1 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
3 * c-common.c (scanf_flag_specs): Add flags ' and I.
4 (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags,
5 or the ^ and # flags together.
6 (scan_char_table): Handle the ' and I flags.
7 (format_types): Add ' and I flags for scanf.
9 2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
11 * c-common.c (print_char_table): Use the unpromoted type for
12 lengths "h" and "hh" with conversions dioxXu.
13 (check_format_types): Apply the default argument promotions where
14 the wanted type is not a pointer target.
16 2000-10-11 Michael Meeks <mmeeks@gnu.org>
17 Joseph S. Myers <jsm28@cam.ac.uk>
19 * c-typeck.c (check_modify_expr): New function.
20 (build_modify_expr): Call it if warn_sequence_point.
21 * c-decl.c (warn_sequence_point): New variable.
22 (c_decode_option): Handle -Wsequence-point and
23 -Wno-sequence-point. Enable -Wsequence-point as part of -Wall.
24 * c-tree.h (warn_sequence_point): Declare.
25 * invoke.texi (-Wsequence-point): Document.
26 * toplev.c (documented_lang_options): Add -Wsequence-point and
28 Original work by Michael Meeks, 16 Jun 1998.
30 Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
32 * tree.c (get_narrower): Don't look at precision of field if
35 Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru>
37 * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern'
38 declaration for data with "progmem" attribute.
40 2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl>
42 * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro.
43 Correct insn length if shift count is a memory operand.
44 * config/avr/avr.md: New define_peephole2 to use *reload_inqi.
45 (*iorhi3_clobber): Change lo8 to hi8.
46 (zero_extendhisi2): Change %B0 to %A1.
47 (ashlhi3, ashrhi3): Correct insn length.
48 (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc"
49 from "clobber" to "set_n" in some alternatives.
51 2000-10-10 Jakub Jelinek <jakub@redhat.com>
53 * reload1.c (calculate_needs_all_insns): If deleting an instruction,
54 remove its insn_chain structure as well.
56 2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
58 * dbxout.c (dbxout_source_line): Remove extra tab.
60 2000-10-09 Hans-Peter Nilsson <hp@bitrange.com>
62 * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name.
64 2000-10-09 Richard Henderson <rth@cygnus.com>
66 * Makefile.in (LANG_LIB2FUNCS): Remove.
67 (LIB2FUNCS): Remove _pure.
68 (LIB2ADD): Remove LANG_LIB2FUNCS.
69 (stage_a): Don't set LANG_LIB2FUNCS.
70 * libgcc2.c (__terminate): Mark noreturn.
71 (__pure_virtual): Remove.
72 * mklibgcc.in: Remove LIB2ADD .txt processing.
74 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
76 * arm.md (push_multi): Revert unintended change.
78 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
80 * arm.c: Miscellaneous white space and comment clean-ups. No
84 2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
86 * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new
87 STRING_CST by calling combine_strings.
89 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
91 * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form.
92 (thumb_output_move_mem_multiple): Support new insn format.
93 * arm.md (movmem12b): Use SSA compatible format.
96 2000-10-09 Richard Earnshaw <rearnsha@arm.com>
98 * arm.md (predicable): New attribute, default to "no".
99 (all patterns): Mark as predicable if appropriate.
100 (conditional execution splits): Split using predication format.
101 (define_cond_exec): Define.
102 * arm.c (arm_print_operand): handle insn predicate.
104 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
106 * README.NS32K: Remove file.
108 2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
110 * README-bugs: Remove file.
112 2000-10-08 Philipp Thomas <pthomas@suse.de>
113 * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator
115 * configure: Rebuilt.
117 2000-10-08 Philipp Thomas <pthomas@suse.de>
118 * aclocal.m4 (AM_WITH_NLS): When not using included gettext,
119 disable catalog building if no suitable program was found.
120 Move warning message from here
121 (AM_GNU_GETTEXT): To here.
122 * configure: Rebuilt.
124 2000-10-08 Philipp Thomas <pthomas@suse.de>
125 * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses
126 different cache variables.
127 (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but
128 uses different cache variables.
129 (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST.
130 * configure: Regenerated.
132 2000-10-08 Richard Henderson <rth@cygnus.com>
134 * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS.
135 * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}.
136 * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command.
139 * config/t-linux (SHLIB_EXT): New.
140 (SHLIB_LINK): Use the entire build command, with substitutions.
141 (SHLIB_LIBS): Remove.
142 * config/alpha/t-osf4: Likewise.
143 * config/mips/t-iris6: Likewise.
144 * config/sparc/t-sol2: Likewise, but move shlib stuff...
145 * config/sparc/t-slibgcc-sld: ...here.
146 * config/sparc/t-slibgcc: New file.
148 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
150 * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define.
151 * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and
153 (intmax_type_node, uintmax_type_node): Define.
154 * c-common.c (decl_attributes): If pedantic, warn if `mode'
155 attributes create a type wider than intmax_t.
156 (T_IM, T_UIM): Define properly.
157 * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already
159 (init_decl_processing): Initialize intmax_type_node and
161 * c-lex.c (lex_number): When pedantic and warning for integer
162 constants that are too large, in C99 mode warn for those that have
163 a type wider than long long.
165 2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk>
167 * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE,
168 FMT_FLAG_FANCY_PERCENT_OK): Define.
169 (format_char_info): Add flag "4" to comment.
170 (format_flag_spec, format_flag_pair): New structures.
171 (format_kind_info): Add additional fields to control format
173 (printf_flag_specs, printf_flag_pairs, scanf_flag_specs,
174 scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New
176 (time_char_table): Use "4" flag to handle %Ey.
177 (format_types): Add entries for new fields.
178 (get_flag_spec): New function.
179 (check_format_info): Increase size of flag_chars[] to 256.
180 Control format checking using the new fields of a format_kind_info
181 and the new tables; remove all conditionals on printf_format_type,
182 scanf_format_type or strftime_format_type. Handle all details of
183 bad combinations of flags (including width, precision and strftime
184 modifiers) through data rather than ad hoc code. Handle all
185 details of standard versions in which flags appeared through
186 data. Use the "4" flag.
188 2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com>
190 * config/h8300/h8300.md: Remove the memory alternative and correct
191 the insn lengths in the templates for sign extention and zero
194 2000-10-07 Richard Henderson <rth@cygnus.com>
196 * calls.c (expand_call): Disallow sibcalls to noreturn functions.
197 * flow.c (make_edges): Revert last change.
199 * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test
201 * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise.
203 2000-10-06 David O'Brien <obrien@dragon.nuxi.com>
205 * config/alpha/elf.h: Standardize the formatting.
207 2000-10-06 David O'Brien <obrien@FreeBSD.org>
209 * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an
212 2000-10-06 Richard Henderson <rth@cygnus.com>
214 * function.c (diddle_return_value): Examine
215 current_function_return_rtx instead of the DECL_RESULT.
216 (expand_function_end): Handle reloading DECL_RESULT from memory
217 into a hard register. Query promote_mode for sign of mismatched
220 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
222 * haifa-sched.c (schedule_insns): Fix typo in freeing
223 forward_dependency_cache.
225 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
227 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add
228 `TARGET_SH2' as a condition.
230 2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
232 * haifa-sched.c (anti_dependency_cache, output_dependency_cache,
233 forward_dependency_cache): New variables.
234 (add_dependence, remove_dependence): Use anti_dependency_cache and
235 output_dependency_cache.
236 (compute_block_forward_dependences): Use forward_dependency_cache.
237 (schedule_insns): Allocate and free memory for anti/output/forward
240 2000-10-06 Alexandre Oliva <aoliva@redhat.com>
242 * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of
243 `! TARGET_SH1'. Reindent.
245 2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
247 * builtins.c (is_valid_printf_arglist, expand_builtin_printf):
248 Move functions from here ...
250 * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf):
252 (c_expand_builtin): New function.
253 (init_function_format_info): Don't set `check_function_format_ptr'.
254 (c_common_nodes_and_builtins): Set built_in_class type for
255 printf/__builtin_printf to BUILT_IN_FRONTEND.
256 (c_expand_expr): Handle CALL_EXPRs that are front-end builtins.
258 * c-common.h (build_function_call): Declare.
260 * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND
261 to `lang_expand_expr' rather than `expand_builtin'.
263 * tree.c (check_function_format_ptr): Delete.
265 * tree.h (check_function_format_ptr): Likewise.
267 2000-10-06 Hans-Peter Nilsson <hp@bitrange.com>
269 * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
270 DW_OP_bregx when cfa->reg > 31.
272 * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
275 2000-10-05 Richard Henderson <rth@cygnus.com>
277 * c-decl.c (warn_missing_noreturn): Remove.
278 (c_expand_body): Don't set or check can_reach_end.
279 * c-tree.h (warn_missing_noreturn): Move ...
281 (can_reach_end): Remove.
282 * flow.c (check_function_return_warnings): New.
283 (make_edges): No edge to exit for noreturn sibcalls.
284 * function.c (expand_function_end): Save the return value
286 (mark_function_status): Mark it.
287 * function.h (struct function): Add x_clobber_return_insn.
288 * jump.c (can_reach_end): Remove.
289 (calculate_can_reach_end): Remove.
290 (jump_optimize_1): Don't call it.
291 * output.h (check_function_return_warnings): Declare.
292 * toplev.c (warn_missing_noreturn): Move from c-decl.c
293 (rest_of_compilation): Call check_function_return_warnings.
295 2000-10-05 Richard Henderson <rth@cygnus.com>
297 * Makefile.in (NM_FOR_TARGET): New.
298 (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES.
299 (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET.
300 * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the
301 shared library build on that and EXTRA_MULTILIB_PARTS.
302 * mkmap-flat.awk: New file.
303 * mkmap-symver.awk: New file.
304 * libgcc-std.ver: New file.
305 * config/libgcc-glibc.ver: New file.
306 * config/ia64/libgcc-ia64.ver: New file.
307 * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New.
308 (SHLIB_LINK): Add --version-script.
309 * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver.
310 * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
311 * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New.
312 (SHLIB_LINK): Add -M.
314 2000-10-05 Richard Henderson <rth@cygnus.com>
316 * Makefile.in (LIB2FUNCS): Add _clz.
317 * libgcc2.c (__ffsdi2): Use count_trailing_zeros.
318 (__clz_tab): Put in its own unit, non-static.
319 * libgcc2.h: Always include longlong.h.
321 * longlong.h [alpha] (count_leading_zeros): Use cmpbge with
322 a zero instead of -1.
323 (count_trailing_zeros): Likewise.
325 2000-10-05 Richard Henderson <rth@cygnus.com>
327 * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests
328 when second op1 is const0_rtx. Validate op0 as a register.
329 * config/alpha/alpha.md (setcc_internal): Don't allow constants
330 in the first argument of the compare.
331 (setcc_swapped_internal): Likewise.
332 (setne_internal): Likewise.
334 2000-10-05 Geoff Keating <geoffk@cygnus.com>
336 * tree.c (tree_size): New function split out of copy_node.
337 (make_node): Remove obstack handling. Use tree_size.
338 (copy_node): Use tree_size.
339 * tree.h: Prototype tree_size.
341 2000-10-05 Richard Henderson <rth@cygnus.com>
343 * diagnostic.c (output_format): Add missing break.
345 2000-10-05 Jim Wilson <wilson@cygnus.com>
347 * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a
348 SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last
349 sequence insn to INSN, and delete last sequence insn.
351 2000-10-05 Phil Edwards <pme@gcc.gnu.org>
353 * gcc.c (main): Include generated configargs.h header
354 and use arguments in '-v' output.
356 Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
358 * gcc.c: Move data on prefixes forward in file and reorganize.
359 (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1):
360 Always define, but make null if no value.
361 (static_specs): Add "md_exec_prefix", "md_startfile_prefix",
362 and "md_startfile_prefix_1".
363 (main): Check whether md_exec_prefix and the others are the
364 null string rather than whether the macro is defined.
366 Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk>
368 * (convert_move): Use zero_extendpsisi2 to do an unsigned extension
369 from PSImode to SImode.
371 2000-10-05 Jakub Jelinek <jakub@redhat.com>
373 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion
374 from float to integral mode with HOST_BITS_PER_WIDE_INT 64.
375 * dwarf2out.c (add_const_value_attribute): Divide by 4, not
378 Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
380 * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform
381 negation in proper type.a
383 2000-10-04 Richard Henderson <rth@cygnus.com>
385 * configure.in (enable-shared): New.
386 * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well.
387 (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc.
388 * mklibgcc.in: Use them to link shared a libgcc.
389 * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New.
390 * config/alpha/t-ieee (SHLIB_MULTILIB): New.
391 * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New.
392 * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New.
394 * configure.in (alpha-osf*): Use t-osf and x-osf.
395 * config/alpha/t-osf: New file.
396 * config/alpha/t-osf4: New file.
397 * config/alpha/x-osf: New file.
398 * config/alpha/x-alpha: Remove file.
400 2000-10-04 Will Cohen <wcohen@redhat.com>
402 * c-typeck.c (process_init_element): Added warning for zero-length
405 * extend.texi (Zero Length): State that static initializers for
406 zero-length arrays are not allowed.
408 Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz>
410 * rtlanal.c (single_set_1): Do not require USE and CLOBBERs
413 2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
415 * config/float-c4x.h: New.
416 * configure.in (c4x-*): Set float_format to c4x.
417 * configure: Regenerate.
419 2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
421 * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross
422 compilation for solaris versions 2.7 and greater.
424 2000-10-02 David O'Brien <obrien@dragon.nuxi.com>
426 * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define.
428 2000-10-01 Mark Mitchell <mark@codesourcery.com>
430 * config/ns32k/genix.h: Remove.
431 * config/ns32k/x-genix: Likewise.
432 * config/ns32k/xm-genix.h: Likewise.
433 * config/fx80: Remove all filee in directory.
434 * config/pyr: Likewise.
435 * config/tahoe: Likewise.
436 * config/gmicro: Likewise.
437 * config/spur: Likewise.
438 * configure.in: Remove configury bits for above targets.
439 * configure: Regenerated.
441 * configure.in: Don't configure chill by default.
442 * configure: Regenerated.
444 * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only.
445 (lang_mark_false_label_stack): Remove.
446 * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate
447 <top level> string in GC area.
448 (mark_splay_tree_node): New function.
449 (mark_splay_tree): Likewise.
450 * except.c (mark_eh_status): Only call lang_mark_false_label_stack
452 * ggc-callbacks.c (lang_mark_false_label_stack): Remove.
453 * ggc-common.c (lang_mark_false_label_stack): Change type.
454 * ggc.h (ggc_alloc_string): Add comment.
455 (ggc_strdup): New function.
457 Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru>
459 * config/avr/avr.h (BRANCH_COST): Define as 0.
461 * config/pdp11/pdp11.c: #include "tree.h" added.
463 2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl>
465 * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out,
466 ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases
467 with known shift count.
468 * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3):
469 New alternative for shift count 2 with no scratch register.
470 (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to
471 "set_n" for shift counts 1 and 2.
473 2000-09-30 Geoff Keating <geoffk@cygnus.com>
475 * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate
476 the mask value from the individual SET operations.
477 (return_internal_si): Move the USE after the RETURN.
478 (return_internal_di): Likewise.
479 (return_and_restore_fpregs_si): Likewise.
480 (return_and_restore_fpregs_di): Likewise.
481 (return_eh_si): Likewise.
482 (return_eh_di): Likewise.
483 * config/rs6000/rs6000.c (mtcrf_operation): Don't look for,
485 (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr.
486 Don't generate a PARALLEL around a single operation movsi_to_cr.
487 Generate the RETURN first in any PARALLELs.
489 * rtlanal.c (single_set_1): Use fatal_insn to display the
490 invalid insn. Check for more cases when a USE or CLOBBER occurs
492 * Makefile.in: Update dependencies for rtlanal.o.
494 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
496 * i386.c: Move include of "config.h" to before that of <setjmp.h>.
498 2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk>
500 * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi:
501 Consistently use @email for formatting email addresses.
503 2000-09-29 Richard Henderson <rth@cygnus.com>
505 * cse.c (notreg_cost): New argument outer.
506 (COST): Pass in SET to notreg_cost
508 (fold_rtx): Use COST_IN. Prefer constants when costs
511 2000-09-29 David Edelsohn <edelsohn@gnu.org>
513 * fixinc/inclhack.def (broken_cabs): Generalize regex.
514 * fixinc/fixincl.x: Regenerate.
516 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
518 * loop.c (check_final_value): A GIV is not replaceable if used
521 Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com)
523 * version.c: Bump to gcc-2.97.
525 Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz>
527 * final.c (final_scan_insn): Remove extra extract_insn call;
528 Use caching for constrain_operands.
529 (cleanup_subreg_operands): Use caching for extract_insn.
530 * recog.c (constrain_operands_cached): New.
531 * recog.h (constrain_operands_cached): Declare.
532 * i386.c (ix86_attr_length_immediate_default,
533 ix86_attr_length_address_default, ix86_agi_dependant): Cache
536 * recog.c (asm_noperands): Tweak.
537 (extract_insn): Do not call asm_noperads for non-asm instructions.
539 Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
541 * recog.c (recog_memoized): Rename to recog_memoized_1.
542 * recog.h (recog_memoized): Rename to recog_memoized_1.
543 (recog_memoized): New macro.
544 * rtl.h (single_set): Rename to single_set_1
545 (single_set): New macro.
546 * rtlanal.c (single_set): Rename to single_set_1; expect clobbers
549 * i386.md (strmovsi_1, strmovhi_1 strmovqi_1):
550 Do not use match_dup of input operands at outputs.
551 Use register_operand for memory expression.
552 (rep_movsi): Put use last, canonicalize.
553 Use register_operand for memory expression.
554 (rep_movqi): Put use last.
555 Use register_operand for memory expression.
556 (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup
557 of input operands at outputs. Use register_operand for memory
559 (rep_stossi): Put use last; canonicalize; fix match_dup in
560 the address expression
561 (rep_stosqi): Likewise.
562 (memcmp expander): Update calls.
563 (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in
566 * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is
568 (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons.
570 2000-09-28 David O'Brien <obrien@FreeBSD.org>
572 * config/i386/freebsd-aout.h: New, FreeBSD a.out config file.
573 Contains the old contents of config/i386/freebsd.h
574 * config/i386/freebsd.h: Now the ELF rather than a.out config file.
575 Contains the old contents of config/i386/freebsd-elf.h
576 * config/i386/freebsd-elf.h: Retire this file -- contents moved to
577 config/i386/freebsd.h.
578 * configure.in: Adjust for above changes.
579 * po/POTFILES.in: Likewise.
580 * po/en_GB.po: Likewise.
581 * po/gcc.pot: Likewise.
582 * configure: Rebuilt.
584 2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
586 * doloop.c (doloop_modify): Prevent delete_insn() from
587 deleting too much. Prefer loop->top over loop->start as
588 target for the new JUMP insn.
589 (doloop_valid_p): Ignore loop with exit_count != 0.
591 2000-09-28 Philipp Thomas <pthomas@suse.de>
593 * invoke.texi (i386 Options): Add athlon to table of possible
596 2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com>
598 * diagnostic.h (output_clear_message_text): New function.
599 (output_message_text): New macro.
601 * diagnostic.c (clear_text_info): Rename to
602 output_clear_message_text.
603 (output_clear): Adjust.
604 (output_finish): Rename to output_finalize_message. Tweek.
605 (output_to_stream): Adjust.
607 2000-09-28 Neil Booth <neilb@earthling.net>
609 * cpperror.c (_cpp_begin_message): Do the test for suppression
610 of warnings and pedantic warnings before the "is a warning an
612 * cppinit.c (cpp_handle_option): Remove surplus \n.
613 * cpplex.c (ON_REST_ARG): Delete.
614 (skip_block_comment): Initialise prevc.
615 (parse_args): Improve error messages.
616 (maybe_paste_with_next): Use CONTEXT_VARARGS rather
618 * cpplib.c (cpp_push_buffer): Fix grammar in message.
619 * cppmain.c (main): Set callbacks for #ident and #pragma
620 only if no_output option is false.
621 (do_pragma_implementation): Only call the #pragma handler
622 if it is set in the cpp_reader structure.
624 Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com>
626 * integrate.c (copy_insn_list): if an ignored return value
627 is being clobbered, skip cloning that into the inline copy.
629 2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk>
631 * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently
632 use @uref for formatting URLs.
634 2000-09-27 Mark Elbrecht <snowball3@bigfoot.com>
636 * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables
639 Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net>
641 * gcc.c (cpp_options): Add spec for -ftabstop=.
642 (invoke_as): New spec that handles invoking as.
643 Update specs to handle -save-temps and -traditional.
644 * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h:
646 * cp/lang-specs.h, objc/lang-specs.h: Update to use
647 invoke_as, and handle -save-temps and -traditional (if
650 2000-09-26 Jakub Jelinek <jakub@redhat.com>
652 * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when
654 (function_arg_slotno): Accept TImode/CTImode.
655 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define
658 2000-09-26 Michael Hayes <mhayes@cygnus.com>
660 * flow.c (flow_loop_pre_header_scan): Punt if loop enters
663 2000-09-25 Jim Wilson <wilson@cygnus.com>
665 * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS.
666 (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P.
667 (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG.
668 (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P.
670 Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net>
672 * cpplex.c (parse_args): Don't set VOID_REST flag.
673 (CONTEXT_VARARGS): New flag.
674 (maybe_paste_with_next): Set context earlier in loop. Use
675 it. Do varargs test with CONTEXT_VARARGS flag.
676 (push_arg_context): Set CONTEXT_VARARGS flag if we're
677 pushing an argument context for a varargs argument.
678 * cpplib.h (VOID_REST): Delete.
679 * gcc.dg/cpp/vararg1.c: Add test case.
681 2000-09-25 Branko Cibej <branko.cibej@hermes.si>
683 * flags.h: Declare warning flag warn_system_headers.
684 * toplev.c: Define it.
685 (W_options): Add option -Wsystem-headers.
686 * diagnostic.c (count_error): Test warn_system_headers.
687 * invoke.texi: Add description for -Wsystem-headers.
688 * cpplib.h (cpp_options): New member warn_system_headers.
689 * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test
690 CPP_IN_SYSTEM_HEADER.
691 * cpplib.c (do_import, do_pragma_once): Likewise.
692 * cpperror.c (_cpp_begin_message): Test warn_system_headers
693 and CPP_IN_SYSTEM_HEADER.
694 * cppinit.c (handle_option): Recognize -Wsystem_headers.
695 (print_help): Describe -Wsystem_headers.
696 * cpplex.c (lex_line): Reorganize condition so that warnings
697 about C++ comments in system headers can be enabled. Remove
698 label do_line_comment.
700 Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net>
702 * cpplex.c (save_comment): Only store the initial '/'
704 (lex_token): Combine handling of the two comment types.
705 Pass everything but the initial '/' to save_comment.
707 Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net>
709 * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive,
710 _cpp_can_paste): New library-internal prototypes.
711 * cpplex.c (dump_param_spelling, output_line_command,
712 output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput,
713 cpp_printf, cpp_output_list): Move to cppoutput.c.
714 (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix.
715 * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to
717 * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token,
718 dump_param_spelling, output_line_command, cpp_scan_buffer,
719 cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved
721 * Makefile.in: Add cppoutput.c.
722 * po/POTFILES.in: Add cppoutput.c.
724 2000-09-25 Richard Henderson <rth@cygnus.com>
726 * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n.
727 * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't
728 split until after reload.
729 (rotlsi3, rotldi3): New.
731 2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com>
733 * diagnostic.c (output_last_position): Define.
734 (set_real_maximum_length): Tweek.
735 * diagnostic.h (output_last_position): Declare.
737 2000-09-25 Kazu Hirata <kazu@hxi.com>
739 * config/i386/i386.c: Fix formatting.
741 2000-09-24 Alan Lehotsky <alehotsky@cygnus.com>
743 * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when
744 UNITS_PER_WORD is small.
746 2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk>
748 * c-common.c (format_char_info): Add flags2; update comments.
749 (print_char_table, scan_char_table, time_char_table): Split some
750 flags out into flags2.
751 (check_format_info): Use flags2 for those flags, for identifying
752 the initial character of a scanf scanset, and for identifying
753 printf formats where the '0' flag is ignored with precision.
755 2000-09-25 Hans-Peter Nilsson <hp@axis.com>
757 Changes below marked "here" add TABs on either or both sides,
758 covering start of line, up to any operand for all noted .*ASM.*_OP
759 definitions. All callers changed.
760 * tm.texi: Make documented *_ASM.*_OP:s include spacing
761 (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP,
762 BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
763 ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
764 ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP).
765 Fix typos in description for LONG_LONG_TYPE_SIZE and
767 * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain
768 why these defaults don't have leading spacing.
769 * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here.
770 * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
771 UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here.
772 * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP,
773 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP,
774 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here.
775 * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here.
776 * varasm.c (ASM_STABS_OP): Here.
777 * xcoffout.h (ASM_STABS_OP): Here.
778 * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
779 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
780 INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP,
781 STRING_ASM_OP): Here.
782 * config/freebsd.h (IDENT_ASM_OP): Here.
783 * config/linux-aout.h (SET_ASM_OP): Here.
784 * config/linux.h (SET_ASM_OP): Here.
785 * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
787 * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
788 * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here.
789 * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here.
790 * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
792 * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP,
793 SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP,
794 INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP,
795 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
796 FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here.
797 * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
798 CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here.
799 * config/a29k/udi.h (INT_ASM_OP): Here.
800 * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP,
801 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
803 * config/alpha/alpha.h (TEXT_SECTION_ASM_OP,
804 READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
805 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
806 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP,
808 * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP,
809 COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP,
810 CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
811 BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP,
812 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP,
813 SIZE_ASM_OP, STRING_ASM_OP): Here.
814 * config/alpha/vms.h (LINK_SECTION_ASM_OP,
815 READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP,
816 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here.
817 * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here.
818 (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT.
819 * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP):
821 * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
822 BSS_SECTION_ASM_OP, SET_ASM_OP): Here.
823 * config/arm/coff.h (INT_ASM_OP): Here.
824 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here.
825 * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here.
826 * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP,
827 INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here.
828 * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here.
829 * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
830 ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP,
831 STRING_ASM_OP): Here. Update documentation copy in comments.
832 * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here.
833 * config/clipper/clipper.h (TEXT_SECTION_ASM_OP,
834 DATA_SECTION_ASM_OP): Here.
835 * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP):
837 * config/convex/convex.h (TEXT_SECTION_ASM_OP,
838 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
839 * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
840 BSS_SECTION_ASM_OP): Here.
841 * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
842 BSS_SECTION_ASM_OP): Here.
843 * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
845 * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP,
846 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here.
847 * config/h8300/h8300.h (ASM_WORD_OP): Here.
848 * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
849 BSS_SECTION_ASM_OP): Here.
850 * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here.
851 * config/i386/bsd.h (ASM_BYTE_OP): Here.
852 * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here.
853 * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here.
854 * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP):
856 * config/i386/freebsd-elf.h (SET_ASM_OP): Here.
857 * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP):
859 * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP,
860 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
861 * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP,
862 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP,
864 * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here.
865 * config/i386/netbsd.h (INT_ASM_OP): Here.
866 * config/i386/openbsd.h (INT_ASM_OP): Here.
867 * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP,
869 * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP,
870 ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP,
871 LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP,
872 SKIP_ASM_OP, GLOBAL_ASM_OP): Here.
873 * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP,
874 SHARED_BSS_SECTION_ASM_OP): Here.
875 * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here.
876 * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
877 DATA_SECTION_ASM_OP): Here.
878 * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
879 CONST_SECTION_ASM_OP): Here.
880 * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here.
881 * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
882 BSS_SECTION_ASM_OP): Here.
883 * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here.
884 * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here.
885 * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP,
886 BSS_ASM_OP): Here, but use trailing spaces.
887 * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
888 DATA_SECTION_ASM_OP): Here.
889 * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP):
891 * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP,
892 DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here.
893 * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
894 TDESC_SECTION_ASM_OP): Here.
895 * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP,
896 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
897 * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
899 * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
900 BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP,
901 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
902 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
903 * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP,
904 COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP,
905 FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
906 SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here.
907 * config/m32r/m32r.h (SCOMMON_ASM_OP): Here.
908 * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here.
909 * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
910 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
912 * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
913 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
914 * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here.
915 * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here.
916 * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here.
917 * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here.
918 * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here.
919 * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
920 GLOBAL_ASM_OP): Here.
921 * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP,
922 BSS_SECTION_ASM_OP): Here.
923 * config/m68k/m68kv4.h (BSS_ASM_OP): Here.
924 * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
925 ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP,
926 DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP,
928 * config/m68k/newsgas.h (SET_ASM_OP): Here.
929 * config/m68k/rtemself.h (INIT_SECTION_ASM_OP,
930 FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
931 * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP,
932 SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP,
933 SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here,
934 but use trailing spaces.
935 * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP,
936 DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP,
937 FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP):
939 * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
940 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
941 * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
942 CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP,
943 DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
944 IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP,
945 GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP,
946 BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP,
947 CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP,
948 SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP,
949 VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
950 PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP,
952 * config/m88k/openbsd.h (SET_ASM_OP): Here.
953 * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
954 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here.
955 * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP,
956 UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP,
957 DTORS_SECTION_ASM_OP): Here.
958 * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP,
959 DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
960 * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP,
961 BSS_SECTION_ASM_OP): Here.
962 * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here.
963 * config/mips/iris5.h (ABICALLS_ASM_OP): Here.
964 * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP,
965 POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32,
966 CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP,
967 DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here.
968 * config/mips/mips.c (ABICALLS_ASM_OP): Here.
969 * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP):
971 * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP):
973 * config/mips/osfrose.h (SET_ASM_OP): Here.
974 * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here.
975 * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here.
976 * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here.
977 * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
979 * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here.
980 * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here.
981 * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here.
982 * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here.
983 * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here.
984 * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
986 * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
988 * config/rs6000/rs6000.h (SET_ASM_OP): Here.
989 * config/rs6000/sol2.h (ASM_STABN_OP): Here.
990 * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP):
992 * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP,
993 UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here.
994 * config/sparc/linux.h (COMMON_ASM_OP): Here.
995 * config/sparc/linux64.h (COMMON_ASM_OP,
996 UNALIGNED_DOUBLE_INT_ASM_OP): Here.
997 * config/sparc/litecoff.h (BSS_SECTION_ASM_OP,
998 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here.
999 * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here.
1000 * config/sparc/pbd.h (ASM_INT_OP): Here.
1001 * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here.
1002 * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP,
1003 DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here.
1004 * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP,
1005 UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here.
1006 * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP,
1007 UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP,
1008 UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP,
1009 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP,
1010 CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
1011 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP,
1012 EH_FRAME_SECTION_ASM_OP): Here.
1013 * config/sparc/vxsim.h (COMMON_ASM_OP): Here.
1014 * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
1016 * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
1018 * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP,
1019 TCOMMON_ASM_OP): Here.
1020 * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP):
1022 * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
1025 2000-09-25 Richard Henderson <rth@cygnus.com>
1027 * expmed.c (store_bit_field): Adjust last change to not consider
1028 any word-sized field naturally aligned.
1030 2000-09-24 Richard Henderson <rth@cygnus.com>
1032 * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
1033 TFmode unordered compares properly. Revalidate integer compare
1035 (alpha_emit_setcc): New.
1036 (alpha_emit_conditional_move): Revalidate integer compare operands.
1037 * config/alpha/alpha-protos.h: Update.
1038 * config/alpha/alpha.md (cmpdi): Allow general operands.
1039 (sne): Use alpha_emit_setcc.
1040 (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise.
1041 (sunordered, sordered): New.
1043 2000-09-24 Richard Henderson <rth@cygnus.com>
1045 * config/ia64/ia64-protos.h: Update.
1046 * config/ia64/ia64.c (call_multiple_values_operation): Remove.
1047 (ia64_expand_call): New.
1048 (ia64_expand_prologue): Emit an alloc if we need extra input
1050 (ia64_expand_epilogue): New arg sibcall_p; don't emit the return
1051 instruction if true.
1052 (struct reg_flags): Add is_sibcall.
1053 (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs.
1054 (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks
1055 for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal.
1056 * config/ia64/ia64.h (PREDICATE_CODES): Update.
1057 * config/ia64/ia64.md (call): Use ia64_expand_call.
1058 (call_value): Likewise.
1059 (sibcall, sibcall_value): New.
1060 (call patterns): Remove extra expanders; tidy.
1061 (sibcall_epilogue): New.
1062 (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC.
1064 2000-09-24 Richard Henderson <rth@cygnus.com>
1066 * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode.
1068 * sibcall.c (skip_pic_restore): New.
1069 (identify_call_return_value): Use it.
1071 2000-09-24 Mark Mitchell <mark@codesourcery.com>
1073 * c-tree.texi: Moved here from cp/ir.texi. Documented nested
1074 functions. Generalize to handle both C and C++.
1075 * Makefile.in (c-tree.info): New target.
1076 (info): Add c-tree.info.
1078 Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1080 * expr.c (store_field): If BITSIZE is negative, use size of type.
1081 (expand_expr, case COMPONENT_EXPR): Likewise.
1083 Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net>
1085 * cpplex.c: Update TODO comment.
1086 * cpplib.c (do_error, do_warning): Merge common code of
1087 do_error and do_warning into do_diagnostic. Use it.
1088 (do_diagnostic): New function.
1089 * cpplib.h: Fix comment typo.
1091 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
1093 * c-common.c (check_format_info): Warn for a wide character string
1094 used as a non-wide format argument.
1096 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
1098 * builtins.def (BUILT_IN_LLABS): Add.
1099 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
1100 * c-common.c (c_common_nodes_builtins): Create builtin functions
1101 __builtin_llabs, and plain llabs unless no_nonansi_builtins
1102 outside of C99 mode.
1103 (expand_tree_builtin): Handle BUILT_IN_LLABS.
1105 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
1107 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
1108 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
1109 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
1110 _cpp_free_toklist): No need to worry about extra dummy token
1111 at the start of token lists any more.
1112 (trigraph_ok): Only warn outside comments.
1113 (skip_block_comment): Set and clear lexing_comment.
1114 (skip_line_comment): Take a cpp_reader not cpp_buffer.
1115 Set and clear lexing_comment.
1116 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
1117 (check_long_token): Delete.
