1 2000-10-06 David O'Brien <obrien@FreeBSD.org>
3 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
6 2000-10-06 Richard Henderson <rth@cygnus.com>
8 * function.c (diddle_return_value): Examine
9 current_function_return_rtx instead of the DECL_RESULT.
10 (expand_function_end): Handle reloading DECL_RESULT from memory
11 into a hard register. Query promote_mode for sign of mismatched
14 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
16 * haifa-sched.c (schedule_insns): Fix typo in freeing
17 forward_dependency_cache.
19 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
21 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
22 `TARGET_SH2' as a condition.
24 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
26 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
27 forward_dependency_cache): New variables.
28 (add_dependence, remove_dependence): Use anti_dependency_cache and
29 output_dependency_cache.
30 (compute_block_forward_dependences): Use forward_dependency_cache.
31 (schedule_insns): Allocate and free memory for anti/output/forward
34 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
36 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
37 `! TARGET_SH1'. Reindent.
39 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
41 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
42 Move functions from here ...
44 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
46 (c_expand_builtin): New function.
47 (init_function_format_info): Don't set `check_function_format_ptr'.
48 (c_common_nodes_and_builtins): Set built_in_class type for
49 printf/__builtin_printf to BUILT_IN_FRONTEND.
50 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
52 * c-common.h (build_function_call): Declare.
54 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
55 to `lang_expand_expr' rather than `expand_builtin'.
57 * tree.c (check_function_format_ptr): Delete.
59 * tree.h (check_function_format_ptr): Likewise.
61 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
63 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
64 DW_OP_bregx when cfa->reg > 31.
66 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
69 2000-10-05 Richard Henderson <rth@cygnus.com>
71 * c-decl.c (warn_missing_noreturn): Remove.
72 (c_expand_body): Don't set or check can_reach_end.
73 * c-tree.h (warn_missing_noreturn): Move ...
75 (can_reach_end): Remove.
76 * flow.c (check_function_return_warnings): New.
77 (make_edges): No edge to exit for noreturn sibcalls.
78 * function.c (expand_function_end): Save the return value
80 (mark_function_status): Mark it.
81 * function.h (struct function): Add x_clobber_return_insn.
82 * jump.c (can_reach_end): Remove.
83 (calculate_can_reach_end): Remove.
84 (jump_optimize_1): Don't call it.
85 * output.h (check_function_return_warnings): Declare.
86 * toplev.c (warn_missing_noreturn): Move from c-decl.c
87 (rest_of_compilation): Call check_function_return_warnings.
89 2000-10-05 Richard Henderson <rth@cygnus.com>
91 * Makefile.in (NM_FOR_TARGET): New.
92 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
93 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
94 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
95 shared library build on that and EXTRA_MULTILIB_PARTS.
96 * mkmap-flat.awk: New file.
97 * mkmap-symver.awk: New file.
98 * libgcc-std.ver: New file.
99 * config/libgcc-glibc.ver: New file.
100 * config/ia64/libgcc-ia64.ver: New file.
101 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
102 (SHLIB_LINK): Add --version-script.
103 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
104 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
105 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
106 (SHLIB_LINK): Add -M.
108 2000-10-05 Richard Henderson <rth@cygnus.com>
110 * Makefile.in (LIB2FUNCS): Add _clz.
111 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
112 (__clz_tab): Put in its own unit, non-static.
113 * libgcc2.h: Always include longlong.h.
115 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
116 a zero instead of -1.
117 (count_trailing_zeros): Likewise.
119 2000-10-05 Richard Henderson <rth@cygnus.com>
121 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
122 when second op1 is const0_rtx. Validate op0 as a register.
123 * config/alpha/alpha.md (setcc_internal): Don't allow constants
124 in the first argument of the compare.
125 (setcc_swapped_internal): Likewise.
126 (setne_internal): Likewise.
128 2000-10-05 Geoff Keating <geoffk@cygnus.com>
130 * tree.c (tree_size): New function split out of copy_node.
131 (make_node): Remove obstack handling. Use tree_size.
132 (copy_node): Use tree_size.
133 * tree.h: Prototype tree_size.
135 2000-10-05 Richard Henderson <rth@cygnus.com>
137 * diagnostic.c (output_format): Add missing break.
139 2000-10-05 Jim Wilson <wilson@cygnus.com>
141 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
142 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
143 sequence insn to INSN, and delete last sequence insn.
145 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
147 * gcc.c (main): Include generated configargs.h header
148 and use arguments in '-v' output.
150 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
152 * gcc.c: Move data on prefixes forward in file and reorganize.
153 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
154 Always define, but make null if no value.
155 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
156 and "md_startfile_prefix_1".
157 (main): Check whether md_exec_prefix and the others are the
158 null string rather than whether the macro is defined.
160 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
162 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
163 from PSImode to SImode.
165 2000-10-05 Jakub Jelinek <jakub@redhat.com>
167 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
168 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
169 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
172 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
174 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
175 negation in proper type.a
177 2000-10-04 Richard Henderson <rth@cygnus.com>
179 * configure.in (enable-shared): New.
180 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
181 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
182 * mklibgcc.in: Use them to link shared a libgcc.
183 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
184 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
185 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
186 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
188 * configure.in (alpha-osf*): Use t-osf and x-osf.
189 * config/alpha/t-osf: New file.
190 * config/alpha/t-osf4: New file.
191 * config/alpha/x-osf: New file.
192 * config/alpha/x-alpha: Remove file.
194 2000-10-04 Will Cohen <wcohen@redhat.com>
196 * c-typeck.c (process_init_element): Added warning for zero-length
199 * extend.texi (Zero Length): State that static initializers for
200 zero-length arrays are not allowed.
202 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
204 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
207 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
209 * config/float-c4x.h: New.
210 * configure.in (c4x-*): Set float_format to c4x.
211 * configure: Regenerate.
213 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
215 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
216 compilation for solaris versions 2.7 and greater.
218 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
220 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
222 2000-10-01 Mark Mitchell <mark@codesourcery.com>
224 * config/ns32k/genix.h: Remove.
225 * config/ns32k/x-genix: Likewise.
226 * config/ns32k/xm-genix.h: Likewise.
227 * config/fx80: Remove all filee in directory.
228 * config/pyr: Likewise.
229 * config/tahoe: Likewise.
230 * config/gmicro: Likewise.
231 * config/spur: Likewise.
232 * configure.in: Remove configury bits for above targets.
233 * configure: Regenerated.
235 * configure.in: Don't configure chill by default.
236 * configure: Regenerated.
238 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
239 (lang_mark_false_label_stack): Remove.
240 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
241 <top level> string in GC area.
242 (mark_splay_tree_node): New function.
243 (mark_splay_tree): Likewise.
244 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
246 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
247 * ggc-common.c (lang_mark_false_label_stack): Change type.
248 * ggc.h (ggc_alloc_string): Add comment.
249 (ggc_strdup): New function.
251 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
253 * config/avr/avr.h (BRANCH_COST): Define as 0.
255 * config/pdp11/pdp11.c: #include "tree.h" added.
257 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
259 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
260 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
261 with known shift count.
262 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
263 New alternative for shift count 2 with no scratch register.
264 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
265 "set_n" for shift counts 1 and 2.
267 2000-09-30 Geoff Keating <geoffk@cygnus.com>
269 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
270 the mask value from the individual SET operations.
271 (return_internal_si): Move the USE after the RETURN.
272 (return_internal_di): Likewise.
273 (return_and_restore_fpregs_si): Likewise.
274 (return_and_restore_fpregs_di): Likewise.
275 (return_eh_si): Likewise.
276 (return_eh_di): Likewise.
277 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
279 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
280 Don't generate a PARALLEL around a single operation movsi_to_cr.
281 Generate the RETURN first in any PARALLELs.
283 * rtlanal.c (single_set_1): Use fatal_insn to display the
284 invalid insn. Check for more cases when a USE or CLOBBER occurs
286 * Makefile.in: Update dependencies for rtlanal.o.
288 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
290 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
292 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
294 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
295 Consistently use @email for formatting email addresses.
297 2000-09-29 Richard Henderson <rth@cygnus.com>
299 * cse.c (notreg_cost): New argument outer.
300 (COST): Pass in SET to notreg_cost
302 (fold_rtx): Use COST_IN. Prefer constants when costs
305 2000-09-29 David Edelsohn <edelsohn@gnu.org>
307 * fixinc/inclhack.def (broken_cabs): Generalize regex.
308 * fixinc/fixincl.x: Regenerate.
310 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
312 * loop.c (check_final_value): A GIV is not replaceable if used
315 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
317 * version.c: Bump to gcc-2.97.
319 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
321 * final.c (final_scan_insn): Remove extra extract_insn call;
322 Use caching for constrain_operands.
323 (cleanup_subreg_operands): Use caching for extract_insn.
324 * recog.c (constrain_operands_cached): New.
325 * recog.h (constrain_operands_cached): Declare.
326 * i386.c (ix86_attr_length_immediate_default,
327 ix86_attr_length_address_default, ix86_agi_dependant): Cache
330 * recog.c (asm_noperands): Tweak.
331 (extract_insn): Do not call asm_noperads for non-asm instructions.
333 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
335 * recog.c (recog_memoized): Rename to recog_memoized_1.
336 * recog.h (recog_memoized): Rename to recog_memoized_1.
337 (recog_memoized): New macro.
338 * rtl.h (single_set): Rename to single_set_1
339 (single_set): New macro.
340 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
343 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
344 Do not use match_dup of input operands at outputs.
345 Use register_operand for memory expression.
346 (rep_movsi): Put use last, canonicalize.
347 Use register_operand for memory expression.
348 (rep_movqi): Put use last.
349 Use register_operand for memory expression.
350 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
351 of input operands at outputs. Use register_operand for memory
353 (rep_stossi): Put use last; canonicalize; fix match_dup in
354 the address expression
355 (rep_stosqi): Likewise.
356 (memcmp expander): Update calls.
357 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
360 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
362 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
364 2000-09-28 David O'Brien <obrien@FreeBSD.org>
366 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
367 Contains the old contents of config/i386/freebsd.h
368 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
369 Contains the old contents of config/i386/freebsd-elf.h
370 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
371 config/i386/freebsd.h.
372 * configure.in: Adjust for above changes.
373 * po/POTFILES.in: Likewise.
374 * po/en_GB.po: Likewise.
375 * po/gcc.pot: Likewise.
376 * configure: Rebuilt.
378 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
380 * doloop.c (doloop_modify): Prevent delete_insn() from
381 deleting too much. Prefer loop->top over loop->start as
382 target for the new JUMP insn.
383 (doloop_valid_p): Ignore loop with exit_count != 0.
385 2000-09-28 Philipp Thomas <pthomas@suse.de>
387 * invoke.texi (i386 Options): Add athlon to table of possible
390 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
392 * diagnostic.h (output_clear_message_text): New function.
393 (output_message_text): New macro.
395 * diagnostic.c (clear_text_info): Rename to
396 output_clear_message_text.
397 (output_clear): Adjust.
398 (output_finish): Rename to output_finalize_message. Tweek.
399 (output_to_stream): Adjust.
401 2000-09-28 Neil Booth <neilb@earthling.net>
403 * cpperror.c (_cpp_begin_message): Do the test for suppression
404 of warnings and pedantic warnings before the "is a warning an
406 * cppinit.c (cpp_handle_option): Remove surplus \n.
407 * cpplex.c (ON_REST_ARG): Delete.
408 (skip_block_comment): Initialise prevc.
409 (parse_args): Improve error messages.
410 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
412 * cpplib.c (cpp_push_buffer): Fix grammar in message.
413 * cppmain.c (main): Set callbacks for #ident and #pragma
414 only if no_output option is false.
415 (do_pragma_implementation): Only call the #pragma handler
416 if it is set in the cpp_reader structure.
418 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
420 * integrate.c (copy_insn_list): if an ignored return value
421 is being clobbered, skip cloning that into the inline copy.
423 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
425 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
426 use @uref for formatting URLs.
428 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
430 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
433 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
435 * gcc.c (cpp_options): Add spec for -ftabstop=.
436 (invoke_as): New spec that handles invoking as.
437 Update specs to handle -save-temps and -traditional.
438 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
440 * cp/lang-specs.h, objc/lang-specs.h: Update to use
441 invoke_as, and handle -save-temps and -traditional (if
444 2000-09-26 Jakub Jelinek <jakub@redhat.com>
446 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
448 (function_arg_slotno): Accept TImode/CTImode.
449 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
452 2000-09-26 Michael Hayes <mhayes@cygnus.com>
454 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
457 2000-09-25 Jim Wilson <wilson@cygnus.com>
459 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
460 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
461 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
462 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
464 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
466 * cpplex.c (parse_args): Don't set VOID_REST flag.
467 (CONTEXT_VARARGS): New flag.
468 (maybe_paste_with_next): Set context earlier in loop. Use
469 it. Do varargs test with CONTEXT_VARARGS flag.
470 (push_arg_context): Set CONTEXT_VARARGS flag if we're
471 pushing an argument context for a varargs argument.
472 * cpplib.h (VOID_REST): Delete.
473 * gcc.dg/cpp/vararg1.c: Add test case.
475 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
477 * flags.h: Declare warning flag warn_system_headers.
478 * toplev.c: Define it.
479 (W_options): Add option -Wsystem-headers.
480 * diagnostic.c (count_error): Test warn_system_headers.
481 * invoke.texi: Add description for -Wsystem-headers.
482 * cpplib.h (cpp_options): New member warn_system_headers.
483 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
484 CPP_IN_SYSTEM_HEADER.
485 * cpplib.c (do_import, do_pragma_once): Likewise.
486 * cpperror.c (_cpp_begin_message): Test warn_system_headers
487 and CPP_IN_SYSTEM_HEADER.
488 * cppinit.c (handle_option): Recognize -Wsystem_headers.
489 (print_help): Describe -Wsystem_headers.
490 * cpplex.c (lex_line): Reorganize condition so that warnings
491 about C++ comments in system headers can be enabled. Remove
492 label do_line_comment.
494 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
496 * cpplex.c (save_comment): Only store the initial '/'
498 (lex_token): Combine handling of the two comment types.
499 Pass everything but the initial '/' to save_comment.
501 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
503 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
504 _cpp_can_paste): New library-internal prototypes.
505 * cpplex.c (dump_param_spelling, output_line_command,
506 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
507 cpp_printf, cpp_output_list): Move to cppoutput.c.
508 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
509 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
511 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
512 dump_param_spelling, output_line_command, cpp_scan_buffer,
513 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
515 * Makefile.in: Add cppoutput.c.
516 * po/POTFILES.in: Add cppoutput.c.
518 2000-09-25 Richard Henderson <rth@cygnus.com>
520 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
521 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
522 split until after reload.
523 (rotlsi3, rotldi3): New.
525 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
527 * diagnostic.c (output_last_position): Define.
528 (set_real_maximum_length): Tweek.
529 * diagnostic.h (output_last_position): Declare.
531 2000-09-25 Kazu Hirata <kazu@hxi.com>
533 * config/i386/i386.c: Fix formatting.
535 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
537 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
538 UNITS_PER_WORD is small.
540 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
542 * c-common.c (format_char_info): Add flags2; update comments.
543 (print_char_table, scan_char_table, time_char_table): Split some
544 flags out into flags2.
545 (check_format_info): Use flags2 for those flags, for identifying
546 the initial character of a scanf scanset, and for identifying
547 printf formats where the '0' flag is ignored with precision.
549 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
551 Changes below marked "here" add TABs on either or both sides,
552 covering start of line, up to any operand for all noted .*ASM.*_OP
553 definitions. All callers changed.
554 * tm.texi: Make documented *_ASM.*_OP:s include spacing
555 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
556 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
557 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
558 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
559 Fix typos in description for LONG_LONG_TYPE_SIZE and
561 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
562 why these defaults don't have leading spacing.
563 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
564 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
565 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
566 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
567 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
568 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
569 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
570 * varasm.c (ASM_STABS_OP): Here.
571 * xcoffout.h (ASM_STABS_OP): Here.
572 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
573 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
574 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
575 STRING_ASM_OP): Here.
576 * config/freebsd.h (IDENT_ASM_OP): Here.
577 * config/linux-aout.h (SET_ASM_OP): Here.
578 * config/linux.h (SET_ASM_OP): Here.
579 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
581 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
582 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
583 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
584 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
586 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
587 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
588 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
589 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
590 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
591 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
592 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
593 * config/a29k/udi.h (INT_ASM_OP): Here.
594 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
595 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
597 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
598 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
599 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
600 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
602 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
603 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
604 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
605 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
606 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
607 SIZE_ASM_OP, STRING_ASM_OP): Here.
608 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
609 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
610 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
611 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
612 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
613 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
615 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
616 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
617 * config/arm/coff.h (INT_ASM_OP): Here.
618 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
619 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
620 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
621 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
622 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
623 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
624 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
625 STRING_ASM_OP): Here. Update documentation copy in comments.
626 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
627 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
628 DATA_SECTION_ASM_OP): Here.
629 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
631 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
632 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
633 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
634 BSS_SECTION_ASM_OP): Here.
635 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
636 BSS_SECTION_ASM_OP): Here.
637 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
639 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
640 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
641 * config/h8300/h8300.h (ASM_WORD_OP): Here.
642 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
643 BSS_SECTION_ASM_OP): Here.
644 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
645 * config/i386/bsd.h (ASM_BYTE_OP): Here.
646 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
647 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
648 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
650 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
651 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
653 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
654 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
655 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
656 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
658 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
659 * config/i386/netbsd.h (INT_ASM_OP): Here.
660 * config/i386/openbsd.h (INT_ASM_OP): Here.
661 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
663 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
664 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
665 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
666 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
667 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
668 SHARED_BSS_SECTION_ASM_OP): Here.
669 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
670 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
671 DATA_SECTION_ASM_OP): Here.
672 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
673 CONST_SECTION_ASM_OP): Here.
674 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
675 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
676 BSS_SECTION_ASM_OP): Here.
677 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
678 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
679 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
680 BSS_ASM_OP): Here, but use trailing spaces.
681 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
682 DATA_SECTION_ASM_OP): Here.
683 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
685 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
686 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
687 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
688 TDESC_SECTION_ASM_OP): Here.
689 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
690 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
691 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
693 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
694 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
695 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
696 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
697 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
698 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
699 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
700 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
701 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
702 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
703 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
704 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
706 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
707 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
708 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
709 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
710 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
711 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
712 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
713 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
714 GLOBAL_ASM_OP): Here.
715 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
716 BSS_SECTION_ASM_OP): Here.
717 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
718 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
719 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
720 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
722 * config/m68k/newsgas.h (SET_ASM_OP): Here.
723 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
724 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
725 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
726 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
727 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
728 but use trailing spaces.
729 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
730 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
731 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
733 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
734 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
735 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
736 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
737 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
738 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
739 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
740 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
741 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
742 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
743 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
744 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
746 * config/m88k/openbsd.h (SET_ASM_OP): Here.
747 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
748 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
749 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
750 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
751 DTORS_SECTION_ASM_OP): Here.
752 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
753 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
754 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
755 BSS_SECTION_ASM_OP): Here.
756 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
757 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
758 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
759 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
760 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
761 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
762 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
763 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
765 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
767 * config/mips/osfrose.h (SET_ASM_OP): Here.
768 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
769 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
770 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
771 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
773 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
774 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
775 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
776 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
777 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
778 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
780 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
782 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
783 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
784 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
786 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
787 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
788 * config/sparc/linux.h (COMMON_ASM_OP): Here.
789 * config/sparc/linux64.h (COMMON_ASM_OP,
790 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
791 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
792 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
793 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
794 * config/sparc/pbd.h (ASM_INT_OP): Here.
795 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
796 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
797 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
798 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
799 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
800 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
801 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
802 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
803 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
804 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
805 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
806 EH_FRAME_SECTION_ASM_OP): Here.
807 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
808 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
810 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
812 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
813 TCOMMON_ASM_OP): Here.
814 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
816 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
819 2000-09-25 Richard Henderson <rth@cygnus.com>
821 * expmed.c (store_bit_field): Adjust last change to not consider
822 any word-sized field naturally aligned.
824 2000-09-24 Richard Henderson <rth@cygnus.com>
826 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
827 TFmode unordered compares properly. Revalidate integer compare
829 (alpha_emit_setcc): New.
830 (alpha_emit_conditional_move): Revalidate integer compare operands.
831 * config/alpha/alpha-protos.h: Update.
832 * config/alpha/alpha.md (cmpdi): Allow general operands.
833 (sne): Use alpha_emit_setcc.
834 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
835 (sunordered, sordered): New.
837 2000-09-24 Richard Henderson <rth@cygnus.com>
839 * config/ia64/ia64-protos.h: Update.
840 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
841 (ia64_expand_call): New.
842 (ia64_expand_prologue): Emit an alloc if we need extra input
844 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
846 (struct reg_flags): Add is_sibcall.
847 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
848 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
849 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
850 * config/ia64/ia64.h (PREDICATE_CODES): Update.
851 * config/ia64/ia64.md (call): Use ia64_expand_call.
852 (call_value): Likewise.
853 (sibcall, sibcall_value): New.
854 (call patterns): Remove extra expanders; tidy.
855 (sibcall_epilogue): New.
856 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
858 2000-09-24 Richard Henderson <rth@cygnus.com>
860 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
862 * sibcall.c (skip_pic_restore): New.
863 (identify_call_return_value): Use it.
865 2000-09-24 Mark Mitchell <mark@codesourcery.com>
867 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
868 functions. Generalize to handle both C and C++.
869 * Makefile.in (c-tree.info): New target.
870 (info): Add c-tree.info.
872 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
874 * expr.c (store_field): If BITSIZE is negative, use size of type.
875 (expand_expr, case COMPONENT_EXPR): Likewise.
877 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
879 * cpplex.c: Update TODO comment.
880 * cpplib.c (do_error, do_warning): Merge common code of
881 do_error and do_warning into do_diagnostic. Use it.
882 (do_diagnostic): New function.
883 * cpplib.h: Fix comment typo.
885 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
887 * c-common.c (check_format_info): Warn for a wide character string
888 used as a non-wide format argument.
890 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
892 * builtins.def (BUILT_IN_LLABS): Add.
893 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
894 * c-common.c (c_common_nodes_builtins): Create builtin functions
895 __builtin_llabs, and plain llabs unless no_nonansi_builtins
897 (expand_tree_builtin): Handle BUILT_IN_LLABS.
899 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
901 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
902 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
903 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
904 _cpp_free_toklist): No need to worry about extra dummy token
905 at the start of token lists any more.
906 (trigraph_ok): Only warn outside comments.
907 (skip_block_comment): Set and clear lexing_comment.
908 (skip_line_comment): Take a cpp_reader not cpp_buffer.
909 Set and clear lexing_comment.
910 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
911 (check_long_token): Delete.
912 (lex_percent, lex_dot): New subroutines of lex_token to
913 handle lexing of '.' and '%' without lookback.
914 (lex_token): Use lex_dot and lex_percent.
915 (lex_line): Don't check for LIST_OFFSET.
916 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
917 * cpplib.c (_cpp_parse_assertion): Similarly.
918 (cpp_push_buffer): Initialize extra_char.
919 * cpplib.h (LIST_OFFSET): Delete.
920 (struct cpp_buffer): New member extra_char.
921 (struct lexer_state): New members lexing_comment and seen_dot.
923 2000-09-23 Jason Merrill <jason@redhat.com>
925 * config/rs6000/x-aix41 (CLIB): Define here.
926 * config/rs6000/t-aix43: Not here.
927 * config/rs6000/t-aix41: Or here. Remove.
928 * configure.in: Don't use it.
930 2000-09-22 Jason Merrill <jason@redhat.com>
932 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
933 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
934 * config.in: Regenerate.
936 * configure.in: Fix checks for assembler features when using a
937 one-tree assembler that has not yet been built.
938 Fix --disable-threads.
940 2000-09-19 Geoff Keating <geoffk@cygnus.com>
942 * stmt.c (expand_asm_operands): Allow # in constraints.
944 2000-09-22 Jason Merrill <jason@redhat.com>
946 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
948 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
949 function-local names.
951 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
952 Mark Mitchell <mark@codesourcery.com>
954 * toplev.c (warn_disabled_optimization): Declare new warning flag.
955 * flags.h (warn_disabled_optimization): Add it here.
956 * gcse.c (gcse_main): Add warning when disabled.
957 * invoke.texi: Document -Wdisabled-optimization.
959 2000-09-21 Jason Merrill <jason@redhat.com>
961 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
963 * dwarf2out.c (tree_add_const_value_attribute): New fn.
964 (gen_variable_die): Call it for non-definitions.
966 * dwarf2out.c (die_struct): Add die_mark field.
967 (mark_dies, unmark_dies): New fns.
968 (clear_die_sizes): Remove.
969 (print_die): Check die_symbol rather than die_offset.
970 (build_abbrev_table, output_pubnames, output_aranges): Check
971 die_mark rather than die_offset.
972 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
975 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
977 * cppfiles.c (lookup_include_file): Rename to open_file.
978 Always create a splay tree value, even on syscall failures.
979 Negative entries indicated by fd == -2.
980 Re-open files closed in the meantime.
981 (_cpp_fake_include): Create a negative splay tree entry.
982 (find_include_file, cpp_read_file): Update for function name
984 * gcc.gd/cpp/mi4.c: Testcase.
986 2000-09-21 Nick Clifton <nickc@redhat.com>
988 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
991 * config/mcore/mcore.c: Fix compile time warnings.
992 * config/mcore/mcore-protos.h: Fix compile time warnings.
994 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
996 * configure.in: Correct test of gcc_cv_glibc.
997 * configure: Rebuilt.
998 * config.in: Rebuilt.
1000 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1002 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
1003 (expand_builtin): Handle BUILT_IN_FWRITE.
1005 * builtins.def (BUILT_IN_FWRITE): New entry.
1007 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
1009 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1011 * gcc.c (modify_target): New variable and struct.
1012 (process_command): Handle MODIFY_TARGET_NAME.
1013 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
1014 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
1016 * c-decl.c (finish_decl): Add else's to avoid referencing
1017 TYPE_DOMAIN of an ERROR_MARK.
1019 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
1021 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
1024 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
1026 * config/avr/avr.md (neghi2): Add alternative for input and output
1027 operands in different registers, as in negsi2.
1028 (*negsi2): Remove '*' from the name. Use "movw" if available.
1030 2000-09-19 Jim Wilson <wilson@cygnus.com>
1032 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
1033 HAVE_GAS_HIDDEN macro.
1035 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
1037 * cpplex.c (lex_line): Drop the EOF token for unknown
1038 directives in assembler.
1040 2000-09-19 David Edelsohn <edelsohn@gnu.org>
1042 * configure.in: Allow enable_threads_flag value of "aix". Define
1043 thread_file as "aix" for AIX 4.3 and above.
1044 * configure: Regenerated.
1046 * gthr-aix.h: New file.
1048 * rs6000/t-aix43: Replace soft-float multilib with pthread.
1049 Remove 403 processor multilib match. Fix rios2 processor multilib
1052 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
1053 to return to appropriate csect.
1055 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1057 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
1059 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
1060 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
1063 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
1066 * c-common.c (init_function_format_info): Handle __builtin_printf.
1067 Set `check_function_format_ptr'.
1068 (c_common_nodes_and_builtins): Set `puts_ftype' and
1069 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
1070 __builtin_printf and printf.
1072 * tree.c, tree.h (check_function_format_ptr): Declare.
1074 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
1076 * cppfiles.c (read_include_file): Take no special action for
1079 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
1081 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
1082 rather than that of branch.
1083 (shorten_branches): Don't increment insn_current_address twice.
1085 Undo most of the Wed Jan 27 23:39:53 1999 patch:
1086 * loop.h (struct induction): Delete members derived, ix and last_use.
1087 (struct loop_ivs): Delete members first_increment_giv and
1089 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
1090 recombine_givs): Delete functions.
1091 (find_and_verify_loops): Don't initialize cont_dominator.
1092 (strength_reduce): Lose code to try to find bivs that can be
1093 expressed as givs of another biv, and to convert biv increments
1095 Lose loop_scan_start variable, always use loop->scan_start.
1096 Don't call recombine_givs. Don't handle derived givs.
1097 (record_giv): Don't initialize derived and last_use fields.
1098 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
1100 * unroll.c (derived_regs): Delete static variable.
1101 (unroll_loop): Don't initialize it.
1102 (copy_loop_body): Lose code to handle derived givs.
1103 (find_splittable_givs): Don't check for givs made from biv
1105 Don't set derived_regs.
1107 Fix misapplied earlier patch:
1108 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
1110 (floatsisf2): Generate floatsisf_ie by default.
1111 (floatsisf_i4): Conditional on TARGET_SH4.
1113 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
1114 predicate for the expanders.
1116 2000-09-19 Richard Henderson <rth@cygnus.com>
1118 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
1119 in addition to pentium and pentiumpro symbols.
1120 (CPP_CPU_DEFAULT_SPEC): Likewise.
1122 * c-typeck.c (c_expand_asm_operands): Restore the output tree
1125 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
1126 if the tree has side effects.
1127 (warn_if_unused_value): Do not warn about void constructs.
1129 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
1131 * unroll.c (copy_loop_body): Update LABEL_NUSES before
1132 calling invert_jump.
1134 2000-09-18 Geoff Keating <geoffk@cygnus.com>
1136 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
1139 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1141 * Makefile.in (c-common.o): Depend on diagnostic.h.
1143 * c-common.c: Include diagnostic.h.
1145 (status_warning): New function.
1146 (check_format_info, maybe_read_dollar_number, check_format_types,
1147 finish_dollar_format_checking, check_function_format): Accept a
1148 `status' parameter. All callers changed.
1150 * c-common.h (check_function_format): Accept a `status' parameter.
1152 * c-typeck.c: Update call to `check_function_format'.
1154 2000-09-18 Richard Henderson <rth@cygnus.com>
1156 * c-decl.c (c_expand_body): Call mark_varargs before
1157 expand_function_start.
1159 2000-09-18 Geoff Keating <geoffk@cygnus.com>
1161 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
1162 * config/rs6000/eabi-ci.asm: Likewise.
1164 2000-09-18 Richard Henderson <rth@cygnus.com>
1166 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
1169 2000-09-18 Jim Wilson <wilson@cygnus.com>
1171 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
1172 before passing it to fold_rtx_mult_add.
1174 * unroll.c (final_giv_value): Pass increment through
1175 extend_value_for_giv before passing it to emit_iv_add_mult.
1177 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
1178 paradoxical subreg, then directly substitute the replacement and
1181 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
1183 * cpp.texi: Update documentation, including some clarifications,
1184 the treatment of various newline combinations, and space between
1185 backslash and newline.
1187 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
1189 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
1190 Replace ASM_OUTPUT_LABELREF with assemble_name.
1192 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
1194 * sh.c (addsubcosts): CONST is not cheap.
1195 (find_barrier): For Sh1, take alignment after jumps into account.
1197 2000-09-15 Andrew Haley <aph@redhat.com>
1199 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
1200 remove all SETs of SUBREGs of hard registers.
1201 * function.c (purge_hard_subreg_sets): New function.
1202 (purge_single_hard_subreg_set): New function.
1203 * rtl.h: (purge_hard_subreg_sets): New function.
1205 2000-09-18 Richard Henderson <rth@cygnus.com>
1207 * config/ia64/ia64-protos.h: Update.
1208 * config/ia64/ia64.c (signed_inequality_operator): New.
1209 (ia64_expand_compare): New.
1210 (ia64_register_move_cost): Handle PR_REGS moves.
1211 (ia64_secondary_reload_class): Require a GR when moving to a PR.
1212 (struct reg_write_state): Add written_by_and/or.
1213 (struct reg_flags): Add is_and/or.
1214 (rws_update): Set them.
1215 (rws_access_regno): Test them to allow parallel comparisons.
1216 (rtx_needs_barrier): Recognize parallel comparisons.
1217 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
1218 Call recog_memoized; ignore pred_rel_mutex.
1219 (emit_predicate_relation_info): Don't call find_basic_blocks here.
1220 (ia64_reorg): Do it here instead.
1221 * config/ia64/ia64.h: s/CCmode/BImode/g
1222 (MODES_TIEABLE_P): Don't tie BImode.
1223 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
1224 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
1225 (RTX_COSTS): Make multiply 4 insns.
1226 (MEMORY_MOVE_COST): New.
1227 (PREDICATE_CODES): Update.
1228 * config/ia64/ia64.md: s/CCmode/BImode/g
1229 (movcci, movbi): New.
1230 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
1231 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
1232 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
1233 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
1234 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
1235 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
1236 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
1237 (mulsi, muldi): Use xmpy not xma.
1239 (movcc, movcc_internal): Remove.
1240 (branch expanders): Use ia64_expand_compare.
1241 (setcc expanders): Likewise.
1242 (cmov insns): Use move_operand and ia64_move_ok.
