1 2000-05-03 Richard Henderson <rth@cygnus.com>
3 * Makefile.in (start.encap): Do not depend on LIBGCC1.
5 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
7 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
8 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
10 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
11 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
12 objc/Make-lang.in: Use it.
14 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
16 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
18 2000-05-03 Richard Henderson <rth@cygnus.com>
20 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
21 LIBGCC1 empty with libgcc1.null.
23 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
25 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
28 2000-05-03 Greg McGary <gkm@gnu.org>
30 * tree.h (tree_common): Add bounded_flag member. Remove
31 inaccurate comment about number of remaining bits.
32 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
33 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
34 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
35 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
36 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
37 (TYPE_QUAL_BOUNDED): New constant.
38 (TYPE_QUALS): Handle bounded qualifier.
39 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
40 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
41 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
42 TYPE_AMBIENT_BOUNDEDNESS): New macros.
43 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
44 (tree_type): Add pointer_depth member. Remove
45 inaccurate comment about number of remaining bits.
46 (DECL_POINTER_DEPTH): Add macro.
47 (tree_decl): Add pointer_depth member.
49 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
51 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
52 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
53 (lshrhi3_out): Likewise.
54 (ashrsi3_out): bugfix in shift by 8.
55 (test_hard_reg_class): New function.
56 * config/avr/avr.md: Bugfix inside conditions in peepholes.
57 (ashlhi3): removed define_expand of this pattern.
58 (*ashlhi3_insn): renamed to ashlhi3.
59 (ashlsi3): removed define_expand of this pattern.
60 (*ashlsi3_insn): renamed to ashlsi3.
61 (ashrqi3): removed define_expand of this pattern.
62 (*ashrqi3_insn): renamed to ashrqi3.
63 (ashrhi3): removed define_expand of this pattern.
64 (*ashrhi3_insn): renamed to ashrhi3.
65 (ashrsi3): removed define_expand of this pattern.
66 (*ashrsi3_insn): renamed to ashrsi3.
67 (lshrhi3): removed define_expand of this pattern.
68 (*lshrhi3_insn): renamed to lshrhi3.
69 (lshrsi3): removed define_expand of this pattern.
70 (*lshrsi3_insn): renamed to lshrsi3.
72 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
74 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
75 inclusion of "system.h".
77 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
79 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
82 2000-05-03 David Mosberger <davidm@hpl.hp.com>
84 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
86 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
87 -mconstant-gp is in effect and function-descriptors are being used
88 to make indirect calls.
89 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
90 (MASK_AUTO_PIC): Ditto.
91 (TARGET_CONST_GP): Ditto.
92 (TARGET_AUTO_PIC): Ditto.
93 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
94 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
95 -mno-pic is in effect.
96 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
97 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
98 -mauto-pic is in effect.
99 (gprel64_offset): New pattern.
100 (load_gprel64): Ditto.
101 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
102 -mconstant-gp is in effect, no need to preserve gp around direct
105 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
106 (FUNCTION_PROFILER): Define.
107 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
108 @fptr() directive when -mno-pic or -mauto-pic is in effect.
109 (ASM_OUTPUT_DESTRUCTOR): Ditto.
111 2000-05-03 Richard Henderson <rth@cygnus.com>
113 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
114 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
115 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
116 (mklibgcc, libgcc.mk): New targets.
117 (libgcc.a): Use libgcc.mk.
118 (stmp-multilib): Likewise.
119 (stmp-multilib-sub): Remove.
120 (mostlyclean): Don't delete libgcc2 temp files.
121 * configure.in (AC_PROG_CC_C_O): Add.
122 (NO_MINUS_C_MINUS_O): Substitute it.
123 (all_outputs): Add mklibgcc.
124 * mklibgcc.in: New file.
126 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
128 * cppexp.c (op_t): Make an int.
130 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
132 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
134 * gensupport.c (process_rtx): Fix macros used.
136 2000-05-03 Richard Henderson <rth@cygnus.com>
138 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
139 call-clobbered registers of a call.
141 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
143 * gensupport.c: New file.
144 * gensupport.h: New file.
145 * Makefile.in (HOST_RTL): Depend on gensupport.
146 (gensupport.o) New rule.
147 * genattr.c: Use gensupport for reading .md files.
148 * genattrtab.c: Ditto.
150 * genconfig.c: Ditto.
152 * genextract.c: Ditto.
154 * genopinit.c: Ditto.
155 * genoutput.c: Ditto.
158 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
159 * md.texi (Insn Splitting): Document define_insn_and_split.
161 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
163 * flow.c (verify_flow_info): Added two more sanity checks. The
164 first checks that the blocks are numbered consecutively. The second
165 checks that n_basic_blocks is actually equal to the number of
166 basic blocks in the insn chain.
168 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
170 * cpplib.h: Add accessor macros for token lists.
171 * cpplib.c, cpphash.c, cpplex.c: Use them.
173 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
175 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
176 memory usage if not in a function.
177 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
178 return address if static.
180 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
182 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
183 whether address may trap.
185 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
187 * bb-reorder (chain_reorder_blocks): Changed code to test for
188 EDGE_FALLTHRU rather than making erroneous assumption that the
189 first outgoing edge is the fall-through edge.
191 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
193 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
194 ABI for varargs, across all MIPS. This is incompatible because the
195 va_list (__builtin_va_list) structure is different, so a compilation
196 unit passing a va_list and a compilation unit being passed one, should
197 both be compiled with the same ABI. (The old structure had two
198 pointers, now it has three.)
200 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
202 * bb-reorder.c (struct reorder_block_def): Remove members end,
203 block_begin, and block_end.
204 (REORDER_BLOCK_OLD_END): Delete.
205 (REORDER_BLOCK_BEGIN): Delete.
206 (REORDER_BLOCK_END): Delete.
207 (chain_reorder_blocks): Remove dead code.
209 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
211 * bb-reorder.c (remove_scope_notes): Check for both types of scope
212 notes as the end of a basic block before deleting.
214 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
216 * final.c (final_start_function): Fix spelling of "necessary".
218 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
220 * toplev.c (debug_ignore_block): Return int.
221 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
222 * toplev.h, dwarf2out.h: Adjust.
223 * emit-rtl.c (remove_unnecessary_notes): Test return value.
225 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
226 * toplev.c, final.c, rtl.h: Adjust.
228 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
230 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
231 * configure.in: Look for makeinfo in the unified tree, then
232 for a system makeinfo which is sufficiently new.
233 * Makefile.in: If configure says makeinfo is too old, don't
234 build or install Info documentation.
236 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
238 * cpphash.c (collect_params): Fix off-by-one error.
239 (dump_hash_helper): Dump all four macro nodetypes.
241 2000-05-02 Jakub Jelinek <jakub@redhat.com>
243 * cpphash.c (trad_stringify): Adjust p after stringification as
246 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
248 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
249 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
251 * cppfiles.c (file_cleanup): Delete.
252 * cpphash.c (macro_cleanup): Delete.
253 (collect_objlike_expansion, collect_funlike_expansion,
254 macarg, scan_arguments): Remove CPP_POP case.
256 * cpplex.c (null_cleanup): Delete.
257 (cpp_pop_buffer): Do the work that was done in the cleanups
258 here. Call _cpp_unwind_if_stack from here.
259 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
260 cpp_scan_buffer): Run until we see CPP_EOF and the top of
261 stack is the buffer _below_ the one we stacked.
262 (cpp_get_token): Always pop an exhausted buffer. Return
263 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
264 * cpplib.c (skip_if_group): Don't call cpp_get_token to
265 increment the line number.
266 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
268 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
269 we see CPP_EOF and the top of stack is the buffer _below_ the
271 * scan-decls.c: Likewise.
273 2000-05-02 Andrew Haley <aph@cygnus.com>
275 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
276 where this function is called for the second time on a decl that
277 has had its section info changed in such a way as to move it out
279 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
281 2000-05-01 Richard Henderson <rth@cygnus.com>
283 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
284 the sequence we're moving, not to merge_bb->head.
286 2000-05-01 Richard Henderson <rth@cygnus.com>
288 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
289 reference to alpha/t-linux.
290 (alpha*-*-linux-gnu*): Likewise.
291 * configure: Rebuild.
293 * calls.c (expand_call): Don't emit reg notes for a sibcall.
295 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
298 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
300 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
302 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
305 2000-05-01 Richard Henderson <rth@cygnus.com>
307 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
308 emit_conditional_move.
310 2000-05-01 Jakub Jelinek <jakub@redhat.com>
312 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
313 as the dynamic linker.
315 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
317 * cppfiles.c (open_include_file): Open file in blocking mode.
318 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
319 Only exclude block devices and directories.
321 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
322 static. Allocate the hashnode and its string in the same
324 (del_HASHNODE): Don't free h->name.
325 (_cpp_lookup): If there is no entry for this string, create
327 (_cpp_lookup_slot): Delete.
328 * cpphash.h: Update prototypes.
330 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
332 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
333 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
334 node here, just fill in the value field properly. "Delete"
335 entries by setting the value field to T_VOID. Check for
336 hp->type == T_VOID, not hp == NULL.
338 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
339 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
342 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
344 * config/mn10300/mn10300.c (print_operand_address): Do not add
347 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
348 adjusted by less than 256 bytes, use ret regardless of having any
349 callee-saved register to restore.
351 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
353 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
355 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
357 * config/i386/djgpp.h (INT_ASM_OP): Define.
358 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
359 (ASM_WEAKEN_LABEL): Define.
360 (MASK_BNU210): Define.
361 (SUBTARGET_SWITCHES): Define.
362 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
363 (MAKE_DECL_ONE_ONLY): Define.
364 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
366 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
368 * i386/cygwin.h (INT_ASM_OP): Define.
370 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
372 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
373 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
375 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
377 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
378 __tmp_reg__ and __zero_reg__ initialization.
380 2000-04-30 Richard Henderson <rth@cygnus.com>
382 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
384 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
385 referenced bewteen the condition and the jump. Don't delete
386 anything but the jump.
388 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
390 * bb-reorder.c (scope_def): New struct.
391 (scope_forest_info): New struct.
392 (struct reorder_block_def): New member "scope".
393 (REORDER_BLOCK_SCOPE): New macro.
394 (relate_bbs_with_scopes): New function and prototype.
395 (make_new_scope): Likewise.
396 (build_scope_forest): Likewise.
397 (remove_scope_notes): Likewise.
398 (insert_intra_1): Likewise.
399 (insert_intra_bb_scope_notes): Likewise.
400 (insert_inter_bb_scope_notes): Likewise.
401 (rebuild_scope_notes): Likewise.
402 (free_scope_forest_1): Likewise.
403 (free_scope_forest): Likewise.
404 (dump_scope_forest): Likewise.
405 (dump_scope_forest_1): Likewise.
406 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
407 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
409 (reorder_basic_blocks): Added calls to build_scope_scope_forest
410 and remove_scope_notes before reordering is done. Added calls to
411 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
412 after reordering is done.
414 2000-40-30 Bruce Korb <bkorb@gnu.org>
416 * fixinc/inclhack.def: Added definitions needed by OSR5,
417 removed two stale entries (defined away with OLD_CPP).
418 * fixinc/inclhack.sh: regen
419 * fixinc/fixincl.x: regen
421 2000-04-30 Richard Henderson <rth@cygnus.com>
423 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
424 from the last insn in the sequence.
426 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
428 * cpplex.c (cpp_idcmp): New function.
429 * cpplib.h: Prototype it.
430 * scan_decls.c (scan_decls): Use it to inspect token names.
431 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
432 the file being run through the preprocessor.
433 (check_macro_names): Provide length of token to cpp_defined.
435 * Makefile.in: Remove stale warning message.
437 * cppfiles.c (redundant_include_p): Provide length of token to
439 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
440 values are unsigned int.
441 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
442 (_cpp_lookup_slot): Do not calculate the hash, either.
443 * cpphash.h: Update prototypes.
444 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
445 Hashes are unsigned int. Calculate hash here, pass by value
448 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
450 * simplify-rtx.c (check_value_useless): Delete function.
451 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
453 (cselib_invalidate_regno): Likewise.
454 (cselib_invalidate_mem_1): Likewise.
455 (references_value_p): Recognize useless values by the fact that they
457 (discard_useless_values): Likewise.
458 (cselib_record_set): This may turn a useless value
461 2000-04-30 Richard Henderson <rth@cygnus.com>
463 * config/d30v: New port.
465 * configure.in (d30v-*): Set fp format.
466 * configure: Rebuild.
468 2000-04-30 Richard Henderson <rth@cygnus.com>
471 * Makefile.in (OBJS): Add it.
472 (ifcvt.o): New target.
473 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
474 and conditional arithmetic.
475 (find_insert_position): Remove.
476 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
477 * toplev.c (DFI_ce, DFI_ce2): New.
478 (dump_file): Add ce and ce2 dumps.
479 (rest_of_compilation): Run if_convert a couple o times. Set
480 cse_not_expected after cse2. Don't set no_new_pseudos until
481 after sched1 or recompute_reg_usage.
483 2000-04-30 Richard Henderson <rth@cygnus.com>
485 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
486 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
488 2000-04-30 Richard Henderson <rth@cygnus.com>
490 * flow.c (struct reg_cond_life_info): New.
491 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
492 (init_propagate_block_info): Initialize them.
493 (free_propagate_block_info): Destruct them.
494 (mark_set_1): Consider conditional life before killing a register.
495 (mark_regno_cond_dead): New.
496 (free_reg_cond_life_info): New.
497 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
498 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
499 (mark_used_reg): Record conditional life.
501 * haifa-sched.c (schedule_insns): Disable death counting
502 sanity check for HAVE_conditional_execution.
504 2000-04-30 Richard Henderson <rth@cygnus.com>
506 * Makefile.in (TIMEVAR_H): New.
507 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
508 (timevar.h): Remove rule.
510 2000-04-29 Richard Henderson <rth@cygnus.com>
512 * config/alpha/crtend.asm: Use C comments instead of #.
513 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
515 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
517 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
519 * cpphash.h (enum node_type: Take out T_MCONST.
520 (union hashval): Move into struct hashnode.
521 (struct hashnode): Pack tighter. Remove file, line, col
523 * cpphash.c: Constify most of the macro-definition structures.
524 (struct definition): Replace by struct object_defn
525 and struct funct_defn. Put file, line, column information
526 here. All users updated to match.
527 (_cpp_create_definition, _cpp_macroexpand): Remove special
528 case for #define WORD OTHERWORD.
529 * cpplib.c (do_undef): Remove T_MCONST case.
531 * cpphash.h: Move struct reflist, struct definition, and the
532 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
533 union hashval. _cpp_free_definition takes a HASHNODE pointer.
534 * cpphash.c (_cpp_free_definition): Free data pointed to by
535 MCONST, XCONST, MACRO, and FMACRO nodes properly.
536 (_cpp_create_definition, del_HASHNODE): Just call
537 _cpp_free_definition to clear out a hashnode.
538 * cpplib.c (do_pragma_poison): Likewise.
540 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
542 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
543 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
544 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
545 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
546 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
547 REGNO_AM33_P): Redefine in terms of the new macros.
548 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
549 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
550 STRUCT_VALUE): Likewise.
551 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
552 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
554 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
556 * regmove.c (struct record_stack_memrefs_data): New.
557 (record_stack_memrefs): New function.
558 (combine_stack_adjustments_for_block): Use it.
560 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
562 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
563 use special_function_p to detect alloca.
565 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
567 * gcc.texi: Fixes for makeinfo 4.0 --html.
569 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
571 * pcp.h: Delete file.
573 2000-04-28 Kazu Hirata <kazu@hxi.com>
575 * h8300.c (function_epilogue): Clean up flags when the last insn
576 in a function is a barrier.
578 2000-04-28 Chris Demetriou <cgd@sibyte.com>
580 * configure.in (sparc-hal-solaris2*): protect [] glob from
582 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
583 rather than hard-coded constants in target_cpu_default2.
584 * configure: Regenerate.
586 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
588 * tree.c (get_callee_fndecl): Extract the initial value from
591 2000-04-28 Richard Henderson <rth@cygnus.com>
593 * varasm.c (record_constant_1): Record the CODE_LABEL when
594 taking the address of a LABEL_REF.
596 2000-04-28 Richard Henderson <rth@cygnus.com>
597 Jan Hubicka <jh@suse.cz>
599 * calls.c (combine_pending_stack_adjustment_and_call): Return the
600 adjustment; don't do the stack adjust.
601 (expand_call): Call compute_argument_block_size right before
602 allocating the block; update comment; don't do alignment sanity
603 checking for sibling call; use args_size instead of
604 unadjusted_args_size before args_size is adjusted. Use
605 combine_pending_stack_adjustment_and_call to compute stack adjust
606 for must_preallocate case.
608 * expr.c (push_block): Remove shadow `temp' in inner scope.
610 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
612 * toplev.c (rest_of_compilation): Call
613 note_deferral_of_defined_inline_function even if the function
616 2000-04-28 Scott Bambrough <scottb@netwinder.org>
618 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
620 2000-04-28 Richard Henderson <rth@cygnus.com>
622 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
624 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
626 * timevar.c (init_timevar): DeANSIfy function definition.
628 2000-04-27 Alex Samuel <samuel@codesourcery.com>
630 * Makefile.in (timevar.o): Depend on flags.h.
631 * timevar.c (unused_stack_instances): New variable.
632 (timevar_push): Take a timevar_stack_def from
633 unused_stack_instances if available.
634 (timevar_pop): Push the popped timevar_stack_def onto
635 unused_stack_instances.
636 (TIMEVAR_ENABLE): New macro.
637 (timevar_def): Make standalone a 1-bit field. Add field used.
638 (get_time): Rename parameter to now. Return after clearing it if
640 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
641 (timevar_pop): Likewise.
642 (timevar_stop): Likewise.
643 (timevar_push): Likewise. Mark the timing variable as used.
644 (timevar_start): Likewise.
645 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
646 timevars that were never used.
648 2000-04-27 Mark Mitchell <mark@codesourcery.com>
650 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
651 always TREE_READONLY.
653 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
655 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
656 for call instruction with mode QImode.
658 2000-04-27 Alex Samuel <samuel@codesourcery.com>
660 * Makefile.in (OBJS): Add timevar.o.
661 (toplev.o): Depend on timevar.h.
662 (ggc-simple.o): Likewise.
663 (ggc-page.o): Likewise.
664 (timevar.o): New rule.
665 (timevar.h): New rule.
667 * timevar.h: New file.
668 * timevar.c: Likewise.
669 * timevar.def: Likewise.
671 * toplev.h (gc_time, parse_time, varconst_time): Remove.
672 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
674 (TIMEVAR): Remove macro.
675 (gc_time, parse_time, varconst_time, integration_time, jump_time,
676 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
677 flow_time, combine_time, regmove_time, sched_time,
678 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
679 sched2_time, dbr_sched_time, reorder_blocks_time,
680 rename_registers_time, shorten_branch_time, stack_reg_time,
681 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
683 (compile_file): Don't initialize time variables. Call
684 init_timevar and start TV_TOTAL timer. Call timevar_print instead
685 of many calls to print_time.
686 (rest_of_compilation): Add timing for reload_cse_regs.
687 (get_run_time): Removed to timevar.c.
688 (print_time): Likewise.
689 (get_run_time): Implement using TV_TOTAL time variable.
690 (print_time): Get total run time from get_run_time.
691 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
692 computing elapsed time explicitly.
693 * ggc-simple.c (ggc_collect): Likewise.
694 (gc_time): Remove declaration.
696 2000-04-27 Mark Mitchell <mark@codesourcery.com>
698 * calls.c (combine_pending_stack_adjustment_and_call): New function.
699 (expand_call): Use it.
701 2000-04-27 Jan Hubicka <jh@suse.cz>
703 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
706 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
708 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
711 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
713 * function.c (epilogue_done): Pass whole insn to record_insns.
715 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
717 * cse.c (CSE_ADDRESS_COST): Remove.
718 (find_best_addr): Add new parameter "MODE", use address_cost instead
721 (fold_rtx): Update call of find_best_addr.
722 * rtl.h (address_cost): Declare.
723 * loop.c (general_induction_var): Add new parameter "MODE", use
724 address_cost instead of ADDRESS_COST
725 (init_loop): Use address_cost instead of ADDRESS_COST.
726 (check_insn_for_givs): Update call of general_induction_var.
727 (find_mem_givs): Likewise.
728 (consec_sets_giv): Likewise.
729 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
730 * i386.c (ix86_address_cost): New.
731 * i386-protos.h (ix86_address_cost): Declare.
733 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
735 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
738 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
740 * expr.c (store_expr): Use clear_storage instead of direct memset
743 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
745 * config/mn10300/mn10300.c (mn10300_address_cost): Test
746 ASHIFT, AND and LABEL_REF.
748 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
750 * invoke.texi (-foptimize-sibling-calls): Fix.
752 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
754 * loop.c (load_mems) Don't use hard registers for the hoisting.
756 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
757 calculation; rename const_equiv array in the preconditioning code
758 from loop_unroll to loop_unroll_precondition
760 2000-04-27 Richard Henderson <rth@cygnus.com>
762 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
764 (propagate_one_insn): Clear it. Don't update reg_live here.
765 (init_propagate_block_info): Update for pbi member changes.
766 (free_propagate_block_info): Likewise.
767 (mark_set_1): Know that zero_extract, sign_extract, and
768 strict_low_part don't kill their argument. Alter hard subregs.
769 Update new_set for non-CLOBBER sets. Update reg_live.
770 (find_auto_inc): Update reg_live, not new_dead.
771 (mark_used_reg): Update reg_live, not new_live. Examine new_set
772 to determine if the reg in question was set this insn. Only update
773 reg info with PROP_REG_INFO.
775 2000-04-26 Richard Henderson <rth@cygnus.com>
777 * flow.c (allocate_reg_life_data): Set max_regno here ...
778 (life_analysis): ... not here.
780 * flow.c (calculate_global_regs_live): Force stack pointer
783 2000-04-26 Richard Henderson <rth@cygnus.com>
785 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
786 commit change group changes.
787 (invert_exp_1): Similarly.
788 (redirect_exp, invert_exp): Use them.
789 (redirect_jump_1): New.
790 (invert_jump_1): New.
791 (jump_optimize_1): Remove code subsumed by condexec.c.
792 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
794 2000-04-26 Richard Henderson <rth@cygnus.com>
796 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
798 * genconfig.c (main): Set all HAVE_foo to 1.
800 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
802 2000-04-26 Alex Samuel <samuel@codesourcery.com>
804 * invoke.texi: Document -fssa flag.
806 2000-04-26 Richard Henderson <rth@cygnus.com>
808 * flow.c (count_reg_sets_1): Remove.
809 (count_reg_sets, count_reg_references): Remove.
810 (recompute_reg_usage): Implement with update_life_info.
811 Reallocate life data.
813 2000-04-26 Richard Henderson <rth@cygnus.com>
815 * flow.c (update_life_info): Consider blocks null to mean the
817 (calculate_global_regs_live): Likewise.
818 (life_analysis): Do that instead of collecting all_blocks.
820 2000-04-26 Richard Henderson <rth@cygnus.com>
822 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
823 a still-valid conditional jump.
825 2000-04-26 Richard Henderson <rth@cygnus.com>
827 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
829 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
830 * flow.c (calculate_loop_depth): Remove.
831 * output.h (calculate_loop_depth): Don't declare.
832 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
833 inline; run estimate_probability at the same time.
835 2000-04-26 Neil Booth <NeilB@earthling.net>
837 * cpplib.h: "~=" is not a single pp-token.
838 * cpplex.c: Correct commentary.
840 2000-04-26 Richard Henderson <rth@cygnus.com>
842 * flow.c (mark_set_1): New arguments code and flags; update all
843 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
844 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
845 loop_depth when optimizing for size. Do new_dead update after
846 emitting REG_UNUSED notes. Merge mark_set_reg code.
847 (mark_set_reg): Remove.
848 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
849 arrange to not emit REG_UNUSED notes.
851 2000-04-26 Richard Henderson <rth@cygnus.com>
853 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
854 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
856 2000-04-26 Richard Henderson <rth@cygnus.com>
858 * flow.c (propagate_one_insn): Break out from propagate_block.
859 (init_propagate_block_info): Likewise.
860 (free_propagate_block_info): Likewise.
861 (propagate_block): Use them. Export.
862 * basic-block.h: Declare them all.
864 2000-04-26 Richard Henderson <rth@cygnus.com>
866 * basic-block.h (life_analysis): Declare here ...
867 * output.h: ... not here.
868 * flow.c (life_analysis): Remove nregs parameter; replace
869 remove_dead_code with flags. Remove ssa dead code check.
870 Only init alias analysis if we'll use it.
871 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
872 * ssa.c (convert_to_ssa): Likewise.
873 (convert_from_ssa): Likewise.
874 * toplev.c (rest_of_compilation): Likewise.
876 2000-04-26 Richard Henderson <rth@cygnus.com>
878 * flow.c (flow_delete_block): Rename from delete_block. Export.
879 * basic-block.h (flow_delete_block): Declare.
881 2000-04-26 David S. Miller <davem@redhat.com>
883 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
884 taking a PATTERN of it.
886 2000-04-26 <NeilB@earthling.net>
888 * cpplex.c (spell_other, spell_char): Remove.
890 (token_spelling, trigraph_map): Use unsigned chars.
891 (_cpp_lex_line): Tidy up the switch statement.
892 * cpplib.h: Implement spell_char with spell_string.
895 2000-04-26 <RodneyBrown@pmsc.com>
897 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
898 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
900 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
902 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
903 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
904 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
905 dwarf2out_return_save, dwarf2out_return_reg,
906 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
907 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
908 gen_compile_unit_die, dwarf2out_init): Constify a char*.
910 * dwarf2out.h (dwarf2out_init): Likewise.
912 * dwarfout.c (filename_entry, primary_filename, last_filename,
913 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
915 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
916 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
917 dwarf2out_return_reg): Likewise.
919 2000-04-26 Andreas Jaeger <aj@suse.de>
921 * extend.texi (Function Attributes): Fix description of pure
924 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
926 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
927 before calling rest_of_compilation.
929 2000-04-26 Andreas Jaeger <aj@suse.de>
931 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
934 2000-04-25 Richard Henderson <rth@cygnus.com>
936 * cse.c (cse_insn): Emit barrier after unconditional jump.
938 * calls.c (expand_call): Disable tail call generation once
939 rtx_equal_function_value_matters is false.
941 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
944 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
946 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
948 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
950 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
951 is the primary DIE for a member function.
952 (gen_decl_die): Call set_decl_origin_self here.
953 * dwarfout.c (output_decl): And here.
954 * integrate.c (output_inline_function): Not here.
955 Don't clear DECL_INLINE until after calling rest_of_compilation.
956 (set_decl_origin_self): No longer static.
957 * tree.h: Add prototype.
958 * toplev.c (note_deferral_of_defined_inline_function): Only write
959 out abstract instance for actual inlines.
961 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
963 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
964 EXTENDED_REGS only if TARGET_AM33.
965 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
966 SP_REGS to register allocation and reloading unless absolutely
968 (movsi3): Remove special-case of adding non-constants to SP.
970 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
972 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
973 INCLUDES to search and does not provide any of its own. Also it
974 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
975 parameters. Also it does not call AC_DEFINE.
976 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
977 AC_DEFINE and provides for automatic entries for autoheader.
978 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
980 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
981 so we can pass -I flags and include gansidecl.h/system.h in this
984 * acconfig.h: Delete all NEED_DECLARATION_* entries.
986 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
988 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
989 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
990 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
992 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
993 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
994 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
995 for these macros. Clean up spacing and linewraps.
997 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
999 * calls.c (expand_call): Use get_callee_fndecl.
1001 * print-tree.c (print_node): Print the chain of an _EXPR.
1003 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
1004 Jim Wilson <wilson@cygnus.com>
1005 Andrew Haley <aph@cygnus.com>
1007 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
1008 and gp save/restore problems.
1009 * config/ia64/crtend.asm: Add IA-64 unwind support.
1010 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
1011 in fr_pad_size calculation.
1012 (save_restore_insns): Move PR save area. Correct uses of
1013 RTX_FRAME_RELATED_P.
1014 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
1015 (ia64_expand_epilogue): Add eh_epilogue support.
1016 (ia64_function_prologue): Emit .prologue directive.
1017 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
1018 (ia64_override_options): Set init_machine_status and
1019 mark_machine_status.
1020 (rtx_needs_barrier): Handle bsp reads and writes.
1021 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
1022 New static variables.
1023 (process_set, process_for_unwind_directive): New functions.
1024 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
1025 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
1026 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
1028 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
1029 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
1030 (struct machine_function): Define.
1031 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
1033 2000-04-25 Bruce Korb <bkorb@gnu.org>
1035 * fixinc/Makefile.in: make the removal of old programs more
1037 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
1038 install-bin and install-sh
1040 2000-04-25 Nick Clifton <nickc@cygnus.com>
1042 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
1043 defined, define to return zero.
1044 (function_cannot_inline_p): If a function has any target
1045 specific attributes, then use the macro
1046 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
1047 whether it can be inlined. If it cannot, issue a suitable
1050 * tm.texi: Add a new node 'Inlining' to document the new macro
1051 FUNCTION_ATTRIBUTE_INLINABLE_P.
1053 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
1055 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
1058 2000-04-25 Neil Booth <NeilB@earthling.net>
1060 Restore previous patch, plus the following fixes:
1062 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
1063 flags, not CPP_OPEN_PAREN.
1064 * cpplex.c (expand_token_space, init_token_list,
1065 cpp_free_token_list): Put the dummy token at list->tokens[-1].
1066 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
1068 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1070 * config/i386/freebsd.h (INT_ASM_OP): Define.
1072 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
1074 * loop.c (strength_reduce): Fix typo in the last checkin.
1076 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1078 * stor-layout.c (finalize_record_size): Simplify to use existing
1080 (compute_record_mode): No longer static.
1081 * tree.h (compute_record_mode): New declaration.
1083 2000-04-25 Neil Booth <NeilB@earthling.net>
1085 * Revert my patch below until cause of build failures
1088 2000-04-25 Richard Henderson <rth@cygnus.com>
1090 * combine.c (combine_instructions): Add missing argument
1093 * toplev.c (rest_of_compilation): Delay sibcall optimization
1094 until after emit_eh_context.
1096 2000-04-24 Nick Clifton <nickc@redhat.com>
1098 * combine.c (combine_instructions): Do not try to combine a
1099 sequence of insns when the second insn has been replaced by a
1102 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
1104 * gcc.c (load_specs): New static function.
1105 (read_specs): Use it.
1107 * gcc.c (lookup_compiler): Make multiple passes for case
1108 insensitive filesystems.
1110 2000-04-24 Neil Booth <NeilB@earthling.net>
1112 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
1113 * cpphash.h (_cpp_check_directive): new.
1114 * cpplex.c (handle_newline, cpp_free_token_list,
1115 init_trigraph_map, trigraph_ok, trigraph_replace,
1116 backslash_start, skip_block_comment, skip_line_comment,
1117 skip_whitespace, parse_name, parse_number, parse_string,
1118 copy_comment, _cpp_lex_line, spell_char, spell_string,
1119 spell_comment, spell_name, spell_other, _cpp_lex_file,
1120 _cpp_output_list): new.
1121 (expand_name_space): take length argument.
1122 (init_token_list): add comment list initialisation.
1123 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
1124 instead of HSPACE_BEFORE.
1126 * cpplib.c (_cpp_check_directive): new
1127 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
1128 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
1129 (HSPACE_BEFORE): delete.
1130 (TTYPE_TABLE): rearrange.
1131 (struct cpp_toklist): update.
1133 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1135 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
1136 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
1137 argument form of AC_DEFINE.
1139 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
1140 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
1141 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
1142 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
1143 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
1145 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
1147 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1149 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
1150 deduced.h): Use -isystem, not -I, for including system headers.
1152 2000-04-24 Nick Clifton <nickc@cygnus.com>
1154 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
1155 the source register is the frame pointer or arg pointer.
1156 (addsi3_small_int): Disallow if source register is the frame
1157 pointer or arg pointer.
1159 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1161 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
1162 call to AC_MSG_RESULT.
1164 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1166 * invoke.texi: Correct grammatical errors, document
1167 -fno-gnu-keywords as identical to -fno-asm for C++.
1169 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1171 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
1172 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
1173 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
1174 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
1175 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
1177 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
1178 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
1179 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
1180 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
1183 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
1185 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
1186 (pop_alignment): Likewise.
1187 (handle_pragma_token): Likewise.
1189 2000-04-24 Robert Lipe <robertlipe@usa.net>
1191 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
1193 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
1195 * combine.c (try_combine): Update reg_nonzero_bits of
1196 newi2pat before newpat.
1198 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
1200 * loop.c (strength_reduce): Simplify test to INSN_P.
1201 (record_giv): Attempt to simplify the add value, use CONSTANT_P
1202 expressions instead of CONST_INT.
1203 (express_from_1): Likewise.
1205 2000-04-24 Mark Mitchell <mark@codesourcery.com>
1207 * regs.h (reg_n_max): Don't declare.
1208 * flow.c (reg_n_max): Don't define.
1209 * regclass.c (renumber): Don't initialize to zero.
1210 (regno_allocated): Likewise.
1211 (reg_n_max): Define.
1212 (allocate_reg_info): Don't initialize unnecessarily.
1214 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
1216 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
1217 and blockage_p in the newly allocated attribute.
1219 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
1221 * config/mn10300/mn10300.md (addsi): `inc4' on address
1222 registers does not modify cc, but `inc' on an extended
1225 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
1227 * reload.c (find_equiv_reg): Checks all valueno regs
1228 as a reload_reg_p regs.
1230 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
1232 * cpphash.c (collect_objlike_expansion): Add sanity check.
1233 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
1234 the buffer is the empty string, return. Mark __DATE__ and
1235 __TIME__ as XCONST nodes, not MCONST.
1236 (_cpp_macroexpand): Avoid pushing an empty buffer.
1237 (funlike_macroexpand): Don't pop token_buffer here.
1239 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
1241 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
1242 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
1243 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
1244 (REGNO_OK_FOR_BASE_P): Define in terms of them.
1245 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
1246 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
1247 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
1249 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1251 * loop.c (simplify_giv_expr): Be more agressive on simplifying
1254 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
1256 * cpphash.h (struct definition): Move file, line, col members...
1257 (struct hashnode): ... here. Also add 'disabled' flag.
1258 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
1259 T_IDENTITY. Remove T_DISABLED.
1262 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
1263 (collect_expansion): Split into collect_objlike_expansion and
1264 collect_funlike_expansion.
1265 (_cpp_macroexpand): Split out scan_arguments, stringify, and
1266 funlike_macroexpand.
1267 (_cpp_compare_defs): Rename compare_defs, make static.
1268 (_cpp_make_hashnode): Initialize hp->disabled.
1269 (macro_cleanup): Adjust for new token types. Clear
1271 (_cpp_create_definition): Move code here to determine what
1272 sort of macro it is, and code to check for redefinitions, from
1273 do_define. Implement a few simple cases without creating a
1275 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
1276 Handle the simple cases.
1277 (push_macro_expansion): Set buf->has_escapes and hp->disabled
1280 * cppinit.c (builtin_array): Change MCONST to XCONST
1282 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
1283 fix check for disabled and function-like macros.
1284 * cpplib.c (do_define): Move most logic to
1285 _cpp_create_definition.
1286 (do_undef): Handle new special token types.
1288 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
1290 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
1291 of CONSTANT_P for mult_val; always use validate_change to update insn.
1293 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
1295 * cpphash.c (trad_stringify, add_pat): New functions.
1296 (collect_expansion): Restore support for -traditional syntax.
1297 Use trad_stringify and add_pat.
1298 (_cpp_macroexpand): Restore support for -traditional semantics.
1299 * cpplex.c (_cpp_scan_line): Don't change space_before if we
1300 get a COMMENT token.
1301 (_cpp_lex_token): Provide COMMENT tokens to caller if
1302 traditional and parsing_define_directive.
1303 (skip_comment): Warn about // comments if -Wtraditional.
1304 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
1306 (do_undef): Don't warn about undefining EMPTY nodes.
1308 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
1310 * loop.c (strength_reduce): Fix biv removal code.
1312 2000-04-22 Richard Henderson <rth@cygnus.com>
1314 * predict.c (estimate_probability): Examine both sides of
1315 a branch for no exits. Use 90% not 50% for predict taken.
1316 Reorg for one copy of note generation code.
1318 2000-04-22 Richard Henderson <rth@cygnus.com>
1320 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
1322 2000-04-22 Richard Henderson <rth@cygnus.com>
1324 * diagnostic.c (init_output_buffer): Don't initialize format_args.
1325 (output_clear): Likewise.
1326 (output_printf): Use va_copy.
1327 (vline_wrapper_message_with_location): Likewise.
1328 (v_message_with_decl): Likewise.
1329 (line_wrapper_printf): VA_START infor buffer.format_args directly.
1330 * system.h (va_copy): Provide default implementation.
1332 2000-04-22 Richard Henderson <rth@cygnus.com>
1334 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
1335 the collected condition is not a constant.
1337 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
1339 * diagnostic.h: New file.
1341 * Makefile.in (diagnostic.o): Depends on diagnostic.h
1343 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
1344 various function prototypes.
1345 (diagnostic.h): #include.
1346 (struct output_buffer): Move into diagnostic.h.
1347 (get_output_prefix): Rename to output_get_prefix. Export.
1348 (init_output_buffer): Export. Break out. Ajust intialization.
1349 (output_space_left, output_append): Export.
1350 (output_newline): Rename to output_add_newline. Export.
1351 (output_clear): Nullify additional output_buffer fields.
1352 (output_puts): Rename to output_add_string. Export.
1353 (dump_output): Rename to output_flush_on. Export.
1354 (build_location_prefix): Constify return-type.
1355 (emit_output_prefix): Rename to output_emit_prefix. Export.
1356 (set_real_maximum_length): New function.
1357 (output_set_maximum_length): Ditto
1358 (output_clear): Ditto.
1359 (output_add_character): Ditto.
1360 (output_add_integer): Ditto.
1361 (output_add_space): Ditto.
1362 (output_format): Ditto.
1363 (output_printf): Adjust buffer initialization.
1364 (vline_wrapper_message_with_location): Ditto.
1365 (v_message_with_decl): Ditto. Adjust call to output_puts
1366 and get_output_prefix.
1367 (default_print_error_function): Adjust buffer intialization.
1369 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1371 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
1374 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
1376 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
1379 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
1381 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
1382 accurate data about SP moves.
1384 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
1386 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
1387 aliases to AM33 registers.
1389 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
1391 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
1392 to all EXTENDED bitmaps.
1394 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
1396 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
1397 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
1398 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
1400 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
1402 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
1403 the operand is not constant.
1405 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
1407 * reload.c (find_equiv_reg): Checks all valueno and regno regs
1408 as a call-clobbered regs.
1410 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1412 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
1414 * rtl.def: Update comment.
1415 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
1416 * integrate.c (expand_inline_function): Likewise.
1417 * profile.c (branch_prob): Likewise.
1418 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
1419 * print-rtl.c (print_rtx): Likewise.
1420 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
1421 (reemit_notes): Likewise; also use enum insn_note.
1423 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
1424 (place_field): Properly compute know and actual alignment.
1426 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
1429 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
1432 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
1434 * cpphash.c (struct arg, struct arglist): Const-ify strings.
1435 (warn_trad_stringify, duplicate_arg_p): New helper functions.
1436 (collect_expansion): Rewrite to scan over a token list.
1437 Remove -traditional support.
1438 (collect_formal_parameters): Rename to collect_params; rewrite
1439 to scan over a token list.
1440 (_cpp_create_definition): Adjust to scan a token list.
1441 (_cpp_macroexpand): Remove -traditional support.
1442 (_cpp_compare_defs): Whitespace is now canonicalized.
1443 (comp_def_part): Delete function.
1445 * cpphash.h: Update prototypes.
1446 * cpplex.c (init_token_list): Don't set lineno if there is no
1448 (pedantic_whitespace): New function.
1449 (_cpp_scan_line): Mark tokens that had hspace before. Don't
1450 consume a newline. Use pedantic_whitespace.
1451 (_cpp_lex_token): Remove support for -traditional macros.
1452 (_cpp_get_define_token): Delete.
1453 (_cpp_get_directive_token): Do the real work here. Use
1454 pedantic_whitespace.
1455 (_cpp_init_input_buffer): Initialize pfile->directbuf.
1457 * cpplib.c (get_macro_name): Delete.
1458 (do_define): Read the entire line into pfile->directbuf, then
1459 feed the token list to _cpp_create_definition.
1460 * cpplib.h (HSPACE_BEFORE): new define.
1461 (struct cpp_reader): Add a toklist member, "directbuf".
1463 * predict.c (estimate_probability): New heuristic: if a jump
1464 branches around a block with no successors, predict it taken.
1465 Disentangle control flow.
1467 2000-04-20 Richard Henderson <rth@cygnus.com>
1469 * loop.c (emit_iv_add_mult): Revert last change.
1471 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1473 * cpplib.h (enum cpp_ttype): Add token types for all
1474 punctuators. Distinguish pp-numbers from valid C numbers.
1475 Give some tokens better names. Initialize from macro.
1476 (struct cpp_name, cpp_token, cpp_toklist): New data
1479 * cpplex.c (bump_column, expand_name_space,
1480 expand_token_space, init_token_list, cpp_output_list,
1481 _cpp_scan_line): New functions.
1482 (output_line_command): Add third argument, new line number.
1483 * cpphash.h: Update prototypes.
1484 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
1487 2000-04-20 Richard Henderson <rth@cygnus.com>
1489 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
1491 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1493 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
1496 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
1498 * loop.c (emit_iv_add_mult): Simplify it's input and emit
1499 REG_EQUAL note explaining the calculated value.
1501 * calls.c (expand_call): Avoid unnecesary precalculation
1502 and outgoing parameters space guarding for sibling calls.
1503 (store_one_arg): Likewise.
1505 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1507 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
1508 (rest_of_compilation): Write sibling dump file and account
1509 for time as jump time.
1510 * invoke.texi: Update documentation on dump flags.
1512 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
1514 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
1516 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
1518 * cpphash.c (special_symbol): Represent an empty macro with
1519 "\r \r " not just "\r ".
1520 (_cpp_macroexpand): Correct condition for the foo ( ) special
1522 (unsafe_chars): Handle EOF as second argument.
1523 (push_macro_expansion): Simplify test for removing escape at
1524 end. Do not trim both escapes if there is no text in between.
1526 2000-04-19 Jim Blandy <jimb@redhat.com>
1528 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
1529 of PTR_SIZE, when appropriate.
1531 2000-04-19 Mark Mitchell <mark@codesourcery.com>
1533 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
1534 (USE_ENUM_BITFIELDS): Fix typo.
1536 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1538 * stor-layout.c (place_field): Set rli->offset_align properly.
1540 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1542 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
1543 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
1544 PARM_BOUNDARY): Remove unnecessary casts.
1546 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
1548 * calls.c (precompute_arguments): Remove must_preallocate and
1550 (expand_call): Update call of precompute_arguments.
1552 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
1553 check_insn_for_givs): Break out from ...
1554 (strength_reduce) ... here; use for_every_insn_in_loop to call
1555 check_insn_for_givs.
1556 * loop.h (for_every_insn_in_loop): Declare.
1557 (loop_insn_callback): New type.
1559 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1561 * cpplib.c (do_pragma_poison): Strings in the token buffer are
1564 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
1566 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
1569 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1571 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
1573 * configure.in: Delete --disable-cpplib option and all
1574 references to cpp_main.
1575 * configure: Regenerate.
1576 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
1577 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
1578 cccp.o, cccp, or cppmain. Link cppmain.o straight to
1579 cpp$(exeext). Add --no-headers to makeinfo command line when
1580 generating INSTALL. Install and uninstall cpp.1 manpage, not
1582 * install.texi: Delete all references to cexp.y/cexp.c.
1583 Delete ancient instructions for compiling GCC on 3b1.
1584 * INSTALL: Regenerate.
1586 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
1587 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
1588 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
1590 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
1591 which is no longer tested anywhere.
1593 * cppinit.c (handle_option): Don't run error message through
1596 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1598 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
1599 * cpperror.c (hashtab.h): Now include.
1600 * cppexp.c (hashtab.h): Likewise.
1601 * cpplex.c (hashtab.h): Likewise.
1602 * cppfiles.c (hashtab.h): Likewise.
1603 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
1604 to htab_find_slot_with_hash.
1605 * cpphash.c (hashtab.h): Now include.
1606 (_cpp_lookup_slot): INSERT is now enum insert_option.
1607 * cpphash.h (_cpp_lookup_slot): Likewise.
1608 * cppinit.c (hashtab.h): Include earlier.
1609 (initialize_builtins): Pass enum to htab_find_slot.
1610 * cpplib.c (hashtab.h): Now include.
1611 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
1612 (do_pragma_poison, do_assert): Likewise.
1613 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
1614 htab_find_slot_with_hash.
1615 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
1616 * tree.c (type_hash_add): Likewise.
1617 (build1): Minor cleanup.
1619 * ggc-common.c: Add missing blanks.
1620 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
1621 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
1623 * stmt.c (mark_case_node): New function.
1624 (mark_case_nesting): Call it.
1626 * expmed.c (emit_store_flag): If comparing two-word integer
1627 with zero, can optimize NE, EQ, GE, and LT.
1629 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
1630 * conflict.c: Minor cleanups.
1631 * optabs.c: Add blank line
1632 * simplify-rtx.c: Minor cleanups.
1634 2000-04-18 Stan Cox <scox@cygnus.com>
1636 * gengenrtl.c (genlegend): Fix misspelling.
1638 2000-04-18 Robert Lipe <robertlipe@usa.net>
1640 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
1641 bitfields of the host compiler are not signed quantities.
1642 * config.in: Regenerate.
1643 * configure: Regenerate.
1644 * system.h (USE_ENUM_BITFIELDS): Added.
1645 (ENUM_BITFIELDS): Added.
1646 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
1647 (SHORT_ENUM_BUG): Deleted.
1648 * tree.h (tree_common): Members `code', `mode', `built_in_class',
1650 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
1651 (CODE_FIELD_BUG): Likewise.
1652 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
1654 * config/m68k/x-ccur (X_CFLAGS): Likewise.
1656 2000-04-18 Mark Mitchell <mark@codesourcery.com>
1658 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
1661 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1663 * cppexp.c (lex): Don't assume tokens are NUL terminated.
1664 * cpplib.c (do_include, do_import, do_include_next,
1665 read_line_number, detect_if_not_defined): Likewise.
1666 * cpphash.c (collect_expansion): Likewise.
1667 (special_symbol, _cpp_macroexpand): Check return from
1669 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
1670 macros. Delete all uses.
1672 * gcc.dg/cpp-mi.c: Add two more test cases.
1673 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
1675 2000-04-17 Richard Henderson <rth@cygnus.com>
1677 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
1678 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
1680 2000-04-17 Mark Mitchell <mark@codesourcery.com>
1682 * function.c (expand_function_start): Use hard_function_value to
1683 compute the RTL to use for DECL_RESULT.
1685 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
1687 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
1688 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1689 x86_memory_mismatch_stall): New global variables.
1690 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
1691 alloved; fix load penalties for Athlon.
1692 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1693 x86_memory_mismatch_stall): Declare.
1694 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
1695 TARGET_MEMORY_MISMATCH_STALL): New.
1696 * i386.md (athlon scheduling parameters): Fix latencies according to
1697 Athlon Optimization Manual.
1698 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
1700 (fsqrt instruction patterns): Set athlon_decode to direct.
1701 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
1702 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
1703 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
1704 and TARGET_PARTIAL_REGISTER_STALL machines.
1705 (pushdf_nointeger): New pattern.
1706 (pushdf_integer): Rename from pushdf.
1707 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
1708 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
1710 2000-04-17 Richard Henderson <rth@cygnus.com>
1712 * loop.c (canonicalize_condition): Add WANT_REG argument.
1713 Stop the search if we match it.
1714 * expr.h (canonicalize_condition): Update decl.
1715 * predict.c (expected_value_to_br_prob): Use it. Track last
1716 expected value note.
1717 (find_expected_value): Remove.
1719 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
1721 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1723 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
1724 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
1726 * configure.in: Call AC_FUNC_MMAP_FILE.
1727 * configure: Regenerate.
1728 * config.in: Regenerate.
1730 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
1731 * fixinc/fixincl.c: Likewise.
1733 2000-04-17 Richard Henderson <rth@cygnus.com>
1735 * builtins.c (expand_builtin_expect): New.
1736 (expand_builtin): Call it.
1737 * builtins.def (BUILT_IN_EXPECT): New.
1738 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
1739 * extend.texi: Document it.
1741 * predict.c (expected_value_to_br_prob): New.
1742 (find_expected_value): New.
1743 * basic-block.h (expected_value_to_br_prob): Declare.
1744 * toplev.c (rest_of_compilation): Invoke it.
1746 * rtl.h (NOTE_EXPECTED_VALUE): New.
1747 (NOTE_INSN_EXPECTED_VALUE): New.
1748 * rtl.c (note_insn_name): Update.
1749 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
1750 cases; handle NOTE_INSN_EXPECTED_VALUE.
1752 2000-04-17 Jakub Jelinek <jakub@redhat.com>
1754 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
1755 leaf sibcall delay slot if flag_pic.
1756 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
1758 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1760 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
1762 * fixproto: If fix-header fails, exit with an error.
1764 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1766 * cse.c (struct check_depdendence_data): New.
1767 (check_dependence): New function.
1768 (invalidate): Use check_depdenence.
1770 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1772 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
1773 UNITS_PER_WORD is unsigned.
1775 * tree.h (struct tree_common): Remove misleading comment.
1777 2000-04-16 Dave Pitts <dpitts@cozx.com>
1779 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
1780 message in quotes. Otherwise, IBM's make program treats the '#' as the
1781 start of a comment and ignores the remainder of the line.
1783 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
1785 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
1786 * cexp.y (initialize_random_junk): Likewise.
1787 * cppfiles.c (find_include_file): Cast alloca return value.
1788 * cppinit.c (initialize_standard_includes): Likewise.
1789 * cpplib.c (cpp_define, cpp_undef): Likewise.
1790 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
1791 * final.c (output_asm_insn): Allow for holes in EBCDIC.
1792 * fold-const.c (CHARMASK): New.
1793 (real_hex_to_f): Use it.
1794 * real.c (CHARMASK): New.
1795 (etoasc, asctoeg): Use it.
1796 (asctoeg): EBCDIC lower case characters preceed upper case.
1798 * i370.c (mvs_add_label): Change spacing for coding conventions.
1799 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
1800 outputing case vectors.
1801 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
1802 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
1803 since vector in in the data CSECT.
1804 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
1805 * i370.md (Many patterns): Put the length in the XL directives.
1806 (movdi): Put back STM and MVC in definition.
1807 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
1808 pattern using the TCA.
1809 * oe.h (CPP_SPEC): Added to allow trigraphs.
1810 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
1811 not support the "long long" type.
1813 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1815 * config/mips/mips-protos.h (mips_legitimate_address_p): New
1817 (mips_reg_mode_ok_for_base_p): Likewise.
1818 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
1819 (REG_OK_FOR_INDEX_P): Define unconditionally.
1820 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
1821 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
1822 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
1823 that GET_MODE_SIZE is unsigned.
1824 (mips_reg_mode_ok_for_base_p): Define.
1825 (mips_legitimate_address_p): Likewise. Adjust now
1826 that GET_MODE_SIZE is unsigned.
1827 (block_move_loop): Make the number of bytes unsigned.
1828 (expand_block_move): Likewise.
1829 (function_arg): Make the loop counter unsigned to match the
1832 2000-04-16 Richard Henderson <rth@cygnus.com>
1834 * rtl.h (enum insn_note): New enumeration. Subsume
1835 NOTE_INSN_DELETED and friends.
1836 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
1837 * rtl.c (note_insn_name): Tweak string order.
1839 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
1841 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
1844 * cpplex.c (output_line_command): Remove debugging prints.
1845 (cpp_output_tokens): Don't write out a zero-length buffer or
1846 try to see if it has a newline in it.
1847 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
1848 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
1849 the end of the loop. Use memmove. Don't read past the end of
1850 the buffer. Remove trailing newlines from error messages.
1852 2004-04-16 Neil Booth <NeilB@earthling.net>
1854 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
1855 * cpplib.c: Add new syntax flags to directive table, and
1858 2000-04-15 Ulrich Drepper <drepper@redhat.com>
1860 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
1863 2000-04-15 David Edelsohn <edelsohn@gnu.org>
1865 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
1866 * haifa-sched.c: Update -fsched-verbose comments to use "=".
1868 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1870 * Makefile.in (ggc-page.o): Now includes toplev.h.
1871 * ggc-page.c (toplev.h): Now included.
1872 (gc_time): Remove declaration.
1873 (ggc_collect): TIME now long.
1874 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
1876 * toplev.h (gc_time, parse_time, gc_time): New declarations.
1878 * toplev.c: Make *_time variable long to reduce chance of overflow.
1879 (TIMEVAR): Likewise for `otime'.
1880 (print_time): Arg is now long; compute percentage in FP and round.
1881 * toplev.h (print_time): Arg is long.
1883 * tree.c: Minor whitespace changes.
1885 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
1886 * configure: Rebuilt.
1887 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
1888 (__fixunsxfDI): Renamed from __fixunsxfdi.
1889 (__fixunsdfDI): Renamed from __fixunsdfdi.
1890 (__fixunssfDI): Renamed from __fixunssfdi.
1891 (__floatdisf): Use proper type in REP_BIT macro.
1892 (__fixunsxfSI): Renamed from __fixunsxfsi.
1893 (__fixunsdfSI): Renamed from __fixunsdfsi.
1894 (__fixunssfSI): Renamed from __fixunssfsi.
1895 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
1896 Change location of macros and upper-case some names as above.
1897 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
1898 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
1900 * varasm.c (assemble_variable): Add cast to remove warning.
1901 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
1903 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
1904 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
1905 region number to -1.
1907 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
1909 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
1910 call unshare_all_rtl.
1912 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
1914 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
1916 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
1917 Use .s1 not .s0 for all FP instructions.
1919 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
1921 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
1923 (safe_fwrite, output_line_command): New static functions.
1924 (cpp_expand_to_buffer): Now private to cpplib.
1925 (cpp_scan_buffer): Take a printer.
1927 * cpphash.h: Update prototypes.
1928 * cpplib.h: Update prototypes.
1930 (cpp_buffer): Remove last_nominal_fname.
1931 (cpp_reader): Remove lineno.
1933 * cppmain.c: Use a cpp_printer.
1934 * fix-header.c: No need to inhibit line commands. Call
1935 cpp_start_read with no printer.
1937 * cpperror.c (cpp_notice_from_errno): Provide default name.
1938 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
1939 (find_include_file, cpp_read_file): Use make_IHASH.
1940 (file_cleanup): Set control_macro and clear
1941 input_stack_listing_current here.
1942 (_cpp_execute_include): Don't output entering-file marker.
1943 * cpphash.c (special_symbol): Look for the line number in the
1944 buffer, not the reader.
1945 (_cpp_macroexpand): No need to disable line commands.
1946 (_cpp_dump_definition): No need to generate line commands.
1947 (dump_hash_helper): Remove excess newline from output.
1948 * cppinit.c (dump_special_to_buffer): No need to generate line
1950 (cpp_printer_init): New.
1951 (cpp_start_read): Take a printer, and start it up if it's not
1952 NULL. No need to generate line commands.
1953 (cpp_finish): Expect no buffers stacked at all. Take a
1954 printer argument, and flush the output buffer if it's not
1956 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
1957 Don't put two hashes at the beginning of an assertion.
1958 (cpp_get_token): Don't increment pfile->lineno or emit line
1959 commands here. Return EOF if there's no buffer when we get
1961 * cpplib.c (do_define, skip_if_group):
1962 No need to disable line commands.
1963 (_cpp_output_line_command): Delete function.
1964 (do_line): Don't emit line commands here, but set things up so
1965 they will be emitted if necessary. Use _cpp_fake_ihash to
1966 make unique nominal_fnames if necessary.
1967 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
1968 with 0 for column, not -1.
1969 (_cpp_handle_eof): Don't set the control macro here. Don't
1970 clear input_stack_listing_current here. Don't emit line
1973 2000-04-14 Geoff Keating <geoffk@cygnus.com>
1975 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
1976 always, use the default SVR4 start address.
1978 * config/rs6000/linux.h (LINK_SPEC): Don't define.
1979 (LINK_SHLIB_SPEC): Define.
1980 (LINK_START_DEFAULT_SPEC): Define.
1981 (LINK_OS_DEFAULT_SPEC): Define.
1983 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
1985 * config/rs6000/eabi.asm (__eabi): Call __init rather than
1986 __do_global_ctors to handle constructors.
1987 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
1988 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
1989 (STARTFILE_MVME_SPEC): Likewise.
1990 (STARTFILE_SIM_SPEC): Likewise.
1991 (ENDFILE_ADS_SPEC): Use crtend.
1992 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
1993 (ENDFILE_MVME_SPEC): Likewise.
1994 (ENDFILE_SIM_SPEC): Likewise.
1995 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
1996 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
1997 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
1998 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
1999 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
2000 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
2001 (CRTSTUFF_T_CFLAGS_S): Define.
2002 * config/rs6000/eabi-ctors.c: Delete.
2004 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
2007 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
2011 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
2013 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
2014 plus mask size is smaller or equal to the mode size.
2016 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2018 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
2021 * expr.c (reload.h): Now included.
2022 (emit_block_move): Set volatile_ok when checking for movstr.
2023 (emit_move_1): Check for replacements in addresses in multi-word case.
2024 * Makefile.in (expr.o): Now includes reload.h.
2026 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
2027 Never have a LIBCALL end a basic block.
2028 (find_basic_blocks_1): Likewise.
2029 Reorganize CALL_INSN cases.
2031 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
2033 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
2035 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
2036 completers from mov.ret instruction.
2038 2000-04-14 Richard Henderson <rth@cygnus.com>
2040 * fold-const.c (extract_muldiv): Don't distribute and widen
2041 multiply across plus for non-sizetype unsigned types.
2043 2000-04-14 Richard Henderson <rth@cygnus.com>
2045 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
2046 If the original source is dead in the incr insn, it's dead now.
2048 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2050 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
2051 see if DECL_BIT_FIELD needs to still be set.
2053 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
2055 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
2056 print_int_cst_octal with something that's not an INTEGER_CST.
2058 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
2059 and not a SUBREG to a FLOAT rtl.
2061 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
2063 * emit-rtl.c (try_split): Avoid infinite loop if the split
2064 results in a sequence that contains the original insn.
2066 2000-04-13 Andreas Jaeger <aj@suse.de>
2068 * config/mips/mips.c (expand_block_move): Pass alignment
2069 argument to move_by_pieces in bits, not bytes.
2071 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
2072 __pic__ for little endian.
2074 2000-04-13 Andreas Jaeger <aj@suse.de>
2076 * config/i386/i386-protos.h: Add prototype for
2077 uno_comparison_operator.
2079 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
2081 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
2082 * calls.c (ECF_PURE): New flag.
2083 (emit_call_1): Handle ECF_PURE calls.
2084 (initialize_argument_information): Unset ECF_PURE flag too.
2085 (precompute_arguments): Precompute for ECF_PURE too.
2086 (expand_call): Handle ECF_PURE calls too.
2087 (emit_library_call_value_1): Rename no_queue argument to fn_type,
2088 accept value of 2 as pure function.
2089 (emit_library_call_value, emit_library_call): Rename no_queue argument
2091 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
2093 * tree.h (DECL_IS_PURE): New macro.
2094 (struct tree_decl): Add pure_flag.
2095 * c-common.c (enum attrs): Add attribute "pure".
2096 (init_attributes): Initialize attribute "pure"
2097 (decl_attributes): Handle attribute "pure".
2098 * extend.texi (Attribute "pure"): Document.
2099 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
2101 (flags_from_decl_or_type): Support attribute "pure".
2103 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
2105 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
2106 the token except for numbers and identifiers.
2108 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
2110 * i386.c (ix86_expand_binary_operator,
2111 ix86_expand_unary_operator): Check no_new_pseudos
2112 instead of reload_in_progress and reload_completed.
2113 (ix86_split_ashldi, ix86_split_ashrdi,
2114 ix86_split_lshrdi): Check no_new_pseudos instead
2115 of reload_completed.
2117 2000-04-12 Jeffrey A Law (law@cygnus.com)
2119 * function.c (purge_addressof): Unshare any shared rtl created by
2120 purge_addressof and its children.
2122 2000-04-12 Mark Mitchell <mark@codesourcery.com>
2124 * function.c (aggregate_value_p): VOID_TYPE nodes are never
2127 2000-04-05 Andreas Jaeger <aj@suse.de>
2129 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
2130 not compiling PIC code, add flags for mabi=64.
2131 (SUBTARGET_CPP_SIZE_SPEC): New.
2132 (SUBTARGET_CPP_SPEC): New.
2133 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
2134 for MIPS/Linux and lots of code needs these defines.
2136 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
2138 * reorg.c (fill_slots_from_thread): Check side_effects_p when
2139 trying the "opposite arithmetic" approach.
2141 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2143 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
2144 (struct sh_args): Add new field force_mem.
2145 (INIT_CUMULATIVE_ARGS): Initialize it.
2146 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
2148 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
2150 * calls.c (expand_call): Do not reverse args in "equal from" field.
2151 (emit_library_call_value_1): Emit_libcall_block for const and pure
2154 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2156 * reload1.c (reload_combine): Don't enable optimization for fixed
2157 registers when encountering a BARRIER.
2159 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
2161 * builtins.c (expand_builtin_memcmp): Do expansion even with
2162 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
2164 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
2165 stack is propertly aligned; add sanity checking for aligned
2167 (expand_library_call_value_1): Add sanity checking for aligned
2170 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
2172 * calls.c (emit_library_call_value_1): Change 3rd arg to
2173 locate_and_pad_parm to disregard the setting of partial.
2175 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2177 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
2179 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
2180 CALL_INSN from the normal case.
2182 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
2184 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
2185 New global variables.
2186 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
2188 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
2190 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
2191 TARGET_ADD_ESP_8): New macros.
2192 * i386.md: Add peep2s to convert esp adjustments to push and pop
2194 (pushsi_prologue, popsi_epilogue): New patterns.
2196 2000-04-12 Jakub Jelinek <jakub@redhat.com>
2198 * real.c (toe64): Remove stale #endif from the last change.
2200 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
2202 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
2203 * real.c (toe64): Revert previous change.
2205 2000-04-12 Jakub Jelinek <jakub@redhat.com>
2207 * objc/objc-act.c: Include ggc.h.
2208 (objc_tree_index, objc_global_trees): Convert most of the
2209 static tree variables into a static array with previous names
2211 (objc_ellipsis_node): New variable.
2212 (lang_init): Call objc_act_parse_init and c_parse_init.
2213 Create objc_ellipsis_node.
2214 (build_selector_translation_table): Use objc_ellipsis_node instead
2216 (hack_method_prototype): Likewise.
2217 (get_arg_type_list): Likewise.
2218 (start_method_def): Likewise.
2219 (continue_method_def): Likewise.
2220 (gen_method_decl): Likewise.
2221 (ggc_mark_imp_list): New function.
2222 (ggc_mark_hash_table): New function.
2223 (objc_act_parse_init): New function.
2224 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
2225 * c-parse.in (c_parse_init): For objc add roots of objc specific
2226 local tree variables.
2227 * objc/objc-parse.y: Rebuilt.
2228 * objc/objc-parse.c: Rebuilt.
2229 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
2231 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
2233 * cse.c (delete_trivially_dead_insns): Also delete insns
2234 that copy a register to itself where the destination is
2237 2000-04-11 Richard Henderson <rth@cygnus.com>
2239 * flow.c (struct propagate_block_info): Add new_dead, new_live.
2240 (propagate_block): Initialize them. Use them in parallel instead
2241 of one tmp variable, ie revert much of the 0408 and 0407 functional
2242 changes, but keep the structural changes.
2243 (mark_set_regs): Take new_dead from propagate_block_info instead.
2244 (mark_set_1, mark_set_reg): Likewise.
2245 (mark_used_regs): Likewise with new_live.
2246 (mark_used_reg): Likewise. Revert 0408 change.
2248 2000-04-11 Nick Clifton <nickc@cygnus.com>
2250 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
2252 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
2254 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2256 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
2257 const section to output a CONSTRUCTOR based on the same conditions
2260 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
2262 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
2263 * pa/pa-protos.h (output_call): Add additional argument indicating
2264 if the call is a sibling/tail call.
2265 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
2266 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
2267 (function_arg, function_arg_partial_nregs): Likewise
2268 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
2269 (emit_move_sequence): Zero extend certain constants as needed
2271 (compute_zdepdi_operands, output_64bit_and): New functions.
2272 (output_64bit_ior, function_arg): Likewise.
2273 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
2274 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
2275 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
2276 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
2277 (output_bvb): Likewise.
2278 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
2279 (output_call): New argument 'sibcall'. Generate sibcall sequences
2281 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
2282 (ouput_arg_descriptor): Do not emit argument descriptors for
2284 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
2286 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
2287 (FUNCTION_OK_FOR_SIBALL): Define.
2288 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
2289 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
2290 (CPP_SPEC): Use new spec infrastructure.
2291 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
2292 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
2293 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
2294 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
2295 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
2296 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
2297 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
2298 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
2299 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
2300 (FUNCTION_ARG); Call out to C code.
2301 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
2302 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
2303 (MIN_UNITS_PER_WORD): Likewise.
2304 * pa/pa.md (cmpdi): New expander.
2305 (scc patterns, movstrsi): Not available for TARGET_64BIT.
2306 (64bit conditional arithmetic): New patterns.
2307 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
2308 (movsicc): Not available if modes on all the operands to not match.
2309 (movdicc): New expander and associated patterns.
2310 (64bit branches): New patterns.
2311 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
2312 (pre_ldd, post_std): New patterns.
2313 (64bit addil, load low part): New patterns.
2314 (special movsf constant): Not available for TARGET_64BIT.
2315 (movsf, movdf expanders): Force constants into memory.
2316 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
2317 (64bit movdf/movdi patterns): New patterns.
2318 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
2320 (extendqidi2, extendhidi2, extendsidi2): Similarly.
2321 (adddi3 expander): Allow "arith_operand" for second input.
2322 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
2323 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
2324 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
2325 (muldi3): New expander for TARGET_64BIT.
2326 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
2328 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
2329 patterns for TARGET_64BIT.
2330 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
2331 patterns for TARGET_64BIT.
2332 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
2333 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
2334 (sibcall_epilogue): New expander.
2335 (casesi): Tweak for TARGET_64BIT.
2336 (call expanders): Set & use the outgoing argument pointer. Use the
2337 64bit call patterns as needed. Add additional arg to output_call.
2338 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
2339 (sibcall, sibcall_internal_symref): New expanders.
2340 (sibcall_value, sibcall_value_internal_symref
2341 (interspace_jump): Turn into an expander + matching patterns.
2342 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
2343 * pa/pa64-regs.h: Eliminate trigraph sequences.
2344 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
2346 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
2348 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
2349 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
2350 cpp_token with cpp_ttype everywhere.
2351 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
2352 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
2353 CPP_BUF_COL. Line and column numbers are unsigned int, not
2355 * cpplex.c (cpp_buf_line_and_col): Delete.
2356 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
2357 'long lineno' to 'unsigned int lineno'.
2358 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
2360 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2362 * extend.texi: ISO C99 is not a draft anymore.
2363 * invoke.texi: ISO C++ is not a draft anymore.
2364 * cpp.texi: __cplusplus is required by the ISO standard.
2366 * extend.texi (-fthis-is-variable): Undocument.
2367 * flags.h (warn_template_debugging): Remove declaration.
2368 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
2369 -Wenum-clash, -Wtemplate-debugging): Undocument.
2371 2000-04-10 Nick Clifton <nickc@cygnus.com>
2373 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
2375 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
2377 (ARM_SIGN_EXTEND): Use HOST_UINT.
2378 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
2379 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
2380 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
2381 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
2383 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
2384 (arm_gen_constant): Use HOST_UINT.
2385 (arm_canonicalize_constant): Use HOST_UINT.
2386 (arm_reload_in_hi): Use HOST_UINT.
2387 (arm_reload_out_hi): Use HOST_UINT.
2388 (output_multi_immediate): Use HOST_UINT.
2389 (int_log2): Use HOST_UINT.
2390 (arm_poke_function_name): Use HOST_UINT.
2391 (arm_output_epilogue): Use arm_volatile_func().
2392 (output_thumb_prologue): Use arm_strip_name_encoding().
2394 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2396 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
2397 of sequence point problems.
2399 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
2401 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
2403 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
2405 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2407 * sbitmap.h: Whitespace changes and use upper-case macro args.
2408 (struct simple_bitmap_def): All sizes now unsigned.
2409 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
2410 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
2411 (sbitmap_vector_alloc): Parms and local vars now unsigned.
2412 (sbitmap_zero): Cast bzero arg to PTR.
2413 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
2414 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
2415 loop to make structure clearer.
2416 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
2417 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
2418 (sbitmap_a_and_b_or_c): Likewise.
2419 (sbitmap_intersection_of_succs): Minor cleanups.
2420 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
2421 (sbitmap_union_of_preds): Likewise.
2422 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
2423 (debug_sbitmap): New function.
2425 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
2426 * c-typeck.c (convert_for_assignment): Likewise.
2428 * expmed.c (init_expmed): Don't free objects we make.
2429 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
2431 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
2432 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
2434 * gcse.c (expr_hash_table_size): Now unsigned.
2435 (compute_ae_gen): Local variable `i' now unsigned.
2436 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
2437 (compute_transout, hoist_code): Likewise.
2438 (compute_local_properties): Likewise, also hash_table_size.
2439 (alloc_expr_hash_table): N_INSNS now unsigned.
2440 (delete_null_pointer_checks): Mark arg F as unused.
2442 * regrename.c: Minor cleanups, including chang some variables
2445 2000-04-10 Neil Booth <NeilB@earthling.net>
2447 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
2449 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
2451 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2453 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
2454 __classof__, and __headof__ from the list of gnu keywords.
2455 (-ansi): Remove -foperator-names from list of implied options.
2456 Do not call it ANSI C++.
2457 (-foperator-names): Document as -fno-operator-names.
2459 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
2461 * cpphash.c (timestamp): Delete.
2462 (del_HASHNODE): If type is T_MCONST, free value.cpval.
2463 (special_symbol): Remove unnecessary braces. Remove
2464 T_VERSION. Treat T_STDC like T_CONST unless
2465 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
2466 when one is encountered, then convert them into T_MCONST
2468 * cppinit.c (builtin_array): version_string is T_MCONST.
2469 __STDC__ has a "1" in its cpval. Don't have a terminator
2470 entry. Clean up which entries are dumped.
2471 (initialize_builtins): Only __STDC__ gets the special
2472 -traditional treatment. Count the length of builtin_array.
2473 Render version_string here.
2474 * cpphash.h: Remove T_VERSION. Add T_MCONST.
2475 * cpplib.h (struct cpp_reader): Remove timebuf.
2477 2000-04-09 Richard Henderson <rth@cygnus.com>
2479 * genrecog.c (pred): Update comparison_operator for the unordered
2482 * config/i386/i386.c (no_comparison_operator): Disallow unordered
2484 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
2485 (uno_comparison_operator): New.
2486 (put_condition_code): Handle UNORDERED/ORDERED.
2487 (unsigned_comparison): Likewise.
2488 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
2489 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
2490 (ix86_expand_fp_compare): Use them. Take scratch as argument,
2491 update all callers. Handle all 8 unordered operators.
2492 (ix86_expand_setcc): Lose the unordered argument, update all callers.
2493 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
2494 * config/i386/i386.h (PREDICATE_CODES): Update.
2495 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
2496 (ix86_expand_branch, ix86_expand_setcc): Update.
2497 * config/i386/i386.md (sunordered, sordered): New.
2498 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
2499 (bunordered, bordered): New.
2500 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
2501 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
2502 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
2504 2000-04-09 Philip Blundell <philb@gnu.org>
2506 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
2508 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
2510 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
2511 fix_truncxfhi2): New patterns.
2512 * i386.c (output_fix_trunc): Handle converting to HImode.
2514 2000-04-08 Alex Samuel <samuel@codesourcery.com>
2516 * ssa.c (convert_to_ssa): Eliminate dead code when calling
2518 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
2519 (for_each_successor_phi): Change parameter to basic_block.
2520 (coalesce_regs_in_successor_phi_nodes): Likewise.
2521 (coalesce_regs_in_copies): Likewise.
2522 (compute_coalesced_reg_partition): Use basic_block instead of index.
2523 * rtl.h (convert_to_ssa): Delete.
2524 (convert_from_ssa): Likewise.
2525 (successor_phi_fn): Likewise.
2526 (for_each_successor_phi): Likewise.
2527 (in_ssa_form): Likewise.
2528 * basic-block.h (convert_to_ssa): Moved from rtl.h.
2529 (convert_from_ssa): Likewise.
2530 (successor_phi_fn): Likewise.
2531 (in_ssa_form): Likewise.
2532 (for_each_successor_phi): Likewise. Change parameter to basic_block.
2533 * flow.c (calculate_global_regs_live): Pass a basic_block to
2534 for_each_successor_phi.
2536 2000-04-08 Richard Henderson <rth@cygnus.com>
2538 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
2539 was modified in the current insn.
2541 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2543 * arm/thumb.md: Delete.
2544 * arm/thumb-protos.h: Delete.
2546 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2548 Merge changes from merged-arm-thumb-backend-branch onto trunk.
2550 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2552 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
2555 * arm.md (nop): Use the standard RTL expression. Don't code as a
2557 (*arm_nop, *thumb_nop): Delete.
2559 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
2560 constants. Use casts instead.
2561 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
2562 output_multi_immediate, arm_poke_function_name): Likewise.
2563 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
2564 MASK_RETURN_ADDDR): Likewise.
2566 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
2568 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
2571 * arm.md (eh_epilogue): New function.
2572 * arm.h (struct machine_function): Move to here ...
2573 * arm.c: ... from here.
2574 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
2575 (thumb_exit): Extra parameter eh_ofs. All callers changed.
2576 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
2578 2000-03-30 Nick Clifton <nickc@cygnus.com>
2580 * config/arm/semi.h (ASM_SPEC): Restore definition.
2581 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2583 * config/arm/elf.h (ASM_SPEC): Restore definition.
2584 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2586 * config/arm/arm.h (ASM_SPEC): Remove definition.
2587 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
2589 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
2591 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
2593 2000-03-24 Nick Clifton <nickc@cygnus.com>
2595 Various formating tidyups, elimination of compile time
2596 warnings and synchronisation with internal sources:
2598 * config/arm/arm-protos.h (assemble_align): Add prototype.
2599 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2600 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2601 (arm_return_addr_rtx): Rename to arm_return_addr.
2603 * config/arm/arm.c: Include except.h.
2604 Define shorter typenames for strict minipool_node and struct
2606 (arm_return_in_memory): For WinCE return all structures <= 32 bits
2608 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2609 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2611 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
2613 (ASM_SPEC): Define if not already defined.
2614 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
2616 * config/arm/arm.md: Rename references to gen_rotated_half_load to
2617 arm_gen_rotated_half_load, and references to gen_comapre_reg to
2618 arm_gen_compare_reg.
2619 (indirect_jump): Only accept register operands.
2620 (load_indirect_jump): Keep this pattern since combine can generate
2623 * config/arm/coff.h: Include aout.h.
2624 (MULTILIB_DEFAULTS): Only define if not already defined.
2626 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
2627 into arm.h (so that COFF ports can support thumb based aliases).
2628 (ASM_SPEC): Move definition into arm.h
2630 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
2631 redundant apcs spec.
2632 (ASM_SPEC): Move definition to arm.h
2634 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
2636 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
2637 for entries in the .bss section
2639 2000-03-23 Nick Clifton <nickc@cygnus.com>
2641 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
2642 to thumb_far_jump_used_p.
2644 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
2645 single integer parameter.
2647 * config/arm/arm.c (struct machine_function): Add two new
2648 fields, 'far_jump_used' and 'arg_pointer_live'.
2649 (thumb_far_jump_used_p): Once the decision has been made that
2650 far jumps might be used, always return true.
2651 If being called from the initial elimination offset macro then
2652 do not bother to perform the test if the arg pointer is not
2654 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
2655 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
2657 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
2659 * arm.c (output_return_instruction): Handle more cases where we can
2660 return from a function with an ldr instruction.
2661 (arm_output_epilogue): Likewise.
2663 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
2664 if we need to push a large stack frame and there are no callee-saved
2667 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
2668 in ARM code if the frame pointer has been eliminated.
2670 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
2671 unspec_volatile arguments to avoid duplicates.
2672 (consttable_1, consttable_2): Fixes for big-endian mode.
2674 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
2677 Re-write constant pool code.
2678 * arm.c (minipool_node, minipool_fix): New types.
2679 (minifix): Delete type.
2680 (arm_add_minipool_constant): Delete.
2681 (arm_compute_minipool_offsets, arm_find_barrier,
2682 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
2683 (get_jump_table_size): Now returns HOST_WIDE_INT.
2684 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
2686 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
2687 (assign_minipool_offsets, arm_print_value): Likewise.
2688 (dump_minipool): Rewrite.
2689 (arm_barrier_cost): New function.
2690 (create_fix_barrier): New function.
2691 (push_minipool_barrier): New function.
2692 (push_minipool_fix): Record additional information about the fixup
2694 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
2695 check the mode of what needs fixing.
2696 (arm_reorg): Rewrite.