1118 (lex_percent, lex_dot): New subroutines of lex_token to
1119 handle lexing of '.' and '%' without lookback.
1120 (lex_token): Use lex_dot and lex_percent.
1121 (lex_line): Don't check for LIST_OFFSET.
1122 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
1123 * cpplib.c (_cpp_parse_assertion): Similarly.
1124 (cpp_push_buffer): Initialize extra_char.
1125 * cpplib.h (LIST_OFFSET): Delete.
1126 (struct cpp_buffer): New member extra_char.
1127 (struct lexer_state): New members lexing_comment and seen_dot.
1129 2000-09-23 Jason Merrill <jason@redhat.com>
1131 * config/rs6000/x-aix41 (CLIB): Define here.
1132 * config/rs6000/t-aix43: Not here.
1133 * config/rs6000/t-aix41: Or here. Remove.
1134 * configure.in: Don't use it.
1136 2000-09-22 Jason Merrill <jason@redhat.com>
1138 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
1139 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
1140 * config.in: Regenerate.
1142 * configure.in: Fix checks for assembler features when using a
1143 one-tree assembler that has not yet been built.
1144 Fix --disable-threads.
1146 2000-09-19 Geoff Keating <geoffk@cygnus.com>
1148 * stmt.c (expand_asm_operands): Allow # in constraints.
1150 2000-09-22 Jason Merrill <jason@redhat.com>
1152 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
1154 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
1155 function-local names.
1157 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
1158 Mark Mitchell <mark@codesourcery.com>
1160 * toplev.c (warn_disabled_optimization): Declare new warning flag.
1161 * flags.h (warn_disabled_optimization): Add it here.
1162 * gcse.c (gcse_main): Add warning when disabled.
1163 * invoke.texi: Document -Wdisabled-optimization.
1165 2000-09-21 Jason Merrill <jason@redhat.com>
1167 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
1169 * dwarf2out.c (tree_add_const_value_attribute): New fn.
1170 (gen_variable_die): Call it for non-definitions.
1172 * dwarf2out.c (die_struct): Add die_mark field.
1173 (mark_dies, unmark_dies): New fns.
1174 (clear_die_sizes): Remove.
1175 (print_die): Check die_symbol rather than die_offset.
1176 (build_abbrev_table, output_pubnames, output_aranges): Check
1177 die_mark rather than die_offset.
1178 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
1181 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
1183 * cppfiles.c (lookup_include_file): Rename to open_file.
1184 Always create a splay tree value, even on syscall failures.
1185 Negative entries indicated by fd == -2.
1186 Re-open files closed in the meantime.
1187 (_cpp_fake_include): Create a negative splay tree entry.
1188 (find_include_file, cpp_read_file): Update for function name
1190 * gcc.gd/cpp/mi4.c: Testcase.
1192 2000-09-21 Nick Clifton <nickc@redhat.com>
1194 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
1195 ARM and THUMB modes.
1197 * config/mcore/mcore.c: Fix compile time warnings.
1198 * config/mcore/mcore-protos.h: Fix compile time warnings.
1200 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1202 * configure.in: Correct test of gcc_cv_glibc.
1203 * configure: Rebuilt.
1204 * config.in: Rebuilt.
1206 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1208 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
1209 (expand_builtin): Handle BUILT_IN_FWRITE.
1211 * builtins.def (BUILT_IN_FWRITE): New entry.
1213 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
1215 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1217 * gcc.c (modify_target): New variable and struct.
1218 (process_command): Handle MODIFY_TARGET_NAME.
1219 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
1220 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
1222 * c-decl.c (finish_decl): Add else's to avoid referencing
1223 TYPE_DOMAIN of an ERROR_MARK.
1225 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
1227 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
1230 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
1232 * config/avr/avr.md (neghi2): Add alternative for input and output
1233 operands in different registers, as in negsi2.
1234 (*negsi2): Remove '*' from the name. Use "movw" if available.
1236 2000-09-19 Jim Wilson <wilson@cygnus.com>
1238 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
1239 HAVE_GAS_HIDDEN macro.
1241 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
1243 * cpplex.c (lex_line): Drop the EOF token for unknown
1244 directives in assembler.
1246 2000-09-19 David Edelsohn <edelsohn@gnu.org>
1248 * configure.in: Allow enable_threads_flag value of "aix". Define
1249 thread_file as "aix" for AIX 4.3 and above.
1250 * configure: Regenerated.
1252 * gthr-aix.h: New file.
1254 * rs6000/t-aix43: Replace soft-float multilib with pthread.
1255 Remove 403 processor multilib match. Fix rios2 processor multilib
1258 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
1259 to return to appropriate csect.
1261 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1263 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
1265 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
1266 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
1269 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
1272 * c-common.c (init_function_format_info): Handle __builtin_printf.
1273 Set `check_function_format_ptr'.
1274 (c_common_nodes_and_builtins): Set `puts_ftype' and
1275 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
1276 __builtin_printf and printf.
1278 * tree.c, tree.h (check_function_format_ptr): Declare.
1280 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
1282 * cppfiles.c (read_include_file): Take no special action for
1285 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
1287 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
1288 rather than that of branch.
1289 (shorten_branches): Don't increment insn_current_address twice.
1291 Undo most of the Wed Jan 27 23:39:53 1999 patch:
1292 * loop.h (struct induction): Delete members derived, ix and last_use.
1293 (struct loop_ivs): Delete members first_increment_giv and
1295 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
1296 recombine_givs): Delete functions.
1297 (find_and_verify_loops): Don't initialize cont_dominator.
1298 (strength_reduce): Lose code to try to find bivs that can be
1299 expressed as givs of another biv, and to convert biv increments
1301 Lose loop_scan_start variable, always use loop->scan_start.
1302 Don't call recombine_givs. Don't handle derived givs.
1303 (record_giv): Don't initialize derived and last_use fields.
1304 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
1306 * unroll.c (derived_regs): Delete static variable.
1307 (unroll_loop): Don't initialize it.
1308 (copy_loop_body): Lose code to handle derived givs.
1309 (find_splittable_givs): Don't check for givs made from biv
1311 Don't set derived_regs.
1313 Fix misapplied earlier patch:
1314 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
1316 (floatsisf2): Generate floatsisf_ie by default.
1317 (floatsisf_i4): Conditional on TARGET_SH4.
1319 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
1320 predicate for the expanders.
1322 2000-09-19 Richard Henderson <rth@cygnus.com>
1324 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
1325 in addition to pentium and pentiumpro symbols.
1326 (CPP_CPU_DEFAULT_SPEC): Likewise.
1328 * c-typeck.c (c_expand_asm_operands): Restore the output tree
1331 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
1332 if the tree has side effects.
1333 (warn_if_unused_value): Do not warn about void constructs.
1335 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
1337 * unroll.c (copy_loop_body): Update LABEL_NUSES before
1338 calling invert_jump.
1340 2000-09-18 Geoff Keating <geoffk@cygnus.com>
1342 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
1345 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1347 * Makefile.in (c-common.o): Depend on diagnostic.h.
1349 * c-common.c: Include diagnostic.h.
1351 (status_warning): New function.
1352 (check_format_info, maybe_read_dollar_number, check_format_types,
1353 finish_dollar_format_checking, check_function_format): Accept a
1354 `status' parameter. All callers changed.
1356 * c-common.h (check_function_format): Accept a `status' parameter.
1358 * c-typeck.c: Update call to `check_function_format'.
1360 2000-09-18 Richard Henderson <rth@cygnus.com>
1362 * c-decl.c (c_expand_body): Call mark_varargs before
1363 expand_function_start.
1365 2000-09-18 Geoff Keating <geoffk@cygnus.com>
1367 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
1368 * config/rs6000/eabi-ci.asm: Likewise.
1370 2000-09-18 Richard Henderson <rth@cygnus.com>
1372 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
1375 2000-09-18 Jim Wilson <wilson@cygnus.com>
1377 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
1378 before passing it to fold_rtx_mult_add.
1380 * unroll.c (final_giv_value): Pass increment through
1381 extend_value_for_giv before passing it to emit_iv_add_mult.
1383 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
1384 paradoxical subreg, then directly substitute the replacement and
1387 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
1389 * cpp.texi: Update documentation, including some clarifications,
1390 the treatment of various newline combinations, and space between
1391 backslash and newline.
1393 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
1395 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
1396 Replace ASM_OUTPUT_LABELREF with assemble_name.
1398 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
1400 * sh.c (addsubcosts): CONST is not cheap.
1401 (find_barrier): For Sh1, take alignment after jumps into account.
1403 2000-09-15 Andrew Haley <aph@redhat.com>
1405 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
1406 remove all SETs of SUBREGs of hard registers.
1407 * function.c (purge_hard_subreg_sets): New function.
1408 (purge_single_hard_subreg_set): New function.
1409 * rtl.h: (purge_hard_subreg_sets): New function.
1411 2000-09-18 Richard Henderson <rth@cygnus.com>
1413 * config/ia64/ia64-protos.h: Update.
1414 * config/ia64/ia64.c (signed_inequality_operator): New.
1415 (ia64_expand_compare): New.
1416 (ia64_register_move_cost): Handle PR_REGS moves.
1417 (ia64_secondary_reload_class): Require a GR when moving to a PR.
1418 (struct reg_write_state): Add written_by_and/or.
1419 (struct reg_flags): Add is_and/or.
1420 (rws_update): Set them.
1421 (rws_access_regno): Test them to allow parallel comparisons.
1422 (rtx_needs_barrier): Recognize parallel comparisons.
1423 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
1424 Call recog_memoized; ignore pred_rel_mutex.
1425 (emit_predicate_relation_info): Don't call find_basic_blocks here.
1426 (ia64_reorg): Do it here instead.
1427 * config/ia64/ia64.h: s/CCmode/BImode/g
1428 (MODES_TIEABLE_P): Don't tie BImode.
1429 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
1430 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
1431 (RTX_COSTS): Make multiply 4 insns.
1432 (MEMORY_MOVE_COST): New.
1433 (PREDICATE_CODES): Update.
1434 * config/ia64/ia64.md: s/CCmode/BImode/g
1435 (movcci, movbi): New.
1436 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
1437 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
1438 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
1439 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
1440 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
1441 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
1442 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
1443 (mulsi, muldi): Use xmpy not xma.
1445 (movcc, movcc_internal): Remove.
1446 (branch expanders): Use ia64_expand_compare.
1447 (setcc expanders): Likewise.
1448 (cmov insns): Use move_operand and ia64_move_ok.
1449 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
1450 scheduler from moving it past a use.
1451 * config/ia64/build.hacks: Remove.
1453 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
1455 * cpphash.h (HASHSTEP): Take character rather than pointer
1457 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
1459 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
1461 * cpplex.c (auto_expand_name_space, trigraph_replace,
1462 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
1463 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
1464 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
1465 KNOWN_DIRECTIVE): Delete.
1467 (handle_newline, check_long_token, skip_escaped_newlines,
1468 unterminated): New functions.
1469 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
1471 (parse_identifier): Was parse_name, new implementation.
1472 (skip_line_comment, skip_block_comment, skip_whitespace,
1473 parse_number, parse_string, trigraph_ok, save_comment,
1474 adjust_column, _cpp_get_line): New implementations.
1476 (lex_token): New function. Lexes a token at a time, looking
1477 forwards. Contains most of the guts of the old lex_line.
1478 (lex_line): New implementation, using lex_token to obtain
1480 (cpp_scan_buffer): Use the token's line, not the list's line.
1482 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
1483 New implementations.
1484 (do_assert): Don't bother setting the answer's list's line.
1485 (cpp_push_buffer): Initialise new pfile and read_ahead members
1486 of struct cpp_buffer.
1488 * cpplib.h (cppchar_t): New typedef.
1489 (struct cpp_buffer): read_ahead, pfile and col_adjust are
1491 (struct lexer_state): New structure that determines the state
1492 and behaviour of the lexer.
1493 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
1494 (struct cpp_reader): New member "state". Rename
1495 multiline_string_line and multiline_string_column. Delete
1496 col_adjust, in_lex_line members.
1497 (CPP_BUF_COLUMN): Update.
1499 2000-09-18 Richard Henderson <rth@cygnus.com>
1501 * combine.c (simplify_comparison): Shift a NOT out of a single
1504 * combine.c (if_then_else_cond): Canonicalize BImode true to
1506 * explow.c (trunc_int_for_mode): Likewise.
1508 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
1509 the NOT for De Morgan's rule.
1510 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
1511 of a comparison to the reverse comparison.
1513 * combine.c (try_combine): Allow split to create a single insn.
1515 * machmode.def: Add BImode. Add a column for bitsize.
1516 * machmode.h (DEF_MACHMODE): Adjust for extra column.
1517 (GET_MODE_BITSIZE): Use it.
1518 * rtl.c (DEF_MACHMODE): Adjust for extra column.
1519 (mode_bitsize): New.
1520 (mode_mask_array): Use bitsize.
1521 * combine.c (combine_simplify_rtx): Require inner and outer
1522 modes to match on nonzero_bits optimizations.
1524 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
1526 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
1527 its entry in spill_reg_store.
1528 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
1529 * sh.c (reg_no_subreg_operand): New function.
1530 * sh-protos.h (reg_no_subreg_operand): Declare it.
1531 * sh.h (PREDICATE_CODES): Add it.
1532 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
1533 input operand that needs to be in fpul.
1534 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
1535 * sh.c (find_barrier): Take into account that machine_dependent_reorg
1536 might add new insns.
1538 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
1540 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
1542 (sh_expand_epilogue): Take the PIC register into account when
1543 computing the frame size.
1545 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
1546 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
1547 LABEL_REFs with a PIC-safe unspec.
1549 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
1551 * c-common.c (check_format_info): Properly save the argument
1552 number and parameter for $ operand number formats in case width
1553 and precision arguments are also used. Allow printf width and
1554 precision arguments to have operand numbers even if none was
1555 specified for the main format, since this is OK for %*.*m. Only
1556 object to missing $ operand number if the format used requires an
1559 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
1561 * c-common.c (format_char_info): Add 'W' flag to comment.
1562 (print_char_table, scan_char_table): Use it.
1563 (check_format_info): Use the 'W' flag to determine whether a
1564 format argument is written into.
1566 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
1568 * c-common.c (check_format_types): Reorganise and clean up,
1569 checking earlier for ERROR_MARKs and making cur_type into its
1570 TYPE_MAIN_VARIANT where convenient.
1572 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
1574 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
1576 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
1578 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
1580 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
1581 * i386.c (struct builtin_description): New.
1582 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
1583 (mmx_reg_operand): Declare MODE arg as unused.
1584 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
1585 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
1586 ix86_expand_binop_builtin, ix86_expand_store_builtin,
1587 ix86_init_builtins, ix86_expand_builtin): New functions.
1588 * i386.h (ix86_builtins): New enumeration.
1589 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
1590 * i386.md (attr length_immediate): 0 for mmx/sse types.
1591 (attr prefix_0f): 1 for mmx/sse types.
1592 (setcc_2): Remove "*" so we get gen_setcc_2.
1593 (emms): Account for changed register numbering. Set "memory" attr
1595 (sfence): Set "memory" attr to unknown.
1597 2000-09-18 Andreas Jaeger <aj@suse.de>
1599 * configure.in: Define _GNU_SOURCE only when using the GNU C
1601 * configure: Regenerated.
1602 * config.in: Regenerated.
1604 2000-09-17 Mark Mitchell <mark@codesourcery.com>
1606 * cppinit.c (cpp_init): Don't use ANSI prototypes.
1607 * flow.c (flow_dump_loop): Likewise.
1608 (flow_loops_dump): Likewise.
1610 * c-typeck.c (c_start_case): Fix typo.
1612 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
1614 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
1615 to int for plain complex which defaults to complex double. Do
1616 warn about defaulting to complex double if pedantic. Warn about
1617 complex integer types if pedantic. Warn about complex types if
1618 pedantic and not in C99 mode.
1619 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
1620 for complex conjugation.
1622 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
1624 * contrib.texi: Update my entry.
1626 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
1628 * config/avr/avr.md (mcu_enhanced): New attribute.
1629 (mcu_mega): Likewise.
1630 (extendhisi2): Use mcu_enhanced.
1631 (zero_extendhisi2): Likewise.
1632 (call_insn): Use mcu_enhanced and mcu_mega.
1633 (call_value_insn): Likewise.
1634 (*sbrx_branch): Use mcu_mega.
1635 (*sbrx_and_branchsi): Likewise.
1636 (*sbrx_and_branchhi): Likewise.
1637 (*tablejump_lib): Likewise.
1639 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1641 * alias.c (true_dependence): Allow non-unchanging read to conflict
1642 with unchanging write.
1644 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
1645 (store_constructor): Pass alias_set to it.
1647 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
1648 TYPE_MAIN_VARIANT of ERROR_MARK.
1649 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
1651 * simplify-rtx.c (simplify_unary_operation): Add cases
1652 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
1654 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
1656 * expr.h (emit_library_call, emit_library_call_value): Delete
1658 * rtl.h (enum libcall_type): New.
1659 (emit_library_call, emit_library_call_value): Change fn_type arg to
1660 be of type enum libcall_type.
1661 * calls.c: Likewise for the function definitions. Several callers
1662 throughout changed to use the new enumeration appropriately.
1663 (emit_library_call_value_1): Likewise. Put back code to make libcall
1664 blocks of equal form, but only use it for the two new higher
1667 2000-09-16 Mark Mitchell <mark@codesourcery.com>
1669 Convert the C front-end to use function-at-a-time mode.
1670 * c-common.h: Include splay-tree.h.
1671 (C_DECLARED_LABEL_FLAG): New macro.
1672 (struct language_function): Add x_scope_stmt_stack and
1673 x_function_name_declared_p.
1674 (RECHAIN_STMTS): Move definition.
1675 (lang_statment_code_p): Likewise.
1676 (lang_expand_stmt): Likewise.
1677 (lang_expand_decl_stmt): New variable.
1678 (lang_expand_function_end): Likewise.
1679 (current_scope_stmt_stack): New function.
1680 (add_decl_stmt): Likewise.
1681 (add_scope_stmt): Likewise.
1682 (mark_stmt_tree): Likewise.
1683 (struct c_lang_decl): New structure.
1684 (DECL_SAVED_TREE): Define.
1685 (c_mark_lang_decl): New function.
1686 (c_expand_start_cond): Change prototype.
1687 (c_finish_then): New function.
1688 (c_finish_else): Likewise.
1689 (current_function_name_declared): Remove.
1690 (set_current_function_name_declared): Likewise.
1691 (mark_c_language_function): Declare.
1692 (case_compare): Likewise.
1693 (c_add_case_label): Likewise.
1694 (c_expand_expr): Likewise.
1695 (c_safe_from_p): Likewise.
1696 * c-common.c (lang_expand_function_end): New variable.
1697 (struct if_elt): Add if_stmt.
1698 (c_expand_start_cond): Add the if-statement to the statement-tree,
1699 rather than generating RTL.
1700 (c_finish_then): New function.
1701 (c_expand_start_else): Don't generate RTL.
1702 (c_finish_else): New function.
1703 (c_expand_expr_stmt): Don't generate RTL.
1704 (statement_code_p): Add SCOPE_STMT.
1705 (case_compare): New function.
1706 (c_add_case_label): Likewise.
1707 (mark_stmt_tree): Likewise.
1708 (c_mark_lang_decl): Likewise.
1709 (mark_c_language_function): Likewise.
1710 (c_expand_expr): Likewise.
1711 (c_safe_from_p): Likewise.
1712 * c-decl.c (c_stmt_tree): New variable
1713 (c_scope_stmt_stack): Likewise.
1714 (c_function_name_declared_p): Likewise.
1715 (lang_expand_expr_stmt): Remove.
1716 (poplevel): Don't call output_inline_function for nested
1718 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
1720 (redeclaration_error_message): Change means of computing whether
1721 or not a function is nested.
1722 (lookup_label): Don't call label_rtx.
1723 (init_decl_processing): Add more GC roots.
1724 (start_decl): Add DECL_STMTs to the statement-tree, rather than
1725 calling rest_of_decl_compilation.
1726 (finish_decl): Don't call expand_decl.
1727 (store_parm_decls): Begin the statement-tree, but don't generate
1729 (finish_function): Tie off the statement-tree. Call c_expand_body
1731 (c_expand_body): New function.
1732 (push_c_function_context): Save more information.
1733 (pop_c_function_contxt): Likewise.
1734 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
1735 (lang_mark_tree): Mark it.
1736 (current_stmt_tree): Adjust.
1737 (current_scope_stmt_stack): New function.
1739 (set_current_name_declared): Likewise.
1740 (c_begin_compound_stmt): Define.
1741 (c_expand_decl_stmt): Likewise.
1742 * c-lang.c: Include rtl.h and expr.h.
1743 (lang_init): Set more language-specific hooks.
1744 * c-lex.c: Include expr.h.
1745 * c-parse.in: Changes throughout to add statements to the
1746 statement-tree, rather than generating RTL after every statement.
1747 * c-semantics.c (lang_expand_decl_stmt): Define.
1748 (add_decl_stmt): New function.
1749 (add_scope_stmt): Likewise.
1750 (finish_stmt_tree): Tweak.
1751 (genrtl_expr_stmt): Likewise.
1752 (genrtl_decl_stmt): Handle local labels, and call
1753 lang_expand_decl_stmt if required.
1754 (genrtl_for_stmt): Fix line-number handling.
1755 (genrtl_case_label): Handle cleanups.
1756 (genrtl_asm_stmt): Don't call combine_strings.
1757 (genrtl_compound_stmt): Simplify.
1758 (expand_stmt): Handle SCOPE_STMTs.
1759 * c-tree.h (struct lang_decl): New structure.
1760 (C_DECLARED_LABEL_FLAG): Remove.
1761 (c_begin_compound_stmt): Declare.
1762 (c_expand_decl_stmt): Likewise.
1763 (c_expand_start_case): Rename to c_start_case.
1764 (c_finish_case): New function.
1765 * c-typeck.c (start_init): Tweak setting of
1766 constructor_incremental.
1767 (c_expand_asm_operands): Tweak error-handling. Add to the
1769 (c_expand_return): Add to the statement-tree.
1770 (c_expand_start_case): Rename to ...
1771 (c_start_case): ... this.
1772 (struct c_switch): New type.
1773 (switch_stack): New variable.
1774 (do_case): Simplify.
1775 (c_finish_case): New function.
1776 * dependence.c: Include expr.h.
1777 (enum dependence_type): Change spelling of enumerals.
1778 (check_node_dependence): Adjust.
1779 * expr.h (lang_safe_from_p): Declare.
1780 (safe_from_p): Likewise.
1781 * expr.c (lang_safe_from_p): New variable.
1782 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
1783 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
1784 * toplev.c (rest_of_decl_compilation): Robustify.
1785 * tree.c (contains_placeholder_p): Likewise.
1786 * Makefile.in: Update dependencies.
1787 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
1788 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
1789 (objc_expand_function_end): New function.
1790 (finish_method_def): Use it.
1791 (init_objc): Initialize more language-specific hooks.
1792 * objc/Make-lang.in: Update dependencies.
1794 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
1796 * configure.in: Define macros that affect features before
1797 testing for features. Don't define _XOPEN_SOURCE.
1798 * configure: Regenerated.
1799 * config.in: Regenerated.
1801 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
1803 * rtlanal.c (rtx_varies_p): Volatile asms vary.
1804 (rtx_unstable_p): Restructure code. Volatile asms
1807 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1809 * function.h (no_debugging_symbols): New field.
1810 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
1811 Initialize no_debugging_symbols.
1812 (output_inline_function): Save and restore write_symbols and set from
1813 no_debugging_symbols.
1814 * toplev.c (rest_of_compilation): Call save_for_inline.
1815 * tree.h: Update comment.
1817 * stor-layout.c (place_field): Don't do anything if field or
1818 its type are ERROR_MARK.
1820 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
1822 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
1823 (read_include_file): Ensure inc->mmaped is initialized.
1825 2000-09-16 Richard Henderson <rth@cygnus.com>
1827 * cppiles.c (purge_cache): Use PTR not caddr_t.
1829 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
1831 * gcc.c: In description for %{<S}, say the option removed is -S.
1832 * invoke.texi (Spec Files): Ditto.
1834 2000-09-16 Andreas Jaeger <aj@suse.de>
1836 * configure.in: Always define _GNU_SOURCE to make interfaces
1837 visible that were hidden by only defining _GNU_SOURCE.
1838 * configure: Regenerated.
1840 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
1842 * cpplex.c (push_macro_context): Set an argument's level after
1843 calling parse_args. We could loop infinitely otherwise.
1845 2000-09-15 Tom Tromey <tromey@cygnus.com>
1847 * configure, config.in: Rebuilt.
1848 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
1850 2000-09-15 Greg McGary <greg@mcgary.org>
1852 * cppmacro.c (check_trad_stringification): Check token
1853 text pointers against limit before dereferencing.
1855 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
1857 * c-common.c (format_wanted_type): New structure.
1858 (check_format_types): New function.
1859 (check_format_info): Pass all checking of types of format
1860 arguments, including width and precision arguments, to this new
1863 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1865 * BUGS: Remove file.
1867 2000-09-15 Jakub Jelinek <jakub@redhat.com>
1869 * config/alpha/alpha.c (override_options): ev6 cache latencies
1870 from Richard Henderson. Don't allow -mmemory-latency=L0.
1872 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
1873 (TARGET_OPTIONS): Add tune=.
1874 (alpha_tune_string): Declare.
1875 * config/alpha/alpha.c (override_options): Add cpu_table.
1876 Use alpha_cpu_string first to set both alpha_cpu and target_flags
1877 and then alpha_tune_string to set alpha_cpu only.
1878 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
1879 * config/alpha/elf.h (ASM_FILE_START): Likewise.
1880 * config/alpha/osf.h (ASM_FILE_START): Likewise.
1881 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
1883 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
1885 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
1887 (ix86_comparison_operator, ix86_cc_mode): Declare
1888 * i386.h (CCGC, CCGCO): New modes.
1889 (SELECT_CC_MODE): Move offline to ....
1890 * i386.c (ix86_cc_mode): .... here; use new modes.
1891 (ix86_comparison_operator): New.
1892 (fcmov_comparison_operator): Ensure proper mode.
1893 (put_condition_mode): More sanity checking.
1894 (ix86_match_ccmode): Handle new modes.
1895 (ix86_expand_fp_compare): GEU requires CCmode.
1896 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
1898 * i386.md (cmp?i_ccz_1): Remove
1899 (cmp?i_ccno_1): Use ix86_match_ccmode.
1900 (cmp?i_minus_1): New.
1901 (cmpsi_1): New expander.
1902 (cmpqi_ext_1): Use match_ccmode
1903 (cmpqi_ext_3): New expander.
1904 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
1905 (cmpqi_ext_4): Use match_ccmode.
1906 (add?i_?): Use match_ccmode.
1908 (test?i_ccz_1): Remove
1910 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
1911 (testqi_ext_0): Use ix86_match_ccmode.
1912 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
1913 (xorqi_cc_ext_1): New expander.
1914 (shift patterns): Use CCGOCmode for all shifts except for sar.
1915 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
1916 (setcc_3, jcc_3, miv?icc_c): Remove.
1918 2000-09-15 Will Cohen <wcohen@redhat.com>
1920 * dwarf2out.c (add_const_value_attribute): Changed array into a
1921 xmalloced object, so it exists after function exit.
1922 (free_AT): Added case for dw_val_class_float to free allocated
1925 2000-09-15 Kazu Hirata <kazu@hxi.com>
1927 * config/i386/i386.md: Fix a comment typo.
1928 * gcc.c: Fix formatting.
1930 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
1932 * optabs.c (emit_libcall_block): If target is a user variable,
1933 copy to a temporary first.
1934 * expr.c (convert_move): When generating a libcall, make a libcall
1936 * calls.c (emit_library_call_value_1): Don't create a libcall
1937 sequence here; our caller will in most cases do it.
1939 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
1941 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
1942 * sh.md (reload_outsf): Generate recognizable patterns for
1944 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
1945 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
1946 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
1947 truncdfsf2_i4): Change not to use explicit references to fpul.
1948 (floatsisf2_ie): Remove USE of fpscr.
1949 (floatsisf2): Change default expansion to match this.
1950 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
1953 2000-09-15 Richard Henderson <rth@cygnus.com>
1955 * expmed.c (store_bit_field): Consider naturally aligned
1956 memory for direct reference.
1958 2000-09-15 Richard Henderson <rth@cygnus.com>
1960 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
1961 AND addresses into alias set 0.
1962 (alpha_expand_unaligned_store): Likewise.
1963 (alpha_expand_unaligned_load_words): Likewise.
1964 (alpha_expand_unaligned_store_words): Likewise.
1966 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
1968 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
1969 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
1971 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
1972 rsize of UNITS_PER_WORD.
1974 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
1976 * cpplex.c (ON_REST_ARG): Correct the test.
1977 (maybe_paste_with_next): Duplicate a token that fail pasting,
1978 and clear its PASTE_LEFT flag, so that nested pasting attempts
1981 2000-09-14 Richard Henderson <rth@cygnus.com>
1983 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
1984 * cse.c (rtx_cost): Likewise.
1985 * optabls.c (expand_binop): Likewise.
1986 (expand_twoval_binop, prepare_cmp_insn): Likewise.
1987 * regclass.c (copy_cost): Likewise.
1988 * reload1.c (reload_cse_move2add): Likewise.
1990 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
1992 * c-parse.in (reswords): Add _Complex.
1994 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1996 * gcc.1: Delete documentation for -undef preprocessor option.
1998 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
2000 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2001 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
2002 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
2003 Remove undefine before config/elfos.h.
2004 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
2006 2000-09-14 Kazu Hirata <kazu@hxi.com>
2008 * invoke.texi (H8/300 Options): Add -ms2600.
2009 * config/h8300.c (h8300_init_once): Output an error when -ms2600
2010 is used without -ms.
2011 * config/h8300.h (TARGET_MAC): New.
2012 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
2013 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
2014 machine other than H8/S2600.
2015 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
2018 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
2020 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
2021 pseudos that refer to the original pseudos, not only to their
2022 equivalent memory locations.
2024 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2026 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
2027 when making new MEM.
2029 * Makefile.in (LN): Remove duplicate definition.
2031 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
2033 From Joern Rennecke:
2034 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
2035 on an insn and function_invariant_p returns nonzero for the source,
2036 add a REG_EQUAL note.
2038 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
2040 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
2041 conflict with frame_pointer_rtx.
2043 2000-09-13 Kazu Hirata <kazu@hxi.com>
2045 * loop.c: Fix formatting.
2048 2000-09-13 Richard Henderson <rth@cygnus.com>
2050 * config/ia64/ia64.md (divsf3): New.
2051 (divsf3_internal_lat, divsf3_internal_thr): New.
2052 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
2053 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
2054 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
2055 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
2056 (nmadddf4_alts, nmadddf4_trunc): New.
2057 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
2058 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
2059 (multf3_truncsf_alts, multf3_truncdf_alts): New.
2060 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
2061 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
2062 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
2063 (nmaddtf4_truncdf_alts): New.
2064 (recip_approx): Don't predicate.
2066 2000-09-13 Richard Henderson <rth@cygnus.com>
2068 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
2070 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2072 * flags.h (flag_dump_rtl_in_asm): Declare.
2073 * toplev.c (flag_dump_rtl_in_asm): Define.
2074 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
2075 if -dP is specified.
2076 * rtl.h (print_rtx_head): Declare.
2077 * print-rtl.c (print_rtx_head): Define.
2078 (print_rtx): Print the string pointed to by print_rtx_head
2079 at beginning of each dump line.
2080 (print_rtl): Likewise.
2081 (print_rtl_single): Likewise.
2082 * final.c (final_scan_insn): Dump the insn in the assembly
2084 * gcc.1: Document -dP option.
2085 * invoke.texi (Debugging Options): Likewise.
2087 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2089 * md.texi (Machine Constraints): Document the 68HC11 constraints.
2090 * install.texi (Configurations): Document the 68HC11&68HC12 port.
2091 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
2093 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
2095 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
2096 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
2097 (*clrstrqi): Likewise.
2098 (xorhi3,xorsi3,absqi2): Likewise.
2099 (one_cmplhi2,one_cmplsi2): Likewise.
2100 (addsi3): Two stupid constraint alternatives removed.
2101 (extendhisi2): Use `movw' for enhanced avr cores.
2102 (zero_extendhisi2): Likewise.
2104 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
2106 * alias.c (find_base_term): Use frame_pointer_rtx
2107 when handling an ADDRESSOF.
2109 * cse.c (canon_hash): Handle USE of BLKmode memory.
2110 (cse_insn): Outgoing arguments for a libcall don't
2111 affect any recorded expressions.
2113 2000-09-12 Tom Tromey <tromey@cygnus.com>
2115 * configure, config.in: Rebuilt.
2116 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
2118 2000-09-12 Jakub Jelinek <jakub@redhat.com>
2120 * c-lex.c (lex_string): Use charwidth to compute bytemask.
2121 * expr.c (expand_expr): Don't optimize constant array references
2122 initialized with wide string constants.
2124 2000-09-13 Michael Hayes <mhayes@cygnus.com>
2126 * loop.c (note_set_pseudo_multiple_uses): Correct.
2128 2000-09-12 Jim Wilson <wilson@cygnus.com>
2130 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
2131 else block, and X has side-effects, then fail.
2133 2000-09-12 Greg McGary <greg@mcgary.org>
2135 * config/mips/mips-protos.h
2136 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
2137 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
2138 (PREDICATE_CODES): Add "trap_cmp_op".
2139 * config/mips/mips.c
2140 (trap_cmp_op, mips_gen_conditional_trap): New functions.
2141 * config/mips/mips.md (trap, conditional_trap): New patterns.
2143 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
2145 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
2148 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2150 * builtins.c (built_in_decls): New array.
2151 (expand_builtin_fputs): New function.
2152 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
2154 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
2156 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
2158 * tree.h (built_in_decls): New array.
2160 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
2162 * convex.md: Use "+" instead of "=" for outputs wrapped in a
2164 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
2166 2000-09-12 Kazu Hirata <kazu@hxi.com>
2168 * haifa-sched.c: Fix formatting.
2170 * genattrtab.c: Fix formatting.
2172 * unroll.c: Fix formatting.