1243 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
1244 scheduler from moving it past a use.
1245 * config/ia64/build.hacks: Remove.
1247 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
1249 * cpphash.h (HASHSTEP): Take character rather than pointer
1251 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
1253 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
1255 * cpplex.c (auto_expand_name_space, trigraph_replace,
1256 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
1257 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
1258 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
1259 KNOWN_DIRECTIVE): Delete.
1261 (handle_newline, check_long_token, skip_escaped_newlines,
1262 unterminated): New functions.
1263 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
1265 (parse_identifier): Was parse_name, new implementation.
1266 (skip_line_comment, skip_block_comment, skip_whitespace,
1267 parse_number, parse_string, trigraph_ok, save_comment,
1268 adjust_column, _cpp_get_line): New implementations.
1270 (lex_token): New function. Lexes a token at a time, looking
1271 forwards. Contains most of the guts of the old lex_line.
1272 (lex_line): New implementation, using lex_token to obtain
1274 (cpp_scan_buffer): Use the token's line, not the list's line.
1276 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
1277 New implementations.
1278 (do_assert): Don't bother setting the answer's list's line.
1279 (cpp_push_buffer): Initialise new pfile and read_ahead members
1280 of struct cpp_buffer.
1282 * cpplib.h (cppchar_t): New typedef.
1283 (struct cpp_buffer): read_ahead, pfile and col_adjust are
1285 (struct lexer_state): New structure that determines the state
1286 and behaviour of the lexer.
1287 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
1288 (struct cpp_reader): New member "state". Rename
1289 multiline_string_line and multiline_string_column. Delete
1290 col_adjust, in_lex_line members.
1291 (CPP_BUF_COLUMN): Update.
1293 2000-09-18 Richard Henderson <rth@cygnus.com>
1295 * combine.c (simplify_comparison): Shift a NOT out of a single
1298 * combine.c (if_then_else_cond): Canonicalize BImode true to
1300 * explow.c (trunc_int_for_mode): Likewise.
1302 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
1303 the NOT for De Morgan's rule.
1304 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
1305 of a comparison to the reverse comparison.
1307 * combine.c (try_combine): Allow split to create a single insn.
1309 * machmode.def: Add BImode. Add a column for bitsize.
1310 * machmode.h (DEF_MACHMODE): Adjust for extra column.
1311 (GET_MODE_BITSIZE): Use it.
1312 * rtl.c (DEF_MACHMODE): Adjust for extra column.
1313 (mode_bitsize): New.
1314 (mode_mask_array): Use bitsize.
1315 * combine.c (combine_simplify_rtx): Require inner and outer
1316 modes to match on nonzero_bits optimizations.
1318 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
1320 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
1321 its entry in spill_reg_store.
1322 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
1323 * sh.c (reg_no_subreg_operand): New function.
1324 * sh-protos.h (reg_no_subreg_operand): Declare it.
1325 * sh.h (PREDICATE_CODES): Add it.
1326 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
1327 input operand that needs to be in fpul.
1328 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
1329 * sh.c (find_barrier): Take into account that machine_dependent_reorg
1330 might add new insns.
1332 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
1334 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
1336 (sh_expand_epilogue): Take the PIC register into account when
1337 computing the frame size.
1339 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
1340 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
1341 LABEL_REFs with a PIC-safe unspec.
1343 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
1345 * c-common.c (check_format_info): Properly save the argument
1346 number and parameter for $ operand number formats in case width
1347 and precision arguments are also used. Allow printf width and
1348 precision arguments to have operand numbers even if none was
1349 specified for the main format, since this is OK for %*.*m. Only
1350 object to missing $ operand number if the format used requires an
1353 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
1355 * c-common.c (format_char_info): Add 'W' flag to comment.
1356 (print_char_table, scan_char_table): Use it.
1357 (check_format_info): Use the 'W' flag to determine whether a
1358 format argument is written into.
1360 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
1362 * c-common.c (check_format_types): Reorganise and clean up,
1363 checking earlier for ERROR_MARKs and making cur_type into its
1364 TYPE_MAIN_VARIANT where convenient.
1366 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
1368 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
1370 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
1372 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
1374 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
1375 * i386.c (struct builtin_description): New.
1376 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
1377 (mmx_reg_operand): Declare MODE arg as unused.
1378 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
1379 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
1380 ix86_expand_binop_builtin, ix86_expand_store_builtin,
1381 ix86_init_builtins, ix86_expand_builtin): New functions.
1382 * i386.h (ix86_builtins): New enumeration.
1383 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
1384 * i386.md (attr length_immediate): 0 for mmx/sse types.
1385 (attr prefix_0f): 1 for mmx/sse types.
1386 (setcc_2): Remove "*" so we get gen_setcc_2.
1387 (emms): Account for changed register numbering. Set "memory" attr
1389 (sfence): Set "memory" attr to unknown.
1391 2000-09-18 Andreas Jaeger <aj@suse.de>
1393 * configure.in: Define _GNU_SOURCE only when using the GNU C
1395 * configure: Regenerated.
1396 * config.in: Regenerated.
1398 2000-09-17 Mark Mitchell <mark@codesourcery.com>
1400 * cppinit.c (cpp_init): Don't use ANSI prototypes.
1401 * flow.c (flow_dump_loop): Likewise.
1402 (flow_loops_dump): Likewise.
1404 * c-typeck.c (c_start_case): Fix typo.
1406 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
1408 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
1409 to int for plain complex which defaults to complex double. Do
1410 warn about defaulting to complex double if pedantic. Warn about
1411 complex integer types if pedantic. Warn about complex types if
1412 pedantic and not in C99 mode.
1413 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
1414 for complex conjugation.
1416 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
1418 * contrib.texi: Update my entry.
1420 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
1422 * config/avr/avr.md (mcu_enhanced): New attribute.
1423 (mcu_mega): Likewise.
1424 (extendhisi2): Use mcu_enhanced.
1425 (zero_extendhisi2): Likewise.
1426 (call_insn): Use mcu_enhanced and mcu_mega.
1427 (call_value_insn): Likewise.
1428 (*sbrx_branch): Use mcu_mega.
1429 (*sbrx_and_branchsi): Likewise.
1430 (*sbrx_and_branchhi): Likewise.
1431 (*tablejump_lib): Likewise.
1433 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1435 * alias.c (true_dependence): Allow non-unchanging read to conflict
1436 with unchanging write.
1438 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
1439 (store_constructor): Pass alias_set to it.
1441 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
1442 TYPE_MAIN_VARIANT of ERROR_MARK.
1443 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
1445 * simplify-rtx.c (simplify_unary_operation): Add cases
1446 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
1448 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
1450 * expr.h (emit_library_call, emit_library_call_value): Delete
1452 * rtl.h (enum libcall_type): New.
1453 (emit_library_call, emit_library_call_value): Change fn_type arg to
1454 be of type enum libcall_type.
1455 * calls.c: Likewise for the function definitions. Several callers
1456 throughout changed to use the new enumeration appropriately.
1457 (emit_library_call_value_1): Likewise. Put back code to make libcall
1458 blocks of equal form, but only use it for the two new higher
1461 2000-09-16 Mark Mitchell <mark@codesourcery.com>
1463 Convert the C front-end to use function-at-a-time mode.
1464 * c-common.h: Include splay-tree.h.
1465 (C_DECLARED_LABEL_FLAG): New macro.
1466 (struct language_function): Add x_scope_stmt_stack and
1467 x_function_name_declared_p.
1468 (RECHAIN_STMTS): Move definition.
1469 (lang_statment_code_p): Likewise.
1470 (lang_expand_stmt): Likewise.
1471 (lang_expand_decl_stmt): New variable.
1472 (lang_expand_function_end): Likewise.
1473 (current_scope_stmt_stack): New function.
1474 (add_decl_stmt): Likewise.
1475 (add_scope_stmt): Likewise.
1476 (mark_stmt_tree): Likewise.
1477 (struct c_lang_decl): New structure.
1478 (DECL_SAVED_TREE): Define.
1479 (c_mark_lang_decl): New function.
1480 (c_expand_start_cond): Change prototype.
1481 (c_finish_then): New function.
1482 (c_finish_else): Likewise.
1483 (current_function_name_declared): Remove.
1484 (set_current_function_name_declared): Likewise.
1485 (mark_c_language_function): Declare.
1486 (case_compare): Likewise.
1487 (c_add_case_label): Likewise.
1488 (c_expand_expr): Likewise.
1489 (c_safe_from_p): Likewise.
1490 * c-common.c (lang_expand_function_end): New variable.
1491 (struct if_elt): Add if_stmt.
1492 (c_expand_start_cond): Add the if-statement to the statement-tree,
1493 rather than generating RTL.
1494 (c_finish_then): New function.
1495 (c_expand_start_else): Don't generate RTL.
1496 (c_finish_else): New function.
1497 (c_expand_expr_stmt): Don't generate RTL.
1498 (statement_code_p): Add SCOPE_STMT.
1499 (case_compare): New function.
1500 (c_add_case_label): Likewise.
1501 (mark_stmt_tree): Likewise.
1502 (c_mark_lang_decl): Likewise.
1503 (mark_c_language_function): Likewise.
1504 (c_expand_expr): Likewise.
1505 (c_safe_from_p): Likewise.
1506 * c-decl.c (c_stmt_tree): New variable
1507 (c_scope_stmt_stack): Likewise.
1508 (c_function_name_declared_p): Likewise.
1509 (lang_expand_expr_stmt): Remove.
1510 (poplevel): Don't call output_inline_function for nested
1512 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
1514 (redeclaration_error_message): Change means of computing whether
1515 or not a function is nested.
1516 (lookup_label): Don't call label_rtx.
1517 (init_decl_processing): Add more GC roots.
1518 (start_decl): Add DECL_STMTs to the statement-tree, rather than
1519 calling rest_of_decl_compilation.
1520 (finish_decl): Don't call expand_decl.
1521 (store_parm_decls): Begin the statement-tree, but don't generate
1523 (finish_function): Tie off the statement-tree. Call c_expand_body
1525 (c_expand_body): New function.
1526 (push_c_function_context): Save more information.
1527 (pop_c_function_contxt): Likewise.
1528 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
1529 (lang_mark_tree): Mark it.
1530 (current_stmt_tree): Adjust.
1531 (current_scope_stmt_stack): New function.
1533 (set_current_name_declared): Likewise.
1534 (c_begin_compound_stmt): Define.
1535 (c_expand_decl_stmt): Likewise.
1536 * c-lang.c: Include rtl.h and expr.h.
1537 (lang_init): Set more language-specific hooks.
1538 * c-lex.c: Include expr.h.
1539 * c-parse.in: Changes throughout to add statements to the
1540 statement-tree, rather than generating RTL after every statement.
1541 * c-semantics.c (lang_expand_decl_stmt): Define.
1542 (add_decl_stmt): New function.
1543 (add_scope_stmt): Likewise.
1544 (finish_stmt_tree): Tweak.
1545 (genrtl_expr_stmt): Likewise.
1546 (genrtl_decl_stmt): Handle local labels, and call
1547 lang_expand_decl_stmt if required.
1548 (genrtl_for_stmt): Fix line-number handling.
1549 (genrtl_case_label): Handle cleanups.
1550 (genrtl_asm_stmt): Don't call combine_strings.
1551 (genrtl_compound_stmt): Simplify.
1552 (expand_stmt): Handle SCOPE_STMTs.
1553 * c-tree.h (struct lang_decl): New structure.
1554 (C_DECLARED_LABEL_FLAG): Remove.
1555 (c_begin_compound_stmt): Declare.
1556 (c_expand_decl_stmt): Likewise.
1557 (c_expand_start_case): Rename to c_start_case.
1558 (c_finish_case): New function.
1559 * c-typeck.c (start_init): Tweak setting of
1560 constructor_incremental.
1561 (c_expand_asm_operands): Tweak error-handling. Add to the
1563 (c_expand_return): Add to the statement-tree.
1564 (c_expand_start_case): Rename to ...
1565 (c_start_case): ... this.
1566 (struct c_switch): New type.
1567 (switch_stack): New variable.
1568 (do_case): Simplify.
1569 (c_finish_case): New function.
1570 * dependence.c: Include expr.h.
1571 (enum dependence_type): Change spelling of enumerals.
1572 (check_node_dependence): Adjust.
1573 * expr.h (lang_safe_from_p): Declare.
1574 (safe_from_p): Likewise.
1575 * expr.c (lang_safe_from_p): New variable.
1576 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
1577 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
1578 * toplev.c (rest_of_decl_compilation): Robustify.
1579 * tree.c (contains_placeholder_p): Likewise.
1580 * Makefile.in: Update dependencies.
1581 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
1582 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
1583 (objc_expand_function_end): New function.
1584 (finish_method_def): Use it.
1585 (init_objc): Initialize more language-specific hooks.
1586 * objc/Make-lang.in: Update dependencies.
1588 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
1590 * configure.in: Define macros that affect features before
1591 testing for features. Don't define _XOPEN_SOURCE.
1592 * configure: Regenerated.
1593 * config.in: Regenerated.
1595 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
1597 * rtlanal.c (rtx_varies_p): Volatile asms vary.
1598 (rtx_unstable_p): Restructure code. Volatile asms
1601 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1603 * function.h (no_debugging_symbols): New field.
1604 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
1605 Initialize no_debugging_symbols.
1606 (output_inline_function): Save and restore write_symbols and set from
1607 no_debugging_symbols.
1608 * toplev.c (rest_of_compilation): Call save_for_inline.
1609 * tree.h: Update comment.
1611 * stor-layout.c (place_field): Don't do anything if field or
1612 its type are ERROR_MARK.
1614 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
1616 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
1617 (read_include_file): Ensure inc->mmaped is initialized.
1619 2000-09-16 Richard Henderson <rth@cygnus.com>
1621 * cppiles.c (purge_cache): Use PTR not caddr_t.
1623 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
1625 * gcc.c: In description for %{<S}, say the option removed is -S.
1626 * invoke.texi (Spec Files): Ditto.
1628 2000-09-16 Andreas Jaeger <aj@suse.de>
1630 * configure.in: Always define _GNU_SOURCE to make interfaces
1631 visible that were hidden by only defining _GNU_SOURCE.
1632 * configure: Regenerated.
1634 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
1636 * cpplex.c (push_macro_context): Set an argument's level after
1637 calling parse_args. We could loop infinitely otherwise.
1639 2000-09-15 Tom Tromey <tromey@cygnus.com>
1641 * configure, config.in: Rebuilt.
1642 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
1644 2000-09-15 Greg McGary <greg@mcgary.org>
1646 * cppmacro.c (check_trad_stringification): Check token
1647 text pointers against limit before dereferencing.
1649 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
1651 * c-common.c (format_wanted_type): New structure.
1652 (check_format_types): New function.
1653 (check_format_info): Pass all checking of types of format
1654 arguments, including width and precision arguments, to this new
1657 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1659 * BUGS: Remove file.
1661 2000-09-15 Jakub Jelinek <jakub@redhat.com>
1663 * config/alpha/alpha.c (override_options): ev6 cache latencies
1664 from Richard Henderson. Don't allow -mmemory-latency=L0.
1666 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
1667 (TARGET_OPTIONS): Add tune=.
1668 (alpha_tune_string): Declare.
1669 * config/alpha/alpha.c (override_options): Add cpu_table.
1670 Use alpha_cpu_string first to set both alpha_cpu and target_flags
1671 and then alpha_tune_string to set alpha_cpu only.
1672 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
1673 * config/alpha/elf.h (ASM_FILE_START): Likewise.
1674 * config/alpha/osf.h (ASM_FILE_START): Likewise.
1675 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
1677 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
1679 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
1681 (ix86_comparison_operator, ix86_cc_mode): Declare
1682 * i386.h (CCGC, CCGCO): New modes.
1683 (SELECT_CC_MODE): Move offline to ....
1684 * i386.c (ix86_cc_mode): .... here; use new modes.
1685 (ix86_comparison_operator): New.
1686 (fcmov_comparison_operator): Ensure proper mode.
1687 (put_condition_mode): More sanity checking.
1688 (ix86_match_ccmode): Handle new modes.
1689 (ix86_expand_fp_compare): GEU requires CCmode.
1690 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
1692 * i386.md (cmp?i_ccz_1): Remove
1693 (cmp?i_ccno_1): Use ix86_match_ccmode.
1694 (cmp?i_minus_1): New.
1695 (cmpsi_1): New expander.
1696 (cmpqi_ext_1): Use match_ccmode
1697 (cmpqi_ext_3): New expander.
1698 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
1699 (cmpqi_ext_4): Use match_ccmode.
1700 (add?i_?): Use match_ccmode.
1702 (test?i_ccz_1): Remove
1704 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
1705 (testqi_ext_0): Use ix86_match_ccmode.
1706 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
1707 (xorqi_cc_ext_1): New expander.
1708 (shift patterns): Use CCGOCmode for all shifts except for sar.
1709 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
1710 (setcc_3, jcc_3, miv?icc_c): Remove.
1712 2000-09-15 Will Cohen <wcohen@redhat.com>
1714 * dwarf2out.c (add_const_value_attribute): Changed array into a
1715 xmalloced object, so it exists after function exit.
1716 (free_AT): Added case for dw_val_class_float to free allocated
1719 2000-09-15 Kazu Hirata <kazu@hxi.com>
1721 * config/i386/i386.md: Fix a comment typo.
1722 * gcc.c: Fix formatting.
1724 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
1726 * optabs.c (emit_libcall_block): If target is a user variable,
1727 copy to a temporary first.
1728 * expr.c (convert_move): When generating a libcall, make a libcall
1730 * calls.c (emit_library_call_value_1): Don't create a libcall
1731 sequence here; our caller will in most cases do it.
1733 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
1735 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
1736 * sh.md (reload_outsf): Generate recognizable patterns for
1738 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
1739 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
1740 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
1741 truncdfsf2_i4): Change not to use explicit references to fpul.
1742 (floatsisf2_ie): Remove USE of fpscr.
1743 (floatsisf2): Change default expansion to match this.
1744 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
1747 2000-09-15 Richard Henderson <rth@cygnus.com>
1749 * expmed.c (store_bit_field): Consider naturally aligned
1750 memory for direct reference.
1752 2000-09-15 Richard Henderson <rth@cygnus.com>
1754 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
1755 AND addresses into alias set 0.
1756 (alpha_expand_unaligned_store): Likewise.
1757 (alpha_expand_unaligned_load_words): Likewise.
1758 (alpha_expand_unaligned_store_words): Likewise.
1760 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
1762 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
1763 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
1765 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
1766 rsize of UNITS_PER_WORD.
1768 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
1770 * cpplex.c (ON_REST_ARG): Correct the test.
1771 (maybe_paste_with_next): Duplicate a token that fail pasting,
1772 and clear its PASTE_LEFT flag, so that nested pasting attempts
1775 2000-09-14 Richard Henderson <rth@cygnus.com>
1777 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
1778 * cse.c (rtx_cost): Likewise.
1779 * optabls.c (expand_binop): Likewise.
1780 (expand_twoval_binop, prepare_cmp_insn): Likewise.
1781 * regclass.c (copy_cost): Likewise.
1782 * reload1.c (reload_cse_move2add): Likewise.
1784 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
1786 * c-parse.in (reswords): Add _Complex.
1788 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1790 * gcc.1: Delete documentation for -undef preprocessor option.
1792 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
1794 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
1795 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
1796 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
1797 Remove undefine before config/elfos.h.
1798 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
1800 2000-09-14 Kazu Hirata <kazu@hxi.com>
1802 * invoke.texi (H8/300 Options): Add -ms2600.
1803 * config/h8300.c (h8300_init_once): Output an error when -ms2600
1804 is used without -ms.
1805 * config/h8300.h (TARGET_MAC): New.
1806 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
1807 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
1808 machine other than H8/S2600.
1809 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
1812 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
1814 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
1815 pseudos that refer to the original pseudos, not only to their
1816 equivalent memory locations.
1818 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1820 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
1821 when making new MEM.
1823 * Makefile.in (LN): Remove duplicate definition.
1825 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
1827 From Joern Rennecke:
1828 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
1829 on an insn and function_invariant_p returns nonzero for the source,
1830 add a REG_EQUAL note.
1832 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
1834 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
1835 conflict with frame_pointer_rtx.
1837 2000-09-13 Kazu Hirata <kazu@hxi.com>
1839 * loop.c: Fix formatting.
1842 2000-09-13 Richard Henderson <rth@cygnus.com>
1844 * config/ia64/ia64.md (divsf3): New.
1845 (divsf3_internal_lat, divsf3_internal_thr): New.
1846 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
1847 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
1848 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
1849 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
1850 (nmadddf4_alts, nmadddf4_trunc): New.
1851 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
1852 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
1853 (multf3_truncsf_alts, multf3_truncdf_alts): New.
1854 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
1855 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
1856 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
1857 (nmaddtf4_truncdf_alts): New.
1858 (recip_approx): Don't predicate.
1860 2000-09-13 Richard Henderson <rth@cygnus.com>
1862 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
1864 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1866 * flags.h (flag_dump_rtl_in_asm): Declare.
1867 * toplev.c (flag_dump_rtl_in_asm): Define.
1868 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
1869 if -dP is specified.
1870 * rtl.h (print_rtx_head): Declare.
1871 * print-rtl.c (print_rtx_head): Define.
1872 (print_rtx): Print the string pointed to by print_rtx_head
1873 at beginning of each dump line.
1874 (print_rtl): Likewise.
1875 (print_rtl_single): Likewise.
1876 * final.c (final_scan_insn): Dump the insn in the assembly
1878 * gcc.1: Document -dP option.
1879 * invoke.texi (Debugging Options): Likewise.
1881 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1883 * md.texi (Machine Constraints): Document the 68HC11 constraints.
1884 * install.texi (Configurations): Document the 68HC11&68HC12 port.
1885 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
1887 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
1889 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
1890 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
1891 (*clrstrqi): Likewise.
1892 (xorhi3,xorsi3,absqi2): Likewise.
1893 (one_cmplhi2,one_cmplsi2): Likewise.
1894 (addsi3): Two stupid constraint alternatives removed.
1895 (extendhisi2): Use `movw' for enhanced avr cores.
1896 (zero_extendhisi2): Likewise.
1898 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
1900 * alias.c (find_base_term): Use frame_pointer_rtx
1901 when handling an ADDRESSOF.
1903 * cse.c (canon_hash): Handle USE of BLKmode memory.
1904 (cse_insn): Outgoing arguments for a libcall don't
1905 affect any recorded expressions.
1907 2000-09-12 Tom Tromey <tromey@cygnus.com>
1909 * configure, config.in: Rebuilt.
1910 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
1912 2000-09-12 Jakub Jelinek <jakub@redhat.com>
1914 * c-lex.c (lex_string): Use charwidth to compute bytemask.
1915 * expr.c (expand_expr): Don't optimize constant array references
1916 initialized with wide string constants.
1918 2000-09-13 Michael Hayes <mhayes@cygnus.com>
1920 * loop.c (note_set_pseudo_multiple_uses): Correct.
1922 2000-09-12 Jim Wilson <wilson@cygnus.com>
1924 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
1925 else block, and X has side-effects, then fail.
1927 2000-09-12 Greg McGary <greg@mcgary.org>
1929 * config/mips/mips-protos.h
1930 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
1931 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
1932 (PREDICATE_CODES): Add "trap_cmp_op".
1933 * config/mips/mips.c
1934 (trap_cmp_op, mips_gen_conditional_trap): New functions.
1935 * config/mips/mips.md (trap, conditional_trap): New patterns.
1937 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
1939 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
1942 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1944 * builtins.c (built_in_decls): New array.
1945 (expand_builtin_fputs): New function.
1946 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
1948 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
1950 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
1952 * tree.h (built_in_decls): New array.
1954 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
1956 * convex.md: Use "+" instead of "=" for outputs wrapped in a
1958 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
1960 2000-09-12 Kazu Hirata <kazu@hxi.com>
1962 * haifa-sched.c: Fix formatting.
1964 * genattrtab.c: Fix formatting.
1966 * unroll.c: Fix formatting.
1968 2000-09-12 Bruce Korb <bkorb@gnu.org>
1970 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
1971 remove obsolete code
1972 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
1973 * fixinc/fixincl.tpl: make non-exported arrays static scope
1974 * fixinc/fixincl.x: regenerate
1975 * fixinc/fixlib.h: Use PARAMS, not _P_
1976 * fixinc/fixtests.c: make a type for the test proc & use it
1977 * fixinc/server.h: Use PARAMS, not _P_
1979 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1981 * c-typeck.c (process_init_element): Avoid union init warnings on
1982 floating point zero. Don't crash on unions containing structs.
1984 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
1986 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
1987 general_movsrc_operand, and remove CONST_INT from
1988 general_movdst_operand.
1990 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
1992 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
1993 if a reference to non-fixed hardreg is seen. Otherwise, count hard
1994 regs with a higher cost.
1995 (preferrable): Deal with cases where either cost or regcost is
1997 (cse_insn): Use MAX_COST rather than 10000. Always initialize
1999 (COSTS_N_INSNS): Move definition...
2001 (MAX_COST): New macro.
2002 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
2005 2000-09-11 Mark Mitchell <mark@codesourcery.com>
2007 * c-common.h (genrtl_clear_out_block): Remove.
2008 * c-semantics.c (genrtl_clear_out_block): Remove.
2009 (genrtl_while_stmt): Don't call it.
2010 (genrtl_for_stmt): Likewise.
2012 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
2014 * cppfiles.c: Move all default-#defines to top of file.
2015 (open_include_file): Replace by lookup_include_file.
2016 (read_with_read, read_file): Merged into read_include_file.
2017 (stack_include_file, purge_cache): New functions.
2018 (close_cached_fd): Delete.
2019 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
2020 Cache the in-memory buffer, not the file descriptor.
2022 * cpphash.h (struct include_file): Add buffer, st, refcnt,
2024 (xcnew): New utility macro.
2025 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
2026 * cpplib.h (struct cpp_buffer): Remove mapped field.
2028 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
2030 * cpplex.c (parse_string): Accept backslash space newline as a
2032 (lex_line): Likewise.
2033 (_cpp_get_token): Remove hard limit on macro nesting.
2035 2000-09-12 Philipp Thomas <pthomas@suse.de>
2037 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
2038 * configure: Rebuilt.
2040 2000-09-13 Michael Hayes <mhayes@cygnus.com>
2042 * flow.c (split_block): Fix update of registers live at
2045 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
2047 * i386.md (add?i_3, add?i_5): New.
2048 (add?i_4): Rename from add?i_3; Fix compare pattern.
2049 (sub?i_3, xor?i_3, ior?i_3): New.
2051 * genrecog.c (write_tree): Output code to clear insn_extract cache.
2052 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
2053 instead of extract_insn and extract_constrain_insn_cache instead of
2054 extract_insn and constrain_operands.
2055 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
2057 (extract_insn): Clear which_alternative.
2058 (constrain_operands): Set which_alternative to -1 when failed.
2059 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
2062 2000-09-11 Matthew Hiller <hiller@redhat.com>
2064 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
2065 on operand 0 to '+'.
2066 (movstricthi): Likewise.
2068 2000-09-12 Michael Hayes <mhayes@cygnus.com>
2070 * loop.h (LOOP_IVS): New macro.
2071 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
2072 (struct loop_ivs): New.
2073 (struct loop_info): Add ivs field.
2074 (reg_iv_type, reg_iv_info): Delete prototype.
2075 (reg_biv_class, loop_iv_list): Likewise.
2076 * loop.c (record_biv, find_life_end): Pass loop argument.
2077 (reg_iv_type): Remove global array and use
2078 field in loop_regs structure within loop_ivs structure.
2079 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
2080 (first_increment_giv, last_increment_giv): Use entry in
2082 (record_initial): Pass ivs pointer.
2083 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
2085 2000-09-12 Michael Hayes <mhayes@cygnus.com>
2087 * loop.h (LOOP_REGS): New macro.
2088 (struct loop_regs): New.
2089 (struct loop_info): Add regs field.
2090 * loop.c (set_in_loop): Remove global array and store
2091 in loop_regs structure as part of loop_info structure.
2092 (n_times_set, may_not_optimize): Likewise.
2093 (reg_single_usage, moved_once): Likewise.
2094 (count_one_set): Add regs argument.
2095 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
2096 (set_pseudo_multiple_uses): Pass regs pointer.
2098 2000-09-12 Michael Hayes <mhayes@cygnus.com>
2100 * unroll.c (iteration_info): Subsume into loop_iterations.
2101 * loop.h (loop_info): New field iv.
2103 2000-09-12 Michael Hayes <mhayes@cygnus.com>
2105 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
2106 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
2107 (flow_loops_update): New prototype.
2108 (flow_loops_find): Add flags to prototype.
2109 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
2110 * flow.c (flow_loop_pre_header_scan): New.
2111 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
2112 (flow_loop_free): Free pre-header root and trace and exit dominators.
2113 (flow_loops_find): New argument flags.
2114 (flow_loops_update): New function.
2115 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
2117 2000-09-12 Michael Hayes <mhayes@cygnus.com>
2119 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
2120 * flow.c (split_block, update_bb_for_insn): New functions.
2122 2000-09-11 Richard Henderson <rth@cygnus.com>
2124 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
2126 2000-09-11 Richard Henderson <rth@cygnus.com>
2128 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
2129 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
2130 (ia64_override_options): Prevent optimizing division for both
2131 latency and throughput.
2132 (rtx_needs_barrier): Handle frcpa.
2133 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
2134 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
2135 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
2136 (TARGET_SWITCHES): Add -minline-divide-min-latency and
2137 -minline-divide-max-throughput.
2138 (PREDICATE_CODES): Update.
2139 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
2140 (zero_extendsidi2): Likewise. Fix typo in f case insn.
2141 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
2142 (extendsftf2): Likewise.
2143 (extenddftf2): Likewise.
2144 (fix_trunctfdi2_alts): New.
2145 (fixuns_trunctfdi2_alts): New.
2146 (madd*4): Rename from madd*3.
2147 (divsi3, modsi3, udivsi3, umodsi3): New.
2148 (divsi3_internal): New.
2149 (divdi3, moddi3, udivdi3, umoddi3): New.
2150 (divdi3_internal_lat, divdi3_internal_thr): New.
2151 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
2152 (recip_approx): New.
2154 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
2156 * print-rtl.c (debug_call_placeholder_verbose): New variable.
2157 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
2159 * integrate.c (copy_rtx_and_substitute): Don't share
2160 LEAF_REG_REMAPpable registers with the inlined function. Don't
2161 share the function value with calling sequences.
2163 2000-09-11 Jakub Jelinek <jakub@redhat.com>
2165 * c-decl.c (do_case): Fix a typo.
2167 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
2168 to a if the comparison is floating mode and not -ffast-math.
2169 * simplify-rtx.c (simplify_ternary_operation): Likewise.
2171 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
2173 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
2174 gen_ic_invalidate_line.
2176 2000-09-11 Philip Blundell <pb@futuretv.com>
2178 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
2180 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
2182 * install.texi (LANGUAGES): Update to include new languages.
2185 2000-09-11 DJ Delorie <dj@redhat.com>
2187 * gcc.c (main): Don't warn about unused -B prefixes
2188 (unused_prefix_warnings): remove
2190 2000-09-11 Kazu Hirata <kazu@hxi.com>
2192 * final.c: Fix formatting.
2194 * integrate.c: Fix formatting.
2196 2000-09-11 Geoff Keating <geoffk@cygnus.com>
2198 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
2200 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
2202 * reload.c (regno_clobbered_p): Fix thinko in previous change.
2204 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2206 * gcc.1: Document 68hc11 specific options.
2208 2000-09-10 Geoff Keating <geoffk@cygnus.com>
2210 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
2211 (TARGET_LONG_DOUBLE_128): Define.
2212 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
2213 (LONG_DOUBLE_TYPE_SIZE): Redefine.
2214 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
2215 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
2216 of __LONG_DOUBLE_128__.
2217 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
2219 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
2220 (CPP_SYSV_DEFAULT_SPEC): Define.
2221 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
2222 (INIT_TARGET_OPTABS): Define.
2224 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
2225 (RS6000_UITRUNC): Likewise.
2226 (INIT_TARGET_OPTABS): New macro.
2227 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
2228 (trunc_defined): Delete.
2229 (output_prolog): Don't output .extern definitions for fp->int
2230 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
2231 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
2232 (trunc_defined): Delete.
2233 (RS6000_ITRUNC): Moved to aix.h.
2234 (RS6000_UITRUNC): Likewise.
2235 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
2236 only emit a libcall.
2237 (fixuns_truncdfsi2): Delete.
2238 (trunc_call): Delete.
2239 (trunc_call_rtl): Delete.
2241 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
2243 * varasm.c (make_decl_rtl): Restore leading star on
2244 DECL_ASSEMBLER_NAME set for decls with an asmspec.
2246 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
2248 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
2249 won't give a spurious error for '#pragma pack()'. Simplify
2250 control flow for readability. 'reset' action is not necessary.
