| blob | fdf9f56931c1a2c643a8cb75d23b76dfe80aa537 |
1 2000-08-19 Michael Meissner <meissner@redhat.com>
3 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
4 instructions in it before checking for indirect jumps.
6 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
7 in a indirect jump as a potential for conditional execution.
9 * d30v.h (d30v_init_expanders): Don't declare here.
10 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
11 prototype.
13 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
15 * cpp.texi: Add @section for assertions.
17 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
19 * loop.c (scan_loop): Use CONST_CALL_P instead of
20 checking for REG_LIBCALL / REG_RETVAL.
22 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
24 * reload1.c (reload_as_needed): Accept dumpfile argument,
25 pass it to emit_reload_insns.
26 (emit_reload_insns): Add new dumpfile argument. If non-null
27 then dump the reloads for each insn into the dumpfile.
28 (reload): Pass dumpfile to reload_as_needed.
30 * invoke.texi: Clean up linux-gnu vs linux comments.
32 2000-08-19 Richard Henderson <rth@cygnus.com>
34 * config/ia64/ia64.c (reg_or_5bit_operand): New.
35 (ia64_depz_field_mask): New.
36 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
37 (PREDICATE_CODES): Update.
38 * config/ia64/ia64.md: Update commentary.
39 (depz_internal): New.
40 (ashlsi3): Implement directly.
41 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
42 (ashldi3): Use shladd.
43 * config/ia64/ia64-protos.h: Update.
45 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
47 * toplev.c (independent_decode_option): Always process -g.
48 Remove third argument, now unused. Adjust caller to match.
50 2000-08-18 Richard Henderson <rth@cygnus.com>
52 * combine.c (make_compound_operation): Break after creating
53 the extraction.
55 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
57 * cpplib.c (cpp_register_pragma_space): Just return if the
58 namespace is already registered.
60 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
62 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
63 constant amount. Do not generate ROTL instruction.
65 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
67 * config/sh/elf.h: Do not include sh/sh.h.
68 * config/sh/rtems.h: Likewise.
69 * config/sh/rtemself.h: Do not include sh/elf.h.
70 * configure.in: Get them included with `tm_file's.
71 * configure: Rebuilt.
73 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
74 * config/sh/sh.c (fpscr_set_from_mem): Use them.
76 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
78 * stor-layout.c (compute_record_type): Don't use mode of single
79 field as mode of record if not integer mode of same type.
81 * regmove.c (perhaps_ends_bb_p): New function.
82 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
83 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
84 (fixup_match_1): Likewise.
85 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
86 avoid signed/unsigned warnings.
88 * function.c (fixup_var_refs_1, case MEM): Update CODE after
89 updating X.
91 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
93 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
94 (_cpp_trigraph_map): Declaration moved from cpplex.c
96 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
97 instead of 256. Use consistent test for designated initializers.
98 (cpp_init): Initialize trigraph_map.
99 (initialize_standard_includes, parse_option): Use memcmp
100 instead of strncmp.
102 * cpplex.c (init_trigraph_map): Remove.
103 (trigraph_ok, trigraph_replace, lex_line): Refer to
104 _cpp_trigraph_map.
106 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
107 (do_unassert): Remove unused "next" local.
109 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
111 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
113 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
114 insn.
116 2000-08-17 Richard Henderson <rth@cygnus.com>
118 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
119 the first insn in a sequence.
121 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
123 * alias.c (true_dependence, write_dependence_p): A read
124 involving a label_ref or the constant pool doesn't create
125 a dependency.
127 * rtl.h (unchanging): Improve documentation.
129 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
131 * cse.c (insert_regs): Remove unused `regno'.
133 2000-08-17 Neil Booth <NeilB@earthling.net>
135 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
136 remove_dup_dirs. If qtail == brack, remove brack not
137 qtail.
138 (remove_dup_dir, remove_dup_dirs): New functions.
140 2000-08-17 Neil Booth <NeilB@earthling.net>
142 * cppinit.c (cpp_cleanup): Free include dir chains.
143 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
144 (do_unassert): Free the assert with _cpp_free_definition.
145 * cppmacro.c (_cpp_free_definition): Free memory allocated for
146 assertions. Make the node a T_VOID node.
148 2000-08-17 Neil Booth <NeilB@earthling.net>
150 * cppinit.c (path_include, append_include_chain):
151 Remove 2nd parameter (struct cpp_pending *).
152 (path_include, initialize_standard_includes, cpp_handle_option):
153 Update callers appropriately.
154 (cpp_handle_option): Use pend.
156 2000-08-17 Neil Booth <NeilB@earthling.net>
158 * cppinit.c (sort_options): Remove, put functionality in
159 cpp_init.
160 (cpp_init): New.
161 (initialize_builtins): Free memory.
162 (cpp_start_read): Move init_IStable to cpp_init.
164 * cpplib.h (cpp_init): New prototype.
165 * cppmain.c (main): Call cpp_init.
167 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
169 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
170 (rtx_unstable_p, rtx_varies_p): Process vectors.
172 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
174 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
175 references to GLOBAL symbols. Use LOCAL where appropriate.
177 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
179 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
180 use t-aix41 when host == target.
182 2000-08-16 Richard Henderson <rth@cygnus.com>
184 * reload.c (push_secondary_reload): Revert last change.
185 If we use a reload_in/out pattern, make the when the same
186 as the primary reload.
187 (find_reloads): Likewise.
189 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
191 * configure.in (libstdcxx-v3): Fix test.
192 * configure: Regenerate.
194 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
196 * calls.c (calls_function_1, expand_call): Only test
197 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
198 * function.c (thread_prologue_and_epilogue_insns): Likewise.
200 2000-08-16 Richard Henderson <rth@cygnus.com>
202 * combine.c (simplify_shift_const): Revert previous two
203 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
204 before the main loop.
206 2000-08-15 Richard Henderson <rth@cygnus.com>
208 * combine.c (simplify_shift_const): Bound shift count when
209 combining shifts.
211 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
213 * calls.c (ECF_SP_DEPRESSED): New macro.
214 (calls_function_1): Treat calling sp-depressed function as alloca.
215 (emit_call_1): Don't adjust SP if calling sp-depressed function.
216 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
217 If sp-depressed, ensure block saves and restores SP.
218 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
219 for INTEGER_TYPE.
220 * function.c (keep_stack_depressed): New function.
221 (thread_prologue_and_epilogue_insns): Call it.
222 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
223 to print DECL_OFFSET_ALIGN.
224 Print no-force-blk and transparent-union flags properly.
225 * stmt.c (expand_goto_internal): Don't restore stack if last block
226 and function returns with sp depressed.
227 (fixup_gotos): Likewise.
228 (save_stack_pointer): New function, from code in expand_decl.
229 (expand_decl): Call new function.
230 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
231 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
232 (save_stack_pointer): New declaration.
234 * diagnostic.c (fatal_function): New variable.
235 (set_fatal_function): New function.
236 (fatal): Call it.
237 * diagnostic.h (set_fatal_function): New declaration.
239 2000-08-15 William Cohen <wcohen@redhat.com>
241 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
242 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
243 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
245 2000-08-15 Richard Henderson <rth@cygnus.com>
247 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
249 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
251 * arm.c (arm_function_ok_for_sibcall): New function.
252 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
253 * arm.md (call expanders): Don't check here for calls that can't
254 be sibling calls.
256 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
258 * arm.md (splits generating cond_exec): Disable.
260 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
262 * arm/linux-elf.h (text_section): Delete declaration.
264 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
266 ARM support for unordered FP operations.
267 * arm-protos.h (arm_comparison_operator): Declare.
268 * arm.c (arm_comparison_operator): New function.
269 (arm_select_cc_mode): Add unordered comparison codes.
270 (get_arm_condition_code): Likewise.
271 (arm_final_prescan_insn): Can't handle unordered jumps that can't
272 be done in one insn.
273 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
274 * arm.md (all uses of comparison_operator): Replace with
275 arm_comparison_operator.
276 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
277 expands.
278 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
279 patterns.
281 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
283 * gthr-posix.h: Conditionally include <sched.h>; include
284 <config.h> from libobjc/.
286 2000-08-14 Richard Henderson <rth@cygnus.com>
288 * config/i386/i386.c (legitimize_pic_address): Use Pmode
289 for all CONSTs.
291 2000-08-14 Richard Henderson <rth@cygnus.com>
293 * configure.in (ia64-*): Set float_format for i386 long double.
295 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
296 as we would for i386 XFmode.
297 (PUT_REAL): Likewise.
298 (endian, ereal_atof, real_value_truncate): Likewise.
299 (ereal_isneg, toe64, etens, make_nan): Likewise.
300 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
302 * config/ia64/ia64-protos.h: Update.
303 * config/ia64/ia64.c (general_tfmode_operand): New.
304 (destination_tfmode_operand): New.
305 (tfreg_or_fp01_operand): New.
306 (ia64_split_timode): New.
307 (spill_tfmode_operand): New.
308 (ia64_expand_prologue): Use TFmode not XFmode.
309 (ia64_expand_epilogue): Likewise.
310 (ia64_function_arg): Likewise.
311 (ia64_function_arg_advance): Likewise.
312 (ia64_return_in_memory): Likewise.
313 (ia64_function_value): Likewise.
314 (ia64_print_operand): Likewise.
315 (ia64_register_move_cost): Set GR<->FR to 5.
316 (ia64_secondary_reload_class): Get GR for TImode memory op.
317 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
318 (ROUND_TYPE_ALIGN): Remove.
319 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
320 (INTEL_EXTENDED_IEEE_FORMAT): Define.
321 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
322 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
323 (MODES_TIEABLE_P): Use TFmode, not XFmode.
324 (CLASS_MAX_NREGS): Likewise.
325 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
326 (PREDICATE_CODES): Update.
327 * config/ia64/ia64.md (movti): New.
328 (movti_internal): Use a clobber for memory alternatives.
329 (reload_inti, reload_outti): New.
330 (movsfcc_astep): Predicate properly.
331 (movdfcc_astep): Likewise.
332 (movxf): Remove.
333 (movtf): New.
334 (extendsftf2, extenddftf2): New.
335 (trunctfsf2, trunctfdf2): New.
336 (floatditf2, fix_trunctfdi2): New.
337 (floatunsditf2, fixuns_trunctfdi2): New.
338 (addtf3, subtf3, multf3, abstf2): New.
339 (negtf2, nabstf2, mintf3, maxtf3): New.
340 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
341 (cmptf): New.
342 (fr_spill): Use TFmode, not XFmode.
343 (fr_restore): Likewise.
344 * config/ia64/lib1funcs.asm (__divtf3): New.
345 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
347 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
349 * cse.c (fold_rtx): Avoid empty body in an if-statement.
351 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
352 `U' integer constant suffix.
354 * dwarf2out.c (add_subscript_info): Avoid empty body in an
355 else-statement.
357 * sparc/sol2.h (__enable_execute_stack): Prototype.
359 2000-08-14 David Edelsohn <edelsohn@gnu.org>
361 * collect2.c: Remove use of AIX import file.
363 * longlong.h: Test ARCH_PWR not ARCH_POWER.
365 * rs6000.c (print_operand, case 'E'): Add else.
367 2000-08-14 Richard Henderson <rth@cygnus.com>
369 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
370 (movdi_symbolic): New.
372 2000-08-14 Jim Wilson <wilson@cygnus.com>
374 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
375 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
376 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
377 to GNU as.
379 2000-08-14 Richard Henderson <rth@cygnus.com>
381 * expr.c (emit_group_load): Don't force constants into registers.
382 Special case source already in the correct mode.
384 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
386 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
387 * fixinc/inclhack.def: Likewise.
388 * fixinc/mkfixinc.sh: Likewise.
389 * configure: Regenerate.
390 * fixinc/fixincl.x: Regenerate.
391 * install.texi: Document equivalence of linux and linux-gnu.
393 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
395 * cse.c (insert_regs): Also in REG case: When finding an invalid
396 value, and we make a new quantity, make sure that it won't be
397 mistaken by for a valid one by mention_regs.
399 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
401 * h8300.md: Remove obsolete peepholes.
403 2000-08-13 Kazu Hirata <kazu@hxi.com>
405 * invoke.texi (H8/300 Options): Fix typos.
406 * config/h8300.c: Fix formatting.
407 * config/h8300.h: Fix comment typos.
408 (OVERRIDE_OPTIONS): Fix formatting.
410 * function.c: Fix formatting.
412 * cse.c: Fix formatting.
414 2000-08-13 Geoff Keating <geoffk@cygnus.com>
416 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
417 (attempt_auto_inc): Suppress parentheses warning.
418 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
419 * loop.c (load_mems): Remove `u' suffix in two places.
420 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
421 hex constants.
422 * config/rs6000/rs6000.h: Likewise.
423 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
424 __eabi dummy routine.
425 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
426 variable `buf_ptr'.
428 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
429 not put stuff in .sdata unnecessarily.
430 (rs6000_unique_section): New function.
431 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
432 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
434 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
435 arrays in C99. Don't try to look at DECL_REGISTER of a
436 COMPONENT_REF. Don't complain twice about the same error.
438 * fixinc/inclhack.def (aix_pthread): New fix.
439 (aix_sysmachine): New fix.
440 * fixinc/fixincl.x: Regenerate.
442 * expr.c (expand_expr): Call convert_modes when turning a large
443 multiply into a small one.
445 2000-08-12 Geoff Keating <geoffk@cygnus.com>
447 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
448 the tree structure an exponent rather than an explicit alignment
449 so it doesn't overflow.
450 (SET_DECL_OFFSET_ALIGN): New macro.
451 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
452 rather than DECL_OFFSET_ALIGN.
453 (place_field): Likewise.
454 * expmed.c (store_bit_field): Abort on align==0 to avoid
455 antisocial machine behaviour.
457 2000-08-12 Richard Henderson <rth@cygnus.com>
459 * sibcall.c (uses_addressof): Accept both addressof and
460 current_function_internal_arg_pointer inside a mem.
461 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
462 if current_function_uses_addressof.
463 * stmt.c (expand_return): Kill tail recursion and HAVE_return
464 optimizations.
466 2000-08-11 Richard Henderson <rth@cygnus.com>
468 * config/ia64/ia64.md (addsi3): Remove expander.
469 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
470 (*addsi3_shladd): New.
472 2000-08-11 Richard Henderson <rth@cygnus.com>
474 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
475 (do_restore): Likewise.
476 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
477 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
478 (rtx_needs_barrier): Track actual bit manipulation for
479 ar.unat moves, gr_spill, and gr_restore.
480 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
481 (process_set): Don't handle varargs spills.
482 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
483 .mem.offset here instead of in process_set.
484 (gr_restore): Likewise.
486 2000-08-11 Richard Henderson <rth@cygnus.com>
488 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
490 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
492 * gcc.texi (The Configuration File): Document
493 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
494 UPDATE_PATH_HOST_CANONICALIZATION.
496 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
498 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
499 unprototyped function pointer casts on integer constants.
501 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
503 * fixproto: Recognize DOS paths with drive letters as absolute paths.
505 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
507 * extend.texi (Volatiles): Fix typos.
509 2000-08-11 Kazu Hirata <kazu@hxi.com>
511 * flow.c: Fix formatting.
513 2000-08-11 Richard Henderson <rth@cygnus.com>
515 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
516 pattern, always allocate a tertiary scratch register.
518 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
519 (reload_inhi): Likewise.
521 2000-08-11 Richard Henderson <rth@cygnus.com>
523 * function.c (put_reg_into_stack): Allow type to be NULL.
524 (schedule_fixup_var_refs): Likewise.
525 (gen_mem_addressof): Allow decl to be NULL.
526 (put_addressof_into_stack): Likewise.
528 * flow.c (merge_blocks_nomove): Be more careful about
529 locating the beginning of block A.
531 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
533 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
535 * configure.in:
536 * configure:
537 * gthr-posix.h:
538 * config.in: Reverted the check for <sched.h>.
540 2000-08-10 Chris Demetriou <cgd@sibyte.com>
542 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
543 macros define the name of CTOR and DTOR sections.
544 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
545 DTOR_LIST_END): Change to use attributes to specify
546 sections.
547 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
548 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
549 DTOR_LIST_END): Same as in mips/elf.h.
551 2000-08-10 Drew Moseley <dmoseley@redhat.com>
553 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
554 disabling just crt0.o.
556 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
558 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
559 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
560 (EXTRA_SPECS): Add them.
561 * arm/lib1funcs.asm: Support builds for interworking.
562 Use macros to eliminate duplicated pieces of code.
564 2000-08-10 Kazu Hirata <kazu@hxi.com>
566 * h8300.c (expand_a_rotate): New.
567 (emit_a_rotate): Likewise.
568 (h8300_adjust_insn_length): Add support for the rotate insns.
569 * h8300.md (rotlqi3): New.
570 (*rotlqi3_1): Likewise.
571 (rotlhi3): Likewise.
