c (new_loc_descr): Use calloc.
8401 (splice_child_die): Remove the die from the right parent.
8402 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
8404 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8406 * toplev.c (decode_g_option): Don't give warning for unknown -g
8407 option; return 0 instead.
8408 (main): If -g option is not recognized by front end or
8409 language-independent code, give warning.
8411 2000-08-28 Greg McGary <greg@mcgary.org>
8413 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
8414 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
8415 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
8417 2000-08-27 Greg McGary <greg@mcgary.org>
8419 * cpplex.c (parse_string): Don't look for backslash
8420 before first char in `namebuf'.
8421 * loop.c (strength_reduce): Skip NOTEs.
8423 2000-08-27 Jason Merrill <jason@redhat.com>
8425 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
8426 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
8427 TREE_ASM_WRITTEN, either.
8428 (finish_decl): Adjust.
8430 2000-08-28 Philipp Thomas <pthomas@suse.de>
8432 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
8433 they have been incorporated into the gettext CVS. Change the text to
8434 reflect the current status of NLS. Add instructions for accessing
8435 the gettext CVS and add the patch from Martin v. Loewis.
8437 2000-08-27 Geoff Keating <geoffk@cygnus.com>
8439 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
8440 by using gen_lowpart_common.
8441 (movdi_internal64+6): Likewise.
8443 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
8445 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
8448 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
8449 numbers to the ranges used by GDB.
8451 2000-08-25 Richard Henderson <rth@cygnus.com>
8453 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
8454 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
8455 (ia64_expand_prologue): Likewise.
8456 (ia64_setup_incoming_varargs): Set it. Properly skip the current
8457 argument for stdargs.
8459 2000-08-25 Jason Merrill <jason@redhat.com>
8461 * integrate.c (expand_inline_function): Pull out the original decl.
8463 2000-08-25 Jim Wilson <wilson@cygnus.com>
8465 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
8467 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
8469 2000-08-25 Greg McGary <greg@mcgary.org>
8471 * flow.c (dump_edge_info): Use ARRAY_SIZE.
8472 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
8474 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
8476 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
8478 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
8480 * i386.c (ix86_find_base_term): New.
8481 * i386-protos.h (ix86_find_base_term): Prototype.
8482 * i386.h (FIND_BASE_TERM): Define.
8483 * alias.c (find_base_term): Use it.
8484 * tm.texi (FIND_BASE_TERM): Document it.
8486 * alias.c (true_dependence, write_dependence_p): Unchanging
8487 memory can't conflict with non-unchanging memory.
8489 * alias.c (memrefs_conflict_p): A BLKmode reference
8490 to a symbol (or CONST_INT address) always conflicts
8491 with a reference to another symbol.
8493 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
8495 * c-common.c (time_char_table): Don't allow width and flags with
8498 2000-08-25 Jakub Jelinek <jakub@redhat.com>
8500 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
8501 way as LT and LTU when the second operand has 0 in low word.
8503 2000-08-26 Michael Hayes <mhayes@cygnus.com>
8505 * basic-block.h (struct loop): Rename `exits' field to
8506 `exit_edges'. Add `entry_edges' and `num_entries' fields.
8508 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
8509 (flow_loop_entry_edges_find): Add.
8510 (flow_edge_list_print): Rename from flow_exits_print.
8511 (flow_loops_find): Call flow_loop_entry_edges_find.
8512 (flow_loop_dump): Dump entry_edges list.
8513 (flow_loops_free): Free entry_edges.
8515 2000-08-26 Michael Hayes <mhayes@cygnus.com>
8517 * loop.c (loop_dump_aux, debug_loop): New functions.
8518 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
8520 * flow.c (flow_loops_dump): Add callback parameter.
8521 (flow_loop_dump): Add callback parameter and call it. Move
8522 loop note debugging code to loop_dump_aux.
8524 * basic-block.h (flow_loop_dump): Add callback parameter
8525 (flow_loops_dump): Likewise.
8527 * toplev.c (rest_of_compilation): Add NULL callback function pointer
8528 to call to flow_loops_dump.
8530 2000-08-26 Michael Hayes <mhayes@cygnus.com>
8532 * loop.c (count_loop_regs_set): Replace start and end arguments
8533 with loop argument. All callers udated.
8535 2000-08-26 Michael Hayes <mhayes@cygnus.com>
8537 * loop.c (constant_high_bytes): Delete.
8539 2000-08-26 Michael Hayes <mhayes@cygnus.com>
8541 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
8542 and NOTE_INSN_LOOP_VTOP to...
8543 (find_and_verify_loops) ...here.
8545 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
8547 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
8548 (fini_dummy, init_dummy): Use it.
8550 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
8552 * cpplex.c (is_macro_disabled): Caller has already checked
8553 that we're not a preprocessed file.
8555 2000-08-24 Mark Mitchell <mark@codesourcery.com>
8557 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
8558 (c-iterate.o): Remove target.
8559 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
8560 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
8561 (finish_decl): Don't handle iterators.
8562 (grokdeclarator): Likewise.
8563 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
8564 * gcc/c-gperf.h: Regenerated.
8565 * gcc/c-iterate.c: Removed.
8566 * gcc/c-lex.c (init_lex): Don't handle iterators.
8567 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
8568 (compstmt_primary_start): Remove push_iterator_stack call.
8569 (stmt): Don't allow iterator statements. Replace iterator_expand
8570 with expand_expr_stmt.
8571 (all_iter_stmt): Remove.
8572 (all_iter_stmt_simple): Likewise.
8573 (all_iter_stmt_with_decl): Likewise.
8574 * gcc/c-tree.h (ITERATOR_P): Remove.
8575 (ITERATOR_BOUND_P): Likewise.
8576 (init_iterators): Remove declaration.
8577 (iterator_expand): Likewise.
8578 (iterator_for_loop_start): Likewise.
8579 (iterator_for_loop_end): Likewise.
8580 (iterator_for_loop_record): Likewise.
8581 (push_iterator_stack): Likewise.
8582 (pop_iterator_stack): Likewise.
8583 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
8584 (readonly_warning): Likewise.
8585 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
8587 2000-08-24 Jim Wilson <wilson@cygnus.com>
8589 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
8590 Copy type in a TYPE_DECL, just like pushdecl does.
8592 2000-08-24 Richard Henderson <rth@cygnus.com>
8594 * toplev.c (main): Enable flag_reorder_blocks at -O2.
8596 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
8598 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
8599 asked for one page, allocate GGC_QUIRE_SIZE of them and put
8600 the extras on the free list.
8601 (release_pages): Clean up.
8602 (ggc_set_mark): Don't adjust G.allocated here...
8603 (sweep_pages): ... do it here.
8605 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
8607 * cppfiles.c (read_include_file): Rearrange initializations.
8609 2000-08-24 Richard Henderson <rth@cygnus.com>
8611 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
8613 * config/ia64/ia64-protos.h: Update.
8614 * config/ia64/ia64.c (gr_register_operand): New.
8615 (fr_register_operand, grfr_register_operand): New.
8616 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
8617 (grfr_reg_or_8bit_operand): New.
8618 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
8619 use gr_register_operand.
8620 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
8621 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
8622 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
8623 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
8624 (fr_reg_or_fp01_operand): Likewise.
8625 (not_postinc_memory_operand): New.
8626 (ia64_split_timode): Remove unused variables.
8627 (rtx_needs_barrier): Check arguments to cmpxchg.
8628 (builtin_description): Remove.
8629 (bdesc_2argsi, bdesc_2argdi): Remove.
8630 (ia64_init_builtins): Declare all builtins directly.
8631 (ia64_expand_fetch_and_op): Rewrite to be called from
8632 ia64_expand_builtin directly. Use expand_binop and co.
8633 (ia64_expand_op_and_fetch): Likewise.
8634 (ia64_expand_compare_and_swap): Likewise.
8635 (ia64_expand_binop_builtin): Remove.
8636 (ia64_expand_lock_test_and_set): New.
8637 (ia64_expand_lock_release): New.
8638 (ia64_expand_builtin): Use them.
8639 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
8640 (EXTRA_CONSTRAINT): Use it.
8641 (PREDICATE_CODES): Update.
8642 * config/ia64/ia64.md (*): Use gr_register_operand and co.
8643 (mf): Indicate that we set memory as well as use it.
8644 (fetchadd_acq_si): Show memory being modified as well.
8645 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
8646 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
8647 (lock_test_and_set_si, lock_test_and_set_di): Remove.
8648 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
8649 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
8650 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
8651 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
8652 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
8653 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
8654 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
8655 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
8656 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
8657 return type. Pretty print definitions.
8659 2000-08-24 Jim Wilson <wilson@cygnus.com>
8661 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
8662 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
8664 2000-08-24 Jason Merrill <jason@redhat.com>
8666 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
8667 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
8668 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
8669 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
8671 2000-08-24 Greg McGary <greg@mcgary.org>
8673 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
8674 and extendtab within their proper array boundaries.
8675 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
8676 for the entire array.
8678 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
8679 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
8680 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
8681 * config/fr30/fr30.c (fr30_print_operand): Likewise.
8682 * config/i386/dgux.c (output_options): Likewise.
8683 * config/i386/dgux.h (ASM_FILE_START): Likewise.
8684 * config/m88k/m88k.c (output_options): Likewise.
8685 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
8686 * config/mcore/mcore.c (mcore_output_inline_const_forced,
8687 layout_mcore_frame, handle_structs_in_regs): Likewise.
8688 * config/mips/mips.c (output_block_move): Likewise.
8689 * config/rs6000/rs6000.c (rs6000_override_options,
8690 rs6000_file_start): Likewise.
8691 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
8692 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
8693 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
8694 * builtins.c (expand_builtin_setjmp): Likewise.
8695 * expr.c (safe_from_p): Likewise.
8696 * flow.c (life_analysis): Likewise.
8697 * fold-const.c (size_int_type_wide): Likewise.
8698 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
8699 * genattrtab.c (make_length_attrs): Likewise.
8700 * genopinit.c (gen_insn): Likewise.
8701 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
8702 * global.c (global_alloc): Likewise.
8703 * local-alloc.c (find_free_reg): Likewise.
8704 * mips-tdump.c (print_symbol): Likewise.
8705 * mips-tfile.c (parse_def, parse_input): Likewise.
8706 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
8707 * stmt.c (expand_nl_goto_receiver): Likewise.
8708 * stor-layout.c (set_sizetype): Likewise.
8709 * varasm.c (decode_reg_name): Likewise.
8710 * toplev.c (decode_f_option, decode_W_option,
8711 set_target_switch, print_switch_values): Likewise.
8712 (NUM_ELEM): Remove macro.
8713 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
8715 2000-08-24 Greg McGary <greg@mcgary.org>
8717 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
8718 (MAIN_NAME_P, main_identifier_node): New macros.
8719 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
8720 * c-decl.c (start_decl, grokdeclarator, start_function,
8721 store_parm_decls, finish_function): Use MAIN_NAME_P.
8722 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
8723 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
8724 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
8725 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
8727 2000-08-24 Greg McGary <greg@mcgary.org>
8729 * cppfiles.c (actual_directory): Don't write beyond `dir'
8730 when it contains "".
8731 * real.c (asctoeg): Stay within bounds of etens[][].
8733 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8735 * dependence.c (dependence_string, direction_string,
8736 dump_one_node, dump_node_dependence): Hide unused identifiers.
8737 (get_low_bound, normalize_coefficients): Match definition to
8739 (get_one_coefficient): Initialize variables `value0_is_idx' and
8741 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
8742 (ziv_test): Delete variable `idx', use parameter `sub' instead.
8743 (direction_merge): Avoid automatic aggregate initialization.
8744 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
8745 Initialize variables `dest_idx' and `src_idx'.
8746 (end_dependence_analysis): Avoid C89 style function definition.
8748 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
8750 * c-common.c (time_char_table): Don't allow width with %F.
8751 (check_format_info): Don't allow "Z" length with scanf.
8753 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
8755 * diagnostic.c (finish_diagnostic): Define.
8756 (output_do_printf): Use wrap_text instead of output_add_string.
8757 (default_print_error_function): Avoid embedded '\n'.
8759 * diagnostic.h (flush_diagnostic_buffer): Declare.
8761 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
8763 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
8765 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
8767 * Makefile.in (GCC_PASSES): Add specs.
8769 2000-08-23 Jim Wilson <wilson@cygnus.com>
8771 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
8772 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
8773 EHANDLER nor UHANDLER bit is set.
8774 (__get_except_table): Likewise.
8776 2000-08-23 Nick Clifton <nickc@redhat.com>
8778 * config/arm/lib1funcs.asm: Replace upper case condition codes
8779 with lower case versions.
8781 * config/arm/arm.h (STRUCT_VALUE): Define.
8782 (STRUCT_VALUE_REGNUM): Delete.
8784 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
8786 * cpphash.h (IN_I): New flag for directive table.
8787 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
8789 (_cpp_check_directive): If -fpreprocessed, execute directives
8790 marked with IN_I. Issue no warnings in this case.
8791 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
8793 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
8795 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
8797 (check_format_info): Support printf 'I' flag; warn about it with
8800 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
8802 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
8803 barrier can't be ignored by the alias analysis code.
8805 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
8807 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
8808 works inside fixincl.
8810 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
8812 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
8813 simplify_relational_operation() unless both operands are of
8815 * cse.c (fold_rtx): Likewise.
8817 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
8819 * rtlanal.c (rtx_unstable_p): The pic register is stable
8820 (within one function) and the actual rtx should be used
8821 when checking the registers.
8822 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
8824 * alias.c (true_dependence, write_dependence_p): Fix
8825 bug in previous patch.
8827 * i386.c (ix86_GOT_alias_set): New.
8828 (legitimize_pic_address): Use it.
8830 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
8831 only stable if its address is stable.
8832 (rtx_varies_p): An unchanging MEM can't vary if
8833 its address doesn't vary.
8835 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8837 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
8839 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8841 * vax.h (ASM_SPEC): Pass `-J' to assembler.
8842 * x-vax-gcc: New file for bootstrapping with gcc.
8843 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
8844 * configure.in: Use x-vax-gcc with gcc.
8845 * configure: Rebuilt.
8847 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8849 * toplev.c (rest_of_compilation): Rebuild label notes after
8850 post-reload splitting pass if new labels have been created.
8852 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
8854 * diagnostic.h (output_buffer_state): New macro.
8855 * diagnostic.c (diagnostic_for_decl, sorry,
8856 default_print_error_function, output_do_verbatim,
8857 report_diagnostic, report_problematic_module): Use it.
8859 (output_format): Use wrap_text instead of maybe_wrap_text.
8861 2000-08-22 Nick Clifton <nickc@redhat.com>
8863 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
8864 Common code for ARM divide and modulus functions.
8865 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
8867 (FUNC_END): New macro: Common code at the end of the division and
8869 (THUMB_FUNCTION_START): New macro: Common code at the start of
8871 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
8873 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
8875 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
8877 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
8878 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
8881 2000-08-22 Nick Clifton <nickc@redhat.com>
8883 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
8884 restorative additions, test for bottom bits of IP being set,
8885 rather than relying upon the RORs not matching.
8888 2000-08-22 David Edelsohn <edelsohn@gnu.org>
8890 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
8891 text_section() as appropriate instead of emitting text csect
8893 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
8894 (UNIQUE_SECTION): Define macro.
8895 (ASM_OUTPUT_SECTION_NAME): Define macro.
8896 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
8897 on AIX if debugging and -fdata-sections always.
8899 2000-08-22 Steven King <sxking@uswest.net>
8901 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
8903 (LDBL_MAX): Same here.
8905 2000-08-22 Richard Henderson <rth@cygnus.com>
8907 * flow.c (tidy_fallthru_edge): Update b->end properly.
8909 2000-08-22 Stan Cox <scox@redhat.com>
8911 * Makefile.in (OBJS): Add dependence.o.
8912 * dependence.c: New file.
8914 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
8916 * calls.c (check_sibcall_argument_overlap_1): Adjust for
8918 (check_sibcall_argument_overlap): Likewise.
8920 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
8922 * invoke.texi (SH Options): Document -m4-nofpu,
8923 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
8924 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
8926 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
8928 * c-common.c (check_format_info): Give the 'some locales' warning
8929 for strftime %Ey rather than the unconditional 'only last 2 digits
8932 2000-08-22 Richard Henderson <rth@cygnus.com>
8934 * alias.c (init_alias_analysis): Do not register
8935 struct_value_incoming_rtx or static_chain_rtx as pointing
8938 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
8940 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
8942 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
8944 * diagnostic.h (report_problematic_module): Declare.
8945 * diagnostic.c (report_problematic_module): New function.
8946 (report_error_function): Tweak.
8948 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8950 * stmt.c (expand_goto_internal, fixup_gotos): Only check
8951 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
8953 2000-08-21 Richard Henderson <rth@cygnus.com>
8955 * flow.c (calculate_global_regs_live): Mark frame pointer live
8956 everywhere before reload.
8958 2000-08-21 Jim Wilson <wilson@cygnus.com>
8960 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
8961 INTEL_EXTENDED_IEEE_FORMAT.
8962 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
8963 clear last two bytes of output FP value.
8965 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
8967 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
8969 2000-08-21 Jakub Jelinek <jakub@redhat.com>
8971 * unroll.c (loop_find_equiv_value): If ret is modified between
8972 insn and loop_start, ret might not be equivalent to reg.
8974 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
8976 * c-common.c (init_dollar_format_checking,
8977 maybe_read_dollar_number, finish_dollar_format_checking): New
8979 (dollar_arguments_used, dollar_arguments_count,
8980 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
8982 (check_format_info): Support $ formats for scanf and printf width
8983 and precision. Always increment format_chars to advance past the
8984 '*' of precision, not just when the format parameters are
8987 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8989 * mips.c (block_move_loop, expand_block_move,
8990 function_arg_partial_nregs, save_restore_insns, function_prologue,
8991 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
8993 (function_arg_advance, function_arg): Match argument to format
8996 2000-08-21 Nix <nix@esperi.demon.co.uk>
8998 * gcc.c (do_spec_1): Implement %j spec flag.
8999 Remove dead comment.
9001 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
9002 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
9003 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
9004 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
9006 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
9007 writable) instead of hardcoded value.
9009 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
9011 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
9014 * gcc.c (cc1_options): Do not process -o or run the assembler if
9016 * objc/lang-spec.h: Likewise.
9018 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
9020 * fixinc/fixincl.c (fix_with_system): Pipe the output of
9021 "external" fixes through `cat', to avoid truncating the input
9022 file by redirection.
9024 2000-08-21 Jakub Jelinek <jakub@redhat.com>
9026 * config/i386/i386.md (lea_general_1): Copy insn condition to split
9028 (lea_general_2, lea_general_3): Likewise.
9030 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9032 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
9033 warnings to user code.
9035 * c-lex.c (readescape, yylex): Likewise.
9037 * c-typeck.c (store_init_value, process_init_element): Likewise
9038 (c_expand_start_case): Format.
9040 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
9042 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
9044 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
9045 and linker_endian_spec to endian_spec.
9046 (ENDIAN_SPEC): Add %{EB} and %{EL}.
9047 (LINK_SPEC): Remove %{EB} and %{EL}.
9048 (ASM_SPEC): Likewise. Use %(endian_spec).
9050 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
9052 * c-tree.h (flag_hosted): Move declaration from here...
9053 * c-common.h (flag_hosted): ... to here.
9054 (flag_noniso_default_format_attributes): New declaration.