2252 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
2254 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
2255 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
2256 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
2257 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
2259 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
2260 profile.c, sdbout.c, tradcif.y, tree.c:
2261 Include defaults.h if not already included.
2262 Don't define the above macros.
2264 * Makefile.in: Update dependencies.
2266 2000-09-10 Mark Mitchell <mark@codesourcery.com>
2268 * c-common.h (add_stmt): Change prototype.
2269 (RECHAIN_STMTS): New macro.
2270 (CASE_LABEL_DECL): Likewise.
2271 (genrtl_case_label): Change prototype.
2272 (c_expand_start_case): Remove prototype.
2273 (build_case_label): Change prototype.
2274 (decl_constant_value): Declare.
2275 * c-common.c (check_case_value): Handle C++'s extensions to C
2277 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
2279 * c-parse.in (stmt): Adjust handling of return statements and case
2281 * c-semantics.c (add_stmt): Return the new statement.
2282 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
2283 returned expression. Directly generate RTL, rather than calling
2285 (genrtl_switch_stmt): Don't call c_expand_start_case.
2286 (build_case_label): Take the LABEL_DECL as input, too.
2287 (genrtl_case_label): Just call add_case_node.
2288 (expand_stmt): Adjust calls to genrtl_return_stmt and
2290 * c-tree.h (c_expand_start_case): Declare.
2291 * c-typeck.c (decl_constant_value): Give it external linkage.
2292 (c_expand_return): Don't call expand_return or expand_null_return;
2293 use genrtl_return_stmt instead.
2294 * stmt.c (struct nesting): Remove num_ranges field.
2295 (add_case_node): Give it external linkage.
2296 (expand_start_case): Don't set num_ranges.
2297 (expand_start_case_dummy): Don't clear it.
2298 (pushcase): Rely on add_case_node to handle `default' labels.
2299 (add_case_node): Handle `default' labels.
2300 * tree.c (tree_int_cst_compare): New function.
2301 * tree.h (tree_int_cst_compare): Declare.
2302 (add_case_node): Likewise.
2304 2000-09-10 Richard Henderson <rth@cygnus.com>
2306 * c-parse.in: Revert last change.
2307 (init_reswords): Do not enter disabled keywords into the ridpointers
2308 table, modulo objc weirdness.
2309 (_yylex): Return the canonical spelling for a keyword.
2311 2000-09-10 Philip Blundell <philb@gnu.org>
2313 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
2314 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
2316 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
2318 * alias.c (find_base_term): Handle ADDRESSOF.
2319 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
2321 2000-09-10 Denis Chertykov <denisc@overta.ru>
2323 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
2324 outputting templates with many lines.
2326 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2328 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
2329 to decide whether 64-bit support must be generated.
2331 2000-09-10 Richard Henderson <rth@cygnus.com>
2333 * c-parse.in (asm patterns): Fix volatile check.
2335 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2337 * cppmacro.c (check_trad_stringification): New function.
2338 (save_expansion): If -Wtraditional, warn about stringification of
2341 2000-09-11 Michael Hayes <mhayes@cygnus.com>
2343 * loop.h (struct loop_mem_info): Move from loop.c
2344 (struct loop_info): Add fields store_mems, mems, mems_idx,
2345 mems_allocated, unknown_address_altered,
2346 unknown_constant_address_altered, num_mem_sets, and
2347 first_loop_store_insn.
2349 * loop.c (loop_store_mems): Replace with field in loop_info struct.
2350 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
2351 (unknown_address_altered, unknown_constant_address_altered): Likewise.
2352 (num_mem_sets): Likewise.
2353 (replace_loop_mems, replace_loop_regs): New.
2354 (struct loop_replace_args): New.
2355 (load_mems): Use replace_loop_mems.
2356 (try_copy_prop): Use replace_loop_regs.
2357 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
2359 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2361 * configure.in: Recognize m6811-elf and m6812-elf.
2362 * configure: Regenerate.
2364 2000-09-09 Geoff Keating <geoffk@cygnus.com>
2366 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
2369 2000-09-10 Michael Hayes <mhayes@cygnus.com>
2371 * loop.c (struct movables): New.
2372 (num_movables): Move into struct movables.
2373 (the_movables): Change type to struct movables.
2374 (ignore_some_movables): Change struct movable arg to struct movables.
2375 (force_movables, combine_movables, regs_match_p): Likewise.
2376 (rtx_equal_for_loop_p, move_movables): Likewise.
2377 (scan_loop): Change movables to be of type struct movables.
2378 Replace last_movable with field in movables structure.
2380 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
2382 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
2383 (init_pragma): Avoid warning if pfile happens to be unused.
2384 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
2385 define init_pragma to nothing. Always prototype
2386 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
2388 * c-lex.c (process_directive): Always call dispatch_pragma.
2389 Initialize entering_c_header to 0.
2391 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2393 * config/m68hc11/m68hc11.md: New file, machine description for
2395 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
2396 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
2397 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
2398 * config/m68hc11/m68hc11-protos.h: New file.
2399 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
2400 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
2401 * config/m68hc11/xm-m68hc11.h: New file, target defs.
2402 * config/m68hc11/larith.asm: New file, libgcc routines.
2404 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2406 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
2407 (FPBIT_FUNCS): Add _usi_to_sf.
2408 * config/fp-bit.c (usi_to_float): New function.
2409 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
2410 (usi_to_float): Add appropriate #define.
2412 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
2414 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
2416 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
2417 * i386.md (attr "type"): Add sse and mmx types.
2418 (attr "memory"): Handle them without a crash.
2419 (movsi_1, movdi_2): Allow MMX regs.
2420 (movdi splits): Don't split moves involving MMX regs.
2421 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
2422 (movv4sf_internal, movv4si_internal, movv8qi_internal,
2423 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
2424 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
2425 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
2426 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
2427 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
2428 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
2429 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
2430 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
2431 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
2432 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
2433 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
2434 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
2435 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
2436 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
2437 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
2438 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
2439 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
2440 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
2441 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
2442 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
2443 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
2444 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
2445 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
2446 mmx_clrdi): New patterns.
2448 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
2450 * arm.c: Don't include tm.h directly.
2452 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
2454 * recog.c (validate_replace_rtx_1): Fix confusion about equality
2455 testing; simplify subregs of constants and nested subregs.
2457 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
2459 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
2461 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
2463 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
2465 * rtl.texi (description of USE): Add note about possible pitfalls
2467 From Richard Henderson:
2468 * reload1.c (choose_reload_regs): Compute need_mode properly.
2470 2000-09-07 Richard Henderson <rth@cygnus.com>
2472 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
2473 (__modsi3, __umodsi3): Likewise.
2474 (__udivsi3): Likewise. Normalize the TFmode values.
2476 2000-09-07 Geoff Keating <geoffk@cygnus.com>
2478 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
2480 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
2483 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
2485 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
2486 (cmpeqdi_t): Add output pattern.
2487 (cmpeqdi_t+1): Don't split when not optimizing.
2488 Restore proper splitting operation.
2490 2000-09-07 Richard Henderson <rth@cygnus.com>
2492 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
2493 do not call dispatch_pragma.
2495 2000-09-07 Jim Wilson <wilson@cygnus.com>
2497 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
2498 to CLASS_CANNOT_CHANGE_MODE.
2499 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
2500 mode classes are different.
2502 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
2504 * cpplib.h (struct cpp_options): Add user_label_prefix member,
2505 left out of commit which removed cppulp.c.
2507 2000-09-07 Richard Henderson <rth@cygnus.com>
2509 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
2510 after switch for CASE_DROPS_THROUGH.
2512 2000-09-07 Richard Henderson <rth@cygnus.com>
2514 * loop.c (strength_reduce): Call check_ext_dependant_givs.
2515 Properly extend the biv initial value for the giv.
2516 (record_biv): Zero ext_dependant.
2517 (record_giv): New argument ext_val. Update all callers.
2518 (general_induction_var): Likewise.
2519 (consec_sets_giv): Likewise.
2520 (simplify_giv_expr): Likewise. Fill in ext_val if we find
2521 a sign-extend, zero-extend, or truncate.
2522 (combine_givs_p): Make sure modes are compatible.
2523 (check_ext_dependant_givs): New.
2524 (extend_value_for_giv): New.
2525 * loop.h (struct induction): Add ext_dependant.
2526 * unroll.c (iteration_info): Extend the biv initial value for the giv.
2527 (find_splittable_givs): Likewise.
2528 (final_giv_value): Likewise.
2530 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
2532 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
2533 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
2534 definitions from cpplib.h.
2535 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
2537 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
2538 documentation for REGISTER_TARGET_PRAGMAS.
2540 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
2541 default-pragma callback to implement -Wunknown-pragmas if
2543 * c-parse.in: Move all includes to top of file.
2544 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
2546 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
2548 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
2550 * arm.h, arm-protos.h, arm.c,
2551 c4x.h, c4x-protos.h, c4x.c,
2552 h8300.h, h8300-protos.h, h8300.c,
2553 i370.h, i370-protos.h, i370.c,
2554 i960.h, i960-protos.h, i960.c,
2555 sh.h, sh-protos.h, sh.c,
2556 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
2557 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
2559 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
2560 multiple include guard.
2561 * i370.md (untyped_call): Use GEN_CALL.
2562 (umodsi3): Remove unused variable.
2563 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
2564 * v850.c (output_move_single, output_move_double): Constify
2566 (print_operand): Constify a char *.
2567 * v850.h (struct small_memory_info): Constify name member.
2569 2000-09-07 Kazu Hirata <kazu@hxi.com>
2571 * config/h8300.h: Fix comment typos.
2572 * config/h8300/h8300.md: Likewise.
2573 * config/h8300/lib1funcs.asm: Likewise.
2575 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
2577 * Makefile.in: Remove references to cppulp.{c,o}.
2578 * cppinit.c (initialize_builtins, cpp_start_read,
2579 cpp_handle_option): Update to use cpp_options structure.
2582 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
2584 * c-common.c (time_char_table): Allow %#b and %#h.
2586 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2588 * reorg.c (find_end_label): If the basic block reorder pass moves the
2589 return insn to some other place try to locate it again and put our
2590 end_of_function_label there.
2591 * reorg.c (relax_delay_slots): Check if find_end_label created a
2592 new label that invalidates the current optimazation.
2594 2000-09-07 Catherine Moore <clm@redhat.com>
2596 * unroll.c (unroll_loop): Check for unconditional jumps
2597 to loop continuation. Delete if n_iterations is 1.
2598 (ujump_to_loop_cont): New routine.
2600 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
2602 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
2604 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
2605 to handle multiword modes correctly. All callers and the declaration
2608 2000-09-06 Mark Mitchell <mark@codesourcery.com>
2610 * c-common.h (prep_stmt): Declare.
2611 (lang_expand_stmt): Likewise.
2612 * c-decl.c (lang_expand_stmt): Remove.
2613 * c-semantics.c (lang_expand_stmt): Define.
2614 (prep_stmt): New function.
2615 (expand_stmt): Handle common statement types here.
2617 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
2619 * configure.in (sh-*-linux*): Added.
2620 * configure: Rebuilt.
2621 * config/sh/t-linux: New file.
2622 * config/sh/sh.h (USERMODE_BIT): Define.
2623 (TARGET_USERMODE): Likewise.
2624 (TARGET_SWITCHES): New switches for the bits above.
2625 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
2626 * config/sh/linux.h: New file.
2627 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
2628 underscore on linux.
2629 (L_sdivsi3, L_udivsi3): Define for linux.
2630 (L_ic_invalidate): Define.
2631 * invoke.texi (SH Options): Document -musermode.
2633 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
2635 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
2636 CSE unless generating PIC.
2638 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
2641 2000-09-06 H.J. Lu (hjl@gnu.org)
2643 * Makefile.in (clean_s1): Depend on stage_b.
2644 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
2645 stage2. They are used for "make compare".
2647 2000-09-06 Mark Mitchell <mark@codesourcery.com>
2649 Move statement-tree facilities from C++ to C front-end.
2650 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
2651 (void_zero_node): New macro.
2652 (struct stmt_tree_s): New type.
2653 (stmt_tree): New typedef.
2654 (struct language_function): New type.
2655 (last_tree): New macro.
2656 (last_expr_type): Likewise.
2657 (walk_tree_fn): New typedef.
2658 (current_stmt_tree): New function.
2659 (begin_stmt_tree): Likewise.
2660 (add_stmt): Likewise.
2661 (finish_stmt_tree): Likewise.
2662 (statement_code_p): Likewise.
2663 (lang_statement_code_p): New variable.
2664 (walk_stmt_tree): New function.
2665 (STMT_IS_FULL_EXPR_P): New macro.
2666 * c-common.c (lang_statement_code_p): New variable.
2667 (c_common_nodes_and_builtins): Initialize void_zero_node.
2668 (statement_code_p): New function.
2669 (walk_stmt_tree): Likewise.
2670 * c-decl.c (language_function): Rename to ...
2671 (c_language_function): ... this. Include language_function.
2672 (push_c_function_context): Adjust accordingly.
2673 (pop_c_function_context): Likewise.
2674 (mark_c_function_context): Likewise.
2675 (current_stmt_tree): Define.
2676 * c-semantics.c (begin_stmt_tree): New function.
2677 (add_stmt): Likewise.
2678 (prune_unused_decls): Likewise.
2679 (finish_stmt_tree): Likewise.
2681 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2683 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
2685 2000-09-06 Kazu Hirata <kazu@hxi.com>
2687 * calls.c: Fix formatting.
2689 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
2691 * config/i386/i386.h (ADDRESS_COST): Fix typo.
2693 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
2695 Integrated preprocessor.
2697 * Makefile.in: Remove all references to c-parse.gperf,
2698 c-gperf.h, and c-parse.h. Remove -d from yacc command line
2699 generating c-parse.c. Update dependencies.
2700 * c-parse.gperf, c-gperf.h: Delete.
2702 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
2703 yy_lim, or yy_get_token. Don't define get_directive_line if
2705 * c-common.h: Add multiple include guard. Define RID values
2706 for every keyword in C, C++, and Objective C. Put all the
2708 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
2709 * c-decl.c (c_decode_option): Handle -lang-objc here.
2710 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
2711 (grokdeclarator): Adjust for new RID scheme.
2712 (extract_interface_info): New stub.
2713 * c-lang.c: Don't declare yy_cur or parse_options.
2714 (lang_init_options): Call cpp_init. Don't call
2716 (lang_init): Don't call check_newline if USE_CPPLIB.
2718 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
2719 Elide lots of unnecessary code if USE_CPPLIB. Delete code
2720 rendered unnecessary by new architecture. Move routines not
2721 shared with C++ to c-parse.in. Maintain a local idea of the
2722 line number. Handle C++ as well as C.
2723 [USE_CPPLIB]: Declare and register callbacks for #ident and
2724 for entering/leaving files.
2725 (init_c_lex, c_lex): Are now the entry points to this file.
2726 (check_newline): Break out directive handling to
2728 (read_ucs, is_extended_char, utf8_extend_token): Moved here
2730 (readescape, parse_float): Overhaul.
2731 (lex_number, lex_string, lex_charconst): Break out of c_lex
2733 (get_fileinfo, update_header_times, dump_one_header,
2734 dump_time_statistics): New and/or moved here from C++.
2735 Support per-file data needed by C++ and per-header timing
2736 statistics (C++ only, at the moment).
2737 * c-lex.h: Update prototypes. Add multiple include guard.
2738 * c-tree.h (struct lang_identifier): Add rid_code field.
2739 (C_IS_RESERVED_WORD, C_RID_CODE): New.
2741 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
2742 reinit_parse_for_function and/or position_after_white_space.
2743 (save_filename, save_lineno): Look ahead before saving.
2744 (label -> identifier ':'): Save file and line before shifting ':'.
2745 (reservedwords): No need to call get_identifier.
2746 (init_parse, finish_parse, yyerror, yylex, yyprint,
2747 make_pointer_declarator): Are now here for C/ObjC.
2748 (rid_to_yy): Conversion table from RID constants to Yacc codes.
2750 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
2751 #pragma registry. Provide dummy implementation of that
2752 interface if !USE_CPPLIB.
2753 * c-pragma.h: Update to match.
2755 * flags.h: Add multiple include guard.
2756 (flag_detailed_statistics): Moved here from C++.
2757 * toplev.c: Define flag_detailed_statistics.
2759 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
2761 * timevar.def (TV_CPP, TV_LEX): New.
2762 * timevar.h: Add multiple include guard.
2764 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
2766 * objc/objc-act.c: Don't mention yy_cur or parse_options.
2767 Initialize cpplib properly. Force lineno to 0 after first
2768 call to check_newline. Don't handle -lang-objc here.
2769 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
2771 2000-09-06 David Edelsohn <edelsohn@gnu.org>
2773 * rs6000.md: Correct function unit definitions for cr_logical and
2775 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
2776 and use portable method for >=0 and floating point >=. Remove
2777 associated matchers.
2779 2000-09-06 Mark Mitchell <mark@codesourcery.com>
2781 * extend.texi: Mark named return value extension as deprecated.
2783 2000-09-06 Geoff Keating <geoffk@cygnus.com>
2785 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
2788 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
2790 * toplev.c (display_help): Fix thinko in documentation.
2792 * diagnostic.h (output_buffer::indent_skip): New fields.
2793 (output_indentation): New macro.
2795 * diagnostic.c (output_indent): New function.
2796 (output_set_prefix, clear_diagnostic_info): Use.
2797 (output_emit_prefix): Predict future indentation.
2799 2000-09-06 DJ Delorie <dj@redhat.com>
2801 * Makefile.in (stage_*): add more dependencies to ensure parallel
2802 builds build correctly
2804 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
2806 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
2807 not bootstrap-lean_f.
2809 2000-09-06 Andreas Schwab <schwab@suse.de>
2811 * mklibgcc.in: Emit rule for libgcc-stage-start.
2812 * Makefile.in (stage1-start, stage2-start, stage3-start,
2813 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
2815 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
2817 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
2818 (update_equiv_regs): Likewise, except for the mn10200 kludge.
2819 (combine_regs): Likewise.
2821 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
2822 * cse.c: Include "basic-block.h".
2823 (struct table_elt): New field REGCOST.
2824 (CHEAP_REG): Delete macro.
2825 (COST): Return 0 for REGs.
2826 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
2827 (notreg_cost): Return 0 for appropriate SUBREGs.
2828 (COSTS_N_INSNS): Return N * 2.
2829 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
2831 (CHEAPER): Use new function preferrable.
2832 (insert): Initialize REGCOST member.
2833 (find_best_addr): Use approx_reg_cost for estimation of register
2835 (cse_insn): Likewise.
2836 * loop.c (iv_add_mult_cost): New function.
2837 (add_cost, shift_cost, mult_cost): Delete variables.
2838 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
2839 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
2840 Make code that detects autoinc opportunities slightly less optimistic.
2841 (simplify_giv_expr): If expression contains other reg that is also a
2842 giv, only increment benefit if this is the only use of that reg.
2843 (consec_sets_giv): Take that change into account.
2844 (combine_givs): Slightly more verbose output.
2846 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
2847 not the cost of an equivalent shift.
2848 * sh-protos.h (addsubcosts): Declare.
2849 * sh.c (addsubcosts): New function.
2850 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
2851 (RTX_COSTS): Tweak. Use addsubcosts.
2852 (ADDRESS_COST): Return higher cost for reg+reg addressing.
2854 2000-09-06 Geoff Keating <geoffk@cygnus.com>
2856 * config/rs6000/rs6000.c (validate_condition_mode): New function.
2857 (branch_comparison_operator): Call validate_condition_mode to
2858 abort rather than returning 0.
2859 (branch_positive_comparison_operator): New function.
2860 (scc_comparison_operator): Call validate_condition_mode to abort
2861 rather than returning 0.
2862 (ccr_bit): Call validate_condition_mode. Update for
2864 (print_operand): Delete %C modifier. Update %E case
2865 to use EQ bit not SO bit.
2866 (rs6000_reverse_condition): New function.
2867 (rs6000_generate_compare): New function.
2868 (rs6000_emit_sCOND): New function.
2869 (rs6000_emit_cbranch): New function.
2870 (output_cbranch): The length of a long branch insn is
2871 now only 8 bytes. Add validate_condition_mode. Use
2872 rs6000_reverse_condition. Remove cror generation.
2874 * config/rs6000/rs6000.h: Update comments.
2875 (PREDICATE_CODES): Add new predicate. Update codes used
2876 by branch_comparison_operator and scc_comparison_operator.
2877 * config/rs6000/rs6000-protos.h: Add prototypes for
2878 new external functions.
2879 * config/rs6000/rs6000.md: Add new scheduling parameters
2880 for cr_logical instructions. Change length of branch
2882 (bCOND patterns): Call rs6000_emit_cbranch.
2883 (sCOND patterns): Call rs6000_emit_sCOND.
2884 (branch patterns): Change lengths to 4.
2885 (cr logical patterns): New.
2887 2000-09-06 Richard Henderson <rth@cygnus.com>
2889 * config/i386/i386.md (call_pop): Fix test for setting
2890 current_function_uses_pic_offset_table.
2891 (call, call_value_pop, call_value): Likewise.
2893 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
2895 * timevar.c (timevar_add): Delete.
2896 (timevar_get): Also count time since the selected timer was
2897 last updated. Do not examine the timevar stack if the
2898 selected timer is standalone.
2900 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2902 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
2904 2000-09-05 Jason Merrill <jason@redhat.com>
2906 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
2907 for 'extern' arrays.
2909 2000-09-05 Richard Henderson <rth@cygnus.com>
2911 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
2912 Eliminate final copy from non-trapping case.
2913 (__divdf3, __divsf3): Likewise.
2915 2000-09-05 Richard Henderson <rth@cygnus.com>
2917 * config/ia64/ia64.md (mulhi3): Fix typo last change.
2918 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
2920 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
2922 * Makefile.in: Restructure bootstrap stages to allow clean
2923 restart after failure.
2925 2000-09-05 Richard Henderson <rth@cygnus.com>
2927 * config/ia64.md (movsi and movdi patterns): Allow moves from
2928 8-bit constants to AR registers.
2930 2000-09-05 Richard Henderson <rth@cygnus.com>
2932 * config/ia64/ia64.md (mulhi3): New.
2934 2000-09-05 Richard Henderson <rth@cygnus.com>
2936 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
2937 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
2938 Optimization Guide, minimum latency alternative.
2939 (__moddi3, __udivdi3, __umoddi3): Likewise.
2940 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
2942 2000-09-05 Bruce Korb <bkorb@gnu.org>
2944 * fixinc/fixincl.c (load_file): always read header files
2945 with sizes that are a multiple of the page size.
2946 & use libiberty's getpagesize for determining that.
2948 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
2950 * gcse.c (hash_string_1): Add prototype.
2951 * cse.c (canon_hash_string): Likewise.
2953 2000-09-04 Craig Newell <CraigN@ieee.org>
2955 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
2957 2000-09-04 Andreas Schwab <schwab@suse.de>
2959 * Makefile.in (STAGESTUFF): Remove libgcc.
2960 (stage1-start, stage2-start, stage3-start): Copy the contents of
2961 the libgcc directory explicitly.
2962 (mostlyclean): Clean libgcc.
2964 2000-09-04 Andrew Haley <aph@redhat.com>
2966 * dwarf2out.c: (stack_adjust_offset): New prototype.
2968 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
2970 * combine.c (make_extraction): Fix rtx_cost comparison to
2973 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
2975 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
2976 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
2977 Add '*' to insn pattern name.
2979 2000-09-04 Jakub Jelinek <jakub@redhat.com>
2981 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
2982 use posn - 1 to index into tokens array.
2983 (maybe_paste_with_next): Adjust caller.
2985 2000-09-03 Geoff Keating <geoffk@cygnus.com>
2987 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
2989 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
2990 (REGNO_REG_CLASS): Use symbolic register
2993 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
2995 * arm.c (final_prescan_insn): If the form of a jump insn isn't
2996 recognized, don't try to conditionally execute it.
2998 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
3000 * config/avr/avr.md ("*tablejump_lib"): New pattern.
3001 (call_value_insn): Right length claculation.
3002 (call_insn): Likewise.
3004 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
3006 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
3007 gas_output_limited_string, gas_output_ascii, output_movqi,
3008 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
3009 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
3010 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
3011 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
3012 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
3013 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
3014 Add "const" as needed to remove warnings.
3016 * config/avr/avr.c (avr_override_options, avr_init_once,
3017 function_prologue, function_epilogue, frame_pointer_required_p,
3018 class_likely_spilled_p, order_regs_for_local_alloc,
3019 avr_address_cost, avr_ret_register): Use K&R style arguments.
3020 (initial_elimination_offset, gas_output_limited_string):
3021 Remove ATTRIBUTE_UNUSED from the used arguments.
3022 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
3023 Use local variables src, dest, base to access operands[].
3024 Rename reg_dest to reg_src if that's what it is.
3025 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
3026 constants to LD_REGS if reg_was_0.
3027 (output_reload_insisf): Change arg 3 to insn length and set it.
3028 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
3029 access to 16-bit I/O register pairs.
3030 (avr_address_cost): Lower cost for the above case.
3031 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
3032 may be clobbered, also for LD_REGS.
3033 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
3036 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
3038 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
3039 macro to test_hard_reg_class function.
3040 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
3041 for loading immediate constants to LD_REGS.
3042 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
3045 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
3047 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
3048 * config/avr/libgcc.S: Lost part of the previous patch.
3050 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3052 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
3053 object before calling pthread_mutex_init.
3055 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
3057 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
3058 config/sh/crtn.asm: New files.
3059 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
3060 (crt1.o, crti.o, crtn.o): New targets.
3061 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
3063 * configure: Rebuilt.
3064 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
3065 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
3066 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
3067 Undefine for config/elfos.h to redefine.
3068 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
3070 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
3072 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
3073 legitimize_pic_address, output_pic_addr_const): Declare.
3074 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
3075 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
3076 (TARGET_SWITCHES): New switch -mprefergot.
3077 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
3078 (PIC_OFFSET_TABLE_REGNUM): Define.
3079 (GOT_SYMBOL_TABLE): Likewise.
3080 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
3081 (ENCODE_SECTION_INFO): Define.
3082 (FINALIZE_PIC): New macros.
3083 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
3084 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
3085 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
3086 (prepare_move_operands): Call emit_pic_move or
3087 emit_pic_const_move if appropriate.
3088 (output_far_jump): For PIC, use braf and output long offset.
3089 (machine_dependent_reorg):
3090 (sh_expand_prologue): Save and initialize the PIC register.
3091 (sh_expand_epilogue): Restore it.
3092 (initial_elimination_offset): Account for it.
3093 (nonpic_symbol_mentioned_p): New function.
3094 (legitimize_pic_address): Likewise.
3095 (output_pic_addr_const): Likewise.
3096 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
3097 (call, call_value): Use them.
3098 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
3099 symPLT_label2reg): New expands.
3100 * invoke.texi (SH Options): Document -mprefergot.
3102 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
3104 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
3105 * gcse.c (hash_string_1): New function.
3106 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
3107 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
3108 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
3109 (canon_hash_string): New function.
3110 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
3111 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
3112 (fold_rtx): Use ASM_OPERANDS accessor macros.
3113 * emit-rtl.c (copy_insn_1): Likewise.
3114 * integrate.c (copy_rtx_and_substitute): Likewise.
3115 * stmt.c (expand_asm_operands): Likewise. Give an
3116 ASM_OPERANDS rtx the mode of the output reg being set from it.
3118 2000-09-01 Fred Fish <fnf@be.com>
3120 * fix-header.c (write_rbrac): Add putc and getc to list of
3121 functions to protect against prior definition as a macro.
3123 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
3125 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
3126 (c_size_type_node): Define.
3127 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
3128 * c-common.c (enum format_lengths, enum format_std_version,
3129 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
3130 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
3131 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
3132 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
3133 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
3134 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
3135 format_types): Define.
3136 (format_char_info, print_char_table, scan_char_table,
3137 time_char_table): Rearrange for new organization of information
3138 about format length modifiers and standard versions.
3139 (T_ST): Redefine to use c_size_type_node.
3140 (check_format_info): Obtain information about length modifiers and
3141 standard versions from tables. Adjust warning message wordings.
3142 Use the name from the user's program for `ll' and `hh' length
3143 modifiers in warning messages. Use more informative names for
3144 wanted types where available (for wchar_t, wint_t, size_t, signed
3145 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
3147 2000-09-01 Jim Wilson <wilson@cygnus.com>
3149 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
3150 * combine.c (distribute_notes): Handle REG_NORETURN.
3151 * rtl.c (reg_note_name): Add REG_NORETURN.
3152 * rtl.h (enum reg_note): Likewise.
3154 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
3156 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
3157 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
3158 (emit_predicate_relation_info): Handle conditional calls with
3160 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
3161 instead of ia64_file_start.
3162 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
3163 * config/ia64/ia64.md (safe_across_calls_all,
3164 save_across_calls_normal): New patterns.
3166 * loop.c (check_final_value): Check for biv use before checking for
3167 giv use. Check for both biv and giv uses. Always set last_giv_use
3168 if there is a giv use.
3170 2000-09-01 Richard Henderson <rth@cygnus.com>
3172 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
3173 (madddi3): Likewise.
3176 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3178 * expr.c (clear_storage): Don't use emit_move_insn unless
3179 either BLKmode or proper size.
3180 (store_constructor): Don't call clear_storage if REG of wrong size.
3182 * flow.c (init_propagate_block_info): Don't mark frame dead at end
3183 of function if returns wiht stack pointer depressed.
3185 2000-09-01 Andrew Haley <aph@redhat.com>
3187 * dwarf2out.c (stack_adjust_offset): New function.
3188 (dwarf2out_stack_adjust): Break out stack adjust logic into
3189 new stack_adjust_offset function. Look inside parallels and
3190 sequences for stack adjustments.
3192 2000-08-31 Jeff Law <law@cygnus.com>
3194 * arm.md: Use no_new_pseudos to determine when it is safe
3195 to create new pseudo registers.
3197 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
3198 when we can safely allocate new registers.
3200 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
3202 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
3203 so that CONCATs are not generated for ASMs.
3204 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
3205 not generating_concat_p.
3206 * function.c (pop_function_context_from): Reset
3207 generating_concat_p.
3208 (prepare_function_start): Likewise.
3209 * rtl.c (generating_concat_p): Define.
3210 * rtl.h (generating_concat_p): Declare.
3211 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
3213 2000-08-22 Philipp Thomas <pthomas@suse.de>
3214 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
3216 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
3219 2000-08-30 Greg McGary <greg@mcgary.org>
3221 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
3222 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
3223 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
3225 2000-08-30 Greg McGary <greg@mcgary.org>
3227 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
3228 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
3229 (TREE_INT_CST): New macro.
3230 * varasm.c (const_hash, compare_constant_1, record_constant_1):
3231 Use new macro TREE_INT_CST.
3233 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
3235 * contrib.texi: Add self.
3237 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
3239 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
3240 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
3243 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3245 * fixinc/gnu-regex.c: Don't define `const'.
3247 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3249 * expr.c (store_constructor): Allow variable bounds of array type.
3250 (expand_expr): Don't blow up if type is ERROR_MARK.
3251 * varasm.c (output_constructor): Don't access lower bound of array
3252 type unless need it if index is supplied (so it can be a variable
3253 if no index is supplied).
3254 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
3255 Other minor cleanups.
3257 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3259 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
3260 for compilations in stage 1 and subsequent stages, respectively.
3261 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
3262 * configure: Rebuilt.
3263 * x-vax, x-vax-gcc: Deleted.
3265 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
3267 * c-common.c (declare_function_name): Use func_id_node,
3268 function_id_node, and pretty_function_id_node. Do not make
3269 __func__ visible at file scope.
3270 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
3271 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
3272 (function_id_node, pretty_function_id_node, func_id_node): New
3274 * c-decl.c (init_decl_processing): Initialize function_id_node,
3275 pretty_function_id_node, and func_id_node.
3276 (c_make_fname_decl): Correct comment.
3278 * tree.h (struct tree_identifier): Constify pointer member.
3280 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
3281 * c-pragma.h (struct weak_syms): Constify name and value members.
3282 (add_weak): Constify arguments.
3284 * calls.c (special_function_p): Constify a char *.
3285 (expand_call): Remove variable which is initialized and then
3287 * dependence.c (struct def_use, struct induction, struct subscript):
3288 Constify 'variable' member.
3289 (get_low_bound, have_induction_variable): Constify char * argument.
3290 (find_induction_variable): Add braces to avoid dangling else.
3291 (classify_dependence): Constify char * arrays.
3292 * profile.c (output_func_start_profiler): Constify a char *.
3293 * stor-layout.c (finalize_record_size): Constify a char *.
3294 * tree.c (is_attribute_p): Constify a char *.