2174 2000-09-12 Bruce Korb <bkorb@gnu.org>
2176 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
2177 remove obsolete code
2178 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
2179 * fixinc/fixincl.tpl: make non-exported arrays static scope
2180 * fixinc/fixincl.x: regenerate
2181 * fixinc/fixlib.h: Use PARAMS, not _P_
2182 * fixinc/fixtests.c: make a type for the test proc & use it
2183 * fixinc/server.h: Use PARAMS, not _P_
2185 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2187 * c-typeck.c (process_init_element): Avoid union init warnings on
2188 floating point zero. Don't crash on unions containing structs.
2190 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
2192 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
2193 general_movsrc_operand, and remove CONST_INT from
2194 general_movdst_operand.
2196 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
2198 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
2199 if a reference to non-fixed hardreg is seen. Otherwise, count hard
2200 regs with a higher cost.
2201 (preferrable): Deal with cases where either cost or regcost is
2203 (cse_insn): Use MAX_COST rather than 10000. Always initialize
2205 (COSTS_N_INSNS): Move definition...
2207 (MAX_COST): New macro.
2208 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
2211 2000-09-11 Mark Mitchell <mark@codesourcery.com>
2213 * c-common.h (genrtl_clear_out_block): Remove.
2214 * c-semantics.c (genrtl_clear_out_block): Remove.
2215 (genrtl_while_stmt): Don't call it.
2216 (genrtl_for_stmt): Likewise.
2218 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
2220 * cppfiles.c: Move all default-#defines to top of file.
2221 (open_include_file): Replace by lookup_include_file.
2222 (read_with_read, read_file): Merged into read_include_file.
2223 (stack_include_file, purge_cache): New functions.
2224 (close_cached_fd): Delete.
2225 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
2226 Cache the in-memory buffer, not the file descriptor.
2228 * cpphash.h (struct include_file): Add buffer, st, refcnt,
2230 (xcnew): New utility macro.
2231 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
2232 * cpplib.h (struct cpp_buffer): Remove mapped field.
2234 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
2236 * cpplex.c (parse_string): Accept backslash space newline as a
2238 (lex_line): Likewise.
2239 (_cpp_get_token): Remove hard limit on macro nesting.
2241 2000-09-12 Philipp Thomas <pthomas@suse.de>
2243 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
2244 * configure: Rebuilt.
2246 2000-09-13 Michael Hayes <mhayes@cygnus.com>
2248 * flow.c (split_block): Fix update of registers live at
2251 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
2253 * i386.md (add?i_3, add?i_5): New.
2254 (add?i_4): Rename from add?i_3; Fix compare pattern.
2255 (sub?i_3, xor?i_3, ior?i_3): New.
2257 * genrecog.c (write_tree): Output code to clear insn_extract cache.
2258 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
2259 instead of extract_insn and extract_constrain_insn_cache instead of
2260 extract_insn and constrain_operands.
2261 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
2263 (extract_insn): Clear which_alternative.
2264 (constrain_operands): Set which_alternative to -1 when failed.
2265 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
2268 2000-09-11 Matthew Hiller <hiller@redhat.com>
2270 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
2271 on operand 0 to '+'.
2272 (movstricthi): Likewise.
2274 2000-09-12 Michael Hayes <mhayes@cygnus.com>
2276 * loop.h (LOOP_IVS): New macro.
2277 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
2278 (struct loop_ivs): New.
2279 (struct loop_info): Add ivs field.
2280 (reg_iv_type, reg_iv_info): Delete prototype.
2281 (reg_biv_class, loop_iv_list): Likewise.
2282 * loop.c (record_biv, find_life_end): Pass loop argument.
2283 (reg_iv_type): Remove global array and use
2284 field in loop_regs structure within loop_ivs structure.
2285 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
2286 (first_increment_giv, last_increment_giv): Use entry in
2288 (record_initial): Pass ivs pointer.
2289 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
2291 2000-09-12 Michael Hayes <mhayes@cygnus.com>
2293 * loop.h (LOOP_REGS): New macro.
2294 (struct loop_regs): New.
2295 (struct loop_info): Add regs field.
2296 * loop.c (set_in_loop): Remove global array and store
2297 in loop_regs structure as part of loop_info structure.
2298 (n_times_set, may_not_optimize): Likewise.
2299 (reg_single_usage, moved_once): Likewise.
2300 (count_one_set): Add regs argument.
2301 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
2302 (set_pseudo_multiple_uses): Pass regs pointer.
2304 2000-09-12 Michael Hayes <mhayes@cygnus.com>
2306 * unroll.c (iteration_info): Subsume into loop_iterations.
2307 * loop.h (loop_info): New field iv.
2309 2000-09-12 Michael Hayes <mhayes@cygnus.com>
2311 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
2312 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
2313 (flow_loops_update): New prototype.
2314 (flow_loops_find): Add flags to prototype.
2315 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
2316 * flow.c (flow_loop_pre_header_scan): New.
2317 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
2318 (flow_loop_free): Free pre-header root and trace and exit dominators.
2319 (flow_loops_find): New argument flags.
2320 (flow_loops_update): New function.
2321 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
2323 2000-09-12 Michael Hayes <mhayes@cygnus.com>
2325 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
2326 * flow.c (split_block, update_bb_for_insn): New functions.
2328 2000-09-11 Richard Henderson <rth@cygnus.com>
2330 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
2332 2000-09-11 Richard Henderson <rth@cygnus.com>
2334 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
2335 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
2336 (ia64_override_options): Prevent optimizing division for both
2337 latency and throughput.
2338 (rtx_needs_barrier): Handle frcpa.
2339 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
2340 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
2341 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
2342 (TARGET_SWITCHES): Add -minline-divide-min-latency and
2343 -minline-divide-max-throughput.
2344 (PREDICATE_CODES): Update.
2345 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
2346 (zero_extendsidi2): Likewise. Fix typo in f case insn.
2347 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
2348 (extendsftf2): Likewise.
2349 (extenddftf2): Likewise.
2350 (fix_trunctfdi2_alts): New.
2351 (fixuns_trunctfdi2_alts): New.
2352 (madd*4): Rename from madd*3.
2353 (divsi3, modsi3, udivsi3, umodsi3): New.
2354 (divsi3_internal): New.
2355 (divdi3, moddi3, udivdi3, umoddi3): New.
2356 (divdi3_internal_lat, divdi3_internal_thr): New.
2357 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
2358 (recip_approx): New.
2360 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
2362 * print-rtl.c (debug_call_placeholder_verbose): New variable.
2363 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
2365 * integrate.c (copy_rtx_and_substitute): Don't share
2366 LEAF_REG_REMAPpable registers with the inlined function. Don't
2367 share the function value with calling sequences.
2369 2000-09-11 Jakub Jelinek <jakub@redhat.com>
2371 * c-decl.c (do_case): Fix a typo.
2373 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
2374 to a if the comparison is floating mode and not -ffast-math.
2375 * simplify-rtx.c (simplify_ternary_operation): Likewise.
2377 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
2379 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
2380 gen_ic_invalidate_line.
2382 2000-09-11 Philip Blundell <pb@futuretv.com>
2384 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
2386 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
2388 * install.texi (LANGUAGES): Update to include new languages.
2391 2000-09-11 DJ Delorie <dj@redhat.com>
2393 * gcc.c (main): Don't warn about unused -B prefixes
2394 (unused_prefix_warnings): remove
2396 2000-09-11 Kazu Hirata <kazu@hxi.com>
2398 * final.c: Fix formatting.
2400 * integrate.c: Fix formatting.
2402 2000-09-11 Geoff Keating <geoffk@cygnus.com>
2404 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
2406 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
2408 * reload.c (regno_clobbered_p): Fix thinko in previous change.
2410 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2412 * gcc.1: Document 68hc11 specific options.
2414 2000-09-10 Geoff Keating <geoffk@cygnus.com>
2416 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
2417 (TARGET_LONG_DOUBLE_128): Define.
2418 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
2419 (LONG_DOUBLE_TYPE_SIZE): Redefine.
2420 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
2421 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
2422 of __LONG_DOUBLE_128__.
2423 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
2425 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
2426 (CPP_SYSV_DEFAULT_SPEC): Define.
2427 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
2428 (INIT_TARGET_OPTABS): Define.
2430 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
2431 (RS6000_UITRUNC): Likewise.
2432 (INIT_TARGET_OPTABS): New macro.
2433 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
2434 (trunc_defined): Delete.
2435 (output_prolog): Don't output .extern definitions for fp->int
2436 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
2437 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
2438 (trunc_defined): Delete.
2439 (RS6000_ITRUNC): Moved to aix.h.
2440 (RS6000_UITRUNC): Likewise.
2441 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
2442 only emit a libcall.
2443 (fixuns_truncdfsi2): Delete.
2444 (trunc_call): Delete.
2445 (trunc_call_rtl): Delete.
2447 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
2449 * varasm.c (make_decl_rtl): Restore leading star on
2450 DECL_ASSEMBLER_NAME set for decls with an asmspec.
2452 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
2454 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
2455 won't give a spurious error for '#pragma pack()'. Simplify
2456 control flow for readability. 'reset' action is not necessary.
2458 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
2460 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
2461 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
2462 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
2463 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
2465 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
2466 profile.c, sdbout.c, tradcif.y, tree.c:
2467 Include defaults.h if not already included.
2468 Don't define the above macros.
2470 * Makefile.in: Update dependencies.
2472 2000-09-10 Mark Mitchell <mark@codesourcery.com>
2474 * c-common.h (add_stmt): Change prototype.
2475 (RECHAIN_STMTS): New macro.
2476 (CASE_LABEL_DECL): Likewise.
2477 (genrtl_case_label): Change prototype.
2478 (c_expand_start_case): Remove prototype.
2479 (build_case_label): Change prototype.
2480 (decl_constant_value): Declare.
2481 * c-common.c (check_case_value): Handle C++'s extensions to C
2483 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
2485 * c-parse.in (stmt): Adjust handling of return statements and case
2487 * c-semantics.c (add_stmt): Return the new statement.
2488 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
2489 returned expression. Directly generate RTL, rather than calling
2491 (genrtl_switch_stmt): Don't call c_expand_start_case.
2492 (build_case_label): Take the LABEL_DECL as input, too.
2493 (genrtl_case_label): Just call add_case_node.
2494 (expand_stmt): Adjust calls to genrtl_return_stmt and
2496 * c-tree.h (c_expand_start_case): Declare.
2497 * c-typeck.c (decl_constant_value): Give it external linkage.
2498 (c_expand_return): Don't call expand_return or expand_null_return;
2499 use genrtl_return_stmt instead.
2500 * stmt.c (struct nesting): Remove num_ranges field.
2501 (add_case_node): Give it external linkage.
2502 (expand_start_case): Don't set num_ranges.
2503 (expand_start_case_dummy): Don't clear it.
2504 (pushcase): Rely on add_case_node to handle `default' labels.
2505 (add_case_node): Handle `default' labels.
2506 * tree.c (tree_int_cst_compare): New function.
2507 * tree.h (tree_int_cst_compare): Declare.
2508 (add_case_node): Likewise.
2510 2000-09-10 Richard Henderson <rth@cygnus.com>
2512 * c-parse.in: Revert last change.
2513 (init_reswords): Do not enter disabled keywords into the ridpointers
2514 table, modulo objc weirdness.
2515 (_yylex): Return the canonical spelling for a keyword.
2517 2000-09-10 Philip Blundell <philb@gnu.org>
2519 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
2520 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
2522 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
2524 * alias.c (find_base_term): Handle ADDRESSOF.
2525 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
2527 2000-09-10 Denis Chertykov <denisc@overta.ru>
2529 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
2530 outputting templates with many lines.
2532 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2534 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
2535 to decide whether 64-bit support must be generated.
2537 2000-09-10 Richard Henderson <rth@cygnus.com>
2539 * c-parse.in (asm patterns): Fix volatile check.
2541 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2543 * cppmacro.c (check_trad_stringification): New function.
2544 (save_expansion): If -Wtraditional, warn about stringification of
2547 2000-09-11 Michael Hayes <mhayes@cygnus.com>
2549 * loop.h (struct loop_mem_info): Move from loop.c
2550 (struct loop_info): Add fields store_mems, mems, mems_idx,
2551 mems_allocated, unknown_address_altered,
2552 unknown_constant_address_altered, num_mem_sets, and
2553 first_loop_store_insn.
2555 * loop.c (loop_store_mems): Replace with field in loop_info struct.
2556 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
2557 (unknown_address_altered, unknown_constant_address_altered): Likewise.
2558 (num_mem_sets): Likewise.
2559 (replace_loop_mems, replace_loop_regs): New.
2560 (struct loop_replace_args): New.
2561 (load_mems): Use replace_loop_mems.
2562 (try_copy_prop): Use replace_loop_regs.
2563 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
2565 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2567 * configure.in: Recognize m6811-elf and m6812-elf.
2568 * configure: Regenerate.
2570 2000-09-09 Geoff Keating <geoffk@cygnus.com>
2572 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
2575 2000-09-10 Michael Hayes <mhayes@cygnus.com>
2577 * loop.c (struct movables): New.
2578 (num_movables): Move into struct movables.
2579 (the_movables): Change type to struct movables.
2580 (ignore_some_movables): Change struct movable arg to struct movables.
2581 (force_movables, combine_movables, regs_match_p): Likewise.
2582 (rtx_equal_for_loop_p, move_movables): Likewise.
2583 (scan_loop): Change movables to be of type struct movables.
2584 Replace last_movable with field in movables structure.
2586 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
2588 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
2589 (init_pragma): Avoid warning if pfile happens to be unused.
2590 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
2591 define init_pragma to nothing. Always prototype
2592 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
2594 * c-lex.c (process_directive): Always call dispatch_pragma.
2595 Initialize entering_c_header to 0.
2597 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2599 * config/m68hc11/m68hc11.md: New file, machine description for
2601 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
2602 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
2603 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
2604 * config/m68hc11/m68hc11-protos.h: New file.
2605 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
2606 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
2607 * config/m68hc11/xm-m68hc11.h: New file, target defs.
2608 * config/m68hc11/larith.asm: New file, libgcc routines.
2610 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2612 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
2613 (FPBIT_FUNCS): Add _usi_to_sf.
2614 * config/fp-bit.c (usi_to_float): New function.
2615 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
2616 (usi_to_float): Add appropriate #define.
2618 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
2620 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
2622 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
2623 * i386.md (attr "type"): Add sse and mmx types.
2624 (attr "memory"): Handle them without a crash.
2625 (movsi_1, movdi_2): Allow MMX regs.
2626 (movdi splits): Don't split moves involving MMX regs.
2627 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
2628 (movv4sf_internal, movv4si_internal, movv8qi_internal,
2629 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
2630 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
2631 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
2632 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
2633 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
2634 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
2635 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
2636 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
2637 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
2638 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
2639 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
2640 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
2641 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
2642 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
2643 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
2644 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
2645 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
2646 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
2647 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
2648 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
2649 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
2650 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
2651 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
2652 mmx_clrdi): New patterns.
2654 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
2656 * arm.c: Don't include tm.h directly.
2658 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
2660 * recog.c (validate_replace_rtx_1): Fix confusion about equality
2661 testing; simplify subregs of constants and nested subregs.
2663 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
2665 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
2667 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
2669 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
2671 * rtl.texi (description of USE): Add note about possible pitfalls
2673 From Richard Henderson:
2674 * reload1.c (choose_reload_regs): Compute need_mode properly.
2676 2000-09-07 Richard Henderson <rth@cygnus.com>
2678 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
2679 (__modsi3, __umodsi3): Likewise.
2680 (__udivsi3): Likewise. Normalize the TFmode values.
2682 2000-09-07 Geoff Keating <geoffk@cygnus.com>
2684 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
2686 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
2689 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
2691 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
2692 (cmpeqdi_t): Add output pattern.
2693 (cmpeqdi_t+1): Don't split when not optimizing.
2694 Restore proper splitting operation.
2696 2000-09-07 Richard Henderson <rth@cygnus.com>
2698 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
2699 do not call dispatch_pragma.
2701 2000-09-07 Jim Wilson <wilson@cygnus.com>
2703 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
2704 to CLASS_CANNOT_CHANGE_MODE.
2705 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
2706 mode classes are different.
2708 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
2710 * cpplib.h (struct cpp_options): Add user_label_prefix member,
2711 left out of commit which removed cppulp.c.
2713 2000-09-07 Richard Henderson <rth@cygnus.com>
2715 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
2716 after switch for CASE_DROPS_THROUGH.
2718 2000-09-07 Richard Henderson <rth@cygnus.com>
2720 * loop.c (strength_reduce): Call check_ext_dependant_givs.
2721 Properly extend the biv initial value for the giv.
2722 (record_biv): Zero ext_dependant.
2723 (record_giv): New argument ext_val. Update all callers.
2724 (general_induction_var): Likewise.
2725 (consec_sets_giv): Likewise.
2726 (simplify_giv_expr): Likewise. Fill in ext_val if we find
2727 a sign-extend, zero-extend, or truncate.
2728 (combine_givs_p): Make sure modes are compatible.
2729 (check_ext_dependant_givs): New.
2730 (extend_value_for_giv): New.
2731 * loop.h (struct induction): Add ext_dependant.
2732 * unroll.c (iteration_info): Extend the biv initial value for the giv.
2733 (find_splittable_givs): Likewise.
2734 (final_giv_value): Likewise.
2736 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
2738 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
2739 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
2740 definitions from cpplib.h.
2741 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
2743 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
2744 documentation for REGISTER_TARGET_PRAGMAS.
2746 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
2747 default-pragma callback to implement -Wunknown-pragmas if
2749 * c-parse.in: Move all includes to top of file.
2750 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
2752 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
2754 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
2756 * arm.h, arm-protos.h, arm.c,
2757 c4x.h, c4x-protos.h, c4x.c,
2758 h8300.h, h8300-protos.h, h8300.c,
2759 i370.h, i370-protos.h, i370.c,
2760 i960.h, i960-protos.h, i960.c,
2761 sh.h, sh-protos.h, sh.c,
2762 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
2763 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
2765 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
2766 multiple include guard.
2767 * i370.md (untyped_call): Use GEN_CALL.
2768 (umodsi3): Remove unused variable.
2769 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
2770 * v850.c (output_move_single, output_move_double): Constify
2772 (print_operand): Constify a char *.
2773 * v850.h (struct small_memory_info): Constify name member.
2775 2000-09-07 Kazu Hirata <kazu@hxi.com>
2777 * config/h8300.h: Fix comment typos.
2778 * config/h8300/h8300.md: Likewise.
2779 * config/h8300/lib1funcs.asm: Likewise.
2781 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
2783 * Makefile.in: Remove references to cppulp.{c,o}.
2784 * cppinit.c (initialize_builtins, cpp_start_read,
2785 cpp_handle_option): Update to use cpp_options structure.
2788 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
2790 * c-common.c (time_char_table): Allow %#b and %#h.
2792 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2794 * reorg.c (find_end_label): If the basic block reorder pass moves the
2795 return insn to some other place try to locate it again and put our
2796 end_of_function_label there.
2797 * reorg.c (relax_delay_slots): Check if find_end_label created a
2798 new label that invalidates the current optimazation.
2800 2000-09-07 Catherine Moore <clm@redhat.com>
2802 * unroll.c (unroll_loop): Check for unconditional jumps
2803 to loop continuation. Delete if n_iterations is 1.
2804 (ujump_to_loop_cont): New routine.
2806 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
2808 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
2810 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
2811 to handle multiword modes correctly. All callers and the declaration
2814 2000-09-06 Mark Mitchell <mark@codesourcery.com>
2816 * c-common.h (prep_stmt): Declare.
2817 (lang_expand_stmt): Likewise.
2818 * c-decl.c (lang_expand_stmt): Remove.
2819 * c-semantics.c (lang_expand_stmt): Define.
2820 (prep_stmt): New function.
2821 (expand_stmt): Handle common statement types here.
2823 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
2825 * configure.in (sh-*-linux*): Added.
2826 * configure: Rebuilt.
2827 * config/sh/t-linux: New file.
2828 * config/sh/sh.h (USERMODE_BIT): Define.
2829 (TARGET_USERMODE): Likewise.
2830 (TARGET_SWITCHES): New switches for the bits above.
2831 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
2832 * config/sh/linux.h: New file.
2833 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
2834 underscore on linux.
2835 (L_sdivsi3, L_udivsi3): Define for linux.
2836 (L_ic_invalidate): Define.
2837 * invoke.texi (SH Options): Document -musermode.
2839 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
2841 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
2842 CSE unless generating PIC.
2844 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
2847 2000-09-06 H.J. Lu (hjl@gnu.org)
2849 * Makefile.in (clean_s1): Depend on stage_b.
2850 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
2851 stage2. They are used for "make compare".
2853 2000-09-06 Mark Mitchell <mark@codesourcery.com>
2855 Move statement-tree facilities from C++ to C front-end.
2856 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
2857 (void_zero_node): New macro.
2858 (struct stmt_tree_s): New type.
2859 (stmt_tree): New typedef.
2860 (struct language_function): New type.
2861 (last_tree): New macro.
2862 (last_expr_type): Likewise.
2863 (walk_tree_fn): New typedef.
2864 (current_stmt_tree): New function.
2865 (begin_stmt_tree): Likewise.
2866 (add_stmt): Likewise.
2867 (finish_stmt_tree): Likewise.
2868 (statement_code_p): Likewise.
2869 (lang_statement_code_p): New variable.
2870 (walk_stmt_tree): New function.
2871 (STMT_IS_FULL_EXPR_P): New macro.
2872 * c-common.c (lang_statement_code_p): New variable.
2873 (c_common_nodes_and_builtins): Initialize void_zero_node.
2874 (statement_code_p): New function.
2875 (walk_stmt_tree): Likewise.
2876 * c-decl.c (language_function): Rename to ...
2877 (c_language_function): ... this. Include language_function.
2878 (push_c_function_context): Adjust accordingly.
2879 (pop_c_function_context): Likewise.
2880 (mark_c_function_context): Likewise.
2881 (current_stmt_tree): Define.
2882 * c-semantics.c (begin_stmt_tree): New function.
2883 (add_stmt): Likewise.
2884 (prune_unused_decls): Likewise.
2885 (finish_stmt_tree): Likewise.
2887 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2889 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
2891 2000-09-06 Kazu Hirata <kazu@hxi.com>
2893 * calls.c: Fix formatting.
2895 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
2897 * config/i386/i386.h (ADDRESS_COST): Fix typo.
2899 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
2901 Integrated preprocessor.
2903 * Makefile.in: Remove all references to c-parse.gperf,
2904 c-gperf.h, and c-parse.h. Remove -d from yacc command line
2905 generating c-parse.c. Update dependencies.
2906 * c-parse.gperf, c-gperf.h: Delete.
2908 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
2909 yy_lim, or yy_get_token. Don't define get_directive_line if
2911 * c-common.h: Add multiple include guard. Define RID values
2912 for every keyword in C, C++, and Objective C. Put all the
2914 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
2915 * c-decl.c (c_decode_option): Handle -lang-objc here.
2916 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
2917 (grokdeclarator): Adjust for new RID scheme.
2918 (extract_interface_info): New stub.
2919 * c-lang.c: Don't declare yy_cur or parse_options.
2920 (lang_init_options): Call cpp_init. Don't call
2922 (lang_init): Don't call check_newline if USE_CPPLIB.
2924 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
2925 Elide lots of unnecessary code if USE_CPPLIB. Delete code
2926 rendered unnecessary by new architecture. Move routines not
2927 shared with C++ to c-parse.in. Maintain a local idea of the
2928 line number. Handle C++ as well as C.
2929 [USE_CPPLIB]: Declare and register callbacks for #ident and
2930 for entering/leaving files.
2931 (init_c_lex, c_lex): Are now the entry points to this file.
2932 (check_newline): Break out directive handling to
2934 (read_ucs, is_extended_char, utf8_extend_token): Moved here
2936 (readescape, parse_float): Overhaul.
2937 (lex_number, lex_string, lex_charconst): Break out of c_lex
2939 (get_fileinfo, update_header_times, dump_one_header,
2940 dump_time_statistics): New and/or moved here from C++.
2941 Support per-file data needed by C++ and per-header timing
2942 statistics (C++ only, at the moment).
2943 * c-lex.h: Update prototypes. Add multiple include guard.
2944 * c-tree.h (struct lang_identifier): Add rid_code field.
2945 (C_IS_RESERVED_WORD, C_RID_CODE): New.
2947 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
2948 reinit_parse_for_function and/or position_after_white_space.
2949 (save_filename, save_lineno): Look ahead before saving.
2950 (label -> identifier ':'): Save file and line before shifting ':'.
2951 (reservedwords): No need to call get_identifier.
2952 (init_parse, finish_parse, yyerror, yylex, yyprint,
2953 make_pointer_declarator): Are now here for C/ObjC.
2954 (rid_to_yy): Conversion table from RID constants to Yacc codes.
2956 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
2957 #pragma registry. Provide dummy implementation of that
2958 interface if !USE_CPPLIB.
2959 * c-pragma.h: Update to match.
2961 * flags.h: Add multiple include guard.
2962 (flag_detailed_statistics): Moved here from C++.
2963 * toplev.c: Define flag_detailed_statistics.
2965 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
2967 * timevar.def (TV_CPP, TV_LEX): New.
2968 * timevar.h: Add multiple include guard.
2970 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
2972 * objc/objc-act.c: Don't mention yy_cur or parse_options.
2973 Initialize cpplib properly. Force lineno to 0 after first
2974 call to check_newline. Don't handle -lang-objc here.
2975 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
2977 2000-09-06 David Edelsohn <edelsohn@gnu.org>
2979 * rs6000.md: Correct function unit definitions for cr_logical and
2981 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
2982 and use portable method for >=0 and floating point >=. Remove
2983 associated matchers.
2985 2000-09-06 Mark Mitchell <mark@codesourcery.com>
2987 * extend.texi: Mark named return value extension as deprecated.
2989 2000-09-06 Geoff Keating <geoffk@cygnus.com>
2991 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
2994 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
2996 * toplev.c (display_help): Fix thinko in documentation.
2998 * diagnostic.h (output_buffer::indent_skip): New fields.
2999 (output_indentation): New macro.
3001 * diagnostic.c (output_indent): New function.
3002 (output_set_prefix, clear_diagnostic_info): Use.
3003 (output_emit_prefix): Predict future indentation.
3005 2000-09-06 DJ Delorie <dj@redhat.com>
3007 * Makefile.in (stage_*): add more dependencies to ensure parallel
3008 builds build correctly
3010 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
3012 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
3013 not bootstrap-lean_f.
3015 2000-09-06 Andreas Schwab <schwab@suse.de>
3017 * mklibgcc.in: Emit rule for libgcc-stage-start.
3018 * Makefile.in (stage1-start, stage2-start, stage3-start,
3019 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
3021 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
3023 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
3024 (update_equiv_regs): Likewise, except for the mn10200 kludge.
3025 (combine_regs): Likewise.
3027 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
3028 * cse.c: Include "basic-block.h".
3029 (struct table_elt): New field REGCOST.
3030 (CHEAP_REG): Delete macro.
3031 (COST): Return 0 for REGs.
3032 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
3033 (notreg_cost): Return 0 for appropriate SUBREGs.
3034 (COSTS_N_INSNS): Return N * 2.
3035 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
3037 (CHEAPER): Use new function preferrable.
3038 (insert): Initialize REGCOST member.
3039 (find_best_addr): Use approx_reg_cost for estimation of register
3041 (cse_insn): Likewise.
3042 * loop.c (iv_add_mult_cost): New function.
3043 (add_cost, shift_cost, mult_cost): Delete variables.
3044 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
3045 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
3046 Make code that detects autoinc opportunities slightly less optimistic.
3047 (simplify_giv_expr): If expression contains other reg that is also a
3048 giv, only increment benefit if this is the only use of that reg.
3049 (consec_sets_giv): Take that change into account.
3050 (combine_givs): Slightly more verbose output.
3052 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
3053 not the cost of an equivalent shift.
3054 * sh-protos.h (addsubcosts): Declare.
3055 * sh.c (addsubcosts): New function.
3056 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
3057 (RTX_COSTS): Tweak. Use addsubcosts.
3058 (ADDRESS_COST): Return higher cost for reg+reg addressing.
3060 2000-09-06 Geoff Keating <geoffk@cygnus.com>
3062 * config/rs6000/rs6000.c (validate_condition_mode): New function.
3063 (branch_comparison_operator): Call validate_condition_mode to
3064 abort rather than returning 0.
3065 (branch_positive_comparison_operator): New function.
3066 (scc_comparison_operator): Call validate_condition_mode to abort
3067 rather than returning 0.
3068 (ccr_bit): Call validate_condition_mode. Update for
3070 (print_operand): Delete %C modifier. Update %E case
3071 to use EQ bit not SO bit.
3072 (rs6000_reverse_condition): New function.
3073 (rs6000_generate_compare): New function.
3074 (rs6000_emit_sCOND): New function.
3075 (rs6000_emit_cbranch): New function.
3076 (output_cbranch): The length of a long branch insn is
3077 now only 8 bytes. Add validate_condition_mode. Use
3078 rs6000_reverse_condition. Remove cror generation.
3080 * config/rs6000/rs6000.h: Update comments.
3081 (PREDICATE_CODES): Add new predicate. Update codes used
3082 by branch_comparison_operator and scc_comparison_operator.
3083 * config/rs6000/rs6000-protos.h: Add prototypes for
3084 new external functions.
3085 * config/rs6000/rs6000.md: Add new scheduling parameters
3086 for cr_logical instructions. Change length of branch
3088 (bCOND patterns): Call rs6000_emit_cbranch.
3089 (sCOND patterns): Call rs6000_emit_sCOND.
3090 (branch patterns): Change lengths to 4.
3091 (cr logical patterns): New.
3093 2000-09-06 Richard Henderson <rth@cygnus.com>
3095 * config/i386/i386.md (call_pop): Fix test for setting
3096 current_function_uses_pic_offset_table.
3097 (call, call_value_pop, call_value): Likewise.
3099 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
3101 * timevar.c (timevar_add): Delete.
3102 (timevar_get): Also count time since the selected timer was
3103 last updated. Do not examine the timevar stack if the
3104 selected timer is standalone.
3106 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3108 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
3110 2000-09-05 Jason Merrill <jason@redhat.com>
3112 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
3113 for 'extern' arrays.
3115 2000-09-05 Richard Henderson <rth@cygnus.com>
3117 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
3118 Eliminate final copy from non-trapping case.
3119 (__divdf3, __divsf3): Likewise.
3121 2000-09-05 Richard Henderson <rth@cygnus.com>
3123 * config/ia64/ia64.md (mulhi3): Fix typo last change.
3124 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
3126 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
3128 * Makefile.in: Restructure bootstrap stages to allow clean
3129 restart after failure.
3131 2000-09-05 Richard Henderson <rth@cygnus.com>
3133 * config/ia64.md (movsi and movdi patterns): Allow moves from
3134 8-bit constants to AR registers.
3136 2000-09-05 Richard Henderson <rth@cygnus.com>
3138 * config/ia64/ia64.md (mulhi3): New.
3140 2000-09-05 Richard Henderson <rth@cygnus.com>
3142 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
3143 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
3144 Optimization Guide, minimum latency alternative.
3145 (__moddi3, __udivdi3, __umoddi3): Likewise.
3146 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
3148 2000-09-05 Bruce Korb <bkorb@gnu.org>
3150 * fixinc/fixincl.c (load_file): always read header files
3151 with sizes that are a multiple of the page size.
3152 & use libiberty's getpagesize for determining that.
3154 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
3156 * gcse.c (hash_string_1): Add prototype.
3157 * cse.c (canon_hash_string): Likewise.
3159 2000-09-04 Craig Newell <CraigN@ieee.org>
3161 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
3163 2000-09-04 Andreas Schwab <schwab@suse.de>
3165 * Makefile.in (STAGESTUFF): Remove libgcc.
3166 (stage1-start, stage2-start, stage3-start): Copy the contents of
3167 the libgcc directory explicitly.
3168 (mostlyclean): Clean libgcc.
3170 2000-09-04 Andrew Haley <aph@redhat.com>
3172 * dwarf2out.c: (stack_adjust_offset): New prototype.
3174 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
3176 * combine.c (make_extraction): Fix rtx_cost comparison to
3179 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
3181 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
3182 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
3183 Add '*' to insn pattern name.
3185 2000-09-04 Jakub Jelinek <jakub@redhat.com>
3187 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
3188 use posn - 1 to index into tokens array.
3189 (maybe_paste_with_next): Adjust caller.
3191 2000-09-03 Geoff Keating <geoffk@cygnus.com>
3193 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
3195 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
3196 (REGNO_REG_CLASS): Use symbolic register
3199 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
3201 * arm.c (final_prescan_insn): If the form of a jump insn isn't
3202 recognized, don't try to conditionally execute it.
3204 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
3206 * config/avr/avr.md ("*tablejump_lib"): New pattern.
3207 (call_value_insn): Right length claculation.
3208 (call_insn): Likewise.
3210 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
3212 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
3213 gas_output_limited_string, gas_output_ascii, output_movqi,
3214 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
3215 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
3216 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
3217 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
3218 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
3219 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
3220 Add "const" as needed to remove warnings.
3222 * config/avr/avr.c (avr_override_options, avr_init_once,
3223 function_prologue, function_epilogue, frame_pointer_required_p,
3224 class_likely_spilled_p, order_regs_for_local_alloc,
3225 avr_address_cost, avr_ret_register): Use K&R style arguments.
3226 (initial_elimination_offset, gas_output_limited_string):
3227 Remove ATTRIBUTE_UNUSED from the used arguments.
3228 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
3229 Use local variables src, dest, base to access operands[].
3230 Rename reg_dest to reg_src if that's what it is.
3231 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
3232 constants to LD_REGS if reg_was_0.
3233 (output_reload_insisf): Change arg 3 to insn length and set it.
3234 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
3235 access to 16-bit I/O register pairs.
3236 (avr_address_cost): Lower cost for the above case.
3237 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
3238 may be clobbered, also for LD_REGS.
3239 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
3242 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
3244 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
3245 macro to test_hard_reg_class function.
3246 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
3247 for loading immediate constants to LD_REGS.
3248 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
3251 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
3253 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
3254 * config/avr/libgcc.S: Lost part of the previous patch.
3256 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3258 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
3259 object before calling pthread_mutex_init.