9055 * c-decl.c (flag_noniso_default_format_attributes): New variable.
9056 (c_decode_option): Set it appropriately for options choosing
9057 language standard variant.
9058 * c-common.c (init_function_format_info): Only provide default
9059 format attributes if flag_hosted. Only provide the gettext
9060 formats if flag_noniso_default_format_attributes. Update
9062 (check_format_info): Disable treatment of %a as a scanf flag in
9065 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
9067 * c-common.c (scan_char_table): Add 'w' to flags for all formats
9069 (check_format_info): Set 'wide' for scanf format widths. Warn for
9070 a zero scanf width. Make the check for writing into a constant
9071 object at the first level of indirection; at later levels, warn if
9072 any type qualifiers are encountered.
9074 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
9076 * reload.c (reload_inner_reg_of_subreg): New function broken out of
9078 (push_reload): Use reload_inner_reg_of_subreg.
9079 (combine_reloads): Do not combine reloads if the input reload
9080 is a SUBREG in which the inner part will need reloading.
9082 * global.c (global_alloc): Avoid passing dumpfile argument to
9084 * toplev.c (rest_of_compilation): Likewise.
9085 * reload.h (reload): Remove dumpfile argument. Callers changed.
9086 (debug_reload, debug_reload_to_stream): Move prototypes here.
9087 * rtl.h (reload): Remove dumpfile argument.
9088 * reload.c (debug_reload): Remove prototype.
9089 (debug_reload_to_stream): Likewise.
9090 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
9093 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
9095 * diagnostic.c (context_as_prefix): Export.
9096 (need_error_newline): Remove.
9097 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
9098 (error_module_changed, record_last_error_module,
9099 error_function_changed, record_last_error_function): New functions.
9100 (initialize_diagnostics): Default intialize
9101 lang_diagnostic_starter, lang_diagnostic_finalizer.
9102 (init_output_buffer): Tweak.
9103 (file_name_as_prefix): New function.
9104 (announce_function, default_print_error_function,
9105 report_error_function, set_diagnostic_context): Tweak.
9107 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
9109 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
9110 condition expression.
9112 2000-08-20 Richard Henderson <rth@cygnus.com>
9114 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
9116 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
9118 * cppinit.c (cpp_init): Set global flag when called.
9119 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
9121 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
9123 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
9124 before `process_directive' so that newlines won't be missed
9126 (cpp_printf): Increment `print->lineno' when newline is emitted.
9128 * cppmain.c (cb_ident): Likewise.
9129 (cb_define): Likewise.
9130 (cb_undef): Likewise.
9131 (cb_include): Likewise.
9132 (cb_def_pragma): Likewise.
9133 (dump_macros_helper): Likewise.
9135 2000-08-20 Richard Henderson <rth@cygnus.com>
9137 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
9138 assigned before a loop.
9140 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
9141 (ashrsi3, lshrsi3): Likewise.
9143 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
9145 * c-lang.c: #include diagnostic.h
9146 (c_tree_printer): New function.
9147 (lang_init): Initialize lang_printer.
9149 * Makefile.in (c-lang.o): Depends on diagnostic.h
9151 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
9153 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
9155 * diagnostic.c (default_diagnostic_starter,
9156 default_diagnostic_finalizer): New functions.
9157 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
9158 (pedwarn, pedwarn_with_file_and_line, error,
9159 error_with_file_and_line, fatal, warning,
9160 warning_with_file_and_line): Adjust call to report_diagnostic.
9161 (report_diagnostic): Rework.
9162 (set_diagnostic_context): New function.
9164 * diagnostic.h (struct diagnostic_context): New data structure.
9165 (diagnostic_message, diagnostic_argument_list,
9166 diagnostic_file_location, diagnostic_line_location,
9167 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
9168 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
9169 (set_diagnostic_context): Declare.
9170 (report_diagnostic): Change prototype.
9172 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
9174 * fix-header.c (main): Initialize cpplib.
9176 2000-08-19 Michael Meissner <meissner@redhat.com>
9178 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
9179 instructions in it before checking for indirect jumps.
9181 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
9182 in a indirect jump as a potential for conditional execution.
9184 * d30v.h (d30v_init_expanders): Don't declare here.
9185 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
9188 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
9190 * cpp.texi: Add @section for assertions.
9192 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
9194 * loop.c (scan_loop): Use CONST_CALL_P instead of
9195 checking for REG_LIBCALL / REG_RETVAL.
9197 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
9199 * reload1.c (reload_as_needed): Accept dumpfile argument,
9200 pass it to emit_reload_insns.
9201 (emit_reload_insns): Add new dumpfile argument. If non-null
9202 then dump the reloads for each insn into the dumpfile.
9203 (reload): Pass dumpfile to reload_as_needed.
9205 * invoke.texi: Clean up linux-gnu vs linux comments.
9207 2000-08-19 Richard Henderson <rth@cygnus.com>
9209 * config/ia64/ia64.c (reg_or_5bit_operand): New.
9210 (ia64_depz_field_mask): New.
9211 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
9212 (PREDICATE_CODES): Update.
9213 * config/ia64/ia64.md: Update commentary.
9214 (depz_internal): New.
9215 (ashlsi3): Implement directly.
9216 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
9217 (ashldi3): Use shladd.
9218 * config/ia64/ia64-protos.h: Update.
9220 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
9222 * toplev.c (independent_decode_option): Always process -g.
9223 Remove third argument, now unused. Adjust caller to match.
9225 2000-08-18 Richard Henderson <rth@cygnus.com>
9227 * combine.c (make_compound_operation): Break after creating
9230 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
9232 * cpplib.c (cpp_register_pragma_space): Just return if the
9233 namespace is already registered.
9235 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
9237 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
9238 constant amount. Do not generate ROTL instruction.
9240 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
9242 * config/sh/elf.h: Do not include sh/sh.h.
9243 * config/sh/rtems.h: Likewise.
9244 * config/sh/rtemself.h: Do not include sh/elf.h.
9245 * configure.in: Get them included with `tm_file's.
9246 * configure: Rebuilt.
9248 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
9249 * config/sh/sh.c (fpscr_set_from_mem): Use them.
9251 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9253 * stor-layout.c (compute_record_type): Don't use mode of single
9254 field as mode of record if not integer mode of same type.
9256 * regmove.c (perhaps_ends_bb_p): New function.
9257 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
9258 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
9259 (fixup_match_1): Likewise.
9260 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
9261 avoid signed/unsigned warnings.
9263 * function.c (fixup_var_refs_1, case MEM): Update CODE after
9266 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
9268 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
9269 (_cpp_trigraph_map): Declaration moved from cpplex.c
9271 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
9272 instead of 256. Use consistent test for designated initializers.
9273 (cpp_init): Initialize trigraph_map.
9274 (initialize_standard_includes, parse_option): Use memcmp
9277 * cpplex.c (init_trigraph_map): Remove.
9278 (trigraph_ok, trigraph_replace, lex_line): Refer to
9281 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
9282 (do_unassert): Remove unused "next" local.
9284 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
9286 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
9288 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
9291 2000-08-17 Richard Henderson <rth@cygnus.com>
9293 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
9294 the first insn in a sequence.
9296 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
9298 * alias.c (true_dependence, write_dependence_p): A read
9299 involving a label_ref or the constant pool doesn't create
9302 * rtl.h (unchanging): Improve documentation.
9304 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
9306 * cse.c (insert_regs): Remove unused `regno'.
9308 2000-08-17 Neil Booth <NeilB@earthling.net>
9310 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
9311 remove_dup_dirs. If qtail == brack, remove brack not
9313 (remove_dup_dir, remove_dup_dirs): New functions.
9315 2000-08-17 Neil Booth <NeilB@earthling.net>
9317 * cppinit.c (cpp_cleanup): Free include dir chains.
9318 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
9319 (do_unassert): Free the assert with _cpp_free_definition.
9320 * cppmacro.c (_cpp_free_definition): Free memory allocated for
9321 assertions. Make the node a T_VOID node.
9323 2000-08-17 Neil Booth <NeilB@earthling.net>
9325 * cppinit.c (path_include, append_include_chain):
9326 Remove 2nd parameter (struct cpp_pending *).
9327 (path_include, initialize_standard_includes, cpp_handle_option):
9328 Update callers appropriately.
9329 (cpp_handle_option): Use pend.
9331 2000-08-17 Neil Booth <NeilB@earthling.net>
9333 * cppinit.c (sort_options): Remove, put functionality in
9336 (initialize_builtins): Free memory.
9337 (cpp_start_read): Move init_IStable to cpp_init.
9339 * cpplib.h (cpp_init): New prototype.
9340 * cppmain.c (main): Call cpp_init.
9342 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
9344 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
9345 (rtx_unstable_p, rtx_varies_p): Process vectors.
9347 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
9349 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
9350 references to GLOBAL symbols. Use LOCAL where appropriate.
9352 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9354 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
9355 use t-aix41 when host == target.
9357 2000-08-16 Richard Henderson <rth@cygnus.com>
9359 * reload.c (push_secondary_reload): Revert last change.
9360 If we use a reload_in/out pattern, make the when the same
9361 as the primary reload.
9362 (find_reloads): Likewise.
9364 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
9366 * configure.in (libstdcxx-v3): Fix test.
9367 * configure: Regenerate.
9369 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9371 * calls.c (calls_function_1, expand_call): Only test
9372 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
9373 * function.c (thread_prologue_and_epilogue_insns): Likewise.
9375 2000-08-16 Richard Henderson <rth@cygnus.com>
9377 * combine.c (simplify_shift_const): Revert previous two
9378 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
9379 before the main loop.
9381 2000-08-15 Richard Henderson <rth@cygnus.com>
9383 * combine.c (simplify_shift_const): Bound shift count when
9386 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9388 * calls.c (ECF_SP_DEPRESSED): New macro.
9389 (calls_function_1): Treat calling sp-depressed function as alloca.
9390 (emit_call_1): Don't adjust SP if calling sp-depressed function.
9391 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
9392 If sp-depressed, ensure block saves and restores SP.
9393 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
9395 * function.c (keep_stack_depressed): New function.
9396 (thread_prologue_and_epilogue_insns): Call it.
9397 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
9398 to print DECL_OFFSET_ALIGN.
9399 Print no-force-blk and transparent-union flags properly.
9400 * stmt.c (expand_goto_internal): Don't restore stack if last block
9401 and function returns with sp depressed.
9402 (fixup_gotos): Likewise.
9403 (save_stack_pointer): New function, from code in expand_decl.
9404 (expand_decl): Call new function.
9405 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
9406 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
9407 (save_stack_pointer): New declaration.
9409 * diagnostic.c (fatal_function): New variable.
9410 (set_fatal_function): New function.
9412 * diagnostic.h (set_fatal_function): New declaration.
9414 2000-08-15 William Cohen <wcohen@redhat.com>
9416 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
9417 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
9418 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
9420 2000-08-15 Richard Henderson <rth@cygnus.com>
9422 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
9424 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
9426 * arm.c (arm_function_ok_for_sibcall): New function.
9427 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
9428 * arm.md (call expanders): Don't check here for calls that can't
9431 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
9433 * arm.md (splits generating cond_exec): Disable.
9435 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
9437 * arm/linux-elf.h (text_section): Delete declaration.
9439 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
9441 ARM support for unordered FP operations.
9442 * arm-protos.h (arm_comparison_operator): Declare.
9443 * arm.c (arm_comparison_operator): New function.
9444 (arm_select_cc_mode): Add unordered comparison codes.
9445 (get_arm_condition_code): Likewise.
9446 (arm_final_prescan_insn): Can't handle unordered jumps that can't
9447 be done in one insn.
9448 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
9449 * arm.md (all uses of comparison_operator): Replace with
9450 arm_comparison_operator.
9451 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
9453 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
9456 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9458 * gthr-posix.h: Conditionally include <sched.h>; include
9459 <config.h> from libobjc/.
9461 2000-08-14 Richard Henderson <rth@cygnus.com>
9463 * config/i386/i386.c (legitimize_pic_address): Use Pmode
9466 2000-08-14 Richard Henderson <rth@cygnus.com>
9468 * configure.in (ia64-*): Set float_format for i386 long double.
9470 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
9471 as we would for i386 XFmode.
9472 (PUT_REAL): Likewise.
9473 (endian, ereal_atof, real_value_truncate): Likewise.
9474 (ereal_isneg, toe64, etens, make_nan): Likewise.
9475 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
9477 * config/ia64/ia64-protos.h: Update.
9478 * config/ia64/ia64.c (general_tfmode_operand): New.
9479 (destination_tfmode_operand): New.
9480 (tfreg_or_fp01_operand): New.
9481 (ia64_split_timode): New.
9482 (spill_tfmode_operand): New.
9483 (ia64_expand_prologue): Use TFmode not XFmode.
9484 (ia64_expand_epilogue): Likewise.
9485 (ia64_function_arg): Likewise.
9486 (ia64_function_arg_advance): Likewise.
9487 (ia64_return_in_memory): Likewise.
9488 (ia64_function_value): Likewise.
9489 (ia64_print_operand): Likewise.
9490 (ia64_register_move_cost): Set GR<->FR to 5.
9491 (ia64_secondary_reload_class): Get GR for TImode memory op.
9492 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
9493 (ROUND_TYPE_ALIGN): Remove.
9494 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
9495 (INTEL_EXTENDED_IEEE_FORMAT): Define.
9496 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
9497 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
9498 (MODES_TIEABLE_P): Use TFmode, not XFmode.
9499 (CLASS_MAX_NREGS): Likewise.
9500 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
9501 (PREDICATE_CODES): Update.
9502 * config/ia64/ia64.md (movti): New.
9503 (movti_internal): Use a clobber for memory alternatives.
9504 (reload_inti, reload_outti): New.
9505 (movsfcc_astep): Predicate properly.
9506 (movdfcc_astep): Likewise.
9509 (extendsftf2, extenddftf2): New.
9510 (trunctfsf2, trunctfdf2): New.
9511 (floatditf2, fix_trunctfdi2): New.
9512 (floatunsditf2, fixuns_trunctfdi2): New.
9513 (addtf3, subtf3, multf3, abstf2): New.
9514 (negtf2, nabstf2, mintf3, maxtf3): New.
9515 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
9517 (fr_spill): Use TFmode, not XFmode.
9518 (fr_restore): Likewise.
9519 * config/ia64/lib1funcs.asm (__divtf3): New.
9520 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
9522 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9524 * cse.c (fold_rtx): Avoid empty body in an if-statement.
9526 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
9527 `U' integer constant suffix.
9529 * dwarf2out.c (add_subscript_info): Avoid empty body in an
9532 * sparc/sol2.h (__enable_execute_stack): Prototype.
9534 2000-08-14 David Edelsohn <edelsohn@gnu.org>
9536 * collect2.c: Remove use of AIX import file.
9538 * longlong.h: Test ARCH_PWR not ARCH_POWER.
9540 * rs6000.c (print_operand, case 'E'): Add else.
9542 2000-08-14 Richard Henderson <rth@cygnus.com>
9544 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
9545 (movdi_symbolic): New.
9547 2000-08-14 Jim Wilson <wilson@cygnus.com>
9549 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
9550 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
9551 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
9554 2000-08-14 Richard Henderson <rth@cygnus.com>
9556 * expr.c (emit_group_load): Don't force constants into registers.
9557 Special case source already in the correct mode.
9559 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
9561 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
9562 * fixinc/inclhack.def: Likewise.
9563 * fixinc/mkfixinc.sh: Likewise.
9564 * configure: Regenerate.
9565 * fixinc/fixincl.x: Regenerate.
9566 * install.texi: Document equivalence of linux and linux-gnu.
9568 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9570 * cse.c (insert_regs): Also in REG case: When finding an invalid
9571 value, and we make a new quantity, make sure that it won't be
9572 mistaken by for a valid one by mention_regs.
9574 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
9576 * h8300.md: Remove obsolete peepholes.
9578 2000-08-13 Kazu Hirata <kazu@hxi.com>
9580 * invoke.texi (H8/300 Options): Fix typos.
9581 * config/h8300.c: Fix formatting.
9582 * config/h8300.h: Fix comment typos.
9583 (OVERRIDE_OPTIONS): Fix formatting.
9585 * function.c: Fix formatting.
9587 * cse.c: Fix formatting.
9589 2000-08-13 Geoff Keating <geoffk@cygnus.com>
9591 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
9592 (attempt_auto_inc): Suppress parentheses warning.
9593 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
9594 * loop.c (load_mems): Remove `u' suffix in two places.
9595 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
9597 * config/rs6000/rs6000.h: Likewise.
9598 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
9599 __eabi dummy routine.
9600 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
9603 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
9604 not put stuff in .sdata unnecessarily.
9605 (rs6000_unique_section): New function.
9606 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
9607 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
9609 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
9610 arrays in C99. Don't try to look at DECL_REGISTER of a
9611 COMPONENT_REF. Don't complain twice about the same error.
9613 * fixinc/inclhack.def (aix_pthread): New fix.
9614 (aix_sysmachine): New fix.
9615 * fixinc/fixincl.x: Regenerate.
9617 * expr.c (expand_expr): Call convert_modes when turning a large
9618 multiply into a small one.
9620 2000-08-12 Geoff Keating <geoffk@cygnus.com>
9622 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
9623 the tree structure an exponent rather than an explicit alignment
9624 so it doesn't overflow.
9625 (SET_DECL_OFFSET_ALIGN): New macro.
9626 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
9627 rather than DECL_OFFSET_ALIGN.
9628 (place_field): Likewise.
9629 * expmed.c (store_bit_field): Abort on align==0 to avoid
9630 antisocial machine behaviour.
9632 2000-08-12 Richard Henderson <rth@cygnus.com>
9634 * sibcall.c (uses_addressof): Accept both addressof and
9635 current_function_internal_arg_pointer inside a mem.
9636 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
9637 if current_function_uses_addressof.
9638 * stmt.c (expand_return): Kill tail recursion and HAVE_return
9641 2000-08-11 Richard Henderson <rth@cygnus.com>
9643 * config/ia64/ia64.md (addsi3): Remove expander.
9644 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
9645 (*addsi3_shladd): New.
9647 2000-08-11 Richard Henderson <rth@cygnus.com>
9649 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
9650 (do_restore): Likewise.
9651 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
9652 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
9653 (rtx_needs_barrier): Track actual bit manipulation for
9654 ar.unat moves, gr_spill, and gr_restore.
9655 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
9656 (process_set): Don't handle varargs spills.
9657 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
9658 .mem.offset here instead of in process_set.
9659 (gr_restore): Likewise.
9661 2000-08-11 Richard Henderson <rth@cygnus.com>
9663 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
9665 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
9667 * gcc.texi (The Configuration File): Document
9668 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
9669 UPDATE_PATH_HOST_CANONICALIZATION.
9671 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9673 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
9674 unprototyped function pointer casts on integer constants.
9676 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
9678 * fixproto: Recognize DOS paths with drive letters as absolute paths.
9680 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
9682 * extend.texi (Volatiles): Fix typos.
9684 2000-08-11 Kazu Hirata <kazu@hxi.com>
9686 * flow.c: Fix formatting.
9688 2000-08-11 Richard Henderson <rth@cygnus.com>
9690 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
9691 pattern, always allocate a tertiary scratch register.
9693 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
9694 (reload_inhi): Likewise.
9696 2000-08-11 Richard Henderson <rth@cygnus.com>
9698 * function.c (put_reg_into_stack): Allow type to be NULL.
