1 2000-12-01 Geoffrey Keating <geoffk@redhat.com>
3 * cpplib.c (do_ifdef): Add check_eol() call.
6 2000-12-02 Daniel Berlin <dberlin@redhat.com>
7 Bruce Korb <bkorb@gnu.org>
9 * fixinc/*: global substitute /__MSDOS__/SEPARATE_FIX_PROC/
10 * fixinc/mkfixinc.sh: prepare to use Makefile.BEOS for *-*-beos*
11 * fixinc/Makefile.DOS: define SEPARATE_FIX_PROC for build
12 * fixinc/fixfix.c(wrap_fix): avoid wrapping files that
13 use the "__need_" hackery. It breaks them.
14 * fixinc/fixincl.c(process - SEPARATE_FIX_PROC):
15 Sometimes on DOS and BeOS the temp output file cannot be opened.
16 Skip the file noisily. Ought to be fixed instead.
18 2000-12-02 Bruce Korb <bkorb@gnu.org>
20 From: 2000-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22 * fixfixes.c (emit_gnu_type, format_write): Prototype.
23 (format_write, char_macro_use_fix, char_macro_def_fix): Use gcc's
24 custom uppercase ctype macros.
25 * fixincl.c (do_version): Make static and add ATTRIBUTE_NORETURN.
26 Use gcc's custom uppercase ctype macros.
28 (machine_matches): Add static prototype and constify variable.
29 (create_file, test_test, egrep_test): Add static prototype.
30 (quoted_file_exists): Likewise, and constify parameters.
31 (extract_quoted_files, internal_fix, start_fixer, fix_applies,
32 write_replacement, test_for_changes): Add static prototype.
33 (write_replacement, test_for_changes): Delete excess argument to
35 * fixtests.c (test): Make static.
36 * server.c (load_data, sig_handler, server_setup, find_shell): Add
38 (sig_handler): Mark parameter with ATTRIBUTE_UNUSED.
40 2000-12-02 Bruce Korb <bkorb@gnu.org>
42 * fixnc/mkfixinc.sh(msdosdjgpp): remove from fixincludes exception list
43 (per Laurynas Biveinis <lauras@softhome.net>)
45 2000-12-02 Richard Earnshaw <rearnsha@arm.com>
47 * arm.h (ARM_REGNO_OK_FOR_BASE_P, THUMB_REGNO_MODE_OK_FOR_BASE_P): New
49 (REGNO_MODE_OK_FOR_BASE_P): Define in terms of above.
50 (REGNO_OK_FOR_FOR_BASE_P): Delete.
51 (ARM_REG_OK_FOR_BASE_P, THUMB_REG_MODE_OK_FOR_BASE_P): New macros for
52 both strict and non-strict uses.
53 (REG_MODE_OK_FOR_BASE_P): Define in terms of above.
54 (ARM_REG_OK_FOR_INDEX_P, THUMB_REG_OK_FOR_INDEX_P): New macros.
55 (REG_OK_FOR_INDEX_P): Define in terms of above.
56 (REG_OK_FOR_BASE_P): Delete.
57 (REG_OK_FOR_PRE_POST_P): Delete.
58 (ARM_BASE_REGISTER_RTX_P): Renamed from BASE_REGISTER_RTX_P.
59 (ARM_INDEX_REGISTER_RTX_P): Renamed from INDEX_REGISTER_RTX_P.
60 (ARM_GO_IF_LEGITIMATE_INDEX): Renamed from GO_IF_LEGITIMATE_INDEX.
61 (THUMB_LEGITIMATE_OFFSET): Renamed from LEGITIMATE_OFFSET.
62 (ARM_GO_IF_LEGITIMATE_ADDRESS): Adjust for name changes. Use ARM
63 specific variants rather than general ones. Use ARM_REG_OK_FOR_BASE_P
64 in pre/post increment cases.
65 (THUMB_GO_IF_LEGITIMATE_ADDRESS): Similarly for Thumb.
66 (ARM_LEGITIMIZE_ADDRESS): Similarly.
67 (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Similarly.
68 * arm.c (legitimate_pic_address): Similarly.
70 2000-12-02 Neil Booth <neilb@earthling.net>
72 * tradcpp.c (struct answer, parse_assertion, parse_answer,
73 canonicalize_text, find_answer): New.
74 (do_assert, do_unassert): Provide appropriate function bodies.
75 (union hashval): New member answers.
77 2000-11-23 Marek Michalkiewicz <marekm@linux.org.pl>
79 * config/avr/avr.md: Document UNSPEC usage.
80 (*tablejump_rjmp, *tablejump_lib, *tablejump_enh, *tablejump):
81 Make operand 0 input only, clobber it. Use UNSPEC, not a bogus
82 MEM for program memory word reference. Do not add the label to
83 the table index in each of the asm output templates, instead ...
84 (casesi): ... do it in RTL. Adjust to match the above change.
86 2000-12-02 Bernd Schmidt <bernds@redhat.co.uk>
88 * c-common.c (PTRDIFF_TYPE): Provide default here, ...
89 * c-decl.c: ... not here.
91 * haifa-sched.c (sched_dump): Renamed from dump. All users changed.
92 (old_max_uid): New variable.
93 (compute_forward_dependences): Renamed from
94 compute_block_forward_dependences; changed to accept block head and
95 tail instead of block number. Caller changed.
96 (free_deps, init_dependency_caches, free_dependency_caches,
97 init_regions, sched_init): New functions, split out from
98 schedule_insns and compute_block_backward_dependences.
100 2000-12-02 Neil Booth <neilb@earthling.net>
102 * cppexp.c (parse_number): Update diagnostic test.
104 2000-12-02 Bernd Schmidt <bernds@redhat.co.uk>
106 * reload1.c (free_for_value_p): New function, frontend to
107 reload_reg_free_for_value_p. All callers of the latter now call
108 this function with an additional mode argument.
110 2000-12-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
112 * install.texi (Configurations): Remove obsolete documentation for
115 2000-12-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
117 * install.texi (Installation): Remove obsolete description for
118 libstdc++ which is now an integral part of GCC.
120 2000-12-01 Jim Blandy <jimb@redhat.com>
122 * dbxout.c (dbxout_parms): Correctly describe parameters passed by
123 invisible reference in registers, but then spilled to the stack.
124 Remove code to emit a second stab for such parameters; it attempts
125 to describe the value's location by introducing a synthetic C++
126 `reference' type, and then saying the stack slot has that
127 reference type. This loses type information (breaking GDB's
128 `ptype' command, among other things) just to describe a location
129 which stabs can represent correctly in other ways.
131 2000-12-01 Alexandre Oliva <aoliva@redhat.com>
133 * final.c (output_addr_const) <PLUS>: Don't assume at least one
134 operand is a CONST_INT.
136 * config/sh/sh.c (reg_class_from_letter): Assign `k' to SIBCALL_REGS.
137 (machine_dependent_reorg): Split all insns.
138 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Compute
139 reg_class_contents[SIBCALL_REGS].
140 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Add SIBCALL_REGS.
141 * config/sh/sh.md (calli_pcrel, call_pcrel, call_valuei_pcrel,
142 call_value_pcrel, call, call_value, sibcall): Match even when
144 (sibcalli_pcrel, sibcall_pcrel): Likewise. Use constraint `k'
146 (sibcalli): Likewise.
148 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
150 * c-common.c (warn_format, warn_format_y2k,
151 warn_format_extra_args, warn_format_nonliteral): Define.
152 (check_format_info): Check warn_format_nonliteral and
153 warn_format_extra_args.
154 (check_format_info_main): Check warn_format_y2k.
155 (set_Wformat): New function.
156 * c-common.h (warn_format_y2k, warn_format_extra_args,
157 warn_format_nonliteral, set_Wformat): Declare.
158 * c-decl.c (warn_format): Remove definition.
159 (c_decode_option): Handle -Wformat-nonliteral,
160 -Wno-format-extra-args and -Wno-format-y2k, and negated versions.
162 * invoke.texi: Document these new options and -Wformat=2.
163 * toplev.c (documented_lang_options): Add these new options.
165 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
167 * builtins.def (BUILT_IN_IMAXABS): Add.
168 * builtins.c (expand_builtin): Also abort on BUILT_IN_IMAXABS.
169 * c-common.c (c_common_nodes_and_builtins): Create builtin
170 functions __builtin_imaxabs, and plain imaxabs unless
171 flag_no_nonansi_builtin outside C99 mode.
172 (expand_tree_builtin): Handle BUILT_IN_IMAXABS.
173 * extend.texi: Document builtin imaxabs.
175 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
177 * c-common.c: Include "defaults.h".
178 (WINT_TYPE, INTMAX_TYPE, UINTMAX_TYPE): Define.
179 (c_common_nodes_and_builtins): Create string_type_node,
180 const_string_type_node, wint_type_node, intmax_type_node,
181 uintmax_type_node, default_function_type, ptrdiff_type_node and
182 unsigned_ptrdiff_type_node.
183 * c-common.h (identifier_global_value): Declare.
184 * c-decl.c (WINT_TYPE, INTMAX_TYPE, UINTMAX_TYPE): Don't define.
185 (init_decl_processing): Don't create string_type_node,
186 const_string_type_node, wint_type_node, intmax_type_node,
187 uintmax_type_node, default_function_type, ptrdiff_type_node and
188 unsigned_ptrdiff_type_node.
189 (identifier_global_value): New function.
191 2000-12-01 Neil Booth <neilb@earthling.net>
193 * cppinit.c (initialize): Forgotten prototype.
194 * cpplex.c (_cpp_lex_token): Loop until not skipping.
195 Always clear PREV_WHITE upon meeting a new line.
196 * cpplib.c (end_directive): Set pfile->skipping after
198 * cpplib.h (cpp_reader): Remove macro_pos.
199 * cppmacro.c (cpp_get_line): Don't do anything special inside
201 (parse_arg): Add PREV_WHITE if a token appears after new lines.
202 (funlike_invocation_p): Save and restore the output position
203 over a successful check for a '('.
204 (enter_macro_context): Delete uses of macro_pos.
205 (cpp_get_token): Don't use pfile->skipping.
207 2000-12-01 Phil Edwards <pme@sources.redhat.com>
209 * diagnostic.c: Fix typos in comments.
210 * diagnostic.h: Likewise.
212 2000-11-30 Phil Edwards <pme@sources.redhat.com>
214 * rtl.texi (Machine Modes): Document BImode and OImode.
216 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
218 * gcc.c (default_compilers): Add suffixes .mi, .cp, .ii, .FOR and
221 2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk>
223 * c-decl.c (grokdeclarator): If pedantic, warn about arrays with
224 incomplete element type.
225 (grokparms): Before checking for incomplete parameter type, check
226 the type isn't error_mark_node.
228 2000-12-01 Jakub Jelinek <jakub@redhat.com>
230 * builtins.c (target_char_cast): New function.
231 (expand_builtin_strchr): Use it.
232 (expand_builtin_strrchr): Use it.
233 (builtin_memset_read_str): New function.
234 (expand_builtin_memset): Use target_char_cast.
235 Try to optimize memset with second argument non-zero using
238 2000-11-30 Marek Michalkiewicz <marekm@linux.org.pl>
240 * install.texi (avr): Replace incomplete list of supported MCU
241 types with a link to the current one ...
242 * invoke.texi (AVR Options): ... here. Update -mmcu= to list
243 all supported MCU types. Document -minit-stack= default.
244 Document new options -mno-tablejump, -mtiny-stack.
245 * md.texi (AVR family): Fix typo in 'w' constraint letter
246 description. Document 'q'. Update 'O'.
248 2000-12-01 Bernd Schmidt <bernds@redhat.co.uk>
250 * combine.c (cant_combine_insn_p): Only disallow insns involving
251 hard regs if they are reg-reg moves.
252 (try_combine, can_combine_p, combinable_i3pat): Delete old
253 SMALL_REGISTER_CLASSES tests.
255 2000-12-01 Alexandre Oliva <aoliva@redhat.com>
257 * config/sh/sh.c (shiftcosts): Don't get INTVAL before testing
258 whether X is a CONST_INT.
259 (addsubcosts): Likewise.
261 * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA): Use INTVAL instead of
263 (ARG_POINTER_REGNUM): Set to AP_REG.
265 2000-11-30 Alexandre Oliva <aoliva@redhat.com>
267 * config/sh/sh.md (fpu_switch0, fpu_switch1, movpsi, fpu_switch,
268 splits): Only match on TARGET_SH4.
270 * combine.c (try_combine): Disregard USEs when updating LOG_LINKS
273 2000-11-30 Richard Henderson <rth@redhat.com>
275 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Disable.
276 * config/alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
278 2000-11-30 Richard Henderson <rth@redhat.com>
280 * config/alpha/elf.h (ASM_OUTPUT_SECTION_NAME): Copy elfos.h defn.
281 (DO_SELECT_SECTION): New.
282 (SELECT_SECTION): Use it.
283 (UNIQUE_SECTION_P): New.
284 (UNIQUE_SECTION): New.
286 2000-11-30 Alexandre Oliva <aoliva@redhat.com>
288 * c-common.c (status_warning) [! ANSI_PROTOTYPES]: Load status
289 from va_list before using it.
291 2000-11-30 Michael Matz <matzmich@cs.tu-berlin.de>
293 * flow.c (make_edge): Early out, if no flags to set.
294 (calculate_global_regs_live): Clear out garbage only when necessary.
296 * simplify-rtx.c (varray_type used_regs): New.
297 (clear_table): Use it to only clear necessary items.
298 (cselib_lookup, cselib_record_set): Remember newly set items.
299 (cselib_update_varray_sizes, cselib_init): Initialize and grow
302 * local-alloc.c (update_equiv_regs): New local `cleared_regs'.
303 Move clearing of dead regs out of insn-loop.
305 2000-11-30 Richard Henderson <rth@redhat.com>
307 * calls.c (expand_call): Emit queued insns before creating
308 the tail recursion sequence.
310 2000-11-30 J. David Anglin <dave.anglin@nrc.ca>
311 Bruce Korb <bkorb@gnu.org>
313 * fixinc/inclhack.def(): prevent dual double definition protection
314 * fixinc/fixincl.x: regenerate
316 2000-11-29 Loren J. Rittle <ljrittle@acm.org>
318 * fixinc/Makefile.in (fixincl.x): Explicitly state the
319 location of the generated file.
321 2000-11-30 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
323 * README.FRESCO: Remove obsolete file.
325 2000-11-30 Mark Kettenis <kettenis@gnu.org>
327 * configure.in: Reorganize handling of *-*-gnu*, to share target
328 specific make details with Linux. Update comments to clarify
329 the distinction between GNU/Linux and GNU/Hurd.
330 * config/t-gnu (LIBGCC1, CROSS_LIBGCC1, CRTSTUFF_T_CFLAGS,
331 TARGET_LIBGCC2_CFLAGS): Remove. We now use the settings from
332 config/t-linux for the Hurd.
334 2000-11-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
336 * config/mn10200/udivmod.c, config/mn10200/divmod.c,
337 config/mn10200/udivmodsi4.c: Moved from here.
338 * config/udivmod.c, config/divmod.c, config/udivmodsi4.c: To here.
339 * config/mn10200/t-mn10200 (LIB2FUNCS_EXTRA): Use the generic
340 C division functions.
341 * config/m68hc11/t-m68hc11-gas (LIB2FUNCS_EXTRA): Likewise.
343 Thu Nov 30 01:12:52 2000 Jeffrey A Law (law@cygnus.com)
345 * pa.md (conditional moves): Avoid holes in operand list.
346 (mod, umod patterns): Similarly.
347 (variable extract/shift patterns): Similarly.
349 2000-11-30 Neil Booth <neilb@earthling.net>
351 * objc/objc-act.c (lang_init, finish_file, maybe_objc_comptypes,
352 maybe_objc_check_decl, build_objc_string_object,
353 objc_declare_alias, objc_declare_class, build_message_expr,
354 build_protocol_expr, build_selector_expr, build_encode_expr,
355 get_class_ivars, start_class, start_protocol): Remove
356 redundant code, assuming doing_objc_thang is true.
358 2000-11-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
360 * pa.c (restore_unscaled_index_insn_codes): Delete procedure.
361 (record_unscaled_index_insn_codes): Likewise.
362 (unscaled_index_insn_codes): Delete.
363 (max_unscaled_index_insn_codes_uid): Delete.
364 (output_function_prologue, output_function_epilogue, pa_reorg):
365 Don't use the unscaled index insn hack.
367 * pa.md: Remove hack from all index insns to reverse the operand
368 order of frame and stack pointer references incorrectly created
371 * function.h (emit_status): Delete member regno_pointer_flag and
372 rename regno_pointer_flag_length to regno_pointer_align_length.
373 Delete define for REGNO_POINTER_FLAG.
374 * integrate.h (inline_remap): Delete member regno_pointer_flag.
375 Add member x_regno_reg_rtx.
376 * rtl.h (rtx_def): Use frame_related bit to indicate register is
377 a pointer in REG expressions. Define REG_POINTER macro.
378 * alias.c (find_base_value, find_base_term): Use REG_POINTER
379 instead of REGNO_POINTER_FLAG.
380 * combine.c (nonzero_bits, num_sign_bit_copies): Likewise.
381 * emit-rtl.c (gen_reg_rtx): Use regno_pointer_align_length instead
382 of regno_pointer_flag_length. Remove code which refers to
384 (mark_reg_pointer): Use REG_POINTER.
385 (free_emit_status): Remove code which refers to regno_pointer_flag.
386 (init_emit, mark_emit_status): Likewise.
387 * flow.c (dump_flow_info): Likewise.
388 * function.c (preserve_temp_slots): Likewise.
389 * integrate.c (expand_inline_function, copy_rtx_and_substitute):
390 Use x_regno_reg_rtx instead of regno_pointer_flag for function
391 pointer determination in map.
392 * loop.c (strength_reduce, maybe_eliminate_biv_1): Use REG_POINTER.
393 * predict.c (estimate_probability): Likewise.
394 * regclass.c (record_address_regs, reg_scan_mark_refs): Likewise.
395 * unroll.c (unroll_loop): Use x_regno_reg_rtx instead of
396 regno_pointer_flag for function pointer determination in map.
397 * convex.h (RTX_COSTS): Don't test regno_pointer_flag and use
399 * pa.c (hppa_legitimize_address, emit_move_sequence, basereg_operand):
401 (restore_unscaled_index_insn_codes): Revise comment.
403 * expr.c (do_compare_and_jump): Add missing TYPE_MODE in statement.
405 2000-11-30 Joseph S. Myers <jsm28@cam.ac.uk>
407 * extend.texi: Update documentation for attributes.
409 2000-11-29 David O'Brien <obrien@FreeBSD.org>
411 * config/alpha/elf.h (IDENT_ASM_OP): Protect the #define.
412 (ASM_DECLARE_OBJECT_NAME): Same.
413 (ASM_FILE_END): Same.
414 (ASM_FINISH_DECLARE_OBJECT): Same.
415 (ASM_IDENTIFY_GCC): Same.
416 (ASM_IDENTIFY_LANGUAGE): Same.
417 (ASM_OUTPUT_CONSTRUCTOR): Same.
418 (ASM_OUTPUT_DEF): Same.
419 (ASM_OUTPUT_DESTRUCTOR): Same.
420 (ASM_OUTPUT_EXTERNAL_LIBCALL): Same.
421 (ASM_OUTPUT_SECTION_NAME): Same.
422 (ASM_WEAKEN_LABEL): Same.
423 (BSS_SECTION_ASM_OP): Same.
424 (COMMON_ASM_OP): Same.
425 (CONST_SECTION_ASM_OP): Same.
426 (CONST_SECTION_FUNCTION): Same.
427 (CTORS_SECTION_ASM_OP): Same.
428 (DTORS_SECTION_ASM_OP): Same.
430 (FINI_SECTION_ASM_OP): Same.
431 (IDENT_ASM_OP): Same.
432 (IDENT_ASM_OP): Same.
433 (INIT_SECTION_ASM_OP): Same.
435 (MAX_OFILE_ALIGNMENT): Same.
436 (SBSS_SECTION_ASM_OP): Same.
437 (SDATA_SECTION_ASM_OP): Same.
438 (SECTION_FUNCTION_TEMPLATE): Same.
439 (SELECT_SECTION): Same.
440 (SE_CONST_SECTION): Same.
443 (STRING_ASM_OP): Same.
444 (STRING_LIMIT): Same.
446 (TYPE_OPERAND_FMT): Same.
448 2000-11-29 Neil Booth <neilb@earthling.net>
450 * c-decl.c (c_decode_option): Don't handle -lang-objc.
451 * objc/lang-options.h: Remove -lang-objc.
452 * objc/lang-specs.h: Don't pass -lang-objc to cc1obj.
453 * objc/objc-act.c (lang_init_options): Set c_language.
455 2000-11-29 Jakub Jelinek <jakub@redhat.com>
457 * expr.c (can_store_by_pieces): Reinitialize max_size for reverse
460 2000-11-29 Neil Booth <neilb@earthling.net>
462 * c-pragma.c (init_pragma): Update for parse_in type change.
464 2000-11-29 Laurynas Biveinis <lauras@softhome.net>
466 * configure.in: recognize DOS-style absolute paths.
468 2000-11-29 Jakub Jelinek <jakub@redhat.com>
470 * expr.h (store_by_pieces): Add prototype.
471 (can_store_by_pieces): Likewise.
472 * expr.c (struct store_by_pieces): Renamed from clear_by_pieces.
473 (can_store_by_pieces): New.
474 (store_by_pieces): New.
475 (clear_by_pieces): New.
476 (clear_by_pieces_1): New.
477 (store_by_pieces_1): Renamed from clear_by_pieces, handle storing
478 arbitrary compiler generated constants into memory block.
479 (store_by_pieces_2): Renamed from clear_by_pieces_1, likewise.
480 * builtins.c (c_readstr): New.
481 (builtin_memcpy_read_str): New.
482 (expand_builtin_memcpy): If src is string constant and
483 emit_block_move would move it by pieces, compute integer constants
484 from the string and store it into memory block instead.
485 (builtin_strncpy_read_str): New.
486 (expand_builtin_strncpy): If N is not constant zero and c_strlen does
487 not return INTEGER_CST, don't optimize.
488 If N is larger than strlen(src) + 1, try to copy the string
489 including padding with store_by_pieces.
490 (expand_builtin_strcmp): If both arguments have side effects, don't
492 (expand_builtin_fputs): If STR has side effects, don't optimize.
494 2000-11-29 Richard Earnshaw <rearnsha@arm.com>
496 * arm.md (sibcall, sibcall_value, sibcall_insn, sibcall_value_insn):
497 Add use of link register.
499 2000-11-29 Joseph S. Myers <jsm28@cam.ac.uk>
501 * extend.texi: Update documentation for default format attributes.
503 Tue Nov 28 21:56:45 2000 Jeffrey A Law (law@cygnus.com)
505 * pa/pa-64.h (ASM_OUTPUT_SECTION_NAME): Use a hash table, not
506 a list, to keep track of the sections.
508 2000-11-28 Nick Clifton <nickc@redhat.com>
510 * config/arm/arm.md (pic_load_addr): Split into
511 pic_load_addr_arm and pic_load_addr_thumb.
513 * config/arm/arm.c (legitimize_pic_address): Generate either
514 ARM or Thumb versions of pic_load_addr.
515 (arm_finalize_pic): Generate either ARM or Thumb versions of
518 2000-11-28 Richard Henderson <rth@redhat.com>
520 * calls.c (expand_call): Defer const/pure NO_DEFER_POP until
521 after sibcall do_pending_stack_adjust.
523 Wed Nov 29 00:08:23 2000 J"orn Rennecke <amylaar@redhat.com>
525 * jump.c (delete_insn): Check that REG_LABEL note actually contains
528 2000-11-28 Neil Booth <neilb@earthling.net>
530 * c-common.h: Remove flag_digraphs.
531 * c-decl.c: Remove flag_digraphs.
532 (c_decode_option): Don't set it.
533 * c-lex.c (init_c_lex): Don't do anything for digraphs.
535 2000-11-28 Richard Henderson <rth@redhat.com>
537 * c-parse.in (finish_parse): Update for parse_in type change.
540 2000-11-28 Neil Booth <neilb@earthling.net>
542 * cppmacro.c (cpp_scan_buffer_nooutput): Take a boolean
543 indicating whether to scan all buffers on the stack or
545 * cppinit.c (do_includes): Update.
546 * cppmain.c (main): Update.
547 * cpplib.h: Update prototype.
549 2000-11-28 Richard Henderson <rth@redhat.com>
551 * genoutput.c (validate_insn_operands): New.
554 * config/alpha/alpha.md (divmodsi_internal): Renumber operands.
555 (divmoddi_internal): Likewise.
556 * config/arm/arm.md (andsi3_compare0_scratch): Likewise.
557 * config/i960/i960.md (branch patterns): Likewise.
558 * config/ia64/ia64.md (tbit_and_0): Likewise.
559 (tbit_and_1, tbit_or_0, tbit_or_1): Likewise.
560 * config/m68k/m68k.md (zero_extract memory patterns): Likewise.
561 * config/mips/mips.md (divmodsi4_internal): Likewise.
562 (divmoddi4_internal): Likewise.
563 * config/rs6000/rs6000.md (call patterns): Likewise.
564 * config/sh/sh.md (movsi_y): Likewise.
565 * config/sparc/sparc.md: Comment out if 0 v8p shift pattern.
567 2000-11-28 Richard Henderson <rth@redhat.com>
569 * config.gcc: Kill residual pyramid support.
571 2000-11-28 Neil Booth <neilb@earthling.net>
573 * c-lex.h (parse_in): Change parse_in to a cpp_reader *.
574 * c-decl.c (c_decode_option): Update to match.
575 * c-lex.c (init_c_lex, yyparse): Update to match.
576 * c-lang.c (lang_init_options): Use cpp_create_reader.
577 * cppinit.c (cpp_init): Rename initialize.
578 (cpp_reader_init): Rename cpp_create_reader. Create the
579 reader. Initialize cpplib if appropriate.
580 * cpplib.h (cpp_create_reader) New prototype.
581 (cpp_init, cpp_reader_init): Delete prototypes.
582 * cppmain.c (general_init, setup_callbacks): New functions.
584 * fix-header.c (scan_in): Change type to cpp_reader *.
585 (read_scan_file): Update for new cpplib interface and scan_in type.
587 * cp/decl.c (parse_in): Change to cpp_reader *.
588 (lang_decode_option): Update.
589 * cp/lex.c (lang_init_options): Use new cpplib interface.
590 (init_cp_pragma, finish_parse, handle_pragma_implementation): Update.
591 * cp/spew.c (read_token): Update.
592 * objc/objc-act.c (lang_init_options): Update new cpplib interface.
594 2000-11-28 Jakub Jelinek <jakub@redhat.com>
596 * loop.c (load_mems): Avoid using next_label to find end_label. If
597 jumping outside of the loop (other than loop end), don't hoist MEMs
600 2000-11-28 Jan Hubicka <jh@suse.cz>
602 * calls.c (expand_call): Don't disable tail recursion based
605 2000-11-28 Neil Booth <neilb@earthling.net>
607 * tradcpp.c (enum node_type): New hash types T_ASSERT, T_UNASSERT.
608 (struct directive): Drop 4th argument from handlers.
609 (do_define, do_line, do_include, do_undef, do_else, do_elif,
610 do_endif): Similarly.
611 (do_assert, do_unassert, do_ifdef, do_ifndef): New handlers.
612 (do_ifxdef): Update as common handler of do_ifdef and do_ifndef.
613 (make_definition, make_undef): Take a const char*.
614 (make_assertion): New function.
615 (struct directive_table): Update.
616 (main): Handle -A command line argument.
617 (handle_directive): Drop fourth handler argument.
619 2000-11-28 Bernd Schmidt <bernds@redhat.co.uk>
621 * simplify-rtx.c (cselib_record_sets): Ignore sets whose destination
622 is anything but REG or MEM, but look inside STRICT_LOW_PART.
624 Tue Nov 28 09:53:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
626 * system.h (IS_DIR_SEPARATOR): Use uppercase macro name.
627 (IS_ABSOLUTE_PATHNAME): New macro.
628 * gcc.c (find_a_file, process_command, do_spec_1, main): Use it.
630 2000-11-28 Jakub Jelinek <jakub@redhat.com>
632 * config/i386/i386.md (truncxfsf2_2): Fix predicate.
634 2000-11-27 Jim Wilson <wilson@redhat.com>
636 * reload1.c (reload): Use HOST_WIDE_INT for old_frame_size.
638 2000-11-27 Matthias Klose <doko@cs.tu-berlin.de>
640 * extend.texi (Nested Functions): Update URL of Usenix paper.
642 2000-11-27 Mark Mitchell <mark@codesourcery.com>
644 * function.c (free_after_compilation): Clear x_clobber_return_insn.
646 2000-11-27 Neil Booth <neilb@earthling.net>
648 * cppinit.c (cpp_reader_init): Remove handling of warn_paste
649 command line options.
650 (cpp_handle_option): Similarly.
651 * cpplib.h (struct cpp_options): Remove warn_paste.
652 * cppmacro.c (paste_tokens): Apart from assembler, make
653 unpasteable token warning mandatory.
655 2000-11-27 Neil Booth <neilb@earthling.net>
657 * tradcpp.c (enum pending_dir_t, struct pending_dir): New.
658 (main): Allocate a pending directive set of these. Use it.
659 Merge handling of -D and -U. Update handling of pending
660 directives. Free the memory after use.
662 2000-11-27 Bernd Schmidt <bernds@redhat.co.uk>
664 * flow.c (entry_exit_blocks): Add entry for cond_local_set.
665 (struct propagate_block_info): Add new member cond_local_set.
666 (propagate_block): Accept new arg cond_local_set. All callers
668 (init_propagate_block_info): Likewise.
669 (calculate_global_regs_live): Allocate & free cond_local_set. Always
670 rescan if there's overlap between cond_local_set and new_live_at_end.
671 (mark_set_1): Set bits either in cond_local_set or local_set, as
673 * basic-block.h (struct basic_block_def): New field cond_local_set.
674 (propagate_block, init_propagate_block_info): Update prototypes.
676 Mon Nov 27 17:29:44 2000 kaz Kojima <kkojima@rr.iij4u.or.jp>
678 * gcc/config/sh/sh.md (udivsi3_i4, udivsi3_i4_single): Clobber
681 2000-11-27 Richard Earnshaw <rearnsha@arm.com>
683 * arm.c (select_dominance_cc_mode): Handle new way that combine
684 canonicalizes conditional compares.
685 (arm_select_cc_mode): Likewise.
686 * arm.md: Garbage collect some dead code.
687 (cmp_and, cmp_ior): New patterns.
688 (splitter for conditional move with inverted false): Use cond_exec
689 and handle unordered comparisons.
691 Mon Nov 27 17:22:56 MET 2000 Jan Hubicka <jh@suse.cz>
693 * i386.c (ix86_force_to_memory, ix86_free_from_memory): New.
694 * i386-protos.h (ix86_force_to_memory, ix86_free_from_memory): Declare
695 * i386.md (float?i?f, int/fp operations): Rewrite spliters to use
696 ix86_force_to_memory and ix86_free_from_memory.
698 2000-11-27 Richard Earnshaw <rearnsha@arm.com>
700 * arm.md (arm_adddi3, adddi_sesidi_di, adddi_zesidi_di, arm_addsi3,
701 arm_subsi3_insn, anddi_zesidi_di, arm_andsi3_insn, anddi_notdi_di,
702 anddi_notzesidi_di, anddi_notsesidi_di, arm_iorsi3,
703 one_cmpldi2): Merge with splitters to create define_insn_and_split
704 patterns. Remove redundant splits.
705 (peephole2 for add:SI of invalid immediate): New.
706 (peephole2 for minus:SI of invalid immediate): New.
707 (peephole2 for ior:SI of invalid immediate): New.
708 (peephole for merge of move and compare): Convert ot peephole2.
709 (addsf3, adddf3): Mark as commutative.
711 * arm.md (thumb peephole for merging stack adjustments): Convert to
714 2000-11-27 Bernd Schmidt <bernds@redhat.co.uk>
716 * haifa-sched.c (print_pattern): Prettier output for COND_EXEC.
718 * reload1.c (reload_cse_simplify_set): Pass down mode to cselib_lookup.
719 (reload_cse_simplify_operands): Do nothing about operands where both
720 the operand and the match_operand fail to give us a mode.
721 * simplify-rtx.c (wrap_constant): New function.
722 (entry_and_rtx_equal_p): Except integer constants to come wrapped in a
723 CONST describing the proper mode.
724 (rtx_equal_for_cselib_p): Pass down modes to recursive calls of
726 (cselib_lookup_mem): Call wrap_constant on the rtx that is passed to
727 htab_find_slot_with_hash.
728 (cselib_lookup): Likewise.
730 Based on a patch from Geoff Keating <geoffk@redhat.com>:
731 * loop.c (basic_induction_var): If a REG is set from something
732 that is not a biv, then the REG is not a biv. Even if it is
733 earlier set from something that is a biv.
735 2000-11-27 Alexandre Oliva <aoliva@redhat.com>
737 * configure.in (extra_objs): Enclose extra_headers in quotes.
738 * configure: Rebuilt.
740 2000-11-27 Neil Booth <neilb@earthling.net>
742 * c-lex.c (cb_enter_file, cb_leave_file, cb_rename_file):
743 Combine into the new function cb_change_file.
744 (init_c_lex): Update.
745 * cppfiles.c (stack_include_file): Use _cpp_do_file_change.
746 (cpp_syshdr_flags): Delete.
747 * cpphash.h (_cpp_do_file_change): New prototype.
748 Move struct cpp_buffer here from...
749 * cpplib.h (struct cpp_buffer): ... here.
750 (enum cpp_fc_reason, struct cpp_file_loc,
751 struct_cpp_file_change, change_file): New.
752 (enter_file, leave_file, rename_file, cpp_syshdr_flags): Delete.
753 * cpplib.c (do_line): Update for new cb_change_file callback.
754 (_cpp_do_file_change): New function.
755 (_cpp_pop_buffer): Update to use it.
756 * cppmain.c (move_printer): Delete.
757 (main): Set up single callback cb_change_file.
758 (cb_enter_file, cb_leave_file, cb_rename_file): Delete.
759 (cb_change_file): New.
760 * fix-header.c (cur_file, cb_change_file): New.
761 (recognized_function, read_scan_file): Update.
762 * scan-decls.c (scan_decls): Update.
763 * scan.h (recognized_function): Update prototype.
765 2000-11-26 Mark Mitchell <mark@codesourcery.com>
767 * tree.h (mark_tree_hashtable): New function.
768 * tree.c (mark_tree_hashtable_entry): New function.
769 (mark_tree_hashtable): Likewise.
771 2000-11-27 Michael Meissner <meissner@redhat.com>
773 * d30v-protos.h (srelational_si_operator): Correctly spell
775 (urelational_si_operator): Ditto.
776 (relational_si_operator): Ditto.
777 (d30v_expand_prologue): Add prototype.
778 (d30v_expand_epilogue): Ditto.
780 * d30v.h (OPTIMIZATION_OPTIONS): Undo November 22nd change.
782 * d30v.md (movcccc_*): Delete now unused patterns.
783 (64 bit comparison splitters): Rewrite to use COND_EXEC instead of
785 (define_cond_exec): Use 'b' to select branch flags.
787 2000-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
789 * builtins.c (expand_builtin_strncmp, expand_builtin_strncpy): New
791 (expand_builtin): Handle BUILT_IN_STRNCPY and BUILT_IN_STRNCMP.
793 * builtins.def (BUILT_IN_STRNCPY, BUILT_IN_STRNCMP): New entries.
795 * c-common.c (c_common_nodes_and_builtins): Declare builtin
798 * extend.texi (strncmp, strncpy): Document new builtins.
800 2000-11-26 Mark Mitchell <mark@codesourcery.com>
802 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Use a hash table, not
803 a list, to keep track of the sections.
804 * tm.texi (ASM_OUTPUT_SECTION_NAME): Document the fact that the
805 parameter provided will always be a canonical string.
807 2000-11-26 Neil Booth <neilb@earthling.net>
809 * cppmacro.c (cpp_scan_buffer_nooutput): Only scan the
812 2000-11-26 Joseph S. Myers <jsm28@cam.ac.uk>
814 * makefile.vms: Remove EGCS references.
816 2000-11-26 Ulrich Drepper <drepper@redhat.com>
818 * dwarf2out.c (output_file_names): New function. Compute minimal
819 combination of directory and file name table and emit them.
820 (output_line_info): Remove code to emit directory and file name
821 table and call output_file_names instead.
822 (file_info_cmp): Helper function to sort directory names.
824 2000-11-26 Neil Booth <neilb@earthling.net>
826 * cpplib.h (struct cpp_reader): Remove lang_asm.
827 (struct cpp_options): Remove c89. New members lang,
829 * cppexp.c (parse_number): Use them.
830 * cpphash.h (VALID_SIGN): Use them.
831 * cppinit.c (set_lang, cpp_start_read): Update.
832 * cpplex.c (parse_string, _cpp_lex_token): Update.
833 * cpplib.c (_cpp_handle_directive): Update.
834 * cppmacro.c (parse_args): Update.
835 * cppmain.c (scan_buffer): Update.
837 Sun Nov 26 10:02:37 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
839 * fold-const.c (fold, case CONVERT_EXPR): Always return tree of
842 2000-11-26 Neil Booth <neilb@earthling.net>
844 * Makefile.in: Remove MAYBE_CPPLIB and maybe_cpplib.
845 * c-decl.c: Remove parse_in declaration.
846 * c-lang.c: Similarly.
847 * c-lex.c: Similarly.
848 * c-parse.in: Similarly.
849 * c-pragma.c: Similarly.
850 * configure.in: Similarly.
851 * cp/Make-lang.in: Similarly.
852 * cp/spew.c: Similarly.
853 * cp/decl2.c: Remove check for lang-c++ option.
854 * cp/lang-specs.h: Remove -lang-c++ from cc1plus command line.
855 * cp/lex.c (lang_init_options): With cpp_reader_init, default to C++.
856 * c-lex.h: Add declaration of parse_in.
857 * cppinit.c: Call set_lang after allocating pfile->pending.
858 * configure: Regenerate.
860 2000-11-25 Zack Weinberg <zack@wolery.stanford.edu>
862 * combine.c (try_combine): Remove redundant test.
864 2000-11-25 Richard Henderson <rth@redhat.com>
866 * c-common.h (DECL_C_HARD_REGISTER): New.
867 * c-decl.c (finish_decl): Set it for asm register variables.
868 * c-semantics.c (emit_local_var): Test it when instantiating one.
870 2000-11-25 Richard Henderson <rth@redhat.com>
872 * c-decl.c (c_expand_body): Use DECL_SOURCE_LINE rather than
873 lineno for the start of the function.
875 2000-11-25 Richard Henderson <rth@redhat.com>
877 * dwarf2out.c (file_table, file_table_allocated): Remove.
878 (file_table_allocated): Remove.
879 (struct file_table): New.
880 (decl_file_table, line_file_table): New.
881 (print_dwarf_line_table): Use them.
882 (size_of_line_prolog): Likewise.
883 (output_line_info): Likewise.
884 (add_src_coords_attributes): Likewise.
885 (gen_subprogram_die): Likewise.
886 (gen_variable_die): Likewise.
887 (dwarf2out_add_library_unit_info): Likewise.
888 (dwarf2out_line): Likewise.
889 (lookup_filename): Take a struct file_table argument.
890 (init_file_table): New.
891 (dwarf2out_init): Use it.
893 2000-11-25 Joseph S. Myers <jsm28@cam.ac.uk>
895 * invoke.texi: Update sequence points references.
897 2000-11-25 Neil Booth <neilb@earthling.net>
899 * c-common.c: Remove USE_CPPLIB conditional inclusions.
900 * c-common.h: Similarly.
901 * c-decl.c: Similarly.
902 * c-lang.c: Similarly.
903 * c-lex.c: Similarly.
904 * c-parse.in: Similarly.
905 * c-pragma.c: Similarly.
906 * c-pragma.h: Similarly.
908 * toplev.c: Similarly.
909 * cp/cp-tree.h: Similarly.
910 * cp/decl2.c: Similarly.
911 * cp/lang-specs.h: Similarly.
912 * cp/lex.c: Similarly.
913 * cp/lex.h: Similarly.
914 * cp/spew.c: Similarly.
915 * java/lang-options.h: Similarly.
916 * objc/lang-specs.h: Similarly.
917 * objc/objc-act.c: Similarly.
919 * configure.in: Remove configure option.
920 * config.in: Regenerate.
921 * configure: Regenerate.
923 2000-11-25 Richard Henderson <rth@redhat.com>
925 * haifa-sched.c (sched_analyze_1, sched_analyze_2, sched_analyze):
926 Revert 2000-11-22 change.
928 2000-11-25 Bernd Schmidt <bernds@redhat.co.uk>
930 * config/i386/i386.h (FIXED_REGS): Make the three flags registers
933 2000-11-25 Philipp Thomas <pthomas@suse.de>
934 * configure.in (ALL_LINGUAS): Remove en_GB and add sv.
935 * configure: Rebuilt.
937 2000-11-25 Jakub Jelinek <jakub@redhat.com>
939 * config/sparc/sparc.md (muldi3_v8plus): Remove H constraint.
940 Handle CONST_INT as second argument.
941 * config/sparc/sparc.c (set_extends): Remove first argument.
942 Properly handle AND, CONST_INT and CONST_DOUBLE, handle IOR, XOR and
944 (sparc_check_64): Abort if first argument is not REG.
945 If it is DImode REG, look at the lower register of the register
948 * config/sparc/sparc.c (load_pic_register, restore_regs,
949 output_return, sparc_v8plus_shift, sparc_function_profiler,
950 sparc_function_block_profiler, sparc_block_profiler): Fix output
953 2000-11-25 Alexandre Oliva <aoliva@redhat.com>
955 * config/sh/sh.h (TARGET_NONE): New.
956 (TARGET_SWITCHES): For all variant-selecting switch, use
957 TARGET_NONE to reset all other variant-selecting switch. Added
958 empty strings to avoid warnings.
959 (TARGET_DEFAULT): Set to SH1_BIT.
961 * Makefile.in ($(INTL_TARGETS)): Added $(CONFIG_H) for
964 * gcc/config/sh/sh.md (sibcalli, sibcalli_pcrel): New insns.
965 (sibcall_pcrel): New insn_and_split.
966 (sibcall, sibcall_value, sibcall_epilogue): New expands.
968 * config/sh/sh.md (GOTaddr2picreg, symGOT2reg, symGOTOFF2reg,
969 symPLT_label2reg, call, call_value): Don't set
970 current_function_uses_pic_offset_table.
971 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Don't mark
972 PIC_OFFSET_TABLE_REGNUM as call_used, so that calc_live_regs
973 takes it into account.
974 (FINALIZE_PIC): Delete, useless.
975 (LEGITIMATE_CONSTANT_P): Delete, unused.
976 * config/sh/sh.c (sh_expand_prologue): Don't use
977 current_function_uses_pic_offset_table. Don't special-case
978 PIC_OFFSET_TABLE_REGNUM. Initialize it if it's ever live and
980 (sh_expand_epilogue, initial_elimination_offset): Don't
981 special case PIC_OFFSET_TABLE_REGNUM.
983 2000-11-25 Alexandre Oliva <aoliva@redhat.com>, NIIBE Yutaka <gniibe@m17n.org>
985 * config/sh/sh-protos.h (symbol_ref_operand): Declare.
986 * config/sh/sh.md (UNSPEC_CALLER): New constant.
987 (calli_pcrel, call_valuei_pcrel): Use PIC_REG.
988 (call_pcrel, call_value_pcrel): New insn_and_splits.
989 (call, call_value): Use them.
990 (call_site): New expand.
991 (sym_label2reg, symPLT_label2reg): Adjust to hold call_sites.
992 * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA) [UNSPEC_CALLER]:
993 Output call_site label.
994 (PREDICATE_CODES): Added symbol_ref_operand.
995 * config/sh/sh.c (symbol_ref_operand): Define.
996 * emit-rtl.c (try_split): Propagate CALL_INSN_FUNCTION_USAGE
997 to CALL_INSNs in the split sequence.
999 2000-11-24 Nick Clifton <nickc@redhat.com>
1001 * config.gcc (v850-*-*): Define c_target_objs and
1004 * config/v850/t-v850: Define how to build v850-c.o
1006 * config/v850/v850.h (struct data_area_stack_element): Move
1007 definition here from v850.c.
1009 * config/v850v850.c: Include gcc.h to avoid compile time
1011 (push_data_area): Move to v850-c.c.
1012 (pop_data_area): Move to v850-c.c.
1013 (mark_current_function_as_interrupt): Move to v850-c.c.
1014 (GHS_default_section_names): Allow to be exported.
1015 (GHS_current_section_names): Allow to be exported.
1016 (data_area_stack_elements): Allow to be exported.
1017 (ghs_pragma_section): Move to v850-c.c.
1018 (ghs_pragma_interrupt): Move to v850-c.c.
1019 (ghs_pragma_starttda): Move to v850-c.c.
1020 (ghs_pragma_startsda): Move to v850-c.c.
1021 (ghs_pragma_startzda): Move to v850-c.c.
1022 (ghs_pragma_endtda): Move to v850-c.c.
1023 (ghs_pragma_endsda): Move to v850-c.c.
1024 (ghs_pragma_endzda): Move to v850-c.c.
1026 * config/v850/v850-c.c: New file: Contains v850 specific
1027 pragma parsing functions.
1029 2000-11-24 Nick Clifton <nickc@redhat.com>
1031 * config.gcc (extra_objs): Remove duplicate description.
1032 (c_target_objs): New variable. Contains target specific
1033 object files for the gcc C compiler only.
1034 (cxx_target_objs): New variable. Contains target specific
1035 object files for the gxx C++ compiler only.
1037 * configure.in (c_target_objs): Substitute in the makefile.
1038 (cxx_target_objs): Substitute in the makefile.
1039 * configure: Regenerate.
1041 * Makefile.in (C_TARGET_OBJS): Define and initialise from
1043 (CXX_TARGET_OBJS): Define and initialise from
1045 (C_AND_OBJC_OBJS): Include C_TARGET_OBJS.
1047 * cp/Make-lang.in (CXX_C_OBJS): Include CXX_TARGET_OBJS).
1049 * tm.texi (REGISTER_TARGET_PRAGMAS): Add paragraph explaining
1050 about how the use of the 'c_lex' function requires the use of
1051 the target specific, language specific object files feature of
1052 the configuration mechanism.
1054 Fri Nov 24 18:50:58 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1056 * gcc.c (process_command): Use F_OK, not R_OK.
1058 2000-11-24 Arno J. Klaassen <arno@heho.snv.jussieu.fr>
1060 * flow.c (print_rtl_and_abort): Remove ANSIism.
1062 Fri Nov 24 19:54:36 2000 Alexandre Oliva <aoliva@redhat.com>
1064 * config/sh/sh.h (GENERAL_REGISTER_P,
1065 GENERAL_OR_AP_REGISTER_P, FP_REGISTER_P, XD_REGISTER_P,
1066 FP_OR_XD_REGISTER_P, FP_ANY_REGISTER_P): New macros. Use them
1068 (SPECIAL_REG): Renamed to SPECIAL_REGISTER_P.
1069 * config/sh/sh.c: Use new macros.
1070 * config/sh/sh.md: Likewise.
1072 Fri Nov 24 19:46:16 2000 Alexandre Oliva <aoliva@redhat.com>
1074 * config/sh/sh.md: Clobber MACH_REG and MACL_REG in SImode,
1075 instead of just MACH_REG in DImode. Always refer to FPSCR_REG
1078 Fri Nov 24 22:37:41 2000 Denis Chertykov <denisc@overta.ru>
1080 * config/avr/avr.c (out_tsthi,out_tstsi): Test simplification bug
1082 (machine_dependent_reorg): Wrong optimization based on
1083 NOTICE_UPDATE_CC removed.
1085 Fri Nov 24 19:48:09 2000 J"orn Rennecke <amylaar@redhat.com>
1087 * jump.c (delete_computation): Re-instate deletion of feeding insn.
1088 (delete_insn): Look for REG_LABEL notes.
1089 (redirect_tablejump): Delete feeding insns.
1091 2000-11-24 Bernd Schmidt <bernds@redhat.co.uk>
1093 * config/i386/i386.md (call_pop_0, call_pop_1, call_value_pop_0,
1094 call_value_pop_1): Make sure operand numbers are contiguous.
1096 * fold-const.c (fold_range_test): Avoid crash if LHS or RHS is null.
1098 * reload1.c (conflicts_with_override): New function.
1099 (emit_input_reload_insns): Use it to tighten test for validity
1100 of substituting into output of previous insn.
1102 * haifa-sched.c (struct ready_list): New.
1103 (ready_lastpos, ready_add, ready_remove_first, ready_sort): New static
1105 (schedule_insn): Replace args READY and N_READY with a pointer to a
1106 ready_list; return void. Use the new functions to access the ready
1107 list. All callers changed.
1108 (queue_to_ready, debug_ready_list): Likewise.
1109 (schedule_block): Initialize a ready_list structure. Use new
1110 functions to access it.
1111 (max_priority): Remove unused variable.
1112 (schedule_insn): Don't set it.
1114 * c-common.c (verify_tree): Don't recurse into CONSTRUCTORs.
1116 * combine.c (cant_combine_insn_p): New function.
1117 (try_combine): Use it.
1119 * Makefile.in (c-common.o): Depend on $(OBSTACK_H).
1120 * c-common.c (c-obstack.c): Include "obstack.h".
1121 (struct reverse_tree): Delete.
1122 (reverse_list, reverse_max_depth): Delete.
1123 (build_reverse_tree, common_ancestor, modify_ok): Delete functions.
1124 (struct tlist, struct tlist_cache): New.
1125 (tlist_obstack, tlist_firstobj, warned_ids, save_expr_cache): New.
1126 (add_tlist, merge_tlist, verify_tree, warning_candidate_p,
1127 warn_for_collisions, warn_for_collisions_1, new_tlist): New
1129 (verify_sequence_points): Rewritten.
1130 * fold-const.c (fold): Don't lose possibly important sequence
1131 points when removing one arm of TRUTH_ORIF_EXPRs or TRUTH_ANDIF_EXPRs.
1133 2000-11-24 Richard Sandiford <rsandifo@redhat.com>
1135 * gcc/cse.c (cse_insn): Removed conversion of REG_EQUIV to REG_EQUAL
1136 when reversing a register-to-register copy. Reversal now disabled
1137 when the previous instruction has a REG_EQUIV.
1139 2000-11-24 Nathan Sidwell <nathan@codesourcery.com>
1141 * c-parse.in (unary_expr): Move VA_ARG from here ...
1142 (primary): ... to here.
1144 2000-11-23 Graham Stott <grahams@redhat.com>
1146 * expr.c (store_constructor): If a field is non addressable and
1147 the target is a MEM use MEM_ALIAS_SET otherwise use get_alias_set.
1149 2000-11-23 Bernd Schmidt <bernds@redhat.co.uk>
1151 * flow.c (print_rtl_and_abort): New function.
1152 (verify_wide_reg, verify_local_live_at_start): Try to dump more
1153 information before aborting.
1155 2000-11-23 Alexandre Oliva <aoliva@redhat.com>
1157 * emit-rtl.c (gen_lowpart_common): Use word 0 if register mode
1158 is narrower than requested mode.
1159 (gen_highpart): Abort if register mode is narrower than
1162 2000-11-23 Graham Stott <grahams@redhat.com>
1164 * cse.c (cse_insn): Initialise all regcost variables.
1165 Fix a typo add missing '='.
1166 Only compare costs if there is a replacement insn.
1168 Thu Nov 23 04:33:33 2000 Alexandre Oliva <aoliva@redhat.com>
1170 * final.c (output_addr_const) [LABEL_REF]: Simplify.
1171 [MINUS]: Enclose non-CONST_INTs in parentheses.
1172 [default]: Try OUTPUT_ADDR_CONST_EXTRA.
1173 * tm.texi (OUTPUT_ADDR_CONST_EXTRA): Document it.
1174 * varasm.c (decode_rtx_const) [CONST]: If it's not something
1175 PLUS or MINUS a CONST_INT, use the whole CONST with offset 0
1176 instead of abort()ing.
1177 * sh.c (output_pic_addr_const): Removed. Fixed all callers.
1178 * sh.h (OUTPUT_ADDR_CONST_EXTRA): New. Handle the UNSPECs
1179 formerly handled in output_pic_addr_const.
1180 * sh.md (sym_label2reg, symPLT_label2reg): Enclose UNSPEC
1181 operands of MINUS in CONSTs so that decode_rtx_const() will
1184 Thu Nov 23 04:10:30 2000 Alexandre Oliva <aoliva@redhat.com>
1186 * config/sh/sh.md (mova_const): New pattern.
1187 (GOTaddr2picreg): Use it.
1188 * config/sh/sh.c (broken_move): Match it.
1189 (mova_p): Don't match it.
1190 (machine_dependent_reorg): Adjust it.
1192 Thu Nov 23 02:09:09 2000 Alexandre Oliva <aoliva@redhat.com>
1194 * config/sh/sh.h (FIRST_GENERAL_REG, LAST_GENERAL_REG): New.
1195 Moved most register-number #defines...
1196 * config/sh/sh.md (define_constants): ... here. Use macros to
1197 refer to registers and unspecs.
1198 * config/sh/sh.c: Likewise.
1200 Thu Nov 23 01:01:32 2000 J"orn Rennecke <amylaar@redhat.com>
1202 * Makefile.in (HOST_CFLAGS): Add -DGENERATOR_FILE.
1203 (rtl.o, print-rtl.o, bitmap.o, obstack.o): Build with -DGENERATOR_FILE.
1204 (alloca.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
1205 (splay-tree.o, hash.o): Likewise.
1207 (rtl.o, print-rtl.o): Depend on $(GCONFIG_H) instead of $(CONFIG_H).
1208 (bitmap.o, obstack.o, vfprintf.o, ggc-none.o, errors.o): Likewise.
1209 (hashtab.o): Likewise.
1210 (gcov.o): Depend on $(CONFIG_H).
1211 * configure.in: #include insn-codes.h in tm.h.
1213 2000-11-22 Nick Clifton <nickc@redhat.com>
1215 * config/arm/arm.c (arm_encode_call_attribute): Make 'newstr' a
1216 const char * to avoid a compile time warning.
1218 * config/arm/arm.md (define_constants): Define symbolic names for
1219 the link register, last integer register and the fake CC register.
1220 Update patterns to use these symbolic names.
1222 2000-11-22 Neil Booth <neilb@earthling.net>
1224 * cpplex.c (trigraph_ok): Ensure we don't warn twice.
1225 * cpplib.h (struct cpp_buffer): New member last_Wtrigraphs.
1227 2000-11-22 Richard Henderson <rth@redhat.com>
1229 * haifa-sched.c (sched_analyze_1): Don't special-case calls
1230 for clobbering registers.
1231 (sched_analyze_2): Likewise.
1232 (sched_analyze): Zap reg_last_uses and reg_last_sets after calls.
1234 2000-11-22 Chris Demetriou <cgd@sibyte.com>
1235 Neil Booth <neilb@earthling.net>
1237 * gcc.c (validate_switches): Validate multiple switches named
1238 in '|' (or) expressions in specs.
1239 (handle_braces): If more than 1 alternative in a '|' spec
1240 matches, call do_spec1 just once.
1242 2000-11-22 Michael Meissner <meissner@redhat.com>
1244 * d30v.h (TARGET_SWITCHES): Add documentation strings.
1245 (TARGET_OPTIONS): Ditto.
1246 (OPTIMIZATION_OPTIONS): Temporarily turn off -frename-registers if
1249 Wed Nov 22 06:40:56 2000 Jeffrey A Law (law@cygnus.com)
1251 * pa.c (hppa_encode_label): Account for addition of encoding
1252 character when allocating persistent space for the new label
1255 2000-11-22 Zack Weinberg <zack@wolery.stanford.edu>
1257 * Makefile.in, config.gcc, configure.in: Expunge remaining
1258 traces of facility for running MD files through C preprocessor.
1260 2000-11-22 Joseph S. Myers <jsm28@cam.ac.uk>
1262 * gcov.texi: Add magic comments for texi2pod.pl.
1263 * Makefile.in: Add rules to generate and install gcov.1.
1264 * gcov.1: New (generated) file.
1266 2000-11-21 Richard Henderson <rth@redhat.com>
1268 * regrename.c (scan_rtx_reg): Terminate the chain rather than
1269 abort on mark_read with NO_REGS.
1271 2000-11-21 Mike Stump <mrs@wrs.com>
1273 * fixinc/fixtests.c (TEST_FOR_FIX_PROC_HEAD): Fix to allow
1274 compilation with older compilers, such as /bin/cc on SunOS.
1275 * fixinc/fixfixes.c (FIX_PROC_HEAD): Ditto.
1277 2000-11-21 Richard Henderson <rth@redhat.com>
1279 * varasm.c (record_constant): Pad the constructed
1280 constant_descriptor appropriately.
1282 Wed Nov 22 00:52:55 2000 J"orn Rennecke <amylaar@redhat.com>
1284 * rtl.h (traverse_md_constants): Declare.
1285 (struct md_constant): Define.
1286 * Makefile.in (HOST_RTL): Add hashtab.o .
1287 (OBJS): Add hashtab.o .
1288 (hashtab.o): New rule.
1289 (rtl.o): Depends on HASHTAB_H.
1290 * rtl.c (hashtab.h): #include.
1291 (md_constants): New static variable.
1292 (def_hash, def_name_eq_p, read_constants): New static functions.
1293 (traverse_md_constants): New function.
1294 (read_name): Do constant expansion.
1295 (read_rtx): Recognize define_constants.
1296 * gencodes.c (print_md_constant): New function.
1297 (main): Emit #defines for all constant definitions encountered.
1298 * md.texi (Constant Definitions): New node.
1299 * gensupport.c (xcalloc): New function.
1301 2000-11-21 Richard Henderson <rth@redhat.com>
1303 * config/alpha/alpha.c (alpha_split_tfmode_frobsign): New.