2698 2000-03-08 Nick Clifton <nickc@cygnus.com>
2700 * config/arm/arm.md (indirect_jump): Force constant addresses into
2703 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
2705 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
2707 2000-02-24 Nick Clifton <nickc@cygnus.com>
2709 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
2710 adjust is word aligned.
2711 (thumb_expand_epilogue): Make sure that stack adjust is word
2714 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
2716 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
2718 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
2719 pointer relative addresses.
2721 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
2723 * arm.c (find_barrier): Find the last barrier within the allowed
2726 2000-02-09 Nick Clifton <nickc@cygnus.com>
2728 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
2730 2000-02-09 Nick Clifton <nickc@cygnus.com>
2732 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
2733 ARM_FUNCTION_PROFILER.
2735 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
2736 ARM_FUNCTION_PROFILER.
2738 * config/arm/linux-oldld.h: Imported from mainline sources.
2740 2000-02-07 Nick Clifton <nickc@cygnus.com>
2742 * config/arm/lib1funcs.asm: Merge in thumb functions from
2745 * config/arm/lib1thumb.asm: Delete.
2747 2000-02-04 Nick Clifton <nickc@cygnus.com>
2749 * config/arm/arm.c: Sychronised with current Red hat local
2751 * config/arm/arm.h: Ditto.
2752 * config/arm/arm-protos.h: Ditto.
2754 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
2756 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
2758 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
2761 2000-02-02 Nick Clifton <nickc@cygnus.com>
2763 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
2765 * config/arm/arm.md (epilogue): Fix rtl checking abort because
2766 (return) was emited using an emit_insn() call.
2768 2000-01-31 Nick Clifton <nickc@cygnus.com>
2770 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
2772 (thumb_exit): Move frame pointer back into hard frame pointer
2773 register if backtracing is being used.
2775 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
2777 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
2780 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
2782 * config/arm/arm.md (neg_pool_offset): Provide default for new
2784 (arm_movsi_insn): Add neg_pool_offset attribute.
2785 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
2786 rtx for the insn that starts the scan and an unsigned long for its
2787 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
2788 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
2789 instructions in *PINSERTED.
2790 (struct minipool_fixup): Add MIN_ADDRESS elt.
2791 (sort_fixups): Compute it.
2792 (arm_reorg): Changes to support inserting pools before the insn to be
2795 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
2797 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
2798 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
2799 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
2801 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
2803 * config/arm/semi.h (TARGET_VERSION): Do not define if already
2805 (TARGET_DEFAULT): Do not define if already defined.
2807 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
2809 * config/arm/arm.md (anddi3): Allow disjoint source operands.
2810 (iordi3): Allow disjoint source operands.
2811 (xordi3): Allow disjoint source operands.
2812 (negdi2): Permit construction for ARM and Thumb.
2813 (arm_negdi2): Renamed version of old negdi2 pattern.
2814 (thumb_negdi2): New pattern: Only permit non-overlapping
2815 source and destination.
2817 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
2819 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
2820 scratch low register so that it will not be deleted.
2822 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
2824 * config/arm/pe.h (ARM_PE): Define.
2826 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
2827 interfacearm attribute if this is a PE toolchain.
2828 (output_return_instruction): Do not emit anything if the function
2829 has the naked attribute set.
2830 (is_called_in_ARM_mode): If the function has the interfacearm
2831 attribute then return true.
2832 (thumb_expand_prologue): Do not generate a prologue for naked
2834 (thumb_expand_epilogue): Do not generate an epilogie for a naked
2836 (output_thumb_prologue): Do not bother if the function is naked.
2837 Strip PE encoding from function name before emitting.
2839 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
2841 * arm.md (pic_load_addr): Fix constraints.
2843 * arm.md (casesi_insn): Fix mis-applied patch.
2845 * arm.md ("core" function unit): Add rules for single- and
2847 (All TARGET_THUMB patterns): Add "type" attribute information
2849 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
2850 the following insn is a CALL.
2852 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
2854 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
2855 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
2856 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
2858 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
2860 * config/arm/linux-gas.h: oops - this file was missed out when the
2861 branch was created...
2863 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
2865 * thumb.c: Deleted. Move contents to ...
2867 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
2869 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
2872 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
2873 declare a prototype for asm_output_align();
2875 * arm.c (thumb_condition_code): Delete.
2876 (arm_print_operand): Always use arm_condition_code array.
2878 * arm.c (thumb_return_addr_rtx): Delete.
2879 (arm_save_machine_status, arm_restore_machine_status): Delete.
2880 (arm_init_machine_status, arm_mark_machine_status): New functions.
2881 (arm_init_expanders): Update accordingly.
2882 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
2883 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
2884 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
2886 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
2888 * configure.in : Fix arm-*-aout target to use new t-arm-aout
2890 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
2893 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
2895 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
2896 stack backtrace structure.
2898 * config/arm/arm-protos.h: Add prototypes for functions defined in
2901 * config/arm/arm.c (arm_override_options): Fix selection of
2902 attributes of default processor.
2904 * config/arm/coff.h: Delete needless #include.
2906 * config/arm/pe.c: Delete unused code.
2908 * config/arm/pe.h (CPP_DEFINES): Delete
2909 (SUBTARGET_CPP_SPEC): Define.
2910 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
2912 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
2914 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
2916 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
2918 (CAN_DEBUG_WITHOUT_FP): Define.
2919 (FIXED_REGISTERS): Make r11 call-saved.
2920 (CALL_USED_REGISTERS): Likewise.
2921 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
2922 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
2923 frame-pointer is required.
2924 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
2925 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
2926 if the target normally needs a stack frame in non-leaf functions.
2927 (use_return_insn): Correct logic for determining when a return
2928 instruction can be used.
2929 (output_return_instruction): Handle the frame-pointer register as
2930 a normal register when not TARGET_APCS_FRAME.
2931 (arm_output_prologue): Likewise.
2932 (arm_output_epilogue): Likewise.
2933 (output_func_epilogue): Likewise.
2934 (arm_expand_prologue): Likewise.
2935 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
2937 * arm.c (use_return_insn): No need to check floating point regs if
2939 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
2940 the code of value stored in the minipool array.
2941 (arm_add_minipool_constant): Likewise.
2943 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2945 * basic-block.h (conflict_graph_enum_fn): K&R fix.
2947 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2949 * tree.c (tree_expr_nonnegative_p): New function.
2951 * tree.h (tree_expr_nonnegative_p): Declare.
2953 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
2954 elide some sign_compare warnings.
2955 (build_conditional_expr): Likewise.
2957 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
2959 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
2961 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
2962 * i386.c (print_operand): Use the proper suffix for a 387 HImode
2963 operand. Abort if a 387 operand has an unsupported size.
2965 2000-04-08 Neil Booth <NeilB@earthling.net>
2967 * cppexp.c (parse_charconst): Null does not end character
2969 * cppinit.c (ISTABLE): Null character handled as whitespace.
2970 * cpplex.c (null_warning): new function.
2971 (skip_string): Emit warning if nulls encountered.
2972 (_cpp_skip_hspace): Emit warning if nulls encountered.
2973 (_cpp_lex_token): Emit warning if nulls encountered. Drop
2977 2000-04-07 Richard Henderson <rth@cygnus.com>
2979 * flow.c (loop_depth): Remove.
2980 (reg_next_use, cc0_live, mem_set_list): Replace with ...
2981 (struct propagate_block_info): New.
2982 (life_analysis): Don't allocate reg_next_use.
2983 (propagate_block_delete_insn): Break out of propagate_block.
2984 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
2985 (propagate_block_delete_libcall): Likewise.
2986 (propagate_block): Create a propagate_block_info struct to pass
2987 to subroutines. Allocate one not two temporary regsets. Don't
2988 clobber memory for const calls. Look for clobbers in
2989 CALL_INSN_FUNCTION_USAGE.
2990 (mark_set_regs): Recognize COND_EXEC.
2991 (mark_set_reg): Break out of mark_set_1.
2992 (mark_used_reg): Break out of mark_used_regs.
2993 (mark_used_regs): Recognize COND_EXEC.
2994 (insn_dead_p): Use propagate_block_info struct.
2995 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
2996 (find_auto_inc, try_pre_increment_1): Likewise.
2997 (print_rtl_with_bb): Dump regs live at end too.
2998 (count_reg_sets_1): Pass in loop_depth.
2999 (count_reg_sets, count_reg_references): Likewise.
3000 (recompute_reg_usage): Provide it.
3002 2000-04-07 Richard Henderson <rth@cygnus.com>
3004 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
3007 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
3009 * cpplib.c (do_elif): Skip the rest of the line if we're
3010 not going to bother evaluating it.
3011 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
3012 to avoid pointless calls to the lexer.
3014 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
3016 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
3018 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
3020 * calls.c (expand_call): emit_queue if we're trying a sibcall.
3022 2000-04-07 Jakub Jelinek <jakub@redhat.com>
3024 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
3026 2000-04-06 Geoff Keating <geoffk@cygnus.com>
3028 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
3029 crtend so they can be multilibbed.
3030 (STAGESTUFF): Remove s-crt and s-crtS.
3032 2000-04-07 Richard Henderson <rth@cygnus.com>
3034 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
3035 if we discover we need a pseudo and no_new_pseudos is true.
3036 * config/alpha/alpha.md (ne:DI insn): New.
3037 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
3039 2000-04-07 Richard Henderson <rth@cygnus.com>
3041 * rtl.def (COND_EXEC): New.
3042 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
3043 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
3045 * genconfig.c (have_cond_arith_flag): Remove.
3046 (have_cond_exec_flag): New.
3047 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
3048 (main): Print HAVE_conditional_execution.
3050 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
3051 (sched_analyze_insn, print_pattern): Likewise.
3052 * reload.c (find_equiv_reg): Likewise.
3053 * rtlanal.c (reg_referenced_p): Likewise.
3054 (note_stores, dead_or_set_regno_p): Likewise.
3055 (reg_overlap_mentioned_p): Rewrite to use a switch.
3057 * ggc.h (struct rtx_def): Forward declare.
3059 * print-rtl.c (debug_rtx_range): New.
3060 * rtl.h (debug_rtx_range): Declare.
3062 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
3064 * gcse.c (gcse_main): Don't rebuild the CFG here.
3065 (delete_null_pointer_checks): Likewise.
3066 * ssa.c (convert_to_ssa): Likewise.
3067 * toplev.c (rest_of_compilation): Do it here instead. Combine
3068 sequential calls to TIMEVAR. Consistently use `insns' instead of
3069 `get_insns()'. Always split insns after reload when optimizing.
3071 * basic-block.h (merge_blocks_nomove): Declare.
3072 (tidy_fallthru_edge): Declare.
3073 * flow.c (merge_blocks_nomove): Document as merging into previous
3074 blocks. Remove cruft from between blocks; remove all edges out of A.
3075 (tidy_fallthru_edge): Export.
3077 2000-04-06 Alex Samuel <samuel@codesourcery.com>
3079 * ssa.c (compute_conservative_reg_partition): Declare with
3081 * toplev.c (clean_dump_file): Remove previously-deleted function
3082 inadvertantly merged back in.
3083 * conflict.c (conflict_graph_add): Use a single call to
3084 htab_find_slot to look up and insert.
3086 2000-04-06 Richard Henderson <rth@cygnus.com>
3088 * genrecog.c (*): Rename _last_insn to last_insn.
3089 (make_insn_sequence): Set the position of the peephole2 C test
3090 to be at the last insn.
3092 2000-04-06 Richard Henderson <rth@cygnus.com>
3094 * flow.c (compute_flow_dominators): Free worklist.
3096 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
3098 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
3100 2000-04-06 Alex Samuel <samuel@codesourcery.com>
3102 * rtl.h (INSN_P): New macro.
3103 (successor_phi_fn): New typedef.
3104 (for_each_successor_phi): New prototype.
3105 (in_ssa_form): New variable.
3106 (PHI_NODE_P): Likewise.
3107 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
3108 phi nodes in successors.
3109 (mark_used_regs): Add PHI case.
3110 (set_phi_alternative_reg): New function.
3111 (life_analysis): Assert that dead code elimination is not selected
3113 * toplev.c (to_ssa_time): New variable.
3114 (from_ssa_time): Likewise.
3115 (compile_file): Zero to_ssa_time and from_ssa_time.
3116 Print time to convert to and from SSA.
3117 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
3118 (print_time): Compute percent fraction as integer.
3119 * ssa.c (PHI_NODE_P): Moved to rtl.h.
3120 (convert_to_ssa): Check if we're already in SSA.
3121 Don't eliminate dead code in life_analysis.
3122 Rerun flow and life analysis at bottom.
3123 (eliminate_phi): Use canonical regnos when adding nodes.
3124 (mark_reg_in_phi): New function.
3125 (mark_phi_and_copy_regs): Likewise.
3126 (convert_from_ssa): Rerun life analysis at top.
3127 Use coalesced partition.
3128 Check for removing a phi node at the end of the block.
3129 (compute_coalesced_reg_partition): New function.
3130 (coalesce_regs_in_copies): Likewise.
3131 (coalesce_reg_in_phi): Likewise.
3132 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
3133 (for_each_successor_phi): Likewise.
3134 (rename_context): New struct.
3135 (rename_block): Use a rename_context with rename_insn_1. When
3136 renaming sets of a subreg, emit a copy of the entire reg first.
3137 (rename_insn_1): Treat data as a rename_context *. Save current
3139 (rename_set_data): Add field set_insn.
3140 * Makefile.in (HASHTAB_H): Move up in file.
3141 (OBSTACK_H): New macro.
3142 (collect2.o): Use OBSTACK_H in dependencies.
3143 (sdbout.o): Likewise.
3144 (emit-rtl.o): Likewise.
3145 (simplify-rtx.o): Likewise.
3146 (fix-header.o): Likewise.
3147 (OBJS): Add conflict.o.
3148 (conflict.o): New rule.
3149 * basic-block.h: Include partition.h.
3150 (conflict_graph): New typedef.
3151 (conflict_graph_enum_fn): Likewise.
3152 (conflict_graph_new): New prototype.
3153 (conflict_graph_delete): Likewise.
3154 (conflict_graph_add): Likewise.
3155 (conflict_graph_conflict_p): Likewise.
3156 (conflict_graph_enum): Likewise.
3157 (conflict_graph_merge_regs): Likewise.
3158 (conflict_graph_print): Likewise.
3159 (conflict_graph_compute): Likewise.
3160 * conflict.c: New file.
3162 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
3164 * tlink.c (read_repo_files): Don't look for .rpo info for
3167 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3169 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
3171 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3173 * config/sh/lib1funcs.asm (___udivsi3_i4):
3174 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
3175 only depends on FMOVD_WORKS.
3177 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3179 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
3180 make double constant 8-byte aligned.
3182 2000-04-06 Jakub Jelinek <jakub@redhat.com>
3184 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
3185 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
3186 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
3187 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
3188 Accept storing GENERAL_REGS into offsetable memory.
3189 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
3190 building a TFmode constant other than 0.0L into GENERAL_REGS.
3192 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
3194 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
3196 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
3198 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
3199 (macro_cleanup): No need to cast pbuf->macro.
3200 (collect_expansion): Use _cpp_get_define_token. Goto done if
3201 it returns VSPACE. Remove check for trailing space after
3203 (_cpp_create_definition): Don't diddle flags here. Return
3205 (unsafe_chars): Handle c1 being EOF.
3206 (push_macro_expansion): Use unsafe_chars for both accidental-paste
3207 checks. Don't push the buffer till after we're done with
3209 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
3210 (PEEKN, FORWARD, GETC, PEEKC): Use them.
3211 (cpp_push_buffer): Don't set new->alimit. Set new->mark
3213 (_cpp_parse_assertion): Don't NUL terminate.
3214 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
3215 hspace before calling _cpp_parse_assertion. Remove all sets
3216 of only_seen_white. Treat '\f' as hspace. Don't do anything
3217 special with '\n' here.
3218 (maybe_macroexpand): Handle T_EMPTY hash entries without
3219 pushing a buffer at all.
3220 (cpp_get_token): Handle clearing only_seen_white here. Handle
3221 incrementing the line number here. Clear
3222 potential_control_macro as well as only_seen_white, if
3224 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
3225 (_cpp_get_define_token): New function, basically like
3226 _cpp_get_directive_token was but doesn't eat horizontal space.
3227 Don't do anything with only_seen_white here.
3228 (_cpp_get_directive_token): Just call _cpp_get_define_token
3229 repeatedly till it returns non-hspace.
3231 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
3232 (conditional_skip, skip_if_group): Return int.
3233 (DIRECTIVE_TABLE): Change origin of all conditional directives
3235 (TRAD_DIRECT_P): New macro.
3236 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
3237 an error for a bogus directive, unless -lang-asm. Use
3238 TRAD_DIRECT_P. Loop calling handler functions till one returns
3240 (get_macro_name): Don't diddle flags here.
3241 (do_define): Diddle flags here. Use _cpp_get_directive_token.
3242 Create T_EMPTY nodes for #define macro /* nothing */.
3243 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
3244 Use hp->name when calling pass_thru_directive.
3245 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
3246 Return the result of conditional_skip and/or skip_if_group.
3247 Don't call _cpp_output_line_command.
3248 (consider_directive_while_skipping): Use _cpp_get_directive_token.
3249 Issue -Wtraditional warnings as appropriate. Don't complain
3250 about unrecognized directives. If we are to stop skipping,
3251 return the number of the directive that ended the skip.
3252 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
3253 expansion and line commands while skipping. Return the result
3254 of consider_directive_while_skipping, if nonzero.
3255 (do_endif): Just set potential_control_macro here.
3256 (validate_else): Use _cpp_get_directive_token.
3257 (do_assert, do_unassert): Don't save pointers into the
3258 token_buffer across calls to the lexer. Use
3259 _cpp_get_directive_token.
3261 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
3262 pointer, not an offset. Replace 'data', which was a generic
3263 pointer, with 'macro', which points to a struct hashnode.
3264 (cpp_reader): Add 'potential_control_macro' pointer.
3265 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
3266 (CPP_BUF_GET, CPP_FORWARD): Delete.
3267 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
3268 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
3269 ACTIVE_MARK_P): Update.
3270 (_cpp_get_define_token): New internal function.
3271 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
3273 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
3275 * configure.in: And here.
3276 * configure: Regenerate.
3277 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
3278 --enable-libstdcxx-v3 is passed at configure time.
3279 * config.h.in: Regenerate.
3281 2000-04-05 Mark Mitchell <mark@codesourcery.com>
3283 * final.c (final): Use xcalloc to allocate line_note_exists.
3284 * function.c (free_after_compilation): Free the temp_slots.
3285 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
3286 (combine_temp_slot): Free temp_slots when they get combined.
3287 (purge_addressof): Fix typo in comment.
3288 * stmt.c (mark_goto_fixup): Mark the fixup itself.
3289 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
3291 * ggc.h: Include varray.h.
3292 (ggc_pending_trees): Declare.
3293 (ggc_mark_tree_children): Remove declaration.
3294 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
3295 * ggc-common.c (ggc_pending_trees): New variable.
3296 (ggc_mark_roots): Call ggc_mark_trees.
3297 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
3298 the ggc_pending_trees.
3299 * Makefile.in (GGC_H): New variable. Use it throughout in place
3302 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3304 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
3307 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3309 * sh.c (sh_insn_length_adjustment): New function.
3310 * sh-protos.h (sh_insn_length_adjustment): Declare.
3311 * sh.h (ADJUST_INSN_LENGTH): Use it.
3313 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
3315 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
3316 from the insn where REG_RETVAL is added.
3317 (emit_no_conflict_block): Ditto.
3319 * md.texi (Standard Names): Clarify when movX is needed.
3321 * combine.c (simplify_comparison) [MINUS]: Do not replace
3322 all (op (minus A B) 0) with (op A B).
3324 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
3325 J"orn Rennecke <amylaar@cygnus.co.uk>
3327 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
3328 (block_lump_real): Likewise.
3330 2000-04-05 Chris Demetriou <cgd@netbsd.org>
3332 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
3333 remaining non-zero debugging masks.
3335 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
3337 * basic-block.h (verify_flow_info): Declare.
3338 (flow_loop_outside_edge_p): Declare.
3339 * flow.c (verify_flow_info): Remove declaration.
3340 (clear_log_links, flow_loop_outside_edge_p): Likewise.
3342 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
3344 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
3347 2000-04-05 Jakub Jelinek <jakub@redhat.com>
3349 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
3350 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
3351 seqdi_zero_trunc+1): Allow splits only if registers are
3354 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
3356 * acconfig.h: Add HAVE_GAS_HIDDEN.
3357 * config.in: Regenerated.
3358 * configure.in: Add test for .hidden pseudo-op in gas.
3359 * configure: Regenerated.
3360 * crtstuff.c: Include auto-host.h.
3361 Emit additional .hidden pseudo-op for __dso_handle if the
3362 assembler knows about it.
3364 2000-04-04 Philippe De Muyter <phdm@macqel.be>
3366 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
3367 before freeing argnames.
3368 * cpplib.c (do_ifndef): Cast return value of xstrdup.
3370 2000-04-05 Michael Meissner <meissner@redhat.com>
3372 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
3373 Walton <jonboy@gordian.com> to make memory references with update
3374 work wtih -mregnames.
3376 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3378 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
3379 (regrename_optimize): Rename variables `def_uses' and
3380 `ext_basic_blocks' to avoid conflicts with similarly named
3381 typedefs in traditional C.
3383 * calls.c (initialize_argument_information): Fix typo in previous
3386 2000-04-04 Richard Henderson <rth@cygnus.com>
3388 * regrename.c (consider_available): Test fixed_regs not
3389 PIC_OFFSET_TABLE_REGNUM.
3391 2000-04-04 Geoff Keating <geoffk@cygnus.com>
3393 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
3395 (CRTSTUFF_T_CFLAGS_S): Delete definition.
3396 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
3397 (ENDFILE_LINUX_SPEC): Always use crtend.
3398 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
3399 (powerpc-*-linux-gnu): Likewise.
3400 * configure: Regenerate.
3402 * config/rs6000/eabi.h: Don't include sysv4.h.
3403 (MULTILIB_DEFAULTS): Don't define.
3404 * config/rs6000/eabiaix.h: Don't include eabi.h.
3405 * config/rs6000/eabile.h: Delete.
3406 * config/rs6000/eabilesim.h: Delete.
3407 * config/rs6000/eabisim.h: Don't include eabi.h.
3408 * config/rs6000/linux.h: Don't include sysv4.h.
3409 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
3410 (MULTILIB_DEFAULTS): Don't redefine.
3411 * config/rs6000/rtems.h: Don't include eabi.h.
3412 * config/rs6000/sol2.h: Don't include sysv4le.h.
3413 * config/rs6000/sysv4le.h: Don't include sysv4.h.
3414 * config/rs6000/t-ppc: Delete.
3415 * config/rs6000/t-ppcgas: Correct comment.
3416 * config/rs6000/t-ppcos: Correct comment. Don't build
3417 multilibs for -fPIC, rather use -fPIC -mstrict-align
3419 * config/rs6000/t-ppc: Delete.
3420 * config/rs6000/vxppc.h: Don't include sysv4.h.
3421 * config/rs6000/vxppcle.h: Delete.
3422 * configure.in: Use multiple header files for p2pc ELF targets
3423 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
3424 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
3425 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
3426 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
3427 always available for these platforms.
3429 2000-04-04 Richard Henderson <rth@cygnus.com>
3431 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
3433 2000-04-04 Stan Cox <scox@cygnus.com>
3435 * Makefile.in: Add rules for regrename.o
3436 * regrename.c: New file.
3437 * rtl.h (regrename_optimize): Add prototype.
3438 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
3439 (compile_file, decode_d_option): Add support for -frename-registers.
3440 (rest_of_compilation): Call regrename_optimize.
3441 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
3444 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3446 * Makefile (gccbug): New target.
3447 (doc): Depend on it.
3448 * gcc.texi (Bugs): Link subnodes.
3450 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
3451 Document severities, priorities, and classes in bug form.
3453 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
3455 * cpplex.c (trigraph_map, speccase): Combine into single
3457 (NORMAL, NONTRI): New macros.
3458 (_cpp_read_and_prescan): Change to use unified table. Use
3459 is_hspace to test for whitespace.
3461 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
3462 definition that doesn't provoke the "empty body in an
3463 if-statement" warning.
3465 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
3467 * builtins.c (expand_builtin_strlen): Force the source to
3468 be a memory address.
3470 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3472 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
3474 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
3476 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
3477 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
3478 (ECF_IS_CONST): Rename to ECF_CONST.
3479 (special_function_p): Make static, change interface.
3480 (flags_from_decl_or_type, try_to_integrate): Break out from ...
3481 (expand_call) ... here; convert number of variables to flags.
3482 (emit_library_call_vlue_1): Likewise.
3483 (setjmp_call_p): New function.
3484 (initialize_argument_information): Accepts flags as argument;
3486 (precompute_arguments): Likewise.
3487 * tree.h (special_function_p): Remove.
3488 (setjmp_call_p): Add prototype.
3490 2000-04-04 Jakub Jelinek <jakub@redhat.com>
3492 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
3493 so that addresses are offsetable by up to 16 bytes.
3494 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
3495 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
3498 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
3499 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
3500 (movsf): Don't force any constant to memory if target is integer
3502 Move fp_zero_operand check below the const0_rtx check.
3503 (movtf): Likewise. Also allow fp_zero_operand for stores into
3505 (movdf): Likewise. Also allow fp_zero_operand for stores into
3506 memory and into integer hard registers.
3507 (clear_df, clear_dfp, movdf_const_intreg_sp32,
3508 movdf_const_intreg_sp64): Remove.
3509 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
3511 (movdf_no_e_insn_v9_sp32): New pattern.
3512 (movdf_insn_v9only): Remove.
3513 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
3514 (movdf_insn_sp64): Remove.
3515 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
3516 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
3517 (following splits): Rewrite conditions. Add two new splits
3518 for storing 0.0 into memory and registers.
3519 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
3520 (movtf_insn_sp32): Redo constraints and conditions.
3521 (movtf_insn_vis_sp32): New pattern.
3522 (movtf_no_e_insn_sp32): Redo constraints and conditions.
3523 (movtf_insn_hq_sp64): Likewise.
3524 (movtf_insn_hq_vis_sp64): New pattern.
3525 (movtf_insn_sp64): Redo constraints and conditions.
3526 (movtf_insn_vis_sp64): New pattern.
3527 (movtf_no_e_insn_sp64): Redo constraints and conditions.
3528 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
3530 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
3531 -mvis or -m64 to take down the number of various reload patterns.
3533 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
3535 * pa/pa-64.h: New file.
3536 * pa/pa64-regs.h: New file.
3537 * pa/pa64-start.h: New file.
3538 * pa/t-pa64: New file.
3539 * pa/xm-pa64hpux.h: New file.
3541 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3543 * sparc.c (output_restore_regs): Prototype.
3544 (sparc_emit_float_lib_cmp): Constification.
3546 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
3548 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
3551 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
3552 (get_value_hash, hash_rtx): Likewise.
3554 * ssa.c (compute_conservative_reg_partition): Prototype.
3556 * tree.c (mark_hash_entry): Prototype.
3558 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
3560 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
3561 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
3562 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
3564 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
3565 * objc/lang-specs.h: Likewise.
3567 2000-04-03 Neil Booth <NeilB@earthling.net>
3569 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
3570 and SYNTAX_ERROR2. Replace `' in messages with ''.
3571 (op_to_str): Make re-entrant.
3572 (_cpp_parse_expr): Implement new error macros. Use | rather
3573 than || to logically or 2 boolean integers. Simply expression
3574 checking we have a left operand iff needed.
3576 2000-04-03 Nick Clifton <nickc@cygnus.com>
3578 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
3580 2000-04-03 Philip Blundell <philb@gnu.org>
3582 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
3584 2000-04-03 Felix Lee <flee@cygnus.com>
3586 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
3587 (run_shell): Use it.
3589 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
3591 * Makefile.in (stmp-int-hdrs): Make include subdir here...
3592 (stmp-fixproto): ...rather than here.
3594 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
3596 * pa.c (print_operand): Compute 'base' only inside the code paths
3599 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
3601 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
3604 2000-04-03 Philipp Thomas <pthomas@suse.de>
3606 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
3608 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
3610 * Makefile.in (alias.o): Depend on $(TREE_H).
3612 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
3614 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
3616 * cpplib.c (_cpp_handle_directive): Improve warnings for
3617 traditional C and indented directives.
3619 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
3620 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
3621 fixinc/inclhack.def: Indent the # of #include_next one space.
3622 * cp/rtti.c: Un-indent #if and #endif.
3624 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
3625 syntax error, but an error has already been printed.
3626 * cpplex.c (_cpp_parse_assertion): Give a more specific error
3627 message when called with nothing remaining on the line.
3628 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
3629 OTHER token, not an ASSERTION.
3630 * cpplib.c (do_assert): When we create a 'base' node, clear
3631 its aschain pointer.
3633 2000-04-02 Neil Booth <NeilB@earthling.net>
3635 * cppexp.c: New typedef op_t. struct operation and struct
3636 token updated to use it.
3637 (op_to_str): New function.
3638 (_cpp_parse_expr): Error messages modified to use op_to_str.
3640 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3642 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
3643 before checking MUST_PASS_IN_STACK.
3645 2000-04-02 Neil Booth <NeilB@earthling.net>
3647 * cppexp.c: New FINISHED dummy token. Combine operator initial
3648 flags and initial priority into a single constant. New
3649 EQUALITY macro. New operator flag SHORT_CIRCUIT.
3650 (_parse_cpp_expr): Implement new constants. Take left operand
3651 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
3652 parse indicated by reducing FINISHED token. Remove new lines
3653 from cpp_error messages.
3655 2000-04-01 Mark Mitchell <mark@codesourcery.com>
3657 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
3660 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
3662 * cpplib.c: Include symcat.h. Add 'origin' field to struct
3663 directive. Add origin values to DIRECTIVE_TABLE. Generate
3664 the strings and function names on the fly. Take the #sccs
3665 entry out of the table if SCCS_DIRECTIVE is not defined.
3666 (_cpp_handle_directive): Decide if the # was at the beginning
3667 of the line here. Issue -pedantic warnings for extended
3668 directives here. Warn about K+R directives with the #
3669 indented, and C89/extended directives with the # not indented,
3671 (do_import, do_include_next, do_warning, do_ident, do_sccs,
3672 do_assert, do_unassert): Don't issue pedantic warning here.
3674 * cpphash.h: Add CPP_WTRADITIONAL macro.
3675 * cpplib.h (struct cpp_options): Rename warn_stringify to
3676 warn_traditional; update comments.
3677 * cppinit.c (handle_option): Set warn_traditional not
3679 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
3680 CPP_WTRADITIONAL (pfile).
3681 * cpplex.c (_cpp_lex_token): Don't decide if directives should
3682 be ignored in -traditional mode here.
3684 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
3685 to initialize speccase[] and trigraph_map[]. Delete all
3686 references to pfile->input_speccase. Always treat '?' as a
3687 special character. Remove table-initialization code from
3688 _cpp_init_input_buffer.
3690 * cpplib.h (struct cpp_reader): Remove input_speccase field.
3691 * cppinit.c (cpp_cleanup): Don't free input_speccase.
3693 2000-04-01 Richard Henderson <rth@cygnus.com>
3695 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
3696 (mostlyclean): Likewise.
3698 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
3699 (struct dump_file_info, enum dump_file_index, dump_file): New.
3700 (open_dump_file): Take a dump_file_index not a suffix, and a decl
3701 not a string. Clean out file if we havn't yet done so. Do nothing
3702 if the dump isn't enabled.
3703 (close_dump_file): Do nothing if the dump isn't open. Dump
3704 graph data if requested.
3705 (dump_rtl, clean_dump_file): Remove.
3706 (compile_file): Don't clean the dump files. Only finalize .bp dump
3707 if flag_test_coverage or flag_branch_probabilities. Only finalize
3708 .combine dump if optimizing. Iterate over dump_file to finalize the
3710 (rest_of_compilation): Update for open_dump_file/close_dump_file.
3711 Convert all uses of dump_rtl.
3712 (decode_d_option): Iterate over dump_file to implement 'a' and to
3713 locate pass-specific dumps.
3715 2000-04-01 Neil Booth <NeilB@earthling.net>
3717 * cppexp.c: Redefine priority constants.
3718 (_cpp_parse_expr): Replace left and right priority scheme with
3719 single priority logic. Move LOGICAL to same place as COMPARE.
3720 Remove bogus check for multiple unary +/- operators.
3722 2000-04-01 Neil Booth <NeilB@earthling.net>
3724 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
3725 within the switch statement. Binary operations break out of
3726 the switch naturally. '(' tokens handled by forcing
3727 immediate shift. ')' handled by forcing immediate reduce to
3728 the previous '('. New error messages.
3730 2000-03-31 Geoff Keating <geoffk@cygnus.com>
3732 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
3733 part', it's already in use. Use %K instead. Add a return at the
3734 end of what is now %K.
3735 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
3737 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
3739 * builtins.c (expand_builtin_apply): Pass proper parameters to
3740 allocate_dynamic_stack_space.
3741 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
3742 update stack_pointer_delta; do not update arg_size_so_far.
3743 (compute_argument_block_size): Use stack_delta instead of
3744 stack_pointer_pending and arg_size_so_far.
3745 (expand_call): Add sanity checking for stack_pointer_delta;
3746 save and restore stack_pointer_delta for SIB, use
3747 stack_pointer_delta for alignment; do not update arg_space_so_far.
3748 (emit_library_call_value): Use stack_pointer_delta for alignment.
3749 (store_one_arg): Do not update arg_space_so_far.
3750 * explow.c (adjust_stack, anti_adjust_stack): Update
3751 stack_pointer_delta.
3752 (allocate_dynamic_stack_space): Add sanity checking for
3753 stack_pointer_delta.
3754 * expr.c (init_expr, clear_pending_stack_adjust): Clear
3755 stack_pointer_delta.
3756 (emit_push_insn): Update stack_pointer_delta.
3757 * function.h (struct expr_status): Add x_stack_pointer_delta;
3758 remove x_arg_space_so_far.
3759 (arg_space_so_far): Remove.
3760 (stack_pointer_delta): New macro.
3762 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
3764 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
3765 Reorder struct cpp_options and struct cpp_reader for better
3766 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
3767 takes two args. Change all 'char' flags to 'unsigned char'.
3768 Move show_column flag into struct cpp_options. Don't
3769 prototype cpp_options_init.
3770 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
3771 cppinit.c, cpplex.c, cpplib.c:
3772 Replace CPP_OPTIONS (pfile)->whatever with
3773 CPP_OPTION (pfile, whatever), and likewise for
3774 opts = CPP_OPTIONS (pfile); ... opts->whatever;
3776 * cppinit.c (merge_include_chains): Take a cpp_reader *.
3777 Extract CPP_OPTION (pfile, pending) and work with that
3779 (cpp_options_init): Delete.
3780 (cpp_reader_init): Turn on on-by-default options here.
3781 Allocate the pending structure here.
3782 (cl_options, enum opt_code): Define these from the same table,
3783 kept in a large macro. Add -fshow-column and -fno-show-column
3786 * cpperror.c (v_message): If show_column is off, don't print
3789 * cppmain.c: Update for new interface.
3790 * fix-header.c: Likewise.
3792 2000-03-30 Geoff Keating <geoffk@cygnus.com>
3794 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
3796 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
3797 are passed to any invocation of AR_FOR_TARGET.
3798 (AR_CREATE_FOR_TARGET): New macro.
3799 (AR_EXTRACT_FOR_TARGET): New macro.
3800 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
3801 AR_EXTRACT_FOR_TARGET.
3802 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
3803 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
3804 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
3805 AR_EXTRACT_FOR_TARGET to sub-makes.
3807 2000-03-31 Neil Booth <NeilB@earthling.net>
3809 * cppexp.c: Delete SKIP_OPERAND. Correct priority
3811 (_cpp_parse_expr): Check for multiple unary +/- operators.
3812 Correct priorities of ':' and '?'. Treat ')' as having a
3813 value. Ensure conditional expression is not void.
3815 2000-03-31 Mark Mitchell <mark@codesourcery.com>
3817 * alias.c (canon_rtx): Make it global.
3818 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
3820 * cse.c (struct table_elt): Add canon_exp.
3822 (invalidate): Canonicalize expressions only once.
3823 * rtl.h (canon_rtx): Declare.
3825 2000-03-30 Mark Mitchell <mark@codesourcery.com>
3827 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
3828 * alias.c (reg_known_value): Add comments.
3829 (init_alias_analysis): Likewise.
3830 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
3832 (cse_basic_block): Fix typo in comment.
3833 * emit-rtl.c: Include hashtab.h.
3834 (const_int_htab): New variable.
3835 (const_int_htab_hash): New function.
3836 (const_int_htab_eq): Likewise.
3837 (rtx_htab_mark_1): Likewise.
3838 (rtx_htab_mark): Likewise.
3839 (gen_rtx_CONST_INT): Cache all CONST_INTs.
3840 (unshare_all_rtx): Fix formatting.
3841 (init_emit_once): Initialize const_int_htab.
3842 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
3844 * rtl.texi: Document the fact that all CONST_INTs with the same
3847 2000-03-30 Richard Henderson <rth@cygnus.com>
3849 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
3851 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
3853 * configure.in: Comment out --enable-c-cpplib stanza.
3854 * configure: Regenerate.
3856 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3858 * expr.c (store_constructor): Properly compute displacement and
3859 alignment when offset is variable.
3861 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
3862 cases of alignment in bytes.
3864 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
3866 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
3867 since it is used to generate c-parse.y.
3868 * objc-parse.c, objc-parse.y: Regenerated.
3870 * function.c (expand_function_end): Pass alignment argument to
3871 emit_block_move in bits, not bytes.
3873 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3875 * expr.c (move_by_pieces_ninsns): Fix one more missing align
3878 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
3880 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
3881 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
3882 * function.c (assign_parms): Likewise.
3883 * integrate.c (expand_inline_function): Likewise.
3884 * stmt.c (expand_decl): Likewise.
3885 (copy_rtx_and_substitute): Likewise.
3886 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
3887 (clear_by_pieces): Fix error in last change.
3888 * emit-rtl.c (init_emit): Set known registers alignment in bits.
3889 * function.h (regno_pointer_align): Now unsigned.
3890 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
3892 * config/i386/i386.c (aligned_operand): Likewise.
3893 * config/sparc/sparc.c (mem_min_alignment): Likewise.
3894 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
3895 (unaligned_memory_operand): Likewise.
3896 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
3897 Also make alignments and sizes unsigned and some whitespace cleanup.
3898 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
3900 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
3901 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
3902 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
3903 (expand_builtin_memset): Likewise, but to clear_storage.
3904 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
3905 (restore_fixed_argument_area): Likewise.
3906 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
3907 (load_register_parameters): Likewise, to emit_group_load.
3908 (expand_call): Likewise, to emit_group_store and emit_block_move.
3909 (emit_library_call_value_1): Likewise, to emit_block_move.
3910 (store_one_arg): Likewise, and to emit_push_insn.
3911 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
3912 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
3913 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
3914 (emit_block_move, emit_group_load, emit_group_store): Likewise.
3915 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
3916 (expand_assigment, store_expr, store_constructor_field): Likewise.
3917 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
3918 (store_constructor, store_field, get_inner_reference): Likewise.
3919 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
3920 (expand_expr, case COMPONENT_REF): Likewise.
3921 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
3922 and positions; reindent code.
3923 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
3924 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
3925 (assign_parms): Likewise to emit_group_store.
3926 * optabs.c (prepare_cmp_insn): Alignment is in bits.
3927 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
3928 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
3929 (expand_return): Likewise to {extract,store}_bit_field.
3930 * stor-layout.c (get_mode_alignment): Minor cleanup.
3931 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
3932 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
3934 2000-03-29 Nick Clifton <nickc@cygnus.com>
3936 * config/arm/arm.h: Undo effects of previous delta:
3937 (ASM_SPEC): Do not define.
3938 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
3940 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
3943 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3945 * cppinit.c (cpp_start_read): Call initialize_dependency_output
3946 only after reading in the primary source file.
3948 2000-03-29 Geoff Keating <geoffk@cygnus.com>
3950 * c-common.c (c_common_nodes_and_builtins): The first parameter to
3951 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
3952 or a reference to a va_list.
3953 * builtins.c (stabilize_va_list): Simplify now we don't have to
3954 work around C array address decay.
3955 * c-typeck.c (convert_for_assignment): Handle assignment to
3956 a reference parameter by taking the address of the RHS.
3957 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
3958 (va_copy): Likewise.
3959 (__va_copy): Likewise.
3960 * ginclude/varargs.h (va_start): Likewise.
3961 (__va_copy): Likewise.
3963 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
3965 * i386/djgpp.h: Remove extraneous "+".
3967 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
3969 * calls.c (expand_call): Fix typo in last change.
3971 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
3973 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
3976 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3978 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
3979 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
3980 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
3981 * tree.c (bit_position, byte_position): Likewise.
3982 * tree.h: Declare new functions.
3984 2000-03-29 Nick Clifton <nickc@cygnus.com>
3986 * config/arm/arm.c: Minor formatting changes/
3987 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
3989 (ASM_SPEC): Define if not already defined.
3991 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3993 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
3996 2000-03-29 Jakub Jelinek <jakub@redhat.com>
3998 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
3999 value, don't output it as unsigned.
4001 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
4003 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
4005 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4007 * c-common.c (c_common_nodes_and_builtins): Don't special case
4008 cplus_mode when declaring builtin bzero/bcmp, always avoid
4009 prototype arguments.
4011 2000-03-29 Bruce Korb <bkorb@gnu.org>
4013 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
4016 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
4018 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
4019 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
4020 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
4021 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
4022 (save_fixed_argument_area, restore_fixed_argument_area):
4023 conditionize by #ifdef REG_PARM_STACK_SPACE only.
4024 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
4025 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
4026 (precompute_register_parameters): Avoid #ifdefs on
4027 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
4028 (stire_one_args): Likewise.
4029 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
4030 (emit_library_call_value_1): Likewise.
4031 (compute_argument_block_size): Align to STACK_BOUNDARY only for
4032 ACCUMULATE_OUTGOING_ARGS.
4033 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
4035 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
4036 (use_crosses_set_p): Likewise.
4037 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
4038 #define ACCUMULATE_OUTGOING_ARGS 1.
4039 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
4041 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
4043 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
4044 (TARGET_SWITCHES): Add push-args, no-push-args,
4045 accumulate-outgoing-args and no-accumulate-outgoing-args.
4046 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
4047 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
4048 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
4050 (emit_push_insn): Likewise.
4051 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
4052 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
4053 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
4054 (STACK_DYNAMIC_OFFSET): Define correctly for both
4055 ACCUMULATE_OUTGOING_ARGS and normal mode.
4056 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
4057 * tm.texi (PUSH_ARGS): Document.
4058 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
4060 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
4062 * flags.h (flag_optimize_sibling_calls): Declare.
4063 * calls.c (expand_call): Fail sibcall when
4064 !flag_optimize_sibling_calls
4065 * invoke.texi (flag_optimize_sibling_calls): Document.
4066 * toplev.c (flag_optimize_sibling_calls): New global variable.
4067 (f_options): Add flag_optimize_sibling_calls.
4068 (rest_of_compilation): Conditionize
4069 optimize_sibling_and_tail_recursive_calls by
4070 flag_optimize_sibling_calls.
4071 (main): Set flag_optimize_sibling_calls for -O2.
4072 * stmt.c (expand_return): Conditionize tail recursion by
4073 flag_optimize_sibling_calls.
4075 2000-03-29 Richard Henderson <rth@cygnus.com>
4077 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
4078 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
4080 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
4082 * except.c (add_eh_table_entry): Mark type_info's as referenced.
4084 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4086 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
4088 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
4089 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
4090 * config/rs6000/aix.h: then modified likewise.
4092 2000-03-28 Richard Henderson <rth@cygnus.com>
4094 * rtl.h: Redistribute enum reg_note documentation.
4095 Kill trailing whitespace.
4096 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
4097 Kill trailing whitespace.
4099 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
4101 * cppfiles.c (hash_IHASH): Just return i->hash.
4102 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
4103 htab_find_with_hash.
4104 (cpp_read_file): Likewise.
4105 (find_include_file): Likewise. Properly initialize
4106 ih->nshort. Share ih->name and ih->nshort if possible.
4107 * cpphash.c (_cpp_calc_hash): New function.
4108 (hash_HASHNODE): Just return h->hash.
4109 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
4110 htab_find_with_hash.
4111 * cpphash.h: Prototype _cpp_calc_hash.
4112 * cppinit.c (initialize_builtins): Provide a valid hash
4113 to _cpp_make_hashnode, using _cpp_calc_hash.
4115 * cpphash.c (collect_expansion): # is not a special character
4116 in object-like macros. In -traditional mode, /**/ is not
4117 token paste at the beginning or end of the line.
4118 * cpplib.c (do_include, do_import, do_include_next): If
4119 parse_include fails, return immediately.
4121 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
4123 * config/arm/arm.md (return peepholes): Update to reflect the new
4125 * config/arm/arm.c (arm_volatile_func): Also check
4126 current_function_nothrow.
4127 (output_return_instruction, output_func_prologue): Use it.
4128 (arm_output_epilogue, arm_expand_prologue): Likewise.
4130 2000-03-27 Tom Tromey <tromey@cygnus.com>
4132 * gcc.c (handle_braces): In {x*...} case, break out of loop if
4135 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4137 * expr.c (store_constructor): SIZE now signed.
4138 For EXPR_SIZE, don't evaluate size; just needed if constant.
4139 * fold-const.c (fold): Fix a number of cases when folded tree is
4141 * function.c (flush_addressof): Reenable.
4142 * tree.h (flush_addressof): Likewise.
4143 * toplev.c (independent_decode_option): Look at strings_processed.
4144 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
4146 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
4148 * sibcall.c (indentify_call_return_value): Find last call in the chain;
4149 Allow stack adjustment after function call.
4151 * regmove.c (struct csa_memlist): Make mem field rtx *.
4152 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
4153 (try_apply_stack_adjustment): Replace whole MEM rtx.
4154 (combine_stack_adjustments_for_block): Update calls
4155 to record_one_stack_ref.
4157 2000-03-28 Neil Booth <NeilB@earthling.net>
4159 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
4160 '\\' rather than a null character, so nulls are not special. Fix
4161 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
4162 speed trigraph conversion.
4163 (_cpp_init_input_buffer): Initialize trigraph map.
4165 2000-03-27 Alan Modra <alan@linuxcare.com.au>
4167 * config/i386/i386.c (output_387_binary_op): Correct intel
4168 mode assembly output, and add spaces after commas in AT&T
4169 output. Correct Unixware assembler comment. Document input
4170 constraints. Comment fp operations. Reduce profligate buffer
4171 size. Remove extraneous abort. Localize temp var.
4172 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
4173 (output_fix_trunc): Add spaces after commas in assembly output.
4175 2000-03-27 Richard Henderson <rth@cygnus.com>
4177 * i386-protos.h (ix86_match_ccmode): Declare.
4178 * i386.c (ix86_match_ccmode): New.
4179 (ix86_expand_fp_compare): Update for pattern renames.
4180 (ix86_expand_strlensi_unroll_1): Likewise.
4181 * i386.h (EXTRA_CC_MODES): Add CCZ.
4182 (SELECT_CC_MODE): Use it for EQ/NE zero.
4183 * i386.md (cmpsi_ccz_1): New.
4185 (*testsi_ccz_1): New.
4186 (testqi_ccz_1): New.
4187 (cmpsi_ccno_1): Rename from cmpsi_0.
4188 (testsi_ccno_1): Rename from testsi_1.
4189 (testqi_ccno_1): Rename from testqi_1.
4190 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
4191 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
4192 (*cmphi_0): Use ix86_match_ccmode.
4193 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
4194 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
4195 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
4196 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
4197 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
4198 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
4199 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
4200 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
4201 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
4202 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
4203 (appropriate peepholes): Likewise.
4204 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
4205 (*subsi_3, *subhi_3, *subqi_3): Remove.
4206 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
4207 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
4208 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
4209 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
4210 (x86_shift_adj_1): Use CCZ.
4211 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
4213 2000-03-27 Stan Cox <scox@cygnus.com>
4215 * resource.h (mark_resource_type): New.
4216 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
4217 find_free_register): Use mark_resource_type.
4218 (mark_set_resources): Change include_delayed_effects
4219 to mark_resource_type.
4220 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
4221 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
4222 Use mark_resource_type.
4224 2000-03-27 Richard Henderson <rth@cygnus.com>
4226 * i386.md (call_pop_0, call_value_pop_0): New.
4227 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
4228 (call_value_pop_1): Likewise.
4229 (call_0, call_value_0): New.
4230 (call_1, call_value_1): Remove constraint from unused arg.
4232 2000-03-27 Nick Clifton <nickc@cygnus.com>
4234 * invoke.texi (Spec Files): Document new spec % command created by
4235 Tom Tromey's recent patch.
4237 2000-03-27 Jakub Jelinek <jakub@redhat.com>
4239 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
4242 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4244 * expr.c (expand_assignment): Fix typo in last change.
4246 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
4248 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4250 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
4251 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
4252 and DECL_INLINE if FUNCTION_DECL.
4253 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
4254 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
4255 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
4256 (combine_parm_decls): Likewise.
4257 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
4258 * print-tree.c (print_node): Likewise.
4259 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
4260 DECL_TRANSPARENT_UNION on proper decl types.
4261 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
4262 * stor-layout.c (layout_decl): Only check DECL_PACKED and
4263 DECL_BIT_FIELD of FIELD_DECL.
4264 * tree.h (DECL_RESULT_FLD): New macro.
4266 * expr.c (expand_assignment): Add code to handle variable-sized
4269 2000-03-26 Richard Henderson <rth@cygnus.com>
4271 * calls.c (expand_call): Pass parms not original exp to
4272 optimize_tail_recursion. Mind return value instead of looking
4274 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
4275 call_expr. Move checks for call_expr and current_function_decl ...
4276 (expand_return): ... here.
4278 2000-03-26 Tom Tromey <tromey@cygnus.com>
4280 * gcc.c (handle_braces): Recognize `%{<S}' construct.
4281 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
4283 (process_command): Use them.
4284 (check_live_switch): Likewise.
4285 (give_switch): Skip ignored switches.
4287 2000-03-26 Jan Hubicka <jh@suse.cz>
4289 * jump.c (jump_optimize_1): Fix typo in elide optimizations
4290 for minimal jump pass test.
4292 2000-03-26 Mark Mitchell <mark@codesourcery.com>
4294 * integrate.c (function_cannot_inline_p): Do inline functions that
4297 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4299 * stor-layout.c (layout_type, set_sizetype): early_type_list is
4300 now a list of TREE_LIST entries, not types.
4301 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
4303 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
4304 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
4306 * config/mips/mips.c (function_arg): Likewise; also remove cast
4307 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
4308 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
4309 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
4310 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
4311 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
4312 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
4313 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
4314 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
4315 num_adjusts now unsigned.
4316 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
4317 * config/sparc/sparc.c (struct function_arg_record_value_parms):
4319 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
4320 as is BITPOS variable; use host_integerp and int_bit_position.
4321 (function_arg_record_value_2): Likewise.
4322 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
4323 Variable REGNO now unsigned.
4324 (function_arg_record_value): NREGS now unsigned.
4326 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
4328 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
4330 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4332 * Rework fields used to describe positions of bitfields and
4333 modify sizes to be unsigned and use HOST_WIDE_INT.
4334 * alias.c (reg_known_value_size): Now unsigned.
4335 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
4336 (really_start_incremental_init): Use bitsize_zero_node.
4337 (push_init_level, pop_init_level, output_init_element): Likewise.
4338 Use bitsize_unit_node and bitsize_one_node.
4339 (output_pending_init_elements, process_init_element): Likewise.
4340 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
4341 (make_extraction): Position and length HOST_WIDE_INT and unsigned
4342 HOST_WIDE_INT, respectively.
4343 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
4344 (num_sign_bit_copies): Returns unsigned.
4345 BITWIDTH now unsigned; rework arithmetic.
4346 Remove recursive call from arg to MAX.
4347 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
4348 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
4350 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
4351 (find_split_point, expand_compound_operation, make_extraction): LEN
4352 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
4353 (make_field_assignment): Likewise.
4354 (combine_simplify_rtx): Add cast.
4355 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
4356 (force_to_mode): WIDTH now unsigned; add cast.
4357 (if_then_else_cond): SIZE now unsigned.
4358 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
4359 (extended_count): Now returns unsigned.
4360 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
4361 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
4362 (simplify_comparison): MODE_WIDTH now unsigned.
4363 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
4364 (mark_used_regs_combine): Likewise; rework arithmetic.
4365 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
4366 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
4367 (record_promoted_value): REGNO now unsigned.
4368 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
4369 (get_last_value): REGNO now unsigned.
4370 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
4371 (reg_dead_regno, reg_dead_endregno): Now unsigned.
4372 (remove_death): Arg REGNO now unsigned.
4373 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
4374 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
4376 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
4377 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
4378 (struct cse_reg_info): REGNO now unsigned.
4379 (cached_regno): Now unsigned.
4380 (REGNO_QTY_VALID_P): Add cast.
4381 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
4382 (remove_invalid_regs): Likewise.
4383 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
4384 as are variables END and I.
4385 (get_cse_reg_info, insert): Likewise.
4386 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
4387 (canon_hash): Likewise.
4388 (insert_regs, lookup_for_remove): REGNO now unsigned.
4389 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
4391 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
4392 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
4393 * emit-rtl.c (subreg_realpart_p): Add cast.
4394 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
4395 (operand_subword_force): Arg I is now unsigned.
4396 * except.c (eh_regs): Variable I is now unsigned.
4397 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
4398 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
4399 length is unsigned HOST_WIDE_INT; likewise for internal variables.
4400 (store_split_bit_field, extract_fixed_bit_field): Likewise.
4401 (extract_split_bit_field, store_bit_field, extract_bit_field):
4403 * expr.c (store_constructor_fields, store_constructor, store_field):
4404 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
4405 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
4406 (do_jump): Likewise.
4407 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
4408 MAX_SIZE is now unsigned.
4409 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
4410 (emit_group_store): Likewise.
4411 (emit_move_insn): I now unsigned.
4412 (store_constructor): Use host_integerp, tree_low_cst, and
4414 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
4415 Rework all calculations to use trees and new fields.
4416 * expr.h (promoted_input_arg): Regno now unsigned.
4417 (store_bit_field, extract_bit_field): Adjust types of pos and size.
4418 (mark_seen_cases): Arg is HOST_WIDE_INT.
4419 * flow.c (verify_wide_reg_1): REGNO now unsigned.
4420 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
4421 precisions and alignments are unsigned.
4422 (optimize_bit_field_compare, fold_truthop): Likewise.
4423 (int_const_binop): Adjust threshold for size_int_type_wide call.
4424 (fold_convert): Likewise.
4425 (size_int_type_wide): Make table larger and fix thinko that only
4426 had half of table used.
4427 (all_ones_mask_p, fold): Precisions are unsigned.
4428 * function.c (put_reg_info_stack): REGNO is unsigned.
4429 (instantiate_decl): Size is HOST_WIDE_INT.
4430 (instantiate_virtual_regs): I is unsigned.
4431 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
4432 (promoted_input_arg): REGNO is unsigned.
4433 * function.h (struct function): x_max_parm_reg is now unsigned.
4434 * gcse.c (max_gcse_regno): Now unsigned.
4435 (struct null_pointer_info): min_reg and max_reg now unsigned.
4436 (lookup_set, next_set): REGNO arg now unsigned.
4437 (compute_hash_table): REGNO and I now unsigned.
4438 (handle_avail_expr): regnum_for_replacing now unsigned.
4439 (cprop_insn): REGNO now unsigned.
4440 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
4441 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
4442 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
4443 * hard-reg-set.h (reg_class_size): Now unsigned.
4444 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
4445 * jump.c (mark_modified_reg): I now unsigned; add cast.
4446 (rtx_equal_for_thread_p): Add cast.
4447 * loop.c (max_reg_before_loop): Now unsigned.
4448 (struct_movable): REGNO now unsigned.
4449 (try_copy_prop): REGNO arg unsigned.
4450 (regs_match_p): XN and YN now unsigned.
4451 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
4452 (strength_reduce): Likewise; NREGS also unsigned.
4453 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
4454 * loop.h (struct iv_class): REGNO now unsigned.
4455 (max_reg_before_loop, first_increment_giv, last_increment_giv):
4457 * machmode.h (mode_size, mode_unit_size): Now unsigned.
4458 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
4459 * optabs.c (expand_binop): I and NWORDS now unsigned.
4460 (expand_unop): I now unsigned.
4461 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
4462 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
4463 * real.c (significand_size): Now returns unsigned.
4464 * real.h (significand_size): Likewise.
4465 * regclass.c (reg_class_size): Now unsigned.
4466 (choose_hard_reg_mode): Both operands now unsigned.
4467 (record_reg_classes): REGNO and NR now unsigned.
4468 (reg_scan): NREGS now unsigned.
4469 (reg_scan_update): old_max_regno now unsigned.
4470 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
4471 * reload.c (find_valid_class): BEST_SIZE now unsigned.
4472 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
4473 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
4474 Likewise for variable R.
4475 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
4476 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
4477 (find_equiv_reg): Add casts.
4478 (regno_clobbered_p): Arg REGNO now unsigned.
4479 * reload.h (struct reload): NREGS now unsigned.
4480 (refers_to_regno_for_reload_p): Regno args are unsigned.
4481 (regno_clobbered_p): Likewise.
4482 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
4483 (compute_use_by_pseudos): REGNO now unsigned.
4484 (find_reg): I and J now unsigned, new variable K, and change loop
4485 variables accordingly; THIS_NREGS now unsigned.
4486 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
4487 (spill_hard_reg): REGNO arg now unsigned; add casts.
4488 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
4489 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
4490 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
4491 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
4492 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
4493 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
4494 (emit_reload_insns): REGNO now unsigned.
4495 (reload_cse_move2add): Add cast.
4496 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
4498 * resource.c (mark_referenced_resources, mark_set_resources): New
4499 variable R; REGNO and LAST_REGNO now unsigned.
4500 (mark_target_live_regs): J and REGNO now unsigned.
4501 * rtl.c (mode_size, mode_unit_size): Now unsigned.
4502 * rtl.h (union rtunion_def): New field rtuint.
4503 (XCUINT): New macro.
4504 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
4505 (operand_subword, operand_subword_force): Word number is unsigned.
4506 (choose_hard_reg_mode): Operands are unsigned.
4507 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
4508 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
4509 (regno_use_in, combine_instructions, remove_death): Likewise.
4510 (reg_scan, reg_scan_update): Likewise.
4511 (extended_count): Return is unsigned.
4512 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
4513 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
4514 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
4515 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
4516 (reg_reg_last_1): FIRS and LAST now unsigned.
4517 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
4518 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
4520 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
4521 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
4522 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
4523 (replace_regs): Arg NREGS now unsigned.
4524 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
4525 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
4526 (simplify_binary_operation): Likewise.
4527 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
4528 THIS_LAST now unsigned.
4529 (cselib_record_set): Add cast.
4530 * ssa.c (ssa_max_reg_num): Now unsigned.
4531 (rename_block): REGNO now unsigned.
4532 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
4534 (all_cases_count): Just return -1 not -2.
4535 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
4536 Rework tests to use trees whenever possible.
4537 Use host_integerp and tree_low_cst.
4538 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
4539 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
4540 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
4541 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
4542 (smallest_mode_for_size): Likewise.
4543 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
4544 KNOWN_ALIGN is now an alignment, so simplify code.
4545 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
4546 (start_record_layout): Renamed from new_record_layout_info.
4547 Update to new fields.
4548 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
4550 (place_union_field): Renamed from layout_union_field.
4551 Update to use new fields in rli.
4552 (place_field): Renamed from layout_field.
4553 Major rewrite to use new fields in rli; pass alignment to layout_decl.
4554 (finalize_record_size): Rework to use new fields in rli and handle
4556 (compute_record_mode): Rework to simplify and to use new DECL fields.
4557 (finalize_type_size): Make rounding more consistent.
4558 (finish_union_layout): Deleted.
4559 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
4560 (layout_type, case RECORD_TYPE): Call new function names.
4561 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
4562 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
4563 (get_best_mode): UNIT is now unsigned; remove casts.
4564 * tree.c (bit_position): Compute from new fields.
4565 (byte_position, int_byte_position): New functions.
4566 (print_type_hash_statistics): Cast to remove warning.
4567 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
4568 (build_index_type): Likewise; make subtype of sizetype.
4569 (build_index_2_type): Pass sizetype to build_range_type.
4570 (build_common_tree_nodes): Use size_int and bitsize_int to
4571 initialize nodes; add bitsize_{zero,one,unit}_node.
4572 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
4573 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
4574 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
4575 (DECL_FIELD_BITPOS): Deleted.
4576 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
4577 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
4578 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
4579 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
4580 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
4581 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
4582 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
4583 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
4584 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
4585 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
4586 (DECL_ALIGN): Adjust to new field in union.
4587 (DECL_OFFSET_ALIGN): New field.
4588 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
4589 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
4590 (union tree_decl): Add struct for both aligns.
4591 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
4592 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
4593 (struct record_layout_info): Rework fields to have offset
4594 alignment and byte and bit position.
4595 (start_record_layout, place_field): Renamed from old names.
4596 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
4597 (byte_position, int_byte_position): Likewise.
4598 (get_inner_reference): Change types of position and length.
4599 * unroll.c (unroll_loop): New variable R; use for some loops.
4600 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
4601 (calculate_giv_inc): Arg REGNO now unsigned.
4602 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
4603 * varasm.c (assemble_variable): Clean up handling of size using
4604 host_integerp and tree_low_cst.
4605 (decode_addr_const): Use byte, not bit, position.
4606 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
4607 use tree_low_cst and int_bit_position.
4608 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
4610 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
4612 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
4613 (reorder_block_def): New members eff_head and eff_end.
4614 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
4615 (verify_insn_chain): New function.
4616 (skip_insns_between_block): Add code to skip deleted insns.
4617 Check for note before using.
4618 (chain_reorder_blocks): Replace calls to skip_insns_between_block
4619 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
4620 Check for note before using.
4621 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
4622 (fixup_reorder_chain): Restructure, clean up, defect removal.
4623 (reorder_basic_blocks): Remove last_insn and references to it.
4624 Moved insn chain verification code into a new function (see above).
4625 Delete defective code that sets last insn.
4626 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
4629 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4631 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
4633 2000-03-24 Richard Henderson <rth@cygnus.com>
4635 * tree.c (lang_safe_for_unsave): Remove.
4636 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
4637 allowing for two levels of unsafeness. Remove lang hook.
4638 * tree.h: Update declarations.
4639 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
4640 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
4641 Always fail sibcalls when there are pending cleanups.
4643 2000-03-24 Geoff Keating <geoffk@cygnus.com>
4645 * flow.c (propagate_block): When we delete an ADDR_VEC,
4646 also delete the BARRIER following it if there is one.
4648 2000-03-24 Richard Henderson <rth@cygnus.com>
4650 * builtins.c (expand_builtin_bzero): Convert `length' argument
4653 2000-03-24 Jakub Jelinek <jakub@redhat.com>
4655 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
4656 comparison if regno's are equal.
4657 * calls.c (initialize_argument_informat): Add ecf_flags argument.
4658 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4659 (expand_call): Update caller.
4660 Avoid making a sibling call if argument size of the callee is larger
4661 than argument size of the caller.
4662 Call hard_function_value with outgoing set if in sibcall pass.
4663 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4665 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
4666 Change LEAF_REGISTERS from an array initializer to actual array
4667 identifier. Move static global variable into the function.
4668 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
4669 sequences for leaf functions.
4670 * global.c (global_alloc): Likewise.
4671 * tm.texi (LEAF_REGISTERS): Update documentation.
4673 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
4674 TARGET_FLAT leaf disabling hack.
4675 (LEAF_REGISTERS): Changed from an array initializer to actual array
4676 identifier to avoid duplication and remove the above hack.
4677 (FUNCTION_OK_FOR_SIBCALL): Define.
4678 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
4679 always like call attribute.
4680 (eligible_for_sibcall_delay): New attribute.
4681 (sibcall): New delay type.
4682 (sibcall, sibcall_value, sibcall_epilogue): New expands.
4683 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
4684 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
4685 * config/sparc/sparc.c (sparc_leaf_regs): New array.
4686 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
4688 (output_function_epilogue): Move part of the code into
4689 output_restore_regs.
4690 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
4692 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
4695 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
4696 until infrastructure is finished.
4698 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
4700 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
4701 (save_parm_insns): Not here.
4703 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4705 * builtins.c (expand_builtin_bzero): New function.
4706 (expand_builtin): Handle bzero.
4708 * builtins.def: Add BUILT_IN_BZERO.
4710 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4711 prototype & function for bzero.
4713 2000-03-23 Michael Meissner <meissner@redhat.com>
4715 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
4716 change adding TARGET_FP to the TF floating point insns, except for
4717 trunctfsf2, which generates direct calls to truncdfsf2.
4719 2000-03-23 Geoff Keating <geoffk@cygnus.com>
4721 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
4722 try to protect against middle-end changes that break binary
4724 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
4726 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4728 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
4730 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4732 * calls.c (expand_call): If TARGET is passed by reference and
4733 is readonly, write a CLOBBER.
4735 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4737 * builtins.c (expand_builtin): Handle bcmp.
4739 * builtins.def: Add BUILT_IN_BCMP.
4741 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4742 prototype & function for bcmp.
4744 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
4746 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
4747 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
4748 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
4750 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
4752 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
4753 alternative when using -fp64 -gp32.
4755 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4757 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
4758 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
4759 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
4761 * frame.h (frame_state): Revert last change.
4762 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
4763 * libgcc2.c (throw_helper): Revert last change.
4765 2000-03-22 Richard Henderson <rth@cygnus.com>
4767 * stmt.c (expand_asm_operands): Don't promote the temporary.
4769 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4771 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
4772 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
4773 c_get_alias_set): Likewise.
4774 * c-decl.c (duplicate_decls): Likewise.
4775 * c-typeck.c (default_conversion,build_unary_op): Likewise.
4776 * calls.c (initialize_argument_information): Likewise.
4777 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
4779 * dwarfout.c (decl_class_context,output_type): Likewise.
4780 * expr.c (get_inner_reference): Likewise.
4781 * fold-const.c (simple_operand_p,fold): Likewise.
4782 * function.c (aggregate_value_p): Likewise.
4783 * stmt.c (expand_asm_operands): Likewise.
4784 * varasm.c (named_section): Likewise.
4786 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4788 Implement dwarf2 exception handling for the ARM.
4789 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
4790 (DWARF_FRAME_RETURN_COLUMN): Define.
4791 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
4792 REG_FRAME_RELATED_EXPR note.
4793 (emit_sfm): Likewise.
4794 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
4795 * dwarf2out.c (reg_save): Handle saving a register to itself.
4796 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
4797 * except.c (eh_regs): Don't use the static chain reg if it's
4799 * frame.h (frame_state): Add cfa_saved field.
4800 * frame.c (execute_cfa_insn): Set it.
4801 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
4803 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
4805 (instantiate_virtual_regs): Adjust.
4807 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4808 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4809 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
4811 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
4812 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
4814 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4816 * builtins.def: New file.
4818 * Makefile.in (TREE_H): Depend on builtins.def.
4820 * builtins.c (built_in_names): Use builtins.def.
4822 * tree.h (built_in_function): Likewise.
4824 2000-03-22 Mark Mitchell <mark@codesourcery.com>
4826 * tree.c (size_in_bytes): Return size_zero_node, not
4829 2000-03-22 Geoff Keating <geoffk@cygnus.com>
4831 * config/fp-bit.c (pack_d): Correct the case when a denormal
4832 is rounded up and stops being denormal.
4834 2000-03-21 Richard Henderson <rth@cygnus.com>
4836 * config/alpha/alpha.c (function_arg): Check for void_type_node
4837 before using MUST_PASS_IN_STACK.
4839 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
4841 * regmove.c (combine_stack_adjustments_for_block): Check that
4842 the stack pointer is a valid memory address.
4844 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
4846 * calls.c: re-install Mar 16 emit_library_call merge.
4848 2000-03-21 Jakub Jelinek <jakub@redhat.com>
4850 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
4851 we cannot be sure that if reload_completed base register will
4852 be properly aligned.
4854 2000-03-21 Richard Henderson <rth@cygnus.com>
4856 * flow.c (delete_block): Fix typo last change.
4858 2000-03-21 Mark Mitchell <mark@codesourcery.com>
4860 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
4861 not COMPLETE_TYPE_P, to check the type of the expression.
4863 2000-03-21 Michael Meissner <meissner@redhat.com>
4865 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
4866 all floating point insns that just tested the macro
4867 TARGET_HAS_XFLOATING_LIBS.
4868 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
4869 used to only use the gprs.
4871 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
4873 * tree.h (COMPLETE_TYPE_P): New macro.
4874 (COMPLETE_OR_VOID_TYPE_P): New macro.
4875 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
4876 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
4877 * c-aux-info.c (gen_type): Use them.
4878 * c-common.c (c_expand_expr_stmt): Likewise.
4879 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
4880 grokdeclarator, grokparms, finish_struct, start_function,
4881 store_parm_decls, combine_parm_decls): Likewise.
4882 * c-parse.y (cast_expr): Likewise.
4883 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
4884 c_size_in_bytes, c_alignof, build_component_ref,
4885 build_indirect_ref, build_array_ref, convert_arguments,
4886 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
4887 * calls.c (initialize_argument_information): Likewise.
4888 * convert.c (convert_to_integer): Likewise.
4889 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
4890 * dwarfout.c (location_or_const_value_attribute,
4891 output_enumeration_type_die, output_structure_type_die,
4892 output_union_type_die, output_type): Likewise.
4893 * expr.c (safe_from_p, expand_expr): Likewise.
4894 * function.c (assign_parms): Likewise.
4895 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
4896 * tree.c (build_array_type, build_function_type,
4897 build_method_type, build_offset_type, build_complex_type): Likewise.
4898 * c-parse.c, c-parse.h: Regenerated.
4900 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4902 * config/c4x/rtems.h: Include config/rtems.h.
4904 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
4906 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
4907 decl is a FUNCTION_DECL
4909 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
4911 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
4912 function uses output registers. Don't save RP for leaf functions.
4913 Do save RP even if no epilogue.
4914 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
4915 (CALL_USED_REGISTERS): Unmark in registers.
4916 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
4919 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4921 * config/rs6000/rs6000.md (bunordered): New expander.
4922 (bordered): New expander.
4923 (buneq): New expander.
4924 (bunge): New expander.
4925 (bungt): New expander.
4926 (bunle): New expander.
4927 (bunlt): New expander.
4928 (bltgt): New expander.
4930 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
4931 (ccr_bit_negated_p): New function.
4932 (print_operand): For %C, generate appropriate cror for UNEQ,
4933 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
4935 2000-03-20 Andreas Jaeger <aj@suse.de>
4937 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
4940 * tree.h (safe_for_unsave): Prototype.
4942 2000-03-20 Richard Henderson <rth@cygnus.com>
4944 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
4945 (combine_stack_adjustments_for_block): Don't allow sp references
4946 in the side of a set we're not fixing up.
4947 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
4948 after life_analysis.
4950 2000-03-20 Richard Henderson <rth@cygnus.com>
4952 * calls.c (expand_call): Don't bother generating tail call
4953 sequences if there are pending cleanups. Use
4954 expand_start_target_temps/expand_end_target_temps to elide
4955 cleanups created during sibcall expansion.
4957 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4959 * configure.in: Set $IFS to a value if it doesn't already have one
4960 in the --enable-checking handling.
4961 * configure: Regenerate.
4963 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4965 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
4966 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4969 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
4971 * jump.c (delete_noop_moves): Remove code attempting to
4972 combine stack adjustments.
4974 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4976 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
4977 * except.c (emit_cleanup_handler): Use them.
4978 (expand_end_all_catch): Likewise.
4979 * function.c (fixup_var_refs): Likewise.
4980 (expand_function_end): Clear catch_clauses_last.
4981 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
4982 * except.h (struct eh_status): New field x_catch_clauses_last.
4983 (catch_clauses_last): New define.
4985 * Makefile.in (tree.o): Depend on HASHTAB_H.
4986 * tree.c: Include hashtab.h.
4987 (struct type_hash): Remove next field.
4988 (TYPE_HASH_SIZE): Remove.
4989 (TYPE_HASH_INITIAL_SIZE): New define.
4990 (type_hash_table): Change type to htab_t.
4991 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
4992 mark_hash_entry): New functions.
4993 (init_obstacks): Allocate type hash.
4994 (type_hash_lookup): Use htab functions.
4995 (type_hash_add, mark_type_hash): Likewise.
4996 (dump_tree_statistics): Call print_type_hash_statistics.
4998 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5000 * rs6000/t-aix41: New file.
5002 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
5004 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
5006 * tm.texi (Driver): Fix typos and tweak entry for
5008 Move misplaced STRUCT_FORCE_BLK entry ...
5009 (Storage Layout): ... to here.
5010 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
5012 2000-03-19 Richard Henderson <rth@cygnus.com>
5014 * flow.c (delete_block): Delete the addr_vec along with the block.
5015 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
5018 * fold-const.c (extract_muldiv): Apply type check for defined
5019 overflow to multiply as well as divide.
5021 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
5023 2000-03-18 Mark Mitchell <mark@codesourcery.com>
5025 * emit-rtl.c (remove_unncessary_notes): Check that all
5026 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
5027 associated NOTE_BLOCK.
5028 * function.h (identify_blocks): Update comments.
5029 (reorder_blocks): Declare.
5030 * function.c (identify_blocks): Don't take paramters.
5031 (reorder_blocks): Don't take parameters.
5032 * loop.h (find_loop_tree_blocks): Remove.
5033 (unroll_block_trees): Likewise.
5034 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
5035 reorder_blocks instead of unroll_block_trees.h
5036 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
5037 * stmt.c (find_loop_tree_blocks): Remove.
5038 (unroll_block_trees): Likewise.
5039 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
5040 in whole-function mode.
5041 * tree.h (reorder_blocks): Remove declaration.
5043 * expr.c: Include intl.h.
5044 * Makefile.in (expr.o): Depend on intl.h.
5046 2000-03-18 Richard Henderson <rth@cygnus.com>
5048 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
5050 2000-03-18 Mark Mitchell <mark@codesourcery.com>
5052 * tree.h (tree_index): Remove enumerals for integer types.
5053 (integer_type_kind): New type.
5054 (integer_types): New variable.
5055 (char_type_node): Adjust.
5056 (signed_char_type_node): Likewise.
5057 (unsigned_char_type_node): Likewise.
5058 (short_integer_type_node): Likewise.
5059 (short_unsigned_type_node): Likewise.
5060 (integer_type_node): Likewise.
5061 (unsigned_type_node): Likewise.
5062 (long_integer_type_node): Likewise.
5063 (long_unsigned_type_node): Likewise.
5064 (long_long_integer_type_node): Likewise.
5065 (long_long_unsigned_type_node): Likewise.
5066 * tree.c (integer_types): New variable.
5067 (init_obstacks): Register it as a root.
5069 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
5071 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
5072 NEXT_INSN. Update last insn in chain.
5074 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
5076 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
5077 with TYPE_DECL_SUPPRESS_DEBUG set.
5079 2000-03-18 Richard Henderson <rth@cygnus.com>
5081 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
5083 2000-03-18 Richard Henderson <rth@cygnus.com>
5085 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
5086 care for HALF_PIC_P.
5087 (expander_call_insn_operand): Remove.
5088 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
5089 * i386.h (PREDICATE_CODES): Update.
5090 * i386.md (all call expanders): Remove predicates, remove special
5091 handling for half-pic.
5092 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
5093 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
5094 (sibcall_epilogue): New.
5096 2000-03-17 Richard Henderson <rth@cygnus.com>
5098 * rtlanal.c (single_set): Reject if the parallel has anything
5099 except SET or USE or CLOBBER.
5101 2000-03-17 Jeff Law <law@cygnus.com>
5102 Richard Henderson <rth@cygnus.com>
5104 * Makefile.in (OBJS): Add sibcall.o.
5106 * sibcall.c: New file.
5107 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
5108 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
5109 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
5110 Emit sibcall patterns when requested. Update all callers.
5111 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
5112 elimination seems feasable.
5113 * final.c (leaf_function_p): Sibling calls don't discount being
5115 * flow.c (HAVE_sibcall_epilogue): Provide default.
5116 (find_basic_blocks_1): Sibling calls don't throw.
5117 (make_edges): Make edge from sibling call to EXIT.
5118 (propagate_block): Don't remove sibcall_epilogue insns.
5119 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
5120 (sibcall_epilogue): New.
5121 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
5122 (identify_blocks_1): Likewise. Break out from ...
5123 (identify_blocks): ... here.
5124 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
5125 (reorder_blocks): ... here.
5126 (init_function_for_compilation): Zap prologue/epilogue as varrays.
5127 (record_insns): Extend a varray instead of mallocing new memory.
5128 (contains): Read a varray not array of ints.
5129 (sibcall_epilogue_contains): New.
5130 (thread_prologue_and_epilogue_insns): Emit and record
5131 sibcall_epilogue patterns.
5132 (init_function_once): Allocate prologue/epilogue varrays.
5133 * genflags.c (gen_insn): Treat sibcall patterns as calls.
5134 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
5136 (save_for_inline_nocopy): ... here.
5137 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
5139 (expand_inline_function): ... here.
5140 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
5141 (subst_constants): Handle 'n' formats.