9699 (schedule_fixup_var_refs): Likewise.
9700 (gen_mem_addressof): Allow decl to be NULL.
9701 (put_addressof_into_stack): Likewise.
9703 * flow.c (merge_blocks_nomove): Be more careful about
9704 locating the beginning of block A.
9706 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
9708 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9713 * config.in: Reverted the check for <sched.h>.
9715 2000-08-10 Chris Demetriou <cgd@sibyte.com>
9717 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
9718 macros define the name of CTOR and DTOR sections.
9719 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
9720 DTOR_LIST_END): Change to use attributes to specify
9722 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
9723 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
9724 DTOR_LIST_END): Same as in mips/elf.h.
9726 2000-08-10 Drew Moseley <dmoseley@redhat.com>
9728 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
9729 disabling just crt0.o.
9731 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
9733 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
9734 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
9735 (EXTRA_SPECS): Add them.
9736 * arm/lib1funcs.asm: Support builds for interworking.
9737 Use macros to eliminate duplicated pieces of code.
9739 2000-08-10 Kazu Hirata <kazu@hxi.com>
9741 * h8300.c (expand_a_rotate): New.
9742 (emit_a_rotate): Likewise.
9743 (h8300_adjust_insn_length): Add support for the rotate insns.
9744 * h8300.md (rotlqi3): New.
9745 (*rotlqi3_1): Likewise.
9746 (rotlhi3): Likewise.
9747 (*rotlhi3_1): Likewise.
9748 (rotlhi3): Likewise.
9749 (*rotlhi3_1): Likewise.
9750 * h8300-proto.h: Add prototypes for expand_a_rotate and
9753 * h8300.c: Fix comment typos.
9754 (dosize): Declare the variable amount as unsigned.
9755 (get_shift_alg): Fix a comparison between signed and unsigned.
9756 (emit_a_shift): Likewise.
9757 (h8300_adjust_insn_length): Simplify the code.
9759 * c-decl.c: Fix formatting.
9761 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9763 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
9764 warning about non-traditional numeric constant suffixes.
9766 * cppexp.c (parse_number): Likewise.
9768 * invoke.texi: (-Wtraditional): Document new behavior.
9770 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9772 * gthr-posix.h: Include auto-host.h. Conditionally include
9774 * configure.in: Check for the <sched.h> header file.
9775 * config.in: Added define for HAVE_SCHED_H.
9777 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9779 * c-typeck.c (process_init_element): For -Wtraditional, warn about
9780 initialization of unions.
9782 * invoke.texi (-Wtraditional): Document new behavior.
9784 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
9786 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
9787 instead of extra_c_flags.
9788 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
9789 * configure: Regenerate.
9790 * config.in: Regenerate.
9792 * cpperror.c (cpp_type2name): New function.
9793 * cpplex.c (lex_line): If we issued an error for an invalid
9794 preprocessing directive, discard that logical line.
9795 * cpplib.c (do_line): Call a hook function if the current file
9796 is renamed by #line.
9797 (do_ident): Pass the contents of the string, not the entire
9798 token, to the callback function.
9799 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
9800 (cb.rename_file): New hook function.
9801 (cb.ident): Adjust prototype.
9802 (cpp_type2name): Prototype.
9803 * cppmacro.c (dump_macro_args): Correct precedence lossage.
9805 * cppmain.c (cb_ident): Update for changed interface.
9806 (cb_rename_file): New function.
9807 (main): Set rename callback.
9809 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
9811 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
9812 multi-word registers.
9814 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
9816 * c-common.c (combine_strings, check_format_info): Refer to ISO C
9817 or ISO C89 instead of ANSI C.
9818 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
9819 build_enumerator, do_case): Likewise.
9820 * c-lex.c (parse_float, yylex): Likewise.
9821 * c-parse.in: Likewise.
9822 * c-typeck.c (common_type, build_array_ref, build_binary_op,
9823 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
9824 build_c_cast, convert_for_assignment, set_init_index,
9825 set_init_label, c_expand_start_case): Likewise.
9826 * toplev.c (documented_lang_options, display_help): Likewise.
9828 2000-08-08 Kazu Hirata <kazu@hxi.com>
9830 * h8300.c: Fix formatting.
9831 * h8300.h: Likewise.
9832 * h8300.md: Likewise.
9833 (movsi_h8300hs): Fix formatting of the resulting assembly code.
9835 * reload1.c: Fix formatting.
9837 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
9839 * alpha/alpha.c (alpha_emit_xfloating_libcall):
9840 Use GEN_CALL_VALUE define.
9841 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
9842 * clipper/clipper.md (untyped_call): Likewise.
9843 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
9844 * fx80/fx80.md (untyped_call): Likewise.
9845 * mips/mips.md (untyped_call): Likewise.
9846 * ns32k/ns32k.md (untyped_call): Likewise.
9847 * pa/pa.md (untyped_call): Likewise.
9848 * romp/romp.md (untyped_call): Likewise.
9849 * sparc/sparc.md (untyped_call): Likewise.
9851 2000-08-08 Jason Eckhardt <jle@cygnus.com>
9853 * config/i860/i860.c (singlemove_string): Do not generate assembler
9854 pseudo instructions that must be expanded (that is, with signed
9855 constants larger than 16 bits).
9857 2000-08-08 Richard Henderson <rth@cygnus.com>
9859 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
9860 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
9861 (init_propagate_block_info): Don't kill memory stores at -O0.
9862 (mark_set_1, mark_used_regs): Likewise.
9864 2000-08-08 David Edelsohn <edelsohn@gnu.org>
9866 * rs6000.c (optimization_options): Decorate 'level' as
9868 (mask64_operand): Remove sign-extend thinko.
9869 (rldic_operand): New function.
9870 (load_multiple_operation): regno's are unsigned ints.
9871 (store_multiple_operation): Likewise.
9872 (lmw_operation): Likewise.
9873 (stmw_operation): Likewise.
9874 (includes_lshift_p): shift_mask is unsigned int.
9875 (includes_lshift64_p): New function.
9876 (addrs_ok_for_quad_peep): unsigned int reg1.
9877 (print_operand): Consistently add "else" after
9878 output_operand_lossage().
9879 (print_operand, case 'b'): Fold in case 'W'.
9880 (print_operand, case 'W'): Print rldic MB value.
9881 (output_epilogue): Update Objective-C language string.
9882 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
9883 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
9884 * rs6000.md (ashldi3): Add rldic instruction.
9885 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
9886 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
9889 2000-08-08 Richard Henderson <rth@cygnus.com>
9891 * config/ia64/ia64-protos.h: Remove duplicates. Update
9892 for massive code rearrangements.
9893 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
9894 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
9895 (ia64_local_regs, ia64_need_regstk): Remove.
9896 (ar_ccv_reg_operand): New.
9897 (ia64_gp_save_reg): New.
9898 (struct ia64_frame_info): Combine most of the size elements;
9899 add new gr save elements.
9900 (find_gr_spill): New.
9901 (next_scratch_gr_reg): New.
9902 (mark_reg_gr_used_mask): New.
9903 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
9904 to GR backing store regs when possible.
9905 (ia64_initial_elimination_offset): New.
9906 (ia64_rap_fp_offset): Remove.
9907 (save_restore_insns): Remove.
9908 (setup_spill_pointers): New.
9909 (finish_spill_pointers): New.
9910 (spill_restore_mem): New.
9911 (do_spill, do_restore): New.
9912 (ia64_expand_prologue): Rewrite to use them.
9913 (ia64_expand_epilogue): Likewise.
9914 (ia64_direct_return): Update for current_frame_info changes.
9915 (ia64_function_prologue): Simplify .prologue emission. Emit
9917 (ia64_setup_incoming_varargs): Don't ever emit rtl.
9918 (ia64_dbx_register_number): New.
9919 (ia64_initialize_trampoline): New.
9920 (ia64_secondary_reload_class): Request GR_REGS for integer
9921 arithmetic destined for FR_REGS.
9922 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
9923 (ia64_mark_machine_status): Mark ia64_gp_save.
9924 (rws_access_regno): Rename from rws_access_reg; don't treat
9925 predicates specially.
9926 (rws_access_reg): New. Update all callers.
9927 (rtx_needs_barrier): Remove dead unspecs.
9928 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
9929 (ia64_encode_section_info): Silence signed/unsigned warnings.
9930 (spill_offset, sp_offset, spill_offset_emitted): Remove.
9931 (tmp_reg, tmp_saved): Remove.
9932 (process_set): Rewrite to expect complicated bits via
9933 REG_FRAME_RELATED_EXPR.
9934 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
9935 in the use of ar.ccv; never set RTX_UNCHANGING_P.
9936 (ia64_expand_op_and_fetch): Likewise.
9937 (ia64_expand_compare_and_swap): Likewise.
9938 (ia64_expand_builtin): Likewise.
9939 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
9940 (FIRST_PSEUDO_REGISTER): Update.
9941 (AR_M_REGNO_P): Update.
9942 (FIXED_REGS): Don't mark three local registers as used.
9943 (EXTRA_CC_MODES): New.
9944 (SELECT_CC_MODE): New.
9945 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
9946 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
9947 (FRAME_GROWS_DOWNWARD): Unset.
9948 (STARTING_FRAME_OFFSET): Zero.
9949 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
9950 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
9951 (HARD_FRAME_POINTER_REGNUM): New.
9952 (CAN_DEBUG_WITHOUT_FP): Define.
9953 (TRAMPOLINE_TEMPLATE): Remove.
9954 (TRAMPOLINE_SIZE): Lower to 32.
9955 (TRAMPOLINE_ALIGNMENT): Lower to 64.
9956 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
9957 (PREDICATE_CODES): Update.
9958 (struct machine_function): Add ia64_gp_save.
9959 * config/ia64/ia64.md: Purge unused unspecs.
9960 (movsi patterns): Allow moves to/from AR_M_REGS.
9961 (movdi patterns): Allow moves to/from p0.
9962 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
9963 (gr_spill, gr_restore): Indicate ar.unat read/written.
9964 (nonlocal_goto): Don't pass old frame_pointer.
9965 (nonlocal_goto_receiver): Remove.
9966 (exception_receiver): New.
9967 (builtin_setjmp_setup): New.
9968 (builtin_setjmp_receiver): New.
9969 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
9970 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
9971 (__ia64_restore_stack_nonlocal): Likewise.
9972 (__ia64_trampoline): New.
9973 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
9975 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
9977 2000-08-08 Richard Henderson <rth@cygnus.com>
9979 * frame.h (ia64_frame_state): Add my_psp.
9980 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
9981 (__throw): Pass it in. Don't clobber r7.
9982 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
9983 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
9984 and nothing to do with sp.
9985 (normalize_reg_loc): Use frame->my_psp.
9986 (frame_translate): Handle frame-pointer-less functions. Set
9987 spill_base correctly, in absence of being told.
9988 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
9989 (__ia64_backtrace_helper): New sp argument. Use
9990 builtin_return_address instead of label addresses.
9991 (print_record) [mem_stack_v]: No size member.
9993 2000-08-08 Richard Henderson <rth@cygnus.com>
9995 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
9997 2000-08-08 Richard Henderson <rth@cygnus.com>
9999 * tm.texi (LOCAL_REGNO): Document.
10000 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
10001 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
10002 * reload1.c (reload): Likewise when considering nonlocal labels.
10004 * config/ia64/ia64.h (LOCAL_REGNO): New.
10005 * config/sparc/sparc.h (LOCAL_REGNO): New.
10007 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
10009 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
10011 2000-08-07 Nick Clifton <nickc@redhat.com>
10013 * config/mips/mips.c: Fix compile time warning messages.
10014 * config/mips/mips-protos.h: Add prototype for equality_op.
10016 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
10018 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
10020 * mn10300.md: Use nonimmediate_operand instead of general_operand
10021 on output operands.
10023 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
10025 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
10027 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
10028 * sh.c (expand_block_move): Break long lines.
10029 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
10030 * sh.md (mulsi3): Likewise.
10031 (movdi): Adjust spacing.
10033 2000-08-07 Richard Henderson <rth@cygnus.com>
10035 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
10036 * expr.c (emit_group_store): Don't set it.
10038 2000-08-07 Kazu Hirata <kazu@hxi.com>
10040 * invoke.texi (Options for Debugging Your Program or GCC): Remove
10041 duplicate entries for 'w' and 'z'.
10043 * flow.c: Fix a comment typo.
10045 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
10047 * c-parse.in: Changed the language string for Objective-C to "GNU
10050 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
10052 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
10053 to improve the Posix thread support for Objective-C.
10055 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
10057 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
10058 CTI_UNSIGNED_PTRDIFF_TYPE.
10059 (signed_size_type_node): Define.
10060 (unsigned_ptrdiff_type_node): Define.
10061 * c-decl.c (init_decl_processing): Create the
10062 signed_size_type_node and unsigned_ptrdiff_type_node types.
10063 * c-common.c (T_SC): Define.
10066 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
10067 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
10069 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
10070 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
10071 flags for %c, %s and %[.
10072 (check_format_info): Only allow leniency for signedness of targets
10073 of character pointers (when pedantic) for formats flagged with
10074 "c", so for strings but not for %hh formats. When pedantic, don't
10075 allow character pointers to substitute for void pointers if a
10076 second level of indirection is present.
10078 2000-08-06 Kazu Hirata <kazu@hxi.com>
10080 * invoke.texi (Options for Debugging Your Program or GCC): Update
10081 the names of dump files.
10083 * h8300.c (dosize): Rearrange code for conciseness.
10084 (split_adds_subs): Likewise.
10086 * loop.c: Fix formatting.
10088 * dwarf2out.c: Fix formatting.
10090 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
10092 * expr.c: Fix formatting.
10094 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10096 * rs6000.c (rs6000_maybe_dead): Prototype.
10098 2000-08-06 Richard Henderson <rth@cygnus.com>
10100 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
10101 HAVE_nonlocal_goto as well.
10102 * config/i960/i960.md (nonlocal_goto): Don't do it here.
10103 * config/pj/pj.md (nonlocal_goto): Likewise.
10105 2000-08-07 Michael Hayes <mhayes@cygnus.com>
10107 * loop.c (try_swap_copy_prop): New function.
10108 (load_mems): Rename copies to load_copies and add new regset
10109 store_copies. Check for sets of shadow registers and mark
10110 in store_copies. Call try_swap_copy_prop for registers
10111 marked in store_copies.
10113 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
10115 * objc/objc-act.c: New command line option -fconstant-string-class
10116 to allow specifying a user defined constant string class,
10117 different from NXConstantString.
10119 * toplev.c: Moved the Objective-C specific options to
10120 objc/lang-options.h.
10122 * objc/lang-options.h: Moved the Objective-C specific options from
10123 toplev.c. Added -fconstant-string-class.
10125 2000-08-05 Chris Demetriou <cgd@sibyte.com>
10127 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
10128 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
10129 __CTOR_LIST__ from func_ptr array to just func_ptr, to
10130 avoid extra alignment imposed on arrays.
10131 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
10132 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
10134 * mips.h: Clean up comments and spacing near MASKs.
10135 (TARGET_UNIX_ASM): Delete.
10136 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
10137 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
10140 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
10142 * c-common.c (print_char_table): Add entries for the X/Open '
10143 format flag (print decimals with locale's thousands grouping
10144 character). Make %C expect wint_t.
10145 (check_format_info): If pedantic, warn when the %n$ operand
10146 number form is used. Allow for the ' flag; warn about it if
10149 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
10151 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
10152 type is a float mode, cfun->decl's return type is not, and
10153 TARGET_FLOAT_RETURNS_IN_80387.
10155 2000-08-04 Andreas Schwab <schwab@suse.de>
10157 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
10158 token list, which are always `#' and `pragma'.
10160 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
10162 * tree.c (tree_expr_nonnegative_p): Move to...
10163 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
10164 (rtl_expr_nonnegative_p): New.
10165 * tree.h: Add prototype for rtl_expr_nonnegative_p.
10167 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
10168 CONST_DOUBLE_CHAIN: Move to...
10169 * rtl.h: ...here. Use XCINT/XCEXP.
10171 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
10172 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
10173 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
10176 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
10178 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10180 * config/c4x/c4x.md (return_indirect_internal): New.
10181 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
10183 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
10185 * c-common.c (time_char_table): Mark up formats added in C99 and
10186 make other corrections. %D and %g were added in C99. %Og is an
10187 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
10188 C99. %e was added in C99. %Oj is an extension. %G and %z are in
10189 C99 rather than GNU extensions, but %OG and %Oz are extensions.
10190 %h was added in C99. %C was added in C99. %OY and %OC are
10191 extensions. Add the C99 format %F.
10192 (check_format_info): If pedantic and not in C99 mode, warn for C99
10193 formats, %E and %O.
10195 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10197 * function.c (schedule_fixup_var_refs): New function, broken out
10198 of put_reg_into_stack.
10199 (put_reg_into_stack): Use it.
10200 (put_var_into_stack): In CONCAT case, fixup up references for
10201 components only after fixing up references to the whole concat.
10203 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
10205 * alias.c (mark_constant_function): Use INSN_P.
10206 (init_alias_analysis): Likewise.
10207 * combine.c (combine_instructions): Use INSN_P.
10208 (can_combine_p): Likewise.
10209 (try_combine): Likewise.
10210 (distribute_notes): Likewise.
10211 (distribute_links): Likewise.
10212 * cse.c (cse_around_loop): Use INSN_P.
10213 (invalidate_skipped_block): Likewise.
10214 (cse_set_around_loop): Likewise.
10215 (cse_end_of_basic_block): Likewise.
10216 (delete_trivially_dead_insns): Likewise.
10217 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
10218 (unshare_all_rtl_1): Likewise.
10219 (next_cc0_user): Likewise.
10220 (try_split make_insn_raw): Likewise.
10221 (remove_unnecessary_notes): Likewise.
10222 * final.c (shorten_branches): Use INSN_P.
10223 (leaf_renumber_regs): Likewise.
10224 (leaf_renumber_regs_insn): Likewise.
10225 * flow.c (find_label_refs): Use INSN_P.
10226 (verify_wide_reg): Likewise.
10227 (notice_stack_pointer_modification): Likewise.
10228 (count_or_remove_death_notes): Likewise.
10229 (verify_flow_info): Likewise.
10230 (clear_log_links): Likewise.
10231 * function.c (fixup_var_refs_insns): Use INSN_P.
10232 (compute_insns_for_mem): Likewise.
10233 * gcse.c (alloc_gcse_mem): Use INSN_P.
10234 (compute_sets): Likewise.
10235 (compute_hash_table): Likewise.
10236 (classic_gcse): Likewise.
10238 (insert_insn_end_bb): Likewise.
10239 (delete_null_pointer_checks_1): Likewise.
10240 * global.c (expand_preferences): Use INSN_P.
10241 (build_insn_chain): Likewise.
10242 * graph.c (node_data): Use INSN_P.
10243 * haifa-sched.c (priority): Use INSN_P.
10244 (rm_line_notes): Likewise.
10245 (rm_other_notes): Likewise.
10246 (find_insn_reg_weight): Likewise.
10247 (init_target_units): Likewise.
10248 (schedule_block): Likewise.
10249 (compute_block_forward_dependences): Likewise.
10250 (debug_dependencies): Likewise.
10251 (set_priorities): Likewise.
10252 * integrate.c (function_cannot_inline_p): Use INSN_P.
10253 (save_parm_insns): Likewise.