1304 * config/alpha/alpha-protos.h: Declare it.
1305 * config/alpha/alpha.md (abstf_internal): Use it.
1306 (negtf_internal): Likewise.
1307 (andnotdi3): Unstar the name.
1308 (movtf_internal): Add o/G alternative.
1310 2000-11-21 Zack Weinberg <zack@wolery.stanford.edu>
1312 * stringpool.c (stringpool_statistics): Also report number and
1313 percentage of entries which are identifiers.
1315 2000-11-21 Diego Novillo <dnovillo@redhat.com>
1317 * gcse.c (hoist_expr_reaches_here_p): Do not mark expr_bb as
1318 visited before visiting it.
1320 2000-11-21 Nick Clifton <nickc@redhat.com>
1322 * config/arm/arm.h: Accept TARGET_CPU_arm9tdmi,
1323 TARGET_CPU_strongarm110 and TARGET_SPU_strongarm1100.
1325 * config.gcc: Accept --with-cpu=arm9 and --with-cpu=arm9tdmi.
1327 2000-11-21 Richard Henderson <rth@redhat.com>
1329 * c-common.c (c_unsafe_for_reeval): New function.
1330 (add_c_tree_codes): Register it.
1331 * c-common.h: Declare it.
1332 * tree.c (lang_unsafe_for_reeval): New hook.
1333 (unsafe_for_reeval): Call it.
1334 * tree.h: Declare it.
1336 2000-11-21 Richard Henderson <rth@redhat.com>
1338 * config/i386/i386.c (i386_simplify_dwarf_addr): Simplify @GOT
1341 2000-11-21 Neil Booth <neilb@earthling.net>
1343 * do_includes: Revert to using cpp_read_file.
1345 2000-11-21 Bernd Schmidt <bernds@redhat.co.uk>
1347 * loop.c (consec_sets_giv): If the reg we're examining is anything
1348 but UNKNOWN_INDUCT, do nothing.
1349 Reset the reg's type to UNKNOWN_INDUCT before returning.
1351 Mostly from Vladimir Makarov (vmakarov@redhat.com)
1352 * ia64.md (attr itanium_class): Define insn types as described in
1354 (all insn patterns): Use itanium_class, not type attributes.
1355 Occasionally split alternatives as necessary.
1356 (attr type): Compute from new attr itanium_class.
1358 2000-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1360 * tradcpp.c (output_line_command): Mark system headers as such in
1363 2000-11-21 Jakub Jelinek <jakub@redhat.com>
1365 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Sparc has .file/.loc
1366 support in as as well.
1367 * configure: Regenerate.
1369 2000-11-20 Richard Henderson <rth@redhat.com>
1371 * c-lex.c (orig_filename): New variable.
1372 (init_c_lex): Set it. Move call to cpp_start_read ...
1373 (yyparse): ... here. New function.
1374 * c-parse.in (yyparse_1): Rename the parser entry point.
1375 * c-tree.h: Declare it.
1377 2000-11-21 Jakub Jelinek <jakub@redhat.com>
1379 * expr.c (do_compare_and_jump): If op0 was replaced by promoted
1380 integer constant, use type of op1 for comparison.
1382 2000-11-20 Stan Shebs <shebs@apple.com>
1384 * config/rs6000/xm-darwin.h: New file, Darwin host definitions.
1385 * config/rs6000/x-darwin: New file, Darwin host fragment.
1386 * config.gcc (powerpc-*-darwin*): New host.
1387 * system.h (HAVE_DESIGNATED_INITIALIZERS): Allow this to be
1388 overridden by a config file.
1390 2000-11-20 Neil Booth <neilb@earthling.net>
1392 * cppmacro.c (paste_tokens): Rename from paste_payloads.
1393 Change token type after pasting spellings.
1394 (paste_all_tokens): Use it.
1395 * gcc.dg/cpp/paste2.c: Update test.
1396 * objc/execute/paste.m: New test.
1398 2000-11-20 Richard Henderson <rth@redhat.com>
1400 * dwarf.h (FMT_CODE): Adjust argument order; fix mapping to
1401 dwarf_subscr_data_formats bits.
1402 * dwarfout.c (simple_type_size_in_bits): Handle a type with
1403 no computed size as size zero.
1404 (field_byte_offset): Likewise.
1405 (subscript_data_attribute): Handle a range with no upper bound.
1407 2000-11-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1409 * gansidecl.h (const): Check __STDC__ before undef'ing `const'.
1411 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
1413 * c-typeck.c (build_conditional_expr): When merging type
1414 qualifiers for conditional expressions between a pointer and a
1415 pointer to a void type, merge the qualifiers on the target types
1416 rather than the pointer type. Remove obsolete conditioned out
1419 2000-11-20 Neil Booth <neilb@earthling.net>
1421 * c-lang.c (lang_init_options): Update call to
1423 * cppmain.c (main): Similarly.
1424 * fix-header.c (read_scan_file): Similarly.
1425 * cp/lex.c (lang_init_options): Similarly.
1426 * objc/objc-act.c (lang_init_options): Similarly.
1427 * cppexp.c (parse_number): Only warn for unextended C89.
1428 * cppinit.c (set_lang): New function.
1429 (cpp_reader_init): Take a LANG argument and pass it to set_lang.
1430 (COMMAND_LINE_OPTIONS): New option std=c++98.
1431 (cpp_handle_option): Use set_lang.
1432 * cpplex.c (_cpp_lex_token): Warn pedantically if not C99.
1433 * cppib.h (enum_c_lang): New enumeration. Update comments.
1435 2000-11-20 Will Cohen <wcohen@redhat.com>
1437 * calls.c (expand_call): Clear target only when target is in
1438 hard register and current_function_check_memory_usage is set.
1440 2000-11-20 Bernd Schmidt <bernds@redhat.co.uk>
1442 * toplev.c (rest_of_compilation): Run optimize_mode_switching even
1444 * sh.c (emit_sf_insn, emit_df_insn): Just call emit_insn.
1446 2000-11-19 Richard Henderson <rth@redhat.com>
1448 * crtstuff.c (force_to_data): Use array size 1 not 0.
1450 * dwarf2out.c (simple_type_size_in_bits): Handle a type with
1451 no computed size as size zero.
1452 (field_byte_offset): Likewise.
1454 2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk>
1456 * config.gcc: Fix another typo.
1458 2000-11-19 Richard Henderson <rth@redhat.com>
1460 * c-decl.c (grokdeclarator): Support flexible array members.
1461 Use open-ended ranges for these and zero-length arrays.
1462 * c-typeck.c (push_init_level): Validate the context of
1463 initialization of a zero-length array.
1464 * tree.c (int_fits_type_p): Be prepared for missing bounds.
1465 * varasm.c (array_size_for_constructor): New.
1466 (output_constructor): Use it for arrays of unspecified length.
1467 * extend.texi (Zero Length): Mention C99 flexible array members.
1468 Document initialization in a top-level struct as valid.
1470 2000-11-19 Joseph S. Myers <jsm28@cam.ac.uk>
1472 * config.gcc, invoke.texi: Fix errors in spelling of "deprecated".
1474 * alias.c (mems_in_disjoint_alias_sets_p): Do use alias sets in
1475 stdarg and varargs functions.
1477 2000-11-19 Zack Weinberg <zack@wolery.stanford.edu>
1479 * gcc.c (process_command): Define 'j' variable when
1480 MODIFY_TARGET_NAME is defined.
1482 2000-11-19 Richard Henderson <rth@redhat.com>
1484 * stor-layout.c (variable_size): Only put SAVE_EXPRs on pending_sizes.
1486 2000-11-19 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1488 * rs6000/rs6000.c (rs6000_encode_section_info): Fix string length
1489 calculation and allocation.
1491 2000-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1493 * builtins.c (c_getstr): Constify variable.
1494 * gmon-sol2.c (_mcleanup): Comment out #endif labels.
1495 * conflict.c (const_conflict_graph_arc): New typedef.
1496 (arc_hash, arc_eq): Avoid needlessly casting away const-ness.
1497 * cppmacro.c (builtin_macro): Likewise.
1498 * dwarf2out.c (output_comp_unit): Constify variable.
1499 * fix-header.c (v_fatal): Add ATTRIBUTE_PRINTF.
1500 * protoize.c (IS_SAME_PATH_CHAR): Use TOUPPER, not toupper.
1501 * ssa.c (ssa_rename_from_hash_function): Avoid needlessly casting
1503 * tradcpp.c (rescan, do_line, macroexpand, macarg): Use
1504 ISALNUM/ISDIGIT/ISPRINT, not isalnum/isdigit/isprint.
1505 * varasm.c (const_str_htab_hash, const_str_htab_eq,
1506 compare_constant_1, record_constant_1): Constify.
1508 2000-11-18 Richard Henderson <rth@redhat.com>
1510 * c-decl.c (grokdeclarator): Special case the creation of an
1511 index for a zero-length array.
1512 * tree.c (build_index_type): Revert Oct 20 change.
1514 2000-11-18 Marek Michalkiewicz <marekm@linux.org.pl>
1516 * config/avr/avr-protos.h (avr_output_addr_vec_elt): Prototype.
1517 * config/avr/avr.c (jump_tables_size): New variable.
1518 (function_prologue): Initialize it as 0.
1519 (function_epilogue): Add it to function_size.
1520 (avr_output_addr_vec_elt): New function. Count words in jump
1521 tables in jump_tables_size. Move code ...
1522 * config/avr/avr.h (ASM_OUTPUT_ADDR_VEC_ELT): ... from here.
1523 Call avr_output_addr_vec_elt instead.
1524 * config/avr/avr.md (tablejump): Remove disabled define_expand.
1526 2000-11-18 Mark Mitchell <mark@codesourcery.com>
1528 * configure.in: Make --enable-new-gxx-abi the default.
1529 * configure: Likewise.
1531 2000-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1533 * Makefile.in (tradcpp.o, tradcif.o): Depend on tradcpp.h.
1535 * tradcif.y: Include tradcpp.h. Constify. Make functions static.
1536 Move extern function declarations to tradcpp.h.
1538 * tradcpp.c: Likewise.
1540 * tradcpp.h: New file.
1542 2000-11-18 Joseph S. Myers <jsm28@cam.ac.uk>
1544 * c-decl.c (check_for_loop_decls): New function.
1545 * c-parse.in (for_init_stmt): New.
1546 (select_or_iter_stmt): Use for_init_stmt.
1547 * c-tree.h (check_for_loop_decls): New declaration.
1549 2000-11-18 Neil Booth <neilb@earthling.net>
1551 * cppinit.c: Update comments.
1552 (cpp_reader_init): Make -imacro and -include use the standard
1553 #include "" search path.
1554 (do_includes): New function.
1556 2000-11-18 Ben Elliston <bje@redhat.com>
1558 * config/sh/crt1.asm (start_l): Move PC-relative move instruction
1559 out of a branch delay slot.
1561 2000-11-17 Richard Henderson <rth@redhat.com>
1563 * config/alpha/elf.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
1564 (ASM_SPEC): Disable and enable .mdebug based on -gstabs.
1565 (ASM_FILE_START): Only write out ecoff .file directive if
1566 emitting mdebug debugging.
1568 2000-11-17 Richard Henderson <rth@redhat.com>
1570 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): New. Detect
1571 whether as accepts .file/.loc and produces dwarf2 line info.
1572 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Default on if
1573 the assembler supports it.
1574 * config.in, configure: Regenerate.
1576 2000-11-17 Richard Henderson <rth@redhat.com>
1578 * fixinc/mkfixinc.sh: Don't disable fixincludes for any linux*.
1580 2000-11-17 Jim Wilson <wilson@redhat.com>
1582 * config/ia64/ia64.c (emit_insn_group_barriers, case CALL_INSN):
1583 Don't clear need_barrier is next_insn is a CALL_INSN, or has
1584 instruction type B or UNKNOWN.
1586 2000-11-17 Neil Booth <neilb@earthling.net>
1588 * cpperror.c (print_file_and_line): Don't display line number if 0.
1590 2000-11-17 Zack Weinberg <zack@wolery.stanford.edu>
1592 * ggc.h: Delete ggc_add_string_root and ggc_mark_string. Add
1593 digit_vector and digit_string.
1594 * stringpool.c (digit_vector): New.
1595 (ggc_alloc_string): Use digit_string.
1597 * stmt.c (digit_strings): Delete.
1598 (init_stmt): Do not initialize digit_strings.
1599 (expand_asm_operands): Use ggc.h's digit_string macro.
1600 * toplev.c (mark_file_stack): Delete.
1601 (compile_file): Don't call init_tree_codes.
1602 (main): No need to make the file stack a GC root.
1603 * tree.c (init_tree_codes): Delete.
1604 * tree.h (init_tree_codes): Delete.
1606 * c-lex.c: Don't include ggc.h.
1607 (mark_splay_tree_node, mark_splay_tree): Delete.
1608 (init_c_lex): No need to ggc_strdup string constant. Don't add
1609 file_info_tree to GGC roots.
1610 (cb_enter_file, cb_rename_file): No need to ggc_strdup
1613 * Makefile.in (c-lex.o): No longer depends on $(GGC_H).
1615 * dbxout.c (dbxout_init),
1616 dwarf2out.c (dwarf2out_line),
1617 ggc-common.c (ggc_mark_rtx_children, ggc_mark_trees),
1618 varasm.c (mark_const_hash_entry, mark_pool_constant, init_varasm_once),
1619 xcoffout.c (xcoffout_source_file),
1620 i386.c (load_pic_register):
1621 Delete call(s) to ggc_add_string_root and/or ggc_mark_string.
1623 * except.c (create_rethrow_ref),
1624 profile.c (init_edge_profiler),
1625 toplev.c (compile_file),
1626 varasm.c (named_section, assemble_static_space,
1627 assemble_trampoline_template, output_constant_def, force_const_mem),
1628 i386.c (load_pic_register),
1629 ia64.c (ia64_encode_section_info),
1630 rs6000.c (rs6000_emit_load_toc_table, create_TOC_reference,
1631 rs6000_emit_prologue, rs6000_emit_epilogue),
1632 rs6000.md (load_toc_aix_si, load_toc_aix_di):
1633 Change ggc_alloc_string (var, -1) to ggc_strdup (var).
1635 * profile.c (output_func_start_profiler),
1637 i386.c (load_pic_register): No need to ggc_strdup string constant.
1639 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
1641 * Makefile.in (config.status): Depend on config.gcc.
1642 * configure.in <for machine in $build $host $target>: Move
1643 contents of loop into config.gcc, removing autoconf quoting.
1644 Fix changequote bug for alpha*-*-vxworks*.
1645 * configure: Regenerate.
1648 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
1650 * c-parse.in (if_prefix): Find the filename and line number at
1651 $-2 and $-1 respectively.
1652 * diagnostic.c (error_recursion): Add missing newline, use
1653 fputs, translate string.
1655 2000-11-16 Zack Weinberg <zack@wolery.stanford.edu>
1657 * stringpool.c: New file.
1658 * ggc-common.c (ggc_mark_string_ptr, ggc_add_string_root): Delete.
1659 (ggc_alloc_string): Now in stringpool.o.
1660 * ggc-page.c, ggc-simple.c: Do not define or allocate empty_string.
1661 * ggc.h: Delete prototype of ggc_add_string_root. #define
1662 ggc_add_string_root and ggc_mark_string to nothing. Prototype
1663 init_stringpool and stringpool_statistics.
1664 (ggc_alloc_string): Returns a const char *.
1665 * tree.c (hash_table, do_identifier_warnings): Delete.
1666 (init_obstacks): Don't initialize the identifier hash table.
1667 (get_identifier, maybe_get_identifier, start_identifier_warnings,
1668 set_identifier_size): Now in stringpool.c.
1669 * tree.h (struct tree_string): Constify pointer field.
1670 (approx_sqrt): Prototype.
1672 * Makefile.in (stringpool.o): Add rule, mention in OBJS.
1674 * toplev.c (approx_sqrt): New function.
1675 (compile_file): Call stringpool_statistics if mem_report is on.
1676 (main): Call init_stringpool.
1678 * builtins.c (c_strlen), c-decl.c (finish_decl), c-lex.c
1679 (process_directive), c-typeck.c (constructor_asmspec, struct
1680 initializer_stack, start_init), except.c (create_rethrow_ref),
1681 stmt.c (digit_strings), toplev.c (decode_f_option), tree.c
1682 (built_in_filename), varasm,c (in_named_name,
1683 assemble_static_space, struct constant_descriptor, struct
1684 deferred_string, struct pool_constant, force_const_mem),
1685 i386.c (pic_label_name, global_offset_table_name), rs6000.c
1686 (rs6000_emit_prologue, rs6000_emit_epilogue) : Constify a char *.
1688 * c-common.c (combine_strings): Combine strings in scratch
1689 buffer, then pass to build_string.
1690 * optabs.c (init_libfuncs), profile.c (init_edge_profiler,
1691 output_func_start_profiler), stmt.c (init_stmt), alpha.c
1692 (alpha_need_linkage), arm.c (arm_encode_call_attribute),
1693 i386.c (load_pic_register), ia64.c (ia64_encode_section_info),
1694 rs6000.c (rs6000_encode_section_info): Create string in
1695 scratch buffer, then pass to ggc_alloc_string.
1697 * stmt.c (expand_asm_operands): If we must adjust the
1698 constraint strings, do so by creating a new one, not by
1699 modifying the old one in place. Constify some char *s.
1700 * config/pa/pa.c (hppa_encode_label): Drop unnecessary second
1701 argument. Create string in scratch buffer, then pass to
1703 * config/pa/pa-protos.h: Update prototype.
1704 * config/pa/elf.h, config/pa/pa.h, config/pa/som.h:
1705 hppa_encode_label takes only one argument.
1707 2000-11-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1709 * mcore.c (mcore_expand_prolog): Call xmalloc/xrealloc, not
1712 * cpplib.c (glue_header_name): Likewise.
1714 * fixincl.c (run_compiles, start_fixer): Likewise.
1716 * fixlib.c (load_file_data): Likewise.
1718 * mkdeps.c (munge): Likewise.
1720 2000-11-17 Hans-Peter Nilsson <hp@axis.com>
1722 * defaults.h [EH_FRAME_SECTION_ASM_OP] (EH_FRAME_SECTION): Remove
1723 trailing ';'. Fix formatting.
1725 2000-11-16 Jim Wilson <wilson@redhat.com>
1727 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT, MASK_INLINE_DIV_THR):
1728 Shift masks left by one to avoid conflict.
1730 * config/ia64/ia64.c (ia64_encode_section_info): Disallow decls with
1733 2000-11-16 Nick Clifton <nickc@redhat.com>
1735 * config/arm/arm.c (output_arm_prologue): Note nested functions.
1736 (arm_expand_prologue): For nested functions preserve the
1737 static chain register during stack frame creation.
1739 * config/arm/arm.h (STATIC_CHAIN_REGNUM): Change to 12.
1740 (ARM_INITIAL_FRAME_ELIMINATION_OFFSET): For a nested function
1741 with a stack frame there is a 4 byte gap between the arg
1742 pointer and the hard frame pointer (used to preserve the
1743 static chain register during stack frame creation).
1745 2000-11-16 DJ Delorie <dj@redhat.com>
1747 * rtl.c (read_rtx): Provide suitable names for unnamed
1748 define_insn and define_insn_and_split patterns, based on file
1751 2000-11-15 Neil Booth <neilb@earthling.net>
1753 * cpplib.c (start_directive, end_directive): New functions.
1754 (_cpp_handle_directive, run_directive): Use them.
1755 (_cpp_handle_directive): Don't -Wtraditional on indented
1757 (_cpp_push_buffer): Don't re-clear was_skipping.
1758 * cpplib.h (struct cpp_reader): New member la_saved.
1759 * cppmacro.c (cpp_get_token): Don't interpret _Pragma in
1762 gcc.dg/cpp/_Pragma1.c: Update.
1763 gcc.dg/cpp/_Pragma2.c: New test.
1765 2000-11-15 Mark Mitchell <mark@codesourcery.com>
1767 * toplev.c (wrapup_global_declarations): Don't write out
1768 artificial static variables that aren't needed.
1770 2000-11-15 Bernd Schmidt <bernds@redhat.co.uk>
1772 * ia64.c (struct group): New structure.
1773 (last_group): New static array.
1774 (group_idx): New static variable.
1775 (emit_group_barrier_after, errata_find_address_regs, errata_emit_nops):
1776 New static functions.
1777 (emit_insn_group_barriers): Initialize and keep track of group_idx
1779 Call errata_emit_nops if TARGET_B_STEP or TARGET_A_STEP.
1780 Replace all calls to emit_insn_after that emit a group barrier to use
1781 emit_group_barrier_after.
1782 * ia64.h (MASK_B_STEP): New.
1783 (other MASK_XXX macros): Renumbered.
1784 (TARGET_B_STEP): New.
1785 (TARGET_SWITCHES): Add -mb-step.
1787 2000-11-15 Fred Fish <fnf@be.com>
1789 * fixinc/mkfixinc.sh (fixincludes): Add *-*-beos* to list of
1790 machines for which fixincludes is not needed.
1791 * config/i386/x-beos (STMP_FIXPROTO): Don't run fixproto.
1793 2000-11-15 Jason Merrill <jason@redhat.com>
1795 * diagnostic.c (finish_abort): New fn.
1796 (fancy_abort, error_recursion): Use it.
1797 * toplev.c (crash_signal): Likewise.
1798 * diagnostic.h: Declare it.
1800 2000-11-13 Andrew Haley <aph@redhat.com>
1802 * tree.c (build_type_no_quals): New function.
1803 * tree.h (build_type_no_quals): Declare.
1804 * c-common.c (c_get_alias_set): When considering type
1805 compatibility for pointer types, ignore cv-qualifiers anywhere in
1808 2000-11-15 Graham Stott <grahams@redhat.com>
1810 * regrename.c (scan_rtx_rtx): Skip to the next chain on
1811 encountering a terminated chain.
1813 2000-11-14 Mark Mitchell <mark@codesourcery.com>
1815 * configure.in: Move check for V3 above check for C++ header-file
1817 * configure: Regenerated.
1819 2000-11-14 DJ Delorie <dj@redhat.com>
1821 * config/v850/v850.c: Remove obstacks.
1823 Tue Nov 14 21:54:31 2000 Marek Michalkiewicz <marekm@linux.org.pl> & Denis Chertykov <denisc@overta.ru>
1825 * config/avr/avr.c (avr_case_values_threshold): New.
1826 (avr_override_options): Set it depending on options, make it large
1827 when not optimizing to work around "unable to generate reloads".
1829 * config/avr/avr.h (TARGET_SWITCHES): Add -mno-tablejump option.
1830 (EXTRA_SECTION_FUNCTIONS): Make the .progmem.gcc_sw_table section
1831 executable if not AVR_MEGA. Make sure jump tables are word-aligned.
1832 (JUMP_TABLES_IN_TEXT_SECTION): Define as 0, not 1.
1833 (ASM_OUTPUT_ADDR_VEC_ELT): Optimize, use "rjmp" if not AVR_MEGA.
1834 (avr_case_values_threshold): Declare as extern int.
1835 (CASE_VALUES_THRESHOLD): Define as avr_case_values_threshold.
1837 * config/avr/avr.md (tablejump): Removed.
1838 (*tablejump_rjmp): New for jump tables made from "rjmp" instructions.
1839 (*tablejump_lib, *tablejump_enh, *tablejump): Change to expect the
1840 index in the table, not multiplied by 2.
1841 (casesi): Change to match the above insns. Always enable.
1843 * config/avr/libgcc.S (__tablejump__): Rename to __tablejump2__.
1844 Change to expect the word address of the table, multiply it by 2
1845 here and not in the caller. Change "adiw" to faster "inc".
1847 2000-11-14 Neil Booth <neilb@earthling.net>
1849 * cppexp.c (parse_defined): Call cpp_get_token not
1852 * cpplex.c (cpp_output_line): Similarly.
1853 * cpplib.c (glue_header_name, do_line, do_ident,
1854 parse_answer, parse_assertion): Similarly.
1855 (_cpp_handle_diretive): Don't save to lookaheads
1856 when processing directives.
1857 * cppmacro.c (parse_arg, expand_arg): Call cpp_get_token not
1859 (funlike_invocation_p): Don't save to lookaheads
1860 when pre-expanding arguments.
1861 (_cpp_get_token): Delete.
1862 (cpp_get_token): Merge contents of _cpp_get_token.
1864 2000-11-14 Jakub Jelinek <jakub@redhat.com>
1866 * builtins.c (expand_builtin_setjmp): Set
1867 current_function_calls_setjmp.
1868 (expand_builtin_longjmp): Set current_function_calls_longjmp.
1870 * config/sparc/sparc.md (builtin_setjmp_setup): New expand.
1871 (do_builtin_setjmp_setup): New insn.
1873 Tue Nov 14 12:34:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1875 * tree.c (get_unwidened): Use host_integerp and tree_low_cst.
1876 (int_fits_type_p): For variable bounds, call force_fit_type.
1878 2000-11-14 Jakub Jelinek <jakub@redhat.com>
1880 * varasm.c (struct deferred_string): New structure.
1881 (const_str_htab): New variable.
1882 (STRHASH): New macro.
1883 (mark_const_str_htab_1, mark_const_str_htab, const_str_htab_hash,
1884 constr_str_htab_eq, const_str_htab_del): New functions.
1885 (output_constant_def): Add DEFER argument, defer string
1886 constants until mark_constant_pool time if requested.
1887 (mark_constant_pool): Walk the insn chain even if const_str_htab is
1889 (mark_constants): If a SYMBOL_REF for deferred string is found,
1890 output it and remove from hash table.
1891 (output_addressed_constants): Set DEFER to 0 in call to
1892 output_constant_def.
1893 * rtl.h (STRING_POOL_ADDRESS_P): Define.
1894 (output_constant_def): Adjust prototype.
1895 * expr.c (expand_expr): Set DEFER to 1 in call to output_constant_def.
1897 2000-11-14 Chandrakala Chavva <cchavva@redhat.com>
1899 * optabs.c (expand_complex_ab):: Use overflow-trapping optabs for
1900 signed types if flag_trapv.
1902 2000-11-14 Zack Weinberg <zack@wolery.stanford.edu>
1904 * tradcpp.c, tradcif.y: Update FSF mailing address, delete
1907 2000-11-14 Joseph S. Myers <jsm28@cam.ac.uk>
1909 * c-common.h (CTI_C_SIZE_TYPE): Update comment.
1911 2000-11-14 Jakub Jelinek <jakub@redhat.com>
1913 * varasm.c (struct varasm_status): Change x_const_rtx_sym_hash_table
1914 to array of pool_constnat pointers.
1915 (struct pool_constant): Add next_sym and label members.
1916 (struct pool_sym): Remove.
1917 (init_varasm_status): Change pool_sym into pool_constant.
1918 (mark_pool_constant): Mark pc->label string as well.
1919 (mark_pool_sym_hash_table): Remove.
1920 (mark_varasm_status): Remove it from caller as well.
1921 (free_varasm_status): Don't free pool_sym structures.
1922 (force_const_mem): Don't allocate pool_sym structure, instead
1923 fill pool->label and chain it into rtx_sym hash table.
1924 (find_pool_constant, mark_constant_pool): Use pool_constant instead
1927 2000-11-14 Jakub Jelinek <jakub@redhat.com>
1929 * reload1.c (emit_input_reload_insns): Honour forcing of constants
1930 into memory by PREFERRED_RELOAD_CLASS NO_REGS.
1932 2000-11-14 Michael Matz <matzmich@cs.tu-berlin.de>
1934 * dominance.c: New file.
1935 * Makefile.in (OBJS): Add dominance.o.
1937 * flow.c (compute_flow_dominators): Remove.
1938 (compute_immediate_dominators): Remove.
1939 (compute_immediate_postdominators): Remove.
1940 * basic-block.h: Remove their prototypes.
1941 (calculate_dominance_info): Add prototype.
1943 * dce.c (eliminate_dead_code): Change calls to above functions.
1944 Don't compute dominators but only immediate dominators.
1945 * flow.c (flow_loops_find): Change callers.
1946 * gcse.c (compute_code_hoist_data): Likewise.
1947 * haifa-sched.c (schedule_insns): Likewise.
1948 * ifcvt.c (if_convert): Likewise.
1949 * ssa.c (convert_to_ssa): Likewise, and only compute immediate
1952 2000-11-14 Richard Henderson <rth@redhat.com>
1954 * stmt.c (warn_if_unused_value): Don't warn if the expression
1957 * c-typeck.c (c_sizeof): Fold result to c_size_type_node.
1958 (c_sizeof_nowarn, c_alignof, c_alignof_expr): Likewise.
1960 2000-11-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1962 * loop.c (basic_induction_var): Revert accidental checkin.
1964 2000-11-13 Hans-Peter Nilsson <hp@axis.com>
1966 * c-lex.c (cb_leave_file): Harmonize conditions and order of
1967 statements to those of process_directive for (action == act_pop).
1969 * collect2.c (main): Pass on -B options from COLLECT_GCC_OPTIONS.
1971 * local-alloc.c (equiv_init_movable_p): References to CC0 are not
1974 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
1976 * c-parse.in (stmts_and_decls): Deprecate use of label at end of
1979 2000-11-13 Neil Booth <neilb@earthling.net>
1981 * cpplex.c (_cpp_lex_token): CPP_COMMENT and true CPP_EOF
1982 cases return without MI check.
1983 * cpplib.c (do_diagnostic): Take boolean of whether to
1984 print the directive name.
1985 (do_error, do_warning): Update.
1986 (do_pragma_dependency): Use it.
1987 * cpplib.h (VARARGS_FIRST): Delete.
1988 (struct cpp_token): Delete integer.
1989 * cppmacro.c (enter_macro_context): Move disabled check
1991 (_cpp_get_token): Simplify into a single loop.
1993 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
1995 * configure.in: Use 'test -f' not '[ -e'.
1996 * configure: Regenerated.
1998 2000-11-13 DJ Delorie <dj@redhat.com>
2000 * config/mn10300/mn10300.md (store_movm): Note which registers are
2001 really used or clobbered.
2003 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2005 * c-parse.in (ends_in_label): Remove from %union and %type.
2006 (decls, stmts, lineno_stmt_or_labels, xstmts,
2007 lineno_stmt_or_label, stmt_or_label): Remove.
2008 (stmts_and_decls, lineno_stmt_decl_or_labels_ending_stmt,
2009 lineno_stmt_decl_or_labels_ending_decl,
2010 lineno_stmt_decl_or_labels_ending_label,
2011 lineno_stmt_decl_or_labels_ending_error,
2012 lineno_stmt_decl_or_labels, compstmt_contents_nonempty,
2013 lineno_stmt, lineno_label): New.
2014 (compstmt_nostart): Use compstmt_contents_nonempty.
2016 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2018 * c-common.c (boolean_increment): New function.
2019 * c-common.h (enum c_tree_index): Add CTI_C_BOOL_TYPE,
2020 CTI_C_BOOL_TRUE and CTI_C_BOOL_FALSE.
2021 (c_bool_type_node, c_bool_true_node, c_bool_false_node): Define.
2022 (boolean_increment): Declare.
2023 * c-convert.c (convert): Allow for BOOLEAN_TYPE.
2024 * c-decl.c (init_decl_processing): Create boolean nodes.
2025 (finish_struct): Allow for _Bool bitfields.
2026 * c-parse.in (reswords): Add _Bool.
2027 (rid_to_yy): Allow for RID_BOOL.
2028 * c-typeck.c (default_conversion): Make booleans promote to int.
2029 (convert_arguments, build_unary_op, build_modify_expr,
2030 convert_for_assignment): Allow for booleans.
2031 * ginclude/stdbool.h: Make conforming to C99.
2033 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2035 * c-parse.in (c99_block_start, c99_block_end,
2036 c99_block_lineno_labeled_stmt): New.
2037 (simple_if, do_stmt_start): Use c99_block_lineno_labeled_stmt.
2038 (stmt): Split off selection and iteration statements into...
2039 (select_or_iter_stmt): New. Use c99_block_lineno_labeled_stmt.
2041 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2043 * invoke.texi (-Wtrigraphs, -fdump-translation-unit, -save-temps,
2046 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
2048 * arm.md (mulsidi3adddi, umulsidi3adddi): Revert previous change.
2049 Rewrite to avoid use of match_dup. Don't try to tie registers that
2050 are not in the same mode.
2052 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2054 * invoke.texi: Update lists of languages and suffixes supported.
2056 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2058 * configure.in: Take toplevel configure arguments from the
2059 environment to create configargs.h and substitute
2060 gcc_config_arguments, taking account of any existing configargs.h
2062 * configure: Regenerate.
2063 * gccbug.in: Include toplevel configure arguments in gccbug.
2065 2000-11-13 Richard Earnshaw <rearnsha@arm.com>
2067 * varasm.c (struct constant_descriptor): Put CONTENTS inside a
2068 union to make it well-aligned. Update all uses.
2070 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2072 * c-parse.in (initelt): Give appropriate pedantic warnings,
2073 depending on flag_isoc99, for non-ISO syntax and for C99 syntax
2075 (designator): If pedantic, pedwarn for a designator specifying a
2077 * c-typeck.c (set_init_index, set_init_label): Don't pedwarn for
2079 * extend.texi: Document the C99 syntax as the preferred syntax,
2080 and the pre-2.5 syntax as obsolete. Mention use of designator
2081 lists for nested subobjects.
2083 2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk>
2085 * diagnostic.c (vbuild_message_string, output_do_printf, vnotice):
2086 Add ATTRIBUTE_PRINTF.
2087 * tradcpp.c (v_message, warning, error, fatal, error_with_line):
2088 Add ATTRIBUTE_PRINTF*.
2090 2000-11-12 Mark Mitchell <mark@codesourcery.com>
2092 * function.c (assign_parms): When calling put_var_into_stack, make
2093 sure that there are no hidden pending sequences.
2095 2000-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2097 * builtins.c (expand_builtin): Handle BUILT_IN_INDEX and
2098 BUILT_IN_RINDEX. Add missing checks for BUILT_IN_STRCHR and
2101 * builtins.def (BUILT_IN_INDEX, BUILT_IN_RINDEX): New entries.
2103 * c-common.c (c_common_nodes_and_builtins): Declare index and
2104 rindex when nonansi builtins are allowed.
2106 * extend.texi (index, rindex): Document new builtins.
2108 2000-11-12 Mark Mitchell <mark@codesourcery.com>
2110 * configure.in: Turn on libstdc++ V3 by default.
2111 * configure: Regenerated.
2113 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on Solaris.
2115 2000-11-12 Jakub Jelinek <jakub@redhat.com>
2117 * reload1.c (set_label_offsets): Go inside of PARALLELs.
2119 2000-11-12 Joseph S. Myers <jsm28@cam.ac.uk>
2121 * invoke.texi: Clean up option summary.
2123 2000-11-12 Nick Clifton <nickc@redhat.com>
2125 * config/mcore/mcore.c: Fix comment formating, and adjust sequence
2126 of #include headers.
2128 2000-11-12 Marc Espie <espie@openbsd.org>
2130 * configure.in: Fix filds test.
2133 2000-11-12 Mark Mitchell <mark@codesourcery.com>
2135 * jump.c (delete_computation): Don't assume that just becuase an
2136 instruction sets a register, that register is dead.
2138 2000-11-12 Neil Booth <neilb@earthling.net>
2140 * cppexp.c: Don't worry about pfile->skipping.
2141 * cpplib.c (struct if_stack): Make was_skipping unsigned char.
2142 (cpp_handle_directive): Save pfile->skipping in struct cpp_buffer
2143 for handled directives.
2144 (skip_rest_of_line): Use _cpp_lex_token after popping contexts
2145 and releasing lookaheads.
2146 (do_ifdef, do_ifndef, do_if): Use buffer->was_skipping.
2147 (do_else, do_elif, push_conditional): Update logic.
2148 (do_endif): Set buffer->was_skipping rather than pfile->skipping.
2149 (unwind_if_stack): Inline into cpp_pop_buffer.
2150 (cpp_push_buffer): Clear ifs->was_skipping for cpp_handle_directive.
2151 * cpplex.c (_cpp_lex_token): Clear skipping on EOF. Handle
2152 multiple-include optimisation.
2153 * cpplib.h (struct cpp_buffer): New member was_skipping.
2154 * cppmacro.c (_cpp_get_token): Loop whilst pfile->skipping. This
2155 works because skipping == 0 in directives.
2156 (_cpp_release_lookahead): Renamed from release_lookahead.
2157 (cpp_get_token): No need to check skipping as _cpp_get_token does
2158 this for us. No need to handle MI optimisation.
2160 Sat Nov 11 21:14:02 2000 Mark P Mitchell <mark@codesourcery.com>
2162 * fixinc/inclhack.def (sunos_matherr_decl): Bypass matherr
2163 declarations that use `__MATH_EXCEPTION' in their prototypes, too.
2164 * fixinc/fixincl.x: Regenerated.
2166 2000-11-11 Bruce Korb <bkorb@gnu.org>
2168 * fixinc/inclhack.def (avoid_bool_type): avoid commenting out #endif
2169 (avoid_wchar_t_type): ditto
2170 * fixinc/fixinc.irix: obsoleted
2172 2000-11-11 Zack Weinberg <zack@wolery.stanford.edu>
2174 * configure.in: Don't add $outputs to all_lang_makefiles. Add
2175 $srcdir/$s/Makefile.in if it exists.
2176 * configure: Regenerate.
2178 Sat Nov 11 18:41:20 2000 Mark P Mitchell <mark@codesourcery.com>
2180 * fixinc/mkfixinc.sh: Use the ordinary fixincludes on IRIX.
2182 2000-11-11 Jason Merrill <jason@redhat.com>
2184 * function.c (assign_parms): If TREE_ADDRESSABLE is set, try to
2185 give the parm a register and then call put_var_into_stack.
2186 * stmt.c (expand_decl): Likewise.
2188 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
2190 * gcc.texi: Adjust wording.
2192 2000-11-11 Mark Mitchell <mark@codesourcery.com>
2194 * fixinc/inclhack.def (avoid_wchar_t_type): New fix.
2195 * fininc/fixincl.x: Regenerated.
2197 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
2199 * invoke.texi: Correct spelling of -foptimize-register-move.
2201 2000-11-11 Neil Booth <neilb@earthling.net>
2203 Remove CPP_PLACEMARKERs.
2205 * cppexp.c (lex): Don't handle CPP_PLACEMARKER.
2206 * cpplex.c (_cpp_lex_token): Rename skip_newlines to next_bol
2207 * cpplib.c (skip_rest_of_line, check_eol, cpp_push_buffer):
2209 * cpplib.h: Remove CPP_PLACEMARKER.
2210 (struct lexer_state): Rename skip_newlines to next_bol.
2211 * cppmacro.c (stringify_arg): Don't handle CPP_PLACEMARKER.
2212 Simplify prev_white handling as a result.
2213 (paste_all_tokens): Don't worry about CPP_PLACEMARKERs.
2214 (parse_arg): Empty arguments are now empty, not CPP_PLACEMARKERs.
2215 (parse_args): Similarly. Update argument count tests.
2216 (enter_macro_context): Return 2 to indicate an empty macro.
2217 (replace_args): Don't bother pre-expanding an empty argument.
2218 Handle placemarkers and ## extension during pre-expansion.
2219 (cpp_get_token): Handle empty macro expansions. Don't worry
2220 about CPP_PLACEMARKERs.
2221 (_cpp_create_definition): Empty macros are now empty.
2222 (cpp_macro_defintion): Don't special case empty macros.
2223 * scan-decls.c: Don't bother with CPP_PLACEMARKERs.
2224 * c-lex.c: Similarly.
2226 2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
2228 * gcc.texi, invoke.texi: Add new section discussing language
2229 standards; link to it where appropriate; refer to ISO C instead of
2232 2000-11-11 Alexandre Oliva <aoliva@redhat.com>
2234 * builtins.c (std_expand_builtin_va_start): Take PARM_BOUNDARY
2237 * config/sh/sh.h (MODES_TIEABLE_P): Don't tie SFmode to other FP
2240 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
2242 * gcc.texi, gcov.texi: Update dates and version numbers.
2244 2000-11-10 Zack Weinberg <zack@wolery.stanford.edu>
2246 * configure.in: Remove AC_PROG_LEX and AC_PROG_YACC. Look for
2247 flex and bison, specifically, first in a unified build and
2248 then installed on the system.
2249 * Makefile.in: Set BISON to @BISON@, FLEX to @FLEX@. Rename
2250 LEXFLAGS to FLEXFLAGS. Adjust ORDINARY_FLAGS_TO_PASS to
2253 (collect2.o, gcc.o, prefix.o, toplev.o, alloca.o, intl.o,
2254 cppdefault.o): Remove pointless sed munging of source file
2257 2000-11-10 Bernd Schmidt <bernds@redhat.co.uk>
2259 * reload.c (find_reloads_address_1, case POST_MODIFY): Use RELOAD_OTHER
2260 for address reloads. Push replacements for REG_INC notes.
2261 (regno_clobbered_p): New arg SETS. Examine SETs if it's nonzero. All
2263 * reload1.c (choose_reload_regs): Registers set in the insn can't be
2264 used for RELOAD_OTHER reloads.
2266 2000-11-10 Mark Mitchell <mark@codesourcery.com>
2268 * c-dump.h: New file.
2270 2000-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2272 * alpha.c (check_float_value): Use memcpy, not bcopy.
2273 * arm.c (output_move_double): Likewise.
2275 * m88k.c (legitimize_operand): Likewise.
2276 * m88k.h (ORDER_REGS_FOR_LOCAL_ALLOC): Likewise.
2277 * m88k.md: Likewise.
2278 * mips.c (override_options): Likewise.
2279 * mips.md: Likewise.
2280 * romp.c (output_fpops): Likewise.
2281 * rs6000.c (rs6000_override_options): Likewise.
2283 * vax.c (check_float_value): Likewise.
2285 * emit-rtl.c (copy_rtx_if_shared, init_emit_once): Likewise.
2286 * expmed.c (synth_mult): Likewise.
2287 * final.c (add_bb_string): Likewise.
2288 * genattr.c (main): Likewise.
2289 * genattrtab.c (attr_string, simplify_cond, copy_rtx_unchanging):
2291 * jump.c (thread_jumps): Likewise.
2292 * prefix.c (save_string): Likewise.
2293 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Likewise.
2294 * regclass.c (init_reg_sets, init_reg_sets_1): Likewise.
2295 * reload1.c (reload, eliminate_regs): Likewise.
2297 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
2299 * gcc.texi (Service): Update to reflect current practice and
2300 location of the GNU service directory.
2302 2000-11-09 Bernd Schmidt <bernds@redhat.co.uk>
2304 * regrename.c (build_def_use): Mark contents of REG_INC notes as
2305 needing replacement.
2307 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Emit
2308 a no-op move if regs are equal.
2309 * toplev.c (rest_of_compilation): Do the noop moves elimination pass
2310 when calling jump after post-reload splitting.
2312 2000-11-09 Jan van Male <jan.vanmale@fenk.wau.nl>
2314 * c-tree.texi: Fix typos.
2315 * extend.texi: Likewise
2316 * gcov.texi: Likewise
2317 * rtl.texi: Likewise
2320 2000-11-09 Hans-Peter Nilsson <hp@axis.com>
2322 * c-lex.c [! NO_IMPLICIT_EXTERN_C] (cb_enter_file): Check
2323 in_system_header and flags[1] before dereferencing flags[2].
2325 2000-11-09 Matthew Hiller <hiller@redhat.com>
2327 * reload1.c (reload_combine): Fixed calculation of
2328 first_index_reg, last_index_reg.
2330 2000-11-09 Mark Mitchell <mark@codesourcery.com>
2332 * c-dump.c (dequeue_and_dump): Dump function bodies.
2334 * Makefile.in (C_AND_OBJC_OBJS): Add c-dump.o.
2335 (c-dump.o): New target.
2336 * c-common.h (flag_dump_translation_unit): New variable.
2337 (C_TYPE_QUALS): New macro.
2338 (strip_array_types): New function.
2339 (DECL_C_BIT_FIELD): New macro.
2340 (SET_DECL_C_BIT_FIELD): Likewise.
2341 (CLEAR_DECL_C_BIT_FIELD): Likewise.
2342 (dump_info_p): New typedef.
2343 (dump_tree_fn): Likewise.
2344 (lang_dump_tree): New variable.
2345 (dump_node_to_file): New function.
2346 * c-common.c (flag_dump_translation_unit): Define it.
2347 (strip_array_types): New function.
2348 * c-decl.c (c_decode_option): Handle -fdump-translation-unit.
2349 * c-lang.c (finish_file): Call dump_node_to_file if
2350 flag_dump_translation_unit.
2351 * c-semantics.c (mark_rtl_for_local_static): Fix typo in comment.
2352 * c-tree.h (DECL_C_BIT_FIELD): Remove declaration.
2353 * c-dump.c: New file.
2355 2000-11-09 Christopher Faylor <cgf@cygnus.com>
2357 * config/i386/cygwin.h: Add mingw startfile prefix.
2359 2000-11-09 Richard Henderson <rth@redhat.com>
2361 * flow.c (invalidate_mems_from_set): Split out from ...
2362 (mark_set_1): ... here.
2363 (try_pre_increment_1): Use it. Use propagate_block_delete_insn
2364 instead of turning insn into a NOTE_INSN_DELETED.
2366 2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk>
2368 * extend.texi, invoke.texi: Move documentation of builtin versions
2369 of C library functions to one place and update.
2371 2000-11-09 Richard Henderson <rth@redhat.com>
2373 * fold-const.c (fold): Compare TYPE_MAIN_VARIANT rather than
2374 the types themselves to discover type equivalence.
2376 2000-11-09 Mike Stump <mrs@wrs.com>
2378 * Makefile.in (distclean): Remove a few extra leftovers.
2380 2000-11-09 Richard Henderson <rth@redhat.com>
2382 * recog.c (validate_replace_rtx_1): Consider subregs when
2383 replacing a register with a constant inside a sign/zero_extend.
2385 * config/alpha/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
2387 2000-11-09 Geoffrey Keating <geoffk@redhat.com>
2389 * c-decl.c (finish_struct): When a structure is completed,
2390 check all its variant types for completeness.
2392 2000-11-09 Neil Booth <neilb@earthling.net>
2394 * cpphash.c: Move cpp_defined here from cpplib.c.
2395 * cpplib.c: Update comments, move cpp_defined to cpphash.c.
2396 * cpplex.c (_cpp_lex_token): Don't leave the lexer at EOL.
2397 * cppmacro.c (cpp_get_token): Update comments, no need now
2398 to catch the CPP_EOF meaning EOL case.
2400 2000-11-08 Geoffrey Keating <geoffk@redhat.com>
2402 * config/sparc/sparc.c (sparc_va_arg): When the required alignment
2403 is more than that provided, copy to a temporary.
2405 2000-11-09 Alexandre Oliva <aoliva@redhat.com>
2407 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Prevent `make' from
2408 interpreting $out as a macro assignment.
2409 * Makefile.in (T_TARGET): New auxiliary macro and target.
2410 (all): Add a target right in the beginning, so that we don't build
2411 T_TARGET by default.
2413 2000-11-09 Graham Stott <grahams@redhat.com>
2415 * config/i386/i386.md (mmx_pinsrw): Output operands in correct
2416 order for -mintel-syntax. Remove comment now that the operand
2417 order has been checked.
2418 (mmx_pextrw): Likewise.
2419 (mmx_pshufw): Likewise.
2421 2000-11-09 Jakub Jelinek <jakub@redhat.com>
2423 * builtins.c (c_strlen): Use TREE_STRING_LENGTH - 1 for max.
2424 (c_getstr): New function.
2425 (expand_builtin_strstr): Do nothing if -fcheck-memory-usage.
2426 If both arguments are constant string, optimize out.
2427 (expand_builtin_strchr, expand_builtin_strrchr): New functions.
2428 (expand_builtin_strpbrk): Use c_getstr, do nothing if
2429 -fcheck-memory-usage.
2430 (expand_builtin_fputs): Likewise.
2431 (expand_builtin_strcmp): Add MODE argument.
2432 Use even if !HAVE_cmpstrsi.
2433 Optimize the case when both arguments are constant strings.
2434 (expand_builtin): Adjust expand_builtin_strcmp caller.
2435 Call expand_builtin_strchr and expand_builtin_strrchr.
2436 * c-common.c (c_common_nodes_and_builtins): Add strchr and strrchr
2438 * builtins.def (BUILT_IN_STRRCHR): Add.
2440 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2442 * fixinc/gnu-regex.c: Rename EGCS LOCAL markers to GCC LOCAL.
2444 2000-11-09 Joseph S. Myers <jsm28@cam.ac.uk>
2446 * calls.c (expand_call, emit_library_call_value_1), collect2.c
2447 (scan_prog_file), config/a29k/a29k.c (print_operand),
2448 config/sparc/sparc.c (order_regs_for_local_alloc): Use memcpy ()
2449 instead of bcopy ().
2450 * real.h: Use memcmp () instead of bcmp ().
2451 * config/m88k/m88k.c (m88k_layout_frame), config/sh/sh.c
2452 (split_branches), config/sparc/sparc.c (ultra_flush_pipeline,
2453 ultrasparc_sched_init, ultrasparc_sched_reorder),
2454 config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Use memset ()
2455 instead of bzero ().
2456 * config/vax/xm-xms.h (FILE_NAME_NONDIRECTORY): Use strrchr ()
2457 instead of rindex ().
2458 * configure.in: Don't check for bzero, bcmp, index or rindex.
2459 * configure, config.in: Regenerate.
2460 * system.h: Don't include declarations for bzero, bcmp, index or
2462 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Don't define
2463 bzero, bcmp, index or rindex.
2465 Wed Nov 8 21:58:20 2000 Christopher Faylor <cgf@cygnus.com>
2467 * config/i386/cygwin.h: Add -no-win32 switch. Separate -mno-cygwin
2468 include and library paths from -mcygwin case. Parameterize some
2469 declarations to avoid warnings. Use standard locations for include and
2472 2000-11-08 Nick Clifton <nickc@redhat.com>
2474 * config/arm/arm.md (mulsidi3adddi): Change output operand
2475 constraint from "=&" to "+&".
2476 (umulsidi3adddi): Change output operand constraint from "=&" to
2479 2000-11-08 Richard Henderson <rth@redhat.com>
2481 * flow.c (init_propagate_block_info): Protect the rtx stored in
2482 mem_set_list from modification by find_auto_inc.
2483 (mark_set_1): Likewise.
2485 2000-11-08 Neil Booth <neilb@earthling.net>
2487 Move directive handling into the lexer itself.
2489 * cpplex.c (_cpp_lex_token): Handle directives directly.
2490 In the case of a directive interrupting a function-like
2491 macro invocation, use extra_char since read_ahead is
2492 used to store the '#'. Return a CPP_EOF in this case.
2493 * cppmacro.c (parse_arg): No need to handle CPP_DHASH any more.
2494 (cpp_get_token): Don't handle directives here.
2495 * cpplib.h: Remove CPP_DHASH token type.
2497 Wed Nov 8 21:53:41 MET 2000 Jan Hubicka <jh@suse.cz>
2499 * regmove.c (combine_stack_adjustments_for_blocks): Recognize pushes
2500 formed using PRE_MODIFY too.
2502 2000-11-08 Mark Mitchell <mark@codesourcery.com>
2504 * c-tree.texi (VAR_DECL): Describe representation of GCC's
2505 extension for placing variables in particular registers.
2507 * c-tree.texi (FUNCTION_TYPE): Clarify TYPE_ARG_TYPES for
2508 unprototyped C functions with no parameters.
2510 2000-11-08 Jakub Jelinek <jakub@redhat.com>
2512 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Cast DELTA to int
2513 before passing to fprintf.
2515 2000-11-08 Jakub Jelinek <jakub@redhat.com>
2517 * function.c (expand_function_start): Cast GET_MODE_SIZE to
2518 HOST_WIDE_INT before negating it.
2520 2000-11-08 Jakub Jelinek <jakub@redhat.com>
2522 * expr.c (expand_expr) [ADDR_EXPR]: Handle when op0 is RETURN_DECL
2523 passed in multiple non-contiguous locations.
2525 2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2527 * README.gnat: Remove file.
2529 2000-11-08 Alexandre Oliva <aoliva@redhat.com>
2531 * mklibgcc.in (EXTRA_MULTILIB_PARTS): Generate multilib parts
2534 2000-11-07 Richard Henderson <rth@redhat.com>
2536 * dwarfout.c (INSN_LABEL_FMT): Remove.
2537 (output_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
2538 (dwarfout_label): Remove.
2539 * dwarfout.h: Remove it's prototype.
2540 * dwarf2out.c (INSN_LABEL_FMT): Remove.
2541 (gen_label_die): Use ASM_GENERATE_INTERNAL_LABEL.
2542 (dwarf2out_label): Remove.
2543 * dwarf2out.h: Remove it's prototype.
2544 * final.c (final_scan_insn): Don't call dwarf[2]out_label.
2546 2000-11-07 Richard Henderson <rth@redhat.com>
2548 * config/ia64/fde-glibc.c (find_fde_for_dso): Do a binary
2549 search on the unwind region section.
2551 * config/ia64/ia64.md (movbi): Add r/r alternative.
2552 (cmovdi_internal_astep): Describe all combinations of register
2553 classes for sources & destinations; remove matching constraints.
2554 (cmovdi_internal): Likewise.
2556 * gcc.c (default_compilers) [@cpp-output]: Add -fpreprocessed.
2558 2000-11-07 Richard Henderson <rth@redhat.com>
2560 * c-lang.c (start_cdtor, finish_cdtor): New functions.
2561 (finish_file): Use them in building constructor/destructor functions.
2563 * config/alpha/alpha.h (HAS_INIT_SECTION, LD_INIT_SWITCH,
2564 LD_FINI_SWITCH): Move ...
2565 * config/alpha/osf.h: ... here.
2566 * config/alpha/alpha-interix.h: Don't undef them.
2568 2000-11-07 Jeffrey Oldham <oldham@oz.codesourcery.com>
2570 * config/mips/t-iris6 (FPBIT): New. Added so that __unorddf2 is
2571 included in libgcc.a.
2573 (dp-bit.c): Likewise.
2574 (fp-bit.c): Likewise.
2576 2000-11-07 Nick Clifton <nickc@redhat.com>
2578 * config/m88k/m88k.h (GLOBAL_ASM_OP): Add missing tab.
2579 (INTERNAL_ASM_OP): Add missing tab.
2581 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
2583 * alias.c (init_alias_analysis), calls.c (expand_call,
2584 emit_library_call_value_1), combine.c (init_reg_last_arrays),
2585 cse.c (new_basic_block), dbxout.c (dbxout_type), diagnostic.c
2586 (init_output_buffer, set_diagnostic_context), dwarf2out.c
2587 (equate_decl_number_to_die, build_abbrev_table), emit-rtl.c
2588 (init_emit_once), fold-const.c (mul_double, div_and_round_double),
2589 function.c (assign_parms), gcse.c (compute_can_copy,
2590 alloc_gcse_mem, alloc_reg_set_mem, record_one_set,
2591 compute_hash_table, compute_set_hash_table,
2592 compute_expr_hash_table), genattrtab.c (optimize_attrs), global.c
2593 (global_alloc, global_conflicts), haifa-sched.c (compute_trg_info,
2594 clear_units, schedule_block), integrate.c (initialize_for_inline,
2595 expand_inline_function), jump.c (thread_jumps), local-alloc.c
2596 (local_alloc), loop.c (combine_movables, count_loop_regs_set,
2597 load_mems_and_recount_loop_regs_set), print-tree.c (debug_tree),
2598 regclass.c (init_reg_sets, init_reg_sets_1, regclass,
2599 record_reg_classes, allocate_reg_info), reload.c
2600 (get_secondary_mem, remove_address_replacements, find_reloads),
2601 reload1.c (reload, set_initial_label_offsets, finish_spills,
2602 reload_as_needed, choose_reload_regs_init,
2603 reload_cse_simplify_operands), reorg.c (dbr_schedule), sbitmap.c
2604 (sbitmap_zero), simplify-rtx.c (simplify_plus_minus), ssa.c
2605 (rename_registers), stmt.c (expand_end_case), unroll.c
2606 (unroll_loop), varray.c (varray_grow), objc/objc-act.c: Use memset
2607 () instead of bzero ().
2609 2000-11-07 Neil Booth <neilb@earthling.net>
2611 * cp/lang-specs.h: Fix -save-temps specs under USE_CPPLIB.
2613 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2615 * c-common.c (combine_strings): Only warn about long strings for C.
2617 Tue Nov 7 19:44:30 2000 J"orn Rennecke <amylaar@redhat.com>
2619 * combine.c (distribute_notes): Fix typo in last change.
2621 2000-11-07 Geoff Keating <geoffk@redhat.com>
2623 * config/rs6000/rs6000.md (movdi_internal32+1): Use
2624 operand_subreg_force rather than gen_rtx_SUBREG.
2625 (movdi_internal32+2): Likewise.
2627 2000-11-07 Philip Blundell <philb@gnu.org>
2629 * configure.in (arm*-*-linuxaout*): Obsolete, deleted.
2630 * config/arm/linux-aout.h: Likewise.
2631 * configure: Regenerate.
2633 2000-11-07 Philipp Thomas <pthomas@suse.de>
2635 * ABOUT-GCC-NLS: Remove the patch for gettext as it has been
2636 accepted my the gettext maintainer.
2638 2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2640 * builtins.c (expand_builtin_strpbrk): New function.
2641 (expand_builtin): Handle BUILT_IN_STRPBRK.
2643 * builtins.def (BUILT_IN_STRPBRK): New entry.
2645 * c-common.c (c_common_nodes_and_builtins): Declare builtin
2648 2000-11-07 David O'Brien <obrien@dragon.nuxi.com>
2650 * config/alpha/freebsd.h: New file -- FreeBSD/alpha architecture file.
2651 * POTFILES.in: Add config/alpha/freebsd.h
2652 * configure.in: Add alpha*-freebsd support.
2653 * configure: Regenerate.
2655 2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
2657 * tree.c (build_common_tree_nodes_2): Make va_list_type_node be a
2658 copy of ptr_type_node rather than ptr_type_node itself.