5142 * jump.c (jump_optimize_minimal): New.
5143 (jump_optimize_1): New arg `minimal'; update callers. Elide most
5144 optimizations if it's set.
5145 * rtl.c (copy_rtx): Do copy jump & call for insns.
5146 * rtl.h (struct rtx_def): Document use of jump and call for insns.
5147 (SIBLING_CALL_P): New.
5148 (sibcall_use_t): New.
5149 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
5150 Invoke optimize_sibling_and_tail_recursive_calls.
5151 * tree.c (lang_safe_for_unsave): New.
5152 (safe_for_unsave): New.
5153 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
5155 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
5156 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
5157 (*sibcall_osf_1, *sibcall_value_osf_1): New.
5159 2000-03-17 Mark Mitchell <mark@codesourcery.com>
5161 * objc/objc-act.c (encode_method_prototype): Pass types, not
5162 PARM_DECLs, to int_size_in_bytes.
5164 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
5166 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
5168 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
5169 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
5171 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5173 * Clean up usages of TREE_INT_CST_LOW.
5174 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
5175 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
5177 * c-tree.h (min_precision): Move declaration to here.
5178 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
5179 (build_unary_op, add_pending_init): Use bit_position.
5180 (pending_init_member, process_init_element): Likewise.
5181 (really_start_incremental_init, push_init_level, pop_init_level):
5182 Don't make copies of nodes or modify them in place, use consistent
5183 types when tracking positions, and use tree routines computations.
5184 (set_init_index, output_init_element): Likewise.
5185 (output_pending_init_elements, process_init_element): Likewise.
5186 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
5187 tree_low_cst and int_bit_position; also minor cleanup.
5188 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
5189 (print_cst_octal): Precision is unsigned.
5190 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
5191 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
5192 (simple_type_align_in_bits): Result is unsigned int.
5193 Use tree_int_low_cst and host_integerp.
5194 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
5195 (field_byte_offset): Result is HOST_WIDE_INT.
5196 Change types of internal variables so alignments are unsigned int,
5197 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
5198 Use host_integerp, tree_low_cst, and int_bit_position.
5199 (add_bit_offset_attribute): Likewise.
5200 (add_data_member_location_attribute): Use tree_cst_low.
5201 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
5202 (add_bit_size_attribute): Use tree_low_cst.
5203 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
5204 * dwarfout.c: Similar changes to dwarf2out.c.
5205 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
5206 * genoutput.c (n_occurences): Return -1 for null string.
5207 (strip_whitespace): Accept null string and make into function.
5208 (scan_operands): Reflect above changes.
5209 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
5210 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
5211 * ssa.c (rename_registers): Add missing cast of arg to bzero.
5212 * tree.c (int_size_in_bytes): Check for too big to represent.
5213 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
5214 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
5216 (min_precision): Delete from here.
5217 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
5218 and int_bit_position.
5219 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
5220 (encode_method_def): Likewise.
5221 (build_ivar_list_initializer): Use int_bit_position.
5222 (generate_shared_structures): Convert size.
5223 (encode_type, encode_complete_bitfield): Use integer_zerop.
5224 (encode_bitfield): Use tree_low_cst and int_bit_position.
5226 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5228 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
5230 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5232 * call.c (special_function_p): It is only malloc if it returns
5235 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5237 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
5238 (C33_FLAG, TARGET_C3X): Add macros.
5239 (TARGET_SWITCHES): Add -m33 option.
5240 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
5242 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5244 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
5245 (PARALLEL_PACK_FLAG): Delete.
5246 (TARGET_SWITCHES): Update.
5247 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
5249 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5251 * fold-const.c (fold): Fix a few cases when the returned result
5252 is not of the same type as the input.
5254 2000-03-16 Nick Clifton <nickc@cygnus.com>
5256 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
5259 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5261 * libgcc2.h: Move prototypes above macros with the same name.
5262 Wrap some function prototypes in the conditional which indicates
5263 whether they are supported, i.e. "BITS_PER_UNIT == 8".
5265 2000-03-16 Richard Henderson <rth@cygnus.com>
5267 * calls.c: Revert last two changes.
5269 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
5271 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
5272 has exponent 0 is a zero.
5274 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
5275 HASH may already be nonzero. Add code/mode into hash value
5276 immediately after repeat label.
5277 (cselib_lookup): Don't leave the hash table in an inconsistent
5278 state before a hash lookup operation.
5280 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
5282 * i386.md (all HI and QI mode non-move patterns): Conditionize
5283 by TARGET_[HQ]IMODE_MATH.
5284 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
5285 x86_promote_qi_regs): Declare.
5286 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
5287 TARGET_PROMOTE_QI_REGS): New macros.
5288 (PROMOTE_MODE): New macro.
5289 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
5290 x86_promote_qi_regs): New global variables.
5292 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
5294 * calls.c (emit_library_call_value_1): Break out from ...; handle
5295 VOIDmode function calls too.
5296 (emit_library_call_value): ... here.
5297 (emit_library_call): Implement by calling emit_library_call_value_1.
5299 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
5301 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
5302 Update arg_space_so_far on stack adjustments.
5303 (emit_library_call, emit_library_call_value): Likewise; take into
5304 account arg_space_so_far and pending_stack_adjust when calculcating
5307 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
5309 * flow.c: Move all basic block reordering code into its own file.
5310 (create_basic_block): Externalize.
5311 * bb-reorder.c: New file. Copy all basic block reordering code from
5312 flow.c to this file.
5313 (reorder_basic_blocks): Fix fencepost error in for-loop.
5314 (reorder_basic_blocks): Remove braces from single statement for-loops.
5315 * basic-block.h: Add declaration for create_basic_block.
5316 * Makefile.in: Add rules for bb-reorder.o.
5318 2000-03-16 Neil Booth <NeilB@earthling.net>
5320 * cppinit.c (handle_option): Implement #unassert directive
5321 as -A- command line option.
5322 (print_help): Update.
5323 * cpptexi.c: Update.
5325 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
5327 * md.texi (Standard Names): Document `jump'.
5329 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5331 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
5334 2000-03-15 Geoff Keating <geoffk@cygnus.com>
5336 Merge changes from newppc-branch onto trunk.
5338 2000-03-15 Geoff Keating <geoffk@cygnus.com>
5340 * rs6000.c (toc_hash_table): Update for new hash table functions.
5341 (toc_hash_function): Likewise.
5342 (toc_hash_eq): Likewise.
5343 (toc_hash_mark_entry): Likewise.
5344 (toc_hash_mark_table): Likewise.
5345 (output_toc): Likewise.
5346 (rs6000_add_gc_roots): Likewise.
5348 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5350 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
5351 (AR_FLAGS_FOR_TARGET): here. New macro.
5353 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
5355 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
5356 fpmem_operand) Delete.
5358 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
5359 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
5360 (rs6000_save_machine_status, rs6000_restore_machine_status,
5361 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
5362 references to above variables.
5363 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
5364 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
5365 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
5366 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
5367 (XER_REGNO_P, XER_REGNO): New.
5368 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
5369 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
5370 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
5372 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5373 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
5374 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
5376 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5378 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
5379 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
5380 * rs6000.h: from here.
5382 * rs6000-protos.h (rs6000_select_section): Provide prototype.
5383 (rs6000_select_rtx_section): Likewise.
5384 (rs6000_encode_section_info): Likewise.
5385 (sdata_section): Likewise.
5386 (sdata2_section): Likewise.
5387 (sbss_section): Likewise.
5388 * sysv4.h (rs6000_select_section): Delete prototype.
5389 (rs6000_select_rtx_section): Likewise.
5390 (rs6000_encode_section_info): Likewise.
5391 (sdata_section): Likewise.
5392 (sdata2_section): Likewise.
5393 (sbss_section): Likewise.
5394 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
5396 * sysv4.h: Delete various unnecessary #undef's and put a comment
5397 on the remaining ones.
5398 Change various comments according to coding standard.
5400 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
5402 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
5403 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
5404 (CR0_REGNO_P) Remove.
5405 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
5406 setup_incoming_varargs, mtcrf_operation, print_operand,
5407 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
5408 Use the above macros.
5410 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
5412 * config/rs6000/rs6000.md: Added a new alternative for each
5413 pattern that had a 'x' alternative but no 'y' alternative.
5414 Added a new split for each of the above patterns.
5416 2000-02-18 Geoff Keating <geoffk@cygnus.com>
5418 * aix41.h (ASM_CPU_SPEC): Delete.
5419 (CPP_CPU_SPEC): Delete.
5421 * aix.h (RS6000_OUTPUT_BASENAME): Define.
5422 (ASM_OUTPUT_LABEL): Define.
5423 (ASM_GLOBALIZE_LABEL): Define.
5424 (STRIP_NAME_ENCODING): Define.
5425 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
5426 (STRIP_NAME_ENCODING): Don't define.
5427 (ASM_OUTPUT_LABEL): Don't define.
5428 (ASM_GLOBALIZE_LABEL): Don't define.
5429 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
5430 names, and ASM_OUTPUT_LABEL to output labels, rather than
5432 (ASM_OUTPUT_LABEL): Define.
5433 (ASM_OUTPUT_INT): Use assemble_name.
5434 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
5435 (STRIP_NAME_ENCODING): Don't undefine first.
5436 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
5438 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
5439 specified with 'asm' even with -fleading-underscore.
5440 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
5441 (output_epilog): Likewise.
5442 (output_toc): Likewise.
5443 * tramp.asm: Handle -fleading-underscore correctly.
5445 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
5447 (nonlocal_goto_receiver): Delete.
5448 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
5450 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
5451 (SET_ASM_OP): Define.
5452 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
5454 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
5457 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
5458 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
5460 * rs6000.h: Add 'u' to more constants.
5462 2000-02-18 David Edelsohn <edelsohn@gnu.org>
5464 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
5466 2000-02-15 David Edelsohn <edelsohn@gnu.org>
5468 * rs6000.c (reg_or_u_cint_operand): New function.
5469 (logical_operand): Handle 64-bit hosts.
5470 (logical_u_operand): New function.
5471 (non_logical_cint_operand): Handle 64-bit hosts.
5472 (non_logical_u_cint_operand): New function.
5473 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
5474 (PREDICATE_CODES): Define new functions.
5475 * rs6000-protos.h: Declare new functions.
5476 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
5477 (movdi_64): Bracket code intended for 64-bit hosts. Create
5478 CONST_DOUBLE for 32-bit values.
5479 (scc insns): Generate DImode compares.
5480 (mfcr insns): Create DImode versions.
5481 (sge matchers): New patterns.
5483 2000-02-15 Gabriel Paubert <paubert@iram.es>
5485 * rs6000.md: Correct instructions length attributes and
5486 constraints on unsigned compare instructions.
5487 (*ne0): Disable for PowerPC64.
5489 2000-02-11 Geoff Keating <geoffk@cygnus.com>
5491 * rs6000.c (output_function_profiler): Use .long for a 32-bit
5492 quantity, fix profile1.C test failure under -fPIC.
5494 * rs6000.c: Add 'u' to many constants to suppress warnings.
5495 (constant_pool_expr_1): Make static.
5496 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
5497 * rs6000.h: Add 'u' to many constants to suppress warnings.
5499 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
5500 for the start of the TOC, instead of LCTOC..0.
5501 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
5503 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
5504 (load_toc_aix_di): Use LCTOC..1.
5506 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
5507 * rs6000.c (rs6000_legitimize_address): New function from
5508 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
5509 symbols in the constant pool that really are TOC references.
5510 (print_operand_address): For ELF, write TOC offsets under
5511 -fPIC as subtractions in the insn.
5512 (output_toc): For ELF, define symbols in TOC as normal labels,
5514 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
5515 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
5516 (create_TOC_reference): Prototype only when RTX_CODE is defined.
5517 * rs6000.md (movsi): Only use create_TOC_reference on
5518 symbols in the constant pool that really are TOC references.
5520 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
5521 * rs6000.c (rs6000_reorg): Delete.
5522 * rs6000-protos.h (rs6000_reorg): Delete.
5524 2000-02-09 Geoff Keating <geoffk@cygnus.com>
5526 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
5528 * aix.h (SETUP_FRAME_ADDRESSES): Define.
5529 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
5530 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
5531 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
5532 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
5533 rs6000_aix_emit_builtin_unwind_init.
5534 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
5535 rs6000_emit_eh_toc_restore on AIX.
5536 (return_eh_si): Use r2.
5537 (return_eh_di): Use r2.
5539 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
5540 since we're breaking binary compatibility anyway.
5542 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
5544 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
5545 constant_pool_expr_p): Declare them.
5546 (constant_pool_expr_p): Declare it.
5547 * config/rs6000/rs6000.c (toc_label_name): Define.
5548 (rs6000_override_options): Set toc_label_name.
5549 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
5550 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
5551 uses_TOC): New functions.
5552 (print_operand): Delete old '*' case.
5553 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
5554 and strip off rtl for TOC before calling output_addr_const.
5555 (rs6000_emit_load_toc_table): Use toc_label_name.
5556 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
5558 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
5559 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
5560 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
5561 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
5562 into explicit TOC_REGISTER offsets.
5563 (TOC_REGISTER): New macro.
5564 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
5565 TARGET_TOC to reference TOC_REGISTER.
5566 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
5567 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
5568 uses_TOC before emitting label references.
5570 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5572 * rs6000.md (stack_tie): Fix warning.
5574 * eabi-ctors.c: Use 'asm' names for the start/end variables,
5575 to handle -fleading-underscore.
5576 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
5577 (USER_LABEL_PREFIX): New macro.
5578 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
5579 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
5580 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
5581 call-linux can use the same multilibs.
5582 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
5583 and call-linux multilibs. Do multilib with -fleading-underscore.
5584 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
5585 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
5588 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
5589 have MASK_SOFT_FLOAT set.
5590 (CPP_FLOAT_DEFAULT_SPEC): New macro.
5591 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
5592 CPP_FLOAT_DEFAULT_SPEC.
5594 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
5595 * rs6000.md: Whitespace change.
5596 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
5597 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
5599 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5601 * rs6000.md (eh_epilogue): New expander.
5602 (eh_reg_restore): New expand/split/insn combination.
5603 (return_eh_si): New insn.
5604 (return_eh_di): New insn.
5606 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
5607 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
5608 * eabi-ctors.c (__do_global_ctors): Register this object's
5609 frame. Clean up. Call atexit() after the constructors.
5610 (__do_global_dtors): Deregister this object's frame. Clean up.
5611 Allow for recursive calls to exit().
5612 * rs6000.c (fixuplabelno): New variable.
5613 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
5614 TARGET_RELOCATABLE, it slows down exec() under linux.
5615 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
5617 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
5618 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
5619 (ASM_OUTPUT_DWARF_DELTA2): New macro.
5620 (ASM_OUTPUT_DWARF_DELTA4): New macro.
5621 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
5622 (ASM_OUTPUT_DWARF_ADDR): New macro.
5623 (ASM_OUTPUT_DWARF_DATA4): New macro.
5624 (ASM_OUTPUT_DWARF_DATA2): New macro.
5625 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
5626 (ASM_OUTPUT_DWARF_OFFSET): New macro.
5627 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
5629 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5631 * rs6000.c (rs6000_sr_alias_set): New variable.
5632 (rs6000_override_options): Initialise rs6000_sr_alias_set.
5633 (rs6000_emit_stack_tie): New function.
5634 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
5635 in a way that dwarf2out can understand.
5636 (rs6000_frame_related): New function.
5637 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
5638 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
5639 Use rs6000_emit_stack_tie when needed.
5640 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
5641 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
5642 * rs6000.md (stack_tie): New insn.
5643 (return_internal_si): Allow return value to be in the count
5645 (return_internal_di): Likewise.
5647 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
5649 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5651 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
5653 2000-01-31 Geoff Keating <geoffk@cygnus.com>
5655 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
5657 * rs6000.md (stmw): Use the right POWER opcode.
5660 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5662 * rs6000-protos.h: New file.
5664 * rs6000.c: Include tm_p.h. Fix compile time warnings.
5666 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
5669 * sysv4.h: Likewise.
5671 2000-01-28 Geoff Keating <geoffk@cygnus.com>
5673 * ../../configure.in: Delete powerpcle-*-winnt*
5674 and powerpcle-*-pe|powerpcle-*-cygwin*.
5675 * ../../configure: Regenerated.
5677 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
5678 (TARGET_WINDOWS_NT): Delete.
5680 (CALL_NT_DLLIMPORT): Delete.
5681 Delete NT-specific code.
5682 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
5685 * nt-ci.asm: Delete.
5686 * nt-cn.asm: Delete.
5687 * ntstack.asm: Delete.
5689 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5691 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
5692 (ASM_FILE_START): Likewise.
5693 (ASM_DECLARE_FUNCTION_NAME): Likewise.
5694 (ASM_OUTPUT_LABELREF): Likewise.
5695 (ASM_OUTPUT_SKIP): Likewise.
5696 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
5697 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5698 (ASM_OUTPUT_CASE_LABEL): Likewise.
5699 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
5700 (ASM_OUTPUT_ASCII): Likewise.
5702 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
5704 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
5705 reload_toc_labelno for non-prologue TOC reloads. Also, don't
5706 increment rs6000_pic_labelno here.
5707 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
5708 and increment rs6000_pic_labelno here.
5710 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
5712 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
5713 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
5714 allocation knows (reg) is dead before the insn.
5716 2000-01-21 Geoff Keating <geoffk@cygnus.com>
5718 * rs6000.md (movsi_to_cr): Correct typo in output template.
5720 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5722 * rs6000.c (rs6000_pic_labelno): Always define.
5723 (rs6000_pic_func_labelno): Delete.
5724 (lmw_operation): Check for a zero base register,
5725 which doesn't mean what we want.
5726 (stmw_operation): New function.
5727 (print_operand): Define new 'l' modifier.
5728 (rs6000_stack_info): We must save all 64 bits of the registers
5729 if TARGET_POWERPC64.
5730 (rs6000_output_load_toc_table): Delete.
5731 (rs6000_emit_load_toc_table): New function.
5732 (rs6000_allocate_stack_space): Delete.
5733 (rs6000_emit_allocate_stack): New function.
5734 (rs6000_emit_prologue): New function.
5735 (output_prolog): Use rs6000_emit_prologue.
5736 (rs6000_emit_epilogue): Change a few variable names to be
5737 more accurate. Restore all 64 bits of the registers if
5738 TARGET_POWERPC64. Only restore the FP registers which were used
5739 if they are being saved/restored one-at-a-time.
5740 (output_mi_thunk): Delete inefficient code generation.
5741 (output_function_profiler): Don't use rs6000_output_load_toc_table.
5742 * rs6000.h: Declare rs6000_emit_load_toc_table,
5743 rs6000_allocate_stack_space, stmw_operation. Don't declare
5744 rs6000_output_load_toc_table.
5745 * rs6000.md (elf_high): Allow register 0, but discourage it
5747 (elf_low): Support loading into register 0.
5748 (load_toc_aix_si): New pattern.
5749 (load_toc_aix_di): New pattern.
5750 (load_toc_v4_pic_si): New pattern.
5751 (load_toc_v4_pic_di): New pattern.
5752 (load_toc_v4_PIC_1): New pattern.
5753 (load_toc_v4_PIC_1b): New pattern.
5754 (load_toc_v4_PIC_2): New pattern.
5755 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
5756 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
5757 (prologue): New expander.
5758 (movesi_from_cr): New pattern.
5759 (stmw): New pattern.
5760 (save_fpregs_si): New pattern.
5761 (save_fpregs_di): New pattern.
5763 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5765 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
5770 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5772 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
5774 (movsi_got_internal): Likewise.
5775 (movsi_got_internal+1): Likewise.
5776 (set_sp): 'unspec 7' does a SImode clobber.
5778 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5780 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
5781 allocate a stack temporary.
5782 (floatsidf2_internal): Likewise.
5783 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
5785 (floatunssidf2): Don't use the fpmem "register", just
5786 allocate a stack temporary.
5787 (floatunssidf2_internal): Likewise.
5788 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
5790 (floatsidf2_loadaddr): Delete.
5791 (floatsidf2_store1): Delete.
5792 (floatsidf2_store2): Delete.
5793 (floatsidf2_load): Delete.
5794 (fix_truncdfsi2): Don't use the fpmem "register", just
5795 allocate a stack temporary.
5796 (fix_truncdfsi2_internal_si): Delete.
5797 (fix_truncdfsi2_internal_di): Delete.
5798 (fix_truncdfsi2_internal): New insn.
5799 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
5800 (fix_truncdfsi2_store): Delete.
5801 (fix_truncdfsi2_load): Delete.
5802 (fctiwz): Produce gen_fctiwz.
5804 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5806 * eabi.h (INVOKE__main): Define.
5807 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
5809 (rs6000_emit_prologue): Likewise.
5810 * rs6000.h (struct rs6000_stack): Don't keep track of whether
5811 this is the main program.
5813 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5815 * rs6000.c (rs6000_va_arg): Delete some unused variables.
5817 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5819 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
5820 goes after the argument.
5822 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5824 * rs6000.md: Document 'unspec' values used.
5825 (epilogue): New expander.
5826 (movesi_to_cr_one): New expander.
5827 (movesi_to_cr and following): New pattern.
5829 (return_internal_si): New pattern.
5830 (return_internal_di): New pattern.
5831 (return_and_restore_fpregs_si): New pattern.
5832 (return_and_restore_fpregs_di): New pattern.
5833 * rs6000.h: Declare new functions.
5834 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
5835 rather than rs6000_calls_p.
5836 (rs6000_makes_calls): Delete.
5837 (lmw_operation): New function.
5838 (mtcrf_operation): New function.
5839 (rs6000_emit_epilogue): New function.
5840 (output_epilog): Call rs6000_emit_epilogue and final if
5841 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
5843 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5845 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
5846 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
5847 * aix.h (SUBTARGET_SWITCHES): Document switches.
5848 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
5849 sched-prolog and sched-epilog the same. Document all the
5851 (TARGET_OPTIONS): No longer allow -mdebug-.
5853 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5855 * rs6000.h (ASM_FILE_END): Move to aix.h.
5856 (EXTRA_SECTIONS): Move to aix.h.
5857 (READONLY_DATA_SECTION): Move to aix.h.
5858 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
5859 (SELECT_SECTION): Move to aix.h.
5860 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
5861 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
5862 (LINK_REGISTER_REGNUM): New definition.
5863 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
5864 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
5866 * sysv4.h: Delete the code between the inclusion of rs6000.h
5868 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
5869 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
5870 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
5871 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
5872 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
5873 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
5874 (fix_truncdfsi2_internal_di): New pattern.
5875 (fix_truncdfsi2_store): The second arg here is Pmode too.
5876 (fix_truncdfsi2_load): The second arg here is Pmode too.
5877 (tablejumpdi): Now that switch tables hold only SImode values,
5878 gcc needs to know how to add them to the pc which is DImode.
5879 * rs6000.c (rs6000_stack_info): Use symbolic name for
5880 LINK_REGISTER_REGNUM.
5881 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
5882 (output_toc): Delete unused variables s1 and s2.
5883 (output_ascii): Use fputs not fprintf on a variable string.
5885 2000-01-07 David Edelsohn <edelsohn@gnu.org>
5887 * rs6000.c (processor_target_table): Add power3 as alias for 630.
5888 * aix43.h: Revert Aug 2 change.
5889 (HAS_INIT_SECTION): Define, not visible yet.
5890 (LD_INIT_SWITCH): Define, not visible yet.
5891 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
5893 2000-01-04 Joel Sherrill (joel@OARcorp.com>
5895 * config/rs6000/rtems.h: Include config/rtems.h.
5897 2000-01-04 David Edelsohn <edelsohn@gnu.org>
5899 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
5900 (SLOW_UNALIGNED_ACCESS): Define.
5901 (CASE_VECTOR_MODE): Always use 32-bit offsets.
5902 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
5903 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
5904 (toc_section): Likewise and .toc pseudo-op.
5905 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
5907 (TEXT_SECTION_ASM_OP): Likewise.
5908 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
5911 1999-12-17 Jakub Jelinek <jakub@redhat.com>
5913 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
5914 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
5917 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5919 * rs6000.h: Move more stuff from here...
5921 * sysv4.h: Cleanup accordingly.
5922 * netware.h: Likewise
5924 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5926 * rs6000.h: Continue cleanup.
5929 * netware.h: Likewise.
5931 * sysv4.h: Likewise.
5932 * win-nt.h: Likewise.
5934 * rs6000.h (TARGET_SWITCHES): Add descriptions.
5935 (TARGET_OPTIONS): Likewise.
5937 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
5938 (SUBTARGET_OPTIONS): Likewise.
5940 * rs6000.md: Fix compile time warnings.
5942 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5944 vxworks patches from the Cygnus tree originally by
5945 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
5946 <vmakarov@cygnus.com>.
5947 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
5948 (ENDFILE_SPEC): Likewise.
5949 (LIB_VXWORKS_SPEC): New macro.
5950 (STARTFILE_VXWORKS_SPEC): New macro.
5951 (ENDFILE_VXWORKS_SPEC): New macro.
5952 (LINK_START_VXWORKS_SPEC): New macro.
5953 (LINK_OS_VXWORKS_SPEC): New macro.
5954 (CPP_OS_VXWORKS_SPEC): New macro.
5955 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
5956 * vxppc.h: Rewrite to use proper configuration method.
5957 * vxppcle.h: New file.
5958 * ../../configure.in: Add powerpcle-wrs-vxworks*.
5959 * ../../configure: Rebuilt.
5961 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5963 Lots of changes to rs6000.h, sysv4.h, aix.h,
5964 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
5965 with the aim that rs6000.h is the first header
5966 included and the others override it.
5969 * x-aix41-gld: Remove.
5971 * x-aix41: Remove target-specific switches, and don't specify
5972 -Wl,-bbigtoc as we don't need it any more.
5973 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
5974 Use t-aix43 for AIX 4.3 and above.
5975 * ../../configure: Regenerated.
5977 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
5978 options, that don't do anything yet.
5979 (MASK_SCHED_PROLOG): New macro.
5980 (MASK_SCHED_EPILOG): New macro.
5981 (TARGET_SCHED_PROLOG): New macro.
5982 (TARGET_SCHED_EPILOG): New macro.
5984 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5986 * rs6000.c: Correct comment, the `minimal' TOCs are actually
5987 one per translation unit, not one per function.
5988 (output_toc): Also do duplicate constant elimination
5989 for per-translation-unit TOCs.
5991 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
5992 a comment explaining _exactly_ when this pattern gets used.
5993 (builtin_setjmp_receiver): New pattern for better clarity.
5994 (init_v4_pic): Move it into a section dealing with TOC registers.
5996 1999-12-30 Geoff Keating <geoffk@cygnus.com>
5998 * rs6000.c (toc_hash_table): New variable.
5999 (rs6000_hash_constant): New function.
6000 (toc_hash_function): New function.
6001 (toc_hash_eq): New function.
6002 (toc_hash_mark_entry): New function.
6003 (toc_hash_mark_table): New function.
6004 (output_toc): Don't output duplicate TOC entries in
6006 (rs6000_add_gc_roots): Add the hash table as a GC root.
6007 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
6008 where they clearly shouldn't be. This may need to be fixed
6009 later when there is a GNU ar for AIX.
6010 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
6011 Don't define BOOT_LDFLAGS as it is now not necessary.
6013 1999-12-29 Geoff Keating <geoffk@cygnus.com>
6015 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
6016 for va_list on AIX. Use unsigned_char_type_node rather than
6017 constructing our own version on svr4.
6019 1999-12-17 Geoff Keating <geoffk@cygnus.com>
6021 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
6022 since patently it's not.
6024 1999-12-08 Geoff Keating <geoffk@cygnus.com>
6026 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
6027 define_expand/define_insn pair, and handle restore of the
6028 SVR4 -fpic register.
6030 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
6032 * acconfig.h (HAVE_GAS_WEAK): New define.
6033 * configure.in (assembler weak support): Check for .weak support.
6034 * config.in, configure: Rebuilt.
6035 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
6036 HAVE_GAS_WEAK is defined.
6038 2000-03-15 Nick Clifton <nickc@cygnus.com>
6040 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
6043 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
6045 * cppfiles.c (open_include_file): New function.
6046 (find_include_file, cpp_read_file): Use it.
6048 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
6050 * cpphash.c (dump_hash_helper): Take the slot, not the element.
6052 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
6054 * flow.c (verify_flow_info): Check for unconditional return.
6056 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
6058 * config/ia64/ia64.md (restore_stack_nonlocal): New.
6059 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
6060 (__ia64_restore_stack_nonlocal): New.
6061 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
6063 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6065 * cpphash.c (collect_formal_parameters): Do not complain about
6066 parameter names that just start with `__VA_ARGS__'.
6068 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
6070 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
6071 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
6072 * i386.c (pentiumpro_cost): Set mul cost to 4.
6073 (x86_use_movx): Set for PPro.
6075 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
6077 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
6078 STACK_BOUNDARY for empty frames now.
6080 2000-03-14 Mark Mitchell <mark@codesourcery.com>
6082 * stor-layout.c (layout_union): Remove.
6083 (layout_union_field): New function, split out from layout_union.
6084 (finish_union_layout): Likewise.
6085 (layout_field): Handle unions by calling layout_union_field.
6086 (finish_record_layout): Handle unions.
6087 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
6088 QUAL_UNION_TYPE handling.
6090 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
6092 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
6093 end of basic block is jump_insn, not barrier; use create_basic_block
6094 instead of creating basic block by hand.
6096 2000-03-14 Jason Eckhardt <jle@cygnus.com>
6098 * flow.c (reorder_basic_blocks): Account for barriers when writing
6099 over NEXT_INSN (last_bb->end).
6100 (verify_flow_info): Add check for missing barriers.
6102 2000-03-14 Greg McGary <gkm@gnu.org>
6104 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
6105 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
6106 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
6107 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
6108 __unbounded, __unbounded__): New keywords.
6109 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
6110 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
6111 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
6113 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
6115 * cselib.h: New file.
6116 * alias.c: Include "cselib.h".
6117 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
6118 MEMs as two new arguments.
6119 (get_addr): New static function.
6120 (find_base_term): Handle VALUEs.
6121 (memrefs_conflict_p): Likewise.
6122 (true_dependence): Call get_addr on the addresses.
6123 Call fixed_scalar_and_varying_struct_p with addresses that have been
6124 passed through get_addr and canon_rtx.
6125 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
6126 with true_dependence.
6127 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
6128 * loop.c: Include "cselib.h".
6129 (load_mems): Process extended basic block that enters the loop with
6130 cselib. Use that information to change initialization of the shadow
6131 register so that a constant equivalence is seen by later passes.
6132 * reload1.c: Include "cselib.h".
6133 (reload_cse_invalidate_regno): Delete function.
6134 (reload_cse_mem_conflict_p): Likewise.
6135 (reload_cse_invalidate_mem): Likewise.
6136 (reload_cse_invalidate_rtx): Likewise.
6137 (reload_cse_regno_equal_p): Likewise.
6138 (reload_cse_check_clobber): Likewise.
6139 (reload_cse_record_set): Likewise.
6140 (reg_values): Delete static variable.
6141 (invalidate_regno_rtx): Likewise.
6142 (reload_cse_delete_noop_set): New static function.
6143 (reload_cse_simplify): New static function, broken out of
6145 (reload_cse_noop_set_p): Delete unused argument INSN.
6146 Just call rtx_equal_for_cselib_p on set source and destination.
6147 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
6148 reload_cse_delete_noop_set. Delete code to keep track of values; use
6149 cselib functions instead. Delete code to push/pop obstacks.
6150 (reload_cse_simplify_set): Use cselib to find equivalent values.
6151 Delete code to push/pop obstacks.
6152 (reload_cse_simplify_operands): Likewise.
6153 * rtl.def (VALUE): New rtx code.
6154 * rtl.h (union rtunion_def): New elt rt_cselib.
6155 (X0CSELIB, CSELIB_VAL_PTR): New macros.
6156 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
6157 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
6158 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
6159 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
6160 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
6161 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
6162 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
6163 cselib_record_set, cselib_record_sets): New static functions.
6164 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
6165 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
6166 references_value_p): New functions.
6167 (MAX_USELESS_VALUES, REG_VALUES): New macros.
6168 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
6169 n_useless_values, reg_values, callmem, cselib_obstack,
6170 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
6171 New static variables.
6172 * varray.h (union varray_data_tag): New elt te.
6173 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
6174 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
6177 2000-03-14 Nick Clifton <nickc@cygnus.com>
6179 * gcc.c (do_spec_1): Catch the case where %* is used in a
6180 substitution pattern, but it has not been initialised.
6181 Issue a meaningful error message if an unrecognised operator
6182 is encountered in a spec string.
6184 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
6186 * function.c (prepare_function_start): Correctly initialize
6187 cfun->stack_alignment_needed.
6189 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
6191 * cppfiles.c (find_include_file): Don't assume nshort is a
6194 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
6196 * configure.in (hppa configurations): Add pa32-regs.h to the
6197 list of tm files as appropriate.
6198 * configure: Rebuilt.
6199 * pa.c (compute_frame_size): Remove explicit knowledge about FP
6201 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
6202 (fmpyaddoperands, fmpysuboperands): Likewise.
6203 * pa.h: Remove various definitions which depend on knowing
6204 how registers are numbered.
6205 * pa32-regs.h: New file with PA32 register numbering specific
6208 2000-03-14 Richard Henderson <rth@cygnus.com>
6210 * regmove.c (combine_stack_adjustments): New.
6211 (stack_memref_p, single_set_for_csa): New.
6212 (free_csa_memlist, record_one_stack_memref): New.
6213 (try_apply_stack_adjustment): New.
6214 (combine_stack_adjustments_for_block): New.
6215 * rtl.h (combine_stack_adjustments): Declare.
6216 * toplev.c (rest_of_compilation): Call it.
6218 * i386.md: Revert 2000-01-16 change.
6220 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6222 * gccbug.in: Add web category, gcc specific classes.
6224 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
6226 * stor-layout.c (finalize_record_size): Fix typo.
6228 2000-03-14 Stan Shebs <shebs@apple.com>
6230 * c-typeck.c (c_alignof): Error on incomplete types.
6231 * extend.texi (Alignment): Document this.
6233 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6235 * cppfiles.c: Include mkdeps.h.
6236 (find_include_file, read_include_file): Remove _cpp_ prefix
6237 from name, make static.
6238 (_cpp_execute_include): New function, broken out of
6241 * cpplib.c: Don't include mkdeps.h.
6242 (struct directive): Remove type field. Reorder entries. The
6243 function takes only one argument.
6244 (struct if_stack): Make type field an int.
6245 (directive_table): Rename to dtable. Generate it, the
6246 prototypes of the directive handlers, and the enum for the
6247 directive numbers, from a template macro.
6248 (do_ifndef, do_include_next, do_import): New functions.
6249 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
6250 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
6251 do_ident, do_assert, do_unassert, do_sccs): Take only one
6253 (do_sccs): Define always, but alter behavior based on
6255 (_cpp_handle_directive, consider_directive_while_skipping):
6256 Restructure for new directive table layout.
6258 (pass_thru_directive): Take a directive number, not a pointer
6259 to a struct directive.
6260 (parse_include): New function, broken out of do_include.
6261 (do_include, do_import, do_include_next): Use parse_include
6262 and _cpp_execute_include.
6263 (do_elif, do_else): Test for T_ELSE specifically when checking
6264 for #elif/#else after #else.
6265 (parse_ifdef): New function, broken out of do_ifdef.
6266 (validate_else): Expect a name arg without a leading #.
6267 (if_directive_name): Delete.
6268 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
6269 directive handlers with only one argument.
6271 * cpphash.h: Update prototypes.
6272 (enum node_type): Remove entries for directives.
6273 * Makefile.in: Update dependencies.
6275 * cpphash.c (dump_hash_helper): Only dump nodes of type
6276 T_MACRO. Emit a newline after each definition.
6278 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6280 * gccbug.in: New file.
6281 * configure.in (all_outputs): Add gccbug.
6282 * Makefile.in (install-common): Install gccbug.
6283 (GCCBUG_INSTALL_NAME): New variable.
6284 * configure: Rebuilt.
6286 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
6288 * function.c (put_var_into_stack): Use type_for_mode to calculate
6289 part_type. Use MEM_SET_IN_STRUCT_P.
6290 * expr.c (store_field): Handle CONCAT.
6291 (store_constructor): Use fields_length.
6292 * tree.c (fields_length): New fn.
6293 * tree.h: Declare it.
6295 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6297 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
6298 (cpplex.o): New target.
6299 * po/POTFILES.in: Add cpplex.c.
6301 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
6302 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
6303 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
6304 skip_block_comment, skip_line_comment, skip_comment,
6305 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
6306 _cpp_parse_name, skip_string, parse_string,
6307 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
6308 _cpp_get_directive_token, find_position,
6309 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
6310 (maybe_macroexpand, _cpp_lex_token): New functions.
6312 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
6313 parse_goto_mark): Delete.
6314 (_cpp_handle_eof): New function.
6315 (_cpp_handle_directive): Rename from handle_directive.
6316 (_cpp_output_line_command): Rename from output_line_command.
6317 (do_if, do_elif): Call _cpp_parse_expr directly.
6318 * cppfiles.c (_cpp_read_include_file): Don't call
6319 init_input_buffer here.
6320 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
6321 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
6322 here; pop the token_buffer and skip the rest of the line here.
6323 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
6326 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
6328 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
6329 CPP_GOTO_MARK): New macros.
6330 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
6331 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
6332 _cpp_read_and_prescan, _cpp_init_input_buffer,
6333 _cpp_grow_token_buffer, _cpp_get_directive_token,
6334 _cpp_handle_directive, _cpp_handle_eof,
6335 _cpp_output_line_command): Prototype them here.
6336 * cpplib.h (enum cpp_token): Add CPP_MACRO.
6337 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
6338 quote_string, output_line_command): Remove.
6340 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
6342 * stmt.c (expand_end_case): RANGE may be signed, and when checking
6343 whether it is too large we must also verify that it isn't negative.
6345 2000-03-13 Jakub Jelinek <jakub@redhat.com>
6347 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
6348 (movsi_zero_liveg0): Remove.
6349 (movsf_insn_novis_liveg0): Remove.
6351 (negsi2_not_liveg0): Rename to negsi2.
6352 (one_cmplsi2): Remove.
6353 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
6354 (one_cmplsi2_liveg0): Remove.
6355 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
6356 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
6357 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
6358 (PREDICATE_CODES): Remove zero_operand.
6359 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
6360 TARGET_BROKEN_SAVERESTORE.
6361 (zero_operand): Remove.
6362 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
6363 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
6365 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
6366 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
6367 TARGET_BROKEN_SAVERESTORE): Remove.
6368 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6370 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6372 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6375 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
6377 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6379 * cpplib.c (do_pragma_implementation): Fix off-by-one error
6380 truncating a string. Don't assume tokens are nul terminated.
6381 Problem noted by Andreas Jaeger <aj@suse.de>
6383 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
6385 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
6386 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
6387 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
6389 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
6391 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
6392 STRUCTURE_SIZE_BOUNDARY.
6394 2000-03-13 Mark Mitchell <mark@codesourcery.com>
6396 * tree.h (record_layout_info_s): New structure.
6397 (record_layout_info): New type.
6398 (new_record_layout_info): New function.
6399 (layout_field): Likewise.
6400 (finish_record_layout): Likewise.
6401 * stor-layout.c (layout_record): Remove.
6402 (new_record_layout_info): New function.
6403 (layout_field): New function, broken out from layout_record.
6404 (finalize_record_size): Likewise.
6405 (compute_record_mode): Likewise.
6406 (finalize_type_size): New function, broken out from layout_type.
6407 (finish_record_layout): Likewise.
6408 (layout_type): Use them.
6410 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6412 * cpphash.c: Don't include version.h.
6413 (special_symbol) [case T_VERSION]: Look for the string in
6414 hp->value.cpval; don't use version_string.
6415 * cppinit.c (initialize_builtins): Set hp->value.cpval for
6416 __VERSION__ to version_string.
6417 * Makefile.in (cpphash.o): Update deps.
6419 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6421 Convert cpplib to use libiberty/hashtab.c.
6423 * cpplib.h (struct cpp_reader): Make hashtab and
6424 all_include_files of type 'struct htab *'. Delete HASHSIZE
6425 and ALL_INCLUDE_HASHSIZE macros.
6427 * cpphash.h: Update prototypes.
6428 (struct hashnode): Remove next, prev, and bucket_hdr members.
6429 Make length a size_t. Add hash member.
6430 (struct ihash): Remove next member. Add hash member. Make
6431 name a flexible array member.
6433 * cppfiles.c: Include hashtab.h.
6434 (include_hash): Delete.
6435 (IHASHSIZE): New macro.
6436 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
6437 (cpp_included): Do the hash lookup here.
6438 (_cpp_find_include_file): Rewrite.
6439 (cpp_read_file): Put the "fake" hash entry into the hash
6440 table. Honor the control_macro, if it turns out we've seen
6441 the file before. Don't push the buffer here.
6442 (_cpp_read_include_file): Push the buffer here.
6443 (OMODES): New macro. Use it whenever we call open(2).
6445 * cpphash.c: Include hashtab.h.
6446 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
6447 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
6448 _cpp_lookup_slot): New functions.
6449 (HASHSIZE): new macro.
6450 (hashf, _cpp_install, _cpp_delete_macro): Delete.
6451 (_cpp_lookup): Use hashtab.h routines.
6453 * cppinit.c: Include hashtab.h.
6454 (cpp_reader_init): Call _cpp_init_macro_hash and
6455 _cpp_init_include_hash. Don't allocate hashtab directly.
6456 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
6457 pfile->all_include_files.
6458 (initialize_builtins): Use _cpp_make_hashnode and
6459 htab_find_slot to add hash entries.
6460 (cpp_finish): Just call _cpp_dump_macro_hash.
6461 * cpplib.c: Include hashtab.h.
6462 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
6463 create hash entries.
6464 (do_pragma_poison, do_assert): Likewise.
6465 (do_include): Don't push the buffer here. Don't increment
6466 system_include_depth unless _cpp_read_include_file succeeds.
6467 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
6469 (do_pragma_implementation): Use alloca to create copy.
6471 * Makefile.in: Update dependencies.
6473 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6475 * cppinit.c (cl_directive_handler): More K&R fixing.
6477 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
6479 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
6481 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
6483 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6485 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
6486 Change from char[] to macros.
6488 2000-03-12 Neil Booth <NeilB@earthling.net>
6490 * cppinit.c (cpp_start_read): Update indirect function
6493 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
6495 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
6498 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
6499 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
6501 2000-03-11 Neil Booth <NeilB@earthling.net>
6503 * cppinit.c (struct pending option): Replace undef with a
6504 pointer to a directive handling routine.
6505 (struct cpp_pending): Replace separate assert_ and define_
6506 lists with one directive_ list.
6507 (new_pending_define): Rename new_pending_directive. Extra
6508 argument is the directive's handling routine.
6509 (handle_option): Update to use new_pending_directive.
6511 2000-03-11 Neil Booth <NeilB@earthling.net>
6513 * cppfiles.c (file_cleanup, _cpp_find_include_file,
6514 remap_filename, _cpp_read_include_file, actual_directory,
6515 hack_vms_include_specification): Replace bcopy(), index() etc
6516 calls. Add casts to some allocations. Make some variables
6517 pointers to const [unsigned] char.
6518 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
6519 collect_formal_parameters): Similarly.
6520 * cppinit.c (struct pending_option, append_include_chain,
6521 cpp_options_init, cpp_reader_init, initialize_standard_includes,
6522 cpp_start_read, new_pending_define, handle_option): Similarly.
6523 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
6524 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
6525 do_pragma_implementation, detect_if_not_defined,
6526 do_ifdef, skip_if_group, cpp_get_token, parse_string,
6527 do_assert, do_unassert): Similarly.
6528 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
6529 function prototypes.
6530 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
6532 2000-03-10 Richard Henderson <rth@cygnus.com>
6534 * builtins.c (expand_builtin_strlen): Revert last change.
6535 Use emit_insn_before if we're at the beginning of a sequence.
6537 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
6539 * builtins.c (expand_builtin_strlen): Make sure that we have something
6540 at the beginning of the sequence.
6542 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
6545 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
6547 2000-03-10 Richard Henderson <rth@cygnus.com>
6549 * except.c (can_throw): Use INTVAL on a CONST_INT.
6550 (reachable_handlers): Likewise.
6551 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
6553 2000-03-10 Andreas Jaeger <aj@suse.de>
6555 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
6556 MD_STARTFILE_PREFIX since those are not needed on linux.
6557 (ASM_FILE_START): New, from mips/gnu.h.
6559 2000-03-09 Richard Henderson <rth@cygnus.com>
6560 Alex Samuel <samuel@codesourcery.com> and others
6562 * Makefile.in (ssa.o): New rule.
6564 (STAGESTUFF): Add *.ssa and *.ussa.
6565 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
6566 * rtl.def (PHI): New RTL expression.
6567 * rtl.h (clear_log_links): New declaration.
6568 (convert_to_ssa): Likewise.
6569 (convert_from_ssa): Likewise.
6570 * flow.c (split_edge): If the entry node falls through to the
6571 split edge's source block, split the entry edge.
6572 (clear_log_links): New function.
6573 * toplev.c (ssa_dump): New variable.
6574 (flag_ssa): Likewise.
6575 (f_options): Add "ssa".
6576 (compile_file): Create SSA dump files.
6577 (rest_of_compilation): Go to and from SSA if enabled.
6578 (decide_d_option): Handle -de for SSA dump files.
6581 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
6583 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
6586 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
6588 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
6590 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
6592 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
6593 (MD_STARTFILE_PREFIX_1): New macro.
6595 2000-03-09 Robert Lipe <robertl@sco.com>
6597 * config/ia64/ia64.c: Include system.h.
6599 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6601 * except.c (nothrow_function_p): If -fno-exceptions, just return.
6602 (init_eh_nesting_info): Likewise.
6604 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
6605 (TREE_NOTHROW): Rename from TREE_RAISES.
6606 * toplev.c (rest_of_compilation): Set it.
6607 * print-tree.c (print_node): Adjust.
6608 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
6609 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
6610 * calls.c (emit_call_1): Add 'nothrow' parm. Add
6611 REG_EH_REGION note as appropriate.
6612 (libfunc_nothrow): New fn.
6613 (emit_library_call, emit_library_call_value): Use it.
6614 (expand_call): Check TREE_NOTHROW.
6616 * varasm.c (make_decl_rtl): Skip initial '*' when setting
6617 DECL_ASSEMBLER_NAME.
6619 2000-03-09 Andreas Jaeger <aj@suse.de>
6621 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
6622 (TARGET_MEM_FUNCTIONS): Define.
6624 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6626 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
6628 * except.c (can_throw): See through a SEQUENCE.
6629 (nothrow_function_p): New fn.
6630 * except.h: Declare it.
6631 * function.c (current_function_nothrow): New var.
6632 (prepare_function_start): Initialize it.
6633 * output.h: Declare it.
6634 * toplev.c (rest_of_compilation): Set it.
6635 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
6637 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
6639 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
6640 match. (cpp_compare_defs): Count the nul separator when
6641 advancing over argument names.
6643 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
6645 * recog.c (preprocess_constraints): Matching constraints affect
6646 same alternative/different operand, not same operand/different
6649 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
6650 register and a constant specially.
6652 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6654 * libgcc2.h: New file.
6655 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
6657 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
6659 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
6660 * configure: Regenerate.
6663 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6665 * Makefile.in (LIBCPP_DEPS): New macro.
6666 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
6668 * cpperror.c: Include cpphash.h.
6669 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
6671 (lex): Don't use CPP_WARN_UNDEF.
6672 (_cpp_parse_expr): Return an int, the truth value.
6673 * cppfiles.c: Include cpphash.h.
6674 (_cpp_merge_include_chains): Move to cppinit.c and make static.
6675 * cppinit.c (include_defaults_array): Disentangle.
6676 (cpp_cleanup): Don't free the if stack here.
6677 (cpp_finish): Pop off all buffers, not just one.
6678 * cpplib.c (eval_if_expr): Return int.
6679 (do_xifdef): Rename do_ifdef.
6680 (handle_directive): Don't use CPP_PREPROCESSED.
6681 (cpp_get_token): Don't use CPP_C89.
6682 * fix-header.c: Don't use CPP_OPTIONS.
6684 * cpplib.h: Move U_CHAR, enum node_type, struct
6685 file_name_list, struct ihash, is_idchar, is_idstart,
6686 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
6687 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
6688 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
6689 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
6690 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
6691 of _cpp_simplify_pathname, _cpp_find_include_file,
6692 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
6693 Move struct if_stack to cpplib.c. Move struct cpp_pending to
6695 Change all uses of U_CHAR to be unsigned char instead.
6696 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
6698 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6700 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
6701 (dwarf2out_begin_prologue): Set it.
6702 (output_call_frame_info): Don't emit EH unwind info for leaves.
6704 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
6705 can occur outside of an EH region.
6706 * except.c: Correct comments about rethrow behavior.
6707 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
6709 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
6711 * flow.c (make_edges): Always call make_eh_edge for calls.
6713 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6715 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
6716 (struct cpp_buffer): Remove fname and underflow fields.
6717 (struct cpp_reader): Remove get_token field.
6718 (struct include_hash): Rename to struct ihash. Add typedef to
6720 (struct if_stack): Remove fname field.
6721 (IF_STACK_FRAME): Rename to IF_STACK.
6723 * cpperror.c (print_containing_files): Trust that there are no
6724 macro buffers below the top file buffer.
6725 * cppfiles.c: Replace all references to 'struct include_hash'
6726 with 'IHASH'. Rename initialize_input_buffer to
6727 init_input_buffer. Don't set or reference cpp_buffer->fname,
6728 use buffer->ihash->name instead.
6729 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
6730 not CPP_NULL_BUFFER.
6731 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
6732 IF_STACK_FRAME, IHASH not struct include_hash.
6733 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
6734 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
6735 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
6736 references to cpp_buffer->fname (delete entirely, or use
6737 ->ihash->name instead) and IF_STACK->fname.
6738 (cpp_push_buffer): Don't set new->underflow.
6739 (do_include): Use cpp_file_buffer.
6741 * cpphash.c (collect_formal_parameters): Remove duplicate
6742 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
6743 used as a macro argument name. Don't append "..." to namebuf
6744 for varargs macros. After we're done scanning, go through
6745 namebuf and make it NUL separated, not comma separated.
6746 (_cpp_compare_defs): Remove register tag from variables.
6747 Expect defn->argnames to be NUL separated.
6748 (_cpp_dump_definition): Expect defn->argnames to be NUL
6749 separated and in forward order.
6750 * cpphash.h: Update documentation of argnames field.
6752 2000-03-08 Richard Henderson <rth@cygnus.com>
6754 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
6755 to fail. Don't pre-expand the source operand.
6757 * i386.md (strlensi): Initialize eoschar and align before use.
6759 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6761 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
6762 CONSTRUCTOR element.
6764 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
6766 * mips.c (mips_expand_prologue): If the last
6767 named argument is the vararg marker "va_list", treat it as
6768 an unnamed argument.
6770 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
6772 * dbxout.c (dbxout_parms): When correcting for promoted
6773 big-endian parameters, use the mode of the DECL_RTL rather
6774 than UNITS_PER_WORD.
6776 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
6778 * c-common.h (make_fname_decl): Declare.
6779 * c-common.c (make_fname_decl): Define.
6780 (declare_hidden_char_array): Remove.
6781 (declare_function_name): Use make_fname_decl.
6782 * c-decl.c (c_make_fname_decl): New function.
6783 (init_decl_processing): Set make_fname_decl.
6785 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
6787 * cccp.c (handle_directive): Initialize backslash_newlines_p.
6789 2000-03-07 Philipp Thomas <pthomas@suse.de>
6791 * po/POTFILES.in: Remove cppalloc.c from file list.
6793 2000-03-07 Steve Chamberlain <sac@pobox.com>
6795 * pj.c (pj_expand_prologue): current_function->args_info is
6796 now current_function_args_info.
6798 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
6799 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
6800 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
6802 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6804 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
6805 output as hexadecimal rather than the default octal.
6807 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6809 * cpphash.c (special_symbol): Fix thinko in previous commit.
6811 2000-03-07 Neil Booth <NeilB@earthling.net>
6813 * cppexp.c (struct operation, left_shift, right_shift,
6814 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
6815 "int"s to "unsigned int"s.
6816 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
6818 * cpplib.h: Update for above.
6819 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
6820 returned from allocations.
6822 * cppinit.c (opt_comp, parse_options): New functions.
6823 (handle_option): Use parse_option to parse a single command
6824 line option, that possibly takes an argument.
6825 (cpp_handle_options): Sort the array of command line options on
6826 first invocation (non-ASCII hosts only).
6827 (print_help): Update.
6829 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6831 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
6832 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
6834 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
6836 * cppinit.c (cpp_cleanup): Free imp->nshort also.
6838 * cpperror.c (cpp_print_containing_files,
6839 cpp_print_file_and_line, v_cpp_message): Rename to
6840 print_containing_files, print_file_and_line, and v_message.
6841 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
6842 to _cpp_parse_expr, parse_escape, and lex.
6843 (parse_charconst): Remove broken multibyte support.
6844 * cppfiles.c (include_hash): Make static.
6845 (cpp_included): New function.
6846 (merge_include_chains, find_include_file, finclude,
6847 simplify_pathname): Rename to _cpp_merge_include_chains,
6848 _cpp_find_include_file, _cpp_read_include_file, and
6849 _cpp_simplify_pathname.
6850 * cpphash.c (cpp_lookup, free_definition, delete_macro,
6851 cpp_install, create_definition, macroexpand, compare_defs,
6852 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
6853 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
6854 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
6855 * cppinit.c (cpp_handle_option): Rename to handle_option, make
6857 * cpplib.c: Remove extern prototype of cpp_parse_expr.
6859 * cpphash.h: Update prototypes.
6860 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
6862 2000-03-07 Andrew Haley <aph@cygnus.com>
6864 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
6865 PTRDIFF_TYPE should be based solely on Pmode.
6868 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6870 * rtl.h (rtunion_def): Constify member `rtstr'.
6871 (emit_line_note_after, emit_line_note, emit_line_note_force,
6872 emit_note, decode_asm_operands): Constify.
6874 * cse.c (canon_hash): Likewise.
6876 * dbxout.c (dbxout_block): Likewise.
6878 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
6879 v_warning_for_asm): Likewise.
6881 * dwarfout.c (function_start_label): Likewise.
6883 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
6884 emit_line_note_force): Likewise.
6886 * final.c (last_filename, asm_insn_count, final_scan_insn,
6887 output_source_line): Likewise.
6889 * function.h (struct emit_status): Likewise.
6891 * gcse.c (hash_expr_1): Likewise.
6893 * genattr.c (gen_attr, main): Likewise.
6895 * genattrtab.c (struct function_unit, current_alternative_string,
6896 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
6897 attr_numeral, check_attr_test, check_attr_value,
6898 convert_set_attr_alternative, convert_set_attr,
6899 compute_alternative_mask, simplify_by_exploding, gen_attr,
6900 gen_unit): Likewise.
6902 * genflags.c (gen_insn): Likewise.
6904 * gengenrtl.c (type_from_format): Likewise.
6906 * genopinit.c (gen_insn): Likewise.
6908 * genoutput.c (n_occurrences, process_template, process_template):
6911 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6914 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6917 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
6918 ggc_set_mark, ggc_get_size): Likewise.
6920 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
6922 * optabs.c (init_one_libfunc): Likewise.
6924 * output.h (assemble_start_function): Likewise.
6926 * recog.c (decode_asm_operands): Likewise.
6928 * toplev.c (rest_of_compilation): Likewise.
6930 * tree.h (emit_line_note_after, emit_line_note,
6931 emit_line_note_force): Likewise.
6933 * varasm.c (asm_output_bss, asm_output_aligned_bss,
6934 asm_emit_uninitialised, assemble_start_function,
6935 assemble_variable, const_hash, compare_constant_1,
6936 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
6938 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
6940 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
6942 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
6944 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
6946 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
6947 arm_dllimport_name_p): Likewise.
6949 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
6952 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
6954 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6956 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
6957 arm_mark_dllexport, arm_mark_dllimport,
6958 arm_pe_encode_section_info): Likewise.
6960 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
6961 ASM_FINISH_DECLARE_OBJECT): Likewise.
6963 * arm/thumb.c (thumb_function_prologue): Likewise.
6965 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
6967 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6969 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
6971 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
6973 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
6975 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6977 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
6978 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
6980 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
6982 * i386/i386.c (asm_output_function_prefix): Likewise.
6984 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
6986 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6988 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
6990 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
6991 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
6992 ASM_OUTPUT_SECTION_NAME): Likewise.
6994 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
6996 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
6998 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
7000 * m32r/m32r.c (m32r_encode_section_info): Likewise.
7002 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7004 * mcore/mcore.c (mcore_encode_section_info): Likewise.
7006 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7008 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7010 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7012 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
7014 * mips/mips.md (movdi, movsi): Likewise.
7016 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7018 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7020 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7022 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
7023 ASM_OUTPUT_ASCII): Likewise.
7025 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
7026 output_mi_thunk, output_toc): Likewise.
7028 * rs6000/rs6000.md (movsi): Likewise.
7030 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
7032 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
7034 * v850/v850.c (print_operand, print_operand_address,
7035 v850_encode_data_area): Likewise.
7037 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
7039 * config/mips/mips.md (zero_extendsidi2): Always force operand
7040 one to memory for mips16.
7042 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7044 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
7045 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
7046 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
7047 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
7048 (min_precision): Result is unsigned.
7049 (add_double, neg_double, mul_double): Low word is unsigned.
7050 (lshift_double, rshift_double, lrotate_double): Likewise.
7051 (rrotate_double, div_and_round_double): Likewise.
7052 (tree_floor_log2, compare_tree_int): New functions.
7053 (preserve_rtl_expr_temps): New declaration.
7054 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
7055 (decl_attributes): Use tree_log2 to find alignment.
7056 Check for TREE_INT_CST_HIGH for format args.
7057 (min_precision): Now unsigned.
7058 Use tree_floor_log2.
7059 (truthvalue_conversion): Delete long-disabled code.
7060 * c-decl.c (finish_struct): Clean up tests on field width.
7061 (finish_function): Use compare_tree_int.
7062 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
7063 * c-typeck.c (comptypes): Use tree_int_cst_equal.
7064 (default_conversion, digest_init): Use compare_tree_int.
7065 (build_binary_op): Use integer_all_onesp and compare_tree_int.
7066 Fix type errors in forming masks.
7067 * calls.c (initialize_argument_information): Use compare_tree_int.
7068 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
7069 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
7070 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
7071 (store_field): Use compare_tree_int.
7072 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
7073 (expand_expr, case ARRAY_REF): Use compare_tree_int.
7074 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
7075 (do_store_flag): Use compare_tree_int.
7076 * fold-const.c (encode, decode): Low part is always unsigned.
7077 (force_fit_type, add_double, neg_double, mul_double): Likewise.
7078 (lshift_double, rshift_double, lrotate_double): Likewise.
7079 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
7080 (fold_convert): Use compare_tree_int.
7081 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
7082 (invert_truthvalue, case INTEGER_CST): Likewise.
7083 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
7084 * mkdeps.c (deps_dummy_targets): Make I unsigned.
7085 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
7086 (lshift_double, rshift_double, lrotate_double, rrotate_double):
7088 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
7089 (expand_end_case): Use compare_tree_int.
7090 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
7091 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
7092 (layout_decl): Likewise.
7093 (layout_record, layout_union): Make sizes unsigned.
7094 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
7095 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
7096 * tree.c (struct type_hash): hashcode is unsigned.
7097 (build_type_attribute_variant, type_hash_list): Likewise.
7098 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
7099 (attribute_hash_list, build_array_type, build_method_type): Likewise.
7100 (build_complex_type): Likewise.
7101 (real_value_from_int_cst): Remove unneeded casts.
7102 (integer_all_onesp): Add casts.
7103 (tree_floor_log2, compare_tree_int): New functions.
7104 (build_index_type): Use tree_int_cst_sgn.
7105 * varasm.c (assemble_variable): Use compare_tree_int.
7107 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
7109 * cpphash.c (collect_expansion): Also catch ## at start of macro.
7111 * varasm.c (make_decl_rtl): Don't add a number to members of
7113 (make_function_rtl): Likewise.
7115 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7117 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
7118 patch from 2000-01-28.
7120 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
7122 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
7123 filled with an insn from the jump target.
7125 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7127 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
7128 (c4x_external_ref): Likewise.
7129 * config/c4x/c4x.c (struct name_list): Likewise.
7131 1999-12-16 Ben Collins <bcollins@debian.org>
7133 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
7134 argument to genmultilib.
7135 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
7136 the contents into the multilib.h header.
7137 * gcc.c: Declare multilib_exclusions for the specs file.
7138 (set_multilib_dir): Use it.
7139 (print_multilib_info): Likewise.
7140 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
7141 to pass to genmultilib.
7143 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7145 * builtins.c (built_in_class_names, built_in_names): Constify a
7148 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
7150 (_mcleanup): Ensure value matches format specifier in sprintf.
7152 * cpphash.c (special_symbol): Don't needlessly cast away
7155 * cppinit.c (base_name): Delete unused prototype.
7157 * mkdeps.c (deps_init): Make definition K&R safe.
7159 * tree.h (built_in_class_names, built_in_names): Constify a
7162 2000-03-06 Jakub Jelinek <jakub@redhat.com>
7164 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
7165 floating point instructions for epilogue delay.
7167 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
7168 to gas if it supports .register pseudo.
7170 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
7171 LONG_DOUBLE_TYPE_SIZE if not defined.
7172 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
7173 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
7175 * gengenrtl.c: Likewise.
7176 * print-rtl.c: Likewise.
7178 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
7179 MASK_LONG_DOUBLE_128.
7180 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
7181 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
7182 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
7183 (SUBTARGET_SWITCHES): Define.
7184 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
7185 with -mlong-double-128.
7186 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
7187 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
7188 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
7189 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
7190 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
7191 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
7192 with -mlong-double-128.
7193 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
7194 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
7195 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
7196 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
7197 TARGET_LONG_DOUBLE_128): Define.
7198 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
7199 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
7200 long double on TARGET_ARCH64.
7202 2000-03-06 Mark Mitchell <mark@codesourcery.com>
7204 * function.c (free_temps_for_rtl_expr): Don't free slots
7205 that have been pushed into a higher level.
7208 2000-03-05 Mark Mitchell <mark@codesourcery.com>
7210 2000-03-05 Mark Mitchell <mark@codesourcery.com>
7212 * basic-block.h (ALLOCA_REG_SET): Remove.
7213 (INITIALIZE_REG_SET): New macro.
7214 * flow.c (update_life_info): Use it.
7215 (calculate_global_regs_live): Likewise.
7216 (propagate_block): Likewise.
7217 * global.c (build_insn_chain): Likewise.
7218 * haifa-sched.c (schedule_region): Likewise.
7220 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
7222 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
7223 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
7224 (DWARF_ARANGES_PAD_SIZE): New define.
7225 (output_aranges): Use it to pad the address range header.
7226 (DWARF_ROUND): Fix for non power of 2 rounding.
7228 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
7230 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
7232 2000-03-05 Mark Mitchell <mark@codesourcery.com>
7234 * tree.def (RTL_EXPR): Update documentation.
7235 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
7236 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
7237 * function.c (preserve_rtl_expr_temp): New function.
7238 (preserve_rtl_expr_temps): Likewise.
7239 (preserve_rtl_expr_result): Use it.
7242 2000-03-04 Mark Mitchell <mark@codesourcery.com>
7244 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
7246 * regmove.c (copy_src_to_dest) Do not create src->dest move
7247 for unchanging destination.
7249 2000-03-04 Mark Mitchell <mark@codesourcery.com>
7251 * function.h (struct sequence_stack): Remove rtl_expr.
7252 (struct emit_staus): Likewise.
7253 (seq_rtl_expr): Remove.
7254 * tree.h (free_temps_for_rtl_expr): Don't declare.
7255 (start_sequence_for_rtl_expr): Likewise.
7256 * rtl.h (preserve_rtl_expr_result): Likewise.
7257 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
7258 (start_sequence_for_rtl_expr): Remove.
7259 (push_topmost_sequence): Don't save sequence_rtl_expr.
7260 (pop_topmost_sequence): Remove comment about not restoring it.
7261 (end_sequence): Don't set seq_rtl_expr.
7262 (init_emit): Don't initialize it.
7263 (mark_sequence_stack): Don't mark it.
7264 (mark_emit_status): Likewise.
7265 * except.c (protect_with_terminate): Use
7266 start_sequence_for_rtl_expr, not start_sequence.
7267 * expr.c (expand_expr, case RTL_EXPR): Don't call
7268 preserve_rtl_expr_result or free_temps_for_rtl_expr.
7269 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
7270 (preserve_rtl_expr_result): Remove.
7271 (free_temps_for_rtl_expr): Likewise.
7272 (pop_temp_slots): Likewise.
7273 (mark_temp_slot): Don't mark the rtl_expr.
7274 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
7275 start_sequence_for_rtl_expr.
7277 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
7279 * mkdeps.c, mkdeps.h: New files.
7280 * po/POTFILES.in: Add them.
7281 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
7282 (cpplib.o, cppinit.o): Depend on mkdeps.h.
7283 (mkdeps.o): New target.
7285 * cppfiles.c: Delete deps_output.
7286 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
7287 OBJECT_SUFFIX, and base_name.
7288 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
7290 (initialize_dependency_output): Use deps_init,
7291 deps_add_target, deps_calc_target, and deps_add_dep. Remove
7292 all the unnecessary string bashing.
7293 (cpp_finish): Use deps_write. Remove an unnecessary nesting
7295 * cpplib.c (do_include): Use deps_add_dep.
7296 * cpplib.h (struct cpp_reader): Replace deps_buffer,
7297 deps_allocated_size, deps_size, deps_column members with
7298 single pointer to a struct deps. Delete prototype of
7301 * cppinit.c: Fix thinko in previous patch.
7303 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7305 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
7306 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
7307 (mode_for_size_tree): New function.
7308 (layout_decl, layout_type): Call it and clean up BLKmode checks.
7309 * tree.h (mode_for_size_tree): New declaration.
7311 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
7313 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
7315 * stmt.c (is_body_block): Move...
7316 * dwarfout.c, dwarf2out.c: ...from here.
7317 * tree.h: Declare it.
7318 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
7319 * final.c (final_start_function): Do call remove_unnecessary_notes
7322 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
7324 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
7326 * cpplib.h (_dollar_ok): New macro.
7327 (is_idchar, is_idstart): Use it.
7328 (IStable): Rename to _cpp_IStable. Declare it const if
7329 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
7330 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
7331 is_space): Update for renamed IStable.
7333 * cppinit.c: Delete all references to FAKE_CONST and CAT
7334 macros. Define init_IStable as empty macro if gcc >=2.7 or
7335 C99. Change TABLE() to ISTABLE and hardcode name of table.
7336 (cpp_start_read): Don't change the IStable based on
7339 * cpphash.c (unsafe_chars): Add pfile argument. All callers
7340 changed. Handle '$' for char1 correctly.
7341 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
7343 * cppexp.c (tokentab2): Make const.
7344 (cpp_lex): Make toktab const.
7345 * cppinit.c (include_defaults_array): Make const.
7346 (initialize_standard_includes): Make default_include const.
7348 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7350 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
7351 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
7352 (gen_decl_die): Likewise.
7353 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
7354 (output_decl): Likewise.
7356 * varasm.c (make_function_rtl): If we change the name used in the
7357 rtl, update DECL_ASSEMBLER_NAME accordingly.
7358 (make_decl_rtl): Likewise.
7360 * toplev.c (rest_of_compilation): Tweak formatting.
7362 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
7363 remove_unnecessary_notes.
7364 (debug_ignore_block): New fn.
7365 * toplev.h: Declare it.
7366 * emit-rtl.c (remove_unncessary_notes): Call it.
7367 * dwarf2out.c (dwarf2out_ignore_block): New fn.
7368 * dwarf2out.h: Declare it.
7369 * final.c (final_start_function): Don't call remove_unnecessary_notes
7370 if we did insn scheduling.
7372 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
7374 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
7375 * cpplib.h: Delete SET_CPP_PEDANTIC.
7377 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7379 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
7380 result is a RECORD_TYPE.
7382 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
7384 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
7386 2000-03-03 Richard Henderson <rth@cygnus.com>
7388 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
7389 addition over compliments over shifts.
7391 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7393 * reload1.c (reload_combine_note_use): Handle return register USEs.
7394 REG case: Handle multi-hard-register hard regs.
7396 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7398 * md.texi: Document use of '*' in insn pattern name.
7400 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7402 * calls.c (special_function_p): operator new may not be malloc-like.
7404 * gcse.c (dump_hash_table): Really fix error in last change.
7406 2000-03-02 Denis Chertykov <denisc@overta.ru>
7408 * avr.c (print_operand): Use print_operand_address instead of
7410 * avr/libgcc.S: Cleanup code.
7412 2000-03-02 Richard Henderson <rth@cygnus.com>
7414 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
7416 2000-03-02 Mark Mitchell <mark@codesourcery.com>
7418 * tree.h (TYPE_ALIGN_UNIT): New macro.
7420 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
7422 * i386.c: (constant_call_address_operand): Reject CONST_INT.
7424 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
7426 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
7428 (SET_CPP_PEDANTIC): New macro.
7429 * cpplib.c (do_include): Don't bother checking system_header_p.
7430 (do_warning, do_ident, do_assert, do_unassert): Likewise.
7431 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
7433 * function.h (struct expr_status): Add x_arg_space_so_far.
7434 (arg_space_so_far): New macro.
7435 * expr.c (init_expr): Initialize it.
7436 * calls.c (emit_call_1): Reset it.
7437 (compute_argument_block_size, expand_call): Use it.
7438 (expand_call, store_one_arg): Increment it.
7440 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7442 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
7445 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
7447 * cppfiles.c (cpp_read_file): New function.
7449 * cpphash.c (collect_expansion): Make sure to reset last_token
7450 to NORM when we hit a string. Handle trailing whitespace
7451 properly when the expansion is empty.
7452 (create_definition): Disable line commands while parsing the
7454 (dump_definition): If pfile->lineno == 0, output a line
7455 command ahead of the dump, and add a trailing newline.
7457 * cppinit.c (append_include_chain): Add fifth argument, which
7458 indicates whether or not system headers are C++ aware.
7459 (initialize_standard_includes): New function,
7460 broken out of read_and_prescan. Pass 'cxx_aware' value from
7461 the include_defaults_array on to append_include_chain.
7462 (dump_special_to_buffer): Const-ify char array.
7463 (builtin_array): Don't dump __BASE_FILE__.
7464 (cpp_start_read): Use cpp_read_file. Reorder code for
7465 clarity. Don't output line commands here for -D/-A/-U
7466 switches. Don't call deps_output for files included with
7467 -include or -imacros.
7469 * cpplib.c (do_define): Don't pay any attention to the second
7471 (cpp_expand_to_buffer): Disable line commands while scanning.
7472 (output_line_command): Work in the file buffer.
7473 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
7474 Fix formatting of comments. Prototype cpp_read_file.
7476 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7478 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
7479 reference the language-equivalent of sizetype.
7480 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
7481 * fold-const.c (size_binop, size_diffop): Put back checks.
7482 * gcse.c (dump_hash_table): Fix minor error in last change.
7483 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
7484 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
7487 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
7489 * calls.c (expand_call) Do not attempt to combine stack adjustments
7490 with inhibit_defer_pop set.
7492 2000-03-01 Mark Mitchell <mark@codesourcery.com>
7494 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
7495 the DECL_SIZE for a FIELD_DECL.
7497 2000-03-01 Bruce Korb <bkorb@gnu.org>
7499 * fixinc/inclhack.tpl: remove unused symlinks
7500 * fixinc/README: GCC Maintainer info
7501 * fixinc/inclhack.sh: regen
7502 * fixinc/fixincl.sh: regen
7504 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
7506 * cpphash.c (collect_expansion): Trim trailing white space
7507 from macro definitions, but don't go past the last insertion
7510 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
7512 * i386.md (mulqi3): New pattern.
7514 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
7516 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
7518 (struct cpp_reader): Add parsing_if_directive and
7519 parsing_define_directive flags.
7520 (struct cpp_options): Remove output_conditionals flag.
7521 (check_macro_name): Delete prototype.
7523 * cpphash.h (struct macrodef): Delete.
7524 (struct reflist): Separate from struct definition.
7525 (struct definition): Remove unused fields. Add column number.
7526 (create_definition): Returns a DEFINITION *. Takes a
7527 cpp_reader * and an int.
7529 * cpphash.c (SKIP_WHITE_SPACE): Delete.
7530 (PEEKC): Copy defn from cpplib.c.
7531 (rest_extension, REST_EXTENSION_LENGTH): Delete.
7533 (struct arglist): Simplify.
7534 (collect_expansion): Rewrite. Get tokens by calling
7535 cpp_get_token. Add more error checking.
7536 (collect_formal_parameters): New function, broken out of
7537 create_definition and reworked to use get_directive_token.
7538 (create_definition): All real work is now in collect_expansion
7539 and collect_formal_parameters. do_define handles finding the
7540 macro name. Return a DEFINITION, not a MACRODEF.
7541 (macroexpand): Replace bcopy with memcpy throughout. Replace
7542 character-at-a-time copy loop with memcpy and pointer increments.
7543 (compare-defs): d1->argnames / d2->argnames might be null.
7545 * cpplib.c (copy_rest_of_line): Delete function.
7546 (skip_rest_of_line): Do all the work ourselves.
7547 (skip_string): New function.
7548 (parse_string): Use skip_string.
7549 (get_macro_name): New function.
7550 (check_macro_name): Delete.
7551 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
7552 (cpp_skip_hspace): Use CPP_BUMP_LINE.
7553 (handle_directive): ICE if we're called on a macro buffer.
7554 (do_define): Determine macro name and type (funlike/objlike)
7555 here. Expunge all uses of MACRODEF.
7556 (cpp_push_buffer): Set line_base to NULL.
7557 (do_undef, read_line_number): Don't worry about getting a POP token.
7558 (eval_if_expression): Set/reset parsing_if_directive around
7559 cpp_parse_expr. Don't clear only_seen_white.
7560 (skip_if_group): Remove output_conditionals logic. Use
7562 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
7563 tokens under appropriate conditions.
7564 (cpp_unassert): Call do_unassert not do_assert. Oops.
7566 * cppexp.c (parse_defined): New function, break out of
7568 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
7569 ourselves, with cpp_defined.
7570 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
7572 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
7573 * gcc.dg/strpaste-2.c: New.
7575 2000-02-29 Mark Mitchell <mark@codesourcery.com>
7577 * fold-const.c (size_binop): Don't asert inputs are the same and
7578 have TYPE_IS_SIZETYPE set.
7579 (size_diffop): Likewise.
7581 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
7583 * dwarfout.c (output_block): Output abstract blocks even if they
7584 don't have TREE_ASM_WRITTEN set.
7586 * calls.c (emit_library_call): Check for null REG.
7588 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
7590 * c-decl.c (current_function_decl): Move to toplev.c.
7591 (init_decl_processing): Don't add current_function_decl as a ggc
7593 * dbxout.c (dbxout_symbol): Change return type to int.
7594 (dbxout_symbol_location, dbxout_syms): Likewise.
7595 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
7596 any locals. Use current_function_func_begin_label if set.
7597 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
7598 * dwarf2out.c (dwarf2out_begin_prologue): Set
7599 current_function_func_begin_label.
7600 * final.c (final_start_function): Reset it.
7601 * toplev.c (current_function_decl): Define it here.
7602 (current_function_func_begin_label): New variable.
7603 (main): Add both as ggc roots.
7604 * tree.h (current_function_func_begin_label): Declare.
7606 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7608 * gcse.c: Cleanups throughout: mostly white-space, but also
7609 some minor rearrangement of code.
7611 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
7613 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
7614 returns a PARALLEL. Use emit_group_load and use_group_regs
7616 (emit_library_call_value): Similarly.
7618 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
7619 * pa/quadlib.asm: Remove.
7620 * pa/quadlib.c: New file.
7622 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
7623 * configure: Rebuilt.
7625 2000-02-29 Philip Blundell <pb@futuretv.com>
7627 * config/arm/conix-elf.h: New file.
7628 * configure.in (arm*-*-conix*): New configuration.
7629 * configure: Regenerate.
7631 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
7633 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
7634 don't have TREE_ASM_WRITTEN set.
7636 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7638 * Eliminate DECL_FIELD_SIZE.
7639 * builtins.c (built_in_class_names, built_in_names): New variables.
7640 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
7641 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
7642 DECL_SIZE, not DECL_FIELD_SIZE.
7643 * print-tree.c (print_node): Remove code that prints extra blank
7644 lines in some cases.
7645 Properly handle inline and builtin function cases.
7646 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
7647 * tree.h (built_in_class_named, built_in_names): New declarations.
7648 (union tree_decl): Rename internal unions to u1 and u2 and change
7649 some of their components.
7650 Add new field built_in_class.
7651 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
7652 Reflect above changes.
7653 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
7654 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
7655 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
7656 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
7658 2000-02-28 Dmitri Makarov <dim@windriver.com>
7660 * extend.texi: Document ARM's support for long/short calls.
7662 * invoke.texi: Document ARM's -mlong-calls command line switch.
7664 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
7665 (arm_encode_call_attribute): Add prototype.
7666 (arm_set_default_type_attribute): Add prototype.
7667 (arm_strip_name_encoding): Add prototype.