572 (*rotlhi3_1): Likewise.
573 (rotlhi3): Likewise.
574 (*rotlhi3_1): Likewise.
575 * h8300-proto.h: Add prototypes for expand_a_rotate and
576 emit_a_rotate.
578 * h8300.c: Fix comment typos.
579 (dosize): Declare the variable amount as unsigned.
580 (get_shift_alg): Fix a comparison between signed and unsigned.
581 (emit_a_shift): Likewise.
582 (h8300_adjust_insn_length): Simplify the code.
584 * c-decl.c: Fix formatting.
586 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
588 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
589 warning about non-traditional numeric constant suffixes.
591 * cppexp.c (parse_number): Likewise.
593 * invoke.texi: (-Wtraditional): Document new behavior.
595 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
597 * gthr-posix.h: Include auto-host.h. Conditionally include
598 <sched.h>.
599 * configure.in: Check for the <sched.h> header file.
600 * config.in: Added define for HAVE_SCHED_H.
602 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
604 * c-typeck.c (process_init_element): For -Wtraditional, warn about
605 initialization of unions.
607 * invoke.texi (-Wtraditional): Document new behavior.
609 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
611 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
612 instead of extra_c_flags.
613 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
614 * configure: Regenerate.
615 * config.in: Regenerate.
617 * cpperror.c (cpp_type2name): New function.
618 * cpplex.c (lex_line): If we issued an error for an invalid
619 preprocessing directive, discard that logical line.
620 * cpplib.c (do_line): Call a hook function if the current file
621 is renamed by #line.
622 (do_ident): Pass the contents of the string, not the entire
623 token, to the callback function.
624 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
625 (cb.rename_file): New hook function.
626 (cb.ident): Adjust prototype.
627 (cpp_type2name): Prototype.
628 * cppmacro.c (dump_macro_args): Correct precedence lossage.
630 * cppmain.c (cb_ident): Update for changed interface.
631 (cb_rename_file): New function.
632 (main): Set rename callback.
634 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
636 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
637 multi-word registers.
639 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
641 * c-common.c (combine_strings, check_format_info): Refer to ISO C
642 or ISO C89 instead of ANSI C.
643 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
644 build_enumerator, do_case): Likewise.
645 * c-lex.c (parse_float, yylex): Likewise.
646 * c-parse.in: Likewise.
647 * c-typeck.c (common_type, build_array_ref, build_binary_op,
648 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
649 build_c_cast, convert_for_assignment, set_init_index,
650 set_init_label, c_expand_start_case): Likewise.
651 * toplev.c (documented_lang_options, display_help): Likewise.
653 2000-08-08 Kazu Hirata <kazu@hxi.com>
655 * h8300.c: Fix formatting.
656 * h8300.h: Likewise.
657 * h8300.md: Likewise.
658 (movsi_h8300hs): Fix formatting of the resulting assembly code.
660 * reload1.c: Fix formatting.
662 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
664 * alpha/alpha.c (alpha_emit_xfloating_libcall):
665 Use GEN_CALL_VALUE define.
666 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
667 * clipper/clipper.md (untyped_call): Likewise.
668 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
669 * fx80/fx80.md (untyped_call): Likewise.
670 * mips/mips.md (untyped_call): Likewise.
671 * ns32k/ns32k.md (untyped_call): Likewise.
672 * pa/pa.md (untyped_call): Likewise.
673 * romp/romp.md (untyped_call): Likewise.
674 * sparc/sparc.md (untyped_call): Likewise.
676 2000-08-08 Jason Eckhardt <jle@cygnus.com>
678 * config/i860/i860.c (singlemove_string): Do not generate assembler
679 pseudo instructions that must be expanded (that is, with signed
680 constants larger than 16 bits).
682 2000-08-08 Richard Henderson <rth@cygnus.com>
684 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
685 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
686 (init_propagate_block_info): Don't kill memory stores at -O0.
687 (mark_set_1, mark_used_regs): Likewise.
689 2000-08-08 David Edelsohn <edelsohn@gnu.org>
691 * rs6000.c (optimization_options): Decorate 'level' as
692 ATTRIBUTE_UNUSED.
693 (mask64_operand): Remove sign-extend thinko.
694 (rldic_operand): New function.
695 (load_multiple_operation): regno's are unsigned ints.
696 (store_multiple_operation): Likewise.
697 (lmw_operation): Likewise.
698 (stmw_operation): Likewise.
699 (includes_lshift_p): shift_mask is unsigned int.
700 (includes_lshift64_p): New function.
701 (addrs_ok_for_quad_peep): unsigned int reg1.
702 (print_operand): Consistently add "else" after
703 output_operand_lossage().
704 (print_operand, case 'b'): Fold in case 'W'.
705 (print_operand, case 'W'): Print rldic MB value.
706 (output_epilogue): Update Objective-C language string.
707 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
708 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
709 * rs6000.md (ashldi3): Add rldic instruction.
710 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
711 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
712 modifier.
714 2000-08-08 Richard Henderson <rth@cygnus.com>
716 * config/ia64/ia64-protos.h: Remove duplicates. Update
717 for massive code rearrangements.
718 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
719 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
720 (ia64_local_regs, ia64_need_regstk): Remove.
721 (ar_ccv_reg_operand): New.
722 (ia64_gp_save_reg): New.
723 (struct ia64_frame_info): Combine most of the size elements;
724 add new gr save elements.
725 (find_gr_spill): New.
726 (next_scratch_gr_reg): New.
727 (mark_reg_gr_used_mask): New.
728 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
729 to GR backing store regs when possible.
730 (ia64_initial_elimination_offset): New.
731 (ia64_rap_fp_offset): Remove.
732 (save_restore_insns): Remove.
733 (setup_spill_pointers): New.
734 (finish_spill_pointers): New.
735 (spill_restore_mem): New.
736 (do_spill, do_restore): New.
737 (ia64_expand_prologue): Rewrite to use them.
738 (ia64_expand_epilogue): Likewise.
739 (ia64_direct_return): Update for current_frame_info changes.
740 (ia64_function_prologue): Simplify .prologue emission. Emit
741 .spill when needed.
742 (ia64_setup_incoming_varargs): Don't ever emit rtl.
743 (ia64_dbx_register_number): New.
744 (ia64_initialize_trampoline): New.
745 (ia64_secondary_reload_class): Request GR_REGS for integer
746 arithmetic destined for FR_REGS.
747 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
748 (ia64_mark_machine_status): Mark ia64_gp_save.
749 (rws_access_regno): Rename from rws_access_reg; don't treat
750 predicates specially.
751 (rws_access_reg): New. Update all callers.
752 (rtx_needs_barrier): Remove dead unspecs.
753 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
754 (ia64_encode_section_info): Silence signed/unsigned warnings.
755 (spill_offset, sp_offset, spill_offset_emitted): Remove.
756 (tmp_reg, tmp_saved): Remove.
757 (process_set): Rewrite to expect complicated bits via
758 REG_FRAME_RELATED_EXPR.
759 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
760 in the use of ar.ccv; never set RTX_UNCHANGING_P.
761 (ia64_expand_op_and_fetch): Likewise.
762 (ia64_expand_compare_and_swap): Likewise.
763 (ia64_expand_builtin): Likewise.
764 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
765 (FIRST_PSEUDO_REGISTER): Update.
766 (AR_M_REGNO_P): Update.
767 (FIXED_REGS): Don't mark three local registers as used.
768 (EXTRA_CC_MODES): New.
769 (SELECT_CC_MODE): New.
770 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
771 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
772 (FRAME_GROWS_DOWNWARD): Unset.
773 (STARTING_FRAME_OFFSET): Zero.
774 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
775 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
776 (HARD_FRAME_POINTER_REGNUM): New.
777 (CAN_DEBUG_WITHOUT_FP): Define.
778 (TRAMPOLINE_TEMPLATE): Remove.
779 (TRAMPOLINE_SIZE): Lower to 32.
780 (TRAMPOLINE_ALIGNMENT): Lower to 64.
781 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
782 (PREDICATE_CODES): Update.
783 (struct machine_function): Add ia64_gp_save.
784 * config/ia64/ia64.md: Purge unused unspecs.
785 (movsi patterns): Allow moves to/from AR_M_REGS.
786 (movdi patterns): Allow moves to/from p0.
787 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
788 (gr_spill, gr_restore): Indicate ar.unat read/written.
789 (nonlocal_goto): Don't pass old frame_pointer.
790 (nonlocal_goto_receiver): Remove.
791 (exception_receiver): New.
792 (builtin_setjmp_setup): New.
793 (builtin_setjmp_receiver): New.
794 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
795 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
796 (__ia64_restore_stack_nonlocal): Likewise.
797 (__ia64_trampoline): New.
798 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
799 function.
800 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
802 2000-08-08 Richard Henderson <rth@cygnus.com>
804 * frame.h (ia64_frame_state): Add my_psp.
805 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
806 (__throw): Pass it in. Don't clobber r7.
807 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
808 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
809 and nothing to do with sp.
810 (normalize_reg_loc): Use frame->my_psp.
811 (frame_translate): Handle frame-pointer-less functions. Set
812 spill_base correctly, in absence of being told.
813 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
814 (__ia64_backtrace_helper): New sp argument. Use
815 builtin_return_address instead of label addresses.
816 (print_record) [mem_stack_v]: No size member.
818 2000-08-08 Richard Henderson <rth@cygnus.com>
820 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
822 2000-08-08 Richard Henderson <rth@cygnus.com>
824 * tm.texi (LOCAL_REGNO): Document.
825 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
826 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
827 * reload1.c (reload): Likewise when considering nonlocal labels.
829 * config/ia64/ia64.h (LOCAL_REGNO): New.
830 * config/sparc/sparc.h (LOCAL_REGNO): New.
832 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
834 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
836 2000-08-07 Nick Clifton <nickc@redhat.com>
838 * config/mips/mips.c: Fix compile time warning messages.
839 * config/mips/mips-protos.h: Add prototype for equality_op.
841 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
843 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
845 * mn10300.md: Use nonimmediate_operand instead of general_operand
846 on output operands.
848 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
850 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
852 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
853 * sh.c (expand_block_move): Break long lines.
854 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
855 * sh.md (mulsi3): Likewise.
856 (movdi): Adjust spacing.
858 2000-08-07 Richard Henderson <rth@cygnus.com>
860 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
861 * expr.c (emit_group_store): Don't set it.
863 2000-08-07 Kazu Hirata <kazu@hxi.com>
865 * invoke.texi (Options for Debugging Your Program or GCC): Remove
866 duplicate entries for 'w' and 'z'.
868 * flow.c: Fix a comment typo.
870 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
872 * c-parse.in: Changed the language string for Objective-C to "GNU
873 Objective-C".
875 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
877 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
878 to improve the Posix thread support for Objective-C.
880 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
882 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
883 CTI_UNSIGNED_PTRDIFF_TYPE.
884 (signed_size_type_node): Define.
885 (unsigned_ptrdiff_type_node): Define.
886 * c-decl.c (init_decl_processing): Create the
887 signed_size_type_node and unsigned_ptrdiff_type_node types.
888 * c-common.c (T_SC): Define.
889 (T_SST): Define.
890 (T_UPD): Define.
891 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
892 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
893 %s and %p.
894 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
895 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
896 flags for %c, %s and %[.
897 (check_format_info): Only allow leniency for signedness of targets
898 of character pointers (when pedantic) for formats flagged with
899 "c", so for strings but not for %hh formats. When pedantic, don't
900 allow character pointers to substitute for void pointers if a
901 second level of indirection is present.
903 2000-08-06 Kazu Hirata <kazu@hxi.com>
905 * invoke.texi (Options for Debugging Your Program or GCC): Update
906 the names of dump files.
908 * h8300.c (dosize): Rearrange code for conciseness.
909 (split_adds_subs): Likewise.
911 * loop.c: Fix formatting.
913 * dwarf2out.c: Fix formatting.
915 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
917 * expr.c: Fix formatting.
919 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
921 * rs6000.c (rs6000_maybe_dead): Prototype.
923 2000-08-06 Richard Henderson <rth@cygnus.com>
925 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
926 HAVE_nonlocal_goto as well.
927 * config/i960/i960.md (nonlocal_goto): Don't do it here.
928 * config/pj/pj.md (nonlocal_goto): Likewise.
930 2000-08-07 Michael Hayes <mhayes@cygnus.com>
932 * loop.c (try_swap_copy_prop): New function.
933 (load_mems): Rename copies to load_copies and add new regset
934 store_copies. Check for sets of shadow registers and mark
935 in store_copies. Call try_swap_copy_prop for registers
936 marked in store_copies.
938 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
940 * objc/objc-act.c: New command line option -fconstant-string-class
941 to allow specifying a user defined constant string class,
942 different from NXConstantString.
944 * toplev.c: Moved the Objective-C specific options to
945 objc/lang-options.h.
947 * objc/lang-options.h: Moved the Objective-C specific options from
948 toplev.c. Added -fconstant-string-class.
950 2000-08-05 Chris Demetriou <cgd@sibyte.com>
952 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
953 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
954 __CTOR_LIST__ from func_ptr array to just func_ptr, to
955 avoid extra alignment imposed on arrays.
956 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
957 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
959 * mips.h: Clean up comments and spacing near MASKs.
960 (TARGET_UNIX_ASM): Delete.
961 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
962 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
963 values contiguous.
965 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
967 * c-common.c (print_char_table): Add entries for the X/Open '
968 format flag (print decimals with locale's thousands grouping
969 character). Make %C expect wint_t.
970 (check_format_info): If pedantic, warn when the %n$ operand
971 number form is used. Allow for the ' flag; warn about it if
972 pedantic.
974 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
976 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
977 type is a float mode, cfun->decl's return type is not, and
978 TARGET_FLOAT_RETURNS_IN_80387.
980 2000-08-04 Andreas Schwab <schwab@suse.de>
982 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
983 token list, which are always `#' and `pragma'.
985 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
987 * tree.c (tree_expr_nonnegative_p): Move to...
988 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
989 (rtl_expr_nonnegative_p): New.
990 * tree.h: Add prototype for rtl_expr_nonnegative_p.
992 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
993 CONST_DOUBLE_CHAIN: Move to...
994 * rtl.h: ...here. Use XCINT/XCEXP.
996 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
997 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
998 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
999 to VOL_FILES.
1001 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
1003 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1005 * config/c4x/c4x.md (return_indirect_internal): New.
1006 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
1008 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
1010 * c-common.c (time_char_table): Mark up formats added in C99 and
1011 make other corrections. %D and %g were added in C99. %Og is an
1012 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
1013 C99. %e was added in C99. %Oj is an extension. %G and %z are in
1014 C99 rather than GNU extensions, but %OG and %Oz are extensions.
1015 %h was added in C99. %C was added in C99. %OY and %OC are
1016 extensions. Add the C99 format %F.
1017 (check_format_info): If pedantic and not in C99 mode, warn for C99
1018 formats, %E and %O.
1020 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1022 * function.c (schedule_fixup_var_refs): New function, broken out
1023 of put_reg_into_stack.
1024 (put_reg_into_stack): Use it.
1025 (put_var_into_stack): In CONCAT case, fixup up references for
1026 components only after fixing up references to the whole concat.
1028 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
1030 * alias.c (mark_constant_function): Use INSN_P.
1031 (init_alias_analysis): Likewise.
1032 * combine.c (combine_instructions): Use INSN_P.
1033 (can_combine_p): Likewise.
1034 (try_combine): Likewise.
1035 (distribute_notes): Likewise.
1036 (distribute_links): Likewise.
1037 * cse.c (cse_around_loop): Use INSN_P.
1038 (invalidate_skipped_block): Likewise.
1039 (cse_set_around_loop): Likewise.
1040 (cse_end_of_basic_block): Likewise.
1041 (delete_trivially_dead_insns): Likewise.
1042 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
1043 (unshare_all_rtl_1): Likewise.
1044 (next_cc0_user): Likewise.
1045 (try_split make_insn_raw): Likewise.
1046 (remove_unnecessary_notes): Likewise.
1047 * final.c (shorten_branches): Use INSN_P.
1048 (leaf_renumber_regs): Likewise.
1049 (leaf_renumber_regs_insn): Likewise.
1050 * flow.c (find_label_refs): Use INSN_P.
1051 (verify_wide_reg): Likewise.
1052 (notice_stack_pointer_modification): Likewise.
1053 (count_or_remove_death_notes): Likewise.
1054 (verify_flow_info): Likewise.
1055 (clear_log_links): Likewise.
1056 * function.c (fixup_var_refs_insns): Use INSN_P.
1057 (compute_insns_for_mem): Likewise.
1058 * gcse.c (alloc_gcse_mem): Use INSN_P.
1059 (compute_sets): Likewise.
1060 (compute_hash_table): Likewise.
1061 (classic_gcse): Likewise.
1062 (cprop): Likewise.
1063 (insert_insn_end_bb): Likewise.