3295 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
3297 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
3298 for comprehensibility. Do not call get_identifier if we did
3299 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
3300 create temporary string constants, not ggc_alloc_string. No
3301 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
3302 char * to hold IDENTIFIER_POINTERs.
3304 2000-08-29 Richard Henderson <rth@cygnus.com>
3306 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
3309 2000-08-29 Richard Henderson <rth@cygnus.com>
3311 * reload.c (push_secondary_reload): Allow class == reload_class
3312 if we're using a reload_in/out pattern.
3314 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
3315 the half that does not conflict with the reload register.
3316 (reload_outti): Likewise.
3318 2000-08-29 Kazu Hirata <kazu@hxi.com>
3320 * reload.c: Fix formatting.
3322 * stmt.c: Fix formatting.
3324 * gcc.c: Fix formatting.
3326 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
3328 * flags.h (time_report, mem_report): New global flags.
3329 * toplev.c: Define time_report and mem_report.
3330 (f_options): Add -ftime-report and -fmem-report.
3331 (compile_file): Turn on time_report if quiet_flag is off.
3332 Call ggc_print_statistics at very end if mem_report is on.
3333 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
3335 * ggc-common.c (ggc_print_statistics): Rename to
3336 ggc_print_common_statistics; all callers changed. Scale
3337 quantities above 10K to kilobytes and above 10M to megabytes.
3338 * ggc-page.c (ggc_page_print_statistics): Rename to
3339 ggc_print_statistics. Report memory consumed by internal data
3340 structures for each allocation bucket. Scale quantities above
3341 10K to kilobytes and above 10M to megabytes.
3342 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
3343 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
3344 Define tally_leaves always.
3345 (ggc_print_statistics): New function.
3346 * ggc.h: Adjust for renamed functions.
3348 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
3350 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
3351 output_movsisf instead of which_alternative.
3353 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
3355 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
3357 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
3358 (avr_progmem_p): New prototype.
3359 (output_movsisf): Prototype declaration changed.
3360 (output_movqi): New prototype.
3361 (output_movhi): New prototype.
3362 (call_insn_operand): Likewise.
3363 (final_prescan_insn): Likewise.
3364 (avr_simplify_comparision_p): Likewise.
3365 (avr_normalize_condition): Likewise.
3366 (compare_eq_p): Likewise.
3367 (out_shift_with_cnt): Likewise.
3368 (const_int_pow2_p): Likewise.
3369 (output_reload_inhi): Prototype declaration changed.
3371 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
3372 (ldi_reg_rtx): New. rtx for r31.
3373 (avr_init_stack): Initialize as "__stack".
3374 (function_prologue): Use it.
3375 Replace all TARGET_ENHANCED with AVR_ENHANCED.
3376 (avr_mcu_name): Initialize as "avr2".
3377 (avr_enhanced_p, avr_mega_p): New variables.
3378 (mcu_types, avr_override_options): Handle all known MCU types.
3379 Also handle avr1 (only preprocess, assemble and link).
3380 (print_operand): Using of `%K' in output template removed.
3381 (out_movqi_r_mr): Optimized.
3382 (out_movhi_r_mr): Likewise.
3383 (output_movqi): New function.
3384 (output_movhi): Likewise.
3385 (out_movsi_r_mr): Optimized.
3386 (output_movsisf): Compute insn length for `adjust_insn_length'
3387 (out_movqi_mr_r): Optimized.
3388 (out_movhi_mr_r): Optimized.
3389 (adjust_insn_length): Use output_movsisf, output_movqi,
3390 output_movhi for insn length adjusting.
3391 (reg_unused_after): Use dead_or_set_p.
3392 (preferred_reload_class): Now havn't any restriction.
3393 (reg_was_0): New function.
3394 (io_address_p): Likewise.
3395 (const_int_pow2_p): Likewise.
3396 (output_reload_inhi): Likewise.
3397 (output_reload_insisf): Likewise.
3399 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
3400 (LIB_SPEC): Use -lc for all supported devices.
3401 (LIBGCC_SPEC): Use -lgcc for all supported devices.
3402 (AVR_MEGA): Define as avr_mega_p.
3403 (AVR_ENHANCED): New, define as avr_enhanced_p.
3404 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
3405 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
3406 (CRT_BINUTILS_SPECS): Handle all known MCU types.
3407 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
3408 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
3409 (ASM_SPEC): Pass -mmcu=... to the assembler.
3410 Change all -DAVR_* to -D__AVR_*__.
3411 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
3412 Rename library functions to start with two underscores.
3413 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
3415 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
3416 (SUPPORTS_WEAK): Likewise.
3417 (LDI_REG_REGNO): New. Register r31 will be used as temporary
3418 register for loading constants to r0-r14.
3420 * config/avr/avr.md: Replace all TARGET_ENHANCED with
3422 (*mov_r_sp): Removed. Handled by output_movhi.
3423 (*mov_sp_r): Likewise.
3424 (*mov_sp_r_no_interrupts): Likewise
3425 (*mov_sp_r_tiny): Likewise.
3426 (*movqi): Use output_movqi.
3427 (*reload_inqi): New.
3428 (*movhi): Use output_movhi.
3429 (*reload_inhi): New.
3430 (*negsi2): Optimized.
3431 (*negsf2): Likewise.
3432 Added peepholes (define_peephole2) for loading constants to r0-r14
3433 and for using `cpse' command.
3435 * config/avr/libgcc.S: Rename library functions to start with two
3437 Add support for enhanced core.
3438 (_moqhi3): Fix typo, now _modqi3.
3439 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
3440 (__prologue_saves__): Remove test for stack adjust by 0.
3441 (__tablejump__): New.
3443 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
3444 Add multilib support.
3446 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
3448 * loop.c (prescan_loop): Don't check unknown_address_altered
3449 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
3450 to loop_store_mems as necessary.
3451 (loop_invariant_p): Don't check unknown_address_altered
3452 or unknown_constant_address_altered.
3454 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3456 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
3458 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
3460 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
3461 print just the filename.
3462 * cpplex.c (_cpp_run_directive): Add additional argument, the
3463 name to give the synthetic buffer. This defaults to
3464 translated "<command line>".
3465 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
3467 (_cpp_define_builtin): New function.
3468 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
3469 * cpphash.h: Update prototypes.
3471 * tradcpp.c (main): Process -D and -U simultaneously, in the
3472 order they appeared on the command line.
3474 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3476 * c-decl.c (define_label): Call warning_with_file_and_line and
3477 error_with_file_and_line instead of plain warning or error.
3479 * c-parse.in (label): Use save_filename/save_lineno to ensure
3480 correct values for calls to define_label.
3482 2000-08-29 Mark Mitchell <mark@codesourcery.com>
3484 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
3486 * expr.c (expand_expr, case TARGET_EXPR): Don't call
3488 * tree.h (get_file_function_name): Remove two duplicate
3491 2000-08-28 Kazu Hirata <kazu@hxi.com>
3493 * tree.c: Fix formatting.
3495 * xcoffout.c: Fix formatting.
3497 2000-08-28 Jason Merrill <jason@redhat.com>
3499 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
3501 2000-08-28 Daniel Berlin <dberlin@redhat.com>
3503 * dwarf2out.c (dwarf2out_finish): Don't bother calling
3504 break_out_includes if it won't do anything.
3506 2000-08-28 Richard Henderson <rth@cygnus.com>
3508 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
3509 (find_reloads): Likewise.
3510 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
3511 (reload_inhi): Likewise.
3513 2000-08-28 Richard Henderson <rth@cygnus.com>
3515 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
3516 (call_insn_operand): Don't expect a surrounding mem.
3517 (constant_call_address_operand): Likewise.
3518 * config/i386/i386.h (PREDICATE_CODES): Update.
3519 * config/i386/i386.md (call patterns): Move the match_operand
3520 for the call destination inside the mem.
3522 2000-08-28 Richard Henderson <rth@cygnus.com>
3524 * local-alloc.c (requires_inout): Don't use reserved range for
3525 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
3526 * recog.c (asm_operand_ok): Likewise.
3527 (preprocess_constraints, constrain_operands): Likewise.
3528 * regclass.c (record_reg_classes): Likewise.
3529 * reload.c (find_reloads): Likewise.
3530 * reload1.c (maybe_fix_stack_asms): Likewise.
3531 (reload_cse_simplify_operands): Likewise.
3532 * stmt.c (expand_asm_operands): Likewise.
3534 * md.texi: Update constraints documentation.
3535 * tm.texi (EXTRA_CONSTRAINT): Update.
3537 2000-08-28 Daniel Berlin <dberlin@redhat.com>
3539 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
3540 (print_die): If we don't know the offset of the
3541 target die, try the symbol. Add a trailing newline.
3542 (reverse_all_dies): New fn.
3543 (dwarf2out_finish): Call it.
3544 (break_out_includes): Reorganize for clarity.
3545 (add_sibling_attributes): Don't call reverse_die_lists.
3546 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
3548 * flags.h: Add flag_eliminate_dwarf2_dups.
3549 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
3551 2000-08-28 Jason Merrill <jason@redhat.com>
3553 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
3554 * dwarf2out.c: #include "md5.h".
3555 (DIE_LABEL_PREFIX): New macro.
3556 (dw_val_struct): Add 'external' flag to val_die_ref.
3557 (add_AT_die_ref, AT_ref): Adjust.
3558 (AT_ref_external, set_AT_ref_external): New fns.
3559 (build_abbrev_table): Call set_AT_ref_external.
3560 (value_format): Call AT_ref_external.
3561 (die_struct): Add die_symbol field.
3562 (new_die): Clear it.
3563 (dwarf_tag_name): Handle BINCL/EINCL.
3564 (dwarf2out_start_source_file): Add BINCL DIE.
3565 (dwarf2out_end_source_file): Add EINCL DIE.
3566 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
3567 (loc_checksum, attr_checksum, die_checksum): New fns.
3568 (is_type_die, is_comdat_die, is_symbol_die): New fns.
3569 (compute_section_prefix, assign_symbol_names): New fns.
3570 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
3571 (output_die): Call output_die_symbol and AT_ref_external.
3572 (output_comdat_comp_unit): New fn, split out from...
3573 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
3575 (output_pubnames, output_aranges): Abort if we see entries from
3577 * toplev.h: Declare file_name_nondirectory.
3578 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
3579 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
3580 (debug_start_source_file): Call dwarf2out_start_source_file
3581 regardless of debug verbosity.
3582 (debug_end_source_file): Similarly.
3583 * tree.h: Declare clean_symbol_name.
3584 * tree.c (clean_symbol_name): Split out from...
3585 (get_file_function_name_long): ...here.
3587 * dwarf2out.c (new_loc_descr): Use calloc.
3588 (splice_child_die): Remove the die from the right parent.
3589 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
3591 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3593 * toplev.c (decode_g_option): Don't give warning for unknown -g
3594 option; return 0 instead.
3595 (main): If -g option is not recognized by front end or
3596 language-independent code, give warning.
3598 2000-08-28 Greg McGary <greg@mcgary.org>
3600 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
3601 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
3602 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
3604 2000-08-27 Greg McGary <greg@mcgary.org>
3606 * cpplex.c (parse_string): Don't look for backslash
3607 before first char in `namebuf'.
3608 * loop.c (strength_reduce): Skip NOTEs.
3610 2000-08-27 Jason Merrill <jason@redhat.com>
3612 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
3613 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
3614 TREE_ASM_WRITTEN, either.
3615 (finish_decl): Adjust.
3617 2000-08-28 Philipp Thomas <pthomas@suse.de>
3619 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
3620 they have been incorporated into the gettext CVS. Change the text to
3621 reflect the current status of NLS. Add instructions for accessing
3622 the gettext CVS and add the patch from Martin v. Loewis.
3624 2000-08-27 Geoff Keating <geoffk@cygnus.com>
3626 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
3627 by using gen_lowpart_common.
3628 (movdi_internal64+6): Likewise.
3630 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
3632 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
3635 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
3636 numbers to the ranges used by GDB.
3638 2000-08-25 Richard Henderson <rth@cygnus.com>
3640 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
3641 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
3642 (ia64_expand_prologue): Likewise.
3643 (ia64_setup_incoming_varargs): Set it. Properly skip the current
3644 argument for stdargs.
3646 2000-08-25 Jason Merrill <jason@redhat.com>
3648 * integrate.c (expand_inline_function): Pull out the original decl.
3650 2000-08-25 Jim Wilson <wilson@cygnus.com>
3652 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
3654 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
3656 2000-08-25 Greg McGary <greg@mcgary.org>
3658 * flow.c (dump_edge_info): Use ARRAY_SIZE.
3659 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
3661 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
3663 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
3665 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
3667 * i386.c (ix86_find_base_term): New.
3668 * i386-protos.h (ix86_find_base_term): Prototype.
3669 * i386.h (FIND_BASE_TERM): Define.
3670 * alias.c (find_base_term): Use it.
3671 * tm.texi (FIND_BASE_TERM): Document it.
3673 * alias.c (true_dependence, write_dependence_p): Unchanging
3674 memory can't conflict with non-unchanging memory.
3676 * alias.c (memrefs_conflict_p): A BLKmode reference
3677 to a symbol (or CONST_INT address) always conflicts
3678 with a reference to another symbol.
3680 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
3682 * c-common.c (time_char_table): Don't allow width and flags with
3685 2000-08-25 Jakub Jelinek <jakub@redhat.com>
3687 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
3688 way as LT and LTU when the second operand has 0 in low word.
3690 2000-08-26 Michael Hayes <mhayes@cygnus.com>
3692 * basic-block.h (struct loop): Rename `exits' field to
3693 `exit_edges'. Add `entry_edges' and `num_entries' fields.
3695 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
3696 (flow_loop_entry_edges_find): Add.
3697 (flow_edge_list_print): Rename from flow_exits_print.
3698 (flow_loops_find): Call flow_loop_entry_edges_find.
3699 (flow_loop_dump): Dump entry_edges list.
3700 (flow_loops_free): Free entry_edges.
3702 2000-08-26 Michael Hayes <mhayes@cygnus.com>
3704 * loop.c (loop_dump_aux, debug_loop): New functions.
3705 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
3707 * flow.c (flow_loops_dump): Add callback parameter.
3708 (flow_loop_dump): Add callback parameter and call it. Move
3709 loop note debugging code to loop_dump_aux.
3711 * basic-block.h (flow_loop_dump): Add callback parameter
3712 (flow_loops_dump): Likewise.
3714 * toplev.c (rest_of_compilation): Add NULL callback function pointer
3715 to call to flow_loops_dump.
3717 2000-08-26 Michael Hayes <mhayes@cygnus.com>
3719 * loop.c (count_loop_regs_set): Replace start and end arguments
3720 with loop argument. All callers udated.
3722 2000-08-26 Michael Hayes <mhayes@cygnus.com>
3724 * loop.c (constant_high_bytes): Delete.
3726 2000-08-26 Michael Hayes <mhayes@cygnus.com>
3728 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
3729 and NOTE_INSN_LOOP_VTOP to...
3730 (find_and_verify_loops) ...here.
3732 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
3734 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
3735 (fini_dummy, init_dummy): Use it.
3737 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
3739 * cpplex.c (is_macro_disabled): Caller has already checked
3740 that we're not a preprocessed file.
3742 2000-08-24 Mark Mitchell <mark@codesourcery.com>
3744 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
3745 (c-iterate.o): Remove target.
3746 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
3747 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
3748 (finish_decl): Don't handle iterators.
3749 (grokdeclarator): Likewise.
3750 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
3751 * gcc/c-gperf.h: Regenerated.
3752 * gcc/c-iterate.c: Removed.
3753 * gcc/c-lex.c (init_lex): Don't handle iterators.
3754 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
3755 (compstmt_primary_start): Remove push_iterator_stack call.
3756 (stmt): Don't allow iterator statements. Replace iterator_expand
3757 with expand_expr_stmt.
3758 (all_iter_stmt): Remove.
3759 (all_iter_stmt_simple): Likewise.
3760 (all_iter_stmt_with_decl): Likewise.
3761 * gcc/c-tree.h (ITERATOR_P): Remove.
3762 (ITERATOR_BOUND_P): Likewise.
3763 (init_iterators): Remove declaration.
3764 (iterator_expand): Likewise.
3765 (iterator_for_loop_start): Likewise.
3766 (iterator_for_loop_end): Likewise.
3767 (iterator_for_loop_record): Likewise.
3768 (push_iterator_stack): Likewise.
3769 (pop_iterator_stack): Likewise.
3770 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
3771 (readonly_warning): Likewise.
3772 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
3774 2000-08-24 Jim Wilson <wilson@cygnus.com>
3776 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
3777 Copy type in a TYPE_DECL, just like pushdecl does.
3779 2000-08-24 Richard Henderson <rth@cygnus.com>
3781 * toplev.c (main): Enable flag_reorder_blocks at -O2.
3783 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
3785 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
3786 asked for one page, allocate GGC_QUIRE_SIZE of them and put
3787 the extras on the free list.
3788 (release_pages): Clean up.
3789 (ggc_set_mark): Don't adjust G.allocated here...
3790 (sweep_pages): ... do it here.
3792 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
3794 * cppfiles.c (read_include_file): Rearrange initializations.
3796 2000-08-24 Richard Henderson <rth@cygnus.com>
3798 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
3800 * config/ia64/ia64-protos.h: Update.
3801 * config/ia64/ia64.c (gr_register_operand): New.
3802 (fr_register_operand, grfr_register_operand): New.
3803 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
3804 (grfr_reg_or_8bit_operand): New.
3805 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
3806 use gr_register_operand.
3807 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
3808 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
3809 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
3810 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
3811 (fr_reg_or_fp01_operand): Likewise.
3812 (not_postinc_memory_operand): New.
3813 (ia64_split_timode): Remove unused variables.
3814 (rtx_needs_barrier): Check arguments to cmpxchg.
3815 (builtin_description): Remove.
3816 (bdesc_2argsi, bdesc_2argdi): Remove.
3817 (ia64_init_builtins): Declare all builtins directly.
3818 (ia64_expand_fetch_and_op): Rewrite to be called from
3819 ia64_expand_builtin directly. Use expand_binop and co.
3820 (ia64_expand_op_and_fetch): Likewise.
3821 (ia64_expand_compare_and_swap): Likewise.
3822 (ia64_expand_binop_builtin): Remove.
3823 (ia64_expand_lock_test_and_set): New.
3824 (ia64_expand_lock_release): New.
3825 (ia64_expand_builtin): Use them.
3826 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
3827 (EXTRA_CONSTRAINT): Use it.
3828 (PREDICATE_CODES): Update.
3829 * config/ia64/ia64.md (*): Use gr_register_operand and co.
3830 (mf): Indicate that we set memory as well as use it.
3831 (fetchadd_acq_si): Show memory being modified as well.
3832 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
3833 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
3834 (lock_test_and_set_si, lock_test_and_set_di): Remove.
3835 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
3836 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
3837 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
3838 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
3839 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
3840 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
3841 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
3842 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
3843 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
3844 return type. Pretty print definitions.
3846 2000-08-24 Jim Wilson <wilson@cygnus.com>
3848 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
3849 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
3851 2000-08-24 Jason Merrill <jason@redhat.com>
3853 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
3854 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
3855 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
3856 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
3858 2000-08-24 Greg McGary <greg@mcgary.org>
3860 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
3861 and extendtab within their proper array boundaries.
3862 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
3863 for the entire array.
3865 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
3866 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
3867 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
3868 * config/fr30/fr30.c (fr30_print_operand): Likewise.
3869 * config/i386/dgux.c (output_options): Likewise.
3870 * config/i386/dgux.h (ASM_FILE_START): Likewise.
3871 * config/m88k/m88k.c (output_options): Likewise.
3872 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
3873 * config/mcore/mcore.c (mcore_output_inline_const_forced,
3874 layout_mcore_frame, handle_structs_in_regs): Likewise.
3875 * config/mips/mips.c (output_block_move): Likewise.
3876 * config/rs6000/rs6000.c (rs6000_override_options,
3877 rs6000_file_start): Likewise.
3878 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
3879 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
3880 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
3881 * builtins.c (expand_builtin_setjmp): Likewise.
3882 * expr.c (safe_from_p): Likewise.
3883 * flow.c (life_analysis): Likewise.
3884 * fold-const.c (size_int_type_wide): Likewise.
3885 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
3886 * genattrtab.c (make_length_attrs): Likewise.
3887 * genopinit.c (gen_insn): Likewise.
3888 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
3889 * global.c (global_alloc): Likewise.
3890 * local-alloc.c (find_free_reg): Likewise.
3891 * mips-tdump.c (print_symbol): Likewise.
3892 * mips-tfile.c (parse_def, parse_input): Likewise.
3893 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
3894 * stmt.c (expand_nl_goto_receiver): Likewise.
3895 * stor-layout.c (set_sizetype): Likewise.
3896 * varasm.c (decode_reg_name): Likewise.
3897 * toplev.c (decode_f_option, decode_W_option,
3898 set_target_switch, print_switch_values): Likewise.
3899 (NUM_ELEM): Remove macro.
3900 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
3902 2000-08-24 Greg McGary <greg@mcgary.org>
3904 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
3905 (MAIN_NAME_P, main_identifier_node): New macros.
3906 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
3907 * c-decl.c (start_decl, grokdeclarator, start_function,
3908 store_parm_decls, finish_function): Use MAIN_NAME_P.
3909 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
3910 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
3911 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
3912 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
3914 2000-08-24 Greg McGary <greg@mcgary.org>
3916 * cppfiles.c (actual_directory): Don't write beyond `dir'
3917 when it contains "".
3918 * real.c (asctoeg): Stay within bounds of etens[][].
3920 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3922 * dependence.c (dependence_string, direction_string,
3923 dump_one_node, dump_node_dependence): Hide unused identifiers.
3924 (get_low_bound, normalize_coefficients): Match definition to
3926 (get_one_coefficient): Initialize variables `value0_is_idx' and
3928 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
3929 (ziv_test): Delete variable `idx', use parameter `sub' instead.
3930 (direction_merge): Avoid automatic aggregate initialization.
3931 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
3932 Initialize variables `dest_idx' and `src_idx'.
3933 (end_dependence_analysis): Avoid C89 style function definition.
3935 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
3937 * c-common.c (time_char_table): Don't allow width with %F.
3938 (check_format_info): Don't allow "Z" length with scanf.
3940 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
3942 * diagnostic.c (finish_diagnostic): Define.
3943 (output_do_printf): Use wrap_text instead of output_add_string.
3944 (default_print_error_function): Avoid embedded '\n'.
3946 * diagnostic.h (flush_diagnostic_buffer): Declare.
3948 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
3950 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
3952 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
3954 * Makefile.in (GCC_PASSES): Add specs.
3956 2000-08-23 Jim Wilson <wilson@cygnus.com>
3958 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
3959 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
3960 EHANDLER nor UHANDLER bit is set.
3961 (__get_except_table): Likewise.
3963 2000-08-23 Nick Clifton <nickc@redhat.com>
3965 * config/arm/lib1funcs.asm: Replace upper case condition codes
3966 with lower case versions.
3968 * config/arm/arm.h (STRUCT_VALUE): Define.
3969 (STRUCT_VALUE_REGNUM): Delete.
3971 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
3973 * cpphash.h (IN_I): New flag for directive table.
3974 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
3976 (_cpp_check_directive): If -fpreprocessed, execute directives
3977 marked with IN_I. Issue no warnings in this case.
3978 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
3980 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
3982 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
3984 (check_format_info): Support printf 'I' flag; warn about it with
3987 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
3989 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
3990 barrier can't be ignored by the alias analysis code.
3992 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
3994 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
3995 works inside fixincl.
3997 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
3999 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
4000 simplify_relational_operation() unless both operands are of
4002 * cse.c (fold_rtx): Likewise.
4004 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
4006 * rtlanal.c (rtx_unstable_p): The pic register is stable
4007 (within one function) and the actual rtx should be used
4008 when checking the registers.
4009 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
4011 * alias.c (true_dependence, write_dependence_p): Fix
4012 bug in previous patch.
4014 * i386.c (ix86_GOT_alias_set): New.
4015 (legitimize_pic_address): Use it.
4017 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
4018 only stable if its address is stable.
4019 (rtx_varies_p): An unchanging MEM can't vary if
4020 its address doesn't vary.
4022 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4024 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
4026 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4028 * vax.h (ASM_SPEC): Pass `-J' to assembler.
4029 * x-vax-gcc: New file for bootstrapping with gcc.
4030 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
4031 * configure.in: Use x-vax-gcc with gcc.
4032 * configure: Rebuilt.
4034 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4036 * toplev.c (rest_of_compilation): Rebuild label notes after
4037 post-reload splitting pass if new labels have been created.
4039 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
4041 * diagnostic.h (output_buffer_state): New macro.
4042 * diagnostic.c (diagnostic_for_decl, sorry,
4043 default_print_error_function, output_do_verbatim,
4044 report_diagnostic, report_problematic_module): Use it.
4046 (output_format): Use wrap_text instead of maybe_wrap_text.
4048 2000-08-22 Nick Clifton <nickc@redhat.com>
4050 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
4051 Common code for ARM divide and modulus functions.
4052 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
4054 (FUNC_END): New macro: Common code at the end of the division and
4056 (THUMB_FUNCTION_START): New macro: Common code at the start of
4058 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
4060 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
4062 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
4064 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
4065 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
4068 2000-08-22 Nick Clifton <nickc@redhat.com>
4070 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
4071 restorative additions, test for bottom bits of IP being set,
4072 rather than relying upon the RORs not matching.
4075 2000-08-22 David Edelsohn <edelsohn@gnu.org>
4077 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
4078 text_section() as appropriate instead of emitting text csect
4080 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
4081 (UNIQUE_SECTION): Define macro.
4082 (ASM_OUTPUT_SECTION_NAME): Define macro.
4083 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
4084 on AIX if debugging and -fdata-sections always.
4086 2000-08-22 Steven King <sxking@uswest.net>
4088 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
4090 (LDBL_MAX): Same here.
4092 2000-08-22 Richard Henderson <rth@cygnus.com>
4094 * flow.c (tidy_fallthru_edge): Update b->end properly.
4096 2000-08-22 Stan Cox <scox@redhat.com>
4098 * Makefile.in (OBJS): Add dependence.o.
4099 * dependence.c: New file.
4101 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
4103 * calls.c (check_sibcall_argument_overlap_1): Adjust for
4105 (check_sibcall_argument_overlap): Likewise.
4107 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
4109 * invoke.texi (SH Options): Document -m4-nofpu,
4110 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
4111 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
4113 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
4115 * c-common.c (check_format_info): Give the 'some locales' warning
4116 for strftime %Ey rather than the unconditional 'only last 2 digits
4119 2000-08-22 Richard Henderson <rth@cygnus.com>
4121 * alias.c (init_alias_analysis): Do not register
4122 struct_value_incoming_rtx or static_chain_rtx as pointing
4125 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
4127 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
4129 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
4131 * diagnostic.h (report_problematic_module): Declare.
4132 * diagnostic.c (report_problematic_module): New function.
4133 (report_error_function): Tweak.
4135 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4137 * stmt.c (expand_goto_internal, fixup_gotos): Only check
4138 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
4140 2000-08-21 Richard Henderson <rth@cygnus.com>
4142 * flow.c (calculate_global_regs_live): Mark frame pointer live
4143 everywhere before reload.
4145 2000-08-21 Jim Wilson <wilson@cygnus.com>
4147 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
4148 INTEL_EXTENDED_IEEE_FORMAT.
4149 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
4150 clear last two bytes of output FP value.
4152 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
4154 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
4156 2000-08-21 Jakub Jelinek <jakub@redhat.com>
4158 * unroll.c (loop_find_equiv_value): If ret is modified between
4159 insn and loop_start, ret might not be equivalent to reg.
4161 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
4163 * c-common.c (init_dollar_format_checking,
4164 maybe_read_dollar_number, finish_dollar_format_checking): New
4166 (dollar_arguments_used, dollar_arguments_count,
4167 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
4169 (check_format_info): Support $ formats for scanf and printf width
4170 and precision. Always increment format_chars to advance past the
4171 '*' of precision, not just when the format parameters are
4174 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4176 * mips.c (block_move_loop, expand_block_move,
4177 function_arg_partial_nregs, save_restore_insns, function_prologue,
4178 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
4180 (function_arg_advance, function_arg): Match argument to format
4183 2000-08-21 Nix <nix@esperi.demon.co.uk>
4185 * gcc.c (do_spec_1): Implement %j spec flag.
4186 Remove dead comment.
4188 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
4189 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
4190 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
4191 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
4193 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
4194 writable) instead of hardcoded value.
4196 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
4198 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
4201 * gcc.c (cc1_options): Do not process -o or run the assembler if
4203 * objc/lang-spec.h: Likewise.
4205 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
4207 * fixinc/fixincl.c (fix_with_system): Pipe the output of
4208 "external" fixes through `cat', to avoid truncating the input
4209 file by redirection.
4211 2000-08-21 Jakub Jelinek <jakub@redhat.com>
4213 * config/i386/i386.md (lea_general_1): Copy insn condition to split
4215 (lea_general_2, lea_general_3): Likewise.
4217 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4219 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
4220 warnings to user code.
4222 * c-lex.c (readescape, yylex): Likewise.
4224 * c-typeck.c (store_init_value, process_init_element): Likewise
4225 (c_expand_start_case): Format.
4227 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
4229 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
4231 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
4232 and linker_endian_spec to endian_spec.
4233 (ENDIAN_SPEC): Add %{EB} and %{EL}.
4234 (LINK_SPEC): Remove %{EB} and %{EL}.
4235 (ASM_SPEC): Likewise. Use %(endian_spec).
4237 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
4239 * c-tree.h (flag_hosted): Move declaration from here...
4240 * c-common.h (flag_hosted): ... to here.
4241 (flag_noniso_default_format_attributes): New declaration.
4242 * c-decl.c (flag_noniso_default_format_attributes): New variable.
4243 (c_decode_option): Set it appropriately for options choosing
4244 language standard variant.
4245 * c-common.c (init_function_format_info): Only provide default
4246 format attributes if flag_hosted. Only provide the gettext
4247 formats if flag_noniso_default_format_attributes. Update
4249 (check_format_info): Disable treatment of %a as a scanf flag in
4252 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
4254 * c-common.c (scan_char_table): Add 'w' to flags for all formats
4256 (check_format_info): Set 'wide' for scanf format widths. Warn for
4257 a zero scanf width. Make the check for writing into a constant
4258 object at the first level of indirection; at later levels, warn if
4259 any type qualifiers are encountered.
4261 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
4263 * reload.c (reload_inner_reg_of_subreg): New function broken out of
4265 (push_reload): Use reload_inner_reg_of_subreg.
4266 (combine_reloads): Do not combine reloads if the input reload
4267 is a SUBREG in which the inner part will need reloading.
4269 * global.c (global_alloc): Avoid passing dumpfile argument to
4271 * toplev.c (rest_of_compilation): Likewise.
4272 * reload.h (reload): Remove dumpfile argument. Callers changed.
4273 (debug_reload, debug_reload_to_stream): Move prototypes here.
4274 * rtl.h (reload): Remove dumpfile argument.
4275 * reload.c (debug_reload): Remove prototype.
4276 (debug_reload_to_stream): Likewise.
4277 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
4280 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
4282 * diagnostic.c (context_as_prefix): Export.
4283 (need_error_newline): Remove.
4284 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
4285 (error_module_changed, record_last_error_module,
4286 error_function_changed, record_last_error_function): New functions.
4287 (initialize_diagnostics): Default intialize
4288 lang_diagnostic_starter, lang_diagnostic_finalizer.
4289 (init_output_buffer): Tweak.
4290 (file_name_as_prefix): New function.
4291 (announce_function, default_print_error_function,
4292 report_error_function, set_diagnostic_context): Tweak.
4294 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
4296 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
4297 condition expression.
4299 2000-08-20 Richard Henderson <rth@cygnus.com>
4301 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
4303 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
4305 * cppinit.c (cpp_init): Set global flag when called.
4306 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
4308 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
4310 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
4311 before `process_directive' so that newlines won't be missed
4313 (cpp_printf): Increment `print->lineno' when newline is emitted.
4315 * cppmain.c (cb_ident): Likewise.
4316 (cb_define): Likewise.
4317 (cb_undef): Likewise.
4318 (cb_include): Likewise.
4319 (cb_def_pragma): Likewise.
4320 (dump_macros_helper): Likewise.
4322 2000-08-20 Richard Henderson <rth@cygnus.com>
4324 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
4325 assigned before a loop.
4327 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
4328 (ashrsi3, lshrsi3): Likewise.
4330 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
4332 * c-lang.c: #include diagnostic.h
4333 (c_tree_printer): New function.
4334 (lang_init): Initialize lang_printer.
4336 * Makefile.in (c-lang.o): Depends on diagnostic.h
4338 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
4340 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
4342 * diagnostic.c (default_diagnostic_starter,
4343 default_diagnostic_finalizer): New functions.