7669 * config/arm/arm.c (arm_init_cumulative_args): replace
7670 initialisation og 'long_calls' field with initialisation of
7671 'call_cookie' field.
7672 (enum arm_pragma_enum): New enum.
7673 (arm_pragma_long_calls): New static variable.
7674 (arm_process_pragma): Also process "#pragma long_calls_off".
7675 (arm_valid_type_attribute_p): Accept short_call attribute.
7676 (arm_comp_type_attributes): Check long/short call attributes.
7677 (arm_encode_call_attribute): New function: Encode long_call
7678 or short_call attribute in function name.
7679 (arm_set_default_type_attributes): New function: Assign
7680 default attributes to newly defined type.
7681 (current_file_function_operand): New function: Return true if
7682 the symbol is a function which has already been compiled.
7683 (arm_is_longcall_p): New function: Return true if the
7684 indicated function should be called via a long call.
7685 (arm_get_strip_length): New function. Returns number of
7686 prefix characters to be stripped from a function's name.
7687 (arm_strip_name_encoding): New function. Strip prefix characters
7688 from a function's name.
7690 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
7692 (SHORT_CALL_FAG_CHAR): Define.
7693 (LONG_CALL_FAG_CHAR): Define.
7694 (ENCODED_SHORT_CALL_ATTR_P): Define.
7695 (ENCODED_LONG_CALL_ATTR_P): Define.
7696 (ARM_NAME_ENCODING_LENGTHS): Define.
7697 (STRIP_NAME_ENCODING): Define.
7698 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
7699 (ARM_ENCODE_CALL_TYPE): Define.
7700 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
7701 (ARM_DECLARE_FUNCTION_SIZE): Define.
7702 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
7704 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
7705 if a long call is needed.
7706 (call_value): Ditto.
7707 (call_symbol): Ditto.
7709 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
7710 ARM_DECLARE_FUNCTION_SIZE.
7712 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
7713 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
7714 (ARM_STRIP_NAME_ENCODING): Undefine.
7715 (STRIP_NAME_ENCODING): Undefine.
7716 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
7717 (ASM_DECLARE_FUNCTION_NAME): Ditto.
7718 (ASM_OUTPUT_COMMON): Ditto.
7719 (ASM_DECLARE_OBJECT_NAME): Ditto.
7721 * config/arm/pe.c (arm_dllexport_name_p): Check for
7723 (arm_dllimport_name_p): Ditto.
7724 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
7725 (arm_mark_dllimport): Ditto.
7727 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7729 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
7731 2000-02-28 Mark Mitchell <mark@codesourcery.com>
7733 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
7735 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
7737 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
7738 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
7739 NO_BUILTIN_WCHAR_TYPE is not defined.
7740 (CPP_WCHAR_TYPE): Delete.
7741 * cccp.c (main): Don't change wchar_type if cplusplus.
7742 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
7744 2000-02-28 Nick Clifton <nickc@cygnus.com>
7746 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
7748 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
7750 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
7751 (ASM_WEAKEN_LABEL): Define.
7753 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
7755 * expr.c (store_constructor): Do not emit USE.
7756 * rtl.h (stupid_life_analysis): Remove.
7758 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7760 * function.c (number_blocks): Reset next_block_index based on
7761 what debugging format is used, not what is defined.
7763 * lcm.c: Minor reformatting throughout.
7764 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
7766 * toplev.c (rest_of_compilation): Account for time in
7767 optimize_mode_switching.
7769 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
7770 if only marking labels.
7772 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
7774 * calls.c (expand_call): Attempt to combine stack adjustments with
7775 pending stack adjustments.
7777 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7779 * loop.c (reg_in_basic_block_p): Don't abort when falling through
7780 to the end of the function.
7782 2000-02-27 Mark Mitchell <mark@codesourcery.com>
7784 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
7786 * final.c (next_block_index): Remove.
7787 (max_block_depth): Likewise.
7788 (pending_blocks): Likewise.
7789 (init_final): Don't initialize them.
7790 (final_start_function): Don't set next_block_index. Set up
7792 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
7793 * function.h (number_blocks): New function.
7794 * function.c (get_block_vector): New function.
7795 (identify_blocks): Use it.
7796 (reorder_blocks): Set NOTE_BLOCK.
7797 (number_blocks): New function.
7798 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
7799 * tree.h (BLOCK_NUMBER): New macro.
7800 (tree_block): Add block_num field.
7801 * dbxout.c (next_block_number): Remove.
7802 (dbxout_init): Don't set it.
7803 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
7804 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
7806 * toplev.c (rest_of_compilation): Always call
7807 find_loop_tree_blocks. Fix indentation.
7808 * dwarf2out.c (next_block_number): Remove.
7809 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7810 to determine block numbers.
7811 (gen_inlined_subroutine_die): Likewise.
7812 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
7813 (decls_for_scope): Don't increment next_block_number.
7814 * dwarfout.c (next_block_number): Remove.
7815 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7816 to determine block numbers.
7817 (output_inlined_subroutine_die): Likewise.
7818 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
7819 (output_decls_for_scope): Don't increment next_block_number.
7820 * sdbout.c (next_block_number): Remove.
7821 (sdbout_block): Use BLOCK_NUMBER.
7822 (sdbout_begin_block): Simplify.
7823 * xcoffout.c (next_block_number): Remove.
7824 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
7825 (xcoffout_begin_block): Don't set next_block_number.
7826 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
7829 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7831 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
7832 (expand_builtin_strcpy): Pass correct type to size_binop.
7833 (expand_builtin_strcmp): Likewise.
7834 Clean up conditional structure.
7835 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
7836 (complete_array_type): Don't use size_binop for MAXINDEX.
7837 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
7838 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
7839 (c_alignof): Use size_one_node.
7840 (build_unary_op): Pass arg of proper type to size_binop.
7841 (really_start_incremental_init, push_init_level): Use sizetype for
7842 constructor{,_bit,_unfilled}_index.
7843 (pop_init_label, output_init_element): Likewise.
7844 (output_pending_init_elements, process_init_element): Likewise.
7845 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
7846 * expr.c (store_expr): Use size_int.
7847 (store_constructor): Use proper types for size_binop args.
7848 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
7849 (expand_expr_unaligned): Likewise.
7850 (string_contant): Return object of sizetype.
7851 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
7852 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
7853 (ARGS_SIZE_TREE): Pass proper types to size_binop.
7854 * fold-const.c (int_const_binop): Refine when size_int is called.
7855 (fold_convert): Likewise.
7856 (size_int_wide): Rework to take KIND as arg, only take low order
7857 bits, handle new sizetype_tab datatype, and chain entries in
7859 (size_int_type_wide): New function.
7860 (size_binop): Validate types of arguments.
7861 (ssize_binop): Deleted.
7862 (size_diffop): New function.
7863 (extract_muldiv): Only fold division into multiplication for sizetypes.
7864 * function.c (assign_parms): Use size_diffop and make sure
7865 VAR field is of ssizetype; also pass proper type to size_binop.
7866 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
7867 (round_down): Deleted from here.
7868 * store-layout.c (sizetype_tab): Now an array.
7869 (sizetype_set, early_root_list): New variables.
7870 (variable_size): Use size_one_node.
7871 (round_up): Pass proper type to size_binop.
7872 (round_down): Moved to here and corrected as above.
7873 (layout_record): Pass proper arg types to size_binop.
7874 (layout_type): Likewise.
7875 If sizetype_set is zero, record the type just laid out.
7876 (make_unsigned_type): Don't call set_sizetype;
7877 (make_signed_type): Likewise; also, call fixup_signed_type.
7878 (initialize_sizetypes): New function.
7879 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
7880 set name of bitsizetype to "bit_size_type".
7881 Fix up type of sizes of all types made before call.
7882 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
7883 * tree.c (fix_sizetype): Deleted.
7884 (build_common_tree_nodes): Call initialize_sizetypes.
7885 (build_common_tree_nodes_2): Don't call fix_sizetype.
7886 * tree.h (TYPE_IS_SIZETYPE): New macro.
7887 (initialize_sizetype): New declaration.
7888 (enum size_type_kind): New type.
7889 (struct sizetype_tab): Deleted.
7890 (sizetype_tab): Now array; adjust sizetype macros.
7891 (size_diffop, size_int_type_wide): New functions.
7892 (size_int_wide): Change number of args and type; access macros changed.
7893 (ssize_int, sbitsize_int): New macros.
7894 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
7895 (ROUND_TYPE_SIZE_UNIT): New macro.
7897 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
7899 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
7901 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7903 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
7904 Mark as possibly unused.
7906 * cse.c (cse_insn): Delete dead code involving tablejump.
7907 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
7909 * Makefile.in (libcpp.a): Start by deleting it.
7911 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7913 * cpplib.h (enum file_change_code): Added rename_file.
7914 * cpplib.c (do_line): If a filename is given, set file_change to
7916 (output_line_command): If file_change is rename_file, always
7917 output a # directive with the file name.
7919 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
7921 2000-02-26 Mark Mitchell <mark@codesourcery.com>
7923 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
7924 when copying a PARM_DECL or RESULT_DECL.
7926 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7928 * fix-header.c (recognized_function): Also fix prototypes for
7929 functions taking "void".
7931 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7933 * reload1.c (do_output_reload): Check reg_reloaded_valid before
7934 looking at reg_reloaded_contents.
7936 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
7938 * Makefile.in (STMP_FIXINC): New toggle.
7939 (LIBGCC2_DEPS): Delete all references.
7940 (stmp-headers): Delete target. All references either deleted
7941 or changed to stmp-int-headers.
7942 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
7943 (LIBCPP_OBJS): Take out cppalloc.o.
7944 (cppalloc.o): Delete target.
7945 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
7946 (gen-protos, fix-header): Link with libiberty.a.
7947 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
7950 * configure.in: Remove refs to strerror.
7951 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
7952 * system.h: Take out strerror stanza.
7954 * cpperror.c (my_strerror): Delete function.
7955 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
7956 * cppmain.c (main): Call xmalloc_set_program_name first thing.
7957 * cppalloc.c: Delete file.
7958 * gen-protos.c: Don't provide xrealloc.
7960 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
7961 xstrerror throughout.
7963 2000-02-26 Bruce Korb <bkorb@gnu.org>
7965 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
7966 match for DOS headers, too.
7967 * fixinc/inclhack.sh,fixincl.x: Regenerate.
7969 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7971 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
7972 is right for most ELF targets.
7973 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
7974 Let the default file use %U properly.
7975 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
7978 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
7981 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7983 * toplev.c (documented_lang_options): Correct spelling error.
7984 (decode_d_option, decode_f_option, main): Likewise.
7986 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
7988 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
7989 to tell assembler it is permitted to expand large constants.
7991 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
7993 * protoize.c: (AUX_INFO_SUFFIX): New macro.
7994 (aux_info_suffix): Use.
7995 (SAVE_SUFFIX): New macro.
7997 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
7998 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
7999 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
8001 * invoke.texi (Running Protoize): Update documentation.
8003 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
8005 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
8007 2000-02-25 John Wehle (john@feith.com)
8009 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
8011 2000-02-25 Anthony Green <green@cygnus.com>
8013 * toplev.c (rest_of_compilation): Rebuild jump labels if
8014 combine_instructions has created a new direct jump.
8015 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
8017 (combine_instructions): Call try_combine with new argument.
8018 Return non-null value when new direct jump instruction is created.
8019 * rtl.h: combine_instructions returns an int.
8021 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
8023 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
8024 jump when changing a computed jump into a jump to a known
8027 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
8029 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
8030 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
8032 * i386.md (define_expand "clrstrsi"): Fix typo.
8034 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
8036 * rtl.texi: Fix typo.
8038 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8040 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
8041 UNITS_PER_WORD. Change caller initial_elimination_offset.
8042 (rounded_frame_size): Take into account that argument pushed has
8043 changed. Fix TARGET_ALIGN_DOUBLE problem.
8045 2000-02-25 Geoff Keating <geoffk@cygnus.com>
8047 * haifa-sched.c (schedule_block): Explain the real reason
8048 we delete REG_SAVE_NOTEs on the first insn of a block.
8049 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
8051 2000-02-24 Mark Mitchell <mark@codesourcery.com>
8053 * input.h (push_srcloc): New function.
8054 (pop_srcloc): Likewise.
8055 * toplev.c (push_srcloc): Define it.
8056 (pop_srcloc): Likewise.
8058 2000-02-24 Richard Henderson <rth@cygnus.com>
8060 * flow.c (life_analysis): When collecting reg info, clear
8063 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8065 Fix bug exposed by reload.c no longer rounding the frame
8066 size to BIGGEST_ALIGNMENT:
8067 * sh.c (rounded_frame_size): New function.
8068 (sh_expand_prologue, sh_expand_epilogue): Use it.
8069 (initial_elimination_offset): Likewise.
8071 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8073 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
8074 * sh-protos.h (sh_need_epilogue): Declare.
8075 * sh.c (sh_need_epilogue_known): New static variable.
8076 (sh_need_epilogue): New function.
8077 (function_epilogue): Clear need_epilogue_known.
8078 * sh.md (return): Split into expander / insn pattern.
8079 Make the expander conditional on ! sh_need_epilogue ().
8081 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
8083 * machmode.h (get_mode_alignment): Declare.
8084 (GET_MODE_ALIGNMENT): Call it.
8085 * stor-layout.c (get_mode_alignment): New function. Make
8086 sure alignment is always power of 2.
8088 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
8090 * i386.h: Remove useless definition of "I386" and misleading
8093 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
8095 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
8096 under which TREE_PERMANENT will be set.
8097 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
8098 build1): Use TREE_SET_PERMANENT.
8099 * print-tree.c (print_node): Don't report value of
8100 TREE_PERMANENT if ggc_p is true.
8102 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
8103 decide whether to give a type a new alias set.
8104 * objc/objc-act.c (build_objc_string_object): Never copy the string.
8105 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
8106 of value of 'obstack'.
8109 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8111 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
8113 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8115 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
8116 * cpplib.c (cpp_get_token): Produce them.
8117 * cppexp.c (cpp_lex): Handle them.
8119 2000-02-23 Nick Clifton <nickc@cygnus.com>
8121 * config/arm/arm.c (arm_comp_type_attributes): Simply and
8122 comment tests on type attributes.
8124 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8126 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
8127 conform to documentation.
8128 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
8129 to check for special cases.
8130 * sh-protos.h (sh_loop_align): Declare.
8131 * sh.c (sh_loop_align): Define.
8133 2000-02-22 Andrew Haley <aph@cygnus.com>
8135 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
8136 (SIZE_TYPE): Is 32 bits when using -mgp32.
8137 (PTRDIFF_TYPE): Ditto.
8139 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8141 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
8143 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
8145 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
8146 BIGGEST_FIELD_ALIGNMENT a constant.
8148 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
8150 * dwarf2out.c (output_line_info): Put the marker for the end of
8151 the line number info at the actual end.
8152 (gen_struct_or_union_type_die): Use decl_function_context
8153 to check for local classes.
8154 * dwarfout.c (output_type): Likewise.
8156 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
8158 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
8159 for arguments with a mode, but no type.
8160 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
8161 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
8162 * pa/long_double.h: New file.
8163 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
8164 both have 128bit wide long doubles.
8165 * configure: Rebuilt.
8167 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8169 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
8171 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
8172 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
8173 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
8175 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
8177 * integrate.c (compare_blocks, find_block): Likewise.
8179 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
8181 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
8183 * stmt.c (stmt_status, set_file_and_line_for_stmt,
8184 expand_asm_operands): Likewise.
8186 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
8188 * predict.c (estimate_probability): Added the pointer heuristic to
8189 the collection of static branch predictors.
8191 2000-02-21 Catherine Moore <clm@cygnus.com>
8193 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
8194 * invoke.texi (-mfix7000): Document.
8196 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
8198 * diagnostic.c (init_output_buffer): Make it possible to output at
8199 least 32 characters if we're given a too long prefix.
8201 2000-02-20 Mark Mitchell <mark@codesourcery.com>
8203 * varasm.c (initializer_constant_valid_p): Call
8204 lang_expand_constant to simplify the constant.
8206 2000-02-20 Bruce Korb <bkorb@gnu.org>
8208 * fixinc/inclhack.def(stdio_va_list):
8209 typedef needs to be disabled.
8210 * fixinc/inclhack.sh: regen
8211 * fixinc/fixincl.x: regen
8213 2000-02-20 Geoff Keating <geoffk@cygnus.com>
8215 * print-rtl.c (print_rtx): Don't print addresses when
8216 flag_dump_unnumbered.
8218 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8220 * sparc.c (sparc_output_scratch_registers): Mark parameter with
8222 (sparc_va_arg, sparc_flat_output_function_prologue,
8223 sparc_flat_output_function_epilogue): Cast value to unsigned in
8225 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
8227 * sparc.md: Add default case in switch.
8229 2000-02-19 Richard Henderson <rth@cygnus.com>
8231 * c-typeck.c (add_pending_init): Don't abort for multiple
8232 fields at the same offset.
8233 (pending_init_member): Test the correct member.
8235 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8237 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
8239 (start_catch_handler) : Same.
8241 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
8243 * Makefile.in: Have flow.o depend on $(EXPR_H)
8245 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8247 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
8248 * c-decl.c (duplicate_decls, finish_enum): Likewise.
8249 (finish_decl): Remove -Wlarger-than code from here.
8250 * flags.h (id_clash_len): Now int.
8251 (larger_than_size): Now HOST_WIDE_INT.
8252 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
8253 Clean up checking to see if in table.
8254 (make_bit_field_ref): Remove extra parm to bitsize_int.
8255 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
8256 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
8257 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
8258 and for computing size of decl.
8259 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
8260 Move -Wlarger-than code to here.
8261 (layout_record): Remove extra arg to bitsize_int.
8262 Set TYPE_BINFO_SIZE_UNIT.
8263 (layout_union): Remove extra arg to bitsize_int.
8264 Use proper type for size of QUAL_UNION.
8265 (layout_type): Remove extra arg to bitsize_int.
8266 * toplev.c (id_clash_len): Now int.
8267 (larger_than_size): Now HOST_WIDE_INT.
8268 (decode_W_option): Clean up id-clash and larger-than- cases.
8269 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
8270 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
8271 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
8272 (struct tree_decl): New field size_unit.
8273 (size_int_wide): No HIGH operand; NUMBER is now signed.
8274 (size_int_2): Deleted.
8275 (size_int, bitsize_int): Don't use it and rework args.
8276 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
8278 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
8280 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
8282 2000-02-18 Geoff Keating <geoffk@cygnus.com>
8284 * invoke.texi (Warning Options): Add an explanation of why
8285 you might want the -Wfloat-equal flag.
8287 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8289 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
8290 * cppinit.c (new_pending_define): Add cast to avoid warning.
8291 * expmed.c (extract_bit_field): Likewise.
8292 * flow.c (enum reorder_skip_type): New type.
8293 (skip_insns_between_blcok): New it.
8294 Rework to avoid warning about possibly undefined variable.
8295 * function.c (assign_parms): Make thisparm_boundary unsigned.
8296 * genrecog.c (write_switch): Cast XWINT result to int.
8297 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
8298 * mips-tfile.c (init_file): Make two versions of FDR intializer:
8299 one for MIPS and one for Alpha.
8300 (get_tag, copy_object): Add casts to avoid warnings.
8301 * optabs.c (init_one_libfunc): Cast NAME to (char *).
8302 * reload.c (find_reloads): Make TYPE enum reload_type.
8303 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
8304 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
8305 * varasm.c (compare_constant_1): Add cast to avoid warning.
8306 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
8308 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
8309 Cast switch operand of size to int.
8310 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
8311 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
8314 2000-02-18 Nick Clifton <nickc@cygnus.com>
8316 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
8317 anything for an alignment of zero.
8319 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
8320 anything for an alignment of zero.
8322 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
8324 * gcc.texi (Bug Reporting): Refer to bugs.html.
8325 (Bug Lists): Likewise.
8326 * system.h (GCCBUGURL): New preprocessor define.
8327 * rtl.c (fancy_abort): Use it.
8328 * gcc.c (main): Likewise.
8330 2000-02-18 Richard Henderson <rth@cygnus.com>
8332 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
8333 (life_analysis_1): Subsume into ...
8334 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
8335 Use update_life_info for the relaxation.
8336 (update_life_info): Update REG_BASIC_BLOCK for registers live on
8337 entry and regs_live_at_setjmp.
8338 (set_noop_p): Simplify.
8339 (notice_stack_pointer_modification_1): Renamed from s/_1//.
8340 (record_volatile_insns): Split into ...
8341 (delete_noop_moves): ... here,
8342 (notice_stack_pointer_modification): ... here,
8343 (insn_dead_p): ... and here.
8344 (propagate_block): Don't query INSN_VOLATILE.
8345 (mark_used_regs): Mind !PROP_REG_INFO.
8346 * toplev.c (rest_of_compilation): Call mark_constant_function here,
8347 not in life_analysis.
8349 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
8351 * loop.c (canonicalize_condition): New function,
8352 broken out of get_condition.
8353 (get_condition): Use it.
8354 * expr.h (canonicalize_condition): Prototype it.
8356 * tree.h (tree_int_cst_msb): Declare.
8357 * tree.c (tree_int_cst_msb): New function.
8359 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8361 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
8364 * invoke.texi (-fmessage-length=n): Document.
8366 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
8368 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
8370 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8372 * function.c (thread_prologue_and_epilogue_insns): Put a line note
8375 2000-02-17 Nick Clifton <nickc@cygnus.com>
8377 * config/arm/thumb.c: Replace includes of system headers with
8378 #include "system.h".
8380 2000-02-16 Richard Henderson <rth@cygnus.com>
8382 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
8383 Add crtbeginS.o and crtendS.o.
8384 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
8385 (ENDFILE_SPEC): Use crtendS.o.
8386 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
8388 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
8389 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
8391 (__dso_handle): New variable.
8392 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
8393 bias to __CTOR_END__.
8395 2000-02-16 Richard Henderson <rth@cygnus.com>
8397 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
8399 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
8401 * longlong.h (__clz_tab): Declare as static to match definition.
8403 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
8404 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
8405 (XREF_FILE_NAME): Define.
8407 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
8408 (EH_FRAME_SECTION_ASM_OP): Define.
8409 (IDENT_ASM_OP): Define.
8410 (TEXT_SECTION_ASM_OP): Define.
8412 (CTORS_SECTION_ASM_OP): Define.
8413 (CTOR_SECTION_FUNCTION): Use it.
8414 (DTORS_SECTION_ASM_OP): Define.
8415 (DTOR_SECTION_FUNCTION): Use it.
8417 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
8419 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
8422 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
8423 debug_bb_n): New functions.
8424 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
8425 * basic-block.h: Prototype new functions.
8427 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
8429 * configure.in: Add support for avr target.
8430 * configure: Rebuilt.
8432 * invoke.texi: Add AVR invocation docs.
8433 * install.texi: Add information about AVR.
8434 * md.texi: Add AVR constraint letters description.
8435 * extend.texi: Add description for AVR specific attributes.
8437 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
8439 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
8441 2000-02-16 Nick Clifton <nickc@cygnus.com>
8443 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
8444 (make_insn_raw): Move RTL check here.
8446 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8448 * version.c: Include gansidecl.h and version.h.
8450 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
8452 * configure.in (gcc_version): When setting, narrow search to
8453 lines containing `version_string'.
8455 * Makefile.in (mainversion): Likewise.
8456 (GCC_H): New variable.
8457 (gcc.h): Delete target.
8458 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
8459 (version.o): Depend on version.h.
8460 (dbxout.o): Don't depend on gcc.h.
8462 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
8463 Michael Meissner <meissner@cygnus.com>
8465 * md.texi (Simple Constraints): Add item about whitespace.
8466 * genoutput.c (strip_whitespace): New.
8467 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
8468 strip_whitespace for constraints.
8469 Test pointer using NULL, not 0.
8471 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8473 * cpplib.c (do_line): Pedwarn for #line > 32767.
8475 * c-lex.c (readescape): Warn about '\x', but do not reject it.
8477 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
8479 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
8480 to default cpp spec.
8481 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
8482 * cpp.texi: Document __GNUC_PATCHLEVEL__.
8485 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
8488 2000-02-15 Denis Chertykov <denisc@overta.ru>
8490 * configure.in: Add support for avr target.
8492 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8494 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
8495 (sh_addr_diff_vec_mode): Don't declare.
8496 * sh.c (sh_addr_diff_vec_mode): Delete.
8498 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8500 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
8502 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8504 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
8505 (smulsi3_highpart_i): Name.
8506 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
8507 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
8508 (smulsi3_highpart, umulsi3_highpart): Likewise.
8510 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
8511 correctly independent of endianness.
8512 (mulsidi3, umulsidi3): Now define_insn. Hide details that
8513 confuse the optimizers.
8514 (mulsidi3+1, umulsidi3+1): New define_split.
8516 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
8518 * config/sh/sh.md: Guard insn splits against illegal registers.
8519 * config/sh/sh.h: Correct comment about macros.
8521 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8522 Andrew MacLeod <amacleod@cygnus.com>
8524 * Makefile.in (lcm.o): Depend on insn-attr.h.
8525 * basic-block.h (optimize_mode_switching): Declare.
8526 * lcm.c (tm_p.h, insn-attr.h): #include.
8527 (seginfo, bb_info): New structs.
8528 (antic, transp, comp, delete, insert) : New file-scope static variables.
8529 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
8530 (reg_becomes_live, optimize_mode_switching): Likewise.
8531 * tm.texi: Add description of mode switching macros.
8532 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
8534 * sh-protos.h (remove_dead_before_cse): Remove prototype.
8535 (fldi_ok, fpscr_set_from_mem): New prototypes.
8536 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
8537 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
8538 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8539 (sh_flag_remove_dead_before_cse): Remove declaration.
8540 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
8541 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
8542 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
8543 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8544 (barrier_align): Allow for JUMP_INSNS containing a parallel.
8545 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
8546 (fldi_ok): New function.
8547 (get_fpscr_rtx): Add fpscr_rtx as GC root.
8548 (emit_sf_insn): Only generate fpu switches when optimize < 1.
8549 (emit_df_insn): Likewise.
8550 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
8551 (sh_flag_remove_dead_before_cse): Delete.
8552 (get_free_reg, fpscr_set_from_mem): New functions.
8553 * sh.md (movdf, movsf): Remove no_new_pseudos code.
8554 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
8556 2000-02-15 Loren Rittle <ljrittle@acm.org>
8558 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
8560 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8562 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
8563 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
8565 * cccp.c: Include version.h and/or don't declare `version_string'.
8566 * collect2.c: Likewise.
8567 * alpha.c: Likewise.
8568 * arm/aof.h: Likewise.
8569 * arm/coff.h: Likewise.
8570 * arm/elf.h: Likewise.
8571 * arm/pe.h: Likewise.
8572 * arm/tcoff.h: Likewise.
8573 * arm/telf.h: Likewise.
8574 * arm/tpe.h: Likewise.
8575 * arm/vxarm.h: Likewise.
8576 * convex/convex.c: Likewise.
8577 * i386/dgux.c: Likewise.
8578 * i386/sun386.h: Likewise.
8579 * m88k/m88k.c: Likewise.
8580 * mcore/mcore-pe.h: Likewise.
8581 * mips/mips.h: Likewise.
8582 * romp/romp.h: Likewise.
8583 * sh/sh.c: Likewise.
8584 * cpphash.c: Likewise.
8585 * cppinit.c: Likewise.
8586 * dwarf2out.c: Likewise.
8587 * dwarfout.c: Likewise.
8590 * mips-tfile.c: Likewise.
8591 * protoize.c: Likewise.
8592 * toplev.c: Likewise.
8595 * version.c (version_string): Constify a char*.
8597 * version.h: New file.
8599 2000-02-14 Nick Clifton <nickc@cygnus.com>
8601 * configure.in: Add mcore-elf and mcore-pe targets.
8602 * configure: Regenerate.
8604 * NEWS: Add note that MCore port has been contributed.
8606 * invoke.texi: Document command line switches for MCore port.
8607 * install.texi: Add MCore to list of supported targets.
8609 2000-02-14 Geoff Keating <geoffk@cygnus.com>
8611 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
8612 then we will need to import the frame handling functions.
8613 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
8614 to import the frames themselves.
8616 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
8617 Jason Eckhardt <jle@cygnus.com>
8619 * basic_block.h: Added prototype for reorder_basic_blocks.
8620 * toplev.c: Changes to add -freorder-blocks and graph dump after
8621 block reordering is done.
8622 * flow.c (reorder_block_def): New structure for use during block
8624 (REORDER_BLOCK_*): New macros to access members of above structure.
8625 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
8626 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
8627 functions for block reordering.
8629 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
8631 * gcc.texi (Passes): Fix typo.
8632 * md.texi (Standard Names): Ditto.
8633 * tm.texi (Storage Layout): Ditto.
8635 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8637 * cpplib.c (do_define): Only free the old definition if it
8640 2000-02-13 Neil Booth <NeilB@earthling.net>
8642 * cppfiles.c (read_and_prescan): When emitting deferred
8643 newlines, test speccase[] again instead of checking each
8644 possible whitespace character in turn. When we encounter \r,
8645 look behind for \n first, then ahead.
8647 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8649 * cse.c (cse_altered): New internal flag.
8650 (cse_insn): Set it if we changed an insn.
8651 (cse_main): Clear cse_altered before each basic block.
8652 Only garbage collect if cse_altered is true afterward.
8654 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8656 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
8658 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
8660 * combine.c (simplify_comparison): Fix typo.
8662 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
8664 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
8667 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8669 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
8670 previously inserted node instead of root node. Caller changed.
8672 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8674 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
8676 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8678 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
8679 __dereg_frame_dtor): Add prototype argument.
8681 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
8683 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
8685 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
8687 * gthr-vxworks.h (__gthread_once): Likewise.
8689 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
8691 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
8693 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
8694 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
8695 stack pointer in functions w/o saved registers, output LEAVE more often
8696 on TARGET_USE_LEAVE machines.
8698 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
8700 * config/arm/arm.c (arm_init_cumulative_args); New function:
8701 Initlaise the CUMULATIE_ARGS strcuture for a function
8703 (arm_function_arg): New function: Determine where to place a
8704 function's argument. Also handles deciding the function's
8706 (current_file_function_operand): New function: Return true if
8707 the symbol is a function which has already been compiled.
8708 (arm_is_long_call_p): New function: Return true if the
8709 indicated function should be called via a long call.
8710 (arm_valid_type_attribute_p): New function: Return true if the
8711 attribute is a valid, arm specific, attribute.
8712 (arm_comp_type_attribute): New function: Return true if the
8713 two types have compatable, arm specific, attributes.
8715 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
8717 (FUNCTION_ARG): Redefine to call arm_function_arg.
8718 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
8720 (INIT_CUMULATIVE_ARGS): Redefine to call
8721 arm_init_cumulative_args.
8722 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
8724 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
8726 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
8728 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
8729 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
8730 (COMP_TYPE_ATTRIBUTES): Define.
8732 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
8733 if a long call is needed.
8734 (call_value): Call arm_is_long_call_p to decide if a long call
8736 (call_symbol): Call arm_is_long_call_p to decide if a long call
8739 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
8741 2000-02-11 Denis Chertykov <denisc@overta.ru>
8743 * README.AVR: New file with information about the avr ports.
8744 * config/avr: New directory with avr port files.
8746 2000-02-11 Andreas Jaeger <aj@suse.de>
8748 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
8750 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
8752 * cpphash.c: Fix formatting, update commentary.
8753 (dump_definition): Take three separate arguments instead of a
8754 MACRODEF structure argument.
8755 * cpphash.h: Update prototype of dump_definition.
8756 * cppinit.c (cpp_finish): Update call of dump_definition.
8758 * cpplib.c (do_define): Always create new hash entry with
8759 T_MACRO type. Remove redundant check for redefinition of
8760 poisoned identifier. Update call of dump_definition.
8761 (do_undef): Don't call check_macro_name. Rename sym_length to
8763 (do_error, do_warning): Don't use copy_rest_of_line or
8765 (do_warning): Don't use pedwarn for the actual warning,
8766 only the notice about its not being in the standard. (Fixes
8767 bug with #warning in system headers.)
8768 (do_ident): Stricter argument checking - accept only a single
8769 string after #ident. Also, macro-expand the line.
8770 (do_xifdef): Use cpp_defined. De-obfuscate.
8772 (do_pragma): Split out specific pragma handling to separate
8773 functions. Use get_directive_token. Update commentary. Do
8774 not pass on #pragma once or #pragma poison to the front end.
8775 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
8776 do_pragma_default): New.
8778 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
8780 * jump.c (jump_optimize_1): The first operand in a relational
8782 * optabs.c (emit_conditional_move): Handle relationals which
8783 have a known true/false result.
8785 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8787 * function.c (thread_prologue_and_epilogue_insns): Don't insert
8788 a RETURN insn into a block which already ends with a jump.
8790 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8792 * haifa-sched.c (BUF_LEN): Increase a lot.
8794 2000-02-11 Nick Clifton <nickc@cygnus.com>
8796 * configure.in: Add tm_p_file specification for thumb targets.
8797 * configure: Regenerate.
8799 * config/arm/thumb-protos.h: New file: Prototypes for exported
8800 functions defined in thumb.c.
8802 2000-02-11 Robert Lipe <robertl@sco.com>
8804 * Makefile.in (bootstrap-lean): Remove additional files.
8805 (bootstrap2-lean): Likewise.
8806 (VOL_FILES): List of files for above.
8808 2000-02-11 Nathan Sidwell <nathan@acm.org>
8810 * cpphash.c (special_symbol): Remove spurious argument to
8813 2000-02-11 Joel Sherrill (joel@OARcorp.com>
8815 * configure.in: (i*86-*-rtems*): Swapped elf and coff
8817 * configure: Rebuilt.
8819 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
8821 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
8823 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
8825 * pa.c, pa.h: Remove trigraph sequences within comments.
8827 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
8829 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
8831 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
8833 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
8835 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8837 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
8839 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8841 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
8842 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
8843 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
8844 (ASM_FILE_END): Use c4x_file_end.
8845 * config/c4x/c4x.c (c4x_global_label): New function.
8846 (c4x_external_ref, c4x_file_end): Likewise.
8848 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
8849 (c4x_external_ref, c4x_end_file): Likewise.
8851 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
8853 * cppexp.c: Don't include cpphash.h.
8854 (parse_charconst, cpp_lex): Use cpp_defined.
8855 (cpp_lex): Use get_directive_token throughout. Remove
8856 unnecessary cases from switch. Move assertion-handling code
8858 (cpp_parse_expr): If we see '+' or '-', check the context to
8859 determine if they are unary or binary operators. Streamline
8860 the jumps a bit. Do not call skip_rest_of_line.
8862 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
8863 static. Export get_directive_token. Update commentary.
8864 (cpp_defined): New function.
8865 (do_define): Remove reference to T_PCSTRING. Call
8866 free_definition to release memory for old definition, when
8868 (eval_if_expression): Set only_seen_white to 0 before calling
8869 cpp_parse_expr. Call skip_rest_of_line after it returns.
8870 (cpp_read_check_assertion): Don't preserve a pointer into the
8871 token buffer across a call to cpp_get_token.
8873 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
8874 * cppfiles.c (redundant_include_p): Use cpp_defined.
8875 * cpphash.c (free_definition): New function.
8876 (delete_macro): Use it. Update commentary.
8877 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
8879 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
8880 from enum node_type. Prototype cpp_defined and get_directive_token.
8881 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
8883 * fix-header.c (check_macro_names): Use cpp_defined.
8884 (read_scan_file): Set inhibit_warnings and inhibit_errors in
8885 the options structure.
8887 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8889 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
8891 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
8893 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
8894 rather than die->die_tag.
8896 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8898 * combine.c (make_extraction, force_to_mode): Avoid warning on
8899 mixed-signedness conditionals.
8900 (make_field_assignment, nonzero_bits): Likewise.
8901 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
8902 (store_split_bit_field, extract_split_bit_field): Likewise.
8903 (extract_fixed_bit_field, store_bit_field,
8904 * expr.c: Change alignment to be unsigned everywhere.
8905 (move_by_pieces, store_constructor_field, store_constructor):
8906 Alignment parm is unsigned.
8907 (emit_block_move, emit_group_load, emit_group_store): Likewise.
8908 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8909 (do_compare_rtx_and_jump): Likewise.
8910 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
8911 Compare align with GET_MODE_ALIGNMENT.
8912 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
8913 (get_inner_reference): Likewise.
8914 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
8915 (expand_assignment): Local vars for alignment now unsigned.
8916 (store_constructor, store_field, expand_expr, do_jump): Likewise.
8917 (do_compare_and_jump): Likewise.
8918 (store_field): Call new function expr_align.
8919 * expr.h (emit_block_move, emit_group_load, emit_group_store):
8920 Alignment arg now unsigned.
8921 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8922 (do_compare_rtx_and_jump, store_bit_field): Likewise.
8923 (extract_bit_field): Likewise.
8924 * fold-const.c (add_double): Add cast to eliminate signedness warning.
8925 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
8926 (get_best_mode): Alignment arg is unsigned.
8927 * rtl.h (move_by_pieces): Likewise.
8928 * store-layout.c (maximum_field_alignment, set_alignment):
8930 (layout_decl): Alignment arg is now unsigned.
8931 Remove unneeded casts.
8932 (layout_record, layout_union, layout_type): Remove unneeded casts.
8933 Local alignment variables now unsigned.
8934 (get_best_mode): Alignment arg now unsigned.
8935 * tree.c (expr_align): New function.
8936 * tree.h (expr_align): Likewise.
8937 (maximum_field_alignment, set_alignment): Now unsigned.
8938 (get_inner_reference): Alignment argument is now pointer to unsigned.
8939 * varasm.c (assemble_variable): Add cast to eliminate warning.
8941 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
8943 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
8944 then store directly into op0.
8946 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
8947 the CALL_INSN, and emit the note immediately after it.
8949 2000-02-10 Nick Clifton <nickc@cygnus.com>
8951 * config/arm/thumb.md (epilogue): Include a (return) in the
8952 generated insn, and emit it using emit_jump_insn not
8955 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
8957 * function.c (assign_temp): Change zero-sized arrays to size 1.
8958 * integrate.c (expand_inline_function): Do not update
8959 stack_alignment_needed
8960 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
8961 add some sanity checking, remove optimization for function with
8964 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8966 * flow.c (mark_regs_live_at_end): Delete unused variables.
8968 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
8970 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
8971 in macro FRAME_GROWS_DOWNWARD.
8973 * stmt.c (expand_end_bindings): Delete unused variable.
8975 * unroll.c (iteration_info): Mark parameter `loop' with
8978 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8980 * fixinc/server.c (load_data): Return NULL if the marker line is
8982 (run_shell): If load_data returns NULL, retry the command once, in
8985 * configure: Rebuilt.
8987 2000-02-09 Bruce Korb <bkorb@gnu.org>
8989 * gcc/fixincludes: ** DELETED **
8990 * gcc/fixcpp: ** DELETED **
8991 * gcc/fixinc-nt.sed: ** DELETED **
8992 * gcc/just-fixinc: ** DELETED **
8993 * gcc/Makefile.in: Removed out-dated commentary
8994 * gcc/configure.in: Removed fast-fixincludes disablement.
8995 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
8997 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8998 * function.c (thread_prologue_and_epilogue_insns): Uncomment
9001 2000-02-09 Richard Henderson <rth@cygnus.com>
9003 * jump.c (delete_insn): Don't delete user labels at -O0.
9005 2000-02-09 Robert Lipe <robertl@sco.com>
9007 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
9008 Don't link with HOST_LIBS.
9010 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
9012 * configure.in: Correct --help text for --with-dwarf2.
9013 Put tm-dwarf2.h after other tm files, if it's requested.
9014 * configure: Regenerate.
9015 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
9018 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
9020 * cpplib.h: Provide HASHNODE typedef and forward decl of
9021 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
9022 DEFINITION, struct hashnode, struct macrodef, struct
9023 definition, scan_decls prototype, default defn of
9024 INCLUDE_LEN_FUDGE moved elsewhere.
9026 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
9027 definition, and struct hashnode moved here. Remove the unused
9028 'predefined' field from struct definition. Replace the 'args'
9029 union with its sole member. All users updated (cpphash.c).
9030 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
9031 multiple include guard.
9033 * cpphash.c (hashf): Make static; use better algorithm; drop
9034 HASHSIZE parameter; return an unsigned int.
9035 (cpp_lookup): Drop HASH parameter. PFILE parameter is
9036 used. Calculate HASHSIZE modulus here.
9037 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
9039 (create_definition): Drop PREDEFINITION parameter.
9040 * cpplib.c (do_define): Don't calculate a hash value here.
9041 Don't pass (keyword == NULL) to create_definition.
9043 * scan.h: Prototype scan_decls here.
9044 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
9045 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
9046 callers of cpp_lookup and cpp_install updated.
9048 * cpphash.c (macarg): Hoist all the flag diddling out of the
9050 (macroexpand): ... and out of the loop that calls macarg.
9051 Skip over the initial paren before macro arguments with
9052 cpp_get_non_space_token; point may be some distance before
9053 that paren. Abort if it's not there.
9055 * cpplib.c (parse_clear_mark): Delete function.
9056 (parse_set_mark, parse_goto_mark): Make static.
9057 (ACTIVE_MARK_P): New macro.
9058 (skip_block_comment, skip_line_comment): Do not bump the line
9059 if ACTIVE_MARK_P is true.
9060 (cpp_pop_buffer): The buffer to be popped may not have an
9062 (cpp_get_token): When looking for the initial paren before
9063 macro arguments, only set a mark in a file buffer, Always
9064 return to that mark before proceeding to call macroexpand or
9065 return a NAME token.
9067 * cpplib.h: Remove prototypes of parse_set_mark,
9068 parse_clear_mark, parse_goto_mark.
9069 (struct cpp_options): Rename 'put_out_comments' to
9070 'discard_comments' and invert its sense.
9071 * cppinit.c, cpphash.c, cpplib.c: All users of
9072 put_out_comments changed to use discard_comments, with
9075 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
9077 * function.c (thread_prologue_and_epilogue_insns): Don't delete
9078 the edge from a block that both jumps and falls through to the
9081 2000-02-09 Scott Bambrough <scottb@netwinder.org>
9083 * config/arm/arm.md (movsi): In PIC mode, make sure that a
9084 constant source address is legitimate.
9086 2000-02-09 Philip Blundell <pb@futuretv.com>
9088 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
9091 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
9093 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
9095 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
9097 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
9098 ends with a newline and a NUL. Don't be so clever manipulating
9101 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
9103 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
9104 not to BIGGEST_ALIGNMENT.
9106 2000-02-08 Geoff Keating <geoffk@cygnus.com>
9108 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
9109 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
9110 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
9111 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
9112 * frame.c (execute_cfa_insn): Handle
9113 DW_CFA_GNU_negative_offset_extended.
9115 2000-02-08 Richard Henderson <rth@cygnus.com>
9117 * flow.c (tidy_fallthru_edges): Split out from ...
9118 (delete_unreachable_blocks): ... here.
9119 (find_basic_blocks): Use it.
9121 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9123 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
9125 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
9127 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
9128 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
9129 (fix-header.o): Don't depend on cpphash.h.
9131 * scan.c (hashstr): New function.
9132 * scan.h: Prototype it.
9133 * fix-header.c: Don't include cpphash.h. Use hashstr.
9134 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
9135 hashstr. Report hash table statistics. Add private
9136 definition of xrealloc.
9138 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9140 * i386.h (TARGET_SWITCHES): Fix typo in option name.
9142 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
9144 * function.c (thread_prologue_and_epilogue_insns): Don't replace
9145 jumps with returns unless they are jumps to the fallthru block.
9147 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
9149 * i386.md (addqi3_cc): Fix contraints.
9151 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
9153 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
9155 2000-02-07 Mark Mitchell <mark@codesourcery.com>
9157 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
9158 carriage return after a macro name.
9160 2000-02-07 Fred Fish <fnf@be.com>
9162 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
9163 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
9165 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
9167 * cppfiles.c (deps_output): Count spacers in deps_column.
9169 2000-02-07 Neil Booth <NeilB@earthling.net>
9171 * cppinit.c (initialize_dependency_output): If there is no
9172 suffix, don't try to look for known suffixes. Use strrchr.
9173 (cpp_start_read): Remove duplicate initialization.
9175 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
9177 * calls.c (compute_argument_block_size): New argument
9178 preferred_stack_boundary.
9179 (expand_call): update cfun->preferred_stack_boundary, update call of
9180 compute_argument_block_size
9181 (emit_library_call): Increate cfun->preferred_stack_boundary
9182 to PREFERRED_STACK_BOUNDARY
9183 (emit_library_call_value): Likewise.
9184 * explow.c (allocate_dynamic_stack_spave): Likewise.
9185 * function.c (prepare_function_start): Set
9186 cfun->preferred_stack_boundary
9187 * function.h (struct function): Add preferred_stack_boundary field.
9188 * integrate.c (expand_inline_function): Update
9189 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
9190 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
9191 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
9193 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
9195 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
9196 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
9197 cpp_pedwarn, cpp_pedwarn_with_line,
9198 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
9199 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
9200 v_cpp_error_with_line, v_cpp_warning_with_line,
9201 cpp_message_from_errno, cpp_perror_with_name): Delete.
9203 * cpperror.c (cpp_print_containing_files): Take starting
9205 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
9206 (v_cpp_message): Now called directly by all entry points.
9208 (cpp_pfatal_with_name, cpp_message): Delete.
9209 (cpp_notice_from_errno, cpp_ice): New functions.
9210 (cpp_notice): Is now for reporting error conditions, just
9211 without an associated file.
9212 (cpp_error, cpp_error_with_line): Don't do anything if
9213 opts->inhibit_errors is on.
9214 (cpp_pedwarn_with_file_and_line): Take column argument also.
9216 * cpplib.h: Update prototypes of exported functions.
9217 (struct cpp_options): Add inhibit_errors.
9219 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
9220 non-error messages. Include intl.h.
9222 * cppinit.c, cppmain.c: Likewise. Also, use
9223 cpp_notice_from_errno instead of cpp_perror_with_name or
9224 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
9226 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
9227 report internal errors.
9229 * cpplib.c (do_define): Switch bcopy to memcpy.
9230 Give cpp_pedwarn_with_file_and_line a dummy column argument.
9232 * cpplib.c (copy_rest_of_line): Revert previous change: don't
9233 bail out early if we hit a line comment.
9235 2000-02-06 Richard Henderson <rth@cygnus.com>
9237 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
9238 * basic-block.h: Declare them.
9239 * emit-rtl.h (active_insn_p): New.
9240 (next_active_insn, prev_active_insn): Use it.
9241 * rtl.h: Declare it.
9242 * function.c (emit_return_into_block): New.
9243 (thread_prologue_and_epilogue_insns): Insert return insns instead
9244 of epilogues when possible.
9245 * jump.c (jump_optimize_1): Remove code to insert a return insn
9246 on the fallthru to the exit block.
9248 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
9249 and for non-empty stack frames.
9250 * i386.md (return): Expand to return-pop as needed.
9252 2000-02-06 Richard Henderson <rth@cygnus.com>
9254 * simplify-rtx.c (simplify_relational_operation): Canonicalize
9255 constant to op1 for testing.
9257 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9259 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
9260 (fixuns_truncqfqi2): Use it.
9262 2000-02-06 Richard Henderson <rth@cygnus.com>
9264 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
9267 * i386.md (widening and peepholes): Mask the constant instead of
9270 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
9272 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
9273 input pointer before possibly branching off to the backslash
9275 * cpphash.c (macroexpand): Correctly delete \r escapes when
9276 stringifying parameters.
9277 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
9278 if we can; bail out early if we hit a line comment.
9279 (handle_directive): Treat '# 123' in an .S file just like
9280 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
9281 Return 1 for '# not_a_directive'.
9282 (get_directive_token): Pop macro buffers here, so that
9283 cpp_get_token can't sneakily move past a newline.
9285 (cpp_get_token): goto randomchar if handle_directive returns 0.
9287 * cppalloc.c: Update copyright.
9288 * cpplib.c: Merge all the static function prototypes into one
9290 * cpplib.h: Remove #if 0 block.
9292 * cpperror.c: Remove #ifdef EMACS block.
9293 * cppmain.c: Likewise.
9294 * cpphash.c: Remove #if 0 blocks.
9295 * cppinit.c: Remove #if 0 blocks, and the -lint option.
9296 * cpplib.c: Remove #if 0 blocks and code referencing
9297 pcp_inside_if or for_lint. Remove duplicate error message.
9298 Fix error messages for #else after #else or #elif. Reformat.
9299 Remove archaic TODO list.
9300 * cpplib.h: Remove pcp_inside_if and for_lint flags.
9302 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
9304 * i386/osf1elf.h: Add missing backslash to multiline string.
9306 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9308 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
9310 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9312 * Makefile.in (c-common.o): Depend on $(EXPR_H).
9314 * c-common.c: Include expr.h.
9316 * c-pragma.c (mark_align_stack): Add prototype.
9318 * caller-save.c (add_stored_regs): Likewise.
9320 * combine.c (record_promoted_value): Likewise.
9322 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
9325 * cppinit.c (new_pending_define): Likewise.
9327 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
9329 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
9330 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
9331 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
9332 class_scope_p): Likewise.
9334 * dwarf2out.h (dwarf2out_set_demangle_name_func,
9335 dwarf2out_add_library_unit_info): Likewise.
9337 * ggc.h (ggc_page_print_statistics): Likewise.
9339 * haifa-sched.c (propagate_deps): Likewise.
9341 * reg-stack.c (next_flags_user, record_label_references): Likewise.
9343 * rtl.h (set_stack_check_libfunc): Likewise.
9345 * toplev.h (set_fatal_function): Likewise.
9347 * toplev.c (set_fatal_function): Delete prototype.
9349 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
9351 2000-02-05 Geoff Keating <geoffk@cygnus.com>
9353 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
9354 (FUNC_END): Likewise.
9356 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9358 * caller-save.c: Include tm_p.h.
9360 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9362 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
9364 2000-02-04 Neil Booth <NeilB@earthling.net>
9366 * cccp.c (main): Check 'dir' for a NULL pointer before passing
9369 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
9371 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
9372 * genflags.c: Use the max_operand_1 logic from genemit.c to
9373 calculate how many arguments gen_insn prototypes have. Remove
9374 NO_MD_PROTOTYPES ifdefs from the generated file.
9375 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
9376 file. Cast gen_insn initializers to insn_gen_fn.
9377 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
9378 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
9380 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9382 * fixinc/Makefile.in (HDR): Add machname.h.
9385 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9387 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
9388 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
9389 (c4x_cpu_version): Ditto.
9390 * config/c4x/c4x-protos.h: ... here.
9392 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
9394 * dwarf2out.c (add_abstract_origin_attribute): Don't call
9395 gen_abstract_function on our context if we're a nested function.
9397 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9399 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
9400 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
9402 2000-02-04 Bruce Korb <bkorb@gnu.org>
9404 * fixinc/genfixes(machname.h):
9405 Move the functionality from gen-machine.h into this file.
9406 UNdef MN_NAME_PAT if there are no names to change.
9407 Also, be a little kinder when AutoGen is not present.
9409 * fixinc/Makefile.in(machname.h):
9410 Change the generation rule to use genfixes.
9412 * fixinc/fixfixes.c(machine_name):
9413 machine_name_fix's functionality now dependent upon whether
9414 MN_NAME_PAT is defined.
9416 * fixinc/fixtests.c(machine_name):
9419 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
9422 * fixinc/fixlib.h(mn_get_regexps):
9425 * fixinc/gen-machine.h: DELETED
9427 2000-02-04 Jan Hubicka <jh@suse.cz>
9428 Richard Henderson <rth@cygnus.com>
9430 * i386.c (SAVE_REGS_FIRST): Remove.
9431 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
9432 (ix86_compute_frame_size): Likewise.
9433 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
9434 (ix86_emit_restore_regs): Remove.
9435 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
9436 when a frame pointer is in use.
9437 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
9438 instead of pop to restore a register when profitable; emit leave
9440 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
9442 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
9443 * i386.md (prologue_allocate_stack): Remove.
9444 (epilogue_deallocate_stack): Remove.
9445 (pro_epilogue_adjust_stack): New.
9447 2000-02-04 Richard Henderson <rth@cygnus.com>
9449 * function.c (diddle_return_value): Rework to use a callback function.
9450 Use current_function_return_rtx if it's been set up.
9451 (do_clobber_return_reg, clobber_return_register): New.
9452 (do_use_return_reg, use_return_register): New.
9453 (expand_function_end): Use them.
9454 * stmt.c (expand_null_return): Likewise.
9455 * function.h: Declare them.
9456 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
9457 (mark_reg): Change arguments as appropriate for callback.
9458 * integrate.c (expand_inline_function): Revert 19 Jan change.
9460 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
9462 * tm.texi (Values in Registers): Fix typo: "fo" "for".
9463 (Misc): Say the scheduler, not the Haifa scheduler.
9465 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
9467 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
9468 when in_mem is set. Update all callers.
9470 2000-02-04 Richard Henderson <rth@cygnus.com>
9472 * i386/openbsd.h (INT_ASM_OP): Define.
9474 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
9476 * tm.texi: Fix various typos.
9478 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
9480 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
9481 (MD_STARTFILE_PREFIX_1): New macro.
9483 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
9485 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
9486 destination when needed.
9487 (strmovsi, strsetsi): New expander.
9488 (strmovsi_1, strsetsi_1): New pattern.
9489 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
9490 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
9491 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
9492 * invoke.texi (align-stringops, inline-all-stringops): Document.
9494 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
9496 * i386/netbsd.h (INT_ASM_OP): Define.
9498 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
9500 * cpplib.h (cpp_reader): Add new flag, no_directives.
9501 * cpphash.c (macarg): Set it.
9502 * cpplib.c (handle_directive): If no_directives is on and we
9503 find a directive, issue an error and discard the line.
9505 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
9507 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
9508 FP constants. Add ! TARGET_FPU check for FP constants.
9510 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
9512 * flow.c (find_basic_blocks): Don't kill label_value_list
9514 (cleanup_cfg): Kill it here.
9516 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9518 * expr.c (store_field): Ensure ALIGN is no stricter than the
9521 2000-02-02 Richard Henderson <rth@cygnus.com>
9523 * jump.c (delete_insn): Partially revert 19 Jan change;
9524 don't convert unused code labels to notes at -O0.
9526 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9528 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
9529 split_all_insns to recreate REG_LABEL notes for flow2 pass.
9531 2000-02-01 Richard Henderson <rth@cygnus.com>
9533 * i386.c (general_no_elim_operand): New.
9534 (nonmemory_no_elim_operand): New.
9535 (ix86_expand_move): Copy eliminable operands before a push.
9536 * i386-protos.h: Declare new functions.
9537 * i386.h (CAN_ELIMINATE): Simplify.
9538 (PREDICATE_CODES): Update.
9539 * i386.md (push insns): Don't allow eliminable register operands.
9541 2000-02-01 Richard Henderson <rth@cygnus.com>
9543 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
9544 replace BLKmode with DECL_RTL's mode.
9546 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
9548 * frame.c (find_fde): Convert for loop to do-while so compiler
9549 sees it's always executed at least once.
9550 * libgcc2.c (BBINBUFSIZE): Kill.
9551 (__bb_init_prg): Use fgets.
9552 (__bb_exit_trace_func): Don't paste strings.
9553 * unroll.c (unroll_loop): Initialize unroll_type, not
9554 unroll_number, and tweak logic to match.
9556 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
9558 (ix86_flags_dependant): Likewise. Disentangle control flow.
9559 (ix86_sched_reorder): Break guts out to
9560 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
9561 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
9564 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
9565 use string concatenation. Don't save and restore esi.
9567 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
9568 (machname.h): Remove script to separate file. Use two-step
9569 sequence so target is not created if script fails.
9570 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
9571 identifiers are defined.
9572 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
9573 an empty string, machine_name doesn't need to do anything at
9575 (is_cxx_header): Add more cases to regexp.
9576 * fixinc/fixlib.h: Update prototype.
9577 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
9579 * fixinc/fixincl.c: Define NO_BOGOSITY.
9581 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
9582 (hp_sysfile): Add missing comma.
9583 (math_exception): Put the wrapper ifdefs at the beginning and
9584 the end of the file.
9585 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
9587 2000-02-01 Richard Henderson <rth@cygnus.com>
9589 * sparc.c (fp_zero_operand): Turn into a normal predicate.
9590 Use CONST0_RTX. Update all callers.
9591 * sparc.h, sparc-protos.h: Update accordingly.
9592 * sparc.md (fp mov insns): Use fp_zero_operand directly
9595 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
9597 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
9600 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9602 * Makefile.in (specs.ready): New target.
9603 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
9605 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9607 * fixinc.irix: Use unique filenames for writing into /tmp,
9608 * fixinc.ptx: Likewise.
9609 * fixinc.sco: Likewise.
9610 * fixinc.svr4: Likewise.
9611 * fixinc.winnt: Likewise.
9613 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9615 * tsystem.h: New file.
9617 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
9618 s-crtS): Depend on tsystem.h.
9620 * crtstuff.c: Include tsystem.h.
9621 * frame.c: Likewise.
9622 * libgcc2.c: Likewise.
9624 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
9626 * builtins.c (expand_builtin_memset): Expand for variable sized
9629 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
9631 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
9634 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
9636 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
9638 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
9640 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
9642 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
9643 case 3->2 combining (combining with splitting) in which 2 is CC0
9644 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
9645 checked at the begining of the function with the aid of calling
9646 function 'can_combine_p'.
9648 2000-01-31 Dave Brolley <brolley@redhat.com>
9650 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
9652 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
9654 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
9657 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9659 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
9661 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
9664 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9666 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
9667 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
9668 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
9669 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
9670 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
9671 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
9672 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
9673 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
9674 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
9675 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
9677 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
9678 Add %(cpp_cpu) to CPP_SPEC.
9680 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
9681 Add %(cc1_cpu) to CC1_SPEC.
9683 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9685 * c-decl.c (c_decode_option): Accept optional numeric argument to
9686 -Wformat and set warn_format.
9687 * c-common.c: Don't emit warning about non-constant printf format
9688 string unless warn_format > 1.
9690 2000-01-30 Richard Henderson <rth@cygnus.com>
9692 * alpha.md (return_internal): Allow after reload only.
9694 2000-01-30 Richard Henderson <rth@cygnus.com>
9696 * i386.c (ix86_compute_frame_size): Omit padding1 if the
9697 local frame size is zero.
9699 2000-01-30 Richard Henderson <rth@cygnus.com>
9701 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
9702 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
9703 * alpha.md (return): Turn into an expander.
9704 (return_internal): Don't use $26.
9705 (epilogue): Emit the return insn.
9707 2000-01-30 Richard Henderson <rth@cygnus.com>
9709 * alpha.md (negtf2, abstf2): Fix word order thinko.
9711 (trunctfsf2): Avoid intermediate rounding errors.
9713 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9715 * cppfiles.c (find_position): Drop 'colp' argument, return the
9717 (read_and_prescan): Adjust to match. Don't ever manipulate
9718 line or line_base except via find_position.
9720 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9722 * c-parse.in: Apply Ulrich's changes from c-parse.y.
9723 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
9726 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9728 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
9729 just print "<command line>". If 'filename' is null or an
9730 empty string, print "<stdin>" for the filename.
9731 * cpplib.c (do_define): Don't print the 'location of the
9732 previous definition' message if we're still parsing the
9734 (cpp_pedwarn_with_file_and_line): Always call
9735 cpp_file_line_for_message.
9737 2000-01-29 Mark Mitchell <mark@codesourcery.com>
9739 * flow.c (mark_regs_live_at_end): Fix typo.
9741 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9743 * c-common.c: Adjust variable names, comments, help strings to c99.
9744 * c-lex.c: Likewise.
9745 * c-parse.y: Likewise.
9746 * c-tree.h: Likewise.
9748 * cpplib.h: Likewise.
9749 * c-decl.c: Likewise. Recognize options with names "*99" as well.
9750 * cppinit.c: Likewise.
9752 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9754 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
9755 * c4x.c: Define the optab rtx values.
9756 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
9757 (c4x_emit_libcall): Use new optab rtx values.
9758 (c4x_emit_libcall3): Likewise.
9759 (c4x_emit_libcall_mulhi): Likewise.
9760 * c4x-protos.h: Add prototypes for optab rtx values and change
9761 prototypes for above c4x_emit_libcall functions.
9763 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9765 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
9767 (c4x_function_prologue): Use regnames intead of float_reg_names when
9769 (c4x_function_epilogue): Likewise.
9770 (c4x_print_operand): Likewise.
9771 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
9772 * c4x.md (set_high): Disable for TARGET_TI.
9774 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9776 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
9777 of framepointer + constant to ADDR_REGS class.
9778 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
9779 * c4x.c (std_or_reg_operand): New function.
9780 * c4x-protos.h (std_or_reg_operand): Prototype it.
9782 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9784 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
9785 object names as libgcc2.c.
9786 * libgcc.S: Use newly defined names.
9788 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
9789 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
9791 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
9792 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
9793 (FLOW_LOOP_LAST_BLOCK): Likewise.
9795 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9797 * basic-block.h (struct loop): New fields 'first' and 'last'.
9798 * flow.c (flow_loops_find): Compute loop->first and loop->last.
9799 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
9800 and loop->last to check for NOTE_INSN_LOOP_END.
9802 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
9804 * predict.c (estimate_probability): Use the new FIRST and LAST fields
9805 of the loop descriptor rather than HEADER and LATCH. Also added
9806 missing break statements as well making some coding style modifications
9807 as suggested by Michael Hayes.
9809 2000-01-28 Richard Henderson <rth@cygnus.com>
9811 * flow.c (find_basic_blocks): Remove do_cleanup argument.
9812 Break out that code ...
9813 (cleanup_cfg): ... here.
9814 (commit_one_edge_insertion): Detect a return instruction being
9815 emitted to an edge. Emit a barrier following; clear fallthru.
9816 (commit_edge_insertions): Verify CFG consistency.
9817 * function.c (expand_function_start): Kill unused variable.
9818 (expand_function_end): Likewise.
9819 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
9820 to insert the epilogue.
9822 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
9823 (delete_null_pointer_checks): Likewise.
9824 * output.h: Likewise.
9825 * reg-stack.c (reg_to_stack): Likewise.
9826 * toplev.c (rest_of_compilation): Likewise. Run
9827 thread_prologue_and_epilogue_insns after rebuilding the CFG.
9829 2000-01-28 Richard Henderson <rth@cygnus.com>
9831 * Makefile.in (flow.o): Revert 24 Jan change.
9832 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
9833 FUNCTION_VALUE result to DECL_RESULT's mode.
9835 * haifa-sched.c (schedule_insns): Don't recompute reg info
9838 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
9840 * configure.in: Make --enable-cpplib the default.
9841 * configure: Regenerate.
9842 * gcc.dg/990119-1.c: No longer expected to fail.
9844 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
9846 * jump.c (jump_optimize_1): Delete an optimization that is also done
9847 by merge_blocks in flow.
9849 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9851 * diagnostic.c (build_message_string, output_printf,
9852 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
9853 (build_location_prefix): Fix non-literal format string.
9855 2000-01-27 Richard Henderson <rth@cygnus.com>
9857 * alpha.md (trunctfsf2): New.
9859 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
9861 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
9863 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9865 * cppinit.c (cpp_handle_option): Recognize C++ comments under
9867 * cpplib.c (skip_block_comment, skip_line_comment): Split code
9869 (skip_comment) ... here. Permit C++ comments in system
9870 headers always. Warn about C++ comments in user code under
9871 -std=gnu89 -pedantic.
9872 (copy_comment): Use skip_comment.
9873 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
9875 (consider_directive_while_skipping, do_else, do_endif): Call
9876 validate_else unconditionally.
9877 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
9878 text after the conditional in a system header.
9879 * cpplib.h (struct cpp_buffer): Add flag
9880 warned_cplusplus_comments.
9882 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9884 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
9885 Use unshare_all_rtl_1.
9886 (unshare_all_rtl_again): New function.
9887 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
9889 * function.c (purge_addressof_1): Use unshare_all_rtl_again
9890 rather than resetting the 'used' flags ourself.
9892 * toplev.c (rest_of_compilation): Add current_function_decl
9893 to the unshare_all_rtl call.
9894 * tree.h: Prototype unshare_all_rtl.
9895 * rtl.h: Prototype unshare_all_rtl_again here.
9897 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9899 * genoutput.c (output_prologue): Include ggc.h in generated
9901 * Makefile.in (insn-output.o): Depends on ggc.h.
9903 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
9904 Hans-Peter Nilsson <hp@bitrange.com>
9906 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
9907 Remove redundant include of xm-ns32k.h.
9908 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
9909 Remove redundant include of xm-ns32k.h.
9910 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
9911 Remove redundant include of xm-ns32k.h.
9912 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
9914 * ns32k/ns32k.h: Update comment on multiply-add instructions.
9915 (TARGET_SWITCHES): Add documentation strings.
9916 (DWARF_FRAME_REGNUM): Override default definition.
9917 (REG_CLASS_CONTENTS): Add comments.
9918 (SUBSET_P): Format to reduce line length.
9919 (SMALL_REGISTER_CLASSES): Make a run time option.
9920 (GO_IF_NONINDEXED_ADDRESS): Reformat.
9921 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
9922 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
9923 (regclass_map): fix typo in comment.
9924 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
9925 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
9926 (trace, reg_or_mem_operand): Delete, unused function.
9927 (calc_address_cost): Small offsets are cheaper than large ones.
9928 (expand_block_move): Generate more efficient code when bytes is a
9929 known at compile time.
9930 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
9931 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
9932 instead of reg_or_mem_operand.
9934 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
9935 not general_operand. Similarly use "=rm" or stricter, not "=g".
9936 For input operands, use stricter constraints than "g" if not
9937 general_operand. Similarly use stricter predicate than
9938 "general_operand" when stricter constraints than "g" are present,
9939 except for matching constraints.
9940 (movstrsi): Use "memory_operand" for operands 0 and 1.
9941 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
9942 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
9943 not reg_or_mem_operand.
9944 (udivmoddisi4): Ditto.
9945 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
9946 Use nonimmediate_operand for operand 3, not register_operand.
9947 (udivmoddiqi4_internal): Use register_operand for operand 1, not
9950 2000-01-27 Fred Fish <fnf@be.com>
9952 * gthr-posix.h: Fix typo; compatibily -> compatibility.
9953 * gthr-single.h: Likewise.
9954 * gthr-solaris.h: Likewise.
9955 * gthr-vxworks.h: Likewise.
9956 * gthr-win32.h: Likewise.
9959 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9961 * cppinit.c: Add " (cpplib)" to end of string printed by
9964 2000-01-27 Richard Henderson <rth@cygnus.com>
9966 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
9967 testing for a signed comparison.
9968 (alpha_emit_floatuns): New.
9969 * alpha-protos.h: Declare it.
9970 * alpha.md (floatunsdisf2, floatunsdidf2): New.
9971 (extendsfdf2): Tidy.
9973 2000-01-27 Jakub Jelinek <jakub@redhat.com>
9975 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
9976 no -g option specifying debugging format, default to -gstabs+.
9978 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9980 * calls.c (special_function_p): New argument fork_or_exec.
9981 (expand_call): When profile_arc_flag is set and the function
9982 is in the fork_or_exec group, call __bb_fork_func first.
9983 * libgcc2.c, _bb module (__bb_fork_func): New function.
9984 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
9986 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
9987 * tree.h (special_function_p): Update prototype.
9989 2000-01-26 Richard Henderson <rth@cygnus.com>
9991 * alpha.c (alpha_split_tfmode_pair): New.
9992 * alpha-protos.h: Declare it.
9993 * alpha.md (abstf2, negtf2): New.
9994 (movtf insn): Add input G constraint.
9995 (movtf splitter): Use alpha_split_tfmode_pair.
9997 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9999 * i386/cygwin.h: PROTO -> PARAMS.
10001 2000-01-26 Jakub Jelinek <jakub@redhat.com>
10003 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
10004 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
10005 using _Qp_cmp/_Q_cmp and testing the return value.
10006 (print_operand): Call reverse_condition_maybe_unordered if
10007 we are handling CCFPmode or CCFPEmode.
10008 Handle ORDERED, UN* and LTGT comparisons.
10009 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
10010 if not TARGET_HARD_QUAD.
10011 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
10012 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
10013 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
10014 Adjust gen_b* calls so that they reflect return comparison of
10015 sparc_emit_float_lib_cmp.
10017 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10019 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
10020 incoming operands array is large enough for one more operand.
10021 (alpha_emit_xfloating_arith): Likewise.
10023 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
10025 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
10026 file with one line and no trailing newline.
10027 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
10028 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
10029 checking if the match is on the line.
10030 * fixinc/gnu-regex.c: Provide regerror not __regerror.
10032 2000-01-25 Richard Henderson <rth@cygnus.com>
10034 * sparc.c (output_cbranch): Fix accidental squashing of the
10035 fp branch pre-delay nop.
10037 2000-01-25 Richard Henderson <rth@cygnus.com>
10039 * tree.def (UNNE_EXPR): Remove.
10040 * c-typeck.c (build_binary_op): Don't handle it.
10041 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
10043 * rtl.def (UNNE): Remove.
10045 * jump.c (reverse_condition): Update accordingly.
10046 (swap_condition): Likewise.
10047 (comparison_dominates_p): Handle unordered comparisons.
10048 (reverse_condition_maybe_unordered): New.
10049 * rtl.h (reverse_condition_maybe_unordered): Declare.
10051 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
10052 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
10053 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
10054 * sparc.md (bltgt): New.
10056 2000-01-25 Nick Clifton <nickc@redhat.com>
10058 * emit-rtl.c (emit_insn): Only check machine class insns for
10059 improper emission of a RETURN.
10061 2000-01-25 Richard Henderson <rth@cygnus.com>
10063 * Makefile.in (flow.o): Depend on $(EXPR_H).
10064 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
10065 duplicate the structure of diddle_return_value for keeping regs live.
10067 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10069 * loop.c (current_loop_info): Delete.
10070 (consec_sets_invariant_p): Add loop argument, update callers.
10071 (get_condition_for_loop): Likewise.
10072 (count_nonfixed_reads, update_giv_derive): Likewise.
10073 (simplify_giv_expr, general_induction_var): Likewise.
10074 (consec_sets_giv, recombine_givs): Likewise.
10075 (move_movables): Delete loop_start and loop_end arguments,
10076 add loop argument, and update callers.
10077 (find_mem_givs, check_final_value): Likewise.
10078 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
10079 (loop_invariant_p): Rename from invariant_p, add loop argument, and
10081 (basic_induction_var): Add loop argument, delete loop_level argument,
10082 and update callers.
10083 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
10084 add loop argument, and update callers.
10085 (find_splittable_regs, find_splittable_givs): Likewise.
10086 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
10087 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
10088 (biv_total_increment): Delete loop_start and loop_end arguments;
10090 (precondition_loop_p): Delete loop_start and loop_info arguments;
10092 * loop.h (get_condition_for_loop): Add loop argument.
10093 (biv_total_increment): Delete loop_start and loop_end arguments.
10094 (precondition_loop_p): Delete loop_start and loop_info arguments;
10096 (final_biv_value): Delete loop_start and loop_end arguments;
10098 (final_giv_value, back_branch_in_range_p): Likewise.
10100 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
10102 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
10104 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
10106 * Makefile.in (c-gperf.h) : Change the "See" pointer to
10107 point to the new "generated_files" doc.
10109 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
10111 * config/fp-bit.c (_unord_f2): Fix typo.
10113 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
10115 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
10116 c-typeck.c, objc/objc-act.c: Remove all references to obstack
10117 functions obsoleted by GC, such as push_obstacks_nochange,
10118 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
10119 and code which existed only to decide whether or not to call
10120 them. Remove now-unused NESTED argument from start_function;
10121 all callers changed. Do not change behavior based on ggc_p.
10122 The use of the ixp_obstack in c-iterate.c and the util_obstack
10123 in objc/objc-act.c remain; these are not obsoleted by garbage
10125 * c-tree.h: Update prototype for start_function.
10127 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
10129 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
10131 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
10134 2000-01-25 Richard Henderson <rth@cygnus.com>
10136 * sparc-protos.h (select_cc_mode): Declare.
10137 * sparc.c (select_cc_mode): New. Handle unordered compares.
10138 (output_cbranch): Always reverse via code change. Handle
10139 unordered compares. Factor tests and string updates.
10140 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
10141 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
10142 * sparc.md (bunordered, bordered): New.
10143 (bungt, bunlt, buneq, bunge, bunle): New.
10145 2000-01-25 Richard Henderson <rth@cygnus.com>
10147 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
10148 * ggc-common.c (ggc_add_rtx_varray_root): New.
10149 (ggc_mark_rtx_varray): New.
10150 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
10151 functions down below ggc_mark_foo.
10152 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
10154 2000-01-25 Richard Henderson <rth@cygnus.com>
10156 * alpha.c (secondary_reload_class): Don't allocate a secondary
10157 for integral mode memories into FLOAT_REGS. Rearrange the more
10158 complicated memory expression inward.
10160 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
10162 * inclhack.def: Fixes to play nicer with FreeBSD, and
10163 corrections to comments.
10164 (cxx_unready): Add select expression.
10165 (irix_sockaddr): Add bypass expression.
10166 (machine_ansi_h_va_list): New fix.
10167 (stdio_va_list): No need to edit _BSD_VA_LIST_.
10168 Split out addition of "#include <stdarg.h>" to...
10169 (stdio_stdarg_h): ... here.
10170 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
10171 to stdlib.h also. Do not munge _BSD_SIZE_T_.
10172 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
10174 (ultrix_ifdef): Tighten up select expression.
10176 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
10177 re_ct and max_mach to avoid use of shell. Make printed names
10178 match names in inclhack.def. Use static copyright date.
10179 Don't count c_test and test expressions as requiring regex_t
10180 slots. Add some commentary.
10181 * inclhack.tpl: Do not include the 'This script contains N
10182 fixup scripts' line if PROGRAM is defined. Use static
10185 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
10187 * dwarf2out.c: include "varray.h", not dyn-string.h.
10188 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
10189 (addr_const_to_string, addr_to_string): Lose.
10190 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
10191 (struct dw_val_struct): val_addr is now an rtx.
10192 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
10193 (used_rtx_varray): New varray.
10194 (dwarf2out_init): Initialize it.
10195 (save_rtx): New fn.
10196 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
10198 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
10199 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
10200 * Makefile.in (dwarf2out.o): Update dependencies.
10202 2000-01-24 Richard Henderson <rth@cygnus.com>
10204 * i386.c (i386_dwarf_output_addr_const): New.
10205 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
10207 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
10209 * dwarfout.c (output_mem_loc_descriptor): Likewise.
10210 * i386.c (i386_simplify_dwarf_addr): New.
10211 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
10213 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
10215 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
10216 TYPE_STUB_DECL is NULL.
10218 2000-01-24 Richard Henderson <rth@cygnus.com>
10220 * builtins.c (expand_tree_builtin): Move ...
10221 * c-common.c (expand_tree_builtin): ... here.
10223 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10225 * loop.h (LOOP_INFO): New accessor macro.
10226 * basic-block.h (struct loop): Rename field `info' to `aux'.
10227 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
10228 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
10229 * unroll.c (loop_iterations, unroll_loop): Likewise.
10231 2000-01-24 Christopher Faylor <cgf@cygnus.com>
10233 * config/i386/t-cygwin: Accomodate new winsup directory layout
10234 when searching for include files.
10236 2000-01-24 Richard Henderson <rth@cygnus.com>
10238 * rtl.def: Add unordered fp comparisions.
10239 * tree.def: Likewise.
10240 * tree.h: Add ISO C 9x unordered fp comparision builtins.
10242 * builtins.c (expand_tree_builtin): New function.
10243 * c-typeck.c (build_function_call): Use it.
10244 (build_binary_op): Support unordered compares.
10245 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
10247 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
10248 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
10249 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
10250 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
10251 * jump.c (reverse_condition): Don't abort for UNLE etc, but
10253 (swap_condition): Handle unordered compares.
10254 (thread_jumps): Check can_reverse before reversing.
10255 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
10258 * optabs.c (can_compare_p): New argument CODE. Verify branch or
10259 setcc is present before acking for cmp_optab. Update all callers.
10260 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
10261 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
10262 * expr.c (expand_expr): Likewise. Support unordered compares.
10263 (do_jump, do_store_flag): Likewise.
10264 * expr.h (enum libfunc_index): Add unordered compares.
10266 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
10267 (DPBIT_FUNCS): Add _unord_df.
10268 * config/fp-bit.c (_unord_f2): New.
10269 * fp-test.c (main): Try unordered compare builtins.
10271 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
10272 * alpha.c (alpha_comparison_operator): Check mode properly.
10273 (alpha_swapped_comparison_operator): Likewise.
10274 (signed_comparison_operator): Likewise.
10275 (alpha_fp_comparison_operator): New.
10276 (alpha_emit_conditional_branch): Handle unordered compares.
10277 * alpha.h (PREDICATE_CODES): Update.
10278 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
10279 (bunordered, bordered): New.
10281 2000-01-24 Richard Henderson <rth@cygnus.com>
10283 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
10284 * alpha.md (movtf): New expander, insn, and splitter.
10286 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
10288 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
10291 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
10293 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
10294 (FIXED_REGISTERS, CALL_USED_REGISTERS,
10295 REG_ALLOC_ORDER): Add frame pointer
10296 (FRAME_POINTER_REGNUM): Set to 20
10297 (HARD_FRAME_POINTER_REGNUM): New macro.
10298 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
10299 to HARD_FRAME_POINTER.