1064 (delete_null_pointer_checks_1): Likewise.
1065 * global.c (expand_preferences): Use INSN_P.
1066 (build_insn_chain): Likewise.
1067 * graph.c (node_data): Use INSN_P.
1068 * haifa-sched.c (priority): Use INSN_P.
1069 (rm_line_notes): Likewise.
1070 (rm_other_notes): Likewise.
1071 (find_insn_reg_weight): Likewise.
1072 (init_target_units): Likewise.
1073 (schedule_block): Likewise.
1074 (compute_block_forward_dependences): Likewise.
1075 (debug_dependencies): Likewise.
1076 (set_priorities): Likewise.
1077 * integrate.c (function_cannot_inline_p): Use INSN_P.
1078 (save_parm_insns): Likewise.
1079 (copy_insn_list): Likewise.
1080 * jump.c (mark_all_labels): Use INSN_P.
1081 (never_reached_warning): Likewise.
1082 * lcm.c (optimize_mode_switching): Use INSN_P.
1083 * local-alloc.c (validate_equiv_mem): Use INSN_P.
1084 (memref_used_between_p): Likewise.
1085 (update_equiv_regs): Likewise.
1086 (block_alloc): Likewise.
1087 (no_conflict_p): Likewise.
1088 * loop.c (scan_loop): Use INSN_P.
1089 (find_and_verify_loops): Likewise.
1090 (count_loop_regs_set): Likewise.
1091 (loop_reg_used_before_p): Likewise.
1092 (strength_reduce): Likewise.
1093 (recombine_givs): Likewise.
1094 (check_dbra_loop): Likewise.
1095 (load_mems): Likewise.
1096 (try_copy_prop): Likewise.
1097 * print-rtl.c (print_rtx): Use INSN_P.
1098 * recog.c (find_single_use): Use INSN_P.
1099 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
1100 (next_flags_user): Likewise.
1101 (swap_rtx_condition): Likewise.
1102 * regmove.c (mark_flags_life_zones): Use INSN_P.
1103 (optimize_reg_copy_1): Likewise.
1104 (optimize_reg_copy_2): Likewise.
1105 (optimize_reg_copy_3): Likewise.
1106 (reg_is_remote_constant_p): Likewise.
1107 (fixup_match_2): Likewise.
1108 (regmove_optimize): Likewise.
1109 (fixup_match_1): Likewise.
1110 * regrename.c (build_def_use): Use INSN_P.
1111 (replace_reg_in_block): Likewise.
1112 (consider_use): Likewise.
1113 * reload.c (find_equiv_reg): Use INSN_P.
1114 * reload1.c (reload): Use INSN_P.
1115 (maybe_fix_stack_asms): Likewise.
1116 (calculate_needs_all_insns): Likewise.
1117 (reload_as_needed): Likewise.
1118 (emit_output_reload_insns): Likewise.
1119 (delete_address_reloads_1): Likewise.
1120 (reload_cse_regs_1): Likewise.
1121 (reload_combine): Likewise.
1122 (reload_cse_move2add): Likewise.
1123 * reorg.c (redundant_insn): Use INSN_P.
1124 (dbr_schedule): Likewise.
1125 * resource.c (find_dead_or_set_registers): Use INSN_P.
1126 (mark_target_live_regs): Likewise.
1127 * rtlanal.c (reg_used_between_p): Use INSN_P.
1128 (reg_referenced_between_p): Likewise.
1129 (reg_set_between_p): Likewise.
1130 (reg_set_p): Likewise.
1131 (single_set): Likewise.
1132 (multiple_sets): Likewise.
1133 (find_last_value): Likewise.
1134 (reg_set_last): Likewise.
1135 (find_reg_note): Likewise.
1136 (find_regno_note): Likewise.
1137 * sibcall.c (sequence_uses_addressof): Use INSN_P.
1138 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
1139 * ssa.c (find_evaluations): Use INSN_P.
1140 (rename_block): Likewise.
1141 (rename_equivalent_regs): Likewise.
1142 * unroll.c (loop_find_equiv_value): Use INSN_P.
1143 (set_dominates_use): Likewise.
1144 * varasm.c (mark_constant_pool): Use INSN_P.
1145 (mark_constants): Likewise.
1146 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
1147 (alphaev4_next_group): Likewise.
1148 (alphaev5_next_group): Likewise.
1149 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
1150 (c4x_rptb_rpts_p): Likewise.
1151 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
1152 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
1153 (rs6000_adjust_priority): Likewise.
1154 * config/sh/sh.c (sh_loop_align): Use INSN_P.
1155 (machine_dependent_reorg): Likewise.
1156 (split_branches): Likewise.
1157 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
1159 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
1161 * combine.c (recog_for_combine): Remove the old notes
1162 prior to attempting to recognize the new pattern.
1163 (distribute_notes): Ignore REG_NONNEG notes.
1165 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
1167 * varasm.c (output_constructor): Add .align 0 for packed vars.
1169 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1171 * configure.in: Use default thread_file even when enable_threads is
1172 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
1173 * configure: Rebuilt.
1175 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
1177 2000-08-04 Donn Terry (donnte@microsoft.com)
1179 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
1181 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
1183 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
1184 Delete code that conditionally modifies 'version'.
1185 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
1186 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
1187 * gcc.c (main): Use it.
1188 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
1189 * prefix.c (update_path): Use it.
1190 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
1191 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
1192 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
1193 code.
1194 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
1195 (SUBTARGET_SWITCHES): Adjust.
1196 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
1197 defining.
1198 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
1200 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
1202 * c-common.h (flag_isoc94): Declare.
1203 * c-decl.c (flag_isoc94): Define.
1204 (c_decode_option): Set flag_isoc94 as appropriate.
1205 * c-common.c (T_PD, T_IM, T_UIM): Define.
1206 (format_char_info): Add tlen and jlen.
1207 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
1208 %F. Allow %lf.
1209 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
1210 %l[.
1211 (time_char_table): Add NULL entries for %t and %j.
1212 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
1213 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
1214 Warn for printf %lf if pedantic and not C99. Don't warn for empty
1215 precision. Allow precision argument to be unsigned int. If
1216 pedantic, warn for %p passed an argument not a pointer to possibly
1217 qualified void or a possibly qualified character type, and for
1218 pointer targets of the wrong sign, except for character pointers.
1220 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
1222 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
1223 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
1224 (wint_type_node): Define.
1225 * c-decl.c (WINT_TYPE): Define.
1226 (init_decl_processing): Create the wint_type_node type.
1227 * c-common.c (T_WI): Define.
1228 (print_char_table): Use T_WI for %lc format.
1230 2000-08-04 Bruce Korb <bkorb@gnu.org>
1232 * fixinc/: Verified that the MSDOS patch does not break
1233 the UNIX functionality and applied the next three patches
1234 from July:
1236 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
1238 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
1239 output file with the temporary one by appending ".X" to generate
1240 the temporary fuile's name. If the output file already has an
1241 extension, replace it with ".X".
1243 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
1244 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
1245 reallocate the command buffer while copying the command-line
1246 argument. Redirect the output directly to the temporary file,
1247 instead of going through another temporary file.
1248 (process): Close the temporary file before unlinking it.
1249 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
1250 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
1251 (run_compiles): Pass p_fixd argument to machine_matches, as it
1252 expects.
1254 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
1255 environment, assume there are no symlinks in the include
1256 directory. When cleaning up the DONE files, look for them
1257 case-insensitively. Don't try to remove symlinks if they aren't
1258 there.
1260 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
1261 all callers changed. Declare pz "const char *", to avoid compiler
1262 warnings.
1264 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
1265 Change prototype of make_raw_shell_str.
1267 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
1269 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
1270 (initialize) [__MSDOS__]: Use tempnam.
1271 (initialize): Don't use SIGPIPE if it is not defined.
1273 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
1274 return stdout.
1276 2000-07-25 Bruce Korb <bkorb@gnu.org>
1278 * fixinc/fix*.[ch]: substantially reworked to make it possible
1279 to run this program without using fork(2) or pipe(2) (i.e. in
1280 a DOS environment).
1282 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
1284 * cppdefault.h (WINT_TYPE): Define.
1285 * cppinit.c (builtin_array): Define __WINT_TYPE__.
1286 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
1287 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
1289 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
1291 * (mips_legitimate_address_p): Don't allow register+offset
1292 if the offset is large and negative, and we are compiling
1293 for 64 bit registers.
1295 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1297 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
1298 insn_code_number + 1.
1300 2000-08-04 Kazu Hirata <kazu@hxi.com>
1302 * h8300.c (function_prologue): Rearrange code for conciseness.
1303 (function_epilogue): Likewise.
1304 * h8300.h (OK_FOR_U): Fix formatting.
1306 * cse.c: Fix a comment typo. Fix formatting.
1308 2000-08-03 Richard Henderson <rth@cygnus.com>
1310 * config/i386/i386.md (return_indirect_internal): New.
1311 * config/i386/i386.c (ix86_expand_epilogue): Use it.
1313 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
1315 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
1316 before the name.
1317 (lex_line): Glue @ onto the beginning of identifiers and
1318 string constants, in Objective-C mode.
1319 (output_token, spell_token): Handle CPP_OSTRING.
1320 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
1321 beginning of a NAME or a STRING, in objc mode.
1323 * cpplib.c (get_define_node): Do not permit identifiers that
1324 begin with @ to be #defined.
1325 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
1326 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
1328 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
1329 * c-tree.h (build_objc_string): Delete prototype.
1330 * objc/objc-tree.def: Delete OBJC_STRING_CST.
1331 * c-lex.c (yylex): Use build_string for all three kinds of strings.
1333 * c-parse.in, objc/objc-act.c: Update commentary.
1335 2000-08-03 Mark Mitchell <mark@codesourcery.com>
1337 * extend.texi: Fix typo in last change.
1339 * extend.texi: Add commentary on statement-expressions and their
1340 interactions with C++.
1342 2000-08-03 Nick Clifton <nickc@cygnus.com>
1344 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
1345 * dwarf.h (LANG_JAVA): Change value to 0x000b.
1347 2000-08-03 Anthony Green <green@cygnus.com>
1349 * dwarf2out.c (gen_compile_unit_die): Add java language support.
1350 (add_bound_info): Check for java language.
1351 (is_java): New function.
1352 * dwarfout.c (output_compile_unit_die): Ditto.
1353 * dwarf.h (dwarf_source_language): Add java source language type.
1354 * dwarf2.h (dwarf_source_language): Ditto.
1356 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
1358 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
1359 operands.
1361 * i386.c (ix86_expand_branch): Mode of comparison in
1362 IF_THEN_ELSE is VOIDmode.
1364 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
1366 * gengenrtl.c, rtl.c: Avoid #elif.
1368 2000-08-03 Michael Poole <poole@troilus.org>
1370 * tm.texi (Register Classes): Clarify order of sub-initializers
1371 in REG_CLASS_CONTENTS.
1373 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1375 From SAITOH Masanobu:
1376 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
1378 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
1380 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
1381 is not supported by tradcpp and isn't actually needed for cygwin.
1383 2000-08-03 Kazu Hirata <kazu@hxi.com>
1385 * h8300.c: Fix a comment typo.
1386 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
1388 * jump.c: Fix formatting.
1390 * toplev.c: Fix formatting.
1392 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
1394 * flow.c (find_auto_inc): Verify that we've got a REG before
1395 peeking at its regno. Fail, don't abort if we can't find
1396 the increment of the desired register.
1398 * pa.md (shadd height reduction patterns/splitters): Remove.
1400 2000-08-02 Jim Wilson <wilson@cygnus.com>
1402 * config/ia64/ia64-protos.h (flag_ssa): Declare.
1403 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
1405 2000-08-02 Mark Mitchell <mark@codesourcery.com>
1407 * dce.c: Remove all uses of assert.
1408 * dwarf2out.c: Likewise.
1409 * dwarfout.c: Likewise.
1410 * ssa.c: Likewise.
1412 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
1414 * gcc.h (lang_specific_driver): Constify second argument.
1415 * gcc.c (translate_options, process_command, main): Likewise.
1416 Constify variables to match. Cast second argument to
1417 pexecute.
1419 * cppspec.c, gccspec.c: Adjust type of second argument to
1420 lang_specific_driver, and update code as necessary.
1422 2000-08-02 Jakub Jelinek <jakub@redhat.com>
1424 * loop.c (scan_loop): Ensure update_end label does not
1425 go away until reg_scan_update is run.
1427 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
1429 * c-common.h: Prototype min_precision and c_build_qualified_type here...
1430 * c-tree.h: ... not here.
1431 * errors.h: Prototype fancy_abort.
1433 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
1434 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
1435 * regrename.c (regrename_optimize): Make control flow explicit.
1436 (replace_reg_in_block): Initialize reg_use to 0.
1438 * i386.c (legitimate_address_p): Rename error label to
1439 report_error to avoid namespace clash.
1441 2000-08-02 Kazu Hirata <kazu@hxi.com>
1443 * fold-const.c: Fix formatting.
1445 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
1447 * i386.c (legitimate_address_p): Accept other bases than
1448 pic_offset_table_rtx for GOTOFF constructs.
1450 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
1452 * i386.md (shift to lea splitter): Use const_int_operand.
1454 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
1456 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
1457 cppspec.c: Do not use 'legal' or 'illegal' in error messages
1458 and comments.
1460 * cppmain.c (cb_define, cb_undef): Don't generate any output
1461 if not done_initializing.
1462 * cpplex.c (maybe_paste_with_next): When the token after a ##
1463 is an omitted rest argument, only delete the token before it
1464 if that token is a comma. Do not warn about bogus token
1465 pastes for , ## rest_arg.
1467 * cpp.texi: Update.
1468 * cpp.1: Regenerate.
1470 2000-08-02 Fred Fish <fnf@be.com>
1472 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
1473 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
1474 and later.
1476 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
1477 Be directories to search path.
1479 Remove support for __declspec(dllimport) and __declspec(dllexport).
1480 This is leftover cruft from the earlier BeOS gcc port when BeOS
1481 used Microsoft's PE object file format.
1482 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
1483 * config/i386/t-beos (winnt.o): Remove Makefile frag.
1484 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
1485 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
1486 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
1487 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
1488 (REDO_SECTION_INFO_P): Remove.
1489 (ASM_EXPORT_DECL): Remove.
1490 (ASM_DECLARE_FUNCTION_NAME): Remove.
1491 (ASM_DECLARE_OBJECT_NAME): Remove.
1492 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
1493 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
1494 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
1495 (STRIP_NAME_ENCODING): Remove.
1497 Remove support for obsolete version of BeOS that is no longer
1498 supported by Be.
1499 * configure.in (i*86-*-beospe*): Remove.
1500 * config/i386/beos-pe.h: Remove.
1502 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
1503 Mark Mitchell <mark@codesourcery.com>
1505 * Makefile.in (OBJS): Added dce.o.
1506 (ssa.o): Updated target to include ssa.h.
1507 (flow.o): Likewise.
1508 (toplev.o): Likewise.
1509 (dce.o): Created target.
1510 * basic-block.h: Added comments.
1511 (INVALID_BLOCK): Added definition.
1512 (connect_infinite_loops_to_exit): Added declaration.
1513 Moved SSA declarations to ssa.h.
1514 * flow.c: Added inclusion of ssa.h.
1515 (struct depth_first_search_dsS, depth_first_search_ds):
1516 Added definitions.
1517 (compute_immediate_postdominators): Added definition.
1518 (connect_infinite_loops_to_exit): Likewise.
1519 (flow_dfs_compute_reverse_init): Likewise.
1520 (flow_dfs_compute_reverse_add_bb): Likewise.
1521 (flow_dfs_compute_reverse_execute): Likewise.
1522 (flow_dfs_compute_reverse_finish): Likewise.
1523 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
1524 (LABEL_P): Added definition.
1525 (JUMP_P): Likewise.
1526 (NOTE_P): Likewise.
1527 (BARRIER_P): Likewise.
1528 (JUMP_TABLE_DATA_P): Likewise.
1529 (INSN_DEAD_CODE_P): Likewise.
1530 * ssa.c: Replaced inclusions with ssa.h inclusion.
1531 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
1532 (rename_registers): Removed unnecessary variables.
1533 * ssa.h: Created by moving declarations from ssa.c and
1534 basic-block.h.
1535 * timevar.def: Defined TV_DEAD_CODE_ELIM.
1536 * toplev.c: Added ssa.h inclusion.
1537 (dump_file_index): Added DFI_dce.
1538 (dump_file): Added "dce" entry.
1539 Defined flag_ssa.
1540 (f_options): Added dce entry.
1541 * invoke.texi: Document -fdce. Emphasize experimental status of
1542 -fssa.
1543 * dce.c: New file.
1545 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
1547 * cpperror.c (v_message): Split into _cpp_begin_message and
1548 v_message macro. All callers updated.
1549 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
1550 checks here.