2660 Tue Nov 7 06:29:24 2000 J"orn Rennecke <amylaar@redhat.com>
2662 * combine.c (recog_for_combine): Allocate uninitialized vector with
2664 * recog.c (apply_change_group): Likewise.
2666 Tue Nov 7 06:24:02 2000 J"orn Rennecke <amylaar@redhat.com>
2668 * flow.c (verify_local_live_at_start): Back out last change.
2669 * combine.c (distribute_notes): When parts of a hard reg are
2670 neither set nor referenced in PLACE, search backwards for a
2671 place to put a REG_UNUSED note; if none found, ask for flow
2674 Mon Nov 6 20:08:13 2000 J"orn Rennecke <amylaar@redhat.com>
2676 * reload1.c (eliminate_regs_in_insn): Allow a set to be a PARALLEL
2677 with (clobber (match_scratch...)).
2679 2000-11-06 Neil Booth <neilb@earthling.net>
2681 * c-lex.c (init_c_lex): If cpp_start_read fails, exit with
2684 2000-11-06 Neil Booth <neilb@earthling.net>
2686 * tradcpp.c (special_symbol): Assign an null string rather
2687 than writing to an unallocated buffer.
2689 2000-11-06 Neil Booth <neilb@earthling.net>
2691 * cpplex.c (_cpp_equiv_tokens): Check arg_no in the
2694 2000-11-06 Neil Booth <neilb@earthling.net>
2696 * c-lex.c (c_lex): Replace tok.val.aux with tok.val.c or
2697 tok.val.arg_no as appropriate.
2698 * cppexp.c (lex): Similarly.
2699 * cpplex.c (_cpp_lex_token, cpp_spell_token, cpp_output_token,
2700 cpp_equiv_tokens, cpp_can_paste, cpp_avoid_paste): Similarly.
2701 * cppmacro.c (stringify_arg, replace_args, lex_expansion_token,
2702 cpp_macro_definition): Similarly.
2703 * cpplib.h (struct cpp_token): Replace aux with c and arg_no.
2705 2000-11-06 Jakub Jelinek <jakub@redhat.com>
2707 * config/sparc/sparc.md (adddi3): If operands[2] is 4096 and
2708 operands[1] is constant, calculate the sum and generate movdi.
2709 (addsi3): Similarly. Use SImode in call to arith_4096_operand.
2710 (subsi3): Use SImode in call to arith_4096_operand.
2712 2000-11-06 Jakub Jelinek <jakub@redhat.com>
2714 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): On sparc64 we need to
2715 adjust %o1, not %o0 if the return type is large structure.
2717 2000-11-06 Jakub Jelinek <jakub@redhat.com>
2719 * config/sparc/sparc.md (smulsi3_highpart_v8plus, ashldi3_v8plus+1,
2720 update_return, flush, flushdi, ffssi2, ffsdi2): Fix output formatting.
2722 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
2724 * expmed.c (expand_divmod): For signed divide by 2, prefer
2725 a branch and fewer shifts if branches are very cheap.
2727 2000-11-05 Joseph S. Myers <jsm28@cam.ac.uk>
2729 * Makefile.in: Remove all targets related to building
2730 distributions and diffs, or INSTALL.
2731 * INSTALL, install1.texi: Remove.
2732 * configure.in: Remove mention of distdir.
2733 * configure: Regenerate.
2734 * objc/Make-lang.in: Remove mention of distdir.
2736 2000-11-04 Neil Booth <neilb@earthling.net>
2738 * cpp.texi: Update for _Pragma.
2740 2000-11-04 Joseph S. Myers <jsm28@cam.ac.uk>
2742 * gcc.texi (Contributing): Update URL for projects web page.
2744 2000-11-04 Neil Booth <neilb@earthling.net>
2746 * cpplex.c (parse_string): Don't allow multiline strings in
2747 #include family directives.
2749 2000-11-04 Neil Booth <neilb@earthling.net>
2751 * cpplib.c (do_line): Only warn pedantically if not reading
2754 2000-11-04 Alexandre Oliva <aoliva@redhat.com>
2756 * calls.c (emit_call_1) [sibcall_pop]: Use n_popped instead of
2759 2000-11-03 Zack Weinberg <zack@wolery.stanford.edu>
2761 * builtins.c (expand_builtin_strlen): Remove unused mode
2763 * gcc.c (process_command): Remove unused variable.
2764 * fold-const.c: Include expr.h.
2765 * recog.c: Include reload.h.
2766 * Makefile.in (recog.o, fold-const.o): Update deps.
2768 2000-11-02 Geoffrey Keating <geoffk@cygnus.com>
2770 * fixinc/gnu-regex.c: Change 'CYGNUS LOCAL' to 'EGCS LOCAL'.
2772 Fri Nov 3 13:41:04 2000 Mark P Mitchell <mark@codesourcery.com>
2774 * config/mips/iris6.h (SUBTARGET_CC1_SPEC): Remove -static
2776 (STARTFILE_SPEC): Likewise.
2777 (LINK_SPEC): Likewise.
2779 2000-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2781 * Makefile.in (fold-const.o): Depend on $(GGC_H), not ggc.h.
2782 (toplev.o): Likewise for $(LOOP_H)/loop.h and $(REGS_H)/regs.h.
2783 (simplify-rtx.o): Likewise for $(GGC_H)/ggc.h.
2785 2000-11-03 Joseph S. Myers <jsm28@cam.ac.uk>
2787 * c-decl.c (duplicate_decls, copy_lang_decl), dwarfout.c
2788 (dwarfout_line), gcc.c (main, save_string), tree.c (init_obstacks,
2789 perm_calloc, get_identifier, maybe_get_identifier,
2790 real_value_from_int_cst, simple_cst_equal), varasm.c
2791 (assemble_name, assemble_real, immed_real_const_1,
2792 compare_constant_1, decode_rtx_const, output_constant_pool): Use
2793 strrchr () instead of rindex (). Use memcmp () instead of bcmp
2794 (). Use memcpy () instead of bcopy (). Use memset () instead of
2797 2000-11-03 Nathan Sidwell <nathan@codesourcery.com>
2799 * cppfiles.c (open_file): If already read, then don't reopen.
2800 Immediately close an empty file.
2802 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
2804 * expr.h (fold_builtin): Move declaration...
2805 * tree.h (fold_builtin): ... here.
2807 Fri Nov 3 05:41:07 2000 J"orn Rennecke <amylaar@redhat.com>
2809 * flow.c (verify_local_live_at_start): Allow hard regs to die.
2811 2000-11-02 Neil Booth <neilb@earthling.net>
2814 * a29k/a29k.h, a29k/unix.h, a29k/vx29k.h,
2815 alpha/alpha-interix.h, alpha/alpha.h, alpha/linux.h,
2816 alpha/openbsd.h, alpha/osf.h, alpha/vms.h, alpha/vxworks.h,
2817 alpha/win-nt.h, arc/arc.h, arm/arm.h, arm/conix-elf.h,
2818 arm/linux-aout.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h,
2819 arm/riscix1-1.h, arm/semiaof.h, arm/unknown-elf-oabi.h, arm/vxarm.h,
2820 c4x/rtems.h, clipper/clix.h, convex/convex.h, d30v/d30v.h,
2821 elxsi/elxsi.h, fr30/fr30.h, h8300/h8300.h, i370/linux.h, i370/mvs.h,
2822 i370/oe.h, i386/386bsd.h, i386/aix386ng.h, i386/beos-elf.h,
2823 i386/bsd386.h, i386/crtdll.h, i386/cygwin.h, i386/dgux.h,
2824 i386/djgpp-rtems.h, i386/djgpp.h, i386/freebsd-aout.h, i386/freebsd.h,
2825 i386/gnu.h, i386/i386-interix.h, i386/i386.h, i386/linux-aout.h,
2826 i386/linux-oldld.h, i386/linux.h, i386/lynx-ng.h, i386/lynx.h,
2827 i386/mach.h, i386/mingw32.h, i386/moss.h, i386/netbsd.h,
2828 i386/netware.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
2829 i386/osfelf.h, i386/osfrose.h, i386/ptx4-i.h, i386/rtems.h,
2830 i386/rtemself.h, i386/sco.h, i386/sco4.h, i386/sco4dbx.h, i386/sco5.h,
2831 i386/scodbx.h, i386/sequent.h, i386/sol2.h, i386/sun.h, i386/sysv3.h,
2832 i386/sysv4.h, i386/uwin.h, i386/vsta.h, i386/vxi386.h, i386/win-nt.h,
2833 i386/win32.h, i860/fx2800.h, i860/i860.h, i860/mach.h, i860/sysv3.h,
2834 i860/sysv4.h, i960/i960.h, i960/rtems.h, i960/vx960-coff.h,
2835 ia64/ia64.h, ia64/linux.h, m32r/m32r.h, m68k/3b1.h, m68k/3b1g.h,
2836 m68k/a-ux.h, m68k/altos3068.h, m68k/amix.h, m68k/apollo68.h,
2837 m68k/crds.h, m68k/ctix.h, m68k/dpx2.h, m68k/hp2bsd.h, m68k/hp320.h,
2838 m68k/hp3bsd.h, m68k/hp3bsd44.h, m68k/isi.h, m68k/linux-aout.h,
2839 m68k/linux.h, m68k/lynx-ng.h, m68k/lynx.h, m68k/m68kemb.h,
2840 m68k/m68kv4.h, m68k/mot3300.h, m68k/netbsd.h, m68k/news.h,
2841 m68k/next.h, m68k/openbsd.h, m68k/pbb.h, m68k/plexus.h, m68k/rtems.h,
2842 m68k/rtemself.h, m68k/sun2.h, m68k/sun3.h, m68k/sun3mach.h,
2843 m68k/tower-as.h, m68k/tower.h, m68k/vxm68k.h, m88k/dgux.h,
2844 m88k/dolph.h, m88k/luna.h, m88k/m88k-aout.h, m88k/m88k-coff.h,
2845 m88k/openbsd.h, m88k/sysv3.h, m88k/sysv4.h, mips/bsd-4.h,
2846 mips/bsd-5.h, mips/dec-bsd.h, mips/dec-osf1.h, mips/gnu.h,
2847 mips/iris3.h, mips/iris5.h, mips/iris6.h, mips/linux.h, mips/mips.h,
2848 mips/netbsd.h, mips/news4.h, mips/news5.h, mips/nws3250v4.h,
2849 mips/openbsd.h, mips/osfrose.h, mips/rtems64.h, mips/sni-svr4.h,
2850 mips/svr3-4.h, mips/svr3-5.h, mips/svr4-4.h, mips/svr4-5.h,
2851 mips/ultrix.h, ns32k/encore.h, ns32k/merlin.h, ns32k/netbsd.h,
2852 ns32k/ns32k.h, ns32k/pc532-mach.h, ns32k/pc532.h, ns32k/sequent.h,
2853 ns32k/tek6000.h, ns32k/tek6100.h, ns32k/tek6200.h, pa/pa-hiux.h,
2854 pa/pa-hpux.h, pa/pa-hpux7.h, pa/pa-linux.h, pa/pa-osf.h,
2855 pa/pa-pro-end.h, pa/pa.h, pa/rtems.h, pj/linux.h, pj/pj.h,
2856 romp/romp.h, rs6000/aix.h, rs6000/aix31.h, rs6000/aix41.h,
2857 rs6000/aix43.h, rs6000/beos.h, rs6000/eabi.h, rs6000/eabisim.h,
2858 rs6000/linux.h, rs6000/lynx.h, rs6000/mach.h, rs6000/rtems.h,
2859 rs6000/sysv4.h, rs6000/vxppc.h, sh/elf.h, sh/linux.h, sh/rtems.h,
2860 sh/rtemself.h, sh/sh.h, sparc/aout.h, sparc/elf.h, sparc/linux-aout.h,
2861 sparc/linux.h, sparc/linux64.h, sparc/lite.h, sparc/litecoff.h,
2862 sparc/liteelf.h, sparc/lynx-ng.h, sparc/lynx.h, sparc/netbsd.h,
2863 sparc/openbsd.h, sparc/pbd.h, sparc/rtems.h, sparc/rtemself.h,
2864 sparc/sol2-sld-64.h, sparc/sol2.h, sparc/sp64-aout.h,
2865 sparc/sp64-elf.h, sparc/sp86x-aout.h, sparc/sp86x-elf.h,
2866 sparc/sparc.h, sparc/sysv4.h, sparc/vxsim.h, sparc/vxsparc.h,
2867 v850/rtems.h, vax/netbsd.h, vax/openbsd.h, vax/ultrix.h, vax/vax.h,
2868 vax/vaxv.h, vax/vms.h, we32k/we32k.h
2870 Replace -A() with -A=, the new assertion syntax.
2872 Thu Nov 2 21:52:35 2000 J"orn Rennecke <amylaar@redhat.com>
2874 * combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 /
2876 In REG_DEAD handling: When handling parts of multi-hard-reg hard
2877 registers, increment the loop counter by the size of the parts;
2878 use recursion to handle individual parts.
2880 2000-11-02 Neil Booth <neilb@earthling.net>
2882 * configure.in: Make integrated CPP the default.
2883 * configure: Regenerate.
2885 Thu Nov 2 19:20:12 2000 J"orn Rennecke <amylaar@redhat.com>
2887 * reload.c (find_equiv_reg): Test all hard registers for membership
2888 in the requested class.
2890 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
2892 * collect2.c (main, write_c_file_stat), gcc.c (translate_options,
2893 process_command, main), gcov.c (open_files, output_data), tlink.c
2894 (frob_extension, scan_linker_output), toplev.c
2895 (file_name_nondirectory): Use strchr () and strrchr () instead of
2896 index () and rindex ().
2898 2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk>
2900 * c-common.c (get_flag_spec, check_format_info_main,
2901 check_format_types): Use strchr () instead of index (). Compare
2902 against error_mark_node instead of comparing the TREE_CODE against
2905 2000-11-02 Zack Weinberg <zackw@Stanford.EDU>
2909 * c-lex.c (init_c_lex): Update cpp_start_read call.
2910 (cb_ident): Update for new callback prototype.
2911 (cb_def_pragma): Update for new cpp_get_token prototype.
2912 (c_lex): Similarly. Use cpp_get_line.
2914 * c-parse.in (finish_parse): Update for new cpp_finish
2917 * cp/lex.c (finish_parse): Similarly.
2919 2000-11-01 Geoff Keating <geoffk@cygnus.com>
2921 * machmode.def: Add V16QImode.
2923 2000-11-01 Richard Henderson <rth@redhat.com>
2925 * dwarf2out.c (loc_descriptor_from_tree): Check for null result
2926 from rtl_for_decl_location.
2927 (add_location_or_const_value_attribute): Likewise.
2929 2000-11-01 Neil Booth <neilb@earthling.net>
2931 * cpplib.c (run_directive): Use correct line number for output
2932 of _Pragma. Remember any in-progress directive.
2934 * gcc.dg/cpp/vararg2.c, gcc.dg/cpp/_Pragm1.c: New tests.
2936 2000-11-01 Richard Henderson <rth@redhat.com>
2938 * stmt.c (expand_start_null_loop): Set continue_label.
2940 2000-11-01 Bernd Schmidt <bernds@redhat.co.uk>
2942 * builtins.c (fold_builtin_constant_p, fold_builtin): New functions.
2943 (expand_builtin_constant_p): Move parts of the code into
2944 fold_builtin_constant_p.
2945 (expand_builtin_strlen): Move parts of the code into fold_builtin.
2946 * expr.h (fold_builtin): Declare.
2947 * fold-const.c (fold): Handle builtin calls.
2949 * c-typeck.c (build_function_call): Call fold on the CALL_EXPR.
2951 2000-11-01 Richard Henderson <rth@redhat.com>
2953 * stmt.c (expand_start_null_loop): New.
2954 (expand_end_null_loop): New.
2955 * c-semantics.c (genrtl_do_stmt): Use them.
2956 * tree.h: Declare them.
2958 2000-11-01 Richard Henderson <rth@redhat.com>
2960 * cppmain.c (scan_buffer): Don't avoid paste for assembly.
2962 2000-11-01 Neil Booth <neilb@earthling.net>
2964 * c-parse.in (_yylex): Remove CPP_BACKSLASH case.
2965 * cp/spew.c: Similarly.
2966 * cpplex.c (_cpp_lex_token): Backslashes are now CPP_OTHER.
2967 * cppmacro.c (stringify_arg): Similarly.
2968 * cpplib.h (CPP_BACKSLASH): Delete.
2970 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2972 * builtins.c (expand_builtin_strstr): New function.
2973 (expand_builtin): Handle BUILT_IN_STRSTR and BUILT_IN_STRCHR.
2975 * builtins.def (BUILT_IN_STRSTR, BUILT_IN_STRCHR): New entries.
2977 * c-common.c (c_common_nodes_and_builtins): Declare builtin strstr
2980 2000-10-31 Richard Henderson <rth@redhat.com>
2982 * config/i386/i386.c (fcmov_comparison_operator): Check for
2983 CCFPmode or CCFPUmode instead of CCmode.
2984 (ix86_expand_fp_movcc): Call ix86_expand_setcc for most
2985 unordered operations as well.
2987 2000-10-31 Richard Henderson <rth@redhat.com>
2989 * c-semantics.c (genrtl_do_stmt): Use integer_zerop instead
2990 of integer_zero_node.
2992 2000-10-31 Richard Henderson <rth@redhat.com>
2994 * c-semantics.c (genrtl_do_stmt): Special case do/while(0).
2996 2000-10-31 Nick Clifton <nickc@redhat.com>
2998 * config/arm/unknown-elf.h (UNIQUE_SECTION_P): Do not allow
2999 -fdata-sections to override the section attribute of a DECL.
3001 2000-10-31 Chris Demetriou <cgd@sibyte.com>
3003 * libgcc2.c (__shtab): Remove __shtab variable.
3004 * libgcc-std.ver (GCC_3.0): Remove __shtab from symbol list.
3005 * Makefile.in (LIB2FUNCS): Remove _shtab from list of library
3008 2000-10-31 Jim Wilson <wilson@redhat.com>
3010 * defaults.h (ASM_OUTPUT_DEBUG_LABEL): New.
3011 * tm.texi (ASM_OUTPUT_DEBUG_LABEL): Document.
3012 * dwarf2out.c (dwarf2out_begin_block): Use ASM_OUTPUT_DEBUG_LABEL
3013 instead of ASM_OUTPUT_INTERNAL_LABEL.
3014 (dwarf2out_end_block, dwarf2out_label): Likewise.
3015 * final.c (final_scan_insn, case NOTE_INSN_DELETED_LABEL): Likewise
3016 * config/ia64/ia64.h (ASM_OUTPUT_DEBUG_LABEL): Define.
3018 2000-10-31 Richard Henderson <rth@redhat.com>
3020 * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr.
3021 (size_of_locs): Set it.
3022 (output_loc_operands): Use it to compute branch displacement.
3023 (int_loc_descriptor): New.
3024 (mem_loc_descriptor): Dereference memory in the proper size.
3025 Use DW_OP_plus_uconst when possible. Use int_loc_descriptor.
3026 (loc_descriptor_from_tree): New.
3027 (rtl_for_decl_location): Break out from ...
3028 (add_location_or_const_value_attribute): ... here.
3029 (add_bound_info): Use loc_descriptor_from_tree.
3031 2000-10-31 Neil Booth <neilb@earthling.net>
3033 * cpp.texi: Update for new command line assertion syntax.
3034 * cpplib.c (cpp_define): Simplify a bit.
3035 (cpp_assert, cpp_unassert): Use handle_assertion.
3036 (handle_assertion): New function; accept new command line
3038 * testsuite/gcc.dg/cpp/assert3.c: New tests.
3040 2000-10-31 Neil Booth <neilb@earthling.net>
3042 * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if
3043 undefined. Remove #ifdef check.
3044 * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h:
3045 Define STDC_0_IN_SYSTEM_HEADERS to 1.
3047 2000-10-31 Jan Hubicka <jh@suse.cz>
3048 Jakub Jelinek <jakub@redhat.com>
3050 * config/i386/i386.h: Clarify CCNOmode description in comment.
3051 (EXTRA_CC_MODES): Remove CCRCmode.
3052 * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode.
3053 (put_condition_code, ix86_match_ccmode): Likewise.
3054 (ix86_cc_mode): Likewise. Fix comment.
3055 (ix86_expand_strlensi_unroll_1): *rc patterns are gone.
3056 * config/i386/i386.md: Add unspec 12 description.
3057 (adddi3 split): Use unspec 12 instead of CCRCmode.
3058 (addsi3_carry_rc): Remove.
3059 (addsi3_cc, addqi3_cc): New patterns.
3060 (addsi_3): Swap operands, match CCZmode.
3061 (addsi_4): Rewritten.
3062 (addsi_5): Renamed from addsi_6.
3064 (addhi_3): Swap operands, match CCZmode.
3065 (addhi_4): Rewritten.
3066 (addhi_5): Renamed from addhi_6.
3068 (addqi_3): Swap operands, match CCZmode.
3069 (addqi_4): Rewritten.
3070 (addqi_5): Renamed from addqi_6. Use =q constraint for clobber.
3071 (subsi3_carry_rc): Removed.
3072 (iorqi_3): Use =q constraint for clobber.
3073 (xorqi_cc_2): Likewise.
3074 (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu.
3075 (x86_movsicc_0_m1_rc): Removed.
3076 (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode.
3078 2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk>
3080 * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment
3081 and decrement of complex types.
3083 2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3085 * builtins.c (expand_builtin_fputs): When deleting NOP calls to
3086 builtin fputs, ensure we still evaluate the stream in case it
3089 2000-10-31 Jakub Jelinek <jakub@redhat.com>
3091 * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0)
3094 Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com>
3096 * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare.
3097 (fp_extended_operand, emit_fpscr_use): Likewise.
3098 * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions.
3099 (fpul_operand): New function.
3100 * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and
3101 fp_extended_operand. Add fpul_operand.
3102 * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands.
3103 (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise.
3104 (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise.
3105 (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise.
3106 (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise.
3107 (divdf3_i): Likewise.
3108 (floatsisf2): Likewise. Use fpul_operand for 'y' operand.
3109 (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise.
3110 (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise.
3111 (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise.
3112 (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise.
3114 2000-10-31 Bernd Schmidt <bernds@redhat.co.uk>
3116 * config/i386/i386.c (ix86_init_builtins): Correct return type
3117 building v4hi_ftype_v4hi_int_int tree node.
3118 (ix86_expand_builtin): Use correct operand numbers 0 and 1.
3119 Copy operand 0 into a Pmode register, don't generate a MEM rtx.
3121 * config/i386/i386.md (sse_movntdi): Use mmx register constraint
3123 (mmx__uavgv8qi3): Correct insn mnemonic.
3124 (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2.
3125 (mmx_punpckhwd): Correct insn mnemonic.
3126 (mmx_punpckhdq): Likewise.
3127 (mmx_punpcklwd): Likewise.
3128 (mmx_punpckldq): Likewise.
3129 (prefetch): Use immediare_operand and 'n' constraint for operand 1.
3130 Renumber case labels to match the _mm_prefetch constants defined in
3133 * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands
3134 if the splitter didn't emit new insns.
3135 Make sure we call cleanup_subreg_operands even when splitting the last
3136 insn in a basic block.
3138 * invoke.texi (Debugging Options): Describe -do.
3139 * toplev.c (enum_dump_file_index): New entry DFI_postreload.
3140 (dump_file): Likewise.
3141 (rest_of_compilation): Split .greg dump into .greg and .postreload.
3143 2000-10-30 Neil Booth <neilb@earthling.net>
3145 * cppfiles.c (stack_include_file): Check for stacked contexts
3147 * cpphash.h (_cpp_do__Pragma): New prototype.
3148 * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table.
3150 * cpplex.c (skip_escaped_newlines): Only process trigraphs and
3151 escaped newlines if !(buffer->from_stage3).
3152 (_cpp_lex_token): Warn about missing newlines iff
3153 !buffer->from_stage3.
3155 * cpplib.c (get__Pragma_string, destringize,
3156 _cpp_do__Pragma): New functions.
3157 (run_directive): Set output_line for _Pragma to avoid line
3158 markers in output. Set from_stage3 and prevent macro expansion
3159 for _Pragma and command-line options. Check buffer exhaustion.
3160 (cpp_push_buffer): Don't check for stacked macro contexts, as
3161 this is perfectly legitimate for _Pragma. Move the check to
3162 stack_include_file instead. Set from_stage3 iff buffer is
3165 * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments
3166 unsigned. New boolean from_stage3.
3167 (struct spec_nodes): Add n__Pragma.
3169 * cppmacro.c (enter_macro_context): Flip sense of return value.
3170 (_cpp_get_token): Handle _Pragma operator.
3172 2000-10-30 Phil Edwards <pme@sources.redhat.com>
3174 * gcc.texi: The C++ standard isn't "draft" anymore.
3176 2000-10-30 Mark Mitchell <mark@codesourcery.com>
3178 * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID.
3180 2000-10-29 Neil Booth <neilb@earthling.net>
3182 * cpplib.c (skip_rest_of_line): Use _cpp_get_token.
3184 2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
3186 * toplev.c, flags.h, fold-const.c, real.c, rtl.c,
3187 fixinc/inclhack.def: Change comments mentioning C9X to refer to
3190 * invoke.texi: Document that -V will only work for very similar
3191 versions of driver and compiler.
3193 2000-10-29 Neil Booth <neilb@earthling.net>
3195 * cppmacro.c (_cpp_create_definition): Optimize the case of
3196 a macro defined to itself.
3198 2000-10-29 Neil Booth <neilb@earthling.net>
3200 * cpplex.c (save_comment): Don't store new lines in C++ comments.
3202 2000-10-29 Michael Hayes <mhayes@redhat.com>
3204 * integrate.c (copy_insn_list): Copy the unchanging flag for calls.
3206 2000-10-28 Geoffrey Keating <geoffk@cygnus.com>
3208 * cpphash.c (cpp_forall_identifiers): Add context variable
3209 for callback routine.
3210 * cppmain.c (dump_macro): Update to match cpp_forall_identifiers
3212 (main): Call cpp_forall_identifiers with null context.
3213 * cpplib.h (cpp_forall_identifiers): Update prototype.
3215 * cppmain.c: Make `parse_in' and `print' static.
3217 2000-10-28 Alan Modra <alan@linuxcare.com.au>
3219 * c-decl.c (finish_function): Clear c_function_name_declared_p.
3221 2000-10-28 Richard Henderson <rth@redhat.com>
3223 * regrename.c (scan_rtx_address): Frob action, not class,
3224 when trying to disable optimization.
3226 2000-10-28 Mark Mitchell <mark@codesourcery.com>
3228 * c-semantics.c (make_rtl_for_local_static): Don't clobber
3229 DECL_ASSEMBLER_NAME.
3231 2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
3233 * configure.in: Determine and substitute gcc_version_full.
3234 * configure: Regenerate.
3235 * gccbug.in: Use it to give full version. Don't allow
3238 2000-10-28 Richard Henderson <rth@redhat.com>
3240 * recog.c (split_all_insns): Run cleanup_subreg_operands
3243 * regrename.c (regrename_optimize): Verify that all registers of
3244 a multiple register mode are available.
3245 (scan_rtx_address): Accept the mode of the address; all callers
3248 * cpplib.c (run_directive): Fix prototype.
3250 2000-10-28 Bernd Schmidt <bernds@redhat.co.uk>
3252 * reload.c (find_reloads): Distinguish "wins" so that we know whether
3253 a given operand won because of a matching constraint or not; then use
3254 that information to compute goal_alternative_matched properly.
3255 * reload1.c (choose_reload_regs): Never set reload_override_in for an
3258 * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more
3259 accurate value for MULT.
3260 * config/ia64/ia64.c (ia64_print_operand): Require probability to be
3261 2% or > 98% before using static branch prediction bits.
3263 2000-10-28 Neil Booth <neilb@earthling.net>
3267 * cpplib.c (struct answer): New.
3268 (struct if_stack): Use cpp_lexer_pos rather than line and col.
3269 Rename cmacro mi_cmacro.
3270 (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL,
3271 IN_I): New directive and flags.
3272 (skip_rest_of_line, check_eol, run_directive, glue_header_name,
3273 parse_answer, parse_assertion, find_answer): New functions.
3274 (parse_ifdef, detect_if_not_defined, validate_else): Remove.
3275 (lex_macro_node): New function to replace parse_ifdef and
3278 (_cpp_handle_directive): New function, combines _cpp_check_directive
3279 and _cpp_check_linemarker.
3281 (do_define, do_undef, parse_include, do_include, do_import,
3282 do_include_next, read_line_number, do_line, do_ident, do_pragma,
3283 do_pragma_once, do_pragma_poison, do_pragma_dependency):
3284 Update for new token getting interface.
3286 (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional)
3287 : Update for new multiple-include optimisation technique.
3288 (do_elif): Don't forget to invalidate controlling macros.
3290 (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update.
3291 (parse_assertion, parse_answer, find_answer, _cpp_test_assertion):
3292 Functions to handle assertions with the new token interface.
3293 (do_assert, do_unassert): Use them.
3295 (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert):
3298 (_cpp_init_stacks): Register directive names. Don't register special
3301 * cpperror.c (print_containing_files, _cpp_begin_message): Update to
3302 new position recording regime.
3303 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
3304 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
3305 cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes.
3306 (cpp_type2name): Move to cpplex.c.
3308 * cppexp.c (parse_charconst): spec_nodes is no longer a pointer.
3309 (parse_defined): Update to handle new multiple include optimisation
3310 method. Remove poisoned identifier warning.
3311 (parse_assertion, TYPE_NAME): Delete.
3312 (lex): Update for multiple include optimisation, removal of
3313 CPP_DEFINED, to use _cpp_test_assertion for assertions and
3315 (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text.
3316 (op_as_text): New function, to wrap cpp_token_as_text.
3318 * cppfiles.c (stack_include_file, _cpp_pop_file_buffer):
3319 Update for MI optimisation.
3320 (_cpp_execute_include): Take a token rather than 3 arguments. Fix
3321 segfault on diagnostic.
3322 (_cpp_compare_file_date): Take a token rather than 3 args.
3323 (cpp_read_file): Work correctly for zero-length files.
3325 * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename
3326 _cpp_init_hashtable and _cpp_cleanup_hashtable.
3327 (cpp_lookup): Place identifiers at front of identifier pool
3328 for _cpp_lookup_with_hash.
3329 (_cpp_lookup_with_hash): Require identifiers to be at the front of
3330 the identifier pool. Commit the memory if not already in the
3333 * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top.
3334 Initialise various members of cpp_reader, memory pools, and the
3336 (cpp_printer_init): Delete.
3337 (cpp_cleanup): Update.
3338 (struct builtin, builtin_array, initialize_builtins): Update for new
3339 hashnode definition and builtin handling.
3340 (cpp_start_read, cpp_finish): Don't take or initialise a
3343 * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL,
3344 PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE,
3345 T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL,
3346 T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete.
3347 (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos,
3348 struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind,
3349 NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos,
3350 struct toklist, struct cpp_context, struct specnodes,
3351 TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED,
3352 NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION,
3353 enum builtin_type, cpp_can_paste): New.
3354 (struct cpp_token): Delete line and col members.
3355 (struct cpp_buffer): New member output_lineno.
3356 (struct lexer_state): Delete indented, in_lex_line, seen_dot.
3357 Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args.
3358 (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos,
3359 ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool,
3360 base_context, context, directive, mi_state, mi_if_not_defined,
3361 mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused,
3362 mlstring_pos, macro_buffer, macro_buffer_len.
3363 Delete members mls_line, mls_column, token_list, potential_control_macro,
3364 temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token,
3365 context_cap, cur_context, no_expand_level, paste_level, contexts, args,
3366 save_parameter_spellings, need_newline, .
3367 Change type of date, time and spec_nodes members.
3368 Change prototypes for include and ident callbacks.
3369 (struct cpp_hashnode): Change type of name. Remove union members
3370 expansion and code. Add members macro, operator and builtin.
3372 (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read,
3373 cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line,
3374 cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead,
3375 cpp_stop_lookahead): New prototypes.
3376 (cpp_printer_init, cpp_dump_definition): Delete prototypes.
3378 (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs):
3379 Move from cpphash.h.
3381 * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr,
3382 ufputs): Move to cpplib.h.
3383 (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL,
3384 TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION,
3385 COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler,
3386 struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens,
3387 _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist,
3388 _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space,
3389 _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive,
3390 _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name,
3391 _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker,
3392 _cpp_parse_assertion, _cpp_find_answer): Delete.
3393 (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE,
3394 POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool,
3395 _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk,
3396 _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion,
3397 _cpp_handle_directive, DSC): New.
3398 (struct include_file): New member defined.
3400 (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include,
3401 _cpp_compare_file_date): Update.
3402 (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New.
3403 (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable,
3404 _cpp_cleanup_hashtable.
3406 * Makefile.in: Remove cppoutput.c.
3408 * cppoutput.c: Delete
3410 * fixheader.c (read_scan_file): Update for new cpp_get_token
3412 (recognized_function): New argument LINE.
3414 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
3415 new cpp_get_token prototype.
3417 * scan.h (recognized_function): Update prototype.
3419 * po/POTFILES.in: Remove cppoutput.c.
3421 2000-10-27 Mark Mitchell <mark@codesourcery.com>
3423 * c-typeck.c (check_init_type_bitfields): Remove.
3424 (constructor_incremental): Likewise.
3425 (struct constructor_stack): Remove incremental bit.
3426 (struct initializer_stack): Likewise.
3427 (start_init): Don't play with constructor_incremental.
3428 (finish_init): Likewise.
3429 (really_start_incremental_init): Likewise.
3430 (push_init_level): Likewise.
3431 (pop_init_level): Likewise.
3432 (output_init_level): Likewise.
3433 (output_pending_init_elements): Likewise.
3435 2000-10-21 Mike Coleman <mcoleman2@kc.rr.com>
3437 * c-pragma.c (handle_pragma_pack): Initialize align to -1.
3438 Improve error messages. Correct parsing of
3439 #pragma pack(pop [,id]). Do not check the user-supplied
3440 alignment if we're popping.
3442 * gcc.dg/pack-test-1.c: New test case.
3443 * gcc.dg/pack-test-2.c: New test case.
3444 * gcc.dg/pack-test-1.h: New file.
3446 2000-10-27 Neil Booth <neilb@earthling.net>
3450 2000-10-27 Kelley Cook <kelley.cook@home.com>
3452 * invoke.texi: Document -mintel-syntax
3454 2000-10-27 Richard Henderson <rth@redhat.com>
3456 * invoke.texi: Document -frename-registers. Add it to -O3.
3457 * toplev.c (rest_of_compilation): Run regrename before ifcvt2.
3458 (enum dump_file_index, dump_file): Update order.
3459 (main): Set flag_rename_registers at -O3.
3461 2000-10-27 Richard Henderson <rth@redhat.com>
3463 * config/alpha/alpha.h (enum reg_class): Add PV_REG.
3464 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
3465 (REG_CLASS_FROM_LETTER): Assign it to 'c'.
3466 * config/alpha/alpha.md (call_osf_1): Use it.
3467 (call_value_osf_1): Likewise.
3469 * config/ia64/ia64.c: Revert 10-23 patch.
3470 (ia64_hard_regno_rename_ok): New.
3471 * config/ia64/ia64-protos.h: Declare it.
3472 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it.
3474 2000-10-27 Bernd Schmidt <bernds@redhat.co.uk>
3475 Richard Henderson <rth@redhat.com>
3477 * regrename.c: Rewrite to handle multi-register modes and
3478 cond_exec instructions.
3479 * Makefile.in (regrename.o): Update dependancies.
3480 * recog.h (struct operand_alternative): Add is_address.
3481 * recog.c (preprocess_constraints) [case 'p']: Set it.
3483 2000-10-27 Zack Weinberg <zack@wolery.stanford.edu>
3485 * configure.in: If not NO_MINUS_C_MINUS_O, substitute
3486 OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to
3487 top level. Kill oldstyle_subdirs. Do not include
3488 $srcdir/$s/Makefile.in in all_lang_makefiles, but do include
3489 $outputs. Do not run configure.lang from config.status.
3490 Rearrange warning-flag logic to correspond to what the
3491 makefile wants. Put special vax stage1 options in
3492 @stage1_flags@ not @stage1_warn_cflags@. Don't do anything
3493 with extra_c_objs, extra_cxx_objs, or extra_cpp_objs.
3494 (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if
3495 switch is given, nothing otherwise.
3496 * configure.lang: Delete.
3498 * Makefile.in: Expunge all traces of extra_c_objs,
3499 extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from
3500 @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set
3501 warning options via a three level scheme so that -pedantic and
3502 -Wtraditional are not used for non-C front ends: LOOSE_WARN,
3503 STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS ->
3504 WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS.
3505 Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES.
3506 Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P,
3507 LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file
3508 generation rules. Wrap all rules that change the current
3509 directory in parentheses; pmake doesn't spawn a new shell for
3510 each command. Expunge all references to $(P). When one
3511 command depends on another and they're run all at once, use &&
3512 to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files
3513 deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2
3516 * objc/Make-lang.in: Wrap all rules that change the current
3517 directory in parentheses. Expunge all references to $(P).
3518 When one command depends on another and they're run all at
3519 once, use && to separate them, not ;. Add OUTPUT_OPTION to
3520 all object-file generation rules. Delete obsolete variables.
3521 * objc/Makefile.in: Delete.
3523 2000-10-27 Jakub Jelinek <jakub@redhat.com>
3525 * calls.c (expand_call): If sibcall_failure is set during pass 1,
3526 clear tail_call_insns as well.
3528 2000-10-27 Nick Clifton <nickc@redhat.com>
3530 * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add
3533 2000-10-26 Richard Henderson <rth@redhat.com>
3535 * calls.c (expand_call): Supress sibcall if we have a
3536 BLKmode return in registers.
3538 2000-10-26 Bernd Schmidt <bernds@redhat.co.uk>
3540 * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants
3543 2000-10-26 Nathan Sidwell <nathan@codesourcery.com>
3545 * tree.c (make_node, case 't'): Set alignment to that of
3547 * expr.c (move_by_pieces_ninsns): Abort if some length remains.
3549 2000-10-25 Mark Mitchell <mark@codesourcery.com>
3551 * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3.
3552 * configure.in (enable-libstdcxx-v3): Arrange to have
3553 HAVE_LIBSTDCXX_V3 substituted into the output files.
3555 2000-10-25 Richard Henderson <rth@redhat.com>
3557 * recog.c (constrain_operands): Initialize which_alternative
3558 before no alternatives early exit.
3560 * cse.c (find_comparison_args): Check that we can reverse a
3561 comparison if needed before accepting the substitution.
3563 * reload.c (find_reloads_address_part): Kill rtx obstack hackery.
3565 * simplify-rtx.c (simplify_relational_operation): Sign extend
3566 low words before sign extending to high words.
3568 2000-10-25 Nick Clifton <nickc@redhat.com>
3570 * config/mcore/mcore.c: Include config.h before system.h.
3572 2000-10-25 Ray Essick <essick@ddna.labs.mot.com>
3574 * config/mcore/mcore.md (return): Force function epilogue to
3575 always be generated to work around epilogue suppression bug in
3578 2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk>
3580 * c-decl.c (grokdeclarator): Move warning for qualified void
3581 return types with -pedantic to when the function type is
3582 constructed. At -W, warn in general for qualified function return
3583 types, except for volatile void.
3584 * invoke.texi: Document this new warning at -W.
3586 2000-10-25 Neil Booth <neilb@earthling.net>
3588 * cpp.texi: Update with implementation-defined behavior and
3591 2000-10-25 Jakub Jelinek <jakub@redhat.com>
3593 * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the
3594 incomplete type force it into alias set 0.
3596 Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com)
3598 * alias.c: Include basic-block.h.
3599 (loop_p): New function.
3600 (mark_constant_function): Use it.
3601 * Makefile.in (alias.o): Update dependencies.
3603 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
3605 * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos
3608 2000-10-24 Jim Wilson <wilson@cygnus.com>
3610 * expmed.c (store_bit_field): Move integer pun code down after
3611 code that calls emit_move_insn for entire register move.
3612 * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and
3613 Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE.
3615 2000-10-24 Richard Henderson <rth@cygnus.com>
3617 * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic
3618 register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
3620 2000-10-24 Aldy Hernandez <aldyh@redhat.com>
3622 * gcse.c (cprop_insn): do not propagate constants into jump_insn
3623 for machines with CC0 more than once.
3625 2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com>
3627 * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat
3628 pseudos just like memory.
3630 2000-10-24 Alexandre Oliva <aoliva@redhat.com>
3632 * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL
3633 when deleting libcall sequence collapsed to a single instruction.
3635 2000-10-24 Andrew Haley <aph@cygnus.co.uk>
3637 * expr.c (do_store_flag): Don't crash if either side of a
3638 comparison is error_mark_node.
3640 2000-10-24 Jakub Jelinek <jakub@redhat.com>
3642 * sibcall.c (purge_mem_unchanging_flag): New function.
3643 (optimize_sibling_and_tail_recursive_calls): Call it.
3645 2000-10-24 Philipp Thomas <pthomas@suse.de>
3647 * Makefile.in (check-po): New target for doing checks in the po
3648 subdir if all languages configured.
3649 (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via
3650 configure if NLS is enabled.
3651 * configure.in: If NLS is enabled, substitute CHECK_PO by check-po,
3652 otherwise leave empty.
3653 * configure: Regenerate.
3655 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
3657 * i386.c (print_operand): Handle new 'A' formatting code.
3658 387 opcodes need suffixes even with -mintel-syntax.
3659 Check for explicit size override (codes 'b', 'w' and 'k').
3660 (print_operand_address): Check if register prefix is needed when
3661 emitting `ds' segment override.
3662 * i386.h: Add comment about new 'A' formatting code.
3663 * i386.md (jump and call patterns): Emit absolute references using %A.
3665 2000-10-23 Richard Henderson <rth@cygnus.com>
3667 * config/ia64/ia64.c (ia64_expand_prologue): Mark extra
3668 output registers as fixed.
3669 (ia64_function_epilogue): Undo output fixation.
3671 2000-10-23 Richard Henderson <rth@cygnus.com>
3673 * config/alpha/alpha.md: Add names for all unnamed insns; use
3674 define_insn_and_split in some obvious places.
3676 (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX.
3677 (zero_extendqisi2, zero_extendqidi2): Likewise.
3678 (zero_extendhisi2, zero_extendhidi2): Likewise.
3679 (abs splitters): Fix match_scratch operand number.
3680 (bcc_reverse): Swap pc & label instead of non-canonical compare.
3682 2000-10-23 Jim Wilson <wilson@cygnus.com>
3684 * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle
3686 * ia64.md (cmpsi_adjusted): Use %r3.
3687 (cmpdi_adjusted): Likewise.
3689 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
3691 * config/i386/att.h (ASM_FILE_START): Define.
3693 2000-10-23 Diego Novillo <dnovillo@cygnus.com>
3695 * config/i386/linux.h (ASM_FILE_START): Define.
3697 Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com>
3699 * gcc/configure.in: m68k-coff tm_file should not have libgloss.h,
3700 since this (only) drags in a crt0.o reference that the .ld files
3703 2000-10-23 Geoff Keating <geoffk@cygnus.com>
3705 * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can
3706 overwrite the value in a RELOAD_FOR_INPUT and other kinds of
3707 reloads just like an RELOAD_FOR_OUTPUT would.
3709 * local-alloc.c (update_equiv_regs): Add an abort(). When
3710 deleting or moving insns, update reg_equiv[regno].init_insns.
3712 2000-10-23 Mark Mitchell <mark@codesourcery.com>
3714 * c-tree.texi: Improve documentation for IF_STMTs and related
3715 conditional statements.
3717 2000-10-22 Mark Mitchell <mark@codesourcery.com>
3719 * expr.c (do_preexpand_calls): Remove.
3720 (same_from_p): Don't use CALL_EXPR_RTL.
3721 (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL.
3722 (preexpand_calls): Remove.
3723 * tree.c (first_rtl_op): Remove CALL_EXPR case.
3724 (unsave_expr_1): Likewise.
3725 * tree.def (CALL_EXPR): Give it only two slots.
3726 * tree.h (CALL_EXPR_RTL): Remove.
3728 2000-10-21 Chandrakala Chavva <cchavva@redhat.com>
3730 * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3,
3731 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
3734 2000-10-22 Alexandre Oliva <aoliva@redhat.com>
3736 * calls.c (combine_pending_stack_adjustment_and_call): Don't
3737 adjust stack when unadjusted_alignment ends up as zero.
3739 2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk>
3741 * fixinc/genfixes: Remove EGCS reference.
3742 * install.texi: Remove EGCS reference.
3743 * INSTALL: Regenerate.
3745 2000-10-22 Mark Mitchell <mark@codesourcery.com>
3747 * tree.h (TYPE_IS_SIZETYPE): Add more documentation.
3749 2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk>
3751 * diagnostic.c: Remove EGCS reference in comment.
3753 Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3755 * loop.c (strength_reduce): Fix error in last change.
3757 2000-10-20 David Edelsohn <edelsohn@gnu.org>
3759 * Makefile.in (SHLIB_NM_FLAGS): New.
3760 (libgcc.mk): Pass it.
3761 * mklibgcc.in (libgcc.map): Use it.
3763 * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS,
3764 SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New.
3766 2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3768 * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char.
3770 * sparc.c (load_pic_register): Delete unused varaible.
3772 * libgcc2.c (__addvsi3): Delete unused variable.
3774 * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3,
3775 __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2,
3776 __negvdi2): Prototype.
3778 * ssa.c (apply_delayed_renames): Avoid undefined operation.
3780 * toplev.c (display_target_options): Make static to match
3781 prototype. Delete empty declaration.
3783 2000-10-20 Tom Tromey <tromey@cygnus.com>
3785 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
3786 * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT.
3788 Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3790 * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on
3792 (expand_expr_unaligned, case ARRAY_REF): Check that index is
3793 a constant before comparing it; use tree_low_cst.
3794 * tree.c (save_expr): Set TREE_READONLY.
3795 (substitute_expr): Return inside of NON_LVALUE_EXPR.
3796 (build, build1): Set TREE_READONLY if all operands are.
3797 (build_index_type): If upper bound is a negative number, lower
3798 bound is zero and sizetype is unsigned, use upper bound of one and
3801 2000-10-20 David Edelsohn <edelsohn@gnu.org>
3803 * gcc.c (process_command, main): Use "because" instead of
3804 "since" in error messages.
3806 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3808 * stor-layout.c (compute_record_mode): Use tree_low_cst.
3809 Don't use mode of field for record unless sizes are the same.
3810 (layout_type, case ARRAY_TYPE): Remove special bounds handling
3811 previously added for Ada; also change to using host_integerp
3814 * loop.c (strength_reduce): Show when new register made for
3815 giv is known to be a pointer and its aligment if so and known.
3816 (loop_dump_aux): Show VERBOSE parameter unused.
3818 * gcse.c (set_hash_table_size): Now unsigned.
3819 * sdbout.c (template_name_p): Add "const" to avoid warnings.
3820 (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise.
3821 (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise.
3822 (sdbout_end_epilogue): Remove variable NAME.
3823 * system.h (getopt): Add default definition.
3824 * config/alpha/alpha.c (print_operand): Don't continue processing
3825 after issuing error.
3826 (summarize_insn): Avoid use of UL in constant.
3828 * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst.
3830 * fold-const.c (force_fit_type): Unsigned values can overflow
3831 if they are sizetype.
3832 (int_const_binop): Don't use cache if overflows.
3834 2000-10-20 Richard Henderson <rth@cygnus.com>
3836 * function.c (locate_and_pad_parm): Zero alignment_pad.
3838 * regrename.c (rr_replace_reg): Rewrite to use recog_data to
3839 perform substitutions, and apply_change_group to see if it worked.
3841 Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3843 * dwarf2out.c (add_bound_info): Also ignore COND_EXPR.
3845 * combine.c (struct undo): Change int to unsigned int.
3846 (do_SUBST_INT): Args are unsigned int.
3847 (make_extraction, force_to_mode): Use proper type when forming mask.
3848 (make_field_assignment): Likewise.
3850 2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk>
3852 * c-common.c (check_format_info_recurse): Extract string constant
3853 initializers from non-volatile constant arrays and check them as
3855 * c-typeck.c (decl_constant_value): Don't check pedantic or check
3856 for DECL_MODE (decl) != BLKmode.
3857 (decl_constant_value_for_broken_optimization): New function which
3858 includes these checks.
3859 (default_conversion, convert_for_assignment, digest_init): Use
3860 decl_constant_value_for_broken_optimization instead of
3861 decl_constant_value.
3863 2000-10-20 Mark Mitchell <mark@codesourcery.com>
3865 * tree.h (DECL_ALIGN_UNIT): New macro.
3867 2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl>
3869 * config/avr/avr-protos.h (avr_output_bld): New.
3870 (out_shift_with_cnt): Add t_len argument.
3871 * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args.
3872 (output_movqi, output_movhi, output_movsisf): Optimize loading
3873 any constant with exactly one bit set to NO_LD_REGS.
3874 (out_shift_with_cnt): Optimize output code for size or speed,
3875 depending on optimize_size. Handle small shift counts as well
3876 (if not hand-optimized in ?sh??i3_out). Shifts can be done
3877 with or without a scratch register, with help of __tmp_reg__
3878 or __zero_reg__ if necessary. Add T_LEN argument to pass the
3879 length of TEMPLATE in words, return total insn length in *LEN.
3880 (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to
3881 out_shift_with_cnt to work with the above change.
3882 (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out,
3883 lshrsi3_out): Likewise. Optimize more known shift count cases.
3884 Remove cases already well optimized in out_shift_with_cnt.
3885 (avr_output_bld): New function.
3886 * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove.
3887 (TARGET_SWITCHES): Remove -mpack-args backward compatibility.
3888 * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi):
3889 Add reload_completed to insn condition - only for peepholes.
3890 (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts
3891 in a register or memory.
3892 (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise.
3893 Do not require a scratch register.
3894 (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
3895 *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes.
3896 Optimize shifts by known count using a scratch register, but only
3897 if one is still available after register allocation.
3899 2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3901 * t-vax: New file. Don't build modules from libgcc1.c.
3903 Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com)
3905 * alias.c: (mark_constant_function): Don't check pure functions.
3906 Initialize and end alias analysis.
3907 (nonlocal_mentioned_p): Rename from nonlocal_reference_p.
3908 Don't make a special exception for recursion. Handle
3909 UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local
3910 unless it's volatile.
3912 * local-alloc.c (equivalence): New structure.
3913 (reg_equiv): Define.
3914 (contains_replace_regs): Remove array and use
3916 (memref_referenced_p): Likewise.
3917 (no_equiv): Likewise.
3918 (update_equiv_regs): Likewise.
3920 (equiv_init_varies_p,
3921 equiv_init_movable_p): New functions.
3922 (update_equiv_regs): Use them. Use rtx_varies_p
3923 instead of function_invariant_p. Process insns
3924 from end to beginning. Allow a REG_EQUIV insn
3925 within the same loop as a use to be moved, also
3926 allow it to be moved out of a loop. Update
3927 REG_DEAD notes when substituting into an insn.
3929 2000-10-19 Jim Wilson <wilson@cygnus.com>
3931 * c-decl.c (start_decl): Check for error_mark_node type before using
3933 (finish_decl): Likewise. Don't give an error if decl type is
3934 already error_mark_node.
3936 * haifa-sched.c (compute_trg_info): Add explanatory comments.
3937 New local update_blocks. Use update_blocks to remove duplicates
3938 when computing update blocks. Check for bblst_table overflow.
3939 (schedule_block): Add explanatory comment. Reduce bblst_size by
3941 * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL
3944 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
3946 * libgcc2.c (_mulvsi3): Change variables u and v to a and b.
3948 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
3950 * expmed.c: Minor corrections in comments.
3951 * invoke.texi: Added desciption for the new option -ftrapv.
3953 2000-10-19 Chandrakala Chavva <cchavva@redhat.com>
3955 * libgcc2.c: Added the missing #endif.
3957 Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
3959 * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document.
3961 2000-10-18 Chandrakala Chavva <cchavva@redhat.com>
3963 * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv.
3964 Use smulv_optab for -ftrapv.
3965 (expand_mult_highpart): Use unsigned multiply.
3966 (expand_divmod): Special-case division by -1.
3967 For EXACT_DIV_EXPR, do right shift first, then the multiply.
3968 For complex divide, use abs with unsigned result.
3969 * expr.c (force_operand): Use unsigned multiply.
3970 (expand_expr): Use overflow-trapping optabs for signed types if
3972 If flag_trapv, don't generate a recursive call with EXPAND_SUM
3973 if the type is signed and the original call wasn't EXPAND_SUM or
3975 * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare.
3976 (negv_optab, absv_optab): Declare.
3977 * flags.h (flag_trapv): Declare.
3978 * genopinit.c (optabs): Add entries for addv_optab, subv_optab,
3979 smulv_optab, sdivv_optab, negv_optab and absv_optab.
3980 (gen_insn): Interpret '$P' as requiring an integer mode,
3981 including partial integer modes.
3982 * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add.
3983 (product_cheap_p): Use unsigned expand_mult.
3984 * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define.
3985 (negv_optab, absv_optab): Define.
3986 (expand_binop): Use overflow-trapping optabs for signed types if
3988 Handle negv_optab libe neg_optab.
3989 (expand_abs): Take result_unsignedp argument instead of unsignedp one.
3990 Use overflow-trapping optabs for signed result if flag_trapv.
3991 (expand_complex_abs): Use overflow-trapping optabs for signed types if
3993 Don't open-code complex absolute-value operation for flag_trapv.
3994 (init_optabs): Initialize addv_optab, subv_optab, smulv_optab,
3995 sdivv_optab, negv_optab and absv_optab.
3996 * toplev.c (flag_trapv): Define.
3997 (lang_independent_options f_options): Include flag_trapv.
3998 * tree.h (TYPE_TRAP_SIGNED): Define.
3999 * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3,
4000 __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3):
4002 * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3
4003 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2.
4005 2000-10-18 Geoffrey Keating <geoffk@cygnus.com>
4006 David V. Henkel-Wallace <gumby@cygnus.com>
4008 * config/i386/t-netware: Bring in from the Red Hat tree.
4009 * config/i386/netware.h: Likewise.
4010 * config/netware.h: Likewise.
4011 * config/rs6000/netware.h: Delete.
4012 * configure.in: Add i[34567]86-*-netware.
4013 * configure: Hand-edit to match configure.in change.
4015 2000-10-18 Mark Mitchell <mark@codesourcery.com>
4017 * c-common.h (flag_no_builtin): Declare.
4018 (flag_no_nonansi_builtin): Likewise.
4019 (c_common_nodes_and_builtins): Change prototype.
4020 * c-common.c (flag_no_builtin): New variable.
4021 (flag_no_nonansi_builtin): Likewise.
4022 (c_common_nodes_and_builtins): Remove parameters. Adjust
4024 * c-decl.c (flag_no_builtin): Remove.
4025 (flag_no_nonansi_builtin): Likewise.
4026 (init_decl_processing): Adjust call to
4027 c_common_nodes_and_builtins.
4029 2000-10-18 Marc Espie <espie@openbsd.org>
4031 * tm.texi (LIBGCC_SPEC): Synch with reality.
4033 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
4035 * c-common.c (check_format_types): Check for writing through a
4036 NULL pointer argument.
4038 2000-10-18 Hans-Peter Nilsson <hp@axis.com>
4040 * tm.texi (Exception Region Output): Document
4041 DWARF_CIE_DATA_ALIGNMENT.
4042 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in
4044 [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of
4045 DWARF_CIE_DATA_ALIGNMENT.
4047 2000-10-18 Michael Hayes <mhayes@cygnus.com>
4049 * basic-block.h (struct loop): Delete fields pre_header_root
4050 and pre_header_trace and replace with pre_header_edges
4051 and num_pre_header_edges.
4052 * flow.c (flow_loop_dump): Dump pre_header_edges.
4053 (flow_loops_free): Free pre_header_edges.
4054 (flow_loop_pre_header_scan): Calculate pre_header_edges.
4056 2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4058 * contrib.texi: Update references to steering committee members
4059 and Jeff Law's entry.
4061 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
4063 * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define.
4064 (maybe_read_dollar_number, check_format_info_main): Use them for
4065 pedantic warning messages.
4067 2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk>
4069 * c-common.c (check_format_info_main): Minor cleanup: move
4070 variables into inner scopes; initialize declarations where
4071 appropriate; don't hardcode "scanf" name on warning for zero
4074 2000-10-17 Mark Mitchell <mark@codesourcery.com>
4076 * c-common.c (back_end_hook): New variable.
4077 * c-common.h (back_end_hook): Declare it.
4078 * c-lang.c (finish_file): Use it.
4080 * emit-rtl.c (init_emit_once): Initialize the const_int_htab
4083 2000-10-18 Jan Hubicka <jh@suse.cz>
4085 * i386.c (ix86_comparison_operator, put_condition_code,
4086 ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode.
4087 (ix86_expand_strlensi_unroll_1): Use CCRCmode.
4088 * i386.h (EXTRA_CC_MODES): Add CCRCmode.
4089 * i386.md (adddi and negdi splitter): Use CCRCmode.
4090 (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands
4091 (subsi3_carry): add '*'
4092 (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New.
4093 (cmp to add peep2): Use CCRCmode; swap operands.
4095 2000-10-18 Kazu Hirata <kazu@hxi.com>
4097 * h8300.c: Fix a comment typo.
4098 (round_frame_size): New.
4099 (compute_saved_regs): Likewise.
4102 (push_order): Remove.
4103 (pop_order): Likewise.
4104 (function_prologue): Rearrange code for readability.
4105 (function_epilogue): Likewise.
4107 * config/h8300/h8300.md: Remove an unnecessary sign_extend
4108 expander that is used when not optimizing. Output a tab after
4109 each assembly insns.
4111 * reorg.c: Fix formatting.
4113 2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
4115 * reload1.c (move2add_note_store): Check for simple
4116 auto-inc in destination.