3261 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
3263 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
3264 config/sh/crtn.asm: New files.
3265 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
3266 (crt1.o, crti.o, crtn.o): New targets.
3267 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
3269 * configure: Rebuilt.
3270 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
3271 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
3272 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
3273 Undefine for config/elfos.h to redefine.
3274 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
3276 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
3278 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
3279 legitimize_pic_address, output_pic_addr_const): Declare.
3280 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
3281 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
3282 (TARGET_SWITCHES): New switch -mprefergot.
3283 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
3284 (PIC_OFFSET_TABLE_REGNUM): Define.
3285 (GOT_SYMBOL_TABLE): Likewise.
3286 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
3287 (ENCODE_SECTION_INFO): Define.
3288 (FINALIZE_PIC): New macros.
3289 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
3290 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
3291 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
3292 (prepare_move_operands): Call emit_pic_move or
3293 emit_pic_const_move if appropriate.
3294 (output_far_jump): For PIC, use braf and output long offset.
3295 (machine_dependent_reorg):
3296 (sh_expand_prologue): Save and initialize the PIC register.
3297 (sh_expand_epilogue): Restore it.
3298 (initial_elimination_offset): Account for it.
3299 (nonpic_symbol_mentioned_p): New function.
3300 (legitimize_pic_address): Likewise.
3301 (output_pic_addr_const): Likewise.
3302 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
3303 (call, call_value): Use them.
3304 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
3305 symPLT_label2reg): New expands.
3306 * invoke.texi (SH Options): Document -mprefergot.
3308 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
3310 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
3311 * gcse.c (hash_string_1): New function.
3312 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
3313 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
3314 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
3315 (canon_hash_string): New function.
3316 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
3317 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
3318 (fold_rtx): Use ASM_OPERANDS accessor macros.
3319 * emit-rtl.c (copy_insn_1): Likewise.
3320 * integrate.c (copy_rtx_and_substitute): Likewise.
3321 * stmt.c (expand_asm_operands): Likewise. Give an
3322 ASM_OPERANDS rtx the mode of the output reg being set from it.
3324 2000-09-01 Fred Fish <fnf@be.com>
3326 * fix-header.c (write_rbrac): Add putc and getc to list of
3327 functions to protect against prior definition as a macro.
3329 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
3331 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
3332 (c_size_type_node): Define.
3333 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
3334 * c-common.c (enum format_lengths, enum format_std_version,
3335 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
3336 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
3337 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
3338 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
3339 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
3340 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
3341 format_types): Define.
3342 (format_char_info, print_char_table, scan_char_table,
3343 time_char_table): Rearrange for new organization of information
3344 about format length modifiers and standard versions.
3345 (T_ST): Redefine to use c_size_type_node.
3346 (check_format_info): Obtain information about length modifiers and
3347 standard versions from tables. Adjust warning message wordings.
3348 Use the name from the user's program for `ll' and `hh' length
3349 modifiers in warning messages. Use more informative names for
3350 wanted types where available (for wchar_t, wint_t, size_t, signed
3351 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
3353 2000-09-01 Jim Wilson <wilson@cygnus.com>
3355 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
3356 * combine.c (distribute_notes): Handle REG_NORETURN.
3357 * rtl.c (reg_note_name): Add REG_NORETURN.
3358 * rtl.h (enum reg_note): Likewise.
3360 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
3362 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
3363 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
3364 (emit_predicate_relation_info): Handle conditional calls with
3366 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
3367 instead of ia64_file_start.
3368 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
3369 * config/ia64/ia64.md (safe_across_calls_all,
3370 save_across_calls_normal): New patterns.
3372 * loop.c (check_final_value): Check for biv use before checking for
3373 giv use. Check for both biv and giv uses. Always set last_giv_use
3374 if there is a giv use.
3376 2000-09-01 Richard Henderson <rth@cygnus.com>
3378 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
3379 (madddi3): Likewise.
3382 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3384 * expr.c (clear_storage): Don't use emit_move_insn unless
3385 either BLKmode or proper size.
3386 (store_constructor): Don't call clear_storage if REG of wrong size.
3388 * flow.c (init_propagate_block_info): Don't mark frame dead at end
3389 of function if returns wiht stack pointer depressed.
3391 2000-09-01 Andrew Haley <aph@redhat.com>
3393 * dwarf2out.c (stack_adjust_offset): New function.
3394 (dwarf2out_stack_adjust): Break out stack adjust logic into
3395 new stack_adjust_offset function. Look inside parallels and
3396 sequences for stack adjustments.
3398 2000-08-31 Jeff Law <law@cygnus.com>
3400 * arm.md: Use no_new_pseudos to determine when it is safe
3401 to create new pseudo registers.
3403 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
3404 when we can safely allocate new registers.
3406 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
3408 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
3409 so that CONCATs are not generated for ASMs.
3410 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
3411 not generating_concat_p.
3412 * function.c (pop_function_context_from): Reset
3413 generating_concat_p.
3414 (prepare_function_start): Likewise.
3415 * rtl.c (generating_concat_p): Define.
3416 * rtl.h (generating_concat_p): Declare.
3417 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
3419 2000-08-22 Philipp Thomas <pthomas@suse.de>
3420 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
3422 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
3425 2000-08-30 Greg McGary <greg@mcgary.org>
3427 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
3428 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
3429 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
3431 2000-08-30 Greg McGary <greg@mcgary.org>
3433 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
3434 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
3435 (TREE_INT_CST): New macro.
3436 * varasm.c (const_hash, compare_constant_1, record_constant_1):
3437 Use new macro TREE_INT_CST.
3439 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
3441 * contrib.texi: Add self.
3443 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
3445 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
3446 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
3449 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3451 * fixinc/gnu-regex.c: Don't define `const'.
3453 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3455 * expr.c (store_constructor): Allow variable bounds of array type.
3456 (expand_expr): Don't blow up if type is ERROR_MARK.
3457 * varasm.c (output_constructor): Don't access lower bound of array
3458 type unless need it if index is supplied (so it can be a variable
3459 if no index is supplied).
3460 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
3461 Other minor cleanups.
3463 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3465 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
3466 for compilations in stage 1 and subsequent stages, respectively.
3467 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
3468 * configure: Rebuilt.
3469 * x-vax, x-vax-gcc: Deleted.
3471 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
3473 * c-common.c (declare_function_name): Use func_id_node,
3474 function_id_node, and pretty_function_id_node. Do not make
3475 __func__ visible at file scope.
3476 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
3477 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
3478 (function_id_node, pretty_function_id_node, func_id_node): New
3480 * c-decl.c (init_decl_processing): Initialize function_id_node,
3481 pretty_function_id_node, and func_id_node.
3482 (c_make_fname_decl): Correct comment.
3484 * tree.h (struct tree_identifier): Constify pointer member.
3486 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
3487 * c-pragma.h (struct weak_syms): Constify name and value members.
3488 (add_weak): Constify arguments.
3490 * calls.c (special_function_p): Constify a char *.
3491 (expand_call): Remove variable which is initialized and then
3493 * dependence.c (struct def_use, struct induction, struct subscript):
3494 Constify 'variable' member.
3495 (get_low_bound, have_induction_variable): Constify char * argument.
3496 (find_induction_variable): Add braces to avoid dangling else.
3497 (classify_dependence): Constify char * arrays.
3498 * profile.c (output_func_start_profiler): Constify a char *.
3499 * stor-layout.c (finalize_record_size): Constify a char *.
3500 * tree.c (is_attribute_p): Constify a char *.
3501 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
3503 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
3504 for comprehensibility. Do not call get_identifier if we did
3505 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
3506 create temporary string constants, not ggc_alloc_string. No
3507 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
3508 char * to hold IDENTIFIER_POINTERs.
3510 2000-08-29 Richard Henderson <rth@cygnus.com>
3512 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
3515 2000-08-29 Richard Henderson <rth@cygnus.com>
3517 * reload.c (push_secondary_reload): Allow class == reload_class
3518 if we're using a reload_in/out pattern.
3520 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
3521 the half that does not conflict with the reload register.
3522 (reload_outti): Likewise.
3524 2000-08-29 Kazu Hirata <kazu@hxi.com>
3526 * reload.c: Fix formatting.
3528 * stmt.c: Fix formatting.
3530 * gcc.c: Fix formatting.
3532 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
3534 * flags.h (time_report, mem_report): New global flags.
3535 * toplev.c: Define time_report and mem_report.
3536 (f_options): Add -ftime-report and -fmem-report.
3537 (compile_file): Turn on time_report if quiet_flag is off.
3538 Call ggc_print_statistics at very end if mem_report is on.
3539 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
3541 * ggc-common.c (ggc_print_statistics): Rename to
3542 ggc_print_common_statistics; all callers changed. Scale
3543 quantities above 10K to kilobytes and above 10M to megabytes.
3544 * ggc-page.c (ggc_page_print_statistics): Rename to
3545 ggc_print_statistics. Report memory consumed by internal data
3546 structures for each allocation bucket. Scale quantities above
3547 10K to kilobytes and above 10M to megabytes.
3548 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
3549 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
3550 Define tally_leaves always.
3551 (ggc_print_statistics): New function.
3552 * ggc.h: Adjust for renamed functions.
3554 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
3556 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
3557 output_movsisf instead of which_alternative.
3559 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
3561 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
3563 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
3564 (avr_progmem_p): New prototype.
3565 (output_movsisf): Prototype declaration changed.
3566 (output_movqi): New prototype.
3567 (output_movhi): New prototype.
3568 (call_insn_operand): Likewise.
3569 (final_prescan_insn): Likewise.
3570 (avr_simplify_comparision_p): Likewise.
3571 (avr_normalize_condition): Likewise.
3572 (compare_eq_p): Likewise.
3573 (out_shift_with_cnt): Likewise.
3574 (const_int_pow2_p): Likewise.
3575 (output_reload_inhi): Prototype declaration changed.
3577 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
3578 (ldi_reg_rtx): New. rtx for r31.
3579 (avr_init_stack): Initialize as "__stack".
3580 (function_prologue): Use it.
3581 Replace all TARGET_ENHANCED with AVR_ENHANCED.
3582 (avr_mcu_name): Initialize as "avr2".
3583 (avr_enhanced_p, avr_mega_p): New variables.
3584 (mcu_types, avr_override_options): Handle all known MCU types.
3585 Also handle avr1 (only preprocess, assemble and link).
3586 (print_operand): Using of `%K' in output template removed.
3587 (out_movqi_r_mr): Optimized.
3588 (out_movhi_r_mr): Likewise.
3589 (output_movqi): New function.
3590 (output_movhi): Likewise.
3591 (out_movsi_r_mr): Optimized.
3592 (output_movsisf): Compute insn length for `adjust_insn_length'
3593 (out_movqi_mr_r): Optimized.
3594 (out_movhi_mr_r): Optimized.
3595 (adjust_insn_length): Use output_movsisf, output_movqi,
3596 output_movhi for insn length adjusting.
3597 (reg_unused_after): Use dead_or_set_p.
3598 (preferred_reload_class): Now havn't any restriction.
3599 (reg_was_0): New function.
3600 (io_address_p): Likewise.
3601 (const_int_pow2_p): Likewise.
3602 (output_reload_inhi): Likewise.
3603 (output_reload_insisf): Likewise.
3605 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
3606 (LIB_SPEC): Use -lc for all supported devices.
3607 (LIBGCC_SPEC): Use -lgcc for all supported devices.
3608 (AVR_MEGA): Define as avr_mega_p.
3609 (AVR_ENHANCED): New, define as avr_enhanced_p.
3610 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
3611 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
3612 (CRT_BINUTILS_SPECS): Handle all known MCU types.
3613 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
3614 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
3615 (ASM_SPEC): Pass -mmcu=... to the assembler.
3616 Change all -DAVR_* to -D__AVR_*__.
3617 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
3618 Rename library functions to start with two underscores.
3619 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
3621 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
3622 (SUPPORTS_WEAK): Likewise.
3623 (LDI_REG_REGNO): New. Register r31 will be used as temporary
3624 register for loading constants to r0-r14.
3626 * config/avr/avr.md: Replace all TARGET_ENHANCED with
3628 (*mov_r_sp): Removed. Handled by output_movhi.
3629 (*mov_sp_r): Likewise.
3630 (*mov_sp_r_no_interrupts): Likewise
3631 (*mov_sp_r_tiny): Likewise.
3632 (*movqi): Use output_movqi.
3633 (*reload_inqi): New.
3634 (*movhi): Use output_movhi.
3635 (*reload_inhi): New.
3636 (*negsi2): Optimized.
3637 (*negsf2): Likewise.
3638 Added peepholes (define_peephole2) for loading constants to r0-r14
3639 and for using `cpse' command.
3641 * config/avr/libgcc.S: Rename library functions to start with two
3643 Add support for enhanced core.
3644 (_moqhi3): Fix typo, now _modqi3.
3645 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
3646 (__prologue_saves__): Remove test for stack adjust by 0.
3647 (__tablejump__): New.
3649 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
3650 Add multilib support.
3652 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
3654 * loop.c (prescan_loop): Don't check unknown_address_altered
3655 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
3656 to loop_store_mems as necessary.
3657 (loop_invariant_p): Don't check unknown_address_altered
3658 or unknown_constant_address_altered.
3660 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3662 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
3664 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
3666 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
3667 print just the filename.
3668 * cpplex.c (_cpp_run_directive): Add additional argument, the
3669 name to give the synthetic buffer. This defaults to
3670 translated "<command line>".
3671 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
3673 (_cpp_define_builtin): New function.
3674 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
3675 * cpphash.h: Update prototypes.
3677 * tradcpp.c (main): Process -D and -U simultaneously, in the
3678 order they appeared on the command line.
3680 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3682 * c-decl.c (define_label): Call warning_with_file_and_line and
3683 error_with_file_and_line instead of plain warning or error.
3685 * c-parse.in (label): Use save_filename/save_lineno to ensure
3686 correct values for calls to define_label.
3688 2000-08-29 Mark Mitchell <mark@codesourcery.com>
3690 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
3692 * expr.c (expand_expr, case TARGET_EXPR): Don't call
3694 * tree.h (get_file_function_name): Remove two duplicate
3697 2000-08-28 Kazu Hirata <kazu@hxi.com>
3699 * tree.c: Fix formatting.
3701 * xcoffout.c: Fix formatting.
3703 2000-08-28 Jason Merrill <jason@redhat.com>
3705 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
3707 2000-08-28 Daniel Berlin <dberlin@redhat.com>
3709 * dwarf2out.c (dwarf2out_finish): Don't bother calling
3710 break_out_includes if it won't do anything.
3712 2000-08-28 Richard Henderson <rth@cygnus.com>
3714 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
3715 (find_reloads): Likewise.
3716 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
3717 (reload_inhi): Likewise.
3719 2000-08-28 Richard Henderson <rth@cygnus.com>
3721 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
3722 (call_insn_operand): Don't expect a surrounding mem.
3723 (constant_call_address_operand): Likewise.
3724 * config/i386/i386.h (PREDICATE_CODES): Update.
3725 * config/i386/i386.md (call patterns): Move the match_operand
3726 for the call destination inside the mem.
3728 2000-08-28 Richard Henderson <rth@cygnus.com>
3730 * local-alloc.c (requires_inout): Don't use reserved range for
3731 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
3732 * recog.c (asm_operand_ok): Likewise.
3733 (preprocess_constraints, constrain_operands): Likewise.
3734 * regclass.c (record_reg_classes): Likewise.
3735 * reload.c (find_reloads): Likewise.
3736 * reload1.c (maybe_fix_stack_asms): Likewise.
3737 (reload_cse_simplify_operands): Likewise.
3738 * stmt.c (expand_asm_operands): Likewise.
3740 * md.texi: Update constraints documentation.
3741 * tm.texi (EXTRA_CONSTRAINT): Update.
3743 2000-08-28 Daniel Berlin <dberlin@redhat.com>
3745 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
3746 (print_die): If we don't know the offset of the
3747 target die, try the symbol. Add a trailing newline.
3748 (reverse_all_dies): New fn.
3749 (dwarf2out_finish): Call it.
3750 (break_out_includes): Reorganize for clarity.
3751 (add_sibling_attributes): Don't call reverse_die_lists.
3752 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
3754 * flags.h: Add flag_eliminate_dwarf2_dups.
3755 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
3757 2000-08-28 Jason Merrill <jason@redhat.com>
3759 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
3760 * dwarf2out.c: #include "md5.h".
3761 (DIE_LABEL_PREFIX): New macro.
3762 (dw_val_struct): Add 'external' flag to val_die_ref.
3763 (add_AT_die_ref, AT_ref): Adjust.
3764 (AT_ref_external, set_AT_ref_external): New fns.
3765 (build_abbrev_table): Call set_AT_ref_external.
3766 (value_format): Call AT_ref_external.
3767 (die_struct): Add die_symbol field.
3768 (new_die): Clear it.
3769 (dwarf_tag_name): Handle BINCL/EINCL.
3770 (dwarf2out_start_source_file): Add BINCL DIE.
3771 (dwarf2out_end_source_file): Add EINCL DIE.
3772 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
3773 (loc_checksum, attr_checksum, die_checksum): New fns.
3774 (is_type_die, is_comdat_die, is_symbol_die): New fns.
3775 (compute_section_prefix, assign_symbol_names): New fns.
3776 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
3777 (output_die): Call output_die_symbol and AT_ref_external.
3778 (output_comdat_comp_unit): New fn, split out from...
3779 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
3781 (output_pubnames, output_aranges): Abort if we see entries from
3783 * toplev.h: Declare file_name_nondirectory.
3784 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
3785 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
3786 (debug_start_source_file): Call dwarf2out_start_source_file
3787 regardless of debug verbosity.
3788 (debug_end_source_file): Similarly.
3789 * tree.h: Declare clean_symbol_name.
3790 * tree.c (clean_symbol_name): Split out from...
3791 (get_file_function_name_long): ...here.
3793 * dwarf2out.c (new_loc_descr): Use calloc.
3794 (splice_child_die): Remove the die from the right parent.
3795 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
3797 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3799 * toplev.c (decode_g_option): Don't give warning for unknown -g
3800 option; return 0 instead.
3801 (main): If -g option is not recognized by front end or
3802 language-independent code, give warning.
3804 2000-08-28 Greg McGary <greg@mcgary.org>
3806 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
3807 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
3808 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
3810 2000-08-27 Greg McGary <greg@mcgary.org>
3812 * cpplex.c (parse_string): Don't look for backslash
3813 before first char in `namebuf'.
3814 * loop.c (strength_reduce): Skip NOTEs.
3816 2000-08-27 Jason Merrill <jason@redhat.com>
3818 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
3819 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
3820 TREE_ASM_WRITTEN, either.
3821 (finish_decl): Adjust.
3823 2000-08-28 Philipp Thomas <pthomas@suse.de>
3825 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
3826 they have been incorporated into the gettext CVS. Change the text to
3827 reflect the current status of NLS. Add instructions for accessing
3828 the gettext CVS and add the patch from Martin v. Loewis.
3830 2000-08-27 Geoff Keating <geoffk@cygnus.com>
3832 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
3833 by using gen_lowpart_common.
3834 (movdi_internal64+6): Likewise.
3836 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
3838 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
3841 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
3842 numbers to the ranges used by GDB.
3844 2000-08-25 Richard Henderson <rth@cygnus.com>
3846 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
3847 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
3848 (ia64_expand_prologue): Likewise.
3849 (ia64_setup_incoming_varargs): Set it. Properly skip the current
3850 argument for stdargs.
3852 2000-08-25 Jason Merrill <jason@redhat.com>
3854 * integrate.c (expand_inline_function): Pull out the original decl.
3856 2000-08-25 Jim Wilson <wilson@cygnus.com>
3858 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
3860 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
3862 2000-08-25 Greg McGary <greg@mcgary.org>
3864 * flow.c (dump_edge_info): Use ARRAY_SIZE.
3865 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
3867 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
3869 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
3871 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
3873 * i386.c (ix86_find_base_term): New.
3874 * i386-protos.h (ix86_find_base_term): Prototype.
3875 * i386.h (FIND_BASE_TERM): Define.
3876 * alias.c (find_base_term): Use it.
3877 * tm.texi (FIND_BASE_TERM): Document it.
3879 * alias.c (true_dependence, write_dependence_p): Unchanging
3880 memory can't conflict with non-unchanging memory.
3882 * alias.c (memrefs_conflict_p): A BLKmode reference
3883 to a symbol (or CONST_INT address) always conflicts
3884 with a reference to another symbol.
3886 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
3888 * c-common.c (time_char_table): Don't allow width and flags with
3891 2000-08-25 Jakub Jelinek <jakub@redhat.com>
3893 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
3894 way as LT and LTU when the second operand has 0 in low word.
3896 2000-08-26 Michael Hayes <mhayes@cygnus.com>
3898 * basic-block.h (struct loop): Rename `exits' field to
3899 `exit_edges'. Add `entry_edges' and `num_entries' fields.
3901 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
3902 (flow_loop_entry_edges_find): Add.
3903 (flow_edge_list_print): Rename from flow_exits_print.
3904 (flow_loops_find): Call flow_loop_entry_edges_find.
3905 (flow_loop_dump): Dump entry_edges list.
3906 (flow_loops_free): Free entry_edges.
3908 2000-08-26 Michael Hayes <mhayes@cygnus.com>
3910 * loop.c (loop_dump_aux, debug_loop): New functions.
3911 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
3913 * flow.c (flow_loops_dump): Add callback parameter.
3914 (flow_loop_dump): Add callback parameter and call it. Move
3915 loop note debugging code to loop_dump_aux.
3917 * basic-block.h (flow_loop_dump): Add callback parameter
3918 (flow_loops_dump): Likewise.
3920 * toplev.c (rest_of_compilation): Add NULL callback function pointer
3921 to call to flow_loops_dump.
3923 2000-08-26 Michael Hayes <mhayes@cygnus.com>
3925 * loop.c (count_loop_regs_set): Replace start and end arguments
3926 with loop argument. All callers udated.
3928 2000-08-26 Michael Hayes <mhayes@cygnus.com>
3930 * loop.c (constant_high_bytes): Delete.
3932 2000-08-26 Michael Hayes <mhayes@cygnus.com>
3934 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
3935 and NOTE_INSN_LOOP_VTOP to...
3936 (find_and_verify_loops) ...here.
3938 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
3940 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
3941 (fini_dummy, init_dummy): Use it.
3943 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
3945 * cpplex.c (is_macro_disabled): Caller has already checked
3946 that we're not a preprocessed file.
3948 2000-08-24 Mark Mitchell <mark@codesourcery.com>
3950 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
3951 (c-iterate.o): Remove target.
3952 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
3953 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
3954 (finish_decl): Don't handle iterators.
3955 (grokdeclarator): Likewise.
3956 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
3957 * gcc/c-gperf.h: Regenerated.
3958 * gcc/c-iterate.c: Removed.
3959 * gcc/c-lex.c (init_lex): Don't handle iterators.
3960 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
3961 (compstmt_primary_start): Remove push_iterator_stack call.
3962 (stmt): Don't allow iterator statements. Replace iterator_expand
3963 with expand_expr_stmt.
3964 (all_iter_stmt): Remove.
3965 (all_iter_stmt_simple): Likewise.
3966 (all_iter_stmt_with_decl): Likewise.
3967 * gcc/c-tree.h (ITERATOR_P): Remove.
3968 (ITERATOR_BOUND_P): Likewise.
3969 (init_iterators): Remove declaration.
3970 (iterator_expand): Likewise.
3971 (iterator_for_loop_start): Likewise.
3972 (iterator_for_loop_end): Likewise.
3973 (iterator_for_loop_record): Likewise.
3974 (push_iterator_stack): Likewise.
3975 (pop_iterator_stack): Likewise.
3976 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
3977 (readonly_warning): Likewise.
3978 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
3980 2000-08-24 Jim Wilson <wilson@cygnus.com>
3982 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
3983 Copy type in a TYPE_DECL, just like pushdecl does.
3985 2000-08-24 Richard Henderson <rth@cygnus.com>
3987 * toplev.c (main): Enable flag_reorder_blocks at -O2.
3989 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
3991 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
3992 asked for one page, allocate GGC_QUIRE_SIZE of them and put
3993 the extras on the free list.
3994 (release_pages): Clean up.
3995 (ggc_set_mark): Don't adjust G.allocated here...
3996 (sweep_pages): ... do it here.
3998 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
4000 * cppfiles.c (read_include_file): Rearrange initializations.
4002 2000-08-24 Richard Henderson <rth@cygnus.com>
4004 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
4006 * config/ia64/ia64-protos.h: Update.
4007 * config/ia64/ia64.c (gr_register_operand): New.
4008 (fr_register_operand, grfr_register_operand): New.
4009 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
4010 (grfr_reg_or_8bit_operand): New.
4011 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
4012 use gr_register_operand.
4013 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
4014 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
4015 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
4016 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
4017 (fr_reg_or_fp01_operand): Likewise.
4018 (not_postinc_memory_operand): New.
4019 (ia64_split_timode): Remove unused variables.
4020 (rtx_needs_barrier): Check arguments to cmpxchg.
4021 (builtin_description): Remove.
4022 (bdesc_2argsi, bdesc_2argdi): Remove.
4023 (ia64_init_builtins): Declare all builtins directly.
4024 (ia64_expand_fetch_and_op): Rewrite to be called from
4025 ia64_expand_builtin directly. Use expand_binop and co.
4026 (ia64_expand_op_and_fetch): Likewise.
4027 (ia64_expand_compare_and_swap): Likewise.
4028 (ia64_expand_binop_builtin): Remove.
4029 (ia64_expand_lock_test_and_set): New.
4030 (ia64_expand_lock_release): New.
4031 (ia64_expand_builtin): Use them.
4032 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
4033 (EXTRA_CONSTRAINT): Use it.
4034 (PREDICATE_CODES): Update.
4035 * config/ia64/ia64.md (*): Use gr_register_operand and co.
4036 (mf): Indicate that we set memory as well as use it.
4037 (fetchadd_acq_si): Show memory being modified as well.
4038 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
4039 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
4040 (lock_test_and_set_si, lock_test_and_set_di): Remove.
4041 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
4042 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
4043 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
4044 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
4045 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
4046 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
4047 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
4048 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
4049 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
4050 return type. Pretty print definitions.
4052 2000-08-24 Jim Wilson <wilson@cygnus.com>
4054 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
4055 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
4057 2000-08-24 Jason Merrill <jason@redhat.com>
4059 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
4060 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
4061 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
4062 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
4064 2000-08-24 Greg McGary <greg@mcgary.org>
4066 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
4067 and extendtab within their proper array boundaries.
4068 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
4069 for the entire array.
4071 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
4072 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
4073 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
4074 * config/fr30/fr30.c (fr30_print_operand): Likewise.
4075 * config/i386/dgux.c (output_options): Likewise.
4076 * config/i386/dgux.h (ASM_FILE_START): Likewise.
4077 * config/m88k/m88k.c (output_options): Likewise.
4078 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
4079 * config/mcore/mcore.c (mcore_output_inline_const_forced,
4080 layout_mcore_frame, handle_structs_in_regs): Likewise.
4081 * config/mips/mips.c (output_block_move): Likewise.
4082 * config/rs6000/rs6000.c (rs6000_override_options,
4083 rs6000_file_start): Likewise.
4084 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
4085 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
4086 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
4087 * builtins.c (expand_builtin_setjmp): Likewise.
4088 * expr.c (safe_from_p): Likewise.
4089 * flow.c (life_analysis): Likewise.
4090 * fold-const.c (size_int_type_wide): Likewise.
4091 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
4092 * genattrtab.c (make_length_attrs): Likewise.
4093 * genopinit.c (gen_insn): Likewise.
4094 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
4095 * global.c (global_alloc): Likewise.
4096 * local-alloc.c (find_free_reg): Likewise.
4097 * mips-tdump.c (print_symbol): Likewise.
4098 * mips-tfile.c (parse_def, parse_input): Likewise.
4099 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
4100 * stmt.c (expand_nl_goto_receiver): Likewise.
4101 * stor-layout.c (set_sizetype): Likewise.
4102 * varasm.c (decode_reg_name): Likewise.
4103 * toplev.c (decode_f_option, decode_W_option,
4104 set_target_switch, print_switch_values): Likewise.
4105 (NUM_ELEM): Remove macro.
4106 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
4108 2000-08-24 Greg McGary <greg@mcgary.org>
4110 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
4111 (MAIN_NAME_P, main_identifier_node): New macros.
4112 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
4113 * c-decl.c (start_decl, grokdeclarator, start_function,
4114 store_parm_decls, finish_function): Use MAIN_NAME_P.
4115 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
4116 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
4117 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
4118 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
4120 2000-08-24 Greg McGary <greg@mcgary.org>
4122 * cppfiles.c (actual_directory): Don't write beyond `dir'
4123 when it contains "".
4124 * real.c (asctoeg): Stay within bounds of etens[][].
4126 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4128 * dependence.c (dependence_string, direction_string,
4129 dump_one_node, dump_node_dependence): Hide unused identifiers.
4130 (get_low_bound, normalize_coefficients): Match definition to
4132 (get_one_coefficient): Initialize variables `value0_is_idx' and
4134 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
4135 (ziv_test): Delete variable `idx', use parameter `sub' instead.
4136 (direction_merge): Avoid automatic aggregate initialization.
4137 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
4138 Initialize variables `dest_idx' and `src_idx'.
4139 (end_dependence_analysis): Avoid C89 style function definition.
4141 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
4143 * c-common.c (time_char_table): Don't allow width with %F.
4144 (check_format_info): Don't allow "Z" length with scanf.
4146 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
4148 * diagnostic.c (finish_diagnostic): Define.
4149 (output_do_printf): Use wrap_text instead of output_add_string.
4150 (default_print_error_function): Avoid embedded '\n'.
4152 * diagnostic.h (flush_diagnostic_buffer): Declare.
4154 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
4156 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
4158 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
4160 * Makefile.in (GCC_PASSES): Add specs.
4162 2000-08-23 Jim Wilson <wilson@cygnus.com>
4164 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
4165 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
4166 EHANDLER nor UHANDLER bit is set.
4167 (__get_except_table): Likewise.
4169 2000-08-23 Nick Clifton <nickc@redhat.com>
4171 * config/arm/lib1funcs.asm: Replace upper case condition codes
4172 with lower case versions.
4174 * config/arm/arm.h (STRUCT_VALUE): Define.
4175 (STRUCT_VALUE_REGNUM): Delete.
4177 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
4179 * cpphash.h (IN_I): New flag for directive table.
4180 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
4182 (_cpp_check_directive): If -fpreprocessed, execute directives
4183 marked with IN_I. Issue no warnings in this case.
4184 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
4186 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
4188 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
4190 (check_format_info): Support printf 'I' flag; warn about it with
4193 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
4195 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
4196 barrier can't be ignored by the alias analysis code.
4198 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
4200 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
4201 works inside fixincl.
4203 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
4205 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
4206 simplify_relational_operation() unless both operands are of
4208 * cse.c (fold_rtx): Likewise.
4210 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
4212 * rtlanal.c (rtx_unstable_p): The pic register is stable
4213 (within one function) and the actual rtx should be used
4214 when checking the registers.
4215 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
4217 * alias.c (true_dependence, write_dependence_p): Fix
4218 bug in previous patch.
4220 * i386.c (ix86_GOT_alias_set): New.
4221 (legitimize_pic_address): Use it.
4223 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
4224 only stable if its address is stable.
4225 (rtx_varies_p): An unchanging MEM can't vary if
4226 its address doesn't vary.
4228 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4230 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
4232 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4234 * vax.h (ASM_SPEC): Pass `-J' to assembler.
4235 * x-vax-gcc: New file for bootstrapping with gcc.
4236 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
4237 * configure.in: Use x-vax-gcc with gcc.
4238 * configure: Rebuilt.
4240 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4242 * toplev.c (rest_of_compilation): Rebuild label notes after
4243 post-reload splitting pass if new labels have been created.
4245 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
4247 * diagnostic.h (output_buffer_state): New macro.
4248 * diagnostic.c (diagnostic_for_decl, sorry,
4249 default_print_error_function, output_do_verbatim,
4250 report_diagnostic, report_problematic_module): Use it.
4252 (output_format): Use wrap_text instead of maybe_wrap_text.
4254 2000-08-22 Nick Clifton <nickc@redhat.com>
4256 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
4257 Common code for ARM divide and modulus functions.
4258 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
4260 (FUNC_END): New macro: Common code at the end of the division and
4262 (THUMB_FUNCTION_START): New macro: Common code at the start of
4264 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
4266 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
4268 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
4270 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
4271 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
4274 2000-08-22 Nick Clifton <nickc@redhat.com>
4276 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
4277 restorative additions, test for bottom bits of IP being set,
4278 rather than relying upon the RORs not matching.
4281 2000-08-22 David Edelsohn <edelsohn@gnu.org>
4283 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
4284 text_section() as appropriate instead of emitting text csect
4286 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
4287 (UNIQUE_SECTION): Define macro.
4288 (ASM_OUTPUT_SECTION_NAME): Define macro.
4289 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
4290 on AIX if debugging and -fdata-sections always.
4292 2000-08-22 Steven King <sxking@uswest.net>
4294 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
4296 (LDBL_MAX): Same here.
4298 2000-08-22 Richard Henderson <rth@cygnus.com>
4300 * flow.c (tidy_fallthru_edge): Update b->end properly.
4302 2000-08-22 Stan Cox <scox@redhat.com>
4304 * Makefile.in (OBJS): Add dependence.o.
4305 * dependence.c: New file.
4307 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
4309 * calls.c (check_sibcall_argument_overlap_1): Adjust for
4311 (check_sibcall_argument_overlap): Likewise.
4313 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
4315 * invoke.texi (SH Options): Document -m4-nofpu,
4316 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
4317 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
4319 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
4321 * c-common.c (check_format_info): Give the 'some locales' warning
4322 for strftime %Ey rather than the unconditional 'only last 2 digits
4325 2000-08-22 Richard Henderson <rth@cygnus.com>
4327 * alias.c (init_alias_analysis): Do not register
4328 struct_value_incoming_rtx or static_chain_rtx as pointing
4331 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
4333 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
4335 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
4337 * diagnostic.h (report_problematic_module): Declare.
4338 * diagnostic.c (report_problematic_module): New function.
4339 (report_error_function): Tweak.