1552 * cppfiles.c (cpp_syshdr_flags): New function.
1553 (read_include_file): Don't call cpp_output_tokens. Call
1554 enter_file hook.
1555 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
1556 (cpp_reader_init): Don't initialize token_buffer. Call
1557 _cpp_init_internal_pragmas.
1558 (cpp_cleanup): Don't clear token_buffer.
1559 (cpp_start_read): Don't worry about output from -D processing.
1560 Don't call cpp_output_tokens.
1561 (cpp_finish): Don't dump macros here. Don't call
1562 cpp_output_tokens.
1563 * cppmacro.c (_cpp_dump_definition): Rename
1564 cpp_dump_definition. Write directly to a FILE *.
1565 (dump_funlike_macro): Delete.
1566 (dump_macro_args): New.
1568 * cpplex.c (TOKEN_LEN): Convert to inline function.
1569 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
1570 cpp_scan_line, _cpp_dump_list): Delete.
1571 (cpp_printf, cpp_output_list): New.
1572 (output_line_command): Don't worry about entering or leaving files.
1573 (cpp_scan_buffer): Just output each token as we hit it.
1574 (process_directive): Don't call cpp_output_tokens.
1575 (_cpp_glue_header_name): Don't use token_buffer.
1576 (output_token, dump_param_spelling): Write directly to a FILE *.
1578 * cpplib.c (pass_thru_directive, dump_macro_name,
1579 pragma_dispatch, do_pragma_gcc): Delete.
1580 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
1581 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
1582 functions.
1583 (do_error, do_warning, pragma_dependency): Call
1584 _cpp_begin_message, then cpp_output_list.
1585 (cpp_register_pragma, cpp_register_pragma_space,
1586 _cpp_init_internal_pragmas): New.
1587 (do_pragma): Walk the pragmas table here.
1588 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
1589 do_pragma_dependency): Return void.
1590 (do_pragma_implementation): Moved to cppmain.c.
1592 * cpplib.h: Update prototypes.
1593 (struct cpp_reader): Remove printer, token_buffer,
1594 token_buffer_size, and limit. Add struct cb, and pragmas.
1595 (struct cpp_printer): Remove last_id and written.
1596 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
1597 CPP_ADJUST_WRITTEN): Delete.
1598 * cpphash.h: Update prototypes.
1599 (ufputs): New wrapper.
1601 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
1602 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
1603 (main): Set up callbacks. Register #pragma implementation.
1604 Dump macros from here.
1606 2000-08-01 Geoff Keating <geoffk@cygnus.com>
1608 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
1609 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
1610 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
1611 insns if they have a REG_MAYBE_DEAD note attached.
1612 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
1613 (rs6000_emit_load_toc_table): TOC loads may go dead.
1615 2000-08-01 Jim Wilson <wilson@cygnus.com>
1617 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
1618 type exists before using it. Use number of words as alignment
1619 otherwise.
1620 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
1621 ia64_va_arg): Propagate ia64_function_args changes here.
1623 2000-08-01 Richard Henderson <rth@cygnus.com>
1625 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
1626 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1628 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
1630 From Joern Rennecke:
1631 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
1632 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
1633 unless TARGET_SH3E is set.
1634 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
1636 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
1637 (ashlsi3_std): New pattern.
1638 (ashlsi3 expander): Use it for TARGET_SH3.
1639 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
1641 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
1643 * loop.c (canonicalize_condition): Use destination, not source to
1644 determine SET's mode.
1646 2000-07-31 Mark Mitchell <mark@codesourcery.com>
1648 * flow.c (clear_log_links): Fix typo.
1650 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
1652 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
1653 on targets which need more than one insn for a compare/cbranch
1654 operation.
1656 2000-07-31 Jim Wilson <wilson@cygnus.com>
1658 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
1659 when computing offset.
1661 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
1663 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
1665 2000-07-31 Geoff Keating <geoffk@cygnus.com>
1667 * flow.c (clear_log_links): Nuke global_live_at_start and
1668 global_live_at_end data, since if the log_links stuff is invalid
1669 so is global_live_at_*.
1671 2000-07-31 Richard Henderson <rth@cygnus.com>
1673 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
1675 2000-07-31 Jakub Jelinek <jakub@redhat.com>
1677 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
1678 (_cpp_get_token): Don't macro expand a just pasted token if it
1679 was pasted at no_expand_level.
1681 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
1683 * cppmacro.c (find_param, count_params, save_expansion):
1684 Permit 'defined' as a macro parameter name.
1686 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
1688 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
1689 xcpp to cpp throughout.
1690 (native): Remove unnecessary dependency on cpp.
1692 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
1693 tradcpp to tradcpp0.
1694 (.i spec): Add missing output-file spec to cc1 command line.
1695 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
1697 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
1699 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
1700 (implicit_decl_warning): New function.
1701 (implicitly_declare): Use it.
1702 * c-typeck.c (build_external_ref): Use implicit_decl_warning
1703 to complain about implicit decls of builtins.
1705 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
1706 based on pedantic && flag_isoc99, if not already set.
1707 * c-tree.h: Declare mesg_implicit_function_declaration.
1708 Prototype implicit_decl_warning.
1710 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
1712 * Makefile.in (ssa.o): Updated header files in dependences.
1713 * basic-block.h: Added compute_immediate_postdominators declaration.
1714 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
1715 definition.
1716 * flow.c (compute_immediate_dominators): Updated comment.
1717 (compute_immediate_postdominators): Added definition.
1718 * rtl.h (HARD_REGISTER_P): Added definition.
1719 * ssa.c: Include additional header files.
1720 (assert): Added definition.
1721 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
1722 include select hard registers.
1723 (ssa_rename_to_insert): Likewise.
1724 (ssa_rename_from_initialize): Likewise.
1725 (ssa_rename_from_lookup): Likewise.
1726 (original_register): Likewise.
1727 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
1728 include select hard reigsters.
1729 (ssa_rename_from_traverse): Likewise.
1730 (ssa_rename_from_free): Likewise.
1731 (ssa_rename_from_print): Likewise.
1732 (ssa_rename_from_print_1): Likewise.
1733 (ssa_rename_from_hash_function): Likewise.
1734 (ssa_rename_from_equal): Likewise.
1735 (ssa_rename_from_delete): Likewise.
1736 (simplify_to_immediate_dominators): Removed in favor of
1737 flow.c:compute_immediate_dominators.
1738 (find_evaluations_1): Modified to work with hard registers.
1739 (insert_phi_node): Likewise.
1740 (insert_phi_nodes): Likewise.
1741 (struct rename_set_data): Updated prev_reg comment.
1742 (create_delayed_rename): Modified to work with hard registers.
1743 (RENAME_NO_RTX): Updated comment.
1744 (apply_delayed_renames): Modified to work with hard registers.
1745 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
1746 (rename_block): Updated to use revised ssa_rename_to interface.
1747 (rename_registers): Updated to use revised ssa_rename_to and
1748 ssa_rename_from interface.
1749 (convert_to_ssa): Revised to use compute_immediate_dominators and
1750 deal with hard registers.
1751 (make_regs_equivalent_over_bad_edges): Modified to work with hard
1752 registers. Added check for illegal unification of hard register.
1753 (make_equivalent_phi_alternatives_equivalent): Modified to work
1754 with hard registers.
1755 (compute_conservative_reg_partition): Likewise.
1756 (coalesce_if_unconflicting): Modified to work with hard registers
1757 and check for conflicting hard registers.
1758 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
1759 registers.
1760 (rename_equivalent_regs_in_insn): Modified to work with hard
1761 registers.
1762 (record_canonical_element_1): Added definition.
1763 (check_hard_regs_in_partition): Added definition.
1764 (convert_from_ssa): Added data structure deallocation and check
1765 for illegal hard register unification.
1766 (conflict_hard_regs_p): Added definition.
1767 * toplev.c (rest_of_compilation): Added comment.
1769 2000-07-31 Anthony Green <green@redhat.com>
1771 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
1773 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
1775 * builtins.c (expand_builtin_apply): Don't defer pop during
1776 argument setup.
1778 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1780 * calls.c (combine_pending_stack_adjustment_and_call): Only use
1781 preferred_unit_stack_boundary when it is > 1.
1783 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
1785 * c-common.c (init_function_format_info): Add C99 format functions
1786 in C99 mode.
1788 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
1789 void' or 'register void' as being the special case of 'void' alone
1790 in a parameter list.
1792 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
1793 discarding qualifiers into a plain warning.
1795 2000-07-31 Kazu Hirata <kazu@hxi.com>
1797 * combine.c: Fix formatting.
1799 * h8300.md: Fix formatting.
1801 * local-alloc.c: Fix formatting.
1803 * h8300.c (get_shift_alg): Remove the variable alg.
1804 (emit_a_shift): Rearrange code to improve readability.
1806 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
1808 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
1809 HImode on all architectures and a combination of HImode and SImode
1810 on H8/300H and H8/S.
1812 * h8300.c (split_adds_subs): Rearrange code for conciseness.
1814 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
1816 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
1817 in my last checkin.
1819 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
1821 * recog.c (extract_insn): Set operand_mode according to
1822 operand if match_operand is VOIDmode.
1824 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
1826 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
1828 2000-07-31 Geoff Keating <geoffk@cygnus.com>
1830 * c-parse.in (extdefs): Call ggc_collect between external
1831 definitions.
1833 2000-07-30 Michael Hayes <mhayes@cygnus.com>
1834 Richard Henderson <rth@cygnus.com>
1836 * Makefile.in (OBJS): Add doloop.o.
1837 * doloop.c: New file.
1839 * final.c (insn_current_reference_address): Return 0 before final.
1840 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
1841 * jump.c (any_uncondjump_p): Likewise.
1842 * loop.c (indirect_jump_in_function): Make static.
1843 (strength_reduce): Call doloop_optimize.
1844 (insert_bct, instrument_loop_bct): Remove.
1845 * loop.h (doloop_optimize): Prototype.
1846 * recog.c (split_all_insns): Split all INSN_P.
1847 * toplev.c (flag_branch_on_count_reg): Default on.
1849 * config/c4x/c4x.c (c4x_optimization_options): Don't set
1850 flag_branch_on_count_reg.
1851 * config/i386/i386.c (override_options): Likewise.
1852 * config/rs6000/rs6000.c (optimization_options): Likewise.
1854 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
1855 (doloop_end): New.
1856 (dbra_ge): Remove, as well as all it's splitters.
1858 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
1859 (doloop_end): New.
1861 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
1862 (ia64_register_move_cost): Declare.
1863 * config/ia64/ia64.c (ar_lc_reg_operand): New.
1864 (struct ia64_frame_info): Add ar_size.
1865 (ia64_compute_frame_size): Set it.
1866 (save_restore_insns): Save and restore ar.lc.
1867 (ia64_register_move_cost): New, moved from header file. Handle
1868 application registers.
1869 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
1870 (emit_insn_group_barriers): Special case doloop_end_internal.
1871 (ia64_epilogue_uses): Mark ar.lc live at end.
1872 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
1873 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
1874 (FIRST_PSEUDO_REGISTER): Make room.
1875 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
1876 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
1877 (REG_ALLOC_ORDER): Update.
1878 (HARD_REGNO_MODE_OK): Update.
1879 (REGISTER_NAMES): Update.
1880 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
1881 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
1882 (REGNO_REG_CLASS): Update.
1883 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
1884 (REGISTER_MOVE_COST): Move out of line.
1885 (PREDICATE_CODES): Update.
1886 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
1887 (addsi3_plus1_alt, adddi3_plus1_alt): New.
1888 (shladd_elim splitter): Allow constants in the predicate.
1889 (doloop_end, doloop_end_internal): New.
1891 2000-07-30 Richard Henderson <rth@cygnus.com>
1893 * genattrtab.c (struct insn_def): Add lineno member.
1894 (struct insn_ent): Likewise.
1895 (struct attr_desc): Likewise.
1896 (struct delay_desc): Likewise.
1897 (struct function_unit_op): Likewise.
1898 (struct function_unit): Likewise.
1899 (check_attr_value): Use message_with_line.
1900 (check_defs): Likewise.
1901 (expand_units): Likewise.
1902 (check_attr_test): Take a lineno argument.
1903 (gen_attr): Likewise.
1904 (gen_insn): Likewise.
1905 (gen_delay): Likewise.
1906 (gen_unit): Likewise.
1907 (main): Give it to them.
1908 (convert_set_attr_alternative): Take an insn_def argument
1909 instead of num_alt and insn_index.
1910 (convert_set_attr): Likewise.
1911 (write_test_expr): Protect INSN_ADDRESSES load
1912 with INSN_ADDRESSES_SET_P.
1914 2000-07-30 Richard Henderson <rth@cygnus.com>
1916 * flow.c (init_propagate_block_info): Use pc_set.
1918 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
1920 * i386.md (*lea_general_[123]) New insns and splits.
1921 (addsi3 to lea splitter): Handle other modes too.
1922 (shlsi3 to lea splitter): Likewise.
1923 (addhi_1_lea, shlhi_1_lea): New patterns.
1924 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
1926 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
1928 * recog.c (general_operand, nonimmediate_operand): Accept
1929 any mode for VOIDmode CONSTANT_P operands.
1931 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
1933 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
1934 instead of replace_rtx.
1935 * recog.c (validate_replace_rtx_subexp): New function.
1936 * recog.h (validate_replace_rtx_subexp): Declare.
1938 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
1940 * combine.c (simplify_set, make_extraction, make_compound_operation
1941 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
1942 as force_to_mode argument.
1944 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
1946 * combine.c (if_then_else_cond): Be sure that mode fits in
1947 HOST_WIDE_INT.
1949 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1951 * combine.c (record_promoted_value): Allow bitsize of mode
1952 to be equivalent to HOST_BITS_PER_WISE_INT.
1954 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
1956 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
1957 Do not call gen_mode_alignment when mode is BLKmode.
1959 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
1961 * loop.c (express_from_1): Fix call of simplify_gen_binary.
1963 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
1965 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
1966 VOIDmode implies both operands to be VOIDmode.
1967 (simplify_ternary_operation): Compute properly the mode of comparison.
1968 * combine.c (combine_simplify_rtx): Likewise.
1970 2000-07-25 Michael Hayes <mph@paradise.net.nz>
1972 * basic-block.h (struct loops): New field rc_order.
1973 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
1974 (flow_loops_free): Free rc_order.
1975 (flow_depth_first_order_compute): New parameter rc_order.
1976 (flow_loops_find): Allocate rc_order and swap usage with
1977 dfs_order.
1979 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1980 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1982 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
1983 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
1984 (nodb_call, return_from_epilogue): Likewise.
1985 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
1986 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
1987 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
1988 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
1989 (c4x_valid_type_attribute_p): Likewise.
1990 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
1991 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
1993 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1995 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
1996 and loadhi_big_constant if applicable.
1997 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
1998 and add new splitter.s
2000 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2002 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
2004 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2006 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
2008 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2010 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
2012 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2014 * config/c4x/libgcc.S (divqf3): Improve accuracy.
2016 2000-07-27 Mark Mitchell <mark@codesourcery.com>
2018 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
2019 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
2020 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
2021 (get_prev_bb_note): Likewise.
2022 (remove_scope_notes): Likewise.
2023 * flow.c (commit_one_edge_insertion): Likewise.
2024 (merge_blocks_nomove): Likewise.
2025 (verify_flow_info): Likewise.
2026 * gcse.c (insert_insn_end_bb): Likewise.
2027 * reg-stack.c (emit_swap_insn): Likewise.
2028 * ssa.c (first_insn_after_basic_block_note): New function.
2029 (insert_phi_node): Use it.
2030 (rename_block): Likewise.
2031 (eliminate_phi): Likewise.
2032 (make_regs_equivalent_over_bad_edges): Likewise.
2033 (make_equivalent_phi_alternatives_equivalent): Likewise.
2034 (for_each_successor_phi): Likewise.
2035 (convert_from_ssa): Modify phi-node deletion algorithm.
2037 2000-07-29 Andreas Jaeger <aj@suse.de>
2039 * configure.in (mips*-*-linux*): Use mips*el to check for little
2040 endian MIPS, add tmake_file.
2042 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
2043 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
2044 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
2046 2000-07-28 Richard Henderson <rth@cygnus.com>
2048 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
2049 Sign extend mode size before negating.
2051 2000-07-28 Richard Henderson <rth@cygnus.com>
2053 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
2055 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
2057 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
2058 (cse_insn): Likewise.
2059 (addr_affects_sp_p): Likewise.
2060 * expr.c (move_by_pieces): Likewise.
2061 (clear_by_pieces): Likewise.
2062 * gcse.c (oprs_unchanged_p): Likewise.
2063 * haifa-sched.c (sched_analyze_2): Likewise.
2064 * recog.c (offsettable_address_p): Likewise.
2065 * regclass.c (record_address_regs): Likewise.