4118 2000-10-17 Michael Chastain <chastain@redhat.com>
4120 * config/i386/i386-aout.h: define INT_ASM_OP.
4122 Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au>
4124 * pa.c (print_operand): Handle case 'c' for .vtable_inherit
4126 Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org>
4128 * i370.md: Fix spelling typo.
4130 2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4132 * function.c (locate_and_pad_parm): Don't align stack unconditionally.
4133 Fixes execute/20001017-1.c on powerpc-linux-gnu.
4135 * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only.
4136 * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a
4139 * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS,
4140 ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from
4142 * rs6000/aix.h: ...to here.
4143 * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style.
4145 2000-10-17 Jakub Jelinek <jakub@redhat.com>
4147 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed.
4149 * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make
4150 sure linker can relax even the delay slot mov %g1,%o7, fix output
4153 2000-10-17 Kazu Hirata <kazu@hxi.com>
4155 * config/h8300/h8300.md: Remove an unnecessary zero_extend
4156 expander that is used when not optimizing. Output a tab after
4157 each assembly insns.
4159 2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
4161 * gcc.c: New options --target-help.
4162 (process_command): Added code to parse this new option.
4163 * toplev.c (display_target_options): New function to support the
4165 * cppinit.c (new_pending_directive) : New option OPT_target__help.
4166 (cpp_handle_option): Support this new option.
4167 * invoke.texi: Added notes about --target-help option.
4169 2000-10-17 Graham Stott <grahams@redhat.com>
4171 * config/i386/i386.md (testqi_1): Add missing operand prefix
4173 * config/i386/i386-protos.h: Add missing prototype.
4175 2000-10-17 Diego Novillo <dnovillo@cygnus.com>
4177 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol
4178 _GLOBAL_OFFSET_TABLE should not have a $ prefix when
4179 using -mintel-syntax.
4181 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
4183 * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define.
4184 (format_types): Use it for printf.
4185 (maybe_read_dollar_number): Add parameter for the kind of format
4186 involved. Warn for multiple use for arguments if this is
4187 inappropriate for the kind of format involved.
4188 (check_format_info_main): Update calls to maybe_read_dollar_number.
4190 2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4192 * inclhack.def (hpux_maxint): Also apply fix to values.h.
4193 * fixincl.x: Rebuilt.
4195 2000-10-17 Alexandre Oliva <aoliva@redhat.com>
4197 * genrecog.c (write_switch): Return the first condition that needs a
4200 2000-10-17 Bernd Schmidt <bernds@redhat.co.uk>
4202 * c-tree.h (warn_sequence_point): Move declaration to...
4203 * c-common.h (warn_sequence_point): ... here.
4204 * c-decl.c (warn_sequence_point): Move definition to...
4205 * c-common.c (warn_sequence_point): ... here.
4206 (struct reverse_tree): New.
4207 (reverse_list, reverse_max_depth): New static variables.
4208 (build_reverse_tree, common_ancestor, modify_ok
4209 verify_sequence_points): New functions.
4210 (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point.
4211 * c-typeck.c (check_modify_expr): Delete.
4212 (build_modify_expr): Don't call it.
4214 2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk>
4216 * c-common.h (warn_missing_format_attribute): New variable.
4217 * c-decl.c (warn_missing_format_attribute): New variable.
4218 (c_decode_option): Decode -Wmissing-format-attribute and
4219 -Wno-missing-format-attribute.
4220 * c-common.c (check_function_format): If
4221 -Wmissing-format-attribute, give a warning where a vprintf or
4222 vscanf function is called by a function without its own printf or
4224 * toplev.c (documented_lang_options): Add
4225 -Wmissing-format-attribute.
4226 * invoke.texi: Document -Wmissing-format-attribute.
4228 2000-10-17 Marc Espie <espie@openbsd.org>
4230 * invoke.texi (-shared): Insist on requiring code generation flags
4231 to be used along with -shared, and document the subtle failure that
4232 may occur otherwise.
4234 2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4236 * pa.md (return_internal): Move `use' after `return'.
4238 2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4240 * machmode.def: Correct comment.
4242 2000-10-16 Rodney Brown <RodneyBrown@mynd.com>
4244 * print-rtl.c (print_rtx_head): Constify.
4245 * rtl.h (print_rtx_head): Similarly.
4247 * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior):
4248 Constify char * return value.
4250 (output_64bit_and, output_64bit_ior): Constify char * return value.
4251 (pa_can_combine_p): Make static.
4252 (function_arg): Decorate unused `named' argument. Fix comment typo.
4253 (function_arg_partial_nregs): Decorate unused `named' argument.
4255 2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk>
4257 * c-common.c (format_check_results): New structure.
4258 (finish_dollar_format_checking): Adjust to take a
4259 format_check_results * parameter.
4260 (check_format_info, check_format_info_recurse,
4261 check_format_info_main): Split check_format_info into three
4262 functions, the main checking going in check_format_info_main.
4263 Recurse when any reduction of the format string argument towards a
4264 string literal is done; go down both branches of a conditional
4265 expression. Don't warn for extra format arguments or empty format
4266 strings if they only occur in some branches of a conditional
4269 2000-10-16 Kazu Hirata <kazu@hxi.com>
4271 * config/h8300/h8300.c: Remove obstack. Include ggc.h.
4273 2000-10-16 Jakub Jelinek <jakub@redhat.com>
4275 * rtlanal.c (may_trap_p): Check operand modes of COMPARE.
4277 2000-10-15 Diego Novillo <dnovillo@cygnus.com>
4279 * i386.md (*movsi_or): Switch operand order for intel syntax.
4281 2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk>
4285 * gcc.texi (Contributing): Update.
4287 2000-10-13 Diego Novillo <dnovillo@cygnus.com>
4289 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using
4290 appropriate assembler dialect.
4292 2000-10-13 Alexandre Oliva <aoliva@redhat.com>
4294 * c-common.c (c_expand_builtin): PARAMS-ize prototype.
4296 2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl>
4298 * config/avr/avr.c (output_movhi, output_movsisf): Fix loading
4299 constants 1 and 2 to NO_LD_REGS.
4301 2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4303 * Makefile.in (c-parse.c, tradcif.c): Create atomically.
4305 * objc/Make-lang.in (objc-parse.c): Likewise.
4307 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
4309 * arm.c: Include obstack.h
4310 (minipool_obstack, minipool_startobj): Define.
4311 (arm_add_gc_roots): Initialize them.
4312 (create_fix_barrier): Use our new obstack.
4313 (push_minipool_barrier, push_minipool_fix): Likewise.
4314 (arm_reorg): Release obstack memory.
4316 2000-10-13 Jakub Jelinek <jakub@redhat.com>
4318 * config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
4319 (prologue, exception_receiver, builtin_setjmp_receiver): New
4321 * config/sparc/sparc.h (FINALIZE_PIC): Remove.
4322 * config/sparc/sparc-protos.h (finalize_pic): Remove.
4323 (load_pic_register): New prototype.
4324 * config/sparc/sparc.c (pic_setup_code): Remove.
4325 (finalize_pic): Rename to...
4326 (load_pic_register): ...this function.
4327 Don't look for nonlocal_goto_receivers and emit pic setup code
4328 directly. Don't check current_function_uses_pic_offset_table.
4330 2000-10-13 Richard Earnshaw <rearnsha@arm.com>
4332 * tree.h (struct obstack): Declare.
4334 2000-10-12 Mark Mitchell <mark@codesourcery.com>
4337 * Makefile.in (ggc-callbacks.o): Remove target.
4338 (flow.o): Depend on GGC_H.
4339 * alias.c (init_alias_analysis):
4340 Remove ggc_p conditionals.
4341 (end_alias_analysis): Likewise.
4342 * basic-block.h (init_flow): New function.
4343 (allocate_reg_life_data): Declare.
4344 * bb-reorder.c (function_obstack): Replace with ...
4345 (flow_obstack): ... new variable.
4346 (fixup_reorder_chain): Use it.
4347 * c-decl.c (ggc_p): Remove.
4348 (caller-save.c): Don't call oballoc/obfree.
4350 undobuf): Remove storage.
4351 (try_combine): Don't call oballoc.
4352 (undo_all): Don't call obfree.
4353 * cse.c (insert): Use xmalloc, not
4355 (cse_main): Adjust accordingly.
4356 * dwarf2out.c (save_rtx): Remove
4358 (dwarf2out_init): Remove ggc_p conditionals.
4359 * emit-rtl.c (rtl_obstack): Remove.
4360 (gen_rtx_CONST_INT): Remove ggc_p conditionals.
4361 (make_insn_raw): Likewise.
4362 (emit_insn_before): Likewise.
4363 (emit_insn_after): Likewise.
4364 (emit_insn): Likewise.
4365 (gen_sequence): Likewise.
4366 (copy_insn_1): Remove handling of `b' RTL components.
4367 (init_emit_once): Remove ggc_p conditionals.
4368 * except.c (create_rethrow_ref): Don't fool with obstacks.
4369 (add_partial_entry): Likewise.
4370 (call_get_eh_context): Likewise.
4371 (begin_protect_partials): Likewise.
4372 (protect_with_terminate): Likewise.
4374 (plus_constant_wide): Likewise.
4375 * expr.c (init_expr_once):
4377 (emit_block_move): Likewise.
4378 (clear_storage): Likewise.
4379 (expand_expr): Likewise.
4380 * flow.c (function_obstack): Remove.
4381 (flow_obstack): New variable.
4382 (flow_firstobj): Likewise.
4383 (create_base_block): Use the flow_obstack.
4384 (split_block): Likewise.
4385 (split_edge): Likewise.
4386 (calculate_global_regs_live): Likewise.
4387 (allocate_bb_life_data): Make it static. Likewiwse.
4388 (init_flow): New function.
4389 (size_int_type_wide): Remove ggc_p conditionals.
4391 (push_function_context_to): Don't call save_tree_status.
4392 (pop_function_context_from): Or restore_tree_status.
4393 (assign_stack_local_1): Don't call push_obstacks.
4394 (find_fixup_replacement): Use xmalloc.
4395 (fixup_var_refs_insns): Free the storage.
4396 (insns_for_mem_walk): Don't mess with obstacks.
4397 (instantiate_decls): Likewise.
4398 (trampoline_address): Likewise.
4399 (expand_function_end): Likewise.
4400 * function.h (sturct function):
4401 Remove obstack-related variables.
4402 (save_tree_status): Don't declare.
4403 (restore_tree_status): Likewise.
4404 * gcse.c (compute_can_copy):
4405 Don't call oballoc/obfree.
4406 * genattrtab.c (operate_exp): Remove
4408 (simplify_cond): Likewise.
4409 (simplify_test_exp): Don't mess with obstacks.
4410 (optimize_attrs): Likewise.
4411 * gengenrtl.c (gendef): Don't include
4413 * ggc-callbacks.c (ggc_p): Remove.
4414 * ggc-none.c (ggc_p): Remove.
4415 * ggc.h (ggc_p): Don't declare.
4416 * integrate.c (save_for_inline): Don't mess with obstacks.
4417 (integrate_decl_tree): Likewise.
4418 (output_inline_function): Likewise.
4420 (init_EXPR_INSN_LIST_cache): Likewise.
4421 * loop.c (temp_obstack):
4423 (rtl_obstack): Likewise.
4424 (init_loop): Don't mess with obstacks.
4425 (reg_address_cost): Free BIVs and GIVs.
4426 (check_insns_for_bivs): Use xmalloc, not oballoc.
4427 (find_mem_givs): Likewise.
4428 (record_biv): Likewise.
4429 (general_induction_var): Likewise.
4430 (product_cheap_p): Likewse.
4431 * optabs.c (init_one_libfunc): Remove
4433 * print-tree.c (debug_tree): Don't use
4435 (print_node): Likewise.
4436 * profile.c (output_func_start_profiler):
4437 Remove call to temporary_allocation.
4439 (eliminate_regs_in_insn): Don't mess with obstacks.
4441 (mark_target_live_regs): Use xmalloc.
4442 (free_resource_info): Free the memory.
4443 * rtl.c (rtl_obstack):
4445 (rtvec_alloc): Don't mess with obstacks.
4446 (rtx_alloc): Likewise.
4448 (copy_rtx): Don't handle `b' cases.
4449 (read_rtx): Use a local rtl_obstack.
4450 * rtl.h (oballoc): Remove.
4452 (pop_obstacks): Likewise.
4453 (push_obstacks): Likewise.
4454 (allocate_bb_life_data): Likewise.
4455 (allocate_reg_life_data): Likewise.
4456 (rtx_free): Likewise.
4457 * sdbout.c (sdbout_queue_anonymous_type):
4458 Use tree_cons, not saveable_tree_cons.
4460 (cselib_init): Don't mess with obstacks.
4462 (mark_block_nesting): Mark the label_chain.
4463 (epxand_label): Use ggc_alloc, not oballoc.
4464 (clear_last_expr): Don't mess with obstacks.
4465 (expand_decl_cleanup): Likewise.
4466 (expand_dcc_cleanup): Likewise.
4467 (expand_dhc_cleanup): Likewise.
4468 (expand_anon_union_decl): Likewise.
4469 (add_case_node): Use xmalloc, not oballoc.
4470 (free_case_nodes): New function.
4471 (expand_end_case): Call it.
4472 * stor-layout.c (layout_type): Don't
4474 (layout_type): Likewise.
4475 * toplev.c (wrapup_global_declarations):
4477 (compile_file): Remove ggc_p conditionals.
4478 (rest_of_compilation): Call init_flow. Remove ggc_p conditionals.
4479 (decode_f_option): Remove ggc_p conditionals.
4481 (function_maybepermanent_obstack): Remove.
4482 (maybepermanent_obstack): Likewise.
4483 (function_obstack): Likewise.
4484 (tmeporary_obstack): Likewise.
4485 (momentary_obstack): Likewise.
4486 (temp_decl_obstack): Likewise.
4487 (saveable_obstack): Likewise.
4488 (rtl_obstack): Likewise.
4489 (current_obstack): Likewise.
4490 (expression_obstack): Likewise.
4491 (struct obstack_stack): Likewise.
4492 (obstack_stack): Likewise.
4493 (obstack_stack_obstack): Likewise.
4494 (maybepermanent_firstobj): Likewise.
4495 (temporary_firstobj): Likewise.
4496 (momentary_firstobj): Likewise.
4497 (temp_decl_firstobj): Likewise.
4498 (momentary_function_firstobj): Likewise.
4499 (all_types_permanent): Likewise.
4500 (struct momentary_level): Likewise.
4501 (momentary_stack): Likewise.
4502 (init_obstacks): Remove initialization of removed obstacks.
4503 (save_tree_status): Remove.
4504 (restore_tree_status): Likewise.
4505 (temporary_allocation): Liekwise.
4506 (end_temporary_allocation): Liekwise.
4507 (resume_temporary_allocation): Likewise.
4508 (saveable_allocation): Likewise.
4509 (push_obstacks): Likewise.
4510 (push_obstacks_nochange): Likewise.
4511 (pop_obstacks): Likewise.
4512 (allocation_temporary_p): Likewise.
4513 (permanent_allocation): Likewise.
4514 (preserve_data): Likewise.
4515 (preserve_initializer): Likewise.
4516 (rtl_in_current_obstack): Likewise.
4517 (rtl_in_saveable_obstack): Likewise.
4518 (oballoc): Likewise.
4520 (savealloc): Likewise.
4521 (expralloc): Likewise.
4522 (print_obstack_name): Likewise.
4523 (debug_obstack): Likewise.
4524 (object_permanent_p): Likewise.
4525 (push_momentary): Likewise.
4526 (perserve_momentary): Likewise.
4527 (clear_momentary): Likewise.
4528 (pop_momentary): Likewise.
4529 (pop_momentary_nofree): Likewise.
4530 (suspend_momentary): Likewise.
4531 (resume_momentary): Likewise.
4532 (make_node): Don't set TREE_PERMANENT.
4533 (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK.
4534 Don't set TREE_PERMANENT.
4535 (get_identifier): Remove ggc_p conditionals.
4536 (build_string): Likewise.
4537 (make_tree_vec): Likewise.
4538 (build_decl_list): Remove.
4539 (build_expr_list): Likewise.
4540 (tree_cons): Remove ggc_p conditionals.
4541 (decl_tree_cons): Remove.
4542 (expr_tree_cons): Likewise.
4543 (perm_tree_cons): Likewise.
4544 (temp_tree_cons): Likewise.
4545 (saveable_tree_cons): Likewise.
4546 (build1): Remove ggc_p conditionals.
4547 (build_parse_node): Likewise.
4548 (build_type_attribute_variant): Don't mess with obstacks.
4549 (build_type_copy): Likewise.
4550 (type_hash_canon): Likewise.
4551 (build_pointer_type): Likewise.
4552 (build_reference_type): Likewise.
4553 (build_index_type): Likewise.
4554 (build_range_type): Likewise.
4555 (dump_tree_statistics): Don't print obstack information.
4557 (struct tree_common): Remove permanent_flag.
4558 (TREE_PERMANENT): Remove.
4559 (TREE_SET_PERMANENT): Likewise.
4560 (TYPE_OBSTACK): Likewise.
4561 (struct tree_type): Remove obstack.
4563 (savealloc): Likewise.
4564 (build_decl_list): Likewise.
4565 (build_expr_list): Likewise.
4566 (perm_tree_cons): Likewise.
4567 (temp_tree_cons): Likewise.
4568 (saveable_tree_cons): Likewise.
4569 (decl_tree_cons): Likewise.
4570 (expr_tree_cons): Likewise.
4571 (suspend_momentary): Likewise.
4572 (allocation_temporary_p): Likewise.
4573 (resume_momentary): Likewise.
4574 (push_obstacks_nochange): Likewise.
4575 (permanent_allocation): Likewise.
4576 (push_momentary): Likewise.
4577 (clear_momentary): Likewise.
4578 (pop_momentary): Likewise.
4579 (end_temporary_allocation): Likewise.
4580 (pop_obstacks): Likewise.
4581 (push_obstacks): Likewise.
4582 (pop_momentary_nofree): LIkewise.
4583 (preserve_momentary): Likewise.
4584 (saveable_allocation): Likewise.
4585 (temporary_allocation): Likewise.
4586 (resume_temporary_allocation): Likewise.
4587 (perserve_initializer): Likewise.
4588 (debug_obstack): Likewise.
4589 (rtl_in_current_obstack): Likewise.
4590 (rtl_in_saveable_obstack): Likewise.
4592 * varasm.c (current_obstack): Remove.
4593 (saveable_obstack): Remove.
4594 (rtl_obstack): Remove.
4595 (immed_double_const): Don't mess with obstacks.
4596 (immed_real_cons): Likewise.
4597 (output_constant_def): Likewise.
4598 (init_varasm_status): Use xcalloc.
4599 (mark_pool_constant): Mark the pool constant itself.
4600 (free_varasm_status): Free memory.
4601 (decode_rtx_const): Call bzero directly, rather than expanding it
4603 (record_rtx_const): Don't mess with obstacks.
4604 (force_const_mem): Likewise.
4605 * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
4607 (aof_pic_entry): Likewise.
4608 * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
4609 * config/m32r/m32r.c (m32r_encode_section_info): Likewise.
4610 * config/pa/pa.c (saveable_obstack): Remove.
4611 (rtl_obstack): Likewise.
4612 (current_obstack): Likewise.
4613 (output_call): Don't mess with obstacks.
4614 (hppa_encode_label): Remove ggc_p conditionals.
4615 * config/romp/romp.c (get_symref): Don't mess with obstacks.
4616 * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
4617 (rs6000_encode_section_info): Likewise.
4618 * config/sh/sh.c (get_fpscr_rtx): Likewise.
4620 Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz>
4622 * i386.md (adddi3, subdi3 splitters): Update for new pattern.
4623 (addsi3_cc, addqi3_cc, subsi3_cc): Remove
4624 (addsi3_carry): Canonicalize.
4625 (addqi_5): Remove '*'.
4626 (sbb pattern): Canonicalize.
4628 * i386.md (cmp to inc/add peep2): New.
4630 2000-10-12 Richard Earnshaw <rearnsha@arm.com>
4632 * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for
4635 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
4637 * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK.
4638 * README.TRAD, TESTS.FLUNK: Remove.
4640 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
4642 * c-common.c (decl_attributes): Don't allow strftime formats with
4643 first_arg_num nonzero.
4644 (check_format_info): Set wanted_type and wanted_type_name to zero
4645 before they are possibly assigned and used.
4647 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
4649 * c-common.c (scanf_flag_specs): Add flags ' and I.
4650 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
4651 or the ^ and # flags together.
4652 (scan_char_table): Handle the ' and I flags.
4653 (format_types): Add ' and I flags for scanf.
4655 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
4657 * c-common.c (print_char_table): Use the unpromoted type for
4658 lengths "h" and "hh" with conversions dioxXu.
4659 (check_format_types): Apply the default argument promotions where
4660 the wanted type is not a pointer target.
4662 2000-10-11 Michael Meeks <mmeeks@gnu.org>
4663 Joseph S. Myers <jsm28@cam.ac.uk>
4665 * c-typeck.c (check_modify_expr): New function.
4666 (build_modify_expr): Call it if warn_sequence_point.
4667 * c-decl.c (warn_sequence_point): New variable.
4668 (c_decode_option): Handle -Wsequence-point and
4669 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
4670 * c-tree.h (warn_sequence_point): Declare.
4671 * invoke.texi (-Wsequence-point): Document.
4672 * toplev.c (documented_lang_options): Add -Wsequence-point and
4673 -Wno-sequence-point.
4674 Original work by Michael Meeks, 16 Jun 1998.
4676 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4678 * tree.c (get_narrower): Don't look at precision of field if
4681 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
4683 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
4684 declaration for data with "progmem" attribute.
4686 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
4688 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
4689 Correct insn length if shift count is a memory operand.
4690 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
4691 (*iorhi3_clobber): Change lo8 to hi8.
4692 (zero_extendhisi2): Change %B0 to %A1.
4693 (ashlhi3, ashrhi3): Correct insn length.
4694 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
4695 from "clobber" to "set_n" in some alternatives.
4697 2000-10-10 Jakub Jelinek <jakub@redhat.com>
4699 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
4700 remove its insn_chain structure as well.
4702 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4704 * dbxout.c (dbxout_source_line): Remove extra tab.
4706 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
4708 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
4710 2000-10-09 Richard Henderson <rth@cygnus.com>
4712 * Makefile.in (LANG_LIB2FUNCS): Remove.
4713 (LIB2FUNCS): Remove _pure.
4714 (LIB2ADD): Remove LANG_LIB2FUNCS.
4715 (stage_a): Don't set LANG_LIB2FUNCS.
4716 * libgcc2.c (__terminate): Mark noreturn.
4717 (__pure_virtual): Remove.
4718 * mklibgcc.in: Remove LIB2ADD .txt processing.
4720 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
4722 * arm.md (push_multi): Revert unintended change.
4724 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
4726 * arm.c: Miscellaneous white space and comment clean-ups. No
4730 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4732 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
4733 STRING_CST by calling combine_strings.
4735 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
4737 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
4738 (thumb_output_move_mem_multiple): Support new insn format.
4739 * arm.md (movmem12b): Use SSA compatible format.
4740 (movmem8b): Likewise.
4742 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
4744 * arm.md (predicable): New attribute, default to "no".
4745 (all patterns): Mark as predicable if appropriate.
4746 (conditional execution splits): Split using predication format.
4747 (define_cond_exec): Define.
4748 * arm.c (arm_print_operand): handle insn predicate.
4750 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4752 * README.NS32K: Remove file.
4754 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4756 * README-bugs: Remove file.
4758 2000-10-08 Philipp Thomas <pthomas@suse.de>
4759 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
4761 * configure: Rebuilt.
4763 2000-10-08 Philipp Thomas <pthomas@suse.de>
4764 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
4765 disable catalog building if no suitable program was found.
4766 Move warning message from here
4767 (AM_GNU_GETTEXT): To here.
4768 * configure: Rebuilt.
4770 2000-10-08 Philipp Thomas <pthomas@suse.de>
4771 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
4772 different cache variables.
4773 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
4774 uses different cache variables.
4775 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
4776 * configure: Regenerated.
4778 2000-10-08 Richard Henderson <rth@cygnus.com>
4780 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
4781 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
4782 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
4785 * config/t-linux (SHLIB_EXT): New.
4786 (SHLIB_LINK): Use the entire build command, with substitutions.
4787 (SHLIB_LIBS): Remove.
4788 * config/alpha/t-osf4: Likewise.
4789 * config/mips/t-iris6: Likewise.
4790 * config/sparc/t-sol2: Likewise, but move shlib stuff...
4791 * config/sparc/t-slibgcc-sld: ...here.
4792 * config/sparc/t-slibgcc: New file.
4794 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
4796 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
4797 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
4799 (intmax_type_node, uintmax_type_node): Define.
4800 * c-common.c (decl_attributes): If pedantic, warn if `mode'
4801 attributes create a type wider than intmax_t.
4802 (T_IM, T_UIM): Define properly.
4803 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
4805 (init_decl_processing): Initialize intmax_type_node and
4807 * c-lex.c (lex_number): When pedantic and warning for integer
4808 constants that are too large, in C99 mode warn for those that have
4809 a type wider than long long.
4811 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
4813 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
4814 FMT_FLAG_FANCY_PERCENT_OK): Define.
4815 (format_char_info): Add flag "4" to comment.
4816 (format_flag_spec, format_flag_pair): New structures.
4817 (format_kind_info): Add additional fields to control format
4819 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
4820 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
4822 (time_char_table): Use "4" flag to handle %Ey.
4823 (format_types): Add entries for new fields.
4824 (get_flag_spec): New function.
4825 (check_format_info): Increase size of flag_chars[] to 256.
4826 Control format checking using the new fields of a format_kind_info
4827 and the new tables; remove all conditionals on printf_format_type,
4828 scanf_format_type or strftime_format_type. Handle all details of
4829 bad combinations of flags (including width, precision and strftime
4830 modifiers) through data rather than ad hoc code. Handle all
4831 details of standard versions in which flags appeared through
4832 data. Use the "4" flag.
4834 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
4836 * config/h8300/h8300.md: Remove the memory alternative and correct
4837 the insn lengths in the templates for sign extention and zero
4840 2000-10-07 Richard Henderson <rth@cygnus.com>
4842 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
4843 * flow.c (make_edges): Revert last change.
4845 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
4847 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
4849 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
4851 * config/alpha/elf.h: Standardize the formatting.
4853 2000-10-06 David O'Brien <obrien@FreeBSD.org>
4855 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
4858 2000-10-06 Richard Henderson <rth@cygnus.com>
4860 * function.c (diddle_return_value): Examine
4861 current_function_return_rtx instead of the DECL_RESULT.
4862 (expand_function_end): Handle reloading DECL_RESULT from memory
4863 into a hard register. Query promote_mode for sign of mismatched
4866 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
4868 * haifa-sched.c (schedule_insns): Fix typo in freeing
4869 forward_dependency_cache.
4871 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
4873 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
4874 `TARGET_SH2' as a condition.
4876 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
4878 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
4879 forward_dependency_cache): New variables.
4880 (add_dependence, remove_dependence): Use anti_dependency_cache and
4881 output_dependency_cache.
4882 (compute_block_forward_dependences): Use forward_dependency_cache.
4883 (schedule_insns): Allocate and free memory for anti/output/forward
4884 dependencies caches.
4886 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
4888 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
4889 `! TARGET_SH1'. Reindent.
4891 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4893 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
4894 Move functions from here ...
4896 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
4898 (c_expand_builtin): New function.
4899 (init_function_format_info): Don't set `check_function_format_ptr'.
4900 (c_common_nodes_and_builtins): Set built_in_class type for
4901 printf/__builtin_printf to BUILT_IN_FRONTEND.
4902 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
4904 * c-common.h (build_function_call): Declare.
4906 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
4907 to `lang_expand_expr' rather than `expand_builtin'.
4909 * tree.c (check_function_format_ptr): Delete.
4911 * tree.h (check_function_format_ptr): Likewise.
4913 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
4915 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
4916 DW_OP_bregx when cfa->reg > 31.
4918 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
4921 2000-10-05 Richard Henderson <rth@cygnus.com>
4923 * c-decl.c (warn_missing_noreturn): Remove.
4924 (c_expand_body): Don't set or check can_reach_end.
4925 * c-tree.h (warn_missing_noreturn): Move ...
4926 * flags.h: ... here.
4927 (can_reach_end): Remove.
4928 * flow.c (check_function_return_warnings): New.
4929 (make_edges): No edge to exit for noreturn sibcalls.
4930 * function.c (expand_function_end): Save the return value
4931 clobber instruction.
4932 (mark_function_status): Mark it.
4933 * function.h (struct function): Add x_clobber_return_insn.
4934 * jump.c (can_reach_end): Remove.
4935 (calculate_can_reach_end): Remove.
4936 (jump_optimize_1): Don't call it.
4937 * output.h (check_function_return_warnings): Declare.
4938 * toplev.c (warn_missing_noreturn): Move from c-decl.c
4939 (rest_of_compilation): Call check_function_return_warnings.
4941 2000-10-05 Richard Henderson <rth@cygnus.com>
4943 * Makefile.in (NM_FOR_TARGET): New.
4944 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
4945 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
4946 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
4947 shared library build on that and EXTRA_MULTILIB_PARTS.
4948 * mkmap-flat.awk: New file.
4949 * mkmap-symver.awk: New file.
4950 * libgcc-std.ver: New file.
4951 * config/libgcc-glibc.ver: New file.
4952 * config/ia64/libgcc-ia64.ver: New file.
4953 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
4954 (SHLIB_LINK): Add --version-script.
4955 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
4956 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
4957 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
4958 (SHLIB_LINK): Add -M.
4960 2000-10-05 Richard Henderson <rth@cygnus.com>
4962 * Makefile.in (LIB2FUNCS): Add _clz.
4963 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
4964 (__clz_tab): Put in its own unit, non-static.
4965 * libgcc2.h: Always include longlong.h.
4967 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
4968 a zero instead of -1.
4969 (count_trailing_zeros): Likewise.
4971 2000-10-05 Richard Henderson <rth@cygnus.com>
4973 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
4974 when second op1 is const0_rtx. Validate op0 as a register.
4975 * config/alpha/alpha.md (setcc_internal): Don't allow constants
4976 in the first argument of the compare.
4977 (setcc_swapped_internal): Likewise.
4978 (setne_internal): Likewise.
4980 2000-10-05 Geoff Keating <geoffk@cygnus.com>
4982 * tree.c (tree_size): New function split out of copy_node.
4983 (make_node): Remove obstack handling. Use tree_size.
4984 (copy_node): Use tree_size.
4985 * tree.h: Prototype tree_size.
4987 2000-10-05 Richard Henderson <rth@cygnus.com>
4989 * diagnostic.c (output_format): Add missing break.
4991 2000-10-05 Jim Wilson <wilson@cygnus.com>
4993 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
4994 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
4995 sequence insn to INSN, and delete last sequence insn.
4997 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
4999 * gcc.c (main): Include generated configargs.h header
5000 and use arguments in '-v' output.
5002 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5004 * gcc.c: Move data on prefixes forward in file and reorganize.
5005 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
5006 Always define, but make null if no value.
5007 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
5008 and "md_startfile_prefix_1".
5009 (main): Check whether md_exec_prefix and the others are the
5010 null string rather than whether the macro is defined.
5012 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
5014 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
5015 from PSImode to SImode.
5017 2000-10-05 Jakub Jelinek <jakub@redhat.com>
5019 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
5020 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
5021 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
5024 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5026 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
5027 negation in proper type.a
5029 2000-10-04 Richard Henderson <rth@cygnus.com>
5031 * configure.in (enable-shared): New.
5032 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
5033 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
5034 * mklibgcc.in: Use them to link shared a libgcc.
5035 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
5036 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
5037 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
5038 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
5040 * configure.in (alpha-osf*): Use t-osf and x-osf.
5041 * config/alpha/t-osf: New file.
5042 * config/alpha/t-osf4: New file.
5043 * config/alpha/x-osf: New file.
5044 * config/alpha/x-alpha: Remove file.
5046 2000-10-04 Will Cohen <wcohen@redhat.com>
5048 * c-typeck.c (process_init_element): Added warning for zero-length
5051 * extend.texi (Zero Length): State that static initializers for
5052 zero-length arrays are not allowed.
5054 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
5056 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
5059 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5061 * config/float-c4x.h: New.
5062 * configure.in (c4x-*): Set float_format to c4x.
5063 * configure: Regenerate.
5065 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5067 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
5068 compilation for solaris versions 2.7 and greater.
5070 2000-10-02 Marc Espie <espie@openbsd.org>
5072 * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default,
5073 instead of redefining from scratch.
5075 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
5077 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
5079 2000-10-01 Mark Mitchell <mark@codesourcery.com>
5081 * config/ns32k/genix.h: Remove.
5082 * config/ns32k/x-genix: Likewise.
5083 * config/ns32k/xm-genix.h: Likewise.
5084 * config/fx80: Remove all filee in directory.
5085 * config/pyr: Likewise.
5086 * config/tahoe: Likewise.
5087 * config/gmicro: Likewise.
5088 * config/spur: Likewise.
5089 * configure.in: Remove configury bits for above targets.
5090 * configure: Regenerated.
5092 * configure.in: Don't configure chill by default.
5093 * configure: Regenerated.
5095 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
5096 (lang_mark_false_label_stack): Remove.
5097 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
5098 <top level> string in GC area.
5099 (mark_splay_tree_node): New function.
5100 (mark_splay_tree): Likewise.
5101 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
5103 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
5104 * ggc-common.c (lang_mark_false_label_stack): Change type.
5105 * ggc.h (ggc_alloc_string): Add comment.
5106 (ggc_strdup): New function.
5108 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
5110 * config/avr/avr.h (BRANCH_COST): Define as 0.
5112 * config/pdp11/pdp11.c: #include "tree.h" added.
5114 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
5116 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
5117 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
5118 with known shift count.
5119 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
5120 New alternative for shift count 2 with no scratch register.
5121 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
5122 "set_n" for shift counts 1 and 2.
5124 2000-09-30 Geoff Keating <geoffk@cygnus.com>
5126 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
5127 the mask value from the individual SET operations.
5128 (return_internal_si): Move the USE after the RETURN.
5129 (return_internal_di): Likewise.
5130 (return_and_restore_fpregs_si): Likewise.
5131 (return_and_restore_fpregs_di): Likewise.
5132 (return_eh_si): Likewise.
5133 (return_eh_di): Likewise.
5134 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
5136 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
5137 Don't generate a PARALLEL around a single operation movsi_to_cr.
5138 Generate the RETURN first in any PARALLELs.
5140 * rtlanal.c (single_set_1): Use fatal_insn to display the
5141 invalid insn. Check for more cases when a USE or CLOBBER occurs
5143 * Makefile.in: Update dependencies for rtlanal.o.
5145 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
5147 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
5149 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
5151 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
5152 Consistently use @email for formatting email addresses.
5154 2000-09-29 Richard Henderson <rth@cygnus.com>
5156 * cse.c (notreg_cost): New argument outer.
5157 (COST): Pass in SET to notreg_cost
5159 (fold_rtx): Use COST_IN. Prefer constants when costs
5162 2000-09-29 David Edelsohn <edelsohn@gnu.org>
5164 * fixinc/inclhack.def (broken_cabs): Generalize regex.
5165 * fixinc/fixincl.x: Regenerate.
5167 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5169 * loop.c (check_final_value): A GIV is not replaceable if used
5172 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
5174 * version.c: Bump to gcc-2.97.
5176 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
5178 * final.c (final_scan_insn): Remove extra extract_insn call;
5179 Use caching for constrain_operands.
5180 (cleanup_subreg_operands): Use caching for extract_insn.
5181 * recog.c (constrain_operands_cached): New.
5182 * recog.h (constrain_operands_cached): Declare.
5183 * i386.c (ix86_attr_length_immediate_default,
5184 ix86_attr_length_address_default, ix86_agi_dependant): Cache
5187 * recog.c (asm_noperands): Tweak.
5188 (extract_insn): Do not call asm_noperads for non-asm instructions.
5190 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
5192 * recog.c (recog_memoized): Rename to recog_memoized_1.
5193 * recog.h (recog_memoized): Rename to recog_memoized_1.
5194 (recog_memoized): New macro.
5195 * rtl.h (single_set): Rename to single_set_1
5196 (single_set): New macro.
5197 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
5200 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
5201 Do not use match_dup of input operands at outputs.
5202 Use register_operand for memory expression.
5203 (rep_movsi): Put use last, canonicalize.
5204 Use register_operand for memory expression.
5205 (rep_movqi): Put use last.
5206 Use register_operand for memory expression.
5207 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
5208 of input operands at outputs. Use register_operand for memory
5210 (rep_stossi): Put use last; canonicalize; fix match_dup in
5211 the address expression
5212 (rep_stosqi): Likewise.
5213 (memcmp expander): Update calls.
5214 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
5217 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
5219 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
5221 2000-09-28 David O'Brien <obrien@FreeBSD.org>
5223 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
5224 Contains the old contents of config/i386/freebsd.h
5225 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
5226 Contains the old contents of config/i386/freebsd-elf.h
5227 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
5228 config/i386/freebsd.h.
5229 * configure.in: Adjust for above changes.
5230 * po/POTFILES.in: Likewise.
5231 * po/en_GB.po: Likewise.
5232 * po/gcc.pot: Likewise.
5233 * configure: Rebuilt.
5235 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5237 * doloop.c (doloop_modify): Prevent delete_insn() from
5238 deleting too much. Prefer loop->top over loop->start as
5239 target for the new JUMP insn.
5240 (doloop_valid_p): Ignore loop with exit_count != 0.
5242 2000-09-28 Philipp Thomas <pthomas@suse.de>
5244 * invoke.texi (i386 Options): Add athlon to table of possible
5247 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
5249 * diagnostic.h (output_clear_message_text): New function.
5250 (output_message_text): New macro.
5252 * diagnostic.c (clear_text_info): Rename to
5253 output_clear_message_text.
5254 (output_clear): Adjust.
5255 (output_finish): Rename to output_finalize_message. Tweek.
5256 (output_to_stream): Adjust.
5258 2000-09-28 Neil Booth <neilb@earthling.net>
5260 * cpperror.c (_cpp_begin_message): Do the test for suppression
5261 of warnings and pedantic warnings before the "is a warning an
5263 * cppinit.c (cpp_handle_option): Remove surplus \n.
5264 * cpplex.c (ON_REST_ARG): Delete.
5265 (skip_block_comment): Initialise prevc.
5266 (parse_args): Improve error messages.
5267 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
5269 * cpplib.c (cpp_push_buffer): Fix grammar in message.
5270 * cppmain.c (main): Set callbacks for #ident and #pragma
5271 only if no_output option is false.
5272 (do_pragma_implementation): Only call the #pragma handler
5273 if it is set in the cpp_reader structure.
5275 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
5277 * integrate.c (copy_insn_list): if an ignored return value
5278 is being clobbered, skip cloning that into the inline copy.
5280 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
5282 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
5283 use @uref for formatting URLs.
5285 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
5287 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
5290 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
5292 * gcc.c (cpp_options): Add spec for -ftabstop=.
5293 (invoke_as): New spec that handles invoking as.
5294 Update specs to handle -save-temps and -traditional.
5295 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
5297 * cp/lang-specs.h, objc/lang-specs.h: Update to use
5298 invoke_as, and handle -save-temps and -traditional (if
5301 2000-09-26 Jakub Jelinek <jakub@redhat.com>
5303 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
5305 (function_arg_slotno): Accept TImode/CTImode.
5306 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
5309 2000-09-26 Michael Hayes <mhayes@cygnus.com>
5311 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
5314 2000-09-25 Jim Wilson <wilson@cygnus.com>
5316 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
5317 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
5318 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
5319 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
5321 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
5323 * cpplex.c (parse_args): Don't set VOID_REST flag.
5324 (CONTEXT_VARARGS): New flag.
5325 (maybe_paste_with_next): Set context earlier in loop. Use
5326 it. Do varargs test with CONTEXT_VARARGS flag.
5327 (push_arg_context): Set CONTEXT_VARARGS flag if we're
5328 pushing an argument context for a varargs argument.
5329 * cpplib.h (VOID_REST): Delete.
5330 * gcc.dg/cpp/vararg1.c: Add test case.
5332 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
5334 * flags.h: Declare warning flag warn_system_headers.
5335 * toplev.c: Define it.
5336 (W_options): Add option -Wsystem-headers.
5337 * diagnostic.c (count_error): Test warn_system_headers.
5338 * invoke.texi: Add description for -Wsystem-headers.
5339 * cpplib.h (cpp_options): New member warn_system_headers.
5340 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
5341 CPP_IN_SYSTEM_HEADER.
5342 * cpplib.c (do_import, do_pragma_once): Likewise.
5343 * cpperror.c (_cpp_begin_message): Test warn_system_headers
5344 and CPP_IN_SYSTEM_HEADER.
5345 * cppinit.c (handle_option): Recognize -Wsystem_headers.
5346 (print_help): Describe -Wsystem_headers.
5347 * cpplex.c (lex_line): Reorganize condition so that warnings
5348 about C++ comments in system headers can be enabled. Remove
5349 label do_line_comment.
5351 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
5353 * cpplex.c (save_comment): Only store the initial '/'
5355 (lex_token): Combine handling of the two comment types.
5356 Pass everything but the initial '/' to save_comment.
5358 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
5360 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
5361 _cpp_can_paste): New library-internal prototypes.
5362 * cpplex.c (dump_param_spelling, output_line_command,
5363 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
5364 cpp_printf, cpp_output_list): Move to cppoutput.c.
5365 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
5366 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
5368 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
5369 dump_param_spelling, output_line_command, cpp_scan_buffer,
5370 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
5372 * Makefile.in: Add cppoutput.c.
5373 * po/POTFILES.in: Add cppoutput.c.
5375 2000-09-25 Richard Henderson <rth@cygnus.com>
5377 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
5378 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
5379 split until after reload.
5380 (rotlsi3, rotldi3): New.
5382 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
5384 * diagnostic.c (output_last_position): Define.
5385 (set_real_maximum_length): Tweek.
5386 * diagnostic.h (output_last_position): Declare.
5388 2000-09-25 Kazu Hirata <kazu@hxi.com>
5390 * config/i386/i386.c: Fix formatting.
5392 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
5394 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
5395 UNITS_PER_WORD is small.
5397 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
5399 * c-common.c (format_char_info): Add flags2; update comments.
5400 (print_char_table, scan_char_table, time_char_table): Split some
5401 flags out into flags2.
5402 (check_format_info): Use flags2 for those flags, for identifying
5403 the initial character of a scanf scanset, and for identifying
5404 printf formats where the '0' flag is ignored with precision.
5406 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
5408 Changes below marked "here" add TABs on either or both sides,
5409 covering start of line, up to any operand for all noted .*ASM.*_OP
5410 definitions. All callers changed.
5411 * tm.texi: Make documented *_ASM.*_OP:s include spacing
5412 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
5413 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
5414 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
5415 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
5416 Fix typos in description for LONG_LONG_TYPE_SIZE and
5417 FINI_SECTION_ASM_OP.
5418 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
5419 why these defaults don't have leading spacing.
5420 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
5421 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
5422 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
5423 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
5424 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
5425 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
5426 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
5427 * varasm.c (ASM_STABS_OP): Here.
5428 * xcoffout.h (ASM_STABS_OP): Here.
5429 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
5430 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
5431 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
5432 STRING_ASM_OP): Here.
5433 * config/freebsd.h (IDENT_ASM_OP): Here.
5434 * config/linux-aout.h (SET_ASM_OP): Here.
5435 * config/linux.h (SET_ASM_OP): Here.
5436 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
5438 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
5439 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
5440 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
5441 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
5443 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
5444 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
5445 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
5446 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
5447 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
5448 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5449 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
5450 * config/a29k/udi.h (INT_ASM_OP): Here.
5451 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
5452 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
5454 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
5455 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5456 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
5457 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
5458 ASM_STABD_OP): Here.
5459 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
5460 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
5461 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
5462 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
5463 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
5464 SIZE_ASM_OP, STRING_ASM_OP): Here.
5465 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
5466 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
5467 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
5468 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
5469 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
5470 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
5472 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5473 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
5474 * config/arm/coff.h (INT_ASM_OP): Here.
5475 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
5476 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
5477 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
5478 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
5479 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
5480 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5481 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
5482 STRING_ASM_OP): Here. Update documentation copy in comments.
5483 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
5484 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
5485 DATA_SECTION_ASM_OP): Here.
5486 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
5488 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
5489 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
5490 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5491 BSS_SECTION_ASM_OP): Here.
5492 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5493 BSS_SECTION_ASM_OP): Here.
5494 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5496 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
5497 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
5498 * config/h8300/h8300.h (ASM_WORD_OP): Here.
5499 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5500 BSS_SECTION_ASM_OP): Here.
5501 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
5502 * config/i386/bsd.h (ASM_BYTE_OP): Here.
5503 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
5504 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
5505 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
5507 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
5508 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
5510 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
5511 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
5512 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
5513 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
5515 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
5516 * config/i386/netbsd.h (INT_ASM_OP): Here.
5517 * config/i386/openbsd.h (INT_ASM_OP): Here.
5518 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
5519 IDENT_ASM_OP): Here.
5520 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
5521 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
5522 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
5523 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
5524 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
5525 SHARED_BSS_SECTION_ASM_OP): Here.
5526 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
5527 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
5528 DATA_SECTION_ASM_OP): Here.
5529 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5530 CONST_SECTION_ASM_OP): Here.
5531 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
5532 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5533 BSS_SECTION_ASM_OP): Here.
5534 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
5535 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
5536 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
5537 BSS_ASM_OP): Here, but use trailing spaces.
5538 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
5539 DATA_SECTION_ASM_OP): Here.
5540 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
5542 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
5543 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
5544 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
5545 TDESC_SECTION_ASM_OP): Here.
5546 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
5547 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
5548 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5550 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5551 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
5552 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
5553 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
5554 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
5555 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
5556 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
5557 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
5558 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
5559 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
5560 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
5561 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
5563 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
5564 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
5565 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
5566 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
5567 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
5568 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
5569 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
5570 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5571 GLOBAL_ASM_OP): Here.
5572 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
5573 BSS_SECTION_ASM_OP): Here.
5574 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
5575 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5576 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
5577 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
5579 * config/m68k/newsgas.h (SET_ASM_OP): Here.
5580 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
5581 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
5582 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
5583 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
5584 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
5585 but use trailing spaces.
5586 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
5587 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
5588 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
5590 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
5591 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
5592 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5593 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
5594 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5595 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
5596 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
5597 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
5598 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
5599 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
5600 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
5601 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
5603 * config/m88k/openbsd.h (SET_ASM_OP): Here.
5604 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5605 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
5606 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
5607 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
5608 DTORS_SECTION_ASM_OP): Here.
5609 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
5610 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
5611 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
5612 BSS_SECTION_ASM_OP): Here.
5613 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
5614 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
5615 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
5616 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
5617 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
5618 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
5619 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
5620 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
5622 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
5624 * config/mips/osfrose.h (SET_ASM_OP): Here.
5625 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
5626 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
5627 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
5628 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5630 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
5631 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
5632 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
5633 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
5634 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
5635 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5637 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5639 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
5640 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
5641 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
5643 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
5644 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
5645 * config/sparc/linux.h (COMMON_ASM_OP): Here.
5646 * config/sparc/linux64.h (COMMON_ASM_OP,
5647 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
5648 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
5649 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
5650 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
5651 * config/sparc/pbd.h (ASM_INT_OP): Here.
5652 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
5653 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
5654 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
5655 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
5656 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
5657 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
5658 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
5659 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
5660 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
5661 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
5662 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
5663 EH_FRAME_SECTION_ASM_OP): Here.
5664 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
5665 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5667 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5669 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
5670 TCOMMON_ASM_OP): Here.
5671 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
5673 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
5676 2000-09-25 Richard Henderson <rth@cygnus.com>
5678 * expmed.c (store_bit_field): Adjust last change to not consider
5679 any word-sized field naturally aligned.
5681 2000-09-24 Richard Henderson <rth@cygnus.com>
5683 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
5684 TFmode unordered compares properly. Revalidate integer compare
5686 (alpha_emit_setcc): New.
5687 (alpha_emit_conditional_move): Revalidate integer compare operands.
5688 * config/alpha/alpha-protos.h: Update.
5689 * config/alpha/alpha.md (cmpdi): Allow general operands.
5690 (sne): Use alpha_emit_setcc.
5691 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
5692 (sunordered, sordered): New.
5694 2000-09-24 Richard Henderson <rth@cygnus.com>
5696 * config/ia64/ia64-protos.h: Update.
5697 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
5698 (ia64_expand_call): New.
5699 (ia64_expand_prologue): Emit an alloc if we need extra input
5701 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
5702 instruction if true.
5703 (struct reg_flags): Add is_sibcall.
5704 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
5705 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
5706 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
5707 * config/ia64/ia64.h (PREDICATE_CODES): Update.
5708 * config/ia64/ia64.md (call): Use ia64_expand_call.
5709 (call_value): Likewise.
5710 (sibcall, sibcall_value): New.
5711 (call patterns): Remove extra expanders; tidy.
5712 (sibcall_epilogue): New.
5713 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
5715 2000-09-24 Richard Henderson <rth@cygnus.com>
5717 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
5719 * sibcall.c (skip_pic_restore): New.
5720 (identify_call_return_value): Use it.
5722 2000-09-24 Mark Mitchell <mark@codesourcery.com>
5724 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
5725 functions. Generalize to handle both C and C++.
5726 * Makefile.in (c-tree.info): New target.
5727 (info): Add c-tree.info.
5729 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5731 * expr.c (store_field): If BITSIZE is negative, use size of type.
5732 (expand_expr, case COMPONENT_EXPR): Likewise.
5734 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
5736 * cpplex.c: Update TODO comment.
5737 * cpplib.c (do_error, do_warning): Merge common code of
5738 do_error and do_warning into do_diagnostic. Use it.
5739 (do_diagnostic): New function.
5740 * cpplib.h: Fix comment typo.
5742 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
5744 * c-common.c (check_format_info): Warn for a wide character string
5745 used as a non-wide format argument.
5747 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
5749 * builtins.def (BUILT_IN_LLABS): Add.
5750 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
5751 * c-common.c (c_common_nodes_builtins): Create builtin functions
5752 __builtin_llabs, and plain llabs unless no_nonansi_builtins
5753 outside of C99 mode.
5754 (expand_tree_builtin): Handle BUILT_IN_LLABS.
5756 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
5758 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
5759 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
5760 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
5761 _cpp_free_toklist): No need to worry about extra dummy token
5762 at the start of token lists any more.
5763 (trigraph_ok): Only warn outside comments.
5764 (skip_block_comment): Set and clear lexing_comment.
5765 (skip_line_comment): Take a cpp_reader not cpp_buffer.
5766 Set and clear lexing_comment.
5767 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
5768 (check_long_token): Delete.
5769 (lex_percent, lex_dot): New subroutines of lex_token to
5770 handle lexing of '.' and '%' without lookback.
5771 (lex_token): Use lex_dot and lex_percent.
5772 (lex_line): Don't check for LIST_OFFSET.
5773 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
5774 * cpplib.c (_cpp_parse_assertion): Similarly.
5775 (cpp_push_buffer): Initialize extra_char.
5776 * cpplib.h (LIST_OFFSET): Delete.
5777 (struct cpp_buffer): New member extra_char.
5778 (struct lexer_state): New members lexing_comment and seen_dot.
5780 2000-09-23 Jason Merrill <jason@redhat.com>
5782 * config/rs6000/x-aix41 (CLIB): Define here.
5783 * config/rs6000/t-aix43: Not here.
5784 * config/rs6000/t-aix41: Or here. Remove.
5785 * configure.in: Don't use it.
5787 2000-09-22 Jason Merrill <jason@redhat.com>
5789 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
5790 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
5791 * config.in: Regenerate.
5793 * configure.in: Fix checks for assembler features when using a
5794 one-tree assembler that has not yet been built.
5795 Fix --disable-threads.
5797 2000-09-19 Geoff Keating <geoffk@cygnus.com>
5799 * stmt.c (expand_asm_operands): Allow # in constraints.
5801 2000-09-22 Jason Merrill <jason@redhat.com>
5803 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
5805 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
5806 function-local names.
5808 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
5809 Mark Mitchell <mark@codesourcery.com>
5811 * toplev.c (warn_disabled_optimization): Declare new warning flag.
5812 * flags.h (warn_disabled_optimization): Add it here.
5813 * gcse.c (gcse_main): Add warning when disabled.
5814 * invoke.texi: Document -Wdisabled-optimization.
5816 2000-09-21 Jason Merrill <jason@redhat.com>
5818 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
5820 * dwarf2out.c (tree_add_const_value_attribute): New fn.
5821 (gen_variable_die): Call it for non-definitions.
5823 * dwarf2out.c (die_struct): Add die_mark field.
5824 (mark_dies, unmark_dies): New fns.
5825 (clear_die_sizes): Remove.
5826 (print_die): Check die_symbol rather than die_offset.
5827 (build_abbrev_table, output_pubnames, output_aranges): Check
5828 die_mark rather than die_offset.
5829 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
5832 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
5834 * cppfiles.c (lookup_include_file): Rename to open_file.
5835 Always create a splay tree value, even on syscall failures.
5836 Negative entries indicated by fd == -2.
5837 Re-open files closed in the meantime.
5838 (_cpp_fake_include): Create a negative splay tree entry.
5839 (find_include_file, cpp_read_file): Update for function name
5841 * gcc.gd/cpp/mi4.c: Testcase.
5843 2000-09-21 Nick Clifton <nickc@redhat.com>
5845 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
5846 ARM and THUMB modes.
5848 * config/mcore/mcore.c: Fix compile time warnings.
5849 * config/mcore/mcore-protos.h: Fix compile time warnings.
5851 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5853 * configure.in: Correct test of gcc_cv_glibc.
5854 * configure: Rebuilt.
5855 * config.in: Rebuilt.
5857 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5859 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
5860 (expand_builtin): Handle BUILT_IN_FWRITE.
5862 * builtins.def (BUILT_IN_FWRITE): New entry.
5864 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
5866 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5868 * gcc.c (modify_target): New variable and struct.
5869 (process_command): Handle MODIFY_TARGET_NAME.
5870 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
5871 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
5873 * c-decl.c (finish_decl): Add else's to avoid referencing
5874 TYPE_DOMAIN of an ERROR_MARK.
5876 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
5878 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
5881 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
5883 * config/avr/avr.md (neghi2): Add alternative for input and output
5884 operands in different registers, as in negsi2.
5885 (*negsi2): Remove '*' from the name. Use "movw" if available.
5887 2000-09-19 Jim Wilson <wilson@cygnus.com>
5889 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
5890 HAVE_GAS_HIDDEN macro.
5892 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
5894 * cpplex.c (lex_line): Drop the EOF token for unknown
5895 directives in assembler.
5897 2000-09-19 David Edelsohn <edelsohn@gnu.org>
5899 * configure.in: Allow enable_threads_flag value of "aix". Define
5900 thread_file as "aix" for AIX 4.3 and above.
5901 * configure: Regenerated.
5903 * gthr-aix.h: New file.
5905 * rs6000/t-aix43: Replace soft-float multilib with pthread.
5906 Remove 403 processor multilib match. Fix rios2 processor multilib
5909 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
5910 to return to appropriate csect.
5912 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5914 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
5916 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
5917 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
5920 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
5923 * c-common.c (init_function_format_info): Handle __builtin_printf.
5924 Set `check_function_format_ptr'.
5925 (c_common_nodes_and_builtins): Set `puts_ftype' and
5926 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
5927 __builtin_printf and printf.
5929 * tree.c, tree.h (check_function_format_ptr): Declare.
5931 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
5933 * cppfiles.c (read_include_file): Take no special action for
5936 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
5938 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
5939 rather than that of branch.
5940 (shorten_branches): Don't increment insn_current_address twice.
5942 Undo most of the Wed Jan 27 23:39:53 1999 patch:
5943 * loop.h (struct induction): Delete members derived, ix and last_use.
5944 (struct loop_ivs): Delete members first_increment_giv and
5946 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
5947 recombine_givs): Delete functions.
5948 (find_and_verify_loops): Don't initialize cont_dominator.
5949 (strength_reduce): Lose code to try to find bivs that can be
5950 expressed as givs of another biv, and to convert biv increments
5952 Lose loop_scan_start variable, always use loop->scan_start.
5953 Don't call recombine_givs. Don't handle derived givs.
5954 (record_giv): Don't initialize derived and last_use fields.
5955 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
5957 * unroll.c (derived_regs): Delete static variable.
5958 (unroll_loop): Don't initialize it.
5959 (copy_loop_body): Lose code to handle derived givs.
5960 (find_splittable_givs): Don't check for givs made from biv
5962 Don't set derived_regs.
5964 Fix misapplied earlier patch:
5965 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
5967 (floatsisf2): Generate floatsisf_ie by default.
5968 (floatsisf_i4): Conditional on TARGET_SH4.
5970 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
5971 predicate for the expanders.
5973 2000-09-19 Richard Henderson <rth@cygnus.com>
5975 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
5976 in addition to pentium and pentiumpro symbols.
5977 (CPP_CPU_DEFAULT_SPEC): Likewise.
5979 * c-typeck.c (c_expand_asm_operands): Restore the output tree
5982 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
5983 if the tree has side effects.
5984 (warn_if_unused_value): Do not warn about void constructs.
5986 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
5988 * unroll.c (copy_loop_body): Update LABEL_NUSES before
5989 calling invert_jump.
5991 2000-09-18 Geoff Keating <geoffk@cygnus.com>
5993 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
5996 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5998 * Makefile.in (c-common.o): Depend on diagnostic.h.
6000 * c-common.c: Include diagnostic.h.
6002 (status_warning): New function.
6003 (check_format_info, maybe_read_dollar_number, check_format_types,
6004 finish_dollar_format_checking, check_function_format): Accept a
6005 `status' parameter. All callers changed.
6007 * c-common.h (check_function_format): Accept a `status' parameter.