10300 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
10301 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
10302 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
10303 (HI_REGISTER_NAMES): Add "frame".
10304 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
10305 (debug_reg): Handle FRAME_POINTER_REGNUM.
10306 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
10307 GENERAL_REGS and INDEX_REGS.
10308 * i386.c (SAVED_REGS_FIRST): new macro.
10309 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
10310 (ix86_decompose_address, memory_address_length): Likewise.
10311 (regclass_map): Add frame pointer.
10312 (call_insn_operand): Handle frame_pointer_rtx.
10313 (reg_no_sp_operand): Likewise.
10314 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
10315 (print_operand, legitimize_pic_address): Fix formating.
10316 (ix86_compute_frame_size): Make static, update prototype, new
10317 parameters padding1, padding2, use ix86_nsaved_regs, use
10318 stack_alignment_needed.
10319 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
10320 to HARD_FRAME_POINTER_REGNUM conversions.
10321 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
10322 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
10323 (print_reg): Abort on FRAME_POINTER_REGNUM
10325 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
10327 * i386.h (PREDICATE_CODES): Add aligned_operand.
10328 * i386.c (aligned_operand): New function.
10329 (ix86_aligned_p): Kill.
10330 * i386.md (movhi_1): Emit mov for aligned operands.
10331 (promoting peep2s): Use aligned_operand.
10333 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
10335 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
10336 expression to allow underscores in macro names.
10337 (fix_char_macro_defines): Increment scanning pointer.
10339 2000-01-23 Richard Henderson <rth@cygnus.com>
10341 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
10342 * alpha/osf5.h: New file.
10343 * configure.in (alpha-*-osf5): Add it to tm_file.
10345 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
10347 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
10348 (alpha_emit_xfloating_cvt, function_arg): Declare.
10349 * alpha.c (alpha_emit_conditional_branch): Call
10350 alpha_emit_xfloating_compare for TFmode compares.
10351 (alpha_lookup_xfloating_lib_func): New.
10352 (alpha_compute_xfloating_mode_arg): New.
10353 (alpha_emit_xfloating_libcall): New.
10354 (alpha_emit_xfloating_arith): New.
10355 (alpha_emit_xfloating_compare): New.
10356 (alpha_emit_xfloating_cvt): New.
10357 (print_operand): Add default abort case.
10358 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
10359 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
10360 (BIGGEST_ALIGNMENT): Increase to 128 bits.
10361 (RETURN_IN_MEMORY): True for TF/TCmode.
10362 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
10363 (FUNCTION_ARG): Move to function_arg.
10364 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
10365 (ASM_OUTPUT_LONG_DOUBLE): New.
10366 (ASM_OUTPUT_DOUBLE): Always output bits.
10367 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
10368 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
10369 (extenddftf2, trunctfdf2): New.
10371 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10373 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
10374 * config/sparc/sol2.h: ... here.
10376 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10378 * basic-block.h (struct loops): New field `levels'.
10379 * flow.c (flow_loops_level_compute): Traverse all outer loops.
10380 (flow_loop_level_compute): Initialise level to 1.
10381 (flow_loops_find): Set loops->levels.
10382 (flow_loops_dump): Print loops->levels.
10384 2000-01-23 Richard Henderson <rth@cygnus.com>
10386 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
10387 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
10389 2000-01-23 Richard Henderson <rth@cygnus.com>
10391 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
10392 * i386.h (DBX_REGISTER_NUMBER): Use them.
10393 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
10394 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
10395 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
10396 * i386/sequent.h: Kill incorrect comment.
10398 2000-01-23 Mark Mitchell <mark@codesourcery.com>
10400 * ggc-page.c (struct page_entry): Make `context_depth' an
10402 (struct globals): Likewise.
10404 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
10406 * loop.c (check_dbra_loop): When checking a loop for
10407 reversability, check the source of any stores to ensure
10408 they don't depend on an initial value.
10410 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10412 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
10414 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
10416 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
10417 'pz_scan' into scope of entire function. Only affects
10418 compiles with -DDEBUG.
10420 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
10422 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
10423 section naming to that prior to 2000-01-07 patch.
10424 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
10425 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
10426 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
10427 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
10428 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
10430 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
10432 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
10435 2000-01-21 Jim Wilson <wilson@cygnus.com>
10437 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
10438 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
10440 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10442 * cpphash.c (change_newlines): Delete function.
10443 (struct argdata): Delete 'newlines' and 'use_count' fields.
10444 (macroexpand): Remove code referencing those fields.
10446 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10448 * loop.c (loops_info): New variable.
10449 (loop_optimize): Allocate loops->array and free it on exit.
10450 Allocate memory for loops_info and assign to each loop,
10452 (find_and_verify_loops): Do not allocate loops->array.
10454 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10456 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
10458 2000-01-21 Jakub Jelinek <jakub@redhat.com>
10460 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
10461 pseudos if expanded after first flow.
10462 (movdi_pic_label_ref): Likewise.
10464 2000-01-20 Richard Henderson <rth@cygnus.com>
10466 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
10468 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
10470 * Makefile.in (fixinc.sh): Depend on specs.
10471 * fixinc/Makefile.in: Add rule to create machname.h.
10472 (fixlib.o): Depend on machname.h.
10473 * fixinc/fixtests.c (machine_name): New test.
10474 * fixinc/fixfixes.c (machine_name): New fix.
10475 * fixinc/fixlib.c (mn_get_regexps): New helper function for
10476 the machine_name test and fix.
10477 * fixinc/fixlib.h: Prototype it.
10478 * fixinc/inclhack.def (machine_name): Use the C test and fix.
10479 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
10481 * gcc.c (do_spec_1) [case P]: Take care not to create
10482 identifiers with three leading or trailing underscores.
10484 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
10485 (fixincl): Don't specify libraries twice on link line.
10486 (gnu-regex.o): Remove special rule.
10487 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
10488 defined by config.h. Do not define _REGEX_RE_COMP.
10489 (regcomp): Allocate and initialize a fastmap.
10490 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
10492 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
10494 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
10496 2000-01-19 Richard Henderson <rth@cygnus.com>
10498 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
10499 arguments with BB. Update all callers. Tidy line wrapping.
10501 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
10503 * emit-rtl.c (try_split): Return last_insn if we split the
10506 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
10508 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
10509 (ix86_initial_elimination_offset): Declare.
10510 * i386.c (ix86_nsaved_regs): Break out from ...
10511 (ix86_can_use_return_insn_p): ... here.
10512 (ix86_emit_save_regs): Break out from ...
10513 (ix86_expand_prologue): ... here.
10514 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
10516 (ix86_expand_epilogue): ... here.
10517 (ix86_compute_frame_size): Make static, add prototype.
10518 (ix86_initial_elimination_offset): Break out from ...
10519 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
10521 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10523 * recog.h (OUT_FCN): Delete.
10525 * vax.md: Call `get_insn_template' instead of OUT_FCN.
10527 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10529 * cppalloc.c: PROTO -> PARAMS.
10530 * cpperror.c: Likewise.
10531 * cppfiles.c: Likewise.
10532 * cpplib.c: Likewise.
10533 * cpplib.h: Likewise.
10535 * config/arm/arm-protos.h: PROTO -> PARAMS.
10536 * config/arm/arm.c: Likewise.
10537 * config/c4x/c4x.c: Likewise.
10538 * config/fr30/fr30-protos.h: Likewise.
10539 * config/nextstep.c: Likewise.
10540 * config/pa/pa.c: Likewise.
10541 * config/pj/pj.c: Likewise.
10542 * config/rs6000/rs6000.c: Likewise.
10543 * config/v850/v850-protos.h: Likewise.
10544 * config/v850/v850.c: Likewise.
10546 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10548 * i370-protos.h: New file.
10550 * i370.c: Include tm_p.h. Fix compile time warnings.
10552 * i370.h: Move prototypes to i370-protos.h. Fix compile time
10555 * i370.md: Likewise.
10557 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10559 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
10560 (target_isinf, target_isnan, eisnan): Mark parameter with
10562 (eiisinf): Wrap in INFINITY.
10563 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
10564 (ibmtoe): Remove unused variable `rndsav'.
10566 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10568 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
10569 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
10571 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
10573 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
10574 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
10575 (fix_char_macro_defines, fix_char_macro_uses): New functions.
10577 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
10578 Recognize Emacs mode markers also.
10579 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
10580 C++ comments in C++ headers. Call is_cxx_header only if
10583 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
10584 bypass for ncurses.
10585 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
10586 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
10587 ... these, which use the new C fixes.
10588 (math_exception): Escape literal '+' in bypass expression.
10590 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
10593 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10595 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
10598 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10600 * loop.c (loop_optimize): Allocate loop_info structure for each loop
10601 prior to calling scan_loop.
10603 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10605 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
10606 (split_branches, calc_live_regs): Likewise.
10608 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10610 * sh.md (fpu_single, fp_mode): New attributes.
10612 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10614 * loop.c (current_loop_info): Renamed from loop_info_data
10615 and changed to a pointer.
10616 (loop_optimize): Allocate loop_info structure for each loop
10617 and initialise to zero.
10618 (scan_loop): Set current_loop_info.
10620 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
10623 2000-01-19 Richard Henderson <rth@cygnus.com>
10625 * stupid.c: Die die die.
10626 * Makefile.in (OBJS): Remove stupid.o.
10627 (stupid.o): Likewise.
10629 * except.c (emit_eh_context): Don't emit USEs for stupid.
10630 * explow.c (probe_stack_range): Likewise.
10631 * flags.h (obey_regdecls): Remove.
10632 * flow.c (find_basic_blocks): Don't run try_merge_blocks
10633 when not optimizing.
10634 (life_analysis): Limit data collection when not optimizing.
10635 (mark_regs_live_at_end): Always mark the return value registers.
10636 (mark_used_regs): Remove dummy RETURN case.
10637 (print_rtl_with_bb): Don't consult obey_regdecls.
10638 * function.c (use_variable, use_variable_after): Remove.
10639 (assign_parms): Consult optimize not obey_regdecls.
10640 (expand_function_start): Don't emit USEs for stupid.
10641 (expand_function_end): Likewise.
10642 * global.c (build_insn_chain): Export.
10643 * integrate.c (expand_inline_function): Kill return-value USE
10645 * jump.c (jump_optimize_1): Do simple jump optimizations and
10646 dead code elimination.
10647 (calculate_can_reach_end): Remove check_deleted argument.
10648 (delete_insn): Patch out insns even when not optimizing.
10649 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
10650 * rtl.h (use_variable, use_variable_after): Remove declarations.
10651 (build_insn_chain): Declare.
10652 * stmt.c (expand_value_return): Don't emit USEs for stupid.
10653 (expand_end_bindings): Likewise.
10654 (expand_decl): Likewise. Consult optimize not obey_regdecls.
10655 * toplev.c (obey_regdecls): Remove.
10656 (rest_of_compilation): Don't set it. Kill stupid in favour of
10657 flow1, local-alloc, and reload.
10658 (main): Don't set obey_regdecls.
10660 * config/nextstep.c (handle_pragma): Likewise.
10662 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
10664 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
10666 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10668 * alpha-protos.h: PROTO -> PARAMS.
10669 * alpha.c: Likewise.
10671 * h8300.c: Likewise.
10672 * i386-protos.h: Likewise.
10673 * i386.c: Likewise.
10674 * m32r-protos.h: Likewise.
10675 * m32r.c: Likewise.
10676 * mips.c: Likewise.
10677 * mips.md: Likewise.
10678 * gmon-sol2.c: Likewise.
10679 * sparc.c: Likewise.
10681 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10683 * ns32k-protos.h: New file.
10685 * ns32k.c: Fix compile time warnings.
10687 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
10690 * ns32k.md: Likewise.
10692 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10694 * vax-protos.h: New file.
10696 * vax.c: Fix compile time warnings.
10698 * vax.h: Move prototypes to vax-protos.h. Fix compile time
10701 * vax.md: Likewise.
10703 * vaxv.md: Likewise.
10705 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10707 * romp-protos.h: New file.
10709 * romp.c: Fix compile time warnings.
10711 * romp.h: Move prototypes to romp-protos.h. Fix compile time
10714 * romp.md: Likewise.
10716 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10718 * we32k-protos.h: New file.
10720 * we32k.c: Fix compile time warnings.
10722 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
10725 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10727 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
10729 * except.c (eh_regs): Likewise.
10731 * final.c (output_operand): Likewise.
10733 * fold-const.c (target_isinf, target_isnan): Likewise.
10735 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10737 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
10738 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
10740 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
10741 when optimize_size.
10742 (clrstrsi): Rewrite.
10743 (strsethi, strsetqi): New expanders.
10744 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
10745 (cmpstrsi): Emit compare insn before cmpstrsi_1
10746 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
10747 (strlensi_1): Likewise.
10748 (cmpstrsi_1): Likewise; do not output compare.
10749 (strlen expander): Do not unroll when optimizing for size.
10750 (*subsi3_carry): Rename to subsi3_carry
10751 (addqi3_cc): New pattern.
10752 * i386.h (processor_costs): Add move_ratio field.
10753 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
10754 * i386.c (*_cost): Set move_ratio.
10755 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
10756 (x86_expand_strlensi_1): Rewrite the main loop.
10758 2000-01-17 Richard Henderson <rth@cygnus.com>
10760 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
10761 * cse.c (find_comparison_args, fold_rtx): Likewise.
10762 * integrate.c (subst_constants): Likewise.
10763 * loop.c (get_condition): Likewise.
10765 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
10767 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
10769 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10771 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
10772 (RESTORE_WARN_FLAGS): Unpack it.
10773 Change semantic type of extension to ttype.
10774 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
10775 * c-parse.y, c-parse.c, objc/objc-parse.y,
10776 objc/objc-parse.c: Regenerate.
10778 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
10780 * fixinc/fixlib.c: Add copyright notice.
10781 (compile_re): New function.
10782 * fixinc/fixlib.h: Prototype compile_re.
10784 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
10785 Use compile_re to compile regular expressions.
10787 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
10788 where the pattern matched.
10790 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
10792 (ultrix_ansi_compat): Likewise.
10793 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
10795 (interactv_add2, interactv_add3): Delete.
10796 (x11_sprintf): Don't use filename glob.
10797 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
10800 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10802 * print-rtl.c: PROTO -> PARAMS.
10803 * real.c: Likewise.
10804 * reg-stack.c: Likewise.
10805 * resource.c: Likewise.
10806 * sdbout.h: Likewise.
10807 * simplify-rtx.c: Likewise.
10808 * stor-layout.c: Likewise.
10809 * stupid.c: Likewise.
10810 * xcoffout.c: Likewise.
10811 * xcoffout.h: Likewise.
10813 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10815 * toplev.c: PROTO -> PARAMS.
10816 * toplev.h: Likewise.
10817 * tree.c: Likewise.
10818 * tree.h: Likewise.
10819 * unroll.c: Likewise.
10820 * varasm.c: Likewise.
10821 * varray.c: Likewise.
10822 * varray.h: Likewise.
10824 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10826 * reload.c: PROTO -> PARAMS.
10827 * reload.h: Likewise.
10828 * reload1.c: Likewise.
10829 * reorg.c: Likewise.
10830 * resource.h: Likewise.
10833 * rtlanal.c: Likewise.
10834 * sbitmap.h: Likewise.
10835 * sdbout.c: Likewise.
10836 * stack.h: Likewise.
10837 * stmt.c: Likewise.
10838 * system.h: Likewise.
10840 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10842 * machmode.h: PROTO -> PARAMS.
10843 * mbchar.h: Likewise.
10844 * mips-tdump.c: Likewise.
10845 * mips-tfile.c: Likewise.
10846 * optabs.c: Likewise.
10847 * output.h: Likewise.
10848 * prefix.c: Likewise.
10849 * profile.c: Likewise.
10850 * protoize.c: Likewise.
10851 * real.h: Likewise.
10852 * recog.c: Likewise.
10853 * recog.h: Likewise.
10854 * regclass.c: Likewise.
10855 * regmove.c: Likewise.
10856 * regs.h: Likewise.
10858 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10860 * ggc-common.c: PROTO -> PARAMS.
10861 * ggc-page.c: Likewise.
10862 * ggc-simple.c: Likewise.
10864 * global.c: Likewise.
10865 * graph.c: Likewise.
10866 * gthr-win32.h: Likewise.
10867 * haifa-sched.c: Likewise.
10868 * halfpic.h: Likewise.
10869 * integrate.c: Likewise.
10870 * integrate.h: Likewise.
10871 * jump.c: Likewise.
10873 * local-alloc.c: Likewise.
10874 * loop.c: Likewise.
10875 * loop.h: Likewise.
10877 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10879 * genattr.c: PROTO -> PARAMS.
10880 * genattrtab.c: Likewise.
10881 * gencheck.c: Likewise.
10882 * gencodes.c: Likewise.
10883 * genconfig.c: Likewise.
10884 * genemit.c: Likewise.
10885 * genextract.c: Likewise.
10886 * genflags.c: Likewise.
10887 * gengenrtl.c: Likewise.
10888 * genopinit.c: Likewise.
10889 * genoutput.c: Likewise.
10890 * genpeep.c: Likewise.
10891 * genrecog.c: Likewise.
10893 2000-01-16 Mark Mitchell <mark@codesourcery.com>
10895 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
10897 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10899 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
10900 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
10901 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
10902 * configure, config.in: Rebuilt.
10904 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
10906 * config/i386/i386.md: Add peephole to merge successive stack
10909 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
10911 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
10912 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
10913 when walking backwards to find all the parameter loads when
10914 the basic block ends in a call.
10916 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10918 * loop.c (this_loop_info): Delete.
10919 (uid_loop): Add in place of uid_loop_num. All uses updated.
10920 (loop_number_exit_count): Delete and replace with entry in loop
10921 structure. All uses updated.
10922 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10923 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10924 (loop_outer_loop): Likewise.
10925 (loop_invalid, loop_number_exit_labels): Likewise.
10926 (loop_used_count_register): Delete and replace with entry in
10927 loop_info structure.
10928 (find_and_verify_loops): Add loops argument.
10929 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
10930 loop_end, etc. arguments with loop structure pointer. All callers
10932 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
10933 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
10934 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
10935 (insert_bct): Likewise.
10936 (basic_induction_var): New argument level.
10937 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
10938 vtop, and cont. Add used_count_register.
10939 (uid_loop): Delete declaration.
10940 (loop_number_exit_count): Likewise.
10941 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10942 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10943 (loop_outer_loop, loop_used_count_register): Likewise.
10944 (loop_invalid, loop_number_exit_labels): Likewise.
10945 (unroll_loop): Replace loop_start and loop_end arguments
10946 with loop structure pointer.
10947 (loop_precondition_p, loop_iterations): Likewise.
10948 Include basic-block.h.
10949 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
10950 with loop structure pointer.
10951 (loop_precondition_p, loop_iterations): Likewise.
10952 * basic-block.h (struct loop): New entries vtop, cont,
10953 cont_dominator, start, end, top, scan_start, exit_labels,
10955 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
10957 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10959 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
10961 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
10963 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
10965 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10967 * pdp11-protos.h: New file.
10969 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
10972 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
10975 * pdp11.md: Likewise.
10977 * 2bsd.h: Likewise.
10979 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10981 * mn10300-protos.h: New file.
10983 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
10986 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
10989 * mn10300.md: Likewise.
10991 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10993 * mn10200-protos.h: New file.
10995 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
10998 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
11001 * mn10200.md: Likewise.
11003 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11005 * h8300-protos.h: New file.
11007 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
11010 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
11013 * h8300.md: Likewise.
11015 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11017 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
11018 (asm_emit_uninitialised): Likewise.
11020 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
11022 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
11023 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
11025 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11027 * config/mips/mips.c (override_options): Don't turn on extra
11028 alignment for mips16.
11030 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11032 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
11033 eabi, and make sure queued POSTINCREMENT rtl is emitted at
11036 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11038 * builtins.c (PAD_VARARGS_DOWN): Define.
11039 (std_expand_builtin_va_arg): Use the above macro.
11040 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
11041 * tm.texi (Register Arguments): Document the above macro.
11043 2000-01-14 Nick Clifton <nickc@cygnus.com>
11045 * emit-rtl.c (emit_insn): If checking is enabled, make sure
11046 that this function has not been used to emit a jump
11049 * jump.c (return_jump_1): Cope with being passed a null rtx.
11051 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11053 * eh-common.h: PROTO -> PARAMS.
11054 * emit-rtl.c: Likewise.
11055 * errors.c: Likewise.
11056 * errors.h: Likewise.
11057 * except.c: Likewise.
11058 * except.h: Likewise.
11059 * explow.c: Likewise.
11060 * expmed.c: Likewise.
11061 * expr.c: Likewise.
11062 * expr.h: Likewise.
11063 * final.c: Likewise.
11064 * fix-header.c: Likewise.
11065 * flow.c: Likewise.
11066 * fold-const.c: Likewise.
11067 * function.c: Likewise.
11068 * function.h: Likewise.
11070 * gcov-io.h: Likewise.
11071 * gcov.c: Likewise.
11072 * gcse.c: Likewise.
11074 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11076 * sh-protos.h: New file.
11078 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
11079 Add static prototypes. Fix compile time warnings.
11081 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
11085 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11087 * arc-protos.h: New file.
11089 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
11092 * arc.h: Move prototypes to arc-protos.h. Fix compile time
11095 * arc.md: Likewise.
11097 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11099 * dsp16xx-protos.h: New file.
11101 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
11104 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
11107 * dsp16xx.md: Likewise.
11109 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11111 * convex-protos.h: New file.
11113 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
11116 * convex.h: Move prototypes to convex-protos.h. Fix compile time
11119 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11121 * elxsi-protos.h: New file.
11123 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
11126 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
11129 * elxsi.md: Likewise.
11131 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11133 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
11134 case for moving from HI/LO/HI_LO_REG. This makes the behavior
11135 match the comment for MIPS16.
11137 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
11139 * flow.c (split_edge): Do not call set_block_for_insn if we
11140 do not have a basic_block_for_insn structure.
11142 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
11143 and destination functions are 32bit aligned within the trampoline.
11144 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
11145 (TRAMPOLINE_ALIGNMENT): Define.
11147 * cse.c (cse_insn): When changing (set (pc) (reg)) to
11148 (set (pc) (label_ref)), verify the change creates a valid insn.
11150 * fr30.c (call_operand): Tighten and rework to match rules for
11151 call RTL expressions.
11152 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
11153 * fr30.md (call patterns): Improve constraints.
11155 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
11157 * fr30.c (fr30_expand_epilogue): Revert last change.
11158 Use emit_jump_insn for the return insn.
11160 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
11161 Stan Cox <scox@cygnus.com>
11163 * predict.c: New file. Preliminary infrastructure work for static
11164 branch prediction and basic block reordering.
11165 * basic-block.h: Add prototype for estimate_probability.
11166 * Makefile.in: Add rules for predict.o.
11168 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
11170 * fixincludes (va_list): Use __not_va_list__ for the dummy.
11171 * fixinc/*: Likewise.
11173 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11175 * cccp.c: PROTO -> PARAMS.
11176 * cexp.y: Likewise.
11177 * collect2.c: Likewise.
11178 * combine.c: Likewise.
11179 * convert.h: Likewise.
11181 * dbxout.c: Likewise.
11182 * dbxout.h: Likewise.
11183 * diagnostic.c: Likewise.
11184 * doprint.c: Likewise.
11185 * dwarf2out.c: Likewise.
11186 * dwarf2out.h: Likewise.
11187 * dwarfout.c: Likewise.
11188 * dwarfout.h: Likewise.
11189 * dyn-string.h: Likewise.
11191 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11193 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
11194 macro conditionals guarding use.
11196 * dwarf2out.c: Include "tm_p.h".
11198 * function.c (locate_and_pad_parm): Mark parameter with
11200 (expand_function_end): Likewise for variable `context'.
11202 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
11204 2000-01-13 Nick Clifton <nickc@cygnus.com>
11206 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
11207 register to prevent compile time warnings.
11209 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
11211 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
11212 to avoid -Wtraditional warning.
11214 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11216 * 1750a-protos.h: New file.
11218 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
11221 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
11224 * 1750a.md: Likewise.
11226 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11228 * a29k-protos.h: New file.
11230 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
11233 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
11236 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11238 * clipper-protos.h: New file.
11240 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
11243 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
11246 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11248 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
11250 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
11252 * configure.in (--enable-new-gxx-abi): New option.
11253 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
11254 * Makefile.in (GXX_ABI_FLAG): New variable.
11255 * configure: Regenerate.
11257 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11259 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
11260 * tm.texi (FORCE_STRUCT_BLK): Document.
11261 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
11263 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
11265 * config/ns32k/ns32k.md: Revert Jan 9 change.
11267 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
11268 to a mode-test, if the predicate is address_operand.
11270 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
11272 * combine.c (if_then_else_cond): Be careful about what kinds
11273 of RTL expressions are passed to operand_subword.
11275 * flow.c (split_edge): If we have to insert a new jump, make
11276 sure to associate it with a basic block.
11278 * flow.c (commit_one_edge_insertion): A block with one successor
11279 can end in a JUMP_INSN that is not a simplejump.
11281 2000-01-12 Robert Lipe <robertl@sco.com>
11283 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
11284 (BUILD_VA_LIST_TYPE): Define.
11285 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
11288 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
11290 * cccp.c (do_pragma): Add cast to (char *).
11292 2000-01-12 Richard Henderson <rth@cygnus.com>
11293 Fred Fish <fnf@be.com>
11294 Jason Merrill <jason@cygnus.com>
11296 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
11297 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
11298 * i386/beos-elf.h, i386/beos-pe.h: New files.
11300 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
11301 * cross-make (SYSTEM_HEADER_DIR): Define using
11302 CROSS_SYSTEM_HEADER_DIR.
11304 * gcc.c (LIBRARY_PATH_ENV): Provide default.
11305 (process_command): Use it.
11306 (main): Likewise. Kill trailing = from env vars.
11307 (build_search_list): Put it back.
11308 * collect2.c (main): Use LIBRARY_PATH_ENV.
11310 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
11311 * toplev.c: Use NEED_DECLARATION_ENVIRON.
11313 * tm.texi (Frame Layout): Document SMALL_STACK.
11314 * c-common.c (c_common_nodes_and_builtins): Check it.
11316 * system.h: Undef alloca after including glibc's <stdlib.h>,
11317 if USE_C_ALLOCA is defined.
11319 * gcc.c (set_input): New fn.
11320 (main): After all input files are compiled, reset the input file
11323 * aclocal.m4 (rindex, index): If already defined, don't attempt
11326 * ginclude/varargs.h: (__va_list__): Define ifndef.
11327 * ginclude/stdarg.h: Likewise.
11329 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
11330 instead of unsigned char.
11332 * hash.h (true, false, boolean): Undef before enum.
11334 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
11335 proper type of "HOST_WIDE_INT *", rather than their natural type of
11336 "unsigned HOST_WIDE_INT *".
11338 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11340 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
11342 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
11344 * regclass.c (choose_hard_reg_mode): Likewise.
11346 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
11348 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
11350 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11352 * c-common.c: PROTO -> PARAMS.
11353 * c-common.h: Likewise.
11354 * c-decl.c: Likewise.
11355 * c-iterate.c: Likewise.
11356 * c-lang.c: Likewise.
11357 * c-lex.c: Likewise.
11358 * c-lex.h: Likewise.
11359 * c-parse.in: Likewise.
11360 * c-pragma.c: Likewise.
11361 * c-pragma.h: Likewise.
11362 * c-tree.h: Likewise.
11363 * c-typeck.c: Likewise.
11364 * objc/objc-act.c: Likewise.
11365 * objc/objc-act.h: Likewise.
11367 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11369 * m88k-protos.h: New file.
11371 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
11374 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
11376 * m88k.md: Likewise.
11378 * tekXD88.h: Likewise.
11380 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11382 * m68k-protos.h: New file.
11384 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
11387 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
11389 * mot3300.h: Likewise.
11391 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
11393 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
11395 (extract_bitlist): Declare bitlen.
11397 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
11399 * cccp.c: Accept and ignore -lang-fortran.
11401 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
11402 qualifiers don't match at any level of pointerness.
11404 2000-01-12 Robert Lipe <robertl@sco.com>
11406 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
11408 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
11410 * reload1.c (reload_reg_unavailable): New static variable.
11411 (reload_reg_free_p): Test it.
11412 (reload_reg_free_for_value_p): Test it instead of
11414 (choose_reload_regs_init): Compute it.
11416 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
11418 * reorg.c (fill_slots_from_thread): Check modified_in_p
11421 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
11423 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
11424 these nodes even if INTERNALS is not set.
11426 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
11428 * gcse.c (delete_null_pointer_checks_1): Cope when
11429 get_condition cannot determine the condition.
11431 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
11433 * toplev.h (set_message_length): Declare.
11435 * diagnostic.c (obstack_chunk_alloc): Define macro.
11436 (obstack_chunk_free): Likewise.
11437 (struct output_buffer): New data structure.
11438 (vmessage): Remove.
11439 (output_maximum_width): New variable.
11440 (doing_line_wrapping, set_message_length, init_output_buffer,
11441 get_output_prefix, output_space_left, emit_output_prefix,
11442 output_newline, output_append, output_puts, dump_output,
11443 vbuild_message_string, build_message_string, build_location_prefix,
11444 voutput_notice, output_printf, line_wrapper_printf,
11445 vline_wrapper_message_with_location): New functions. Implement
11446 automatic line wrapping.
11447 (v_message_with_decl): Make it handle automatic line wrapping.
11448 (v_error_with_file_and_line): Likewise.
11449 (v_warning_with_file_and_line): Likewise.
11450 (announce_function): Likewise.
11451 (default_print_error_function): Likewise.
11453 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
11455 * cpplib.h (struct cpp_options): Change lang_asm to char.
11457 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
11458 done in cpp_handle_option now.
11459 (initialize_builtins): Take out special case code used only by
11461 (cpp_handle_option): Turn off trigraphs and trigraph warnings
11462 if -traditional. Recognize -lang-fortran and set
11463 lang_fortran, also turn off cplusplus_comments.
11464 (print_help): Document -lang-fortran.
11465 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
11466 lang_asm. Ignore all directives other than `# 123 "file"' if
11468 (cpp_get_token): If -traditional, don't recognize directives
11469 unless the # is in column 1.
11470 (parse_string): If lang_fortran or lang_asm, silently
11471 terminate strings ('' or "") at end of line.
11472 Remove unnecessary braces.
11474 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11475 Richard Henderson <rth@cygnus.com>
11477 * resource.c (mark_referenced_resources): Mark a set strict_low_part
11479 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
11480 strict_low_part when possible.
11482 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11484 * alias.c: PROTO -> PARAMS.
11485 * basic-block.h: Likewise.
11486 * bitmap.c: Likewise.
11487 * bitmap.h: Likewise.
11488 * builtins.c: Likewise.
11489 * c-aux-info.c: Likewise.
11490 * caller-save.c: Likewise.
11491 * calls.c: Likewise.
11493 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11495 * Makefile.in (toplev.o): Depend on regs.h.
11497 * output.h (tdesc_section): Prototype.
11499 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
11501 * sdbout.c: Include "tm_p.h".
11503 * toplev.c: Include "regs.h".
11505 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
11507 * unroll.c (unroll_loop): Add EH support.
11509 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11511 * pa-protos.h: New file.
11513 * pa.c: Include recog.h and tm_p.h.
11514 (compute_zdepwi_operands, compute_movstrsi_length,
11515 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
11516 find_addr_reg, import_milli): Add static prototypes.
11517 (pa_cpu_string, pa_arch_string): Constify a char*.
11518 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
11519 (read_only_operand): Add argument `mode'.
11520 (singlemove_string, output_move_double, output_fp_move_double,
11521 output_block_move, output_and, output_ior, output_ascii,
11522 remove_useless_addtr_insns, milli_names, output_mul_insn,
11523 output_div_insn, output_mod_insn, output_arg_descriptor,
11524 output_cbranch, output_bb, output_bvb, output_dbra, ,
11525 output_millicode_call, output_call, hppa_encode_label,
11526 output_parallel_movb, output_parallel_addb): Constify a char*.
11527 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
11528 (output_parallel_addb): Remove extra arg to `constrain_operands'
11530 * pa.h: Move all prototypes to pa-protos.h.
11531 (pa_cpu_string, pa_arch_string): Constify a char*.
11532 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
11534 * pa.md: Call `function_label_operand' with mode argument.
11535 Likewise for `read_only_operand'.
11536 Fix nesting of parens in call to `symbolic_operand'.
11538 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11540 * i860-protos.h: New file.
11542 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
11545 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
11547 * i860.md: Likewise.
11549 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
11551 * i386.md (movstrsi expander): Rewrite.
11552 (movstrsi_1 insn): Deleted.
11553 (strmovhi, strmovqi expander): New expanders.
11554 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
11555 * i386.c (x86_single_stringop): New global variable.
11556 * i386.h (x86_single_stringop): Declare.
11557 (TARGET_SINGLE_STRINGOP): New macro.
11559 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11561 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
11562 integer vararg POSTINCREMENT before the destination of the jump
11563 for the hard fp case.
11564 (function_arg_pass_by_reference): Pass a copy of CUM to
11567 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
11568 for CONSTANT_ADDRESS_P above while loop for subreg.
11570 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11572 * flow.c (propagate_block): When a prologue/epilogue insn
11573 is marked dead, unconditionally clear libcall_is_dead and
11574 insn_is_dead, and only dump rtl if warnings aren't being
11577 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
11579 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
11580 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
11581 (FIXED_REGISTERS): Set dirflag as fixed.
11582 (CALL_USED_REGISTERS): Set dirflag as used.
11583 (REG_ALLOC_ORDER): Set dirflag as last one.
11584 (DIRFLAG_REG): New macro.
11585 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
11586 (HI_REGISTER_NAMES): Add dirflag.
11587 (DEBUF_PRINT_REG): Handle dirflag.
11588 * i386.md (type attribute): New cld and str types.
11589 (length_opcode attribute): Set cld and str to 1.
11590 (memory attribute): Set str to unknown - it is not clear from the
11592 (pent_np function unit): Prefixed string operations takes 12 cycles
11593 minimally; cld takes 2 cycles.
11594 (ppro_uops attribute): Str is "many" and cld is "few".
11595 (ppro_p0 unit): Handle cld here.
11596 (k6_alux unit): Handle cld and str types.
11597 (k6_load unit): It is ocupied by str opcodes.
11598 (k6_store unit): It is ocupied by str opcodes.
11599 (athlon_decode): Str is vector decoded.
11600 (athlon_ieu): Handle str and cld.
11601 (cld pattern): New.
11602 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
11603 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
11604 cmpstrsi_nz_1 insn): Do not output cld instruction
11606 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
11608 * gcc.texi (G++ and GCC): Add Java and Chill.
11609 (Bug Critera): Don't list languages.
11611 * gcc.texi (Incompatibilities): No longer claim most C compilers
11614 * gcc.texi (G++ and GCC): Update other front-ends list.
11616 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
11618 * i386.c (ix86_expand_setcc): Fix typo.
11619 (ix86_expand_movcc): Similarly.
11621 * Band-aid until haifa's bitset implementation is nuked.
11622 * haifa-sched.c (extract_bitlst): New parameter for size of the
11623 bitset in bits. All callers changed. Avoid looking at undefined
11624 bits in the bitset.
11625 (edgeset_bitsize): New variable.
11626 (schedule_region): Initialize edgeset_bitsize.
11628 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11630 * Makefile.in (optabs.o): Depend on real.h
11631 (resource.o): Depend on insn-attr.h
11633 * builtins.c (result_vector): Wrap prototype in macro conditions
11634 governing definition and use.
11636 * c-common.c: Include tm_p.h.
11638 * c-lex.c: Likewise.
11640 * elfos.h: Constify a char*.
11642 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
11643 (get_attr_length, shorten_branches, profile_after_prologue): Mark
11644 parameter with ATTRIBUTE_UNUSED.
11646 * fold-const.c (exact_real_inverse): Wrap variable `i' in
11649 * haifa-sched.c (schedule_insns): Mark parameter with
11652 * optabs.c: Include real.h.
11654 * real.h (ereal_atof): Add prototype arguments.
11656 * resource.c: Include insn-attr.h.
11658 * sdbout.c (sdbout_queue_anonymous_type,
11659 sdbout_dequeue_anonymous_types): Wrap in macro
11660 SDB_ALLOW_FORWARD_REFERENCES.
11661 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
11664 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
11666 * stupid.c: Include tm_p.h.
11668 * tree.c (real_value_from_int_cst): Mark parameter with
11671 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11673 * i960-protos.h: New file.
11675 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
11678 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
11680 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11682 * combine.c (expand_field_assignment): Do not discard SUBREGs
11683 while computing nonzero_bits.
11685 2000-01-09 Nick Clifton <nickc@cygnus.com>
11687 * config/arm/arm.c: Fix compile time warnings about signed vs
11688 unsigned constants.
11689 * config/arm/arm.h: Fix compile time warnings about signed vs
11690 unsigned constants.
11692 2000-01-09 Philip Blundell <philb@gnu.org>
11694 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
11695 than `ldm' with only one register.
11696 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
11699 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
11702 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
11704 * config/ns32k/ns32k.md (load or push effective address): Operand 1
11707 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11709 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
11710 assignment used as truth value.
11712 * function.c (assign_temp): Mark parameter `dont_promote' with
11713 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
11714 PROMOTE_FOR_CALL_ONLY.
11716 * genrecog.c (write_subroutine): Mark variable `operands' with
11719 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
11722 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
11723 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
11725 * toplev.c (note_deferral_of_defined_inline_function): Likewise
11728 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11730 * config/c4x.h: Tidy up comments.
11731 * config/c4x.c: Likewise.
11733 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
11735 * fold-const.c (lshift_double, rshift_double): Handle
11736 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
11738 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11740 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
11741 in prepare_function_start().
11743 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
11745 * config/v850/v850.c (expand_epilogue): Interrupt functions no
11746 longer allocate extra stack for function calls.
11748 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11750 * config/c4x/c4x.md (*subqf3_set): Fix typo.
11752 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11754 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
11756 2000-01-07 David Edelsohn <edelsohn@gnu.org>
11758 * rs6000.c (processor_target_table): Add power3 as alias for 630.
11759 * aix43.h: Revert Aug 2 change.
11760 (HAS_INIT_SECTION): Define, not visible yet.
11761 (LD_INIT_SWITCH): Define, not visible yet.
11762 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
11764 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
11766 * collect2.c (main): Expand ld2 size further.
11767 (export_object_lst): Cast assignment to avoid warning.
11768 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
11769 (scan_prog_file, COFF): Do not collect initialization or
11770 finalization functions generated for entire shared object if
11771 init/fini support present.
11773 2000-01-07 Nick Clifton <nickc@cygnus.com>
11775 * config/elfos.h: Tidy up formatting of marcos. Make sure
11776 that .section directives are always prefixed by a tab.
11778 * config/svr4.h: Add #include "elfos.h" and remove duplicate
11781 2000-01-07 Matt Austern <austern@sgi.com>
11783 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
11786 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
11788 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
11790 (crtbegin.o, s-crtS): Likewise.
11792 2000-01-06 Richard Henderson <rth@cygnus.com>
11794 * alpha.md (adddi_2+1): Limit offset such that it will be
11795 loadable with a single ldah+lda pair.
11796 (adddi_2+2): Explicitly fail split if we can't make it work.
11798 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
11800 * protoize.c: Conditionally include unistd.h.
11801 (IS_SAME_PATH_CHAR): New macro.
11802 (IS_SAME_PATH): New macro.
11803 (CPLUS_FILE_SUFFIX): New macro.
11804 (cplus_suffix): New static variable.
11805 (is_abspath): New static function.
11806 (in_system_include_dir): Handle DOS style pathnames.
11807 (file_could_be_converted): Likewise.
11808 (file_normally_convertible): Likewise.
11809 (directory_specified_p): Likewise.
11810 (file_excluded_p): Likewise.
11811 (abspath): Likewise.
11812 (shortpath): Likewise.
11813 (referenced_file_is_newer): Likewise.
11814 (save_def_or_dec): Likewise.
11815 (do_processing): Likewise.
11817 (edit_file): Likewise. Use rename instead of link.
11818 (rename_c_file): Likewise. Don't rename syscalls file.
11819 (munge_compile_params): Define null device for DOS based systems.
11820 (process_aux_info_file): Use binary mode if appliable.
11821 (edit_file): Likewise.
11822 * invoke.texi (Running Protoize): Document C++ suffixes used.
11824 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
11825 IS_DIR_SEPARATOR macros.
11826 * collect2.c: Likewise.
11827 * cppinit.c: Likewise.
11828 * dwarf2out.c: Likewise.
11830 * gcov.c: Likewise.
11831 * prefix.c: Likewise.
11833 * toplev.c: Likewise.
11834 * system.h: And move to here.
11836 * prefix.c (update_path): Fix typo in variable name.
11838 2000-01-06 Richard Henderson <rth@cygnus.com>
11840 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
11841 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
11842 (count_reg_sets_1, count_reg_references): Likewise.
11843 (flow_loops_level_compute): Start counting actual loop depth at 1.
11844 (flow_loops_find): Likewise.
11845 * local-alloc.c (update_equiv_regs): Likewise.
11846 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
11848 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11850 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
11851 FIRST_PSEUDO_REGISTER
11852 * dwarf2out.c: Don't include frame.h
11853 * dwarfout.c: Likewise
11854 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
11857 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
11859 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
11862 * i386.c (movsf splitter): Fix typo in my last checkin.
11864 2000-01-05 Nick Clifton <nickc@cygnus.com>
11866 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
11867 own definition of this macro.
11868 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
11869 flag_data_sections or UNIQUE_SECTION_P are true.
11871 * tm.texi (UNIQUE_SECTION): Document that it can be called for
11872 unitialised data decls.
11874 * config/i386/winnt.c (i386_pe_unique_section): Cope with
11875 being called for uninitialised data.
11877 * config/i386/interix.c (i386_pe_unique_section): Cope with
11878 being called for uninitialised data.
11880 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
11881 for uninitialised data.
11883 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
11884 for uninitialised data.
11886 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
11887 for uninitialised data.
11889 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
11890 (UNIQUE_SECTION_P): Always generate a unique section if
11891 flag_data_sections is true.
11892 (UNIQUE_SECTION): Also generate unique sections for
11893 uninitialised data.
11894 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
11895 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
11898 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11900 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
11903 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11905 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
11906 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
11907 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
11908 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
11909 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
11911 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
11913 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
11915 * c-decl.c (finish_enum): Simplify code to determine minimum and
11916 maximum values of the enum, and calculate the type. Remove check
11917 for FUNCTION_DECLs in the values list, which cannot happen. Replace
11918 the DECL_INITIAL of each enumeration constant with a copy converted
11919 to the enumeration type. When updating variant types, don't bother
11920 updating the type itself.
11922 * c-typeck.c (build_binary_op): Simplify conditional expressions
11923 when weeding out spurious signed-unsigned warnings. Add new
11924 spurious warning category: if the unsigned quantity is an enum
11925 and its maximum value fits in signed_type(result_type). Update
11927 (build_conditional_expr): Warn here if one alternative is signed
11928 and the other is unsigned.
11930 2000-01-05 Nick Clifton <nickc@cygnus.com>
11932 * config/fr30/fr30.h: Remove extraneous comments.
11934 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
11936 * reload1.c (choose_reload_regs): When disabling a reload, also
11937 set reload_spill_index to -1.
11939 2000-01-04 Joel Sherrill (joel@OARcorp.com>
11941 * configure.in (m68*-*-rtemscoff*): New target, formal name for
11943 (m68*-*-rtemself*): New target.
11944 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
11945 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
11946 (sparc*-*-rtemself*): New target.
11947 (sparc*-*-rtems*): Now elf not a.out.
11948 * config/i386/rtems.h: Include config/rtems.h.
11949 * config/i386/rtemself.h: Include config/rtems.h.
11950 * config/i960/rtems.h: Include config/rtems.h.
11951 * config/m68k/rtems.h: Include config/rtems.h.
11952 * config/m68k/rtemself.h: Include config/rtems.h.
11953 * config/mips/rtems64.h: Include config/rtems.h.
11954 * config/pa/rtems.h: Include config/rtems.h.
11955 * config/rs6000/rtems.h: Include config/rtems.h.
11956 * config/sh/rtems.h: Include config/rtems.h.
11957 * config/sh/rtemself.h: Include config/rtems.h.
11958 * config/sparc/rtems.h: Include config/rtems.h.
11959 * config/sparc/rtemself.h: Include config/rtems.h
11961 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
11963 * final.c (shorten_branches): Correctly compute length of
11964 asms without operands.
11966 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
11968 * configure.in: Add pj target.
11969 * configure: Regenerate.
11970 * config/pj: New directory.
11971 * config/pj/lib1funcs.S: New file.
11972 * config/pj/linux.h: New file.
11973 * config/pj/pj.c: New file.
11974 * config/pj/pj.md: New file.
11975 * config/pj/pjl.h: New file.
11976 * config/pj/t-pj: New file.
11977 * config/pj/xm-pj.h: New file
11979 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
11981 * toplev.c (rest_of_compilation): Run shorten-branches before
11984 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11986 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
11987 macros so that they're consistent with their names.
11988 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11989 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11991 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11993 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
11994 modified inadvertently.
11996 2000-01-04 Joel Sherrill <joel@OARcorp.com>
11998 * configure.in (v850*-*-rtems*): New target.
11999 * configure: Regenerate.
12000 * config/v850/rtems.h: New file.
12002 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
12004 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
12005 (__gthread_key_create): Likewise.
12006 (__gthread_key_dtor): Likewise.
12007 (__gthread_once): Fix logic.
12008 (__gthread_key_delete): Cast away constness.
12010 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
12011 * invoke.texi: Document.
12012 * i386/mingw32.h (CPP_SPEC): Use.
12013 (LIBGCC_SPEC): Likewise.
12014 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
12016 2000-01-04 David Edelsohn <edelsohn@gnu.org>
12018 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
12019 (HANDLE_PRAGMA_PACK): Undefine.
12020 (SLOW_UNALIGNED_ACCESS): Define.
12022 2000-01-04 David Edelsohn <edelsohn@gnu.org>
12024 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
12025 to default definition.
12026 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
12027 (store_fixed_bit_field): Call macro with word_mode and alignment.
12028 (extract_bit_field): Call macro with relevant mode and alignment.
12029 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
12030 to default definition.
12031 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
12033 (move_by_pieces_ninsns): Likewise.
12034 (clear_by_pieces): Likewise.
12035 (emit_push_insn): Likewise.
12036 (store_field): Call macro with relevant mode and alignment.
12037 (expand_expr): Likewise.
12038 (expand_expr_unaligned): Likewise.
12040 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
12041 (SLOW_UNALIGNED_ACCESS): Define.
12042 (CASE_VECTOR_MODE): Always use 32-bit offsets.
12043 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
12044 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
12045 (toc_section): Likewise and .toc pseudo-op.
12046 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
12048 (TEXT_SECTION_ASM_OP): Likewise.
12049 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
12052 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
12053 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
12054 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
12055 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
12056 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
12058 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
12060 * regclass.c: Revert my Jan 4 change to loop cost computation.
12062 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12064 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
12067 2000-01-04 Stan Cox <scox@cygnus.com>
12069 * haifa-sched.c (build_control_flow): Change unreachable simple
12070 loop test to check if current block has only one predecessor.
12071 (find_rgns): Initialize degree. Use dest as degree index, not src.
12073 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12075 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
12077 * calls.c (expand_call): Likewise for
12078 `old_stack_arg_under_construction'.
12080 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
12082 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
12085 * gcc.c (execute): Likewise for `ut' and `st'.
12087 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
12089 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
12091 * jump.c (jump_optimize_1): Likewise for `temp2'.
12093 * local-alloc.c (block_alloc): Likewise for `r1'.
12095 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
12097 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
12098 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
12100 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
12103 * reload.c (find_reloads): Likewise for `goal_alternative_number'
12104 and `goal_earlyclobber'.
12106 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
12108 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
12110 * stupid.c (stupid_life_analysis): Likewise for `chain'.
12112 * unroll.c (copy_loop_body): Likewise for `copy'.
12114 * varasm.c (output_constructor): Likewise for `byte'.
12116 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12118 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
12119 all FP constants for constant->reg moves.
12120 (ix86_split_to_parts): Try to convert memory address into immediate
12121 when available in the constant pool.
12122 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
12124 (LEGITIMATE_CONSTANT_P): Return 1.
12125 * i386.md (pushsf): New splitter to convert constant pool memory
12126 reference to immediate.
12127 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
12130 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
12132 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
12133 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
12134 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
12135 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
12136 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
12138 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
12140 * ginclude/stdbool.h: Support compilation as C++.
12142 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12144 * fold-const.c (make_range): Don't try to reverse an unbounded range.
12146 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
12148 * regclass.c (regclass): Properly compute loop_cost. Adjust
12151 * regclass.c: Fix minor whitespace problems.
12153 2000-01-03 Anthony Green <green@cygnus.com>
12155 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
12156 Restore the pic register if required.
12158 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
12160 * c-common.c (format_char_info): Update comment.
12161 (check_format_info): Recognize 'z' modifier in the same way 'Z'
12162 was recognized. Emit warning for formats new in ISO C99 only
12163 if flag_isoc9x is not set.
12165 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
12167 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
12169 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12171 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
12172 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
12173 (make_compound_operation): Choose cheaper alternative between
12174 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
12176 * regclass.c (op_costs): Remove global variable.
12177 (record_reg_classes): New parameter "op_costs" and "reg_pref".
12178 (record_operand_costs): Break out from ...
12179 (scan_one_insn): ... here.
12180 (dump_regclass): Make dumps nicer.
12181 (regclass): Dump preferrences choosed and changes done during passes.
12183 2000-01-03 Jakub Jelinek <jakub@redhat.com>
12185 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
12187 2000-01-03 Jakub Jelinek <jakub@redhat.com>
12189 * config/sparc/sparc.c (gen_df_reg): New function.
12190 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
12191 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
12192 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
12193 movtf_cc_reg_sp64+1): Use it.
12195 2000-01-02 Mark Mitchell <mark@codesourcery.com>
12197 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
12198 copied LABEL_DECLs.
12200 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
12202 * config/i386/i386.c (ix86_expand_unary_operator): Function
12203 definition made void.
12204 (ix86_expand_binary_operator): Update outdated preceding comment.
12205 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
12208 * config/i386/i386.c (override_options): Fix option-name typo.
12210 2000-01-02 Mark Mitchell <mark@codesourcery.com>
12212 * system.h (CEIL): Define.
12213 * builtins.c (CEIL): Remove.
12214 * expmed.c (CEIL): Likewise.
12215 * expr.c (CEIL): Likewise.
12216 * stor-layout.c (CEIL): Likewise.
12218 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12220 * expr.c (store_constructor_field): Fix typo introduced with last
12223 2000-01-01 Mark Mitchell <mark@codesourcery.com>
12225 * tree.h (BINFO_N_BASETYPES): New macro.
12227 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
12229 * expmed.c (emit_store_flag): Prevent losing a pending stack
12230 adjust the same way we prevent losing queued increments.
12232 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12234 * function.c (update_temp_slot_address): Handle case where sum of
12235 temporary address plus offset in register is a valid address.
12237 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12239 * genrecog.c (change_state) Corrected typo.
12241 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12243 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
12244 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
12245 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
12247 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
12249 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
12250 case, expand GT comparisons correctly. Fix a comment before this
12253 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
12255 * dwarfout.c: Include "frame.h"
12256 * dwarf2out.c: Likewise.
12257 * Makefile.in (dwarfout.o): Depend on frame.h
12258 (dwarf2out.o): Likewise.
12260 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
12262 Restore i386 binary compatibility in Dwarf EH info.
12263 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
12264 value of FIRST_PSEUDO_REGISTER.
12265 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
12266 (struct frame_state): Use DWARF_FRAME_REGISTERS.
12267 * dwarfout.c (output_reg_number): Ditto.
12268 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
12269 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
12271 1999-12-29 Bruce Korb <autogen@linuxbox.com>
12273 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
12274 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
12275 (<hack>_RE_CT): not needed
12276 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
12277 rewritten to scan the file text once only
12278 "template<..." test added
12279 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
12280 (is_cxx_header): declaration added
12281 * fixinc/fixtests.c(is_cxx_header): removed
12282 (apply_fix_p_t): removed
12283 (double_slash_test): is_cxx_header is only called once now
12284 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
12285 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
12286 within the templates.
12287 The borken spelling of "broken" was fixed.
12288 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
12289 The default level depends on FIXINC_DEBUG.
12291 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12293 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
12294 Otherwise provide a declaration for atexit.
12295 (init_dummy): Make sure dummy call to atexit is nevertheless
12296 called with correct number of args.
12298 * frame.c: Update comments referring to other files.
12300 * libgcc2.c: Likewise.
12302 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12304 * cse.c (free_element, get_element): Remove unused prototypes.
12306 * fold-const.c (extract_muldiv): Initialize variables `op0' and
12309 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
12312 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
12314 * configure.in,configure: case arm for mn10200-*-* now sets
12315 float_format=i32 so that float.h will correctly claim "double"
12316 to be 32 bits. Ran autoconf to generate configure from .in file.
12318 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
12320 * pa.md (conditional zero): If op1 is a register, force it into
12321 the same register as op0.
12323 1999-12-28 Mark Mitchell <mark@codesourcery.com>
12325 * tree.h (BINFO_BASETYPES): Improve documentation.
12327 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12329 * configure.in (--enable-checking): Use a more portable `for'
12332 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12334 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
12335 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
12337 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
12340 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
12341 Delete descriptions.
12343 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
12344 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
12345 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
12346 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
12347 xm-svr4.h: Remove all instances of sys_siglist handling.
12349 1999-12-27 Jakub Jelinek <jakub@redhat.com>
12351 * config/sparc/sparc.md (cmp_zero_qi,
12352 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
12353 cmp_zero_extendqidi2_andcc_set): New patterns.
12355 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
12357 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
12358 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
12359 (fpgnulib.c, xfgnulib.c): Add rules.
12360 * m68k/t-mot3300-gas: Likewise.
12362 1999-12-27 Ian Lance Taylor <ian@zembu.com>
12364 * configure.in: Avoid [[ by using test and changequote. Add
12365 changequote required by 1999-12-14 change.
12366 * configure: Rebuild.
12368 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
12370 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
12372 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
12374 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
12375 * flow.c (find_use_as_address): Likewise.
12376 * function.c (fixup_var_refs_1): Likewise.
12377 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
12378 * jump.c (invert_exp, redirect_exp): Likewise.
12379 * loop.c (replace_call_address): Likewise.
12380 (count_nonfixed_reads): Likewise.
12381 * rtlanal.c (modified_between_p): Likewise.
12382 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
12383 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
12384 * unroll.c (remap_split_bivs): Likewise.
12386 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12388 * diagnostic.c (v_message_with_decl): Use .* format specifier
12389 instead of building the format specifier width manually.
12391 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
12392 determining whether to provide a prototype. Remove the
12393 sys_siglist clause in the conditional.
12395 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12397 * fold-const.c (operand_equal_p): Use memcmp to compare string
12399 Suggested by D. J. Bernstein
12401 1999-12-17 Jakub Jelinek <jakub@redhat.com>
12403 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
12404 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
12406 * config/mips/mips.h (TARGET_64BIT): Likewise.
12407 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
12408 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
12409 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
12410 dsps. Give routines proper names if SI/DI modes are not used.
12411 * longlong.h: Use DWunion instead of DIunion.
12413 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
12415 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
12416 GC_CHECKING, GC_ALWAYS_COLLECT.
12417 * configure.in: Allow --enable-checking with an argument
12418 listing check modes to enable.
12419 * config.in, configure: Rebuilt.
12420 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
12421 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
12422 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
12423 ENABLE_GC_ALWAYS_COLLECT.
12424 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
12426 * tree.h, tree.c: Change ENABLE_CHECKING to
12427 ENABLE_TREE_CHECKING throughout.
12429 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12431 * fold-const.c (fold_truthop): Properly check for FP RHS.
12433 1999-12-24 Mark Mitchell <mark@codesourcery.com>
12435 * toplev.h (note_deferall_of_defined_inline_function): Declare.
12436 * toplev.c (note_deferral_of_defined_inline_function): New
12437 function, split out from ...
12438 (rest_of_compilation): ... here. Use it.
12440 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12442 * expr.c (store_constructor): Don't call clear_storage if size is
12445 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12447 * Makefile.in (toplev.o): Depend on loop.h.
12449 * dwarfout.c: Include tm_p.h.
12451 * emit-rtl.c (restore_emit_status): Mark parameter with
12454 * final.c (final_scan_insn): Likewise.
12456 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
12457 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
12458 flow_depth_first_order_compute, flow_loop_pre_header_find,
12459 flow_loop_tree_node_add, flow_loops_tree_build,
12460 flow_loop_level_compute, flow_loops_level_compute,
12461 flow_loop_outside_edge_p): Add prototypes.
12462 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
12464 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
12465 Mark with ATTRIBUTE_NORETURN.
12467 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
12469 * local-alloc.c (no_conflict_p): Likewise.
12471 * loop.c (insert_bct): Hide definitions of variables with hidden
12473 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
12475 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
12476 with ATTRIBUTE_UNUSED.
12477 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
12478 (reg_scan): Likewise.
12480 * reload.c (find_reloads): Remove unused variables `changed'.
12482 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
12484 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
12485 Remove unused variable `insn'.
12487 * toplev.c: Include loop.h.
12488 (report_file_and_line): Remove unnecessary prototype.
12490 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
12492 * unroll.c (biv_total_increment): Likewise.
12494 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12496 * reload1.c (emit_input_reload_insns): Restore old behaviour
12497 wrt. 'special' reloads.
12499 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
12501 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
12502 hash.h. (cse.c): Don't depend on hashtab.h.
12504 * cse.c: Don't include hashtab.h.
12505 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
12507 * ggc-simple.c: Don't include hash.h.
12509 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
12511 * dwarf2out.c (add_abstract_origin_attribute): Call
12512 gen_abstract_function on our function context.
12514 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
12516 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
12518 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12520 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
12523 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12525 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
12526 constraints to "a!r".
12528 1999-12-21 Mark Mitchell <mark@codesourcery.com>
12530 * Makefile.in (calls.o): Depend on function.h.
12531 (alias.o): Likewise.
12533 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
12535 * reload1.c (emit_reload_insns): Break out code and variables into...
12536 (input_reload_insns, other_input_address_reload_insns,
12537 other_input_reload_insns, input_address_reload_insns,
12538 inpaddr_address_reload_insns, output_reload_insns,
12539 output_address_reload_insns, outaddr_address_reload_insns,
12540 operand_reload_insns, other_operand_reload_insns,
12541 other_output_reload_insns): ... new static variables, and...
12542 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
12543 do_output_reload): ... new functions.
12545 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12547 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
12549 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12551 * md.texi: Add c4x constraints documentation.
12553 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12555 * config/i386/dgux.c (struct option): Rename to
12556 lang_independent_option.
12557 (struct m_options): Add description field.
12558 (output_options): Rename option type, add sep declaration, output
12559 ix86_cpu_string and ix86_arch_string only if set.
12560 (output_file_start): Rename option type.
12562 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
12564 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
12566 (libgcc2.a): Similarly.
12568 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
12570 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
12571 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
12572 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
12574 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
12576 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
12577 Remove redundant initialization of "frexpon" and "expon".
12579 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12581 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
12583 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
12584 (store_constructor_field, expand_expr): Pass new arg.
12586 1999-12-20 Mark Mitchell <mark@codesourcery.com>
12588 * Makefile.in (explow.o): Depend on function.h.
12590 * stor-layout.c (set_sizetype): Fix typo.
12592 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
12594 * function.c (cfun): Renamed from current_function. All users
12596 * function.h (cfun): Rename declaration as well.
12598 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
12599 to be of type regset_head, not regset. All users changed by adding
12601 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
12603 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12605 * config/c4x/rtems.h: New file.
12607 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
12609 * reload1.c (spill_failure): Take class of failed reload as argument
12610 and print it. Caller changed.
12612 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12614 * rs6000.h (SUBTARGET_DEFAULT): New macro.
12615 (TARGET_SWITCHES): Allow subtargets to default switches.
12616 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
12618 1999-12-18 Mark Mitchell <mark@codesourcery.com>
12620 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
12623 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
12625 * cccp.c (main): Define __STDC_VERSION__ as necessary.
12626 * cppinit.c (cpp_handle_option): Likewise.
12628 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
12629 determine when to define.
12631 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
12633 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
12634 cmove with mismatched test and data modes.
12636 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
12638 * c-typeck.c (c_expand_start_case): Don't warn for long switch
12641 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12643 * alias.c: Minor reformatting.
12644 * flow.c: Likewise.
12645 * regs.h: Likewise.
12646 * stor-layout.c: Likewise.
12647 * fold-const.c: Likewise.
12648 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
12649 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
12651 (size_int_wide): Cache nodes even if garbage collecting.
12652 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
12653 of SAVE_EXPR has no side effects.
12654 * cse.c: Move a comment.
12655 * tree.c: Minor reformatting.
12656 (int_size_in_bytes): Return -1 if constant overflows.
12658 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12660 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
12662 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
12664 * objc/objc-parse.c: Regenerate. This file must be rebuilt
12665 after any change to c-parse.in, even if objc-parse.y didn't
12668 1999-12-18 David S. Miller <davem@redhat.com>
12670 * toplev.c (rest_of_compilation): Restore BLOCK tree
12671 reconstruction and branch shortening changes lost in
12672 December 18th change.
12674 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
12676 * config/arm/linux-elf.h: Change all instances of
12677 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
12678 * config/arm/uclinux-elf.h: Likewise.
12680 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
12682 * toplev.c (notice, vmessage, v_message_with_file_and_line,
12683 v_message_with_decl, file_and_line_for_asm,
12684 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
12685 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
12686 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
12687 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
12688 pfatal_with_name, fatal_io_error, need_error_newline,
12689 last_error_function, last_error_tick, announce_function,
12690 default_print_error_function, print_error_function,
12691 report_error_function, fnotice, error_with_file_and_line,
12692 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
12693 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
12694 warning_with_decl, warning_for_asm, warning, pedwarn,
12695 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
12697 (compile_file): Use fnotice instead of notice. Adjust call.
12699 * diagnostic.c: New file.
12701 * Makefile.in (OBJS): Include diagnostic.o
12702 (diagnostic.o): Define dependence.
12704 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12706 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
12709 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12711 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
12713 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
12715 * fixtests.c (is_cxx_header): New fn, split out of
12717 (else_endif_label): Allow "#endif // comment" in C++ headers,
12718 as determined by is_cxx_header.
12719 * fixfixes.c (else_endif_label_fix): Update comment.
12720 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
12722 * genfixes: Correct double thinko in commandline parsing.
12723 * hackshell.tpl: Generate correct sh syntax for bypass
12726 * inclhack.def (all): Whenever an inserted preprocessor
12727 conditional is split over multiple lines, use double
12728 backslashes in this file so the fixed header will be readable.
12730 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
12731 and add bypass entry for correct version of this header.
12732 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
12733 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
12735 (hpux8_bogus_inlines): New fix, split from...
12736 (ultrix_atof_param) ... here.
12737 (math_expression): Add bypass entry keyed to glibc comment
12738 indicating the problem has been dealt with; disable
12739 unnecessary sed operations; update commentary.
12740 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
12741 add select and bypass entries, simplify shell operation.
12742 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
12744 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
12745 ultrix_atof_param): Add select entry.
12746 (stdio_va_list, sunos_mather_decl): Add bypass entry.
12747 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
12748 comments with the fixes they describe.
12750 * c-parse.in (string action): Do not warn about ANSI string
12751 concatenation in system headers. Affects C parser only.
12752 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
12754 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12756 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
12757 compiling libgcc2 the macro depends always on arch cpp defines.
12759 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
12761 * loop.c (insert_loop_mem): Don't record MEMs from inside
12764 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
12766 * regclass.c (regclass): Do not use flowgraph when not optimizing.
12768 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
12769 notes too, create one when replacement failed, attempt to simplify
12771 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
12772 or REG_EQUIV notes.
12774 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12776 * crtstuff.c (__dso_handle): Declare.
12777 (__cxa_finalize): Likewise.
12778 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
12781 * invoke.texi: Document -fuse-cxa-atexit.
12783 * tree.h (ptr_type_node): Document.
12784 (const_ptr_type_node): Likewise.
12786 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12788 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
12789 (optimize_reg_copy_2): Likewise.
12790 (optimize_reg_copy_3): Likewise.
12791 (fixup_match_2): Likewise.
12792 (regmove_optimize): Likewise.
12793 (fixup_match_1): Liekwise.
12795 * i386.md (HI to SImode promoting splitters): Rewrite.
12796 (pushsf mem peep2): New.
12797 (testhi to andhi peep2): Remove.
12798 * i386.h (x86_promote_QImode): New.
12799 (TARGET_PROMOTE_QImode): New.
12800 (PREDICATE_CODES): Add promotable_binary_operator.
12801 * i386.c (x86_promote_QImode0: New.
12802 (promotable_binary_operator): New.
12803 * i386-protos.h (promotable_binary_operator): New.
12805 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
12807 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
12809 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12811 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
12812 * function.c (insert_block_after_note): Remove.
12813 (retrofit_block): Likewise.
12814 (identify_blocks): Fix indentation.
12815 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
12816 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
12817 * function.h (insert_block_after_note): Remove prototype.
12818 (retrofit_block): Likewise.
12819 * integrate.c (expand_inline_function): Don't call
12820 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
12821 just expand_start_bindings. Use the block_map to remap old
12822 NOTE_BLOCKs to new ones.
12823 (integrate_decl_tree): Keep track of remapped blocks.
12824 * integrate.h (struct inline_remap): Add block_map.
12825 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
12826 NOTE_BLOCK on the notes.
12827 (expand_start_bindings): Rename to ...
12828 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
12829 (expand_end_bindings): Set NOTE_BLOCK.
12830 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
12831 reconstruct the BLOCK tree.
12832 * tree.h (expand_start_bindings): Macroize. Call ...
12833 (expand_start_bindings_and_block): New function.
12835 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12837 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
12838 to match the format.
12840 1999-12-16 David S. Miller <davem@redhat.com>
12842 * expr.c (emit_move_insn_1): Only emit clobbers if one of
12843 the outputs is a SUBREG.
12844 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
12847 * config/sparc/sparc.c (epilogue_renumber): Add default case
12850 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12852 * toplev.c (rest_of_compilation): Run branch shortening after
12855 * regclass.c (loop_depth): Remove
12856 (scan_one_insn): Do not handle LOOP_NOTE insns.
12857 (regclass): Go through basic blocks and set loop_cost
12859 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
12861 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
12863 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12865 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
12866 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
12867 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
12869 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
12871 * loop.c (insert_loop_mem): Ignore memory clobbers.
12873 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
12876 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
12878 * profile.c: Remove redundant #include "output.h".
12880 * h8300.md (HImode preinc peephole): Fix typo.
12882 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12884 * function.c (retrofit_block): Abort if we don't find a suitable insn.
12885 (insert_block_after_note): Abort if we don't have a previous block.
12886 Remove FN parameter.
12887 * function.h: Adjust.
12889 1999-12-15 Mark Mitchell <mark@codesourcery.com>
12891 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
12892 argument more than once.
12894 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12896 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
12898 1999-12-15 Jakub Jelinek <jakub@redhat.com>
12900 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
12902 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12904 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
12905 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
12906 update stack_alignment_needed.
12907 (prepare_function_start): Initialize stack_alignment_needed
12908 * function.h (struct function): Add field stack_alignment_needed.
12910 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12912 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
12913 Handle live_throughout / dead_or_set instead of live_before /
12915 (save_call_clobbered_regs): Get register livenessinformation from
12916 chain->live_throughout.
12917 (add_stored_regs): New function.
12918 (insert_restore, insert_save): Add restored / saved registers to
12920 * global.c (reg_dies): New parameter chain.
12921 (reg_becomes_live): Third parameter is regs_set now.
12922 Changed all callers.
12923 (reg_dies): New parameter chain. Changed all callers.
12924 (build_insn_chain): Set live_throughout instead of
12925 live_before / live_after.
12926 * reload.h (struct insn_chain): Replace members live_before /
12927 live_after with live_throughout / dead_or_set.
12928 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
12929 instead of live_before / live_after.
12930 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
12931 (order_regs_for_reload, find_reg, finish_spills): Likewise.
12932 (choose_reload_regs_init): Likewise.
12933 * stupid.c (current_chain, find_clobbered_regs): Delete.
12934 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
12935 instead of chain->live_before / chain->live_after.
12936 (mark_hard_ref): New function.
12937 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
12939 1999-12-15 David S. Miller <davem@redhat.com>
12941 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
12943 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12945 * flow.c (calculate_loop_depth): Make global, remove prototype,
12946 rewrite to use new loop infrastructure.
12947 (find_basic_block): Remove calculate_loop_depth call.
12948 * toplev.c (rest_of_compilation): Call find_basic_block.
12949 * output.h (calculate_loop_depth): Declare.
12951 * flow.c (dump_flow_info): Dump loop_depth.
12952 (flow_loops_nodes_find): Increase loop_depth for basic block in the
12954 (flow_loops_find): Initialize the loop_depth for each basic block.
12956 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12958 * tree.c (decl_function_context): Handle virtual functions.
12960 * tlink.c (scan_linker_output): Don't look in demangled name when
12961 looking for linker output keywords.
12963 * dwarfout.c (output_type): We can defer namespace-scope classes.
12965 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
12967 * regclass.c (record_reg_classes): Update comment for merging
12968 register class preferences in reg->reg copies. Tighten conditions
12969 for merging register class preferences in reg->reg copies.
12971 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
12973 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
12975 1999-12-14 Geoff Keating <geoffk@cygnus.com>
12977 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
12978 (INIT_SECTION_ASM_OP): Delete.
12979 (FINI_SECTION_ASM_OP): Delete.
12980 (STARTFILE_SPEC): Define to hold just crtbegin.o.
12982 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
12984 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
12985 the abstract origin wasn't emitted.
12987 * dwarf2out.c (class_scope_p): New fn.
12988 (gen_subprogram_die): Use it.
12989 (gen_variable_die): Use it. Tweak logic.
12990 (gen_struct_or_union_type_die): Check context_die to determine
12991 if we're function-local.
12992 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
12994 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12996 * loop.c (check_dbra_loop): Can't reverse a biv that has
12997 maybe_multiple set.
12999 1999-12-14 Nick Clifton <nickc@cygnus.com>
13001 * config/arm/arm.c: Add support for -mcpu=arm720 command line
13004 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13006 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
13007 for givs made from biv increments.
13009 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
13011 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
13012 * alpha.c (override_options): Recognize -mcpu=ev67.
13013 * alpha.h (CPP_CPU_EV67_SPEC): New.
13014 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
13015 (EXTRA_SPECS): Update.
13017 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
13019 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
13020 appropriate for -lang-c89 and -std=*.
13021 * cppinit.c (cpp_handle_option): Likewise.
13022 (new_pending_define): New, split out from cpp_handle_option.
13023 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
13024 or enable trigraphs for -ansi/-std=*.
13026 * ginclude/stdarg.h (__va_copy): New.
13027 (va_copy): Don't define for C89.
13029 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
13031 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
13032 for long long multiply-accumulate.
13034 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13036 * regclass.c (scan_one_insn): Set loop_cost to 1 when
13037 optimizing for size.
13039 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
13041 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
13042 if something changed. Back out that part of yesterday's changes.
13044 * loop.c (loop_max_reg): New static variable.
13045 (loop_optimize): Initialize it. Eliminate one unnecessary call to
13047 (scan_loop): Call reg_scan_update whenever we may have added new
13048 registers, and update loop_max_reg.
13050 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13052 * regclass.c (record_reg_classes): Do not do the copying preferrencing
13053 when source does not die.
13055 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
13057 1999-12-14 Jakub Jelinek <jakub@redhat.com>
13059 * config/sparc/linux64.h (TARGET_LIVE_G0,
13060 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
13062 * config/sparc/linux.h (TARGET_LIVE_G0,
13063 TARGET_BROKEN_SAVERESTORE): Likewise.
13064 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
13065 TARGET_BROKEN_SAVERESTORE): Likewise.
13067 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
13068 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
13070 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
13071 as sparc64 block profiling register.
13072 * config/sparc/sparc.c (sparc_override_options): Allow block
13073 profiling with -m32.
13074 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
13075 profiling register.
13076 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
13077 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
13078 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
13080 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
13082 * config/sparc/sparc.h: Likewise.
13083 * config/sparc/xm-sysv4-64.h: Likewise.
13084 * config/float-sparc.h: Likewise.
13085 * glimits.h: Likewise.
13086 * longlong.h: Likewise.
13088 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
13089 (ASM_IDENTIFY_GCC): Remove.
13091 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
13093 * combine.c (combine_simplify_rtx): Don't make shared rtl.
13094 (simplify_logical): Likewise.
13096 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
13098 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
13099 * cppfiles.c (INO_T_EQ): Likewise.
13101 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
13103 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
13104 * i386/mingw32.h (LIB_SPEC): Likewise.
13105 (STARTFILE_SPEC): Likewise.
13106 * i386/uwin.h (LIB_SPEC): Likewise.
13107 (STARTFILE_SPEC): Likewise.
13109 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
13110 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
13112 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
13114 * combine.c (combine_simplify_rtx): Fix order of checks for
13115 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
13117 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
13119 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
13120 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
13122 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
13124 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
13126 * regclass.c (inv_reg_alloc_order): New array.
13127 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
13129 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
13130 counted_for_groups, counted_for_nongroups. Add fields rld and
13132 * reload.c (push_secondary_reload): Don't set nongroup field of
13134 (push_reload): Likewise.
13135 (find_reloads): Delete code to compute nongroup fields.
13136 * reload1.c (reload_insn_firstobj): New static variable.
13137 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
13139 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
13140 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
13141 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
13143 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
13145 (struct hard_reg_n_uses): Deleted.
13146 (potential_reload_regs): Deleted.
13147 (init_reload): Initialize spilled_pseudos and pseudos_counted.
13148 (reload): Don't try to allocate reload registers if we already know
13149 we have to make another pass. Call select_reload_regs. Free memory
13150 starting with reload_firstobj when starting another pass.
13151 Don't allocate spilled_pseudos.
13152 (calculate_needs_all_insns): Call copy_reloads for an insn that
13153 needs reloads; don't call calculate_needs.
13154 (spill_cost): New static array.
13155 (used_spill_regs_local): New static variable.
13156 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
13157 to compute potential_reload_regs.
13158 (find_reload_regs): Completely rewritten to use find_reg.
13159 (allocate_reload_reg): Don't test counted_for_groups or
13160 counted_for_nongroups. Lose NOERROR arg and code to give an error;
13161 all cllers changed.
13162 (choose_reload_regs): Add fallback code that uses the existing
13163 register allocation from find_reload_regs.
13165 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
13167 * flow.c (create_edge_list): Cast xmalloc return value.
13169 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
13171 * doprnt.c: Remove incorrect comment closure.
13173 * cse.c: Fix a few minor whitespace goofs.
13175 1999-12-13 Don Bowman <don@pixstream.com>
13177 * mips/vxworks.h: Fix problem with comment termination.
13178 (EXTRA_SECTIONS): Add in_sbss.
13179 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
13181 1999-12-12 David S. Miller <davem@redhat.com>
13183 * cse.c (struct cse_reg_info): Add hash_next member,
13184 reorder rest of struct for better packing on 64-bit
13186 (cse_reg_info_tree): Kill.
13187 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
13188 REGHASH_FN): New custom pow2 hash mechanism.
13190 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
13191 use a pow2 hash table.
13192 (get_cse_reg_info): Rework to use new REGHASH.
13193 (new_basic_block): Likewise, use HASH_SIZE, and inline
13195 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
13196 and inline free_element call.
13197 (lookup_as_function, insert, flush_hash_table, invalidate,
13198 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
13199 invalidate_for_call, use_related_value, find_comparison_args,
13200 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
13201 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
13202 get_element): Kill.
13204 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
13206 * cse.c (cse_basic_block): Free qty_table consistently.
13208 1999-12-12 David S. Miller <davem@redhat.com>
13209 Jakub Jelinek <jakub@redhat.com>
13211 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
13212 SUBREGs by hand, gen the appropriate hard reg directly.
13213 (movtf reg/mem split): Likewise and alter_subreg on destination
13215 (movtf mem/reg split): Similarly.
13216 (movdf_cc_sp64): Rename from hidden pattern.
13217 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
13218 (movtf_cc_sp64, following split): New pattern and splitter.
13219 (movdf_cc_reg_sp64): Rename from hidden pattern.
13220 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
13222 (movtf_cc_reg_sp64, following split): New pattern and splitter.
13224 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
13226 * loop.c (load_mems): Don't hoist written floating point mem
13229 1999-12-12 Mark Mitchell <mark@codesourcery.com>
13231 * except.h (struct eh_queue): Add `next' pointer.
13232 (struct eh_status): Make x_ehqueue a pointer.
13233 (push_ehqueue): Declare.
13234 (pop_ehqueue): Likewise.
13235 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
13237 (expand_fixup_region_end): Likewise.
13238 (expand_leftover_cleanups): Likewise.
13239 (push_ehqueue): Define.
13240 (pop_ehqueue): Likewise.
13241 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
13242 than doing it inline.
13243 (expand_start_all_catch): Adjust now that ehqueue is a
13245 (mark_eh_queue): Mark all level of the queue.
13246 (mark_eh_status): Adjust now that ehqueue is a
13248 (init_eh_for_function): Allocate ehqueue.
13249 (free_eh_status): Free it.