4341 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4343 * stmt.c (expand_goto_internal, fixup_gotos): Only check
4344 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
4346 2000-08-21 Richard Henderson <rth@cygnus.com>
4348 * flow.c (calculate_global_regs_live): Mark frame pointer live
4349 everywhere before reload.
4351 2000-08-21 Jim Wilson <wilson@cygnus.com>
4353 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
4354 INTEL_EXTENDED_IEEE_FORMAT.
4355 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
4356 clear last two bytes of output FP value.
4358 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
4360 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
4362 2000-08-21 Jakub Jelinek <jakub@redhat.com>
4364 * unroll.c (loop_find_equiv_value): If ret is modified between
4365 insn and loop_start, ret might not be equivalent to reg.
4367 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
4369 * c-common.c (init_dollar_format_checking,
4370 maybe_read_dollar_number, finish_dollar_format_checking): New
4372 (dollar_arguments_used, dollar_arguments_count,
4373 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
4375 (check_format_info): Support $ formats for scanf and printf width
4376 and precision. Always increment format_chars to advance past the
4377 '*' of precision, not just when the format parameters are
4380 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4382 * mips.c (block_move_loop, expand_block_move,
4383 function_arg_partial_nregs, save_restore_insns, function_prologue,
4384 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
4386 (function_arg_advance, function_arg): Match argument to format
4389 2000-08-21 Nix <nix@esperi.demon.co.uk>
4391 * gcc.c (do_spec_1): Implement %j spec flag.
4392 Remove dead comment.
4394 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
4395 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
4396 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
4397 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
4399 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
4400 writable) instead of hardcoded value.
4402 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
4404 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
4407 * gcc.c (cc1_options): Do not process -o or run the assembler if
4409 * objc/lang-spec.h: Likewise.
4411 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
4413 * fixinc/fixincl.c (fix_with_system): Pipe the output of
4414 "external" fixes through `cat', to avoid truncating the input
4415 file by redirection.
4417 2000-08-21 Jakub Jelinek <jakub@redhat.com>
4419 * config/i386/i386.md (lea_general_1): Copy insn condition to split
4421 (lea_general_2, lea_general_3): Likewise.
4423 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4425 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
4426 warnings to user code.
4428 * c-lex.c (readescape, yylex): Likewise.
4430 * c-typeck.c (store_init_value, process_init_element): Likewise
4431 (c_expand_start_case): Format.
4433 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
4435 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
4437 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
4438 and linker_endian_spec to endian_spec.
4439 (ENDIAN_SPEC): Add %{EB} and %{EL}.
4440 (LINK_SPEC): Remove %{EB} and %{EL}.
4441 (ASM_SPEC): Likewise. Use %(endian_spec).
4443 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
4445 * c-tree.h (flag_hosted): Move declaration from here...
4446 * c-common.h (flag_hosted): ... to here.
4447 (flag_noniso_default_format_attributes): New declaration.
4448 * c-decl.c (flag_noniso_default_format_attributes): New variable.
4449 (c_decode_option): Set it appropriately for options choosing
4450 language standard variant.
4451 * c-common.c (init_function_format_info): Only provide default
4452 format attributes if flag_hosted. Only provide the gettext
4453 formats if flag_noniso_default_format_attributes. Update
4455 (check_format_info): Disable treatment of %a as a scanf flag in
4458 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
4460 * c-common.c (scan_char_table): Add 'w' to flags for all formats
4462 (check_format_info): Set 'wide' for scanf format widths. Warn for
4463 a zero scanf width. Make the check for writing into a constant
4464 object at the first level of indirection; at later levels, warn if
4465 any type qualifiers are encountered.
4467 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
4469 * reload.c (reload_inner_reg_of_subreg): New function broken out of
4471 (push_reload): Use reload_inner_reg_of_subreg.
4472 (combine_reloads): Do not combine reloads if the input reload
4473 is a SUBREG in which the inner part will need reloading.
4475 * global.c (global_alloc): Avoid passing dumpfile argument to
4477 * toplev.c (rest_of_compilation): Likewise.
4478 * reload.h (reload): Remove dumpfile argument. Callers changed.
4479 (debug_reload, debug_reload_to_stream): Move prototypes here.
4480 * rtl.h (reload): Remove dumpfile argument.
4481 * reload.c (debug_reload): Remove prototype.
4482 (debug_reload_to_stream): Likewise.
4483 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
4486 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
4488 * diagnostic.c (context_as_prefix): Export.
4489 (need_error_newline): Remove.
4490 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
4491 (error_module_changed, record_last_error_module,
4492 error_function_changed, record_last_error_function): New functions.
4493 (initialize_diagnostics): Default intialize
4494 lang_diagnostic_starter, lang_diagnostic_finalizer.
4495 (init_output_buffer): Tweak.
4496 (file_name_as_prefix): New function.
4497 (announce_function, default_print_error_function,
4498 report_error_function, set_diagnostic_context): Tweak.
4500 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
4502 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
4503 condition expression.
4505 2000-08-20 Richard Henderson <rth@cygnus.com>
4507 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
4509 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
4511 * cppinit.c (cpp_init): Set global flag when called.
4512 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
4514 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
4516 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
4517 before `process_directive' so that newlines won't be missed
4519 (cpp_printf): Increment `print->lineno' when newline is emitted.
4521 * cppmain.c (cb_ident): Likewise.
4522 (cb_define): Likewise.
4523 (cb_undef): Likewise.
4524 (cb_include): Likewise.
4525 (cb_def_pragma): Likewise.
4526 (dump_macros_helper): Likewise.
4528 2000-08-20 Richard Henderson <rth@cygnus.com>
4530 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
4531 assigned before a loop.
4533 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
4534 (ashrsi3, lshrsi3): Likewise.
4536 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
4538 * c-lang.c: #include diagnostic.h
4539 (c_tree_printer): New function.
4540 (lang_init): Initialize lang_printer.
4542 * Makefile.in (c-lang.o): Depends on diagnostic.h
4544 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
4546 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
4548 * diagnostic.c (default_diagnostic_starter,
4549 default_diagnostic_finalizer): New functions.
4550 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
4551 (pedwarn, pedwarn_with_file_and_line, error,
4552 error_with_file_and_line, fatal, warning,
4553 warning_with_file_and_line): Adjust call to report_diagnostic.
4554 (report_diagnostic): Rework.
4555 (set_diagnostic_context): New function.
4557 * diagnostic.h (struct diagnostic_context): New data structure.
4558 (diagnostic_message, diagnostic_argument_list,
4559 diagnostic_file_location, diagnostic_line_location,
4560 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
4561 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
4562 (set_diagnostic_context): Declare.
4563 (report_diagnostic): Change prototype.
4565 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
4567 * fix-header.c (main): Initialize cpplib.
4569 2000-08-19 Michael Meissner <meissner@redhat.com>
4571 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
4572 instructions in it before checking for indirect jumps.
4574 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
4575 in a indirect jump as a potential for conditional execution.
4577 * d30v.h (d30v_init_expanders): Don't declare here.
4578 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
4581 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
4583 * cpp.texi: Add @section for assertions.
4585 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
4587 * loop.c (scan_loop): Use CONST_CALL_P instead of
4588 checking for REG_LIBCALL / REG_RETVAL.
4590 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
4592 * reload1.c (reload_as_needed): Accept dumpfile argument,
4593 pass it to emit_reload_insns.
4594 (emit_reload_insns): Add new dumpfile argument. If non-null
4595 then dump the reloads for each insn into the dumpfile.
4596 (reload): Pass dumpfile to reload_as_needed.
4598 * invoke.texi: Clean up linux-gnu vs linux comments.
4600 2000-08-19 Richard Henderson <rth@cygnus.com>
4602 * config/ia64/ia64.c (reg_or_5bit_operand): New.
4603 (ia64_depz_field_mask): New.
4604 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
4605 (PREDICATE_CODES): Update.
4606 * config/ia64/ia64.md: Update commentary.
4607 (depz_internal): New.
4608 (ashlsi3): Implement directly.
4609 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
4610 (ashldi3): Use shladd.
4611 * config/ia64/ia64-protos.h: Update.
4613 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
4615 * toplev.c (independent_decode_option): Always process -g.
4616 Remove third argument, now unused. Adjust caller to match.
4618 2000-08-18 Richard Henderson <rth@cygnus.com>
4620 * combine.c (make_compound_operation): Break after creating
4623 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
4625 * cpplib.c (cpp_register_pragma_space): Just return if the
4626 namespace is already registered.
4628 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
4630 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
4631 constant amount. Do not generate ROTL instruction.
4633 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
4635 * config/sh/elf.h: Do not include sh/sh.h.
4636 * config/sh/rtems.h: Likewise.
4637 * config/sh/rtemself.h: Do not include sh/elf.h.
4638 * configure.in: Get them included with `tm_file's.
4639 * configure: Rebuilt.
4641 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
4642 * config/sh/sh.c (fpscr_set_from_mem): Use them.
4644 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4646 * stor-layout.c (compute_record_type): Don't use mode of single
4647 field as mode of record if not integer mode of same type.
4649 * regmove.c (perhaps_ends_bb_p): New function.
4650 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
4651 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
4652 (fixup_match_1): Likewise.
4653 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
4654 avoid signed/unsigned warnings.
4656 * function.c (fixup_var_refs_1, case MEM): Update CODE after
4659 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
4661 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
4662 (_cpp_trigraph_map): Declaration moved from cpplex.c
4664 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
4665 instead of 256. Use consistent test for designated initializers.
4666 (cpp_init): Initialize trigraph_map.
4667 (initialize_standard_includes, parse_option): Use memcmp
4670 * cpplex.c (init_trigraph_map): Remove.
4671 (trigraph_ok, trigraph_replace, lex_line): Refer to
4674 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
4675 (do_unassert): Remove unused "next" local.
4677 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
4679 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
4681 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
4684 2000-08-17 Richard Henderson <rth@cygnus.com>
4686 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
4687 the first insn in a sequence.
4689 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
4691 * alias.c (true_dependence, write_dependence_p): A read
4692 involving a label_ref or the constant pool doesn't create
4695 * rtl.h (unchanging): Improve documentation.
4697 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
4699 * cse.c (insert_regs): Remove unused `regno'.
4701 2000-08-17 Neil Booth <NeilB@earthling.net>
4703 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
4704 remove_dup_dirs. If qtail == brack, remove brack not
4706 (remove_dup_dir, remove_dup_dirs): New functions.
4708 2000-08-17 Neil Booth <NeilB@earthling.net>
4710 * cppinit.c (cpp_cleanup): Free include dir chains.
4711 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
4712 (do_unassert): Free the assert with _cpp_free_definition.
4713 * cppmacro.c (_cpp_free_definition): Free memory allocated for
4714 assertions. Make the node a T_VOID node.
4716 2000-08-17 Neil Booth <NeilB@earthling.net>
4718 * cppinit.c (path_include, append_include_chain):
4719 Remove 2nd parameter (struct cpp_pending *).
4720 (path_include, initialize_standard_includes, cpp_handle_option):
4721 Update callers appropriately.
4722 (cpp_handle_option): Use pend.
4724 2000-08-17 Neil Booth <NeilB@earthling.net>
4726 * cppinit.c (sort_options): Remove, put functionality in
4729 (initialize_builtins): Free memory.
4730 (cpp_start_read): Move init_IStable to cpp_init.
4732 * cpplib.h (cpp_init): New prototype.
4733 * cppmain.c (main): Call cpp_init.
4735 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
4737 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
4738 (rtx_unstable_p, rtx_varies_p): Process vectors.
4740 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
4742 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
4743 references to GLOBAL symbols. Use LOCAL where appropriate.
4745 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4747 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
4748 use t-aix41 when host == target.
4750 2000-08-16 Richard Henderson <rth@cygnus.com>
4752 * reload.c (push_secondary_reload): Revert last change.
4753 If we use a reload_in/out pattern, make the when the same
4754 as the primary reload.
4755 (find_reloads): Likewise.
4757 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
4759 * configure.in (libstdcxx-v3): Fix test.
4760 * configure: Regenerate.
4762 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4764 * calls.c (calls_function_1, expand_call): Only test
4765 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
4766 * function.c (thread_prologue_and_epilogue_insns): Likewise.
4768 2000-08-16 Richard Henderson <rth@cygnus.com>
4770 * combine.c (simplify_shift_const): Revert previous two
4771 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
4772 before the main loop.
4774 2000-08-15 Richard Henderson <rth@cygnus.com>
4776 * combine.c (simplify_shift_const): Bound shift count when
4779 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4781 * calls.c (ECF_SP_DEPRESSED): New macro.
4782 (calls_function_1): Treat calling sp-depressed function as alloca.
4783 (emit_call_1): Don't adjust SP if calling sp-depressed function.
4784 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
4785 If sp-depressed, ensure block saves and restores SP.
4786 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
4788 * function.c (keep_stack_depressed): New function.
4789 (thread_prologue_and_epilogue_insns): Call it.
4790 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
4791 to print DECL_OFFSET_ALIGN.
4792 Print no-force-blk and transparent-union flags properly.
4793 * stmt.c (expand_goto_internal): Don't restore stack if last block
4794 and function returns with sp depressed.
4795 (fixup_gotos): Likewise.
4796 (save_stack_pointer): New function, from code in expand_decl.
4797 (expand_decl): Call new function.
4798 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
4799 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
4800 (save_stack_pointer): New declaration.
4802 * diagnostic.c (fatal_function): New variable.
4803 (set_fatal_function): New function.
4805 * diagnostic.h (set_fatal_function): New declaration.
4807 2000-08-15 William Cohen <wcohen@redhat.com>
4809 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
4810 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
4811 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
4813 2000-08-15 Richard Henderson <rth@cygnus.com>
4815 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
4817 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
4819 * arm.c (arm_function_ok_for_sibcall): New function.
4820 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
4821 * arm.md (call expanders): Don't check here for calls that can't
4824 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
4826 * arm.md (splits generating cond_exec): Disable.
4828 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
4830 * arm/linux-elf.h (text_section): Delete declaration.
4832 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
4834 ARM support for unordered FP operations.
4835 * arm-protos.h (arm_comparison_operator): Declare.
4836 * arm.c (arm_comparison_operator): New function.
4837 (arm_select_cc_mode): Add unordered comparison codes.
4838 (get_arm_condition_code): Likewise.
4839 (arm_final_prescan_insn): Can't handle unordered jumps that can't
4840 be done in one insn.
4841 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
4842 * arm.md (all uses of comparison_operator): Replace with
4843 arm_comparison_operator.
4844 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
4846 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
4849 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4851 * gthr-posix.h: Conditionally include <sched.h>; include
4852 <config.h> from libobjc/.
4854 2000-08-14 Richard Henderson <rth@cygnus.com>
4856 * config/i386/i386.c (legitimize_pic_address): Use Pmode
4859 2000-08-14 Richard Henderson <rth@cygnus.com>
4861 * configure.in (ia64-*): Set float_format for i386 long double.
4863 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
4864 as we would for i386 XFmode.
4865 (PUT_REAL): Likewise.
4866 (endian, ereal_atof, real_value_truncate): Likewise.
4867 (ereal_isneg, toe64, etens, make_nan): Likewise.
4868 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
4870 * config/ia64/ia64-protos.h: Update.
4871 * config/ia64/ia64.c (general_tfmode_operand): New.
4872 (destination_tfmode_operand): New.
4873 (tfreg_or_fp01_operand): New.
4874 (ia64_split_timode): New.
4875 (spill_tfmode_operand): New.
4876 (ia64_expand_prologue): Use TFmode not XFmode.
4877 (ia64_expand_epilogue): Likewise.
4878 (ia64_function_arg): Likewise.
4879 (ia64_function_arg_advance): Likewise.
4880 (ia64_return_in_memory): Likewise.
4881 (ia64_function_value): Likewise.
4882 (ia64_print_operand): Likewise.
4883 (ia64_register_move_cost): Set GR<->FR to 5.
4884 (ia64_secondary_reload_class): Get GR for TImode memory op.
4885 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
4886 (ROUND_TYPE_ALIGN): Remove.
4887 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
4888 (INTEL_EXTENDED_IEEE_FORMAT): Define.
4889 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
4890 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
4891 (MODES_TIEABLE_P): Use TFmode, not XFmode.
4892 (CLASS_MAX_NREGS): Likewise.
4893 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
4894 (PREDICATE_CODES): Update.
4895 * config/ia64/ia64.md (movti): New.
4896 (movti_internal): Use a clobber for memory alternatives.
4897 (reload_inti, reload_outti): New.
4898 (movsfcc_astep): Predicate properly.
4899 (movdfcc_astep): Likewise.
4902 (extendsftf2, extenddftf2): New.
4903 (trunctfsf2, trunctfdf2): New.
4904 (floatditf2, fix_trunctfdi2): New.
4905 (floatunsditf2, fixuns_trunctfdi2): New.
4906 (addtf3, subtf3, multf3, abstf2): New.
4907 (negtf2, nabstf2, mintf3, maxtf3): New.
4908 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
4910 (fr_spill): Use TFmode, not XFmode.
4911 (fr_restore): Likewise.
4912 * config/ia64/lib1funcs.asm (__divtf3): New.
4913 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
4915 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4917 * cse.c (fold_rtx): Avoid empty body in an if-statement.
4919 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
4920 `U' integer constant suffix.
4922 * dwarf2out.c (add_subscript_info): Avoid empty body in an
4925 * sparc/sol2.h (__enable_execute_stack): Prototype.
4927 2000-08-14 David Edelsohn <edelsohn@gnu.org>
4929 * collect2.c: Remove use of AIX import file.
4931 * longlong.h: Test ARCH_PWR not ARCH_POWER.
4933 * rs6000.c (print_operand, case 'E'): Add else.
4935 2000-08-14 Richard Henderson <rth@cygnus.com>
4937 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
4938 (movdi_symbolic): New.
4940 2000-08-14 Jim Wilson <wilson@cygnus.com>
4942 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
4943 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
4944 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
4947 2000-08-14 Richard Henderson <rth@cygnus.com>
4949 * expr.c (emit_group_load): Don't force constants into registers.
4950 Special case source already in the correct mode.
4952 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
4954 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
4955 * fixinc/inclhack.def: Likewise.
4956 * fixinc/mkfixinc.sh: Likewise.
4957 * configure: Regenerate.
4958 * fixinc/fixincl.x: Regenerate.
4959 * install.texi: Document equivalence of linux and linux-gnu.
4961 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4963 * cse.c (insert_regs): Also in REG case: When finding an invalid
4964 value, and we make a new quantity, make sure that it won't be
4965 mistaken by for a valid one by mention_regs.
4967 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
4969 * h8300.md: Remove obsolete peepholes.
4971 2000-08-13 Kazu Hirata <kazu@hxi.com>
4973 * invoke.texi (H8/300 Options): Fix typos.
4974 * config/h8300.c: Fix formatting.
4975 * config/h8300.h: Fix comment typos.
4976 (OVERRIDE_OPTIONS): Fix formatting.
4978 * function.c: Fix formatting.
4980 * cse.c: Fix formatting.
4982 2000-08-13 Geoff Keating <geoffk@cygnus.com>
4984 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
4985 (attempt_auto_inc): Suppress parentheses warning.
4986 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
4987 * loop.c (load_mems): Remove `u' suffix in two places.
4988 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
4990 * config/rs6000/rs6000.h: Likewise.
4991 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
4992 __eabi dummy routine.
4993 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
4996 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
4997 not put stuff in .sdata unnecessarily.
4998 (rs6000_unique_section): New function.
4999 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
5000 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
5002 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
5003 arrays in C99. Don't try to look at DECL_REGISTER of a
5004 COMPONENT_REF. Don't complain twice about the same error.
5006 * fixinc/inclhack.def (aix_pthread): New fix.
5007 (aix_sysmachine): New fix.
5008 * fixinc/fixincl.x: Regenerate.
5010 * expr.c (expand_expr): Call convert_modes when turning a large
5011 multiply into a small one.
5013 2000-08-12 Geoff Keating <geoffk@cygnus.com>
5015 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
5016 the tree structure an exponent rather than an explicit alignment
5017 so it doesn't overflow.
5018 (SET_DECL_OFFSET_ALIGN): New macro.
5019 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
5020 rather than DECL_OFFSET_ALIGN.
5021 (place_field): Likewise.
5022 * expmed.c (store_bit_field): Abort on align==0 to avoid
5023 antisocial machine behaviour.
5025 2000-08-12 Richard Henderson <rth@cygnus.com>
5027 * sibcall.c (uses_addressof): Accept both addressof and
5028 current_function_internal_arg_pointer inside a mem.
5029 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
5030 if current_function_uses_addressof.
5031 * stmt.c (expand_return): Kill tail recursion and HAVE_return
5034 2000-08-11 Richard Henderson <rth@cygnus.com>
5036 * config/ia64/ia64.md (addsi3): Remove expander.
5037 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
5038 (*addsi3_shladd): New.
5040 2000-08-11 Richard Henderson <rth@cygnus.com>
5042 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
5043 (do_restore): Likewise.
5044 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
5045 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
5046 (rtx_needs_barrier): Track actual bit manipulation for
5047 ar.unat moves, gr_spill, and gr_restore.
5048 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
5049 (process_set): Don't handle varargs spills.
5050 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
5051 .mem.offset here instead of in process_set.
5052 (gr_restore): Likewise.
5054 2000-08-11 Richard Henderson <rth@cygnus.com>
5056 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
5058 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
5060 * gcc.texi (The Configuration File): Document
5061 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
5062 UPDATE_PATH_HOST_CANONICALIZATION.
5064 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5066 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
5067 unprototyped function pointer casts on integer constants.
5069 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
5071 * fixproto: Recognize DOS paths with drive letters as absolute paths.
5073 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
5075 * extend.texi (Volatiles): Fix typos.
5077 2000-08-11 Kazu Hirata <kazu@hxi.com>
5079 * flow.c: Fix formatting.
5081 2000-08-11 Richard Henderson <rth@cygnus.com>
5083 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
5084 pattern, always allocate a tertiary scratch register.
5086 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
5087 (reload_inhi): Likewise.
5089 2000-08-11 Richard Henderson <rth@cygnus.com>
5091 * function.c (put_reg_into_stack): Allow type to be NULL.
5092 (schedule_fixup_var_refs): Likewise.
5093 (gen_mem_addressof): Allow decl to be NULL.
5094 (put_addressof_into_stack): Likewise.
5096 * flow.c (merge_blocks_nomove): Be more careful about
5097 locating the beginning of block A.
5099 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
5101 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
5106 * config.in: Reverted the check for <sched.h>.
5108 2000-08-10 Chris Demetriou <cgd@sibyte.com>
5110 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
5111 macros define the name of CTOR and DTOR sections.
5112 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
5113 DTOR_LIST_END): Change to use attributes to specify
5115 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
5116 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
5117 DTOR_LIST_END): Same as in mips/elf.h.
5119 2000-08-10 Drew Moseley <dmoseley@redhat.com>
5121 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
5122 disabling just crt0.o.
5124 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
5126 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
5127 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
5128 (EXTRA_SPECS): Add them.
5129 * arm/lib1funcs.asm: Support builds for interworking.
5130 Use macros to eliminate duplicated pieces of code.
5132 2000-08-10 Kazu Hirata <kazu@hxi.com>
5134 * h8300.c (expand_a_rotate): New.
5135 (emit_a_rotate): Likewise.
5136 (h8300_adjust_insn_length): Add support for the rotate insns.
5137 * h8300.md (rotlqi3): New.
5138 (*rotlqi3_1): Likewise.
5139 (rotlhi3): Likewise.
5140 (*rotlhi3_1): Likewise.
5141 (rotlhi3): Likewise.
5142 (*rotlhi3_1): Likewise.
5143 * h8300-proto.h: Add prototypes for expand_a_rotate and
5146 * h8300.c: Fix comment typos.
5147 (dosize): Declare the variable amount as unsigned.
5148 (get_shift_alg): Fix a comparison between signed and unsigned.
5149 (emit_a_shift): Likewise.
5150 (h8300_adjust_insn_length): Simplify the code.
5152 * c-decl.c: Fix formatting.
5154 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5156 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
5157 warning about non-traditional numeric constant suffixes.
5159 * cppexp.c (parse_number): Likewise.
5161 * invoke.texi: (-Wtraditional): Document new behavior.
5163 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
5165 * gthr-posix.h: Include auto-host.h. Conditionally include
5167 * configure.in: Check for the <sched.h> header file.
5168 * config.in: Added define for HAVE_SCHED_H.
5170 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5172 * c-typeck.c (process_init_element): For -Wtraditional, warn about
5173 initialization of unions.
5175 * invoke.texi (-Wtraditional): Document new behavior.
5177 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
5179 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
5180 instead of extra_c_flags.
5181 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
5182 * configure: Regenerate.
5183 * config.in: Regenerate.
5185 * cpperror.c (cpp_type2name): New function.
5186 * cpplex.c (lex_line): If we issued an error for an invalid
5187 preprocessing directive, discard that logical line.
5188 * cpplib.c (do_line): Call a hook function if the current file
5189 is renamed by #line.
5190 (do_ident): Pass the contents of the string, not the entire
5191 token, to the callback function.
5192 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
5193 (cb.rename_file): New hook function.
5194 (cb.ident): Adjust prototype.
5195 (cpp_type2name): Prototype.
5196 * cppmacro.c (dump_macro_args): Correct precedence lossage.
5198 * cppmain.c (cb_ident): Update for changed interface.
5199 (cb_rename_file): New function.
5200 (main): Set rename callback.
5202 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
5204 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
5205 multi-word registers.
5207 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
5209 * c-common.c (combine_strings, check_format_info): Refer to ISO C
5210 or ISO C89 instead of ANSI C.
5211 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
5212 build_enumerator, do_case): Likewise.
5213 * c-lex.c (parse_float, yylex): Likewise.
5214 * c-parse.in: Likewise.
5215 * c-typeck.c (common_type, build_array_ref, build_binary_op,
5216 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
5217 build_c_cast, convert_for_assignment, set_init_index,
5218 set_init_label, c_expand_start_case): Likewise.
5219 * toplev.c (documented_lang_options, display_help): Likewise.
5221 2000-08-08 Kazu Hirata <kazu@hxi.com>
5223 * h8300.c: Fix formatting.
5224 * h8300.h: Likewise.
5225 * h8300.md: Likewise.
5226 (movsi_h8300hs): Fix formatting of the resulting assembly code.
5228 * reload1.c: Fix formatting.
5230 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
5232 * alpha/alpha.c (alpha_emit_xfloating_libcall):
5233 Use GEN_CALL_VALUE define.
5234 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
5235 * clipper/clipper.md (untyped_call): Likewise.
5236 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
5237 * fx80/fx80.md (untyped_call): Likewise.
5238 * mips/mips.md (untyped_call): Likewise.
5239 * ns32k/ns32k.md (untyped_call): Likewise.
5240 * pa/pa.md (untyped_call): Likewise.
5241 * romp/romp.md (untyped_call): Likewise.
5242 * sparc/sparc.md (untyped_call): Likewise.
5244 2000-08-08 Jason Eckhardt <jle@cygnus.com>
5246 * config/i860/i860.c (singlemove_string): Do not generate assembler
5247 pseudo instructions that must be expanded (that is, with signed
5248 constants larger than 16 bits).
5250 2000-08-08 Richard Henderson <rth@cygnus.com>
5252 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
5253 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
5254 (init_propagate_block_info): Don't kill memory stores at -O0.
5255 (mark_set_1, mark_used_regs): Likewise.
5257 2000-08-08 David Edelsohn <edelsohn@gnu.org>
5259 * rs6000.c (optimization_options): Decorate 'level' as
5261 (mask64_operand): Remove sign-extend thinko.
5262 (rldic_operand): New function.
5263 (load_multiple_operation): regno's are unsigned ints.
5264 (store_multiple_operation): Likewise.
5265 (lmw_operation): Likewise.
5266 (stmw_operation): Likewise.
5267 (includes_lshift_p): shift_mask is unsigned int.
5268 (includes_lshift64_p): New function.
5269 (addrs_ok_for_quad_peep): unsigned int reg1.
5270 (print_operand): Consistently add "else" after
5271 output_operand_lossage().
5272 (print_operand, case 'b'): Fold in case 'W'.
5273 (print_operand, case 'W'): Print rldic MB value.
5274 (output_epilogue): Update Objective-C language string.
5275 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
5276 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
5277 * rs6000.md (ashldi3): Add rldic instruction.
5278 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
5279 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
5282 2000-08-08 Richard Henderson <rth@cygnus.com>
5284 * config/ia64/ia64-protos.h: Remove duplicates. Update
5285 for massive code rearrangements.
5286 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
5287 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
5288 (ia64_local_regs, ia64_need_regstk): Remove.
5289 (ar_ccv_reg_operand): New.
5290 (ia64_gp_save_reg): New.
5291 (struct ia64_frame_info): Combine most of the size elements;
5292 add new gr save elements.
5293 (find_gr_spill): New.
5294 (next_scratch_gr_reg): New.
5295 (mark_reg_gr_used_mask): New.
5296 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
5297 to GR backing store regs when possible.
5298 (ia64_initial_elimination_offset): New.
5299 (ia64_rap_fp_offset): Remove.
5300 (save_restore_insns): Remove.
5301 (setup_spill_pointers): New.
5302 (finish_spill_pointers): New.
5303 (spill_restore_mem): New.
5304 (do_spill, do_restore): New.
5305 (ia64_expand_prologue): Rewrite to use them.
5306 (ia64_expand_epilogue): Likewise.
5307 (ia64_direct_return): Update for current_frame_info changes.
5308 (ia64_function_prologue): Simplify .prologue emission. Emit
5310 (ia64_setup_incoming_varargs): Don't ever emit rtl.
5311 (ia64_dbx_register_number): New.
5312 (ia64_initialize_trampoline): New.
5313 (ia64_secondary_reload_class): Request GR_REGS for integer
5314 arithmetic destined for FR_REGS.
5315 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
5316 (ia64_mark_machine_status): Mark ia64_gp_save.
5317 (rws_access_regno): Rename from rws_access_reg; don't treat
5318 predicates specially.
5319 (rws_access_reg): New. Update all callers.
5320 (rtx_needs_barrier): Remove dead unspecs.
5321 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
5322 (ia64_encode_section_info): Silence signed/unsigned warnings.
5323 (spill_offset, sp_offset, spill_offset_emitted): Remove.
5324 (tmp_reg, tmp_saved): Remove.
5325 (process_set): Rewrite to expect complicated bits via
5326 REG_FRAME_RELATED_EXPR.
5327 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
5328 in the use of ar.ccv; never set RTX_UNCHANGING_P.
5329 (ia64_expand_op_and_fetch): Likewise.
5330 (ia64_expand_compare_and_swap): Likewise.
5331 (ia64_expand_builtin): Likewise.
5332 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
5333 (FIRST_PSEUDO_REGISTER): Update.
5334 (AR_M_REGNO_P): Update.
5335 (FIXED_REGS): Don't mark three local registers as used.
5336 (EXTRA_CC_MODES): New.
5337 (SELECT_CC_MODE): New.
5338 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
5339 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
5340 (FRAME_GROWS_DOWNWARD): Unset.
5341 (STARTING_FRAME_OFFSET): Zero.
5342 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
5343 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
5344 (HARD_FRAME_POINTER_REGNUM): New.
5345 (CAN_DEBUG_WITHOUT_FP): Define.
5346 (TRAMPOLINE_TEMPLATE): Remove.
5347 (TRAMPOLINE_SIZE): Lower to 32.
5348 (TRAMPOLINE_ALIGNMENT): Lower to 64.
5349 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
5350 (PREDICATE_CODES): Update.
5351 (struct machine_function): Add ia64_gp_save.
5352 * config/ia64/ia64.md: Purge unused unspecs.
5353 (movsi patterns): Allow moves to/from AR_M_REGS.
5354 (movdi patterns): Allow moves to/from p0.
5355 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
5356 (gr_spill, gr_restore): Indicate ar.unat read/written.
5357 (nonlocal_goto): Don't pass old frame_pointer.
5358 (nonlocal_goto_receiver): Remove.
5359 (exception_receiver): New.
5360 (builtin_setjmp_setup): New.
5361 (builtin_setjmp_receiver): New.
5362 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
5363 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
5364 (__ia64_restore_stack_nonlocal): Likewise.
5365 (__ia64_trampoline): New.
5366 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
5368 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
5370 2000-08-08 Richard Henderson <rth@cygnus.com>
5372 * frame.h (ia64_frame_state): Add my_psp.
5373 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
5374 (__throw): Pass it in. Don't clobber r7.
5375 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
5376 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
5377 and nothing to do with sp.
5378 (normalize_reg_loc): Use frame->my_psp.
5379 (frame_translate): Handle frame-pointer-less functions. Set
5380 spill_base correctly, in absence of being told.
5381 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
5382 (__ia64_backtrace_helper): New sp argument. Use
5383 builtin_return_address instead of label addresses.
5384 (print_record) [mem_stack_v]: No size member.
5386 2000-08-08 Richard Henderson <rth@cygnus.com>
5388 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
5390 2000-08-08 Richard Henderson <rth@cygnus.com>
5392 * tm.texi (LOCAL_REGNO): Document.
5393 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
5394 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
5395 * reload1.c (reload): Likewise when considering nonlocal labels.
5397 * config/ia64/ia64.h (LOCAL_REGNO): New.
5398 * config/sparc/sparc.h (LOCAL_REGNO): New.
5400 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
5402 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
5404 2000-08-07 Nick Clifton <nickc@redhat.com>
5406 * config/mips/mips.c: Fix compile time warning messages.
5407 * config/mips/mips-protos.h: Add prototype for equality_op.
5409 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
5411 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
5413 * mn10300.md: Use nonimmediate_operand instead of general_operand
5416 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
5418 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
5420 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
5421 * sh.c (expand_block_move): Break long lines.
5422 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
5423 * sh.md (mulsi3): Likewise.
5424 (movdi): Adjust spacing.
5426 2000-08-07 Richard Henderson <rth@cygnus.com>
5428 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
5429 * expr.c (emit_group_store): Don't set it.
5431 2000-08-07 Kazu Hirata <kazu@hxi.com>
5433 * invoke.texi (Options for Debugging Your Program or GCC): Remove
5434 duplicate entries for 'w' and 'z'.
5436 * flow.c: Fix a comment typo.