6009 * c-typeck.c: Update call to `check_function_format'.
6011 2000-09-18 Richard Henderson <rth@cygnus.com>
6013 * c-decl.c (c_expand_body): Call mark_varargs before
6014 expand_function_start.
6016 2000-09-18 Geoff Keating <geoffk@cygnus.com>
6018 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
6019 * config/rs6000/eabi-ci.asm: Likewise.
6021 2000-09-18 Richard Henderson <rth@cygnus.com>
6023 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
6026 2000-09-18 Jim Wilson <wilson@cygnus.com>
6028 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
6029 before passing it to fold_rtx_mult_add.
6031 * unroll.c (final_giv_value): Pass increment through
6032 extend_value_for_giv before passing it to emit_iv_add_mult.
6034 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
6035 paradoxical subreg, then directly substitute the replacement and
6038 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
6040 * cpp.texi: Update documentation, including some clarifications,
6041 the treatment of various newline combinations, and space between
6042 backslash and newline.
6044 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
6046 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
6047 Replace ASM_OUTPUT_LABELREF with assemble_name.
6049 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
6051 * sh.c (addsubcosts): CONST is not cheap.
6052 (find_barrier): For Sh1, take alignment after jumps into account.
6054 2000-09-15 Andrew Haley <aph@redhat.com>
6056 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
6057 remove all SETs of SUBREGs of hard registers.
6058 * function.c (purge_hard_subreg_sets): New function.
6059 (purge_single_hard_subreg_set): New function.
6060 * rtl.h: (purge_hard_subreg_sets): New function.
6062 2000-09-18 Richard Henderson <rth@cygnus.com>
6064 * config/ia64/ia64-protos.h: Update.
6065 * config/ia64/ia64.c (signed_inequality_operator): New.
6066 (ia64_expand_compare): New.
6067 (ia64_register_move_cost): Handle PR_REGS moves.
6068 (ia64_secondary_reload_class): Require a GR when moving to a PR.
6069 (struct reg_write_state): Add written_by_and/or.
6070 (struct reg_flags): Add is_and/or.
6071 (rws_update): Set them.
6072 (rws_access_regno): Test them to allow parallel comparisons.
6073 (rtx_needs_barrier): Recognize parallel comparisons.
6074 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
6075 Call recog_memoized; ignore pred_rel_mutex.
6076 (emit_predicate_relation_info): Don't call find_basic_blocks here.
6077 (ia64_reorg): Do it here instead.
6078 * config/ia64/ia64.h: s/CCmode/BImode/g
6079 (MODES_TIEABLE_P): Don't tie BImode.
6080 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
6081 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
6082 (RTX_COSTS): Make multiply 4 insns.
6083 (MEMORY_MOVE_COST): New.
6084 (PREDICATE_CODES): Update.
6085 * config/ia64/ia64.md: s/CCmode/BImode/g
6086 (movcci, movbi): New.
6087 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
6088 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
6089 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
6090 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
6091 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
6092 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
6093 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
6094 (mulsi, muldi): Use xmpy not xma.
6096 (movcc, movcc_internal): Remove.
6097 (branch expanders): Use ia64_expand_compare.
6098 (setcc expanders): Likewise.
6099 (cmov insns): Use move_operand and ia64_move_ok.
6100 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
6101 scheduler from moving it past a use.
6102 * config/ia64/build.hacks: Remove.
6104 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
6106 * cpphash.h (HASHSTEP): Take character rather than pointer
6108 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
6110 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
6112 * cpplex.c (auto_expand_name_space, trigraph_replace,
6113 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
6114 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
6115 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
6116 KNOWN_DIRECTIVE): Delete.
6118 (handle_newline, check_long_token, skip_escaped_newlines,
6119 unterminated): New functions.
6120 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
6122 (parse_identifier): Was parse_name, new implementation.
6123 (skip_line_comment, skip_block_comment, skip_whitespace,
6124 parse_number, parse_string, trigraph_ok, save_comment,
6125 adjust_column, _cpp_get_line): New implementations.
6127 (lex_token): New function. Lexes a token at a time, looking
6128 forwards. Contains most of the guts of the old lex_line.
6129 (lex_line): New implementation, using lex_token to obtain
6131 (cpp_scan_buffer): Use the token's line, not the list's line.
6133 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
6134 New implementations.
6135 (do_assert): Don't bother setting the answer's list's line.
6136 (cpp_push_buffer): Initialise new pfile and read_ahead members
6137 of struct cpp_buffer.
6139 * cpplib.h (cppchar_t): New typedef.
6140 (struct cpp_buffer): read_ahead, pfile and col_adjust are
6142 (struct lexer_state): New structure that determines the state
6143 and behaviour of the lexer.
6144 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
6145 (struct cpp_reader): New member "state". Rename
6146 multiline_string_line and multiline_string_column. Delete
6147 col_adjust, in_lex_line members.
6148 (CPP_BUF_COLUMN): Update.
6150 2000-09-18 Richard Henderson <rth@cygnus.com>
6152 * combine.c (simplify_comparison): Shift a NOT out of a single
6155 * combine.c (if_then_else_cond): Canonicalize BImode true to
6157 * explow.c (trunc_int_for_mode): Likewise.
6159 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
6160 the NOT for De Morgan's rule.
6161 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
6162 of a comparison to the reverse comparison.
6164 * combine.c (try_combine): Allow split to create a single insn.
6166 * machmode.def: Add BImode. Add a column for bitsize.
6167 * machmode.h (DEF_MACHMODE): Adjust for extra column.
6168 (GET_MODE_BITSIZE): Use it.
6169 * rtl.c (DEF_MACHMODE): Adjust for extra column.
6170 (mode_bitsize): New.
6171 (mode_mask_array): Use bitsize.
6172 * combine.c (combine_simplify_rtx): Require inner and outer
6173 modes to match on nonzero_bits optimizations.
6175 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
6177 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
6178 its entry in spill_reg_store.
6179 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
6180 * sh.c (reg_no_subreg_operand): New function.
6181 * sh-protos.h (reg_no_subreg_operand): Declare it.
6182 * sh.h (PREDICATE_CODES): Add it.
6183 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
6184 input operand that needs to be in fpul.
6185 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
6186 * sh.c (find_barrier): Take into account that machine_dependent_reorg
6187 might add new insns.
6189 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
6191 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
6193 (sh_expand_epilogue): Take the PIC register into account when
6194 computing the frame size.
6196 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
6197 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
6198 LABEL_REFs with a PIC-safe unspec.
6200 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
6202 * c-common.c (check_format_info): Properly save the argument
6203 number and parameter for $ operand number formats in case width
6204 and precision arguments are also used. Allow printf width and
6205 precision arguments to have operand numbers even if none was
6206 specified for the main format, since this is OK for %*.*m. Only
6207 object to missing $ operand number if the format used requires an
6210 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
6212 * c-common.c (format_char_info): Add 'W' flag to comment.
6213 (print_char_table, scan_char_table): Use it.
6214 (check_format_info): Use the 'W' flag to determine whether a
6215 format argument is written into.
6217 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
6219 * c-common.c (check_format_types): Reorganise and clean up,
6220 checking earlier for ERROR_MARKs and making cur_type into its
6221 TYPE_MAIN_VARIANT where convenient.
6223 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
6225 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
6227 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
6229 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
6231 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
6232 * i386.c (struct builtin_description): New.
6233 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
6234 (mmx_reg_operand): Declare MODE arg as unused.
6235 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
6236 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
6237 ix86_expand_binop_builtin, ix86_expand_store_builtin,
6238 ix86_init_builtins, ix86_expand_builtin): New functions.
6239 * i386.h (ix86_builtins): New enumeration.
6240 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
6241 * i386.md (attr length_immediate): 0 for mmx/sse types.
6242 (attr prefix_0f): 1 for mmx/sse types.
6243 (setcc_2): Remove "*" so we get gen_setcc_2.
6244 (emms): Account for changed register numbering. Set "memory" attr
6246 (sfence): Set "memory" attr to unknown.
6248 2000-09-18 Andreas Jaeger <aj@suse.de>
6250 * configure.in: Define _GNU_SOURCE only when using the GNU C
6252 * configure: Regenerated.
6253 * config.in: Regenerated.
6255 2000-09-17 Mark Mitchell <mark@codesourcery.com>
6257 * cppinit.c (cpp_init): Don't use ANSI prototypes.
6258 * flow.c (flow_dump_loop): Likewise.
6259 (flow_loops_dump): Likewise.
6261 * c-typeck.c (c_start_case): Fix typo.
6263 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
6265 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
6266 to int for plain complex which defaults to complex double. Do
6267 warn about defaulting to complex double if pedantic. Warn about
6268 complex integer types if pedantic. Warn about complex types if
6269 pedantic and not in C99 mode.
6270 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
6271 for complex conjugation.
6273 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
6275 * contrib.texi: Update my entry.
6277 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
6279 * config/avr/avr.md (mcu_enhanced): New attribute.
6280 (mcu_mega): Likewise.
6281 (extendhisi2): Use mcu_enhanced.
6282 (zero_extendhisi2): Likewise.
6283 (call_insn): Use mcu_enhanced and mcu_mega.
6284 (call_value_insn): Likewise.
6285 (*sbrx_branch): Use mcu_mega.
6286 (*sbrx_and_branchsi): Likewise.
6287 (*sbrx_and_branchhi): Likewise.
6288 (*tablejump_lib): Likewise.
6290 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6292 * alias.c (true_dependence): Allow non-unchanging read to conflict
6293 with unchanging write.
6295 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
6296 (store_constructor): Pass alias_set to it.
6298 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
6299 TYPE_MAIN_VARIANT of ERROR_MARK.
6300 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
6302 * simplify-rtx.c (simplify_unary_operation): Add cases
6303 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
6305 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
6307 * expr.h (emit_library_call, emit_library_call_value): Delete
6309 * rtl.h (enum libcall_type): New.
6310 (emit_library_call, emit_library_call_value): Change fn_type arg to
6311 be of type enum libcall_type.
6312 * calls.c: Likewise for the function definitions. Several callers
6313 throughout changed to use the new enumeration appropriately.
6314 (emit_library_call_value_1): Likewise. Put back code to make libcall
6315 blocks of equal form, but only use it for the two new higher
6318 2000-09-16 Mark Mitchell <mark@codesourcery.com>
6320 Convert the C front-end to use function-at-a-time mode.
6321 * c-common.h: Include splay-tree.h.
6322 (C_DECLARED_LABEL_FLAG): New macro.
6323 (struct language_function): Add x_scope_stmt_stack and
6324 x_function_name_declared_p.
6325 (RECHAIN_STMTS): Move definition.
6326 (lang_statment_code_p): Likewise.
6327 (lang_expand_stmt): Likewise.
6328 (lang_expand_decl_stmt): New variable.
6329 (lang_expand_function_end): Likewise.
6330 (current_scope_stmt_stack): New function.
6331 (add_decl_stmt): Likewise.
6332 (add_scope_stmt): Likewise.
6333 (mark_stmt_tree): Likewise.
6334 (struct c_lang_decl): New structure.
6335 (DECL_SAVED_TREE): Define.
6336 (c_mark_lang_decl): New function.
6337 (c_expand_start_cond): Change prototype.
6338 (c_finish_then): New function.
6339 (c_finish_else): Likewise.
6340 (current_function_name_declared): Remove.
6341 (set_current_function_name_declared): Likewise.
6342 (mark_c_language_function): Declare.
6343 (case_compare): Likewise.
6344 (c_add_case_label): Likewise.
6345 (c_expand_expr): Likewise.
6346 (c_safe_from_p): Likewise.
6347 * c-common.c (lang_expand_function_end): New variable.
6348 (struct if_elt): Add if_stmt.
6349 (c_expand_start_cond): Add the if-statement to the statement-tree,
6350 rather than generating RTL.
6351 (c_finish_then): New function.
6352 (c_expand_start_else): Don't generate RTL.
6353 (c_finish_else): New function.
6354 (c_expand_expr_stmt): Don't generate RTL.
6355 (statement_code_p): Add SCOPE_STMT.
6356 (case_compare): New function.
6357 (c_add_case_label): Likewise.
6358 (mark_stmt_tree): Likewise.
6359 (c_mark_lang_decl): Likewise.
6360 (mark_c_language_function): Likewise.
6361 (c_expand_expr): Likewise.
6362 (c_safe_from_p): Likewise.
6363 * c-decl.c (c_stmt_tree): New variable
6364 (c_scope_stmt_stack): Likewise.
6365 (c_function_name_declared_p): Likewise.
6366 (lang_expand_expr_stmt): Remove.
6367 (poplevel): Don't call output_inline_function for nested
6369 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
6371 (redeclaration_error_message): Change means of computing whether
6372 or not a function is nested.
6373 (lookup_label): Don't call label_rtx.
6374 (init_decl_processing): Add more GC roots.
6375 (start_decl): Add DECL_STMTs to the statement-tree, rather than
6376 calling rest_of_decl_compilation.
6377 (finish_decl): Don't call expand_decl.
6378 (store_parm_decls): Begin the statement-tree, but don't generate
6380 (finish_function): Tie off the statement-tree. Call c_expand_body
6382 (c_expand_body): New function.
6383 (push_c_function_context): Save more information.
6384 (pop_c_function_contxt): Likewise.
6385 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
6386 (lang_mark_tree): Mark it.
6387 (current_stmt_tree): Adjust.
6388 (current_scope_stmt_stack): New function.
6390 (set_current_name_declared): Likewise.
6391 (c_begin_compound_stmt): Define.
6392 (c_expand_decl_stmt): Likewise.
6393 * c-lang.c: Include rtl.h and expr.h.
6394 (lang_init): Set more language-specific hooks.
6395 * c-lex.c: Include expr.h.
6396 * c-parse.in: Changes throughout to add statements to the
6397 statement-tree, rather than generating RTL after every statement.
6398 * c-semantics.c (lang_expand_decl_stmt): Define.
6399 (add_decl_stmt): New function.
6400 (add_scope_stmt): Likewise.
6401 (finish_stmt_tree): Tweak.
6402 (genrtl_expr_stmt): Likewise.
6403 (genrtl_decl_stmt): Handle local labels, and call
6404 lang_expand_decl_stmt if required.
6405 (genrtl_for_stmt): Fix line-number handling.
6406 (genrtl_case_label): Handle cleanups.
6407 (genrtl_asm_stmt): Don't call combine_strings.
6408 (genrtl_compound_stmt): Simplify.
6409 (expand_stmt): Handle SCOPE_STMTs.
6410 * c-tree.h (struct lang_decl): New structure.
6411 (C_DECLARED_LABEL_FLAG): Remove.
6412 (c_begin_compound_stmt): Declare.
6413 (c_expand_decl_stmt): Likewise.
6414 (c_expand_start_case): Rename to c_start_case.
6415 (c_finish_case): New function.
6416 * c-typeck.c (start_init): Tweak setting of
6417 constructor_incremental.
6418 (c_expand_asm_operands): Tweak error-handling. Add to the
6420 (c_expand_return): Add to the statement-tree.
6421 (c_expand_start_case): Rename to ...
6422 (c_start_case): ... this.
6423 (struct c_switch): New type.
6424 (switch_stack): New variable.
6425 (do_case): Simplify.
6426 (c_finish_case): New function.
6427 * dependence.c: Include expr.h.
6428 (enum dependence_type): Change spelling of enumerals.
6429 (check_node_dependence): Adjust.
6430 * expr.h (lang_safe_from_p): Declare.
6431 (safe_from_p): Likewise.
6432 * expr.c (lang_safe_from_p): New variable.
6433 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
6434 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
6435 * toplev.c (rest_of_decl_compilation): Robustify.
6436 * tree.c (contains_placeholder_p): Likewise.
6437 * Makefile.in: Update dependencies.
6438 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
6439 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
6440 (objc_expand_function_end): New function.
6441 (finish_method_def): Use it.
6442 (init_objc): Initialize more language-specific hooks.
6443 * objc/Make-lang.in: Update dependencies.
6445 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
6447 * configure.in: Define macros that affect features before
6448 testing for features. Don't define _XOPEN_SOURCE.
6449 * configure: Regenerated.
6450 * config.in: Regenerated.
6452 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
6454 * rtlanal.c (rtx_varies_p): Volatile asms vary.
6455 (rtx_unstable_p): Restructure code. Volatile asms
6458 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6460 * function.h (no_debugging_symbols): New field.
6461 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
6462 Initialize no_debugging_symbols.
6463 (output_inline_function): Save and restore write_symbols and set from
6464 no_debugging_symbols.
6465 * toplev.c (rest_of_compilation): Call save_for_inline.
6466 * tree.h: Update comment.
6468 * stor-layout.c (place_field): Don't do anything if field or
6469 its type are ERROR_MARK.
6471 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
6473 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
6474 (read_include_file): Ensure inc->mmaped is initialized.
6476 2000-09-16 Richard Henderson <rth@cygnus.com>
6478 * cppiles.c (purge_cache): Use PTR not caddr_t.
6480 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
6482 * gcc.c: In description for %{<S}, say the option removed is -S.
6483 * invoke.texi (Spec Files): Ditto.
6485 2000-09-16 Andreas Jaeger <aj@suse.de>
6487 * configure.in: Always define _GNU_SOURCE to make interfaces
6488 visible that were hidden by only defining _GNU_SOURCE.
6489 * configure: Regenerated.
6491 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
6493 * cpplex.c (push_macro_context): Set an argument's level after
6494 calling parse_args. We could loop infinitely otherwise.
6496 2000-09-15 Tom Tromey <tromey@cygnus.com>
6498 * configure, config.in: Rebuilt.
6499 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
6501 2000-09-15 Greg McGary <greg@mcgary.org>
6503 * cppmacro.c (check_trad_stringification): Check token
6504 text pointers against limit before dereferencing.
6506 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
6508 * c-common.c (format_wanted_type): New structure.
6509 (check_format_types): New function.
6510 (check_format_info): Pass all checking of types of format
6511 arguments, including width and precision arguments, to this new
6514 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6516 * BUGS: Remove file.
6518 2000-09-15 Jakub Jelinek <jakub@redhat.com>
6520 * config/alpha/alpha.c (override_options): ev6 cache latencies
6521 from Richard Henderson. Don't allow -mmemory-latency=L0.
6523 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
6524 (TARGET_OPTIONS): Add tune=.
6525 (alpha_tune_string): Declare.
6526 * config/alpha/alpha.c (override_options): Add cpu_table.
6527 Use alpha_cpu_string first to set both alpha_cpu and target_flags
6528 and then alpha_tune_string to set alpha_cpu only.
6529 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
6530 * config/alpha/elf.h (ASM_FILE_START): Likewise.
6531 * config/alpha/osf.h (ASM_FILE_START): Likewise.
6532 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
6534 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
6536 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
6538 (ix86_comparison_operator, ix86_cc_mode): Declare
6539 * i386.h (CCGC, CCGCO): New modes.
6540 (SELECT_CC_MODE): Move offline to ....
6541 * i386.c (ix86_cc_mode): .... here; use new modes.
6542 (ix86_comparison_operator): New.
6543 (fcmov_comparison_operator): Ensure proper mode.
6544 (put_condition_mode): More sanity checking.
6545 (ix86_match_ccmode): Handle new modes.
6546 (ix86_expand_fp_compare): GEU requires CCmode.
6547 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
6549 * i386.md (cmp?i_ccz_1): Remove
6550 (cmp?i_ccno_1): Use ix86_match_ccmode.
6551 (cmp?i_minus_1): New.
6552 (cmpsi_1): New expander.
6553 (cmpqi_ext_1): Use match_ccmode
6554 (cmpqi_ext_3): New expander.
6555 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
6556 (cmpqi_ext_4): Use match_ccmode.
6557 (add?i_?): Use match_ccmode.
6559 (test?i_ccz_1): Remove
6561 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
6562 (testqi_ext_0): Use ix86_match_ccmode.
6563 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
6564 (xorqi_cc_ext_1): New expander.
6565 (shift patterns): Use CCGOCmode for all shifts except for sar.
6566 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
6567 (setcc_3, jcc_3, miv?icc_c): Remove.
6569 2000-09-15 Will Cohen <wcohen@redhat.com>
6571 * dwarf2out.c (add_const_value_attribute): Changed array into a
6572 xmalloced object, so it exists after function exit.
6573 (free_AT): Added case for dw_val_class_float to free allocated
6576 2000-09-15 Kazu Hirata <kazu@hxi.com>
6578 * config/i386/i386.md: Fix a comment typo.
6579 * gcc.c: Fix formatting.
6581 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
6583 * optabs.c (emit_libcall_block): If target is a user variable,
6584 copy to a temporary first.
6585 * expr.c (convert_move): When generating a libcall, make a libcall
6587 * calls.c (emit_library_call_value_1): Don't create a libcall
6588 sequence here; our caller will in most cases do it.
6590 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
6592 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
6593 * sh.md (reload_outsf): Generate recognizable patterns for
6595 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
6596 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
6597 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
6598 truncdfsf2_i4): Change not to use explicit references to fpul.
6599 (floatsisf2_ie): Remove USE of fpscr.
6600 (floatsisf2): Change default expansion to match this.
6601 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
6604 2000-09-15 Richard Henderson <rth@cygnus.com>
6606 * expmed.c (store_bit_field): Consider naturally aligned
6607 memory for direct reference.
6609 2000-09-15 Richard Henderson <rth@cygnus.com>
6611 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
6612 AND addresses into alias set 0.
6613 (alpha_expand_unaligned_store): Likewise.
6614 (alpha_expand_unaligned_load_words): Likewise.
6615 (alpha_expand_unaligned_store_words): Likewise.
6617 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
6619 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
6620 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
6622 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
6623 rsize of UNITS_PER_WORD.
6625 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
6627 * cpplex.c (ON_REST_ARG): Correct the test.
6628 (maybe_paste_with_next): Duplicate a token that fail pasting,
6629 and clear its PASTE_LEFT flag, so that nested pasting attempts
6632 2000-09-14 Richard Henderson <rth@cygnus.com>
6634 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
6635 * cse.c (rtx_cost): Likewise.
6636 * optabls.c (expand_binop): Likewise.
6637 (expand_twoval_binop, prepare_cmp_insn): Likewise.
6638 * regclass.c (copy_cost): Likewise.
6639 * reload1.c (reload_cse_move2add): Likewise.
6641 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
6643 * c-parse.in (reswords): Add _Complex.
6645 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6647 * gcc.1: Delete documentation for -undef preprocessor option.
6649 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
6651 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
6652 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
6653 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
6654 Remove undefine before config/elfos.h.
6655 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
6657 2000-09-14 Kazu Hirata <kazu@hxi.com>
6659 * invoke.texi (H8/300 Options): Add -ms2600.
6660 * config/h8300.c (h8300_init_once): Output an error when -ms2600
6661 is used without -ms.
6662 * config/h8300.h (TARGET_MAC): New.
6663 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
6664 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
6665 machine other than H8/S2600.
6666 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
6669 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
6671 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
6672 pseudos that refer to the original pseudos, not only to their
6673 equivalent memory locations.
6675 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6677 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
6678 when making new MEM.
6680 * Makefile.in (LN): Remove duplicate definition.
6682 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
6684 From Joern Rennecke:
6685 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
6686 on an insn and function_invariant_p returns nonzero for the source,
6687 add a REG_EQUAL note.
6689 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
6691 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
6692 conflict with frame_pointer_rtx.
6694 2000-09-13 Kazu Hirata <kazu@hxi.com>
6696 * loop.c: Fix formatting.
6699 2000-09-13 Richard Henderson <rth@cygnus.com>
6701 * config/ia64/ia64.md (divsf3): New.
6702 (divsf3_internal_lat, divsf3_internal_thr): New.
6703 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
6704 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
6705 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
6706 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
6707 (nmadddf4_alts, nmadddf4_trunc): New.
6708 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
6709 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
6710 (multf3_truncsf_alts, multf3_truncdf_alts): New.
6711 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
6712 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
6713 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
6714 (nmaddtf4_truncdf_alts): New.
6715 (recip_approx): Don't predicate.
6717 2000-09-13 Richard Henderson <rth@cygnus.com>
6719 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
6721 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6723 * flags.h (flag_dump_rtl_in_asm): Declare.
6724 * toplev.c (flag_dump_rtl_in_asm): Define.
6725 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
6726 if -dP is specified.
6727 * rtl.h (print_rtx_head): Declare.
6728 * print-rtl.c (print_rtx_head): Define.
6729 (print_rtx): Print the string pointed to by print_rtx_head
6730 at beginning of each dump line.
6731 (print_rtl): Likewise.
6732 (print_rtl_single): Likewise.
6733 * final.c (final_scan_insn): Dump the insn in the assembly
6735 * gcc.1: Document -dP option.
6736 * invoke.texi (Debugging Options): Likewise.
6738 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6740 * md.texi (Machine Constraints): Document the 68HC11 constraints.
6741 * install.texi (Configurations): Document the 68HC11&68HC12 port.
6742 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
6744 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
6746 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
6747 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
6748 (*clrstrqi): Likewise.
6749 (xorhi3,xorsi3,absqi2): Likewise.
6750 (one_cmplhi2,one_cmplsi2): Likewise.
6751 (addsi3): Two stupid constraint alternatives removed.
6752 (extendhisi2): Use `movw' for enhanced avr cores.
6753 (zero_extendhisi2): Likewise.
6755 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
6757 * alias.c (find_base_term): Use frame_pointer_rtx
6758 when handling an ADDRESSOF.
6760 * cse.c (canon_hash): Handle USE of BLKmode memory.
6761 (cse_insn): Outgoing arguments for a libcall don't
6762 affect any recorded expressions.
6764 2000-09-12 Tom Tromey <tromey@cygnus.com>
6766 * configure, config.in: Rebuilt.
6767 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
6769 2000-09-12 Jakub Jelinek <jakub@redhat.com>
6771 * c-lex.c (lex_string): Use charwidth to compute bytemask.
6772 * expr.c (expand_expr): Don't optimize constant array references
6773 initialized with wide string constants.
6775 2000-09-13 Michael Hayes <mhayes@cygnus.com>
6777 * loop.c (note_set_pseudo_multiple_uses): Correct.
6779 2000-09-12 Jim Wilson <wilson@cygnus.com>
6781 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
6782 else block, and X has side-effects, then fail.
6784 2000-09-12 Greg McGary <greg@mcgary.org>
6786 * config/mips/mips-protos.h
6787 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
6788 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
6789 (PREDICATE_CODES): Add "trap_cmp_op".
6790 * config/mips/mips.c
6791 (trap_cmp_op, mips_gen_conditional_trap): New functions.
6792 * config/mips/mips.md (trap, conditional_trap): New patterns.
6794 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
6796 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
6799 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6801 * builtins.c (built_in_decls): New array.
6802 (expand_builtin_fputs): New function.
6803 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
6805 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
6807 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
6809 * tree.h (built_in_decls): New array.
6811 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
6813 * convex.md: Use "+" instead of "=" for outputs wrapped in a
6815 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
6817 2000-09-12 Kazu Hirata <kazu@hxi.com>
6819 * haifa-sched.c: Fix formatting.
6821 * genattrtab.c: Fix formatting.
6823 * unroll.c: Fix formatting.
6825 2000-09-12 Bruce Korb <bkorb@gnu.org>
6827 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
6828 remove obsolete code
6829 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
6830 * fixinc/fixincl.tpl: make non-exported arrays static scope
6831 * fixinc/fixincl.x: regenerate
6832 * fixinc/fixlib.h: Use PARAMS, not _P_
6833 * fixinc/fixtests.c: make a type for the test proc & use it
6834 * fixinc/server.h: Use PARAMS, not _P_
6836 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6838 * c-typeck.c (process_init_element): Avoid union init warnings on
6839 floating point zero. Don't crash on unions containing structs.
6841 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
6843 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
6844 general_movsrc_operand, and remove CONST_INT from
6845 general_movdst_operand.
6847 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
6849 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
6850 if a reference to non-fixed hardreg is seen. Otherwise, count hard
6851 regs with a higher cost.
6852 (preferrable): Deal with cases where either cost or regcost is
6854 (cse_insn): Use MAX_COST rather than 10000. Always initialize
6856 (COSTS_N_INSNS): Move definition...
6858 (MAX_COST): New macro.
6859 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
6862 2000-09-11 Mark Mitchell <mark@codesourcery.com>
6864 * c-common.h (genrtl_clear_out_block): Remove.
6865 * c-semantics.c (genrtl_clear_out_block): Remove.
6866 (genrtl_while_stmt): Don't call it.
6867 (genrtl_for_stmt): Likewise.
6869 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
6871 * cppfiles.c: Move all default-#defines to top of file.
6872 (open_include_file): Replace by lookup_include_file.
6873 (read_with_read, read_file): Merged into read_include_file.
6874 (stack_include_file, purge_cache): New functions.
6875 (close_cached_fd): Delete.
6876 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
6877 Cache the in-memory buffer, not the file descriptor.
6879 * cpphash.h (struct include_file): Add buffer, st, refcnt,
6881 (xcnew): New utility macro.
6882 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
6883 * cpplib.h (struct cpp_buffer): Remove mapped field.
6885 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
6887 * cpplex.c (parse_string): Accept backslash space newline as a
6889 (lex_line): Likewise.
6890 (_cpp_get_token): Remove hard limit on macro nesting.
6892 2000-09-12 Philipp Thomas <pthomas@suse.de>
6894 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
6895 * configure: Rebuilt.
6897 2000-09-13 Michael Hayes <mhayes@cygnus.com>
6899 * flow.c (split_block): Fix update of registers live at
6902 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
6904 * i386.md (add?i_3, add?i_5): New.
6905 (add?i_4): Rename from add?i_3; Fix compare pattern.
6906 (sub?i_3, xor?i_3, ior?i_3): New.
6908 * genrecog.c (write_tree): Output code to clear insn_extract cache.
6909 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
6910 instead of extract_insn and extract_constrain_insn_cache instead of
6911 extract_insn and constrain_operands.
6912 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
6914 (extract_insn): Clear which_alternative.
6915 (constrain_operands): Set which_alternative to -1 when failed.
6916 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
6919 2000-09-11 Matthew Hiller <hiller@redhat.com>
6921 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
6922 on operand 0 to '+'.
6923 (movstricthi): Likewise.
6925 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6927 * loop.h (LOOP_IVS): New macro.
6928 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
6929 (struct loop_ivs): New.
6930 (struct loop_info): Add ivs field.
6931 (reg_iv_type, reg_iv_info): Delete prototype.
6932 (reg_biv_class, loop_iv_list): Likewise.
6933 * loop.c (record_biv, find_life_end): Pass loop argument.
6934 (reg_iv_type): Remove global array and use
6935 field in loop_regs structure within loop_ivs structure.
6936 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
6937 (first_increment_giv, last_increment_giv): Use entry in
6939 (record_initial): Pass ivs pointer.
6940 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
6942 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6944 * loop.h (LOOP_REGS): New macro.
6945 (struct loop_regs): New.
6946 (struct loop_info): Add regs field.
6947 * loop.c (set_in_loop): Remove global array and store
6948 in loop_regs structure as part of loop_info structure.
6949 (n_times_set, may_not_optimize): Likewise.
6950 (reg_single_usage, moved_once): Likewise.
6951 (count_one_set): Add regs argument.
6952 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
6953 (set_pseudo_multiple_uses): Pass regs pointer.
6955 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6957 * unroll.c (iteration_info): Subsume into loop_iterations.
6958 * loop.h (loop_info): New field iv.
6960 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6962 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
6963 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
6964 (flow_loops_update): New prototype.
6965 (flow_loops_find): Add flags to prototype.
6966 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
6967 * flow.c (flow_loop_pre_header_scan): New.
6968 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
6969 (flow_loop_free): Free pre-header root and trace and exit dominators.
6970 (flow_loops_find): New argument flags.
6971 (flow_loops_update): New function.
6972 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
6974 2000-09-12 Michael Hayes <mhayes@cygnus.com>
6976 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
6977 * flow.c (split_block, update_bb_for_insn): New functions.
6979 2000-09-11 Richard Henderson <rth@cygnus.com>
6981 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
6983 2000-09-11 Richard Henderson <rth@cygnus.com>
6985 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
6986 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
6987 (ia64_override_options): Prevent optimizing division for both
6988 latency and throughput.
6989 (rtx_needs_barrier): Handle frcpa.
6990 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
6991 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
6992 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
6993 (TARGET_SWITCHES): Add -minline-divide-min-latency and
6994 -minline-divide-max-throughput.
6995 (PREDICATE_CODES): Update.
6996 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
6997 (zero_extendsidi2): Likewise. Fix typo in f case insn.
6998 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
6999 (extendsftf2): Likewise.
7000 (extenddftf2): Likewise.
7001 (fix_trunctfdi2_alts): New.
7002 (fixuns_trunctfdi2_alts): New.
7003 (madd*4): Rename from madd*3.
7004 (divsi3, modsi3, udivsi3, umodsi3): New.
7005 (divsi3_internal): New.
7006 (divdi3, moddi3, udivdi3, umoddi3): New.
7007 (divdi3_internal_lat, divdi3_internal_thr): New.
7008 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
7009 (recip_approx): New.
7011 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
7013 * print-rtl.c (debug_call_placeholder_verbose): New variable.
7014 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
7016 * integrate.c (copy_rtx_and_substitute): Don't share
7017 LEAF_REG_REMAPpable registers with the inlined function. Don't
7018 share the function value with calling sequences.
7020 2000-09-11 Jakub Jelinek <jakub@redhat.com>
7022 * c-decl.c (do_case): Fix a typo.
7024 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
7025 to a if the comparison is floating mode and not -ffast-math.
7026 * simplify-rtx.c (simplify_ternary_operation): Likewise.
7028 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
7030 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
7031 gen_ic_invalidate_line.
7033 2000-09-11 Philip Blundell <pb@futuretv.com>
7035 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
7037 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
7039 * install.texi (LANGUAGES): Update to include new languages.
7042 2000-09-11 DJ Delorie <dj@redhat.com>
7044 * gcc.c (main): Don't warn about unused -B prefixes
7045 (unused_prefix_warnings): remove
7047 2000-09-11 Kazu Hirata <kazu@hxi.com>
7049 * final.c: Fix formatting.
7051 * integrate.c: Fix formatting.
7053 2000-09-11 Geoff Keating <geoffk@cygnus.com>
7055 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
7057 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
7059 * reload.c (regno_clobbered_p): Fix thinko in previous change.
7061 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7063 * gcc.1: Document 68hc11 specific options.
7065 2000-09-10 Geoff Keating <geoffk@cygnus.com>
7067 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
7068 (TARGET_LONG_DOUBLE_128): Define.
7069 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
7070 (LONG_DOUBLE_TYPE_SIZE): Redefine.
7071 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
7072 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
7073 of __LONG_DOUBLE_128__.
7074 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
7076 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
7077 (CPP_SYSV_DEFAULT_SPEC): Define.
7078 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
7079 (INIT_TARGET_OPTABS): Define.
7081 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
7082 (RS6000_UITRUNC): Likewise.
7083 (INIT_TARGET_OPTABS): New macro.
7084 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
7085 (trunc_defined): Delete.
7086 (output_prolog): Don't output .extern definitions for fp->int
7087 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
7088 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
7089 (trunc_defined): Delete.
7090 (RS6000_ITRUNC): Moved to aix.h.
7091 (RS6000_UITRUNC): Likewise.
7092 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
7093 only emit a libcall.
7094 (fixuns_truncdfsi2): Delete.
7095 (trunc_call): Delete.
7096 (trunc_call_rtl): Delete.
7098 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
7100 * varasm.c (make_decl_rtl): Restore leading star on
7101 DECL_ASSEMBLER_NAME set for decls with an asmspec.
7103 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
7105 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
7106 won't give a spurious error for '#pragma pack()'. Simplify
7107 control flow for readability. 'reset' action is not necessary.
7109 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
7111 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
7112 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
7113 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
7114 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
7116 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
7117 profile.c, sdbout.c, tradcif.y, tree.c:
7118 Include defaults.h if not already included.
7119 Don't define the above macros.
7121 * Makefile.in: Update dependencies.
7123 2000-09-10 Mark Mitchell <mark@codesourcery.com>
7125 * c-common.h (add_stmt): Change prototype.
7126 (RECHAIN_STMTS): New macro.
7127 (CASE_LABEL_DECL): Likewise.
7128 (genrtl_case_label): Change prototype.
7129 (c_expand_start_case): Remove prototype.
7130 (build_case_label): Change prototype.
7131 (decl_constant_value): Declare.
7132 * c-common.c (check_case_value): Handle C++'s extensions to C
7134 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
7136 * c-parse.in (stmt): Adjust handling of return statements and case
7138 * c-semantics.c (add_stmt): Return the new statement.
7139 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
7140 returned expression. Directly generate RTL, rather than calling
7142 (genrtl_switch_stmt): Don't call c_expand_start_case.
7143 (build_case_label): Take the LABEL_DECL as input, too.
7144 (genrtl_case_label): Just call add_case_node.
7145 (expand_stmt): Adjust calls to genrtl_return_stmt and
7147 * c-tree.h (c_expand_start_case): Declare.
7148 * c-typeck.c (decl_constant_value): Give it external linkage.
7149 (c_expand_return): Don't call expand_return or expand_null_return;
7150 use genrtl_return_stmt instead.
7151 * stmt.c (struct nesting): Remove num_ranges field.
7152 (add_case_node): Give it external linkage.
7153 (expand_start_case): Don't set num_ranges.
7154 (expand_start_case_dummy): Don't clear it.
7155 (pushcase): Rely on add_case_node to handle `default' labels.
7156 (add_case_node): Handle `default' labels.
7157 * tree.c (tree_int_cst_compare): New function.
7158 * tree.h (tree_int_cst_compare): Declare.
7159 (add_case_node): Likewise.
7161 2000-09-10 Richard Henderson <rth@cygnus.com>
7163 * c-parse.in: Revert last change.
7164 (init_reswords): Do not enter disabled keywords into the ridpointers
7165 table, modulo objc weirdness.
7166 (_yylex): Return the canonical spelling for a keyword.
7168 2000-09-10 Philip Blundell <philb@gnu.org>
7170 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
7171 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
7173 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
7175 * alias.c (find_base_term): Handle ADDRESSOF.
7176 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
7178 2000-09-10 Denis Chertykov <denisc@overta.ru>
7180 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
7181 outputting templates with many lines.
7183 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7185 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
7186 to decide whether 64-bit support must be generated.
7188 2000-09-10 Richard Henderson <rth@cygnus.com>
7190 * c-parse.in (asm patterns): Fix volatile check.
7192 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7194 * cppmacro.c (check_trad_stringification): New function.
7195 (save_expansion): If -Wtraditional, warn about stringification of
7198 2000-09-11 Michael Hayes <mhayes@cygnus.com>
7200 * loop.h (struct loop_mem_info): Move from loop.c
7201 (struct loop_info): Add fields store_mems, mems, mems_idx,
7202 mems_allocated, unknown_address_altered,
7203 unknown_constant_address_altered, num_mem_sets, and
7204 first_loop_store_insn.
7206 * loop.c (loop_store_mems): Replace with field in loop_info struct.
7207 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
7208 (unknown_address_altered, unknown_constant_address_altered): Likewise.
7209 (num_mem_sets): Likewise.
7210 (replace_loop_mems, replace_loop_regs): New.
7211 (struct loop_replace_args): New.
7212 (load_mems): Use replace_loop_mems.
7213 (try_copy_prop): Use replace_loop_regs.
7214 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
7216 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7218 * configure.in: Recognize m6811-elf and m6812-elf.
7219 * configure: Regenerate.
7221 2000-09-09 Geoff Keating <geoffk@cygnus.com>
7223 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
7226 2000-09-10 Michael Hayes <mhayes@cygnus.com>
7228 * loop.c (struct movables): New.
7229 (num_movables): Move into struct movables.
7230 (the_movables): Change type to struct movables.
7231 (ignore_some_movables): Change struct movable arg to struct movables.
7232 (force_movables, combine_movables, regs_match_p): Likewise.
7233 (rtx_equal_for_loop_p, move_movables): Likewise.
7234 (scan_loop): Change movables to be of type struct movables.
7235 Replace last_movable with field in movables structure.
7237 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
7239 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
7240 (init_pragma): Avoid warning if pfile happens to be unused.
7241 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
7242 define init_pragma to nothing. Always prototype
7243 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
7245 * c-lex.c (process_directive): Always call dispatch_pragma.
7246 Initialize entering_c_header to 0.
7248 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7250 * config/m68hc11/m68hc11.md: New file, machine description for
7252 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
7253 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
7254 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
7255 * config/m68hc11/m68hc11-protos.h: New file.
7256 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
7257 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
7258 * config/m68hc11/xm-m68hc11.h: New file, target defs.
7259 * config/m68hc11/larith.asm: New file, libgcc routines.
7261 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7263 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
7264 (FPBIT_FUNCS): Add _usi_to_sf.
7265 * config/fp-bit.c (usi_to_float): New function.
7266 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
7267 (usi_to_float): Add appropriate #define.
7269 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
7271 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
7273 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
7274 * i386.md (attr "type"): Add sse and mmx types.
7275 (attr "memory"): Handle them without a crash.
7276 (movsi_1, movdi_2): Allow MMX regs.
7277 (movdi splits): Don't split moves involving MMX regs.
7278 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
7279 (movv4sf_internal, movv4si_internal, movv8qi_internal,
7280 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
7281 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
7282 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
7283 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
7284 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
7285 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
7286 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
7287 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
7288 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
7289 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
7290 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
7291 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
7292 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
7293 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
7294 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
7295 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
7296 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
7297 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
7298 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
7299 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
7300 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
7301 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
7302 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
7303 mmx_clrdi): New patterns.
7305 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
7307 * arm.c: Don't include tm.h directly.
7309 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
7311 * recog.c (validate_replace_rtx_1): Fix confusion about equality
7312 testing; simplify subregs of constants and nested subregs.
7314 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
7316 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
7318 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
7320 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
7322 * rtl.texi (description of USE): Add note about possible pitfalls
7324 From Richard Henderson:
7325 * reload1.c (choose_reload_regs): Compute need_mode properly.
7327 2000-09-07 Richard Henderson <rth@cygnus.com>
7329 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
7330 (__modsi3, __umodsi3): Likewise.
7331 (__udivsi3): Likewise. Normalize the TFmode values.
7333 2000-09-07 Geoff Keating <geoffk@cygnus.com>
7335 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
7337 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
7340 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
7342 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
7343 (cmpeqdi_t): Add output pattern.
7344 (cmpeqdi_t+1): Don't split when not optimizing.
7345 Restore proper splitting operation.
7347 2000-09-07 Richard Henderson <rth@cygnus.com>
7349 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
7350 do not call dispatch_pragma.
7352 2000-09-07 Jim Wilson <wilson@cygnus.com>
7354 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
7355 to CLASS_CANNOT_CHANGE_MODE.
7356 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
7357 mode classes are different.
7359 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
7361 * cpplib.h (struct cpp_options): Add user_label_prefix member,
7362 left out of commit which removed cppulp.c.
7364 2000-09-07 Richard Henderson <rth@cygnus.com>
7366 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
7367 after switch for CASE_DROPS_THROUGH.
7369 2000-09-07 Richard Henderson <rth@cygnus.com>
7371 * loop.c (strength_reduce): Call check_ext_dependant_givs.
7372 Properly extend the biv initial value for the giv.
7373 (record_biv): Zero ext_dependant.
7374 (record_giv): New argument ext_val. Update all callers.
7375 (general_induction_var): Likewise.
7376 (consec_sets_giv): Likewise.
7377 (simplify_giv_expr): Likewise. Fill in ext_val if we find
7378 a sign-extend, zero-extend, or truncate.
7379 (combine_givs_p): Make sure modes are compatible.
7380 (check_ext_dependant_givs): New.
7381 (extend_value_for_giv): New.
7382 * loop.h (struct induction): Add ext_dependant.
7383 * unroll.c (iteration_info): Extend the biv initial value for the giv.
7384 (find_splittable_givs): Likewise.
7385 (final_giv_value): Likewise.
7387 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
7389 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
7390 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
7391 definitions from cpplib.h.
7392 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
7394 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
7395 documentation for REGISTER_TARGET_PRAGMAS.
7397 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
7398 default-pragma callback to implement -Wunknown-pragmas if
7400 * c-parse.in: Move all includes to top of file.
7401 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
7403 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
7405 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
7407 * arm.h, arm-protos.h, arm.c,
7408 c4x.h, c4x-protos.h, c4x.c,
7409 h8300.h, h8300-protos.h, h8300.c,
7410 i370.h, i370-protos.h, i370.c,
7411 i960.h, i960-protos.h, i960.c,
7412 sh.h, sh-protos.h, sh.c,
7413 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
7414 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
7416 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
7417 multiple include guard.
7418 * i370.md (untyped_call): Use GEN_CALL.
7419 (umodsi3): Remove unused variable.
7420 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
7421 * v850.c (output_move_single, output_move_double): Constify
7423 (print_operand): Constify a char *.
7424 * v850.h (struct small_memory_info): Constify name member.
7426 2000-09-07 Kazu Hirata <kazu@hxi.com>
7428 * config/h8300.h: Fix comment typos.
7429 * config/h8300/h8300.md: Likewise.
7430 * config/h8300/lib1funcs.asm: Likewise.
7432 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
7434 * Makefile.in: Remove references to cppulp.{c,o}.
7435 * cppinit.c (initialize_builtins, cpp_start_read,
7436 cpp_handle_option): Update to use cpp_options structure.
7439 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
7441 * c-common.c (time_char_table): Allow %#b and %#h.
7443 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7445 * reorg.c (find_end_label): If the basic block reorder pass moves the
7446 return insn to some other place try to locate it again and put our
7447 end_of_function_label there.
7448 * reorg.c (relax_delay_slots): Check if find_end_label created a
7449 new label that invalidates the current optimazation.
7451 2000-09-07 Catherine Moore <clm@redhat.com>
7453 * unroll.c (unroll_loop): Check for unconditional jumps
7454 to loop continuation. Delete if n_iterations is 1.
7455 (ujump_to_loop_cont): New routine.
7457 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
7459 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
7461 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
7462 to handle multiword modes correctly. All callers and the declaration
7465 2000-09-06 Mark Mitchell <mark@codesourcery.com>
7467 * c-common.h (prep_stmt): Declare.
7468 (lang_expand_stmt): Likewise.
7469 * c-decl.c (lang_expand_stmt): Remove.
7470 * c-semantics.c (lang_expand_stmt): Define.
7471 (prep_stmt): New function.
7472 (expand_stmt): Handle common statement types here.
7474 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
7476 * configure.in (sh-*-linux*): Added.
7477 * configure: Rebuilt.
7478 * config/sh/t-linux: New file.
7479 * config/sh/sh.h (USERMODE_BIT): Define.
7480 (TARGET_USERMODE): Likewise.
7481 (TARGET_SWITCHES): New switches for the bits above.
7482 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
7483 * config/sh/linux.h: New file.
7484 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
7485 underscore on linux.
7486 (L_sdivsi3, L_udivsi3): Define for linux.
7487 (L_ic_invalidate): Define.
7488 * invoke.texi (SH Options): Document -musermode.
7490 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
7492 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
7493 CSE unless generating PIC.
7495 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
7498 2000-09-06 H.J. Lu (hjl@gnu.org)
7500 * Makefile.in (clean_s1): Depend on stage_b.
7501 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
7502 stage2. They are used for "make compare".
7504 2000-09-06 Mark Mitchell <mark@codesourcery.com>
7506 Move statement-tree facilities from C++ to C front-end.
7507 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
7508 (void_zero_node): New macro.
7509 (struct stmt_tree_s): New type.
7510 (stmt_tree): New typedef.
7511 (struct language_function): New type.
7512 (last_tree): New macro.
7513 (last_expr_type): Likewise.
7514 (walk_tree_fn): New typedef.
7515 (current_stmt_tree): New function.
7516 (begin_stmt_tree): Likewise.
7517 (add_stmt): Likewise.
7518 (finish_stmt_tree): Likewise.
7519 (statement_code_p): Likewise.
7520 (lang_statement_code_p): New variable.
7521 (walk_stmt_tree): New function.
7522 (STMT_IS_FULL_EXPR_P): New macro.
7523 * c-common.c (lang_statement_code_p): New variable.
7524 (c_common_nodes_and_builtins): Initialize void_zero_node.
7525 (statement_code_p): New function.
7526 (walk_stmt_tree): Likewise.
7527 * c-decl.c (language_function): Rename to ...
7528 (c_language_function): ... this. Include language_function.
7529 (push_c_function_context): Adjust accordingly.
7530 (pop_c_function_context): Likewise.
7531 (mark_c_function_context): Likewise.
7532 (current_stmt_tree): Define.
7533 * c-semantics.c (begin_stmt_tree): New function.
7534 (add_stmt): Likewise.
7535 (prune_unused_decls): Likewise.
7536 (finish_stmt_tree): Likewise.
7538 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7540 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
7542 2000-09-06 Kazu Hirata <kazu@hxi.com>
7544 * calls.c: Fix formatting.
7546 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
7548 * config/i386/i386.h (ADDRESS_COST): Fix typo.
7550 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
7552 Integrated preprocessor.
7554 * Makefile.in: Remove all references to c-parse.gperf,
7555 c-gperf.h, and c-parse.h. Remove -d from yacc command line
7556 generating c-parse.c. Update dependencies.
7557 * c-parse.gperf, c-gperf.h: Delete.
7559 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
7560 yy_lim, or yy_get_token. Don't define get_directive_line if
7562 * c-common.h: Add multiple include guard. Define RID values
7563 for every keyword in C, C++, and Objective C. Put all the
7565 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
7566 * c-decl.c (c_decode_option): Handle -lang-objc here.
7567 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
7568 (grokdeclarator): Adjust for new RID scheme.
7569 (extract_interface_info): New stub.
7570 * c-lang.c: Don't declare yy_cur or parse_options.
7571 (lang_init_options): Call cpp_init. Don't call
7573 (lang_init): Don't call check_newline if USE_CPPLIB.
7575 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
7576 Elide lots of unnecessary code if USE_CPPLIB. Delete code
7577 rendered unnecessary by new architecture. Move routines not
7578 shared with C++ to c-parse.in. Maintain a local idea of the
7579 line number. Handle C++ as well as C.
7580 [USE_CPPLIB]: Declare and register callbacks for #ident and
7581 for entering/leaving files.
7582 (init_c_lex, c_lex): Are now the entry points to this file.
7583 (check_newline): Break out directive handling to
7585 (read_ucs, is_extended_char, utf8_extend_token): Moved here
7587 (readescape, parse_float): Overhaul.
7588 (lex_number, lex_string, lex_charconst): Break out of c_lex
7590 (get_fileinfo, update_header_times, dump_one_header,
7591 dump_time_statistics): New and/or moved here from C++.
7592 Support per-file data needed by C++ and per-header timing
7593 statistics (C++ only, at the moment).
7594 * c-lex.h: Update prototypes. Add multiple include guard.
7595 * c-tree.h (struct lang_identifier): Add rid_code field.
7596 (C_IS_RESERVED_WORD, C_RID_CODE): New.
7598 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
7599 reinit_parse_for_function and/or position_after_white_space.
7600 (save_filename, save_lineno): Look ahead before saving.
7601 (label -> identifier ':'): Save file and line before shifting ':'.
7602 (reservedwords): No need to call get_identifier.
7603 (init_parse, finish_parse, yyerror, yylex, yyprint,
7604 make_pointer_declarator): Are now here for C/ObjC.
7605 (rid_to_yy): Conversion table from RID constants to Yacc codes.
7607 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
7608 #pragma registry. Provide dummy implementation of that
7609 interface if !USE_CPPLIB.
7610 * c-pragma.h: Update to match.
7612 * flags.h: Add multiple include guard.
7613 (flag_detailed_statistics): Moved here from C++.
7614 * toplev.c: Define flag_detailed_statistics.
7616 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
7618 * timevar.def (TV_CPP, TV_LEX): New.
7619 * timevar.h: Add multiple include guard.
7621 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
7623 * objc/objc-act.c: Don't mention yy_cur or parse_options.
7624 Initialize cpplib properly. Force lineno to 0 after first
7625 call to check_newline. Don't handle -lang-objc here.
7626 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
7628 2000-09-06 David Edelsohn <edelsohn@gnu.org>
7630 * rs6000.md: Correct function unit definitions for cr_logical and
7632 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
7633 and use portable method for >=0 and floating point >=. Remove
7634 associated matchers.
7636 2000-09-06 Mark Mitchell <mark@codesourcery.com>
7638 * extend.texi: Mark named return value extension as deprecated.
7640 2000-09-06 Geoff Keating <geoffk@cygnus.com>
7642 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
7645 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
7647 * toplev.c (display_help): Fix thinko in documentation.
7649 * diagnostic.h (output_buffer::indent_skip): New fields.
7650 (output_indentation): New macro.
7652 * diagnostic.c (output_indent): New function.
7653 (output_set_prefix, clear_diagnostic_info): Use.
7654 (output_emit_prefix): Predict future indentation.
7656 2000-09-06 DJ Delorie <dj@redhat.com>
7658 * Makefile.in (stage_*): add more dependencies to ensure parallel
7659 builds build correctly
7661 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
7663 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
7664 not bootstrap-lean_f.
7666 2000-09-06 Andreas Schwab <schwab@suse.de>
7668 * mklibgcc.in: Emit rule for libgcc-stage-start.
7669 * Makefile.in (stage1-start, stage2-start, stage3-start,
7670 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
7672 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
7674 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
7675 (update_equiv_regs): Likewise, except for the mn10200 kludge.
7676 (combine_regs): Likewise.
7678 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
7679 * cse.c: Include "basic-block.h".
7680 (struct table_elt): New field REGCOST.
7681 (CHEAP_REG): Delete macro.
7682 (COST): Return 0 for REGs.
7683 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
7684 (notreg_cost): Return 0 for appropriate SUBREGs.
7685 (COSTS_N_INSNS): Return N * 2.
7686 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
7688 (CHEAPER): Use new function preferrable.
7689 (insert): Initialize REGCOST member.
7690 (find_best_addr): Use approx_reg_cost for estimation of register
7692 (cse_insn): Likewise.
7693 * loop.c (iv_add_mult_cost): New function.
7694 (add_cost, shift_cost, mult_cost): Delete variables.
7695 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
7696 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
7697 Make code that detects autoinc opportunities slightly less optimistic.
7698 (simplify_giv_expr): If expression contains other reg that is also a
7699 giv, only increment benefit if this is the only use of that reg.
7700 (consec_sets_giv): Take that change into account.
7701 (combine_givs): Slightly more verbose output.
7703 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
7704 not the cost of an equivalent shift.
7705 * sh-protos.h (addsubcosts): Declare.
7706 * sh.c (addsubcosts): New function.
7707 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
7708 (RTX_COSTS): Tweak. Use addsubcosts.
7709 (ADDRESS_COST): Return higher cost for reg+reg addressing.
7711 2000-09-06 Geoff Keating <geoffk@cygnus.com>
7713 * config/rs6000/rs6000.c (validate_condition_mode): New function.
7714 (branch_comparison_operator): Call validate_condition_mode to
7715 abort rather than returning 0.
7716 (branch_positive_comparison_operator): New function.
7717 (scc_comparison_operator): Call validate_condition_mode to abort
7718 rather than returning 0.
7719 (ccr_bit): Call validate_condition_mode. Update for
7721 (print_operand): Delete %C modifier. Update %E case
7722 to use EQ bit not SO bit.
7723 (rs6000_reverse_condition): New function.
7724 (rs6000_generate_compare): New function.
7725 (rs6000_emit_sCOND): New function.
7726 (rs6000_emit_cbranch): New function.
7727 (output_cbranch): The length of a long branch insn is
7728 now only 8 bytes. Add validate_condition_mode. Use
7729 rs6000_reverse_condition. Remove cror generation.
7731 * config/rs6000/rs6000.h: Update comments.
7732 (PREDICATE_CODES): Add new predicate. Update codes used
7733 by branch_comparison_operator and scc_comparison_operator.
7734 * config/rs6000/rs6000-protos.h: Add prototypes for
7735 new external functions.
7736 * config/rs6000/rs6000.md: Add new scheduling parameters
7737 for cr_logical instructions. Change length of branch
7739 (bCOND patterns): Call rs6000_emit_cbranch.
7740 (sCOND patterns): Call rs6000_emit_sCOND.
7741 (branch patterns): Change lengths to 4.
7742 (cr logical patterns): New.
7744 2000-09-06 Richard Henderson <rth@cygnus.com>
7746 * config/i386/i386.md (call_pop): Fix test for setting
7747 current_function_uses_pic_offset_table.
7748 (call, call_value_pop, call_value): Likewise.
7750 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
7752 * timevar.c (timevar_add): Delete.
7753 (timevar_get): Also count time since the selected timer was
7754 last updated. Do not examine the timevar stack if the
7755 selected timer is standalone.
7757 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7759 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
7761 2000-09-05 Jason Merrill <jason@redhat.com>
7763 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
7764 for 'extern' arrays.
7766 2000-09-05 Richard Henderson <rth@cygnus.com>
7768 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
7769 Eliminate final copy from non-trapping case.
7770 (__divdf3, __divsf3): Likewise.
7772 2000-09-05 Richard Henderson <rth@cygnus.com>
7774 * config/ia64/ia64.md (mulhi3): Fix typo last change.
7775 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
7777 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
7779 * Makefile.in: Restructure bootstrap stages to allow clean
7780 restart after failure.
7782 2000-09-05 Richard Henderson <rth@cygnus.com>
7784 * config/ia64.md (movsi and movdi patterns): Allow moves from
7785 8-bit constants to AR registers.
7787 2000-09-05 Richard Henderson <rth@cygnus.com>
7789 * config/ia64/ia64.md (mulhi3): New.
7791 2000-09-05 Richard Henderson <rth@cygnus.com>
7793 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
7794 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
7795 Optimization Guide, minimum latency alternative.
7796 (__moddi3, __udivdi3, __umoddi3): Likewise.
7797 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
7799 2000-09-05 Bruce Korb <bkorb@gnu.org>
7801 * fixinc/fixincl.c (load_file): always read header files
7802 with sizes that are a multiple of the page size.