13250 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
13251 expansion for a fixup.
13253 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13255 * gthr-single.h (__gthread_active_p): Add prototype arguments.
13257 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
13258 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
13259 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
13260 function_ptr, getpagesize, __enable_execute_stack,
13261 __enable_execute_stack, __clear_insn_cache,
13262 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
13263 _cleanup, _exit, __default_terminate, __terminate_func,
13264 __terminate, __empty, __throw, new_eh_context,
13265 eh_context_initialize, eh_context_static, eh_context_specific,
13266 get_eh_context, __get_eh_context, __get_eh_info,
13267 init_reg_size_table, eh_threads_initialize,
13268 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
13269 __unwinding_cleanup, throw_helper, __throw, __rethrow,
13270 __pure_virtual): Add prototype arguments.
13271 (__bb_exit_func): Cast a sizeof to long when comparing against one.
13272 Cast a signed value to unsigned long when comparing against one.
13273 (new_eh_context): Wrap in _GTHREADS macro.
13274 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
13276 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
13277 (throw_helper): Initialize variables `handler_p' and `pc_p'.
13279 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13281 * combine.c (record_promoted_value): Remove unused variable
13284 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
13286 * global.c (record_conflicts): Likewise for `j'.
13288 * genoutput.c (output_insn_data): Don't unnecessarily cast away
13291 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13293 * i386-protos.h (output_387_binary_op, output_fix_trunc,
13294 output_fp_compare): Constify a char*.
13296 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
13298 (override_options, ix86_comp_type_attributes, print_operand,
13299 output_387_binary_op, output_fix_trunc, output_fp_compare):
13301 (ix86_sched_reorder): Mark parameter `clock_var' with
13304 * i386.h (DEBUG_PRINT_REG): Constify a char*.
13306 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
13308 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
13309 operand, for use in the Java front-end.
13311 1999-12-10 Ben Collins <bcollins@debian.org>
13313 * configure.in: Fix typo for "-64" in 64bit as check.
13314 * configure: Rebuilt.
13316 1999-12-10 Jakub Jelinek <jakub@redhat.com>
13318 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
13321 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13323 * c-parse.in (string): With -Wtraditional, warn if ANSI string
13324 concatenation is utilized.
13326 * invoke.texi (-Wtraditional): Document it.
13328 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13330 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
13331 Cast a ptrdiff_t to long and pass it to printf with %ld.
13333 1999-12-10 Geoff Keating <geoffk@cygnus.com>
13335 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
13336 68881, we have no 68881 registers at all.
13337 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
13338 value in a 68881 register if it is available.
13340 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
13342 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
13343 for long long multiply-accumulate.
13345 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
13347 * loop.c (insert_loop_mem): Undo last change.
13349 1999-12-10 David S. Miller <davem@redhat.com>
13351 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
13353 * config/sparc/sparc-protos.h: Add them.
13354 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
13355 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
13356 constraints which use those helpers.
13357 (EXTRA_CONSTRAINT): Use this new macro.
13358 * md.texi: Update sparc target constraints documentation.
13359 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
13360 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
13361 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
13362 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
13363 (movsf high/lo_sum split): Rework for new patterns.
13364 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
13366 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
13368 * c-common.c (c_common_nodes_and_builtins):
13369 Create __builtin_ptrdiff_t and __builtin_size_t.
13371 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
13373 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
13375 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13377 * regclass.c (globalize_reg): Re-instate test that allows
13378 fixed registers to be declared as a variable even after functions
13381 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13383 * i386.md (cpu attribute): Add "athlon".
13384 (athlon_decode): New attribute.
13385 (Athlon scheduling units definitions): New.
13386 (fcmp and shld patterns): Set athlon_decode to "vector".
13387 * i386.c (athlon_cost): New.
13389 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
13390 x86_use_sahf): Set for Athlon.
13391 (x86_use_fiop): Unset for Athlon.
13392 (override_options): Define Athlon alignments and "athlon" name.
13393 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
13394 * i386.h (TARGET_ATHLON): New.
13395 (enum processor_type): Add PROCESSOR_ATHLON.
13396 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
13398 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
13400 1999-12-09 Andreas Jaeger <aj@suse.de>
13402 * loop.c (record_biv): Declare parameter as int.
13404 * config/i386/i386-protos.h: Declare long_memory_operand.
13406 1999-12-09 Mark Mitchell <mark@codesourcery.com>
13408 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
13409 EXPR_WITH_FILE_LOCATION.
13411 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13413 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
13416 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
13418 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
13421 1999-12-09 Jakub Jelinek <jakub@redhat.com>
13423 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
13424 default on linux64 again.
13425 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
13426 models for multilibing.
13427 * genmultilib: Accept | as alternative separator within a set in
13430 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
13432 * calls.c (precompute_arguments): Make sure initial_value contains
13433 value pseudo which CSE expects.
13434 * cse.c (struct set): New entry orig_src.
13435 (cse_insn): Set it early on entry, use it for libcall EQUIV note
13438 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
13440 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
13442 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
13444 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
13446 1999-12-08 Jakub Jelinek <jakub@redhat.com>
13448 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
13449 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
13451 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
13454 * longlong.h: Merge in changes from glibc.
13455 Also don't clobber %g2 register in 32bit SPARC assembly, so that
13456 -mno-app-regs libgcc can be compiled.
13457 * libgcc2.c: Add defines so that the updated longlong.h
13458 can be used in libgcc2.a. Also, make sure on most architectures
13459 (at least on all which have optimized code in longlong.h defined
13460 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
13462 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13464 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
13465 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
13466 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
13468 * configure: Rebuilt.
13470 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
13472 * alpha.c (secondary_reload_class): For !BWX, sub-simode
13473 outputs require a register.
13475 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
13477 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
13478 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
13479 functions like dptoul will be resolved.
13480 (libgcc2.a): Make sure that the object files from DPBIT are named
13481 differently (prefix `_dp') from those that would be coming from
13484 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
13486 * configure.in: When target is sparc* and tm_file contains 64,
13487 test for 64bit support in assembler. If not supported, remove
13488 sparc/t-sol2-64 from target-dependent Makefile fragments.
13489 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
13490 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
13491 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
13492 * acconfig.h (AS_SPARC64_FLAG): Added.
13493 * configure, config.in: Rebuilt.
13494 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
13495 support. Use AS_SPARC64_FLAG.
13497 1999-12-07 Jakub Jelinek <jakub@redhat.com>
13499 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
13500 suitable for holding OFmode values so that gcc works with complex
13502 (hard_64bit_mode_classes): Likewise.
13504 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
13505 so that it is actually matched.
13506 (sethi_di_medlow): Likewise.
13508 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
13509 as legitimate constant if -mvis.
13510 * config/sparc/sparc.md (movtf): Likewise.
13511 (clear_sf): Use const_double_operand.
13512 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
13514 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
13515 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
13516 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
13517 routines, _Qp_* cannot be handled like that now.
13518 (INIT_TARGET_OPTABS): Likewise.
13519 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
13520 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
13521 sparc_emit_float_lib_cmp if ARCH64 and soft float.
13522 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
13523 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
13524 divtf3, sqrttf3): New expanders.
13525 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
13526 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
13527 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
13530 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
13531 * configure: Rebuilt.
13532 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
13533 -mcpu is given and we're doing 64bit compiles.
13535 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
13537 * loop.h (struct induction): Add multi_insn_incr.
13538 * loop.c (basic_induction_var): New multi_insn_incr argument.
13539 Set it if we search back through previous insns for the biv.
13540 (record_biv): New multi_insn_incr argument; fill in struct induction.
13541 (strength_reduce): Discard an iv with multiple bivs, any of
13542 which require multiple insns to increment.
13544 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13546 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
13549 1999-12-06 David S. Miller <davem@redhat.com>
13551 * combine.c (check_promoted_subreg): Do not conditionalize this upon
13552 PROMOTE_FUNCTION_RETURN.
13554 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
13556 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
13557 and handle REG_UNUSED note on insn.
13559 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
13560 inner_mask instead of mask.
13562 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
13564 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
13565 zero if there was an error.
13567 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13569 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
13572 * longlong.h: Fix clobbers in SPARC asm statements.
13574 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
13575 valid sethi operations when TARGET_ARCH64.
13577 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
13578 always use move_by_pieces to avoid infinite recursion.
13579 (restore_fixed_argument_area): Likewise.
13581 * combine.c (check_promoted_subreg, record_promoted_value): New
13583 (combine_instructions): Use them to retain nonzero and sign bit
13584 information after SUBREGs are eliminated by optimizations in
13585 this pass if PROMOTE_FUNCTION_RETURN.
13587 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
13588 .register declaration. Don't use variables with __ prefixes.
13590 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13592 * fold-const.c (optimize_bit_field_compare): Only use one mode
13593 for both RHS and LHS in non-constant case.
13595 1999-12-06 Nathan Sidwell <nathan@acm.org>
13597 * frame.c (start_fde_sort): Only allocate erratic array, if
13598 linear one was allocated. Return allocated flag.
13599 (fde_insert): Only insert, if there's a valid array.
13600 (fde_end_sort): Split, sort and merge if linear and erratic
13601 arrays exist, else just sort linear one.
13602 (search_fdes): New function. Linear search through original fde
13604 (frame_init): Permit multiple initializations. Cope with
13606 (find_fde): Fallback on linear search, if failed to sort array.
13607 (__deregister_frame_info): Only free sorted array, if we
13610 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13612 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
13614 1999-12-05 Jakub Jelinek <jakub@redhat.com>
13616 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
13618 1999-12-05 Mark Mitchell <mark@codesourcery.com>
13620 * tree.h (special_function_p): Declare.
13621 * calls.c (special_function_p): Make it global. Don't take `name'
13622 as a parameter. Fix typo in 1999-11-28 change.
13623 (expand_cal): Adjust.
13625 1999-12-04 Mark Mitchell <mark@codesourcery.com>
13627 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
13628 * tree.h (EXPR_WFL_FILENAME): Define in terms of
13629 EXPR_WFL_FILENAME_NODE.
13630 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
13632 * print-tree.c (print_note): Print TREE_PRIVATE and
13635 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
13636 the original die cannot be found.
13638 * varray.h (varray_head_tag): Add elements_used.
13639 (VARRAY_PUSH): New macro.
13640 (VARRAY_POP): Likewise.
13641 (VARRAY_TOP): Likewise.
13642 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
13644 * varray.c (varray_init): Initialize elements_used.
13645 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
13646 (INTEGRATE_H): New variable.
13647 (integrate.o): Depend on INTEGRATE_H.
13648 (unroll.o): Likewise.
13650 * function.h (insert_block_after_note): Declare.
13651 * function.c (insert_block_after_note): Split out from ...
13652 (retrofit_block): ... here.
13654 * stmt.c (expand_fixup): Fix typo in comment.
13656 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13658 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
13659 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
13660 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
13661 (regmove_optimize, fixup_match_1): Likewise.
13663 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13665 * flow.c (flow_loops_dump): Add missing argument when calling
13666 flow_loop_nested_p.
13668 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
13669 Greg McGary <gkm@gnu.org>
13671 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
13672 (init_attributes): Add A_NO_LIMIT_STACK.
13673 (decl_attributes): Handle A_NO_LIMIT_STACK.
13674 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
13675 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
13676 Handle stack bounds checking.
13677 * flags.h (flag_stack_check): Use the word 'probe' rather than
13678 'check', because the flag doesn't actually cause any checking to
13680 * function.c (expand_function_start): Set
13681 current_function_limit_stack.
13682 * function.h (struct function): Add limit_stack.
13683 (current_function_limit_stack): Define.
13684 * invoke.texi (Code Gen Options): Document new options.
13685 * rtl.h: Declare stack_limit_rtx.
13686 * toplev.c (stack_limit_rtx): New variable.
13687 (decode_f_option): Handle new options -fstack-limit-register=REG,
13688 -fstack-limit-symbol=IDENT, -fno-stack-limit.
13689 (main): Add stack_limit_rtx as GC root.
13690 * tree.h (DECL_NO_LIMIT_STACK): New macro.
13691 (struct tree_decl): New member no_limit_stack.
13693 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
13695 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
13696 (conditional_trap+1): Get new mnemonic correct.
13697 (conditional_trap+2): New pattern for DImode traps.
13699 * config/m68k/m68k.c (output_function_prologue): Handle
13701 * config/m68k/m68k.md (trap): New insn.
13702 (conditional_trap): New insn.
13703 * md.texi (Standard Names): Document `trap' and
13704 `conditional_trap'.
13705 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
13706 so a cc0 setter doesn't get emitted at some random place in the
13709 * config/i960/i960.md (trap): New insn.
13710 (conditional_trap): New expander.
13711 (conditional_trap+1, conditional_trap+2): New insns for signed
13712 and unsigned cases.
13713 * config/i960/i960.c (i960_function_prologue): Use
13714 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
13716 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
13717 Geoffrey Keating <geoffk@cygnus.com>
13719 * flags.h (warn_padded, warn_packed): Add global var decls.
13720 * toplev.c (warn_padded, warn_packed): Add global var defns.
13721 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
13722 * stor-layout.c (layout_record): Add local variable `type'
13723 to hold often-used TREE_TYPE (field). Add local variable
13724 `unpacked_align' to hold alignment that would be in force
13725 if no `packed' attribute were present. Warn if `packed' attribute
13726 is unnecessary, or even harmful. Warn when gcc inserts padding
13727 to satisfy alignment requirements of members. Use NULL_TREE
13728 when checking whether var_size is set.
13729 * invoke.texi: Document new flags.
13731 1999-12-03 Nathan Sidwell <nathan@acm.org>
13733 * frame.c (fde_split): Reimplement to avoid variable sized array.
13735 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13737 * combine.c (try_combine): Before fixing up LOG_LINKS for the
13738 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
13740 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
13742 * invoke.texi: Document the mips option -mno-crt0
13744 1999-12-02 Mike Karr <mkarr@mathworks.com>
13746 * cccp.c (argdata): Added free_ptr member.
13747 (macroexpand): Initialize free_ptr of each argument. When an
13748 argument's buffers are freed, if the argument's free_ptr corresponds
13749 to a buffer on the input stack, then return the free_ptr to that stack
13750 frame, otherwise, free it.
13751 (macarg): If an argument begins and ends on the same input stack level,
13752 then transfer the free_ptr of that buffer to the argument in case
13753 the stack is popped during the processing of a subsequent argument.
13755 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
13757 * loop.c (note_reg_stored): New function.
13758 (struct note_reg_stored_arg): New structure.
13759 (try_copy_prop): Change to be more conservative; only replace within
13760 one extended basic block and stop replacing if a store to the
13761 replacement reg is seen.
13763 1999-12-02 Nick Clifton <nickc@cygnus.com>
13765 * config/fp-bit.c: Initialise all fields of the NAN
13768 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
13771 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
13773 * i386.md (extend?f?f2): Force the input into a register, not
13776 1999-12-01 Jakub Jelinek <jakub@redhat.com>
13778 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
13780 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
13781 alternative because setting up 64bit constant is usually costly,
13782 especially when reload is in progress or completed.
13783 (movdf_const_intreg_sp64): Likewise.
13784 (movdf_const_intreg split): Fix building up constants when
13785 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
13787 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
13789 * combine.c (if_then_else_cond): Use const_true_rtx instead of
13790 const1_rtx for return values in EQ/NE comparison against (const_int 0)
13793 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
13794 (asm_file_start): Emit .am33 into assembly file when compiling for
13796 (print_operand_address): Handle POST_INC addresses.
13797 (can_use_return_insn, initial_offset): Check AM33 registers too.
13798 (expand_prologue): Check & save AM33 registers too.
13799 (expand_epilogue): Similarly.
13800 (secondary_reload_class): Handle AM33 specific secondary reloads.
13801 (output_tst): Emit efficient code for the AM33 too.
13802 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
13803 (TARGET_SWITCHES): Add -mam33 switch.
13804 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
13805 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
13806 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
13807 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
13808 (enum reg_class, REG_CLASS_NAMES): Likewise.
13809 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
13810 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
13811 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
13812 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
13813 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
13814 (HAVE_POST_INCREMENT): Define.
13815 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
13816 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
13817 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
13818 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
13819 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
13820 (zero_extend to SI from QI/HI): Likewise.
13821 (sign_extend to SI from QI/HI): Likewise.
13822 (mulsidi3, umulsidi3): New patterns for the AM33.
13823 (tstsi with zero extension from QI/HI): Add AM33 variants.
13824 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
13825 (return_internal_regs, store_movm): Handle new AM33 registers.
13826 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
13827 (LIBGCC, INSTALL_LIBGCC): Likewise.
13828 * invoke.texi: Document new flags.
13830 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13832 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
13833 (addsi3_carry): Likewise.
13834 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
13835 (sbbsi3_carry): Likewise.
13836 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
13837 (mulhi3): Likewise.
13838 (test?i_1): Ensure that only one operand is memory.
13839 (conditional move patterns): likewise.
13840 (shift and rotate patterns): Rewrite to expander, add
13841 "binary_operator_ok" to the condition.
13843 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
13844 * i386.h (procesor_costs): Add movzbl_load field.
13845 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
13846 non-Q registers, accept DImode registers anywhere.
13848 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
13849 * i386.c (*_cost): Set value for movxbl_load field.
13851 * (addsi): New add to lea splitter.
13852 (ashlsi): Likewise.
13853 (lea to add/shift peep2): New.
13855 1999-12-01 Mark Salter <msalter@cygnus.com>
13857 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
13858 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
13859 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
13861 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13863 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
13864 * i386.md (movsi_xor): New.
13866 (movsi_1, movhi_1, movqi_1): Remove.
13867 (movsi_2): Rename to movsi_1.
13868 (movhi_2): Rename to movhi_1.
13869 (movqi_2): Rename to movqi_1.
13870 (movdi_1): Remove; remove splitter.
13871 (movdi_2): Rename to movdi_1.
13872 (divmodsi4 splitter): Do not emit clobbers for move patterns.
13873 (long move peep2): Do not create QI or HI mode mov0s
13874 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
13876 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
13879 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
13880 (abs?f2_if): Likewise.
13882 1999-11-30 Alex Samuel <samuel@codesourcery.com>
13884 * ggc.h (ggc_test_and_set_mark): New macro.
13885 (ggc_mark_rtx): Use ggc_test_and_set_mark.
13886 (ggc_mark_tree): Likewise.
13887 (ggc_mark_rtvec): Likewise.
13888 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
13890 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
13892 * dwarf2out.c (scope_die_for): Only handle types. Only search for
13894 (decl_scope_table): Just an array of trees now.
13895 (push_decl_scope): Simplify.
13896 (dwarf2out_init): Adjust.
13897 (local_scope_p): New fn.
13898 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
13899 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
13900 (gen_typedef_die): Likewise.
13901 (gen_lexical_block_die): Don't call push/pop_decl_scope.
13902 (gen_inlined_subroutine_die): Likewise.
13903 (gen_abstract_function): Set current_function_decl temporarily.
13904 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
13905 Handle block extern declarations. Don't call push/pop_decl_scope.
13906 (gen_decl_die): Fix logic for block externs.
13908 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13910 * calls.c (special_function_p): Remove `realloc' and add `strdup'
13911 to the list of functions which have attribute malloc by default.
13913 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13915 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
13916 integer constant does not match the traditional type, limit the
13917 warnings to cases where the base of the type is ten.
13919 * invoke.texi (-Wtraditional): Document it.
13921 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13923 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
13924 * rs6000.md: Only access a CONST_INT with INTVAL
13926 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
13928 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
13929 (compute_nearerout): Likewise.
13930 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
13931 size_t to unsigned long for formatting.
13933 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13935 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
13936 Allow the user to override call-used/fixed state of %g2-5
13937 registers from the command line (with the exception of %g4 for
13939 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
13940 there is a higher chance of having a leaf function.
13941 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
13942 for ARCH64 which has %ccr register.
13943 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
13945 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
13946 insn accept into delay slot any insn which does not use %[ol]
13947 registers. Accept some LO_SUM and shift left by 1 for the normal
13949 (output_function_epilogue): Likewise.
13950 (epilogue_renumber): Added argument which inhibits any renumbering
13951 and just tests if the rtx does not use any %[ol] registers.
13952 (output_return): Reflect above change.
13954 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13956 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
13957 aggregate passing for sizes <= 16 bytes.
13959 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
13961 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
13962 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
13963 * reload.c (find_dummy_reload): Likewise.
13964 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
13965 * reload1.c (reload_as_needed): Likewise.
13966 * stupid.c (stupid_find_reg): Likewise.
13967 * tm.texi (Obsolete Register Macros): Delete section.
13968 * gmicro.h: Remove all traces of the two macros.
13969 * i386.h: Likewise.
13970 * m88k.h: Likewise.
13971 * mips.h: Likewise.
13973 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
13975 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
13976 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
13977 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
13978 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
13979 units for the sparclite86x chip.
13980 (flush): Revert October 14th change; add SImode specifically.
13981 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
13982 * invoke.texi: Document it.
13984 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
13986 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
13987 psimode_truncation_operand.
13989 * config/mn10200/mn10200.c (psimode_truncation_operand): New
13990 function. Return true if the operand is either a MEM valid
13991 for a PSImode address or not a MEM at all.
13993 * config/mn10200/mn10200.md (truncsipsi2): Use
13994 psimode_truncation_operand.
13996 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13998 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
13999 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
14000 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
14001 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
14002 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
14003 (flow_loop_level_compute, low_loops_level_compute): Likewise.
14004 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
14005 * basic-block.h: Protect from multiple inclusion.
14006 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
14007 (struct loops, struct loop): Define structures.
14008 * sbitmap.c (sbitmap_a_subset_b_p): New function.
14009 * sbitmap.h: Protect from multiple inclusion.
14010 (sbitmap_a_subset_b_p): Add prototype.
14011 * Makefile.in (LOOP_H): New macro.
14012 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
14014 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
14016 * cppinit.c (CAT): The argument list of this macro may not contain
14019 1999-11-29 David S. Miller <davem@redhat.com>
14021 Move quantity tables and register equivalence chains into
14022 per-qty and per-register structure arrays respectively.
14023 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
14024 qty_const_insn, qty_comparison_code, qty_comparison_const,
14025 qty_comparison_qty): Delete, replace with...
14026 (qty_table): this structure table.
14027 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
14028 (reg_eqv_table): this structure table.
14029 (make_new_qty): Add argument MODE. Caller updated.
14030 Update to use qty_table and reg_eqv_table.
14031 (make_regs_eqv, delete_reg_equiv, insert_regs,
14032 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
14033 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
14034 cse_process_notes, cse_main, cse_basic_block): Likewise.
14036 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14038 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
14039 operation if C is negative.
14040 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
14041 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
14042 law for some divisions if constant is negative and change other
14043 divisions to the opposite rounding.
14045 * expr.c (store_constructor_field): If bit position is not multiple
14046 of alignment of TARGET's mode, use BLKmode.
14048 * expr.c (expand_expr_unaligned): Add more code from full case
14049 that is needed when OP0 is in a register.
14051 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14053 * dwarfout.c (field_byte_offset): Size can be zero if there was
14056 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
14058 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
14059 (associate_trees): Delete unused var TEM.
14060 (extract_muldiv): Delete unused var CANCEL_P.
14062 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
14063 (target_isinf, target_isnan, target_negative): Add return types to
14064 function definitions.
14066 1999-11-29 Bruce Korb <autogen@linuxbox.com>
14068 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
14069 * fixinc/hackshell.tpl: ditto
14070 * fixinc/fixtests.c(double_slash_test): more C++ header testing
14071 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
14073 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
14075 * reload.c (push_reload): When looking for a register to put into
14076 reg_rtx, make sure all hard regs in a multi-reg register are in the
14077 right class and nonfixed.
14079 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
14080 pending_read_insns, pending_write_insns, pending_read_mems,
14081 pending_write_mems, pending_list_length, last_pending_memory_flush,
14082 last_function_call, sched_before_next_call): Move static variables
14084 (bb_ prefixed versions): Replace with single array bb_deps.
14085 (struct deps): New structure.
14086 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
14087 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
14088 argument of type "struct deps *"; use that instead of global
14089 variables. All callers changed.
14090 (init_rgn_data_dependencies): Delete function.
14091 (init_rtx_vector): Delete function.
14092 (init_deps): New function.
14094 (free_pending_lists): Simplify, we always use the bb_deps array even
14095 if only one basic block.
14096 (compute_block_backward_dependences): Likewise.
14097 (schedule_region): Likewise.
14099 (propagate_deps): New function, broken out of
14100 compute_block_backward_dependences.
14101 (compute_block_backward_dependences): Use it.
14103 * alpha.md: Delete useless patterns that tried to work around
14104 register elimination problems.
14106 * unroll.c (loop_iterations): Don't abort if iteration variable
14109 From Joern Rennecke:
14110 * reload1.c (reloads_conflict): Reverse test comparing operand
14111 numbers when testing for conflict between output/outaddr reloads.
14113 1999-11-29 David S. Miller <davem@redhat.com>
14115 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
14117 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
14119 1999-11-28 Robert Lipe <robertl@cygnus.com>
14121 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
14122 table from .fini into .dtor.
14124 1999-11-28 Anthony Green <green@cygnus.com>
14126 * tree.h (struct tree_decl): Add malloc_flag.
14127 (DECL_IS_MALLOC): Define.
14128 * c-common.c (attrs): Add A_MALLOC attribute.
14129 (init_attributes): Add this attribute to the table.
14130 (decl_attributes): Handle malloc attribute.
14131 * calls.c (special_function_p): Check for the malloc attribute.
14132 * extend.texi (Function Attributes): Document malloc attribute.
14134 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
14136 * pa.md (reload shift-add patterns): Remove.
14138 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14140 * reorg.c (dbr_schedule) Print more statistics. Corrected
14141 problem when printing info when 3 delay slots are filled.
14143 1999-11-28 Jakub Jelinek <jakub@redhat.com>
14145 * combine.c (setup_incoming_promotions): Pass an outgoing
14146 regno to FUNCTION_ARG_REGNO_P which it expects.
14148 1999-11-28 Andreas Jaeger <aj@suse.de>
14150 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
14152 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
14154 * cccp.c (do_include): Avoid initialization of automatic variable.
14156 * integrate.c (mark_stores): Function definition made void, to match
14157 previous declaration.
14158 * regclass.c (dump_regclass): Ditto.
14159 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
14161 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14163 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
14164 known to be multiple of divisor.
14166 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
14168 * combine.c (try_combine): Add code to try to merge a set of a
14169 two-word pseudo to a constant with a setting of one of those words
14172 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
14173 (split_tree): Completely rework to make more general.
14174 (make_range, fold): Call negate_expr.
14175 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
14176 (fold, associate): Call new split_tree and associate_trees.
14177 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
14179 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
14181 * loop.c (try_copy_prop): Avoid GNU C extension.
14183 1999-11-25 Mark Mitchell <mark@codesourcery.com>
14185 * except.c (init_eh_for_function): Still zero eh_return_context,
14186 eh_return_stack_adjust, and eh_return_handler.
14188 * except.h (eh_status): Adjust documentation for x_protect_list.
14189 (begin_protect_partials): New function.
14190 * except.c (enqueue_eh_entry): Fix formatting.
14191 (get_first_handler): Add consistency check.
14192 (add_partial_entry): Adjust usage of protect_list.
14193 (emit_cleanup_handler): Save and restore ehqueue.
14194 (expand_start_all_catch): Add comment.
14195 (begin_protect_partials): New function.
14196 (end_protect_partials): Adjust usage of protect_list.
14197 (init_eh_for_function): Use xcalloc.
14199 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14201 * c-common.c (check_format_info): Don't call a variadic function
14202 with a non-literal format string.
14204 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
14206 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
14207 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
14210 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
14213 * collect2.c (collect_wait): Likewise.
14215 * dbxout.c (dbxout_type): Likewise.
14217 * gcc.c (do_spec_1): Likewise.
14219 * genemit.c (gen_insn, gen_expand): Likewise.
14221 * genrecog.c (write_switch, write_subroutine): Likewise.
14223 * mips-tfile.c (catch_signal, botch): Likewise.
14225 * print-rtl.c (print_rtx): Likewise.
14227 * toplev.c (default_print_error_function, report_error_function,
14228 _fatal_insn): Likewise.
14230 1999-11-25 Mark Mitchell <mark@codesourcery.com>
14232 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
14234 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14236 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
14237 operations when needed.
14238 * i386.md (fop_?f_comm): New.
14239 (fop_?f_1): Do not accept commutative operands.
14241 1999-11-25 Andreas Jaeger <aj@suse.de>
14243 * config/mips/mips.md (casesi_internal): Add missing brace.
14245 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
14247 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
14248 (splice_child_die): Handle moving a child DIE from the declaration
14249 DIE of a class to its specification.
14250 (gen_struct_or_union_type_die): Use 'complete' consistently.
14251 (gen_decl_die): Generate the virtual context DIE first.
14252 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
14254 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
14256 * config/mips/mips.md (call_value_multiple_interanal1): New.
14258 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
14260 * dwarf2out.c (free_AT, free_die): New fns.
14261 (remove_children): Call them.
14262 (output_line_info): Disable removal of duplicate notes.
14264 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
14265 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
14266 means pretend the type isn't defined.
14267 Don't defer emitting types.
14268 (gen_type_die_for_member): New fn.
14269 (gen_decl_die): Call it.
14270 (splice_child_die): New fn.
14271 (gen_member_die): Call it rather than generate duplicate dies.
14273 Defer emitting information for the abstract instance of an inline
14274 until we either inline it or emit an out-of-line copy.
14275 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
14276 from output_inline_function if DECL_ABSTRACT is also set.
14277 (block_ultimate_origin): Likewise.
14278 (gen_abstract_function): New fn.
14279 (gen_decl_die, gen_inlined_subroutine_die): Call it.
14280 (gen_subprogram_die): An abstract instance is not a declaration
14281 just because it doesn't match current_function_decl. Don't abort
14282 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
14283 has an abstract origin.
14284 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
14285 abstract instance here.
14287 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
14289 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
14290 where we need to reload fpul from a system register.
14292 1999-11-24 Andreas Jaeger <aj@suse.de>
14294 * config/mips/linux.h (CPP_PREDEFINES): Added.
14295 (LINK_SPEC): Remove -Y since this is only needed on sparc.
14297 1999-11-24 Andreas Jaeger <aj@suse.de>
14299 * config/mips/linux.h (TARGET_VERSION): Added.
14300 (HANDLE_SYSV_PRAGMA): Added.
14301 (DEFAULT_VTABLE_THUNKS): Added.
14303 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14305 * local-alloc.c (qty): New structure and static variable.
14306 (qty_phys_reg): Remove, all references changed to qty.
14307 (qty_n_refs): Likewise.
14308 (qty_min_class): Likewise.
14309 (qty_birth): Likewise.
14310 (qty_death): Likewise.
14311 (qty_size): Likewise.
14312 (qty_mode): Likewise.
14313 (qty_n_calls_crossed): Likewise.
14314 (qty_alternate_class): Likewise.
14315 (qty_changes_size): Likewise.
14316 (qty_first_reg): Likewise.
14317 (alloc_qty): Rename variable QTY to QTYNO.
14318 (finf_free_reg): Likewise.
14319 (local_alloc): Allocate qty, do not allocate the removed variables.
14321 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
14323 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
14324 when -membedded-pic is passed.
14326 * config/mips/mips.md (casesi): Handle 64-bit case too.
14327 (casesi_internal_di): New insn.
14329 * config/mips/mips.c (embedded_pic_offset): Always make the
14330 embedded-pic subtractions relative to the name of the current
14331 function by use of the magic string "..CURRENT_FUNCTION".
14332 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
14334 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
14336 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
14337 of (const_int 0), when what we really care about is
14338 whether it's a zero constant anyway.
14339 (div_trap_mips16): Likewise.
14341 1999-11-23 Mark Mitchell <mark@codesourcery.com>
14343 * loop.c (loop_optimize): Always find_loop_tree_blocks and
14344 unroll_block_trees when generating debuggable code.
14346 * tree.h (unsave_expr_1): New function.
14347 (lang_unsave): New variable.
14348 (get_callee_fndecl): New function.
14349 * tree.c (unsave_expr_now_r): New function.
14350 (lang_unsave): Define.
14351 (unsave_expr_1): Likewise.
14352 (unsave_expr_now_r): Split out from unsave_expr_now.
14353 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
14354 call unsave_expr_now_r.
14355 (get_callee_fndecl): Define.
14357 * Makefile.in (gencheck): Don't depend on lang_tree_files.
14358 (gencheck.o): Do depend on lang_tree_files.
14360 * integrate.h (copy_decl_for_inlining): New declaration.
14361 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
14362 (copy_decl_for_inlining): New function.
14363 (integrate_parm_decls): Use it.
14364 (integrate_decl_tree): Likewise.
14366 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
14368 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
14369 the second two from the first.
14370 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
14371 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
14372 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14374 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
14375 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14378 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
14380 * pa.md (call_internal_symref, call_value_internal_symref): No mode
14381 needed on the address operand.
14382 * pa.c (call_operand_address): Check for the correct mode.
14384 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
14386 * loop.c: Include "basic-block.h".
14387 (try_copy_prop, replace_loop_reg): New functions.
14388 (load_mems): Detect registers that just hold copies of the hoisted
14389 mem, and call try_copy_prop to eliminate them.
14390 * Makefile.in (loop.o): Update dependencies.
14392 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
14394 * Makefile.in (gencheck.o): Depend on gencheck.h.
14395 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
14396 (insn-peep.o): Depend on except.h and function.h.
14397 (insn-attrtab.o): Depend on RECOG_H.
14398 (insn-output.o): Depend on toplev.h and flags.h.
14399 (gengenrtl.o): Depend on real.h.
14400 (gen-protos.o): Depend on cpplib.h and cpphash.h.
14401 Unify all dependencies to be on RECOG_H rather than recog.h.
14403 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14405 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
14406 * configure.in: Try building a bi-arch 32/64-bit compiler on
14407 sparc-*-solaris2.7 and higher.
14408 * configure: Rebuild.
14410 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
14412 * config/freebsd.h: New, FreeBSD architecture independent file.
14413 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
14414 independent pieces.
14415 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
14416 directly by i386/freebsd.h.
14417 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
14418 independent configuration file.
14419 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
14420 directly by i386/freebsd.h.
14421 * configure: Rebuilt.
14423 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
14424 which is in the user's namespace.
14425 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
14426 `i386' which is not in our namespace.
14428 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
14430 * invoke.texi (ARM Options): Add in -mno-alignment-traps
14432 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14434 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
14435 (add_dwarf_attr, add_child_die): Just push onto the front.
14436 (reverse_die_lists): New fn.
14437 (add_sibling_attributes): Use it.
14438 (push_decl_scope): Reorganize.
14439 (add_name_and_src_coords_attributes): Don't set file and line for
14440 an artificial decl.
14441 (gen_subprogram_die): An artificial function doesn't need to match
14443 (gen_compile_unit_die): Return the generated die. Only add
14444 AT_comp_dir if the filename is relative.
14445 (remove_AT): Simplify loop. Also free string values.
14446 (output_die): A DIE ref can't be null.
14447 (output_value_format, value_format): Take a dw_attr_ref.
14448 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
14449 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
14450 AT_addr, AT_lbl): New fns.
14451 (various): Use them.
14452 (various): Constify.
14454 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14456 * combine.c (combine_simplify_rtx): When handling a SUBREG,
14457 take SUBREG_WORD into account.
14458 (if_then_else_cond): Likewise.
14460 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14462 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
14463 clause from BSD license, pursuant with
14465 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
14467 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
14469 * loop.c (load_mems): Reformat slightly.
14470 * basic-block.h (regset_head): New typedef.
14471 (INIT_REG_SET): New macro.
14473 1999-11-22 Bruce Korb <autogen@linuxbox.com
14475 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
14476 (mips-dec-bsd*): non-functional code
14477 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
14479 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
14480 added three replacement fixes
14481 (no_double_slash): removed comments that are not (any longer) pertinent
14482 (bad_lval): this fix currently runs against many files.
14483 The comment seems to indicate that we should select for files
14484 containing 'pragma extern_prefix'.
14486 * fixinc/fixinc.x86-linux-gnu: deleted
14487 * fixinc/inclhack.sh: regen
14488 * fixinc/fixincl.x: regen
14489 * fixinc/fixincl.sh: regen
14491 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
14493 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
14494 its code is INSN and it has no notes.
14496 1999-11-22 Andrew Haley <aph@cygnus.com>
14498 * varasm.c (function_defined): Remove.
14499 (make_function_rtl): Don't set function_defined.
14500 (make_decl_rtl): Remove global register warning.
14501 * regclass.c (no_global_reg_vars): New variable.
14502 (globalize_reg): Warn if function has already been defined.
14503 (regclass_init): Set no_global_reg_vars.
14505 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14507 * regclass.c (reg_pref): New structure and static variable
14508 (prefclass): Delete.
14509 (altclass): Delete.
14510 (all uses of prefclass and altclass): Use reg_pref instead.
14512 1999-11-21 Nick Clifton <nickc@cygnus.com>
14514 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
14516 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
14517 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14518 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14520 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
14522 * varasm.c (output_constructor): Solve problem with long long
14523 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
14525 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14527 * global.c (allocno): New structure and static variable.
14528 (allocno_reg): Remove, all references replaced by allocno.
14529 (allocno_size): Likewise.
14530 (hard_reg_conflicts): Likewise.
14531 (hard_reg_preferences): Likewise.
14532 (hard_reg_copy_preferences): Likewise.
14533 (hard_reg_full_preferences): Likewise.
14534 (regs_someone_prefers): Likewise.
14535 (allocno_calls_crossed): Likewise.
14536 (allocno_n_refs): Likewise.
14537 (allocno_live_length): Likewise.
14538 (find_reg): Rename ALLOCNO to NUM.
14540 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
14541 references updated.
14542 (may_move_out_cost): New variable.
14543 (init_reg_sets_1): Initialize may_move_out_cost.
14544 (record_reg_classes): Use may_move_out_cost.
14546 * regclass.c (dump_regclass): New function.
14547 (regclass): New parameter DUMP, call DUMP_REGCLASS.
14548 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
14549 pass rtl_dump_file to regclass.
14550 * rtl.h (regclass): Update prototype.
14552 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14554 * i386.md (neg, not and abs patterns): Revmap to use
14555 ix86_expand_unary_operator and ix86_unary_operator_ok.
14556 (add?f and sub?f expanders): Force operand 1 to register.
14557 * i386.c (ix86_expand_unary_operator): Rewrite.
14558 (ix86_unary_operator_ok): Ensure that memory operands
14560 (ix86_binary_operator_ok): Do not allow operand 1 to
14561 come into memory and operand 0 not.
14562 (ix86_expand_binary_operator): Ensure that
14563 src1 is not non-matching memory.
14565 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
14566 to support integer registers and memory.
14567 (abss?2_integer): Likewise.
14569 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
14570 (REG_CLASS_NAMES): Likewise.
14571 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
14573 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
14574 (movsf): Likewise; unify 4th and 5th alternative.
14575 (pushdf): Likewise.
14576 (movdf_1): Likewise; rename to movdf_integer.
14577 (pushxf): Likewise; rename to pushxf_integer; fix output template;
14578 remove redundant splitter.
14579 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
14580 (movdf_nointeger): New.
14581 (movxf_nointeger): New.
14582 (pushxf_nointeger): New.
14584 * i386.md (extend?f?f): Split to expander and pattern, refuse two
14585 memory operands in patterns.
14586 (fop*): Refuse two memory operands.
14588 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
14589 on !TARGET_USE_CLTD CPUs.
14591 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
14593 * extend.texi: Document C++ restricted pointers and references.
14595 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
14597 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
14598 (invalidate_skipped_set): Call it unconditionally.
14599 (cse_set_around_loop): Likewise.
14601 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14603 * rtl.texi (mem): Add documentation for alias-set argument
14606 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14608 * i386.h (struct_processor_costs): New fields int_load, int_store,
14609 fp_move, fp_load and fp_store
14610 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
14612 (MEMORY_MOVE_COST): New macro.
14613 * i386.c (386_cost): Define new fields.
14614 (i486_cost): Likewise.
14615 (pentium_cost): Likewise.
14616 (pentiumpro_cost): Likewise.
14617 (k6_cost): Likewise.
14619 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
14620 Geoffrey Keating <geoffk@cygnus.com>
14622 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
14624 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
14627 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
14628 (TARGET_STRICT_ALIGNMENT): New macro.
14629 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
14630 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
14631 * invoke.texi (M680x0 Options): Document -mstrict-align.
14633 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
14634 Richard Henderson <rth@cygnus.com>
14636 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
14637 (ix86_split_long_move): Declare.
14638 * i386.c (split_xf, ix86_split_movdi): Remove.
14639 (ix86_split_to_parts, ix86_split_long_move): New.
14640 * i386.md (dimode move splitters): Use ix86_split_long_move.
14641 (dfmode move splitters): Likewise.
14642 (xfmode move splitters): Likewise.
14643 (movsf_1): Allow F->r.
14644 (movdf_1, movxf_1): Allow F->ro.
14646 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14648 * except.h (struct eh_entry): Add goto_entry_p.
14649 (eh_region_from_symbol): Remove prototype.
14650 * except.c (find_func_region_from_symbol): New function.
14651 (emit_cleanup_handler): Likewise.
14652 (eh_region_from_symbol): Make it static.
14653 (add_new_handler): Verify the argument.
14654 (find_func_region): Update comment.
14655 (expand_eh_region_end): Expand handlers here, rater than waiting
14656 until expand_leftover_cleanups or start_all_catch.
14657 (expand_leftover_cleanups): Don't expand here.
14658 (expand_start_all_catch): Or here.
14659 (expand_rethrow): Check the return value from find_func_region.
14660 * function.c (expand_function_end): Emit the catch_clauses.
14662 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
14664 * integrate.c (expand_inline_function): Add necessary check for NULL.
14666 1999-11-18 Nick Clifton <nickc@cygnus.com>
14668 * toplev.c (main): Correctly detect an unrecognised option.
14670 * cppinit.c (cpp_handle_option): Do not claim to have consumed
14671 a -f option if it has not been recognised.
14673 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
14675 * basic-block.h (update_life_extent): Remove trailing comma on
14676 enumeration type list.
14678 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14680 * varasm.c (output_constructor) Solved problem with long long
14681 bitfields. Corrected calculating this_time and shift. Also
14682 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
14684 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
14686 * flow.c (split_edge): Take looping structure into account when
14687 determining where to put the new block note.
14689 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
14691 * Makefile.in (ggc-none.o): Provide host specific version if
14694 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
14696 * cse.c (delete_trivially_dead_insns): Identify no-op insns
14697 containing subregs too.
14699 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14701 * invoke.texi: Add documentation for -muninit-const-in-rodata.
14702 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
14703 (TARGET_UNINIT_CONST_IN_RODATA): Define.
14704 (text_section): Add switches -munint-const-in-rodata and
14705 -mno-uninit-const-in-rodata.
14706 (ASM_OUTPUT_COMMON): Remove.
14707 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
14708 const objects should be placed in read-only data. Otherwise declare
14711 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
14713 * jump.c (jump_optimize_1): Revert last change.
14715 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
14717 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
14718 test if optimizing for size.
14720 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14722 * Makefile.in (toplev.o): Depend on except.h.
14723 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
14725 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14727 * i386.md (divmodsi4): Rewrite to expander.
14728 (*divmodsi4_nocltd): New.
14729 (*divmodsi4_cltd): New.
14730 (divmodsi4 splitter): Handle the case when input comes in edx.
14731 (udivmodhi4): Do not use constraints in exander.
14732 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
14734 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
14736 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
14737 for the common case.
14739 1999-11-16 Jakub Jelinek <jakub@redhat.com>
14741 * explow.c (hard_function_value): Add outgoing argument.
14742 * expr.h (hard_function_value): Declare it.
14743 * calls.c (expand_call, emit_library_call_value): Update callers.
14744 * function.c (aggregate_value_p): Ditto.
14745 (diddle_return_value): Must look at the outgoing registers
14746 on archs with register windows.
14748 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
14750 * alpha.c (alpha_build_va_list): Use make_lang_type and
14751 initialize TYPE_NAME for the va_list record.
14753 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
14755 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
14757 * ggc.h (struct ggc_statistics): Rearrange elements for better
14758 packing on 64-bit hosts.
14759 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
14760 (compute_nearerout): Likewise.
14762 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
14764 * config/rs6000/rs6000.c (first_reg_to_save): Save
14765 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
14767 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
14769 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
14770 notion of nesting to find the DIE for a type or function.
14771 DIEs can go in limbo even if we got a context_die.
14772 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
14773 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
14775 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
14776 (gen_type_die): Writing out the context doesn't cause member class
14777 template instantiations to be written out as well.
14779 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
14781 * rs6000.h (ASM_OUTPUT_DEF): New.
14782 Based on proposed addition from David Edelsohn.
14784 1999-11-15 Robert Lipe <RobertLipe@usa.net>
14785 Bruce Korb <autogen@linuxbox.com>
14787 * fixinc/inclhack.def
14788 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
14789 (unixware7_byteorder_fix): added. Removes conflicts for new defs
14791 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
14792 (svr4_endian): enabled with SVR5
14793 (svr4_mkdev): simplified syntax and enabled with SVR5
14795 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
14797 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
14798 * configure: Rebuilt.
14799 * config/t-freebsd-thread: New file.
14801 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
14803 * i386.c (ix86_decompose_address): Verify the base is a REG
14804 before trying to examine its register number.
14806 * basic-block.h: Remove all #defines and prototypes related to
14808 (free_bb_mem, compute_preds_succs): Remove prototype.
14809 * rtl.h (free_bb_mem): Remove prototype.
14810 * flow.c (alloc_int_list_node); Remove function.
14811 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
14812 (compute_preds_succs, free_bb_mem): Likewise.
14813 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
14814 * toplev.c (rest_of_compilation): Likewise.
14815 * haifa-sched.c (build_control_flow): Use flow generated edge
14816 list to build the haifa specific edge list.
14817 (find_rgns): Use new CFG data structures instead of pred/succ lists.
14818 (schedule_insns): Do not build pred/succ lists anymore. Instead
14819 build the edge table.
14821 * basic-block.h (dump_bb_data): Remove declaration.
14822 * flow.c (dump_bb_data): Remove function.
14823 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
14824 (sbitmap_union_of_predsucc): Likewise.
14826 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
14827 argument. All callers changed.
14828 (delete_null_pointer_checks_1): No longer need to compute the
14831 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
14832 All callers changed.
14833 (pre_expr_reaches_here_p_work): Likewise.
14834 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
14835 * lcm.c (compute_laterin): Fix initialization of LATER.
14836 (compute_nearerout): Similarly for NEARER.
14838 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14840 * cse.c (set_nonvarying_address_components): Delete unused function.
14841 (refers_to_p): Likewise.
14843 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
14845 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
14848 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14850 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
14851 definition in do while (0).
14853 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
14855 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
14857 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
14859 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
14861 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
14863 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
14864 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
14865 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
14866 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
14868 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
14869 saved on the stack. Output more accurate stack frame statistics
14870 into assembler file.
14872 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
14874 * genextract.c (record_insn_name): New function.
14875 (get_insn_name): No longer a stub.
14876 (main): Call record_insn_name for each insn. After each label
14877 written, print the insn name in a comment.
14879 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14881 * output.h (const_section, init_section, fini_section): Add
14884 * alpha/elf.h (const_section): Delete declaration.
14886 * svr4.h (const_section): Likewise.
14888 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
14890 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
14891 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
14892 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
14894 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
14895 variable-sized array bounds.
14897 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
14899 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
14902 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14904 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
14905 addresses the same way GO_IF_LEGITIMATE_INDEX does.
14907 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14909 * cse.c (hash_arg_in_struct): Delete.
14910 (struct table_elt): Delete elt in_struct.
14911 (struct set): Delete elt src_in_struct.
14912 (merge_equiv_classes): Don't set either hash_arg_in_struct or
14913 the corresponding in_struct elts.
14914 (canon_hash): Likewise.
14915 (safe_hash): Likewise.
14916 (find_best_addr): Likewise.
14917 (record_jump_cond): Likewise.
14918 (cse_insn): Likewise.
14920 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
14922 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
14924 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
14927 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
14929 * function.c (diddle_return_value): Put back check that the DECL_RTL
14930 for the function is a register.
14932 * function.c (diddle_return_value): Use hard_function_value to
14933 get an rtx suitable for use in the USE/CLOBBER insn.
14935 * global.c (global_conflicts): Update comments.
14936 (record_conflicts): No need to record conflicts between pseudos here.
14938 1999-11-11 Bruce Korb <autogen@linuxbox.com>
14940 * fixinc/fixincl.c: Added verbose levels for status messages
14942 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14944 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
14945 operand as argument to expand_and or expand_binop.
14947 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
14949 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
14950 gcc_add_string_root.
14952 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
14954 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
14956 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
14958 * flow.c (compute_flow_dominators): Initially put all blocks on
14960 * lcm.c (compute_antinout_edge, compute_available): Similarly.
14961 * gcse.c (compute_cprop_avinout): Remove.
14962 (compute_cprop_data): Use compute_available.
14963 (delete_null_pointer_checks_1): Use compute_available.
14965 * basic-block.h (compute_available): Returns a void now.
14966 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
14967 to return a value anymore.
14968 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
14969 worklists. Fix boundary cases. Compute maximal solutions.
14970 (compute_laterin, compute_nearerout): Similarly.
14972 * dwarf2out.c (add_AT_location_description): Allow
14973 (mem (plus (pseudo) (...)) too.
14975 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
14977 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
14979 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
14980 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14982 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
14984 * gansidecl.h: Likewise.
14990 * toplev.h: Likewise.
14992 * tree.c: Likewise.
14994 * tree.h: Likewise.
14996 * varray.c: Likewise.
14998 * varray.h: Likewise.
15000 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
15002 * gcov.c (struct arcdata): Add hits and total, remove prob.
15003 (output_branch_counts): New.
15004 (process_args): Set output_branch_counts if -c.
15005 (calculate_branch_probs): Store hits and total instead of
15007 (output_data): Emit counts if output_branch_counts is true.
15008 * gcov.texi (Invoking Gcov): Document -c switch..
15010 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
15012 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
15013 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
15015 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
15017 * invoke.texi (C Dialect Options): Add missing builtins from
15018 c-common.c to list.
15019 * extend.texi (Other Builtins): Copy to this list.
15021 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15023 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
15024 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
15025 redundant bitmap.h.
15027 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
15029 * flow.c (compute_flow_dominators): No longer treat basic block 0
15030 or (n_basic_blocks - 1) specially. Clear the AUX field before
15031 starting computation of doms/pdoms. Fix initial state for pdoms.
15033 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15035 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
15036 match rtl.o's: added ggc.h and toplev.h
15037 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
15038 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
15039 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
15041 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
15043 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
15044 from HAVE_DOS_BASED_FILESYSTEM.
15045 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
15046 HAVE_DOS_BASED_FILESYSTEM.
15048 (split_directories): Only special-case DOS file names if
15049 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
15050 instead of explicit tests. Conditionalize on !VMS.
15051 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
15052 tests. Conditionalize on !VMS.
15053 (process_command): Only use make_relative_prefix if !VMS.
15054 (free_split_directories): Conditionalize on !VMS.
15055 (DIR_UP): Conditionalize on !VMS.
15057 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
15059 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
15061 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
15063 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
15066 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
15068 * invoke.texi (Environment Variables): Document relative path
15070 * gcc.c (DIR_UP): If not defined, define as "..".
15071 (standard_bindir_prefix): New static, holds target location to
15073 (split_directories): New function to split a filename into
15074 component directories.
15075 (free_split_directories): New function, release memory allocated
15076 by split_directories.
15077 (make_relative_prefix): New function, make a relative pathname if
15078 the compiler is not in the expected location.
15079 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
15080 can figure out an appropriate prefix from argv[0].
15081 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
15082 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
15083 STANDARD_BINDIR_PREFIX.
15085 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15087 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
15089 * config/c4x/c4x.h: Moved prototypes to c4x.h.
15090 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
15091 c4x_secondary_memory_needed) Delete.
15092 (fp_zero_operand): Add mode argument.
15094 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
15096 * reload1.c (reload_reg_free_for_value_p): Don't use a register
15097 that is in reload_reg_used.
15099 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
15101 * config/arm/arm-protos.h: New file: Prototypes for functions
15102 defined in arm.c and pe.c.
15103 * config/arm/arm.h: Fix compile time warnings.
15104 * config/arm/arm.c: Fix compile time warnings.
15105 * config/arm/pe.h: Fix compile time warnings.
15106 * config/arm/aout.h: Fix compile time warnings.
15108 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
15110 * config/m32r/m32r-protos.h: New file: Prototypes for functions
15113 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
15114 Add support for subtargets.
15115 Add prototypes for new predicates.
15116 Add scheduling macros.
15118 * config/m32r/m32r.c: Fix compile time warnings.
15119 (int8_operand): New predicate function.
15120 (reg_or_cmp_int16_operand): New predicate function.
15121 (extend_operand): New predicate function.
15122 (m32r_adjust_code): New scheduling function.
15123 (m32r_adjust_priorty): New scheduling function.
15124 (m32r_sched_init): New scheduling function.
15125 (m32r_sched_reorder): New scheduling function.
15126 (m32r_sched_variable_issue): New scheduling function.
15127 (direct_return): New codegen function.
15128 (m32r_not_same_reg): New rtl testsing function.
15130 * config/m32r/m32r.md: Fix compile time warnings.
15131 Add support for pre decrement and post increment memory
15133 Add S<cc> patterns.
15136 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15138 * global.c (EXECUTE_IF_CONFLICT): Don't define.
15139 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
15140 (find_reg): Likewise.
15142 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
15144 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
15145 to avoid assembler errors.
15147 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
15149 * config/v850/v850-protos.h: New file: Prototypes for functions
15151 * config/v850/v850.h: Move prototypes to v850-protos.h
15152 * config/v850/v850.c: Move prototypes to v850-protos.h
15153 * config/v850/v850.md: Fix compile time warnings.
15155 * config/fr30/fr30-protos.h: New file: Prototypes for functions
15157 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
15158 * config/fr30/fr30.c: Fix compile time warnings.
15159 * config/fr30/fr30.md: Fix compile time warnings.
15161 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
15163 * tree.h (get_containing_scope): Declare it.
15164 * tree.c (get_containing_scope): New fucntion.
15165 (decl_function_context): Use it.
15166 * toplev.c (rest_of_compilation): Use get_containing_scope.
15168 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15170 * Makefile.in (rtl.o): Depend on toplev.h.
15172 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
15174 * cse.c (delete_trivially_dead_insns): Replace alloca with
15176 * except.c (update_rethrow_references): Likewise.
15177 (init_eh_nesting_info): Likewise.
15178 * function.c (identify_blocks): Likewise.
15179 * gcse.c (dump_hash_table): Likewise.
15180 * graph.c (print_rtl_graph_with_bb): Likewise.
15181 * loop.c (combine_movables): Likewise.
15182 (move_movables): Likewise.
15183 (count_loop_regs_set): Likewise.
15184 (strength_reduce): Likewise.
15185 * profile.c (compute_branch_probabilities): New function, split
15187 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
15188 * regclass.c (regclass): Likewise.
15189 * regmove.c (regmove_optimize): Likewise.
15190 * toplev.c (compile_file): Likewise.
15191 (main): Don't mess with the stack rlimit.
15193 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
15195 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
15196 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
15198 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
15200 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
15202 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
15204 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
15205 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
15208 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
15210 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
15212 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
15214 * gcse.c (post_dominators): Kill.
15215 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
15216 (compute_code_hoist_data): Use compute_flow_dominators. Do not
15217 pass in a pdom array since we do not need pdoms.
15218 * haifa-sched.c (schedule_insns): Similarly.
15219 * flow.c (compute_dominators): Remove dead function.
15220 (compute_flow_dominators): Do not compute doms or pdoms if the
15221 caller does not request them. Split up loop to build doms and
15222 pdoms. Use a worklist to compute doms and pdoms.
15223 * basic-block.h (compute_dominators): Remove prototype.
15225 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
15227 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
15228 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
15229 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
15230 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
15231 (cant_move, fed_by_spec_load, is_load_insn): Remove.
15232 (schedule_region): Remove unused variable.
15233 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
15235 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
15237 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
15238 (update_equiv_regs): Likewise.
15239 (block_alloc): Likewise.
15240 * reg-stack.c (reg_to_stack): Likewise.
15241 (convert_regs_2): Likewise.
15242 * reload1.c (reload_as_needed): Likewise.
15244 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
15246 * Makefile.in (dbxout.o): Depend on ggc.h.
15247 (dwarf2out.o): Likewise.
15248 (xcoffout.o): Likewise.
15249 * dbxout.c: Include ggc.h.
15250 (dbxout_init): Register lastfile as a root.
15251 * dwarf2out.c: Include ggc.h.
15252 (dwarf2out_line): Register lastfile as a root.
15253 * xcoffout.c: Include ggc.h.
15254 (xcoffout_source_line): Register xcoff_lastfile as a root.
15256 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
15258 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
15260 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
15262 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
15264 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
15266 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15268 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
15269 (EXECUTE_IF_CONFLICT): Likewise.
15270 (ALLOCNO_LIVE_P): Avoid signed division.
15271 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
15272 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
15273 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
15275 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
15277 * haifa-sched.c (schedule_block): Don't crash if there's no
15278 next insn for an interblock movement.
15279 (add_branch_dependences): Don't allow clobber insns to move either.
15281 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
15283 * i386.c (split_xf): New.
15284 * i386-protos.h: Declare it.
15285 * i386.md (movxf_1): Add general regs alternatives.
15286 (movxf_1+1): New splitter for same.
15288 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
15290 * function.c (purge_addressof_1): Add missing return values.
15292 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
15294 * function.c (is_addressof): New function. Returns true if
15295 the given piece of RTL is an ADDRESSOF.
15296 (purge_addressof_1): Make boolean. Return false if the
15297 ADDRESSOFs could not be purged.
15298 (purge_addressof): If ADDRESSOFs could not be purged from the
15299 notes attached to an insn, remove the offending note(s),
15300 unless they are attached to a libcall.
15302 1999-11-05 Andreas Jaeger <aj@suse.de>
15304 * genoutput.c (null_operand =): Initialize all fields.
15306 * errors.h: Add extern to prototypes.
15308 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
15310 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
15311 * configure: Rebuilt.
15313 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15315 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
15316 (mirror_conflicts): New function.
15317 (global_alloc): Call it.
15318 (expand_preferences): Remove redundant CONFLICTP test.
15319 (find_reg, dump_conflicts): Likewise.
15320 (prune_preferences): Process conflicts one word at a time.
15322 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
15324 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
15325 instead of an explicit loop.
15327 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
15329 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
15330 if REG_RETVAL check succeeds, then put classp in src_elt.
15332 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
15334 * function.c (pad_to_arg_alignment): Only update argument_pad
15335 if the argument's alignment is greater than STACK_BOUNDARY.
15337 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
15339 * bitmap.h (BITMAP_XFREE): New.
15340 * flow.c (life_analysis): Use it.
15341 (life_analysis_1): Free blocks.
15343 * combine.c (undo_commit): New.
15344 (try_combine): Use it. Don't zap undobuf.undos.
15345 (combine_instructions): Don't zap undobuf.undos; free the
15346 undobuf.frees list.
15348 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
15350 * stmt.c (cost_table_): New.
15351 (estimate_case_costs): Use it instead of xmalloc.
15353 * toplev.c (compile_file): Reuse dumpname memory instead
15356 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
15358 * reg-stack.c (convert_regs_1): Initialize target_stack->top
15359 after verifying an EH edge.
15361 * haifa-sched.c (init_rgn_data_dependences): Correctly
15362 size bb_pending_lists_length when zeroing.
15364 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
15366 * function.c (diddle_return_value): New.
15367 (expand_function_end): Use it.
15368 * stmt.c (expand_null_return): Likewise.
15369 (expand_value_return): Likewise.
15371 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
15373 * reload1.c (reload): Don't remove return value clobbers.
15375 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
15377 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
15379 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
15381 * cse.c (cse_main): Use xmalloc, not alloca.
15382 (cse_basic_block): Likewise.
15383 * local-alloc.c (local_alloc): Likewise.
15385 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
15386 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15388 * rtl.c: Include toplev.h.
15389 (fatal): Remove declaration.
15391 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
15393 * haifa-sched.c (schedule_block): Fix thinko.
15395 1999-11-03 James McKelvey <mckelvey@fafnir.com>
15397 * fixinc/fixincl.c(create_file): Allow for systems that do not have
15398 S_IR* defined values
15400 1999-11-03 Philippe De Muyter <phdm@macqel.be>
15402 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
15403 call `malloc' instead.
15405 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
15407 * flags.h (flag_renumber_insns): Declare.
15408 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
15410 * rtl.h (renumber_insns): Change prototype.
15411 * toplev.c (flag_renumber_insns): Define.
15412 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
15414 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
15416 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
15417 and fpsqrtd. Use them and create fdiv function unit to more
15418 accurately represent fpu sqrt pipeline semantics on UltraSparc.
15419 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
15421 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
15423 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
15425 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
15426 insn into ready list, do not use just a raw swap.
15428 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
15430 * rtl.h (renumber_insns): New function.
15431 (remove_unnecessary_notes): Likewise.
15432 * emit-rtl.c (renumber_insns): Define.
15433 (remove_unncessary_notes): Likewise.
15434 * toplev.c (rest_of_compilation): Remove dead code.
15435 Use renumber_insns and remove_unncessary_notes.
15437 * gcse.c (struct null_pointer_info): New type.
15438 (get_bitmap_width): New function.
15439 (current_block): Remove.
15440 (nonnull_local): Likewise.
15441 (nonnull_killed): Likewise.
15442 (invalidate_nonnull_info): Take a null_pointer_info as input.
15443 (delete_null_pointer_checks_1): New function.
15444 (delete_null_pointer_checks): Use it.
15446 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
15447 (split_edges): Likewise.
15448 (schedule_block): Likewise.
15449 (compute_block_backward_dependencies): Likewise.
15450 (schedule_region): Likewise.
15451 (schedule_insns): Likewise.
15453 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
15455 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
15456 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
15457 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
15458 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
15459 * jump.c (delete_unreferenced_labels): Don't delete if
15460 LABEL_ALTERNATE_NAME is set.
15461 * print-rtl.c (print_rtx): Dump alternate name.
15462 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
15463 * rtl.h (LABEL_ALTERNATE_NAME): Define.
15464 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
15465 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
15467 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15469 * fix-header.c (recognized_extern, recognized_function): Constify
15472 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
15473 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15474 (compute_available): Remove unused variable `last'.
15475 (compute_nearerout): Remove unused variable `temp_bitmap'.
15476 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15477 Remove unused variable `x'.
15479 * scan.h (recognized_function, recognized_extern): Constify a
15482 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
15484 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15486 * varasm.c (decode_rtx_const): Use XSTR to access the string
15489 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
15491 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
15493 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15495 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
15497 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
15499 * pa.c (ireg_operand): New function.
15500 * pa.h (PREDICATE_CODES): Handle ireg_operand.
15501 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
15502 Fix out of date comment.
15504 * pa.md (negdi2): Turn into expander + anonymous pattern.
15506 * reload.c (find_reloads): Fix typos in recent change.
15508 * dwarf2out.c: Do not include ctype.h.
15510 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15512 * regclass.c (record_reg_classes): Always use may_move_cost when
15513 seeing how operand fits with various register classes.
15515 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
15517 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
15518 * toplev.c: Revert Nov 1 13:22 change.
15520 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
15522 * config/pa/pa.md (height reduction patterns): Add checks for
15523 overlapping operands to avoid semantic-destroying splits for
15524 height reduction patterns.
15526 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15528 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
15529 have been an hyphen, fixed.
15530 * configure: Rebuilt.
15532 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
15534 * config/arm/tpe.h: Add prototypes for exported functions.
15535 * config/arm/pe.c: Fix compile time warnings.
15536 * config/arm/semi.h: Fix compile time warnings.
15537 * config/arm/arm.c: Fix compile time warnings.
15538 * config/arm/arm.h: Fix compile time warnings.
15539 * config/arm/arm.md: Fix compile time warnings.
15540 * config/arm/thumb.c: Fix compile time warnings.
15541 * config/arm/thumb.h: Fix compile time warnings.
15542 * config/arm/thumb.md: Fix compile time warnings.
15544 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
15546 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
15549 * unroll.c (unroll_loop): Remove LOOP notes when loop is
15550 completely unrolled.
15552 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15554 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
15556 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
15558 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
15559 * rtl.h (rtx_equal_p): Move prototype.
15560 * rtl.c (rtx_equal_function_value_matters): Move from
15562 (rtx_equal_p): Likewise.
15563 * rtlanal.c (rtx_equal_function_value_matters): Delete.
15564 (rtx_equal_p): Likewise.
15566 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
15568 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
15569 ! HAS_INIT_SECTION.
15571 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
15573 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
15575 * pa.h (ADDR_VEC_ALIGN): Define.
15577 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
15578 notes when presented with "if (foo) break; end_of_loop" and
15579 the break sequence gets moved out of the loop.
15581 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
15582 Remove explicit zero initializations of entries within MAP.
15584 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
15586 * reg-stack.c (convert_regs_1): Handle EH edges specially.
15588 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
15590 * bitmap.h (BITMAP_XMALLOC): New macro.
15591 * flow.c (CLEAN_ALLOCA): Remove.
15592 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
15593 (life_analysis): Likewise.
15594 (update_life_info): Don't use CLEAN_ALLOCA.
15595 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
15596 (calculate_global_regs_live): Likewise.
15597 (print_rtl_with_bb): Likewise.
15598 (verify_flow_info): Likewise.
15599 * global.c (global_alloc): Likewise.
15600 (global_conflicts): Likewise.
15601 * integrate.c (save_for_inline_nocopy): Likewise.
15602 (expand_inline_function): Likewise.
15603 * jump.c (jump_optimize_1): Likewise.
15604 (duplicate_loop_exit_test): Likewise.
15605 (thread_jumps): Likewise.
15606 * loop.c (loop_optimize): Likewise.
15607 (combine_givs): Likewise.
15608 (recombine_givs): Likewise.
15609 * reorg.c (dbr_schedule): Likewise.
15610 * unroll.c (unroll_loop): Likewise.
15612 * combine.c (combine_instructions): Use xmalloc instead of alloca.
15614 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
15616 * toplev.c (rest_of_compilation): Don't optimize the CFG
15617 when rebuilding, just before dbr.
15619 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15621 * output.h (assemble_end_function, assemble_destructor,
15622 assemble_constructor, assemble_gc_entry, assemble_global,
15623 assemble_label, output_constant_pool) Constify a char*.
15625 * varasm.c (assemble_destructor, assemble_constructor,
15626 assemble_gc_entry, assemble_end_function, assemble_global,
15627 assemble_label, output_constant_pool): Likewise.
15629 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
15631 * config/arm/thumb.c (thumb_expand_prologue): Add comments
15632 explaining what is goin on in this function.
15634 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15636 * regclass.c (record_reg_classes): In matching case, recompute
15637 costs since the direction of movement is different.
15639 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
15641 * resource.c (mark_target_live_regs): For unconditional branches,
15642 the resources found at the branch target should be added to the
15643 resources found so far, not intersected.
15645 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
15647 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
15649 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
15650 (sys/mman.h): Include this file only if #HAVE_MMAP.
15651 (run_compiles): Initialize `esac_fmt' with one old KR string, not
15652 with automatically concatenated ANSI strings.
15654 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
15656 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
15657 (DIV_ROUND_UP): Robustify.
15658 (ggc_recalculate_in_use_p): New function.
15659 (release_pages): Don't inline it.
15660 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
15662 (ggc_pop_context): Use ggc_recalculate_in_use_p.
15663 (clear_marks): Always save in_use_p.
15664 (sweep_pages): Use ggc_recalculate_in_use_p.
15665 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
15666 Release pages before counting statistics.
15668 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
15670 * toplev.c (rest_of_compilation): Fix thinko in this change:
15672 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15674 (rest_of_compilation): If inside an inlined external function,
15675 pretend we are just being declared.
15677 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
15679 * flow.c (calculate_global_regs_live): Fix thinko.
15681 * integrate.c (expand_inline_function): Fix bugs in previous
15682 change from Oct 28, 1999.
15684 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
15686 * stmt.c (expand_value_return): Fix typo in this change:
15688 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15689 (expand_value_return): Correctly convert VAL when promoting function
15690 return; support RETURN_REG being a PARALLEL.
15692 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
15694 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
15696 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15698 * hard-reg-set.h (reg_names): Constify a char*.
15700 * regclass.c (reg_names): Likewise.
15702 * regs.h (reg_names): Likewise
15704 * a29k/a29k.c (reg_names): Delete declaration.
15706 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
15708 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
15709 arc_output_function_epilogue): Likewise.
15711 * elxsi/elxsi.c (reg_names): Likewise.
15713 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
15715 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
15718 * m88k/m88k.c (output_function_profiler): Likewise.
15720 * sparc/sparc.c (sparc_flat_output_function_prologue,
15721 sparc_flat_output_function_epilogue): Likewise.
15723 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
15725 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
15726 warning from -Wuninitialized and put it under -W.
15727 * function.c (uninitialized_vars_warning): Warn only when the
15728 corresponding flag is set.
15730 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
15732 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
15733 is nonzero and the single set does not have an elt, then assign
15736 * simplify-rtx.c: New file.
15737 * Makefile.in (OBJS): Add simplify-rtx.o
15738 (simplify-rtx.o): Add dependencies.
15739 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
15740 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
15741 (cse_gen_binary, simplify_unary_operation): Delete.
15742 (simplify_binary_operation, simplify_plus_minus): Likewise.
15743 (check_fold_consts, simplify_relation_operation): Likewise.
15744 (simplify_ternary_operation): Likewise.
15745 (delete_trivially_dead_insns): Simplify the contents of the
15746 REG_EQUAL note before trying to substitute it into the source
15747 of the reg-reg copy at the end of a libcall sequence.
15749 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
15750 references/callers changed.
15752 * mn10200.c (mn10200_va_arg): Force the return value into a
15755 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
15757 * cccp.c (macroexpand): Avoid out of range accesses for omitted
15760 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
15762 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
15764 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
15766 * fold-const.c (fold): Fix thinko when optimizing comparisons
15769 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
15771 * gcc.texi (Passes): Update front-end files to their current
15774 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
15776 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
15777 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
15778 (PREDICATE_CODES): Add addition_operation.
15779 * alpha-protos.h (addition_operation): Declare.
15780 (secondary_reload_class): Likewise.
15781 * alpha.c (addition_operation): New.
15782 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
15783 * alpha.md (adddi3): Turn into expander.
15784 (*lda, *adddi_2): New.
15785 (movsf, movdf patterns): Don't preference integer regs.
15786 (movsi, movdi patterns): Don't preference fp regs.
15788 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
15790 * genrecog.c (write_switch): Check for duplicate CODE cases.
15792 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
15794 * ggc-common.c: Update pre-function commentary.
15795 * ggc-page.c: Likewise.
15797 (poison_pages): Use memset directly.
15798 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
15799 (ggc_collect): Poison before sweeping.
15800 * ggc-simple.c: Update pre-function commentary.
15801 (ggc_alloc_obj): Poison non-zeroed memory.
15803 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
15805 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
15806 match format string, even on 64-bit hosts.
15807 * gcc-page.c (ggc_page_print_statistics): Likewise.
15809 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
15811 * config/i386/i386.c (ix86_cpu): Revert last patch.
15812 * config/i386/i386.h (ix86_cpu): Ditto.
15814 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
15816 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
15817 TYPE_SIZE, convert type of result to sizetype.
15819 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
15821 * flow.c (count_or_remove_death_notes): Equate NULL with the
15824 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
15825 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
15828 * i386.c (pic_label_no): Delete.
15829 (ix86_attr_length_default): Don't use single_set to peek
15832 * recog.c (peephole2_optimize): Allow recog_next_insn to index
15833 the first insn after bb->end.
15834 * i386.md (push mem peeps): Scratch is live after evaluation
15836 (cmp mem peep): Similarly.
15838 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
15840 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
15841 * function.c (pad_to_arg_alignment): Add missing braces.
15843 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15845 * alpha/alpha-protos.h (literal_section): Add prototype.
15846 (alpha_need_linkage, alpha_start_function,alpha_end_function):
15849 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
15851 (alpha_start_function, alpha_end_function, float_strings,
15852 alpha_need_linkage): Constify a char*
15854 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
15856 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
15858 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
15860 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
15862 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15864 * flow.c (debug_flow_info): Add prototype.
15866 * gcc.c (main): Likewise.
15868 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
15871 * reload1.c (failed_reload, set_reload_reg): Likewise.
15873 * mips-tfile.c (main): Likewise.
15874 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
15875 with ATTRIBUTE_NORETURN.
15877 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
15879 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
15880 DECL is not a memory ref.
15882 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
15884 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
15885 * config/i386/i386.c (ix86_cpu): Add extern attribute.
15887 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
15889 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
15890 * config/mips/elf64.h: ditto.
15892 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
15894 * expr.c (emit_push_insn): New argument alignment_pad.
15895 Update all callers. Adjust stack pointer based on alignment pad.
15896 * function.c (pad_to_arg_alignment): New argument alignment_pad.
15897 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
15898 (locate_and_pad_parm): New argument alignment_pad. Update all
15900 * expr.h (emit_push_insn): Update prototype.
15901 (locate_and_pad_parm): Update prototype.
15902 * calls.c (arg_data): Add new field alignment_pad.
15903 (initialize_argument_information): Initialize alignment_pad.
15905 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
15907 * except.c (free_eh_nesting_info): Free the info itself.
15908 * function.c (free_after_compilation): Don't free NULL.
15909 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
15910 (pre_edge_insert): Free inserted.
15911 * stmt.c (free_stmt_status): Don't free NULL.
15913 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15915 * gcov.c (DIR_SEPARATOR): Provide default.
15916 (output_data): Add test for MS-DOS format absolute filename.
15917 (fancy_abort): Correct program name.
15918 (open_files): Open all files in binary mode.
15919 * libgcc2.c (__bb_exit_func): Likewise.
15921 * profile.c (init_branch_prob): Specify binary when opening files.
15923 * flags.h (flag_unwind_tables): New decl.
15924 * toplev.c (flag_unwind_table): New definition.
15925 (f_options): Add -funwind-tables.
15926 (decode_g_option): Clarify warning when unknown -g option is given.
15927 (rest_of_compilation): If inside an inlined external function,
15928 pretend we are just being declared.
15930 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
15931 (dwarf2out_frame_finish): Likewise.
15933 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
15935 * fold-const.c (merge_ranges): If not in0, but in1, handle
15936 upper bounds equal like subset case.
15938 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
15940 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
15941 passed in a register but moved to the stack.
15943 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
15945 * gcc.c (pass_exit_codes, greatest_status): New variables.
15946 (struct option_map): Add entry for "--pass-exit-codes".
15947 (execute): Update greatest_status if error.
15948 (display_help): Add documentation for -pass-exit-codes.
15949 (process_command): Handle -pass-exit-codes.
15950 (main): Look at pass_exit_codes and greatest_status on call to exit.
15952 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15954 * reload.c (find_reloads): Refine test for no input reload
15955 case to not includes reloads emitted after insn.
15957 * function.c (find_temp_slots_from_address): Handle sum involving
15958 a register that points to a temp slot.
15959 (update_temp_slot_address): Make recursive call if both old and
15960 new are PLUS with a common operand.
15961 * calls.c (expand_call): Mark temp slot for result as having
15964 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
15966 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
15967 component as well as "BINUTILS".
15969 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
15970 * integrate.c (copy_rtx_and_substitute): Likewise.
15971 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
15972 All callers changed.
15973 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
15975 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
15976 gdb extensions, write size of type; also be more consistent
15977 in using references when this is a subtype.
15979 * pa.md (extv, extzv, insv): Use define_expand to reject constant
15980 that is out of range.
15982 * loop.c (unknown_constant_address_altered): New variable.
15983 (prescan_loop): Initialize it.
15984 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
15985 (invariant_p, case MEM): Remove handling for volatile and readonly;
15986 check new variable if readonly.
15987 (check_dbra_loop): Chdeck unknown_constant_address_altered.
15989 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
15990 (addr_affects_sp_p): Removed from note_mem_written and only
15991 define #ifdef AUTO_INC_DEC.
15993 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
15995 * regclass.c (record_reg_classes): Properly handle register move
15998 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
15999 Don't think valid if both operands are invalid.
16000 (struct constant_descriptor): New field RTL.
16001 (mark_const_hash_entry): Mark it.
16002 (record_constant{,_rtx}): Initialize it.
16003 (output_constant_def): Allocate RTL in permanent obstack and
16005 ({record,compare}_constant_1): Modes must match for
16006 CONSTRUCTOR of ARRAY_TYPE.
16008 * c-common.h (initializer_constant_valid_p): Delete decl from here.
16009 * output.h (initializer_constant_valid_p): Move decl to here.
16010 * c-common.c (initializer_constant_valid_p): Delete function from here.
16011 * varasm.c (initializer_constant_valid_p): Move function to here.
16013 * tree.h (STRIP_SIGN_NOPS): New macro.
16014 * fold-const.c (optimize_minmax_comparison): New function.
16015 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
16016 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
16017 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
16018 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
16019 widening conversions.
16020 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
16021 to look at size of mode, not precision of type; also add missing cases.
16022 (optimize_bit_field_compare, decode_field_reference): Don't try to
16023 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
16025 * dwarf2out.c (ctype.h): Include.
16026 (dwarf2out_set_demangle_name_func): New function.
16027 (size_of_line_info): Deleted.