10254 (copy_insn_list): Likewise.
10255 * jump.c (mark_all_labels): Use INSN_P.
10256 (never_reached_warning): Likewise.
10257 * lcm.c (optimize_mode_switching): Use INSN_P.
10258 * local-alloc.c (validate_equiv_mem): Use INSN_P.
10259 (memref_used_between_p): Likewise.
10260 (update_equiv_regs): Likewise.
10261 (block_alloc): Likewise.
10262 (no_conflict_p): Likewise.
10263 * loop.c (scan_loop): Use INSN_P.
10264 (find_and_verify_loops): Likewise.
10265 (count_loop_regs_set): Likewise.
10266 (loop_reg_used_before_p): Likewise.
10267 (strength_reduce): Likewise.
10268 (recombine_givs): Likewise.
10269 (check_dbra_loop): Likewise.
10270 (load_mems): Likewise.
10271 (try_copy_prop): Likewise.
10272 * print-rtl.c (print_rtx): Use INSN_P.
10273 * recog.c (find_single_use): Use INSN_P.
10274 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
10275 (next_flags_user): Likewise.
10276 (swap_rtx_condition): Likewise.
10277 * regmove.c (mark_flags_life_zones): Use INSN_P.
10278 (optimize_reg_copy_1): Likewise.
10279 (optimize_reg_copy_2): Likewise.
10280 (optimize_reg_copy_3): Likewise.
10281 (reg_is_remote_constant_p): Likewise.
10282 (fixup_match_2): Likewise.
10283 (regmove_optimize): Likewise.
10284 (fixup_match_1): Likewise.
10285 * regrename.c (build_def_use): Use INSN_P.
10286 (replace_reg_in_block): Likewise.
10287 (consider_use): Likewise.
10288 * reload.c (find_equiv_reg): Use INSN_P.
10289 * reload1.c (reload): Use INSN_P.
10290 (maybe_fix_stack_asms): Likewise.
10291 (calculate_needs_all_insns): Likewise.
10292 (reload_as_needed): Likewise.
10293 (emit_output_reload_insns): Likewise.
10294 (delete_address_reloads_1): Likewise.
10295 (reload_cse_regs_1): Likewise.
10296 (reload_combine): Likewise.
10297 (reload_cse_move2add): Likewise.
10298 * reorg.c (redundant_insn): Use INSN_P.
10299 (dbr_schedule): Likewise.
10300 * resource.c (find_dead_or_set_registers): Use INSN_P.
10301 (mark_target_live_regs): Likewise.
10302 * rtlanal.c (reg_used_between_p): Use INSN_P.
10303 (reg_referenced_between_p): Likewise.
10304 (reg_set_between_p): Likewise.
10305 (reg_set_p): Likewise.
10306 (single_set): Likewise.
10307 (multiple_sets): Likewise.
10308 (find_last_value): Likewise.
10309 (reg_set_last): Likewise.
10310 (find_reg_note): Likewise.
10311 (find_regno_note): Likewise.
10312 * sibcall.c (sequence_uses_addressof): Use INSN_P.
10313 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
10314 * ssa.c (find_evaluations): Use INSN_P.
10315 (rename_block): Likewise.
10316 (rename_equivalent_regs): Likewise.
10317 * unroll.c (loop_find_equiv_value): Use INSN_P.
10318 (set_dominates_use): Likewise.
10319 * varasm.c (mark_constant_pool): Use INSN_P.
10320 (mark_constants): Likewise.
10321 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
10322 (alphaev4_next_group): Likewise.
10323 (alphaev5_next_group): Likewise.
10324 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
10325 (c4x_rptb_rpts_p): Likewise.
10326 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
10327 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
10328 (rs6000_adjust_priority): Likewise.
10329 * config/sh/sh.c (sh_loop_align): Use INSN_P.
10330 (machine_dependent_reorg): Likewise.
10331 (split_branches): Likewise.
10332 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
10334 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
10336 * combine.c (recog_for_combine): Remove the old notes
10337 prior to attempting to recognize the new pattern.
10338 (distribute_notes): Ignore REG_NONNEG notes.
10340 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
10342 * varasm.c (output_constructor): Add .align 0 for packed vars.
10344 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
10346 * configure.in: Use default thread_file even when enable_threads is
10347 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
10348 * configure: Rebuilt.
10350 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
10352 2000-08-04 Donn Terry (donnte@microsoft.com)
10354 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
10356 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
10358 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
10359 Delete code that conditionally modifies 'version'.
10360 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
10361 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
10362 * gcc.c (main): Use it.
10363 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
10364 * prefix.c (update_path): Use it.
10365 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
10366 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
10367 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
10369 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
10370 (SUBTARGET_SWITCHES): Adjust.
10371 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
10373 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
10375 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
10377 * c-common.h (flag_isoc94): Declare.
10378 * c-decl.c (flag_isoc94): Define.
10379 (c_decode_option): Set flag_isoc94 as appropriate.
10380 * c-common.c (T_PD, T_IM, T_UIM): Define.
10381 (format_char_info): Add tlen and jlen.
10382 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
10384 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
10386 (time_char_table): Add NULL entries for %t and %j.
10387 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
10388 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
10389 Warn for printf %lf if pedantic and not C99. Don't warn for empty
10390 precision. Allow precision argument to be unsigned int. If
10391 pedantic, warn for %p passed an argument not a pointer to possibly
10392 qualified void or a possibly qualified character type, and for
10393 pointer targets of the wrong sign, except for character pointers.
10395 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
10397 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
10398 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
10399 (wint_type_node): Define.
10400 * c-decl.c (WINT_TYPE): Define.
10401 (init_decl_processing): Create the wint_type_node type.
10402 * c-common.c (T_WI): Define.
10403 (print_char_table): Use T_WI for %lc format.
10405 2000-08-04 Bruce Korb <bkorb@gnu.org>
10407 * fixinc/: Verified that the MSDOS patch does not break
10408 the UNIX functionality and applied the next three patches
10411 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
10413 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
10414 output file with the temporary one by appending ".X" to generate
10415 the temporary fuile's name. If the output file already has an
10416 extension, replace it with ".X".
10418 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
10419 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
10420 reallocate the command buffer while copying the command-line
10421 argument. Redirect the output directly to the temporary file,
10422 instead of going through another temporary file.
10423 (process): Close the temporary file before unlinking it.
10424 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
10425 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
10426 (run_compiles): Pass p_fixd argument to machine_matches, as it
10429 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
10430 environment, assume there are no symlinks in the include
10431 directory. When cleaning up the DONE files, look for them
10432 case-insensitively. Don't try to remove symlinks if they aren't
10435 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
10436 all callers changed. Declare pz "const char *", to avoid compiler
10439 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
10440 Change prototype of make_raw_shell_str.
10442 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
10444 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
10445 (initialize) [__MSDOS__]: Use tempnam.
10446 (initialize): Don't use SIGPIPE if it is not defined.
10448 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
10451 2000-07-25 Bruce Korb <bkorb@gnu.org>
10453 * fixinc/fix*.[ch]: substantially reworked to make it possible
10454 to run this program without using fork(2) or pipe(2) (i.e. in
10455 a DOS environment).
10457 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
10459 * cppdefault.h (WINT_TYPE): Define.
10460 * cppinit.c (builtin_array): Define __WINT_TYPE__.
10461 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
10462 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
10464 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
10466 * (mips_legitimate_address_p): Don't allow register+offset
10467 if the offset is large and negative, and we are compiling
10468 for 64 bit registers.
10470 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10472 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
10473 insn_code_number + 1.
10475 2000-08-04 Kazu Hirata <kazu@hxi.com>
10477 * h8300.c (function_prologue): Rearrange code for conciseness.
10478 (function_epilogue): Likewise.
10479 * h8300.h (OK_FOR_U): Fix formatting.
10481 * cse.c: Fix a comment typo. Fix formatting.
10483 2000-08-03 Richard Henderson <rth@cygnus.com>
10485 * config/i386/i386.md (return_indirect_internal): New.
10486 * config/i386/i386.c (ix86_expand_epilogue): Use it.
10488 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
10490 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
10492 (lex_line): Glue @ onto the beginning of identifiers and
10493 string constants, in Objective-C mode.
10494 (output_token, spell_token): Handle CPP_OSTRING.
10495 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
10496 beginning of a NAME or a STRING, in objc mode.
10498 * cpplib.c (get_define_node): Do not permit identifiers that
10499 begin with @ to be #defined.
10500 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
10501 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
10503 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
10504 * c-tree.h (build_objc_string): Delete prototype.
10505 * objc/objc-tree.def: Delete OBJC_STRING_CST.
10506 * c-lex.c (yylex): Use build_string for all three kinds of strings.
10508 * c-parse.in, objc/objc-act.c: Update commentary.
10510 2000-08-03 Mark Mitchell <mark@codesourcery.com>
10512 * extend.texi: Fix typo in last change.
10514 * extend.texi: Add commentary on statement-expressions and their
10515 interactions with C++.
10517 2000-08-03 Nick Clifton <nickc@cygnus.com>
10519 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
10520 * dwarf.h (LANG_JAVA): Change value to 0x000b.
10522 2000-08-03 Anthony Green <green@cygnus.com>
10524 * dwarf2out.c (gen_compile_unit_die): Add java language support.
10525 (add_bound_info): Check for java language.
10526 (is_java): New function.
10527 * dwarfout.c (output_compile_unit_die): Ditto.
10528 * dwarf.h (dwarf_source_language): Add java source language type.
10529 * dwarf2.h (dwarf_source_language): Ditto.
10531 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
10533 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
10536 * i386.c (ix86_expand_branch): Mode of comparison in
10537 IF_THEN_ELSE is VOIDmode.
10539 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
10541 * gengenrtl.c, rtl.c: Avoid #elif.
10543 2000-08-03 Michael Poole <poole@troilus.org>
10545 * tm.texi (Register Classes): Clarify order of sub-initializers
10546 in REG_CLASS_CONTENTS.
10548 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10550 From SAITOH Masanobu:
10551 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
10553 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
10555 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
10556 is not supported by tradcpp and isn't actually needed for cygwin.
10558 2000-08-03 Kazu Hirata <kazu@hxi.com>
10560 * h8300.c: Fix a comment typo.
10561 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
10563 * jump.c: Fix formatting.
10565 * toplev.c: Fix formatting.
10567 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
10569 * flow.c (find_auto_inc): Verify that we've got a REG before
10570 peeking at its regno. Fail, don't abort if we can't find
10571 the increment of the desired register.
10573 * pa.md (shadd height reduction patterns/splitters): Remove.
10575 2000-08-02 Jim Wilson <wilson@cygnus.com>
10577 * config/ia64/ia64-protos.h (flag_ssa): Declare.
10578 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
10580 2000-08-02 Mark Mitchell <mark@codesourcery.com>
10582 * dce.c: Remove all uses of assert.
10583 * dwarf2out.c: Likewise.
10584 * dwarfout.c: Likewise.
10587 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
10589 * gcc.h (lang_specific_driver): Constify second argument.
10590 * gcc.c (translate_options, process_command, main): Likewise.
10591 Constify variables to match. Cast second argument to
10594 * cppspec.c, gccspec.c: Adjust type of second argument to
10595 lang_specific_driver, and update code as necessary.
10597 2000-08-02 Jakub Jelinek <jakub@redhat.com>
10599 * loop.c (scan_loop): Ensure update_end label does not
10600 go away until reg_scan_update is run.
10602 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
10604 * c-common.h: Prototype min_precision and c_build_qualified_type here...
10605 * c-tree.h: ... not here.
10606 * errors.h: Prototype fancy_abort.
10608 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
10609 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
10610 * regrename.c (regrename_optimize): Make control flow explicit.
10611 (replace_reg_in_block): Initialize reg_use to 0.
10613 * i386.c (legitimate_address_p): Rename error label to
10614 report_error to avoid namespace clash.
10616 2000-08-02 Kazu Hirata <kazu@hxi.com>
10618 * fold-const.c: Fix formatting.
10620 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
10622 * i386.c (legitimate_address_p): Accept other bases than
10623 pic_offset_table_rtx for GOTOFF constructs.
10625 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
10627 * i386.md (shift to lea splitter): Use const_int_operand.
10629 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
10631 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
10632 cppspec.c: Do not use 'legal' or 'illegal' in error messages
10635 * cppmain.c (cb_define, cb_undef): Don't generate any output
10636 if not done_initializing.
10637 * cpplex.c (maybe_paste_with_next): When the token after a ##
10638 is an omitted rest argument, only delete the token before it
10639 if that token is a comma. Do not warn about bogus token
10640 pastes for , ## rest_arg.
10642 * cpp.texi: Update.
10643 * cpp.1: Regenerate.
10645 2000-08-02 Fred Fish <fnf@be.com>
10647 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
10648 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
10651 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
10652 Be directories to search path.
10654 Remove support for __declspec(dllimport) and __declspec(dllexport).
10655 This is leftover cruft from the earlier BeOS gcc port when BeOS
10656 used Microsoft's PE object file format.
10657 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
10658 * config/i386/t-beos (winnt.o): Remove Makefile frag.
10659 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
10660 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
10661 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
10662 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
10663 (REDO_SECTION_INFO_P): Remove.
10664 (ASM_EXPORT_DECL): Remove.
10665 (ASM_DECLARE_FUNCTION_NAME): Remove.
10666 (ASM_DECLARE_OBJECT_NAME): Remove.
10667 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
10668 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
10669 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
10670 (STRIP_NAME_ENCODING): Remove.
10672 Remove support for obsolete version of BeOS that is no longer
10674 * configure.in (i*86-*-beospe*): Remove.
10675 * config/i386/beos-pe.h: Remove.
10677 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
10678 Mark Mitchell <mark@codesourcery.com>
10680 * Makefile.in (OBJS): Added dce.o.
10681 (ssa.o): Updated target to include ssa.h.
10682 (flow.o): Likewise.
10683 (toplev.o): Likewise.
10684 (dce.o): Created target.
10685 * basic-block.h: Added comments.
10686 (INVALID_BLOCK): Added definition.
10687 (connect_infinite_loops_to_exit): Added declaration.
10688 Moved SSA declarations to ssa.h.
10689 * flow.c: Added inclusion of ssa.h.
10690 (struct depth_first_search_dsS, depth_first_search_ds):
10692 (compute_immediate_postdominators): Added definition.
10693 (connect_infinite_loops_to_exit): Likewise.
10694 (flow_dfs_compute_reverse_init): Likewise.
10695 (flow_dfs_compute_reverse_add_bb): Likewise.
10696 (flow_dfs_compute_reverse_execute): Likewise.
10697 (flow_dfs_compute_reverse_finish): Likewise.
10698 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
10699 (LABEL_P): Added definition.
10700 (JUMP_P): Likewise.
10701 (NOTE_P): Likewise.
10702 (BARRIER_P): Likewise.
10703 (JUMP_TABLE_DATA_P): Likewise.
10704 (INSN_DEAD_CODE_P): Likewise.
10705 * ssa.c: Replaced inclusions with ssa.h inclusion.
10706 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
10707 (rename_registers): Removed unnecessary variables.
10708 * ssa.h: Created by moving declarations from ssa.c and
10710 * timevar.def: Defined TV_DEAD_CODE_ELIM.
10711 * toplev.c: Added ssa.h inclusion.
10712 (dump_file_index): Added DFI_dce.
10713 (dump_file): Added "dce" entry.
10715 (f_options): Added dce entry.
10716 * invoke.texi: Document -fdce. Emphasize experimental status of
10720 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
10722 * cpperror.c (v_message): Split into _cpp_begin_message and
10723 v_message macro. All callers updated.
10724 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
10727 * cppfiles.c (cpp_syshdr_flags): New function.
10728 (read_include_file): Don't call cpp_output_tokens. Call
10730 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
10731 (cpp_reader_init): Don't initialize token_buffer. Call
10732 _cpp_init_internal_pragmas.
10733 (cpp_cleanup): Don't clear token_buffer.
10734 (cpp_start_read): Don't worry about output from -D processing.
10735 Don't call cpp_output_tokens.
10736 (cpp_finish): Don't dump macros here. Don't call
10738 * cppmacro.c (_cpp_dump_definition): Rename
10739 cpp_dump_definition. Write directly to a FILE *.
10740 (dump_funlike_macro): Delete.
10741 (dump_macro_args): New.
10743 * cpplex.c (TOKEN_LEN): Convert to inline function.
10744 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
10745 cpp_scan_line, _cpp_dump_list): Delete.
10746 (cpp_printf, cpp_output_list): New.
10747 (output_line_command): Don't worry about entering or leaving files.
10748 (cpp_scan_buffer): Just output each token as we hit it.
10749 (process_directive): Don't call cpp_output_tokens.
10750 (_cpp_glue_header_name): Don't use token_buffer.
10751 (output_token, dump_param_spelling): Write directly to a FILE *.
10753 * cpplib.c (pass_thru_directive, dump_macro_name,
10754 pragma_dispatch, do_pragma_gcc): Delete.
10755 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
10756 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
10758 (do_error, do_warning, pragma_dependency): Call
10759 _cpp_begin_message, then cpp_output_list.
10760 (cpp_register_pragma, cpp_register_pragma_space,
10761 _cpp_init_internal_pragmas): New.
10762 (do_pragma): Walk the pragmas table here.
10763 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
10764 do_pragma_dependency): Return void.
10765 (do_pragma_implementation): Moved to cppmain.c.
10767 * cpplib.h: Update prototypes.
10768 (struct cpp_reader): Remove printer, token_buffer,
10769 token_buffer_size, and limit. Add struct cb, and pragmas.
10770 (struct cpp_printer): Remove last_id and written.
10771 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
10772 CPP_ADJUST_WRITTEN): Delete.
10773 * cpphash.h: Update prototypes.
10774 (ufputs): New wrapper.
10776 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
10777 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
10778 (main): Set up callbacks. Register #pragma implementation.
10779 Dump macros from here.
10781 2000-08-01 Geoff Keating <geoffk@cygnus.com>
10783 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
10784 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
10785 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
10786 insns if they have a REG_MAYBE_DEAD note attached.
10787 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
10788 (rs6000_emit_load_toc_table): TOC loads may go dead.
10790 2000-08-01 Jim Wilson <wilson@cygnus.com>
10792 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
10793 type exists before using it. Use number of words as alignment
10795 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
10796 ia64_va_arg): Propagate ia64_function_args changes here.
10798 2000-08-01 Richard Henderson <rth@cygnus.com>
10800 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
10801 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
10803 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
10805 From Joern Rennecke:
10806 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
10807 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
10808 unless TARGET_SH3E is set.
10809 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
10811 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
10812 (ashlsi3_std): New pattern.
10813 (ashlsi3 expander): Use it for TARGET_SH3.
10814 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
10816 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
10818 * loop.c (canonicalize_condition): Use destination, not source to
10819 determine SET's mode.
10821 2000-07-31 Mark Mitchell <mark@codesourcery.com>
10823 * flow.c (clear_log_links): Fix typo.
10825 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
10827 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
10828 on targets which need more than one insn for a compare/cbranch
10831 2000-07-31 Jim Wilson <wilson@cygnus.com>
10833 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
10834 when computing offset.
10836 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
10838 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
10840 2000-07-31 Geoff Keating <geoffk@cygnus.com>
10842 * flow.c (clear_log_links): Nuke global_live_at_start and
10843 global_live_at_end data, since if the log_links stuff is invalid
10844 so is global_live_at_*.