7803 & use libiberty's getpagesize for determining that.
7805 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
7807 * gcse.c (hash_string_1): Add prototype.
7808 * cse.c (canon_hash_string): Likewise.
7810 2000-09-04 Craig Newell <CraigN@ieee.org>
7812 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
7814 2000-09-04 Andreas Schwab <schwab@suse.de>
7816 * Makefile.in (STAGESTUFF): Remove libgcc.
7817 (stage1-start, stage2-start, stage3-start): Copy the contents of
7818 the libgcc directory explicitly.
7819 (mostlyclean): Clean libgcc.
7821 2000-09-04 Andrew Haley <aph@redhat.com>
7823 * dwarf2out.c: (stack_adjust_offset): New prototype.
7825 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
7827 * combine.c (make_extraction): Fix rtx_cost comparison to
7830 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
7832 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
7833 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
7834 Add '*' to insn pattern name.
7836 2000-09-04 Jakub Jelinek <jakub@redhat.com>
7838 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
7839 use posn - 1 to index into tokens array.
7840 (maybe_paste_with_next): Adjust caller.
7842 2000-09-03 Geoff Keating <geoffk@cygnus.com>
7844 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
7846 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
7847 (REGNO_REG_CLASS): Use symbolic register
7850 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
7852 * arm.c (final_prescan_insn): If the form of a jump insn isn't
7853 recognized, don't try to conditionally execute it.
7855 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
7857 * config/avr/avr.md ("*tablejump_lib"): New pattern.
7858 (call_value_insn): Right length claculation.
7859 (call_insn): Likewise.
7861 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
7863 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
7864 gas_output_limited_string, gas_output_ascii, output_movqi,
7865 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
7866 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
7867 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
7868 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
7869 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
7870 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
7871 Add "const" as needed to remove warnings.
7873 * config/avr/avr.c (avr_override_options, avr_init_once,
7874 function_prologue, function_epilogue, frame_pointer_required_p,
7875 class_likely_spilled_p, order_regs_for_local_alloc,
7876 avr_address_cost, avr_ret_register): Use K&R style arguments.
7877 (initial_elimination_offset, gas_output_limited_string):
7878 Remove ATTRIBUTE_UNUSED from the used arguments.
7879 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
7880 Use local variables src, dest, base to access operands[].
7881 Rename reg_dest to reg_src if that's what it is.
7882 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
7883 constants to LD_REGS if reg_was_0.
7884 (output_reload_insisf): Change arg 3 to insn length and set it.
7885 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
7886 access to 16-bit I/O register pairs.
7887 (avr_address_cost): Lower cost for the above case.
7888 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
7889 may be clobbered, also for LD_REGS.
7890 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
7893 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
7895 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
7896 macro to test_hard_reg_class function.
7897 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
7898 for loading immediate constants to LD_REGS.
7899 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
7902 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
7904 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
7905 * config/avr/libgcc.S: Lost part of the previous patch.
7907 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7909 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
7910 object before calling pthread_mutex_init.
7912 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
7914 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
7915 config/sh/crtn.asm: New files.
7916 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
7917 (crt1.o, crti.o, crtn.o): New targets.
7918 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
7920 * configure: Rebuilt.
7921 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
7922 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
7923 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
7924 Undefine for config/elfos.h to redefine.
7925 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
7927 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
7929 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
7930 legitimize_pic_address, output_pic_addr_const): Declare.
7931 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
7932 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
7933 (TARGET_SWITCHES): New switch -mprefergot.
7934 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
7935 (PIC_OFFSET_TABLE_REGNUM): Define.
7936 (GOT_SYMBOL_TABLE): Likewise.
7937 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
7938 (ENCODE_SECTION_INFO): Define.
7939 (FINALIZE_PIC): New macros.
7940 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
7941 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
7942 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
7943 (prepare_move_operands): Call emit_pic_move or
7944 emit_pic_const_move if appropriate.
7945 (output_far_jump): For PIC, use braf and output long offset.
7946 (machine_dependent_reorg):
7947 (sh_expand_prologue): Save and initialize the PIC register.
7948 (sh_expand_epilogue): Restore it.
7949 (initial_elimination_offset): Account for it.
7950 (nonpic_symbol_mentioned_p): New function.
7951 (legitimize_pic_address): Likewise.
7952 (output_pic_addr_const): Likewise.
7953 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
7954 (call, call_value): Use them.
7955 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
7956 symPLT_label2reg): New expands.
7957 * invoke.texi (SH Options): Document -mprefergot.
7959 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
7961 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
7962 * gcse.c (hash_string_1): New function.
7963 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
7964 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
7965 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
7966 (canon_hash_string): New function.
7967 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
7968 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
7969 (fold_rtx): Use ASM_OPERANDS accessor macros.
7970 * emit-rtl.c (copy_insn_1): Likewise.
7971 * integrate.c (copy_rtx_and_substitute): Likewise.
7972 * stmt.c (expand_asm_operands): Likewise. Give an
7973 ASM_OPERANDS rtx the mode of the output reg being set from it.
7975 2000-09-01 Fred Fish <fnf@be.com>
7977 * fix-header.c (write_rbrac): Add putc and getc to list of
7978 functions to protect against prior definition as a macro.
7980 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
7982 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
7983 (c_size_type_node): Define.
7984 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
7985 * c-common.c (enum format_lengths, enum format_std_version,
7986 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
7987 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
7988 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
7989 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
7990 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
7991 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
7992 format_types): Define.
7993 (format_char_info, print_char_table, scan_char_table,
7994 time_char_table): Rearrange for new organization of information
7995 about format length modifiers and standard versions.
7996 (T_ST): Redefine to use c_size_type_node.
7997 (check_format_info): Obtain information about length modifiers and
7998 standard versions from tables. Adjust warning message wordings.
7999 Use the name from the user's program for `ll' and `hh' length
8000 modifiers in warning messages. Use more informative names for
8001 wanted types where available (for wchar_t, wint_t, size_t, signed
8002 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
8004 2000-09-01 Jim Wilson <wilson@cygnus.com>
8006 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
8007 * combine.c (distribute_notes): Handle REG_NORETURN.
8008 * rtl.c (reg_note_name): Add REG_NORETURN.
8009 * rtl.h (enum reg_note): Likewise.
8011 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
8013 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
8014 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
8015 (emit_predicate_relation_info): Handle conditional calls with
8017 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
8018 instead of ia64_file_start.
8019 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
8020 * config/ia64/ia64.md (safe_across_calls_all,
8021 save_across_calls_normal): New patterns.
8023 * loop.c (check_final_value): Check for biv use before checking for
8024 giv use. Check for both biv and giv uses. Always set last_giv_use
8025 if there is a giv use.
8027 2000-09-01 Richard Henderson <rth@cygnus.com>
8029 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
8030 (madddi3): Likewise.
8033 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8035 * expr.c (clear_storage): Don't use emit_move_insn unless
8036 either BLKmode or proper size.
8037 (store_constructor): Don't call clear_storage if REG of wrong size.
8039 * flow.c (init_propagate_block_info): Don't mark frame dead at end
8040 of function if returns wiht stack pointer depressed.
8042 2000-09-01 Andrew Haley <aph@redhat.com>
8044 * dwarf2out.c (stack_adjust_offset): New function.
8045 (dwarf2out_stack_adjust): Break out stack adjust logic into
8046 new stack_adjust_offset function. Look inside parallels and
8047 sequences for stack adjustments.
8049 2000-08-31 Jeff Law <law@cygnus.com>
8051 * arm.md: Use no_new_pseudos to determine when it is safe
8052 to create new pseudo registers.
8054 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
8055 when we can safely allocate new registers.
8057 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
8059 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
8060 so that CONCATs are not generated for ASMs.
8061 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
8062 not generating_concat_p.
8063 * function.c (pop_function_context_from): Reset
8064 generating_concat_p.
8065 (prepare_function_start): Likewise.
8066 * rtl.c (generating_concat_p): Define.
8067 * rtl.h (generating_concat_p): Declare.
8068 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
8070 2000-08-22 Philipp Thomas <pthomas@suse.de>
8071 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
8073 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
8076 2000-08-30 Greg McGary <greg@mcgary.org>
8078 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
8079 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
8080 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
8082 2000-08-30 Greg McGary <greg@mcgary.org>
8084 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
8085 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
8086 (TREE_INT_CST): New macro.
8087 * varasm.c (const_hash, compare_constant_1, record_constant_1):
8088 Use new macro TREE_INT_CST.
8090 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
8092 * contrib.texi: Add self.
8094 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
8096 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
8097 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
8100 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8102 * fixinc/gnu-regex.c: Don't define `const'.
8104 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8106 * expr.c (store_constructor): Allow variable bounds of array type.
8107 (expand_expr): Don't blow up if type is ERROR_MARK.
8108 * varasm.c (output_constructor): Don't access lower bound of array
8109 type unless need it if index is supplied (so it can be a variable
8110 if no index is supplied).
8111 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
8112 Other minor cleanups.
8114 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8116 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
8117 for compilations in stage 1 and subsequent stages, respectively.
8118 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
8119 * configure: Rebuilt.
8120 * x-vax, x-vax-gcc: Deleted.
8122 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
8124 * c-common.c (declare_function_name): Use func_id_node,
8125 function_id_node, and pretty_function_id_node. Do not make
8126 __func__ visible at file scope.
8127 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
8128 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
8129 (function_id_node, pretty_function_id_node, func_id_node): New
8131 * c-decl.c (init_decl_processing): Initialize function_id_node,
8132 pretty_function_id_node, and func_id_node.
8133 (c_make_fname_decl): Correct comment.
8135 * tree.h (struct tree_identifier): Constify pointer member.
8137 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
8138 * c-pragma.h (struct weak_syms): Constify name and value members.
8139 (add_weak): Constify arguments.
8141 * calls.c (special_function_p): Constify a char *.
8142 (expand_call): Remove variable which is initialized and then
8144 * dependence.c (struct def_use, struct induction, struct subscript):
8145 Constify 'variable' member.
8146 (get_low_bound, have_induction_variable): Constify char * argument.
8147 (find_induction_variable): Add braces to avoid dangling else.
8148 (classify_dependence): Constify char * arrays.
8149 * profile.c (output_func_start_profiler): Constify a char *.
8150 * stor-layout.c (finalize_record_size): Constify a char *.
8151 * tree.c (is_attribute_p): Constify a char *.
8152 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
8154 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
8155 for comprehensibility. Do not call get_identifier if we did
8156 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
8157 create temporary string constants, not ggc_alloc_string. No
8158 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
8159 char * to hold IDENTIFIER_POINTERs.
8161 2000-08-29 Richard Henderson <rth@cygnus.com>
8163 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
8166 2000-08-29 Richard Henderson <rth@cygnus.com>
8168 * reload.c (push_secondary_reload): Allow class == reload_class
8169 if we're using a reload_in/out pattern.
8171 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
8172 the half that does not conflict with the reload register.
8173 (reload_outti): Likewise.
8175 2000-08-29 Kazu Hirata <kazu@hxi.com>
8177 * reload.c: Fix formatting.
8179 * stmt.c: Fix formatting.
8181 * gcc.c: Fix formatting.
8183 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
8185 * flags.h (time_report, mem_report): New global flags.
8186 * toplev.c: Define time_report and mem_report.
8187 (f_options): Add -ftime-report and -fmem-report.
8188 (compile_file): Turn on time_report if quiet_flag is off.
8189 Call ggc_print_statistics at very end if mem_report is on.
8190 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
8192 * ggc-common.c (ggc_print_statistics): Rename to
8193 ggc_print_common_statistics; all callers changed. Scale
8194 quantities above 10K to kilobytes and above 10M to megabytes.
8195 * ggc-page.c (ggc_page_print_statistics): Rename to
8196 ggc_print_statistics. Report memory consumed by internal data
8197 structures for each allocation bucket. Scale quantities above
8198 10K to kilobytes and above 10M to megabytes.
8199 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
8200 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
8201 Define tally_leaves always.
8202 (ggc_print_statistics): New function.
8203 * ggc.h: Adjust for renamed functions.
8205 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
8207 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
8208 output_movsisf instead of which_alternative.
8210 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
8212 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
8214 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
8215 (avr_progmem_p): New prototype.
8216 (output_movsisf): Prototype declaration changed.
8217 (output_movqi): New prototype.
8218 (output_movhi): New prototype.
8219 (call_insn_operand): Likewise.
8220 (final_prescan_insn): Likewise.
8221 (avr_simplify_comparision_p): Likewise.
8222 (avr_normalize_condition): Likewise.
8223 (compare_eq_p): Likewise.
8224 (out_shift_with_cnt): Likewise.
8225 (const_int_pow2_p): Likewise.
8226 (output_reload_inhi): Prototype declaration changed.
8228 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
8229 (ldi_reg_rtx): New. rtx for r31.
8230 (avr_init_stack): Initialize as "__stack".
8231 (function_prologue): Use it.
8232 Replace all TARGET_ENHANCED with AVR_ENHANCED.
8233 (avr_mcu_name): Initialize as "avr2".
8234 (avr_enhanced_p, avr_mega_p): New variables.
8235 (mcu_types, avr_override_options): Handle all known MCU types.
8236 Also handle avr1 (only preprocess, assemble and link).
8237 (print_operand): Using of `%K' in output template removed.
8238 (out_movqi_r_mr): Optimized.
8239 (out_movhi_r_mr): Likewise.
8240 (output_movqi): New function.
8241 (output_movhi): Likewise.
8242 (out_movsi_r_mr): Optimized.
8243 (output_movsisf): Compute insn length for `adjust_insn_length'
8244 (out_movqi_mr_r): Optimized.
8245 (out_movhi_mr_r): Optimized.
8246 (adjust_insn_length): Use output_movsisf, output_movqi,
8247 output_movhi for insn length adjusting.
8248 (reg_unused_after): Use dead_or_set_p.
8249 (preferred_reload_class): Now havn't any restriction.
8250 (reg_was_0): New function.
8251 (io_address_p): Likewise.
8252 (const_int_pow2_p): Likewise.
8253 (output_reload_inhi): Likewise.
8254 (output_reload_insisf): Likewise.
8256 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
8257 (LIB_SPEC): Use -lc for all supported devices.
8258 (LIBGCC_SPEC): Use -lgcc for all supported devices.
8259 (AVR_MEGA): Define as avr_mega_p.
8260 (AVR_ENHANCED): New, define as avr_enhanced_p.
8261 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
8262 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
8263 (CRT_BINUTILS_SPECS): Handle all known MCU types.
8264 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
8265 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
8266 (ASM_SPEC): Pass -mmcu=... to the assembler.
8267 Change all -DAVR_* to -D__AVR_*__.
8268 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
8269 Rename library functions to start with two underscores.
8270 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
8272 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
8273 (SUPPORTS_WEAK): Likewise.
8274 (LDI_REG_REGNO): New. Register r31 will be used as temporary
8275 register for loading constants to r0-r14.
8277 * config/avr/avr.md: Replace all TARGET_ENHANCED with
8279 (*mov_r_sp): Removed. Handled by output_movhi.
8280 (*mov_sp_r): Likewise.
8281 (*mov_sp_r_no_interrupts): Likewise
8282 (*mov_sp_r_tiny): Likewise.
8283 (*movqi): Use output_movqi.
8284 (*reload_inqi): New.
8285 (*movhi): Use output_movhi.
8286 (*reload_inhi): New.
8287 (*negsi2): Optimized.
8288 (*negsf2): Likewise.
8289 Added peepholes (define_peephole2) for loading constants to r0-r14
8290 and for using `cpse' command.
8292 * config/avr/libgcc.S: Rename library functions to start with two
8294 Add support for enhanced core.
8295 (_moqhi3): Fix typo, now _modqi3.
8296 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
8297 (__prologue_saves__): Remove test for stack adjust by 0.
8298 (__tablejump__): New.
8300 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
8301 Add multilib support.
8303 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
8305 * loop.c (prescan_loop): Don't check unknown_address_altered
8306 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
8307 to loop_store_mems as necessary.
8308 (loop_invariant_p): Don't check unknown_address_altered
8309 or unknown_constant_address_altered.
8311 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8313 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
8315 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
8317 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
8318 print just the filename.
8319 * cpplex.c (_cpp_run_directive): Add additional argument, the
8320 name to give the synthetic buffer. This defaults to
8321 translated "<command line>".
8322 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
8324 (_cpp_define_builtin): New function.
8325 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
8326 * cpphash.h: Update prototypes.
8328 * tradcpp.c (main): Process -D and -U simultaneously, in the
8329 order they appeared on the command line.
8331 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8333 * c-decl.c (define_label): Call warning_with_file_and_line and
8334 error_with_file_and_line instead of plain warning or error.
8336 * c-parse.in (label): Use save_filename/save_lineno to ensure
8337 correct values for calls to define_label.
8339 2000-08-29 Mark Mitchell <mark@codesourcery.com>
8341 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
8343 * expr.c (expand_expr, case TARGET_EXPR): Don't call
8345 * tree.h (get_file_function_name): Remove two duplicate
8348 2000-08-28 Kazu Hirata <kazu@hxi.com>
8350 * tree.c: Fix formatting.
8352 * xcoffout.c: Fix formatting.
8354 2000-08-28 Jason Merrill <jason@redhat.com>
8356 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
8358 2000-08-28 Daniel Berlin <dberlin@redhat.com>
8360 * dwarf2out.c (dwarf2out_finish): Don't bother calling
8361 break_out_includes if it won't do anything.
8363 2000-08-28 Richard Henderson <rth@cygnus.com>
8365 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
8366 (find_reloads): Likewise.
8367 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
8368 (reload_inhi): Likewise.
8370 2000-08-28 Richard Henderson <rth@cygnus.com>
8372 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
8373 (call_insn_operand): Don't expect a surrounding mem.
8374 (constant_call_address_operand): Likewise.
8375 * config/i386/i386.h (PREDICATE_CODES): Update.
8376 * config/i386/i386.md (call patterns): Move the match_operand
8377 for the call destination inside the mem.
8379 2000-08-28 Richard Henderson <rth@cygnus.com>
8381 * local-alloc.c (requires_inout): Don't use reserved range for
8382 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
8383 * recog.c (asm_operand_ok): Likewise.
8384 (preprocess_constraints, constrain_operands): Likewise.
8385 * regclass.c (record_reg_classes): Likewise.
8386 * reload.c (find_reloads): Likewise.
8387 * reload1.c (maybe_fix_stack_asms): Likewise.
8388 (reload_cse_simplify_operands): Likewise.
8389 * stmt.c (expand_asm_operands): Likewise.
8391 * md.texi: Update constraints documentation.
8392 * tm.texi (EXTRA_CONSTRAINT): Update.
8394 2000-08-28 Daniel Berlin <dberlin@redhat.com>
8396 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
8397 (print_die): If we don't know the offset of the
8398 target die, try the symbol. Add a trailing newline.
8399 (reverse_all_dies): New fn.
8400 (dwarf2out_finish): Call it.
8401 (break_out_includes): Reorganize for clarity.
8402 (add_sibling_attributes): Don't call reverse_die_lists.
8403 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
8405 * flags.h: Add flag_eliminate_dwarf2_dups.
8406 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
8408 2000-08-28 Jason Merrill <jason@redhat.com>
8410 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
8411 * dwarf2out.c: #include "md5.h".
8412 (DIE_LABEL_PREFIX): New macro.
8413 (dw_val_struct): Add 'external' flag to val_die_ref.
8414 (add_AT_die_ref, AT_ref): Adjust.
8415 (AT_ref_external, set_AT_ref_external): New fns.
8416 (build_abbrev_table): Call set_AT_ref_external.
8417 (value_format): Call AT_ref_external.
8418 (die_struct): Add die_symbol field.
8419 (new_die): Clear it.
8420 (dwarf_tag_name): Handle BINCL/EINCL.
8421 (dwarf2out_start_source_file): Add BINCL DIE.
8422 (dwarf2out_end_source_file): Add EINCL DIE.
8423 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
8424 (loc_checksum, attr_checksum, die_checksum): New fns.
8425 (is_type_die, is_comdat_die, is_symbol_die): New fns.
8426 (compute_section_prefix, assign_symbol_names): New fns.
8427 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
8428 (output_die): Call output_die_symbol and AT_ref_external.
8429 (output_comdat_comp_unit): New fn, split out from...
8430 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
8432 (output_pubnames, output_aranges): Abort if we see entries from
8434 * toplev.h: Declare file_name_nondirectory.
8435 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
8436 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
8437 (debug_start_source_file): Call dwarf2out_start_source_file
8438 regardless of debug verbosity.
8439 (debug_end_source_file): Similarly.
8440 * tree.h: Declare clean_symbol_name.
8441 * tree.c (clean_symbol_name): Split out from...
8442 (get_file_function_name_long): ...here.
8444 * dwarf2out.c (new_loc_descr): Use calloc.
8445 (splice_child_die): Remove the die from the right parent.
8446 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
8448 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8450 * toplev.c (decode_g_option): Don't give warning for unknown -g
8451 option; return 0 instead.
8452 (main): If -g option is not recognized by front end or
8453 language-independent code, give warning.
8455 2000-08-28 Greg McGary <greg@mcgary.org>
8457 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
8458 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
8459 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
8461 2000-08-27 Greg McGary <greg@mcgary.org>
8463 * cpplex.c (parse_string): Don't look for backslash
8464 before first char in `namebuf'.
8465 * loop.c (strength_reduce): Skip NOTEs.
8467 2000-08-27 Jason Merrill <jason@redhat.com>
8469 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
8470 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
8471 TREE_ASM_WRITTEN, either.
8472 (finish_decl): Adjust.
8474 2000-08-28 Philipp Thomas <pthomas@suse.de>
8476 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
8477 they have been incorporated into the gettext CVS. Change the text to
8478 reflect the current status of NLS. Add instructions for accessing
8479 the gettext CVS and add the patch from Martin v. Loewis.
8481 2000-08-27 Geoff Keating <geoffk@cygnus.com>
8483 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
8484 by using gen_lowpart_common.
8485 (movdi_internal64+6): Likewise.
8487 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
8489 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
8492 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
8493 numbers to the ranges used by GDB.
8495 2000-08-25 Richard Henderson <rth@cygnus.com>
8497 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
8498 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
8499 (ia64_expand_prologue): Likewise.
8500 (ia64_setup_incoming_varargs): Set it. Properly skip the current
8501 argument for stdargs.
8503 2000-08-25 Jason Merrill <jason@redhat.com>
8505 * integrate.c (expand_inline_function): Pull out the original decl.
8507 2000-08-25 Jim Wilson <wilson@cygnus.com>
8509 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
8511 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
8513 2000-08-25 Greg McGary <greg@mcgary.org>
8515 * flow.c (dump_edge_info): Use ARRAY_SIZE.
8516 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
8518 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
8520 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
8522 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
8524 * i386.c (ix86_find_base_term): New.
8525 * i386-protos.h (ix86_find_base_term): Prototype.
8526 * i386.h (FIND_BASE_TERM): Define.
8527 * alias.c (find_base_term): Use it.
8528 * tm.texi (FIND_BASE_TERM): Document it.
8530 * alias.c (true_dependence, write_dependence_p): Unchanging
8531 memory can't conflict with non-unchanging memory.
8533 * alias.c (memrefs_conflict_p): A BLKmode reference
8534 to a symbol (or CONST_INT address) always conflicts
8535 with a reference to another symbol.
8537 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
8539 * c-common.c (time_char_table): Don't allow width and flags with
8542 2000-08-25 Jakub Jelinek <jakub@redhat.com>
8544 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
8545 way as LT and LTU when the second operand has 0 in low word.
8547 2000-08-26 Michael Hayes <mhayes@cygnus.com>
8549 * basic-block.h (struct loop): Rename `exits' field to
8550 `exit_edges'. Add `entry_edges' and `num_entries' fields.
8552 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
8553 (flow_loop_entry_edges_find): Add.
8554 (flow_edge_list_print): Rename from flow_exits_print.
8555 (flow_loops_find): Call flow_loop_entry_edges_find.
8556 (flow_loop_dump): Dump entry_edges list.
8557 (flow_loops_free): Free entry_edges.
8559 2000-08-26 Michael Hayes <mhayes@cygnus.com>
8561 * loop.c (loop_dump_aux, debug_loop): New functions.
8562 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
8564 * flow.c (flow_loops_dump): Add callback parameter.
8565 (flow_loop_dump): Add callback parameter and call it. Move
8566 loop note debugging code to loop_dump_aux.
8568 * basic-block.h (flow_loop_dump): Add callback parameter
8569 (flow_loops_dump): Likewise.
8571 * toplev.c (rest_of_compilation): Add NULL callback function pointer
8572 to call to flow_loops_dump.
8574 2000-08-26 Michael Hayes <mhayes@cygnus.com>
8576 * loop.c (count_loop_regs_set): Replace start and end arguments
8577 with loop argument. All callers udated.
8579 2000-08-26 Michael Hayes <mhayes@cygnus.com>
8581 * loop.c (constant_high_bytes): Delete.
8583 2000-08-26 Michael Hayes <mhayes@cygnus.com>
8585 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
8586 and NOTE_INSN_LOOP_VTOP to...
8587 (find_and_verify_loops) ...here.
8589 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
8591 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
8592 (fini_dummy, init_dummy): Use it.
8594 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
8596 * cpplex.c (is_macro_disabled): Caller has already checked
8597 that we're not a preprocessed file.
8599 2000-08-24 Mark Mitchell <mark@codesourcery.com>
8601 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
8602 (c-iterate.o): Remove target.
8603 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
8604 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
8605 (finish_decl): Don't handle iterators.
8606 (grokdeclarator): Likewise.
8607 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
8608 * gcc/c-gperf.h: Regenerated.
8609 * gcc/c-iterate.c: Removed.
8610 * gcc/c-lex.c (init_lex): Don't handle iterators.
8611 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
8612 (compstmt_primary_start): Remove push_iterator_stack call.
8613 (stmt): Don't allow iterator statements. Replace iterator_expand
8614 with expand_expr_stmt.
8615 (all_iter_stmt): Remove.
8616 (all_iter_stmt_simple): Likewise.
8617 (all_iter_stmt_with_decl): Likewise.
8618 * gcc/c-tree.h (ITERATOR_P): Remove.
8619 (ITERATOR_BOUND_P): Likewise.
8620 (init_iterators): Remove declaration.
8621 (iterator_expand): Likewise.
8622 (iterator_for_loop_start): Likewise.
8623 (iterator_for_loop_end): Likewise.
8624 (iterator_for_loop_record): Likewise.
8625 (push_iterator_stack): Likewise.
8626 (pop_iterator_stack): Likewise.
8627 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
8628 (readonly_warning): Likewise.
8629 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
8631 2000-08-24 Jim Wilson <wilson@cygnus.com>
8633 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
8634 Copy type in a TYPE_DECL, just like pushdecl does.
8636 2000-08-24 Richard Henderson <rth@cygnus.com>
8638 * toplev.c (main): Enable flag_reorder_blocks at -O2.
8640 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
8642 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
8643 asked for one page, allocate GGC_QUIRE_SIZE of them and put
8644 the extras on the free list.
8645 (release_pages): Clean up.
8646 (ggc_set_mark): Don't adjust G.allocated here...
8647 (sweep_pages): ... do it here.
8649 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
8651 * cppfiles.c (read_include_file): Rearrange initializations.
8653 2000-08-24 Richard Henderson <rth@cygnus.com>
8655 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
8657 * config/ia64/ia64-protos.h: Update.
8658 * config/ia64/ia64.c (gr_register_operand): New.
8659 (fr_register_operand, grfr_register_operand): New.
8660 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
8661 (grfr_reg_or_8bit_operand): New.
8662 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
8663 use gr_register_operand.
8664 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
8665 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
8666 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
8667 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
8668 (fr_reg_or_fp01_operand): Likewise.
8669 (not_postinc_memory_operand): New.
8670 (ia64_split_timode): Remove unused variables.
8671 (rtx_needs_barrier): Check arguments to cmpxchg.
8672 (builtin_description): Remove.
8673 (bdesc_2argsi, bdesc_2argdi): Remove.
8674 (ia64_init_builtins): Declare all builtins directly.
8675 (ia64_expand_fetch_and_op): Rewrite to be called from
8676 ia64_expand_builtin directly. Use expand_binop and co.
8677 (ia64_expand_op_and_fetch): Likewise.
8678 (ia64_expand_compare_and_swap): Likewise.
8679 (ia64_expand_binop_builtin): Remove.
8680 (ia64_expand_lock_test_and_set): New.
8681 (ia64_expand_lock_release): New.
8682 (ia64_expand_builtin): Use them.
8683 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
8684 (EXTRA_CONSTRAINT): Use it.
8685 (PREDICATE_CODES): Update.
8686 * config/ia64/ia64.md (*): Use gr_register_operand and co.
8687 (mf): Indicate that we set memory as well as use it.
8688 (fetchadd_acq_si): Show memory being modified as well.
8689 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
8690 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
8691 (lock_test_and_set_si, lock_test_and_set_di): Remove.
8692 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
8693 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
8694 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
8695 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
8696 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
8697 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
8698 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
8699 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
8700 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
8701 return type. Pretty print definitions.
8703 2000-08-24 Jim Wilson <wilson@cygnus.com>
8705 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
8706 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
8708 2000-08-24 Jason Merrill <jason@redhat.com>
8710 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
8711 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
8712 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
8713 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
8715 2000-08-24 Greg McGary <greg@mcgary.org>
8717 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
8718 and extendtab within their proper array boundaries.
8719 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
8720 for the entire array.
8722 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
8723 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
8724 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
8725 * config/fr30/fr30.c (fr30_print_operand): Likewise.
8726 * config/i386/dgux.c (output_options): Likewise.
8727 * config/i386/dgux.h (ASM_FILE_START): Likewise.
8728 * config/m88k/m88k.c (output_options): Likewise.
8729 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
8730 * config/mcore/mcore.c (mcore_output_inline_const_forced,
8731 layout_mcore_frame, handle_structs_in_regs): Likewise.
8732 * config/mips/mips.c (output_block_move): Likewise.
8733 * config/rs6000/rs6000.c (rs6000_override_options,
8734 rs6000_file_start): Likewise.
8735 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
8736 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
8737 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
8738 * builtins.c (expand_builtin_setjmp): Likewise.
8739 * expr.c (safe_from_p): Likewise.
8740 * flow.c (life_analysis): Likewise.
8741 * fold-const.c (size_int_type_wide): Likewise.
8742 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
8743 * genattrtab.c (make_length_attrs): Likewise.
8744 * genopinit.c (gen_insn): Likewise.
8745 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
8746 * global.c (global_alloc): Likewise.
8747 * local-alloc.c (find_free_reg): Likewise.
8748 * mips-tdump.c (print_symbol): Likewise.
8749 * mips-tfile.c (parse_def, parse_input): Likewise.
8750 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
8751 * stmt.c (expand_nl_goto_receiver): Likewise.
8752 * stor-layout.c (set_sizetype): Likewise.
8753 * varasm.c (decode_reg_name): Likewise.
8754 * toplev.c (decode_f_option, decode_W_option,
8755 set_target_switch, print_switch_values): Likewise.
8756 (NUM_ELEM): Remove macro.
8757 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
8759 2000-08-24 Greg McGary <greg@mcgary.org>
8761 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
8762 (MAIN_NAME_P, main_identifier_node): New macros.
8763 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
8764 * c-decl.c (start_decl, grokdeclarator, start_function,
8765 store_parm_decls, finish_function): Use MAIN_NAME_P.
8766 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
8767 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
8768 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
8769 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
8771 2000-08-24 Greg McGary <greg@mcgary.org>
8773 * cppfiles.c (actual_directory): Don't write beyond `dir'
8774 when it contains "".
8775 * real.c (asctoeg): Stay within bounds of etens[][].
8777 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8779 * dependence.c (dependence_string, direction_string,
8780 dump_one_node, dump_node_dependence): Hide unused identifiers.
8781 (get_low_bound, normalize_coefficients): Match definition to
8783 (get_one_coefficient): Initialize variables `value0_is_idx' and
8785 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
8786 (ziv_test): Delete variable `idx', use parameter `sub' instead.
8787 (direction_merge): Avoid automatic aggregate initialization.
8788 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
8789 Initialize variables `dest_idx' and `src_idx'.
8790 (end_dependence_analysis): Avoid C89 style function definition.
8792 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
8794 * c-common.c (time_char_table): Don't allow width with %F.
8795 (check_format_info): Don't allow "Z" length with scanf.
8797 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
8799 * diagnostic.c (finish_diagnostic): Define.
8800 (output_do_printf): Use wrap_text instead of output_add_string.
8801 (default_print_error_function): Avoid embedded '\n'.
8803 * diagnostic.h (flush_diagnostic_buffer): Declare.
8805 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
8807 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
8809 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
8811 * Makefile.in (GCC_PASSES): Add specs.
8813 2000-08-23 Jim Wilson <wilson@cygnus.com>
8815 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
8816 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
8817 EHANDLER nor UHANDLER bit is set.
8818 (__get_except_table): Likewise.
8820 2000-08-23 Nick Clifton <nickc@redhat.com>
8822 * config/arm/lib1funcs.asm: Replace upper case condition codes
8823 with lower case versions.
8825 * config/arm/arm.h (STRUCT_VALUE): Define.
8826 (STRUCT_VALUE_REGNUM): Delete.
8828 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
8830 * cpphash.h (IN_I): New flag for directive table.
8831 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
8833 (_cpp_check_directive): If -fpreprocessed, execute directives
8834 marked with IN_I. Issue no warnings in this case.
8835 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
8837 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
8839 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
8841 (check_format_info): Support printf 'I' flag; warn about it with
8844 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
8846 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
8847 barrier can't be ignored by the alias analysis code.
8849 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
8851 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
8852 works inside fixincl.
8854 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
8856 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
8857 simplify_relational_operation() unless both operands are of
8859 * cse.c (fold_rtx): Likewise.
8861 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
8863 * rtlanal.c (rtx_unstable_p): The pic register is stable
8864 (within one function) and the actual rtx should be used
8865 when checking the registers.
8866 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
8868 * alias.c (true_dependence, write_dependence_p): Fix
8869 bug in previous patch.
8871 * i386.c (ix86_GOT_alias_set): New.
8872 (legitimize_pic_address): Use it.
8874 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
8875 only stable if its address is stable.
8876 (rtx_varies_p): An unchanging MEM can't vary if
8877 its address doesn't vary.
8879 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8881 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
8883 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
8885 * vax.h (ASM_SPEC): Pass `-J' to assembler.
8886 * x-vax-gcc: New file for bootstrapping with gcc.
8887 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
8888 * configure.in: Use x-vax-gcc with gcc.
8889 * configure: Rebuilt.
8891 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8893 * toplev.c (rest_of_compilation): Rebuild label notes after
8894 post-reload splitting pass if new labels have been created.
8896 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
8898 * diagnostic.h (output_buffer_state): New macro.
8899 * diagnostic.c (diagnostic_for_decl, sorry,
8900 default_print_error_function, output_do_verbatim,
8901 report_diagnostic, report_problematic_module): Use it.
8903 (output_format): Use wrap_text instead of maybe_wrap_text.
8905 2000-08-22 Nick Clifton <nickc@redhat.com>
8907 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
8908 Common code for ARM divide and modulus functions.
8909 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
8911 (FUNC_END): New macro: Common code at the end of the division and
8913 (THUMB_FUNCTION_START): New macro: Common code at the start of
8915 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
8917 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
8919 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
8921 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
8922 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
8925 2000-08-22 Nick Clifton <nickc@redhat.com>
8927 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
8928 restorative additions, test for bottom bits of IP being set,
8929 rather than relying upon the RORs not matching.
8932 2000-08-22 David Edelsohn <edelsohn@gnu.org>
8934 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
8935 text_section() as appropriate instead of emitting text csect
8937 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
8938 (UNIQUE_SECTION): Define macro.
8939 (ASM_OUTPUT_SECTION_NAME): Define macro.
8940 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
8941 on AIX if debugging and -fdata-sections always.
8943 2000-08-22 Steven King <sxking@uswest.net>
8945 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
8947 (LDBL_MAX): Same here.
8949 2000-08-22 Richard Henderson <rth@cygnus.com>
8951 * flow.c (tidy_fallthru_edge): Update b->end properly.
8953 2000-08-22 Stan Cox <scox@redhat.com>
8955 * Makefile.in (OBJS): Add dependence.o.
8956 * dependence.c: New file.
8958 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
8960 * calls.c (check_sibcall_argument_overlap_1): Adjust for
8962 (check_sibcall_argument_overlap): Likewise.
8964 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
8966 * invoke.texi (SH Options): Document -m4-nofpu,
8967 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
8968 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
8970 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
8972 * c-common.c (check_format_info): Give the 'some locales' warning
8973 for strftime %Ey rather than the unconditional 'only last 2 digits
8976 2000-08-22 Richard Henderson <rth@cygnus.com>
8978 * alias.c (init_alias_analysis): Do not register
8979 struct_value_incoming_rtx or static_chain_rtx as pointing
8982 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
8984 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
8986 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
8988 * diagnostic.h (report_problematic_module): Declare.
8989 * diagnostic.c (report_problematic_module): New function.
8990 (report_error_function): Tweak.
8992 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8994 * stmt.c (expand_goto_internal, fixup_gotos): Only check
8995 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
8997 2000-08-21 Richard Henderson <rth@cygnus.com>
8999 * flow.c (calculate_global_regs_live): Mark frame pointer live
9000 everywhere before reload.
9002 2000-08-21 Jim Wilson <wilson@cygnus.com>
9004 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
9005 INTEL_EXTENDED_IEEE_FORMAT.
9006 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
9007 clear last two bytes of output FP value.
9009 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
9011 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
9013 2000-08-21 Jakub Jelinek <jakub@redhat.com>
9015 * unroll.c (loop_find_equiv_value): If ret is modified between
9016 insn and loop_start, ret might not be equivalent to reg.
9018 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
9020 * c-common.c (init_dollar_format_checking,
9021 maybe_read_dollar_number, finish_dollar_format_checking): New
9023 (dollar_arguments_used, dollar_arguments_count,
9024 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
9026 (check_format_info): Support $ formats for scanf and printf width
9027 and precision. Always increment format_chars to advance past the
9028 '*' of precision, not just when the format parameters are
9031 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9033 * mips.c (block_move_loop, expand_block_move,
9034 function_arg_partial_nregs, save_restore_insns, function_prologue,
9035 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
9037 (function_arg_advance, function_arg): Match argument to format
9040 2000-08-21 Nix <nix@esperi.demon.co.uk>
9042 * gcc.c (do_spec_1): Implement %j spec flag.
9043 Remove dead comment.
9045 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
9046 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
9047 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
9048 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
9050 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
9051 writable) instead of hardcoded value.
9053 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
9055 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
9058 * gcc.c (cc1_options): Do not process -o or run the assembler if
9060 * objc/lang-spec.h: Likewise.
9062 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
9064 * fixinc/fixincl.c (fix_with_system): Pipe the output of
9065 "external" fixes through `cat', to avoid truncating the input
9066 file by redirection.
9068 2000-08-21 Jakub Jelinek <jakub@redhat.com>
9070 * config/i386/i386.md (lea_general_1): Copy insn condition to split
9072 (lea_general_2, lea_general_3): Likewise.
9074 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9076 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
9077 warnings to user code.
9079 * c-lex.c (readescape, yylex): Likewise.
9081 * c-typeck.c (store_init_value, process_init_element): Likewise
9082 (c_expand_start_case): Format.
9084 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
9086 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
9088 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
9089 and linker_endian_spec to endian_spec.
9090 (ENDIAN_SPEC): Add %{EB} and %{EL}.
9091 (LINK_SPEC): Remove %{EB} and %{EL}.
9092 (ASM_SPEC): Likewise. Use %(endian_spec).
9094 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
9096 * c-tree.h (flag_hosted): Move declaration from here...
9097 * c-common.h (flag_hosted): ... to here.
9098 (flag_noniso_default_format_attributes): New declaration.
9099 * c-decl.c (flag_noniso_default_format_attributes): New variable.
9100 (c_decode_option): Set it appropriately for options choosing
9101 language standard variant.
9102 * c-common.c (init_function_format_info): Only provide default
9103 format attributes if flag_hosted. Only provide the gettext
9104 formats if flag_noniso_default_format_attributes. Update
9106 (check_format_info): Disable treatment of %a as a scanf flag in
9109 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
9111 * c-common.c (scan_char_table): Add 'w' to flags for all formats
9113 (check_format_info): Set 'wide' for scanf format widths. Warn for
9114 a zero scanf width. Make the check for writing into a constant
9115 object at the first level of indirection; at later levels, warn if
9116 any type qualifiers are encountered.
9118 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
9120 * reload.c (reload_inner_reg_of_subreg): New function broken out of
9122 (push_reload): Use reload_inner_reg_of_subreg.
9123 (combine_reloads): Do not combine reloads if the input reload
9124 is a SUBREG in which the inner part will need reloading.
9126 * global.c (global_alloc): Avoid passing dumpfile argument to
9128 * toplev.c (rest_of_compilation): Likewise.
9129 * reload.h (reload): Remove dumpfile argument. Callers changed.
9130 (debug_reload, debug_reload_to_stream): Move prototypes here.
9131 * rtl.h (reload): Remove dumpfile argument.
9132 * reload.c (debug_reload): Remove prototype.
9133 (debug_reload_to_stream): Likewise.
9134 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
9137 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
9139 * diagnostic.c (context_as_prefix): Export.
9140 (need_error_newline): Remove.
9141 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
9142 (error_module_changed, record_last_error_module,
9143 error_function_changed, record_last_error_function): New functions.
9144 (initialize_diagnostics): Default intialize
9145 lang_diagnostic_starter, lang_diagnostic_finalizer.
9146 (init_output_buffer): Tweak.
9147 (file_name_as_prefix): New function.
9148 (announce_function, default_print_error_function,
9149 report_error_function, set_diagnostic_context): Tweak.
9151 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
9153 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
9154 condition expression.
9156 2000-08-20 Richard Henderson <rth@cygnus.com>
9158 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
9160 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
9162 * cppinit.c (cpp_init): Set global flag when called.
9163 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
9165 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
9167 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
9168 before `process_directive' so that newlines won't be missed
9170 (cpp_printf): Increment `print->lineno' when newline is emitted.
9172 * cppmain.c (cb_ident): Likewise.
9173 (cb_define): Likewise.
9174 (cb_undef): Likewise.
9175 (cb_include): Likewise.
9176 (cb_def_pragma): Likewise.
9177 (dump_macros_helper): Likewise.
9179 2000-08-20 Richard Henderson <rth@cygnus.com>
9181 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
9182 assigned before a loop.
9184 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
9185 (ashrsi3, lshrsi3): Likewise.
9187 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
9189 * c-lang.c: #include diagnostic.h
9190 (c_tree_printer): New function.
9191 (lang_init): Initialize lang_printer.
9193 * Makefile.in (c-lang.o): Depends on diagnostic.h
9195 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
9197 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
9199 * diagnostic.c (default_diagnostic_starter,
9200 default_diagnostic_finalizer): New functions.
9201 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
9202 (pedwarn, pedwarn_with_file_and_line, error,
9203 error_with_file_and_line, fatal, warning,
9204 warning_with_file_and_line): Adjust call to report_diagnostic.
9205 (report_diagnostic): Rework.
9206 (set_diagnostic_context): New function.
9208 * diagnostic.h (struct diagnostic_context): New data structure.
9209 (diagnostic_message, diagnostic_argument_list,
9210 diagnostic_file_location, diagnostic_line_location,
9211 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
9212 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
9213 (set_diagnostic_context): Declare.
9214 (report_diagnostic): Change prototype.
9216 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
9218 * fix-header.c (main): Initialize cpplib.
9220 2000-08-19 Michael Meissner <meissner@redhat.com>
9222 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
9223 instructions in it before checking for indirect jumps.
9225 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
9226 in a indirect jump as a potential for conditional execution.
9228 * d30v.h (d30v_init_expanders): Don't declare here.
9229 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
9232 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
9234 * cpp.texi: Add @section for assertions.
9236 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
9238 * loop.c (scan_loop): Use CONST_CALL_P instead of
9239 checking for REG_LIBCALL / REG_RETVAL.
9241 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
9243 * reload1.c (reload_as_needed): Accept dumpfile argument,
9244 pass it to emit_reload_insns.
9245 (emit_reload_insns): Add new dumpfile argument. If non-null
9246 then dump the reloads for each insn into the dumpfile.
9247 (reload): Pass dumpfile to reload_as_needed.
9249 * invoke.texi: Clean up linux-gnu vs linux comments.
9251 2000-08-19 Richard Henderson <rth@cygnus.com>
9253 * config/ia64/ia64.c (reg_or_5bit_operand): New.
9254 (ia64_depz_field_mask): New.
9255 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
9256 (PREDICATE_CODES): Update.
9257 * config/ia64/ia64.md: Update commentary.
9258 (depz_internal): New.
9259 (ashlsi3): Implement directly.
9260 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
9261 (ashldi3): Use shladd.
9262 * config/ia64/ia64-protos.h: Update.
9264 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
9266 * toplev.c (independent_decode_option): Always process -g.
9267 Remove third argument, now unused. Adjust caller to match.
9269 2000-08-18 Richard Henderson <rth@cygnus.com>
9271 * combine.c (make_compound_operation): Break after creating
9274 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
9276 * cpplib.c (cpp_register_pragma_space): Just return if the
9277 namespace is already registered.
9279 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
9281 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
9282 constant amount. Do not generate ROTL instruction.
9284 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
9286 * config/sh/elf.h: Do not include sh/sh.h.
9287 * config/sh/rtems.h: Likewise.
9288 * config/sh/rtemself.h: Do not include sh/elf.h.
9289 * configure.in: Get them included with `tm_file's.
9290 * configure: Rebuilt.
9292 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
9293 * config/sh/sh.c (fpscr_set_from_mem): Use them.
9295 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9297 * stor-layout.c (compute_record_type): Don't use mode of single
9298 field as mode of record if not integer mode of same type.
9300 * regmove.c (perhaps_ends_bb_p): New function.
9301 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
9302 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
9303 (fixup_match_1): Likewise.
9304 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
9305 avoid signed/unsigned warnings.
9307 * function.c (fixup_var_refs_1, case MEM): Update CODE after
9310 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
9312 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
9313 (_cpp_trigraph_map): Declaration moved from cpplex.c
9315 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
9316 instead of 256. Use consistent test for designated initializers.
9317 (cpp_init): Initialize trigraph_map.
9318 (initialize_standard_includes, parse_option): Use memcmp
9321 * cpplex.c (init_trigraph_map): Remove.
9322 (trigraph_ok, trigraph_replace, lex_line): Refer to
9325 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
9326 (do_unassert): Remove unused "next" local.
9328 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
9330 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
9332 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
9335 2000-08-17 Richard Henderson <rth@cygnus.com>
9337 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
9338 the first insn in a sequence.
9340 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
9342 * alias.c (true_dependence, write_dependence_p): A read
9343 involving a label_ref or the constant pool doesn't create
9346 * rtl.h (unchanging): Improve documentation.
9348 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
9350 * cse.c (insert_regs): Remove unused `regno'.
9352 2000-08-17 Neil Booth <NeilB@earthling.net>
9354 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
9355 remove_dup_dirs. If qtail == brack, remove brack not
9357 (remove_dup_dir, remove_dup_dirs): New functions.
9359 2000-08-17 Neil Booth <NeilB@earthling.net>
9361 * cppinit.c (cpp_cleanup): Free include dir chains.
9362 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
9363 (do_unassert): Free the assert with _cpp_free_definition.
9364 * cppmacro.c (_cpp_free_definition): Free memory allocated for
9365 assertions. Make the node a T_VOID node.
9367 2000-08-17 Neil Booth <NeilB@earthling.net>
9369 * cppinit.c (path_include, append_include_chain):
9370 Remove 2nd parameter (struct cpp_pending *).
9371 (path_include, initialize_standard_includes, cpp_handle_option):
9372 Update callers appropriately.
9373 (cpp_handle_option): Use pend.
9375 2000-08-17 Neil Booth <NeilB@earthling.net>
9377 * cppinit.c (sort_options): Remove, put functionality in
9380 (initialize_builtins): Free memory.
9381 (cpp_start_read): Move init_IStable to cpp_init.
9383 * cpplib.h (cpp_init): New prototype.
9384 * cppmain.c (main): Call cpp_init.
9386 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
9388 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
9389 (rtx_unstable_p, rtx_varies_p): Process vectors.
9391 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
9393 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
9394 references to GLOBAL symbols. Use LOCAL where appropriate.
9396 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9398 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
9399 use t-aix41 when host == target.
9401 2000-08-16 Richard Henderson <rth@cygnus.com>
9403 * reload.c (push_secondary_reload): Revert last change.
9404 If we use a reload_in/out pattern, make the when the same
9405 as the primary reload.
9406 (find_reloads): Likewise.
9408 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
9410 * configure.in (libstdcxx-v3): Fix test.
9411 * configure: Regenerate.
9413 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9415 * calls.c (calls_function_1, expand_call): Only test
9416 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
9417 * function.c (thread_prologue_and_epilogue_insns): Likewise.
9419 2000-08-16 Richard Henderson <rth@cygnus.com>
9421 * combine.c (simplify_shift_const): Revert previous two
9422 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
9423 before the main loop.
9425 2000-08-15 Richard Henderson <rth@cygnus.com>
9427 * combine.c (simplify_shift_const): Bound shift count when
9430 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9432 * calls.c (ECF_SP_DEPRESSED): New macro.
9433 (calls_function_1): Treat calling sp-depressed function as alloca.
9434 (emit_call_1): Don't adjust SP if calling sp-depressed function.
9435 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
9436 If sp-depressed, ensure block saves and restores SP.
9437 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
9439 * function.c (keep_stack_depressed): New function.
9440 (thread_prologue_and_epilogue_insns): Call it.
9441 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
9442 to print DECL_OFFSET_ALIGN.
9443 Print no-force-blk and transparent-union flags properly.
9444 * stmt.c (expand_goto_internal): Don't restore stack if last block
9445 and function returns with sp depressed.
9446 (fixup_gotos): Likewise.
9447 (save_stack_pointer): New function, from code in expand_decl.
9448 (expand_decl): Call new function.
9449 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
9450 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
9451 (save_stack_pointer): New declaration.
9453 * diagnostic.c (fatal_function): New variable.
9454 (set_fatal_function): New function.
9456 * diagnostic.h (set_fatal_function): New declaration.
9458 2000-08-15 William Cohen <wcohen@redhat.com>
9460 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
9461 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
9462 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
9464 2000-08-15 Richard Henderson <rth@cygnus.com>
9466 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
9468 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
9470 * arm.c (arm_function_ok_for_sibcall): New function.
9471 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
9472 * arm.md (call expanders): Don't check here for calls that can't
9475 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
9477 * arm.md (splits generating cond_exec): Disable.
9479 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
9481 * arm/linux-elf.h (text_section): Delete declaration.
9483 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
9485 ARM support for unordered FP operations.
9486 * arm-protos.h (arm_comparison_operator): Declare.
9487 * arm.c (arm_comparison_operator): New function.
9488 (arm_select_cc_mode): Add unordered comparison codes.
9489 (get_arm_condition_code): Likewise.
9490 (arm_final_prescan_insn): Can't handle unordered jumps that can't
9491 be done in one insn.
9492 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
9493 * arm.md (all uses of comparison_operator): Replace with
9494 arm_comparison_operator.
9495 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
9497 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
9500 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9502 * gthr-posix.h: Conditionally include <sched.h>; include
9503 <config.h> from libobjc/.
9505 2000-08-14 Richard Henderson <rth@cygnus.com>
9507 * config/i386/i386.c (legitimize_pic_address): Use Pmode
9510 2000-08-14 Richard Henderson <rth@cygnus.com>
9512 * configure.in (ia64-*): Set float_format for i386 long double.
9514 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
9515 as we would for i386 XFmode.
9516 (PUT_REAL): Likewise.
9517 (endian, ereal_atof, real_value_truncate): Likewise.
9518 (ereal_isneg, toe64, etens, make_nan): Likewise.
9519 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
9521 * config/ia64/ia64-protos.h: Update.
9522 * config/ia64/ia64.c (general_tfmode_operand): New.
9523 (destination_tfmode_operand): New.
9524 (tfreg_or_fp01_operand): New.
9525 (ia64_split_timode): New.
9526 (spill_tfmode_operand): New.
9527 (ia64_expand_prologue): Use TFmode not XFmode.
9528 (ia64_expand_epilogue): Likewise.
9529 (ia64_function_arg): Likewise.
9530 (ia64_function_arg_advance): Likewise.
9531 (ia64_return_in_memory): Likewise.
9532 (ia64_function_value): Likewise.
9533 (ia64_print_operand): Likewise.
9534 (ia64_register_move_cost): Set GR<->FR to 5.
9535 (ia64_secondary_reload_class): Get GR for TImode memory op.
9536 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
9537 (ROUND_TYPE_ALIGN): Remove.
9538 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
9539 (INTEL_EXTENDED_IEEE_FORMAT): Define.
9540 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
9541 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
9542 (MODES_TIEABLE_P): Use TFmode, not XFmode.
9543 (CLASS_MAX_NREGS): Likewise.
9544 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
9545 (PREDICATE_CODES): Update.
9546 * config/ia64/ia64.md (movti): New.
9547 (movti_internal): Use a clobber for memory alternatives.
9548 (reload_inti, reload_outti): New.
9549 (movsfcc_astep): Predicate properly.
9550 (movdfcc_astep): Likewise.
9553 (extendsftf2, extenddftf2): New.
9554 (trunctfsf2, trunctfdf2): New.
9555 (floatditf2, fix_trunctfdi2): New.
9556 (floatunsditf2, fixuns_trunctfdi2): New.
9557 (addtf3, subtf3, multf3, abstf2): New.
9558 (negtf2, nabstf2, mintf3, maxtf3): New.
9559 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
9561 (fr_spill): Use TFmode, not XFmode.
9562 (fr_restore): Likewise.
9563 * config/ia64/lib1funcs.asm (__divtf3): New.
9564 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
9566 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9568 * cse.c (fold_rtx): Avoid empty body in an if-statement.
9570 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
9571 `U' integer constant suffix.
9573 * dwarf2out.c (add_subscript_info): Avoid empty body in an
9576 * sparc/sol2.h (__enable_execute_stack): Prototype.
9578 2000-08-14 David Edelsohn <edelsohn@gnu.org>
9580 * collect2.c: Remove use of AIX import file.
9582 * longlong.h: Test ARCH_PWR not ARCH_POWER.
9584 * rs6000.c (print_operand, case 'E'): Add else.
9586 2000-08-14 Richard Henderson <rth@cygnus.com>
9588 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
9589 (movdi_symbolic): New.
9591 2000-08-14 Jim Wilson <wilson@cygnus.com>
9593 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
9594 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
9595 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
9598 2000-08-14 Richard Henderson <rth@cygnus.com>
9600 * expr.c (emit_group_load): Don't force constants into registers.
9601 Special case source already in the correct mode.
9603 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
9605 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
9606 * fixinc/inclhack.def: Likewise.
9607 * fixinc/mkfixinc.sh: Likewise.
9608 * configure: Regenerate.
9609 * fixinc/fixincl.x: Regenerate.
9610 * install.texi: Document equivalence of linux and linux-gnu.
9612 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9614 * cse.c (insert_regs): Also in REG case: When finding an invalid
9615 value, and we make a new quantity, make sure that it won't be
9616 mistaken by for a valid one by mention_regs.
9618 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
9620 * h8300.md: Remove obsolete peepholes.
9622 2000-08-13 Kazu Hirata <kazu@hxi.com>
9624 * invoke.texi (H8/300 Options): Fix typos.
9625 * config/h8300.c: Fix formatting.
9626 * config/h8300.h: Fix comment typos.
9627 (OVERRIDE_OPTIONS): Fix formatting.
9629 * function.c: Fix formatting.
9631 * cse.c: Fix formatting.
9633 2000-08-13 Geoff Keating <geoffk@cygnus.com>
9635 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
9636 (attempt_auto_inc): Suppress parentheses warning.
9637 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
9638 * loop.c (load_mems): Remove `u' suffix in two places.
9639 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
9641 * config/rs6000/rs6000.h: Likewise.
9642 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
9643 __eabi dummy routine.
9644 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
9647 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
9648 not put stuff in .sdata unnecessarily.
9649 (rs6000_unique_section): New function.
9650 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
9651 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
9653 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
9654 arrays in C99. Don't try to look at DECL_REGISTER of a
9655 COMPONENT_REF. Don't complain twice about the same error.
9657 * fixinc/inclhack.def (aix_pthread): New fix.
9658 (aix_sysmachine): New fix.
9659 * fixinc/fixincl.x: Regenerate.
9661 * expr.c (expand_expr): Call convert_modes when turning a large
9662 multiply into a small one.
9664 2000-08-12 Geoff Keating <geoffk@cygnus.com>
9666 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
9667 the tree structure an exponent rather than an explicit alignment
9668 so it doesn't overflow.
9669 (SET_DECL_OFFSET_ALIGN): New macro.
9670 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
9671 rather than DECL_OFFSET_ALIGN.
9672 (place_field): Likewise.
9673 * expmed.c (store_bit_field): Abort on align==0 to avoid
9674 antisocial machine behaviour.
9676 2000-08-12 Richard Henderson <rth@cygnus.com>
9678 * sibcall.c (uses_addressof): Accept both addressof and
9679 current_function_internal_arg_pointer inside a mem.
9680 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
9681 if current_function_uses_addressof.
9682 * stmt.c (expand_return): Kill tail recursion and HAVE_return
9685 2000-08-11 Richard Henderson <rth@cygnus.com>
9687 * config/ia64/ia64.md (addsi3): Remove expander.
9688 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
9689 (*addsi3_shladd): New.
9691 2000-08-11 Richard Henderson <rth@cygnus.com>
9693 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
9694 (do_restore): Likewise.
9695 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
9696 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
9697 (rtx_needs_barrier): Track actual bit manipulation for
9698 ar.unat moves, gr_spill, and gr_restore.
9699 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
9700 (process_set): Don't handle varargs spills.
9701 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
9702 .mem.offset here instead of in process_set.