2066 * reload.c (find_reusable_reload): Likewise.
2067 (push_reload): Likewise.
2068 (operands_match_p): Likewise.
2069 (decompose): Likewise.
2070 (find_reloads_address_1): Likewise.
2071 (find_inc_amount): Likewise.
2072 * reload1.c (elimination_effects): Likewise.
2073 * resource.c (mark_set_resources): Likewise.
2074 * flow.c (attempt_auto_inc): New function; mostly broken out
2075 of find_auto_inc.
2076 (find_auto_inc): Split into two functions and enhanced to
2077 generate POST_MODIFY.
2078 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
2079 * rtl.h (count_all_occurrences): Declare.
2080 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
2081 defined.
2082 * rtlanal.c (count_all_occurrences): New function.
2083 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
2084 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
2086 * config/ia64/ia64-protos.h (destination_operand): Declare.
2087 * config/ia64/ia64.c (destination_operand): New function.
2088 (ia64_print_operand): Handle POST_MODIFY.
2089 (rtx_needs_barrier): Likewise.
2090 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
2091 (HAVE_POST_MODIFY_REG): Define to 1.
2092 (MAX_REGS_PER_ADDRESS): Change to 2.
2093 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
2094 (LEGITIMATE_ADDRESS_REG): New helper macro.
2095 (LEGITIMATE_ADDRESS_DISP): Likewise.
2096 (PREDICATE_CODES): Add entry for destination_operand.
2097 * config/ia64/ia64.md (all mov patterns): Use destination_operand
2098 predicate for operand 0.
2100 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2102 * dwarf2out.c: Indent #error directive.
2104 * gbl-ctors.h: Fix typo in comment.
2105 (__do_global_ctors): Prototype.
2107 * gcse.c (record_one_set, pre_delete): Remove unused variables.
2109 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
2110 (print_operand): Initialize variable `t'.
2112 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
2114 * config/arm/arm.md ("call_value"): removed constraints.
2115 Constraints are ignored in expanders.
2116 (*call_value_reg): split =rf into various constraints.
2117 (*call_value_mem): same
2118 (*call_value_symbol): same
2119 (*sibcall_value_insn): same
2121 2000-07-28 Philipp Thomas <pthomas@suse.de>
2123 * install.texi (--enable-nls): Change the description of the NLS
2124 related configure options to match the current state.
2125 (--with-included-gettext): Likewise.
2126 (--enable-maintainer-mode): New description added.
2127 * extend.texi (-fstrict-prototype): Add missing '.'.
2129 2000-07-27 Jim Wilson <wilson@cygnus.com>
2131 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
2132 DECL_INITIAL (decl) == NULL_TREE.
2134 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
2136 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
2137 on insn-attr.h with it.
2138 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
2139 * insn-addr.h: New header.
2140 (insn_addresses_): Renamed from insn_addresses.
2141 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
2142 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
2143 INSN_ADDRESSES_NEW): New macros.
2144 * genattrtab.c (write_test_expr): Use new macros.
2145 * final.c (insn_addresses, init_insn_lengths): Likewise.
2146 (align_fuzz, shorten_branches): Likewise.
2147 (final): Likewise. Do not reject new insns if their addresses
2148 have been added to INSN_ADDRESSES.
2149 * config/arm/arm.c, config/avr/avr.c: Use new macros.
2150 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
2151 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
2152 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
2153 * config/sh/sh.c: Likewise.
2154 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
2156 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
2158 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
2160 * gcc.c (struct prefix_list): Add member priority.
2161 (enum path_prefix_priority): Declare.
2162 (add_prefix): Replace ``first'' with ``priority''. Append new
2163 entry but keep list in priority order.
2164 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
2165 PREFIX_PRIORITY_LAST to add_prefix.
2166 (process_command): Move include kludge - foo/stageN - to before
2167 foo/include.
2169 2000-07-27 Jason Merrill <jason@redhat.com>
2171 * dwarf2out.c (gen_typedef_die): Abort if we get identical
2172 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
2174 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
2176 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
2177 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
2179 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
2181 * c-decl.c (finish_function): Don't treat 'main' specially unless
2182 flag_hosted. In C99 mode, return 0 from 'main' unless
2183 DEFAULT_MAIN_RETURN is otherwise defined.
2185 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
2186 parameters defaulting to int in an old-style function definition.
2188 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2190 * c-parse.in (string): For -Wtraditional, warn about string
2191 concatenation only once per line.
2193 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
2195 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
2196 for HI-UX/WE2 systems.
2198 2000-07-24 Bruce Korb <bkorb@gnu.org>
2200 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
2201 defining the __xxx_TYPE__ macros.
2202 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
2203 * fixincl/fixlib.h: don't need to include "tm.h" anymore
2204 * fixincl/inclhack.def(type_map): now obsolete
2206 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
2208 * cpp.texi: Append a trailing full-stop to xrefs where needed.
2210 2000-07-26 Dave Pitts <dpitts@cozx.com>
2212 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
2213 routine constants.
2214 (mvs_hash_alias): New function.
2215 (mvs_add_alias): Change argument spacing.
2216 (mvs_need_alias): Change aliasing criteria. Added documentation.
2217 (mvs_get_alias): Change to use hashed name. The hashed name prevents
2218 CSECT name collisions.
2219 (mvs_check_alias): Likewise.
2220 (handle_pragma): Change documentation.
2221 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
2222 mode from SImode to DImode.
2223 (iorhi3): Changed LTORG size for insn.
2225 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
2227 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
2228 mem if the address is a mode_dependent_address_p.
2230 2000-07-26 Kazu Hirata <kazu@hxi.com>
2232 * h8300.c (print_operand): Print ":8" when the 'R' operand is
2233 suitable for 8-bit absolute.
2234 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
2235 (OK_FOR_U): Add a case for the 8-bit constant address on the
2236 H8/300H.
2238 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
2240 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
2241 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
2242 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
2243 lack of implemented alignment.
2245 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
2247 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
2248 cross-compiling between 64-bit and 32-bit machines.
2250 2000-07-27 Richard Henderson <rth@cygnus.com>
2252 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
2253 (movhicc_astep, movhi_internal_astep): New.
2254 (movsicc_astep, movsi_internal_astep): New.
2255 (movdicc_astep, movdi_internal_astep): New.
2256 (movsfcc_astep, movsf_internal_astep): New.
2257 (movdfcc_astep, movdf_internal_astep): New.
2258 (movxfcc_astep, movxf_internal_astep): New.
2259 (cmovdi_internal_astep, cmovsi_internal_astep): New.
2260 Unify the cmov[ds]i splitters.
2262 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
2264 * real.c (asctoeg): Rename `error' label to unexpected_char_error
2266 2000-07-26 Nick Clifton <nickc@cygnus.com>
2268 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
2269 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
2271 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
2272 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
2274 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
2276 * c-decl.c (finish_enum): Convert enumerations that fit in an
2277 `int' to `int'.
2278 (build_enumerator): In pedantic mode, cast to `int' those that
2279 don't.
2281 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
2283 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
2285 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2287 * sh.md (cmpgtdi_t): Must be split.
2288 (cmpgtdi_t+1): New splitter.
2290 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
2292 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
2293 warnings for indented directives even if we are skipping.
2295 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
2297 * invoke.texi (strict-prototypes): Remove.
2298 * extend.texi (Deprecated Features): Add strict-prototypes.
2299 (Backwards Compatibility): New node.
2301 2000-07-25 Jakub Jelinek <jakub@redhat.com>
2303 * config/i386/i386.md (andsi_1+1): Allow HImode.
2304 (andsi_1+2): Require q_regs_operand.
2306 2000-07-25 Jakub Jelinek <jakub@redhat.com>
2308 * config/i386/i386.md (call_pop): Check operands[0],
2309 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
2310 (call): Likewise.
2311 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
2312 (call_value): Likewise.
2314 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
2316 * toplev.c (pipe_closed): Delete.
2317 (crash_signal): New. Generate ICE for a fatal signal.
2318 (float_signal): Call crash_signal outside a float-handler
2319 block, not abort.
2320 (main): Install crash_signal as handler for core-dumping signals.
2322 2000-07-25 David Edelsohn <edelsohn@gnu.org>
2324 * rs6000.c (print_operand, case 'T'): New case.
2326 * rs6000.md (call_indirect_aix32): Convert to expander of
2327 scheduled instructions.
2328 (call_indirect_aix64): Likewise.
2329 (call_value_indirect_aix{32,64}): Likewise.
2330 (call, call_value): Invoke expanders for AIX. Fall through to
2331 matchers for SysV.
2332 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
2333 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
2334 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
2335 only "g" constraint.
2336 (call_nonlocal_aix64): Likewise.
2337 (call_value_nonlocal_aix{32,64}): Likewise.
2338 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
2339 operands.
2340 (call_value_nonlocal_sysv): New pattern.
2341 (indirect_jump{si,di}): Use new 'T' modifier.
2342 (tablejump{si,di} matchers): Likewise.
2343 (return_internal_{si,di}): Likewise.
2344 (return_eh_{si,di}): Likewise.
2346 2000-07-24 Richard Henderson <rth@cygnus.com>
2348 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
2349 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
2350 * config/ia64/ia64.md (movdi_internal): Use it.
2352 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
2354 * cppexp.c: Warn about unary + if -Wtraditional.
2355 * cpplex.c (lex_line): Always set BOL on the first token of a line.
2357 2000-07-24 Michael Meissner <meissner@redhat.com>
2359 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
2360 unsupported macro.
2362 2000-07-24 Nick Clifton <nickc@cygnus.com>
2364 * config/arm/arm.c (emit_multi_reg_push): Generate a
2365 REG_FRAME_RELEATED_NOTE that is compatable with the code in
2366 dwarf2out_debug_frame_expr.
2368 2000-07-24 Jason Merrill <jason@redhat.com>
2370 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
2371 UNALIGNED_INT_ASM_OP.
2372 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
2373 a location expression.
2374 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
2375 assume indirect access if we're saving the CFA address exactly.
2377 * Makefile.in (bootstrap): Move -BstageN/ to the end.
2379 2000-07-24 Jakub Jelinek <jakub@redhat.com>
2381 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
2382 as well.
2384 2000-07-24 Michael Meissner <meissner@redhat.com>
2386 * invoke.texi (D30V Options): Add d30v options.
2388 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
2390 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
2391 needed by our gcse pass anymore.
2392 (free_pre_mem): Corresponding changes.
2393 (compute_pre_data): Do not call compute_transpout anymore.
2395 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
2396 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
2397 changes.
2399 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
2400 (compute_pre_data): Do it here instead.
2402 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
2403 'temp_bitmap'.
2404 (pre_delete): Corresponding changes.
2406 2000-07-23 Mark Mitchell <mark@codesourcery.com>
2408 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
2409 to figure out whether or not a variable has already been emitted.
2411 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
2413 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
2414 instead of gen_call.
2416 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
2418 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
2420 2000-07-23 Kazu Hirata <kazu@hxi.com>
2422 * h8300.c: Fix formatting.
2424 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
2426 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
2427 for `long' switch expression into a plain warning.
2429 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
2430 (yylex): Don't pedwarn for "inline" in C99 mode.
2432 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
2433 with %p.
2434 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
2435 ggc_alloc): Likewise.
2436 * bb-reorder.c (dump_scope_forest_1): Likewise.
2438 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
2440 * reload.c (find_reloads_toplev): Add new parameter
2441 "address_reloaded".
2442 (find_reloads): Add new parameter to find_reloads_toplev calls.
2444 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
2446 * collect2.c (main): Typo fixed.
2447 * diagnostic.c: Typo fixed.
2448 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
2449 * eh-common.h: Typo fixed.
2450 * emit-rtl.c (start_sequence): Typo fixed.
2451 * flow.c (find_label_refs): Typo fixed.
2452 (calculate_global_regs_live): Typo fixed.
2453 (mark_regno_cond_dead): Typo fixed.
2454 (create_edge_list): Typos fixed.
2455 (verify_edge_list): Typo fixed.
2456 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
2457 * loop.c (strength_reduce): Typo in function name fixed.
2458 * rtl.h: Added comments. Typo in function name fixed.
2459 * rtlanal.c: Typo in function name fixed.
2460 (insn_dependant_p): Rename to ...
2461 (insn_dependent_p): ... this.
2462 (computed_jumo_p): Typo fixed.
2464 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2466 * system.h (__FUNCTION__): Wrap definition in #ifndef.
2468 2000-07-21 David Edelsohn <edelsohn@gnu.org>
2470 * rs6000.h (SIZE_TYPE): Define.
2472 2000-07-21 Mark Mitchell <mark@codesourcery.com>
2474 * ssa.c (rename_insn_1): Don't rename registers that are
2475 CLOBBERed.
2477 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
2479 * diagnostic.c (trim_filename, fancy_abort): Moved here from
2480 rtl.c.
2481 (fatal_function, set_fatal_function): Removed.
2482 (fatal): Don't prepare for or call the fatal_function.
2483 (diagnostic_lock, error_recursion): New.
2484 (diagnostic_for_decl, report_diagnostic): Guard against
2485 re-entering the error reporting routines.
2486 (fancy_abort): Assume function is not NULL.
2488 * errors.c (fancy_abort): New. Assume function is not NULL.
2489 * tradcpp.c (fancy_abort): Assume function is not NULL.
2491 * system.h: Provide default definition of __FUNCTION__.
2492 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
2493 Always use __FUNCTION__ in definition of abort.
2494 * tree.h: Likewise.
2495 * varray.h: Likewise.
2496 * toplev.h: Likewise. Don't prototype set_fatal_function.
2498 2000-07-20 Geoff Keating <geoffk@cygnus.com>
2500 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
2501 in 64-bit mode.
2502 * glimits.h: Don't do #if defined for ARCH_PPC.
2504 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
2505 constants of size no larger than a pointer should go in the TOC.
2506 Add 'MODE' parameter.
2507 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
2508 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
2509 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
2510 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
2511 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
2512 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
2513 (rs6000_legitimize_address): Likewise.
2514 (rs6000_emit_move): Likewise.
2515 (rs6000_select_rtx_section): Likewise.
2516 (output_toc): Deal properly with outputting small constants like
2517 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
2518 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
2519 MODE parameter. Put small constants in the TOC.
2521 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
2522 easy in SImode.
2523 (rs6000_emit_move): When reload calls us with an illegitimate
2524 address, exit early. Move the change_address calls to one place
2525 at the end of the routine. Merge the SImode and DImode expanders.
2526 When called by reload to put an integer into a FP register, force
2527 it to memory.
2529 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
2530 field.
2531 (rs6000_hash_constant): Hash mode too.
2532 (toc_hash_function): Allow for key_mode.
2533 (toc_hash_eq): Structures are different if key_mode differs.
2534 (output_toc): Add 'mode' parameter. Save key_mode.
2535 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
2536 Pass 'mode' parameter.
2537 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
2539 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
2540 for vtable references.
2542 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
2543 choice, don't put integer values in FP regs.
2545 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
2547 * flow.c (verify_flow_info): Revamp code to verify that the
2548 head and end of each basic block are in the insn chain.
2550 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
2552 * gcse.c (record_one_set): Prepend instead of append onto
2553 reg_set_table, making it O(n) instead O(n^2).
2554 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
2555 Use a queue instead of a stack as worklist.
2557 2000-07-20 Kazu Hirata <kazu@hxi.com>
2559 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
2560 * h8300.h (OK_FOR_T): New.
2561 (EXTRA_CONSTRAINT): Support OK_FOR_T.
2562 * h8300.md: Use inc/dec.[wl] for increment/decrement
2563 by 1 and 2 in HI and SI modes.
2565 2000-07-20 Jim Wilson <wilson@cygnus.com>
2567 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
2568 larger than 14 bits.
2570 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
2572 * cppmacro.c (CAN_PASTE_AFTER): New macro.
2573 (count_params): Don't set GNU_REST_ARGS on anything.
2574 (save_expansion): Set PASTE_LEFT only on tokens for which
2575 CAN_PASTE_AFTER is true, or which are named operators.
2577 * cpplex.c (parse_args): Distinguish between a rest argument
2578 given one empty argument, and a rest argument given zero arguments.
2579 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
2580 deletion of previous token based on that.
2581 (get_raw_token): Flatten some control structure.
2583 * cpplib.h (CPP_LAST_EQ): Correct.
2584 (VOID_REST): New token flag.
2585 (GNU_REST_ARGS): Delete.
2587 * tradcpp.c (main): Don't munge -D options.
2588 (make_definition): Bring -D handling in line with cpplib.
2589 (do_define): Strip all leading whitespace from macro definitions.
2591 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
2593 * Makefile.in (tradcpp): Depend on intl.o and version.o.