10846 2000-07-31 Richard Henderson <rth@cygnus.com>
10848 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
10850 2000-07-31 Jakub Jelinek <jakub@redhat.com>
10852 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
10853 (_cpp_get_token): Don't macro expand a just pasted token if it
10854 was pasted at no_expand_level.
10856 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
10858 * cppmacro.c (find_param, count_params, save_expansion):
10859 Permit 'defined' as a macro parameter name.
10861 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
10863 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
10864 xcpp to cpp throughout.
10865 (native): Remove unnecessary dependency on cpp.
10867 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
10868 tradcpp to tradcpp0.
10869 (.i spec): Add missing output-file spec to cc1 command line.
10870 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
10872 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
10874 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
10875 (implicit_decl_warning): New function.
10876 (implicitly_declare): Use it.
10877 * c-typeck.c (build_external_ref): Use implicit_decl_warning
10878 to complain about implicit decls of builtins.
10880 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
10881 based on pedantic && flag_isoc99, if not already set.
10882 * c-tree.h: Declare mesg_implicit_function_declaration.
10883 Prototype implicit_decl_warning.
10885 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
10887 * Makefile.in (ssa.o): Updated header files in dependences.
10888 * basic-block.h: Added compute_immediate_postdominators declaration.
10889 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
10891 * flow.c (compute_immediate_dominators): Updated comment.
10892 (compute_immediate_postdominators): Added definition.
10893 * rtl.h (HARD_REGISTER_P): Added definition.
10894 * ssa.c: Include additional header files.
10895 (assert): Added definition.
10896 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
10897 include select hard registers.
10898 (ssa_rename_to_insert): Likewise.
10899 (ssa_rename_from_initialize): Likewise.
10900 (ssa_rename_from_lookup): Likewise.
10901 (original_register): Likewise.
10902 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
10903 include select hard reigsters.
10904 (ssa_rename_from_traverse): Likewise.
10905 (ssa_rename_from_free): Likewise.
10906 (ssa_rename_from_print): Likewise.
10907 (ssa_rename_from_print_1): Likewise.
10908 (ssa_rename_from_hash_function): Likewise.
10909 (ssa_rename_from_equal): Likewise.
10910 (ssa_rename_from_delete): Likewise.
10911 (simplify_to_immediate_dominators): Removed in favor of
10912 flow.c:compute_immediate_dominators.
10913 (find_evaluations_1): Modified to work with hard registers.
10914 (insert_phi_node): Likewise.
10915 (insert_phi_nodes): Likewise.
10916 (struct rename_set_data): Updated prev_reg comment.
10917 (create_delayed_rename): Modified to work with hard registers.
10918 (RENAME_NO_RTX): Updated comment.
10919 (apply_delayed_renames): Modified to work with hard registers.
10920 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
10921 (rename_block): Updated to use revised ssa_rename_to interface.
10922 (rename_registers): Updated to use revised ssa_rename_to and
10923 ssa_rename_from interface.
10924 (convert_to_ssa): Revised to use compute_immediate_dominators and
10925 deal with hard registers.
10926 (make_regs_equivalent_over_bad_edges): Modified to work with hard
10927 registers. Added check for illegal unification of hard register.
10928 (make_equivalent_phi_alternatives_equivalent): Modified to work
10929 with hard registers.
10930 (compute_conservative_reg_partition): Likewise.
10931 (coalesce_if_unconflicting): Modified to work with hard registers
10932 and check for conflicting hard registers.
10933 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
10935 (rename_equivalent_regs_in_insn): Modified to work with hard
10937 (record_canonical_element_1): Added definition.
10938 (check_hard_regs_in_partition): Added definition.
10939 (convert_from_ssa): Added data structure deallocation and check
10940 for illegal hard register unification.
10941 (conflict_hard_regs_p): Added definition.
10942 * toplev.c (rest_of_compilation): Added comment.
10944 2000-07-31 Anthony Green <green@redhat.com>
10946 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
10948 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
10950 * builtins.c (expand_builtin_apply): Don't defer pop during
10953 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10955 * calls.c (combine_pending_stack_adjustment_and_call): Only use
10956 preferred_unit_stack_boundary when it is > 1.
10958 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
10960 * c-common.c (init_function_format_info): Add C99 format functions
10963 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
10964 void' or 'register void' as being the special case of 'void' alone
10965 in a parameter list.
10967 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
10968 discarding qualifiers into a plain warning.
10970 2000-07-31 Kazu Hirata <kazu@hxi.com>
10972 * combine.c: Fix formatting.
10974 * h8300.md: Fix formatting.
10976 * local-alloc.c: Fix formatting.
10978 * h8300.c (get_shift_alg): Remove the variable alg.
10979 (emit_a_shift): Rearrange code to improve readability.
10981 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
10983 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
10984 HImode on all architectures and a combination of HImode and SImode
10985 on H8/300H and H8/S.
10987 * h8300.c (split_adds_subs): Rearrange code for conciseness.
10989 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
10991 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
10992 in my last checkin.
10994 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
10996 * recog.c (extract_insn): Set operand_mode according to
10997 operand if match_operand is VOIDmode.
10999 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
11001 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
11003 2000-07-31 Geoff Keating <geoffk@cygnus.com>
11005 * c-parse.in (extdefs): Call ggc_collect between external
11008 2000-07-30 Michael Hayes <mhayes@cygnus.com>
11009 Richard Henderson <rth@cygnus.com>
11011 * Makefile.in (OBJS): Add doloop.o.
11012 * doloop.c: New file.
11014 * final.c (insn_current_reference_address): Return 0 before final.
11015 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
11016 * jump.c (any_uncondjump_p): Likewise.
11017 * loop.c (indirect_jump_in_function): Make static.
11018 (strength_reduce): Call doloop_optimize.
11019 (insert_bct, instrument_loop_bct): Remove.
11020 * loop.h (doloop_optimize): Prototype.
11021 * recog.c (split_all_insns): Split all INSN_P.
11022 * toplev.c (flag_branch_on_count_reg): Default on.
11024 * config/c4x/c4x.c (c4x_optimization_options): Don't set
11025 flag_branch_on_count_reg.
11026 * config/i386/i386.c (override_options): Likewise.
11027 * config/rs6000/rs6000.c (optimization_options): Likewise.
11029 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
11031 (dbra_ge): Remove, as well as all it's splitters.
11033 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
11036 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
11037 (ia64_register_move_cost): Declare.
11038 * config/ia64/ia64.c (ar_lc_reg_operand): New.
11039 (struct ia64_frame_info): Add ar_size.
11040 (ia64_compute_frame_size): Set it.
11041 (save_restore_insns): Save and restore ar.lc.
11042 (ia64_register_move_cost): New, moved from header file. Handle
11043 application registers.
11044 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
11045 (emit_insn_group_barriers): Special case doloop_end_internal.
11046 (ia64_epilogue_uses): Mark ar.lc live at end.
11047 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
11048 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
11049 (FIRST_PSEUDO_REGISTER): Make room.
11050 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
11051 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
11052 (REG_ALLOC_ORDER): Update.
11053 (HARD_REGNO_MODE_OK): Update.
11054 (REGISTER_NAMES): Update.
11055 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
11056 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
11057 (REGNO_REG_CLASS): Update.
11058 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
11059 (REGISTER_MOVE_COST): Move out of line.
11060 (PREDICATE_CODES): Update.
11061 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
11062 (addsi3_plus1_alt, adddi3_plus1_alt): New.
11063 (shladd_elim splitter): Allow constants in the predicate.
11064 (doloop_end, doloop_end_internal): New.
11066 2000-07-30 Richard Henderson <rth@cygnus.com>
11068 * genattrtab.c (struct insn_def): Add lineno member.
11069 (struct insn_ent): Likewise.
11070 (struct attr_desc): Likewise.
11071 (struct delay_desc): Likewise.
11072 (struct function_unit_op): Likewise.
11073 (struct function_unit): Likewise.
11074 (check_attr_value): Use message_with_line.
11075 (check_defs): Likewise.
11076 (expand_units): Likewise.
11077 (check_attr_test): Take a lineno argument.
11078 (gen_attr): Likewise.
11079 (gen_insn): Likewise.
11080 (gen_delay): Likewise.
11081 (gen_unit): Likewise.
11082 (main): Give it to them.
11083 (convert_set_attr_alternative): Take an insn_def argument
11084 instead of num_alt and insn_index.
11085 (convert_set_attr): Likewise.
11086 (write_test_expr): Protect INSN_ADDRESSES load
11087 with INSN_ADDRESSES_SET_P.
11089 2000-07-30 Richard Henderson <rth@cygnus.com>
11091 * flow.c (init_propagate_block_info): Use pc_set.
11093 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
11095 * i386.md (*lea_general_[123]) New insns and splits.
11096 (addsi3 to lea splitter): Handle other modes too.
11097 (shlsi3 to lea splitter): Likewise.
11098 (addhi_1_lea, shlhi_1_lea): New patterns.
11099 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
11101 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
11103 * recog.c (general_operand, nonimmediate_operand): Accept
11104 any mode for VOIDmode CONSTANT_P operands.
11106 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
11108 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
11109 instead of replace_rtx.
11110 * recog.c (validate_replace_rtx_subexp): New function.
11111 * recog.h (validate_replace_rtx_subexp): Declare.
11113 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
11115 * combine.c (simplify_set, make_extraction, make_compound_operation
11116 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
11117 as force_to_mode argument.
11119 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
11121 * combine.c (if_then_else_cond): Be sure that mode fits in
11124 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
11126 * combine.c (record_promoted_value): Allow bitsize of mode
11127 to be equivalent to HOST_BITS_PER_WISE_INT.
11129 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
11131 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
11132 Do not call gen_mode_alignment when mode is BLKmode.
11134 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
11136 * loop.c (express_from_1): Fix call of simplify_gen_binary.
11138 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
11140 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
11141 VOIDmode implies both operands to be VOIDmode.
11142 (simplify_ternary_operation): Compute properly the mode of comparison.
11143 * combine.c (combine_simplify_rtx): Likewise.
11145 2000-07-25 Michael Hayes <mph@paradise.net.nz>
11147 * basic-block.h (struct loops): New field rc_order.
11148 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
11149 (flow_loops_free): Free rc_order.
11150 (flow_depth_first_order_compute): New parameter rc_order.
11151 (flow_loops_find): Allocate rc_order and swap usage with
11154 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11155 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11157 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
11158 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
11159 (nodb_call, return_from_epilogue): Likewise.
11160 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
11161 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
11162 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
11163 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
11164 (c4x_valid_type_attribute_p): Likewise.
11165 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
11166 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
11168 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11170 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
11171 and loadhi_big_constant if applicable.
11172 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
11173 and add new splitter.s
11175 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11177 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
11179 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11181 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
11183 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11185 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
11187 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11189 * config/c4x/libgcc.S (divqf3): Improve accuracy.
11191 2000-07-27 Mark Mitchell <mark@codesourcery.com>
11193 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
11194 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
11195 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
11196 (get_prev_bb_note): Likewise.
11197 (remove_scope_notes): Likewise.
11198 * flow.c (commit_one_edge_insertion): Likewise.
11199 (merge_blocks_nomove): Likewise.
11200 (verify_flow_info): Likewise.
11201 * gcse.c (insert_insn_end_bb): Likewise.
11202 * reg-stack.c (emit_swap_insn): Likewise.
11203 * ssa.c (first_insn_after_basic_block_note): New function.
11204 (insert_phi_node): Use it.
11205 (rename_block): Likewise.
11206 (eliminate_phi): Likewise.
11207 (make_regs_equivalent_over_bad_edges): Likewise.
11208 (make_equivalent_phi_alternatives_equivalent): Likewise.
11209 (for_each_successor_phi): Likewise.
11210 (convert_from_ssa): Modify phi-node deletion algorithm.
11212 2000-07-29 Andreas Jaeger <aj@suse.de>
11214 * configure.in (mips*-*-linux*): Use mips*el to check for little
11215 endian MIPS, add tmake_file.
11217 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
11218 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
11219 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
11221 2000-07-28 Richard Henderson <rth@cygnus.com>
11223 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
11224 Sign extend mode size before negating.
11226 2000-07-28 Richard Henderson <rth@cygnus.com>
11228 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
11230 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
11232 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
11233 (cse_insn): Likewise.
11234 (addr_affects_sp_p): Likewise.
11235 * expr.c (move_by_pieces): Likewise.
11236 (clear_by_pieces): Likewise.
11237 * gcse.c (oprs_unchanged_p): Likewise.
11238 * haifa-sched.c (sched_analyze_2): Likewise.
11239 * recog.c (offsettable_address_p): Likewise.
11240 * regclass.c (record_address_regs): Likewise.
11241 * reload.c (find_reusable_reload): Likewise.
11242 (push_reload): Likewise.
11243 (operands_match_p): Likewise.
11244 (decompose): Likewise.
11245 (find_reloads_address_1): Likewise.
11246 (find_inc_amount): Likewise.
11247 * reload1.c (elimination_effects): Likewise.
11248 * resource.c (mark_set_resources): Likewise.
11249 * flow.c (attempt_auto_inc): New function; mostly broken out
11251 (find_auto_inc): Split into two functions and enhanced to
11252 generate POST_MODIFY.
11253 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
11254 * rtl.h (count_all_occurrences): Declare.
11255 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
11257 * rtlanal.c (count_all_occurrences): New function.
11258 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
11259 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
11261 * config/ia64/ia64-protos.h (destination_operand): Declare.
11262 * config/ia64/ia64.c (destination_operand): New function.
11263 (ia64_print_operand): Handle POST_MODIFY.
11264 (rtx_needs_barrier): Likewise.
11265 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
11266 (HAVE_POST_MODIFY_REG): Define to 1.
11267 (MAX_REGS_PER_ADDRESS): Change to 2.
11268 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
11269 (LEGITIMATE_ADDRESS_REG): New helper macro.
11270 (LEGITIMATE_ADDRESS_DISP): Likewise.
11271 (PREDICATE_CODES): Add entry for destination_operand.
11272 * config/ia64/ia64.md (all mov patterns): Use destination_operand
11273 predicate for operand 0.
11275 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11277 * dwarf2out.c: Indent #error directive.
11279 * gbl-ctors.h: Fix typo in comment.
11280 (__do_global_ctors): Prototype.
11282 * gcse.c (record_one_set, pre_delete): Remove unused variables.
11284 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
11285 (print_operand): Initialize variable `t'.
11287 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
11289 * config/arm/arm.md ("call_value"): removed constraints.
11290 Constraints are ignored in expanders.
11291 (*call_value_reg): split =rf into various constraints.
11292 (*call_value_mem): same
11293 (*call_value_symbol): same
11294 (*sibcall_value_insn): same
11296 2000-07-28 Philipp Thomas <pthomas@suse.de>
11298 * install.texi (--enable-nls): Change the description of the NLS
11299 related configure options to match the current state.
11300 (--with-included-gettext): Likewise.
11301 (--enable-maintainer-mode): New description added.
11302 * extend.texi (-fstrict-prototype): Add missing '.'.
11304 2000-07-27 Jim Wilson <wilson@cygnus.com>
11306 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
11307 DECL_INITIAL (decl) == NULL_TREE.
11309 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
11311 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
11312 on insn-attr.h with it.
11313 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
11314 * insn-addr.h: New header.
11315 (insn_addresses_): Renamed from insn_addresses.
11316 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
11317 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
11318 INSN_ADDRESSES_NEW): New macros.
11319 * genattrtab.c (write_test_expr): Use new macros.
11320 * final.c (insn_addresses, init_insn_lengths): Likewise.
11321 (align_fuzz, shorten_branches): Likewise.
11322 (final): Likewise. Do not reject new insns if their addresses
11323 have been added to INSN_ADDRESSES.
11324 * config/arm/arm.c, config/avr/avr.c: Use new macros.
11325 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
11326 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
11327 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
11328 * config/sh/sh.c: Likewise.
11329 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
11331 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
11333 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
11335 * gcc.c (struct prefix_list): Add member priority.
11336 (enum path_prefix_priority): Declare.
11337 (add_prefix): Replace ``first'' with ``priority''. Append new
11338 entry but keep list in priority order.
11339 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
11340 PREFIX_PRIORITY_LAST to add_prefix.
11341 (process_command): Move include kludge - foo/stageN - to before
11344 2000-07-27 Jason Merrill <jason@redhat.com>
11346 * dwarf2out.c (gen_typedef_die): Abort if we get identical
11347 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
11349 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
11351 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
11352 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
11354 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
11356 * c-decl.c (finish_function): Don't treat 'main' specially unless
11357 flag_hosted. In C99 mode, return 0 from 'main' unless
11358 DEFAULT_MAIN_RETURN is otherwise defined.
11360 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
11361 parameters defaulting to int in an old-style function definition.
11363 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11365 * c-parse.in (string): For -Wtraditional, warn about string
11366 concatenation only once per line.
11368 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
11370 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
11371 for HI-UX/WE2 systems.
11373 2000-07-24 Bruce Korb <bkorb@gnu.org>
11375 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
11376 defining the __xxx_TYPE__ macros.
11377 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
11378 * fixincl/fixlib.h: don't need to include "tm.h" anymore
11379 * fixincl/inclhack.def(type_map): now obsolete
11381 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
11383 * cpp.texi: Append a trailing full-stop to xrefs where needed.
11385 2000-07-26 Dave Pitts <dpitts@cozx.com>
11387 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
11389 (mvs_hash_alias): New function.
11390 (mvs_add_alias): Change argument spacing.
11391 (mvs_need_alias): Change aliasing criteria. Added documentation.
11392 (mvs_get_alias): Change to use hashed name. The hashed name prevents
11393 CSECT name collisions.
11394 (mvs_check_alias): Likewise.
11395 (handle_pragma): Change documentation.
11396 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
11397 mode from SImode to DImode.
11398 (iorhi3): Changed LTORG size for insn.
11400 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
11402 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
11403 mem if the address is a mode_dependent_address_p.
11405 2000-07-26 Kazu Hirata <kazu@hxi.com>
11407 * h8300.c (print_operand): Print ":8" when the 'R' operand is
11408 suitable for 8-bit absolute.
11409 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
11410 (OK_FOR_U): Add a case for the 8-bit constant address on the
11413 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
11415 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
11416 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
11417 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
11418 lack of implemented alignment.
11420 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
11422 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
11423 cross-compiling between 64-bit and 32-bit machines.
11425 2000-07-27 Richard Henderson <rth@cygnus.com>
11427 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
11428 (movhicc_astep, movhi_internal_astep): New.
11429 (movsicc_astep, movsi_internal_astep): New.
11430 (movdicc_astep, movdi_internal_astep): New.
11431 (movsfcc_astep, movsf_internal_astep): New.
11432 (movdfcc_astep, movdf_internal_astep): New.
11433 (movxfcc_astep, movxf_internal_astep): New.
11434 (cmovdi_internal_astep, cmovsi_internal_astep): New.
11435 Unify the cmov[ds]i splitters.
11437 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
11439 * real.c (asctoeg): Rename `error' label to unexpected_char_error
11441 2000-07-26 Nick Clifton <nickc@cygnus.com>
11443 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
11444 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
11446 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
11447 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
11449 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
11451 * c-decl.c (finish_enum): Convert enumerations that fit in an
11453 (build_enumerator): In pedantic mode, cast to `int' those that
11456 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
11458 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
11460 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11462 * sh.md (cmpgtdi_t): Must be split.
11463 (cmpgtdi_t+1): New splitter.