9703 (gr_restore): Likewise.
9705 2000-08-11 Richard Henderson <rth@cygnus.com>
9707 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
9709 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
9711 * gcc.texi (The Configuration File): Document
9712 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
9713 UPDATE_PATH_HOST_CANONICALIZATION.
9715 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9717 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
9718 unprototyped function pointer casts on integer constants.
9720 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
9722 * fixproto: Recognize DOS paths with drive letters as absolute paths.
9724 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
9726 * extend.texi (Volatiles): Fix typos.
9728 2000-08-11 Kazu Hirata <kazu@hxi.com>
9730 * flow.c: Fix formatting.
9732 2000-08-11 Richard Henderson <rth@cygnus.com>
9734 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
9735 pattern, always allocate a tertiary scratch register.
9737 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
9738 (reload_inhi): Likewise.
9740 2000-08-11 Richard Henderson <rth@cygnus.com>
9742 * function.c (put_reg_into_stack): Allow type to be NULL.
9743 (schedule_fixup_var_refs): Likewise.
9744 (gen_mem_addressof): Allow decl to be NULL.
9745 (put_addressof_into_stack): Likewise.
9747 * flow.c (merge_blocks_nomove): Be more careful about
9748 locating the beginning of block A.
9750 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
9752 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9757 * config.in: Reverted the check for <sched.h>.
9759 2000-08-10 Chris Demetriou <cgd@sibyte.com>
9761 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
9762 macros define the name of CTOR and DTOR sections.
9763 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
9764 DTOR_LIST_END): Change to use attributes to specify
9766 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
9767 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
9768 DTOR_LIST_END): Same as in mips/elf.h.
9770 2000-08-10 Drew Moseley <dmoseley@redhat.com>
9772 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
9773 disabling just crt0.o.
9775 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
9777 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
9778 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
9779 (EXTRA_SPECS): Add them.
9780 * arm/lib1funcs.asm: Support builds for interworking.
9781 Use macros to eliminate duplicated pieces of code.
9783 2000-08-10 Kazu Hirata <kazu@hxi.com>
9785 * h8300.c (expand_a_rotate): New.
9786 (emit_a_rotate): Likewise.
9787 (h8300_adjust_insn_length): Add support for the rotate insns.
9788 * h8300.md (rotlqi3): New.
9789 (*rotlqi3_1): Likewise.
9790 (rotlhi3): Likewise.
9791 (*rotlhi3_1): Likewise.
9792 (rotlhi3): Likewise.
9793 (*rotlhi3_1): Likewise.
9794 * h8300-proto.h: Add prototypes for expand_a_rotate and
9797 * h8300.c: Fix comment typos.
9798 (dosize): Declare the variable amount as unsigned.
9799 (get_shift_alg): Fix a comparison between signed and unsigned.
9800 (emit_a_shift): Likewise.
9801 (h8300_adjust_insn_length): Simplify the code.
9803 * c-decl.c: Fix formatting.
9805 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9807 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
9808 warning about non-traditional numeric constant suffixes.
9810 * cppexp.c (parse_number): Likewise.
9812 * invoke.texi: (-Wtraditional): Document new behavior.
9814 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
9816 * gthr-posix.h: Include auto-host.h. Conditionally include
9818 * configure.in: Check for the <sched.h> header file.
9819 * config.in: Added define for HAVE_SCHED_H.
9821 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9823 * c-typeck.c (process_init_element): For -Wtraditional, warn about
9824 initialization of unions.
9826 * invoke.texi (-Wtraditional): Document new behavior.
9828 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
9830 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
9831 instead of extra_c_flags.
9832 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
9833 * configure: Regenerate.
9834 * config.in: Regenerate.
9836 * cpperror.c (cpp_type2name): New function.
9837 * cpplex.c (lex_line): If we issued an error for an invalid
9838 preprocessing directive, discard that logical line.
9839 * cpplib.c (do_line): Call a hook function if the current file
9840 is renamed by #line.
9841 (do_ident): Pass the contents of the string, not the entire
9842 token, to the callback function.
9843 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
9844 (cb.rename_file): New hook function.
9845 (cb.ident): Adjust prototype.
9846 (cpp_type2name): Prototype.
9847 * cppmacro.c (dump_macro_args): Correct precedence lossage.
9849 * cppmain.c (cb_ident): Update for changed interface.
9850 (cb_rename_file): New function.
9851 (main): Set rename callback.
9853 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
9855 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
9856 multi-word registers.
9858 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
9860 * c-common.c (combine_strings, check_format_info): Refer to ISO C
9861 or ISO C89 instead of ANSI C.
9862 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
9863 build_enumerator, do_case): Likewise.
9864 * c-lex.c (parse_float, yylex): Likewise.
9865 * c-parse.in: Likewise.
9866 * c-typeck.c (common_type, build_array_ref, build_binary_op,
9867 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
9868 build_c_cast, convert_for_assignment, set_init_index,
9869 set_init_label, c_expand_start_case): Likewise.
9870 * toplev.c (documented_lang_options, display_help): Likewise.
9872 2000-08-08 Kazu Hirata <kazu@hxi.com>
9874 * h8300.c: Fix formatting.
9875 * h8300.h: Likewise.
9876 * h8300.md: Likewise.
9877 (movsi_h8300hs): Fix formatting of the resulting assembly code.
9879 * reload1.c: Fix formatting.
9881 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
9883 * alpha/alpha.c (alpha_emit_xfloating_libcall):
9884 Use GEN_CALL_VALUE define.
9885 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
9886 * clipper/clipper.md (untyped_call): Likewise.
9887 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
9888 * fx80/fx80.md (untyped_call): Likewise.
9889 * mips/mips.md (untyped_call): Likewise.
9890 * ns32k/ns32k.md (untyped_call): Likewise.
9891 * pa/pa.md (untyped_call): Likewise.
9892 * romp/romp.md (untyped_call): Likewise.
9893 * sparc/sparc.md (untyped_call): Likewise.
9895 2000-08-08 Jason Eckhardt <jle@cygnus.com>
9897 * config/i860/i860.c (singlemove_string): Do not generate assembler
9898 pseudo instructions that must be expanded (that is, with signed
9899 constants larger than 16 bits).
9901 2000-08-08 Richard Henderson <rth@cygnus.com>
9903 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
9904 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
9905 (init_propagate_block_info): Don't kill memory stores at -O0.
9906 (mark_set_1, mark_used_regs): Likewise.
9908 2000-08-08 David Edelsohn <edelsohn@gnu.org>
9910 * rs6000.c (optimization_options): Decorate 'level' as
9912 (mask64_operand): Remove sign-extend thinko.
9913 (rldic_operand): New function.
9914 (load_multiple_operation): regno's are unsigned ints.
9915 (store_multiple_operation): Likewise.
9916 (lmw_operation): Likewise.
9917 (stmw_operation): Likewise.
9918 (includes_lshift_p): shift_mask is unsigned int.
9919 (includes_lshift64_p): New function.
9920 (addrs_ok_for_quad_peep): unsigned int reg1.
9921 (print_operand): Consistently add "else" after
9922 output_operand_lossage().
9923 (print_operand, case 'b'): Fold in case 'W'.
9924 (print_operand, case 'W'): Print rldic MB value.
9925 (output_epilogue): Update Objective-C language string.
9926 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
9927 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
9928 * rs6000.md (ashldi3): Add rldic instruction.
9929 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
9930 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
9933 2000-08-08 Richard Henderson <rth@cygnus.com>
9935 * config/ia64/ia64-protos.h: Remove duplicates. Update
9936 for massive code rearrangements.
9937 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
9938 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
9939 (ia64_local_regs, ia64_need_regstk): Remove.
9940 (ar_ccv_reg_operand): New.
9941 (ia64_gp_save_reg): New.
9942 (struct ia64_frame_info): Combine most of the size elements;
9943 add new gr save elements.
9944 (find_gr_spill): New.
9945 (next_scratch_gr_reg): New.
9946 (mark_reg_gr_used_mask): New.
9947 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
9948 to GR backing store regs when possible.
9949 (ia64_initial_elimination_offset): New.
9950 (ia64_rap_fp_offset): Remove.
9951 (save_restore_insns): Remove.
9952 (setup_spill_pointers): New.
9953 (finish_spill_pointers): New.
9954 (spill_restore_mem): New.
9955 (do_spill, do_restore): New.
9956 (ia64_expand_prologue): Rewrite to use them.
9957 (ia64_expand_epilogue): Likewise.
9958 (ia64_direct_return): Update for current_frame_info changes.
9959 (ia64_function_prologue): Simplify .prologue emission. Emit
9961 (ia64_setup_incoming_varargs): Don't ever emit rtl.
9962 (ia64_dbx_register_number): New.
9963 (ia64_initialize_trampoline): New.
9964 (ia64_secondary_reload_class): Request GR_REGS for integer
9965 arithmetic destined for FR_REGS.
9966 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
9967 (ia64_mark_machine_status): Mark ia64_gp_save.
9968 (rws_access_regno): Rename from rws_access_reg; don't treat
9969 predicates specially.
9970 (rws_access_reg): New. Update all callers.
9971 (rtx_needs_barrier): Remove dead unspecs.
9972 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
9973 (ia64_encode_section_info): Silence signed/unsigned warnings.
9974 (spill_offset, sp_offset, spill_offset_emitted): Remove.
9975 (tmp_reg, tmp_saved): Remove.
9976 (process_set): Rewrite to expect complicated bits via
9977 REG_FRAME_RELATED_EXPR.
9978 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
9979 in the use of ar.ccv; never set RTX_UNCHANGING_P.
9980 (ia64_expand_op_and_fetch): Likewise.
9981 (ia64_expand_compare_and_swap): Likewise.
9982 (ia64_expand_builtin): Likewise.
9983 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
9984 (FIRST_PSEUDO_REGISTER): Update.
9985 (AR_M_REGNO_P): Update.
9986 (FIXED_REGS): Don't mark three local registers as used.
9987 (EXTRA_CC_MODES): New.
9988 (SELECT_CC_MODE): New.
9989 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
9990 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
9991 (FRAME_GROWS_DOWNWARD): Unset.
9992 (STARTING_FRAME_OFFSET): Zero.
9993 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
9994 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
9995 (HARD_FRAME_POINTER_REGNUM): New.
9996 (CAN_DEBUG_WITHOUT_FP): Define.
9997 (TRAMPOLINE_TEMPLATE): Remove.
9998 (TRAMPOLINE_SIZE): Lower to 32.
9999 (TRAMPOLINE_ALIGNMENT): Lower to 64.
10000 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
10001 (PREDICATE_CODES): Update.
10002 (struct machine_function): Add ia64_gp_save.
10003 * config/ia64/ia64.md: Purge unused unspecs.
10004 (movsi patterns): Allow moves to/from AR_M_REGS.
10005 (movdi patterns): Allow moves to/from p0.
10006 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
10007 (gr_spill, gr_restore): Indicate ar.unat read/written.
10008 (nonlocal_goto): Don't pass old frame_pointer.
10009 (nonlocal_goto_receiver): Remove.
10010 (exception_receiver): New.
10011 (builtin_setjmp_setup): New.
10012 (builtin_setjmp_receiver): New.
10013 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
10014 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
10015 (__ia64_restore_stack_nonlocal): Likewise.
10016 (__ia64_trampoline): New.
10017 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
10019 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
10021 2000-08-08 Richard Henderson <rth@cygnus.com>
10023 * frame.h (ia64_frame_state): Add my_psp.
10024 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
10025 (__throw): Pass it in. Don't clobber r7.
10026 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
10027 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
10028 and nothing to do with sp.
10029 (normalize_reg_loc): Use frame->my_psp.
10030 (frame_translate): Handle frame-pointer-less functions. Set
10031 spill_base correctly, in absence of being told.
10032 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
10033 (__ia64_backtrace_helper): New sp argument. Use
10034 builtin_return_address instead of label addresses.
10035 (print_record) [mem_stack_v]: No size member.
10037 2000-08-08 Richard Henderson <rth@cygnus.com>
10039 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
10041 2000-08-08 Richard Henderson <rth@cygnus.com>
10043 * tm.texi (LOCAL_REGNO): Document.
10044 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
10045 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
10046 * reload1.c (reload): Likewise when considering nonlocal labels.
10048 * config/ia64/ia64.h (LOCAL_REGNO): New.
10049 * config/sparc/sparc.h (LOCAL_REGNO): New.
10051 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
10053 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
10055 2000-08-07 Nick Clifton <nickc@redhat.com>
10057 * config/mips/mips.c: Fix compile time warning messages.
10058 * config/mips/mips-protos.h: Add prototype for equality_op.
10060 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
10062 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
10064 * mn10300.md: Use nonimmediate_operand instead of general_operand
10065 on output operands.
10067 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
10069 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
10071 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
10072 * sh.c (expand_block_move): Break long lines.
10073 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
10074 * sh.md (mulsi3): Likewise.
10075 (movdi): Adjust spacing.
10077 2000-08-07 Richard Henderson <rth@cygnus.com>
10079 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
10080 * expr.c (emit_group_store): Don't set it.
10082 2000-08-07 Kazu Hirata <kazu@hxi.com>
10084 * invoke.texi (Options for Debugging Your Program or GCC): Remove
10085 duplicate entries for 'w' and 'z'.
10087 * flow.c: Fix a comment typo.
10089 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
10091 * c-parse.in: Changed the language string for Objective-C to "GNU
10094 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
10096 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
10097 to improve the Posix thread support for Objective-C.
10099 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
10101 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
10102 CTI_UNSIGNED_PTRDIFF_TYPE.
10103 (signed_size_type_node): Define.
10104 (unsigned_ptrdiff_type_node): Define.
10105 * c-decl.c (init_decl_processing): Create the
10106 signed_size_type_node and unsigned_ptrdiff_type_node types.
10107 * c-common.c (T_SC): Define.
10110 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
10111 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
10113 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
10114 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
10115 flags for %c, %s and %[.
10116 (check_format_info): Only allow leniency for signedness of targets
10117 of character pointers (when pedantic) for formats flagged with
10118 "c", so for strings but not for %hh formats. When pedantic, don't
10119 allow character pointers to substitute for void pointers if a
10120 second level of indirection is present.
10122 2000-08-06 Kazu Hirata <kazu@hxi.com>
10124 * invoke.texi (Options for Debugging Your Program or GCC): Update
10125 the names of dump files.
10127 * h8300.c (dosize): Rearrange code for conciseness.
10128 (split_adds_subs): Likewise.
10130 * loop.c: Fix formatting.
10132 * dwarf2out.c: Fix formatting.
10134 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
10136 * expr.c: Fix formatting.
10138 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10140 * rs6000.c (rs6000_maybe_dead): Prototype.
10142 2000-08-06 Richard Henderson <rth@cygnus.com>
10144 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
10145 HAVE_nonlocal_goto as well.
10146 * config/i960/i960.md (nonlocal_goto): Don't do it here.
10147 * config/pj/pj.md (nonlocal_goto): Likewise.
10149 2000-08-07 Michael Hayes <mhayes@cygnus.com>
10151 * loop.c (try_swap_copy_prop): New function.
10152 (load_mems): Rename copies to load_copies and add new regset
10153 store_copies. Check for sets of shadow registers and mark
10154 in store_copies. Call try_swap_copy_prop for registers
10155 marked in store_copies.
10157 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
10159 * objc/objc-act.c: New command line option -fconstant-string-class
10160 to allow specifying a user defined constant string class,
10161 different from NXConstantString.
10163 * toplev.c: Moved the Objective-C specific options to
10164 objc/lang-options.h.
10166 * objc/lang-options.h: Moved the Objective-C specific options from
10167 toplev.c. Added -fconstant-string-class.
10169 2000-08-05 Chris Demetriou <cgd@sibyte.com>
10171 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
10172 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
10173 __CTOR_LIST__ from func_ptr array to just func_ptr, to
10174 avoid extra alignment imposed on arrays.
10175 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
10176 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
10178 * mips.h: Clean up comments and spacing near MASKs.
10179 (TARGET_UNIX_ASM): Delete.
10180 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
10181 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
10184 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
10186 * c-common.c (print_char_table): Add entries for the X/Open '
10187 format flag (print decimals with locale's thousands grouping
10188 character). Make %C expect wint_t.
10189 (check_format_info): If pedantic, warn when the %n$ operand
10190 number form is used. Allow for the ' flag; warn about it if
10193 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
10195 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
10196 type is a float mode, cfun->decl's return type is not, and
10197 TARGET_FLOAT_RETURNS_IN_80387.
10199 2000-08-04 Andreas Schwab <schwab@suse.de>
10201 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
10202 token list, which are always `#' and `pragma'.
10204 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
10206 * tree.c (tree_expr_nonnegative_p): Move to...
10207 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
10208 (rtl_expr_nonnegative_p): New.
10209 * tree.h: Add prototype for rtl_expr_nonnegative_p.
10211 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
10212 CONST_DOUBLE_CHAIN: Move to...
10213 * rtl.h: ...here. Use XCINT/XCEXP.
10215 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
10216 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
10217 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
10220 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
10222 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10224 * config/c4x/c4x.md (return_indirect_internal): New.
10225 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
10227 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
10229 * c-common.c (time_char_table): Mark up formats added in C99 and
10230 make other corrections. %D and %g were added in C99. %Og is an
10231 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
10232 C99. %e was added in C99. %Oj is an extension. %G and %z are in
10233 C99 rather than GNU extensions, but %OG and %Oz are extensions.
10234 %h was added in C99. %C was added in C99. %OY and %OC are
10235 extensions. Add the C99 format %F.
10236 (check_format_info): If pedantic and not in C99 mode, warn for C99
10237 formats, %E and %O.
10239 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10241 * function.c (schedule_fixup_var_refs): New function, broken out
10242 of put_reg_into_stack.
10243 (put_reg_into_stack): Use it.
10244 (put_var_into_stack): In CONCAT case, fixup up references for
10245 components only after fixing up references to the whole concat.
10247 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
10249 * alias.c (mark_constant_function): Use INSN_P.
10250 (init_alias_analysis): Likewise.
10251 * combine.c (combine_instructions): Use INSN_P.
10252 (can_combine_p): Likewise.
10253 (try_combine): Likewise.
10254 (distribute_notes): Likewise.
10255 (distribute_links): Likewise.
10256 * cse.c (cse_around_loop): Use INSN_P.
10257 (invalidate_skipped_block): Likewise.
10258 (cse_set_around_loop): Likewise.
10259 (cse_end_of_basic_block): Likewise.
10260 (delete_trivially_dead_insns): Likewise.
10261 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
10262 (unshare_all_rtl_1): Likewise.
10263 (next_cc0_user): Likewise.
10264 (try_split make_insn_raw): Likewise.
10265 (remove_unnecessary_notes): Likewise.
10266 * final.c (shorten_branches): Use INSN_P.
10267 (leaf_renumber_regs): Likewise.
10268 (leaf_renumber_regs_insn): Likewise.
10269 * flow.c (find_label_refs): Use INSN_P.
10270 (verify_wide_reg): Likewise.
10271 (notice_stack_pointer_modification): Likewise.
10272 (count_or_remove_death_notes): Likewise.
10273 (verify_flow_info): Likewise.
10274 (clear_log_links): Likewise.
10275 * function.c (fixup_var_refs_insns): Use INSN_P.
10276 (compute_insns_for_mem): Likewise.
10277 * gcse.c (alloc_gcse_mem): Use INSN_P.
10278 (compute_sets): Likewise.
10279 (compute_hash_table): Likewise.
10280 (classic_gcse): Likewise.
10282 (insert_insn_end_bb): Likewise.
10283 (delete_null_pointer_checks_1): Likewise.
10284 * global.c (expand_preferences): Use INSN_P.
10285 (build_insn_chain): Likewise.
10286 * graph.c (node_data): Use INSN_P.
10287 * haifa-sched.c (priority): Use INSN_P.
10288 (rm_line_notes): Likewise.
10289 (rm_other_notes): Likewise.
10290 (find_insn_reg_weight): Likewise.
10291 (init_target_units): Likewise.
10292 (schedule_block): Likewise.
10293 (compute_block_forward_dependences): Likewise.
10294 (debug_dependencies): Likewise.
10295 (set_priorities): Likewise.
10296 * integrate.c (function_cannot_inline_p): Use INSN_P.
10297 (save_parm_insns): Likewise.
10298 (copy_insn_list): Likewise.
10299 * jump.c (mark_all_labels): Use INSN_P.
10300 (never_reached_warning): Likewise.
10301 * lcm.c (optimize_mode_switching): Use INSN_P.
10302 * local-alloc.c (validate_equiv_mem): Use INSN_P.
10303 (memref_used_between_p): Likewise.
10304 (update_equiv_regs): Likewise.
10305 (block_alloc): Likewise.
10306 (no_conflict_p): Likewise.
10307 * loop.c (scan_loop): Use INSN_P.
10308 (find_and_verify_loops): Likewise.
10309 (count_loop_regs_set): Likewise.
10310 (loop_reg_used_before_p): Likewise.
10311 (strength_reduce): Likewise.
10312 (recombine_givs): Likewise.
10313 (check_dbra_loop): Likewise.
10314 (load_mems): Likewise.
10315 (try_copy_prop): Likewise.
10316 * print-rtl.c (print_rtx): Use INSN_P.
10317 * recog.c (find_single_use): Use INSN_P.
10318 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
10319 (next_flags_user): Likewise.
10320 (swap_rtx_condition): Likewise.
10321 * regmove.c (mark_flags_life_zones): Use INSN_P.
10322 (optimize_reg_copy_1): Likewise.
10323 (optimize_reg_copy_2): Likewise.
10324 (optimize_reg_copy_3): Likewise.
10325 (reg_is_remote_constant_p): Likewise.
10326 (fixup_match_2): Likewise.
10327 (regmove_optimize): Likewise.
10328 (fixup_match_1): Likewise.
10329 * regrename.c (build_def_use): Use INSN_P.
10330 (replace_reg_in_block): Likewise.
10331 (consider_use): Likewise.
10332 * reload.c (find_equiv_reg): Use INSN_P.
10333 * reload1.c (reload): Use INSN_P.
10334 (maybe_fix_stack_asms): Likewise.
10335 (calculate_needs_all_insns): Likewise.
10336 (reload_as_needed): Likewise.
10337 (emit_output_reload_insns): Likewise.
10338 (delete_address_reloads_1): Likewise.
10339 (reload_cse_regs_1): Likewise.
10340 (reload_combine): Likewise.
10341 (reload_cse_move2add): Likewise.
10342 * reorg.c (redundant_insn): Use INSN_P.
10343 (dbr_schedule): Likewise.
10344 * resource.c (find_dead_or_set_registers): Use INSN_P.
10345 (mark_target_live_regs): Likewise.
10346 * rtlanal.c (reg_used_between_p): Use INSN_P.
10347 (reg_referenced_between_p): Likewise.
10348 (reg_set_between_p): Likewise.
10349 (reg_set_p): Likewise.
10350 (single_set): Likewise.
10351 (multiple_sets): Likewise.
10352 (find_last_value): Likewise.
10353 (reg_set_last): Likewise.
10354 (find_reg_note): Likewise.
10355 (find_regno_note): Likewise.
10356 * sibcall.c (sequence_uses_addressof): Use INSN_P.
10357 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
10358 * ssa.c (find_evaluations): Use INSN_P.
10359 (rename_block): Likewise.
10360 (rename_equivalent_regs): Likewise.
10361 * unroll.c (loop_find_equiv_value): Use INSN_P.
10362 (set_dominates_use): Likewise.
10363 * varasm.c (mark_constant_pool): Use INSN_P.
10364 (mark_constants): Likewise.
10365 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
10366 (alphaev4_next_group): Likewise.
10367 (alphaev5_next_group): Likewise.
10368 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
10369 (c4x_rptb_rpts_p): Likewise.
10370 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
10371 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
10372 (rs6000_adjust_priority): Likewise.
10373 * config/sh/sh.c (sh_loop_align): Use INSN_P.
10374 (machine_dependent_reorg): Likewise.
10375 (split_branches): Likewise.
10376 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
10378 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
10380 * combine.c (recog_for_combine): Remove the old notes
10381 prior to attempting to recognize the new pattern.
10382 (distribute_notes): Ignore REG_NONNEG notes.
10384 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
10386 * varasm.c (output_constructor): Add .align 0 for packed vars.
10388 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
10390 * configure.in: Use default thread_file even when enable_threads is
10391 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
10392 * configure: Rebuilt.
10394 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
10396 2000-08-04 Donn Terry (donnte@microsoft.com)
10398 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
10400 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
10402 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
10403 Delete code that conditionally modifies 'version'.
10404 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
10405 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
10406 * gcc.c (main): Use it.
10407 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
10408 * prefix.c (update_path): Use it.
10409 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
10410 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
10411 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
10413 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
10414 (SUBTARGET_SWITCHES): Adjust.
10415 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
10417 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
10419 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
10421 * c-common.h (flag_isoc94): Declare.
10422 * c-decl.c (flag_isoc94): Define.
10423 (c_decode_option): Set flag_isoc94 as appropriate.
10424 * c-common.c (T_PD, T_IM, T_UIM): Define.
10425 (format_char_info): Add tlen and jlen.
10426 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
10428 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
10430 (time_char_table): Add NULL entries for %t and %j.
10431 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
10432 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
10433 Warn for printf %lf if pedantic and not C99. Don't warn for empty
10434 precision. Allow precision argument to be unsigned int. If
10435 pedantic, warn for %p passed an argument not a pointer to possibly
10436 qualified void or a possibly qualified character type, and for
10437 pointer targets of the wrong sign, except for character pointers.
10439 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
10441 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
10442 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
10443 (wint_type_node): Define.
10444 * c-decl.c (WINT_TYPE): Define.
10445 (init_decl_processing): Create the wint_type_node type.
10446 * c-common.c (T_WI): Define.
10447 (print_char_table): Use T_WI for %lc format.
10449 2000-08-04 Bruce Korb <bkorb@gnu.org>
10451 * fixinc/: Verified that the MSDOS patch does not break
10452 the UNIX functionality and applied the next three patches
10455 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
10457 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
10458 output file with the temporary one by appending ".X" to generate
10459 the temporary fuile's name. If the output file already has an
10460 extension, replace it with ".X".
10462 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
10463 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
10464 reallocate the command buffer while copying the command-line
10465 argument. Redirect the output directly to the temporary file,
10466 instead of going through another temporary file.
10467 (process): Close the temporary file before unlinking it.
10468 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
10469 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
10470 (run_compiles): Pass p_fixd argument to machine_matches, as it
10473 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
10474 environment, assume there are no symlinks in the include
10475 directory. When cleaning up the DONE files, look for them
10476 case-insensitively. Don't try to remove symlinks if they aren't
10479 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
10480 all callers changed. Declare pz "const char *", to avoid compiler
10483 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
10484 Change prototype of make_raw_shell_str.
10486 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
10488 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
10489 (initialize) [__MSDOS__]: Use tempnam.
10490 (initialize): Don't use SIGPIPE if it is not defined.
10492 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
10495 2000-07-25 Bruce Korb <bkorb@gnu.org>
10497 * fixinc/fix*.[ch]: substantially reworked to make it possible
10498 to run this program without using fork(2) or pipe(2) (i.e. in
10499 a DOS environment).
10501 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
10503 * cppdefault.h (WINT_TYPE): Define.
10504 * cppinit.c (builtin_array): Define __WINT_TYPE__.
10505 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
10506 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
10508 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
10510 * (mips_legitimate_address_p): Don't allow register+offset
10511 if the offset is large and negative, and we are compiling
10512 for 64 bit registers.
10514 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10516 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
10517 insn_code_number + 1.
10519 2000-08-04 Kazu Hirata <kazu@hxi.com>
10521 * h8300.c (function_prologue): Rearrange code for conciseness.
10522 (function_epilogue): Likewise.
10523 * h8300.h (OK_FOR_U): Fix formatting.
10525 * cse.c: Fix a comment typo. Fix formatting.
10527 2000-08-03 Richard Henderson <rth@cygnus.com>
10529 * config/i386/i386.md (return_indirect_internal): New.
10530 * config/i386/i386.c (ix86_expand_epilogue): Use it.
10532 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
10534 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
10536 (lex_line): Glue @ onto the beginning of identifiers and
10537 string constants, in Objective-C mode.
10538 (output_token, spell_token): Handle CPP_OSTRING.
10539 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
10540 beginning of a NAME or a STRING, in objc mode.
10542 * cpplib.c (get_define_node): Do not permit identifiers that
10543 begin with @ to be #defined.
10544 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
10545 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
10547 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
10548 * c-tree.h (build_objc_string): Delete prototype.
10549 * objc/objc-tree.def: Delete OBJC_STRING_CST.
10550 * c-lex.c (yylex): Use build_string for all three kinds of strings.
10552 * c-parse.in, objc/objc-act.c: Update commentary.
10554 2000-08-03 Mark Mitchell <mark@codesourcery.com>
10556 * extend.texi: Fix typo in last change.
10558 * extend.texi: Add commentary on statement-expressions and their
10559 interactions with C++.
10561 2000-08-03 Nick Clifton <nickc@cygnus.com>
10563 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
10564 * dwarf.h (LANG_JAVA): Change value to 0x000b.
10566 2000-08-03 Anthony Green <green@cygnus.com>
10568 * dwarf2out.c (gen_compile_unit_die): Add java language support.
10569 (add_bound_info): Check for java language.
10570 (is_java): New function.
10571 * dwarfout.c (output_compile_unit_die): Ditto.
10572 * dwarf.h (dwarf_source_language): Add java source language type.
10573 * dwarf2.h (dwarf_source_language): Ditto.
10575 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
10577 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
10580 * i386.c (ix86_expand_branch): Mode of comparison in
10581 IF_THEN_ELSE is VOIDmode.
10583 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
10585 * gengenrtl.c, rtl.c: Avoid #elif.
10587 2000-08-03 Michael Poole <poole@troilus.org>
10589 * tm.texi (Register Classes): Clarify order of sub-initializers
10590 in REG_CLASS_CONTENTS.
10592 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10594 From SAITOH Masanobu:
10595 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
10597 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
10599 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
10600 is not supported by tradcpp and isn't actually needed for cygwin.
10602 2000-08-03 Kazu Hirata <kazu@hxi.com>
10604 * h8300.c: Fix a comment typo.
10605 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
10607 * jump.c: Fix formatting.
10609 * toplev.c: Fix formatting.
10611 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
10613 * flow.c (find_auto_inc): Verify that we've got a REG before
10614 peeking at its regno. Fail, don't abort if we can't find
10615 the increment of the desired register.
10617 * pa.md (shadd height reduction patterns/splitters): Remove.
10619 2000-08-02 Jim Wilson <wilson@cygnus.com>
10621 * config/ia64/ia64-protos.h (flag_ssa): Declare.
10622 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
10624 2000-08-02 Mark Mitchell <mark@codesourcery.com>
10626 * dce.c: Remove all uses of assert.
10627 * dwarf2out.c: Likewise.
10628 * dwarfout.c: Likewise.
10631 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
10633 * gcc.h (lang_specific_driver): Constify second argument.
10634 * gcc.c (translate_options, process_command, main): Likewise.
10635 Constify variables to match. Cast second argument to
10638 * cppspec.c, gccspec.c: Adjust type of second argument to
10639 lang_specific_driver, and update code as necessary.
10641 2000-08-02 Jakub Jelinek <jakub@redhat.com>
10643 * loop.c (scan_loop): Ensure update_end label does not
10644 go away until reg_scan_update is run.
10646 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
10648 * c-common.h: Prototype min_precision and c_build_qualified_type here...
10649 * c-tree.h: ... not here.
10650 * errors.h: Prototype fancy_abort.
10652 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
10653 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
10654 * regrename.c (regrename_optimize): Make control flow explicit.
10655 (replace_reg_in_block): Initialize reg_use to 0.
10657 * i386.c (legitimate_address_p): Rename error label to
10658 report_error to avoid namespace clash.
10660 2000-08-02 Kazu Hirata <kazu@hxi.com>
10662 * fold-const.c: Fix formatting.
10664 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
10666 * i386.c (legitimate_address_p): Accept other bases than
10667 pic_offset_table_rtx for GOTOFF constructs.
10669 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
10671 * i386.md (shift to lea splitter): Use const_int_operand.
10673 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
10675 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
10676 cppspec.c: Do not use 'legal' or 'illegal' in error messages
10679 * cppmain.c (cb_define, cb_undef): Don't generate any output
10680 if not done_initializing.
10681 * cpplex.c (maybe_paste_with_next): When the token after a ##
10682 is an omitted rest argument, only delete the token before it
10683 if that token is a comma. Do not warn about bogus token
10684 pastes for , ## rest_arg.
10686 * cpp.texi: Update.
10687 * cpp.1: Regenerate.
10689 2000-08-02 Fred Fish <fnf@be.com>
10691 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
10692 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
10695 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
10696 Be directories to search path.
10698 Remove support for __declspec(dllimport) and __declspec(dllexport).
10699 This is leftover cruft from the earlier BeOS gcc port when BeOS
10700 used Microsoft's PE object file format.
10701 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
10702 * config/i386/t-beos (winnt.o): Remove Makefile frag.
10703 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
10704 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
10705 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
10706 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
10707 (REDO_SECTION_INFO_P): Remove.
10708 (ASM_EXPORT_DECL): Remove.
10709 (ASM_DECLARE_FUNCTION_NAME): Remove.
10710 (ASM_DECLARE_OBJECT_NAME): Remove.
10711 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
10712 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
10713 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
10714 (STRIP_NAME_ENCODING): Remove.
10716 Remove support for obsolete version of BeOS that is no longer
10718 * configure.in (i*86-*-beospe*): Remove.
10719 * config/i386/beos-pe.h: Remove.
10721 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
10722 Mark Mitchell <mark@codesourcery.com>
10724 * Makefile.in (OBJS): Added dce.o.
10725 (ssa.o): Updated target to include ssa.h.
10726 (flow.o): Likewise.
10727 (toplev.o): Likewise.
10728 (dce.o): Created target.
10729 * basic-block.h: Added comments.
10730 (INVALID_BLOCK): Added definition.
10731 (connect_infinite_loops_to_exit): Added declaration.
10732 Moved SSA declarations to ssa.h.
10733 * flow.c: Added inclusion of ssa.h.
10734 (struct depth_first_search_dsS, depth_first_search_ds):
10736 (compute_immediate_postdominators): Added definition.
10737 (connect_infinite_loops_to_exit): Likewise.
10738 (flow_dfs_compute_reverse_init): Likewise.
10739 (flow_dfs_compute_reverse_add_bb): Likewise.
10740 (flow_dfs_compute_reverse_execute): Likewise.
10741 (flow_dfs_compute_reverse_finish): Likewise.
10742 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
10743 (LABEL_P): Added definition.
10744 (JUMP_P): Likewise.
10745 (NOTE_P): Likewise.
10746 (BARRIER_P): Likewise.
10747 (JUMP_TABLE_DATA_P): Likewise.
10748 (INSN_DEAD_CODE_P): Likewise.
10749 * ssa.c: Replaced inclusions with ssa.h inclusion.
10750 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
10751 (rename_registers): Removed unnecessary variables.
10752 * ssa.h: Created by moving declarations from ssa.c and
10754 * timevar.def: Defined TV_DEAD_CODE_ELIM.
10755 * toplev.c: Added ssa.h inclusion.
10756 (dump_file_index): Added DFI_dce.
10757 (dump_file): Added "dce" entry.
10759 (f_options): Added dce entry.
10760 * invoke.texi: Document -fdce. Emphasize experimental status of
10764 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
10766 * cpperror.c (v_message): Split into _cpp_begin_message and
10767 v_message macro. All callers updated.
10768 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
10771 * cppfiles.c (cpp_syshdr_flags): New function.
10772 (read_include_file): Don't call cpp_output_tokens. Call
10774 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
10775 (cpp_reader_init): Don't initialize token_buffer. Call
10776 _cpp_init_internal_pragmas.
10777 (cpp_cleanup): Don't clear token_buffer.
10778 (cpp_start_read): Don't worry about output from -D processing.
10779 Don't call cpp_output_tokens.
10780 (cpp_finish): Don't dump macros here. Don't call
10782 * cppmacro.c (_cpp_dump_definition): Rename
10783 cpp_dump_definition. Write directly to a FILE *.
10784 (dump_funlike_macro): Delete.
10785 (dump_macro_args): New.
10787 * cpplex.c (TOKEN_LEN): Convert to inline function.
10788 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
10789 cpp_scan_line, _cpp_dump_list): Delete.
10790 (cpp_printf, cpp_output_list): New.
10791 (output_line_command): Don't worry about entering or leaving files.
10792 (cpp_scan_buffer): Just output each token as we hit it.
10793 (process_directive): Don't call cpp_output_tokens.
10794 (_cpp_glue_header_name): Don't use token_buffer.
10795 (output_token, dump_param_spelling): Write directly to a FILE *.
10797 * cpplib.c (pass_thru_directive, dump_macro_name,
10798 pragma_dispatch, do_pragma_gcc): Delete.
10799 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
10800 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
10802 (do_error, do_warning, pragma_dependency): Call
10803 _cpp_begin_message, then cpp_output_list.
10804 (cpp_register_pragma, cpp_register_pragma_space,
10805 _cpp_init_internal_pragmas): New.
10806 (do_pragma): Walk the pragmas table here.
10807 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
10808 do_pragma_dependency): Return void.
10809 (do_pragma_implementation): Moved to cppmain.c.
10811 * cpplib.h: Update prototypes.
10812 (struct cpp_reader): Remove printer, token_buffer,
10813 token_buffer_size, and limit. Add struct cb, and pragmas.
10814 (struct cpp_printer): Remove last_id and written.
10815 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
10816 CPP_ADJUST_WRITTEN): Delete.
10817 * cpphash.h: Update prototypes.
10818 (ufputs): New wrapper.
10820 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
10821 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
10822 (main): Set up callbacks. Register #pragma implementation.
10823 Dump macros from here.
10825 2000-08-01 Geoff Keating <geoffk@cygnus.com>
10827 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
10828 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
10829 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
10830 insns if they have a REG_MAYBE_DEAD note attached.
10831 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
10832 (rs6000_emit_load_toc_table): TOC loads may go dead.
10834 2000-08-01 Jim Wilson <wilson@cygnus.com>
10836 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
10837 type exists before using it. Use number of words as alignment
10839 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
10840 ia64_va_arg): Propagate ia64_function_args changes here.
10842 2000-08-01 Richard Henderson <rth@cygnus.com>
10844 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
10845 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
10847 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
10849 From Joern Rennecke:
10850 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
10851 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
10852 unless TARGET_SH3E is set.
10853 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
10855 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
10856 (ashlsi3_std): New pattern.
10857 (ashlsi3 expander): Use it for TARGET_SH3.
10858 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
10860 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
10862 * loop.c (canonicalize_condition): Use destination, not source to
10863 determine SET's mode.
10865 2000-07-31 Mark Mitchell <mark@codesourcery.com>
10867 * flow.c (clear_log_links): Fix typo.
10869 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
10871 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
10872 on targets which need more than one insn for a compare/cbranch
10875 2000-07-31 Jim Wilson <wilson@cygnus.com>
10877 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
10878 when computing offset.
10880 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
10882 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
10884 2000-07-31 Geoff Keating <geoffk@cygnus.com>
10886 * flow.c (clear_log_links): Nuke global_live_at_start and
10887 global_live_at_end data, since if the log_links stuff is invalid
10888 so is global_live_at_*.
10890 2000-07-31 Richard Henderson <rth@cygnus.com>
10892 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
10894 2000-07-31 Jakub Jelinek <jakub@redhat.com>
10896 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
10897 (_cpp_get_token): Don't macro expand a just pasted token if it
10898 was pasted at no_expand_level.
10900 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
10902 * cppmacro.c (find_param, count_params, save_expansion):
10903 Permit 'defined' as a macro parameter name.
10905 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
10907 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
10908 xcpp to cpp throughout.
10909 (native): Remove unnecessary dependency on cpp.
10911 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
10912 tradcpp to tradcpp0.
10913 (.i spec): Add missing output-file spec to cc1 command line.
10914 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
10916 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
10918 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
10919 (implicit_decl_warning): New function.
10920 (implicitly_declare): Use it.
10921 * c-typeck.c (build_external_ref): Use implicit_decl_warning
10922 to complain about implicit decls of builtins.
10924 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
10925 based on pedantic && flag_isoc99, if not already set.
10926 * c-tree.h: Declare mesg_implicit_function_declaration.
10927 Prototype implicit_decl_warning.
10929 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
10931 * Makefile.in (ssa.o): Updated header files in dependences.
10932 * basic-block.h: Added compute_immediate_postdominators declaration.
10933 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
10935 * flow.c (compute_immediate_dominators): Updated comment.
10936 (compute_immediate_postdominators): Added definition.
10937 * rtl.h (HARD_REGISTER_P): Added definition.
10938 * ssa.c: Include additional header files.
10939 (assert): Added definition.
10940 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
10941 include select hard registers.
10942 (ssa_rename_to_insert): Likewise.
10943 (ssa_rename_from_initialize): Likewise.
10944 (ssa_rename_from_lookup): Likewise.
10945 (original_register): Likewise.
10946 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
10947 include select hard reigsters.
10948 (ssa_rename_from_traverse): Likewise.
10949 (ssa_rename_from_free): Likewise.
10950 (ssa_rename_from_print): Likewise.
10951 (ssa_rename_from_print_1): Likewise.
10952 (ssa_rename_from_hash_function): Likewise.
10953 (ssa_rename_from_equal): Likewise.
10954 (ssa_rename_from_delete): Likewise.
10955 (simplify_to_immediate_dominators): Removed in favor of
10956 flow.c:compute_immediate_dominators.
10957 (find_evaluations_1): Modified to work with hard registers.
10958 (insert_phi_node): Likewise.
10959 (insert_phi_nodes): Likewise.
10960 (struct rename_set_data): Updated prev_reg comment.
10961 (create_delayed_rename): Modified to work with hard registers.
10962 (RENAME_NO_RTX): Updated comment.
10963 (apply_delayed_renames): Modified to work with hard registers.
10964 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
10965 (rename_block): Updated to use revised ssa_rename_to interface.
10966 (rename_registers): Updated to use revised ssa_rename_to and
10967 ssa_rename_from interface.
10968 (convert_to_ssa): Revised to use compute_immediate_dominators and
10969 deal with hard registers.
10970 (make_regs_equivalent_over_bad_edges): Modified to work with hard
10971 registers. Added check for illegal unification of hard register.
10972 (make_equivalent_phi_alternatives_equivalent): Modified to work
10973 with hard registers.
10974 (compute_conservative_reg_partition): Likewise.
10975 (coalesce_if_unconflicting): Modified to work with hard registers
10976 and check for conflicting hard registers.
10977 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
10979 (rename_equivalent_regs_in_insn): Modified to work with hard
10981 (record_canonical_element_1): Added definition.
10982 (check_hard_regs_in_partition): Added definition.
10983 (convert_from_ssa): Added data structure deallocation and check
10984 for illegal hard register unification.
10985 (conflict_hard_regs_p): Added definition.
10986 * toplev.c (rest_of_compilation): Added comment.
10988 2000-07-31 Anthony Green <green@redhat.com>
10990 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
10992 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
10994 * builtins.c (expand_builtin_apply): Don't defer pop during
10997 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10999 * calls.c (combine_pending_stack_adjustment_and_call): Only use
11000 preferred_unit_stack_boundary when it is > 1.
11002 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
11004 * c-common.c (init_function_format_info): Add C99 format functions
11007 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
11008 void' or 'register void' as being the special case of 'void' alone
11009 in a parameter list.
11011 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
11012 discarding qualifiers into a plain warning.
11014 2000-07-31 Kazu Hirata <kazu@hxi.com>
11016 * combine.c: Fix formatting.
11018 * h8300.md: Fix formatting.
11020 * local-alloc.c: Fix formatting.
11022 * h8300.c (get_shift_alg): Remove the variable alg.
11023 (emit_a_shift): Rearrange code to improve readability.
11025 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
11027 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
11028 HImode on all architectures and a combination of HImode and SImode
11029 on H8/300H and H8/S.
11031 * h8300.c (split_adds_subs): Rearrange code for conciseness.
11033 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
11035 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
11036 in my last checkin.
11038 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
11040 * recog.c (extract_insn): Set operand_mode according to
11041 operand if match_operand is VOIDmode.
11043 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
11045 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
11047 2000-07-31 Geoff Keating <geoffk@cygnus.com>
11049 * c-parse.in (extdefs): Call ggc_collect between external
11052 2000-07-30 Michael Hayes <mhayes@cygnus.com>
11053 Richard Henderson <rth@cygnus.com>
11055 * Makefile.in (OBJS): Add doloop.o.
11056 * doloop.c: New file.
11058 * final.c (insn_current_reference_address): Return 0 before final.
11059 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
11060 * jump.c (any_uncondjump_p): Likewise.
11061 * loop.c (indirect_jump_in_function): Make static.
11062 (strength_reduce): Call doloop_optimize.
11063 (insert_bct, instrument_loop_bct): Remove.
11064 * loop.h (doloop_optimize): Prototype.
11065 * recog.c (split_all_insns): Split all INSN_P.
11066 * toplev.c (flag_branch_on_count_reg): Default on.
11068 * config/c4x/c4x.c (c4x_optimization_options): Don't set
11069 flag_branch_on_count_reg.
11070 * config/i386/i386.c (override_options): Likewise.
11071 * config/rs6000/rs6000.c (optimization_options): Likewise.
11073 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
11075 (dbra_ge): Remove, as well as all it's splitters.
11077 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
11080 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
11081 (ia64_register_move_cost): Declare.
11082 * config/ia64/ia64.c (ar_lc_reg_operand): New.
11083 (struct ia64_frame_info): Add ar_size.
11084 (ia64_compute_frame_size): Set it.
11085 (save_restore_insns): Save and restore ar.lc.
11086 (ia64_register_move_cost): New, moved from header file. Handle
11087 application registers.
11088 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
11089 (emit_insn_group_barriers): Special case doloop_end_internal.
11090 (ia64_epilogue_uses): Mark ar.lc live at end.
11091 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
11092 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
11093 (FIRST_PSEUDO_REGISTER): Make room.
11094 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
11095 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
11096 (REG_ALLOC_ORDER): Update.
11097 (HARD_REGNO_MODE_OK): Update.
11098 (REGISTER_NAMES): Update.
11099 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
11100 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
11101 (REGNO_REG_CLASS): Update.
11102 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
11103 (REGISTER_MOVE_COST): Move out of line.
11104 (PREDICATE_CODES): Update.
11105 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
11106 (addsi3_plus1_alt, adddi3_plus1_alt): New.
11107 (shladd_elim splitter): Allow constants in the predicate.
11108 (doloop_end, doloop_end_internal): New.
11110 2000-07-30 Richard Henderson <rth@cygnus.com>
11112 * genattrtab.c (struct insn_def): Add lineno member.
11113 (struct insn_ent): Likewise.
11114 (struct attr_desc): Likewise.
11115 (struct delay_desc): Likewise.
11116 (struct function_unit_op): Likewise.
11117 (struct function_unit): Likewise.
11118 (check_attr_value): Use message_with_line.
11119 (check_defs): Likewise.
11120 (expand_units): Likewise.
11121 (check_attr_test): Take a lineno argument.
11122 (gen_attr): Likewise.
11123 (gen_insn): Likewise.
11124 (gen_delay): Likewise.
11125 (gen_unit): Likewise.
11126 (main): Give it to them.
11127 (convert_set_attr_alternative): Take an insn_def argument
11128 instead of num_alt and insn_index.
11129 (convert_set_attr): Likewise.
11130 (write_test_expr): Protect INSN_ADDRESSES load
11131 with INSN_ADDRESSES_SET_P.
11133 2000-07-30 Richard Henderson <rth@cygnus.com>
11135 * flow.c (init_propagate_block_info): Use pc_set.
11137 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
11139 * i386.md (*lea_general_[123]) New insns and splits.
11140 (addsi3 to lea splitter): Handle other modes too.
11141 (shlsi3 to lea splitter): Likewise.
11142 (addhi_1_lea, shlhi_1_lea): New patterns.
11143 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
11145 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
11147 * recog.c (general_operand, nonimmediate_operand): Accept
11148 any mode for VOIDmode CONSTANT_P operands.
11150 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
11152 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
11153 instead of replace_rtx.
11154 * recog.c (validate_replace_rtx_subexp): New function.
11155 * recog.h (validate_replace_rtx_subexp): Declare.
11157 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
11159 * combine.c (simplify_set, make_extraction, make_compound_operation
11160 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
11161 as force_to_mode argument.
11163 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
11165 * combine.c (if_then_else_cond): Be sure that mode fits in
11168 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
11170 * combine.c (record_promoted_value): Allow bitsize of mode
11171 to be equivalent to HOST_BITS_PER_WISE_INT.
11173 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
11175 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
11176 Do not call gen_mode_alignment when mode is BLKmode.
11178 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
11180 * loop.c (express_from_1): Fix call of simplify_gen_binary.
11182 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
11184 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
11185 VOIDmode implies both operands to be VOIDmode.
11186 (simplify_ternary_operation): Compute properly the mode of comparison.
11187 * combine.c (combine_simplify_rtx): Likewise.
11189 2000-07-25 Michael Hayes <mph@paradise.net.nz>
11191 * basic-block.h (struct loops): New field rc_order.
11192 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
11193 (flow_loops_free): Free rc_order.
11194 (flow_depth_first_order_compute): New parameter rc_order.
11195 (flow_loops_find): Allocate rc_order and swap usage with
11198 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11199 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11201 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
11202 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
11203 (nodb_call, return_from_epilogue): Likewise.
11204 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
11205 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
11206 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
11207 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
11208 (c4x_valid_type_attribute_p): Likewise.
11209 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
11210 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
11212 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11214 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
11215 and loadhi_big_constant if applicable.
11216 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
11217 and add new splitter.s
11219 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11221 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
11223 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11225 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
11227 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11229 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
11231 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11233 * config/c4x/libgcc.S (divqf3): Improve accuracy.
11235 2000-07-27 Mark Mitchell <mark@codesourcery.com>
11237 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
11238 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
11239 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
11240 (get_prev_bb_note): Likewise.
11241 (remove_scope_notes): Likewise.
11242 * flow.c (commit_one_edge_insertion): Likewise.
11243 (merge_blocks_nomove): Likewise.
11244 (verify_flow_info): Likewise.
11245 * gcse.c (insert_insn_end_bb): Likewise.
11246 * reg-stack.c (emit_swap_insn): Likewise.
11247 * ssa.c (first_insn_after_basic_block_note): New function.
11248 (insert_phi_node): Use it.
11249 (rename_block): Likewise.
11250 (eliminate_phi): Likewise.
11251 (make_regs_equivalent_over_bad_edges): Likewise.
11252 (make_equivalent_phi_alternatives_equivalent): Likewise.
11253 (for_each_successor_phi): Likewise.
11254 (convert_from_ssa): Modify phi-node deletion algorithm.
11256 2000-07-29 Andreas Jaeger <aj@suse.de>
11258 * configure.in (mips*-*-linux*): Use mips*el to check for little
11259 endian MIPS, add tmake_file.
11261 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
11262 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
11263 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
11265 2000-07-28 Richard Henderson <rth@cygnus.com>
11267 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
11268 Sign extend mode size before negating.
11270 2000-07-28 Richard Henderson <rth@cygnus.com>
11272 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
11274 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
11276 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
11277 (cse_insn): Likewise.
11278 (addr_affects_sp_p): Likewise.
11279 * expr.c (move_by_pieces): Likewise.
11280 (clear_by_pieces): Likewise.
11281 * gcse.c (oprs_unchanged_p): Likewise.
11282 * haifa-sched.c (sched_analyze_2): Likewise.
11283 * recog.c (offsettable_address_p): Likewise.
11284 * regclass.c (record_address_regs): Likewise.
11285 * reload.c (find_reusable_reload): Likewise.
11286 (push_reload): Likewise.
11287 (operands_match_p): Likewise.
11288 (decompose): Likewise.
11289 (find_reloads_address_1): Likewise.
11290 (find_inc_amount): Likewise.
11291 * reload1.c (elimination_effects): Likewise.
11292 * resource.c (mark_set_resources): Likewise.
11293 * flow.c (attempt_auto_inc): New function; mostly broken out
11295 (find_auto_inc): Split into two functions and enhanced to
11296 generate POST_MODIFY.
11297 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
11298 * rtl.h (count_all_occurrences): Declare.
11299 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
11301 * rtlanal.c (count_all_occurrences): New function.
11302 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
11303 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
11305 * config/ia64/ia64-protos.h (destination_operand): Declare.
11306 * config/ia64/ia64.c (destination_operand): New function.
11307 (ia64_print_operand): Handle POST_MODIFY.
11308 (rtx_needs_barrier): Likewise.
11309 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
11310 (HAVE_POST_MODIFY_REG): Define to 1.
11311 (MAX_REGS_PER_ADDRESS): Change to 2.
11312 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
11313 (LEGITIMATE_ADDRESS_REG): New helper macro.
11314 (LEGITIMATE_ADDRESS_DISP): Likewise.
11315 (PREDICATE_CODES): Add entry for destination_operand.
11316 * config/ia64/ia64.md (all mov patterns): Use destination_operand
11317 predicate for operand 0.
11319 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11321 * dwarf2out.c: Indent #error directive.
11323 * gbl-ctors.h: Fix typo in comment.
11324 (__do_global_ctors): Prototype.
11326 * gcse.c (record_one_set, pre_delete): Remove unused variables.
11328 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
11329 (print_operand): Initialize variable `t'.
11331 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
11333 * config/arm/arm.md ("call_value"): removed constraints.
11334 Constraints are ignored in expanders.
11335 (*call_value_reg): split =rf into various constraints.
11336 (*call_value_mem): same
11337 (*call_value_symbol): same
11338 (*sibcall_value_insn): same
11340 2000-07-28 Philipp Thomas <pthomas@suse.de>
11342 * install.texi (--enable-nls): Change the description of the NLS
11343 related configure options to match the current state.
11344 (--with-included-gettext): Likewise.
11345 (--enable-maintainer-mode): New description added.
11346 * extend.texi (-fstrict-prototype): Add missing '.'.
11348 2000-07-27 Jim Wilson <wilson@cygnus.com>
11350 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
11351 DECL_INITIAL (decl) == NULL_TREE.
11353 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
11355 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
11356 on insn-attr.h with it.
11357 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
11358 * insn-addr.h: New header.
11359 (insn_addresses_): Renamed from insn_addresses.
11360 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
11361 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
11362 INSN_ADDRESSES_NEW): New macros.
11363 * genattrtab.c (write_test_expr): Use new macros.
11364 * final.c (insn_addresses, init_insn_lengths): Likewise.
11365 (align_fuzz, shorten_branches): Likewise.
11366 (final): Likewise. Do not reject new insns if their addresses
11367 have been added to INSN_ADDRESSES.
11368 * config/arm/arm.c, config/avr/avr.c: Use new macros.
11369 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
11370 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
11371 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
11372 * config/sh/sh.c: Likewise.
11373 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
11375 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
11377 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
11379 * gcc.c (struct prefix_list): Add member priority.
11380 (enum path_prefix_priority): Declare.
11381 (add_prefix): Replace ``first'' with ``priority''. Append new
11382 entry but keep list in priority order.
11383 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
11384 PREFIX_PRIORITY_LAST to add_prefix.
11385 (process_command): Move include kludge - foo/stageN - to before
11388 2000-07-27 Jason Merrill <jason@redhat.com>
11390 * dwarf2out.c (gen_typedef_die): Abort if we get identical
11391 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
11393 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
11395 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
11396 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
11398 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
11400 * c-decl.c (finish_function): Don't treat 'main' specially unless
11401 flag_hosted. In C99 mode, return 0 from 'main' unless
11402 DEFAULT_MAIN_RETURN is otherwise defined.
11404 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
11405 parameters defaulting to int in an old-style function definition.
11407 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11409 * c-parse.in (string): For -Wtraditional, warn about string
11410 concatenation only once per line.
11412 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
11414 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
11415 for HI-UX/WE2 systems.
11417 2000-07-24 Bruce Korb <bkorb@gnu.org>
11419 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
11420 defining the __xxx_TYPE__ macros.
11421 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
11422 * fixincl/fixlib.h: don't need to include "tm.h" anymore
11423 * fixincl/inclhack.def(type_map): now obsolete
11425 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
11427 * cpp.texi: Append a trailing full-stop to xrefs where needed.
11429 2000-07-26 Dave Pitts <dpitts@cozx.com>
11431 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
11433 (mvs_hash_alias): New function.
11434 (mvs_add_alias): Change argument spacing.
11435 (mvs_need_alias): Change aliasing criteria. Added documentation.
11436 (mvs_get_alias): Change to use hashed name. The hashed name prevents
11437 CSECT name collisions.
11438 (mvs_check_alias): Likewise.
11439 (handle_pragma): Change documentation.
11440 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
11441 mode from SImode to DImode.
11442 (iorhi3): Changed LTORG size for insn.
11444 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
11446 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
11447 mem if the address is a mode_dependent_address_p.
11449 2000-07-26 Kazu Hirata <kazu@hxi.com>
11451 * h8300.c (print_operand): Print ":8" when the 'R' operand is
11452 suitable for 8-bit absolute.
11453 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
11454 (OK_FOR_U): Add a case for the 8-bit constant address on the
11457 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
11459 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
11460 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
11461 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
11462 lack of implemented alignment.
11464 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
11466 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
11467 cross-compiling between 64-bit and 32-bit machines.
11469 2000-07-27 Richard Henderson <rth@cygnus.com>
11471 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
11472 (movhicc_astep, movhi_internal_astep): New.
11473 (movsicc_astep, movsi_internal_astep): New.
11474 (movdicc_astep, movdi_internal_astep): New.
11475 (movsfcc_astep, movsf_internal_astep): New.
11476 (movdfcc_astep, movdf_internal_astep): New.
11477 (movxfcc_astep, movxf_internal_astep): New.
11478 (cmovdi_internal_astep, cmovsi_internal_astep): New.