2595 2000-07-20 Bruce Korb <bkorb@gnu.org>
2597 * fixincl/check.tpl: strip the platform specific types before testing
2598 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
2599 * fixincl/fixincl.tpl: use platform specific types
2600 * fixincl/fixlib.h: include the platform specific types
2601 * fixincl/inclhack.def(gnu_types): don't supply the types
2602 * fixincl/fixincl.x: regen
2604 2000-07-19 Jim Wilson <wilson@cygnus.com>
2606 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
2607 GR_REGS.
2609 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
2611 * tradcpp.c (rescan): Do not recognize directives when the #
2612 is indented.
2614 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
2616 Implement C++ named operators.
2618 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
2619 of operators allowed in #if and having an _EQ variant. Add
2620 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
2621 (cpp_token flags): Add NAMED_OP.
2622 (enum node_type): Add T_OPERATOR.
2623 (struct cpp_hashnode): Add code slot to value union.
2624 * cpphash.h (spec_nodes): Remove n_defined.
2626 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
2627 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
2628 (is_macro_disabled): Tweak error messages.
2630 * cpplib.c (get_define_node): Disallow all named operators as
2631 macro names. Tweak error messages.
2632 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
2634 * cppinit.c (builtin_array): Add entries for the named operators.
2635 * cppexp.c (lex): Check for CPP_DEFINED token.
2636 (priority table): Add entries for CPP_MIN and CPP_MAX.
2637 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
2639 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
2641 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
2642 larger than the array of cuids.
2643 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
2644 cuids.
2646 2000-07-19 Bruce Korb <bkorb@gnu.org>
2648 * fixinc/fixincl.c: Convert to using a table of environment variables
2649 and activate the auto-edit marker on the fixed output files.
2650 * fixinc/fixlib.h: Define the environment table
2651 * fixinc/fixincl.sh: export the ${INPUT} dir
2652 * fixinc/check.tpl: likewise
2654 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
2656 * gcc.c (.h spec): Fix typo.
2658 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
2660 * Makefile.in: Fix tradcif.c path.
2662 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
2664 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
2665 macros, not five.
2667 * cpphash.h (TOKEN_NAME): New macro.
2668 (_cpp_spell_operator): Deleted.
2669 (token_spellings): Now _cpp_token_spellings.
2671 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
2672 * cpplex.c: Use OP and TK macros when expanding the
2673 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
2674 store the stringification of the enumeration name (CPP_CHAR,
2675 etc.) in the name slot of token_spellings.
2676 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
2677 token_spellings directly.
2678 * cpplib.c: Use TOKEN_SPELL.
2680 * cpplex.c (_cpp_push_token): If the token being pushed back
2681 is the previous token in this context, just subtract one from
2682 context->posn.
2683 * cppmacro.c (save_expansion): Clear aux field when storing a
2684 placemarker.
2686 2000-07-18 Jakub Jelinek <jakub@redhat.com>
2688 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
2689 buffer, provided it is not NULL.
2691 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
2693 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
2694 case of invalid volatile re-declaration.
2696 2000-07-18 Jakub Jelinek <jakub@redhat.com>
2698 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
2699 (expand_call): Adjust caller.
2701 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
2703 * diagnostic.h (report_diagnostic): Change prototype.
2705 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
2706 diagnostic_for_decl): Change prototype.
2707 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
2708 error, warning, error_with_file_and_line,
2709 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
2710 Adjust call to report_diagnostic, diagnostic_for_decl.
2711 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
2712 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
2714 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
2715 varaible argument list.
2717 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
2719 * cpphash.c: Don't include hashtab.h. Most macro-handling code
2720 moved to cppmacro.c.
2721 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
2722 dump_hash_helper): Delete.
2723 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
2724 cpp_forall_identifiers): New. Implement specialized version of
2725 Vlad's expandable hash table.
2726 (cpp_lookup): Use new functions.
2727 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
2728 implementation.
2729 * cppmacro.c: New file.
2730 * cppinit.c (dump_macros_helper): New.
2731 (cpp_finish): Iterate over the identifier table directly.
2732 * cpplex.c (parse_name): Calculate the hash of the identifier
2733 while we scan it. Use _cpp_lookup_with_hash when we can.
2735 * cpphash.h: Update prototypes.
2736 (xcnewvec, HASHSTEP): New helper macros.
2737 * cpplib.h: Update prototypes.
2738 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
2739 (cppmacro.o): New rule.
2740 (cpphash.o): Update deps.
2742 * cppmain.c: Do not set pfile->printer if no_output is on.
2744 2000-07-15 Neil Booth <neilb@earthling.net>
2746 * cpplib.c: Change all directive-handler functions to return
2747 void, not int.
2748 * cpphash.h: Update typedefs.
2750 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
2752 * configure: Regenerate.
2754 * extend.texi (Extended Asm): Mention that a memory clobber
2755 does not count as a side-effect.
2757 * unroll.c (copy_loop_body): Fix one instance of using host
2758 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
2759 cross-compile.
2761 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
2763 2000-07-17 Richard Henderson <rth@cygnus.com>
2765 * config/ia64/ia64.md (movdi): Split out load address code.
2766 New post-reload splitter for symbolic operands.
2767 (movdi_internal): Abort if we didn't split symbolic operands
2768 when we should have.
2769 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
2770 (ia64_reorg): Split insns when not optimizing.
2771 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
2773 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
2775 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
2776 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
2778 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
2780 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
2782 2000-07-17 Jason Merrill <jason@redhat.com>
2784 * Makefile.in (clean): Remove libgcc directory.
2786 * configure.in (-Wno-long-long check): Use higher-level macros.
2788 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
2790 * simplify-rtx.c (simplify_binary_operation): Recognize
2791 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
2792 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
2793 a CONST_INT, it will always be zero.
2795 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
2797 * loop.c (check_dbra_loop) : Return if more than one condition is
2798 present to control the loop.
2800 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
2802 * mips.c (mips_expand_prologue): Don't calculate the last argument
2803 register unless we need it. When we are calculating this, make
2804 sure FUNCTION_ARG is giving us a REG.
2806 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2808 * flow.c (libcall_dead_p): Use single_set to verify the insn
2809 has only one set and get for analysis.
2810 (propagate_one_insn): Don't pass the PATTERN of the insn.
2812 2000-07-17 Mark Klein <mklein@dis.com>
2814 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
2816 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2818 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
2819 * configure.in (TARGET_GETGROUPS_T): Evaluate.
2820 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
2821 of second argument of getgroups.
2822 * configure, config.in: Rebuilt.
2824 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
2826 * simplify-rtx.c (simplify_relational_operation): Two signed
2827 values with equal high words are less/greater than each other if
2828 their low words are less/greater when considered as unsigned.
2830 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
2832 * configure.in (vax-*-openbsd): Change to new style configuration,
2833 add collect2/float_format information.
2834 * configure: Rebuilt.
2835 * config/vax/openbsd1.h: New.
2836 * config/vax/openbsd.h: New.
2837 * config/vax/t-openbsd: New.
2839 2000-07-17 Chip Salzenberg <chip@valinux.com>
2841 * c-common.c (shorten_compare): Quiet warnings about unsigned
2842 comparisons with zero when they occur in a system header.
2844 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
2846 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
2847 update to describe current practice.
2849 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
2851 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
2852 references to C9X. Change references to -fstd and -flang-isoc9x
2853 to refer to -std.
2855 * c-common.c (scan_char_table): Allow "z" length modifiers on
2856 diouxXn formats.
2857 (check_format_info): Use TYPE_DOMAIN on the type matched against
2858 for "z" formats, to retrieve the language size_t rather than the
2859 internal one.
2861 * c-common.c (check_format_info): Do not make a pedantic objection
2862 to the 'L' length modifier if used with a floating point type
2863 character.
2865 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
2866 constants in C99 mode.
2868 2000-07-17 Kazu Hirata <kazu@hxi.com>
2870 * h8300.md: Fix the format of mac.
2871 (movsi_h8300hs): Output a tab after stmac instead of a space.
2873 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
2874 profitable adds/subs sequences.
2876 * fold-const.c: Fix comment typos.
2878 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
2880 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
2882 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2884 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
2886 2000-07-16 Neil Booth <NeilB@earthling.net>
2888 * cpplex.c: Update comments.
2889 * README.Portability: Small update.
2891 2000-07-16 Neil Booth <NeilB@earthling.net>
2893 * README.Portability: Small update.
2895 2000-07-15 Richard Henderson <rth@cygnus.com>
2897 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
2898 * config/ia64/ia64.c (ia64_move_ok): New function.
2899 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
2900 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
2902 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
2904 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
2905 immediately following a paste operator.
2906 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
2907 (cpp_reader_init): Call it, if HOST_EBCDIC.
2908 (cpp_handle_options): Do not sort option list here.
2909 (handle_option): Rename to cpp_handle_option and export.
2910 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
2911 _cpp_get_token directly.
2912 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
2913 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
2914 * cpplib.h: Prototype cpp_handle_option. Update prototype of
2915 cpp_scan_line.
2917 2000-07-15 Richard Henderson <rth@cygnus.com>
2919 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
2920 cast around an expression. Tidy other unsigned tests.
2922 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
2924 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
2925 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
2926 (v_message_with_decl): Rename to ...
2927 (format_with_decl): ... this. Tweak
2928 (diagnostic_for_decl): New function.
2929 (fatal_io_error): Use verbatim in lieu of notice.
2930 (announce_function): Use verbatim.
2931 (default_print_error_function): Likewise.
2932 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
2933 infratructure.
2935 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2937 * mips.c (function_arg_pass_by_reference): Don't do automatic
2938 aggregate initialization.
2939 (machine_dependent_reorg): Initialize variable `mode'.
2941 * mips.md (absdi2): Change variable `regno1' to unsigned int.
2942 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
2943 conflicts with sys/param.h macro of the same name.
2944 (reload_outdi): Likewise.
2946 2000-07-15 Michael Meissner <meissner@redhat.com>
2948 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
2949 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
2950 create a new node instead.
2952 2000-07-15 Neil Booth <NeilB@earthling.net>
2954 * README.Portability: Correct example about calling a function
2955 through a pointer to function. Format wide paragraphs.
2957 2000-07-15 Michael Meissner <meissner@redhat.com>
2959 * README.Portability: Update integer suffixes and function
2960 prototype sections.
2962 2000-07-15 Neil Booth <NeilB@earthling.net>
2964 * README.Portability: Small update.
2966 2000-07-15 Neil Booth <NeilB@earthling.net>
2968 * README.Portability: New file.
2970 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
2972 * INSTALL: Give special instructions for building GCC on Irix 6.
2973 * config/mips/x-iris6 (CC): Don't set it.
2974 (OLDCC): Likewise.
2976 2000-07-14 Jason Merrill <jason@redhat.com>
2978 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
2979 register in the stack and later in another register, use the new
2980 register.
2982 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
2984 * config/mips/mips.md: (absdi2): Handle sign_extend for
2985 second operand.
2987 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
2989 * cpplib.c (do_pragma_dependency): Tidy warning messages.
2991 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
2993 * .cvsignore: Correct typo.
2995 2000-07-13 Mark Mitchell <mark@codesourcery.com>
2997 * .cvsignore: Add generated YACC files.
2998 * objc/.cvsignore: New file.
3000 2000-07-14 Neil Booth <NeilB@earthling.net>
3002 * cpplex.c (adjust_column): New funcion.
3003 (skip_whitespace): Use it.
3004 (skip_block_comment): Use it, and warn about /*/* with
3005 -Wcomments.
3007 2000-07-14 Neil Booth <NeilB@earthling.net>
3009 * cpphash.c (struct macro_info): Add new members.
3010 (_cpp_free_definition): Delete the macro directly.
3011 (count_params): Return void, with first token of
3012 expansion in struct macro_info on success.
3013 (parse_define): Return int. Hoist syntax checking from
3014 save_macro_expansion. Leave call to save_expansion to
3015 _cpp_create_definition.
3016 (alloc_macro): Needs just 2 arguments.
3017 (free_macro): Delete.
3018 (save_expansion): Don't perform syntax check.
3019 (_cpp_create_definition): Call save_expansion.
3021 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3023 * genrecog.c (write_header): Split long string.
3025 * cpphash.c (macro_info): Don't use the `signed' keyword.
3027 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
3029 2000-07-13 Jakub Jelinek <jakub@redhat.com>
3031 * calls.c (stored_args_map): New variable.
3032 (check_sibcall_argument_overlap_1): New.
3033 (check_sibcall_argument_overlap): New.
3034 (expand_call): Initialize stored_args_map.
3035 Call check_sibcall_argument_overlap.
3037 2000-07-13 Bruce Korb <bkorb@gnu.org>
3039 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
3040 (emit_gnu_type): utility procedure for gnu_type_fix
3041 (gnu_type_fix): implement various pre-processor guards around
3042 standard types so these types can be defined over and over
3043 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
3044 types alluded to above will have GNU-compliant base types
3045 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
3046 * fixinc/inclhack.def: add test_text entries and utilize the new
3047 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
3048 * fixinc/fixincl.x: regenerate
3050 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3052 * diagnostic.c (vline_wrapper_message_with_location,
3053 v_message_with_file_and_line, v_error_with_file_and_file,
3054 v_error_for_asm, v_warning_for_asm, vfatal,
3055 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
3056 vsorry, verror, vwarning, vpedwarn): Remove.
3057 (diagnostic_for_asm): New function.
3058 (pedwarn, error, warning, pedwarn_with_file_and_line,
3059 error_with_file_and_line, warning_with_file_and_line, sorry,
3060 error_for_asm, warning_for_asm, fatal): Reimplement.
3061 (finish_diagnostic): Clear diagnostic info as well.
3063 2000-07-13 Neil Booth <NeilB@earthling.net>
3065 * c-common.h (flag_digraphs): New.
3066 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
3067 * c-lex.c (yylex): Use flag_digraphs to decide whether to
3068 honour digraphs.
3070 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
3072 * gcc.c (do_spec_1): Add new %B operator.
3073 (set_input): Prepare for %B.
3075 (link_command_spec): Move up with the other tm.h-
3076 overrideable specs. Factor out the portion conditional on
3077 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
3078 (struct compiler): Just have a single spec string. All users
3079 updated.
3080 (default_compilers): Remove unnecessary braces.
3081 (static_specs): Update.
3083 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
3084 named specs.
3085 (C and assembly specs): Use the new named specs, as appropriate.
3087 * objc/lang-specs.h: Use the new named specs.
3088 Remove unnecessary braces.
3090 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
3092 * gcc.c (execute): If a subprocess gets a fatal signal, report
3093 strsignal() of the signal number, and ask for a bug report.
3094 Do not do this for SIGPIPE if there's already been an error.
3096 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
3097 Delete pipe_closed.
3099 * tradcif.c: Remove.
3101 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
3103 * final.c (profile_function): Do not emit profile counters in
3104 the data section, if NO_PROFILE_COUNTERS is defined.
3105 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
3106 FUNCTION_PROFILER.
3108 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
3109 (FUNCTION_PROFILER): Just emit a call to mcount.
3111 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
3113 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
3115 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
3116 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
3117 traditional, lang_chill, or lang_fortran.
3119 * cppfiles.c: #undef strcmp to suppress warning about macros
3120 used without arguments.
3121 (_cpp_execute_include): Use f, not fname, in "No include path"
3122 error.
3123 (_cpp_pop_file_buffer): New function.
3124 * cpplib.c: Don't include <sys/mman.h>.
3125 (cpp_push_buffer): Set line_base and lineno in new buffer.
3126 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
3128 * cpplex.c: Move all prototypes and structure declarations to the
3129 top of the file. Properly parenthesise some macro arguments.
3130 (cpp_scan_line): New function.
3131 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
3132 don't need to walk up the stack counting.
3134 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3136 * c-common.c (combine_strings): Emit a pedantic warning when a
3137 string length is greater than the minimum ANSI C is required
3138 to support.
3140 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
3142 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
3143 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
3145 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3147 * c-decl.c (define_label): Warn about identifier conflicts with
3148 labels in traditional C.
3150 * c-parse.in (unop +): Warn about the unary plus operator for
3151 traditional C.
3153 * c-typeck.c (store_init_value): Warn about automatic aggregate
3154 initialization for traditional C.
3156 * invoke.texi (-Wtraditional): Document new warnings.
3158 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
3160 * Makefile.in (c-errors.o): Fix thinko in dependency.
3162 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
3164 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
3165 -traditional, -ftraditional, or -traditional-cpp was given.
3166 Do not pass -traditional to the preprocessor.
3167 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
3168 preprocessor does it automatically.
3169 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
3171 * ch/lang-specs.h: Always use tradcpp. Do not pass
3172 -traditional, -trigraphs, or -pedantic to the preprocessor.
3173 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
3174 _LANGUAGE_FORTRAN.
3176 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
3178 * cppexp.c (LOGICAL): Delete macro.
3179 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
3180 and && directly.
3182 * cpphash.c (HASHSIZE): Increase to 4096.
3183 (struct hashdummy): Add hash field.
3184 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
3185 the string values using memcmp.
3186 (cpp_lookup): Set dummy.hash.