11465 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
11467 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
11468 warnings for indented directives even if we are skipping.
11470 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
11472 * invoke.texi (strict-prototypes): Remove.
11473 * extend.texi (Deprecated Features): Add strict-prototypes.
11474 (Backwards Compatibility): New node.
11476 2000-07-25 Jakub Jelinek <jakub@redhat.com>
11478 * config/i386/i386.md (andsi_1+1): Allow HImode.
11479 (andsi_1+2): Require q_regs_operand.
11481 2000-07-25 Jakub Jelinek <jakub@redhat.com>
11483 * config/i386/i386.md (call_pop): Check operands[0],
11484 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
11486 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
11487 (call_value): Likewise.
11489 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
11491 * toplev.c (pipe_closed): Delete.
11492 (crash_signal): New. Generate ICE for a fatal signal.
11493 (float_signal): Call crash_signal outside a float-handler
11495 (main): Install crash_signal as handler for core-dumping signals.
11497 2000-07-25 David Edelsohn <edelsohn@gnu.org>
11499 * rs6000.c (print_operand, case 'T'): New case.
11501 * rs6000.md (call_indirect_aix32): Convert to expander of
11502 scheduled instructions.
11503 (call_indirect_aix64): Likewise.
11504 (call_value_indirect_aix{32,64}): Likewise.
11505 (call, call_value): Invoke expanders for AIX. Fall through to
11507 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
11508 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
11509 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
11510 only "g" constraint.
11511 (call_nonlocal_aix64): Likewise.
11512 (call_value_nonlocal_aix{32,64}): Likewise.
11513 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
11515 (call_value_nonlocal_sysv): New pattern.
11516 (indirect_jump{si,di}): Use new 'T' modifier.
11517 (tablejump{si,di} matchers): Likewise.
11518 (return_internal_{si,di}): Likewise.
11519 (return_eh_{si,di}): Likewise.
11521 2000-07-24 Richard Henderson <rth@cygnus.com>
11523 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
11524 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
11525 * config/ia64/ia64.md (movdi_internal): Use it.
11527 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
11529 * cppexp.c: Warn about unary + if -Wtraditional.
11530 * cpplex.c (lex_line): Always set BOL on the first token of a line.
11532 2000-07-24 Michael Meissner <meissner@redhat.com>
11534 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
11537 2000-07-24 Nick Clifton <nickc@cygnus.com>
11539 * config/arm/arm.c (emit_multi_reg_push): Generate a
11540 REG_FRAME_RELEATED_NOTE that is compatable with the code in
11541 dwarf2out_debug_frame_expr.
11543 2000-07-24 Jason Merrill <jason@redhat.com>
11545 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
11546 UNALIGNED_INT_ASM_OP.
11547 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
11548 a location expression.
11549 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
11550 assume indirect access if we're saving the CFA address exactly.
11552 * Makefile.in (bootstrap): Move -BstageN/ to the end.
11554 2000-07-24 Jakub Jelinek <jakub@redhat.com>
11556 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
11559 2000-07-24 Michael Meissner <meissner@redhat.com>
11561 * invoke.texi (D30V Options): Add d30v options.
11563 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
11565 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
11566 needed by our gcse pass anymore.
11567 (free_pre_mem): Corresponding changes.
11568 (compute_pre_data): Do not call compute_transpout anymore.
11570 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
11571 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
11574 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
11575 (compute_pre_data): Do it here instead.
11577 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
11579 (pre_delete): Corresponding changes.
11581 2000-07-23 Mark Mitchell <mark@codesourcery.com>
11583 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
11584 to figure out whether or not a variable has already been emitted.
11586 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
11588 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
11589 instead of gen_call.
11591 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
11593 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
11595 2000-07-23 Kazu Hirata <kazu@hxi.com>
11597 * h8300.c: Fix formatting.
11599 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
11601 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
11602 for `long' switch expression into a plain warning.
11604 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
11605 (yylex): Don't pedwarn for "inline" in C99 mode.
11607 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
11609 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
11610 ggc_alloc): Likewise.
11611 * bb-reorder.c (dump_scope_forest_1): Likewise.
11613 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
11615 * reload.c (find_reloads_toplev): Add new parameter
11616 "address_reloaded".
11617 (find_reloads): Add new parameter to find_reloads_toplev calls.
11619 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
11621 * collect2.c (main): Typo fixed.
11622 * diagnostic.c: Typo fixed.
11623 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
11624 * eh-common.h: Typo fixed.
11625 * emit-rtl.c (start_sequence): Typo fixed.
11626 * flow.c (find_label_refs): Typo fixed.
11627 (calculate_global_regs_live): Typo fixed.
11628 (mark_regno_cond_dead): Typo fixed.
11629 (create_edge_list): Typos fixed.
11630 (verify_edge_list): Typo fixed.
11631 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
11632 * loop.c (strength_reduce): Typo in function name fixed.
11633 * rtl.h: Added comments. Typo in function name fixed.
11634 * rtlanal.c: Typo in function name fixed.
11635 (insn_dependant_p): Rename to ...
11636 (insn_dependent_p): ... this.
11637 (computed_jumo_p): Typo fixed.
11639 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11641 * system.h (__FUNCTION__): Wrap definition in #ifndef.
11643 2000-07-21 David Edelsohn <edelsohn@gnu.org>
11645 * rs6000.h (SIZE_TYPE): Define.
11647 2000-07-21 Mark Mitchell <mark@codesourcery.com>
11649 * ssa.c (rename_insn_1): Don't rename registers that are
11652 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
11654 * diagnostic.c (trim_filename, fancy_abort): Moved here from
11656 (fatal_function, set_fatal_function): Removed.
11657 (fatal): Don't prepare for or call the fatal_function.
11658 (diagnostic_lock, error_recursion): New.
11659 (diagnostic_for_decl, report_diagnostic): Guard against
11660 re-entering the error reporting routines.
11661 (fancy_abort): Assume function is not NULL.
11663 * errors.c (fancy_abort): New. Assume function is not NULL.
11664 * tradcpp.c (fancy_abort): Assume function is not NULL.
11666 * system.h: Provide default definition of __FUNCTION__.
11667 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
11668 Always use __FUNCTION__ in definition of abort.
11669 * tree.h: Likewise.
11670 * varray.h: Likewise.
11671 * toplev.h: Likewise. Don't prototype set_fatal_function.
11673 2000-07-20 Geoff Keating <geoffk@cygnus.com>
11675 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
11677 * glimits.h: Don't do #if defined for ARCH_PPC.
11679 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
11680 constants of size no larger than a pointer should go in the TOC.
11681 Add 'MODE' parameter.
11682 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
11683 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
11684 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
11685 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
11686 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
11687 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
11688 (rs6000_legitimize_address): Likewise.
11689 (rs6000_emit_move): Likewise.
11690 (rs6000_select_rtx_section): Likewise.
11691 (output_toc): Deal properly with outputting small constants like
11692 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
11693 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
11694 MODE parameter. Put small constants in the TOC.
11696 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
11698 (rs6000_emit_move): When reload calls us with an illegitimate
11699 address, exit early. Move the change_address calls to one place
11700 at the end of the routine. Merge the SImode and DImode expanders.
11701 When called by reload to put an integer into a FP register, force
11704 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
11706 (rs6000_hash_constant): Hash mode too.
11707 (toc_hash_function): Allow for key_mode.
11708 (toc_hash_eq): Structures are different if key_mode differs.
11709 (output_toc): Add 'mode' parameter. Save key_mode.
11710 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
11711 Pass 'mode' parameter.
11712 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
11714 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
11715 for vtable references.
11717 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
11718 choice, don't put integer values in FP regs.
11720 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
11722 * flow.c (verify_flow_info): Revamp code to verify that the
11723 head and end of each basic block are in the insn chain.
11725 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
11727 * gcse.c (record_one_set): Prepend instead of append onto
11728 reg_set_table, making it O(n) instead O(n^2).
11729 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
11730 Use a queue instead of a stack as worklist.
11732 2000-07-20 Kazu Hirata <kazu@hxi.com>
11734 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
11735 * h8300.h (OK_FOR_T): New.
11736 (EXTRA_CONSTRAINT): Support OK_FOR_T.
11737 * h8300.md: Use inc/dec.[wl] for increment/decrement
11738 by 1 and 2 in HI and SI modes.
11740 2000-07-20 Jim Wilson <wilson@cygnus.com>
11742 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
11743 larger than 14 bits.
11745 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
11747 * cppmacro.c (CAN_PASTE_AFTER): New macro.
11748 (count_params): Don't set GNU_REST_ARGS on anything.
11749 (save_expansion): Set PASTE_LEFT only on tokens for which
11750 CAN_PASTE_AFTER is true, or which are named operators.
11752 * cpplex.c (parse_args): Distinguish between a rest argument
11753 given one empty argument, and a rest argument given zero arguments.
11754 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
11755 deletion of previous token based on that.
11756 (get_raw_token): Flatten some control structure.
11758 * cpplib.h (CPP_LAST_EQ): Correct.
11759 (VOID_REST): New token flag.
11760 (GNU_REST_ARGS): Delete.
11762 * tradcpp.c (main): Don't munge -D options.
11763 (make_definition): Bring -D handling in line with cpplib.
11764 (do_define): Strip all leading whitespace from macro definitions.
11766 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
11768 * Makefile.in (tradcpp): Depend on intl.o and version.o.
11770 2000-07-20 Bruce Korb <bkorb@gnu.org>
11772 * fixincl/check.tpl: strip the platform specific types before testing
11773 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
11774 * fixincl/fixincl.tpl: use platform specific types
11775 * fixincl/fixlib.h: include the platform specific types
11776 * fixincl/inclhack.def(gnu_types): don't supply the types
11777 * fixincl/fixincl.x: regen
11779 2000-07-19 Jim Wilson <wilson@cygnus.com>
11781 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
11784 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
11786 * tradcpp.c (rescan): Do not recognize directives when the #
11789 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
11791 Implement C++ named operators.
11793 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
11794 of operators allowed in #if and having an _EQ variant. Add
11795 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
11796 (cpp_token flags): Add NAMED_OP.
11797 (enum node_type): Add T_OPERATOR.
11798 (struct cpp_hashnode): Add code slot to value union.
11799 * cpphash.h (spec_nodes): Remove n_defined.
11801 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
11802 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
11803 (is_macro_disabled): Tweak error messages.
11805 * cpplib.c (get_define_node): Disallow all named operators as
11806 macro names. Tweak error messages.
11807 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
11809 * cppinit.c (builtin_array): Add entries for the named operators.
11810 * cppexp.c (lex): Check for CPP_DEFINED token.
11811 (priority table): Add entries for CPP_MIN and CPP_MAX.
11812 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
11814 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
11816 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
11817 larger than the array of cuids.
11818 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
11821 2000-07-19 Bruce Korb <bkorb@gnu.org>
11823 * fixinc/fixincl.c: Convert to using a table of environment variables
11824 and activate the auto-edit marker on the fixed output files.
11825 * fixinc/fixlib.h: Define the environment table
11826 * fixinc/fixincl.sh: export the ${INPUT} dir
11827 * fixinc/check.tpl: likewise
11829 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
11831 * gcc.c (.h spec): Fix typo.
11833 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
11835 * Makefile.in: Fix tradcif.c path.
11837 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
11839 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
11842 * cpphash.h (TOKEN_NAME): New macro.
11843 (_cpp_spell_operator): Deleted.
11844 (token_spellings): Now _cpp_token_spellings.
11846 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
11847 * cpplex.c: Use OP and TK macros when expanding the
11848 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
11849 store the stringification of the enumeration name (CPP_CHAR,
11850 etc.) in the name slot of token_spellings.
11851 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
11852 token_spellings directly.
11853 * cpplib.c: Use TOKEN_SPELL.
11855 * cpplex.c (_cpp_push_token): If the token being pushed back
11856 is the previous token in this context, just subtract one from
11858 * cppmacro.c (save_expansion): Clear aux field when storing a
11861 2000-07-18 Jakub Jelinek <jakub@redhat.com>
11863 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
11864 buffer, provided it is not NULL.
11866 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
11868 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
11869 case of invalid volatile re-declaration.
11871 2000-07-18 Jakub Jelinek <jakub@redhat.com>
11873 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
11874 (expand_call): Adjust caller.
11876 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
11878 * diagnostic.h (report_diagnostic): Change prototype.
11880 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
11881 diagnostic_for_decl): Change prototype.
11882 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
11883 error, warning, error_with_file_and_line,
11884 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
11885 Adjust call to report_diagnostic, diagnostic_for_decl.
11886 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
11887 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
11889 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
11890 varaible argument list.
11892 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
11894 * cpphash.c: Don't include hashtab.h. Most macro-handling code
11895 moved to cppmacro.c.
11896 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
11897 dump_hash_helper): Delete.
11898 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
11899 cpp_forall_identifiers): New. Implement specialized version of
11900 Vlad's expandable hash table.
11901 (cpp_lookup): Use new functions.
11902 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
11904 * cppmacro.c: New file.
11905 * cppinit.c (dump_macros_helper): New.
11906 (cpp_finish): Iterate over the identifier table directly.
11907 * cpplex.c (parse_name): Calculate the hash of the identifier
11908 while we scan it. Use _cpp_lookup_with_hash when we can.
11910 * cpphash.h: Update prototypes.
11911 (xcnewvec, HASHSTEP): New helper macros.
11912 * cpplib.h: Update prototypes.
11913 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
11914 (cppmacro.o): New rule.
11915 (cpphash.o): Update deps.
11917 * cppmain.c: Do not set pfile->printer if no_output is on.
11919 2000-07-15 Neil Booth <neilb@earthling.net>
11921 * cpplib.c: Change all directive-handler functions to return
11923 * cpphash.h: Update typedefs.
11925 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
11927 * configure: Regenerate.
11929 * extend.texi (Extended Asm): Mention that a memory clobber
11930 does not count as a side-effect.
11932 * unroll.c (copy_loop_body): Fix one instance of using host
11933 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
11936 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
11938 2000-07-17 Richard Henderson <rth@cygnus.com>
11940 * config/ia64/ia64.md (movdi): Split out load address code.
11941 New post-reload splitter for symbolic operands.
11942 (movdi_internal): Abort if we didn't split symbolic operands
11943 when we should have.
11944 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
11945 (ia64_reorg): Split insns when not optimizing.
11946 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
11948 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
11950 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
11951 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
11953 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
11955 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
11957 2000-07-17 Jason Merrill <jason@redhat.com>
11959 * Makefile.in (clean): Remove libgcc directory.
11961 * configure.in (-Wno-long-long check): Use higher-level macros.
11963 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
11965 * simplify-rtx.c (simplify_binary_operation): Recognize
11966 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
11967 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
11968 a CONST_INT, it will always be zero.
11970 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
11972 * loop.c (check_dbra_loop) : Return if more than one condition is
11973 present to control the loop.
11975 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
11977 * mips.c (mips_expand_prologue): Don't calculate the last argument
11978 register unless we need it. When we are calculating this, make
11979 sure FUNCTION_ARG is giving us a REG.
11981 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
11983 * flow.c (libcall_dead_p): Use single_set to verify the insn
11984 has only one set and get for analysis.
11985 (propagate_one_insn): Don't pass the PATTERN of the insn.
11987 2000-07-17 Mark Klein <mklein@dis.com>
11989 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
11991 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
11993 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
11994 * configure.in (TARGET_GETGROUPS_T): Evaluate.
11995 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
11996 of second argument of getgroups.
11997 * configure, config.in: Rebuilt.
11999 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
12001 * simplify-rtx.c (simplify_relational_operation): Two signed
12002 values with equal high words are less/greater than each other if
12003 their low words are less/greater when considered as unsigned.
12005 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
12007 * configure.in (vax-*-openbsd): Change to new style configuration,
12008 add collect2/float_format information.
12009 * configure: Rebuilt.
12010 * config/vax/openbsd1.h: New.
12011 * config/vax/openbsd.h: New.
12012 * config/vax/t-openbsd: New.
12014 2000-07-17 Chip Salzenberg <chip@valinux.com>
12016 * c-common.c (shorten_compare): Quiet warnings about unsigned
12017 comparisons with zero when they occur in a system header.
12019 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
12021 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
12022 update to describe current practice.
12024 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
12026 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
12027 references to C9X. Change references to -fstd and -flang-isoc9x
12030 * c-common.c (scan_char_table): Allow "z" length modifiers on
12032 (check_format_info): Use TYPE_DOMAIN on the type matched against
12033 for "z" formats, to retrieve the language size_t rather than the
12036 * c-common.c (check_format_info): Do not make a pedantic objection
12037 to the 'L' length modifier if used with a floating point type
12040 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
12041 constants in C99 mode.
12043 2000-07-17 Kazu Hirata <kazu@hxi.com>
12045 * h8300.md: Fix the format of mac.
12046 (movsi_h8300hs): Output a tab after stmac instead of a space.
12048 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
12049 profitable adds/subs sequences.
12051 * fold-const.c: Fix comment typos.
12053 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
12055 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
12057 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12059 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
12061 2000-07-16 Neil Booth <NeilB@earthling.net>
12063 * cpplex.c: Update comments.
12064 * README.Portability: Small update.
12066 2000-07-16 Neil Booth <NeilB@earthling.net>
12068 * README.Portability: Small update.
12070 2000-07-15 Richard Henderson <rth@cygnus.com>
12072 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
12073 * config/ia64/ia64.c (ia64_move_ok): New function.
12074 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
12075 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
12077 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
12079 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
12080 immediately following a paste operator.
12081 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
12082 (cpp_reader_init): Call it, if HOST_EBCDIC.
12083 (cpp_handle_options): Do not sort option list here.
12084 (handle_option): Rename to cpp_handle_option and export.
12085 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
12086 _cpp_get_token directly.
12087 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
12088 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
12089 * cpplib.h: Prototype cpp_handle_option. Update prototype of
12092 2000-07-15 Richard Henderson <rth@cygnus.com>
12094 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
12095 cast around an expression. Tidy other unsigned tests.
12097 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
12099 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
12100 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
12101 (v_message_with_decl): Rename to ...
12102 (format_with_decl): ... this. Tweak
12103 (diagnostic_for_decl): New function.
12104 (fatal_io_error): Use verbatim in lieu of notice.
12105 (announce_function): Use verbatim.
12106 (default_print_error_function): Likewise.
12107 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
12110 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12112 * mips.c (function_arg_pass_by_reference): Don't do automatic
12113 aggregate initialization.
12114 (machine_dependent_reorg): Initialize variable `mode'.
12116 * mips.md (absdi2): Change variable `regno1' to unsigned int.
12117 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
12118 conflicts with sys/param.h macro of the same name.
12119 (reload_outdi): Likewise.
12121 2000-07-15 Michael Meissner <meissner@redhat.com>
12123 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
12124 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
12125 create a new node instead.
12127 2000-07-15 Neil Booth <NeilB@earthling.net>
12129 * README.Portability: Correct example about calling a function
12130 through a pointer to function. Format wide paragraphs.
12132 2000-07-15 Michael Meissner <meissner@redhat.com>
12134 * README.Portability: Update integer suffixes and function
12135 prototype sections.
12137 2000-07-15 Neil Booth <NeilB@earthling.net>
12139 * README.Portability: Small update.
12141 2000-07-15 Neil Booth <NeilB@earthling.net>
12143 * README.Portability: New file.
12145 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
12147 * INSTALL: Give special instructions for building GCC on Irix 6.