16028 (output_line_info): Compute size of line info table from difference
16030 (base_type_die, add_name_attribute): Call demangle function, if any.
16031 (field_byte_offset): Use bits per word for variable length fields.
16032 (gen_array_type_die): Add array name.
16033 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
16034 (dwarf2out_add_library_unit_info): New function.
16036 * explow.c (set_stack_check_libfunc): New function.
16037 (stack_check_libfunc): New static variable.
16038 (probe_stack_range): Allow front-end to set up a libfunc to call.
16040 * combine.c (simplify_comparison): When making comparison in wider
16041 mode, check for having commuted an AND and a SUBREG.
16042 (contains_muldiv): New function.
16043 (try_combine): Call it when dividing a PARALLEL.
16044 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
16045 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
16047 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
16048 use one of the CLOBBERs instead.
16049 (if_then_else_cond): If comparing against zero, just return thing
16052 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
16053 Don't generate shifts and subtract if have conditional arithmetic.
16055 * rtl.h (delete_barrier): New declaration.
16056 * jump.c (jump_optimize): Set up to handle conditional call.
16057 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
16058 (delete_barrier): New function.
16060 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
16062 * recog.c (nonmemory_operand): Accept ADDRESSOF.
16064 * tree.c (build_type_attribute_variant): Push to obstack of
16065 ttype around type_hash_canon call.
16067 * expr.c (placeholder_list): Move decl to file scope.
16068 (expand_expr): Don't force access to volatile just because its
16070 If ignoring reference operations, just expand the operands.
16071 (expand_expr, case COMPONENT_REF): Propagate
16072 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
16073 Refine test for using bitfield operations vs pointer punning.
16074 (expand_expr, case CONVERT_EXPR): If converting to
16075 BLKmode UNION_TYPE from BLKmode, just return inner object.
16076 Use proper mode in store_field call.
16077 Properly set sizes of object to store and total size in store_field
16078 call for convert to union.
16079 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
16080 memory (like for ADDR_EXPR). Also, don't put constant in register if
16081 we'll want it in memory.
16082 (readonly_fields_p): New function.
16083 (expand_expr, case INDIRECT_REF): Call it if LHS.
16084 (expand_assignment): Handle a RESULT_DECL where
16085 DECL_RTL is a PARALLEL.
16086 (do_jump, case WITH_RECORD_EXPR): New case.
16087 (get_inner_reference): Always go inside a CONVERT_EXPR
16088 and NOP_EXPR if both modes are the same.
16089 (store_field): Use bitfield operations if size of bitsize is not same
16090 as size of RHS's type.
16091 Check for bitpos not a multiple of alignment in BLKmode case.
16092 Do block move in largest possible alignment.
16093 (store_constructor): Set BITSIZE to -1 for variable size and properly
16094 in case of array of BLKmode.
16095 (expand_expr_unaligned): New function.
16096 (do_compare_and_jump): Call it.
16098 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
16099 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
16100 does not include 'o'.
16102 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
16103 both SET_DEST and SET_SRC reference a virtual register.
16104 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
16106 * integrate.c (expand_inline_function): Handle case of setting
16107 virtual stack vars register (from built in setjmp); when parameter
16108 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
16109 (subst_constant): Add new parm, MEMONLY.
16110 (expand_inline_function, integrate_parm_decls): Pass new parm.
16111 (integrate_decl_tree): Likewise.
16112 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
16113 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
16114 (copy_rtx_and_substitute, case SET): Add explicit calls to
16115 copy_rtx_and_substitute for both sides.
16117 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
16119 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
16120 within INDEX_TYPE, instead of before.
16121 (fixup_gotos): Use f->target_rtl, not the next insn,
16122 since latter may be from a later fixup.
16123 (expand_value_return): Correctly convert VAL when promoting function
16124 return; support RETURN_REG being a PARALLEL.
16125 (expand_return): When checking for result in regs and having
16126 cleanup, consider PARALLEL in DECL_RTL as being in regs.
16128 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
16130 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
16131 last_nominal_fname): Mark const.
16132 (struct include_hash: name, nshort, control_macro): Mark
16134 (struct macrodef: symnam): Mark const.
16135 (struct if_stack: fname): Mark const.
16136 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
16137 (IStable): New character-syntax array which encompasses all
16138 the old is_foo arrays.
16139 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
16140 is_space): New macros for interrogating IStable.
16141 (check_macro_name): Kill last argument. All callers changed.
16143 * cppinit.c (initialize_char_syntax): Delete.
16144 (is_idchar, is_idstart, is_hor_space, is_space,
16145 trigraph_table): Delete.
16146 (IStable): New. Initialize with clever macros to avoid
16147 information duplication.
16148 (builtin_array): Table of builtins to get rid of explicit list
16149 in initialize_builtins.
16150 (initialize_builtins): Use builtins_array.
16151 (cpp_start_read): Call init_IStable, and set IStable['$'] if
16152 opts->dollars_in_ident.
16154 * cppexp.c: Change all refs to is_xyz[] arrays to use new
16156 (cpp_parse_expr): Avoid 'format string is not constant'
16157 warning. Use ISGRAPH to identify printable chars.
16158 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
16160 (read_and_prescan): Map trigraphs to chars with open-coded
16161 if-else-if-... sequence, not a lookup table.
16162 * cpphash.c: Change all refs to is_xyz[] arrays to use new
16164 * cpplib.c: Change all refs to is_xyz[] arrays to use new
16165 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
16166 (check_macro_name): Remove ability to report an invalid
16167 assertion name, which is never used.
16168 (do_line): Constify a couple of char *'s.
16169 * cppmain.c (main): Call cpp_cleanup before returning.
16171 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
16173 * ggc.h (struct ggc_statistics): New type.
16174 (ggc_get_size): New function.
16175 (ggc_print_statistics): Likewise.
16176 * ggc-common.c (ggc_stats): New variable.
16177 (ggc_mark_rtx_children): Keep statistics.
16178 (ggc_mark_tree_children): Likewise.
16179 (ggc_print_statistics): New function.
16180 * ggc-page.c (struct globals): Add bytes_mapped field.
16181 (alloc_anon): Update it.
16182 (release_pages): Likewise.
16183 (ggc_get_size): New function.
16184 (ggc_page_print_statistics): New function.
16185 * ggc-simple.c (ggc_get_size): New function.
16187 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
16189 * flow.c (propagate_block): When the last reference to a label
16190 before an ADDR_VEC is deleted because the reference is a dead
16191 store, delete the ADDR_VEC.
16193 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
16195 * resource.c (find_free_register): Don't use the frame pointer
16196 if frame_pointer_needed.
16198 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
16200 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
16201 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
16203 * config/i960/i960.c (i960_va_start): New locals base, num.
16204 Use INDIRECT_REF instead of ARRAY_REF on valist.
16205 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
16207 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
16209 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
16211 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
16213 * tree.def (PLACEHOLDER_EXPR): Update comments.
16215 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16217 * c-common.c (check_format_info): Avoid non-literal format string
16218 warnings when `first_arg_num' is zero.
16220 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16222 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
16224 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
16226 * arm.md (casesi_insn): Add a clobber of the condition code
16229 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
16231 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
16232 used by both cc1 and cc1plus.
16234 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
16236 * config/arm/arm.c: Initialise arm_structure_size_boundary to
16237 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
16238 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
16239 to the value 32 if it has not already been defined.
16240 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
16241 Override definition in arm.h with a value of 8.
16243 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
16245 * c-pragma.c (push_alignment): Don't check the return value
16248 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
16250 * sparc.h (ADJUST_COST): Fix thinko.
16252 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
16254 * cccp.c (rescan): Fixed obp pointer handling around call to
16255 check_expand subroutine.
16257 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
16259 * gcse.c (delete_null_pointer_checks): Only record non-null info
16260 for pseudos when examining stores.
16262 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
16263 splitters for these patterns. Use "#" for output templates.
16264 (addsi3_carryin_shift): New pattern.
16266 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
16268 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
16269 of the function return register into a plain REG until
16270 after function inlining is done.
16272 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
16274 * jump.c (jump_optimize_1): If we did cross-jumping, and
16275 the data will matter, rebuild the CFG.
16276 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
16277 not optimizing. Don't run shorten_branches.
16278 * toplev.c (rest_of_compilation): Run shorten_branches after
16281 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
16283 * rtl.h (note_stores): Add additional paramter.
16284 * rtlanal.c (reg_set_p_1): Take additional paramter.
16285 (reg_set_last_1): Likewise.
16286 (reg_set_p): Adjust call to note_stores.
16287 (reg_set_last): Likewise.
16288 (note_stores): Pass data parameter to worker function.
16289 * alias.c (record_set): Take additional parameter.
16290 (init_alias_analysis): Pass it.
16291 * caller-save.c (mark_set_regs): Take additional parameter.
16292 (save_call_clobbered_regs): Pass NULL to note_stores.
16293 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
16295 (record_dead_and_set_regs_1): Likewise.
16296 (reg_dead_at_p_1): Likewise.
16297 (combine_instructions): Adjust calls to note_stores.
16298 (try_combine): Likewise.
16299 (record_dead_insn): Remove.
16300 (record_dead_and_set_regs): Adjust calls to note_stores.
16301 (reg_dead_at_p): Likewise.
16302 * cse.c (invalidate_skipped_set): Take additional parameter.
16303 (cse_check_loop_start): Likewise.
16304 (cse_check_loop_start_value): Remove.
16305 (cse_set_around_loop): Adjust calls to note_stores.
16306 * flow.c (notice_stack_pointer_modification): Take additional
16307 parameter. Remove duplicate declaration.
16308 (record_volatile_insns): Adjust calls to note_stores.
16309 * gcse.c (record_set_info): Take additional parameter.
16310 (record_last_set_info): Likewise.
16311 (invalidate_nonnull_info): Likewise.
16312 (record_set_insn): Remove.
16313 (compute_sets): Adjust calls to note_stores.
16314 (last_set_insn): Remove.
16315 (compute_hash_table): Adjust calls to note_stores.
16316 (insert_insn_end_bb): Likewise.
16317 (delete_null_pointer_checks): Likewise.
16318 * global.c (mark_reg_store): Take additional parameter.
16319 (mark_reg_clobber): Likewise.
16320 (reg_becomes_live): Likewise.
16321 (global_conflicts): Adjust calls to note_stores.
16322 (build_insn_chain): Likewise.
16323 * integrate.c (note_modified_parmregs): Take additional parameter.
16324 (mark_stores): Likewise. Make it static.
16325 (save_for_inline_nocopy): Adjust calls to note_stores.
16326 (try_constants): Likewise.
16327 * integrate.h (mark_stores): Remove declaration.
16328 * jump.c (mark_modified_reg): Take additional parameter.
16329 (thread_jumps): Adjust calls to note_stores.
16330 * local-alloc.c (validate_equiv_mem_from_store): Take additional
16332 (no_equiv): Likewise.
16333 (reg_is_set): Likewise.
16334 (validate_equiv_mem): Adjust calls to note_stores.
16335 (update_equiv_regs): Likewise.
16336 (block_alloc): Likewise.
16337 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
16338 (note_addr_stored): Take additional parameter.
16339 (note_set_pseudo_multiple_uses): Likewise.
16340 (record_initial): Likewise.
16341 (prescan_loop): Adjust calls to note_stores.
16342 (strength_reduce): Likewise.
16343 (check_dbra_loop): Likewise.
16344 * regmove.c (flags_set_1): Take additional paramter.
16345 (mark_flags_life_zones): Adjust calls to note_stores.
16346 * reload1.c (mark_not_eliminable): Take additional parameter.
16347 (forget_old_reloads_1): Likewise.
16348 (reload_cse_invalidate_rtx): Likewise.
16349 (reload_cse_check_clobber): Likewise.
16350 (reload_combine_note_store): Likewise.
16351 (move2add_note_store): Likewise.
16352 (reload): Adjust calls to note_stores.
16353 (reload_as_needed): Likewise.
16354 (emit_reload_insns): Likewise.
16355 (reload_cse_regs_1): Likewise.
16356 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
16357 (reload_combine): Adjust calls to note_stores.
16358 * resource.c (update_live_status): Take additional paramter.
16359 (mark_target_live_regs): Adjust calls to note_stores.
16360 * stupid.c (find_clobbered_regs): Take additional parameter.
16361 (stupid_life_analysis): Adjust calls to note_stores.
16363 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
16365 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
16368 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
16371 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
16372 of the variable arm_structure_size_boundary.
16374 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
16376 * alias.c (init_alias_analysis): Allocate reg_known_value and
16377 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
16379 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
16380 * cse.c (cse_main): Call end_alias_analysis.
16381 * haifa-sched.c (schedule_insns): Likewise.
16382 * local-alloc. (update_equiv_regs): Likewise.
16383 * reload1.c (reload_cse_regs): Likewise.
16385 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16387 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
16388 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
16389 mapping from MASK_FPU.
16391 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
16393 * sparc.md (call): Don't bound structure return size to 0xfff.
16395 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
16397 * resource.c (mark_target_live_regs): Check that the target
16398 insn wasn't created after compute_bb_for_insn.
16400 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
16402 * ggc-page.c (poison_pages): Don't be overzealous.
16404 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
16406 * alias.c: Update comments for ADDRESS.
16407 (nonlocal_reference_p): Look inside the ADDRESS to determine if
16408 it is a local memory reference.
16410 * c-typeck.c (build_function_call): Check that the built-in
16411 function is of class BUILT_IN_NORMAL before trying to recongize
16412 it as BUILT_IN_ABS.
16413 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
16414 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
16416 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
16418 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
16420 (pre_gcse): Likewise.
16421 (hoist_expr_reaches_here_p): Likewise.
16422 (hoist_code): Likewise.
16423 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
16425 (pre_expr_reaches_here_p_work): ... here.
16426 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
16428 (expr_reaches_here_p_work): ... here.
16430 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
16432 * resource.c (find_basic_block): Delete.
16433 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
16434 (init_resource_info): Call compute_bb_for_insn.
16436 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
16438 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
16439 with already adjacent blocks, but no fallthru.
16440 (merge_blocks_move_successor_nojumps): Simplify.
16441 (debug_flow_info): New.
16443 * toplev.c (rest_of_compilation): Open jump1 dump file before
16444 jump and close after, as opposed to just using dump_rtl.
16446 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16448 * reload.h (earlyclobber_operand_p): Declare.
16449 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
16450 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
16451 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
16452 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
16454 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
16455 Richard Henderson <rth@cygnus.com>
16457 * emit-rtl.c (emit_block_insn_before): New.
16458 (emit_block_insn_after): New.
16459 * basic-block.h: Declare them.
16461 * bitmap.h: Protect from multiple inclusion.
16463 * recog.c (scratch_operand): Handle VOIDmode correctly.
16465 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
16467 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
16468 * function.c (assign_parms): Likewise.
16469 * global.c (global_conflicts): Clarify STACK_REGS commentary.
16471 * reg-stack.c (max_uid): Remove.
16472 (blocks, block_begin, block_end, block_drops_in): Remove.
16473 (block_stack_in, block_out_reg_set, block_number): Remove.
16474 (struct block_info_def, BLOCK_INFO): New.
16475 (enum emit_where): New.
16476 (current_block): New.
16477 (BLOCK_NUM): Remove.
16478 (mark_regs_pat, record_label_references): Remove.
16479 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
16481 (goto_block_pat, print_blocks, dump_stack_info): Remove.
16482 (reg_to_stack): Simplified test for existance of fp code. Use
16483 flow.c code. Call shorten_branches after cross-jump opt.
16484 (check_asm_stack_operands): Renamed from record_asm_reg_life.
16485 Return false if the asm doesn't use stack regs. Don't do life
16486 analysis on the asm.
16487 (emit_pop_insn): Replace function pointer arg `when' with
16488 enum `where'. Update all callers.
16489 (change_stack): Likewise. Update basic block end.
16490 (emit_swap_insn): Use current_block->head to limit reverse search
16491 for start of block. Use emit_block_insn_after.
16492 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
16493 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
16494 structure assignment instead of bcopy.
16495 (print_stack): New.
16496 (convert_regs_entry, convert_regs_exit): New.
16497 (convert_regs_1, convert_regs_2): Split out from convert_regs.
16498 Work on basic blocks and the CFG.
16499 (convert_regs): Use them.
16501 * i386.c (output_fix_trunc): Remove code for DImode input operand
16502 not at top-of-stack.
16503 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
16505 (fix_truncdi_1): Allow any mode scratch.
16507 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
16509 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
16510 * linux.h, netbsd.h, vms.h: Not here.
16512 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
16514 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
16515 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
16516 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
16517 CONDITIONAL_REGISTER_USEAGE): Use them.
16518 * config/mips/mips.c (mips_move_1word,mips_move_2words,
16519 gen_conditional_branch,override_options) : Use them.
16520 * config/mips/mips.md : Use them.
16522 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
16524 * i386.md (zero_extendqihi2): Use SImode register name with andl.
16526 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
16528 * integrate.c (function_cannot_inline_p): Don't allow inlining
16531 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16533 * c-parse.in (cast_expr): Constify.
16535 * cccp.c (special_symbol): Likewise.
16537 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
16539 * dwarf2out.c (base_type_die): Likewise.
16541 * global.c (allocno_compare): Likewise.
16543 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
16545 * regclass.c (fix_register): Likewise.
16547 * rtl.h (fix_register): Likewise.
16549 * stupid.c (stupid_reg_compare): Likewise.
16551 * toplev.c (decode_f_option): Likewise.
16553 * tree.c (build_complex_type): Likewise.
16555 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
16557 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
16559 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16561 * reload.c (find_reloads): Compute mode and nregs fields of all
16563 * reload1.c (calculate_needs_all_insns): Simplify a bit.
16564 (calculate_needs): Use precomputed mode/nregs values.
16565 (allocate_reload_reg): Likewise.
16567 (failed_reload, set_reload_reg): ... new functions.
16568 (choose_reload_regs_init): New function, mostly broken out from...
16569 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
16570 Also lose one #if 0 block.
16572 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
16574 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
16577 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
16579 * tree.h (BLOCK_TYPE_TAGS): Remove.
16580 (BLOCK_END_NOTE): Likewise.
16581 (BLOCK_LIVE_RANGE_FLAG): Likewise.
16582 (BLOCK_LIVE_RANGE_START): Likewise.
16583 (BLOCK_LIVE_RANGE_END): Likewise.
16584 (tree_block): Remove live_range_flag, live_range_var_flag, and
16585 type_tags. Remove end_note, live_range_start, and live_range_end.
16586 (remember_end_note): Remove prototype.
16587 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
16588 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
16590 * ggc-common.c (ggc_mark_tree_children): Don't mark
16591 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
16592 * integrate.c (adjust_copied_decl_tree): Remove.
16593 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
16594 * stmt.c (last_block_end_note): Remove.
16595 (init_stmt): Don't add a GC root for it.
16596 (expand_fixup): Don't set it.
16597 (remember_end_note): Remove.
16598 (expand_end_bindings): Don't set last_block_end_note.
16600 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16602 * reload1.c (reload_reg_free_for_value_p): Show
16603 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
16606 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
16608 * expmed.c (extract_bit_field): Allow for the case of non-integer
16609 objects that are smaller than a word (like SFmode on a 64-bit
16612 * loop.c (basic_induction_var): A non-integer variable which is
16613 being set by a paradoxical subreg is probably not a biv.
16615 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16617 * prefix.c (translate_name) Check for empty prefix string.
16619 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
16621 * Makefile.in (CPP_CROSS_NAME): New variable.
16622 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
16624 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
16625 names of the files to be uninstalled.
16627 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
16629 * collect2.c (IS_DIR_SEPARATOR): Define.
16630 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
16632 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
16635 * haifa-sched.c (add_dependence): Update the true dependency
16636 cache the first time we add a true dependence to the LOG_LINKS chain.
16638 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
16640 * fold-const.c (fold): Fix comment.
16642 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16644 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
16645 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
16646 dbxout_start_new_source_file, dbxout_source_file,
16647 dbxout_source_line, dbxout_finish, dbxout_type_fields,
16648 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
16650 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
16651 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
16652 (dbxout_block): Initialize variable `blocknum'.
16654 * dbxout.h (dbxout_init, dbxout_finish,
16655 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
16656 dbxout_args, dbxout_source_line): Constify a char*.
16658 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
16659 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
16660 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
16661 low_pc_attribute, high_pc_attribute, body_begin_attribute,
16662 body_end_attribute, comp_dir_attribute, sf_names_attribute,
16663 src_info_attribute, mac_info_attribute, producer_attribute,
16664 lookup_filename, generate_macinfo_entry, fundamental_type_code,
16665 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
16666 dwarfout_undef): Constify a char*.
16667 (add_incomplete_type, retry_incomplete_types): Add prototypes.
16669 * dwarfout.h (dwarfout_define, dwarfout_undef,
16670 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
16672 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
16674 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
16675 (MULTILIB_ISA_DEFAULT): New.
16676 (MULTILIB_DEFAULTS): Use it.
16677 * config/mips/mips.c (): Remove the now unnecessary definition
16678 of MIPS_ISA_DEFAULT.
16679 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
16680 unnecessary definition.
16682 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
16684 * arm.md (pic_load_addr): Add constraints to operand 1.
16686 1999-10-25 Bruce Korb <autogen@linuxbox.com>
16688 * fixinc/genfixes: Provide a means for specifying -D options to
16691 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
16693 * arm.c (arm_override_options): Correct initialization of
16694 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
16695 arm_is_strong, and arm_is_6_or_7.
16697 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
16698 (note_set_pseudo_multiple_uses): New function.
16699 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
16700 if a pseudo set in the loop exit is used elsewhere.
16702 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
16704 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
16706 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
16708 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
16709 a single load-address pattern.
16711 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
16713 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
16714 depending on whether or not line-number notes are present.
16716 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16718 * cccp.c (progname, file_buf, default_include, include_file,
16719 macrodef, definition, hashval, wchar_type, user_label_prefix,
16720 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
16721 expand_to_temp_buffer, is_system_include, base_name,
16722 absolute_filename, read_name_map, open_include_file,
16723 record_control_macro, check_precompiled, check_preconditions,
16724 pcfinclude, pass_thru_directive, create_definition,
16725 check_macro_name, comp_def_part, collect_expansion,
16726 check_assertion, read_token_list, assertion_install,
16727 assertion_lookup, eval_if_expression, conditional_skip,
16728 validate_else, skip_quoted_string, quote_string, macarg1,
16729 error_from_errno, install, lookup, hashf, dump_defn_1,
16730 perror_with_name, pfatal_with_name, main, trigraph_pcp,
16731 check_white_space, rescan, handle_directive, monthnames,
16732 special_symbol, do_include, remap_include_file, write_output,
16733 arglist, do_assert, do_unassert, do_line, do_error, do_once,
16734 do_ident, do_sccs, do_xifdef, skip_if_group,
16735 output_line_directive, macroexpand, macarg, change_newlines,
16736 initialize_builtins, make_definition): Constify a char*.
16738 * pcp.h (stringdef): Likewise.
16740 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
16742 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
16745 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
16746 Richard Henderson <rth@cygnus.com>
16748 * alias.c: Include ggc.h.
16749 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
16750 (record_set): Verify enough room in reg_base_value.
16751 (init_alias_analysis): Allocate reg_base_value with xcalloc.
16752 Register it as a GC root.
16753 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
16754 * Makefile.in (alias.o): Depend on ggc.h.
16756 * unroll.c (unroll_loop): Verify the insn before a barrier
16757 is a JUMP_INSN before checking JUMP_LABEL.
16759 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16761 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
16762 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
16763 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
16764 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
16765 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
16766 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
16768 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16770 * output.h (ctors_section, dtors_section, bss_section): Prototype.
16772 * alpha/alpha-interix.h (text_section): Delete prototype.
16773 * alpha/elf.h (text_section): Likewise.
16774 * arm/linux-elf.h (text_section): Likewise.
16775 * arm/linux-telf.h (text_section): Likewise.
16776 * c4x/c4x.h (text_section): Likewise.
16777 * dsp16xx/dsp16xx.h (bss_section): Likewise.
16778 * elfos.h (text_section): Likewise.
16779 * i386/aix386ng.h (text_section): Likewise.
16780 * i386/i386-interix.h (text_section): Likewise.
16781 * i386/sco5.h (text_section): Likewise.
16782 * i386/svr3gas.h (text_section): Likewise.
16783 * nextstep.h (text_section): Likewise.
16784 * psos.h (text_section): Likewise.
16785 * ptx4.h (text_section): Likewise.
16786 * svr3.h (text_section): Likewise.
16787 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
16789 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16791 * final.c (peephole): Delete prototype.
16793 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
16794 (pre_insert_copies): Remove unused variable `bb'.
16796 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
16799 * output.h (peephole): Add prototype.
16801 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
16803 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
16806 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
16808 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
16809 for inlined declarations.
16811 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
16813 * arm.c (logical_binary_operator): New fucntion.
16814 * arm.h (logical_binary_operator): Declare it.
16815 (PREDICATE_CODES): Handle logical_binary_operator.
16816 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
16817 output constraints. Add appropriate splitters.
16818 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
16819 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
16820 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
16822 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16824 * genoutput.c (struct operand_data): New elt eliminable.
16825 (output_operand_data): Write it.
16826 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
16827 (compare_operands): Take it into account.
16828 * recog.h (struct insn_operand_data): New elt eliminable.
16829 * reload1.c (check_eliminable_occurrences, elimination_effects): New
16831 (old_asm_operands_vec, new_asm_operands_vec): Delete.
16832 (eliminate_regs): Move code that detects changes to elimination
16833 target regs into new function elimination_effects.
16834 Delete one #if 0 block.
16835 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
16836 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
16837 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
16838 Only call eliminate_regs for real operands of the insn, not for parts
16839 of its structure or parts matched by things like match_operator.
16840 Use elimination_effects and check_eliminable_occurrences. Use
16841 copy_insn to duplicate the pattern when not in the final pass.
16843 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
16845 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
16848 1999-10-22 Bruce Korb <autogen@linuxbox.com>
16850 * fixinc/README: document the "mach" machine matching test
16851 * fixinc/fixfixes.c: Implement the #else/#endif label fix
16852 * fixinc/fixtests.c: Implement the #else/#endif label test
16853 * fixinc/inclhack.def: utilize these tests and fixes
16854 * fixinc/inclhack.sh: regen
16855 * fixinc/fixincl.x: regen
16856 * fixinc/fixincl.sh: regen
16858 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
16860 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
16863 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
16865 * gcc.1: Document exit codes.
16867 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16869 * calls.c: Include tm_p.h later, so everything we need is defined.
16870 * expr.c: Likewise.
16871 * function.c: Likewise.
16873 * except.c: Include tm_p.h.
16875 * sparc.c: Likewise.
16876 (dwarf2out_cfi_label): Don't prototype.
16877 (check_return_regs, epilogue_renumber,
16878 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
16879 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
16880 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
16881 ultra_schedule_insn): Add static prototype.
16882 (data_segment_operand, text_segment_operand): Call itself with the
16883 proper number of arguments.
16884 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
16886 * sparc.h: Move all declarations to sparc-protos.h.
16887 (SELECT_RTX_SECTION): Pass a missing MODE argument to
16890 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
16892 * config/svr4.h (text_section, ctors_section, dtors_section): Add
16894 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
16895 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
16896 ASM_OUTPUT_ASCII): Constify a char*.
16898 * sparc-protos.h: New file for sparc prototypes.
16900 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16902 * function.c (record_insns, contains): Always declare and define.
16903 (record_insns): Mark with ATTRIBUTE_UNUSED.
16905 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
16907 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
16908 to .section when outputting a .bss section to deal with multiple
16909 .bss input sections (as happens with -fdata-sections)
16910 Also output %progbits, not @progbits so the assembler doesn't treat as
16912 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
16914 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
16915 thumb parts even when building with non-thumb CPUs, by forcing
16918 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
16920 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
16921 (movdf_const_intreg_sp64): Similarly.
16923 * local-alloc.c (update_equiv_regs): Check the correct insn
16924 for pre-existing REG_EQUIV notes.
16926 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
16928 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
16929 block reached by a branch if we're not going to actually process
16932 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
16934 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
16935 a local extern function declaration.
16937 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
16939 * i386.c (ix86_expand_prologue): Properly wrap USE around
16940 reg for CALL_INSN_FUNCTION_USAGE.
16942 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
16944 * config/mips/mips.md (movdf_internal1a): Allow floating-point
16945 move between GP_REGs.
16947 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
16949 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
16950 the mode size when finding out if an offset is legal.
16952 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
16954 * basic-block.h (PROP_*): Move constants from ...
16955 * flow.c: ... here.
16956 (compute_bb_for_insn): Free the array before reallocating.
16957 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
16958 (allocate_reg_life_data): Reset all reg variables collected by
16960 (get_block_head_tail): Don't convert from bb to block.
16961 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
16962 (find_insn_reg_weight): Take block not bb.
16963 (schedule_block): Don't set block num for moved insns.
16964 (schedule_region): Don't update_life_info or find_insn_reg_weight.
16965 (schedule_insns): Do it here instead.
16966 * combine.c (combine_instructions): Invoke compute_bb_for_insn
16967 before update_life_info.
16968 * recog.c (split_all_insns, peephole2_optimize): Update for
16969 new arg to update_life_info.
16970 * rtlanal.c (remove_note): Cope with NULL note.
16971 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
16974 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
16976 * jump.c (jump_optimize_1): More accurately detect casesi insns.
16978 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
16979 block records so that merge_blocks_nomove will clean up correctly.
16980 (split_edge): Handle casesi insns.
16982 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
16984 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
16986 * pa.md (call, call_value): Do not emit a blockage after restoring
16989 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
16991 * c-typeck.c (c_expand_asm_operands): Fix typo.
16993 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16995 * arm.c (fpu_rhs_operand): Verify modes.
16996 (fpu_add_operand): Likewise.
16997 (di_operand): Likewise.
16998 (soft_df_operand): Likewise.
17000 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
17002 * arm.c (arm_return_in_memory): APCS rules state that the elements
17003 of a structure returned in a register must be 'integer-like'.
17005 1999-10-19 Bruce Korb <autogen@linuxbox.com>
17007 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
17008 in the source tree when the generated targets are out of date
17009 * fixinc/genfixes: Alter it to run individual fixes for make.
17010 * fixinc/README: rewrite
17011 * fixinc/inclhack.def: moved initial comments to README
17013 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
17015 * toplev.c (main): Do not generate an error message if an
17016 unrecognised command line switch is recognisable by another
17017 language. If extra_warnings are enabled, then generate a
17018 warning message instead.
17020 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
17022 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
17023 (insert_pack_attributes): Delete prototype.
17025 * c-pragma.c (default_alignment): New static variable.
17026 (push_alignment): Initialize to current effective alignment.
17027 (pop_alignment): Use to set new alignment.
17028 (insert_pack_attributes): Delete function.
17029 (handle_pragma_token): Set default_alignment as well each time
17030 a #pragma pack(<n>) is encountered.
17032 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
17034 * reg-stack.c (stack_result): Aggregates are not returned in
17037 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
17039 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
17041 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
17043 * basic-block.h (set_block_num): Declare.
17044 * flow.c (update_life_info): Don't call compute_bb_for_insn
17045 or free_basic_block_vars.
17046 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
17047 (insn_orig_block): Remove.
17048 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
17049 (schedule_block): Keep BLOCK_NUM up-to-date.
17050 (schedule_insns): Use compute_bb_for_insn.
17051 * recog.c (split_all_insns): Likewise.
17052 (peephole2_optimize): Likewise.
17054 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
17056 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
17057 if the pic register is used.
17059 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17061 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
17062 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
17063 if that tests TREE_PERMANENT.
17065 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
17067 * cse.c (invalidate_for_call): Do not remove memory references from
17068 the table here. It's handled elsewhere.
17070 * haifa-sched.c (add_dependence): Protect references to the
17071 true dependency cache with #ifdef INSN_SCHEDULING.
17072 (remove_dependence): Similarly.
17074 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
17075 to the cfg code that this is a return instruction.
17076 * mn10300.md (return_internal): Similarly.
17078 * combine.c (get_last_value): If the last set of a register
17079 is after subst_low_cuid, then we can not use it to determine
17080 the register's last value.
17082 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
17084 * Makefile.in: Back out previous change.
17086 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
17088 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
17090 * haifa-sched.c (add_dependence): Only check/update the cache
17092 (remove_dependence): Likewise.
17093 (schedule_insns): Only create the true_dependency_cache if the
17094 average number of instructions in a basic block is very large.
17096 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
17098 * Makefile.in (ggc-common.o): Depend on genrtl.h.
17099 (ggc-simple.o): Likewise.
17100 (ggc-page.o): Likewise.
17102 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
17104 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
17105 Prototype for exported functions.
17106 (pre_lcm, pre_rev_lcm): Remove prototypes.
17107 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
17108 (compute_available): Move to lcm.c, and change parameter order.
17109 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
17110 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
17111 (gcse_main): No longer call compute_preds_succs. Rebuild the
17112 set table after reach pre pass.
17113 (pre_insert_map, pre_delete_map, edge_list): New.
17114 (alloc_pre_mem): Allocate edge vectors.
17115 (free_pre_mem): Delete edge vectors.
17116 (compute_pre_data): Call new edge based lcm routines.
17117 (process_insert_insn): New function.
17118 (insert_insn_end_bb): Use it.
17119 (pre_edge_insert): New function.
17120 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
17122 (pre_insert_copies): Revamp using new edge based lcm outputs.
17123 (pre_delete): Likewise.
17124 (one_pre_gcse_pass): Insert & remove fake edges to the exit
17126 (compute_code_hoist_vbeinout): New new edge based routines.
17127 * lcm.c: Remove all the old LCM functions. Replace with new ones
17128 that work with the new cfg datastructures and work with edges
17131 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17133 * reload.h (struct reload): Add new fields "mode" and "nregs".
17134 * reload1.c: Change all occurrences of reload_mode and reload_nregs
17135 to reference the "mode" and "nregs" field within struct reload.
17137 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
17139 * haifa-sched.c (true_dependency_cache): New.
17140 (add_dependence): Use the true dependency cache to avoid expensive
17141 walks down the LOG_LINKS dependency list. Add entries to the
17142 cache as necessary.
17143 (remove_dependence): Remove entries from the true dependency cache
17145 (schedule_insns): Allocate and initialize and free the true
17148 * haifa-sched.c (schedule_insns): Do not remove inter-block
17149 dependencies anymore.
17151 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
17153 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
17154 * i386/t-winnt: Likewise.
17156 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
17158 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
17160 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
17162 * Makefile.in (LANGUAGES): Omit "proto".
17163 (clean): Remove stale comment about removing unprotoize.c.
17165 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17167 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
17168 using arithmetic on void pointers.
17170 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
17172 * haifa-sched.c (compute_block_forward_dependencies): Only check
17173 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
17175 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
17177 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
17178 (expr_equiv_p): Reject memories with different alias sets.
17180 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
17182 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
17183 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
17184 (f_options): Add "bounded-pointers" and "bounds-check" entries.
17185 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
17186 (lang_init): Set default for flag_bounds_check if still "unspecified".
17188 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17190 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
17192 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17194 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
17197 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17199 * config/c4x/c4x.md (*db_noclobber,
17200 *decrement_and_branch_until_zero_noclobber): New patterns and
17201 associated splitters.
17203 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17205 * config/c4x/c4x.md (parallel instruction patterns): Rework
17206 constraints to keep reload happy.
17208 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17210 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
17211 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
17212 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
17213 Add new patterns and associated post-reload splitters.
17215 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17217 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
17219 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17221 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
17223 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
17225 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17227 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
17230 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
17232 * pa.c (move_operand): Rely on memory_address_p to determine the
17233 validity of non-indexed memory addresses.
17234 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
17235 operand in DFmode and SFmode when generating PA2.0 code.
17237 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
17239 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
17241 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
17243 * mips.c (function_prologue): Fix argument types.
17244 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
17245 (casesi_internal): Write to the scratch register.
17247 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
17249 * cppexp.c (cpp_parse_escape): Make static. Change second arg
17251 (parse_charconst): Delete unnecessary cast when calling
17253 (cpplib.h): Kill prototype of cpp_parse_escape.
17255 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
17257 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
17258 * unroll.c (unroll_loop): Cast return value of alloca.
17259 * i370/i370.c: Include function.h and toplev.h.
17260 (i370_label_scan): Remove c++ commented abort.
17261 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
17262 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
17263 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
17264 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
17266 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
17268 * config/t-freebsd: Do not override USER_H.
17269 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
17271 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
17272 Mumit Khan <khan@xraylith.wisc.edu>
17274 * c-parse.in (component_decl): Support anonymous struct/union.
17276 * c-parse.y: Regenerate.
17277 * c-parse.c: Likewise.
17278 * objc/objc-parse.y: Likewise.
17279 * objc/objc-parse.c: Likewise.
17280 * c-decl.c (finish_struct): Don't sort the fields.
17281 (field_decl_cmp): Delete unused function.
17283 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
17285 * sparc.md (movsf_const_intreg): Revert last constraint change.
17286 (movdf_const_intreg_sp32): Likewise.
17288 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
17290 * cse.c: Include hashtab.h instead of splay-tree.h
17291 (struct cse_reg_info): No longer use variant union. Add new
17292 field "regno". All references changed to avoid union.
17293 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
17294 (free_cse_reg_info): Remove.
17295 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
17296 (get_cse_reg_info): Revamp to use expandable hash tables instead
17297 of splay trees. Initialize new fields in cse_reg_info structure.
17298 (new_basic_block): Similarly.
17300 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
17302 * genrecog.c (message_with_line): Prototype.
17303 (validate_pattern): Pass along the set for the dest, not a flag.
17304 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
17305 Check for PC/CC0 as sources.
17306 (nodes_identical): Check for children position match before
17307 allowing the combination.
17309 * rtl.c (read_rtx): Track line number across \\\n.
17311 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
17313 * mips.h (SPECIAL_MODE_PREDICATES): New.
17314 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
17315 (movdi+1, movsi+1): Add output reload constraint.
17316 (casesi_internal): Likewise. Fix commentary.
17317 (return_internal): Use pmode_register_operand.
17319 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
17321 * 1750a.md (movstrqi): Add missing output reload constraint.
17322 (call_value): Likewise.
17323 * a29k.md (cpxxx patterns): Add missing match_operator mode.
17324 (jmpfdec): Add missing inout reload constraint.
17325 * elxsi.md (addsi patterns): Add missing output reload constraint.
17326 (move from sp): Use @ alternates.
17327 (call_value): No constraint on output.
17328 * fr30.md (movsi_pop): Add missing output reload constraint.
17329 (movsf_constant_store): Likewise.
17330 (splits): Remove constraints.
17331 (subsi3): Add missing mode.
17332 * i370.md (cmpstrsi+1): Add missing output reload constraint.
17333 (call_value): Likewise.
17334 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
17335 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
17336 * m32r.md (movsicc_internal): Add output reload constraint.
17337 (movstrsi_internal): Add inout reload constraints.
17338 * m88k.h (reg_names): Don't declare.
17339 (SPECIAL_MODE_PREDICATES): New.
17340 * m88k.md (*): Use register_operand not reg_or_0_operand
17342 * mn10200.h (PREDICATE_CODES): New.
17343 * ns32k.md (ffs pattern): Add output reload constraint.
17344 * pdp11.md (sob pattern): Add inout reload constraint.
17345 * sh.md (splits): Remove constraints.
17346 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
17347 * v850.md (pattern_is_ok_for_epilogue): Likewise.
17348 * vax.md (jgequ pattern): Add inout reload constraint.
17350 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
17352 * configure.in (djgpp): Revert previous patch.
17353 * configure: Rebuit.
17354 * config/i386/djgpp.h: Revert previous patch.
17356 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
17358 * fixinc/inclhack.def: Restore patch lost during last merge of
17359 "no_bogosity" branch.
17360 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
17362 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
17364 * fixincludes: Add a HPUX 11 fix for inttypes.h.
17365 * fixinc/inclhack.def: Same.
17366 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
17368 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
17370 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
17371 as the base of a PLUS.
17373 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17375 * config/c4x/c4x.md: Define mode for remaining unspec operators.
17376 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
17378 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
17380 * pa.md (post_stw+1): Use pmode_register_operand.
17381 (dcacheflush, icacheflush): Likewise.
17383 * i386.md (movstricthi_1): Allow r/r.
17385 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
17387 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
17388 to (not (and (arg0) (arg1))). Similary for and.
17390 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
17391 fallthrough to associate code.
17392 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
17395 * combine.c (simplify_logical): Convert XOR to IOR if operands have
17396 no bits in common; remove XOR to ROTATE conversion.
17398 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17400 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
17402 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17404 * config/c4x/c4x.c (dst_operand): New.
17405 (PREDICATE_CODES): Update.
17406 * config/c4x/c4x.h (dst_operand): Declare it.
17407 * config/c4x/c4x.md: Define mode for each unspec usage.
17408 (move patterns): Use dst_operand predicate instead of src_operand.
17409 (movqi_update, movqf_update): Delete.
17411 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
17413 * recog.c (pmode_register_operand): New.
17414 * recog.h: Declare it.
17415 * genrecog.c (pred_codes): Likewise.
17416 (special_mode_pred_table): Likewise.
17417 (validate_pattern): Don't warn no mode for address_operand.
17419 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
17420 if the operand is not insn-like.
17422 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
17423 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
17425 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
17427 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
17429 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
17430 instead of general_operand in a SET_DEST. Use const_double_operand
17431 instead of an explicit test against CONST_DOUBLE.
17432 (movsf_const_lo): Add missing register mode.
17433 (goto_handler_and_restore): Add auxiliary test for Pmode.
17434 (flush): Adjust to use address_operand.
17435 (return_sf_no_fpu): Add missing output constraint.
17437 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
17439 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
17440 for call return value.
17441 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
17443 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
17445 * toplev.c (main): Only warn about options for other languages.
17446 * collect2.c (main): Pass -w to sub-gcc.
17448 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
17450 * flow.c (propagate_block): Add call-clobbered registers to
17453 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
17454 zapping mem_set_list.
17455 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
17456 (mark_set_1, mark_used_regs): Likewise.
17458 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
17460 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
17462 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17464 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
17465 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
17466 options. Also add a new item "C-only Warning Options" to the
17469 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
17471 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
17472 from multiple calls.
17474 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
17476 * i386.md (call value patterns): Move to the end of the file.
17477 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
17479 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
17481 * configure.in (djgpp configuration): Define extra_objects..
17482 * configure: Rebuilt.
17483 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
17484 (DTORS_SECTION_ASM_OP): Define.
17485 (INIT_SECTION_ASM_OP): Define.
17486 (FINI_SECTION_ASM_OP): Define.
17487 (DATA_SECTION_ASM_OP): Define.
17488 (TEXT_SECTION_ASM_OP): Define.
17489 (EH_FRAME_SECTION_ASM_OP): Define.
17490 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
17491 (STARTFILE_SPEC): Add crtbegin.o.
17492 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
17493 to here from LINK_COMMAND_SPEC.
17494 (DO_GLOBAL_CTORS_BODY): Define.
17495 (CRTSTUFF_USE_FINI_SECTION): Define
17496 (HAS_INIT_SECTION): Delete.
17498 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
17500 * Makefile.in (all.cross): Depend on xcpp$(exeext).
17502 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
17504 * pa.h (PREDICATE_CODES): New.
17506 * genrecog.c (validate_pattern): Condense the destination
17507 non-lvalue message.
17509 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
17511 * alpha.md (call-1): Supply missing mode for operator.
17512 (*): Add missing output reload constraints. Remove constraints
17513 from define_splits.
17515 * i386.h (SPECIAL_MODE_PREDICATES): New.
17516 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
17517 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
17518 (addsi_lea_3): Add missing mode for op 3.
17519 (prologue_set_got, prologue_get_pc): Add missing modes.
17520 (*) Add missing output reload constraints.
17522 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
17524 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
17525 check for member bit-size overflow and use var_size if it occurs.
17526 (layout_record): Use bitsize_int() to define the type size in bits.
17527 Likewise for computation and assignment to DECL_FIELD_BITPOS.
17528 (layout_decl): Likewise when assigning to DECL_SIZE.
17530 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
17532 * genrecog.c (validate_pattern): Typo last change. Verify
17533 that output operands have output reloads.
17535 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
17537 * genrecog.c (special_mode_pred_table): New.
17538 (NUM_SPECIAL_MODE_PREDS): New.
17539 (find_operand): New.
17540 (validate_pattern): New argument `insn'. Warn for assignment to
17541 any predicate accepting non-lvalues. Conditionaly warn for
17542 match_operand without a mode. Try much harder to match source
17543 and destination modes on a set.
17544 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
17546 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
17548 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
17550 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
17552 * combine.c (simplify_logical): Recognize xor pattern that encodes
17555 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17557 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
17560 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
17562 * ggc-page.c (MAP_FAILED): Provide default.
17564 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
17566 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
17567 * sparc.h (PREDICATE_CODES): Update.
17569 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
17571 * alpha.c (some_ni_operand): New.
17572 * alpha-protos.h: Declare it.
17573 * alpha.h (PREDICATE_CODES): Update.
17574 * alpha.md (sXaddq reload insns): Use some_ni_operand
17575 for SET_DEST instead of some_operand.
17577 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
17578 Jim Wilson <wilson@cygnus.com>
17580 * genrecog.c (maybe_both_true_2): Don't compare modes of
17582 (process_tree): Elide peephole2_insns. Invoke simplify_tests
17583 after find_afterward.
17584 (debug_decision_1): Dump next and afterward codes.
17586 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
17588 * rtl.c (dump_and_abort): Remove.
17589 (fatal_with_file_and_line): New.
17590 (fatal_expected_char): New.
17591 (read_rtx_lineno, read_rtx_filename): New.
17592 (read_skip_spaces): Track line number.
17593 (read_name): Use fatal_with_file_and_line.
17594 (read_rtx): Use fatal_expected_char. Track line number.
17595 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
17597 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
17598 if it isn't a CODE_LABEL.
17600 * genattr.c (main): Set read_rtx_filename.
17601 * genattrtab.c (main): Likewise.
17602 * gencodes.c (main): Likewise.
17603 * genconfig.c (main): Likewise.
17604 * genemit.c (main): Likewise.
17605 * genextract.c (main): Likewise.
17606 * genflags.c (main): Likewise.
17607 * genopinit.c (main): Likewise.
17608 * genoutput.c (main): Likewise.
17609 * genpeep.c (main): Likewise.
17611 * genrecog.c (decision_test.u.insn): Add `lineno'.
17612 (pattern_lineno, error_count): New variables.
17613 (message_with_line): New.
17614 (add_to_sequence): Break out checking code to ...
17615 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
17616 (merge_insn): Use message_with_line.
17617 (make_insn_sequence): Use validate_pattern. Record insn lineno.
17618 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
17620 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17622 * expr.c (store_constructor): Clear union if constructor is empty.
17624 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
17626 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
17627 Add !endian checks. Change %{...} to %(...).
17629 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
17631 * i386.md (*addsi3_cc): Renamed from addcsi3.
17632 (*addsi3_carry): Renamed from addxsi3.
17633 (*subsi3_cc): Renamed from subcsi3.
17634 (*subsi3_carry): Renamed from subxsi3.
17635 (*xorqi_cc_1): Renamed from xorcqi_1.
17636 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
17637 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
17639 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
17641 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
17642 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
17644 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
17646 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
17647 climb up the chain of insns.
17649 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
17651 * genrecog.c (write_subroutine): Careful for null trees.
17652 (process_tree): Don't elide empty functions.
17654 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
17656 * Makefile.in (genrtl.o): Depend on ggc.h.
17657 * configure.in (valloc): Probe for it.
17658 (with-gc): Use ggc-page if valloc present.
17659 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
17660 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
17661 (ggc_alloc_string): Moved from ggc-page.c.
17662 * ggc-none.c (ggc_alloc_obj): New.
17663 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
17664 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
17665 (struct globals): Likewise for dev_zero_fd.
17666 (init_ggc): Likewise for it's initialization.
17667 (ggc_allocated_p): Move careful dereference from ...
17668 (ggc_lookup_page_table): ... here. Delete.
17669 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
17670 (alloc_anon): Use valloc if no mmap.
17671 (release_pages): Use free if using valloc.
17672 (ggc_alloc_obj): Renamed from alloc_obj.
17673 (ggc_set_mark): Renamed from mark_obj.
17674 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
17675 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
17676 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
17677 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
17678 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
17679 (ggc_collect): Use fp printing instead of our own rounding.
17680 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
17681 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
17682 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
17683 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
17684 (struct ggc_string, struct ggc_any): Delete.
17685 (offsetof): Provide default definition.
17686 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
17688 (struct ggc_mem): New, from corpse of ggc_any.
17689 (struct ggc_status): Delete.
17690 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
17691 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
17692 (n_strings_collected, n_anys_collected): Delete.
17693 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
17694 (ggc_alloc_string, ggc_alloc): Delete.
17695 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
17696 (ggc_free_string, ggc_free_any): Delete.
17697 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
17698 (ggc_compare_addresses, ggc_mark_string): Delete.
17699 (ggc_mark_string_if_gcable, ggc_mark): Delete.
17700 (search_data): Delete.
17701 (struct globals): New.
17702 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
17703 (tree_insert, tree_lookup): New.
17704 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
17705 (clear_marks, sweep_objs): New.
17706 (ggc_collect): Gut. Use clear_marks, sweep_objs.
17707 (init_ggc): Set allocated_last_gc.
17708 (ggc_push_context): Gut. Use G.context.
17709 (ggc_pop_context): Likewise.
17710 (ggc_pop_context_1): New.
17711 (debug_ggc_tree): New.
17712 (debug_ggc_balance, tally_leaves): New.
17713 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
17714 (ggc_mark_string_if_gcable): Remove decl.
17715 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
17716 (ggc_mark_rtvec_children): New.
17717 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
17718 (ggc_mark_if_gcable): New decl.
17719 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
17720 (ggc_alloc_tree, ggc_alloc): Likewise.
17721 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
17722 (ggc_alloc_obj): New decl.
17723 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
17724 (ggc_alloc_tree, ggc_alloc): Likewise.
17725 (ggc_set_mark): New decl.
17726 * rtl.h (struct rtx_def): Remove gc_mark.
17727 (struct rtvec_def): Likewise.
17728 * tree.h (struct tree_common): Likewise.
17730 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
17732 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
17733 float_format and thread_file definitions.
17734 * configure: Rebuilt.
17736 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
17738 * extend.texi (Function Names): Document types of function names.
17740 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17742 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
17743 an earlyclobbered output conflict with RELOAD_INPUT reloads.
17745 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17747 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
17749 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17751 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
17753 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
17755 * collect2.c (main): Do prelimnary link on AIX if rflag.
17757 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17759 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
17760 __CTOR_LIST__ in opposite order, which is the correct order for sorted
17762 (__do_global_dtors): similarly for __DTOR_LIST__.
17764 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17765 Diego Novillo <dnovillo@cygnus.com>
17767 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
17770 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
17772 * fixincl/*: Merged "no_bogosity" branch
17773 * fixincl/fixlib.h: protect against doubly defining t_bool
17774 * fixincl/server.h: protect against doubly defining t_bool
17776 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
17778 * genoutput.c: Include toplev.h.
17780 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
17782 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
17784 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
17785 * configure: Regenerate.
17787 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
17789 * gcse.c (delete_null_pointer_checks): Returns void.
17791 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17793 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
17794 * emit-rtl.c (copy_insn_1): Likewise.
17796 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
17798 * config/mips/mips.c (mips_build_va_list): Correct
17799 TREE_CHAIN setting when hard-float.
17800 (mips_va_start): Use corrected setting.
17801 (mips_va_arg): Likewise. Also pass a tree to build of
17802 POSTINCREMENT_EXPR rather than a naked 'int'.
17804 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
17806 * ggc.h (ggc_push_context): Fix comment.
17807 (ggc_pop_context): Likewise.
17808 (mark_string_if_gcable): Likewise.
17809 * ggc-common.c (ggc_mark_rtx_children): Use
17810 ggc_mark_string_if_gcable.
17811 * ggc-page.c (ggc_lookup_page_table): New function.
17812 (ggc_allocated_p): Likewise.
17813 (mark_obj): Fix formatting.
17814 (ggc_mark_string_if_gcable): New function.
17815 * ggc-simple.c (ggc_allocated_strings): New variable.
17816 (ggc_strings_used): Likewise.
17817 (ggc_compare_addresses): New function.
17818 (ggc_pop_context): Pop the `any' memory too.
17819 (ggc_mark_string_if_gcable): New function.
17820 (ggc_collect): Initialize and tear down ggc_allocated_strings.
17822 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
17824 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
17825 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
17826 * rs6000.c (expand_block_move): Match movstrsi_?reg register
17829 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
17831 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
17832 (sched_reg_live_length, sched_reg_basic_block): Delete.
17833 (current_block_num, bb_live_regs, old_live_regs): Delete.
17834 (dead_notes, struct sometimes): Delete.
17835 (sched_note_set, birthing_insn_p): Delete.
17836 (adjust_priority): Gut useless reg lifetime code.
17837 (create_reg_dead_note, attach_deaths): Delete.
17838 (attach_deaths_insn, new_sometimes_live): Delete.
17839 (finish_sometimes_live): Delete.
17840 (find_pre_sched_live, find_post_sched_live): Delete.
17841 (update_reg_usage): Delete.
17842 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
17843 (schedule_insns): Delete reg lifetime code.
17844 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
17845 (unlink_other_notes): Adjust REG_NOTE commentary.
17846 (reemit_notes): Use REG_SAVE_NOTE.
17847 (schedule_block): Likewise.
17848 (schedule_region): Allocate bitmap of blocks in region. Use
17849 count_or_remove_death_notes. Use update_life_info.
17851 * rtl.h (REG_SAVE_NOTE): New.
17852 * rtl.c (reg_note_name): Update.
17854 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
17856 * combine.c (refresh_blocks, need_refresh): New.
17857 (combine_instructions): Allocate refresh_blocks. Invoke
17858 update_life_info if needed.
17859 (distribute_notes): Mark refresh_blocks instead of installing
17861 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
17862 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
17864 * Makefile.in (recog.o): Depend on basic-block.h.
17866 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
17868 * genrecog.c (add_to_sequence): Thinko last change: delete
17869 shadowing allow_const_int variable.
17871 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17873 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
17874 __GNUC__ and __GNUC_MINOR__.
17876 * gansidecl.h: Likewise.
17882 * toplev.h: Likewise.
17884 * tree.c: Likewise.
17886 * tree.h: Likewise.
17888 * varray.c: Likewise.
17890 * varray.h: Likewise.
17892 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17894 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
17895 use one before a jump table.
17897 * rtl.def (ADDRESS): Change documentation to match reality.
17898 * md.texi: Don't document it.
17899 * gmicro.md (load address pattern): Use 'p' constraint, delete use
17902 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
17904 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
17906 * genrecog.c (add_to_sequence): Move allow_const_int test outside
17907 known predicate block; default allow_const_int true.
17908 (debug_decision_list): New.
17910 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
17912 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
17914 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
17916 * gcse.c (gcse_main): Avoid global optimizations if we have a
17917 large number of basic blocks and the ratio of edges to blocks
17919 (delete_null_pointer_checks): Likewise.
17921 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
17923 * c-common.c (check_format_info): Warn if format string isn't a
17926 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17928 * configure.in (arm*-*-*): Don't let autoconf remove brackets
17929 * configure: regenerate
17931 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
17933 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
17934 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
17935 (peepholes): Re-enable.
17937 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
17939 * Makefile.in (flow.o): Depend on TREE_H.
17940 * basic-block.h (REG_SET_EQUAL_P): New.
17941 (XOR_REG_SET): New.
17942 (n_edges): Declare.
17943 (free_regset_vector): Remove declaration.
17944 (flow_delete_insn_chain): Declare.
17945 (enum update_life_extent): New.
17946 (update_life_info, count_or_remove_death_notes): Declare.
17947 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
17948 Verify register live at bb->global_live_at_start before adding USE.
17949 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
17950 (CLEAN_ALLOCA): New.
17952 (PROP_*): New flags.
17953 (find_basic_blocks_1): Use alloc_EXPR_LIST.
17954 (clear_edges): Zero n_edges.
17955 (make_edge): Increment n_edges.
17956 (split_edge): Don't allocate bb->local_set. Increment n_edges.
17957 (flow_delete_insn_chain): Export.
17958 (delete_block): Decrement n_edges.
17959 (merge_blocks_nomove): Likewise.
17960 (life_analysis): Give life_analysis_1 PROP flags.
17961 (verify_wide_reg_1, verify_wide_reg): New.
17962 (verify_local_live_at_start): New.
17963 (update_life_info): Rewrite to call into propogate_block.
17965 (mark_regs_live_at_end): After reload, if epilogue as rtl,
17966 always mark stack pointer. Conditionally mark PIC register.
17967 After reload, mark call-saved registers, return regsiters.
17968 (life_analysis_1): Accept PROP flags not remove_dead_code.
17969 Call mark_regs_live_at_end before zeroing regs_ever_live.
17970 Use calculate_global_regs_live. Copy global_live_at_end before
17971 calling final propagate_block. Zero reg_next_use on exit.
17972 (calculate_global_regs_live): New.
17973 (allocate_bb_life_data): Don't allocate bb->local_set.
17974 (init_regset_vector, free_regset_vector): Remove.
17975 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
17976 Test flags before every operation. Warn if prologue/epilogue insn
17977 would have been deleted.
17978 (mark_set_regs, mark_set_1): Accept and use FLAGS.
17979 Use alloc_EXPR_LIST.
17980 (mark_used_regs): Accept and use FLAGS, not FINAL.
17981 Remove special handling for RETURN.
17982 (try_pre_increment): Use alloc_EXPR_LIST.
17983 (dump_flow_info): Dump n_edges.
17984 (unlink_insn_chain, split_hard_reg_notes): Remove.
17985 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
17986 (find_insn_with_note, new_insn_dead_notes): Remove.
17987 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
17988 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
17989 (replace_insns): Remove.
17990 (count_or_remove_death_notes): New.
17991 (verify_flow_info): Abort on error after all checks.
17992 (remove_edge): Decrement n_edges.
17993 (remove_fake_edges): Tweak format.
17994 * haifa-sched.c (schedule_insns): Use split_all_insns.
17995 * output.h (update_life_info): Remove declaration.
17996 * recog.c (split_all_insns): From the corpse of split_block_insns,
17997 do the whole function block by block. Use update_life_info.
17998 (recog_last_allowed_insn): New.
17999 (recog_next_insn): Mind it.
18000 (peephole2_optimize): Set it. Walk backwards through blocks.
18001 Use update_life_info.
18002 * rtl.h (update_flow_info, replace_insns): Remove declarations.
18003 (split_all_insns): Declare.
18004 * toplev.c (rest_of_compilation): Thread prologue before flow2.
18005 Use split_all_insns.
18007 * i386.md (or -1 peep2s): Disable.
18009 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
18011 * config/mips/mips.md (movstrsi+[123]) : Combine these into
18012 a single pattern. Scrap the 'd' versions as unnecessary.
18014 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
18015 tablejump_mips162,tablejump_internal4): The operands to a
18016 label_ref must be VOIDmode.
18018 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18020 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
18022 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
18024 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
18026 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
18028 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
18029 cache every function if ggc_p.
18031 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18033 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
18034 instead of copy_rtx. Accept sequences that contain asm statements.
18035 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
18036 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
18037 orig_asm_operands_vector, copy_asm_operands_vector,
18038 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
18040 * rtl.h (copy_insn, copy_insn_1): Declare.
18042 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18044 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
18046 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
18047 arguments to `current_file_function_operand'.
18049 * genrecog.c: Include hard-reg-set.h and resource.h in the
18050 generated output file.
18052 * real.c: Include tm_p.h.
18054 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18056 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
18059 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
18061 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
18062 before the fctiwz insn.
18064 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18065 Mark Mitchell <mark@codesourcery.com>
18067 * tree.c (make_lang_type_fn): New funtion pointer.
18068 (make_lang_type): Call it.
18069 * tree.h (make_lang_type): Declare.
18070 (make_lang_type_fn): Likewise.
18071 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
18073 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
18075 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
18076 make sure that HIGH instructions are copied into BASE_REGS.
18078 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
18080 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
18082 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
18084 * c-decl.c (finish_struct): Use simpler method of
18085 removing elements of a singly-linked list.
18087 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
18089 * alpha.md (peephole2's): Comment out peephole2's that generate
18092 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
18094 * genrecog.c (add_to_sequence): Disable mode check for
18097 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18099 * ggc-simple.c (init_ggc): Set empty_string.
18101 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
18103 * configure.in: Detect mmap. Add --with-gc=foo to select
18104 garbage collector; default to page if mmap available.
18105 * Makefile.in (GGC): Substitute.
18107 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
18109 * c-decl.c (ggc_p): Enable.
18111 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18113 * flow.c (verify_flow_info): Make it extern & unconditionally define.
18115 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
18117 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
18118 string for little-endian-data.
18120 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
18122 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
18123 case somebody tries to compile --enable-checking code with gcc
18126 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
18128 * genrecog.c (add_to_sequence): Verify operand to label_ref is
18131 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
18133 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
18134 * jump.c (jump_optimize_1): Document why.
18136 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18138 * collect2.c (scan_prog_file, scan_libraries): Prototype function
18139 pointers and casts for `int_handler' and `quit_handler'.
18141 * flow.c (verify_flow_info, split_hard_reg_notes,
18142 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
18143 remove_edge, remove_fake_successors): Add static prototypes.
18144 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
18145 (mark_set_1): Initialize variable `regno'.
18146 (unlink_insn_chain): Likewise for variable `curr'.
18147 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
18149 * loop.c (strength_reduce): Initialize variable
18150 `unrolled_insn_copies'.
18151 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
18152 prototypes. Change these functions to take const PTR parameters
18153 to avoid prototype conflict when used as the comparson argument
18155 (check_dbra_loop): Initialize variable `comparison_val'.
18157 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
18158 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
18159 (find_valid_class): Initialize variable `best_class'.
18160 (find_reloads): Call memcpy, not bcopy.
18162 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
18163 (hard_reg_use_compare): Don't needlessly cast away const.
18164 (reload_reg_class_lower): Likewise.
18165 (choose_reload_regs): Initialize variable `regno'.
18167 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
18169 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
18171 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
18173 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
18174 ({,d}discard): Add forward declarations. Declare parameter as
18176 (main_without_main): Explicitly declare return type to be int.
18177 (memcpy): Properly declare.
18179 * libgcc2.c (toplevel): If inhibit_libc is defined and not
18180 building the trampoline support, declare malloc, free, and
18182 (__clear_cache): Mark arguments as potentially unused.
18184 * frame.c (toplevel): If inhibit_libc is defined, declare
18187 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
18189 * flow.c (make_edge): Accept an optional 2D bitmap in which
18190 to cache edge existence. Update all callers.
18191 (make_label_edge, make_eh_edge): Pass through the edge cache.
18192 (make_edges): Provide the cache.
18194 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18196 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
18198 (local_mbtowc): Change the type of variable `i' from int to size_t.
18200 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
18201 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
18203 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
18205 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
18206 after other includes that define the appropriate types. Include
18207 tm_p.h for getting user prototypes.
18208 * ggc-callbacks.c (toplevel): Ditto.
18209 * ggc-none.c (toplevel): Ditto.
18210 * gcc-page.c (toplevel): Ditto.
18211 * ggc-simple.c (toplevel): Ditto.
18213 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
18214 Jonathan Larmour <jlarmour@cygnus.co.uk>
18216 * config/mips/mips.c (mips_move_2words): Split doubles if
18217 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
18219 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
18221 * genrecog.c (struct decision_test): New.
18222 (struct decision): Remove test-related members, sort the rest by size.
18223 (IS_SPLIT): Simplify.
18224 (new_decision, new_decision_test): New.
18225 (add_to_sequence): Use them. No special handling for args of
18227 (maybe_both_true): Renamed from not_both_true; return sense changed.
18228 (maybe_both_true_1, maybe_both_true_2): New. Broken out
18229 of maybe_both_true and adjusted for decision_test.
18230 (position_merit): Remove.
18231 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
18232 (merge_accept_insn): New, broken out of merge_trees.
18233 (merge_trees): Use them. No special case for c_test; no node
18234 splitting; use test type instead of position_merit.
18235 (factor_tests): New.
18236 (simplify_tests): New.
18237 (break_out_subroutines): Don't write code now.
18238 (find_afterward): New.
18239 (write_afterward, write_switch, write_cond): New.
18240 (write_action, is_unconditional): New.
18241 (write_node): New. Use them.
18242 (write_tree_1): Rewrite. Use the new functions above.
18243 (write_tree): Remove afterward processing.
18244 (write_subroutine): Simplify function variant emission.
18245 (write_subroutines): New.
18246 (same_codes, clear_codes): Remove.
18247 (same_modes, clear_modes): Remove.
18248 (write_header): New, broken out of main.
18249 (make_insn_sequence): Use new_decision and new_decision_test.
18250 (process_tree): New, broken out of main.
18251 (main): Adjust for merge_trees interface change.
18252 Don't #define operands in the output file.
18253 (record_insn_name): New, broken out of make_insn_sequence.
18254 (debug_decision_2, debug_decision_1, debug_decision_0): New.
18255 (debug_decision): New.
18257 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
18259 * resource.c (find_free_register): Mark class_str argument const.
18260 * resource.h: Update prototype to match.
18262 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
18263 * i386.md: Give all anonymous insns names.
18265 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
18267 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
18270 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
18272 * toplev.c (dbr_sched_time): Unconditional.
18273 (peephole2_time): New.
18274 (compile_file): Add pass numbers to all of the dump file suffixes.
18275 Dump peephole2_time. Don't dump times for non-applicable passes.
18276 (rest_of_compilation): Add pass numbers to dump file suffixes.
18277 Conditionalize calls to the scheduler.
18278 * invoke.texi: Update.
18280 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
18282 * flow.c (make_edges): Fix insn iteration.
18283 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
18284 (find_basic_blocks_1): Fix spelling mistake.
18286 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
18288 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
18289 always have side-effects. Use memset not bzero.
18290 (make_node): Likewise.
18292 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
18294 * stmt.c (expand_anon_union_decl): When any of the elements of the
18295 union is addressable, so is the entire union.
18297 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
18299 * sbitmap.c (sbitmap_ones): Don't set too many bits.
18301 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
18302 * bitmap.c (bitmap_operation): Return true iff TO changed.
18303 (bitmap_equal_p): New.
18304 (bitmap_bit_p): Tidy arithmetic.
18305 (debug_bitmap_file): Likewise.
18307 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
18309 * toplev.c (rest_of_compilation): Turn on cse_not_expected
18310 before cse2 instead of after.
18312 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
18314 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
18317 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18319 * cppinit.c (is_idchar initializer): Loosen tests to accept
18322 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
18324 * mips.md: Define conditional move patterns for floating point
18325 operands and DI mode conditions.
18327 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
18329 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
18330 always have side-effects.
18332 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
18334 * mn10200.c (asm_file_start): Fix typo.
18336 * cppinit.c (is_idchar initializer): Tighten tests for when
18337 to put the table into initialized memory.
18339 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
18340 not an array of rtunion.
18341 * gcc-page.c (ggc_alloc_rtvec): Similarly.
18342 * gcc-simple (ggc_free_rtvec): Similarly.
18344 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
18347 * mbchar.h: Add missing #endif.
18349 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
18350 (FPBIT, DPBIT): Define.
18352 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18354 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
18356 * profile.c (instrument_arcs, output_gcov_string,
18357 tablejump_entry_p): Add static prototypes.
18358 (output_gcov_string): Constify a char*.
18360 * regmove.c (replacement_quality, fixup_match_2): Add static
18363 * resource.h (reg_dead_p): Add extern prototype.
18365 * rtl.c (trim_filename): Add static prototype.
18367 * scan-decls.c (skip_to_closing_brace): Likewise.
18369 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
18370 (expand_end_case): Initialize variable `range'.
18371 (emit_case_nodes): Remove unused prototype `rtx_fn'.
18373 * varasm.c (asm_emit_uninitialised): Add static prototype.
18374 (asm_emit_uninitialised, assemble_variable): Mark parameter with
18377 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18379 * cpplib.c (if_directive_nameo): Add static prototype.
18381 * cse.c (cse_insn): Remove unused variable `p'.
18383 * except.c (create_rethrow_ref, push_entry,
18384 receive_exception_label, new_eh_region_entry, find_func_region,
18385 clear_function_eh_region, process_nestinfo): Add static prototypes.
18386 (get_reg_for_handler): Hide definition.
18387 (process_nestinfo): Initialize variable `extra_handlers'.
18389 * expr.h (expand_builtin_longjmp): Add extern prototype.
18391 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
18393 * function.c (prepare_function_start): Likewise.
18394 (pop_function_context_from): Mark parameter `context' with
18396 (push_temp_slots_for_block, flush_addressof): Hide definition.
18398 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
18399 solve_program_flow_graph, calculate_branch_probs,
18400 function_summary, main, fancy_abort): Add prototypes.
18402 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
18403 (add_hash): Constify a char*.
18405 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
18406 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
18407 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
18409 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
18411 * lists.c (free_list, zap_lists): Likewise.
18413 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18415 * alias.c (nonlocal_reference_p): Add static prototype.
18417 * bitmap.c (bitmap_element_allocate): Prototype args in function
18420 * builtins.c (stabilize_va_list): Add static prototype.
18421 (expand_builtin_va_arg): Constify a char*.
18423 * c-lex.c (getch, put_back, extend_token_buffer_to,
18424 read_line_number, token_getch, token_put_back): Add static
18427 * c-parse.gperf (hash, is_reserved_word): Likewise.
18429 * cccp.c (is_dir_separator): Likewise.
18431 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18433 * graph.h: New file to prototype functions exported by graph.c.
18435 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
18437 * graph.c: Include graph.h.
18439 * toplev.c: Likewise. Remove redundant prototypes.
18441 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
18443 * invoke.texi: Removed duplicated description for -Q.
18445 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
18447 * extend.texi: Grammar fix in __extension__ text.
18449 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
18451 * md.texi (define_peephole2): New section.
18453 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
18455 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
18456 (mov $-1 to or peepholer): Enable for pentium when optimizing for
18459 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
18461 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
18463 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
18465 * i386.md (ffs expander): Emit Pentium friendly code for
18468 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
18470 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
18472 (build1): Likewise.
18474 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18476 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
18478 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
18480 * config/m68k/m68k.c (use_return_insn): Return false if the pic
18481 register is in use.
18483 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18485 * md.texi (No Constraints): Delete section.
18486 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
18487 * final.c (final_scan_insn): We always have register constraints.
18488 * genattrtab.c: Don't include "insn-config.h".
18489 (write_attr_case): We always have register constraints.
18490 * genconfig.c (register_constraint_flag): Delete.
18491 (walk_insn_part): Don't check whether we have register constraints.
18492 (main): Don't write out "#define REGISTER_CONSTRAINTS".
18493 * genoutput.c (have_constraints): Delete.
18494 (main): Don't set it.
18495 (output_operand_data): We always have constraints.
18496 (scan_operands): Likewise.
18497 (compare_operands): Likewise.
18498 * local-alloc.c (block_alloc): We always have constraints.
18499 (requires_inout): Always compile this function.
18500 * recog.c (extract_insn): We always have constraints.
18501 (constrain_operands, reg_fits_class_p): Always compile these
18503 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
18505 (struct insn_operand_data): Likewise.
18506 * regclass.c (regclass): We always have constraints.
18507 (record_reg_classes, copy_cost, record_address_regs,
18508 auto_inc_dec_reg_p): Always compile these functions.
18509 * regmove.c (regmove_optimize): We always have constraints.
18510 * reload.c (find_reloads): Likewise.
18511 * reload1.c (reload): Likewise.
18512 (reload_cse_simplify_operands): Likewise.
18513 * i860.c (output_delay_insn): Likewise.
18515 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
18517 * iris6.h (BUILD_VA_LIST_TYPE): Define.
18519 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18521 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
18522 for the va_list record.
18524 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
18526 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
18529 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
18531 * alias.c: Include insn-flags.h.
18532 * Makefile.in (alias.o): Update.
18534 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
18536 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
18537 to LTU and GEU. Handle more cases using sbb.
18539 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
18541 * i386.md (truncatexfdf splitters): Do not use subreg.
18542 (fop XFmode patterns): Fix mode in operand testing.
18544 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
18546 * jump.c (jump_optimize_1): Amend last change to test only the
18547 form of the operand, not the insn.
18549 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
18550 not register_operand to determine when B may need preloading.
18552 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
18554 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
18555 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
18556 (call-value patterns): Move to end of file.
18557 (*): Remove mode from label_ref in (pc) context.
18558 (movstrqi): Use memory not general_operand for BLKmode operands.
18559 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
18560 to register_operand operands.
18561 (peep2 patterns): Convert from commented-out peephole patterns.
18563 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18565 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
18566 to BUILT_IN_INIT_DWARF_REG_SIZES.
18567 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
18568 Renamed from BUILT_IN_DWARF_REG_SIZE; call
18569 expand_builtin_init_dwarf_reg_sizes.
18570 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
18571 with __builtin_init_dwarf_reg_size_table.
18572 * dwarf2out.c (struct reg_size_range): Delete.
18573 (expand_builtin_init_dwarf_reg_sizes): New function.
18574 (expand_builtin_dwarf_reg_size): Delete.
18575 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
18576 (expand_builtin_dwarf_reg_size): Don't declare.
18577 * libgcc2.c (dwarf_reg_size_table_initialized): New.
18578 (dwarf_reg_size_table): New.
18579 (init_reg_size_table): New function.
18580 (copy_reg): Use dwarf_reg_size_table.
18581 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
18584 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
18586 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
18587 Correctly build argument list to constructor and destructor functions.
18589 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
18591 * c-tree.h (warn_float_equal): Declare.
18592 * c-decl.c (warn_float_equal): Define.
18593 (c_decode_option): Recognize -W[no-]float-equal.
18594 * c-typeck.c (build_binary_op): Conditionally warn
18595 about equality tests of floating point types.
18596 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
18597 * invoke.texi: Add docs for -Wfloat-equal warning.
18599 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
18601 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
18602 generating RTL directly.
18603 * mips.h (INIT_TARGET_OPTABS): Likewise.
18604 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
18606 * expr.h (init_mov_optab): Delete declaration
18608 * h8300.c (WORD_REG_USED): Update to avoid useless register
18609 saves in interrupt functions and functions which never return.
18611 * cse.c (struct set): Delete inner_dest_loc field.
18612 (cse_insn): Remove assignments to inner_dest_loc field.
18614 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
18616 * ggc-page.c: Don't include <unistd.h> etc taken care of
18617 by "system.h". Include <sys/mman.h> afterward.
18619 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
18621 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
18624 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
18626 * xcoffout.c (xcoffout_declare_function): Add documentation.
18627 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
18628 TARGET_64BIT. Compare constant to -1, not bit pattern.
18629 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
18630 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
18633 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
18635 * dwarf2out.c (add_abstract_origin_attribute): Abort if
18636 origin_die is NULL.
18637 (gen_inlined_enumeration_type_die): Do not abort if the type has
18638 not been writeen out.
18639 (gen_inlined_structure_type_die): Do not abort if the type has
18640 not been writeen out.
18641 (gen_inlined_union_type_die): Do not abort if the type has
18642 not been writeen out.
18643 (gen_tagged_type_instantiation_die): Do not abort if the type
18644 has not been written out.
18646 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18648 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
18650 * reg-stack.c (straighten_stack): Copy hard reg set with
18653 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
18655 * builtins.c (stabilize_va_list): Stabilize array type va_list
18656 to a pointer type, not the base record type.
18657 (expand_builtin_va_copy): Dereference the pointers explicitly;
18658 use the correct size for the copy.
18660 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
18661 (rs6000_va_arg): Likewise.
18663 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
18665 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
18667 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
18669 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
18671 (DECL_BUILT_IN_CLASS): Adjust accordingly.
18673 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
18675 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
18676 (init_ggc): Use it instead of a constant.
18677 (ggc_collect): Bound allocated_last_gc by it.
18679 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
18681 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
18684 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
18686 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
18687 (mips*-*-openbsd*): Let big endian configuration be a fragment.
18688 * configure: Regen.
18689 * config/mips/openbsd.h: New, OpenBSD little endian target.
18690 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
18691 * config/mips/xm-openbsd.h: New, OpenBSD host.
18693 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
18695 * config/m68k/m68k.c (output_function_prologue,
18696 output_function_epilogue): Use
18697 current_function_uses_pic_offset_table instead of regs_ever_live
18698 to decide whether to save/restore pic register.
18699 (legitimize_pic_address): Don't modify regs_ever_live any more.
18701 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
18703 * function.h (struct function): Add x_dont_save_pending_sizes_p.
18704 * stor-layout.c (variable_size): Don't add sizes to the pending
18705 sizes list if x_dont_save_pending_sizes_p is set.
18707 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
18709 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
18710 for symbolic_operand().
18711 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
18713 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18715 * combine.c (gen_rtx_combine): Add missing call to va_end().
18717 * final.c (asm_fprintf): Likewise.
18719 * genattrtab.c (attr_rtx): Likewise.
18721 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
18723 * cse.c: Update comments.
18724 (cse_insn): When converting a conditional/computed jump into
18725 an unconditional jump, always make sure a BARRIER immediately
18726 follows the converted jump. Do not delete unreachable code.
18727 (cse_basic_block): Do not delete unreachable code.
18728 * toplev.c (rest_of_compilation): Move call to
18729 delete_trivially_dead_insns after the conditional call to
18732 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18734 * collect2.c (make_temp_file): Don't prototype.
18736 * gcc.c (make_temp_file): Likewise.