5438 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
5440 * c-parse.in: Changed the language string for Objective-C to "GNU
5443 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
5445 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
5446 to improve the Posix thread support for Objective-C.
5448 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
5450 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
5451 CTI_UNSIGNED_PTRDIFF_TYPE.
5452 (signed_size_type_node): Define.
5453 (unsigned_ptrdiff_type_node): Define.
5454 * c-decl.c (init_decl_processing): Create the
5455 signed_size_type_node and unsigned_ptrdiff_type_node types.
5456 * c-common.c (T_SC): Define.
5459 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
5460 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
5462 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
5463 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
5464 flags for %c, %s and %[.
5465 (check_format_info): Only allow leniency for signedness of targets
5466 of character pointers (when pedantic) for formats flagged with
5467 "c", so for strings but not for %hh formats. When pedantic, don't
5468 allow character pointers to substitute for void pointers if a
5469 second level of indirection is present.
5471 2000-08-06 Kazu Hirata <kazu@hxi.com>
5473 * invoke.texi (Options for Debugging Your Program or GCC): Update
5474 the names of dump files.
5476 * h8300.c (dosize): Rearrange code for conciseness.
5477 (split_adds_subs): Likewise.
5479 * loop.c: Fix formatting.
5481 * dwarf2out.c: Fix formatting.
5483 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
5485 * expr.c: Fix formatting.
5487 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5489 * rs6000.c (rs6000_maybe_dead): Prototype.
5491 2000-08-06 Richard Henderson <rth@cygnus.com>
5493 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
5494 HAVE_nonlocal_goto as well.
5495 * config/i960/i960.md (nonlocal_goto): Don't do it here.
5496 * config/pj/pj.md (nonlocal_goto): Likewise.
5498 2000-08-07 Michael Hayes <mhayes@cygnus.com>
5500 * loop.c (try_swap_copy_prop): New function.
5501 (load_mems): Rename copies to load_copies and add new regset
5502 store_copies. Check for sets of shadow registers and mark
5503 in store_copies. Call try_swap_copy_prop for registers
5504 marked in store_copies.
5506 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
5508 * objc/objc-act.c: New command line option -fconstant-string-class
5509 to allow specifying a user defined constant string class,
5510 different from NXConstantString.
5512 * toplev.c: Moved the Objective-C specific options to
5513 objc/lang-options.h.
5515 * objc/lang-options.h: Moved the Objective-C specific options from
5516 toplev.c. Added -fconstant-string-class.
5518 2000-08-05 Chris Demetriou <cgd@sibyte.com>
5520 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
5521 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
5522 __CTOR_LIST__ from func_ptr array to just func_ptr, to
5523 avoid extra alignment imposed on arrays.
5524 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
5525 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
5527 * mips.h: Clean up comments and spacing near MASKs.
5528 (TARGET_UNIX_ASM): Delete.
5529 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
5530 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
5533 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
5535 * c-common.c (print_char_table): Add entries for the X/Open '
5536 format flag (print decimals with locale's thousands grouping
5537 character). Make %C expect wint_t.
5538 (check_format_info): If pedantic, warn when the %n$ operand
5539 number form is used. Allow for the ' flag; warn about it if
5542 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
5544 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
5545 type is a float mode, cfun->decl's return type is not, and
5546 TARGET_FLOAT_RETURNS_IN_80387.
5548 2000-08-04 Andreas Schwab <schwab@suse.de>
5550 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
5551 token list, which are always `#' and `pragma'.
5553 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
5555 * tree.c (tree_expr_nonnegative_p): Move to...
5556 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
5557 (rtl_expr_nonnegative_p): New.
5558 * tree.h: Add prototype for rtl_expr_nonnegative_p.
5560 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
5561 CONST_DOUBLE_CHAIN: Move to...
5562 * rtl.h: ...here. Use XCINT/XCEXP.
5564 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
5565 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
5566 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
5569 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
5571 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5573 * config/c4x/c4x.md (return_indirect_internal): New.
5574 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
5576 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
5578 * c-common.c (time_char_table): Mark up formats added in C99 and
5579 make other corrections. %D and %g were added in C99. %Og is an
5580 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
5581 C99. %e was added in C99. %Oj is an extension. %G and %z are in
5582 C99 rather than GNU extensions, but %OG and %Oz are extensions.
5583 %h was added in C99. %C was added in C99. %OY and %OC are
5584 extensions. Add the C99 format %F.
5585 (check_format_info): If pedantic and not in C99 mode, warn for C99
5588 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5590 * function.c (schedule_fixup_var_refs): New function, broken out
5591 of put_reg_into_stack.
5592 (put_reg_into_stack): Use it.
5593 (put_var_into_stack): In CONCAT case, fixup up references for
5594 components only after fixing up references to the whole concat.
5596 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
5598 * alias.c (mark_constant_function): Use INSN_P.
5599 (init_alias_analysis): Likewise.
5600 * combine.c (combine_instructions): Use INSN_P.
5601 (can_combine_p): Likewise.
5602 (try_combine): Likewise.
5603 (distribute_notes): Likewise.
5604 (distribute_links): Likewise.
5605 * cse.c (cse_around_loop): Use INSN_P.
5606 (invalidate_skipped_block): Likewise.
5607 (cse_set_around_loop): Likewise.
5608 (cse_end_of_basic_block): Likewise.
5609 (delete_trivially_dead_insns): Likewise.
5610 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
5611 (unshare_all_rtl_1): Likewise.
5612 (next_cc0_user): Likewise.
5613 (try_split make_insn_raw): Likewise.
5614 (remove_unnecessary_notes): Likewise.
5615 * final.c (shorten_branches): Use INSN_P.
5616 (leaf_renumber_regs): Likewise.
5617 (leaf_renumber_regs_insn): Likewise.
5618 * flow.c (find_label_refs): Use INSN_P.
5619 (verify_wide_reg): Likewise.
5620 (notice_stack_pointer_modification): Likewise.
5621 (count_or_remove_death_notes): Likewise.
5622 (verify_flow_info): Likewise.
5623 (clear_log_links): Likewise.
5624 * function.c (fixup_var_refs_insns): Use INSN_P.
5625 (compute_insns_for_mem): Likewise.
5626 * gcse.c (alloc_gcse_mem): Use INSN_P.
5627 (compute_sets): Likewise.
5628 (compute_hash_table): Likewise.
5629 (classic_gcse): Likewise.
5631 (insert_insn_end_bb): Likewise.
5632 (delete_null_pointer_checks_1): Likewise.
5633 * global.c (expand_preferences): Use INSN_P.
5634 (build_insn_chain): Likewise.
5635 * graph.c (node_data): Use INSN_P.
5636 * haifa-sched.c (priority): Use INSN_P.
5637 (rm_line_notes): Likewise.
5638 (rm_other_notes): Likewise.
5639 (find_insn_reg_weight): Likewise.
5640 (init_target_units): Likewise.
5641 (schedule_block): Likewise.
5642 (compute_block_forward_dependences): Likewise.
5643 (debug_dependencies): Likewise.
5644 (set_priorities): Likewise.
5645 * integrate.c (function_cannot_inline_p): Use INSN_P.
5646 (save_parm_insns): Likewise.
5647 (copy_insn_list): Likewise.
5648 * jump.c (mark_all_labels): Use INSN_P.
5649 (never_reached_warning): Likewise.
5650 * lcm.c (optimize_mode_switching): Use INSN_P.
5651 * local-alloc.c (validate_equiv_mem): Use INSN_P.
5652 (memref_used_between_p): Likewise.
5653 (update_equiv_regs): Likewise.
5654 (block_alloc): Likewise.
5655 (no_conflict_p): Likewise.
5656 * loop.c (scan_loop): Use INSN_P.
5657 (find_and_verify_loops): Likewise.
5658 (count_loop_regs_set): Likewise.
5659 (loop_reg_used_before_p): Likewise.
5660 (strength_reduce): Likewise.
5661 (recombine_givs): Likewise.
5662 (check_dbra_loop): Likewise.
5663 (load_mems): Likewise.
5664 (try_copy_prop): Likewise.
5665 * print-rtl.c (print_rtx): Use INSN_P.
5666 * recog.c (find_single_use): Use INSN_P.
5667 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
5668 (next_flags_user): Likewise.
5669 (swap_rtx_condition): Likewise.
5670 * regmove.c (mark_flags_life_zones): Use INSN_P.
5671 (optimize_reg_copy_1): Likewise.
5672 (optimize_reg_copy_2): Likewise.
5673 (optimize_reg_copy_3): Likewise.
5674 (reg_is_remote_constant_p): Likewise.
5675 (fixup_match_2): Likewise.
5676 (regmove_optimize): Likewise.
5677 (fixup_match_1): Likewise.
5678 * regrename.c (build_def_use): Use INSN_P.
5679 (replace_reg_in_block): Likewise.
5680 (consider_use): Likewise.
5681 * reload.c (find_equiv_reg): Use INSN_P.
5682 * reload1.c (reload): Use INSN_P.
5683 (maybe_fix_stack_asms): Likewise.
5684 (calculate_needs_all_insns): Likewise.
5685 (reload_as_needed): Likewise.
5686 (emit_output_reload_insns): Likewise.
5687 (delete_address_reloads_1): Likewise.
5688 (reload_cse_regs_1): Likewise.
5689 (reload_combine): Likewise.
5690 (reload_cse_move2add): Likewise.
5691 * reorg.c (redundant_insn): Use INSN_P.
5692 (dbr_schedule): Likewise.
5693 * resource.c (find_dead_or_set_registers): Use INSN_P.
5694 (mark_target_live_regs): Likewise.
5695 * rtlanal.c (reg_used_between_p): Use INSN_P.
5696 (reg_referenced_between_p): Likewise.
5697 (reg_set_between_p): Likewise.
5698 (reg_set_p): Likewise.
5699 (single_set): Likewise.
5700 (multiple_sets): Likewise.
5701 (find_last_value): Likewise.
5702 (reg_set_last): Likewise.
5703 (find_reg_note): Likewise.
5704 (find_regno_note): Likewise.
5705 * sibcall.c (sequence_uses_addressof): Use INSN_P.
5706 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
5707 * ssa.c (find_evaluations): Use INSN_P.
5708 (rename_block): Likewise.
5709 (rename_equivalent_regs): Likewise.
5710 * unroll.c (loop_find_equiv_value): Use INSN_P.
5711 (set_dominates_use): Likewise.
5712 * varasm.c (mark_constant_pool): Use INSN_P.
5713 (mark_constants): Likewise.
5714 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
5715 (alphaev4_next_group): Likewise.
5716 (alphaev5_next_group): Likewise.
5717 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
5718 (c4x_rptb_rpts_p): Likewise.
5719 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
5720 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
5721 (rs6000_adjust_priority): Likewise.
5722 * config/sh/sh.c (sh_loop_align): Use INSN_P.
5723 (machine_dependent_reorg): Likewise.
5724 (split_branches): Likewise.
5725 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
5727 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
5729 * combine.c (recog_for_combine): Remove the old notes
5730 prior to attempting to recognize the new pattern.
5731 (distribute_notes): Ignore REG_NONNEG notes.
5733 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
5735 * varasm.c (output_constructor): Add .align 0 for packed vars.
5737 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
5739 * configure.in: Use default thread_file even when enable_threads is
5740 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
5741 * configure: Rebuilt.
5743 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
5745 2000-08-04 Donn Terry (donnte@microsoft.com)
5747 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
5749 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
5751 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
5752 Delete code that conditionally modifies 'version'.
5753 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
5754 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
5755 * gcc.c (main): Use it.
5756 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
5757 * prefix.c (update_path): Use it.
5758 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
5759 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
5760 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
5762 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
5763 (SUBTARGET_SWITCHES): Adjust.
5764 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
5766 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
5768 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
5770 * c-common.h (flag_isoc94): Declare.
5771 * c-decl.c (flag_isoc94): Define.
5772 (c_decode_option): Set flag_isoc94 as appropriate.
5773 * c-common.c (T_PD, T_IM, T_UIM): Define.
5774 (format_char_info): Add tlen and jlen.
5775 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
5777 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
5779 (time_char_table): Add NULL entries for %t and %j.
5780 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
5781 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
5782 Warn for printf %lf if pedantic and not C99. Don't warn for empty
5783 precision. Allow precision argument to be unsigned int. If
5784 pedantic, warn for %p passed an argument not a pointer to possibly
5785 qualified void or a possibly qualified character type, and for
5786 pointer targets of the wrong sign, except for character pointers.
5788 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
5790 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
5791 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
5792 (wint_type_node): Define.
5793 * c-decl.c (WINT_TYPE): Define.
5794 (init_decl_processing): Create the wint_type_node type.
5795 * c-common.c (T_WI): Define.
5796 (print_char_table): Use T_WI for %lc format.
5798 2000-08-04 Bruce Korb <bkorb@gnu.org>
5800 * fixinc/: Verified that the MSDOS patch does not break
5801 the UNIX functionality and applied the next three patches
5804 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
5806 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
5807 output file with the temporary one by appending ".X" to generate
5808 the temporary fuile's name. If the output file already has an
5809 extension, replace it with ".X".
5811 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
5812 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
5813 reallocate the command buffer while copying the command-line
5814 argument. Redirect the output directly to the temporary file,
5815 instead of going through another temporary file.
5816 (process): Close the temporary file before unlinking it.
5817 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
5818 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
5819 (run_compiles): Pass p_fixd argument to machine_matches, as it
5822 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
5823 environment, assume there are no symlinks in the include
5824 directory. When cleaning up the DONE files, look for them
5825 case-insensitively. Don't try to remove symlinks if they aren't
5828 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
5829 all callers changed. Declare pz "const char *", to avoid compiler
5832 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
5833 Change prototype of make_raw_shell_str.
5835 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
5837 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
5838 (initialize) [__MSDOS__]: Use tempnam.
5839 (initialize): Don't use SIGPIPE if it is not defined.
5841 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
5844 2000-07-25 Bruce Korb <bkorb@gnu.org>
5846 * fixinc/fix*.[ch]: substantially reworked to make it possible
5847 to run this program without using fork(2) or pipe(2) (i.e. in
5850 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
5852 * cppdefault.h (WINT_TYPE): Define.
5853 * cppinit.c (builtin_array): Define __WINT_TYPE__.
5854 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
5855 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
5857 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
5859 * (mips_legitimate_address_p): Don't allow register+offset
5860 if the offset is large and negative, and we are compiling
5861 for 64 bit registers.
5863 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5865 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
5866 insn_code_number + 1.
5868 2000-08-04 Kazu Hirata <kazu@hxi.com>
5870 * h8300.c (function_prologue): Rearrange code for conciseness.
5871 (function_epilogue): Likewise.
5872 * h8300.h (OK_FOR_U): Fix formatting.
5874 * cse.c: Fix a comment typo. Fix formatting.
5876 2000-08-03 Richard Henderson <rth@cygnus.com>
5878 * config/i386/i386.md (return_indirect_internal): New.
5879 * config/i386/i386.c (ix86_expand_epilogue): Use it.
5881 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
5883 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
5885 (lex_line): Glue @ onto the beginning of identifiers and
5886 string constants, in Objective-C mode.
5887 (output_token, spell_token): Handle CPP_OSTRING.
5888 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
5889 beginning of a NAME or a STRING, in objc mode.
5891 * cpplib.c (get_define_node): Do not permit identifiers that
5892 begin with @ to be #defined.
5893 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
5894 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
5896 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
5897 * c-tree.h (build_objc_string): Delete prototype.
5898 * objc/objc-tree.def: Delete OBJC_STRING_CST.
5899 * c-lex.c (yylex): Use build_string for all three kinds of strings.
5901 * c-parse.in, objc/objc-act.c: Update commentary.
5903 2000-08-03 Mark Mitchell <mark@codesourcery.com>
5905 * extend.texi: Fix typo in last change.
5907 * extend.texi: Add commentary on statement-expressions and their
5908 interactions with C++.
5910 2000-08-03 Nick Clifton <nickc@cygnus.com>
5912 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
5913 * dwarf.h (LANG_JAVA): Change value to 0x000b.
5915 2000-08-03 Anthony Green <green@cygnus.com>
5917 * dwarf2out.c (gen_compile_unit_die): Add java language support.
5918 (add_bound_info): Check for java language.
5919 (is_java): New function.
5920 * dwarfout.c (output_compile_unit_die): Ditto.
5921 * dwarf.h (dwarf_source_language): Add java source language type.
5922 * dwarf2.h (dwarf_source_language): Ditto.
5924 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
5926 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
5929 * i386.c (ix86_expand_branch): Mode of comparison in
5930 IF_THEN_ELSE is VOIDmode.
5932 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
5934 * gengenrtl.c, rtl.c: Avoid #elif.
5936 2000-08-03 Michael Poole <poole@troilus.org>
5938 * tm.texi (Register Classes): Clarify order of sub-initializers
5939 in REG_CLASS_CONTENTS.
5941 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5943 From SAITOH Masanobu:
5944 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
5946 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
5948 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
5949 is not supported by tradcpp and isn't actually needed for cygwin.
5951 2000-08-03 Kazu Hirata <kazu@hxi.com>
5953 * h8300.c: Fix a comment typo.
5954 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
5956 * jump.c: Fix formatting.
5958 * toplev.c: Fix formatting.
5960 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
5962 * flow.c (find_auto_inc): Verify that we've got a REG before
5963 peeking at its regno. Fail, don't abort if we can't find
5964 the increment of the desired register.
5966 * pa.md (shadd height reduction patterns/splitters): Remove.
5968 2000-08-02 Jim Wilson <wilson@cygnus.com>
5970 * config/ia64/ia64-protos.h (flag_ssa): Declare.
5971 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
5973 2000-08-02 Mark Mitchell <mark@codesourcery.com>
5975 * dce.c: Remove all uses of assert.
5976 * dwarf2out.c: Likewise.
5977 * dwarfout.c: Likewise.
5980 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
5982 * gcc.h (lang_specific_driver): Constify second argument.
5983 * gcc.c (translate_options, process_command, main): Likewise.
5984 Constify variables to match. Cast second argument to
5987 * cppspec.c, gccspec.c: Adjust type of second argument to
5988 lang_specific_driver, and update code as necessary.
5990 2000-08-02 Jakub Jelinek <jakub@redhat.com>
5992 * loop.c (scan_loop): Ensure update_end label does not
5993 go away until reg_scan_update is run.
5995 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
5997 * c-common.h: Prototype min_precision and c_build_qualified_type here...
5998 * c-tree.h: ... not here.
5999 * errors.h: Prototype fancy_abort.
6001 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
6002 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
6003 * regrename.c (regrename_optimize): Make control flow explicit.
6004 (replace_reg_in_block): Initialize reg_use to 0.
6006 * i386.c (legitimate_address_p): Rename error label to
6007 report_error to avoid namespace clash.
6009 2000-08-02 Kazu Hirata <kazu@hxi.com>
6011 * fold-const.c: Fix formatting.
6013 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
6015 * i386.c (legitimate_address_p): Accept other bases than
6016 pic_offset_table_rtx for GOTOFF constructs.
6018 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
6020 * i386.md (shift to lea splitter): Use const_int_operand.
6022 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
6024 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
6025 cppspec.c: Do not use 'legal' or 'illegal' in error messages
6028 * cppmain.c (cb_define, cb_undef): Don't generate any output
6029 if not done_initializing.
6030 * cpplex.c (maybe_paste_with_next): When the token after a ##
6031 is an omitted rest argument, only delete the token before it
6032 if that token is a comma. Do not warn about bogus token
6033 pastes for , ## rest_arg.
6036 * cpp.1: Regenerate.
6038 2000-08-02 Fred Fish <fnf@be.com>
6040 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
6041 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
6044 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
6045 Be directories to search path.
6047 Remove support for __declspec(dllimport) and __declspec(dllexport).
6048 This is leftover cruft from the earlier BeOS gcc port when BeOS
6049 used Microsoft's PE object file format.
6050 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
6051 * config/i386/t-beos (winnt.o): Remove Makefile frag.
6052 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
6053 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
6054 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
6055 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
6056 (REDO_SECTION_INFO_P): Remove.
6057 (ASM_EXPORT_DECL): Remove.
6058 (ASM_DECLARE_FUNCTION_NAME): Remove.
6059 (ASM_DECLARE_OBJECT_NAME): Remove.
6060 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
6061 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
6062 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
6063 (STRIP_NAME_ENCODING): Remove.
6065 Remove support for obsolete version of BeOS that is no longer
6067 * configure.in (i*86-*-beospe*): Remove.
6068 * config/i386/beos-pe.h: Remove.
6070 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
6071 Mark Mitchell <mark@codesourcery.com>
6073 * Makefile.in (OBJS): Added dce.o.
6074 (ssa.o): Updated target to include ssa.h.
6076 (toplev.o): Likewise.
6077 (dce.o): Created target.
6078 * basic-block.h: Added comments.
6079 (INVALID_BLOCK): Added definition.
6080 (connect_infinite_loops_to_exit): Added declaration.
6081 Moved SSA declarations to ssa.h.
6082 * flow.c: Added inclusion of ssa.h.
6083 (struct depth_first_search_dsS, depth_first_search_ds):
6085 (compute_immediate_postdominators): Added definition.
6086 (connect_infinite_loops_to_exit): Likewise.
6087 (flow_dfs_compute_reverse_init): Likewise.
6088 (flow_dfs_compute_reverse_add_bb): Likewise.
6089 (flow_dfs_compute_reverse_execute): Likewise.
6090 (flow_dfs_compute_reverse_finish): Likewise.
6091 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
6092 (LABEL_P): Added definition.
6095 (BARRIER_P): Likewise.
6096 (JUMP_TABLE_DATA_P): Likewise.
6097 (INSN_DEAD_CODE_P): Likewise.
6098 * ssa.c: Replaced inclusions with ssa.h inclusion.
6099 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
6100 (rename_registers): Removed unnecessary variables.
6101 * ssa.h: Created by moving declarations from ssa.c and
6103 * timevar.def: Defined TV_DEAD_CODE_ELIM.
6104 * toplev.c: Added ssa.h inclusion.
6105 (dump_file_index): Added DFI_dce.
6106 (dump_file): Added "dce" entry.
6108 (f_options): Added dce entry.
6109 * invoke.texi: Document -fdce. Emphasize experimental status of
6113 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
6115 * cpperror.c (v_message): Split into _cpp_begin_message and
6116 v_message macro. All callers updated.
6117 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
6120 * cppfiles.c (cpp_syshdr_flags): New function.
6121 (read_include_file): Don't call cpp_output_tokens. Call
6123 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
6124 (cpp_reader_init): Don't initialize token_buffer. Call
6125 _cpp_init_internal_pragmas.
6126 (cpp_cleanup): Don't clear token_buffer.
6127 (cpp_start_read): Don't worry about output from -D processing.
6128 Don't call cpp_output_tokens.
6129 (cpp_finish): Don't dump macros here. Don't call
6131 * cppmacro.c (_cpp_dump_definition): Rename
6132 cpp_dump_definition. Write directly to a FILE *.
6133 (dump_funlike_macro): Delete.
6134 (dump_macro_args): New.
6136 * cpplex.c (TOKEN_LEN): Convert to inline function.
6137 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
6138 cpp_scan_line, _cpp_dump_list): Delete.
6139 (cpp_printf, cpp_output_list): New.
6140 (output_line_command): Don't worry about entering or leaving files.
6141 (cpp_scan_buffer): Just output each token as we hit it.
6142 (process_directive): Don't call cpp_output_tokens.
6143 (_cpp_glue_header_name): Don't use token_buffer.
6144 (output_token, dump_param_spelling): Write directly to a FILE *.
6146 * cpplib.c (pass_thru_directive, dump_macro_name,
6147 pragma_dispatch, do_pragma_gcc): Delete.
6148 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
6149 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
6151 (do_error, do_warning, pragma_dependency): Call
6152 _cpp_begin_message, then cpp_output_list.
6153 (cpp_register_pragma, cpp_register_pragma_space,
6154 _cpp_init_internal_pragmas): New.
6155 (do_pragma): Walk the pragmas table here.
6156 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
6157 do_pragma_dependency): Return void.
6158 (do_pragma_implementation): Moved to cppmain.c.
6160 * cpplib.h: Update prototypes.
6161 (struct cpp_reader): Remove printer, token_buffer,
6162 token_buffer_size, and limit. Add struct cb, and pragmas.
6163 (struct cpp_printer): Remove last_id and written.
6164 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
6165 CPP_ADJUST_WRITTEN): Delete.
6166 * cpphash.h: Update prototypes.
6167 (ufputs): New wrapper.
6169 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
6170 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
6171 (main): Set up callbacks. Register #pragma implementation.
6172 Dump macros from here.
6174 2000-08-01 Geoff Keating <geoffk@cygnus.com>
6176 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
6177 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
6178 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
6179 insns if they have a REG_MAYBE_DEAD note attached.
6180 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
6181 (rs6000_emit_load_toc_table): TOC loads may go dead.
6183 2000-08-01 Jim Wilson <wilson@cygnus.com>
6185 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
6186 type exists before using it. Use number of words as alignment
6188 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
6189 ia64_va_arg): Propagate ia64_function_args changes here.
6191 2000-08-01 Richard Henderson <rth@cygnus.com>
6193 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
6194 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
6196 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
6198 From Joern Rennecke:
6199 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
6200 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
6201 unless TARGET_SH3E is set.
6202 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
6204 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
6205 (ashlsi3_std): New pattern.
6206 (ashlsi3 expander): Use it for TARGET_SH3.
6207 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
6209 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
6211 * loop.c (canonicalize_condition): Use destination, not source to
6212 determine SET's mode.
6214 2000-07-31 Mark Mitchell <mark@codesourcery.com>
6216 * flow.c (clear_log_links): Fix typo.
6218 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
6220 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
6221 on targets which need more than one insn for a compare/cbranch
6224 2000-07-31 Jim Wilson <wilson@cygnus.com>
6226 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
6227 when computing offset.
6229 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
6231 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
6233 2000-07-31 Geoff Keating <geoffk@cygnus.com>
6235 * flow.c (clear_log_links): Nuke global_live_at_start and
6236 global_live_at_end data, since if the log_links stuff is invalid
6237 so is global_live_at_*.
6239 2000-07-31 Richard Henderson <rth@cygnus.com>
6241 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
6243 2000-07-31 Jakub Jelinek <jakub@redhat.com>
6245 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
6246 (_cpp_get_token): Don't macro expand a just pasted token if it
6247 was pasted at no_expand_level.
6249 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
6251 * cppmacro.c (find_param, count_params, save_expansion):
6252 Permit 'defined' as a macro parameter name.
6254 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
6256 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
6257 xcpp to cpp throughout.
6258 (native): Remove unnecessary dependency on cpp.
6260 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
6261 tradcpp to tradcpp0.
6262 (.i spec): Add missing output-file spec to cc1 command line.
6263 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
6265 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
6267 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
6268 (implicit_decl_warning): New function.
6269 (implicitly_declare): Use it.
6270 * c-typeck.c (build_external_ref): Use implicit_decl_warning
6271 to complain about implicit decls of builtins.
6273 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
6274 based on pedantic && flag_isoc99, if not already set.
6275 * c-tree.h: Declare mesg_implicit_function_declaration.
6276 Prototype implicit_decl_warning.
6278 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
6280 * Makefile.in (ssa.o): Updated header files in dependences.
6281 * basic-block.h: Added compute_immediate_postdominators declaration.
6282 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
6284 * flow.c (compute_immediate_dominators): Updated comment.
6285 (compute_immediate_postdominators): Added definition.
6286 * rtl.h (HARD_REGISTER_P): Added definition.
6287 * ssa.c: Include additional header files.
6288 (assert): Added definition.
6289 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
6290 include select hard registers.
6291 (ssa_rename_to_insert): Likewise.
6292 (ssa_rename_from_initialize): Likewise.
6293 (ssa_rename_from_lookup): Likewise.
6294 (original_register): Likewise.
6295 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
6296 include select hard reigsters.
6297 (ssa_rename_from_traverse): Likewise.
6298 (ssa_rename_from_free): Likewise.
6299 (ssa_rename_from_print): Likewise.
6300 (ssa_rename_from_print_1): Likewise.
6301 (ssa_rename_from_hash_function): Likewise.
6302 (ssa_rename_from_equal): Likewise.
6303 (ssa_rename_from_delete): Likewise.
6304 (simplify_to_immediate_dominators): Removed in favor of
6305 flow.c:compute_immediate_dominators.
6306 (find_evaluations_1): Modified to work with hard registers.
6307 (insert_phi_node): Likewise.
6308 (insert_phi_nodes): Likewise.
6309 (struct rename_set_data): Updated prev_reg comment.
6310 (create_delayed_rename): Modified to work with hard registers.
6311 (RENAME_NO_RTX): Updated comment.
6312 (apply_delayed_renames): Modified to work with hard registers.
6313 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
6314 (rename_block): Updated to use revised ssa_rename_to interface.
6315 (rename_registers): Updated to use revised ssa_rename_to and
6316 ssa_rename_from interface.
6317 (convert_to_ssa): Revised to use compute_immediate_dominators and
6318 deal with hard registers.
6319 (make_regs_equivalent_over_bad_edges): Modified to work with hard
6320 registers. Added check for illegal unification of hard register.
6321 (make_equivalent_phi_alternatives_equivalent): Modified to work
6322 with hard registers.
6323 (compute_conservative_reg_partition): Likewise.
6324 (coalesce_if_unconflicting): Modified to work with hard registers
6325 and check for conflicting hard registers.
6326 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
6328 (rename_equivalent_regs_in_insn): Modified to work with hard
6330 (record_canonical_element_1): Added definition.
6331 (check_hard_regs_in_partition): Added definition.
6332 (convert_from_ssa): Added data structure deallocation and check
6333 for illegal hard register unification.
6334 (conflict_hard_regs_p): Added definition.
6335 * toplev.c (rest_of_compilation): Added comment.
6337 2000-07-31 Anthony Green <green@redhat.com>
6339 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
6341 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
6343 * builtins.c (expand_builtin_apply): Don't defer pop during
6346 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6348 * calls.c (combine_pending_stack_adjustment_and_call): Only use
6349 preferred_unit_stack_boundary when it is > 1.
6351 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
6353 * c-common.c (init_function_format_info): Add C99 format functions
6356 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
6357 void' or 'register void' as being the special case of 'void' alone
6358 in a parameter list.
6360 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
6361 discarding qualifiers into a plain warning.
6363 2000-07-31 Kazu Hirata <kazu@hxi.com>
6365 * combine.c: Fix formatting.
6367 * h8300.md: Fix formatting.
6369 * local-alloc.c: Fix formatting.
6371 * h8300.c (get_shift_alg): Remove the variable alg.
6372 (emit_a_shift): Rearrange code to improve readability.
6374 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
6376 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
6377 HImode on all architectures and a combination of HImode and SImode
6378 on H8/300H and H8/S.
6380 * h8300.c (split_adds_subs): Rearrange code for conciseness.
6382 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
6384 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
6387 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
6389 * recog.c (extract_insn): Set operand_mode according to
6390 operand if match_operand is VOIDmode.
6392 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
6394 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
6396 2000-07-31 Geoff Keating <geoffk@cygnus.com>
6398 * c-parse.in (extdefs): Call ggc_collect between external
6401 2000-07-30 Michael Hayes <mhayes@cygnus.com>
6402 Richard Henderson <rth@cygnus.com>
6404 * Makefile.in (OBJS): Add doloop.o.
6405 * doloop.c: New file.
6407 * final.c (insn_current_reference_address): Return 0 before final.
6408 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
6409 * jump.c (any_uncondjump_p): Likewise.
6410 * loop.c (indirect_jump_in_function): Make static.
6411 (strength_reduce): Call doloop_optimize.
6412 (insert_bct, instrument_loop_bct): Remove.
6413 * loop.h (doloop_optimize): Prototype.
6414 * recog.c (split_all_insns): Split all INSN_P.
6415 * toplev.c (flag_branch_on_count_reg): Default on.
6417 * config/c4x/c4x.c (c4x_optimization_options): Don't set
6418 flag_branch_on_count_reg.
6419 * config/i386/i386.c (override_options): Likewise.
6420 * config/rs6000/rs6000.c (optimization_options): Likewise.
6422 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
6424 (dbra_ge): Remove, as well as all it's splitters.
6426 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
6429 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
6430 (ia64_register_move_cost): Declare.
6431 * config/ia64/ia64.c (ar_lc_reg_operand): New.
6432 (struct ia64_frame_info): Add ar_size.
6433 (ia64_compute_frame_size): Set it.
6434 (save_restore_insns): Save and restore ar.lc.
6435 (ia64_register_move_cost): New, moved from header file. Handle
6436 application registers.
6437 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
6438 (emit_insn_group_barriers): Special case doloop_end_internal.
6439 (ia64_epilogue_uses): Mark ar.lc live at end.
6440 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
6441 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
6442 (FIRST_PSEUDO_REGISTER): Make room.
6443 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
6444 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
6445 (REG_ALLOC_ORDER): Update.
6446 (HARD_REGNO_MODE_OK): Update.
6447 (REGISTER_NAMES): Update.
6448 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
6449 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
6450 (REGNO_REG_CLASS): Update.
6451 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
6452 (REGISTER_MOVE_COST): Move out of line.
6453 (PREDICATE_CODES): Update.
6454 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
6455 (addsi3_plus1_alt, adddi3_plus1_alt): New.
6456 (shladd_elim splitter): Allow constants in the predicate.
6457 (doloop_end, doloop_end_internal): New.
6459 2000-07-30 Richard Henderson <rth@cygnus.com>
6461 * genattrtab.c (struct insn_def): Add lineno member.
6462 (struct insn_ent): Likewise.
6463 (struct attr_desc): Likewise.
6464 (struct delay_desc): Likewise.
6465 (struct function_unit_op): Likewise.
6466 (struct function_unit): Likewise.
6467 (check_attr_value): Use message_with_line.
6468 (check_defs): Likewise.
6469 (expand_units): Likewise.
6470 (check_attr_test): Take a lineno argument.
6471 (gen_attr): Likewise.
6472 (gen_insn): Likewise.
6473 (gen_delay): Likewise.
6474 (gen_unit): Likewise.
6475 (main): Give it to them.
6476 (convert_set_attr_alternative): Take an insn_def argument
6477 instead of num_alt and insn_index.
6478 (convert_set_attr): Likewise.