12148 * config/mips/x-iris6 (CC): Don't set it.
12151 2000-07-14 Jason Merrill <jason@redhat.com>
12153 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
12154 register in the stack and later in another register, use the new
12157 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
12159 * config/mips/mips.md: (absdi2): Handle sign_extend for
12162 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
12164 * cpplib.c (do_pragma_dependency): Tidy warning messages.
12166 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
12168 * .cvsignore: Correct typo.
12170 2000-07-13 Mark Mitchell <mark@codesourcery.com>
12172 * .cvsignore: Add generated YACC files.
12173 * objc/.cvsignore: New file.
12175 2000-07-14 Neil Booth <NeilB@earthling.net>
12177 * cpplex.c (adjust_column): New funcion.
12178 (skip_whitespace): Use it.
12179 (skip_block_comment): Use it, and warn about /*/* with
12182 2000-07-14 Neil Booth <NeilB@earthling.net>
12184 * cpphash.c (struct macro_info): Add new members.
12185 (_cpp_free_definition): Delete the macro directly.
12186 (count_params): Return void, with first token of
12187 expansion in struct macro_info on success.
12188 (parse_define): Return int. Hoist syntax checking from
12189 save_macro_expansion. Leave call to save_expansion to
12190 _cpp_create_definition.
12191 (alloc_macro): Needs just 2 arguments.
12192 (free_macro): Delete.
12193 (save_expansion): Don't perform syntax check.
12194 (_cpp_create_definition): Call save_expansion.
12196 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12198 * genrecog.c (write_header): Split long string.
12200 * cpphash.c (macro_info): Don't use the `signed' keyword.
12202 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
12204 2000-07-13 Jakub Jelinek <jakub@redhat.com>
12206 * calls.c (stored_args_map): New variable.
12207 (check_sibcall_argument_overlap_1): New.
12208 (check_sibcall_argument_overlap): New.
12209 (expand_call): Initialize stored_args_map.
12210 Call check_sibcall_argument_overlap.
12212 2000-07-13 Bruce Korb <bkorb@gnu.org>
12214 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
12215 (emit_gnu_type): utility procedure for gnu_type_fix
12216 (gnu_type_fix): implement various pre-processor guards around
12217 standard types so these types can be defined over and over
12218 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
12219 types alluded to above will have GNU-compliant base types
12220 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
12221 * fixinc/inclhack.def: add test_text entries and utilize the new
12222 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
12223 * fixinc/fixincl.x: regenerate
12225 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
12227 * diagnostic.c (vline_wrapper_message_with_location,
12228 v_message_with_file_and_line, v_error_with_file_and_file,
12229 v_error_for_asm, v_warning_for_asm, vfatal,
12230 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
12231 vsorry, verror, vwarning, vpedwarn): Remove.
12232 (diagnostic_for_asm): New function.
12233 (pedwarn, error, warning, pedwarn_with_file_and_line,
12234 error_with_file_and_line, warning_with_file_and_line, sorry,
12235 error_for_asm, warning_for_asm, fatal): Reimplement.
12236 (finish_diagnostic): Clear diagnostic info as well.
12238 2000-07-13 Neil Booth <NeilB@earthling.net>
12240 * c-common.h (flag_digraphs): New.
12241 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
12242 * c-lex.c (yylex): Use flag_digraphs to decide whether to
12245 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
12247 * gcc.c (do_spec_1): Add new %B operator.
12248 (set_input): Prepare for %B.
12250 (link_command_spec): Move up with the other tm.h-
12251 overrideable specs. Factor out the portion conditional on
12252 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
12253 (struct compiler): Just have a single spec string. All users
12255 (default_compilers): Remove unnecessary braces.
12256 (static_specs): Update.
12258 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
12260 (C and assembly specs): Use the new named specs, as appropriate.
12262 * objc/lang-specs.h: Use the new named specs.
12263 Remove unnecessary braces.
12265 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
12267 * gcc.c (execute): If a subprocess gets a fatal signal, report
12268 strsignal() of the signal number, and ask for a bug report.
12269 Do not do this for SIGPIPE if there's already been an error.
12271 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
12272 Delete pipe_closed.
12274 * tradcif.c: Remove.
12276 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
12278 * final.c (profile_function): Do not emit profile counters in
12279 the data section, if NO_PROFILE_COUNTERS is defined.
12280 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
12283 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
12284 (FUNCTION_PROFILER): Just emit a call to mcount.
12286 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
12288 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
12290 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
12291 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
12292 traditional, lang_chill, or lang_fortran.
12294 * cppfiles.c: #undef strcmp to suppress warning about macros
12295 used without arguments.
12296 (_cpp_execute_include): Use f, not fname, in "No include path"
12298 (_cpp_pop_file_buffer): New function.
12299 * cpplib.c: Don't include <sys/mman.h>.
12300 (cpp_push_buffer): Set line_base and lineno in new buffer.
12301 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
12303 * cpplex.c: Move all prototypes and structure declarations to the
12304 top of the file. Properly parenthesise some macro arguments.
12305 (cpp_scan_line): New function.
12306 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
12307 don't need to walk up the stack counting.
12309 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12311 * c-common.c (combine_strings): Emit a pedantic warning when a
12312 string length is greater than the minimum ANSI C is required
12315 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
12317 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
12318 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
12320 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12322 * c-decl.c (define_label): Warn about identifier conflicts with
12323 labels in traditional C.
12325 * c-parse.in (unop +): Warn about the unary plus operator for
12328 * c-typeck.c (store_init_value): Warn about automatic aggregate
12329 initialization for traditional C.
12331 * invoke.texi (-Wtraditional): Document new warnings.
12333 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
12335 * Makefile.in (c-errors.o): Fix thinko in dependency.
12337 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
12339 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
12340 -traditional, -ftraditional, or -traditional-cpp was given.
12341 Do not pass -traditional to the preprocessor.
12342 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
12343 preprocessor does it automatically.
12344 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
12346 * ch/lang-specs.h: Always use tradcpp. Do not pass
12347 -traditional, -trigraphs, or -pedantic to the preprocessor.
12348 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
12351 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
12353 * cppexp.c (LOGICAL): Delete macro.
12354 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
12357 * cpphash.c (HASHSIZE): Increase to 4096.
12358 (struct hashdummy): Add hash field.
12359 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
12360 the string values using memcmp.
12361 (cpp_lookup): Set dummy.hash.
12363 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
12365 * configure.in (m88k-openbsd): Express configuration using new fragment
12367 * configure: Rebuilt.
12368 * m88k/aout-dbx.h: New.
12369 * m88k/openbsd.h: New.
12370 * m88k/xm-openbsd.h: New.
12372 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12374 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
12376 2000-07-12 Richard Henderson <rth@cygnus.com>
12378 * reload.c (push_secondary_reload): Make sure to add the new
12379 reload at the end, after acquiring secondary memory.
12381 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12383 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
12385 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
12386 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
12388 * c-parse.in (stmt): Delete unused variables.
12390 * convert.c (convert_to_vector): Likewise.
12392 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
12394 * tree.c (finish_vector_type): Prototype.
12396 2000-07-12 Bruce Korb <bkorb@gnu.org>
12398 * fixinc/fixfixes.c: use xmalloc
12399 * fixinc/fixincl.c(initialize): set program name for xmalloc
12400 * fixinc/fixlib.c(must_malloc): obsolete
12401 (is_cxx_header): no longer used - disabled
12402 (skip_quote): inserted and disabled for future use
12403 * fixinc/fixlib.h: reflects above
12404 * fixinc/fixtests.c: removed dinkleberries
12406 2000-07-12 Neil Booth <NeilB@earthling.net>
12408 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
12409 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
12411 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
12412 struct toklist_dummy): New.
12413 (cpp_free_definition): Free macros with free_macro.
12414 (count_params): Don't save paramter spellings. Save macro
12415 information in a struct macro_info.
12416 (parse_define): Don't allocate a token list.
12417 (save_expansion): Allocate the macro's token list, and
12418 save parameter spellings if necessary. Use TOKEN_SPELL.
12419 (cpp_create_definition): Make list const.
12421 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
12423 * c-typeck.c (pedwarn_c99): Move to
12424 * c-errors.c: ... Here.
12425 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
12426 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
12427 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
12428 (c-errors.o): List dependency.
12430 2000-07-12 Mark Mitchell <mark@codesourcery.com>
12432 * c-parse.c: Remove.
12433 * c-parse.h: Likewise.
12434 * c-parse.y: Likewise.
12435 * objc/objc-parse.c: Likewise.
12436 * objc/objc-pasre.y: Likewise.
12438 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
12440 * gcc.texi: Fix minor typos
12441 * extend.texi: Fix minor typos
12443 2000-07-11 Marc Espie <espie@openbsd.org>
12445 * collect2.c (main): Recognize .lo as object files.
12447 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
12449 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
12452 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
12453 with MAP_ANONYMOUS and MAP_ANON.
12454 * configure, config.in: Rebuilt.
12456 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
12458 * diagnostic.c (save_output_state): Remove.
12459 (restore_output_state): Likewise.
12460 (clear_text_info): New function.
12461 (clear_diagnostic_info): Likewise.
12462 (output_text_length, is_starting_newline, output_prefix,
12463 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
12464 prefixing_policy, output_buffer_ptr_to_format_args): New macros
12465 (set_real_maximum_length, output_set_maximum_length,
12466 output_set_prefix, output_get_prefix, output_set_maximum_length,
12467 output_destroy_prefix, init_output_buffer,
12468 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
12469 output_add_newline, output_add_character, output_add_space,
12470 output_append_r, output_append, wrap_text, output_format,
12471 output_do_printf, output_printf, output_do_verbatim,
12472 output_verbatim, verbatim): Use them.
12473 (output_clear): Split into cleat_text_info and
12474 clear_diagnostic_info.
12475 (struct output_state): Move to...
12477 * diagnostic.h: ...Here
12478 (struct output_buffer): Adjust.
12480 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
12482 * cpplex.c (parse_name): No longer inline (premature optimization).
12483 (do_pop_context): Fold into pop_context.
12484 (pop_context): Returns int.
12485 (lex_next): Hoist test for end of directive into pop_context.
12486 (push_macro_context): Returns int; takes just reader and token.
12487 Hoist test for excessive nesting to caller.
12488 (push_arg_context): Returns void; takes just reader and token.
12489 Do not call stringify_arg or get_raw_token.
12490 (get_raw_token): Convert tail recursion through push_arg_context
12491 to a loop at this level. Call stringify_arg here if appropriate.
12492 (maybe_paste_with_next): Convert tail recursion to a while loop.
12493 Hoist test of paste_level to caller.
12495 (stringify_arg): Push arg context at beginning.
12496 (cpp_get_token): Split out core into _cpp_get_token. Call
12497 process_directive here. Throw away CPP_PLACEMARKER tokens.
12498 (_cpp_get_token): Convert tail recursion through
12499 push_macro_context to a loop at this level.
12500 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
12501 _cpp_get_raw_token): Use _cpp_get_token.
12502 (_cpp_skip_rest_of_line): Drop the context stack directly; do
12503 not call pop_context.
12504 (_cpp_run_directive): Call lex_next directly.
12506 * cpphash.h: Prototype _cpp_get_token.
12507 * cppexp.c (lex): Use it.
12508 * cpphash.c (parse_define): Use it.
12509 * cpplib.c (get_define_node, do_undef, parse_include,
12510 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
12511 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
12512 parse_ifdef, validate_else): Use it.
12513 (cpp_push_buffer): Tweak error message; abort if anyone tries
12514 to push a buffer while macro expansions are stacked.
12516 2000-07-11 Donn Terry <donnte@microsoft.com>
12518 * cpplex.c (free_macro_args, save_token): Cast arg of free
12519 and/or xrealloc to PTR.
12520 (_cpp_init_input_buffer): Clear all fields of the base context.
12522 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
12524 * gensupport.c (process_rtx): Make rtl checking stop
12525 complaining about the define_insn while it is being
12526 converted from a define_insn_and_split.
12528 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
12530 * config/mips/mips.c (simple_memory_operand): Access the
12531 INTVAL of the address, not it's containing MEM.
12533 2000-07-11 Bruce Korb <bkorb@gnu.org>
12535 * fixinc/fixtests.c(double_slash): obsolete
12536 (else_endif_label): likewise
12537 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
12538 (libc1_ifdefd_memx): correct initial comment
12539 and omit the #if/#endif pair from the memxxx declarations
12540 * fixinc/fixincl.x: regen
12542 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12544 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
12546 2000-07-11 Neil Booth <NeilB@earthling.net>
12548 * cpp.texi: Update.
12550 2000-07-11 Neil Booth <NeilB@earthling.net>
12552 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
12553 (handle_option): Set digraphs according to standard.
12554 Merge OPT_lang_c89 handler with OPT_std_c89.
12556 * cpplex.c: (lex_line, can_paste): Honour digraphs in
12557 accordance with the digraphs flag.
12559 * cpplib.h: (struct cpp_options): New option digraphs.
12561 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
12562 Bruce Korb <bkorb@gnu.org>
12564 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
12565 * fixinc/fixincl.x: Regenerate.
12566 * fixinc/tests/base/testing.h: Add testcase.
12568 2000-07-10 Richard Henderson <rth@cygnus.com>
12570 * config/ia64/ia64.c (got_symbolic_operand): New.
12571 (symbolic_operand, move_operand): Revert 0701 change.
12572 * config/ia64/ia64.h (PREDICATE_CODES): Update.
12573 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
12574 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
12575 split the offset into a 14-bit low part instead of a 13-bit low part.
12576 (load_fptr): Mark the mem as unchanging.
12577 (load_symptr): Use got_symbolic_operand.
12579 2000-07-10 Nick Clifton <nickc@cygnus.com>
12581 * libgcc2.c (next_stack_level): Cast result of computation to
12582 (void **) so that the assignment does not generate a warning.
12584 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
12586 * flags.h : Add new variable flag_single_precision_constant.
12587 * toplev.c (display_help) : Add -fsingle-precision-constant option.
12588 (flag_single_precision_constant): New.
12589 * c-lex.c (yylex): Convert floating point constant to single
12590 precision constant.
12591 * invoke.texi : Add documentation for this new option.
12593 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
12595 * diagnostic.c (output_octal): Second parameter is unsigned.
12596 (output_long_octal): Likewise.
12597 (output_hexadecimal): Likewise.
12598 (output_long_hexadecimal): Likewise.
12599 (output_format): Adjust arguments extraction. Tweak.
12600 (output_verbatim, verbatim): End variable argument list.
12601 (report_diagnostic): Improve documentation.
12603 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
12605 * c-common.h (build_stmt): Declare.
12606 (build_continue_stmt): Likewise.
12607 (build_break_stmt): Likewise.
12608 (build_return_stmt): Likewise.
12610 * c-decl.c (do_case): Rewrite to do what previously done in
12613 * c-semantics.c (build_stmt): Define.
12614 (build_return_stmt): Likewise.
12615 (build_break_stmt): Likewise.
12616 (build_continue_stmt): Likewise.
12617 (build_case_label): Likewise.
12619 * c-parse.in (BREAK): Change to build tree, then generate RTL.
12620 (CONTINUE): Likewise.
12621 (RETURN): Likewise.
12623 (DEFAULT): Likewise.
12625 * c-parse.y: Regenerate.
12626 * c-pasre.c: Likewise.
12628 2000-07-09 Jason Merrill <jason@redhat.com>
12630 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
12632 * tree.h (STRIP_NOPS): Check for error_mark_node.
12633 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
12634 (dwarf2out_*): Remove duplicate declarations.
12636 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
12637 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
12639 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
12641 * diagnostic.c (wrap_text): New function.
12642 (maybe_wrap_text): Likewise.
12643 (output_add_string): Use it.
12644 (output_format): Likewise.
12645 (count_error): Use verbatim instead of notice.
12646 (report_error_function): Likewise. Don't use plain fprintf.
12647 (finish_diagnostic): New function.
12648 (output_do_verbatim): Tweak. Commonalize functionalities in
12649 output_verbatim and verbatim.
12650 (output_verbatim): Adjust.
12651 (verbatim): Likewise.
12652 (report_diagnostic): Define.
12654 * diagnostic.h (report_diagnostic): Prototype.
12656 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
12658 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
12660 2000-07-09 Neil Booth <NeilB@earthling.net>
12662 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
12663 IShspace, ISspace: Update.
12665 * cppinit.c: ISTABLE: Update.
12668 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
12669 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
12670 (skip_block_comment, skip_line_comment, parse_string,
12671 lex_line): Use is_vspace rather than IS_NEWLINE.
12672 (skip_whitespace, lex_line): Clean up to use is_nvspace.
12673 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
12675 (lex_next): Unconditionally stop if within a directive.
12676 Treat directives within macro invocations as directives
12677 (after parse_args emits error), not as the argument.
12679 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
12681 * diagnostic.c (diagnostic_args): New macro.
12682 (diagnostic_msg): Likewise.
12683 (output_formatted_integer): Likewise.
12684 (output_state): New data type.
12685 (digit_buffer): Make global.
12686 (output_add_integer): Rename to output_decimal. Squeeze
12688 (output_long_decimal, output_unsigned_decimal,
12689 output_long_unsigned_decimal, output_octal, output_long_octal,
12690 output_hexadecimal, output_long_hexadecimal): New functions.
12691 (output_append_r): New function.
12692 (output_append): Tweak.
12693 (output_flush_on): Rename to output_to_stream.
12694 (output_format): Change prototype. Improve documentation. Handle
12695 more format specifiers.
12696 (build_location_prefix): Rename to context_as_prefix.
12697 (output_notice): Rename to output_do_printf.
12698 (output_printf): Tweak.
12699 (line_wrapper_printf): Likewise.
12700 (vline_wrapper_message_with_location): Adjust call to renamed
12702 (v_message_with_decl): Likewise.
12703 (default_print_error_function): Likewise.
12704 (save_output_state): New function.
12705 (restore_output_state): Likewise.
12706 (output_do_verbatim): Likewise.
12707 (output_verbatim): Define.
12708 (verbatim): Likewise.
12710 * diagnostic.h (printer_fn): Change return type from void to int.
12711 Improve documentation.
12712 (output_add_integer): Rename to output_decimal.
12713 (output_flush_on, output_format): Don't export.
12714 (output_verbatim, verbatim): Declare.
12716 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
12718 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
12719 Check whether c divides op1 exactly if operation is not
12722 2000-07-08 Richard Henderson <rth@cygnus.com>
12724 * final.c (final): Do not abort when reg-stack introduces
12727 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
12729 * cpplib.h (struct cpp_name): Now struct cpp_string.
12730 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
12731 CPP_HEADER_NAME): Change to type S.
12732 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
12733 field, a cpp_hashnode *. All references to val.name updated
12734 to use val.str or val.node as appropriate.
12735 (struct cpp_reader): Add spec_nodes field.
12736 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
12738 * cpphash.h (struct spec_nodes): New.
12739 (enum spell_type): Reorder. Only SPELL_STRING tokens use
12740 val.str. All references to 'spelling > SPELL_NONE' updated to
12743 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
12744 pfile->buffer->inc are not NULL before dereferencing them.
12746 * cpplex.c (parse_name): Take a pointer to the current token,
12747 plus current position and limit as args; return the new
12748 position; don't copy the text of a name into the string
12749 buffer, instead call cpp_lookup and store the node pointer.
12750 If extending a token, copy out the text of the old into a
12751 scratch buffer, append the new, look that up and store the new
12752 node pointer. Inline.