4344 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
4345 (pedwarn, pedwarn_with_file_and_line, error,
4346 error_with_file_and_line, fatal, warning,
4347 warning_with_file_and_line): Adjust call to report_diagnostic.
4348 (report_diagnostic): Rework.
4349 (set_diagnostic_context): New function.
4351 * diagnostic.h (struct diagnostic_context): New data structure.
4352 (diagnostic_message, diagnostic_argument_list,
4353 diagnostic_file_location, diagnostic_line_location,
4354 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
4355 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
4356 (set_diagnostic_context): Declare.
4357 (report_diagnostic): Change prototype.
4359 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
4361 * fix-header.c (main): Initialize cpplib.
4363 2000-08-19 Michael Meissner <meissner@redhat.com>
4365 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
4366 instructions in it before checking for indirect jumps.
4368 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
4369 in a indirect jump as a potential for conditional execution.
4371 * d30v.h (d30v_init_expanders): Don't declare here.
4372 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
4375 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
4377 * cpp.texi: Add @section for assertions.
4379 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
4381 * loop.c (scan_loop): Use CONST_CALL_P instead of
4382 checking for REG_LIBCALL / REG_RETVAL.
4384 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
4386 * reload1.c (reload_as_needed): Accept dumpfile argument,
4387 pass it to emit_reload_insns.
4388 (emit_reload_insns): Add new dumpfile argument. If non-null
4389 then dump the reloads for each insn into the dumpfile.
4390 (reload): Pass dumpfile to reload_as_needed.
4392 * invoke.texi: Clean up linux-gnu vs linux comments.
4394 2000-08-19 Richard Henderson <rth@cygnus.com>
4396 * config/ia64/ia64.c (reg_or_5bit_operand): New.
4397 (ia64_depz_field_mask): New.
4398 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
4399 (PREDICATE_CODES): Update.
4400 * config/ia64/ia64.md: Update commentary.
4401 (depz_internal): New.
4402 (ashlsi3): Implement directly.
4403 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
4404 (ashldi3): Use shladd.
4405 * config/ia64/ia64-protos.h: Update.
4407 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
4409 * toplev.c (independent_decode_option): Always process -g.
4410 Remove third argument, now unused. Adjust caller to match.
4412 2000-08-18 Richard Henderson <rth@cygnus.com>
4414 * combine.c (make_compound_operation): Break after creating
4417 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
4419 * cpplib.c (cpp_register_pragma_space): Just return if the
4420 namespace is already registered.
4422 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
4424 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
4425 constant amount. Do not generate ROTL instruction.
4427 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
4429 * config/sh/elf.h: Do not include sh/sh.h.
4430 * config/sh/rtems.h: Likewise.
4431 * config/sh/rtemself.h: Do not include sh/elf.h.
4432 * configure.in: Get them included with `tm_file's.
4433 * configure: Rebuilt.
4435 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
4436 * config/sh/sh.c (fpscr_set_from_mem): Use them.
4438 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4440 * stor-layout.c (compute_record_type): Don't use mode of single
4441 field as mode of record if not integer mode of same type.
4443 * regmove.c (perhaps_ends_bb_p): New function.
4444 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
4445 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
4446 (fixup_match_1): Likewise.
4447 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
4448 avoid signed/unsigned warnings.
4450 * function.c (fixup_var_refs_1, case MEM): Update CODE after
4453 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
4455 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
4456 (_cpp_trigraph_map): Declaration moved from cpplex.c
4458 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
4459 instead of 256. Use consistent test for designated initializers.
4460 (cpp_init): Initialize trigraph_map.
4461 (initialize_standard_includes, parse_option): Use memcmp
4464 * cpplex.c (init_trigraph_map): Remove.
4465 (trigraph_ok, trigraph_replace, lex_line): Refer to
4468 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
4469 (do_unassert): Remove unused "next" local.
4471 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
4473 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
4475 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
4478 2000-08-17 Richard Henderson <rth@cygnus.com>
4480 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
4481 the first insn in a sequence.
4483 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
4485 * alias.c (true_dependence, write_dependence_p): A read
4486 involving a label_ref or the constant pool doesn't create
4489 * rtl.h (unchanging): Improve documentation.
4491 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
4493 * cse.c (insert_regs): Remove unused `regno'.
4495 2000-08-17 Neil Booth <NeilB@earthling.net>
4497 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
4498 remove_dup_dirs. If qtail == brack, remove brack not
4500 (remove_dup_dir, remove_dup_dirs): New functions.
4502 2000-08-17 Neil Booth <NeilB@earthling.net>
4504 * cppinit.c (cpp_cleanup): Free include dir chains.
4505 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
4506 (do_unassert): Free the assert with _cpp_free_definition.
4507 * cppmacro.c (_cpp_free_definition): Free memory allocated for
4508 assertions. Make the node a T_VOID node.
4510 2000-08-17 Neil Booth <NeilB@earthling.net>
4512 * cppinit.c (path_include, append_include_chain):
4513 Remove 2nd parameter (struct cpp_pending *).
4514 (path_include, initialize_standard_includes, cpp_handle_option):
4515 Update callers appropriately.
4516 (cpp_handle_option): Use pend.
4518 2000-08-17 Neil Booth <NeilB@earthling.net>
4520 * cppinit.c (sort_options): Remove, put functionality in
4523 (initialize_builtins): Free memory.
4524 (cpp_start_read): Move init_IStable to cpp_init.
4526 * cpplib.h (cpp_init): New prototype.
4527 * cppmain.c (main): Call cpp_init.
4529 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
4531 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
4532 (rtx_unstable_p, rtx_varies_p): Process vectors.
4534 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
4536 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
4537 references to GLOBAL symbols. Use LOCAL where appropriate.
4539 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4541 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
4542 use t-aix41 when host == target.
4544 2000-08-16 Richard Henderson <rth@cygnus.com>
4546 * reload.c (push_secondary_reload): Revert last change.
4547 If we use a reload_in/out pattern, make the when the same
4548 as the primary reload.
4549 (find_reloads): Likewise.
4551 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
4553 * configure.in (libstdcxx-v3): Fix test.
4554 * configure: Regenerate.
4556 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4558 * calls.c (calls_function_1, expand_call): Only test
4559 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
4560 * function.c (thread_prologue_and_epilogue_insns): Likewise.
4562 2000-08-16 Richard Henderson <rth@cygnus.com>
4564 * combine.c (simplify_shift_const): Revert previous two
4565 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
4566 before the main loop.
4568 2000-08-15 Richard Henderson <rth@cygnus.com>
4570 * combine.c (simplify_shift_const): Bound shift count when
4573 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4575 * calls.c (ECF_SP_DEPRESSED): New macro.
4576 (calls_function_1): Treat calling sp-depressed function as alloca.
4577 (emit_call_1): Don't adjust SP if calling sp-depressed function.
4578 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
4579 If sp-depressed, ensure block saves and restores SP.
4580 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
4582 * function.c (keep_stack_depressed): New function.
4583 (thread_prologue_and_epilogue_insns): Call it.
4584 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
4585 to print DECL_OFFSET_ALIGN.
4586 Print no-force-blk and transparent-union flags properly.
4587 * stmt.c (expand_goto_internal): Don't restore stack if last block
4588 and function returns with sp depressed.
4589 (fixup_gotos): Likewise.
4590 (save_stack_pointer): New function, from code in expand_decl.
4591 (expand_decl): Call new function.
4592 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
4593 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
4594 (save_stack_pointer): New declaration.
4596 * diagnostic.c (fatal_function): New variable.
4597 (set_fatal_function): New function.
4599 * diagnostic.h (set_fatal_function): New declaration.
4601 2000-08-15 William Cohen <wcohen@redhat.com>
4603 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
4604 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
4605 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
4607 2000-08-15 Richard Henderson <rth@cygnus.com>
4609 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
4611 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
4613 * arm.c (arm_function_ok_for_sibcall): New function.
4614 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
4615 * arm.md (call expanders): Don't check here for calls that can't
4618 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
4620 * arm.md (splits generating cond_exec): Disable.
4622 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
4624 * arm/linux-elf.h (text_section): Delete declaration.
4626 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
4628 ARM support for unordered FP operations.
4629 * arm-protos.h (arm_comparison_operator): Declare.
4630 * arm.c (arm_comparison_operator): New function.
4631 (arm_select_cc_mode): Add unordered comparison codes.
4632 (get_arm_condition_code): Likewise.
4633 (arm_final_prescan_insn): Can't handle unordered jumps that can't
4634 be done in one insn.
4635 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
4636 * arm.md (all uses of comparison_operator): Replace with
4637 arm_comparison_operator.
4638 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
4640 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
4643 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4645 * gthr-posix.h: Conditionally include <sched.h>; include
4646 <config.h> from libobjc/.
4648 2000-08-14 Richard Henderson <rth@cygnus.com>
4650 * config/i386/i386.c (legitimize_pic_address): Use Pmode
4653 2000-08-14 Richard Henderson <rth@cygnus.com>
4655 * configure.in (ia64-*): Set float_format for i386 long double.
4657 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
4658 as we would for i386 XFmode.
4659 (PUT_REAL): Likewise.
4660 (endian, ereal_atof, real_value_truncate): Likewise.
4661 (ereal_isneg, toe64, etens, make_nan): Likewise.
4662 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
4664 * config/ia64/ia64-protos.h: Update.
4665 * config/ia64/ia64.c (general_tfmode_operand): New.
4666 (destination_tfmode_operand): New.
4667 (tfreg_or_fp01_operand): New.
4668 (ia64_split_timode): New.
4669 (spill_tfmode_operand): New.
4670 (ia64_expand_prologue): Use TFmode not XFmode.
4671 (ia64_expand_epilogue): Likewise.
4672 (ia64_function_arg): Likewise.
4673 (ia64_function_arg_advance): Likewise.
4674 (ia64_return_in_memory): Likewise.
4675 (ia64_function_value): Likewise.
4676 (ia64_print_operand): Likewise.
4677 (ia64_register_move_cost): Set GR<->FR to 5.
4678 (ia64_secondary_reload_class): Get GR for TImode memory op.
4679 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
4680 (ROUND_TYPE_ALIGN): Remove.
4681 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
4682 (INTEL_EXTENDED_IEEE_FORMAT): Define.
4683 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
4684 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
4685 (MODES_TIEABLE_P): Use TFmode, not XFmode.
4686 (CLASS_MAX_NREGS): Likewise.
4687 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
4688 (PREDICATE_CODES): Update.
4689 * config/ia64/ia64.md (movti): New.
4690 (movti_internal): Use a clobber for memory alternatives.
4691 (reload_inti, reload_outti): New.
4692 (movsfcc_astep): Predicate properly.
4693 (movdfcc_astep): Likewise.
4696 (extendsftf2, extenddftf2): New.
4697 (trunctfsf2, trunctfdf2): New.
4698 (floatditf2, fix_trunctfdi2): New.
4699 (floatunsditf2, fixuns_trunctfdi2): New.
4700 (addtf3, subtf3, multf3, abstf2): New.
4701 (negtf2, nabstf2, mintf3, maxtf3): New.
4702 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
4704 (fr_spill): Use TFmode, not XFmode.
4705 (fr_restore): Likewise.
4706 * config/ia64/lib1funcs.asm (__divtf3): New.
4707 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
4709 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4711 * cse.c (fold_rtx): Avoid empty body in an if-statement.
4713 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
4714 `U' integer constant suffix.
4716 * dwarf2out.c (add_subscript_info): Avoid empty body in an
4719 * sparc/sol2.h (__enable_execute_stack): Prototype.
4721 2000-08-14 David Edelsohn <edelsohn@gnu.org>
4723 * collect2.c: Remove use of AIX import file.
4725 * longlong.h: Test ARCH_PWR not ARCH_POWER.
4727 * rs6000.c (print_operand, case 'E'): Add else.
4729 2000-08-14 Richard Henderson <rth@cygnus.com>
4731 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
4732 (movdi_symbolic): New.
4734 2000-08-14 Jim Wilson <wilson@cygnus.com>
4736 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
4737 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
4738 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
4741 2000-08-14 Richard Henderson <rth@cygnus.com>
4743 * expr.c (emit_group_load): Don't force constants into registers.
4744 Special case source already in the correct mode.
4746 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
4748 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
4749 * fixinc/inclhack.def: Likewise.
4750 * fixinc/mkfixinc.sh: Likewise.
4751 * configure: Regenerate.
4752 * fixinc/fixincl.x: Regenerate.
4753 * install.texi: Document equivalence of linux and linux-gnu.
4755 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4757 * cse.c (insert_regs): Also in REG case: When finding an invalid
4758 value, and we make a new quantity, make sure that it won't be
4759 mistaken by for a valid one by mention_regs.
4761 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
4763 * h8300.md: Remove obsolete peepholes.
4765 2000-08-13 Kazu Hirata <kazu@hxi.com>
4767 * invoke.texi (H8/300 Options): Fix typos.
4768 * config/h8300.c: Fix formatting.
4769 * config/h8300.h: Fix comment typos.
4770 (OVERRIDE_OPTIONS): Fix formatting.
4772 * function.c: Fix formatting.
4774 * cse.c: Fix formatting.
4776 2000-08-13 Geoff Keating <geoffk@cygnus.com>
4778 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
4779 (attempt_auto_inc): Suppress parentheses warning.
4780 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
4781 * loop.c (load_mems): Remove `u' suffix in two places.
4782 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
4784 * config/rs6000/rs6000.h: Likewise.
4785 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
4786 __eabi dummy routine.
4787 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
4790 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
4791 not put stuff in .sdata unnecessarily.
4792 (rs6000_unique_section): New function.
4793 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
4794 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
4796 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
4797 arrays in C99. Don't try to look at DECL_REGISTER of a
4798 COMPONENT_REF. Don't complain twice about the same error.
4800 * fixinc/inclhack.def (aix_pthread): New fix.
4801 (aix_sysmachine): New fix.
4802 * fixinc/fixincl.x: Regenerate.
4804 * expr.c (expand_expr): Call convert_modes when turning a large
4805 multiply into a small one.
4807 2000-08-12 Geoff Keating <geoffk@cygnus.com>
4809 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
4810 the tree structure an exponent rather than an explicit alignment
4811 so it doesn't overflow.
4812 (SET_DECL_OFFSET_ALIGN): New macro.
4813 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
4814 rather than DECL_OFFSET_ALIGN.
4815 (place_field): Likewise.
4816 * expmed.c (store_bit_field): Abort on align==0 to avoid
4817 antisocial machine behaviour.
4819 2000-08-12 Richard Henderson <rth@cygnus.com>
4821 * sibcall.c (uses_addressof): Accept both addressof and
4822 current_function_internal_arg_pointer inside a mem.
4823 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
4824 if current_function_uses_addressof.
4825 * stmt.c (expand_return): Kill tail recursion and HAVE_return
4828 2000-08-11 Richard Henderson <rth@cygnus.com>
4830 * config/ia64/ia64.md (addsi3): Remove expander.
4831 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
4832 (*addsi3_shladd): New.
4834 2000-08-11 Richard Henderson <rth@cygnus.com>
4836 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
4837 (do_restore): Likewise.
4838 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
4839 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
4840 (rtx_needs_barrier): Track actual bit manipulation for
4841 ar.unat moves, gr_spill, and gr_restore.
4842 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
4843 (process_set): Don't handle varargs spills.
4844 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
4845 .mem.offset here instead of in process_set.
4846 (gr_restore): Likewise.
4848 2000-08-11 Richard Henderson <rth@cygnus.com>
4850 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
4852 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
4854 * gcc.texi (The Configuration File): Document
4855 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
4856 UPDATE_PATH_HOST_CANONICALIZATION.
4858 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4860 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
4861 unprototyped function pointer casts on integer constants.
4863 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
4865 * fixproto: Recognize DOS paths with drive letters as absolute paths.
4867 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
4869 * extend.texi (Volatiles): Fix typos.
4871 2000-08-11 Kazu Hirata <kazu@hxi.com>
4873 * flow.c: Fix formatting.
4875 2000-08-11 Richard Henderson <rth@cygnus.com>
4877 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
4878 pattern, always allocate a tertiary scratch register.
4880 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
4881 (reload_inhi): Likewise.
4883 2000-08-11 Richard Henderson <rth@cygnus.com>
4885 * function.c (put_reg_into_stack): Allow type to be NULL.
4886 (schedule_fixup_var_refs): Likewise.
4887 (gen_mem_addressof): Allow decl to be NULL.
4888 (put_addressof_into_stack): Likewise.
4890 * flow.c (merge_blocks_nomove): Be more careful about
4891 locating the beginning of block A.
4893 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
4895 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4900 * config.in: Reverted the check for <sched.h>.
4902 2000-08-10 Chris Demetriou <cgd@sibyte.com>
4904 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
4905 macros define the name of CTOR and DTOR sections.
4906 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
4907 DTOR_LIST_END): Change to use attributes to specify
4909 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
4910 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
4911 DTOR_LIST_END): Same as in mips/elf.h.
4913 2000-08-10 Drew Moseley <dmoseley@redhat.com>
4915 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
4916 disabling just crt0.o.
4918 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
4920 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
4921 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
4922 (EXTRA_SPECS): Add them.
4923 * arm/lib1funcs.asm: Support builds for interworking.
4924 Use macros to eliminate duplicated pieces of code.
4926 2000-08-10 Kazu Hirata <kazu@hxi.com>
4928 * h8300.c (expand_a_rotate): New.
4929 (emit_a_rotate): Likewise.
4930 (h8300_adjust_insn_length): Add support for the rotate insns.
4931 * h8300.md (rotlqi3): New.
4932 (*rotlqi3_1): Likewise.
4933 (rotlhi3): Likewise.
4934 (*rotlhi3_1): Likewise.
4935 (rotlhi3): Likewise.
4936 (*rotlhi3_1): Likewise.
4937 * h8300-proto.h: Add prototypes for expand_a_rotate and
4940 * h8300.c: Fix comment typos.
4941 (dosize): Declare the variable amount as unsigned.
4942 (get_shift_alg): Fix a comparison between signed and unsigned.
4943 (emit_a_shift): Likewise.
4944 (h8300_adjust_insn_length): Simplify the code.
4946 * c-decl.c: Fix formatting.
4948 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4950 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
4951 warning about non-traditional numeric constant suffixes.
4953 * cppexp.c (parse_number): Likewise.
4955 * invoke.texi: (-Wtraditional): Document new behavior.
4957 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4959 * gthr-posix.h: Include auto-host.h. Conditionally include
4961 * configure.in: Check for the <sched.h> header file.
4962 * config.in: Added define for HAVE_SCHED_H.
4964 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4966 * c-typeck.c (process_init_element): For -Wtraditional, warn about
4967 initialization of unions.
4969 * invoke.texi (-Wtraditional): Document new behavior.
4971 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
4973 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
4974 instead of extra_c_flags.
4975 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
4976 * configure: Regenerate.
4977 * config.in: Regenerate.
4979 * cpperror.c (cpp_type2name): New function.
4980 * cpplex.c (lex_line): If we issued an error for an invalid
4981 preprocessing directive, discard that logical line.
4982 * cpplib.c (do_line): Call a hook function if the current file
4983 is renamed by #line.
4984 (do_ident): Pass the contents of the string, not the entire
4985 token, to the callback function.
4986 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
4987 (cb.rename_file): New hook function.
4988 (cb.ident): Adjust prototype.
4989 (cpp_type2name): Prototype.
4990 * cppmacro.c (dump_macro_args): Correct precedence lossage.
4992 * cppmain.c (cb_ident): Update for changed interface.
4993 (cb_rename_file): New function.
4994 (main): Set rename callback.
4996 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
4998 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
4999 multi-word registers.
5001 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
5003 * c-common.c (combine_strings, check_format_info): Refer to ISO C
5004 or ISO C89 instead of ANSI C.
5005 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
5006 build_enumerator, do_case): Likewise.
5007 * c-lex.c (parse_float, yylex): Likewise.
5008 * c-parse.in: Likewise.
5009 * c-typeck.c (common_type, build_array_ref, build_binary_op,
5010 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
5011 build_c_cast, convert_for_assignment, set_init_index,
5012 set_init_label, c_expand_start_case): Likewise.
5013 * toplev.c (documented_lang_options, display_help): Likewise.
5015 2000-08-08 Kazu Hirata <kazu@hxi.com>
5017 * h8300.c: Fix formatting.
5018 * h8300.h: Likewise.
5019 * h8300.md: Likewise.
5020 (movsi_h8300hs): Fix formatting of the resulting assembly code.
5022 * reload1.c: Fix formatting.
5024 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
5026 * alpha/alpha.c (alpha_emit_xfloating_libcall):
5027 Use GEN_CALL_VALUE define.
5028 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
5029 * clipper/clipper.md (untyped_call): Likewise.
5030 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
5031 * fx80/fx80.md (untyped_call): Likewise.
5032 * mips/mips.md (untyped_call): Likewise.
5033 * ns32k/ns32k.md (untyped_call): Likewise.
5034 * pa/pa.md (untyped_call): Likewise.
5035 * romp/romp.md (untyped_call): Likewise.
5036 * sparc/sparc.md (untyped_call): Likewise.
5038 2000-08-08 Jason Eckhardt <jle@cygnus.com>
5040 * config/i860/i860.c (singlemove_string): Do not generate assembler
5041 pseudo instructions that must be expanded (that is, with signed
5042 constants larger than 16 bits).
5044 2000-08-08 Richard Henderson <rth@cygnus.com>
5046 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
5047 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
5048 (init_propagate_block_info): Don't kill memory stores at -O0.
5049 (mark_set_1, mark_used_regs): Likewise.
5051 2000-08-08 David Edelsohn <edelsohn@gnu.org>
5053 * rs6000.c (optimization_options): Decorate 'level' as
5055 (mask64_operand): Remove sign-extend thinko.
5056 (rldic_operand): New function.
5057 (load_multiple_operation): regno's are unsigned ints.
5058 (store_multiple_operation): Likewise.
5059 (lmw_operation): Likewise.
5060 (stmw_operation): Likewise.
5061 (includes_lshift_p): shift_mask is unsigned int.
5062 (includes_lshift64_p): New function.
5063 (addrs_ok_for_quad_peep): unsigned int reg1.
5064 (print_operand): Consistently add "else" after
5065 output_operand_lossage().
5066 (print_operand, case 'b'): Fold in case 'W'.
5067 (print_operand, case 'W'): Print rldic MB value.
5068 (output_epilogue): Update Objective-C language string.
5069 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
5070 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
5071 * rs6000.md (ashldi3): Add rldic instruction.
5072 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
5073 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
5076 2000-08-08 Richard Henderson <rth@cygnus.com>
5078 * config/ia64/ia64-protos.h: Remove duplicates. Update
5079 for massive code rearrangements.
5080 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
5081 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
5082 (ia64_local_regs, ia64_need_regstk): Remove.
5083 (ar_ccv_reg_operand): New.
5084 (ia64_gp_save_reg): New.
5085 (struct ia64_frame_info): Combine most of the size elements;
5086 add new gr save elements.
5087 (find_gr_spill): New.
5088 (next_scratch_gr_reg): New.
5089 (mark_reg_gr_used_mask): New.
5090 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
5091 to GR backing store regs when possible.
5092 (ia64_initial_elimination_offset): New.
5093 (ia64_rap_fp_offset): Remove.
5094 (save_restore_insns): Remove.
5095 (setup_spill_pointers): New.
5096 (finish_spill_pointers): New.
5097 (spill_restore_mem): New.
5098 (do_spill, do_restore): New.
5099 (ia64_expand_prologue): Rewrite to use them.
5100 (ia64_expand_epilogue): Likewise.
5101 (ia64_direct_return): Update for current_frame_info changes.
5102 (ia64_function_prologue): Simplify .prologue emission. Emit
5104 (ia64_setup_incoming_varargs): Don't ever emit rtl.
5105 (ia64_dbx_register_number): New.
5106 (ia64_initialize_trampoline): New.
5107 (ia64_secondary_reload_class): Request GR_REGS for integer
5108 arithmetic destined for FR_REGS.
5109 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
5110 (ia64_mark_machine_status): Mark ia64_gp_save.
5111 (rws_access_regno): Rename from rws_access_reg; don't treat
5112 predicates specially.
5113 (rws_access_reg): New. Update all callers.
5114 (rtx_needs_barrier): Remove dead unspecs.
5115 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
5116 (ia64_encode_section_info): Silence signed/unsigned warnings.
5117 (spill_offset, sp_offset, spill_offset_emitted): Remove.
5118 (tmp_reg, tmp_saved): Remove.
5119 (process_set): Rewrite to expect complicated bits via
5120 REG_FRAME_RELATED_EXPR.
5121 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
5122 in the use of ar.ccv; never set RTX_UNCHANGING_P.
5123 (ia64_expand_op_and_fetch): Likewise.
5124 (ia64_expand_compare_and_swap): Likewise.
5125 (ia64_expand_builtin): Likewise.
5126 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
5127 (FIRST_PSEUDO_REGISTER): Update.
5128 (AR_M_REGNO_P): Update.
5129 (FIXED_REGS): Don't mark three local registers as used.
5130 (EXTRA_CC_MODES): New.
5131 (SELECT_CC_MODE): New.
5132 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
5133 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
5134 (FRAME_GROWS_DOWNWARD): Unset.
5135 (STARTING_FRAME_OFFSET): Zero.
5136 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
5137 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
5138 (HARD_FRAME_POINTER_REGNUM): New.
5139 (CAN_DEBUG_WITHOUT_FP): Define.
5140 (TRAMPOLINE_TEMPLATE): Remove.
5141 (TRAMPOLINE_SIZE): Lower to 32.
5142 (TRAMPOLINE_ALIGNMENT): Lower to 64.
5143 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
5144 (PREDICATE_CODES): Update.
5145 (struct machine_function): Add ia64_gp_save.
5146 * config/ia64/ia64.md: Purge unused unspecs.
5147 (movsi patterns): Allow moves to/from AR_M_REGS.
5148 (movdi patterns): Allow moves to/from p0.
5149 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
5150 (gr_spill, gr_restore): Indicate ar.unat read/written.
5151 (nonlocal_goto): Don't pass old frame_pointer.
5152 (nonlocal_goto_receiver): Remove.
5153 (exception_receiver): New.
5154 (builtin_setjmp_setup): New.
5155 (builtin_setjmp_receiver): New.
5156 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
5157 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
5158 (__ia64_restore_stack_nonlocal): Likewise.
5159 (__ia64_trampoline): New.
5160 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
5162 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
5164 2000-08-08 Richard Henderson <rth@cygnus.com>
5166 * frame.h (ia64_frame_state): Add my_psp.
5167 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
5168 (__throw): Pass it in. Don't clobber r7.
5169 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
5170 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
5171 and nothing to do with sp.
5172 (normalize_reg_loc): Use frame->my_psp.
5173 (frame_translate): Handle frame-pointer-less functions. Set
5174 spill_base correctly, in absence of being told.
5175 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
5176 (__ia64_backtrace_helper): New sp argument. Use
5177 builtin_return_address instead of label addresses.
5178 (print_record) [mem_stack_v]: No size member.
5180 2000-08-08 Richard Henderson <rth@cygnus.com>
5182 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
5184 2000-08-08 Richard Henderson <rth@cygnus.com>
5186 * tm.texi (LOCAL_REGNO): Document.
5187 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
5188 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
5189 * reload1.c (reload): Likewise when considering nonlocal labels.
5191 * config/ia64/ia64.h (LOCAL_REGNO): New.
5192 * config/sparc/sparc.h (LOCAL_REGNO): New.
5194 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
5196 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
5198 2000-08-07 Nick Clifton <nickc@redhat.com>
5200 * config/mips/mips.c: Fix compile time warning messages.
5201 * config/mips/mips-protos.h: Add prototype for equality_op.
5203 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
5205 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
5207 * mn10300.md: Use nonimmediate_operand instead of general_operand
5210 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
5212 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
5214 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
5215 * sh.c (expand_block_move): Break long lines.
5216 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
5217 * sh.md (mulsi3): Likewise.
5218 (movdi): Adjust spacing.
5220 2000-08-07 Richard Henderson <rth@cygnus.com>
5222 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
5223 * expr.c (emit_group_store): Don't set it.
5225 2000-08-07 Kazu Hirata <kazu@hxi.com>
5227 * invoke.texi (Options for Debugging Your Program or GCC): Remove
5228 duplicate entries for 'w' and 'z'.
5230 * flow.c: Fix a comment typo.
5232 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
5234 * c-parse.in: Changed the language string for Objective-C to "GNU
5237 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
5239 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
5240 to improve the Posix thread support for Objective-C.
5242 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
5244 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
5245 CTI_UNSIGNED_PTRDIFF_TYPE.
5246 (signed_size_type_node): Define.
5247 (unsigned_ptrdiff_type_node): Define.
5248 * c-decl.c (init_decl_processing): Create the
5249 signed_size_type_node and unsigned_ptrdiff_type_node types.
5250 * c-common.c (T_SC): Define.
5253 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
5254 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
5256 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
5257 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
5258 flags for %c, %s and %[.
5259 (check_format_info): Only allow leniency for signedness of targets
5260 of character pointers (when pedantic) for formats flagged with
5261 "c", so for strings but not for %hh formats. When pedantic, don't
5262 allow character pointers to substitute for void pointers if a
5263 second level of indirection is present.
5265 2000-08-06 Kazu Hirata <kazu@hxi.com>
5267 * invoke.texi (Options for Debugging Your Program or GCC): Update
5268 the names of dump files.
5270 * h8300.c (dosize): Rearrange code for conciseness.
5271 (split_adds_subs): Likewise.
5273 * loop.c: Fix formatting.
5275 * dwarf2out.c: Fix formatting.
5277 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
5279 * expr.c: Fix formatting.
5281 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5283 * rs6000.c (rs6000_maybe_dead): Prototype.
5285 2000-08-06 Richard Henderson <rth@cygnus.com>
5287 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
5288 HAVE_nonlocal_goto as well.
5289 * config/i960/i960.md (nonlocal_goto): Don't do it here.
5290 * config/pj/pj.md (nonlocal_goto): Likewise.
5292 2000-08-07 Michael Hayes <mhayes@cygnus.com>
5294 * loop.c (try_swap_copy_prop): New function.
5295 (load_mems): Rename copies to load_copies and add new regset
5296 store_copies. Check for sets of shadow registers and mark
5297 in store_copies. Call try_swap_copy_prop for registers
5298 marked in store_copies.
5300 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
5302 * objc/objc-act.c: New command line option -fconstant-string-class
5303 to allow specifying a user defined constant string class,
5304 different from NXConstantString.
5306 * toplev.c: Moved the Objective-C specific options to
5307 objc/lang-options.h.
5309 * objc/lang-options.h: Moved the Objective-C specific options from
5310 toplev.c. Added -fconstant-string-class.
5312 2000-08-05 Chris Demetriou <cgd@sibyte.com>
5314 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
5315 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
5316 __CTOR_LIST__ from func_ptr array to just func_ptr, to
5317 avoid extra alignment imposed on arrays.
5318 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
5319 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
5321 * mips.h: Clean up comments and spacing near MASKs.
5322 (TARGET_UNIX_ASM): Delete.
5323 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
5324 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
5327 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
5329 * c-common.c (print_char_table): Add entries for the X/Open '
5330 format flag (print decimals with locale's thousands grouping
5331 character). Make %C expect wint_t.
5332 (check_format_info): If pedantic, warn when the %n$ operand
5333 number form is used. Allow for the ' flag; warn about it if
5336 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
5338 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
5339 type is a float mode, cfun->decl's return type is not, and
5340 TARGET_FLOAT_RETURNS_IN_80387.
5342 2000-08-04 Andreas Schwab <schwab@suse.de>
5344 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
5345 token list, which are always `#' and `pragma'.
5347 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
5349 * tree.c (tree_expr_nonnegative_p): Move to...
5350 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
5351 (rtl_expr_nonnegative_p): New.
5352 * tree.h: Add prototype for rtl_expr_nonnegative_p.
5354 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
5355 CONST_DOUBLE_CHAIN: Move to...
5356 * rtl.h: ...here. Use XCINT/XCEXP.
5358 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
5359 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
5360 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
5363 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
5365 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5367 * config/c4x/c4x.md (return_indirect_internal): New.
5368 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
5370 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
5372 * c-common.c (time_char_table): Mark up formats added in C99 and
5373 make other corrections. %D and %g were added in C99. %Og is an
5374 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
5375 C99. %e was added in C99. %Oj is an extension. %G and %z are in
5376 C99 rather than GNU extensions, but %OG and %Oz are extensions.
5377 %h was added in C99. %C was added in C99. %OY and %OC are
5378 extensions. Add the C99 format %F.
5379 (check_format_info): If pedantic and not in C99 mode, warn for C99
5382 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5384 * function.c (schedule_fixup_var_refs): New function, broken out
5385 of put_reg_into_stack.