3188 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
3190 * configure.in (m88k-openbsd): Express configuration using new fragment
3191 style.
3192 * configure: Rebuilt.
3193 * m88k/aout-dbx.h: New.
3194 * m88k/openbsd.h: New.
3195 * m88k/xm-openbsd.h: New.
3197 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3199 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
3201 2000-07-12 Richard Henderson <rth@cygnus.com>
3203 * reload.c (push_secondary_reload): Make sure to add the new
3204 reload at the end, after acquiring secondary memory.
3206 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3208 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
3210 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
3211 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
3213 * c-parse.in (stmt): Delete unused variables.
3215 * convert.c (convert_to_vector): Likewise.
3217 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
3219 * tree.c (finish_vector_type): Prototype.
3221 2000-07-12 Bruce Korb <bkorb@gnu.org>
3223 * fixinc/fixfixes.c: use xmalloc
3224 * fixinc/fixincl.c(initialize): set program name for xmalloc
3225 * fixinc/fixlib.c(must_malloc): obsolete
3226 (is_cxx_header): no longer used - disabled
3227 (skip_quote): inserted and disabled for future use
3228 * fixinc/fixlib.h: reflects above
3229 * fixinc/fixtests.c: removed dinkleberries
3231 2000-07-12 Neil Booth <NeilB@earthling.net>
3233 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
3234 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
3236 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
3237 struct toklist_dummy): New.
3238 (cpp_free_definition): Free macros with free_macro.
3239 (count_params): Don't save paramter spellings. Save macro
3240 information in a struct macro_info.
3241 (parse_define): Don't allocate a token list.
3242 (save_expansion): Allocate the macro's token list, and
3243 save parameter spellings if necessary. Use TOKEN_SPELL.
3244 (cpp_create_definition): Make list const.
3246 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
3248 * c-typeck.c (pedwarn_c99): Move to
3249 * c-errors.c: ... Here.
3250 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
3251 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
3252 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
3253 (c-errors.o): List dependency.
3255 2000-07-12 Mark Mitchell <mark@codesourcery.com>
3257 * c-parse.c: Remove.
3258 * c-parse.h: Likewise.
3259 * c-parse.y: Likewise.
3260 * objc/objc-parse.c: Likewise.
3261 * objc/objc-pasre.y: Likewise.
3263 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
3265 * gcc.texi: Fix minor typos
3266 * extend.texi: Fix minor typos
3268 2000-07-11 Marc Espie <espie@openbsd.org>
3270 * collect2.c (main): Recognize .lo as object files.
3272 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3274 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
3275 true.
3277 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
3278 with MAP_ANONYMOUS and MAP_ANON.
3279 * configure, config.in: Rebuilt.
3281 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
3283 * diagnostic.c (save_output_state): Remove.
3284 (restore_output_state): Likewise.
3285 (clear_text_info): New function.
3286 (clear_diagnostic_info): Likewise.
3287 (output_text_length, is_starting_newline, output_prefix,
3288 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
3289 prefixing_policy, output_buffer_ptr_to_format_args): New macros
3290 (set_real_maximum_length, output_set_maximum_length,
3291 output_set_prefix, output_get_prefix, output_set_maximum_length,
3292 output_destroy_prefix, init_output_buffer,
3293 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
3294 output_add_newline, output_add_character, output_add_space,
3295 output_append_r, output_append, wrap_text, output_format,
3296 output_do_printf, output_printf, output_do_verbatim,
3297 output_verbatim, verbatim): Use them.
3298 (output_clear): Split into cleat_text_info and
3299 clear_diagnostic_info.
3300 (struct output_state): Move to...
3302 * diagnostic.h: ...Here
3303 (struct output_buffer): Adjust.
3305 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
3307 * cpplex.c (parse_name): No longer inline (premature optimization).
3308 (do_pop_context): Fold into pop_context.
3309 (pop_context): Returns int.
3310 (lex_next): Hoist test for end of directive into pop_context.
3311 (push_macro_context): Returns int; takes just reader and token.
3312 Hoist test for excessive nesting to caller.
3313 (push_arg_context): Returns void; takes just reader and token.
3314 Do not call stringify_arg or get_raw_token.
3315 (get_raw_token): Convert tail recursion through push_arg_context
3316 to a loop at this level. Call stringify_arg here if appropriate.
3317 (maybe_paste_with_next): Convert tail recursion to a while loop.
3318 Hoist test of paste_level to caller.
3320 (stringify_arg): Push arg context at beginning.
3321 (cpp_get_token): Split out core into _cpp_get_token. Call
3322 process_directive here. Throw away CPP_PLACEMARKER tokens.
3323 (_cpp_get_token): Convert tail recursion through
3324 push_macro_context to a loop at this level.
3325 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
3326 _cpp_get_raw_token): Use _cpp_get_token.
3327 (_cpp_skip_rest_of_line): Drop the context stack directly; do
3328 not call pop_context.
3329 (_cpp_run_directive): Call lex_next directly.
3331 * cpphash.h: Prototype _cpp_get_token.
3332 * cppexp.c (lex): Use it.
3333 * cpphash.c (parse_define): Use it.
3334 * cpplib.c (get_define_node, do_undef, parse_include,
3335 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
3336 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
3337 parse_ifdef, validate_else): Use it.
3338 (cpp_push_buffer): Tweak error message; abort if anyone tries
3339 to push a buffer while macro expansions are stacked.
3341 2000-07-11 Donn Terry <donnte@microsoft.com>
3343 * cpplex.c (free_macro_args, save_token): Cast arg of free
3344 and/or xrealloc to PTR.
3345 (_cpp_init_input_buffer): Clear all fields of the base context.
3347 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
3349 * gensupport.c (process_rtx): Make rtl checking stop
3350 complaining about the define_insn while it is being
3351 converted from a define_insn_and_split.
3353 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
3355 * config/mips/mips.c (simple_memory_operand): Access the
3356 INTVAL of the address, not it's containing MEM.
3358 2000-07-11 Bruce Korb <bkorb@gnu.org>
3360 * fixinc/fixtests.c(double_slash): obsolete
3361 (else_endif_label): likewise
3362 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
3363 (libc1_ifdefd_memx): correct initial comment
3364 and omit the #if/#endif pair from the memxxx declarations
3365 * fixinc/fixincl.x: regen
3367 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3369 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
3371 2000-07-11 Neil Booth <NeilB@earthling.net>
3373 * cpp.texi: Update.
3375 2000-07-11 Neil Booth <NeilB@earthling.net>
3377 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
3378 (handle_option): Set digraphs according to standard.
3379 Merge OPT_lang_c89 handler with OPT_std_c89.
3381 * cpplex.c: (lex_line, can_paste): Honour digraphs in
3382 accordance with the digraphs flag.
3384 * cpplib.h: (struct cpp_options): New option digraphs.
3386 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
3387 Bruce Korb <bkorb@gnu.org>
3389 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
3390 * fixinc/fixincl.x: Regenerate.
3391 * fixinc/tests/base/testing.h: Add testcase.
3393 2000-07-10 Richard Henderson <rth@cygnus.com>
3395 * config/ia64/ia64.c (got_symbolic_operand): New.
3396 (symbolic_operand, move_operand): Revert 0701 change.
3397 * config/ia64/ia64.h (PREDICATE_CODES): Update.
3398 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
3399 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
3400 split the offset into a 14-bit low part instead of a 13-bit low part.
3401 (load_fptr): Mark the mem as unchanging.
3402 (load_symptr): Use got_symbolic_operand.
3404 2000-07-10 Nick Clifton <nickc@cygnus.com>
3406 * libgcc2.c (next_stack_level): Cast result of computation to
3407 (void **) so that the assignment does not generate a warning.
3409 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
3411 * flags.h : Add new variable flag_single_precision_constant.
3412 * toplev.c (display_help) : Add -fsingle-precision-constant option.
3413 (flag_single_precision_constant): New.
3414 * c-lex.c (yylex): Convert floating point constant to single
3415 precision constant.
3416 * invoke.texi : Add documentation for this new option.
3418 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
3420 * diagnostic.c (output_octal): Second parameter is unsigned.
3421 (output_long_octal): Likewise.
3422 (output_hexadecimal): Likewise.
3423 (output_long_hexadecimal): Likewise.
3424 (output_format): Adjust arguments extraction. Tweak.
3425 (output_verbatim, verbatim): End variable argument list.
3426 (report_diagnostic): Improve documentation.
3428 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
3430 * c-common.h (build_stmt): Declare.
3431 (build_continue_stmt): Likewise.
3432 (build_break_stmt): Likewise.
3433 (build_return_stmt): Likewise.
3435 * c-decl.c (do_case): Rewrite to do what previously done in
3436 c-parse.in.
3438 * c-semantics.c (build_stmt): Define.
3439 (build_return_stmt): Likewise.
3440 (build_break_stmt): Likewise.
3441 (build_continue_stmt): Likewise.
3442 (build_case_label): Likewise.
3444 * c-parse.in (BREAK): Change to build tree, then generate RTL.
3445 (CONTINUE): Likewise.
3446 (RETURN): Likewise.
3447 (CASE): Likewise.
3448 (DEFAULT): Likewise.
3450 * c-parse.y: Regenerate.
3451 * c-pasre.c: Likewise.
3453 2000-07-09 Jason Merrill <jason@redhat.com>
3455 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
3457 * tree.h (STRIP_NOPS): Check for error_mark_node.
3458 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
3459 (dwarf2out_*): Remove duplicate declarations.
3461 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
3462 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
3464 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
3466 * diagnostic.c (wrap_text): New function.
3467 (maybe_wrap_text): Likewise.
3468 (output_add_string): Use it.
3469 (output_format): Likewise.
3470 (count_error): Use verbatim instead of notice.
3471 (report_error_function): Likewise. Don't use plain fprintf.
3472 (finish_diagnostic): New function.
3473 (output_do_verbatim): Tweak. Commonalize functionalities in
3474 output_verbatim and verbatim.
3475 (output_verbatim): Adjust.
3476 (verbatim): Likewise.
3477 (report_diagnostic): Define.
3479 * diagnostic.h (report_diagnostic): Prototype.
3481 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
3483 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
3485 2000-07-09 Neil Booth <NeilB@earthling.net>
3487 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
3488 IShspace, ISspace: Update.
3490 * cppinit.c: ISTABLE: Update.
3491 V: New.
3493 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
3494 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
3495 (skip_block_comment, skip_line_comment, parse_string,
3496 lex_line): Use is_vspace rather than IS_NEWLINE.
3497 (skip_whitespace, lex_line): Clean up to use is_nvspace.
3498 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
3499 gets a BOL flag.
3500 (lex_next): Unconditionally stop if within a directive.
3501 Treat directives within macro invocations as directives
3502 (after parse_args emits error), not as the argument.
3504 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
3506 * diagnostic.c (diagnostic_args): New macro.
3507 (diagnostic_msg): Likewise.
3508 (output_formatted_integer): Likewise.
3509 (output_state): New data type.
3510 (digit_buffer): Make global.
3511 (output_add_integer): Rename to output_decimal. Squeeze
3512 digit_buffer.
3513 (output_long_decimal, output_unsigned_decimal,
3514 output_long_unsigned_decimal, output_octal, output_long_octal,
3515 output_hexadecimal, output_long_hexadecimal): New functions.
3516 (output_append_r): New function.
3517 (output_append): Tweak.
3518 (output_flush_on): Rename to output_to_stream.
3519 (output_format): Change prototype. Improve documentation. Handle
3520 more format specifiers.
3521 (build_location_prefix): Rename to context_as_prefix.
3522 (output_notice): Rename to output_do_printf.
3523 (output_printf): Tweak.
3524 (line_wrapper_printf): Likewise.
3525 (vline_wrapper_message_with_location): Adjust call to renamed
3526 functions.
3527 (v_message_with_decl): Likewise.
3528 (default_print_error_function): Likewise.
3529 (save_output_state): New function.
3530 (restore_output_state): Likewise.
3531 (output_do_verbatim): Likewise.
3532 (output_verbatim): Define.
3533 (verbatim): Likewise.
3535 * diagnostic.h (printer_fn): Change return type from void to int.
3536 Improve documentation.
3537 (output_add_integer): Rename to output_decimal.
3538 (output_flush_on, output_format): Don't export.
3539 (output_verbatim, verbatim): Declare.
3541 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
3543 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
3544 Check whether c divides op1 exactly if operation is not
3545 multiplication.
3547 2000-07-08 Richard Henderson <rth@cygnus.com>
3549 * final.c (final): Do not abort when reg-stack introduces
3550 a new insn.
3552 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
3554 * cpplib.h (struct cpp_name): Now struct cpp_string.
3555 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
3556 CPP_HEADER_NAME): Change to type S.
3557 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
3558 field, a cpp_hashnode *. All references to val.name updated
3559 to use val.str or val.node as appropriate.
3560 (struct cpp_reader): Add spec_nodes field.
3561 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
3563 * cpphash.h (struct spec_nodes): New.
3564 (enum spell_type): Reorder. Only SPELL_STRING tokens use
3565 val.str. All references to 'spelling > SPELL_NONE' updated to
3566 match.
3568 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
3569 pfile->buffer->inc are not NULL before dereferencing them.
3571 * cpplex.c (parse_name): Take a pointer to the current token,
3572 plus current position and limit as args; return the new
3573 position; don't copy the text of a name into the string
3574 buffer, instead call cpp_lookup and store the node pointer.
3575 If extending a token, copy out the text of the old into a
3576 scratch buffer, append the new, look that up and store the new
3577 node pointer. Inline.
3578 (maybe_paste_with_next): If the result of paste is a NAME,
3579 then look up the pasted text and store its node pointer.
3580 (lex_line): Adjust for new parse_name interface.
3581 Check for L"str", L'str' using spec_nodes->n_L.
3582 (spell_token): SPELL_IDENT tokens have their spelling in
3583 val.node->name. Handle SPELL_STRING tokens that don't have
3584 string delimiters.
3585 (_cpp_expand_name_space,
3586 (can_paste): Check for L ## "str" using spec_nodes->n_L.
3587 (cpp_get_token, special_symbol): No need to call cpp_lookup.
3588 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
3589 return 1=equal 0=not, not a tristate.
3591 * cpphash.c (var_args_str): Delete.
3592 (find_param): Compare node fields directly.
3593 (is__va_args__): Use CPP_PEDANTIC. Just compare
3594 token->val.node with spec_nodes->n__VA_ARGS__.
3595 (dump_funlike_macro): Don't use var_args_str.
3597 * cpplib.c (_cpp_check_directive): Just walk through
3598 spec_nodes->dirs comparing pointers.
3599 (get_define_node, do_pragma_poison, detect_if_not_defined,
3600 parse_ifdef): The identifier has already been looked up.
3601 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
3602 node.
3603 (do_if): Only call detect_if_not_defined at beginning of file.
3604 (_cpp_parse_assertion): Only copy string pointers for
3605 SPELL_STRING tokens.
3606 (pragma_dispatch): Take a node pointer and examine its name
3607 field.
3608 (_cpp_init_stacks): Also initialize the spec_nodes structure.
3610 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
3611 _cpp_init_macros.
3612 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
3613 reverse order from the corresponding _cpp_init_* routines.
3615 * cppexp.c (parse_number, parse_charconst, parse_defined,
3616 lex): Check val.node->type instead of calling cpp_defined.
3617 Use spec_nodes entries where appropriate.
3619 * fix-header.c, scan-decls.c: Update for interface changes.
3621 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
3623 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
3624 emitting aux_truncdfsf2.
3626 2000-07-03 Donn Terry (donnte@microsoft.com)
3628 * cppinit.c (print_help): split overlong line into ISO C89
3629 maximum chunks.
3631 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
3633 * cppexp.c: Update all code for new lexer interface.
3634 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
3635 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
3636 * cpplex.c (token_names): Trim leading CPP_ from names; make
3637 the strings unsigned.
3638 (_cpp_spell_operator): New.
3639 (is_macro_disabled): Disable all macros if rescanning
3640 preprocessed text.
3641 (_cpp_get_directive_token): Remove.
3643 * cppinit.c: Don't set no_macro_expand.
3644 * cpplib.c (read_line_number, do_line): Check only for EOF,
3645 not VSPACE.
3646 * cpphash.h: Update prototypes.
3647 * cpplib.h (CPP_VSPACE): Remove.
3648 (struct cpp_reader): Remove no_macro_expand.
3650 2000-07-08 Neil Booth <NeilB@earthling.net>
3652 * cpphash.c (is__va_args__): New function.
3653 (count_params): Fix line reported in error messages. Use
3654 is__va_args__. Don't return ')' on error. Flag GNU style
3655 rest args macro definitions.
3656 (parse_define): Check macro name is not __VA_ARGS__.
3657 (save_expansion): Check identifier in non-varargs-macro is
3658 not __VA_ARGS__. Don't flag GNU_VARARGS.