6479 (write_test_expr): Protect INSN_ADDRESSES load
6480 with INSN_ADDRESSES_SET_P.
6482 2000-07-30 Richard Henderson <rth@cygnus.com>
6484 * flow.c (init_propagate_block_info): Use pc_set.
6486 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
6488 * i386.md (*lea_general_[123]) New insns and splits.
6489 (addsi3 to lea splitter): Handle other modes too.
6490 (shlsi3 to lea splitter): Likewise.
6491 (addhi_1_lea, shlhi_1_lea): New patterns.
6492 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
6494 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
6496 * recog.c (general_operand, nonimmediate_operand): Accept
6497 any mode for VOIDmode CONSTANT_P operands.
6499 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
6501 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
6502 instead of replace_rtx.
6503 * recog.c (validate_replace_rtx_subexp): New function.
6504 * recog.h (validate_replace_rtx_subexp): Declare.
6506 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
6508 * combine.c (simplify_set, make_extraction, make_compound_operation
6509 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
6510 as force_to_mode argument.
6512 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
6514 * combine.c (if_then_else_cond): Be sure that mode fits in
6517 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
6519 * combine.c (record_promoted_value): Allow bitsize of mode
6520 to be equivalent to HOST_BITS_PER_WISE_INT.
6522 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
6524 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
6525 Do not call gen_mode_alignment when mode is BLKmode.
6527 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
6529 * loop.c (express_from_1): Fix call of simplify_gen_binary.
6531 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
6533 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
6534 VOIDmode implies both operands to be VOIDmode.
6535 (simplify_ternary_operation): Compute properly the mode of comparison.
6536 * combine.c (combine_simplify_rtx): Likewise.
6538 2000-07-25 Michael Hayes <mph@paradise.net.nz>
6540 * basic-block.h (struct loops): New field rc_order.
6541 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
6542 (flow_loops_free): Free rc_order.
6543 (flow_depth_first_order_compute): New parameter rc_order.
6544 (flow_loops_find): Allocate rc_order and swap usage with
6547 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6548 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6550 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
6551 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
6552 (nodb_call, return_from_epilogue): Likewise.
6553 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
6554 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
6555 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
6556 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
6557 (c4x_valid_type_attribute_p): Likewise.
6558 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
6559 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
6561 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6563 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
6564 and loadhi_big_constant if applicable.
6565 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
6566 and add new splitter.s
6568 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6570 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
6572 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6574 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
6576 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6578 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
6580 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6582 * config/c4x/libgcc.S (divqf3): Improve accuracy.
6584 2000-07-27 Mark Mitchell <mark@codesourcery.com>
6586 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
6587 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
6588 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
6589 (get_prev_bb_note): Likewise.
6590 (remove_scope_notes): Likewise.
6591 * flow.c (commit_one_edge_insertion): Likewise.
6592 (merge_blocks_nomove): Likewise.
6593 (verify_flow_info): Likewise.
6594 * gcse.c (insert_insn_end_bb): Likewise.
6595 * reg-stack.c (emit_swap_insn): Likewise.
6596 * ssa.c (first_insn_after_basic_block_note): New function.
6597 (insert_phi_node): Use it.
6598 (rename_block): Likewise.
6599 (eliminate_phi): Likewise.
6600 (make_regs_equivalent_over_bad_edges): Likewise.
6601 (make_equivalent_phi_alternatives_equivalent): Likewise.
6602 (for_each_successor_phi): Likewise.
6603 (convert_from_ssa): Modify phi-node deletion algorithm.
6605 2000-07-29 Andreas Jaeger <aj@suse.de>
6607 * configure.in (mips*-*-linux*): Use mips*el to check for little
6608 endian MIPS, add tmake_file.
6610 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
6611 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
6612 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
6614 2000-07-28 Richard Henderson <rth@cygnus.com>
6616 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
6617 Sign extend mode size before negating.
6619 2000-07-28 Richard Henderson <rth@cygnus.com>
6621 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
6623 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
6625 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
6626 (cse_insn): Likewise.
6627 (addr_affects_sp_p): Likewise.
6628 * expr.c (move_by_pieces): Likewise.
6629 (clear_by_pieces): Likewise.
6630 * gcse.c (oprs_unchanged_p): Likewise.
6631 * haifa-sched.c (sched_analyze_2): Likewise.
6632 * recog.c (offsettable_address_p): Likewise.
6633 * regclass.c (record_address_regs): Likewise.
6634 * reload.c (find_reusable_reload): Likewise.
6635 (push_reload): Likewise.
6636 (operands_match_p): Likewise.
6637 (decompose): Likewise.
6638 (find_reloads_address_1): Likewise.
6639 (find_inc_amount): Likewise.
6640 * reload1.c (elimination_effects): Likewise.
6641 * resource.c (mark_set_resources): Likewise.
6642 * flow.c (attempt_auto_inc): New function; mostly broken out
6644 (find_auto_inc): Split into two functions and enhanced to
6645 generate POST_MODIFY.
6646 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
6647 * rtl.h (count_all_occurrences): Declare.
6648 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
6650 * rtlanal.c (count_all_occurrences): New function.
6651 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
6652 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
6654 * config/ia64/ia64-protos.h (destination_operand): Declare.
6655 * config/ia64/ia64.c (destination_operand): New function.
6656 (ia64_print_operand): Handle POST_MODIFY.
6657 (rtx_needs_barrier): Likewise.
6658 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
6659 (HAVE_POST_MODIFY_REG): Define to 1.
6660 (MAX_REGS_PER_ADDRESS): Change to 2.
6661 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
6662 (LEGITIMATE_ADDRESS_REG): New helper macro.
6663 (LEGITIMATE_ADDRESS_DISP): Likewise.
6664 (PREDICATE_CODES): Add entry for destination_operand.
6665 * config/ia64/ia64.md (all mov patterns): Use destination_operand
6666 predicate for operand 0.
6668 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6670 * dwarf2out.c: Indent #error directive.
6672 * gbl-ctors.h: Fix typo in comment.
6673 (__do_global_ctors): Prototype.
6675 * gcse.c (record_one_set, pre_delete): Remove unused variables.
6677 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
6678 (print_operand): Initialize variable `t'.
6680 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
6682 * config/arm/arm.md ("call_value"): removed constraints.
6683 Constraints are ignored in expanders.
6684 (*call_value_reg): split =rf into various constraints.
6685 (*call_value_mem): same
6686 (*call_value_symbol): same
6687 (*sibcall_value_insn): same
6689 2000-07-28 Philipp Thomas <pthomas@suse.de>
6691 * install.texi (--enable-nls): Change the description of the NLS
6692 related configure options to match the current state.
6693 (--with-included-gettext): Likewise.
6694 (--enable-maintainer-mode): New description added.
6695 * extend.texi (-fstrict-prototype): Add missing '.'.
6697 2000-07-27 Jim Wilson <wilson@cygnus.com>
6699 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
6700 DECL_INITIAL (decl) == NULL_TREE.
6702 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
6704 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
6705 on insn-attr.h with it.
6706 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
6707 * insn-addr.h: New header.
6708 (insn_addresses_): Renamed from insn_addresses.
6709 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
6710 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
6711 INSN_ADDRESSES_NEW): New macros.
6712 * genattrtab.c (write_test_expr): Use new macros.
6713 * final.c (insn_addresses, init_insn_lengths): Likewise.
6714 (align_fuzz, shorten_branches): Likewise.
6715 (final): Likewise. Do not reject new insns if their addresses
6716 have been added to INSN_ADDRESSES.
6717 * config/arm/arm.c, config/avr/avr.c: Use new macros.
6718 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
6719 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
6720 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
6721 * config/sh/sh.c: Likewise.
6722 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
6724 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
6726 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
6728 * gcc.c (struct prefix_list): Add member priority.
6729 (enum path_prefix_priority): Declare.
6730 (add_prefix): Replace ``first'' with ``priority''. Append new
6731 entry but keep list in priority order.
6732 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
6733 PREFIX_PRIORITY_LAST to add_prefix.
6734 (process_command): Move include kludge - foo/stageN - to before
6737 2000-07-27 Jason Merrill <jason@redhat.com>
6739 * dwarf2out.c (gen_typedef_die): Abort if we get identical
6740 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
6742 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
6744 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
6745 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
6747 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
6749 * c-decl.c (finish_function): Don't treat 'main' specially unless
6750 flag_hosted. In C99 mode, return 0 from 'main' unless
6751 DEFAULT_MAIN_RETURN is otherwise defined.
6753 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
6754 parameters defaulting to int in an old-style function definition.
6756 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6758 * c-parse.in (string): For -Wtraditional, warn about string
6759 concatenation only once per line.
6761 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
6763 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
6764 for HI-UX/WE2 systems.
6766 2000-07-24 Bruce Korb <bkorb@gnu.org>
6768 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
6769 defining the __xxx_TYPE__ macros.
6770 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
6771 * fixincl/fixlib.h: don't need to include "tm.h" anymore
6772 * fixincl/inclhack.def(type_map): now obsolete
6774 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
6776 * cpp.texi: Append a trailing full-stop to xrefs where needed.
6778 2000-07-26 Dave Pitts <dpitts@cozx.com>
6780 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
6782 (mvs_hash_alias): New function.
6783 (mvs_add_alias): Change argument spacing.
6784 (mvs_need_alias): Change aliasing criteria. Added documentation.
6785 (mvs_get_alias): Change to use hashed name. The hashed name prevents
6786 CSECT name collisions.
6787 (mvs_check_alias): Likewise.
6788 (handle_pragma): Change documentation.
6789 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
6790 mode from SImode to DImode.
6791 (iorhi3): Changed LTORG size for insn.
6793 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
6795 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
6796 mem if the address is a mode_dependent_address_p.
6798 2000-07-26 Kazu Hirata <kazu@hxi.com>
6800 * h8300.c (print_operand): Print ":8" when the 'R' operand is
6801 suitable for 8-bit absolute.
6802 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
6803 (OK_FOR_U): Add a case for the 8-bit constant address on the
6806 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
6808 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
6809 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
6810 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
6811 lack of implemented alignment.
6813 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
6815 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
6816 cross-compiling between 64-bit and 32-bit machines.
6818 2000-07-27 Richard Henderson <rth@cygnus.com>
6820 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
6821 (movhicc_astep, movhi_internal_astep): New.
6822 (movsicc_astep, movsi_internal_astep): New.
6823 (movdicc_astep, movdi_internal_astep): New.
6824 (movsfcc_astep, movsf_internal_astep): New.
6825 (movdfcc_astep, movdf_internal_astep): New.
6826 (movxfcc_astep, movxf_internal_astep): New.
6827 (cmovdi_internal_astep, cmovsi_internal_astep): New.
6828 Unify the cmov[ds]i splitters.
6830 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
6832 * real.c (asctoeg): Rename `error' label to unexpected_char_error
6834 2000-07-26 Nick Clifton <nickc@cygnus.com>
6836 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
6837 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
6839 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
6840 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
6842 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
6844 * c-decl.c (finish_enum): Convert enumerations that fit in an
6846 (build_enumerator): In pedantic mode, cast to `int' those that
6849 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
6851 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
6853 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6855 * sh.md (cmpgtdi_t): Must be split.
6856 (cmpgtdi_t+1): New splitter.
6858 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
6860 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
6861 warnings for indented directives even if we are skipping.
6863 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
6865 * invoke.texi (strict-prototypes): Remove.
6866 * extend.texi (Deprecated Features): Add strict-prototypes.
6867 (Backwards Compatibility): New node.
6869 2000-07-25 Jakub Jelinek <jakub@redhat.com>
6871 * config/i386/i386.md (andsi_1+1): Allow HImode.
6872 (andsi_1+2): Require q_regs_operand.
6874 2000-07-25 Jakub Jelinek <jakub@redhat.com>
6876 * config/i386/i386.md (call_pop): Check operands[0],
6877 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
6879 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
6880 (call_value): Likewise.
6882 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
6884 * toplev.c (pipe_closed): Delete.
6885 (crash_signal): New. Generate ICE for a fatal signal.
6886 (float_signal): Call crash_signal outside a float-handler
6888 (main): Install crash_signal as handler for core-dumping signals.
6890 2000-07-25 David Edelsohn <edelsohn@gnu.org>
6892 * rs6000.c (print_operand, case 'T'): New case.
6894 * rs6000.md (call_indirect_aix32): Convert to expander of
6895 scheduled instructions.
6896 (call_indirect_aix64): Likewise.
6897 (call_value_indirect_aix{32,64}): Likewise.
6898 (call, call_value): Invoke expanders for AIX. Fall through to
6900 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
6901 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
6902 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
6903 only "g" constraint.
6904 (call_nonlocal_aix64): Likewise.
6905 (call_value_nonlocal_aix{32,64}): Likewise.
6906 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
6908 (call_value_nonlocal_sysv): New pattern.
6909 (indirect_jump{si,di}): Use new 'T' modifier.
6910 (tablejump{si,di} matchers): Likewise.
6911 (return_internal_{si,di}): Likewise.
6912 (return_eh_{si,di}): Likewise.
6914 2000-07-24 Richard Henderson <rth@cygnus.com>
6916 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
6917 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
6918 * config/ia64/ia64.md (movdi_internal): Use it.
6920 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
6922 * cppexp.c: Warn about unary + if -Wtraditional.
6923 * cpplex.c (lex_line): Always set BOL on the first token of a line.
6925 2000-07-24 Michael Meissner <meissner@redhat.com>
6927 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
6930 2000-07-24 Nick Clifton <nickc@cygnus.com>
6932 * config/arm/arm.c (emit_multi_reg_push): Generate a
6933 REG_FRAME_RELEATED_NOTE that is compatable with the code in
6934 dwarf2out_debug_frame_expr.
6936 2000-07-24 Jason Merrill <jason@redhat.com>
6938 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
6939 UNALIGNED_INT_ASM_OP.
6940 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
6941 a location expression.
6942 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
6943 assume indirect access if we're saving the CFA address exactly.
6945 * Makefile.in (bootstrap): Move -BstageN/ to the end.
6947 2000-07-24 Jakub Jelinek <jakub@redhat.com>
6949 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
6952 2000-07-24 Michael Meissner <meissner@redhat.com>
6954 * invoke.texi (D30V Options): Add d30v options.
6956 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
6958 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
6959 needed by our gcse pass anymore.
6960 (free_pre_mem): Corresponding changes.
6961 (compute_pre_data): Do not call compute_transpout anymore.
6963 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
6964 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
6967 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
6968 (compute_pre_data): Do it here instead.
6970 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
6972 (pre_delete): Corresponding changes.
6974 2000-07-23 Mark Mitchell <mark@codesourcery.com>
6976 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
6977 to figure out whether or not a variable has already been emitted.
6979 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
6981 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
6982 instead of gen_call.
6984 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
6986 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
6988 2000-07-23 Kazu Hirata <kazu@hxi.com>
6990 * h8300.c: Fix formatting.
6992 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
6994 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
6995 for `long' switch expression into a plain warning.
6997 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
6998 (yylex): Don't pedwarn for "inline" in C99 mode.
7000 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
7002 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
7003 ggc_alloc): Likewise.
7004 * bb-reorder.c (dump_scope_forest_1): Likewise.
7006 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
7008 * reload.c (find_reloads_toplev): Add new parameter
7010 (find_reloads): Add new parameter to find_reloads_toplev calls.
7012 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
7014 * collect2.c (main): Typo fixed.
7015 * diagnostic.c: Typo fixed.
7016 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
7017 * eh-common.h: Typo fixed.
7018 * emit-rtl.c (start_sequence): Typo fixed.
7019 * flow.c (find_label_refs): Typo fixed.
7020 (calculate_global_regs_live): Typo fixed.
7021 (mark_regno_cond_dead): Typo fixed.
7022 (create_edge_list): Typos fixed.
7023 (verify_edge_list): Typo fixed.
7024 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
7025 * loop.c (strength_reduce): Typo in function name fixed.
7026 * rtl.h: Added comments. Typo in function name fixed.
7027 * rtlanal.c: Typo in function name fixed.
7028 (insn_dependant_p): Rename to ...
7029 (insn_dependent_p): ... this.
7030 (computed_jumo_p): Typo fixed.
7032 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7034 * system.h (__FUNCTION__): Wrap definition in #ifndef.
7036 2000-07-21 David Edelsohn <edelsohn@gnu.org>
7038 * rs6000.h (SIZE_TYPE): Define.
7040 2000-07-21 Mark Mitchell <mark@codesourcery.com>
7042 * ssa.c (rename_insn_1): Don't rename registers that are
7045 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
7047 * diagnostic.c (trim_filename, fancy_abort): Moved here from
7049 (fatal_function, set_fatal_function): Removed.
7050 (fatal): Don't prepare for or call the fatal_function.
7051 (diagnostic_lock, error_recursion): New.
7052 (diagnostic_for_decl, report_diagnostic): Guard against
7053 re-entering the error reporting routines.
7054 (fancy_abort): Assume function is not NULL.
7056 * errors.c (fancy_abort): New. Assume function is not NULL.
7057 * tradcpp.c (fancy_abort): Assume function is not NULL.
7059 * system.h: Provide default definition of __FUNCTION__.
7060 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
7061 Always use __FUNCTION__ in definition of abort.
7063 * varray.h: Likewise.
7064 * toplev.h: Likewise. Don't prototype set_fatal_function.
7066 2000-07-20 Geoff Keating <geoffk@cygnus.com>
7068 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
7070 * glimits.h: Don't do #if defined for ARCH_PPC.
7072 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
7073 constants of size no larger than a pointer should go in the TOC.
7074 Add 'MODE' parameter.
7075 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
7076 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
7077 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
7078 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
7079 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
7080 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
7081 (rs6000_legitimize_address): Likewise.
7082 (rs6000_emit_move): Likewise.
7083 (rs6000_select_rtx_section): Likewise.
7084 (output_toc): Deal properly with outputting small constants like
7085 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
7086 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
7087 MODE parameter. Put small constants in the TOC.
7089 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
7091 (rs6000_emit_move): When reload calls us with an illegitimate
7092 address, exit early. Move the change_address calls to one place
7093 at the end of the routine. Merge the SImode and DImode expanders.
7094 When called by reload to put an integer into a FP register, force
7097 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
7099 (rs6000_hash_constant): Hash mode too.
7100 (toc_hash_function): Allow for key_mode.
7101 (toc_hash_eq): Structures are different if key_mode differs.
7102 (output_toc): Add 'mode' parameter. Save key_mode.
7103 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
7104 Pass 'mode' parameter.
7105 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
7107 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
7108 for vtable references.
7110 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
7111 choice, don't put integer values in FP regs.
7113 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
7115 * flow.c (verify_flow_info): Revamp code to verify that the
7116 head and end of each basic block are in the insn chain.
7118 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
7120 * gcse.c (record_one_set): Prepend instead of append onto
7121 reg_set_table, making it O(n) instead O(n^2).
7122 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
7123 Use a queue instead of a stack as worklist.
7125 2000-07-20 Kazu Hirata <kazu@hxi.com>
7127 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
7128 * h8300.h (OK_FOR_T): New.
7129 (EXTRA_CONSTRAINT): Support OK_FOR_T.
7130 * h8300.md: Use inc/dec.[wl] for increment/decrement
7131 by 1 and 2 in HI and SI modes.
7133 2000-07-20 Jim Wilson <wilson@cygnus.com>
7135 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
7136 larger than 14 bits.
7138 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
7140 * cppmacro.c (CAN_PASTE_AFTER): New macro.
7141 (count_params): Don't set GNU_REST_ARGS on anything.
7142 (save_expansion): Set PASTE_LEFT only on tokens for which
7143 CAN_PASTE_AFTER is true, or which are named operators.
7145 * cpplex.c (parse_args): Distinguish between a rest argument
7146 given one empty argument, and a rest argument given zero arguments.
7147 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
7148 deletion of previous token based on that.
7149 (get_raw_token): Flatten some control structure.
7151 * cpplib.h (CPP_LAST_EQ): Correct.
7152 (VOID_REST): New token flag.
7153 (GNU_REST_ARGS): Delete.
7155 * tradcpp.c (main): Don't munge -D options.
7156 (make_definition): Bring -D handling in line with cpplib.
7157 (do_define): Strip all leading whitespace from macro definitions.
7159 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
7161 * Makefile.in (tradcpp): Depend on intl.o and version.o.
7163 2000-07-20 Bruce Korb <bkorb@gnu.org>
7165 * fixincl/check.tpl: strip the platform specific types before testing
7166 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
7167 * fixincl/fixincl.tpl: use platform specific types
7168 * fixincl/fixlib.h: include the platform specific types
7169 * fixincl/inclhack.def(gnu_types): don't supply the types
7170 * fixincl/fixincl.x: regen
7172 2000-07-19 Jim Wilson <wilson@cygnus.com>
7174 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
7177 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
7179 * tradcpp.c (rescan): Do not recognize directives when the #
7182 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
7184 Implement C++ named operators.
7186 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
7187 of operators allowed in #if and having an _EQ variant. Add
7188 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
7189 (cpp_token flags): Add NAMED_OP.
7190 (enum node_type): Add T_OPERATOR.
7191 (struct cpp_hashnode): Add code slot to value union.
7192 * cpphash.h (spec_nodes): Remove n_defined.
7194 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
7195 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
7196 (is_macro_disabled): Tweak error messages.
7198 * cpplib.c (get_define_node): Disallow all named operators as
7199 macro names. Tweak error messages.
7200 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
7202 * cppinit.c (builtin_array): Add entries for the named operators.
7203 * cppexp.c (lex): Check for CPP_DEFINED token.
7204 (priority table): Add entries for CPP_MIN and CPP_MAX.
7205 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
7207 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
7209 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
7210 larger than the array of cuids.
7211 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
7214 2000-07-19 Bruce Korb <bkorb@gnu.org>
7216 * fixinc/fixincl.c: Convert to using a table of environment variables
7217 and activate the auto-edit marker on the fixed output files.
7218 * fixinc/fixlib.h: Define the environment table
7219 * fixinc/fixincl.sh: export the ${INPUT} dir
7220 * fixinc/check.tpl: likewise
7222 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
7224 * gcc.c (.h spec): Fix typo.
7226 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
7228 * Makefile.in: Fix tradcif.c path.
7230 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
7232 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
7235 * cpphash.h (TOKEN_NAME): New macro.
7236 (_cpp_spell_operator): Deleted.
7237 (token_spellings): Now _cpp_token_spellings.
7239 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
7240 * cpplex.c: Use OP and TK macros when expanding the
7241 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
7242 store the stringification of the enumeration name (CPP_CHAR,
7243 etc.) in the name slot of token_spellings.
7244 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
7245 token_spellings directly.
7246 * cpplib.c: Use TOKEN_SPELL.
7248 * cpplex.c (_cpp_push_token): If the token being pushed back
7249 is the previous token in this context, just subtract one from
7251 * cppmacro.c (save_expansion): Clear aux field when storing a
7254 2000-07-18 Jakub Jelinek <jakub@redhat.com>
7256 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
7257 buffer, provided it is not NULL.
7259 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
7261 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
7262 case of invalid volatile re-declaration.
7264 2000-07-18 Jakub Jelinek <jakub@redhat.com>
7266 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
7267 (expand_call): Adjust caller.
7269 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
7271 * diagnostic.h (report_diagnostic): Change prototype.
7273 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
7274 diagnostic_for_decl): Change prototype.
7275 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
7276 error, warning, error_with_file_and_line,
7277 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
7278 Adjust call to report_diagnostic, diagnostic_for_decl.
7279 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
7280 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
7282 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
7283 varaible argument list.
7285 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
7287 * cpphash.c: Don't include hashtab.h. Most macro-handling code
7288 moved to cppmacro.c.
7289 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
7290 dump_hash_helper): Delete.
7291 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
7292 cpp_forall_identifiers): New. Implement specialized version of
7293 Vlad's expandable hash table.
7294 (cpp_lookup): Use new functions.
7295 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
7297 * cppmacro.c: New file.
7298 * cppinit.c (dump_macros_helper): New.
7299 (cpp_finish): Iterate over the identifier table directly.
7300 * cpplex.c (parse_name): Calculate the hash of the identifier
7301 while we scan it. Use _cpp_lookup_with_hash when we can.
7303 * cpphash.h: Update prototypes.
7304 (xcnewvec, HASHSTEP): New helper macros.
7305 * cpplib.h: Update prototypes.
7306 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
7307 (cppmacro.o): New rule.
7308 (cpphash.o): Update deps.
7310 * cppmain.c: Do not set pfile->printer if no_output is on.
7312 2000-07-15 Neil Booth <neilb@earthling.net>
7314 * cpplib.c: Change all directive-handler functions to return
7316 * cpphash.h: Update typedefs.
7318 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
7320 * configure: Regenerate.
7322 * extend.texi (Extended Asm): Mention that a memory clobber
7323 does not count as a side-effect.
7325 * unroll.c (copy_loop_body): Fix one instance of using host
7326 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
7329 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
7331 2000-07-17 Richard Henderson <rth@cygnus.com>
7333 * config/ia64/ia64.md (movdi): Split out load address code.
7334 New post-reload splitter for symbolic operands.
7335 (movdi_internal): Abort if we didn't split symbolic operands
7336 when we should have.
7337 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
7338 (ia64_reorg): Split insns when not optimizing.
7339 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
7341 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
7343 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
7344 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
7346 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
7348 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
7350 2000-07-17 Jason Merrill <jason@redhat.com>
7352 * Makefile.in (clean): Remove libgcc directory.
7354 * configure.in (-Wno-long-long check): Use higher-level macros.
7356 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
7358 * simplify-rtx.c (simplify_binary_operation): Recognize
7359 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
7360 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
7361 a CONST_INT, it will always be zero.
7363 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
7365 * loop.c (check_dbra_loop) : Return if more than one condition is
7366 present to control the loop.
7368 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
7370 * mips.c (mips_expand_prologue): Don't calculate the last argument
7371 register unless we need it. When we are calculating this, make
7372 sure FUNCTION_ARG is giving us a REG.
7374 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7376 * flow.c (libcall_dead_p): Use single_set to verify the insn
7377 has only one set and get for analysis.
7378 (propagate_one_insn): Don't pass the PATTERN of the insn.
7380 2000-07-17 Mark Klein <mklein@dis.com>
7382 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
7384 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7386 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
7387 * configure.in (TARGET_GETGROUPS_T): Evaluate.
7388 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
7389 of second argument of getgroups.
7390 * configure, config.in: Rebuilt.
7392 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
7394 * simplify-rtx.c (simplify_relational_operation): Two signed
7395 values with equal high words are less/greater than each other if
7396 their low words are less/greater when considered as unsigned.
7398 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
7400 * configure.in (vax-*-openbsd): Change to new style configuration,
7401 add collect2/float_format information.
7402 * configure: Rebuilt.
7403 * config/vax/openbsd1.h: New.
7404 * config/vax/openbsd.h: New.
7405 * config/vax/t-openbsd: New.
7407 2000-07-17 Chip Salzenberg <chip@valinux.com>
7409 * c-common.c (shorten_compare): Quiet warnings about unsigned
7410 comparisons with zero when they occur in a system header.
7412 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
7414 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
7415 update to describe current practice.
7417 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
7419 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
7420 references to C9X. Change references to -fstd and -flang-isoc9x
7423 * c-common.c (scan_char_table): Allow "z" length modifiers on
7425 (check_format_info): Use TYPE_DOMAIN on the type matched against
7426 for "z" formats, to retrieve the language size_t rather than the
7429 * c-common.c (check_format_info): Do not make a pedantic objection
7430 to the 'L' length modifier if used with a floating point type
7433 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
7434 constants in C99 mode.
7436 2000-07-17 Kazu Hirata <kazu@hxi.com>
7438 * h8300.md: Fix the format of mac.
7439 (movsi_h8300hs): Output a tab after stmac instead of a space.
7441 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
7442 profitable adds/subs sequences.
7444 * fold-const.c: Fix comment typos.
7446 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
7448 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
7450 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7452 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
7454 2000-07-16 Neil Booth <NeilB@earthling.net>
7456 * cpplex.c: Update comments.
7457 * README.Portability: Small update.
7459 2000-07-16 Neil Booth <NeilB@earthling.net>
7461 * README.Portability: Small update.
7463 2000-07-15 Richard Henderson <rth@cygnus.com>
7465 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
7466 * config/ia64/ia64.c (ia64_move_ok): New function.
7467 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
7468 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
7470 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
7472 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
7473 immediately following a paste operator.
7474 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
7475 (cpp_reader_init): Call it, if HOST_EBCDIC.
7476 (cpp_handle_options): Do not sort option list here.
7477 (handle_option): Rename to cpp_handle_option and export.
7478 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
7479 _cpp_get_token directly.
7480 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
7481 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
7482 * cpplib.h: Prototype cpp_handle_option. Update prototype of
7485 2000-07-15 Richard Henderson <rth@cygnus.com>
7487 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
7488 cast around an expression. Tidy other unsigned tests.
7490 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
7492 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
7493 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
7494 (v_message_with_decl): Rename to ...
7495 (format_with_decl): ... this. Tweak
7496 (diagnostic_for_decl): New function.
7497 (fatal_io_error): Use verbatim in lieu of notice.
7498 (announce_function): Use verbatim.
7499 (default_print_error_function): Likewise.
7500 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
7503 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7505 * mips.c (function_arg_pass_by_reference): Don't do automatic
7506 aggregate initialization.
7507 (machine_dependent_reorg): Initialize variable `mode'.
7509 * mips.md (absdi2): Change variable `regno1' to unsigned int.
7510 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
7511 conflicts with sys/param.h macro of the same name.
7512 (reload_outdi): Likewise.
7514 2000-07-15 Michael Meissner <meissner@redhat.com>
7516 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
7517 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
7518 create a new node instead.
7520 2000-07-15 Neil Booth <NeilB@earthling.net>
7522 * README.Portability: Correct example about calling a function
7523 through a pointer to function. Format wide paragraphs.
7525 2000-07-15 Michael Meissner <meissner@redhat.com>
7527 * README.Portability: Update integer suffixes and function
7530 2000-07-15 Neil Booth <NeilB@earthling.net>
7532 * README.Portability: Small update.
7534 2000-07-15 Neil Booth <NeilB@earthling.net>
7536 * README.Portability: New file.
7538 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
7540 * INSTALL: Give special instructions for building GCC on Irix 6.
7541 * config/mips/x-iris6 (CC): Don't set it.
7544 2000-07-14 Jason Merrill <jason@redhat.com>
7546 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
7547 register in the stack and later in another register, use the new
7550 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
7552 * config/mips/mips.md: (absdi2): Handle sign_extend for
7555 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
7557 * cpplib.c (do_pragma_dependency): Tidy warning messages.
7559 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
7561 * .cvsignore: Correct typo.
7563 2000-07-13 Mark Mitchell <mark@codesourcery.com>
7565 * .cvsignore: Add generated YACC files.
7566 * objc/.cvsignore: New file.
7568 2000-07-14 Neil Booth <NeilB@earthling.net>
7570 * cpplex.c (adjust_column): New funcion.
7571 (skip_whitespace): Use it.
7572 (skip_block_comment): Use it, and warn about /*/* with
7575 2000-07-14 Neil Booth <NeilB@earthling.net>
7577 * cpphash.c (struct macro_info): Add new members.
7578 (_cpp_free_definition): Delete the macro directly.
7579 (count_params): Return void, with first token of
7580 expansion in struct macro_info on success.
7581 (parse_define): Return int. Hoist syntax checking from
7582 save_macro_expansion. Leave call to save_expansion to
7583 _cpp_create_definition.
7584 (alloc_macro): Needs just 2 arguments.
7585 (free_macro): Delete.
7586 (save_expansion): Don't perform syntax check.
7587 (_cpp_create_definition): Call save_expansion.
7589 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7591 * genrecog.c (write_header): Split long string.
7593 * cpphash.c (macro_info): Don't use the `signed' keyword.
7595 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
7597 2000-07-13 Jakub Jelinek <jakub@redhat.com>
7599 * calls.c (stored_args_map): New variable.
7600 (check_sibcall_argument_overlap_1): New.
7601 (check_sibcall_argument_overlap): New.
7602 (expand_call): Initialize stored_args_map.
7603 Call check_sibcall_argument_overlap.
7605 2000-07-13 Bruce Korb <bkorb@gnu.org>
7607 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
7608 (emit_gnu_type): utility procedure for gnu_type_fix
7609 (gnu_type_fix): implement various pre-processor guards around
7610 standard types so these types can be defined over and over
7611 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
7612 types alluded to above will have GNU-compliant base types
7613 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
7614 * fixinc/inclhack.def: add test_text entries and utilize the new
7615 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
7616 * fixinc/fixincl.x: regenerate
7618 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7620 * diagnostic.c (vline_wrapper_message_with_location,
7621 v_message_with_file_and_line, v_error_with_file_and_file,
7622 v_error_for_asm, v_warning_for_asm, vfatal,
7623 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
7624 vsorry, verror, vwarning, vpedwarn): Remove.
7625 (diagnostic_for_asm): New function.
7626 (pedwarn, error, warning, pedwarn_with_file_and_line,
7627 error_with_file_and_line, warning_with_file_and_line, sorry,
7628 error_for_asm, warning_for_asm, fatal): Reimplement.
7629 (finish_diagnostic): Clear diagnostic info as well.
7631 2000-07-13 Neil Booth <NeilB@earthling.net>
7633 * c-common.h (flag_digraphs): New.
7634 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
7635 * c-lex.c (yylex): Use flag_digraphs to decide whether to
7638 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
7640 * gcc.c (do_spec_1): Add new %B operator.
7641 (set_input): Prepare for %B.
7643 (link_command_spec): Move up with the other tm.h-
7644 overrideable specs. Factor out the portion conditional on
7645 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
7646 (struct compiler): Just have a single spec string. All users
7648 (default_compilers): Remove unnecessary braces.
7649 (static_specs): Update.
7651 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
7653 (C and assembly specs): Use the new named specs, as appropriate.
7655 * objc/lang-specs.h: Use the new named specs.
7656 Remove unnecessary braces.
7658 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
7660 * gcc.c (execute): If a subprocess gets a fatal signal, report
7661 strsignal() of the signal number, and ask for a bug report.
7662 Do not do this for SIGPIPE if there's already been an error.
7664 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
7667 * tradcif.c: Remove.
7669 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
7671 * final.c (profile_function): Do not emit profile counters in
7672 the data section, if NO_PROFILE_COUNTERS is defined.