12753 (maybe_paste_with_next): If the result of paste is a NAME,
12754 then look up the pasted text and store its node pointer.
12755 (lex_line): Adjust for new parse_name interface.
12756 Check for L"str", L'str' using spec_nodes->n_L.
12757 (spell_token): SPELL_IDENT tokens have their spelling in
12758 val.node->name. Handle SPELL_STRING tokens that don't have
12760 (_cpp_expand_name_space,
12761 (can_paste): Check for L ## "str" using spec_nodes->n_L.
12762 (cpp_get_token, special_symbol): No need to call cpp_lookup.
12763 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
12764 return 1=equal 0=not, not a tristate.
12766 * cpphash.c (var_args_str): Delete.
12767 (find_param): Compare node fields directly.
12768 (is__va_args__): Use CPP_PEDANTIC. Just compare
12769 token->val.node with spec_nodes->n__VA_ARGS__.
12770 (dump_funlike_macro): Don't use var_args_str.
12772 * cpplib.c (_cpp_check_directive): Just walk through
12773 spec_nodes->dirs comparing pointers.
12774 (get_define_node, do_pragma_poison, detect_if_not_defined,
12775 parse_ifdef): The identifier has already been looked up.
12776 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
12778 (do_if): Only call detect_if_not_defined at beginning of file.
12779 (_cpp_parse_assertion): Only copy string pointers for
12780 SPELL_STRING tokens.
12781 (pragma_dispatch): Take a node pointer and examine its name
12783 (_cpp_init_stacks): Also initialize the spec_nodes structure.
12785 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
12787 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
12788 reverse order from the corresponding _cpp_init_* routines.
12790 * cppexp.c (parse_number, parse_charconst, parse_defined,
12791 lex): Check val.node->type instead of calling cpp_defined.
12792 Use spec_nodes entries where appropriate.
12794 * fix-header.c, scan-decls.c: Update for interface changes.
12796 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
12798 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
12799 emitting aux_truncdfsf2.
12801 2000-07-03 Donn Terry (donnte@microsoft.com)
12803 * cppinit.c (print_help): split overlong line into ISO C89
12806 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
12808 * cppexp.c: Update all code for new lexer interface.
12809 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
12810 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
12811 * cpplex.c (token_names): Trim leading CPP_ from names; make
12812 the strings unsigned.
12813 (_cpp_spell_operator): New.
12814 (is_macro_disabled): Disable all macros if rescanning
12816 (_cpp_get_directive_token): Remove.
12818 * cppinit.c: Don't set no_macro_expand.
12819 * cpplib.c (read_line_number, do_line): Check only for EOF,
12821 * cpphash.h: Update prototypes.
12822 * cpplib.h (CPP_VSPACE): Remove.
12823 (struct cpp_reader): Remove no_macro_expand.
12825 2000-07-08 Neil Booth <NeilB@earthling.net>
12827 * cpphash.c (is__va_args__): New function.
12828 (count_params): Fix line reported in error messages. Use
12829 is__va_args__. Don't return ')' on error. Flag GNU style
12830 rest args macro definitions.
12831 (parse_define): Check macro name is not __VA_ARGS__.
12832 (save_expansion): Check identifier in non-varargs-macro is
12833 not __VA_ARGS__. Don't flag GNU_VARARGS.
12834 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
12835 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
12836 than per-token GNU_VARARGS.
12837 * cpplib.h (GNU_VARARGS): Remove.
12838 (GNU_REST_ARGS): New.
12840 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
12842 * i386.md (call_pop, call, call_value_pop): Do not set
12843 current_function_uses_pic_offset_table for calls to static
12844 functions or indirect calls.
12846 2000-07-07 Jim Wilson <wilson@cygnus.com>
12848 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
12849 is_predicate_reg, then take max write_count of register pair.
12851 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12853 * tradcpp.c (main): Rename label `include' to `add_include' to
12854 avoid conflicts with variable `include' in traditional C.
12856 2000-07-07 Jakub Jelinek <jakub@redhat.com>
12858 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
12860 2000-07-07 Jakub Jelinek <jakub@redhat.com>
12862 * sibcall.c (uses_addressof): Add INMEM argument, check for
12863 current_function_internal_arg_pointer outside of MEM rtxs in addition
12865 (sequence_uses_addressof): Update caller.
12867 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
12869 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
12872 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12874 * system.h (UNION_INIT_ZERO): New macro for initializing union
12875 members in structs.
12877 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
12879 2000-07-07 Neil Booth <NeilB@earthling.net>
12881 * cpp.texi: Update.
12883 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
12885 * final.c (final): Detect out of bounds array access to
12886 the insn_lengths array.
12888 2000-07-07 Kazu Hirata <kazu@hxi.com>
12890 * fold-const.c (fold): Fix a comment typo.
12892 2000-07-07 Neil Booth <NeilB@earthling.net>
12894 * cpp.texi: Update to new lexer.
12896 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
12898 * tradcpp.c: New file.
12899 * tradcif.y: New file.
12900 * tradcif.c: New generated file.
12902 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
12903 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
12904 dependencies of C. Install tradcpp from install-common, in
12907 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
12909 * cppinit.c: Include cppdefault.h. Refer to
12910 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
12911 to GCC_INCLUDE_DIR and its length.
12912 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
12913 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
12914 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
12916 (include_defaults_array): Move to cppdefault.c.
12918 * cppdefault.h: New file.
12919 * cppdefault.c: New file.
12921 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
12922 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
12923 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
12926 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12928 * reload.c (push_reload): When seeing if can reuse a register,
12929 check extra registers against widest of INMODE and OUTMODE.
12931 2000-07-06 Neil Booth <NeilB@earthling.net>
12933 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
12934 based on full length of predicate.
12936 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
12938 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
12939 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
12941 2000-07-05 Kazu Hirata <kazu@hxi.com>
12943 * h8300-proto.h: Fix formatting.
12944 * h8300.c: Likewise.
12945 * h8300.h: Likewise.
12947 2000-07-05 Jim Wilson <wilson@cygnus.com>
12949 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
12952 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
12954 * invoke.texi: Fix minor typos
12955 * md.texi: Fix minor typos
12957 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
12959 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
12961 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
12963 * cpplex.c: Don't include sys/mman.h.
12964 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
12966 * cpplib.c: Include sys/mman.h and obstack.h.
12967 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
12969 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
12970 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
12971 bother freeing if stack entries (they will be freed with their buffer).
12972 (do_endif): Free if stack entries from the buffer obstack.
12973 (push_conditional): Allocate if stack entries from the buffer obstack.
12975 (find_answer): Rename to _cpp_find_answer.
12976 (do_assert, do_unassert): Update.
12978 * cpphash.h: Update prototypes.
12979 (xobnew): New convenience macro.
12980 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
12982 (struct cpp_hashnode): Remove disabled field.
12984 * cppinit.c: Don't include hashtab.h or splay-tree.h.
12985 (report_missing_guard): Moved to cppfiles.c.
12986 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
12988 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
12989 cpp_cleanup_includes. Don't destroy hashtab or
12990 all_include_files here.
12991 (cpp_finish): Use _cpp_report_missing_guards.
12993 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
12994 (_cpp_init_include_table): Rename _cpp_init_includes.
12995 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
12997 * cppexp.c (parse_assertion): Update for new name of
13000 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
13002 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
13004 * cpplib.c (do_ident): s/VSPACE/EOF/
13006 2000-07-05 Neil Booth <NeilB@earthling.net>
13008 * cpplex.c: Fix trigraph replacement within strings.
13010 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13012 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
13014 * xcoffout.c (assign_type_number): Constify.
13015 (xcoffout_source_file): Add static prototype. Don't needlessly
13016 cast away const-ness.
13018 2000-07-04 Jason Merrill <jason@redhat.com>
13020 * frame.h (frame_state): Move base_offset to end.
13022 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
13024 * calls.c (emit_library_call_value_1): Revert previous change.
13026 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
13028 * fix-header.c (struct partial_proto): Remove unnecessary fields.
13029 (recognized_extern, recognized_function, read_scan_file):
13030 Update for new scheme.
13031 (check_protection): It's still a multiple include guard even
13032 if it doesn't always trigger.
13033 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
13035 * scan.h: Declare struct cpp_token. Update prototypes.
13037 2000-07-03 Neil Booth <neilb@earthling.net>
13038 Zack Weinberg <zack@wolery.cumb.org>
13040 Complete overhaul of the lexer and macro expander.
13042 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
13043 arg, arglist, argdata, reflist, collect_objlike_expansion,
13044 collect_funlike_expansion, collect_params,
13045 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
13046 unsafe_chars, macarg, compare_defs, special_symbol,
13047 scan_arguments, stringify, funlike_macroexpand,
13048 _cpp_quote_string, monthnames): Delete.
13049 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
13050 _cpp_create_definition, _cpp_dump_definition,
13051 dump_hash_helper): Adjust.
13052 (find_param, count_params, parse_define, var_args_str,
13053 check_macro_redefinition, save_expansion): New.
13055 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
13056 parse_string, output_line_command, trigraph_replace,
13057 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
13058 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
13059 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
13060 _cpp_skip_rest_of_line): Modify.
13062 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
13063 find_position, null_warning, bump_column, expand_name_space,
13064 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
13065 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
13066 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
13067 _cpp_prescan): Delete.
13069 (dump_param_spelling, process_directive, lex_next,
13070 is_macro_disabled, stringify_arg, expand_context_stack,
13071 output_token, make_string_token, alloc_number_token,
13072 special_symbol, duplicate_token, maybe_paste_with_next,
13073 can_paste, prevent_macro_expansion, restore_macro_expansion,
13074 get_temp_token, release_temp_tokens, quote_string,
13075 token_names, token_spellings, _cpp_expand_name_space,
13076 _cpp_glue_header_name, _cpp_reserve_name_space,
13077 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
13078 placemarker_token, eof_token, cpp_context, macro_args,
13079 get_raw_token, parse_arg, parse_args, save_token,
13080 push_arg_context, push_macro_context, pop_context,
13081 do_pop_context, free_macro_args, _cpp_get_line,
13082 _cpp_run_directive): New.
13084 * cpplib.c (validate_else, parse_include, push_conditional,
13085 pass_thru_directive, read_line_number, parse_ifdef,
13086 detect_if_not_defined, _cpp_check_directive, do_define,
13087 do_undef, do_include, do_import, do_include_next, do_error,
13088 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
13089 top_pragmas, do_pragma_gcc, do_pragma_implementation,
13090 do_pragma_poison, do_pragma_system_header,
13091 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
13092 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
13093 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
13094 cpp_defined): Update for new scheme.
13095 (strtoul_for_line, get_define_node, dump_macro_name,
13096 _cpp_check_linemarker, _cpp_parse_assertion): New.
13097 (_cpp_handle_directive, do_pragma_default): Delete.
13099 * cpphash.h (struct predicate): Now struct answer.
13100 (enum spell_type, struct token_spelling, struct directive,
13101 directive_handler): New.
13102 Update prototypes. Remove unused macros.
13103 * cpplib.h: Update prototypes. Remove unused macros,
13104 structure definitions, and fields.
13106 * cpperror.c (print_containing_files, v_message): Adjust.
13107 * cppexp.c (parse_assertion, lex, parse_escape,
13108 _cpp_parse_expr): Adjust.
13109 * cppfiles.c (open_include_file, _cpp_execute_include,
13110 _cpp_compare_file_date, cpp_read_file, read_include_file):
13112 * cppinit.c (dump_special_to_buffer): Delete.
13113 (append_include_chain, merge_include_chains, cpp_reader_init,
13114 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
13115 cpp_finish, handle_option, print_help): Adjust.
13116 * cppmain.c (main): Adjust.
13118 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
13120 * cppspec.c (lang_specific_driver): Use double quotes in error
13123 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
13125 * calls.c (emit_library_call_value_1): Use valreg instead
13126 of hard_libcall_value.
13128 2000-07-03 Geoff Keating <geoffk@cygnus.com>
13130 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
13131 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
13132 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
13140 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
13141 mode instead of wider_mode is being used.
13143 2000-07-03 Jakub Jelinek <jakub@redhat.com>
13145 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
13146 of 'r'. Use q_regs_operand.
13147 (andsi_1+2): Use q_regs_operand.
13149 2000-07-03 Jakub Jelinek <jakub@redhat.com>
13151 * builtins.c (get_memory_rtx): Always put into alias set 0.
13153 2000-07-03 Nick Clifton <nickc@cygnus.com>
13155 * config/arm/arm.md: Fix post increment and pre increment
13156 peepholes so that they do not generate UNPREDICATBLE opcodes.
13157 (ie ones where the increment clobbers the source/destination).
13159 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
13161 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
13162 change too big for -mtiny-stack" a warning, if larger than 63.
13163 (out_set_stack_ptr): Change the logic so -mno-interrupts is
13164 always safe to use on possible future devices.
13165 (function_prologue): Write SPH before SPL, for consistency.
13166 If interrupt_func_p true, we know we have enabled interrupts.
13167 (avr_num_arg_regs): New function. Round up to even number of
13168 bytes if no -mpack-args or if calling a libgcc function.
13169 (function_arg, function_arg_advance): Use it.
13170 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
13171 Output "movw" if available.
13172 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
13173 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
13174 (asm_output_section_name): Add blanks for consistent output.
13175 (encode_section_info): Set TREE_READONLY for progmem data to
13176 avoid gas warnings about changed section attributes.
13177 (avr_hard_regno_mode_ok): Force non-QImode data to start in
13178 even numbered registers on devices with "movw".
13179 * config/avr/avr.h (MASK_*): Define bits for target_flags.
13180 (TARGET_SWITCHES): Mark help strings for translation.
13181 Add new -mpack-args and -menhanced switches.
13182 (TARGET_OPTIONS): Mark help strings for translation.
13183 (progmem_section): Add section attributes.
13184 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
13185 Output "movw" if available.
13186 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
13188 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
13189 call convention (arguments aligned on even registers).
13190 (_cleanup, _exit): Make weak symbols libc can override.
13192 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13194 * fp-bit.h: New file.
13196 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
13197 Comment #endif statements.
13198 (__thenan_sf, __thenan_df): Add missing braces around initializer.
13200 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
13202 * gcse.c (compute_pre_data): Compute ae_kill using other local
13203 properties instead of calling compute_ae_kill.
13205 * alias.c (init_alias_analysis): Do not call
13206 prologue_epilogue_contains until after reload has completed.
13208 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
13210 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
13211 (genrtl_finish_compound_stmt): Likewise.
13212 (genrtl_compound_stmt): Change to return void.
13214 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
13215 move code from here to ...
13216 (genrtl_compound_stmt): ... here.
13217 (genrtl_finish_compound_stmt): Remove.
13218 (expand_stmt): Add comment.
13220 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
13222 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
13225 2000-07-02 Jakub Jelinek <jakub@redhat.com>
13227 * cpplib.h (struct cpp_reader): New field include_depth.
13228 (struct cpp_printer): Rename last_bsd to last_id.
13229 * cppfiles.c (read_include_file): Bump include_depth.
13230 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
13231 (output_line_command): Output correct #line if a header
13232 is including itself and is not protected against multiple inclusion.
13233 Use include_depth instead of buffer_stack_depth, last_id instead of
13235 * cppinit.c (cpp_start_read): Initialize last_id instead of
13238 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
13240 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
13241 (c-semantics.o): New target.
13243 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
13244 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
13245 (genrtl_clear_out_block): Likewise.
13246 (genrtl_goto_stmt): Likewise.
13247 (genrtl_expr_stmt): Likewise.
13248 (genrtl_decl_stmt): Likewise.
13249 (genrtl_if_stmt): Likewise.
13250 (genrtl_while_stmt): Likewise.
13251 (genrtl_do_stmt): Likewise.
13252 (genrtl_return_stmt): Likewise.
13253 (genrtl_for_stmt): Likewise.
13254 (genrtl_break_stmt): Likewise.
13255 (genrtl_continue_stmt): Likewise.
13256 (genrtl_scope_stmt): Likewise.
13257 (genrtl_switch_stmt): Likewise.
13258 (genrtl_case_label): Likewise.
13259 (genrtl_begin_compound_stmt): Likewise.
13260 (gerntl_finish_compound_stmt): Likewise.
13261 (genrtl_compound_stmt): Likewise.
13262 (genrtl_asm_stmt): Likewise.
13263 (genrtl_decl_cleanup): Likewise.
13264 (DECL_ANON_UNION_ELEMS): Likewise.
13265 (emit_local_var): Likewise.
13266 (make_rtl_for_local_static): Likewise.
13267 (expand_cond): Likewise.
13268 (expand_stmt): Likewise.
13269 (c_expand_return): Likewise.
13270 (c_expand_start_case): Likewise.
13271 (do_case): Likewise.
13272 (COMPOUND_STMT_NO_SCOPE): Likewise.
13273 (c_expand_asm_operands): Likewise.
13274 (NEW_FOR_SCOPE_P): New macro.
13275 (expand_expr_stmt_fn): New type.
13277 (set_current_function_name_declared): Likewise.
13278 (current_function_name_declared): Likewise.
13279 (lang_expand_stmt): Likewise.
13280 (stmts_are_full_exprs_p): Likewise.
13281 (anon_aggr_type_p): Likewise.
13282 (lang_expand_expr_stmt): Likewise.
13283 (build_case_label): Likewise.
13285 * c-decl.c (lang_expand_expr_stmt): Initialize.
13286 (stmts_are_full_exprs_p): Define.
13287 (current_function_name_declared): Likewise.
13288 (do_case): Likewise.
13289 (lang_expand_stmt): Likewise.
13290 (set_current_function_name_declared): Likewise.
13291 (anon_aggr_type_p): Likewise.
13293 * c-semantics.c: New file.
13294 (expand_cond): Moved from cp/semantics.c.
13295 (genrtl_do_pushlevel): Likewise.
13296 (genrtl_clear_out_block): Likewise.
13297 (genrtl_goto_stmt): Likewise.
13298 (genrtl_expr_stmt): Likewise.
13299 (genrtl_decl_stmt): Likewise.
13300 (genrtl_if_stmt): Likewise.
13301 (genrtl_while_stmt): Likewise.
13302 (genrtl_do_stmt): Likewise.
13303 (genrtl_return_stmt): Likewise.
13304 (genrtl_for_stmt): Likewise.
13305 (genrtl_break_stmt): Likewise.
13306 (genrtl_continue_stmt): Likewise.
13307 (genrtl_scope_stmt): Likewise.
13308 (genrtl_switch_stmt): Likewise.
13309 (genrtl_case_label): Likewise.
13310 (genrtl_begin_compound_stmt): Likewise.
13311 (genrtl_finish_compound_stmt): Likewise.
13312 (genrtl_compound_stmt): Likewise.
13313 (genrtl_asm_stmt): Likewise.
13314 (genrtl_decl_cleanup): Likewise.
13315 (make_rtl_for_local_static): Moved from cp/decl.c.
13316 (emit_local_var): Likewise.
13317 (expand_stmt): Define.
13319 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
13320 (c_expand_return): Likewise.
13321 (c_expand_start_case): Likewise.
13323 2000-07-01 Richard Henderson <rth@cygnus.com>
13325 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
13326 with the low 13 bits set.
13327 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
13328 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
13329 of the low 13 bits into a CONST plus an adddi3.
13330 (load_symptr): Set RTX_UNCHANGING_P.
13332 See ChangeLog.3 for earlier changes.
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