3659 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
3660 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
3661 than per-token GNU_VARARGS.
3662 * cpplib.h (GNU_VARARGS): Remove.
3663 (GNU_REST_ARGS): New.
3665 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
3667 * i386.md (call_pop, call, call_value_pop): Do not set
3668 current_function_uses_pic_offset_table for calls to static
3669 functions or indirect calls.
3671 2000-07-07 Jim Wilson <wilson@cygnus.com>
3673 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
3674 is_predicate_reg, then take max write_count of register pair.
3676 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3678 * tradcpp.c (main): Rename label `include' to `add_include' to
3679 avoid conflicts with variable `include' in traditional C.
3681 2000-07-07 Jakub Jelinek <jakub@redhat.com>
3683 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
3685 2000-07-07 Jakub Jelinek <jakub@redhat.com>
3687 * sibcall.c (uses_addressof): Add INMEM argument, check for
3688 current_function_internal_arg_pointer outside of MEM rtxs in addition
3689 to ADDRESSOFs.
3690 (sequence_uses_addressof): Update caller.
3692 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
3694 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
3695 and friends.
3697 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3699 * system.h (UNION_INIT_ZERO): New macro for initializing union
3700 members in structs.
3702 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
3704 2000-07-07 Neil Booth <NeilB@earthling.net>
3706 * cpp.texi: Update.
3708 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
3710 * final.c (final): Detect out of bounds array access to
3711 the insn_lengths array.
3713 2000-07-07 Kazu Hirata <kazu@hxi.com>
3715 * fold-const.c (fold): Fix a comment typo.
3717 2000-07-07 Neil Booth <NeilB@earthling.net>
3719 * cpp.texi: Update to new lexer.
3721 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
3723 * tradcpp.c: New file.
3724 * tradcif.y: New file.
3725 * tradcif.c: New generated file.
3727 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
3728 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
3729 dependencies of C. Install tradcpp from install-common, in
3730 $(libsubdir).
3732 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
3734 * cppinit.c: Include cppdefault.h. Refer to
3735 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
3736 to GCC_INCLUDE_DIR and its length.
3737 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
3738 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
3739 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
3740 cppdefault.h.
3741 (include_defaults_array): Move to cppdefault.c.
3743 * cppdefault.h: New file.
3744 * cppdefault.c: New file.
3746 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
3747 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
3748 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
3749 this file.
3751 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3753 * reload.c (push_reload): When seeing if can reuse a register,
3754 check extra registers against widest of INMODE and OUTMODE.
3756 2000-07-06 Neil Booth <NeilB@earthling.net>
3758 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
3759 based on full length of predicate.
3761 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
3763 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
3764 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
3766 2000-07-05 Kazu Hirata <kazu@hxi.com>
3768 * h8300-proto.h: Fix formatting.
3769 * h8300.c: Likewise.
3770 * h8300.h: Likewise.
3772 2000-07-05 Jim Wilson <wilson@cygnus.com>
3774 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
3775 CCmode.
3777 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
3779 * invoke.texi: Fix minor typos
3780 * md.texi: Fix minor typos
3782 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
3784 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
3786 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
3788 * cpplex.c: Don't include sys/mman.h.
3789 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
3791 * cpplib.c: Include sys/mman.h and obstack.h.
3792 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
3793 obstack.
3794 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
3795 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
3796 bother freeing if stack entries (they will be freed with their buffer).
3797 (do_endif): Free if stack entries from the buffer obstack.
3798 (push_conditional): Allocate if stack entries from the buffer obstack.
3800 (find_answer): Rename to _cpp_find_answer.
3801 (do_assert, do_unassert): Update.
3803 * cpphash.h: Update prototypes.
3804 (xobnew): New convenience macro.
3805 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
3806 Update comments.
3807 (struct cpp_hashnode): Remove disabled field.
3809 * cppinit.c: Don't include hashtab.h or splay-tree.h.
3810 (report_missing_guard): Moved to cppfiles.c.
3811 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
3812 cpp_init_includes.
3813 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
3814 cpp_cleanup_includes. Don't destroy hashtab or
3815 all_include_files here.
3816 (cpp_finish): Use _cpp_report_missing_guards.
3818 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
3819 (_cpp_init_include_table): Rename _cpp_init_includes.
3820 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
3822 * cppexp.c (parse_assertion): Update for new name of
3823 find_answer.
3825 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
3827 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
3829 * cpplib.c (do_ident): s/VSPACE/EOF/
3831 2000-07-05 Neil Booth <NeilB@earthling.net>
3833 * cpplex.c: Fix trigraph replacement within strings.
3835 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3837 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
3839 * xcoffout.c (assign_type_number): Constify.
3840 (xcoffout_source_file): Add static prototype. Don't needlessly
3841 cast away const-ness.
3843 2000-07-04 Jason Merrill <jason@redhat.com>
3845 * frame.h (frame_state): Move base_offset to end.
3847 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
3849 * calls.c (emit_library_call_value_1): Revert previous change.
3851 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
3853 * fix-header.c (struct partial_proto): Remove unnecessary fields.
3854 (recognized_extern, recognized_function, read_scan_file):
3855 Update for new scheme.
3856 (check_protection): It's still a multiple include guard even
3857 if it doesn't always trigger.
3858 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
3859 new scheme.
3860 * scan.h: Declare struct cpp_token. Update prototypes.
3862 2000-07-03 Neil Booth <neilb@earthling.net>
3863 Zack Weinberg <zack@wolery.cumb.org>
3865 Complete overhaul of the lexer and macro expander.
3867 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
3868 arg, arglist, argdata, reflist, collect_objlike_expansion,
3869 collect_funlike_expansion, collect_params,
3870 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
3871 unsafe_chars, macarg, compare_defs, special_symbol,
3872 scan_arguments, stringify, funlike_macroexpand,
3873 _cpp_quote_string, monthnames): Delete.
3874 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
3875 _cpp_create_definition, _cpp_dump_definition,
3876 dump_hash_helper): Adjust.
3877 (find_param, count_params, parse_define, var_args_str,
3878 check_macro_redefinition, save_expansion): New.
3880 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
3881 parse_string, output_line_command, trigraph_replace,
3882 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
3883 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
3884 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
3885 _cpp_skip_rest_of_line): Modify.
3887 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
3888 find_position, null_warning, bump_column, expand_name_space,
3889 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
3890 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
3891 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
3892 _cpp_prescan): Delete.
3894 (dump_param_spelling, process_directive, lex_next,
3895 is_macro_disabled, stringify_arg, expand_context_stack,
3896 output_token, make_string_token, alloc_number_token,
3897 special_symbol, duplicate_token, maybe_paste_with_next,
3898 can_paste, prevent_macro_expansion, restore_macro_expansion,
3899 get_temp_token, release_temp_tokens, quote_string,
3900 token_names, token_spellings, _cpp_expand_name_space,
3901 _cpp_glue_header_name, _cpp_reserve_name_space,
3902 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
3903 placemarker_token, eof_token, cpp_context, macro_args,
3904 get_raw_token, parse_arg, parse_args, save_token,
3905 push_arg_context, push_macro_context, pop_context,
3906 do_pop_context, free_macro_args, _cpp_get_line,
3907 _cpp_run_directive): New.
3909 * cpplib.c (validate_else, parse_include, push_conditional,
3910 pass_thru_directive, read_line_number, parse_ifdef,
3911 detect_if_not_defined, _cpp_check_directive, do_define,
3912 do_undef, do_include, do_import, do_include_next, do_error,
3913 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
3914 top_pragmas, do_pragma_gcc, do_pragma_implementation,
3915 do_pragma_poison, do_pragma_system_header,
3916 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
3917 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
3918 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
3919 cpp_defined): Update for new scheme.
3920 (strtoul_for_line, get_define_node, dump_macro_name,
3921 _cpp_check_linemarker, _cpp_parse_assertion): New.
3922 (_cpp_handle_directive, do_pragma_default): Delete.
3924 * cpphash.h (struct predicate): Now struct answer.
3925 (enum spell_type, struct token_spelling, struct directive,
3926 directive_handler): New.
3927 Update prototypes. Remove unused macros.
3928 * cpplib.h: Update prototypes. Remove unused macros,
3929 structure definitions, and fields.
3931 * cpperror.c (print_containing_files, v_message): Adjust.
3932 * cppexp.c (parse_assertion, lex, parse_escape,
3933 _cpp_parse_expr): Adjust.
3934 * cppfiles.c (open_include_file, _cpp_execute_include,
3935 _cpp_compare_file_date, cpp_read_file, read_include_file):
3936 Adjust.
3937 * cppinit.c (dump_special_to_buffer): Delete.
3938 (append_include_chain, merge_include_chains, cpp_reader_init,
3939 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
3940 cpp_finish, handle_option, print_help): Adjust.
3941 * cppmain.c (main): Adjust.
3943 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
3945 * cppspec.c (lang_specific_driver): Use double quotes in error
3946 message.
3948 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
3950 * calls.c (emit_library_call_value_1): Use valreg instead
3951 of hard_libcall_value.
3953 2000-07-03 Geoff Keating <geoffk@cygnus.com>
3955 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
3956 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
3957 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
3958 (movhi): Likewise.
3959 (movqi): Likewise.
3960 (movdf): Likewise.
3961 (movsf): Likewise.
3962 (movdi): Likewise.
3963 (movti): Likewise.
3965 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
3966 mode instead of wider_mode is being used.
3968 2000-07-03 Jakub Jelinek <jakub@redhat.com>
3970 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
3971 of 'r'. Use q_regs_operand.
3972 (andsi_1+2): Use q_regs_operand.
3974 2000-07-03 Jakub Jelinek <jakub@redhat.com>
3976 * builtins.c (get_memory_rtx): Always put into alias set 0.
3978 2000-07-03 Nick Clifton <nickc@cygnus.com>
3980 * config/arm/arm.md: Fix post increment and pre increment
3981 peepholes so that they do not generate UNPREDICATBLE opcodes.
3982 (ie ones where the increment clobbers the source/destination).
3984 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
3986 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
3987 change too big for -mtiny-stack" a warning, if larger than 63.
3988 (out_set_stack_ptr): Change the logic so -mno-interrupts is
3989 always safe to use on possible future devices.
3990 (function_prologue): Write SPH before SPL, for consistency.
3991 If interrupt_func_p true, we know we have enabled interrupts.
3992 (avr_num_arg_regs): New function. Round up to even number of
3993 bytes if no -mpack-args or if calling a libgcc function.
3994 (function_arg, function_arg_advance): Use it.
3995 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
3996 Output "movw" if available.
3997 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
3998 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
3999 (asm_output_section_name): Add blanks for consistent output.
4000 (encode_section_info): Set TREE_READONLY for progmem data to
4001 avoid gas warnings about changed section attributes.
4002 (avr_hard_regno_mode_ok): Force non-QImode data to start in
4003 even numbered registers on devices with "movw".
4004 * config/avr/avr.h (MASK_*): Define bits for target_flags.
4005 (TARGET_SWITCHES): Mark help strings for translation.
4006 Add new -mpack-args and -menhanced switches.
4007 (TARGET_OPTIONS): Mark help strings for translation.
4008 (progmem_section): Add section attributes.
4009 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
4010 Output "movw" if available.
4011 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
4012 New patterns.
4013 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
4014 call convention (arguments aligned on even registers).
4015 (_cleanup, _exit): Make weak symbols libc can override.
4017 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4019 * fp-bit.h: New file.
4021 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
4022 Comment #endif statements.
4023 (__thenan_sf, __thenan_df): Add missing braces around initializer.
4025 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
4027 * gcse.c (compute_pre_data): Compute ae_kill using other local
4028 properties instead of calling compute_ae_kill.
4030 * alias.c (init_alias_analysis): Do not call
4031 prologue_epilogue_contains until after reload has completed.
4033 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
4035 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
4036 (genrtl_finish_compound_stmt): Likewise.
4037 (genrtl_compound_stmt): Change to return void.
4039 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
4040 move code from here to ...
4041 (genrtl_compound_stmt): ... here.
4042 (genrtl_finish_compound_stmt): Remove.
4043 (expand_stmt): Add comment.
4045 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
4047 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
4048 and VOID_TYPE_P.
4050 2000-07-02 Jakub Jelinek <jakub@redhat.com>
4052 * cpplib.h (struct cpp_reader): New field include_depth.
4053 (struct cpp_printer): Rename last_bsd to last_id.
4054 * cppfiles.c (read_include_file): Bump include_depth.
4055 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
4056 (output_line_command): Output correct #line if a header
4057 is including itself and is not protected against multiple inclusion.
4058 Use include_depth instead of buffer_stack_depth, last_id instead of
4059 last_bsd.
4060 * cppinit.c (cpp_start_read): Initialize last_id instead of
4061 last_bsd.
4063 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
4065 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
4066 (c-semantics.o): New target.
4068 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
4069 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
4070 (genrtl_clear_out_block): Likewise.
4071 (genrtl_goto_stmt): Likewise.
4072 (genrtl_expr_stmt): Likewise.
4073 (genrtl_decl_stmt): Likewise.
4074 (genrtl_if_stmt): Likewise.
4075 (genrtl_while_stmt): Likewise.
4076 (genrtl_do_stmt): Likewise.
4077 (genrtl_return_stmt): Likewise.
4078 (genrtl_for_stmt): Likewise.
4079 (genrtl_break_stmt): Likewise.
4080 (genrtl_continue_stmt): Likewise.
4081 (genrtl_scope_stmt): Likewise.
4082 (genrtl_switch_stmt): Likewise.
4083 (genrtl_case_label): Likewise.
4084 (genrtl_begin_compound_stmt): Likewise.
4085 (gerntl_finish_compound_stmt): Likewise.
4086 (genrtl_compound_stmt): Likewise.
4087 (genrtl_asm_stmt): Likewise.
4088 (genrtl_decl_cleanup): Likewise.
4089 (DECL_ANON_UNION_ELEMS): Likewise.
4090 (emit_local_var): Likewise.
4091 (make_rtl_for_local_static): Likewise.
4092 (expand_cond): Likewise.
4093 (expand_stmt): Likewise.
4094 (c_expand_return): Likewise.
4095 (c_expand_start_case): Likewise.
4096 (do_case): Likewise.
4097 (COMPOUND_STMT_NO_SCOPE): Likewise.
4098 (c_expand_asm_operands): Likewise.
4099 (NEW_FOR_SCOPE_P): New macro.
4100 (expand_expr_stmt_fn): New type.
4102 (set_current_function_name_declared): Likewise.
4103 (current_function_name_declared): Likewise.
4104 (lang_expand_stmt): Likewise.
4105 (stmts_are_full_exprs_p): Likewise.
4106 (anon_aggr_type_p): Likewise.
4107 (lang_expand_expr_stmt): Likewise.
4108 (build_case_label): Likewise.
4110 * c-decl.c (lang_expand_expr_stmt): Initialize.
4111 (stmts_are_full_exprs_p): Define.
4112 (current_function_name_declared): Likewise.
4113 (do_case): Likewise.
4114 (lang_expand_stmt): Likewise.
4115 (set_current_function_name_declared): Likewise.
4116 (anon_aggr_type_p): Likewise.
4118 * c-semantics.c: New file.
4119 (expand_cond): Moved from cp/semantics.c.
4120 (genrtl_do_pushlevel): Likewise.
4121 (genrtl_clear_out_block): Likewise.
4122 (genrtl_goto_stmt): Likewise.
4123 (genrtl_expr_stmt): Likewise.
4124 (genrtl_decl_stmt): Likewise.
4125 (genrtl_if_stmt): Likewise.
4126 (genrtl_while_stmt): Likewise.
4127 (genrtl_do_stmt): Likewise.
4128 (genrtl_return_stmt): Likewise.
4129 (genrtl_for_stmt): Likewise.
4130 (genrtl_break_stmt): Likewise.
4131 (genrtl_continue_stmt): Likewise.
4132 (genrtl_scope_stmt): Likewise.
4133 (genrtl_switch_stmt): Likewise.
4134 (genrtl_case_label): Likewise.
4135 (genrtl_begin_compound_stmt): Likewise.
4136 (genrtl_finish_compound_stmt): Likewise.
4137 (genrtl_compound_stmt): Likewise.
4138 (genrtl_asm_stmt): Likewise.
4139 (genrtl_decl_cleanup): Likewise.
4140 (make_rtl_for_local_static): Moved from cp/decl.c.
4141 (emit_local_var): Likewise.
4142 (expand_stmt): Define.
4144 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
4145 (c_expand_return): Likewise.
4146 (c_expand_start_case): Likewise.
4148 2000-07-01 Richard Henderson <rth@cygnus.com>
4150 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
4151 with the low 13 bits set.
4152 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
4153 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
4154 of the low 13 bits into a CONST plus an adddi3.
4155 (load_symptr): Set RTX_UNCHANGING_P.
4157 See ChangeLog.3 for earlier changes.