5386 (put_reg_into_stack): Use it.
5387 (put_var_into_stack): In CONCAT case, fixup up references for
5388 components only after fixing up references to the whole concat.
5390 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
5392 * alias.c (mark_constant_function): Use INSN_P.
5393 (init_alias_analysis): Likewise.
5394 * combine.c (combine_instructions): Use INSN_P.
5395 (can_combine_p): Likewise.
5396 (try_combine): Likewise.
5397 (distribute_notes): Likewise.
5398 (distribute_links): Likewise.
5399 * cse.c (cse_around_loop): Use INSN_P.
5400 (invalidate_skipped_block): Likewise.
5401 (cse_set_around_loop): Likewise.
5402 (cse_end_of_basic_block): Likewise.
5403 (delete_trivially_dead_insns): Likewise.
5404 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
5405 (unshare_all_rtl_1): Likewise.
5406 (next_cc0_user): Likewise.
5407 (try_split make_insn_raw): Likewise.
5408 (remove_unnecessary_notes): Likewise.
5409 * final.c (shorten_branches): Use INSN_P.
5410 (leaf_renumber_regs): Likewise.
5411 (leaf_renumber_regs_insn): Likewise.
5412 * flow.c (find_label_refs): Use INSN_P.
5413 (verify_wide_reg): Likewise.
5414 (notice_stack_pointer_modification): Likewise.
5415 (count_or_remove_death_notes): Likewise.
5416 (verify_flow_info): Likewise.
5417 (clear_log_links): Likewise.
5418 * function.c (fixup_var_refs_insns): Use INSN_P.
5419 (compute_insns_for_mem): Likewise.
5420 * gcse.c (alloc_gcse_mem): Use INSN_P.
5421 (compute_sets): Likewise.
5422 (compute_hash_table): Likewise.
5423 (classic_gcse): Likewise.
5425 (insert_insn_end_bb): Likewise.
5426 (delete_null_pointer_checks_1): Likewise.
5427 * global.c (expand_preferences): Use INSN_P.
5428 (build_insn_chain): Likewise.
5429 * graph.c (node_data): Use INSN_P.
5430 * haifa-sched.c (priority): Use INSN_P.
5431 (rm_line_notes): Likewise.
5432 (rm_other_notes): Likewise.
5433 (find_insn_reg_weight): Likewise.
5434 (init_target_units): Likewise.
5435 (schedule_block): Likewise.
5436 (compute_block_forward_dependences): Likewise.
5437 (debug_dependencies): Likewise.
5438 (set_priorities): Likewise.
5439 * integrate.c (function_cannot_inline_p): Use INSN_P.
5440 (save_parm_insns): Likewise.
5441 (copy_insn_list): Likewise.
5442 * jump.c (mark_all_labels): Use INSN_P.
5443 (never_reached_warning): Likewise.
5444 * lcm.c (optimize_mode_switching): Use INSN_P.
5445 * local-alloc.c (validate_equiv_mem): Use INSN_P.
5446 (memref_used_between_p): Likewise.
5447 (update_equiv_regs): Likewise.
5448 (block_alloc): Likewise.
5449 (no_conflict_p): Likewise.
5450 * loop.c (scan_loop): Use INSN_P.
5451 (find_and_verify_loops): Likewise.
5452 (count_loop_regs_set): Likewise.
5453 (loop_reg_used_before_p): Likewise.
5454 (strength_reduce): Likewise.
5455 (recombine_givs): Likewise.
5456 (check_dbra_loop): Likewise.
5457 (load_mems): Likewise.
5458 (try_copy_prop): Likewise.
5459 * print-rtl.c (print_rtx): Use INSN_P.
5460 * recog.c (find_single_use): Use INSN_P.
5461 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
5462 (next_flags_user): Likewise.
5463 (swap_rtx_condition): Likewise.
5464 * regmove.c (mark_flags_life_zones): Use INSN_P.
5465 (optimize_reg_copy_1): Likewise.
5466 (optimize_reg_copy_2): Likewise.
5467 (optimize_reg_copy_3): Likewise.
5468 (reg_is_remote_constant_p): Likewise.
5469 (fixup_match_2): Likewise.
5470 (regmove_optimize): Likewise.
5471 (fixup_match_1): Likewise.
5472 * regrename.c (build_def_use): Use INSN_P.
5473 (replace_reg_in_block): Likewise.
5474 (consider_use): Likewise.
5475 * reload.c (find_equiv_reg): Use INSN_P.
5476 * reload1.c (reload): Use INSN_P.
5477 (maybe_fix_stack_asms): Likewise.
5478 (calculate_needs_all_insns): Likewise.
5479 (reload_as_needed): Likewise.
5480 (emit_output_reload_insns): Likewise.
5481 (delete_address_reloads_1): Likewise.
5482 (reload_cse_regs_1): Likewise.
5483 (reload_combine): Likewise.
5484 (reload_cse_move2add): Likewise.
5485 * reorg.c (redundant_insn): Use INSN_P.
5486 (dbr_schedule): Likewise.
5487 * resource.c (find_dead_or_set_registers): Use INSN_P.
5488 (mark_target_live_regs): Likewise.
5489 * rtlanal.c (reg_used_between_p): Use INSN_P.
5490 (reg_referenced_between_p): Likewise.
5491 (reg_set_between_p): Likewise.
5492 (reg_set_p): Likewise.
5493 (single_set): Likewise.
5494 (multiple_sets): Likewise.
5495 (find_last_value): Likewise.
5496 (reg_set_last): Likewise.
5497 (find_reg_note): Likewise.
5498 (find_regno_note): Likewise.
5499 * sibcall.c (sequence_uses_addressof): Use INSN_P.
5500 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
5501 * ssa.c (find_evaluations): Use INSN_P.
5502 (rename_block): Likewise.
5503 (rename_equivalent_regs): Likewise.
5504 * unroll.c (loop_find_equiv_value): Use INSN_P.
5505 (set_dominates_use): Likewise.
5506 * varasm.c (mark_constant_pool): Use INSN_P.
5507 (mark_constants): Likewise.
5508 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
5509 (alphaev4_next_group): Likewise.
5510 (alphaev5_next_group): Likewise.
5511 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
5512 (c4x_rptb_rpts_p): Likewise.
5513 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
5514 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
5515 (rs6000_adjust_priority): Likewise.
5516 * config/sh/sh.c (sh_loop_align): Use INSN_P.
5517 (machine_dependent_reorg): Likewise.
5518 (split_branches): Likewise.
5519 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
5521 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
5523 * combine.c (recog_for_combine): Remove the old notes
5524 prior to attempting to recognize the new pattern.
5525 (distribute_notes): Ignore REG_NONNEG notes.
5527 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
5529 * varasm.c (output_constructor): Add .align 0 for packed vars.
5531 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5533 * configure.in: Use default thread_file even when enable_threads is
5534 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
5535 * configure: Rebuilt.
5537 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
5539 2000-08-04 Donn Terry (donnte@microsoft.com)
5541 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
5543 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
5545 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
5546 Delete code that conditionally modifies 'version'.
5547 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
5548 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
5549 * gcc.c (main): Use it.
5550 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
5551 * prefix.c (update_path): Use it.
5552 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
5553 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
5554 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
5556 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
5557 (SUBTARGET_SWITCHES): Adjust.
5558 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
5560 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
5562 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
5564 * c-common.h (flag_isoc94): Declare.
5565 * c-decl.c (flag_isoc94): Define.
5566 (c_decode_option): Set flag_isoc94 as appropriate.
5567 * c-common.c (T_PD, T_IM, T_UIM): Define.
5568 (format_char_info): Add tlen and jlen.
5569 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
5571 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
5573 (time_char_table): Add NULL entries for %t and %j.
5574 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
5575 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
5576 Warn for printf %lf if pedantic and not C99. Don't warn for empty
5577 precision. Allow precision argument to be unsigned int. If
5578 pedantic, warn for %p passed an argument not a pointer to possibly
5579 qualified void or a possibly qualified character type, and for
5580 pointer targets of the wrong sign, except for character pointers.
5582 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
5584 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
5585 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
5586 (wint_type_node): Define.
5587 * c-decl.c (WINT_TYPE): Define.
5588 (init_decl_processing): Create the wint_type_node type.
5589 * c-common.c (T_WI): Define.
5590 (print_char_table): Use T_WI for %lc format.
5592 2000-08-04 Bruce Korb <bkorb@gnu.org>
5594 * fixinc/: Verified that the MSDOS patch does not break
5595 the UNIX functionality and applied the next three patches
5598 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
5600 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
5601 output file with the temporary one by appending ".X" to generate
5602 the temporary fuile's name. If the output file already has an
5603 extension, replace it with ".X".
5605 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
5606 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
5607 reallocate the command buffer while copying the command-line
5608 argument. Redirect the output directly to the temporary file,
5609 instead of going through another temporary file.
5610 (process): Close the temporary file before unlinking it.
5611 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
5612 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
5613 (run_compiles): Pass p_fixd argument to machine_matches, as it
5616 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
5617 environment, assume there are no symlinks in the include
5618 directory. When cleaning up the DONE files, look for them
5619 case-insensitively. Don't try to remove symlinks if they aren't
5622 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
5623 all callers changed. Declare pz "const char *", to avoid compiler
5626 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
5627 Change prototype of make_raw_shell_str.
5629 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
5631 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
5632 (initialize) [__MSDOS__]: Use tempnam.
5633 (initialize): Don't use SIGPIPE if it is not defined.
5635 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
5638 2000-07-25 Bruce Korb <bkorb@gnu.org>
5640 * fixinc/fix*.[ch]: substantially reworked to make it possible
5641 to run this program without using fork(2) or pipe(2) (i.e. in
5644 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
5646 * cppdefault.h (WINT_TYPE): Define.
5647 * cppinit.c (builtin_array): Define __WINT_TYPE__.
5648 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
5649 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
5651 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
5653 * (mips_legitimate_address_p): Don't allow register+offset
5654 if the offset is large and negative, and we are compiling
5655 for 64 bit registers.
5657 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5659 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
5660 insn_code_number + 1.
5662 2000-08-04 Kazu Hirata <kazu@hxi.com>
5664 * h8300.c (function_prologue): Rearrange code for conciseness.
5665 (function_epilogue): Likewise.
5666 * h8300.h (OK_FOR_U): Fix formatting.
5668 * cse.c: Fix a comment typo. Fix formatting.
5670 2000-08-03 Richard Henderson <rth@cygnus.com>
5672 * config/i386/i386.md (return_indirect_internal): New.
5673 * config/i386/i386.c (ix86_expand_epilogue): Use it.
5675 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
5677 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
5679 (lex_line): Glue @ onto the beginning of identifiers and
5680 string constants, in Objective-C mode.
5681 (output_token, spell_token): Handle CPP_OSTRING.
5682 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
5683 beginning of a NAME or a STRING, in objc mode.
5685 * cpplib.c (get_define_node): Do not permit identifiers that
5686 begin with @ to be #defined.
5687 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
5688 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
5690 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
5691 * c-tree.h (build_objc_string): Delete prototype.
5692 * objc/objc-tree.def: Delete OBJC_STRING_CST.
5693 * c-lex.c (yylex): Use build_string for all three kinds of strings.
5695 * c-parse.in, objc/objc-act.c: Update commentary.
5697 2000-08-03 Mark Mitchell <mark@codesourcery.com>
5699 * extend.texi: Fix typo in last change.
5701 * extend.texi: Add commentary on statement-expressions and their
5702 interactions with C++.
5704 2000-08-03 Nick Clifton <nickc@cygnus.com>
5706 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
5707 * dwarf.h (LANG_JAVA): Change value to 0x000b.
5709 2000-08-03 Anthony Green <green@cygnus.com>
5711 * dwarf2out.c (gen_compile_unit_die): Add java language support.
5712 (add_bound_info): Check for java language.
5713 (is_java): New function.
5714 * dwarfout.c (output_compile_unit_die): Ditto.
5715 * dwarf.h (dwarf_source_language): Add java source language type.
5716 * dwarf2.h (dwarf_source_language): Ditto.
5718 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
5720 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
5723 * i386.c (ix86_expand_branch): Mode of comparison in
5724 IF_THEN_ELSE is VOIDmode.
5726 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
5728 * gengenrtl.c, rtl.c: Avoid #elif.
5730 2000-08-03 Michael Poole <poole@troilus.org>
5732 * tm.texi (Register Classes): Clarify order of sub-initializers
5733 in REG_CLASS_CONTENTS.
5735 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5737 From SAITOH Masanobu:
5738 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
5740 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
5742 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
5743 is not supported by tradcpp and isn't actually needed for cygwin.
5745 2000-08-03 Kazu Hirata <kazu@hxi.com>
5747 * h8300.c: Fix a comment typo.
5748 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
5750 * jump.c: Fix formatting.
5752 * toplev.c: Fix formatting.
5754 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
5756 * flow.c (find_auto_inc): Verify that we've got a REG before
5757 peeking at its regno. Fail, don't abort if we can't find
5758 the increment of the desired register.
5760 * pa.md (shadd height reduction patterns/splitters): Remove.
5762 2000-08-02 Jim Wilson <wilson@cygnus.com>
5764 * config/ia64/ia64-protos.h (flag_ssa): Declare.
5765 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
5767 2000-08-02 Mark Mitchell <mark@codesourcery.com>
5769 * dce.c: Remove all uses of assert.
5770 * dwarf2out.c: Likewise.
5771 * dwarfout.c: Likewise.
5774 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
5776 * gcc.h (lang_specific_driver): Constify second argument.
5777 * gcc.c (translate_options, process_command, main): Likewise.
5778 Constify variables to match. Cast second argument to
5781 * cppspec.c, gccspec.c: Adjust type of second argument to
5782 lang_specific_driver, and update code as necessary.
5784 2000-08-02 Jakub Jelinek <jakub@redhat.com>
5786 * loop.c (scan_loop): Ensure update_end label does not
5787 go away until reg_scan_update is run.
5789 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
5791 * c-common.h: Prototype min_precision and c_build_qualified_type here...
5792 * c-tree.h: ... not here.
5793 * errors.h: Prototype fancy_abort.
5795 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
5796 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
5797 * regrename.c (regrename_optimize): Make control flow explicit.
5798 (replace_reg_in_block): Initialize reg_use to 0.
5800 * i386.c (legitimate_address_p): Rename error label to
5801 report_error to avoid namespace clash.
5803 2000-08-02 Kazu Hirata <kazu@hxi.com>
5805 * fold-const.c: Fix formatting.
5807 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
5809 * i386.c (legitimate_address_p): Accept other bases than
5810 pic_offset_table_rtx for GOTOFF constructs.
5812 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
5814 * i386.md (shift to lea splitter): Use const_int_operand.
5816 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
5818 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
5819 cppspec.c: Do not use 'legal' or 'illegal' in error messages
5822 * cppmain.c (cb_define, cb_undef): Don't generate any output
5823 if not done_initializing.
5824 * cpplex.c (maybe_paste_with_next): When the token after a ##
5825 is an omitted rest argument, only delete the token before it
5826 if that token is a comma. Do not warn about bogus token
5827 pastes for , ## rest_arg.
5830 * cpp.1: Regenerate.
5832 2000-08-02 Fred Fish <fnf@be.com>
5834 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
5835 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
5838 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
5839 Be directories to search path.
5841 Remove support for __declspec(dllimport) and __declspec(dllexport).
5842 This is leftover cruft from the earlier BeOS gcc port when BeOS
5843 used Microsoft's PE object file format.
5844 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
5845 * config/i386/t-beos (winnt.o): Remove Makefile frag.
5846 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
5847 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
5848 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
5849 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
5850 (REDO_SECTION_INFO_P): Remove.
5851 (ASM_EXPORT_DECL): Remove.
5852 (ASM_DECLARE_FUNCTION_NAME): Remove.
5853 (ASM_DECLARE_OBJECT_NAME): Remove.
5854 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
5855 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
5856 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
5857 (STRIP_NAME_ENCODING): Remove.
5859 Remove support for obsolete version of BeOS that is no longer
5861 * configure.in (i*86-*-beospe*): Remove.
5862 * config/i386/beos-pe.h: Remove.
5864 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
5865 Mark Mitchell <mark@codesourcery.com>
5867 * Makefile.in (OBJS): Added dce.o.
5868 (ssa.o): Updated target to include ssa.h.
5870 (toplev.o): Likewise.
5871 (dce.o): Created target.
5872 * basic-block.h: Added comments.
5873 (INVALID_BLOCK): Added definition.
5874 (connect_infinite_loops_to_exit): Added declaration.
5875 Moved SSA declarations to ssa.h.
5876 * flow.c: Added inclusion of ssa.h.
5877 (struct depth_first_search_dsS, depth_first_search_ds):
5879 (compute_immediate_postdominators): Added definition.
5880 (connect_infinite_loops_to_exit): Likewise.
5881 (flow_dfs_compute_reverse_init): Likewise.
5882 (flow_dfs_compute_reverse_add_bb): Likewise.
5883 (flow_dfs_compute_reverse_execute): Likewise.
5884 (flow_dfs_compute_reverse_finish): Likewise.
5885 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
5886 (LABEL_P): Added definition.
5889 (BARRIER_P): Likewise.
5890 (JUMP_TABLE_DATA_P): Likewise.
5891 (INSN_DEAD_CODE_P): Likewise.
5892 * ssa.c: Replaced inclusions with ssa.h inclusion.
5893 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
5894 (rename_registers): Removed unnecessary variables.
5895 * ssa.h: Created by moving declarations from ssa.c and
5897 * timevar.def: Defined TV_DEAD_CODE_ELIM.
5898 * toplev.c: Added ssa.h inclusion.
5899 (dump_file_index): Added DFI_dce.
5900 (dump_file): Added "dce" entry.
5902 (f_options): Added dce entry.
5903 * invoke.texi: Document -fdce. Emphasize experimental status of
5907 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
5909 * cpperror.c (v_message): Split into _cpp_begin_message and
5910 v_message macro. All callers updated.
5911 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
5914 * cppfiles.c (cpp_syshdr_flags): New function.
5915 (read_include_file): Don't call cpp_output_tokens. Call
5917 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
5918 (cpp_reader_init): Don't initialize token_buffer. Call
5919 _cpp_init_internal_pragmas.
5920 (cpp_cleanup): Don't clear token_buffer.
5921 (cpp_start_read): Don't worry about output from -D processing.
5922 Don't call cpp_output_tokens.
5923 (cpp_finish): Don't dump macros here. Don't call
5925 * cppmacro.c (_cpp_dump_definition): Rename
5926 cpp_dump_definition. Write directly to a FILE *.
5927 (dump_funlike_macro): Delete.
5928 (dump_macro_args): New.
5930 * cpplex.c (TOKEN_LEN): Convert to inline function.
5931 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
5932 cpp_scan_line, _cpp_dump_list): Delete.
5933 (cpp_printf, cpp_output_list): New.
5934 (output_line_command): Don't worry about entering or leaving files.
5935 (cpp_scan_buffer): Just output each token as we hit it.
5936 (process_directive): Don't call cpp_output_tokens.
5937 (_cpp_glue_header_name): Don't use token_buffer.
5938 (output_token, dump_param_spelling): Write directly to a FILE *.
5940 * cpplib.c (pass_thru_directive, dump_macro_name,
5941 pragma_dispatch, do_pragma_gcc): Delete.
5942 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
5943 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
5945 (do_error, do_warning, pragma_dependency): Call
5946 _cpp_begin_message, then cpp_output_list.
5947 (cpp_register_pragma, cpp_register_pragma_space,
5948 _cpp_init_internal_pragmas): New.
5949 (do_pragma): Walk the pragmas table here.
5950 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
5951 do_pragma_dependency): Return void.
5952 (do_pragma_implementation): Moved to cppmain.c.
5954 * cpplib.h: Update prototypes.
5955 (struct cpp_reader): Remove printer, token_buffer,
5956 token_buffer_size, and limit. Add struct cb, and pragmas.
5957 (struct cpp_printer): Remove last_id and written.
5958 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
5959 CPP_ADJUST_WRITTEN): Delete.
5960 * cpphash.h: Update prototypes.
5961 (ufputs): New wrapper.
5963 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
5964 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
5965 (main): Set up callbacks. Register #pragma implementation.
5966 Dump macros from here.
5968 2000-08-01 Geoff Keating <geoffk@cygnus.com>
5970 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
5971 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
5972 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
5973 insns if they have a REG_MAYBE_DEAD note attached.
5974 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
5975 (rs6000_emit_load_toc_table): TOC loads may go dead.
5977 2000-08-01 Jim Wilson <wilson@cygnus.com>
5979 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
5980 type exists before using it. Use number of words as alignment
5982 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
5983 ia64_va_arg): Propagate ia64_function_args changes here.
5985 2000-08-01 Richard Henderson <rth@cygnus.com>
5987 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
5988 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
5990 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
5992 From Joern Rennecke:
5993 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
5994 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
5995 unless TARGET_SH3E is set.
5996 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
5998 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
5999 (ashlsi3_std): New pattern.
6000 (ashlsi3 expander): Use it for TARGET_SH3.
6001 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
6003 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
6005 * loop.c (canonicalize_condition): Use destination, not source to
6006 determine SET's mode.
6008 2000-07-31 Mark Mitchell <mark@codesourcery.com>
6010 * flow.c (clear_log_links): Fix typo.
6012 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
6014 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
6015 on targets which need more than one insn for a compare/cbranch
6018 2000-07-31 Jim Wilson <wilson@cygnus.com>
6020 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
6021 when computing offset.
6023 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
6025 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
6027 2000-07-31 Geoff Keating <geoffk@cygnus.com>
6029 * flow.c (clear_log_links): Nuke global_live_at_start and
6030 global_live_at_end data, since if the log_links stuff is invalid
6031 so is global_live_at_*.
6033 2000-07-31 Richard Henderson <rth@cygnus.com>
6035 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
6037 2000-07-31 Jakub Jelinek <jakub@redhat.com>
6039 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
6040 (_cpp_get_token): Don't macro expand a just pasted token if it
6041 was pasted at no_expand_level.
6043 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
6045 * cppmacro.c (find_param, count_params, save_expansion):
6046 Permit 'defined' as a macro parameter name.
6048 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
6050 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
6051 xcpp to cpp throughout.
6052 (native): Remove unnecessary dependency on cpp.
6054 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
6055 tradcpp to tradcpp0.
6056 (.i spec): Add missing output-file spec to cc1 command line.
6057 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
6059 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
6061 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
6062 (implicit_decl_warning): New function.
6063 (implicitly_declare): Use it.
6064 * c-typeck.c (build_external_ref): Use implicit_decl_warning
6065 to complain about implicit decls of builtins.
6067 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
6068 based on pedantic && flag_isoc99, if not already set.
6069 * c-tree.h: Declare mesg_implicit_function_declaration.
6070 Prototype implicit_decl_warning.
6072 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
6074 * Makefile.in (ssa.o): Updated header files in dependences.
6075 * basic-block.h: Added compute_immediate_postdominators declaration.
6076 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
6078 * flow.c (compute_immediate_dominators): Updated comment.
6079 (compute_immediate_postdominators): Added definition.
6080 * rtl.h (HARD_REGISTER_P): Added definition.
6081 * ssa.c: Include additional header files.
6082 (assert): Added definition.
6083 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
6084 include select hard registers.
6085 (ssa_rename_to_insert): Likewise.
6086 (ssa_rename_from_initialize): Likewise.
6087 (ssa_rename_from_lookup): Likewise.
6088 (original_register): Likewise.
6089 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
6090 include select hard reigsters.
6091 (ssa_rename_from_traverse): Likewise.
6092 (ssa_rename_from_free): Likewise.
6093 (ssa_rename_from_print): Likewise.
6094 (ssa_rename_from_print_1): Likewise.
6095 (ssa_rename_from_hash_function): Likewise.
6096 (ssa_rename_from_equal): Likewise.
6097 (ssa_rename_from_delete): Likewise.
6098 (simplify_to_immediate_dominators): Removed in favor of
6099 flow.c:compute_immediate_dominators.
6100 (find_evaluations_1): Modified to work with hard registers.
6101 (insert_phi_node): Likewise.
6102 (insert_phi_nodes): Likewise.
6103 (struct rename_set_data): Updated prev_reg comment.
6104 (create_delayed_rename): Modified to work with hard registers.
6105 (RENAME_NO_RTX): Updated comment.
6106 (apply_delayed_renames): Modified to work with hard registers.
6107 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
6108 (rename_block): Updated to use revised ssa_rename_to interface.
6109 (rename_registers): Updated to use revised ssa_rename_to and
6110 ssa_rename_from interface.
6111 (convert_to_ssa): Revised to use compute_immediate_dominators and
6112 deal with hard registers.
6113 (make_regs_equivalent_over_bad_edges): Modified to work with hard
6114 registers. Added check for illegal unification of hard register.
6115 (make_equivalent_phi_alternatives_equivalent): Modified to work
6116 with hard registers.
6117 (compute_conservative_reg_partition): Likewise.
6118 (coalesce_if_unconflicting): Modified to work with hard registers
6119 and check for conflicting hard registers.
6120 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
6122 (rename_equivalent_regs_in_insn): Modified to work with hard
6124 (record_canonical_element_1): Added definition.
6125 (check_hard_regs_in_partition): Added definition.
6126 (convert_from_ssa): Added data structure deallocation and check
6127 for illegal hard register unification.
6128 (conflict_hard_regs_p): Added definition.
6129 * toplev.c (rest_of_compilation): Added comment.
6131 2000-07-31 Anthony Green <green@redhat.com>
6133 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
6135 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
6137 * builtins.c (expand_builtin_apply): Don't defer pop during
6140 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6142 * calls.c (combine_pending_stack_adjustment_and_call): Only use
6143 preferred_unit_stack_boundary when it is > 1.
6145 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
6147 * c-common.c (init_function_format_info): Add C99 format functions
6150 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
6151 void' or 'register void' as being the special case of 'void' alone
6152 in a parameter list.
6154 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
6155 discarding qualifiers into a plain warning.
6157 2000-07-31 Kazu Hirata <kazu@hxi.com>
6159 * combine.c: Fix formatting.
6161 * h8300.md: Fix formatting.
6163 * local-alloc.c: Fix formatting.
6165 * h8300.c (get_shift_alg): Remove the variable alg.
6166 (emit_a_shift): Rearrange code to improve readability.
6168 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
6170 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
6171 HImode on all architectures and a combination of HImode and SImode
6172 on H8/300H and H8/S.
6174 * h8300.c (split_adds_subs): Rearrange code for conciseness.
6176 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
6178 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
6181 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
6183 * recog.c (extract_insn): Set operand_mode according to
6184 operand if match_operand is VOIDmode.
6186 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
6188 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
6190 2000-07-31 Geoff Keating <geoffk@cygnus.com>
6192 * c-parse.in (extdefs): Call ggc_collect between external
6195 2000-07-30 Michael Hayes <mhayes@cygnus.com>
6196 Richard Henderson <rth@cygnus.com>
6198 * Makefile.in (OBJS): Add doloop.o.
6199 * doloop.c: New file.
6201 * final.c (insn_current_reference_address): Return 0 before final.
6202 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
6203 * jump.c (any_uncondjump_p): Likewise.
6204 * loop.c (indirect_jump_in_function): Make static.
6205 (strength_reduce): Call doloop_optimize.
6206 (insert_bct, instrument_loop_bct): Remove.
6207 * loop.h (doloop_optimize): Prototype.
6208 * recog.c (split_all_insns): Split all INSN_P.
6209 * toplev.c (flag_branch_on_count_reg): Default on.
6211 * config/c4x/c4x.c (c4x_optimization_options): Don't set
6212 flag_branch_on_count_reg.
6213 * config/i386/i386.c (override_options): Likewise.
6214 * config/rs6000/rs6000.c (optimization_options): Likewise.
6216 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
6218 (dbra_ge): Remove, as well as all it's splitters.
6220 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
6223 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
6224 (ia64_register_move_cost): Declare.
6225 * config/ia64/ia64.c (ar_lc_reg_operand): New.
6226 (struct ia64_frame_info): Add ar_size.
6227 (ia64_compute_frame_size): Set it.
6228 (save_restore_insns): Save and restore ar.lc.
6229 (ia64_register_move_cost): New, moved from header file. Handle
6230 application registers.
6231 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
6232 (emit_insn_group_barriers): Special case doloop_end_internal.
6233 (ia64_epilogue_uses): Mark ar.lc live at end.
6234 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
6235 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
6236 (FIRST_PSEUDO_REGISTER): Make room.
6237 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
6238 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
6239 (REG_ALLOC_ORDER): Update.
6240 (HARD_REGNO_MODE_OK): Update.
6241 (REGISTER_NAMES): Update.
6242 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
6243 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
6244 (REGNO_REG_CLASS): Update.
6245 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
6246 (REGISTER_MOVE_COST): Move out of line.
6247 (PREDICATE_CODES): Update.
6248 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
6249 (addsi3_plus1_alt, adddi3_plus1_alt): New.
6250 (shladd_elim splitter): Allow constants in the predicate.
6251 (doloop_end, doloop_end_internal): New.
6253 2000-07-30 Richard Henderson <rth@cygnus.com>
6255 * genattrtab.c (struct insn_def): Add lineno member.
6256 (struct insn_ent): Likewise.
6257 (struct attr_desc): Likewise.
6258 (struct delay_desc): Likewise.
6259 (struct function_unit_op): Likewise.
6260 (struct function_unit): Likewise.
6261 (check_attr_value): Use message_with_line.
6262 (check_defs): Likewise.
6263 (expand_units): Likewise.
6264 (check_attr_test): Take a lineno argument.
6265 (gen_attr): Likewise.
6266 (gen_insn): Likewise.
6267 (gen_delay): Likewise.
6268 (gen_unit): Likewise.
6269 (main): Give it to them.
6270 (convert_set_attr_alternative): Take an insn_def argument
6271 instead of num_alt and insn_index.
6272 (convert_set_attr): Likewise.
6273 (write_test_expr): Protect INSN_ADDRESSES load
6274 with INSN_ADDRESSES_SET_P.
6276 2000-07-30 Richard Henderson <rth@cygnus.com>
6278 * flow.c (init_propagate_block_info): Use pc_set.
6280 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
6282 * i386.md (*lea_general_[123]) New insns and splits.
6283 (addsi3 to lea splitter): Handle other modes too.
6284 (shlsi3 to lea splitter): Likewise.
6285 (addhi_1_lea, shlhi_1_lea): New patterns.
6286 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
6288 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
6290 * recog.c (general_operand, nonimmediate_operand): Accept
6291 any mode for VOIDmode CONSTANT_P operands.
6293 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
6295 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
6296 instead of replace_rtx.
6297 * recog.c (validate_replace_rtx_subexp): New function.
6298 * recog.h (validate_replace_rtx_subexp): Declare.
6300 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
6302 * combine.c (simplify_set, make_extraction, make_compound_operation
6303 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
6304 as force_to_mode argument.
6306 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
6308 * combine.c (if_then_else_cond): Be sure that mode fits in
6311 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
6313 * combine.c (record_promoted_value): Allow bitsize of mode
6314 to be equivalent to HOST_BITS_PER_WISE_INT.
6316 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
6318 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
6319 Do not call gen_mode_alignment when mode is BLKmode.
6321 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
6323 * loop.c (express_from_1): Fix call of simplify_gen_binary.
6325 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
6327 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
6328 VOIDmode implies both operands to be VOIDmode.
6329 (simplify_ternary_operation): Compute properly the mode of comparison.
6330 * combine.c (combine_simplify_rtx): Likewise.
6332 2000-07-25 Michael Hayes <mph@paradise.net.nz>
6334 * basic-block.h (struct loops): New field rc_order.
6335 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
6336 (flow_loops_free): Free rc_order.
6337 (flow_depth_first_order_compute): New parameter rc_order.
6338 (flow_loops_find): Allocate rc_order and swap usage with
6341 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6342 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6344 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
6345 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
6346 (nodb_call, return_from_epilogue): Likewise.
6347 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
6348 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
6349 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
6350 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
6351 (c4x_valid_type_attribute_p): Likewise.
6352 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
6353 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
6355 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6357 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
6358 and loadhi_big_constant if applicable.
6359 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
6360 and add new splitter.s
6362 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6364 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
6366 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6368 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
6370 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6372 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
6374 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6376 * config/c4x/libgcc.S (divqf3): Improve accuracy.
6378 2000-07-27 Mark Mitchell <mark@codesourcery.com>
6380 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
6381 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
6382 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
6383 (get_prev_bb_note): Likewise.
6384 (remove_scope_notes): Likewise.
6385 * flow.c (commit_one_edge_insertion): Likewise.
6386 (merge_blocks_nomove): Likewise.
6387 (verify_flow_info): Likewise.
6388 * gcse.c (insert_insn_end_bb): Likewise.
6389 * reg-stack.c (emit_swap_insn): Likewise.
6390 * ssa.c (first_insn_after_basic_block_note): New function.