11479 Unify the cmov[ds]i splitters.
11481 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
11483 * real.c (asctoeg): Rename `error' label to unexpected_char_error
11485 2000-07-26 Nick Clifton <nickc@cygnus.com>
11487 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
11488 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
11490 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
11491 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
11493 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
11495 * c-decl.c (finish_enum): Convert enumerations that fit in an
11497 (build_enumerator): In pedantic mode, cast to `int' those that
11500 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
11502 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
11504 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11506 * sh.md (cmpgtdi_t): Must be split.
11507 (cmpgtdi_t+1): New splitter.
11509 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
11511 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
11512 warnings for indented directives even if we are skipping.
11514 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
11516 * invoke.texi (strict-prototypes): Remove.
11517 * extend.texi (Deprecated Features): Add strict-prototypes.
11518 (Backwards Compatibility): New node.
11520 2000-07-25 Jakub Jelinek <jakub@redhat.com>
11522 * config/i386/i386.md (andsi_1+1): Allow HImode.
11523 (andsi_1+2): Require q_regs_operand.
11525 2000-07-25 Jakub Jelinek <jakub@redhat.com>
11527 * config/i386/i386.md (call_pop): Check operands[0],
11528 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
11530 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
11531 (call_value): Likewise.
11533 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
11535 * toplev.c (pipe_closed): Delete.
11536 (crash_signal): New. Generate ICE for a fatal signal.
11537 (float_signal): Call crash_signal outside a float-handler
11539 (main): Install crash_signal as handler for core-dumping signals.
11541 2000-07-25 David Edelsohn <edelsohn@gnu.org>
11543 * rs6000.c (print_operand, case 'T'): New case.
11545 * rs6000.md (call_indirect_aix32): Convert to expander of
11546 scheduled instructions.
11547 (call_indirect_aix64): Likewise.
11548 (call_value_indirect_aix{32,64}): Likewise.
11549 (call, call_value): Invoke expanders for AIX. Fall through to
11551 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
11552 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
11553 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
11554 only "g" constraint.
11555 (call_nonlocal_aix64): Likewise.
11556 (call_value_nonlocal_aix{32,64}): Likewise.
11557 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
11559 (call_value_nonlocal_sysv): New pattern.
11560 (indirect_jump{si,di}): Use new 'T' modifier.
11561 (tablejump{si,di} matchers): Likewise.
11562 (return_internal_{si,di}): Likewise.
11563 (return_eh_{si,di}): Likewise.
11565 2000-07-24 Richard Henderson <rth@cygnus.com>
11567 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
11568 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
11569 * config/ia64/ia64.md (movdi_internal): Use it.
11571 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
11573 * cppexp.c: Warn about unary + if -Wtraditional.
11574 * cpplex.c (lex_line): Always set BOL on the first token of a line.
11576 2000-07-24 Michael Meissner <meissner@redhat.com>
11578 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
11581 2000-07-24 Nick Clifton <nickc@cygnus.com>
11583 * config/arm/arm.c (emit_multi_reg_push): Generate a
11584 REG_FRAME_RELEATED_NOTE that is compatable with the code in
11585 dwarf2out_debug_frame_expr.
11587 2000-07-24 Jason Merrill <jason@redhat.com>
11589 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
11590 UNALIGNED_INT_ASM_OP.
11591 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
11592 a location expression.
11593 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
11594 assume indirect access if we're saving the CFA address exactly.
11596 * Makefile.in (bootstrap): Move -BstageN/ to the end.
11598 2000-07-24 Jakub Jelinek <jakub@redhat.com>
11600 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
11603 2000-07-24 Michael Meissner <meissner@redhat.com>
11605 * invoke.texi (D30V Options): Add d30v options.
11607 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
11609 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
11610 needed by our gcse pass anymore.
11611 (free_pre_mem): Corresponding changes.
11612 (compute_pre_data): Do not call compute_transpout anymore.
11614 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
11615 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
11618 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
11619 (compute_pre_data): Do it here instead.
11621 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
11623 (pre_delete): Corresponding changes.
11625 2000-07-23 Mark Mitchell <mark@codesourcery.com>
11627 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
11628 to figure out whether or not a variable has already been emitted.
11630 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
11632 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
11633 instead of gen_call.
11635 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
11637 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
11639 2000-07-23 Kazu Hirata <kazu@hxi.com>
11641 * h8300.c: Fix formatting.
11643 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
11645 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
11646 for `long' switch expression into a plain warning.
11648 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
11649 (yylex): Don't pedwarn for "inline" in C99 mode.
11651 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
11653 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
11654 ggc_alloc): Likewise.
11655 * bb-reorder.c (dump_scope_forest_1): Likewise.
11657 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
11659 * reload.c (find_reloads_toplev): Add new parameter
11660 "address_reloaded".
11661 (find_reloads): Add new parameter to find_reloads_toplev calls.
11663 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
11665 * collect2.c (main): Typo fixed.
11666 * diagnostic.c: Typo fixed.
11667 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
11668 * eh-common.h: Typo fixed.
11669 * emit-rtl.c (start_sequence): Typo fixed.
11670 * flow.c (find_label_refs): Typo fixed.
11671 (calculate_global_regs_live): Typo fixed.
11672 (mark_regno_cond_dead): Typo fixed.
11673 (create_edge_list): Typos fixed.
11674 (verify_edge_list): Typo fixed.
11675 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
11676 * loop.c (strength_reduce): Typo in function name fixed.
11677 * rtl.h: Added comments. Typo in function name fixed.
11678 * rtlanal.c: Typo in function name fixed.
11679 (insn_dependant_p): Rename to ...
11680 (insn_dependent_p): ... this.
11681 (computed_jumo_p): Typo fixed.
11683 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11685 * system.h (__FUNCTION__): Wrap definition in #ifndef.
11687 2000-07-21 David Edelsohn <edelsohn@gnu.org>
11689 * rs6000.h (SIZE_TYPE): Define.
11691 2000-07-21 Mark Mitchell <mark@codesourcery.com>
11693 * ssa.c (rename_insn_1): Don't rename registers that are
11696 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
11698 * diagnostic.c (trim_filename, fancy_abort): Moved here from
11700 (fatal_function, set_fatal_function): Removed.
11701 (fatal): Don't prepare for or call the fatal_function.
11702 (diagnostic_lock, error_recursion): New.
11703 (diagnostic_for_decl, report_diagnostic): Guard against
11704 re-entering the error reporting routines.
11705 (fancy_abort): Assume function is not NULL.
11707 * errors.c (fancy_abort): New. Assume function is not NULL.
11708 * tradcpp.c (fancy_abort): Assume function is not NULL.
11710 * system.h: Provide default definition of __FUNCTION__.
11711 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
11712 Always use __FUNCTION__ in definition of abort.
11713 * tree.h: Likewise.
11714 * varray.h: Likewise.
11715 * toplev.h: Likewise. Don't prototype set_fatal_function.
11717 2000-07-20 Geoff Keating <geoffk@cygnus.com>
11719 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
11721 * glimits.h: Don't do #if defined for ARCH_PPC.
11723 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
11724 constants of size no larger than a pointer should go in the TOC.
11725 Add 'MODE' parameter.
11726 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
11727 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
11728 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
11729 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
11730 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
11731 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
11732 (rs6000_legitimize_address): Likewise.
11733 (rs6000_emit_move): Likewise.
11734 (rs6000_select_rtx_section): Likewise.
11735 (output_toc): Deal properly with outputting small constants like
11736 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
11737 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
11738 MODE parameter. Put small constants in the TOC.
11740 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
11742 (rs6000_emit_move): When reload calls us with an illegitimate
11743 address, exit early. Move the change_address calls to one place
11744 at the end of the routine. Merge the SImode and DImode expanders.
11745 When called by reload to put an integer into a FP register, force
11748 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
11750 (rs6000_hash_constant): Hash mode too.
11751 (toc_hash_function): Allow for key_mode.
11752 (toc_hash_eq): Structures are different if key_mode differs.
11753 (output_toc): Add 'mode' parameter. Save key_mode.
11754 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
11755 Pass 'mode' parameter.
11756 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
11758 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
11759 for vtable references.
11761 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
11762 choice, don't put integer values in FP regs.
11764 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
11766 * flow.c (verify_flow_info): Revamp code to verify that the
11767 head and end of each basic block are in the insn chain.
11769 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
11771 * gcse.c (record_one_set): Prepend instead of append onto
11772 reg_set_table, making it O(n) instead O(n^2).
11773 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
11774 Use a queue instead of a stack as worklist.
11776 2000-07-20 Kazu Hirata <kazu@hxi.com>
11778 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
11779 * h8300.h (OK_FOR_T): New.
11780 (EXTRA_CONSTRAINT): Support OK_FOR_T.
11781 * h8300.md: Use inc/dec.[wl] for increment/decrement
11782 by 1 and 2 in HI and SI modes.
11784 2000-07-20 Jim Wilson <wilson@cygnus.com>
11786 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
11787 larger than 14 bits.
11789 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
11791 * cppmacro.c (CAN_PASTE_AFTER): New macro.
11792 (count_params): Don't set GNU_REST_ARGS on anything.
11793 (save_expansion): Set PASTE_LEFT only on tokens for which
11794 CAN_PASTE_AFTER is true, or which are named operators.
11796 * cpplex.c (parse_args): Distinguish between a rest argument
11797 given one empty argument, and a rest argument given zero arguments.
11798 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
11799 deletion of previous token based on that.
11800 (get_raw_token): Flatten some control structure.
11802 * cpplib.h (CPP_LAST_EQ): Correct.
11803 (VOID_REST): New token flag.
11804 (GNU_REST_ARGS): Delete.
11806 * tradcpp.c (main): Don't munge -D options.
11807 (make_definition): Bring -D handling in line with cpplib.
11808 (do_define): Strip all leading whitespace from macro definitions.
11810 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
11812 * Makefile.in (tradcpp): Depend on intl.o and version.o.
11814 2000-07-20 Bruce Korb <bkorb@gnu.org>
11816 * fixincl/check.tpl: strip the platform specific types before testing
11817 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
11818 * fixincl/fixincl.tpl: use platform specific types
11819 * fixincl/fixlib.h: include the platform specific types
11820 * fixincl/inclhack.def(gnu_types): don't supply the types
11821 * fixincl/fixincl.x: regen
11823 2000-07-19 Jim Wilson <wilson@cygnus.com>
11825 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
11828 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
11830 * tradcpp.c (rescan): Do not recognize directives when the #
11833 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
11835 Implement C++ named operators.
11837 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
11838 of operators allowed in #if and having an _EQ variant. Add
11839 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
11840 (cpp_token flags): Add NAMED_OP.
11841 (enum node_type): Add T_OPERATOR.
11842 (struct cpp_hashnode): Add code slot to value union.
11843 * cpphash.h (spec_nodes): Remove n_defined.
11845 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
11846 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
11847 (is_macro_disabled): Tweak error messages.
11849 * cpplib.c (get_define_node): Disallow all named operators as
11850 macro names. Tweak error messages.
11851 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
11853 * cppinit.c (builtin_array): Add entries for the named operators.
11854 * cppexp.c (lex): Check for CPP_DEFINED token.
11855 (priority table): Add entries for CPP_MIN and CPP_MAX.
11856 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
11858 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
11860 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
11861 larger than the array of cuids.
11862 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
11865 2000-07-19 Bruce Korb <bkorb@gnu.org>
11867 * fixinc/fixincl.c: Convert to using a table of environment variables
11868 and activate the auto-edit marker on the fixed output files.
11869 * fixinc/fixlib.h: Define the environment table
11870 * fixinc/fixincl.sh: export the ${INPUT} dir
11871 * fixinc/check.tpl: likewise
11873 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
11875 * gcc.c (.h spec): Fix typo.
11877 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
11879 * Makefile.in: Fix tradcif.c path.
11881 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
11883 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
11886 * cpphash.h (TOKEN_NAME): New macro.
11887 (_cpp_spell_operator): Deleted.
11888 (token_spellings): Now _cpp_token_spellings.
11890 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
11891 * cpplex.c: Use OP and TK macros when expanding the
11892 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
11893 store the stringification of the enumeration name (CPP_CHAR,
11894 etc.) in the name slot of token_spellings.
11895 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
11896 token_spellings directly.
11897 * cpplib.c: Use TOKEN_SPELL.
11899 * cpplex.c (_cpp_push_token): If the token being pushed back
11900 is the previous token in this context, just subtract one from
11902 * cppmacro.c (save_expansion): Clear aux field when storing a
11905 2000-07-18 Jakub Jelinek <jakub@redhat.com>
11907 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
11908 buffer, provided it is not NULL.
11910 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
11912 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
11913 case of invalid volatile re-declaration.
11915 2000-07-18 Jakub Jelinek <jakub@redhat.com>
11917 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
11918 (expand_call): Adjust caller.
11920 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
11922 * diagnostic.h (report_diagnostic): Change prototype.
11924 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
11925 diagnostic_for_decl): Change prototype.
11926 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
11927 error, warning, error_with_file_and_line,
11928 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
11929 Adjust call to report_diagnostic, diagnostic_for_decl.
11930 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
11931 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
11933 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
11934 varaible argument list.
11936 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
11938 * cpphash.c: Don't include hashtab.h. Most macro-handling code
11939 moved to cppmacro.c.
11940 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
11941 dump_hash_helper): Delete.
11942 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
11943 cpp_forall_identifiers): New. Implement specialized version of
11944 Vlad's expandable hash table.
11945 (cpp_lookup): Use new functions.
11946 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
11948 * cppmacro.c: New file.
11949 * cppinit.c (dump_macros_helper): New.
11950 (cpp_finish): Iterate over the identifier table directly.
11951 * cpplex.c (parse_name): Calculate the hash of the identifier
11952 while we scan it. Use _cpp_lookup_with_hash when we can.
11954 * cpphash.h: Update prototypes.
11955 (xcnewvec, HASHSTEP): New helper macros.
11956 * cpplib.h: Update prototypes.
11957 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
11958 (cppmacro.o): New rule.
11959 (cpphash.o): Update deps.
11961 * cppmain.c: Do not set pfile->printer if no_output is on.
11963 2000-07-15 Neil Booth <neilb@earthling.net>
11965 * cpplib.c: Change all directive-handler functions to return
11967 * cpphash.h: Update typedefs.
11969 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
11971 * configure: Regenerate.
11973 * extend.texi (Extended Asm): Mention that a memory clobber
11974 does not count as a side-effect.
11976 * unroll.c (copy_loop_body): Fix one instance of using host
11977 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
11980 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
11982 2000-07-17 Richard Henderson <rth@cygnus.com>
11984 * config/ia64/ia64.md (movdi): Split out load address code.
11985 New post-reload splitter for symbolic operands.
11986 (movdi_internal): Abort if we didn't split symbolic operands
11987 when we should have.
11988 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
11989 (ia64_reorg): Split insns when not optimizing.
11990 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
11992 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
11994 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
11995 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
11997 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
11999 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
12001 2000-07-17 Jason Merrill <jason@redhat.com>
12003 * Makefile.in (clean): Remove libgcc directory.
12005 * configure.in (-Wno-long-long check): Use higher-level macros.
12007 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
12009 * simplify-rtx.c (simplify_binary_operation): Recognize
12010 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
12011 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
12012 a CONST_INT, it will always be zero.
12014 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
12016 * loop.c (check_dbra_loop) : Return if more than one condition is
12017 present to control the loop.
12019 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
12021 * mips.c (mips_expand_prologue): Don't calculate the last argument
12022 register unless we need it. When we are calculating this, make
12023 sure FUNCTION_ARG is giving us a REG.
12025 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
12027 * flow.c (libcall_dead_p): Use single_set to verify the insn
12028 has only one set and get for analysis.
12029 (propagate_one_insn): Don't pass the PATTERN of the insn.
12031 2000-07-17 Mark Klein <mklein@dis.com>
12033 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
12035 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
12037 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
12038 * configure.in (TARGET_GETGROUPS_T): Evaluate.
12039 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
12040 of second argument of getgroups.
12041 * configure, config.in: Rebuilt.
12043 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
12045 * simplify-rtx.c (simplify_relational_operation): Two signed
12046 values with equal high words are less/greater than each other if
12047 their low words are less/greater when considered as unsigned.
12049 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
12051 * configure.in (vax-*-openbsd): Change to new style configuration,
12052 add collect2/float_format information.
12053 * configure: Rebuilt.
12054 * config/vax/openbsd1.h: New.
12055 * config/vax/openbsd.h: New.
12056 * config/vax/t-openbsd: New.
12058 2000-07-17 Chip Salzenberg <chip@valinux.com>
12060 * c-common.c (shorten_compare): Quiet warnings about unsigned
12061 comparisons with zero when they occur in a system header.
12063 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
12065 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
12066 update to describe current practice.
12068 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
12070 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
12071 references to C9X. Change references to -fstd and -flang-isoc9x
12074 * c-common.c (scan_char_table): Allow "z" length modifiers on
12076 (check_format_info): Use TYPE_DOMAIN on the type matched against
12077 for "z" formats, to retrieve the language size_t rather than the
12080 * c-common.c (check_format_info): Do not make a pedantic objection
12081 to the 'L' length modifier if used with a floating point type
12084 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
12085 constants in C99 mode.
12087 2000-07-17 Kazu Hirata <kazu@hxi.com>
12089 * h8300.md: Fix the format of mac.
12090 (movsi_h8300hs): Output a tab after stmac instead of a space.
12092 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
12093 profitable adds/subs sequences.
12095 * fold-const.c: Fix comment typos.
12097 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
12099 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
12101 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12103 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
12105 2000-07-16 Neil Booth <NeilB@earthling.net>
12107 * cpplex.c: Update comments.
12108 * README.Portability: Small update.
12110 2000-07-16 Neil Booth <NeilB@earthling.net>
12112 * README.Portability: Small update.
12114 2000-07-15 Richard Henderson <rth@cygnus.com>
12116 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
12117 * config/ia64/ia64.c (ia64_move_ok): New function.
12118 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
12119 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
12121 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
12123 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
12124 immediately following a paste operator.
12125 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
12126 (cpp_reader_init): Call it, if HOST_EBCDIC.
12127 (cpp_handle_options): Do not sort option list here.
12128 (handle_option): Rename to cpp_handle_option and export.
12129 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
12130 _cpp_get_token directly.
12131 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
12132 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
12133 * cpplib.h: Prototype cpp_handle_option. Update prototype of
12136 2000-07-15 Richard Henderson <rth@cygnus.com>
12138 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
12139 cast around an expression. Tidy other unsigned tests.
12141 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
12143 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
12144 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
12145 (v_message_with_decl): Rename to ...
12146 (format_with_decl): ... this. Tweak
12147 (diagnostic_for_decl): New function.
12148 (fatal_io_error): Use verbatim in lieu of notice.
12149 (announce_function): Use verbatim.
12150 (default_print_error_function): Likewise.
12151 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
12154 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12156 * mips.c (function_arg_pass_by_reference): Don't do automatic
12157 aggregate initialization.
12158 (machine_dependent_reorg): Initialize variable `mode'.
12160 * mips.md (absdi2): Change variable `regno1' to unsigned int.
12161 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
12162 conflicts with sys/param.h macro of the same name.
12163 (reload_outdi): Likewise.
12165 2000-07-15 Michael Meissner <meissner@redhat.com>
12167 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
12168 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
12169 create a new node instead.
12171 2000-07-15 Neil Booth <NeilB@earthling.net>
12173 * README.Portability: Correct example about calling a function
12174 through a pointer to function. Format wide paragraphs.
12176 2000-07-15 Michael Meissner <meissner@redhat.com>
12178 * README.Portability: Update integer suffixes and function
12179 prototype sections.
12181 2000-07-15 Neil Booth <NeilB@earthling.net>
12183 * README.Portability: Small update.
12185 2000-07-15 Neil Booth <NeilB@earthling.net>
12187 * README.Portability: New file.
12189 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
12191 * INSTALL: Give special instructions for building GCC on Irix 6.
12192 * config/mips/x-iris6 (CC): Don't set it.
12195 2000-07-14 Jason Merrill <jason@redhat.com>
12197 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
12198 register in the stack and later in another register, use the new
12201 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
12203 * config/mips/mips.md: (absdi2): Handle sign_extend for
12206 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
12208 * cpplib.c (do_pragma_dependency): Tidy warning messages.
12210 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
12212 * .cvsignore: Correct typo.
12214 2000-07-13 Mark Mitchell <mark@codesourcery.com>
12216 * .cvsignore: Add generated YACC files.
12217 * objc/.cvsignore: New file.
12219 2000-07-14 Neil Booth <NeilB@earthling.net>
12221 * cpplex.c (adjust_column): New funcion.
12222 (skip_whitespace): Use it.
12223 (skip_block_comment): Use it, and warn about /*/* with
12226 2000-07-14 Neil Booth <NeilB@earthling.net>
12228 * cpphash.c (struct macro_info): Add new members.
12229 (_cpp_free_definition): Delete the macro directly.
12230 (count_params): Return void, with first token of
12231 expansion in struct macro_info on success.
12232 (parse_define): Return int. Hoist syntax checking from
12233 save_macro_expansion. Leave call to save_expansion to
12234 _cpp_create_definition.
12235 (alloc_macro): Needs just 2 arguments.
12236 (free_macro): Delete.
12237 (save_expansion): Don't perform syntax check.
12238 (_cpp_create_definition): Call save_expansion.
12240 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12242 * genrecog.c (write_header): Split long string.
12244 * cpphash.c (macro_info): Don't use the `signed' keyword.
12246 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
12248 2000-07-13 Jakub Jelinek <jakub@redhat.com>
12250 * calls.c (stored_args_map): New variable.
12251 (check_sibcall_argument_overlap_1): New.
12252 (check_sibcall_argument_overlap): New.
12253 (expand_call): Initialize stored_args_map.
12254 Call check_sibcall_argument_overlap.
12256 2000-07-13 Bruce Korb <bkorb@gnu.org>
12258 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
12259 (emit_gnu_type): utility procedure for gnu_type_fix
12260 (gnu_type_fix): implement various pre-processor guards around
12261 standard types so these types can be defined over and over
12262 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
12263 types alluded to above will have GNU-compliant base types
12264 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
12265 * fixinc/inclhack.def: add test_text entries and utilize the new
12266 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
12267 * fixinc/fixincl.x: regenerate
12269 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
12271 * diagnostic.c (vline_wrapper_message_with_location,
12272 v_message_with_file_and_line, v_error_with_file_and_file,
12273 v_error_for_asm, v_warning_for_asm, vfatal,
12274 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
12275 vsorry, verror, vwarning, vpedwarn): Remove.
12276 (diagnostic_for_asm): New function.
12277 (pedwarn, error, warning, pedwarn_with_file_and_line,
12278 error_with_file_and_line, warning_with_file_and_line, sorry,
12279 error_for_asm, warning_for_asm, fatal): Reimplement.
12280 (finish_diagnostic): Clear diagnostic info as well.
12282 2000-07-13 Neil Booth <NeilB@earthling.net>
12284 * c-common.h (flag_digraphs): New.
12285 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
12286 * c-lex.c (yylex): Use flag_digraphs to decide whether to
12289 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
12291 * gcc.c (do_spec_1): Add new %B operator.
12292 (set_input): Prepare for %B.
12294 (link_command_spec): Move up with the other tm.h-
12295 overrideable specs. Factor out the portion conditional on
12296 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
12297 (struct compiler): Just have a single spec string. All users
12299 (default_compilers): Remove unnecessary braces.
12300 (static_specs): Update.
12302 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
12304 (C and assembly specs): Use the new named specs, as appropriate.
12306 * objc/lang-specs.h: Use the new named specs.
12307 Remove unnecessary braces.
12309 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
12311 * gcc.c (execute): If a subprocess gets a fatal signal, report
12312 strsignal() of the signal number, and ask for a bug report.
12313 Do not do this for SIGPIPE if there's already been an error.
12315 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
12316 Delete pipe_closed.
12318 * tradcif.c: Remove.
12320 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
12322 * final.c (profile_function): Do not emit profile counters in
12323 the data section, if NO_PROFILE_COUNTERS is defined.
12324 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
12327 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
12328 (FUNCTION_PROFILER): Just emit a call to mcount.
12330 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
12332 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
12334 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
12335 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
12336 traditional, lang_chill, or lang_fortran.
12338 * cppfiles.c: #undef strcmp to suppress warning about macros
12339 used without arguments.
12340 (_cpp_execute_include): Use f, not fname, in "No include path"
12342 (_cpp_pop_file_buffer): New function.
12343 * cpplib.c: Don't include <sys/mman.h>.
12344 (cpp_push_buffer): Set line_base and lineno in new buffer.
12345 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
12347 * cpplex.c: Move all prototypes and structure declarations to the
12348 top of the file. Properly parenthesise some macro arguments.
12349 (cpp_scan_line): New function.
12350 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
12351 don't need to walk up the stack counting.
12353 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12355 * c-common.c (combine_strings): Emit a pedantic warning when a
12356 string length is greater than the minimum ANSI C is required
12359 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
12361 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
12362 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
12364 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12366 * c-decl.c (define_label): Warn about identifier conflicts with
12367 labels in traditional C.
12369 * c-parse.in (unop +): Warn about the unary plus operator for
12372 * c-typeck.c (store_init_value): Warn about automatic aggregate
12373 initialization for traditional C.
12375 * invoke.texi (-Wtraditional): Document new warnings.
12377 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
12379 * Makefile.in (c-errors.o): Fix thinko in dependency.
12381 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
12383 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
12384 -traditional, -ftraditional, or -traditional-cpp was given.
12385 Do not pass -traditional to the preprocessor.
12386 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
12387 preprocessor does it automatically.
12388 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
12390 * ch/lang-specs.h: Always use tradcpp. Do not pass
12391 -traditional, -trigraphs, or -pedantic to the preprocessor.
12392 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
12395 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
12397 * cppexp.c (LOGICAL): Delete macro.
12398 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
12401 * cpphash.c (HASHSIZE): Increase to 4096.
12402 (struct hashdummy): Add hash field.
12403 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
12404 the string values using memcmp.
12405 (cpp_lookup): Set dummy.hash.
12407 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
12409 * configure.in (m88k-openbsd): Express configuration using new fragment
12411 * configure: Rebuilt.
12412 * m88k/aout-dbx.h: New.
12413 * m88k/openbsd.h: New.
12414 * m88k/xm-openbsd.h: New.
12416 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12418 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
12420 2000-07-12 Richard Henderson <rth@cygnus.com>
12422 * reload.c (push_secondary_reload): Make sure to add the new
12423 reload at the end, after acquiring secondary memory.
12425 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12427 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
12429 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
12430 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
12432 * c-parse.in (stmt): Delete unused variables.
12434 * convert.c (convert_to_vector): Likewise.
12436 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
12438 * tree.c (finish_vector_type): Prototype.
12440 2000-07-12 Bruce Korb <bkorb@gnu.org>
12442 * fixinc/fixfixes.c: use xmalloc
12443 * fixinc/fixincl.c(initialize): set program name for xmalloc
12444 * fixinc/fixlib.c(must_malloc): obsolete
12445 (is_cxx_header): no longer used - disabled
12446 (skip_quote): inserted and disabled for future use
12447 * fixinc/fixlib.h: reflects above
12448 * fixinc/fixtests.c: removed dinkleberries
12450 2000-07-12 Neil Booth <NeilB@earthling.net>
12452 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
12453 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
12455 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
12456 struct toklist_dummy): New.
12457 (cpp_free_definition): Free macros with free_macro.
12458 (count_params): Don't save paramter spellings. Save macro
12459 information in a struct macro_info.
12460 (parse_define): Don't allocate a token list.
12461 (save_expansion): Allocate the macro's token list, and
12462 save parameter spellings if necessary. Use TOKEN_SPELL.
12463 (cpp_create_definition): Make list const.
12465 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
12467 * c-typeck.c (pedwarn_c99): Move to
12468 * c-errors.c: ... Here.
12469 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
12470 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
12471 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
12472 (c-errors.o): List dependency.
12474 2000-07-12 Mark Mitchell <mark@codesourcery.com>
12476 * c-parse.c: Remove.
12477 * c-parse.h: Likewise.
12478 * c-parse.y: Likewise.
12479 * objc/objc-parse.c: Likewise.
12480 * objc/objc-pasre.y: Likewise.
12482 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
12484 * gcc.texi: Fix minor typos
12485 * extend.texi: Fix minor typos
12487 2000-07-11 Marc Espie <espie@openbsd.org>
12489 * collect2.c (main): Recognize .lo as object files.
12491 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
12493 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
12496 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
12497 with MAP_ANONYMOUS and MAP_ANON.
12498 * configure, config.in: Rebuilt.
12500 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
12502 * diagnostic.c (save_output_state): Remove.
12503 (restore_output_state): Likewise.
12504 (clear_text_info): New function.
12505 (clear_diagnostic_info): Likewise.
12506 (output_text_length, is_starting_newline, output_prefix,
12507 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
12508 prefixing_policy, output_buffer_ptr_to_format_args): New macros
12509 (set_real_maximum_length, output_set_maximum_length,
12510 output_set_prefix, output_get_prefix, output_set_maximum_length,
12511 output_destroy_prefix, init_output_buffer,
12512 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
12513 output_add_newline, output_add_character, output_add_space,
12514 output_append_r, output_append, wrap_text, output_format,
12515 output_do_printf, output_printf, output_do_verbatim,
12516 output_verbatim, verbatim): Use them.
12517 (output_clear): Split into cleat_text_info and
12518 clear_diagnostic_info.
12519 (struct output_state): Move to...
12521 * diagnostic.h: ...Here
12522 (struct output_buffer): Adjust.
12524 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
12526 * cpplex.c (parse_name): No longer inline (premature optimization).
12527 (do_pop_context): Fold into pop_context.
12528 (pop_context): Returns int.
12529 (lex_next): Hoist test for end of directive into pop_context.
12530 (push_macro_context): Returns int; takes just reader and token.
12531 Hoist test for excessive nesting to caller.
12532 (push_arg_context): Returns void; takes just reader and token.
12533 Do not call stringify_arg or get_raw_token.
12534 (get_raw_token): Convert tail recursion through push_arg_context
12535 to a loop at this level. Call stringify_arg here if appropriate.
12536 (maybe_paste_with_next): Convert tail recursion to a while loop.
12537 Hoist test of paste_level to caller.
12539 (stringify_arg): Push arg context at beginning.
12540 (cpp_get_token): Split out core into _cpp_get_token. Call
12541 process_directive here. Throw away CPP_PLACEMARKER tokens.
12542 (_cpp_get_token): Convert tail recursion through
12543 push_macro_context to a loop at this level.
12544 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
12545 _cpp_get_raw_token): Use _cpp_get_token.
12546 (_cpp_skip_rest_of_line): Drop the context stack directly; do
12547 not call pop_context.
12548 (_cpp_run_directive): Call lex_next directly.
12550 * cpphash.h: Prototype _cpp_get_token.
12551 * cppexp.c (lex): Use it.
12552 * cpphash.c (parse_define): Use it.
12553 * cpplib.c (get_define_node, do_undef, parse_include,
12554 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
12555 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
12556 parse_ifdef, validate_else): Use it.
12557 (cpp_push_buffer): Tweak error message; abort if anyone tries
12558 to push a buffer while macro expansions are stacked.
12560 2000-07-11 Donn Terry <donnte@microsoft.com>
12562 * cpplex.c (free_macro_args, save_token): Cast arg of free
12563 and/or xrealloc to PTR.
12564 (_cpp_init_input_buffer): Clear all fields of the base context.
12566 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
12568 * gensupport.c (process_rtx): Make rtl checking stop
12569 complaining about the define_insn while it is being
12570 converted from a define_insn_and_split.
12572 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
12574 * config/mips/mips.c (simple_memory_operand): Access the
12575 INTVAL of the address, not it's containing MEM.
12577 2000-07-11 Bruce Korb <bkorb@gnu.org>
12579 * fixinc/fixtests.c(double_slash): obsolete
12580 (else_endif_label): likewise
12581 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
12582 (libc1_ifdefd_memx): correct initial comment
12583 and omit the #if/#endif pair from the memxxx declarations
12584 * fixinc/fixincl.x: regen
12586 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12588 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
12590 2000-07-11 Neil Booth <NeilB@earthling.net>
12592 * cpp.texi: Update.
12594 2000-07-11 Neil Booth <NeilB@earthling.net>
12596 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
12597 (handle_option): Set digraphs according to standard.
12598 Merge OPT_lang_c89 handler with OPT_std_c89.
12600 * cpplex.c: (lex_line, can_paste): Honour digraphs in
12601 accordance with the digraphs flag.
12603 * cpplib.h: (struct cpp_options): New option digraphs.
12605 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
12606 Bruce Korb <bkorb@gnu.org>
12608 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
12609 * fixinc/fixincl.x: Regenerate.
12610 * fixinc/tests/base/testing.h: Add testcase.
12612 2000-07-10 Richard Henderson <rth@cygnus.com>
12614 * config/ia64/ia64.c (got_symbolic_operand): New.
12615 (symbolic_operand, move_operand): Revert 0701 change.
12616 * config/ia64/ia64.h (PREDICATE_CODES): Update.
12617 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
12618 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
12619 split the offset into a 14-bit low part instead of a 13-bit low part.
12620 (load_fptr): Mark the mem as unchanging.
12621 (load_symptr): Use got_symbolic_operand.
12623 2000-07-10 Nick Clifton <nickc@cygnus.com>
12625 * libgcc2.c (next_stack_level): Cast result of computation to
12626 (void **) so that the assignment does not generate a warning.
12628 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
12630 * flags.h : Add new variable flag_single_precision_constant.
12631 * toplev.c (display_help) : Add -fsingle-precision-constant option.
12632 (flag_single_precision_constant): New.
12633 * c-lex.c (yylex): Convert floating point constant to single
12634 precision constant.
12635 * invoke.texi : Add documentation for this new option.
12637 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
12639 * diagnostic.c (output_octal): Second parameter is unsigned.
12640 (output_long_octal): Likewise.
12641 (output_hexadecimal): Likewise.
12642 (output_long_hexadecimal): Likewise.
12643 (output_format): Adjust arguments extraction. Tweak.
12644 (output_verbatim, verbatim): End variable argument list.
12645 (report_diagnostic): Improve documentation.
12647 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
12649 * c-common.h (build_stmt): Declare.
12650 (build_continue_stmt): Likewise.
12651 (build_break_stmt): Likewise.
12652 (build_return_stmt): Likewise.
12654 * c-decl.c (do_case): Rewrite to do what previously done in
12657 * c-semantics.c (build_stmt): Define.
12658 (build_return_stmt): Likewise.
12659 (build_break_stmt): Likewise.
12660 (build_continue_stmt): Likewise.
12661 (build_case_label): Likewise.
12663 * c-parse.in (BREAK): Change to build tree, then generate RTL.
12664 (CONTINUE): Likewise.
12665 (RETURN): Likewise.
12667 (DEFAULT): Likewise.
12669 * c-parse.y: Regenerate.
12670 * c-pasre.c: Likewise.
12672 2000-07-09 Jason Merrill <jason@redhat.com>
12674 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
12676 * tree.h (STRIP_NOPS): Check for error_mark_node.
12677 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
12678 (dwarf2out_*): Remove duplicate declarations.
12680 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
12681 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
12683 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
12685 * diagnostic.c (wrap_text): New function.
12686 (maybe_wrap_text): Likewise.
12687 (output_add_string): Use it.
12688 (output_format): Likewise.
12689 (count_error): Use verbatim instead of notice.
12690 (report_error_function): Likewise. Don't use plain fprintf.
12691 (finish_diagnostic): New function.
12692 (output_do_verbatim): Tweak. Commonalize functionalities in
12693 output_verbatim and verbatim.
12694 (output_verbatim): Adjust.
12695 (verbatim): Likewise.
12696 (report_diagnostic): Define.
12698 * diagnostic.h (report_diagnostic): Prototype.
12700 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
12702 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
12704 2000-07-09 Neil Booth <NeilB@earthling.net>
12706 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
12707 IShspace, ISspace: Update.
12709 * cppinit.c: ISTABLE: Update.
12712 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
12713 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
12714 (skip_block_comment, skip_line_comment, parse_string,
12715 lex_line): Use is_vspace rather than IS_NEWLINE.
12716 (skip_whitespace, lex_line): Clean up to use is_nvspace.
12717 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
12719 (lex_next): Unconditionally stop if within a directive.
12720 Treat directives within macro invocations as directives
12721 (after parse_args emits error), not as the argument.
12723 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
12725 * diagnostic.c (diagnostic_args): New macro.
12726 (diagnostic_msg): Likewise.
12727 (output_formatted_integer): Likewise.
12728 (output_state): New data type.
12729 (digit_buffer): Make global.
12730 (output_add_integer): Rename to output_decimal. Squeeze
12732 (output_long_decimal, output_unsigned_decimal,
12733 output_long_unsigned_decimal, output_octal, output_long_octal,
12734 output_hexadecimal, output_long_hexadecimal): New functions.
12735 (output_append_r): New function.
12736 (output_append): Tweak.
12737 (output_flush_on): Rename to output_to_stream.
12738 (output_format): Change prototype. Improve documentation. Handle
12739 more format specifiers.
12740 (build_location_prefix): Rename to context_as_prefix.
12741 (output_notice): Rename to output_do_printf.
12742 (output_printf): Tweak.
12743 (line_wrapper_printf): Likewise.
12744 (vline_wrapper_message_with_location): Adjust call to renamed
12746 (v_message_with_decl): Likewise.
12747 (default_print_error_function): Likewise.
12748 (save_output_state): New function.
12749 (restore_output_state): Likewise.
12750 (output_do_verbatim): Likewise.
12751 (output_verbatim): Define.
12752 (verbatim): Likewise.
12754 * diagnostic.h (printer_fn): Change return type from void to int.
12755 Improve documentation.
12756 (output_add_integer): Rename to output_decimal.
12757 (output_flush_on, output_format): Don't export.
12758 (output_verbatim, verbatim): Declare.
12760 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
12762 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
12763 Check whether c divides op1 exactly if operation is not
12766 2000-07-08 Richard Henderson <rth@cygnus.com>
12768 * final.c (final): Do not abort when reg-stack introduces
12771 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
12773 * cpplib.h (struct cpp_name): Now struct cpp_string.
12774 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
12775 CPP_HEADER_NAME): Change to type S.
12776 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
12777 field, a cpp_hashnode *. All references to val.name updated
12778 to use val.str or val.node as appropriate.
12779 (struct cpp_reader): Add spec_nodes field.
12780 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
12782 * cpphash.h (struct spec_nodes): New.
12783 (enum spell_type): Reorder. Only SPELL_STRING tokens use
12784 val.str. All references to 'spelling > SPELL_NONE' updated to
12787 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
12788 pfile->buffer->inc are not NULL before dereferencing them.
12790 * cpplex.c (parse_name): Take a pointer to the current token,
12791 plus current position and limit as args; return the new
12792 position; don't copy the text of a name into the string
12793 buffer, instead call cpp_lookup and store the node pointer.
12794 If extending a token, copy out the text of the old into a
12795 scratch buffer, append the new, look that up and store the new
12796 node pointer. Inline.
12797 (maybe_paste_with_next): If the result of paste is a NAME,
12798 then look up the pasted text and store its node pointer.
12799 (lex_line): Adjust for new parse_name interface.
12800 Check for L"str", L'str' using spec_nodes->n_L.
12801 (spell_token): SPELL_IDENT tokens have their spelling in
12802 val.node->name. Handle SPELL_STRING tokens that don't have
12804 (_cpp_expand_name_space,
12805 (can_paste): Check for L ## "str" using spec_nodes->n_L.
12806 (cpp_get_token, special_symbol): No need to call cpp_lookup.
12807 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
12808 return 1=equal 0=not, not a tristate.
12810 * cpphash.c (var_args_str): Delete.
12811 (find_param): Compare node fields directly.
12812 (is__va_args__): Use CPP_PEDANTIC. Just compare
12813 token->val.node with spec_nodes->n__VA_ARGS__.
12814 (dump_funlike_macro): Don't use var_args_str.
12816 * cpplib.c (_cpp_check_directive): Just walk through
12817 spec_nodes->dirs comparing pointers.
12818 (get_define_node, do_pragma_poison, detect_if_not_defined,
12819 parse_ifdef): The identifier has already been looked up.
12820 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
12822 (do_if): Only call detect_if_not_defined at beginning of file.
12823 (_cpp_parse_assertion): Only copy string pointers for
12824 SPELL_STRING tokens.
12825 (pragma_dispatch): Take a node pointer and examine its name
12827 (_cpp_init_stacks): Also initialize the spec_nodes structure.
12829 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
12831 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
12832 reverse order from the corresponding _cpp_init_* routines.
12834 * cppexp.c (parse_number, parse_charconst, parse_defined,
12835 lex): Check val.node->type instead of calling cpp_defined.
12836 Use spec_nodes entries where appropriate.
12838 * fix-header.c, scan-decls.c: Update for interface changes.
12840 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
12842 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
12843 emitting aux_truncdfsf2.
12845 2000-07-03 Donn Terry (donnte@microsoft.com)
12847 * cppinit.c (print_help): split overlong line into ISO C89
12850 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
12852 * cppexp.c: Update all code for new lexer interface.
12853 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
12854 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
12855 * cpplex.c (token_names): Trim leading CPP_ from names; make
12856 the strings unsigned.
12857 (_cpp_spell_operator): New.
12858 (is_macro_disabled): Disable all macros if rescanning
12860 (_cpp_get_directive_token): Remove.
12862 * cppinit.c: Don't set no_macro_expand.
12863 * cpplib.c (read_line_number, do_line): Check only for EOF,
12865 * cpphash.h: Update prototypes.
12866 * cpplib.h (CPP_VSPACE): Remove.
12867 (struct cpp_reader): Remove no_macro_expand.
12869 2000-07-08 Neil Booth <NeilB@earthling.net>
12871 * cpphash.c (is__va_args__): New function.
12872 (count_params): Fix line reported in error messages. Use
12873 is__va_args__. Don't return ')' on error. Flag GNU style
12874 rest args macro definitions.
12875 (parse_define): Check macro name is not __VA_ARGS__.
12876 (save_expansion): Check identifier in non-varargs-macro is
12877 not __VA_ARGS__. Don't flag GNU_VARARGS.
12878 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
12879 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
12880 than per-token GNU_VARARGS.
12881 * cpplib.h (GNU_VARARGS): Remove.
12882 (GNU_REST_ARGS): New.
12884 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
12886 * i386.md (call_pop, call, call_value_pop): Do not set
12887 current_function_uses_pic_offset_table for calls to static
12888 functions or indirect calls.
12890 2000-07-07 Jim Wilson <wilson@cygnus.com>
12892 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
12893 is_predicate_reg, then take max write_count of register pair.
12895 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12897 * tradcpp.c (main): Rename label `include' to `add_include' to
12898 avoid conflicts with variable `include' in traditional C.
12900 2000-07-07 Jakub Jelinek <jakub@redhat.com>
12902 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
12904 2000-07-07 Jakub Jelinek <jakub@redhat.com>
12906 * sibcall.c (uses_addressof): Add INMEM argument, check for
12907 current_function_internal_arg_pointer outside of MEM rtxs in addition
12909 (sequence_uses_addressof): Update caller.
12911 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
12913 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
12916 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12918 * system.h (UNION_INIT_ZERO): New macro for initializing union
12919 members in structs.
12921 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
12923 2000-07-07 Neil Booth <NeilB@earthling.net>
12925 * cpp.texi: Update.
12927 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
12929 * final.c (final): Detect out of bounds array access to
12930 the insn_lengths array.
12932 2000-07-07 Kazu Hirata <kazu@hxi.com>
12934 * fold-const.c (fold): Fix a comment typo.
12936 2000-07-07 Neil Booth <NeilB@earthling.net>
12938 * cpp.texi: Update to new lexer.
12940 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
12942 * tradcpp.c: New file.
12943 * tradcif.y: New file.
12944 * tradcif.c: New generated file.
12946 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
12947 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
12948 dependencies of C. Install tradcpp from install-common, in
12951 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
12953 * cppinit.c: Include cppdefault.h. Refer to
12954 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
12955 to GCC_INCLUDE_DIR and its length.
12956 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
12957 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
12958 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
12960 (include_defaults_array): Move to cppdefault.c.
12962 * cppdefault.h: New file.
12963 * cppdefault.c: New file.
12965 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
12966 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
12967 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
12970 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12972 * reload.c (push_reload): When seeing if can reuse a register,
12973 check extra registers against widest of INMODE and OUTMODE.
12975 2000-07-06 Neil Booth <NeilB@earthling.net>
12977 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
12978 based on full length of predicate.
12980 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
12982 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
12983 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
12985 2000-07-05 Kazu Hirata <kazu@hxi.com>
12987 * h8300-proto.h: Fix formatting.
12988 * h8300.c: Likewise.
12989 * h8300.h: Likewise.
12991 2000-07-05 Jim Wilson <wilson@cygnus.com>
12993 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
12996 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
12998 * invoke.texi: Fix minor typos
12999 * md.texi: Fix minor typos
13001 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
13003 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
13005 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
13007 * cpplex.c: Don't include sys/mman.h.
13008 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
13010 * cpplib.c: Include sys/mman.h and obstack.h.
13011 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
13013 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
13014 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
13015 bother freeing if stack entries (they will be freed with their buffer).
13016 (do_endif): Free if stack entries from the buffer obstack.
13017 (push_conditional): Allocate if stack entries from the buffer obstack.
13019 (find_answer): Rename to _cpp_find_answer.
13020 (do_assert, do_unassert): Update.
13022 * cpphash.h: Update prototypes.
13023 (xobnew): New convenience macro.
13024 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
13026 (struct cpp_hashnode): Remove disabled field.
13028 * cppinit.c: Don't include hashtab.h or splay-tree.h.
13029 (report_missing_guard): Moved to cppfiles.c.
13030 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
13032 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
13033 cpp_cleanup_includes. Don't destroy hashtab or
13034 all_include_files here.
13035 (cpp_finish): Use _cpp_report_missing_guards.
13037 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
13038 (_cpp_init_include_table): Rename _cpp_init_includes.
13039 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
13041 * cppexp.c (parse_assertion): Update for new name of
13044 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
13046 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
13048 * cpplib.c (do_ident): s/VSPACE/EOF/
13050 2000-07-05 Neil Booth <NeilB@earthling.net>
13052 * cpplex.c: Fix trigraph replacement within strings.
13054 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13056 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
13058 * xcoffout.c (assign_type_number): Constify.
13059 (xcoffout_source_file): Add static prototype. Don't needlessly
13060 cast away const-ness.
13062 2000-07-04 Jason Merrill <jason@redhat.com>
13064 * frame.h (frame_state): Move base_offset to end.
13066 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
13068 * calls.c (emit_library_call_value_1): Revert previous change.
13070 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
13072 * fix-header.c (struct partial_proto): Remove unnecessary fields.
13073 (recognized_extern, recognized_function, read_scan_file):
13074 Update for new scheme.
13075 (check_protection): It's still a multiple include guard even
13076 if it doesn't always trigger.
13077 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
13079 * scan.h: Declare struct cpp_token. Update prototypes.
13081 2000-07-03 Neil Booth <neilb@earthling.net>
13082 Zack Weinberg <zack@wolery.cumb.org>
13084 Complete overhaul of the lexer and macro expander.
13086 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
13087 arg, arglist, argdata, reflist, collect_objlike_expansion,
13088 collect_funlike_expansion, collect_params,
13089 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
13090 unsafe_chars, macarg, compare_defs, special_symbol,
13091 scan_arguments, stringify, funlike_macroexpand,
13092 _cpp_quote_string, monthnames): Delete.
13093 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
13094 _cpp_create_definition, _cpp_dump_definition,
13095 dump_hash_helper): Adjust.
13096 (find_param, count_params, parse_define, var_args_str,
13097 check_macro_redefinition, save_expansion): New.
13099 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
13100 parse_string, output_line_command, trigraph_replace,
13101 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
13102 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
13103 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
13104 _cpp_skip_rest_of_line): Modify.
13106 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
13107 find_position, null_warning, bump_column, expand_name_space,
13108 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
13109 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
13110 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
13111 _cpp_prescan): Delete.
13113 (dump_param_spelling, process_directive, lex_next,
13114 is_macro_disabled, stringify_arg, expand_context_stack,
13115 output_token, make_string_token, alloc_number_token,
13116 special_symbol, duplicate_token, maybe_paste_with_next,
13117 can_paste, prevent_macro_expansion, restore_macro_expansion,
13118 get_temp_token, release_temp_tokens, quote_string,
13119 token_names, token_spellings, _cpp_expand_name_space,
13120 _cpp_glue_header_name, _cpp_reserve_name_space,
13121 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
13122 placemarker_token, eof_token, cpp_context, macro_args,
13123 get_raw_token, parse_arg, parse_args, save_token,
13124 push_arg_context, push_macro_context, pop_context,
13125 do_pop_context, free_macro_args, _cpp_get_line,
13126 _cpp_run_directive): New.
13128 * cpplib.c (validate_else, parse_include, push_conditional,
13129 pass_thru_directive, read_line_number, parse_ifdef,
13130 detect_if_not_defined, _cpp_check_directive, do_define,
13131 do_undef, do_include, do_import, do_include_next, do_error,
13132 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
13133 top_pragmas, do_pragma_gcc, do_pragma_implementation,
13134 do_pragma_poison, do_pragma_system_header,
13135 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
13136 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
13137 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
13138 cpp_defined): Update for new scheme.
13139 (strtoul_for_line, get_define_node, dump_macro_name,
13140 _cpp_check_linemarker, _cpp_parse_assertion): New.
13141 (_cpp_handle_directive, do_pragma_default): Delete.
13143 * cpphash.h (struct predicate): Now struct answer.
13144 (enum spell_type, struct token_spelling, struct directive,
13145 directive_handler): New.
13146 Update prototypes. Remove unused macros.
13147 * cpplib.h: Update prototypes. Remove unused macros,
13148 structure definitions, and fields.
13150 * cpperror.c (print_containing_files, v_message): Adjust.
13151 * cppexp.c (parse_assertion, lex, parse_escape,
13152 _cpp_parse_expr): Adjust.
13153 * cppfiles.c (open_include_file, _cpp_execute_include,
13154 _cpp_compare_file_date, cpp_read_file, read_include_file):
13156 * cppinit.c (dump_special_to_buffer): Delete.
13157 (append_include_chain, merge_include_chains, cpp_reader_init,
13158 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
13159 cpp_finish, handle_option, print_help): Adjust.
13160 * cppmain.c (main): Adjust.
13162 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
13164 * cppspec.c (lang_specific_driver): Use double quotes in error
13167 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
13169 * calls.c (emit_library_call_value_1): Use valreg instead
13170 of hard_libcall_value.
13172 2000-07-03 Geoff Keating <geoffk@cygnus.com>
13174 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
13175 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
13176 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
13184 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
13185 mode instead of wider_mode is being used.
13187 2000-07-03 Jakub Jelinek <jakub@redhat.com>
13189 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
13190 of 'r'. Use q_regs_operand.
13191 (andsi_1+2): Use q_regs_operand.
13193 2000-07-03 Jakub Jelinek <jakub@redhat.com>
13195 * builtins.c (get_memory_rtx): Always put into alias set 0.
13197 2000-07-03 Nick Clifton <nickc@cygnus.com>
13199 * config/arm/arm.md: Fix post increment and pre increment
13200 peepholes so that they do not generate UNPREDICATBLE opcodes.
13201 (ie ones where the increment clobbers the source/destination).
13203 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
13205 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
13206 change too big for -mtiny-stack" a warning, if larger than 63.
13207 (out_set_stack_ptr): Change the logic so -mno-interrupts is
13208 always safe to use on possible future devices.
13209 (function_prologue): Write SPH before SPL, for consistency.
13210 If interrupt_func_p true, we know we have enabled interrupts.
13211 (avr_num_arg_regs): New function. Round up to even number of
13212 bytes if no -mpack-args or if calling a libgcc function.
13213 (function_arg, function_arg_advance): Use it.
13214 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
13215 Output "movw" if available.
13216 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
13217 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
13218 (asm_output_section_name): Add blanks for consistent output.
13219 (encode_section_info): Set TREE_READONLY for progmem data to
13220 avoid gas warnings about changed section attributes.
13221 (avr_hard_regno_mode_ok): Force non-QImode data to start in
13222 even numbered registers on devices with "movw".
13223 * config/avr/avr.h (MASK_*): Define bits for target_flags.
13224 (TARGET_SWITCHES): Mark help strings for translation.
13225 Add new -mpack-args and -menhanced switches.
13226 (TARGET_OPTIONS): Mark help strings for translation.
13227 (progmem_section): Add section attributes.
13228 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
13229 Output "movw" if available.
13230 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
13232 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
13233 call convention (arguments aligned on even registers).
13234 (_cleanup, _exit): Make weak symbols libc can override.
13236 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13238 * fp-bit.h: New file.
13240 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
13241 Comment #endif statements.
13242 (__thenan_sf, __thenan_df): Add missing braces around initializer.
13244 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
13246 * gcse.c (compute_pre_data): Compute ae_kill using other local
13247 properties instead of calling compute_ae_kill.
13249 * alias.c (init_alias_analysis): Do not call
13250 prologue_epilogue_contains until after reload has completed.
13252 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
13254 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
13255 (genrtl_finish_compound_stmt): Likewise.
13256 (genrtl_compound_stmt): Change to return void.
13258 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
13259 move code from here to ...
13260 (genrtl_compound_stmt): ... here.
13261 (genrtl_finish_compound_stmt): Remove.
13262 (expand_stmt): Add comment.
13264 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
13266 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
13269 2000-07-02 Jakub Jelinek <jakub@redhat.com>
13271 * cpplib.h (struct cpp_reader): New field include_depth.
13272 (struct cpp_printer): Rename last_bsd to last_id.
13273 * cppfiles.c (read_include_file): Bump include_depth.
13274 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
13275 (output_line_command): Output correct #line if a header
13276 is including itself and is not protected against multiple inclusion.
13277 Use include_depth instead of buffer_stack_depth, last_id instead of
13279 * cppinit.c (cpp_start_read): Initialize last_id instead of
13282 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
13284 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
13285 (c-semantics.o): New target.
13287 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
13288 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
13289 (genrtl_clear_out_block): Likewise.
13290 (genrtl_goto_stmt): Likewise.
13291 (genrtl_expr_stmt): Likewise.
13292 (genrtl_decl_stmt): Likewise.
13293 (genrtl_if_stmt): Likewise.
13294 (genrtl_while_stmt): Likewise.
13295 (genrtl_do_stmt): Likewise.
13296 (genrtl_return_stmt): Likewise.
13297 (genrtl_for_stmt): Likewise.
13298 (genrtl_break_stmt): Likewise.
13299 (genrtl_continue_stmt): Likewise.
13300 (genrtl_scope_stmt): Likewise.
13301 (genrtl_switch_stmt): Likewise.
13302 (genrtl_case_label): Likewise.
13303 (genrtl_begin_compound_stmt): Likewise.
13304 (gerntl_finish_compound_stmt): Likewise.
13305 (genrtl_compound_stmt): Likewise.
13306 (genrtl_asm_stmt): Likewise.
13307 (genrtl_decl_cleanup): Likewise.
13308 (DECL_ANON_UNION_ELEMS): Likewise.
13309 (emit_local_var): Likewise.
13310 (make_rtl_for_local_static): Likewise.
13311 (expand_cond): Likewise.
13312 (expand_stmt): Likewise.
13313 (c_expand_return): Likewise.
13314 (c_expand_start_case): Likewise.
13315 (do_case): Likewise.
13316 (COMPOUND_STMT_NO_SCOPE): Likewise.
13317 (c_expand_asm_operands): Likewise.
13318 (NEW_FOR_SCOPE_P): New macro.
13319 (expand_expr_stmt_fn): New type.
13321 (set_current_function_name_declared): Likewise.
13322 (current_function_name_declared): Likewise.
13323 (lang_expand_stmt): Likewise.
13324 (stmts_are_full_exprs_p): Likewise.
13325 (anon_aggr_type_p): Likewise.
13326 (lang_expand_expr_stmt): Likewise.
13327 (build_case_label): Likewise.
13329 * c-decl.c (lang_expand_expr_stmt): Initialize.
13330 (stmts_are_full_exprs_p): Define.
13331 (current_function_name_declared): Likewise.
13332 (do_case): Likewise.
13333 (lang_expand_stmt): Likewise.
13334 (set_current_function_name_declared): Likewise.
13335 (anon_aggr_type_p): Likewise.
13337 * c-semantics.c: New file.
13338 (expand_cond): Moved from cp/semantics.c.
13339 (genrtl_do_pushlevel): Likewise.
13340 (genrtl_clear_out_block): Likewise.
13341 (genrtl_goto_stmt): Likewise.
13342 (genrtl_expr_stmt): Likewise.
13343 (genrtl_decl_stmt): Likewise.
13344 (genrtl_if_stmt): Likewise.
13345 (genrtl_while_stmt): Likewise.
13346 (genrtl_do_stmt): Likewise.
13347 (genrtl_return_stmt): Likewise.
13348 (genrtl_for_stmt): Likewise.
13349 (genrtl_break_stmt): Likewise.
13350 (genrtl_continue_stmt): Likewise.
13351 (genrtl_scope_stmt): Likewise.
13352 (genrtl_switch_stmt): Likewise.
13353 (genrtl_case_label): Likewise.
13354 (genrtl_begin_compound_stmt): Likewise.
13355 (genrtl_finish_compound_stmt): Likewise.
13356 (genrtl_compound_stmt): Likewise.
13357 (genrtl_asm_stmt): Likewise.
13358 (genrtl_decl_cleanup): Likewise.
13359 (make_rtl_for_local_static): Moved from cp/decl.c.
13360 (emit_local_var): Likewise.
13361 (expand_stmt): Define.
13363 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
13364 (c_expand_return): Likewise.
13365 (c_expand_start_case): Likewise.
13367 2000-07-01 Richard Henderson <rth@cygnus.com>
13369 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
13370 with the low 13 bits set.
13371 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
13372 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
13373 of the low 13 bits into a CONST plus an adddi3.
13374 (load_symptr): Set RTX_UNCHANGING_P.
13376 See ChangeLog.3 for earlier changes.