7673 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
7676 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
7677 (FUNCTION_PROFILER): Just emit a call to mcount.
7679 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
7681 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
7683 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
7684 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
7685 traditional, lang_chill, or lang_fortran.
7687 * cppfiles.c: #undef strcmp to suppress warning about macros
7688 used without arguments.
7689 (_cpp_execute_include): Use f, not fname, in "No include path"
7691 (_cpp_pop_file_buffer): New function.
7692 * cpplib.c: Don't include <sys/mman.h>.
7693 (cpp_push_buffer): Set line_base and lineno in new buffer.
7694 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
7696 * cpplex.c: Move all prototypes and structure declarations to the
7697 top of the file. Properly parenthesise some macro arguments.
7698 (cpp_scan_line): New function.
7699 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
7700 don't need to walk up the stack counting.
7702 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7704 * c-common.c (combine_strings): Emit a pedantic warning when a
7705 string length is greater than the minimum ANSI C is required
7708 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
7710 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
7711 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
7713 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7715 * c-decl.c (define_label): Warn about identifier conflicts with
7716 labels in traditional C.
7718 * c-parse.in (unop +): Warn about the unary plus operator for
7721 * c-typeck.c (store_init_value): Warn about automatic aggregate
7722 initialization for traditional C.
7724 * invoke.texi (-Wtraditional): Document new warnings.
7726 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
7728 * Makefile.in (c-errors.o): Fix thinko in dependency.
7730 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
7732 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
7733 -traditional, -ftraditional, or -traditional-cpp was given.
7734 Do not pass -traditional to the preprocessor.
7735 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
7736 preprocessor does it automatically.
7737 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
7739 * ch/lang-specs.h: Always use tradcpp. Do not pass
7740 -traditional, -trigraphs, or -pedantic to the preprocessor.
7741 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
7744 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
7746 * cppexp.c (LOGICAL): Delete macro.
7747 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
7750 * cpphash.c (HASHSIZE): Increase to 4096.
7751 (struct hashdummy): Add hash field.
7752 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
7753 the string values using memcmp.
7754 (cpp_lookup): Set dummy.hash.
7756 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
7758 * configure.in (m88k-openbsd): Express configuration using new fragment
7760 * configure: Rebuilt.
7761 * m88k/aout-dbx.h: New.
7762 * m88k/openbsd.h: New.
7763 * m88k/xm-openbsd.h: New.
7765 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7767 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
7769 2000-07-12 Richard Henderson <rth@cygnus.com>
7771 * reload.c (push_secondary_reload): Make sure to add the new
7772 reload at the end, after acquiring secondary memory.
7774 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7776 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
7778 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
7779 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
7781 * c-parse.in (stmt): Delete unused variables.
7783 * convert.c (convert_to_vector): Likewise.
7785 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
7787 * tree.c (finish_vector_type): Prototype.
7789 2000-07-12 Bruce Korb <bkorb@gnu.org>
7791 * fixinc/fixfixes.c: use xmalloc
7792 * fixinc/fixincl.c(initialize): set program name for xmalloc
7793 * fixinc/fixlib.c(must_malloc): obsolete
7794 (is_cxx_header): no longer used - disabled
7795 (skip_quote): inserted and disabled for future use
7796 * fixinc/fixlib.h: reflects above
7797 * fixinc/fixtests.c: removed dinkleberries
7799 2000-07-12 Neil Booth <NeilB@earthling.net>
7801 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
7802 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
7804 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
7805 struct toklist_dummy): New.
7806 (cpp_free_definition): Free macros with free_macro.
7807 (count_params): Don't save paramter spellings. Save macro
7808 information in a struct macro_info.
7809 (parse_define): Don't allocate a token list.
7810 (save_expansion): Allocate the macro's token list, and
7811 save parameter spellings if necessary. Use TOKEN_SPELL.
7812 (cpp_create_definition): Make list const.
7814 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
7816 * c-typeck.c (pedwarn_c99): Move to
7817 * c-errors.c: ... Here.
7818 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
7819 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
7820 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
7821 (c-errors.o): List dependency.
7823 2000-07-12 Mark Mitchell <mark@codesourcery.com>
7825 * c-parse.c: Remove.
7826 * c-parse.h: Likewise.
7827 * c-parse.y: Likewise.
7828 * objc/objc-parse.c: Likewise.
7829 * objc/objc-pasre.y: Likewise.
7831 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
7833 * gcc.texi: Fix minor typos
7834 * extend.texi: Fix minor typos
7836 2000-07-11 Marc Espie <espie@openbsd.org>
7838 * collect2.c (main): Recognize .lo as object files.
7840 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
7842 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
7845 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
7846 with MAP_ANONYMOUS and MAP_ANON.
7847 * configure, config.in: Rebuilt.
7849 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
7851 * diagnostic.c (save_output_state): Remove.
7852 (restore_output_state): Likewise.
7853 (clear_text_info): New function.
7854 (clear_diagnostic_info): Likewise.
7855 (output_text_length, is_starting_newline, output_prefix,
7856 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
7857 prefixing_policy, output_buffer_ptr_to_format_args): New macros
7858 (set_real_maximum_length, output_set_maximum_length,
7859 output_set_prefix, output_get_prefix, output_set_maximum_length,
7860 output_destroy_prefix, init_output_buffer,
7861 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
7862 output_add_newline, output_add_character, output_add_space,
7863 output_append_r, output_append, wrap_text, output_format,
7864 output_do_printf, output_printf, output_do_verbatim,
7865 output_verbatim, verbatim): Use them.
7866 (output_clear): Split into cleat_text_info and
7867 clear_diagnostic_info.
7868 (struct output_state): Move to...
7870 * diagnostic.h: ...Here
7871 (struct output_buffer): Adjust.
7873 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
7875 * cpplex.c (parse_name): No longer inline (premature optimization).
7876 (do_pop_context): Fold into pop_context.
7877 (pop_context): Returns int.
7878 (lex_next): Hoist test for end of directive into pop_context.
7879 (push_macro_context): Returns int; takes just reader and token.
7880 Hoist test for excessive nesting to caller.
7881 (push_arg_context): Returns void; takes just reader and token.
7882 Do not call stringify_arg or get_raw_token.
7883 (get_raw_token): Convert tail recursion through push_arg_context
7884 to a loop at this level. Call stringify_arg here if appropriate.
7885 (maybe_paste_with_next): Convert tail recursion to a while loop.
7886 Hoist test of paste_level to caller.
7888 (stringify_arg): Push arg context at beginning.
7889 (cpp_get_token): Split out core into _cpp_get_token. Call
7890 process_directive here. Throw away CPP_PLACEMARKER tokens.
7891 (_cpp_get_token): Convert tail recursion through
7892 push_macro_context to a loop at this level.
7893 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
7894 _cpp_get_raw_token): Use _cpp_get_token.
7895 (_cpp_skip_rest_of_line): Drop the context stack directly; do
7896 not call pop_context.
7897 (_cpp_run_directive): Call lex_next directly.
7899 * cpphash.h: Prototype _cpp_get_token.
7900 * cppexp.c (lex): Use it.
7901 * cpphash.c (parse_define): Use it.
7902 * cpplib.c (get_define_node, do_undef, parse_include,
7903 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
7904 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
7905 parse_ifdef, validate_else): Use it.
7906 (cpp_push_buffer): Tweak error message; abort if anyone tries
7907 to push a buffer while macro expansions are stacked.
7909 2000-07-11 Donn Terry <donnte@microsoft.com>
7911 * cpplex.c (free_macro_args, save_token): Cast arg of free
7912 and/or xrealloc to PTR.
7913 (_cpp_init_input_buffer): Clear all fields of the base context.
7915 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
7917 * gensupport.c (process_rtx): Make rtl checking stop
7918 complaining about the define_insn while it is being
7919 converted from a define_insn_and_split.
7921 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
7923 * config/mips/mips.c (simple_memory_operand): Access the
7924 INTVAL of the address, not it's containing MEM.
7926 2000-07-11 Bruce Korb <bkorb@gnu.org>
7928 * fixinc/fixtests.c(double_slash): obsolete
7929 (else_endif_label): likewise
7930 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
7931 (libc1_ifdefd_memx): correct initial comment
7932 and omit the #if/#endif pair from the memxxx declarations
7933 * fixinc/fixincl.x: regen
7935 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7937 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
7939 2000-07-11 Neil Booth <NeilB@earthling.net>
7943 2000-07-11 Neil Booth <NeilB@earthling.net>
7945 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
7946 (handle_option): Set digraphs according to standard.
7947 Merge OPT_lang_c89 handler with OPT_std_c89.
7949 * cpplex.c: (lex_line, can_paste): Honour digraphs in
7950 accordance with the digraphs flag.
7952 * cpplib.h: (struct cpp_options): New option digraphs.
7954 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
7955 Bruce Korb <bkorb@gnu.org>
7957 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
7958 * fixinc/fixincl.x: Regenerate.
7959 * fixinc/tests/base/testing.h: Add testcase.
7961 2000-07-10 Richard Henderson <rth@cygnus.com>
7963 * config/ia64/ia64.c (got_symbolic_operand): New.
7964 (symbolic_operand, move_operand): Revert 0701 change.
7965 * config/ia64/ia64.h (PREDICATE_CODES): Update.
7966 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
7967 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
7968 split the offset into a 14-bit low part instead of a 13-bit low part.
7969 (load_fptr): Mark the mem as unchanging.
7970 (load_symptr): Use got_symbolic_operand.
7972 2000-07-10 Nick Clifton <nickc@cygnus.com>
7974 * libgcc2.c (next_stack_level): Cast result of computation to
7975 (void **) so that the assignment does not generate a warning.
7977 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
7979 * flags.h : Add new variable flag_single_precision_constant.
7980 * toplev.c (display_help) : Add -fsingle-precision-constant option.
7981 (flag_single_precision_constant): New.
7982 * c-lex.c (yylex): Convert floating point constant to single
7984 * invoke.texi : Add documentation for this new option.
7986 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
7988 * diagnostic.c (output_octal): Second parameter is unsigned.
7989 (output_long_octal): Likewise.
7990 (output_hexadecimal): Likewise.
7991 (output_long_hexadecimal): Likewise.
7992 (output_format): Adjust arguments extraction. Tweak.
7993 (output_verbatim, verbatim): End variable argument list.
7994 (report_diagnostic): Improve documentation.
7996 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
7998 * c-common.h (build_stmt): Declare.
7999 (build_continue_stmt): Likewise.
8000 (build_break_stmt): Likewise.
8001 (build_return_stmt): Likewise.
8003 * c-decl.c (do_case): Rewrite to do what previously done in
8006 * c-semantics.c (build_stmt): Define.
8007 (build_return_stmt): Likewise.
8008 (build_break_stmt): Likewise.
8009 (build_continue_stmt): Likewise.
8010 (build_case_label): Likewise.
8012 * c-parse.in (BREAK): Change to build tree, then generate RTL.
8013 (CONTINUE): Likewise.
8016 (DEFAULT): Likewise.
8018 * c-parse.y: Regenerate.
8019 * c-pasre.c: Likewise.
8021 2000-07-09 Jason Merrill <jason@redhat.com>
8023 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
8025 * tree.h (STRIP_NOPS): Check for error_mark_node.
8026 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
8027 (dwarf2out_*): Remove duplicate declarations.
8029 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
8030 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
8032 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
8034 * diagnostic.c (wrap_text): New function.
8035 (maybe_wrap_text): Likewise.
8036 (output_add_string): Use it.
8037 (output_format): Likewise.
8038 (count_error): Use verbatim instead of notice.
8039 (report_error_function): Likewise. Don't use plain fprintf.
8040 (finish_diagnostic): New function.
8041 (output_do_verbatim): Tweak. Commonalize functionalities in
8042 output_verbatim and verbatim.
8043 (output_verbatim): Adjust.
8044 (verbatim): Likewise.
8045 (report_diagnostic): Define.
8047 * diagnostic.h (report_diagnostic): Prototype.
8049 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
8051 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
8053 2000-07-09 Neil Booth <NeilB@earthling.net>
8055 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
8056 IShspace, ISspace: Update.
8058 * cppinit.c: ISTABLE: Update.
8061 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
8062 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
8063 (skip_block_comment, skip_line_comment, parse_string,
8064 lex_line): Use is_vspace rather than IS_NEWLINE.
8065 (skip_whitespace, lex_line): Clean up to use is_nvspace.
8066 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
8068 (lex_next): Unconditionally stop if within a directive.
8069 Treat directives within macro invocations as directives
8070 (after parse_args emits error), not as the argument.
8072 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
8074 * diagnostic.c (diagnostic_args): New macro.
8075 (diagnostic_msg): Likewise.
8076 (output_formatted_integer): Likewise.
8077 (output_state): New data type.
8078 (digit_buffer): Make global.
8079 (output_add_integer): Rename to output_decimal. Squeeze
8081 (output_long_decimal, output_unsigned_decimal,
8082 output_long_unsigned_decimal, output_octal, output_long_octal,
8083 output_hexadecimal, output_long_hexadecimal): New functions.
8084 (output_append_r): New function.
8085 (output_append): Tweak.
8086 (output_flush_on): Rename to output_to_stream.
8087 (output_format): Change prototype. Improve documentation. Handle
8088 more format specifiers.
8089 (build_location_prefix): Rename to context_as_prefix.
8090 (output_notice): Rename to output_do_printf.
8091 (output_printf): Tweak.
8092 (line_wrapper_printf): Likewise.
8093 (vline_wrapper_message_with_location): Adjust call to renamed
8095 (v_message_with_decl): Likewise.
8096 (default_print_error_function): Likewise.
8097 (save_output_state): New function.
8098 (restore_output_state): Likewise.
8099 (output_do_verbatim): Likewise.
8100 (output_verbatim): Define.
8101 (verbatim): Likewise.
8103 * diagnostic.h (printer_fn): Change return type from void to int.
8104 Improve documentation.
8105 (output_add_integer): Rename to output_decimal.
8106 (output_flush_on, output_format): Don't export.
8107 (output_verbatim, verbatim): Declare.
8109 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
8111 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
8112 Check whether c divides op1 exactly if operation is not
8115 2000-07-08 Richard Henderson <rth@cygnus.com>
8117 * final.c (final): Do not abort when reg-stack introduces
8120 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
8122 * cpplib.h (struct cpp_name): Now struct cpp_string.
8123 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
8124 CPP_HEADER_NAME): Change to type S.
8125 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
8126 field, a cpp_hashnode *. All references to val.name updated
8127 to use val.str or val.node as appropriate.
8128 (struct cpp_reader): Add spec_nodes field.
8129 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
8131 * cpphash.h (struct spec_nodes): New.
8132 (enum spell_type): Reorder. Only SPELL_STRING tokens use
8133 val.str. All references to 'spelling > SPELL_NONE' updated to
8136 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
8137 pfile->buffer->inc are not NULL before dereferencing them.
8139 * cpplex.c (parse_name): Take a pointer to the current token,
8140 plus current position and limit as args; return the new
8141 position; don't copy the text of a name into the string
8142 buffer, instead call cpp_lookup and store the node pointer.
8143 If extending a token, copy out the text of the old into a
8144 scratch buffer, append the new, look that up and store the new
8145 node pointer. Inline.
8146 (maybe_paste_with_next): If the result of paste is a NAME,
8147 then look up the pasted text and store its node pointer.
8148 (lex_line): Adjust for new parse_name interface.
8149 Check for L"str", L'str' using spec_nodes->n_L.
8150 (spell_token): SPELL_IDENT tokens have their spelling in
8151 val.node->name. Handle SPELL_STRING tokens that don't have
8153 (_cpp_expand_name_space,
8154 (can_paste): Check for L ## "str" using spec_nodes->n_L.
8155 (cpp_get_token, special_symbol): No need to call cpp_lookup.
8156 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
8157 return 1=equal 0=not, not a tristate.
8159 * cpphash.c (var_args_str): Delete.
8160 (find_param): Compare node fields directly.
8161 (is__va_args__): Use CPP_PEDANTIC. Just compare
8162 token->val.node with spec_nodes->n__VA_ARGS__.
8163 (dump_funlike_macro): Don't use var_args_str.
8165 * cpplib.c (_cpp_check_directive): Just walk through
8166 spec_nodes->dirs comparing pointers.
8167 (get_define_node, do_pragma_poison, detect_if_not_defined,
8168 parse_ifdef): The identifier has already been looked up.
8169 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
8171 (do_if): Only call detect_if_not_defined at beginning of file.
8172 (_cpp_parse_assertion): Only copy string pointers for
8173 SPELL_STRING tokens.
8174 (pragma_dispatch): Take a node pointer and examine its name
8176 (_cpp_init_stacks): Also initialize the spec_nodes structure.
8178 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
8180 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
8181 reverse order from the corresponding _cpp_init_* routines.
8183 * cppexp.c (parse_number, parse_charconst, parse_defined,
8184 lex): Check val.node->type instead of calling cpp_defined.
8185 Use spec_nodes entries where appropriate.
8187 * fix-header.c, scan-decls.c: Update for interface changes.
8189 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
8191 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
8192 emitting aux_truncdfsf2.
8194 2000-07-03 Donn Terry (donnte@microsoft.com)
8196 * cppinit.c (print_help): split overlong line into ISO C89
8199 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
8201 * cppexp.c: Update all code for new lexer interface.
8202 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
8203 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
8204 * cpplex.c (token_names): Trim leading CPP_ from names; make
8205 the strings unsigned.
8206 (_cpp_spell_operator): New.
8207 (is_macro_disabled): Disable all macros if rescanning
8209 (_cpp_get_directive_token): Remove.
8211 * cppinit.c: Don't set no_macro_expand.
8212 * cpplib.c (read_line_number, do_line): Check only for EOF,
8214 * cpphash.h: Update prototypes.
8215 * cpplib.h (CPP_VSPACE): Remove.
8216 (struct cpp_reader): Remove no_macro_expand.
8218 2000-07-08 Neil Booth <NeilB@earthling.net>
8220 * cpphash.c (is__va_args__): New function.
8221 (count_params): Fix line reported in error messages. Use
8222 is__va_args__. Don't return ')' on error. Flag GNU style
8223 rest args macro definitions.
8224 (parse_define): Check macro name is not __VA_ARGS__.
8225 (save_expansion): Check identifier in non-varargs-macro is
8226 not __VA_ARGS__. Don't flag GNU_VARARGS.
8227 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
8228 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
8229 than per-token GNU_VARARGS.
8230 * cpplib.h (GNU_VARARGS): Remove.
8231 (GNU_REST_ARGS): New.
8233 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
8235 * i386.md (call_pop, call, call_value_pop): Do not set
8236 current_function_uses_pic_offset_table for calls to static
8237 functions or indirect calls.
8239 2000-07-07 Jim Wilson <wilson@cygnus.com>
8241 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
8242 is_predicate_reg, then take max write_count of register pair.
8244 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8246 * tradcpp.c (main): Rename label `include' to `add_include' to
8247 avoid conflicts with variable `include' in traditional C.
8249 2000-07-07 Jakub Jelinek <jakub@redhat.com>
8251 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
8253 2000-07-07 Jakub Jelinek <jakub@redhat.com>
8255 * sibcall.c (uses_addressof): Add INMEM argument, check for
8256 current_function_internal_arg_pointer outside of MEM rtxs in addition
8258 (sequence_uses_addressof): Update caller.
8260 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
8262 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
8265 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8267 * system.h (UNION_INIT_ZERO): New macro for initializing union
8270 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
8272 2000-07-07 Neil Booth <NeilB@earthling.net>
8276 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
8278 * final.c (final): Detect out of bounds array access to
8279 the insn_lengths array.
8281 2000-07-07 Kazu Hirata <kazu@hxi.com>
8283 * fold-const.c (fold): Fix a comment typo.
8285 2000-07-07 Neil Booth <NeilB@earthling.net>
8287 * cpp.texi: Update to new lexer.
8289 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
8291 * tradcpp.c: New file.
8292 * tradcif.y: New file.
8293 * tradcif.c: New generated file.
8295 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
8296 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
8297 dependencies of C. Install tradcpp from install-common, in
8300 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
8302 * cppinit.c: Include cppdefault.h. Refer to
8303 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
8304 to GCC_INCLUDE_DIR and its length.
8305 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
8306 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
8307 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
8309 (include_defaults_array): Move to cppdefault.c.
8311 * cppdefault.h: New file.
8312 * cppdefault.c: New file.
8314 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
8315 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
8316 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
8319 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8321 * reload.c (push_reload): When seeing if can reuse a register,
8322 check extra registers against widest of INMODE and OUTMODE.
8324 2000-07-06 Neil Booth <NeilB@earthling.net>
8326 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
8327 based on full length of predicate.
8329 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
8331 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
8332 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
8334 2000-07-05 Kazu Hirata <kazu@hxi.com>
8336 * h8300-proto.h: Fix formatting.
8337 * h8300.c: Likewise.
8338 * h8300.h: Likewise.
8340 2000-07-05 Jim Wilson <wilson@cygnus.com>
8342 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
8345 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
8347 * invoke.texi: Fix minor typos
8348 * md.texi: Fix minor typos
8350 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
8352 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
8354 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
8356 * cpplex.c: Don't include sys/mman.h.
8357 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
8359 * cpplib.c: Include sys/mman.h and obstack.h.
8360 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
8362 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
8363 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
8364 bother freeing if stack entries (they will be freed with their buffer).
8365 (do_endif): Free if stack entries from the buffer obstack.
8366 (push_conditional): Allocate if stack entries from the buffer obstack.
8368 (find_answer): Rename to _cpp_find_answer.
8369 (do_assert, do_unassert): Update.
8371 * cpphash.h: Update prototypes.
8372 (xobnew): New convenience macro.
8373 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
8375 (struct cpp_hashnode): Remove disabled field.
8377 * cppinit.c: Don't include hashtab.h or splay-tree.h.
8378 (report_missing_guard): Moved to cppfiles.c.
8379 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
8381 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
8382 cpp_cleanup_includes. Don't destroy hashtab or
8383 all_include_files here.
8384 (cpp_finish): Use _cpp_report_missing_guards.
8386 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
8387 (_cpp_init_include_table): Rename _cpp_init_includes.
8388 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
8390 * cppexp.c (parse_assertion): Update for new name of
8393 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
8395 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
8397 * cpplib.c (do_ident): s/VSPACE/EOF/
8399 2000-07-05 Neil Booth <NeilB@earthling.net>
8401 * cpplex.c: Fix trigraph replacement within strings.
8403 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8405 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
8407 * xcoffout.c (assign_type_number): Constify.
8408 (xcoffout_source_file): Add static prototype. Don't needlessly
8409 cast away const-ness.
8411 2000-07-04 Jason Merrill <jason@redhat.com>
8413 * frame.h (frame_state): Move base_offset to end.
8415 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
8417 * calls.c (emit_library_call_value_1): Revert previous change.
8419 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
8421 * fix-header.c (struct partial_proto): Remove unnecessary fields.
8422 (recognized_extern, recognized_function, read_scan_file):
8423 Update for new scheme.
8424 (check_protection): It's still a multiple include guard even
8425 if it doesn't always trigger.
8426 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
8428 * scan.h: Declare struct cpp_token. Update prototypes.
8430 2000-07-03 Neil Booth <neilb@earthling.net>
8431 Zack Weinberg <zack@wolery.cumb.org>
8433 Complete overhaul of the lexer and macro expander.
8435 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
8436 arg, arglist, argdata, reflist, collect_objlike_expansion,
8437 collect_funlike_expansion, collect_params,
8438 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
8439 unsafe_chars, macarg, compare_defs, special_symbol,
8440 scan_arguments, stringify, funlike_macroexpand,
8441 _cpp_quote_string, monthnames): Delete.
8442 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
8443 _cpp_create_definition, _cpp_dump_definition,
8444 dump_hash_helper): Adjust.
8445 (find_param, count_params, parse_define, var_args_str,
8446 check_macro_redefinition, save_expansion): New.
8448 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
8449 parse_string, output_line_command, trigraph_replace,
8450 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
8451 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
8452 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
8453 _cpp_skip_rest_of_line): Modify.
8455 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
8456 find_position, null_warning, bump_column, expand_name_space,
8457 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
8458 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
8459 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
8460 _cpp_prescan): Delete.
8462 (dump_param_spelling, process_directive, lex_next,
8463 is_macro_disabled, stringify_arg, expand_context_stack,
8464 output_token, make_string_token, alloc_number_token,
8465 special_symbol, duplicate_token, maybe_paste_with_next,
8466 can_paste, prevent_macro_expansion, restore_macro_expansion,
8467 get_temp_token, release_temp_tokens, quote_string,
8468 token_names, token_spellings, _cpp_expand_name_space,
8469 _cpp_glue_header_name, _cpp_reserve_name_space,
8470 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
8471 placemarker_token, eof_token, cpp_context, macro_args,
8472 get_raw_token, parse_arg, parse_args, save_token,
8473 push_arg_context, push_macro_context, pop_context,
8474 do_pop_context, free_macro_args, _cpp_get_line,
8475 _cpp_run_directive): New.
8477 * cpplib.c (validate_else, parse_include, push_conditional,
8478 pass_thru_directive, read_line_number, parse_ifdef,
8479 detect_if_not_defined, _cpp_check_directive, do_define,
8480 do_undef, do_include, do_import, do_include_next, do_error,
8481 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
8482 top_pragmas, do_pragma_gcc, do_pragma_implementation,
8483 do_pragma_poison, do_pragma_system_header,
8484 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
8485 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
8486 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
8487 cpp_defined): Update for new scheme.
8488 (strtoul_for_line, get_define_node, dump_macro_name,
8489 _cpp_check_linemarker, _cpp_parse_assertion): New.
8490 (_cpp_handle_directive, do_pragma_default): Delete.
8492 * cpphash.h (struct predicate): Now struct answer.
8493 (enum spell_type, struct token_spelling, struct directive,
8494 directive_handler): New.
8495 Update prototypes. Remove unused macros.
8496 * cpplib.h: Update prototypes. Remove unused macros,
8497 structure definitions, and fields.
8499 * cpperror.c (print_containing_files, v_message): Adjust.
8500 * cppexp.c (parse_assertion, lex, parse_escape,
8501 _cpp_parse_expr): Adjust.
8502 * cppfiles.c (open_include_file, _cpp_execute_include,
8503 _cpp_compare_file_date, cpp_read_file, read_include_file):
8505 * cppinit.c (dump_special_to_buffer): Delete.
8506 (append_include_chain, merge_include_chains, cpp_reader_init,
8507 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
8508 cpp_finish, handle_option, print_help): Adjust.
8509 * cppmain.c (main): Adjust.
8511 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
8513 * cppspec.c (lang_specific_driver): Use double quotes in error
8516 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
8518 * calls.c (emit_library_call_value_1): Use valreg instead
8519 of hard_libcall_value.
8521 2000-07-03 Geoff Keating <geoffk@cygnus.com>
8523 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
8524 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
8525 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
8533 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
8534 mode instead of wider_mode is being used.
8536 2000-07-03 Jakub Jelinek <jakub@redhat.com>
8538 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
8539 of 'r'. Use q_regs_operand.
8540 (andsi_1+2): Use q_regs_operand.
8542 2000-07-03 Jakub Jelinek <jakub@redhat.com>
8544 * builtins.c (get_memory_rtx): Always put into alias set 0.
8546 2000-07-03 Nick Clifton <nickc@cygnus.com>
8548 * config/arm/arm.md: Fix post increment and pre increment
8549 peepholes so that they do not generate UNPREDICATBLE opcodes.
8550 (ie ones where the increment clobbers the source/destination).
8552 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
8554 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
8555 change too big for -mtiny-stack" a warning, if larger than 63.
8556 (out_set_stack_ptr): Change the logic so -mno-interrupts is
8557 always safe to use on possible future devices.
8558 (function_prologue): Write SPH before SPL, for consistency.
8559 If interrupt_func_p true, we know we have enabled interrupts.
8560 (avr_num_arg_regs): New function. Round up to even number of
8561 bytes if no -mpack-args or if calling a libgcc function.
8562 (function_arg, function_arg_advance): Use it.
8563 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
8564 Output "movw" if available.
8565 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
8566 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
8567 (asm_output_section_name): Add blanks for consistent output.
8568 (encode_section_info): Set TREE_READONLY for progmem data to
8569 avoid gas warnings about changed section attributes.
8570 (avr_hard_regno_mode_ok): Force non-QImode data to start in
8571 even numbered registers on devices with "movw".
8572 * config/avr/avr.h (MASK_*): Define bits for target_flags.
8573 (TARGET_SWITCHES): Mark help strings for translation.
8574 Add new -mpack-args and -menhanced switches.
8575 (TARGET_OPTIONS): Mark help strings for translation.
8576 (progmem_section): Add section attributes.
8577 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
8578 Output "movw" if available.
8579 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
8581 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
8582 call convention (arguments aligned on even registers).
8583 (_cleanup, _exit): Make weak symbols libc can override.
8585 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8587 * fp-bit.h: New file.
8589 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
8590 Comment #endif statements.
8591 (__thenan_sf, __thenan_df): Add missing braces around initializer.
8593 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
8595 * gcse.c (compute_pre_data): Compute ae_kill using other local
8596 properties instead of calling compute_ae_kill.
8598 * alias.c (init_alias_analysis): Do not call
8599 prologue_epilogue_contains until after reload has completed.
8601 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
8603 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
8604 (genrtl_finish_compound_stmt): Likewise.
8605 (genrtl_compound_stmt): Change to return void.
8607 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
8608 move code from here to ...
8609 (genrtl_compound_stmt): ... here.
8610 (genrtl_finish_compound_stmt): Remove.
8611 (expand_stmt): Add comment.
8613 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
8615 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
8618 2000-07-02 Jakub Jelinek <jakub@redhat.com>
8620 * cpplib.h (struct cpp_reader): New field include_depth.
8621 (struct cpp_printer): Rename last_bsd to last_id.
8622 * cppfiles.c (read_include_file): Bump include_depth.
8623 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
8624 (output_line_command): Output correct #line if a header
8625 is including itself and is not protected against multiple inclusion.
8626 Use include_depth instead of buffer_stack_depth, last_id instead of
8628 * cppinit.c (cpp_start_read): Initialize last_id instead of
8631 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
8633 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
8634 (c-semantics.o): New target.
8636 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
8637 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
8638 (genrtl_clear_out_block): Likewise.
8639 (genrtl_goto_stmt): Likewise.
8640 (genrtl_expr_stmt): Likewise.
8641 (genrtl_decl_stmt): Likewise.
8642 (genrtl_if_stmt): Likewise.
8643 (genrtl_while_stmt): Likewise.
8644 (genrtl_do_stmt): Likewise.
8645 (genrtl_return_stmt): Likewise.
8646 (genrtl_for_stmt): Likewise.
8647 (genrtl_break_stmt): Likewise.
8648 (genrtl_continue_stmt): Likewise.
8649 (genrtl_scope_stmt): Likewise.
8650 (genrtl_switch_stmt): Likewise.
8651 (genrtl_case_label): Likewise.
8652 (genrtl_begin_compound_stmt): Likewise.
8653 (gerntl_finish_compound_stmt): Likewise.
8654 (genrtl_compound_stmt): Likewise.
8655 (genrtl_asm_stmt): Likewise.
8656 (genrtl_decl_cleanup): Likewise.
8657 (DECL_ANON_UNION_ELEMS): Likewise.
8658 (emit_local_var): Likewise.
8659 (make_rtl_for_local_static): Likewise.
8660 (expand_cond): Likewise.
8661 (expand_stmt): Likewise.
8662 (c_expand_return): Likewise.
8663 (c_expand_start_case): Likewise.
8664 (do_case): Likewise.
8665 (COMPOUND_STMT_NO_SCOPE): Likewise.
8666 (c_expand_asm_operands): Likewise.
8667 (NEW_FOR_SCOPE_P): New macro.
8668 (expand_expr_stmt_fn): New type.
8670 (set_current_function_name_declared): Likewise.
8671 (current_function_name_declared): Likewise.
8672 (lang_expand_stmt): Likewise.
8673 (stmts_are_full_exprs_p): Likewise.
8674 (anon_aggr_type_p): Likewise.
8675 (lang_expand_expr_stmt): Likewise.
8676 (build_case_label): Likewise.
8678 * c-decl.c (lang_expand_expr_stmt): Initialize.
8679 (stmts_are_full_exprs_p): Define.
8680 (current_function_name_declared): Likewise.
8681 (do_case): Likewise.
8682 (lang_expand_stmt): Likewise.
8683 (set_current_function_name_declared): Likewise.
8684 (anon_aggr_type_p): Likewise.
8686 * c-semantics.c: New file.
8687 (expand_cond): Moved from cp/semantics.c.
8688 (genrtl_do_pushlevel): Likewise.
8689 (genrtl_clear_out_block): Likewise.
8690 (genrtl_goto_stmt): Likewise.
8691 (genrtl_expr_stmt): Likewise.
8692 (genrtl_decl_stmt): Likewise.
8693 (genrtl_if_stmt): Likewise.
8694 (genrtl_while_stmt): Likewise.
8695 (genrtl_do_stmt): Likewise.
8696 (genrtl_return_stmt): Likewise.
8697 (genrtl_for_stmt): Likewise.
8698 (genrtl_break_stmt): Likewise.
8699 (genrtl_continue_stmt): Likewise.
8700 (genrtl_scope_stmt): Likewise.
8701 (genrtl_switch_stmt): Likewise.
8702 (genrtl_case_label): Likewise.
8703 (genrtl_begin_compound_stmt): Likewise.
8704 (genrtl_finish_compound_stmt): Likewise.
8705 (genrtl_compound_stmt): Likewise.
8706 (genrtl_asm_stmt): Likewise.
8707 (genrtl_decl_cleanup): Likewise.
8708 (make_rtl_for_local_static): Moved from cp/decl.c.
8709 (emit_local_var): Likewise.
8710 (expand_stmt): Define.
8712 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
8713 (c_expand_return): Likewise.
8714 (c_expand_start_case): Likewise.
8716 2000-07-01 Richard Henderson <rth@cygnus.com>
8718 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
8719 with the low 13 bits set.
8720 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
8721 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
8722 of the low 13 bits into a CONST plus an adddi3.
8723 (load_symptr): Set RTX_UNCHANGING_P.
8725 See ChangeLog.3 for earlier changes.