6391 (insert_phi_node): Use it.
6392 (rename_block): Likewise.
6393 (eliminate_phi): Likewise.
6394 (make_regs_equivalent_over_bad_edges): Likewise.
6395 (make_equivalent_phi_alternatives_equivalent): Likewise.
6396 (for_each_successor_phi): Likewise.
6397 (convert_from_ssa): Modify phi-node deletion algorithm.
6399 2000-07-29 Andreas Jaeger <aj@suse.de>
6401 * configure.in (mips*-*-linux*): Use mips*el to check for little
6402 endian MIPS, add tmake_file.
6404 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
6405 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
6406 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
6408 2000-07-28 Richard Henderson <rth@cygnus.com>
6410 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
6411 Sign extend mode size before negating.
6413 2000-07-28 Richard Henderson <rth@cygnus.com>
6415 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
6417 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
6419 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
6420 (cse_insn): Likewise.
6421 (addr_affects_sp_p): Likewise.
6422 * expr.c (move_by_pieces): Likewise.
6423 (clear_by_pieces): Likewise.
6424 * gcse.c (oprs_unchanged_p): Likewise.
6425 * haifa-sched.c (sched_analyze_2): Likewise.
6426 * recog.c (offsettable_address_p): Likewise.
6427 * regclass.c (record_address_regs): Likewise.
6428 * reload.c (find_reusable_reload): Likewise.
6429 (push_reload): Likewise.
6430 (operands_match_p): Likewise.
6431 (decompose): Likewise.
6432 (find_reloads_address_1): Likewise.
6433 (find_inc_amount): Likewise.
6434 * reload1.c (elimination_effects): Likewise.
6435 * resource.c (mark_set_resources): Likewise.
6436 * flow.c (attempt_auto_inc): New function; mostly broken out
6438 (find_auto_inc): Split into two functions and enhanced to
6439 generate POST_MODIFY.
6440 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
6441 * rtl.h (count_all_occurrences): Declare.
6442 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
6444 * rtlanal.c (count_all_occurrences): New function.
6445 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
6446 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
6448 * config/ia64/ia64-protos.h (destination_operand): Declare.
6449 * config/ia64/ia64.c (destination_operand): New function.
6450 (ia64_print_operand): Handle POST_MODIFY.
6451 (rtx_needs_barrier): Likewise.
6452 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
6453 (HAVE_POST_MODIFY_REG): Define to 1.
6454 (MAX_REGS_PER_ADDRESS): Change to 2.
6455 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
6456 (LEGITIMATE_ADDRESS_REG): New helper macro.
6457 (LEGITIMATE_ADDRESS_DISP): Likewise.
6458 (PREDICATE_CODES): Add entry for destination_operand.
6459 * config/ia64/ia64.md (all mov patterns): Use destination_operand
6460 predicate for operand 0.
6462 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6464 * dwarf2out.c: Indent #error directive.
6466 * gbl-ctors.h: Fix typo in comment.
6467 (__do_global_ctors): Prototype.
6469 * gcse.c (record_one_set, pre_delete): Remove unused variables.
6471 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
6472 (print_operand): Initialize variable `t'.
6474 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
6476 * config/arm/arm.md ("call_value"): removed constraints.
6477 Constraints are ignored in expanders.
6478 (*call_value_reg): split =rf into various constraints.
6479 (*call_value_mem): same
6480 (*call_value_symbol): same
6481 (*sibcall_value_insn): same
6483 2000-07-28 Philipp Thomas <pthomas@suse.de>
6485 * install.texi (--enable-nls): Change the description of the NLS
6486 related configure options to match the current state.
6487 (--with-included-gettext): Likewise.
6488 (--enable-maintainer-mode): New description added.
6489 * extend.texi (-fstrict-prototype): Add missing '.'.
6491 2000-07-27 Jim Wilson <wilson@cygnus.com>
6493 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
6494 DECL_INITIAL (decl) == NULL_TREE.
6496 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
6498 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
6499 on insn-attr.h with it.
6500 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
6501 * insn-addr.h: New header.
6502 (insn_addresses_): Renamed from insn_addresses.
6503 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
6504 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
6505 INSN_ADDRESSES_NEW): New macros.
6506 * genattrtab.c (write_test_expr): Use new macros.
6507 * final.c (insn_addresses, init_insn_lengths): Likewise.
6508 (align_fuzz, shorten_branches): Likewise.
6509 (final): Likewise. Do not reject new insns if their addresses
6510 have been added to INSN_ADDRESSES.
6511 * config/arm/arm.c, config/avr/avr.c: Use new macros.
6512 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
6513 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
6514 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
6515 * config/sh/sh.c: Likewise.
6516 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
6518 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
6520 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
6522 * gcc.c (struct prefix_list): Add member priority.
6523 (enum path_prefix_priority): Declare.
6524 (add_prefix): Replace ``first'' with ``priority''. Append new
6525 entry but keep list in priority order.
6526 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
6527 PREFIX_PRIORITY_LAST to add_prefix.
6528 (process_command): Move include kludge - foo/stageN - to before
6531 2000-07-27 Jason Merrill <jason@redhat.com>
6533 * dwarf2out.c (gen_typedef_die): Abort if we get identical
6534 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
6536 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
6538 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
6539 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
6541 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
6543 * c-decl.c (finish_function): Don't treat 'main' specially unless
6544 flag_hosted. In C99 mode, return 0 from 'main' unless
6545 DEFAULT_MAIN_RETURN is otherwise defined.
6547 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
6548 parameters defaulting to int in an old-style function definition.
6550 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6552 * c-parse.in (string): For -Wtraditional, warn about string
6553 concatenation only once per line.
6555 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
6557 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
6558 for HI-UX/WE2 systems.
6560 2000-07-24 Bruce Korb <bkorb@gnu.org>
6562 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
6563 defining the __xxx_TYPE__ macros.
6564 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
6565 * fixincl/fixlib.h: don't need to include "tm.h" anymore
6566 * fixincl/inclhack.def(type_map): now obsolete
6568 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
6570 * cpp.texi: Append a trailing full-stop to xrefs where needed.
6572 2000-07-26 Dave Pitts <dpitts@cozx.com>
6574 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
6576 (mvs_hash_alias): New function.
6577 (mvs_add_alias): Change argument spacing.
6578 (mvs_need_alias): Change aliasing criteria. Added documentation.
6579 (mvs_get_alias): Change to use hashed name. The hashed name prevents
6580 CSECT name collisions.
6581 (mvs_check_alias): Likewise.
6582 (handle_pragma): Change documentation.
6583 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
6584 mode from SImode to DImode.
6585 (iorhi3): Changed LTORG size for insn.
6587 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
6589 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
6590 mem if the address is a mode_dependent_address_p.
6592 2000-07-26 Kazu Hirata <kazu@hxi.com>
6594 * h8300.c (print_operand): Print ":8" when the 'R' operand is
6595 suitable for 8-bit absolute.
6596 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
6597 (OK_FOR_U): Add a case for the 8-bit constant address on the
6600 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
6602 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
6603 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
6604 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
6605 lack of implemented alignment.
6607 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
6609 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
6610 cross-compiling between 64-bit and 32-bit machines.
6612 2000-07-27 Richard Henderson <rth@cygnus.com>
6614 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
6615 (movhicc_astep, movhi_internal_astep): New.
6616 (movsicc_astep, movsi_internal_astep): New.
6617 (movdicc_astep, movdi_internal_astep): New.
6618 (movsfcc_astep, movsf_internal_astep): New.
6619 (movdfcc_astep, movdf_internal_astep): New.
6620 (movxfcc_astep, movxf_internal_astep): New.
6621 (cmovdi_internal_astep, cmovsi_internal_astep): New.
6622 Unify the cmov[ds]i splitters.
6624 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
6626 * real.c (asctoeg): Rename `error' label to unexpected_char_error
6628 2000-07-26 Nick Clifton <nickc@cygnus.com>
6630 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
6631 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
6633 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
6634 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
6636 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
6638 * c-decl.c (finish_enum): Convert enumerations that fit in an
6640 (build_enumerator): In pedantic mode, cast to `int' those that
6643 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
6645 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
6647 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6649 * sh.md (cmpgtdi_t): Must be split.
6650 (cmpgtdi_t+1): New splitter.
6652 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
6654 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
6655 warnings for indented directives even if we are skipping.
6657 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
6659 * invoke.texi (strict-prototypes): Remove.
6660 * extend.texi (Deprecated Features): Add strict-prototypes.
6661 (Backwards Compatibility): New node.
6663 2000-07-25 Jakub Jelinek <jakub@redhat.com>
6665 * config/i386/i386.md (andsi_1+1): Allow HImode.
6666 (andsi_1+2): Require q_regs_operand.
6668 2000-07-25 Jakub Jelinek <jakub@redhat.com>
6670 * config/i386/i386.md (call_pop): Check operands[0],
6671 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
6673 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
6674 (call_value): Likewise.
6676 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
6678 * toplev.c (pipe_closed): Delete.
6679 (crash_signal): New. Generate ICE for a fatal signal.
6680 (float_signal): Call crash_signal outside a float-handler
6682 (main): Install crash_signal as handler for core-dumping signals.
6684 2000-07-25 David Edelsohn <edelsohn@gnu.org>
6686 * rs6000.c (print_operand, case 'T'): New case.
6688 * rs6000.md (call_indirect_aix32): Convert to expander of
6689 scheduled instructions.
6690 (call_indirect_aix64): Likewise.
6691 (call_value_indirect_aix{32,64}): Likewise.
6692 (call, call_value): Invoke expanders for AIX. Fall through to
6694 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
6695 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
6696 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
6697 only "g" constraint.
6698 (call_nonlocal_aix64): Likewise.
6699 (call_value_nonlocal_aix{32,64}): Likewise.
6700 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
6702 (call_value_nonlocal_sysv): New pattern.
6703 (indirect_jump{si,di}): Use new 'T' modifier.
6704 (tablejump{si,di} matchers): Likewise.
6705 (return_internal_{si,di}): Likewise.
6706 (return_eh_{si,di}): Likewise.
6708 2000-07-24 Richard Henderson <rth@cygnus.com>
6710 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
6711 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
6712 * config/ia64/ia64.md (movdi_internal): Use it.
6714 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
6716 * cppexp.c: Warn about unary + if -Wtraditional.
6717 * cpplex.c (lex_line): Always set BOL on the first token of a line.
6719 2000-07-24 Michael Meissner <meissner@redhat.com>
6721 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
6724 2000-07-24 Nick Clifton <nickc@cygnus.com>
6726 * config/arm/arm.c (emit_multi_reg_push): Generate a
6727 REG_FRAME_RELEATED_NOTE that is compatable with the code in
6728 dwarf2out_debug_frame_expr.
6730 2000-07-24 Jason Merrill <jason@redhat.com>
6732 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
6733 UNALIGNED_INT_ASM_OP.
6734 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
6735 a location expression.
6736 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
6737 assume indirect access if we're saving the CFA address exactly.
6739 * Makefile.in (bootstrap): Move -BstageN/ to the end.
6741 2000-07-24 Jakub Jelinek <jakub@redhat.com>
6743 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
6746 2000-07-24 Michael Meissner <meissner@redhat.com>
6748 * invoke.texi (D30V Options): Add d30v options.
6750 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
6752 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
6753 needed by our gcse pass anymore.
6754 (free_pre_mem): Corresponding changes.
6755 (compute_pre_data): Do not call compute_transpout anymore.
6757 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
6758 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
6761 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
6762 (compute_pre_data): Do it here instead.
6764 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
6766 (pre_delete): Corresponding changes.
6768 2000-07-23 Mark Mitchell <mark@codesourcery.com>
6770 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
6771 to figure out whether or not a variable has already been emitted.
6773 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
6775 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
6776 instead of gen_call.
6778 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
6780 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
6782 2000-07-23 Kazu Hirata <kazu@hxi.com>
6784 * h8300.c: Fix formatting.
6786 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
6788 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
6789 for `long' switch expression into a plain warning.
6791 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
6792 (yylex): Don't pedwarn for "inline" in C99 mode.
6794 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
6796 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
6797 ggc_alloc): Likewise.
6798 * bb-reorder.c (dump_scope_forest_1): Likewise.
6800 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
6802 * reload.c (find_reloads_toplev): Add new parameter
6804 (find_reloads): Add new parameter to find_reloads_toplev calls.
6806 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
6808 * collect2.c (main): Typo fixed.
6809 * diagnostic.c: Typo fixed.
6810 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
6811 * eh-common.h: Typo fixed.
6812 * emit-rtl.c (start_sequence): Typo fixed.
6813 * flow.c (find_label_refs): Typo fixed.
6814 (calculate_global_regs_live): Typo fixed.
6815 (mark_regno_cond_dead): Typo fixed.
6816 (create_edge_list): Typos fixed.
6817 (verify_edge_list): Typo fixed.
6818 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
6819 * loop.c (strength_reduce): Typo in function name fixed.
6820 * rtl.h: Added comments. Typo in function name fixed.
6821 * rtlanal.c: Typo in function name fixed.
6822 (insn_dependant_p): Rename to ...
6823 (insn_dependent_p): ... this.
6824 (computed_jumo_p): Typo fixed.
6826 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6828 * system.h (__FUNCTION__): Wrap definition in #ifndef.
6830 2000-07-21 David Edelsohn <edelsohn@gnu.org>
6832 * rs6000.h (SIZE_TYPE): Define.
6834 2000-07-21 Mark Mitchell <mark@codesourcery.com>
6836 * ssa.c (rename_insn_1): Don't rename registers that are
6839 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
6841 * diagnostic.c (trim_filename, fancy_abort): Moved here from
6843 (fatal_function, set_fatal_function): Removed.
6844 (fatal): Don't prepare for or call the fatal_function.
6845 (diagnostic_lock, error_recursion): New.
6846 (diagnostic_for_decl, report_diagnostic): Guard against
6847 re-entering the error reporting routines.
6848 (fancy_abort): Assume function is not NULL.
6850 * errors.c (fancy_abort): New. Assume function is not NULL.
6851 * tradcpp.c (fancy_abort): Assume function is not NULL.
6853 * system.h: Provide default definition of __FUNCTION__.
6854 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
6855 Always use __FUNCTION__ in definition of abort.
6857 * varray.h: Likewise.
6858 * toplev.h: Likewise. Don't prototype set_fatal_function.
6860 2000-07-20 Geoff Keating <geoffk@cygnus.com>
6862 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
6864 * glimits.h: Don't do #if defined for ARCH_PPC.
6866 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
6867 constants of size no larger than a pointer should go in the TOC.
6868 Add 'MODE' parameter.
6869 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
6870 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
6871 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
6872 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
6873 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
6874 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
6875 (rs6000_legitimize_address): Likewise.
6876 (rs6000_emit_move): Likewise.
6877 (rs6000_select_rtx_section): Likewise.
6878 (output_toc): Deal properly with outputting small constants like
6879 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
6880 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
6881 MODE parameter. Put small constants in the TOC.
6883 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
6885 (rs6000_emit_move): When reload calls us with an illegitimate
6886 address, exit early. Move the change_address calls to one place
6887 at the end of the routine. Merge the SImode and DImode expanders.
6888 When called by reload to put an integer into a FP register, force
6891 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
6893 (rs6000_hash_constant): Hash mode too.
6894 (toc_hash_function): Allow for key_mode.
6895 (toc_hash_eq): Structures are different if key_mode differs.
6896 (output_toc): Add 'mode' parameter. Save key_mode.
6897 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
6898 Pass 'mode' parameter.
6899 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
6901 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
6902 for vtable references.
6904 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
6905 choice, don't put integer values in FP regs.
6907 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
6909 * flow.c (verify_flow_info): Revamp code to verify that the
6910 head and end of each basic block are in the insn chain.
6912 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
6914 * gcse.c (record_one_set): Prepend instead of append onto
6915 reg_set_table, making it O(n) instead O(n^2).
6916 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
6917 Use a queue instead of a stack as worklist.
6919 2000-07-20 Kazu Hirata <kazu@hxi.com>
6921 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
6922 * h8300.h (OK_FOR_T): New.
6923 (EXTRA_CONSTRAINT): Support OK_FOR_T.
6924 * h8300.md: Use inc/dec.[wl] for increment/decrement
6925 by 1 and 2 in HI and SI modes.
6927 2000-07-20 Jim Wilson <wilson@cygnus.com>
6929 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
6930 larger than 14 bits.
6932 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
6934 * cppmacro.c (CAN_PASTE_AFTER): New macro.
6935 (count_params): Don't set GNU_REST_ARGS on anything.
6936 (save_expansion): Set PASTE_LEFT only on tokens for which
6937 CAN_PASTE_AFTER is true, or which are named operators.
6939 * cpplex.c (parse_args): Distinguish between a rest argument
6940 given one empty argument, and a rest argument given zero arguments.
6941 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
6942 deletion of previous token based on that.
6943 (get_raw_token): Flatten some control structure.
6945 * cpplib.h (CPP_LAST_EQ): Correct.
6946 (VOID_REST): New token flag.
6947 (GNU_REST_ARGS): Delete.
6949 * tradcpp.c (main): Don't munge -D options.
6950 (make_definition): Bring -D handling in line with cpplib.
6951 (do_define): Strip all leading whitespace from macro definitions.
6953 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
6955 * Makefile.in (tradcpp): Depend on intl.o and version.o.
6957 2000-07-20 Bruce Korb <bkorb@gnu.org>
6959 * fixincl/check.tpl: strip the platform specific types before testing
6960 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
6961 * fixincl/fixincl.tpl: use platform specific types
6962 * fixincl/fixlib.h: include the platform specific types
6963 * fixincl/inclhack.def(gnu_types): don't supply the types
6964 * fixincl/fixincl.x: regen
6966 2000-07-19 Jim Wilson <wilson@cygnus.com>
6968 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
6971 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
6973 * tradcpp.c (rescan): Do not recognize directives when the #
6976 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
6978 Implement C++ named operators.
6980 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
6981 of operators allowed in #if and having an _EQ variant. Add
6982 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
6983 (cpp_token flags): Add NAMED_OP.
6984 (enum node_type): Add T_OPERATOR.
6985 (struct cpp_hashnode): Add code slot to value union.
6986 * cpphash.h (spec_nodes): Remove n_defined.
6988 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
6989 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
6990 (is_macro_disabled): Tweak error messages.
6992 * cpplib.c (get_define_node): Disallow all named operators as
6993 macro names. Tweak error messages.
6994 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
6996 * cppinit.c (builtin_array): Add entries for the named operators.
6997 * cppexp.c (lex): Check for CPP_DEFINED token.
6998 (priority table): Add entries for CPP_MIN and CPP_MAX.
6999 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
7001 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
7003 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
7004 larger than the array of cuids.
7005 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
7008 2000-07-19 Bruce Korb <bkorb@gnu.org>
7010 * fixinc/fixincl.c: Convert to using a table of environment variables
7011 and activate the auto-edit marker on the fixed output files.
7012 * fixinc/fixlib.h: Define the environment table
7013 * fixinc/fixincl.sh: export the ${INPUT} dir
7014 * fixinc/check.tpl: likewise
7016 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
7018 * gcc.c (.h spec): Fix typo.
7020 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
7022 * Makefile.in: Fix tradcif.c path.
7024 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
7026 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
7029 * cpphash.h (TOKEN_NAME): New macro.
7030 (_cpp_spell_operator): Deleted.
7031 (token_spellings): Now _cpp_token_spellings.
7033 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
7034 * cpplex.c: Use OP and TK macros when expanding the
7035 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
7036 store the stringification of the enumeration name (CPP_CHAR,
7037 etc.) in the name slot of token_spellings.
7038 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
7039 token_spellings directly.
7040 * cpplib.c: Use TOKEN_SPELL.
7042 * cpplex.c (_cpp_push_token): If the token being pushed back
7043 is the previous token in this context, just subtract one from
7045 * cppmacro.c (save_expansion): Clear aux field when storing a
7048 2000-07-18 Jakub Jelinek <jakub@redhat.com>
7050 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
7051 buffer, provided it is not NULL.
7053 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
7055 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
7056 case of invalid volatile re-declaration.
7058 2000-07-18 Jakub Jelinek <jakub@redhat.com>
7060 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
7061 (expand_call): Adjust caller.
7063 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
7065 * diagnostic.h (report_diagnostic): Change prototype.
7067 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
7068 diagnostic_for_decl): Change prototype.
7069 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
7070 error, warning, error_with_file_and_line,
7071 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
7072 Adjust call to report_diagnostic, diagnostic_for_decl.
7073 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
7074 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
7076 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
7077 varaible argument list.
7079 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
7081 * cpphash.c: Don't include hashtab.h. Most macro-handling code
7082 moved to cppmacro.c.
7083 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
7084 dump_hash_helper): Delete.
7085 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
7086 cpp_forall_identifiers): New. Implement specialized version of
7087 Vlad's expandable hash table.
7088 (cpp_lookup): Use new functions.
7089 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
7091 * cppmacro.c: New file.
7092 * cppinit.c (dump_macros_helper): New.
7093 (cpp_finish): Iterate over the identifier table directly.
7094 * cpplex.c (parse_name): Calculate the hash of the identifier
7095 while we scan it. Use _cpp_lookup_with_hash when we can.
7097 * cpphash.h: Update prototypes.
7098 (xcnewvec, HASHSTEP): New helper macros.
7099 * cpplib.h: Update prototypes.
7100 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
7101 (cppmacro.o): New rule.
7102 (cpphash.o): Update deps.
7104 * cppmain.c: Do not set pfile->printer if no_output is on.
7106 2000-07-15 Neil Booth <neilb@earthling.net>
7108 * cpplib.c: Change all directive-handler functions to return
7110 * cpphash.h: Update typedefs.
7112 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
7114 * configure: Regenerate.
7116 * extend.texi (Extended Asm): Mention that a memory clobber
7117 does not count as a side-effect.
7119 * unroll.c (copy_loop_body): Fix one instance of using host
7120 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
7123 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
7125 2000-07-17 Richard Henderson <rth@cygnus.com>
7127 * config/ia64/ia64.md (movdi): Split out load address code.
7128 New post-reload splitter for symbolic operands.
7129 (movdi_internal): Abort if we didn't split symbolic operands
7130 when we should have.
7131 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
7132 (ia64_reorg): Split insns when not optimizing.
7133 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
7135 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
7137 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
7138 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
7140 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
7142 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
7144 2000-07-17 Jason Merrill <jason@redhat.com>
7146 * Makefile.in (clean): Remove libgcc directory.
7148 * configure.in (-Wno-long-long check): Use higher-level macros.
7150 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
7152 * simplify-rtx.c (simplify_binary_operation): Recognize
7153 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
7154 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
7155 a CONST_INT, it will always be zero.
7157 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
7159 * loop.c (check_dbra_loop) : Return if more than one condition is
7160 present to control the loop.
7162 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
7164 * mips.c (mips_expand_prologue): Don't calculate the last argument
7165 register unless we need it. When we are calculating this, make
7166 sure FUNCTION_ARG is giving us a REG.
7168 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7170 * flow.c (libcall_dead_p): Use single_set to verify the insn
7171 has only one set and get for analysis.
7172 (propagate_one_insn): Don't pass the PATTERN of the insn.
7174 2000-07-17 Mark Klein <mklein@dis.com>
7176 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
7178 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7180 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
7181 * configure.in (TARGET_GETGROUPS_T): Evaluate.
7182 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
7183 of second argument of getgroups.
7184 * configure, config.in: Rebuilt.
7186 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
7188 * simplify-rtx.c (simplify_relational_operation): Two signed
7189 values with equal high words are less/greater than each other if
7190 their low words are less/greater when considered as unsigned.
7192 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
7194 * configure.in (vax-*-openbsd): Change to new style configuration,
7195 add collect2/float_format information.
7196 * configure: Rebuilt.
7197 * config/vax/openbsd1.h: New.
7198 * config/vax/openbsd.h: New.
7199 * config/vax/t-openbsd: New.
7201 2000-07-17 Chip Salzenberg <chip@valinux.com>
7203 * c-common.c (shorten_compare): Quiet warnings about unsigned
7204 comparisons with zero when they occur in a system header.
7206 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
7208 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
7209 update to describe current practice.
7211 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
7213 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
7214 references to C9X. Change references to -fstd and -flang-isoc9x
7217 * c-common.c (scan_char_table): Allow "z" length modifiers on
7219 (check_format_info): Use TYPE_DOMAIN on the type matched against
7220 for "z" formats, to retrieve the language size_t rather than the
7223 * c-common.c (check_format_info): Do not make a pedantic objection
7224 to the 'L' length modifier if used with a floating point type
7227 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
7228 constants in C99 mode.
7230 2000-07-17 Kazu Hirata <kazu@hxi.com>
7232 * h8300.md: Fix the format of mac.
7233 (movsi_h8300hs): Output a tab after stmac instead of a space.
7235 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
7236 profitable adds/subs sequences.
7238 * fold-const.c: Fix comment typos.
7240 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
7242 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
7244 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7246 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
7248 2000-07-16 Neil Booth <NeilB@earthling.net>
7250 * cpplex.c: Update comments.
7251 * README.Portability: Small update.
7253 2000-07-16 Neil Booth <NeilB@earthling.net>
7255 * README.Portability: Small update.
7257 2000-07-15 Richard Henderson <rth@cygnus.com>
7259 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
7260 * config/ia64/ia64.c (ia64_move_ok): New function.
7261 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
7262 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
7264 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
7266 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
7267 immediately following a paste operator.
7268 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
7269 (cpp_reader_init): Call it, if HOST_EBCDIC.
7270 (cpp_handle_options): Do not sort option list here.
7271 (handle_option): Rename to cpp_handle_option and export.
7272 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
7273 _cpp_get_token directly.
7274 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
7275 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
7276 * cpplib.h: Prototype cpp_handle_option. Update prototype of
7279 2000-07-15 Richard Henderson <rth@cygnus.com>
7281 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
7282 cast around an expression. Tidy other unsigned tests.
7284 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
7286 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
7287 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
7288 (v_message_with_decl): Rename to ...
7289 (format_with_decl): ... this. Tweak
7290 (diagnostic_for_decl): New function.
7291 (fatal_io_error): Use verbatim in lieu of notice.
7292 (announce_function): Use verbatim.
7293 (default_print_error_function): Likewise.
7294 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
7297 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7299 * mips.c (function_arg_pass_by_reference): Don't do automatic
7300 aggregate initialization.
7301 (machine_dependent_reorg): Initialize variable `mode'.
7303 * mips.md (absdi2): Change variable `regno1' to unsigned int.
7304 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
7305 conflicts with sys/param.h macro of the same name.
7306 (reload_outdi): Likewise.
7308 2000-07-15 Michael Meissner <meissner@redhat.com>
7310 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
7311 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
7312 create a new node instead.
7314 2000-07-15 Neil Booth <NeilB@earthling.net>
7316 * README.Portability: Correct example about calling a function
7317 through a pointer to function. Format wide paragraphs.
7319 2000-07-15 Michael Meissner <meissner@redhat.com>
7321 * README.Portability: Update integer suffixes and function
7324 2000-07-15 Neil Booth <NeilB@earthling.net>
7326 * README.Portability: Small update.
7328 2000-07-15 Neil Booth <NeilB@earthling.net>
7330 * README.Portability: New file.
7332 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
7334 * INSTALL: Give special instructions for building GCC on Irix 6.
7335 * config/mips/x-iris6 (CC): Don't set it.
7338 2000-07-14 Jason Merrill <jason@redhat.com>
7340 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
7341 register in the stack and later in another register, use the new
7344 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
7346 * config/mips/mips.md: (absdi2): Handle sign_extend for
7349 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
7351 * cpplib.c (do_pragma_dependency): Tidy warning messages.
7353 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
7355 * .cvsignore: Correct typo.
7357 2000-07-13 Mark Mitchell <mark@codesourcery.com>
7359 * .cvsignore: Add generated YACC files.
7360 * objc/.cvsignore: New file.
7362 2000-07-14 Neil Booth <NeilB@earthling.net>
7364 * cpplex.c (adjust_column): New funcion.
7365 (skip_whitespace): Use it.
7366 (skip_block_comment): Use it, and warn about /*/* with
7369 2000-07-14 Neil Booth <NeilB@earthling.net>
7371 * cpphash.c (struct macro_info): Add new members.
7372 (_cpp_free_definition): Delete the macro directly.
7373 (count_params): Return void, with first token of
7374 expansion in struct macro_info on success.
7375 (parse_define): Return int. Hoist syntax checking from
7376 save_macro_expansion. Leave call to save_expansion to
7377 _cpp_create_definition.
7378 (alloc_macro): Needs just 2 arguments.
7379 (free_macro): Delete.
7380 (save_expansion): Don't perform syntax check.
7381 (_cpp_create_definition): Call save_expansion.
7383 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7385 * genrecog.c (write_header): Split long string.
7387 * cpphash.c (macro_info): Don't use the `signed' keyword.
7389 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
7391 2000-07-13 Jakub Jelinek <jakub@redhat.com>
7393 * calls.c (stored_args_map): New variable.
7394 (check_sibcall_argument_overlap_1): New.
7395 (check_sibcall_argument_overlap): New.
7396 (expand_call): Initialize stored_args_map.
7397 Call check_sibcall_argument_overlap.
7399 2000-07-13 Bruce Korb <bkorb@gnu.org>
7401 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
7402 (emit_gnu_type): utility procedure for gnu_type_fix
7403 (gnu_type_fix): implement various pre-processor guards around
7404 standard types so these types can be defined over and over
7405 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
7406 types alluded to above will have GNU-compliant base types
7407 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
7408 * fixinc/inclhack.def: add test_text entries and utilize the new
7409 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
7410 * fixinc/fixincl.x: regenerate
7412 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7414 * diagnostic.c (vline_wrapper_message_with_location,
7415 v_message_with_file_and_line, v_error_with_file_and_file,
7416 v_error_for_asm, v_warning_for_asm, vfatal,
7417 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
7418 vsorry, verror, vwarning, vpedwarn): Remove.
7419 (diagnostic_for_asm): New function.
7420 (pedwarn, error, warning, pedwarn_with_file_and_line,
7421 error_with_file_and_line, warning_with_file_and_line, sorry,
7422 error_for_asm, warning_for_asm, fatal): Reimplement.
7423 (finish_diagnostic): Clear diagnostic info as well.
7425 2000-07-13 Neil Booth <NeilB@earthling.net>
7427 * c-common.h (flag_digraphs): New.
7428 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
7429 * c-lex.c (yylex): Use flag_digraphs to decide whether to
7432 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
7434 * gcc.c (do_spec_1): Add new %B operator.
7435 (set_input): Prepare for %B.
7437 (link_command_spec): Move up with the other tm.h-
7438 overrideable specs. Factor out the portion conditional on
7439 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
7440 (struct compiler): Just have a single spec string. All users
7442 (default_compilers): Remove unnecessary braces.
7443 (static_specs): Update.
7445 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
7447 (C and assembly specs): Use the new named specs, as appropriate.
7449 * objc/lang-specs.h: Use the new named specs.
7450 Remove unnecessary braces.
7452 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
7454 * gcc.c (execute): If a subprocess gets a fatal signal, report
7455 strsignal() of the signal number, and ask for a bug report.
7456 Do not do this for SIGPIPE if there's already been an error.
7458 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
7461 * tradcif.c: Remove.
7463 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
7465 * final.c (profile_function): Do not emit profile counters in
7466 the data section, if NO_PROFILE_COUNTERS is defined.
7467 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
7470 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
7471 (FUNCTION_PROFILER): Just emit a call to mcount.
7473 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
7475 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
7477 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
7478 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
7479 traditional, lang_chill, or lang_fortran.
7481 * cppfiles.c: #undef strcmp to suppress warning about macros
7482 used without arguments.
7483 (_cpp_execute_include): Use f, not fname, in "No include path"
7485 (_cpp_pop_file_buffer): New function.
7486 * cpplib.c: Don't include <sys/mman.h>.
7487 (cpp_push_buffer): Set line_base and lineno in new buffer.
7488 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
7490 * cpplex.c: Move all prototypes and structure declarations to the
7491 top of the file. Properly parenthesise some macro arguments.
7492 (cpp_scan_line): New function.
7493 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
7494 don't need to walk up the stack counting.
7496 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7498 * c-common.c (combine_strings): Emit a pedantic warning when a
7499 string length is greater than the minimum ANSI C is required
7502 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
7504 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
7505 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
7507 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7509 * c-decl.c (define_label): Warn about identifier conflicts with
7510 labels in traditional C.
7512 * c-parse.in (unop +): Warn about the unary plus operator for
7515 * c-typeck.c (store_init_value): Warn about automatic aggregate
7516 initialization for traditional C.
7518 * invoke.texi (-Wtraditional): Document new warnings.
7520 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
7522 * Makefile.in (c-errors.o): Fix thinko in dependency.
7524 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
7526 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
7527 -traditional, -ftraditional, or -traditional-cpp was given.
7528 Do not pass -traditional to the preprocessor.
7529 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
7530 preprocessor does it automatically.
7531 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
7533 * ch/lang-specs.h: Always use tradcpp. Do not pass
7534 -traditional, -trigraphs, or -pedantic to the preprocessor.
7535 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
7538 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
7540 * cppexp.c (LOGICAL): Delete macro.
7541 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
7544 * cpphash.c (HASHSIZE): Increase to 4096.
7545 (struct hashdummy): Add hash field.
7546 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
7547 the string values using memcmp.
7548 (cpp_lookup): Set dummy.hash.
7550 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
7552 * configure.in (m88k-openbsd): Express configuration using new fragment
7554 * configure: Rebuilt.
7555 * m88k/aout-dbx.h: New.
7556 * m88k/openbsd.h: New.
7557 * m88k/xm-openbsd.h: New.
7559 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7561 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
7563 2000-07-12 Richard Henderson <rth@cygnus.com>
7565 * reload.c (push_secondary_reload): Make sure to add the new
7566 reload at the end, after acquiring secondary memory.
7568 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7570 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
7572 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
7573 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
7575 * c-parse.in (stmt): Delete unused variables.
7577 * convert.c (convert_to_vector): Likewise.
7579 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
7581 * tree.c (finish_vector_type): Prototype.
7583 2000-07-12 Bruce Korb <bkorb@gnu.org>
7585 * fixinc/fixfixes.c: use xmalloc
7586 * fixinc/fixincl.c(initialize): set program name for xmalloc
7587 * fixinc/fixlib.c(must_malloc): obsolete
7588 (is_cxx_header): no longer used - disabled
7589 (skip_quote): inserted and disabled for future use
7590 * fixinc/fixlib.h: reflects above
7591 * fixinc/fixtests.c: removed dinkleberries
7593 2000-07-12 Neil Booth <NeilB@earthling.net>
7595 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
7596 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
7598 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
7599 struct toklist_dummy): New.
7600 (cpp_free_definition): Free macros with free_macro.
7601 (count_params): Don't save paramter spellings. Save macro
7602 information in a struct macro_info.
7603 (parse_define): Don't allocate a token list.
7604 (save_expansion): Allocate the macro's token list, and
7605 save parameter spellings if necessary. Use TOKEN_SPELL.
7606 (cpp_create_definition): Make list const.
7608 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
7610 * c-typeck.c (pedwarn_c99): Move to
7611 * c-errors.c: ... Here.
7612 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
7613 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
7614 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
7615 (c-errors.o): List dependency.
7617 2000-07-12 Mark Mitchell <mark@codesourcery.com>
7619 * c-parse.c: Remove.
7620 * c-parse.h: Likewise.
7621 * c-parse.y: Likewise.
7622 * objc/objc-parse.c: Likewise.
7623 * objc/objc-pasre.y: Likewise.
7625 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
7627 * gcc.texi: Fix minor typos
7628 * extend.texi: Fix minor typos
7630 2000-07-11 Marc Espie <espie@openbsd.org>
7632 * collect2.c (main): Recognize .lo as object files.
7634 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7636 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
7639 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
7640 with MAP_ANONYMOUS and MAP_ANON.
7641 * configure, config.in: Rebuilt.
7643 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
7645 * diagnostic.c (save_output_state): Remove.
7646 (restore_output_state): Likewise.
7647 (clear_text_info): New function.
7648 (clear_diagnostic_info): Likewise.
7649 (output_text_length, is_starting_newline, output_prefix,
7650 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
7651 prefixing_policy, output_buffer_ptr_to_format_args): New macros
7652 (set_real_maximum_length, output_set_maximum_length,
7653 output_set_prefix, output_get_prefix, output_set_maximum_length,
7654 output_destroy_prefix, init_output_buffer,
7655 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
7656 output_add_newline, output_add_character, output_add_space,
7657 output_append_r, output_append, wrap_text, output_format,
7658 output_do_printf, output_printf, output_do_verbatim,
7659 output_verbatim, verbatim): Use them.
7660 (output_clear): Split into cleat_text_info and
7661 clear_diagnostic_info.
7662 (struct output_state): Move to...
7664 * diagnostic.h: ...Here
7665 (struct output_buffer): Adjust.
7667 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
7669 * cpplex.c (parse_name): No longer inline (premature optimization).
7670 (do_pop_context): Fold into pop_context.
7671 (pop_context): Returns int.
7672 (lex_next): Hoist test for end of directive into pop_context.
7673 (push_macro_context): Returns int; takes just reader and token.
7674 Hoist test for excessive nesting to caller.
7675 (push_arg_context): Returns void; takes just reader and token.
7676 Do not call stringify_arg or get_raw_token.
7677 (get_raw_token): Convert tail recursion through push_arg_context
7678 to a loop at this level. Call stringify_arg here if appropriate.
7679 (maybe_paste_with_next): Convert tail recursion to a while loop.
7680 Hoist test of paste_level to caller.
7682 (stringify_arg): Push arg context at beginning.
7683 (cpp_get_token): Split out core into _cpp_get_token. Call
7684 process_directive here. Throw away CPP_PLACEMARKER tokens.
7685 (_cpp_get_token): Convert tail recursion through
7686 push_macro_context to a loop at this level.
7687 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
7688 _cpp_get_raw_token): Use _cpp_get_token.
7689 (_cpp_skip_rest_of_line): Drop the context stack directly; do
7690 not call pop_context.
7691 (_cpp_run_directive): Call lex_next directly.
7693 * cpphash.h: Prototype _cpp_get_token.
7694 * cppexp.c (lex): Use it.
7695 * cpphash.c (parse_define): Use it.
7696 * cpplib.c (get_define_node, do_undef, parse_include,
7697 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
7698 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
7699 parse_ifdef, validate_else): Use it.
7700 (cpp_push_buffer): Tweak error message; abort if anyone tries
7701 to push a buffer while macro expansions are stacked.
7703 2000-07-11 Donn Terry <donnte@microsoft.com>
7705 * cpplex.c (free_macro_args, save_token): Cast arg of free
7706 and/or xrealloc to PTR.
7707 (_cpp_init_input_buffer): Clear all fields of the base context.
7709 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
7711 * gensupport.c (process_rtx): Make rtl checking stop
7712 complaining about the define_insn while it is being
7713 converted from a define_insn_and_split.
7715 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
7717 * config/mips/mips.c (simple_memory_operand): Access the
7718 INTVAL of the address, not it's containing MEM.
7720 2000-07-11 Bruce Korb <bkorb@gnu.org>
7722 * fixinc/fixtests.c(double_slash): obsolete
7723 (else_endif_label): likewise
7724 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
7725 (libc1_ifdefd_memx): correct initial comment
7726 and omit the #if/#endif pair from the memxxx declarations
7727 * fixinc/fixincl.x: regen
7729 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7731 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
7733 2000-07-11 Neil Booth <NeilB@earthling.net>
7737 2000-07-11 Neil Booth <NeilB@earthling.net>
7739 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
7740 (handle_option): Set digraphs according to standard.
7741 Merge OPT_lang_c89 handler with OPT_std_c89.
7743 * cpplex.c: (lex_line, can_paste): Honour digraphs in
7744 accordance with the digraphs flag.
7746 * cpplib.h: (struct cpp_options): New option digraphs.
7748 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
7749 Bruce Korb <bkorb@gnu.org>
7751 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
7752 * fixinc/fixincl.x: Regenerate.
7753 * fixinc/tests/base/testing.h: Add testcase.
7755 2000-07-10 Richard Henderson <rth@cygnus.com>
7757 * config/ia64/ia64.c (got_symbolic_operand): New.
7758 (symbolic_operand, move_operand): Revert 0701 change.
7759 * config/ia64/ia64.h (PREDICATE_CODES): Update.
7760 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
7761 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
7762 split the offset into a 14-bit low part instead of a 13-bit low part.
7763 (load_fptr): Mark the mem as unchanging.
7764 (load_symptr): Use got_symbolic_operand.
7766 2000-07-10 Nick Clifton <nickc@cygnus.com>
7768 * libgcc2.c (next_stack_level): Cast result of computation to
7769 (void **) so that the assignment does not generate a warning.
7771 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
7773 * flags.h : Add new variable flag_single_precision_constant.
7774 * toplev.c (display_help) : Add -fsingle-precision-constant option.
7775 (flag_single_precision_constant): New.
7776 * c-lex.c (yylex): Convert floating point constant to single
7778 * invoke.texi : Add documentation for this new option.
7780 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
7782 * diagnostic.c (output_octal): Second parameter is unsigned.
7783 (output_long_octal): Likewise.
7784 (output_hexadecimal): Likewise.
7785 (output_long_hexadecimal): Likewise.
7786 (output_format): Adjust arguments extraction. Tweak.
7787 (output_verbatim, verbatim): End variable argument list.
7788 (report_diagnostic): Improve documentation.
7790 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
7792 * c-common.h (build_stmt): Declare.
7793 (build_continue_stmt): Likewise.
7794 (build_break_stmt): Likewise.
7795 (build_return_stmt): Likewise.
7797 * c-decl.c (do_case): Rewrite to do what previously done in
7800 * c-semantics.c (build_stmt): Define.
7801 (build_return_stmt): Likewise.
7802 (build_break_stmt): Likewise.
7803 (build_continue_stmt): Likewise.
7804 (build_case_label): Likewise.
7806 * c-parse.in (BREAK): Change to build tree, then generate RTL.
7807 (CONTINUE): Likewise.
7810 (DEFAULT): Likewise.
7812 * c-parse.y: Regenerate.
7813 * c-pasre.c: Likewise.
7815 2000-07-09 Jason Merrill <jason@redhat.com>
7817 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
7819 * tree.h (STRIP_NOPS): Check for error_mark_node.
7820 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
7821 (dwarf2out_*): Remove duplicate declarations.
7823 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
7824 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
7826 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
7828 * diagnostic.c (wrap_text): New function.
7829 (maybe_wrap_text): Likewise.
7830 (output_add_string): Use it.
7831 (output_format): Likewise.
7832 (count_error): Use verbatim instead of notice.
7833 (report_error_function): Likewise. Don't use plain fprintf.
7834 (finish_diagnostic): New function.
7835 (output_do_verbatim): Tweak. Commonalize functionalities in
7836 output_verbatim and verbatim.
7837 (output_verbatim): Adjust.
7838 (verbatim): Likewise.
7839 (report_diagnostic): Define.
7841 * diagnostic.h (report_diagnostic): Prototype.
7843 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
7845 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
7847 2000-07-09 Neil Booth <NeilB@earthling.net>
7849 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
7850 IShspace, ISspace: Update.
7852 * cppinit.c: ISTABLE: Update.
7855 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
7856 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
7857 (skip_block_comment, skip_line_comment, parse_string,
7858 lex_line): Use is_vspace rather than IS_NEWLINE.
7859 (skip_whitespace, lex_line): Clean up to use is_nvspace.
7860 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
7862 (lex_next): Unconditionally stop if within a directive.
7863 Treat directives within macro invocations as directives
7864 (after parse_args emits error), not as the argument.
7866 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
7868 * diagnostic.c (diagnostic_args): New macro.
7869 (diagnostic_msg): Likewise.
7870 (output_formatted_integer): Likewise.
7871 (output_state): New data type.
7872 (digit_buffer): Make global.
7873 (output_add_integer): Rename to output_decimal. Squeeze
7875 (output_long_decimal, output_unsigned_decimal,
7876 output_long_unsigned_decimal, output_octal, output_long_octal,
7877 output_hexadecimal, output_long_hexadecimal): New functions.
7878 (output_append_r): New function.
7879 (output_append): Tweak.
7880 (output_flush_on): Rename to output_to_stream.
7881 (output_format): Change prototype. Improve documentation. Handle
7882 more format specifiers.
7883 (build_location_prefix): Rename to context_as_prefix.
7884 (output_notice): Rename to output_do_printf.
7885 (output_printf): Tweak.
7886 (line_wrapper_printf): Likewise.
7887 (vline_wrapper_message_with_location): Adjust call to renamed
7889 (v_message_with_decl): Likewise.
7890 (default_print_error_function): Likewise.
7891 (save_output_state): New function.
7892 (restore_output_state): Likewise.
7893 (output_do_verbatim): Likewise.
7894 (output_verbatim): Define.
7895 (verbatim): Likewise.
7897 * diagnostic.h (printer_fn): Change return type from void to int.
7898 Improve documentation.
7899 (output_add_integer): Rename to output_decimal.
7900 (output_flush_on, output_format): Don't export.
7901 (output_verbatim, verbatim): Declare.
7903 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
7905 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
7906 Check whether c divides op1 exactly if operation is not
7909 2000-07-08 Richard Henderson <rth@cygnus.com>
7911 * final.c (final): Do not abort when reg-stack introduces
7914 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
7916 * cpplib.h (struct cpp_name): Now struct cpp_string.
7917 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
7918 CPP_HEADER_NAME): Change to type S.
7919 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
7920 field, a cpp_hashnode *. All references to val.name updated
7921 to use val.str or val.node as appropriate.
7922 (struct cpp_reader): Add spec_nodes field.
7923 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
7925 * cpphash.h (struct spec_nodes): New.
7926 (enum spell_type): Reorder. Only SPELL_STRING tokens use
7927 val.str. All references to 'spelling > SPELL_NONE' updated to
7930 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
7931 pfile->buffer->inc are not NULL before dereferencing them.
7933 * cpplex.c (parse_name): Take a pointer to the current token,
7934 plus current position and limit as args; return the new
7935 position; don't copy the text of a name into the string
7936 buffer, instead call cpp_lookup and store the node pointer.
7937 If extending a token, copy out the text of the old into a
7938 scratch buffer, append the new, look that up and store the new
7939 node pointer. Inline.
7940 (maybe_paste_with_next): If the result of paste is a NAME,
7941 then look up the pasted text and store its node pointer.
7942 (lex_line): Adjust for new parse_name interface.
7943 Check for L"str", L'str' using spec_nodes->n_L.
7944 (spell_token): SPELL_IDENT tokens have their spelling in
7945 val.node->name. Handle SPELL_STRING tokens that don't have
7947 (_cpp_expand_name_space,
7948 (can_paste): Check for L ## "str" using spec_nodes->n_L.
7949 (cpp_get_token, special_symbol): No need to call cpp_lookup.
7950 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
7951 return 1=equal 0=not, not a tristate.
7953 * cpphash.c (var_args_str): Delete.
7954 (find_param): Compare node fields directly.
7955 (is__va_args__): Use CPP_PEDANTIC. Just compare
7956 token->val.node with spec_nodes->n__VA_ARGS__.
7957 (dump_funlike_macro): Don't use var_args_str.
7959 * cpplib.c (_cpp_check_directive): Just walk through
7960 spec_nodes->dirs comparing pointers.
7961 (get_define_node, do_pragma_poison, detect_if_not_defined,
7962 parse_ifdef): The identifier has already been looked up.
7963 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
7965 (do_if): Only call detect_if_not_defined at beginning of file.
7966 (_cpp_parse_assertion): Only copy string pointers for
7967 SPELL_STRING tokens.
7968 (pragma_dispatch): Take a node pointer and examine its name
7970 (_cpp_init_stacks): Also initialize the spec_nodes structure.
7972 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
7974 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
7975 reverse order from the corresponding _cpp_init_* routines.
7977 * cppexp.c (parse_number, parse_charconst, parse_defined,
7978 lex): Check val.node->type instead of calling cpp_defined.
7979 Use spec_nodes entries where appropriate.
7981 * fix-header.c, scan-decls.c: Update for interface changes.
7983 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
7985 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
7986 emitting aux_truncdfsf2.
7988 2000-07-03 Donn Terry (donnte@microsoft.com)
7990 * cppinit.c (print_help): split overlong line into ISO C89
7993 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
7995 * cppexp.c: Update all code for new lexer interface.
7996 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
7997 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
7998 * cpplex.c (token_names): Trim leading CPP_ from names; make
7999 the strings unsigned.
8000 (_cpp_spell_operator): New.
8001 (is_macro_disabled): Disable all macros if rescanning
8003 (_cpp_get_directive_token): Remove.
8005 * cppinit.c: Don't set no_macro_expand.
8006 * cpplib.c (read_line_number, do_line): Check only for EOF,
8008 * cpphash.h: Update prototypes.
8009 * cpplib.h (CPP_VSPACE): Remove.
8010 (struct cpp_reader): Remove no_macro_expand.
8012 2000-07-08 Neil Booth <NeilB@earthling.net>
8014 * cpphash.c (is__va_args__): New function.
8015 (count_params): Fix line reported in error messages. Use
8016 is__va_args__. Don't return ')' on error. Flag GNU style
8017 rest args macro definitions.
8018 (parse_define): Check macro name is not __VA_ARGS__.
8019 (save_expansion): Check identifier in non-varargs-macro is
8020 not __VA_ARGS__. Don't flag GNU_VARARGS.
8021 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
8022 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
8023 than per-token GNU_VARARGS.
8024 * cpplib.h (GNU_VARARGS): Remove.
8025 (GNU_REST_ARGS): New.
8027 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
8029 * i386.md (call_pop, call, call_value_pop): Do not set
8030 current_function_uses_pic_offset_table for calls to static
8031 functions or indirect calls.
8033 2000-07-07 Jim Wilson <wilson@cygnus.com>
8035 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
8036 is_predicate_reg, then take max write_count of register pair.
8038 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8040 * tradcpp.c (main): Rename label `include' to `add_include' to
8041 avoid conflicts with variable `include' in traditional C.
8043 2000-07-07 Jakub Jelinek <jakub@redhat.com>
8045 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
8047 2000-07-07 Jakub Jelinek <jakub@redhat.com>
8049 * sibcall.c (uses_addressof): Add INMEM argument, check for
8050 current_function_internal_arg_pointer outside of MEM rtxs in addition
8052 (sequence_uses_addressof): Update caller.
8054 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
8056 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
8059 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8061 * system.h (UNION_INIT_ZERO): New macro for initializing union
8064 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
8066 2000-07-07 Neil Booth <NeilB@earthling.net>
8070 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
8072 * final.c (final): Detect out of bounds array access to
8073 the insn_lengths array.
8075 2000-07-07 Kazu Hirata <kazu@hxi.com>
8077 * fold-const.c (fold): Fix a comment typo.
8079 2000-07-07 Neil Booth <NeilB@earthling.net>
8081 * cpp.texi: Update to new lexer.
8083 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
8085 * tradcpp.c: New file.
8086 * tradcif.y: New file.
8087 * tradcif.c: New generated file.
8089 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
8090 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
8091 dependencies of C. Install tradcpp from install-common, in
8094 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
8096 * cppinit.c: Include cppdefault.h. Refer to
8097 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
8098 to GCC_INCLUDE_DIR and its length.
8099 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
8100 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
8101 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
8103 (include_defaults_array): Move to cppdefault.c.
8105 * cppdefault.h: New file.
8106 * cppdefault.c: New file.
8108 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
8109 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
8110 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
8113 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8115 * reload.c (push_reload): When seeing if can reuse a register,
8116 check extra registers against widest of INMODE and OUTMODE.
8118 2000-07-06 Neil Booth <NeilB@earthling.net>
8120 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
8121 based on full length of predicate.
8123 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
8125 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
8126 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
8128 2000-07-05 Kazu Hirata <kazu@hxi.com>
8130 * h8300-proto.h: Fix formatting.
8131 * h8300.c: Likewise.
8132 * h8300.h: Likewise.
8134 2000-07-05 Jim Wilson <wilson@cygnus.com>
8136 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
8139 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
8141 * invoke.texi: Fix minor typos
8142 * md.texi: Fix minor typos
8144 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
8146 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
8148 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
8150 * cpplex.c: Don't include sys/mman.h.
8151 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
8153 * cpplib.c: Include sys/mman.h and obstack.h.
8154 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
8156 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
8157 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
8158 bother freeing if stack entries (they will be freed with their buffer).
8159 (do_endif): Free if stack entries from the buffer obstack.
8160 (push_conditional): Allocate if stack entries from the buffer obstack.
8162 (find_answer): Rename to _cpp_find_answer.
8163 (do_assert, do_unassert): Update.
8165 * cpphash.h: Update prototypes.
8166 (xobnew): New convenience macro.
8167 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
8169 (struct cpp_hashnode): Remove disabled field.
8171 * cppinit.c: Don't include hashtab.h or splay-tree.h.
8172 (report_missing_guard): Moved to cppfiles.c.
8173 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
8175 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
8176 cpp_cleanup_includes. Don't destroy hashtab or
8177 all_include_files here.
8178 (cpp_finish): Use _cpp_report_missing_guards.
8180 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
8181 (_cpp_init_include_table): Rename _cpp_init_includes.
8182 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
8184 * cppexp.c (parse_assertion): Update for new name of
8187 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
8189 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
8191 * cpplib.c (do_ident): s/VSPACE/EOF/
8193 2000-07-05 Neil Booth <NeilB@earthling.net>
8195 * cpplex.c: Fix trigraph replacement within strings.
8197 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8199 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
8201 * xcoffout.c (assign_type_number): Constify.
8202 (xcoffout_source_file): Add static prototype. Don't needlessly
8203 cast away const-ness.
8205 2000-07-04 Jason Merrill <jason@redhat.com>
8207 * frame.h (frame_state): Move base_offset to end.
8209 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
8211 * calls.c (emit_library_call_value_1): Revert previous change.
8213 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
8215 * fix-header.c (struct partial_proto): Remove unnecessary fields.
8216 (recognized_extern, recognized_function, read_scan_file):
8217 Update for new scheme.
8218 (check_protection): It's still a multiple include guard even
8219 if it doesn't always trigger.
8220 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
8222 * scan.h: Declare struct cpp_token. Update prototypes.
8224 2000-07-03 Neil Booth <neilb@earthling.net>
8225 Zack Weinberg <zack@wolery.cumb.org>
8227 Complete overhaul of the lexer and macro expander.
8229 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
8230 arg, arglist, argdata, reflist, collect_objlike_expansion,
8231 collect_funlike_expansion, collect_params,
8232 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
8233 unsafe_chars, macarg, compare_defs, special_symbol,
8234 scan_arguments, stringify, funlike_macroexpand,
8235 _cpp_quote_string, monthnames): Delete.
8236 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
8237 _cpp_create_definition, _cpp_dump_definition,
8238 dump_hash_helper): Adjust.
8239 (find_param, count_params, parse_define, var_args_str,
8240 check_macro_redefinition, save_expansion): New.
8242 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
8243 parse_string, output_line_command, trigraph_replace,
8244 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
8245 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
8246 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
8247 _cpp_skip_rest_of_line): Modify.
8249 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
8250 find_position, null_warning, bump_column, expand_name_space,
8251 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
8252 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
8253 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
8254 _cpp_prescan): Delete.
8256 (dump_param_spelling, process_directive, lex_next,
8257 is_macro_disabled, stringify_arg, expand_context_stack,
8258 output_token, make_string_token, alloc_number_token,
8259 special_symbol, duplicate_token, maybe_paste_with_next,
8260 can_paste, prevent_macro_expansion, restore_macro_expansion,
8261 get_temp_token, release_temp_tokens, quote_string,
8262 token_names, token_spellings, _cpp_expand_name_space,
8263 _cpp_glue_header_name, _cpp_reserve_name_space,
8264 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
8265 placemarker_token, eof_token, cpp_context, macro_args,
8266 get_raw_token, parse_arg, parse_args, save_token,
8267 push_arg_context, push_macro_context, pop_context,
8268 do_pop_context, free_macro_args, _cpp_get_line,
8269 _cpp_run_directive): New.
8271 * cpplib.c (validate_else, parse_include, push_conditional,
8272 pass_thru_directive, read_line_number, parse_ifdef,
8273 detect_if_not_defined, _cpp_check_directive, do_define,
8274 do_undef, do_include, do_import, do_include_next, do_error,
8275 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
8276 top_pragmas, do_pragma_gcc, do_pragma_implementation,
8277 do_pragma_poison, do_pragma_system_header,
8278 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
8279 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
8280 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
8281 cpp_defined): Update for new scheme.
8282 (strtoul_for_line, get_define_node, dump_macro_name,
8283 _cpp_check_linemarker, _cpp_parse_assertion): New.
8284 (_cpp_handle_directive, do_pragma_default): Delete.
8286 * cpphash.h (struct predicate): Now struct answer.
8287 (enum spell_type, struct token_spelling, struct directive,
8288 directive_handler): New.
8289 Update prototypes. Remove unused macros.
8290 * cpplib.h: Update prototypes. Remove unused macros,
8291 structure definitions, and fields.
8293 * cpperror.c (print_containing_files, v_message): Adjust.
8294 * cppexp.c (parse_assertion, lex, parse_escape,
8295 _cpp_parse_expr): Adjust.
8296 * cppfiles.c (open_include_file, _cpp_execute_include,
8297 _cpp_compare_file_date, cpp_read_file, read_include_file):
8299 * cppinit.c (dump_special_to_buffer): Delete.
8300 (append_include_chain, merge_include_chains, cpp_reader_init,
8301 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
8302 cpp_finish, handle_option, print_help): Adjust.
8303 * cppmain.c (main): Adjust.
8305 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
8307 * cppspec.c (lang_specific_driver): Use double quotes in error
8310 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
8312 * calls.c (emit_library_call_value_1): Use valreg instead
8313 of hard_libcall_value.
8315 2000-07-03 Geoff Keating <geoffk@cygnus.com>
8317 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
8318 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
8319 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
8327 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
8328 mode instead of wider_mode is being used.
8330 2000-07-03 Jakub Jelinek <jakub@redhat.com>
8332 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
8333 of 'r'. Use q_regs_operand.
8334 (andsi_1+2): Use q_regs_operand.
8336 2000-07-03 Jakub Jelinek <jakub@redhat.com>
8338 * builtins.c (get_memory_rtx): Always put into alias set 0.
8340 2000-07-03 Nick Clifton <nickc@cygnus.com>
8342 * config/arm/arm.md: Fix post increment and pre increment
8343 peepholes so that they do not generate UNPREDICATBLE opcodes.
8344 (ie ones where the increment clobbers the source/destination).
8346 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
8348 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
8349 change too big for -mtiny-stack" a warning, if larger than 63.
8350 (out_set_stack_ptr): Change the logic so -mno-interrupts is
8351 always safe to use on possible future devices.
8352 (function_prologue): Write SPH before SPL, for consistency.
8353 If interrupt_func_p true, we know we have enabled interrupts.
8354 (avr_num_arg_regs): New function. Round up to even number of
8355 bytes if no -mpack-args or if calling a libgcc function.
8356 (function_arg, function_arg_advance): Use it.
8357 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
8358 Output "movw" if available.
8359 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
8360 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
8361 (asm_output_section_name): Add blanks for consistent output.
8362 (encode_section_info): Set TREE_READONLY for progmem data to
8363 avoid gas warnings about changed section attributes.
8364 (avr_hard_regno_mode_ok): Force non-QImode data to start in
8365 even numbered registers on devices with "movw".
8366 * config/avr/avr.h (MASK_*): Define bits for target_flags.
8367 (TARGET_SWITCHES): Mark help strings for translation.
8368 Add new -mpack-args and -menhanced switches.
8369 (TARGET_OPTIONS): Mark help strings for translation.
8370 (progmem_section): Add section attributes.
8371 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
8372 Output "movw" if available.
8373 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
8375 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
8376 call convention (arguments aligned on even registers).
8377 (_cleanup, _exit): Make weak symbols libc can override.
8379 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8381 * fp-bit.h: New file.
8383 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
8384 Comment #endif statements.
8385 (__thenan_sf, __thenan_df): Add missing braces around initializer.
8387 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
8389 * gcse.c (compute_pre_data): Compute ae_kill using other local
8390 properties instead of calling compute_ae_kill.
8392 * alias.c (init_alias_analysis): Do not call
8393 prologue_epilogue_contains until after reload has completed.
8395 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
8397 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
8398 (genrtl_finish_compound_stmt): Likewise.
8399 (genrtl_compound_stmt): Change to return void.
8401 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
8402 move code from here to ...
8403 (genrtl_compound_stmt): ... here.
8404 (genrtl_finish_compound_stmt): Remove.
8405 (expand_stmt): Add comment.
8407 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
8409 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
8412 2000-07-02 Jakub Jelinek <jakub@redhat.com>
8414 * cpplib.h (struct cpp_reader): New field include_depth.
8415 (struct cpp_printer): Rename last_bsd to last_id.
8416 * cppfiles.c (read_include_file): Bump include_depth.
8417 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
8418 (output_line_command): Output correct #line if a header
8419 is including itself and is not protected against multiple inclusion.
8420 Use include_depth instead of buffer_stack_depth, last_id instead of
8422 * cppinit.c (cpp_start_read): Initialize last_id instead of
8425 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
8427 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
8428 (c-semantics.o): New target.
8430 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
8431 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
8432 (genrtl_clear_out_block): Likewise.
8433 (genrtl_goto_stmt): Likewise.
8434 (genrtl_expr_stmt): Likewise.
8435 (genrtl_decl_stmt): Likewise.
8436 (genrtl_if_stmt): Likewise.
8437 (genrtl_while_stmt): Likewise.
8438 (genrtl_do_stmt): Likewise.
8439 (genrtl_return_stmt): Likewise.
8440 (genrtl_for_stmt): Likewise.
8441 (genrtl_break_stmt): Likewise.
8442 (genrtl_continue_stmt): Likewise.
8443 (genrtl_scope_stmt): Likewise.
8444 (genrtl_switch_stmt): Likewise.
8445 (genrtl_case_label): Likewise.
8446 (genrtl_begin_compound_stmt): Likewise.
8447 (gerntl_finish_compound_stmt): Likewise.
8448 (genrtl_compound_stmt): Likewise.
8449 (genrtl_asm_stmt): Likewise.
8450 (genrtl_decl_cleanup): Likewise.
8451 (DECL_ANON_UNION_ELEMS): Likewise.
8452 (emit_local_var): Likewise.
8453 (make_rtl_for_local_static): Likewise.
8454 (expand_cond): Likewise.
8455 (expand_stmt): Likewise.
8456 (c_expand_return): Likewise.
8457 (c_expand_start_case): Likewise.
8458 (do_case): Likewise.
8459 (COMPOUND_STMT_NO_SCOPE): Likewise.
8460 (c_expand_asm_operands): Likewise.
8461 (NEW_FOR_SCOPE_P): New macro.
8462 (expand_expr_stmt_fn): New type.
8464 (set_current_function_name_declared): Likewise.
8465 (current_function_name_declared): Likewise.
8466 (lang_expand_stmt): Likewise.
8467 (stmts_are_full_exprs_p): Likewise.
8468 (anon_aggr_type_p): Likewise.
8469 (lang_expand_expr_stmt): Likewise.
8470 (build_case_label): Likewise.
8472 * c-decl.c (lang_expand_expr_stmt): Initialize.
8473 (stmts_are_full_exprs_p): Define.
8474 (current_function_name_declared): Likewise.
8475 (do_case): Likewise.
8476 (lang_expand_stmt): Likewise.
8477 (set_current_function_name_declared): Likewise.
8478 (anon_aggr_type_p): Likewise.
8480 * c-semantics.c: New file.
8481 (expand_cond): Moved from cp/semantics.c.
8482 (genrtl_do_pushlevel): Likewise.
8483 (genrtl_clear_out_block): Likewise.
8484 (genrtl_goto_stmt): Likewise.
8485 (genrtl_expr_stmt): Likewise.
8486 (genrtl_decl_stmt): Likewise.
8487 (genrtl_if_stmt): Likewise.
8488 (genrtl_while_stmt): Likewise.
8489 (genrtl_do_stmt): Likewise.
8490 (genrtl_return_stmt): Likewise.
8491 (genrtl_for_stmt): Likewise.
8492 (genrtl_break_stmt): Likewise.
8493 (genrtl_continue_stmt): Likewise.
8494 (genrtl_scope_stmt): Likewise.
8495 (genrtl_switch_stmt): Likewise.
8496 (genrtl_case_label): Likewise.
8497 (genrtl_begin_compound_stmt): Likewise.
8498 (genrtl_finish_compound_stmt): Likewise.
8499 (genrtl_compound_stmt): Likewise.
8500 (genrtl_asm_stmt): Likewise.
8501 (genrtl_decl_cleanup): Likewise.
8502 (make_rtl_for_local_static): Moved from cp/decl.c.
8503 (emit_local_var): Likewise.
8504 (expand_stmt): Define.
8506 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
8507 (c_expand_return): Likewise.
8508 (c_expand_start_case): Likewise.
8510 2000-07-01 Richard Henderson <rth@cygnus.com>
8512 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
8513 with the low 13 bits set.
8514 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
8515 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
8516 of the low 13 bits into a CONST plus an adddi3.
8517 (load_symptr): Set RTX_UNCHANGING_P.
8519 See ChangeLog.3 for earlier changes.