18738 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
18740 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
18742 * varasm.c (asm_emit_uninitialised): New function: Generate
18743 the assembler statements necessary to declare an uninitialised
18745 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
18747 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
18748 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
18750 (assemble_variable): Use asm_emit_uninitialised to emit an
18751 uninitialised variable.
18753 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
18755 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
18756 constant on a 64 bit host. Patch supplied by Geoffrey Keating
18757 <geoffk@cygnus.com>.
18759 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18761 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
18762 * c-common.h (builtin_function): Don't declare.
18764 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
18766 (pushdecl): Likewise.
18767 (finish_decl): Likewise.
18768 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
18769 int. All callers changed.
18770 Set the builtin's DECL_BUILT_IN_CLASS.
18771 * tree.h (enum built_in_class): New.
18772 (enum built_in_function): Delete NOT_BUILT_IN.
18773 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
18775 (DECL_SET_FUNCTION_CODE): Likewise.
18776 (DECL_BUILT_IN_CLASS): New macro.
18777 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
18778 (struct tree_decl): Split builtin function code field into a
18780 (builtin_function): Declare.
18782 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
18784 * optabs.c (init_traps): Fix typo in last change.
18786 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
18788 * toplev.c (rest_of_decl_compilation): Update comment.
18790 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18792 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
18793 in .sbss if appropriate.
18794 (EXTRA_SECTION_FUNCTIONS): Add sbss.
18795 (SBSS_SECTION_ASM_OP): New macro.
18796 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
18797 (EXTRA_SECTIONS): Add in_sbss.
18798 * config/mips/mips.h: Prototype sbss_section.
18800 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
18802 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
18805 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
18807 * optabs.c (init_traps): Register trap_rtx as a GC root.
18809 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18811 * config/mips/mips.c (function_arg_pass_by_reference): Define
18812 unconditionally, since it's called unconditionally.
18814 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
18816 * toplev.c (documented_lang_options): Add -fshort-wchar.
18817 * c-decl.c (c_decode_option): Likewise.
18818 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
18820 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
18821 * gcc.c (default_compilers): If -fshort-wchar,
18822 override __WCHAR_TYPE__.
18823 * tm.texi (C Dialect Options): Add -fshort-wchar.
18825 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
18826 symbol for a variable.
18828 * cpplib.h (CPP_PREPROCESSED): New macro.
18829 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
18830 we're seeing this input for a second time.
18832 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
18834 * emit-rtl.c (init_emit_once): Initialize modes first.
18836 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
18838 * config/i386/i386.c (pic_label_name): Change to char pointer.
18839 (global_offset_table): New variable.
18840 (load_pic_register): Fill global_offset_table if it hasn't
18841 already been done. Allocate pic_label_name dynamically.
18842 * ggc.h (empty_string): New variable.
18843 * ggc-simple.c (empty_string): Likewise.
18844 (init_ggc): Allocate empty_string and add as root.
18845 * stmt.c (digit_strings): New variable.
18846 (init_stmt): Add last_block_end_note as root. Allocate and
18847 initialize digit_strings.
18848 (expand_asm_operands): Use empty_string instead of string
18849 constant. Use digit_strings instead of string constants.
18850 * profile.c (init_arc_profiler): Allocate string with
18851 ggc_alloc_string instead of xmalloc.
18852 (output_func_start_profiler): Likewise.
18853 * c-typeck.c (digest_init): Check if init is error_mark_node.
18855 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
18856 Richard Henderson <rth@cygnus.com>
18858 * ggc-page.c: New file.
18859 * Makefile.in (ggc-page.o): New.
18861 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
18863 * invoke.texi: Document -fdelete-null-pointer-checks
18864 * toplev.c (flag_delete_null_pointer_checks): New.
18865 (f_options): Add entry for -fdelete-null-pointer-checks.
18866 (rest_of_compilation): Conditionalize null pointer check
18867 elimination on flag_delete_null_pointer_checks.
18868 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
18870 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
18872 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
18873 copyright notice and special exception to GPL.
18875 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18877 * abi64.h (mips_function_value): Add prototype arguments.
18879 * mips-protos.h: New file with mips prototypes.
18881 * mips.c: Include "tm_p.h".
18882 (mktemp, lookup_name): Add prototype arguments.
18883 (extern_list, string_constant, mips_fill_delay_slot,
18884 mips_output_external, mips_output_external_libcall,
18885 mips_output_filename, mips_declare_object, function_prologue,
18886 mips_expand_prologue, function_epilogue, mips16_constant,
18887 build_mips16_function_stub, mips_output_conditional_branch):
18889 (mips_va_start): Remove unused variable `u'.
18890 (mips_va_arg): Cast value to unsigned when comparing against one.
18892 (save_restore_insns, mips_expand_prologue): Add missing arg in
18893 call to `large_int'.
18895 * mips.h: Move prototypes to mips-protos.h.
18896 (data_section, memory_address_p, rdata_section,
18897 readonly_data_section, simple_epilogue_p, text_section): Delete
18898 prototypes delcared elsewhere.
18899 (mips_epilogue_delay_slots, print_options): Delete unused decls.
18901 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
18903 * mips.md: Delete extra args in call to `mips_move_2words'.
18905 * xm-iris6.h (alloca): Add prototype argument.
18907 * genpeep.c: Include "tm_p.h" in generated output file.
18909 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18911 * basic-block.h (find_edge_index): Change parameters.
18912 * flow.c (verify_edge_list): Pass basic_block parameters to
18913 find_edge_index instead of integers.
18915 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
18917 * combine.c (simplify_comparison): Use an unsigned shift to adjust
18920 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
18922 * gcc.1: Fix a formatting error.
18924 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18926 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
18927 i786, mn10200, mn10300, pdp11, v850.
18929 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
18931 * libgcc2.c (num_digits): Add prototype with
18932 __attribute__((const)).
18933 (__terminate): Add prototype.
18935 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
18937 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
18939 * alpha/alpha.c (print_operand): Fix type of `code'.
18940 (alpha_output_filename): Constify.
18941 * alpha/alpha.h: Move all function declarations ...
18942 * alpha/alpha-protos.h: ... here. New file.
18943 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
18944 (SECTION_FUNCTION_TEMPLATE): Likewise.
18946 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18948 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
18949 * expr.c (expand_expr): Likewise.
18950 (do_jump): Likewise.
18951 (do_store_flag): Pass ccp_store_flag to can_compare_p.
18952 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
18954 (enum can_compare_purpose): New.
18955 (can_compare_p): Adjust prototype.
18956 (prepare_cmp_insn, prepare_operand): Declare.
18957 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
18958 * optabs.c (cmp_available_p): Deleted.
18959 (expand_abs): Pass ccp_jump to can_compare_p.
18960 (can_compare_p): New arg PURPOSE. Check for combined optabs.
18961 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
18962 Call can_compare_p rather than cmp_available_p.
18963 (prepare_operand): No longer static.
18964 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
18965 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
18966 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
18967 sequence to use emit_cmp_and_jump_insns.
18968 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
18970 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
18972 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
18973 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
18974 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
18975 (plus (reg) (const_int 0))
18976 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
18978 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
18980 * rs6000.c (expand_block_move): DImode loads and stores require
18981 word-aligned displacements. Increment address registers with
18982 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
18984 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
18986 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
18987 is no name for the base type, rather than segfault. If we are
18988 writing out a complex integer type, use DW_ATE_lo_user.
18990 * expr.c (emit_move_insn_1): If we are copying a complex that fits
18991 in one word or less (complex char, complex short, or on 64 bit
18992 systems complex float) to/from a hard register, copy it through
18993 memory instead of dying in gen_{real,imag}part. If we have a
18994 short complex type, prevent inlining since it allocates stack
18997 * tree.c (build_complex_type): If we are writing dwarf2 output,
18998 generate a name for complex integer types.
19000 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19002 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
19003 * flow.c (remove_edge): Remove extra whitespace.
19004 (remove_fake_edges): Fix comment.
19005 (add_noreturn_fake_exit_edges): Use the correct name.
19007 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
19009 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
19010 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
19011 (clean): Depend on INTL_CLEAN.
19012 (maintainer-clean): Adjust.
19014 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19016 * configure.in (AC_PREREQ): Bump to 2.13.
19017 (AC_C_STRINGIZE): Call this instead of using a custom macro.
19019 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
19021 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
19023 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
19025 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
19026 (HAVE_STRINGIZE): Define.
19028 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
19030 * c-parse.in: save and restore warn_pointer_arith on __extension__
19031 along with pedantic.
19032 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
19033 Set the type of extension to itype rather than $<itype>1 kludge.
19034 * extend.texi (Alternate Keywords): Adjust documentation.
19035 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
19037 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
19039 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
19040 most assembler templates.
19042 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
19043 FP loads and stores.
19044 (following_call): Always return zero for the PA8000.
19045 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
19046 FP loads and stores.
19047 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
19049 * pa.h (BRANCH_COST): Define.
19051 * pa.md (return, return_internal): Use bve for PA2.0.
19053 * pa.md (fused multiply): Add variants which reduce height for the
19054 fused multiply, but which still generate 2 insns.
19055 (fnegabs): Similarly.
19057 * pa.md (subsi3): Turn into an expander. Create two anonymous
19058 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
19059 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
19061 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
19063 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
19065 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
19066 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
19068 * regclass.c (init_regs): Add "top_of_stack" as a garbage
19071 * flow.c (record_active_eh_regions): Terminate loop after finding
19072 the last insn in the last basic block.
19074 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19076 * config/c4x/c4x.md: Delete parallel instruction peepholes.
19078 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19080 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
19082 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19084 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
19085 splitting to not use output template.
19087 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19089 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
19090 * config/c4x/c4x.c (c4x_va_start): New function.
19092 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
19094 * genrecog.c (not_both_true): Handle correctly cases when called for
19095 tests with different positions in the insn.
19097 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19099 * machmode.h (HOST_PTR_PRINTF): Move from here ...
19101 * system.h (HOST_PTR_PRINTF): ... to here.
19103 * mips-tfile.c: Don't include machmode.h.
19105 * Makefile.in (MACHMODE_H): New variable. Update to use it.
19106 (mips-tfile.o): Don't depend on machmode.h.
19108 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19110 * haifa-sched.c (sched_analyze): Rename local variable `region' to
19111 avoid conflicts with typedef struct `region' at the top level scope.
19113 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
19115 * basic-block.h (basic_block): Add eh_beg, eh_end.
19116 * flow.c (entry_exit_blocks): Update.
19117 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
19118 Call new functions.
19119 (find_basic_blocks_1): Don't record eh_list at each bb. Use
19120 lists.c functions to allocate insn lists.
19121 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
19123 (make_eh_edge): ... here. New.
19124 (move_stray_eh_region_notes): New.
19125 (record_active_eh_regions): New.
19126 (delete_unreachable_blocks): Split out block merging ...
19127 (try_merge_blocks): ... here. New.
19128 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
19129 Dump debugging data.
19130 (merge_blocks_move_successor_nojumps): Likewise.
19131 (merge_blocks): Use eh_beg+eh_end to validate block movement.
19133 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
19135 * extend.texi (Bound member functions): Document unbound pmf
19138 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19140 * flow.c (split_edge): Handle insertion on a fallthrough edge which
19141 has the EXIT_BLOCK as a dest.
19143 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19145 * flow.c (remove_edge): New function to remove an edge from the
19147 (remove_fake_successors): New function to remove fake successor edges.
19148 (remove_fake_edges): New function to remove all fake edges from the
19150 (add_fake_exit_edges): New function to add fake edges from all blocks
19151 with no successors to the exit block.
19152 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
19153 prototypes for new functions.
19155 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19157 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
19158 Use Pmode to determine whether to output .dword or .word.
19160 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
19162 * tree.c (built_in_filename): New variable.
19163 (BUILT_IN_FILENAME): New macro.
19164 (init_tree_codes): Allocate built_in_filename.
19165 (make_node): Use built_in_filename instead of string constant.
19167 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
19169 * configure.in: Add fr30 target.
19170 * configure: Regenerate.
19171 * config/fr30: New directory.
19172 * config/fr30/crti.asm: New file.
19173 * config/fr30/fr30.c: New file.
19174 * config/fr30/crtn.asm: New file.
19175 * config/fr30/fr30.h: New file.
19176 * config/fr30/fr30.md: New file.
19177 * config/fr30/lib1funcs.asm: New file.
19178 * config/fr30/t-fr30: New file.
19179 * config/fr30/xm-fr30.h: New file.
19181 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
19183 * flow.c (merge_blocks_move_successor_nojumps): Delete the
19184 BARRIER at the end of the successor, not the BARRIER before
19187 * pa.c (pa_add_gc_roots): Fix thinko in last change.
19189 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
19191 * stmt.c (any_pending_cleanups): Don't crash when
19192 current_function->stmt is unset.
19194 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19196 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
19197 other initializations that may use it for relative offsets.
19199 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19201 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
19202 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
19203 * config/i386/sol2dbg.h: Removed.
19204 * config/i386/sol2gas.h: New file, to enable gas work-around.
19205 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
19206 Don't use sol2dbg.h.
19207 * configure: Rebuilt.
19209 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
19211 * invoke.texi (-fthis-is-variable): Remove documentation.
19213 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
19215 * basic-block.h (compute_bb_for_insn): Declare.
19216 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
19217 to use; set size of basic_block_for_insn directly.
19218 (find_basic_blocks): Update.
19220 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19222 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
19224 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19226 * crtstuff.c (ON_EXIT): Delete empty macro definition.
19227 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
19229 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
19231 * c-decl.c (c_decode_option): Extend comment.
19233 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
19235 * toplev.c (progname): Make 'const char *'
19236 (flag_print_mem): Move out of main.
19237 (version_flag): Move out of main.
19238 (filename): Move out of main.
19239 (debug_args): Remove g prefix from options.
19240 (documented_lang_options): Remove cpplib specific options.
19241 (display_help): Add g prefix to debug options.
19242 (check_lang_option): Delete this function.
19243 (decode_d_option): New function: Decode -d... option.
19244 (decode_f_option): New function: Decode -f... option.
19245 (decode_W_option): New function: Decode -W... option.
19246 (decode_g_option): New function: Decode -g... option.
19247 (independent_decode_option): New function: Decode a language
19248 independent command line option.
19249 (main): Invoke lang_decode_option and then
19250 independent_decode_option on each command line option in
19253 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
19255 Revert this change. Gavin's patch to operand_equal_p is a better fix.
19256 * fold-const.c (fold_range_test): Do not try to fold the range
19257 test if the rhs or lhs has side effects.
19259 * basic-block.h (compute_flow_dominators): Declare.
19261 * gcse.c (alloc_code_hoist_mem): New function.
19262 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
19263 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
19264 (hoist_code, one_code_hoisting_pass): Likewise.
19265 (gcse_main): If optimizing for size, then hoist expressions
19266 computed in multiple dominated basic blocks.
19268 * gcse.c (invalid_nonnull_info): New function.
19269 (delete_null_pointer_checks): Likewise.
19270 * rtl.h (delete_null_pointer_checks): Declare.
19271 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
19273 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
19274 (merge-blocks_move_successor_nojumps): Likewise.
19275 (merge_blocks): Allow merging of some blocks, even if it requires
19276 physical movement of the blocks, but not if it requires new jumps.
19278 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
19279 Callers and prototype changed.
19280 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
19282 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19284 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
19285 -YP when both -p and -pg are present. From i386/sol2.h.
19287 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19289 * Makefile.in (distclean): Delete tm_p.h.
19290 * configure.in: Create a new file, "tm_p.h", from a list in
19291 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
19292 "i386/i386-protos.h".
19294 * alias.c: Include "tm_p.h".
19295 * c-typeck.c: Likewise.
19296 * calls.c: Likewise.
19298 * emit-rtl.c: Likewise.
19299 * explow.c: Likewise.
19300 * expmed.c: Likewise.
19301 * expr.c: Likewise.
19302 * final.c: Likewise.
19303 * flow.c: Likewise.
19304 * fold-const.c: Likewise.
19305 * function.c: Likewise.
19306 * gcse.c: Likewise.
19307 * global.c: Likewise.
19308 * haifa-sched.c: Likewise.
19309 * integrate.c: Likewise.
19310 * jump.c: Likewise.
19311 * local-alloc.c: Likewise.
19312 * loop.c: Likewise.
19313 * optabs.c: Likewise.
19314 * recog.c: Likewise.
19315 * reg-stack.c: Likewise.
19316 * regclass.c: Likewise.
19317 * regmove.c: Likewise.
19318 * reload.c: Likewise.
19319 * reload1.c: Likewise.
19320 * reorg.c: Likewise.
19321 * resource.c: Likewise.
19322 * stmt.c: Likewise.
19323 * stor-layout.c: Likewise.
19324 * toplev.c: Likewise.
19325 * tree.c: Likewise.
19326 * unroll.c: Likewise.
19327 * genattrtab.c (main): Make generated file include "tm_p.h".
19328 * genemit.c (main): Likewise.
19329 * genoutput.c (main): Likewise.
19330 * genrecog.c (main): Likewise.
19332 * i386.h: Delete all prototypes.
19333 * i386.c: Include "tm_p.h".
19334 (ix86_attr_length_default): Call constant_call_address_operand
19335 with correct number of arguments.
19336 * i386-protos.h: New file.
19337 * i386.md (unnamed patterns): Call constant_call_address_operand
19338 with correct number of arguments.
19339 (exception_receiver): Call load_pic_register with correct number
19342 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
19344 * c-pragma.c (mark_align_stack): Dereference the void* properly.
19346 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
19348 * rtl.h (insns_safe_to_move_p): New function.
19349 * loop.c (find_and_verify_loops): Use it.
19350 * rtlanal.c (insns_safe_to_move_p): Define it.
19352 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
19354 * c-pragma.c: Include ggc.h.
19355 * Makefile.in (c-pragma.o): Update.
19357 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19359 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
19360 (LIB_SPEC): Likewise.
19361 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
19362 Reindent -YP/-p/-pg.
19363 Copied from config/sparc/sol2.h.
19365 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
19367 * c-pragma.c (mark_align_stack): New.
19368 (init_pragma): New.
19369 * c-pragma.h (init_pragma): Declare it.
19370 * c-lex.c (init_parse): Call it.
19372 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19374 * configure.in: Pick up thread library on Solaris/x86 just
19375 like on Solaris/sparc.
19376 * configure: Rebuilt.
19378 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
19380 * rtl.h (global_rtx_index): New enum.
19381 (global_rtl): Change to array of rtx.
19382 (pc_rtx, cc0_rtx): Redefine accordingly.
19383 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
19384 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
19385 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
19386 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
19387 (const_int_rtx): Change to array of rtx.
19388 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
19390 * emit-rtl.c (global_rtl): Change to array of rtx.
19391 (const_int_rtx): Change to aray of rtx.
19392 (gen_rtx_CONST_INT): Redefine accordingly.
19393 (init_emit_once): Allocate and initialize global_rtl. Likewise
19394 for const_int_rtx. Add both as GC roots.
19395 * genattrtab.c (global_rtl): Update declaration.
19397 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
19399 * Makefile (USER_H): Add iso646.h back.
19401 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
19403 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
19404 zapping the LOG_LINKS of sched_before_next_call.
19406 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
19407 * pa.c (insn_refs_are_delayed): Renamed from
19408 insn_sets_and_refs_are_delayed.
19410 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
19412 * functiion.h (struct function): Add x_whole_function_mode_p.
19413 (retrofit_block): Declare.
19414 * function.c (retrofit_block): New function.
19415 (identify_blocks): Add assertions. Allow an incomplete set of
19416 block notes if we're still generating code for the function.
19417 * integrate.c: Include loop.h.
19418 (expand_inline_function): Call find_loop_tree_blocks to map block
19419 notes to blocks when in whole-function mode. Use retrofit_block
19420 to insert new BLOCKs for the inlined function, rather than
19422 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
19423 * Makefile.in (integrate.o): Depend on loop.h.
19425 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
19427 * tree.h (warn_about_unused_variables): Declare.
19428 * stmt.c (warn_about_unused_variables): New function, split out
19430 (expand_end_bindings): Here.
19432 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
19434 * stmt.c (preserve_subexpressions_p): Don't crash when
19435 current_function->stmt is unset.
19437 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
19439 * stmt.c (expand_start_bindings): Allow callers to pass a flag
19440 indicating that no NOTE_INSN_BLOCK_BEG note is required.
19441 (expand_start_target_temps): Use it.
19442 * except.c (expand_eh_region_start_for_decl): Likewise.
19443 * expr.c (expand_expr): Likewise.
19445 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
19447 * fold-const.c (operand_equal_p): Pay attention to side effects.
19449 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
19451 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
19452 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
19454 * tlink.c (scan_linker_output): Look for keywords before accepting
19455 a mangled name in quotes.
19457 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
19459 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
19460 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
19462 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
19464 * alpha.md: Revert Thu Nov 26 change that came in through the
19465 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
19466 Avoid earlyclobber when possible.
19468 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19470 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
19472 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
19473 Define HAVE_ON_EXIT.
19475 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19477 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
19478 CTYPE_CONV in all ctype macros.
19480 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
19483 * cexp.y (initialize_random_junk): Likewise.
19485 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
19487 * i370.c (handle_pragma): Likewise.
19489 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
19491 * v850.c (override_options): Likewise.
19493 * doprint.c (_doprnt): Likewise.
19495 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
19498 * fixinc/server.c (load_data): Likewise.
19500 * fold-const.c (real_hex_to_f): Likewise.
19502 * genattr.c (write_upcase, gen_attr): Likewise.
19504 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
19505 write_upcase): Likewise.
19507 * genemit.c (print_code): Likewise.
19509 * genopinit.c (gen_insn): Likewise.
19511 * genpeep.c (print_code): Likewise.
19513 * genrecog.c (print_code): Likewise.
19515 * optabs.c (init_libfuncs): Likewise.
19517 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
19519 * haifa-sched.c (sched_analyze): Keep the list of notes organized
19521 (reemit_notes): Likewise.
19523 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
19525 * ggc.h (ggc_root): Move to ggc-common.c.
19527 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
19528 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
19529 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
19530 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
19531 * ggc-common.c (ggc_root): Move from ggc.h.
19532 (roots): Declare, static.
19533 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
19534 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
19535 null or check/set mark bit.
19536 (ggc_mark_roots): New.
19537 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
19539 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
19541 * m32r.c: Include toplev.h.
19542 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
19543 (gen_compare): Rename swap_p to must_swap to match uses.
19544 Add default abort case.
19545 (m32r_output_function_epilogue): Remove unused variables.
19546 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
19547 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
19548 define to empty parameter list. Update all uses.
19549 (predicate decls): Use enum machine_mode not int.
19550 * m32r.md (movsi): Call abort, not fatal_insn.
19551 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
19553 1999-09-14 Andrew Haley <aph@cygnus.com>
19555 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
19556 use $0 instead of 0.
19558 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19560 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
19561 computation out of loop over hard regs.
19563 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
19565 * function.c (identify_blocks): Don't shadow a variable in an
19567 * integrate.c (integrate_decl_tree): Don't use pushlevel,
19568 pushdecl, or poplevel to build up the new BLOCK tree.
19569 (expand_inline_function): Likewise.
19570 (integrate_parm_decls): Likewise.
19572 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
19574 * c-typeck.c (qualify_type): Merge qualifiers from both types.
19576 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
19578 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
19579 * invoke.texi: Document this change.
19581 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
19583 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
19585 (mark_emit_status): Renamed from mark_emit_state.
19586 * except.c (mark_eh_status): Renamed from mark_eh_state.
19587 Check not null before marking.
19588 (free_eh_status): New.
19589 * expr.c (mark_expr_status, free_expr_status): New.
19590 * function.c (free_machine_status): New.
19591 (free_after_parsing): New.
19592 (free_after_compilation): Move bits to free_after_parsing; call
19593 free_eh_status, free_expr_status; zero the marked members of the
19595 (prepare_function_start): No can_garbage_collect.
19596 Call init_eh_for_function.
19597 (expand_dummy_function_end): Free up current_function state.
19598 (mark_function_status): Renamed from mark_function_state.
19599 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
19600 * function.h (struct function): No can_garbage_collect.
19601 (free_machine_status, free_after_parsing): Declare.
19602 (free_eh_status, free_expr_status): Declare.
19603 * ggc.h (mark_expr_status): Declare.
19604 * stmt.c (free_stmt_status): Free the struct.
19605 (mark_stmt_status): Renamed from mark_stmt_state.
19606 (init_stmt): Don't call init_eh.
19607 (init_stmt_for_function): Don't call init_eh_for_function.
19608 * toplev.c (compile_file): Call init_eh.
19609 (rest_of_compilation): Free basic block info before ggc_collect.
19610 Call free_after_parsing; conditionally call free_after_compilation.
19611 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
19612 Check not null before marking.
19613 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
19615 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
19617 * c-lex.c (yylex): Initialize warn.
19619 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
19621 * pa.c (emit_move_sequence): Properly set the mode of the scratch
19622 register when performing secondary reloads for the SAR register.
19624 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
19626 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
19627 (NOTE_BLOCK): New macro.
19628 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
19629 * function.h (identify_blocks): Change prototype.
19630 * function.c (identify_blocks): Simplify.
19631 (reorder_blocks): Likewise.
19632 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
19633 NOTE_INSN_BLOCK_{BEG,END}.
19634 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
19635 the list of saved notes if the note isn't a
19636 NOTE_INSN_BLOCK_{BEG,END}.
19637 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
19639 (reemit_notes): Adjust recreation of notes to reflect new saved
19641 * print-rtl.c (print_rtx): Print the address of the BLOCK when
19642 printing a block note.
19643 * stmt.c (block_vector): Remove.
19644 (find_loop_tree_blocks): Simplify.
19645 (unroll_block_trees): Likewise.
19646 * tree.h (reorder_block): Change prototype.
19648 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
19650 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
19651 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
19652 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
19653 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
19654 (atexit, exit): Simplify.
19655 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
19656 * config/lots: Remove defns of HAVE_ATEXIT.
19658 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
19660 * calls.c (precompute_arguments): Fix typo in comment.
19661 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
19664 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
19666 * dsp16xx.c (override_options): Fix typos in GC root registration.
19668 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
19670 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
19671 from config/svr4.h.
19672 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
19673 (FUNCTION_PROFILER): Redefine appropriately for Linux.
19674 (CC1_SPEC): Likewise.
19676 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19678 * genattr.c (main): Add extern prototype. Call return, not exit.
19679 * genattrtab.c (main): Likewise.
19680 * gencheck.c (main): Likewise.
19681 * gencodes.c (main): Likewise.
19682 * genconfig.c (main): Likewise.
19683 * genemit.c (main): Likewise.
19684 * genextract.c (main): Likewise.
19685 * genflags.c (main): Likewise.
19686 * gengenrtl.c (main): Likewise.
19687 * genopinit.c (main): Likewise.
19688 * genoutput.c (main): Likewise.
19689 * genpeep.c (main): Likewise.
19690 * genrecog.c (main): Likewise.
19692 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
19693 * genattrtab.c (get_insn_name): Likewise.
19694 * gencodes.c (get_insn_name): Likewise.
19695 * genconfig.c (get_insn_name): Likewise.
19696 * genemit.c (get_insn_name): Likewise.
19697 * genextract.c (get_insn_name): Likewise.
19698 * genflags.c (get_insn_name): Likewise.
19699 * genopinit.c (get_insn_name): Likewise.
19700 * genpeep.c (get_insn_name): Likewise.
19702 * gencheck.c (usage): Add static prototype.
19703 * genextract.c (print_path): Constify a char*.
19704 * genopinit.c (optabs): Likewise.
19705 * genoutput.c (operand_data, data, output_predicate_decls,
19706 compare_operands): Likewise.
19707 * genrecog.c (write_tree): Add default case in switch.
19709 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19711 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
19713 * print-rtl.c (get_insn_name): Remove prototype.
19715 * toplev.h (progname): Declare const.
19717 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
19718 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
19719 dump_sched_info, dump_local_alloc, regset_release_memory,
19720 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
19721 error_with_file_and_line, error_with_decl, error_for_asm, error,
19722 fatal, warning_with_file_and_line, warning_with_decl, warning,
19723 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
19724 Remove redundant prototypes.
19726 (notice, check_lang_option, report_file_and_line, vnotice,
19727 mark_file_stack): Add static prototype.
19728 (set_fatal_function): Add prototype.
19729 (vnotice, report_file_and_line, set_fatal_function,
19730 check_lang_option): Constify a char*.
19731 (main): Prototype. Call return, not exit.
19733 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19735 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
19737 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
19739 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
19741 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
19743 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19745 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
19746 behave as if it's zero in all cases.
19747 (expand_function_start): Adjust call to assign_parms.
19748 * tree.h (assign_parms): Adjust prototype.
19749 * objc/objc-act.c (hack_method_prototype): Adjust call to
19752 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
19754 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
19755 arg_pointer_rtx fixed if the argument pointer register is
19757 (NONZERO_BASE_PLUS_P): Likewise.
19759 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
19761 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
19762 match_insn2 to match_insn.
19763 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
19765 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
19767 * Makefile.in (USER_H): Remove va-foo.h.
19769 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
19770 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
19771 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
19772 va-spur.h,va-v850.h}: Remove.
19774 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
19776 * sparc/sparc.md (eligible_for_return_delay): New attribute.
19777 (in_return_delay): Use it instead of match_insn.
19779 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19781 * config/alpha/va_list.h (va-alpha.h): Do not include.
19782 (__gnuc_va_list): Typedef as in varargs.h.
19784 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
19786 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
19787 DECL_LIVE_RANGE_RTL.
19789 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
19791 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
19792 not NOTE_BLOCK_NUMBER.
19793 (expand_eh_region_end): Likewise.
19794 (find_exception_handler_labels): Likewise.
19795 (scan_region): Likewise.
19796 (exception_optimize): Likewise.
19797 (update_rethrow_references): Likewise.
19798 (set_insn_eh_region): Likewise.
19799 * final.c (final_scan_insn): Likewise.
19800 * flow.c (make_edges): Likewise.
19801 * integrate.c (expand_inline_function): Likewise.
19802 * print-rtl.c (print_rtx): Likewise.
19804 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
19806 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
19807 terms of builtin functions and types.
19809 * mips.c (mips_build_va_list): New.
19810 (mips_va_start, mips_va_arg): New.
19811 * mips.h (BUILD_VA_LIST_TYPE): New.
19812 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19814 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
19815 (sh_build_va_list, sh_va_start, sh_va_arg): New.
19816 * sh.h (BUILD_VA_LIST_TYPE): New.
19817 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19819 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
19821 * recog.h (struct recog_data): Make dup_num, operand_address_p,
19822 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
19823 (struct insn_data): Likewise with n_operands, n_dups,
19824 n_alternatives, output_format.
19825 * regclass.c (scan_one_insn): Cast n_operands to int before
19826 arithmetic inside comparison.
19828 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
19830 * toplev.c (compile_function): Unconditionally emit nop.
19832 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19834 * haifa-sched.c (actual_hazard): Move declaration of variable
19835 `this_cost' into the scope where it is used.
19837 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19839 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
19840 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
19841 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
19843 * genrecog.c (make_insn_sequence): Call memset, not bzero.
19845 * jump.c (find_insert_position): Don't declare or define unless
19846 !HAVE_conditional_arithmetic.
19847 (returnjump_p_1, delete_prior_computation): Add static prototypes.
19849 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
19851 * recog.c (offsettable_address_p): Prototype function pointer.
19852 (preprocess_constraints): Call memset, not bzero.
19854 * tree.c (tree_node_kind_names): Constify a char*. Make static.
19855 (gcc_obstack_init): Don't declare.
19856 (fix_sizetype): Add static prototype.
19857 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
19858 (tree_cons): Call memset, not bzero.
19860 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
19861 definition in macro ASM_WEAKEN_LABEL.
19862 (mark_const_hash_entry): Add static prototype.
19864 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19866 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
19868 * unroll.c (find_common_reg_term, subtract_reg_term,
19869 loop_find_equiv_value): Add static prototypes.
19870 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
19871 (copy_loop_body): Remove unreachable break statement.
19873 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
19875 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
19877 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19879 Undo some changes from the gcc2 merge:
19880 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
19881 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
19885 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
19886 * emit-rtl.c (gen_lowpart_common): Disable optimization of
19887 initialized float-int union if the value is a NaN.
19889 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
19891 * gthr-win32.h: New file.
19893 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
19894 shared as a valid attribute.
19895 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
19896 * extend.texi: Document `shared' variable attribute.
19898 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
19900 * configure.in: Handle --enable-threads on FreeBSD.
19901 * configure: Rebuit.
19903 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
19905 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
19907 * configure: Rebuilt.
19909 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
19910 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
19911 Rosimildo DaSilva <rdasilva@connecttel.com>
19913 * configure.in (m68k-*-rtemscoff*): Added.
19914 * configure.in (mips64orion-*-rtems*): Converted to ELF.
19915 * configure.in (sparc-*-rtemsaout*): Added as alias for old
19916 sparc-rtems configuration.
19917 * configure.in (sparc-*-rtemself*): Added.
19918 * configure.in (sparc-*-rtems*): Now ELF not a.out.
19919 * config/i386/rtems.h: Added comment.
19920 * config/sparc/rtemself.h: New file.
19922 * configure.in (m68k-rtemself): Added.
19923 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
19924 and DWARF_DEBUGGING_INFO.
19925 * config/m68k/crti.s: New file.
19926 * config/m68k/crtn.s: New file.
19927 * config/m68k/t-crtstuff: New file.
19928 * config/m68k/rtemself.h: New file.
19930 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
19931 global ctor/dtor and C++ exception handling.
19932 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
19933 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
19935 * config/i386/t-rtems-i386: New File.
19937 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
19939 * stmt.c (expand_end_case): Return right away if the case stack is
19942 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
19944 * Makefile.in (version.c): Remove rule incorrectly brought in from
19947 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
19949 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
19950 * msdos/top.sed: Take into account a prepended $(SHELL) to
19952 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
19954 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
19956 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19958 * regmove.c (fixup_match_1): Don't change an unchanging register.
19959 (stable_but_for_p): Renamed to:
19960 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
19961 Changed all callers.
19963 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
19965 * loop.c (strength_reduce): Don't call reg_used_between_p if the
19966 insn from BL2 is after the insn from BL.
19968 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
19970 * recog.h (INSN_OUTPUT_FORMAT_*): New.
19971 (struct insn_data): Merge `template' and `outfun' into `output'.
19972 Add `output_format'.
19973 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
19974 (struct data): Remove `outfun'; add `output_format'.
19975 (name_for_index): Remove declaration.
19976 (output_insn_data): Handle output formats.
19977 (process_template): Emit the bare array for @.
19978 (gen_expand, gen_split): Set output_format to NONE.
19979 * output.h (get_insn_template): Declare.
19980 * final.c (get_insn_template): New.
19981 (final_scan_insn): Use it.
19982 * toplev.c (compile_file): Likewise.
19984 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19985 * i860/i860.c (output_delayed_branch): Likewise.
19986 (output_delay_insn): Likewise.
19988 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19990 * rtl.c (obstack_alloc_rtx): Removed.
19992 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
19994 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
19996 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
19998 * i386.c (call_insn_operand): Reject const_int.
19999 (expander_call_insn_operand): Use call_insn_operand.
20001 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20003 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
20005 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
20007 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
20008 Use DImode operation.
20010 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
20012 * gcc.c: Include sys/resource.h.
20013 (report_times): New flag.
20014 (execute): If report_times is set, calculate and report the
20015 CPU time consumed by each subprocess.
20017 (rus, prus): New globals.
20018 (option_map): Add --time.
20019 (display_help): Document -time.
20020 (process_command): Set report_times if -time is given.
20021 Turn off -pipe if -time is given.
20023 * invoke.texi: Document new option -time.
20025 * configure.in: Check for getrusage. Check if we have to
20026 prototype getrusage.
20027 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
20028 * configure: Regenerate.
20029 * config.in: Regenerate.
20031 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
20033 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
20036 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
20038 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
20039 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
20040 (nan): Return _thenan_sf or _thenan_df as appropriate.
20041 (L_thenan_sf): Define _thenan_sf.
20042 (L_thenan_df): Define _thenan_df.
20044 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
20045 (DPBIT_FUNCS): Add _thenan_df.
20047 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
20049 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
20052 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20054 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
20057 (lang_specific_driver): Don't take a function pointer parameter.
20058 All callers changed.
20060 * gcc.c: Include gcc.h.
20061 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
20062 lang_specific_extra_outfiles, fatal): Don't declare.
20063 (multilib_defaults_raw): Constify.
20064 (read_specs): Call memset, rather than bzero.
20065 (main): Call return, not exit.
20066 (lookup_compiler): Call memcpy, not bcopy.
20067 (fatal): Make extern.
20069 * cppspec.c: Include gcc.h.
20070 (lang_specific_driver): Initialize variable `quote'. Constify a
20071 char*. All calls to the function pointer parameter now
20072 explicitly call `fatal'.
20074 * gccspec.c (lang_specific_driver): Include gcc.h.
20076 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
20078 * arm.c (note_invalid_constants): Use recog_data.operand_type
20081 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20083 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
20086 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
20087 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
20088 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
20089 reload_secondary_in_reload, reload_secondary_out_reload,
20090 reload_secondary_in_icode, reload_secondary_out_icode,
20091 reload_reg_rtx, reload_when_needed): Delete declarations.
20092 (struct reload): New structure.
20093 (rld): Declare new array.
20094 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
20095 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
20096 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
20097 reload_secondary_in_reload, reload_secondary_out_reload,
20098 reload_secondary_in_icode, reload_secondary_out_icode,
20099 reload_reg_rtx, reload_when_needed): Delete definitions.
20101 (whole file): Replace uses of the deleted arrays with uses of rld.
20102 * reload1.c (whole file): Replace uses of the deleted arrays with
20104 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
20105 explicit loops, not with bcopy.
20107 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
20109 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
20110 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
20111 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
20112 insn_name): Delete and consolidate into new structures.
20113 (insn_operand_predicate_fn): New.
20114 (insn_output_fn): New.
20115 (insn_gen_fn): New.
20116 (struct insn_operand_data): New.
20117 (struct insn_data): New.
20119 (OUT_FCN): Update for insn_data change.
20120 * builtins.c (expand_builtin_strlen): Likewise.
20121 (expand_builtin_memcmp): Likewise.
20122 * combine.c (make_extraction, simplify_comparison): Likewise.
20123 * cse.c (canon_reg, cse_insn): Likewise.
20124 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
20125 * expmed.c (store_bit_field, extract_bit_field): Likewise.
20126 (emit_store_flag): Likewise.
20127 * expr.c (convert_move, emit_block_move): Likewise.
20128 (clear_storage, emit_push_insn, expand_increment): Likewise.
20129 (do_store_flag): Likewise.
20130 * expr.h (GEN_FCN): Likewise.
20131 (insn_gen_function): Die.
20132 * final.c (final_scan_insn): Update for insn_data change.
20133 (output_asm_name): Likewise.
20134 * function.c (fixup_var_refs_1): Likewise.
20135 * loop.c (check_dbra_loop): Likewise.
20136 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
20137 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
20138 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
20139 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
20140 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
20141 * regmove.c (gen_add3_insn): Likewise.
20142 * reload.c (push_secondary_reload, combine_reloads): Likewise.
20143 (find_reloads, find_reloads_address_1): Likewise.
20144 (debug_reload_to_stream): Likewise.
20145 * reload1.c (emit_reload_insns, gen_reload): Likewise.
20146 * stmt.c (expand_end_case): Likewise.
20147 * toplev.c (compile_file): Likewise.
20149 * c4x/c4x.c (c4x_process_after_reload): Likewise.
20150 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
20152 * print-rtl.c (insn_name_ptr): Remove declaration.
20153 (get_insn_name): Declare.
20154 (print_rtx): Use it.
20155 * genoutput.c (insn_name_ptr): Remove.
20156 (next_operand_number): New.
20157 (struct operand_data): New.
20158 (null_operand, odata, odata_end): New.
20159 (struct data): Use struct operand_data.
20160 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
20161 (get_insn_name): Renamed from name_for_index.
20162 (output_prologue): Define NO_MD_PROTOTYPES.
20163 (output_predicate_decls): Break out from output_epilogue.
20164 Iterate over the operands list.
20165 (output_operand_data): Break out from output_epilogue. Emit
20166 just the operands list.
20167 (output_insn_data): Break out from output_epilogue. Emit just
20169 (output_epilogue): Remove.
20170 (output_get_insn_name): New.
20171 (constraints, op_n_alternatives, predicates, address_p): Die.
20172 (modes, strict_low, seen): Die.
20173 (scan_operands): Take new param `d' instead of writing to
20174 seven global variables.
20175 (compare_operands): New.
20176 (place_operands): New.
20177 (validate_insn_alternatives): Update for struct data change.
20178 (gen_insn): Don't zero or copy 7 global arrays. Update for
20179 scan_operands; call place_operands.
20180 (gen_peephole, gen_expand, gen_split): Likewise.
20181 (main): Update for new output routines.
20183 * genattr.c (insn_name_ptr): Remove.
20184 (get_insn_name): New function.
20185 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
20186 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
20187 * genrecog.c: Likewise.
20189 * alpha.md (adddi3): Make `pattern' array static.
20191 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20193 * config/c4x/c4x.h (c4x_rpts_cycles_string,
20194 c4x_cpu_version_string): Constify char *.
20195 * config/c4x/c4x.c (c4x_rpts_cycles_string,
20196 c4x_cpu_version_string): Likewise.
20198 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
20200 * tree.c (save_tree_status): Revert 10 Sep change.
20201 (restore_tree_status): Likewise. Call obstack_free with NULL
20202 before freeing the obstack proper.
20204 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
20206 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
20208 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
20209 surrounding context.
20211 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
20213 * tree.c (type_hash_canon): Put all types in the hash-table, when
20216 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
20218 * recog.h (struct recog_data, recog_data): New.
20219 (recog_foo variables): Kill.
20220 * recog.c (recog_operand, recog_operand_loc): Kill.
20221 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
20222 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
20223 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
20224 (recog_data): Define.
20225 (extract_insn): Update all recog_foo references to use recog_data.
20226 (preprocess_constraints, constrain_operands): Likewise.
20227 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
20228 * genattrtab.c (main): Likewise.
20229 * genextract.c (main): Likewise.
20230 * genoutput.c: Likewise.
20231 * genrecog.c (write_subroutine, main): Likewise.
20232 * local-alloc.c (block_alloc): Likewise.
20233 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
20234 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
20235 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
20236 * reload.c (find_reloads, find_reloads_toplev): Likewise.
20237 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
20238 (reload_cse_simplify_operands): Likewise.
20240 * arc/arc.c (arc_final_prescan_insn): Likewise.
20241 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
20242 * h8300/h8300.c (notice_update_cc): Likewise.
20243 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
20244 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
20245 * mn10200/mn10200.c (notice_update_cc): Likewise.
20246 * mn10300/mn10300.c (notice_update_cc): Likewise.
20247 * romp/romp.c (update_cc): Likewise.
20248 * sparc/sparc.c (check_pic): Likewise.
20249 * v850/v850.c (notice_update_cc): Likewise.
20251 * genemit.c (main): Don't declare recog_operand.
20253 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
20255 * ggc.h (rtvec_def): Forward declare.
20256 (tree_node): Likewise.
20257 (ggc_root): Define.
20259 (ggc_set_mark_rtx): Add prototype.
20260 (ggc_set_mark_rtvec): Likewise.
20261 (ggc_set_mark_tree): Likewise.
20262 * ggc-simple.c (ggc_root): Don't define.
20263 (roots): Don't declare.
20264 (ggc_mark_rtx): Remove.
20265 (ggc_mark_rtvec): Likewise.
20266 (ggc_mark_tree): Likewise.
20267 (ggc_mark_varray): Likewise.
20268 (ggc_mark_tree_hash_table_entry): Likewise.
20269 (ggc_mark_tree_hash_table): Likewise.
20270 (ggc_set_mart_rtx): New function.
20271 (ggc_set_mark_rtvec): Likewise.
20272 (ggc_set_mark_tree): Likewise.
20273 (ggc_add_root): Remove.
20274 (ggc_add_rtx_root): Likewise.
20275 (ggc_remove_tree_root): Likewise.
20276 (ggc_add_string_root): Likewise.
20277 (ggc_add_tree_varray_root): Likewise.
20278 (ggc_add_tree_hash_table_root): Likewise.
20279 (ggc_del_root): Likewise.
20280 (ggc_mark_rtx_ptr): Likewise.
20281 (ggc_mark_tree_ptr): Likewise.
20282 (ggc_mark_string_ptr): Likewise.
20283 (ggc_mark_tree_varray_ptr): Likewise.
20284 (ggc_mark_tree_hash_table_ptr): Likewise.
20285 * ggc-common.c: New file.
20286 * Makefile.in (OBJS): Add ggc-common.o.
20287 (ggc-common.o): List dependencies.
20289 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
20291 * cppalloc.c (xstrdup): Use memcpy.
20292 * cpperror.c (cpp_print_containing_files): Don't use
20294 * cpplib.c (conditional_skip): Set temp->lineno.
20295 (do_endif): Make error message less obscure.
20296 (if_directive_name): New function.
20297 (cpp_get_token [case EOF]): Unwind the if stack and generate
20298 error messages for each unterminated conditional in this file.
20299 (parse_string): Do not behave differently if -traditional.
20301 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
20303 * builtins.c (expand_builtin_va_arg): Cope with an array-type
20304 va_list decomposing to pointer-type.
20305 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
20306 (rs6000_va_arg): Likewise.
20308 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
20310 * except.c (start_dynamic_handler): Compute size using
20311 STACK_SAVEAREA_MODE.
20313 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20315 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
20316 include directory headers. Don't define strrchr. Don't provide
20317 my_* replacement functions. Prefer PTR over `pointer_type'.
20318 Don't prototype system functions. Don't redefine getopt.
20320 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
20321 safe_read, safe_write, save_pointers, restore_pointers,
20322 is_id_char, in_system_include_dir, directory_specified_p,
20323 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
20324 find_corresponding_lparen, referenced_file_is_newer,
20325 save_def_or_dec, munge_compile_params, gen_aux_info_file,
20326 process_aux_info_file, identify_lineno, check_source,
20327 seek_to_line, forward_to_next_token_char, output_bytes,
20328 output_string, output_up_to, other_variable_style_function,
20329 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
20330 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
20331 find_static_definition, connect_defs_and_decs, add_local_decl,
20332 add_global_decls, needs_to_be_converted, visit_each_hash_node,
20333 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
20334 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
20335 scan_for_missed_items, edit_file, string_list_cons): Add static
20337 (standard_exec_prefix, target_machine, target_version,
20338 default_syscalls_dir, string_list, string_list_cons, find_file,
20339 do_cleaning): Constify a char*.
20340 (safe_read, safe_write): Use PTR, not a char*.
20341 (is_id_char): Take an int, not a char.
20342 (main): Add prototype. Call return, not exit.
20344 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
20346 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
20347 when comparing types.
20349 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
20351 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
20352 (strength_reduce): Release the varrays from the no-bivs early exit.
20354 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
20355 the loop over the registers.
20357 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
20359 (restore_tree_status): Check that instead when freeing the obstack.
20361 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
20363 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
20366 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20368 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
20369 operand size modifiers.
20371 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20373 * c-common.c (c_common_nodes_and_builtins): Don't build
20375 * c-common.h (enum c_tree_index and related accesor macros): Remove
20376 everything now declared in tree.h.
20377 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20378 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
20379 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
20380 (error_mark_node, void_type_node, char_type_node, integer_type_node,
20381 unsigned_type_node, ptr_type_node, va_list_type_node,
20382 integer_zero_node, null_pointer_node, integer_one_node): Delete.
20383 (init_decl_processing): Call build_common_tree_nodes and
20384 build_common_tree_nodes_2 instead of building their nodes here.
20385 Don't add roots for these nodes.
20386 * stor-layout.c (size_zero_node, size_one_node): Delete.
20387 (set_sizetype): Make a new node for bitsizetype each time.
20388 * tree.c (global_trees): New variable.
20389 (init_obstacks): Add a gc root for it.
20390 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20391 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
20392 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
20393 (build_common_tree_nodes): New function.
20394 (fix_sizetype): New function.
20395 (build_common_tree_nodes_2): New function.
20396 * tree.h (enum tree_index): New.
20397 (global_trees): Declare.
20398 Add accessor macros for all nodes now moved to global_trees.
20399 Delete their declarations.
20401 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
20403 * c-decl.c (finish_function): When processing a nested function,
20404 push and pop GC context around rest_of_compilation.
20406 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
20408 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
20409 Default ix86_arch to PROCESSOR_I386.
20410 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
20411 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
20412 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
20413 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
20414 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
20415 (EXTRA_SPECS): Remove deleted specs.
20417 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
20419 * function.c (assign_stack_local_1): Allocate from
20420 function->x_frame_offset, not frame_offset.
20422 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
20424 * ggc.h (lang_cleanup_tree): Remove.
20425 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
20426 * ggc-callbacks.c (lang_cleanup_tree): Remove.
20428 * c-decl.c (finish_struct): Use ggc_alloc to allocate
20429 TYPE_LANG_SPECIFIC when garbage collecting.
20430 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
20431 (lang_cleanup_tree): Remove.
20433 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
20435 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
20436 * crtstuff.c: Not here.
20437 * dwarf2out.c: Or here.
20438 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
20441 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
20443 * function.h (free_after_compilation): Remove decl parameter.
20444 (free_varasm_status0: Likewise.
20445 (free_emit_status): Likewise.
20446 (free_stmt_status): Likewise.
20447 (free_after_compilation): Likewise.
20448 (init_lang_status): New variable.
20449 (free_lang_status): Likewise.
20450 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
20451 * function.c (init_lang_status): New variable.
20452 (free_lang_status): Likewise.
20453 (push_function_context_to): Don't set function::decl here.
20454 (free_after_copmilation): Make decl parameter implicit. Call
20455 free_lang_status if defined.
20456 (prepare_function_start): Call init_lang_status if defined.
20457 (init_function_start): Set function::decl here.
20458 * profile.c (output_func_start_profiler): Don't call pushdecl
20459 until we've actually started the function.
20460 * stmt.c (free_stmt_status): Make decl parameter implicit.
20461 * toplev.c (rest_of_compilation): Don't pass decl to
20462 free_after_compilation.
20463 * varasm.c (free_varasm_status): Likewise.
20465 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20467 * except.c (call_get_eh_context): Add root when allocating static
20470 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
20472 * arm.c: Include "ggc.h".
20473 (arm_add_gc_roots): New function.
20474 (arm_override_options): Call it.
20475 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
20477 * arm.md (define_asm_attributes): Add a pool_range attribute.
20479 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
20481 * extend.texi (Volatiles): New node.
20483 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
20485 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
20486 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
20487 (struct ggc_any): Replace `mark' with `magic_mark'.
20488 (ggc_alloc_string): Use memcpy, not bcopy.
20489 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
20490 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
20491 (ggc_free_any): New.
20492 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
20493 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
20494 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
20495 Use IS_MARKED. Use ggc_free_any.
20497 1999-09-09 Scott Bambrough <scottb@netwinder.org>
20499 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
20501 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
20503 * toplev.c (main): Always init_ggc.
20505 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
20507 * except.c (find_all_handler_type_matches): Free the list if
20508 we found no matches.
20510 * combine.c (SUBST): Break out to a real function do_SUBST.
20511 (SUBST_INT): Likewise.
20512 * gcse.c (free_pre_mem): Free `temp_bitmap'.
20513 (pre_insert): Free `inserted'.
20514 * loop.c (basic_induction_var): Always set `location'.
20516 * function.c (expand_function_end): Add initial_trampoline as a root.
20517 * rtl.h (init_varasm_once): Declare.
20518 * toplev.c (compile_file): Call it.
20519 * ggc-simple.c (ggc_mark_string_ptr): New.
20520 (ggc_add_string_root): New.
20521 (ggc_collect): Disable collection avoidance temporarily.
20522 * ggc.h (ggc_add_string_root): Declare.
20523 * except.c (create_rethrow_ref): Use ggc_alloc_string.
20524 * optabs.c (init_libfuncs): Likewise.
20525 * varasm.c (named_section): Use ggc_alloc_string.
20526 (make_function_rtl): Likewise.
20527 (make_decl_rtl): Likewise.
20528 (assemble_static_space): Likewise.
20529 (assemble_trampoline_template): Likewise.
20530 (output_constant_def): Likewise.
20531 (force_const_mem): Likewise.
20532 (mark_const_hash_entry): New.
20533 (mark_pool_sym_hash_table): New.
20534 (mark_varasm_state): Use it.
20535 (init_varasm_once): New.
20537 * expr.h (init_one_libfunc): Declare.
20538 * optabs.c (init_one_libfunc): New.
20539 (init_optabs): Use it.
20540 * config/gofast.h: Likewise.
20541 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
20542 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
20544 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
20546 * Makefile.in (cppexp.o): Depend on cpphash.h.
20547 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
20549 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
20550 * cpplib.c (do_define): Generalise to handle poisoned definitions,
20551 redefining poisoned identifiers, etc.
20552 (do_undef): Don't allow poisoned identifiers to be undefined.
20553 (do_pragma): Add #pragma poison.
20554 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20556 * cccp.c: Add T_POISON node type.
20557 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
20559 (do_define): Generalise to handle poisoned definitions,
20560 redefining poisoned identifiers, etc.
20561 (do_undef): Don't allow poisoned identifiers to be undefined.
20562 (do_pragma): Add #pragma poison.
20563 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20565 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
20566 * c-pragma.h: Add ps_poison state. We now always have generic
20569 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
20571 * ggc.h (ggc_alloc): New function.
20572 (ggc_mark): Likewise.
20573 * ggc-simple.c (ggc_any): New structure.
20574 (ggc_status): Add anys.
20575 (n_anys_collected): New variable.
20576 (ggc_alloc): Define.
20577 (ggc_mark): Likewise.
20578 (ggc_collect): Collect the anys.
20580 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20582 * c-decl.c (mark_binding_level): Make static to match prototype.
20584 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
20586 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
20588 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
20590 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
20591 will use into account. Expand the max width to 5.
20594 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
20596 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
20597 for the rtx length.
20599 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
20601 * alpha.md (call value patterns): Remove the result predicates.
20603 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
20605 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
20608 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20610 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
20611 changed from extern char *, to extern PTR. Also fix typo in
20612 NEED_DECLARATION_REALLOC test.
20614 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
20616 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20618 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
20619 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
20620 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
20621 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
20623 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
20625 * cccp.c (pcfinclude): Likewise.
20627 * global.c (allocno_compare): Likewise.
20629 * haifa-sched.c (rank_for_schedule): Likewise.
20631 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
20633 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
20635 * stupid.c (stupid_reg_compare): Likewise.
20637 * tree.c (_obstack_allocated_p): Likewise.
20639 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
20641 1999-09-08 Bruce Korb autogen@linuxbox.com
20643 * Makefile.in: Give the hapless gperf user a hint about
20644 why "gperf -F" fails.
20646 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
20648 * lists.c: Include ggc.h.
20650 (init_EXPR_INSN_LIST_cache): Install it.
20652 * ggc-simple.c (init_ggc): Absorb the old init.
20653 (ggc_push_context): Use xcalloc.
20654 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
20655 (ggc_collect): Add [rvts] tags to the collection stats.
20657 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
20659 * cccp.c (main): Fix handling of -include and -imacros options.
20661 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
20663 * cpplib.c (cpp_push_buffer): Fix order of arguments.
20665 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20667 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
20670 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
20672 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
20673 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
20674 and SET_DEST. Update comment.
20676 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20678 * config/c4x/c4x.c: Include ggc.h.
20679 (c4x_add_gc_roots): New function.
20680 (c4x_override_options): Call c4x_add_gc_roots.
20682 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
20684 * defaults.h (TARGET_ESC): Move ...
20685 * system.h: ... here, where Linas had it in the first place. Silly me.
20687 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
20689 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
20690 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
20691 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
20692 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
20693 * defaults.h (TARGET_ESC): Add default.
20695 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
20697 * configure.in: add i370-*-openedition, i370-*-mvs and
20698 i370-*-linux targets
20700 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
20702 * dsp16xxx.c: Include ggc.h
20703 (override_options): Mark GC roots.
20704 * mn10200.c: Include ggc.h.
20705 (asm_file_start): Mark GC roots.
20706 * tahoe.c: Include ggc.h.
20707 (extensible_operand): Mark GC roots.
20709 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
20711 * README: Add section discussing status of ELF ABI.
20712 * i370.c: Fix misc spelling mistakes.
20713 (i370_label_scan): Updated notes, exception handling.
20714 (i370_function_prolog): Simplify ELF stack handling.
20715 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
20716 (STACK_GROWS_DOWNWARD): ELF stack grows down.
20717 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
20718 * i370.md: (movdi): Add notes.
20719 (floatsidf2): Use stack not rtca for scratch float area.
20720 (iorsi3): Correct operand constraints.
20721 * x-oe: Restore TAROUTOPTS which are used by pax.
20723 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
20725 * rs6000.c: Include ggc.h.
20726 (rs6000_add_gc_roots): New function.
20727 (override_options): Call it.
20729 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
20731 * alpha.h (alpha_compare): New.
20732 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
20733 * alpha.c: Likewise for the definitions.
20734 (alpha_emit_conditional_branch): Update for alpha_compare.
20735 (alpha_emit_conditional_move): Likewise.
20736 * alpha.md (cmpdf, cmpdi): Likewise.
20737 (setcc patterns): Likewise. Zero alpha_compare after use.
20738 (sne): Optimize (x != 0) into (0U < x).
20740 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
20742 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
20743 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
20744 (INIT_EXPANDERS): Remove.
20745 * alpha.c: Include ggc.h.
20746 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
20747 (alpha_init_machine_status, alpha_mark_machine_status): New.
20748 (override_options): Install them.
20749 (struct machine_function): Moved to alpha.h.
20750 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
20751 (alpha_init_expanders): Remove.
20752 (alpha_return_addr): Adjust to use current_function->machine.
20753 (alpha_ra_ever_killed): Likewise.
20754 (alpha_expand_epilogue): Likewise.
20755 * alpha.md (eh_epilogue): Likewise.
20757 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
20758 Melissa O'Neill <oneill@cs.sfu.ca>
20759 Geoffrey Keating <geoffk@cygnus.com>
20761 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
20762 call-used registers (call-saved registers must still be contiguous
20763 and end with r31, of course).
20765 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
20767 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
20768 (self_promoting_type_p): Delete.
20769 (self_promoting_args_p): Move ...
20770 * c-common.c: ... here.
20771 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
20772 (simple_type_promotes_to): New.
20773 * builtins.c (lang_type_promotes_to): New.
20774 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
20775 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
20776 * c-common.h: ... here.
20777 (self_promoting_args_p, simple_type_promotes_to): Declare.
20778 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
20779 (grokdeclarator): Likewise.
20780 * tree.h (lang_type_promotes_to): Declare.
20782 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
20784 Add some machine-dependent GC roots.
20785 * sparc.c: Include ggc.h.
20786 (sparc_add_gc_roots): New function.
20787 (mark_ultrasparc_pipeline_state): Likewise.
20788 (override_options): Call sparc_add_gc_roots.
20789 * pa.c: Include ggc.h.
20790 (pa_add_gc_roots): New function.
20791 (mark_deferred_plabels): Likewise.
20792 (override_options): Call pa_add_gc_roots.
20793 * mips.c: Include ggc.h.
20794 (mips_add_gc_roots): New function.
20795 (override_options): Use it.
20797 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20799 * cpperror.c (cpp_file_line_for_message): Constify a char*.
20801 * cppexp.c (parse_number, parse_charconst, cpp_lex,
20802 cpp_parse_expr): Add static prototypes.
20803 (parse_charconst): Don't cast away const-ness.
20804 (token): Constify a char*.
20806 * cppfiles.c (file_name_list, include_hash, find_include_file,
20807 finclude, initialize_input_buffer): Constify a char*.
20808 (file_cleanup, find_position): Add static prototypes.
20810 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
20811 collect_expansion): Add static prototypes.
20812 (cpp_install, create_definition, monthnames): Constify a char*.
20814 * cpphash.h (cpp_install): Likewise.
20816 * cppinit.c (known_suffixes, default_include,
20817 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
20818 (base_name, dump_special_to_buffer, initialize_dependency_output):
20819 Add static prototypes.
20821 * cpplib.c (my_strerror): Constify a char*.
20822 (null_underflow, null_cleanup, skip_comment, copy_comment,
20823 copy_rest_of_line, handle_directive, pass_thru_directive,
20824 get_directive_token, read_line_number, cpp_print_file_and_line,
20825 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
20826 v_cpp_warning_with_line, detect_if_not_defined,
20827 consider_directive_while_skipping): Add static prototypes.
20828 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
20829 cpp_pedwarn_with_file_and_line): Constify a char*.
20831 * cpplib.h (cpp_options, include_hash, progname, definition,
20832 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
20833 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
20834 find_include_file, deps_output, include_hash): Constify a char*.
20836 * cppmain.c (progname): Constify.
20837 (main): Add prototype. Use return, not exit.
20839 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
20840 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
20841 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
20842 check_protection): Add static prototype.
20844 (progname, recognized_macrom, recognized_extern): Constify a char*.
20845 (main): Add prototype.
20847 * gen-protos.c (progname): Constify a char*.
20849 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
20851 * emit-rtl.c (free_emit_status): Take decl as a parameter.
20852 (init_emit_once): Add more GC roots.
20853 * except.c (mark_func_eh_entry): New function.
20854 (mark_eh_node): Mark false_label and rethrow_label.
20855 (init_eh): Add more GC roots.
20856 * function.c (free_after_compilation): Take decl as a paramter.
20857 Call free_stmt_status.
20858 (mark_function_state): Don't assume x_parm_reg_stack_loc is
20860 * function.h (free_after_compilation): Change prototype.
20861 (free_varasm_status): Likewise.
20862 (free_emit_status): Likewise.
20863 (free_stmt_status): New function.
20864 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
20865 Remove, replacing with ...
20866 (ggc_status): New structure.
20867 (ggc_chain): New variable.
20868 (init_gcc): Define.
20869 (ggc_push_context): New function.
20870 (ggc_pop_context): Likewise.
20871 (ggc_alloc_rtx): Adjust for use of ggc_chain.
20872 (ggc_alloc_rtvec): Likewise.
20873 (ggc_alloc_tree): Likewise.
20874 (ggc_alloc_string): Likewise.
20875 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
20876 (ggc_mark_tree): Give language-dependent code a chance to mark
20878 (ggc_mark_tree_varray): Handle empty arrays.
20879 (ggc_collect): Adjust for use of ggc_chain. Clear
20880 bytes_alloced_since_last_gc.
20881 * ggc.h (ggc_pop_context): New function.
20882 (ggc_push_context): Likewise.
20883 * print-tree.c (print_node): Don't print obstacks when GC'ing.
20884 * stmt.c (free_stmt_status): New function.
20885 (init_stmt_for_function): Clear last_expr_value.
20886 * toplev.c (rest_of_compilation): Always call free_after_compilation.
20887 Conditionalize call to ggc_collect.
20888 (main): Call init_ggc.
20889 * tree.c (push_obstacks): Do the push, even when GC'ing.
20890 (push_obstacks_nochange): Likewise.
20891 (pop_obstacks): Liekwise.
20892 * varasm.c (free_varasm_status): Take decl as a parameter.
20894 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
20896 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
20897 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
20898 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
20899 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
20901 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
20903 * pa/x-pa-mpeix: New file for the MPE port.
20905 * pa/quadlib.asm: New file for long double support.
20907 * configure.in: Add hppa1.0-*-mpeix for MPE port.
20908 * configure: Rebuilt.
20910 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
20912 * final.c (shorten_branches): Fix last change.
20914 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
20916 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
20918 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
20920 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
20923 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20925 * c-aux-info.c (concat): Don't define.
20927 * cccp.c (my_strerror): Likewise. All callers changed to use
20929 (do_include): Call xstrdup, not xmalloc/strcpy.
20930 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
20931 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
20933 * collect2.c (my_strsignal): Likewise. All callers changed to use
20935 (locatelib): Call xstrdup, not xmalloc/strcpy.
20937 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
20939 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
20941 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
20943 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
20945 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
20947 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
20949 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
20951 (find_all_handler_type_matches): Likewise. Don't check return
20953 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
20954 xmalloc, not malloc.
20955 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
20957 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
20958 (init_spec): Call xcalloc, not xmalloc/bzero.
20959 (set_spec): Call xstrdup, not save_string.
20960 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
20961 (find_a_file): Call xstrdup, not xmalloc/strcpy.
20962 (process_command): Call xstrdup, not save_string.
20963 (main): Call xcalloc, not xmalloc/bzero.
20965 * gcov.c (xmalloc): Don't define.
20966 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
20967 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
20968 (output_data): Call xcalloc, not xmalloc/bzero.
20970 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
20972 * mips-tdump.c (xmalloc): Don't define.
20973 (print_symbol): Call xmalloc, not malloc.
20974 (read_tfile): Call xcalloc, not calloc.
20976 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
20977 Don't define. All callers of xfree/my_strsignal changed to use
20978 free/strsignal instead.
20979 (allocate_cluster): Call xcalloc, not calloc.
20981 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
20982 Fix memory leak, free allocated memory.
20984 * prefix.c (translate_name): Call xstrdup, not save_string.
20985 (update_path): Likewise.
20987 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
20989 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
20990 Don't define. Callers of xfree/savestring2 changed to use
20991 free/concat instead.
20993 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
20994 (init_elim_table): Likewise.
20996 * resource.c (init_resource_info): Likewise.
20998 * stupid.c (stupid_life_analysis): Likewise.
21000 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
21001 (open_dump_file): Call concat, not xmalloc/strcpy/...
21002 (clean_dump_file): Likewise.
21003 (compile_file): Call xstrdup, not xmalloc/strcpy.
21005 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
21007 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
21008 * v850.c (v850_va_arg): New.
21010 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21012 * haifa-sched.c: Tidy comments.
21014 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21016 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
21017 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
21018 $(out_object_file)): Depend on ggc.h.
21019 * c-common.c: Include "ggc.h".
21020 (combine_strings): If doing GC, use ggc_alloc_string.
21021 * c-decl.c: Include "ggc.h".
21022 (ggc_p): Define with value 0.
21023 (mark_binding_level): New function.
21024 (init_decl_processing): Add GC roots.
21025 (mark_c_function_context): New function.
21026 (lang_mark_false_label_stack): New function.
21027 (lang_mark_tree): New function.
21028 (lang_cleanup_tree): New function.
21029 * c-lang.c: Include "ggc.h".
21030 (lang_init): Call c_parse_init.
21031 * c-lex.c: Include "ggc.h".
21032 (check_linenum): If doing GC, don't copy filenames to permanent
21034 * c-parse.in: Include "ggc.h".
21035 (c_parse_init): New function.
21036 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
21037 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
21039 * except.c (mark_eh_state): Mark more state.
21040 * function.c (mark_function_state): Likewise.
21041 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
21042 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
21043 * toplev.c (mark_file_stack): New function.
21044 (compile_file): If doing GC, use ggc_alloc_string on input filename.
21045 (main): Add root for input_file_stack.
21047 * i386.c: Include "ggc.h".
21048 (ix86_mark_machine_status): New function.
21049 (override_options): Set mark_machine_status.
21051 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21053 * tree.c (copy_node): Copy node contents also if doing GC.
21055 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
21057 * collect2.c (scan_libraries): Fix double-thinko :-).
21059 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
21061 * collect2.c (scan_libraries): Fix thinko.
21063 * cse.c (delete_trivially_dead_insns): Do not skip the last
21064 insn if it is a real insn.
21066 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
21068 * Makefile.in (ggc-simple.o): Depend on hash.h.
21069 * ggc.h (ggc_add_tree_hash_table_root): Declare.
21070 (ggc_mark_tree_varray): Likewise.
21071 (ggc_mark_tree_hash_table): Likewise.
21072 * ggc-simple.c: Include hash.h.
21073 (ggc_mark_tree_hash_table_ptr): New function.
21074 (ggc_mark_tree_hash_table_entry): Likewise.
21075 (ggc_mark_tree_hash_table): Likewise.
21076 (ggc_add_tree_hash_table_root): Likewise.
21077 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
21078 rtx, when defining fields.
21080 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
21082 * profile.c (output_func_start_profiler): Remove apparently
21083 nonsensical call to start_sequence.
21085 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
21087 * clipper/clipper.c (clipper_va_start): Fix typos.
21089 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
21090 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
21091 (spur_va_arg): New stub.
21093 * configure.in: Comment out pyramid.
21095 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
21097 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
21098 don't conflict with the bits that win32, cygwin, and dgux
21101 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
21102 Bernd Schmidt <bernds@cygnus.co.uk>
21104 * integrate.c (function_cannot_inline_p): Do not inline
21105 functions with forced labels.
21107 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
21108 Bernd Schmidt <bernds@cygnus.co.uk>
21109 Mark Mitchell <mark@codesourcery.com>
21111 * Makefile.in (ggc-simple.o): Depend on varray.h.
21112 (rtl.o): Depend on ggc.h.
21113 (genattrtab.o): Depend on ggc.h.
21114 (print-tree.o): Likewise.
21115 (fold-const.o): Likewise.
21116 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
21117 (make_insn_raw): Don't cache insns when GC'ing.
21118 (emit_insn_before): Likewise.
21119 (emit_insn_after): Likewise.
21120 (emit_insn): Likewise.
21121 (start_sequence): Use xmalloc to allocate the sequence_stack.
21122 (end_sequence): Add free to free it.
21123 (gen_sequence): Don't cache insns when GC'ing.
21124 (clear_emit_caches): Don't use sequence_element_free_list.
21125 (init_emit): Use xcalloc, not xmalloc+bzero.
21126 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
21127 * function.c (pop_function_context_from): Use free to free the
21128 fixup_var_refs_queue.
21129 (put_reg_into_stack): Allocate it with xmalloc.
21130 * genattrtab.c: Include ggc.h.
21131 (operate_exp): Don't use obstack_free when GC'ing.
21132 (simplify_cond): Likewise.
21133 (simplify_text_exp): Likewise.
21134 (optimize_attrs): Likewise.
21135 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
21137 (gencode): Generate a #include for ggc.h.
21138 * ggc-callbacks.c (ggc_p): Define it to zero.
21139 * ggc-none.c (ggc_p): Likewise.
21140 * ggc-simple.c: Include varray.h.
21141 (ggc_mark_tree_varray): New function.
21142 (ggc_add_tree_varray_root): Likewise.
21143 (ggc_mark_tree_varray_ptr): Likewise.
21144 * ggc.h (ggc_p): Declare.
21145 (varray_head_tag): Likewise.
21146 (ggc_add_tree_varray_root): Declare.
21147 * print-tree.c (print_node): Don't check for TREE_PERMANENT
21148 inconsistencies when GC'ing.
21149 * rtl.c: Include ggc.h.
21150 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
21151 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
21152 (rtx_free): Don't call obstack_free when GC'ing.
21153 * toplev.c (rest_of_compilation): Call ggc_collect after every
21155 * tree.c (push_obstacks): Do nothing, if GC'ing.
21156 (pop_obstacks_nochange): Likewise.
21157 (pop_obstacks): Likewise.
21158 (make_node): Use ggc_alloc_tree when GC'ing.
21159 (copy_node): Likewise.
21160 (get_identifier): Use ggc_alloc_string when GC'ing.
21161 (build_string): Likewise.
21162 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
21163 (tree_cons): Likewise.
21164 (build1): Likewise.
21165 (type_hash_canon): Don't call obstack_free when GC'ing.
21167 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
21169 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
21170 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
21172 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
21173 Bernd Schmidt <bernds@cygnus.co.uk>
21174 Mark Mitchell <mark@codesourcery.com>
21176 * Makefile.in (stor-layout.o): Depend on ggc.h.
21177 (expr.o): Depend on ggc.h.
21178 (profile.o): Depend on ggc.h.
21179 (stor-layout.o): Depend on ggc.h.
21180 * emit-rtl.c (init_emit_once): Add gc roots.
21181 * expr.c: Include ggc.h.
21182 (emit_block_move): Add gc roots.
21183 (clear_storage): Likewise.
21184 * expr.h (init_stor_layout_once): New function.
21185 * profile.c: Include ggc.h.
21186 (init_arc_profiler): profiler_label is a root.
21187 * scan.c (make_sstring_space): Trust xrealloc to function
21188 correctly with first parameter NULL.
21189 * stor-layout.c: Include ggc.h.
21190 (set_sizetype): Add gc root.
21191 (init_stor_layout_once): New function.
21192 * toplev.c (compile_file): Call it.
21194 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
21195 Bernd Schmidt <bernds@cygnus.co.uk>
21196 Mark Mitchell <mark@codesourcery.com>
21198 * Makefile.in (tree.o): Depend on ggc.h.
21199 (varasm.o): Likewise.
21200 (function.o): Likewise.
21201 (stmt.o): Likewise.
21202 (except.o): Likewise.
21203 (optabs.o): Likewise.
21204 (emit-rtl.o): Likewise.
21205 * emit-rtl.c: Include ggc.h.
21206 (sequence_element_free_list): Remove, and all references.
21207 (mark_sequence): New functions.
21208 (mark_emit_state): New function.
21209 * except.c: Include ggc.h.
21210 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
21211 (mark_tree_label_node): New functions.
21212 (mark_eh_state): New function.
21213 * function.c: Include ggc.h.
21214 (mark_temp_slot, mark_function_chain): New functions.
21215 (mark_function_state): New function.
21216 (init_function_once): New function.
21217 * function.h (init_function_once): New function.
21218 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
21219 * ggc.h (label_node): Declare.
21220 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
21221 (lang_mark_false_label_stack): New function.
21222 (mark_temp_slot): Remove declaration.
21223 (mark_function_chain): Likewise.
21224 (mark_eh_state): Adjust prototype.
21225 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
21227 * optabs.c: Include ggc.h.
21228 (mark_optab): New function.
21229 (init_optabs): Add gc roots.
21230 * stmt.c: Include ggc.h.
21231 (mark_cond_nesting, mark_loop_nesting): New functions.
21232 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
21233 (mark_stmt_state): New function.
21234 * toplev.c (compile_file): Call init_function_once.
21235 * tree.c: Include ggc.h.
21236 (type_hash): Move declaration earlier in file.
21237 (TYPE_HASH_SIZE, type_hash_table): Likewise.
21238 (init_obstacks): Add gc roots.
21239 (mark_type_hash): New function.
21240 * varasm.c: Include ggc.h.
21241 (mark_pool_constant): New function.
21242 (mark_varasm_state): New function.
21244 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21246 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
21248 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21250 * c-decl.c (struct language_function): Renamed from struct c_function.
21252 (c_function_chain): Delete.
21253 (push_c_function_context): New arg F. Don't warn about nested
21254 functions here. Fill LANGUAGE elt of F. Delete code to update
21255 c_function_chain. Don't call push_function_context.
21256 (pop_c_function_context): New arg F. Restore from there instead of
21257 from c_function_chain. Don't call pop_function_context. Clear out
21258 LANGUAGE field of F when done.
21259 * c-lang.c: Include "function.h"
21260 (lang_init): Initialize save_lang_status and restore_lang_status.
21261 * c-parse.in (nested_function, nested_function_notype): Warn about
21262 nested functions. Call push_function_context/pop_function_context
21263 instead of the _c_ variants.
21264 * c-tree.h (push_c_function_context, pop_c_function_context): Update
21266 * Makefile.in (c-lang.o): Update dependencies.
21268 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
21269 regno_pointer_flag, regno_pointer_align.
21270 (gen_reg_rtx): Use xrealloc to enlarge them.
21271 (free_emit_status): New function.
21272 * function.c (mark_machine_status, mark_lang_status): New variables.
21273 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
21274 in some bits from assign_stack_local. All callers changed to use new
21276 (assign_stack_local): Just call assign_stack_local_1.
21277 (free_after_compilation): New function.
21278 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
21279 (trampoline_address): Likewise.
21280 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
21281 (prepare_function_start): Explicitly clear some more variables.
21282 * function.h (struct function): New elt can_garbage_collect.
21283 (mark_machine_status, mark_lang_status): Declare variables.
21284 (free_after_compilation, free_emit_status, free_varasm_status,
21285 init_varasm_status): Declare functions.
21286 * toplev.c (rest_of_compilation): Call free_after_compilation when
21287 done with the current function.
21288 * varasm.c (free_varasm_status): New function.
21290 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
21292 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
21293 (EXPAND_BUILTIN_VA_ARG): Define.
21294 * sparc.c (sparc_va_start): New.
21295 (sparc_va_arg): New.
21297 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21299 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
21301 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21303 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
21305 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
21307 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
21308 (OBJS): Add $(GGC).
21309 (ggc-callbacks.o): New target.
21310 * ggc-callbacks.c: New file.
21312 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21314 * expr.h: Collapse individual optab and libfunc vars to arrays.
21315 (optab_index, libfunc_index): New enumerations.
21316 (optab_table, libfunc_table): New arrays.
21317 Add accessor macros for both.
21319 * optabs.c (optab_table, libfunc_table): New.
21320 Delete declarations for individual optab and libfunc vars.
21322 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
21324 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
21326 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
21328 * Makefile.in (GGC, GGC_LIB): New.
21329 (HOST_RTL): Include ggc-none.o.
21330 (ggc-simple.o): New target.
21331 (ggc-none.o): Likewise.
21332 * tree.h (tree_common): Add gc_mark.
21333 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
21334 (struct rtvec_def): Add gc_mark.
21335 * emit-rtl.c (global_rtl): Update static initializers to contain
21336 enough initializers.
21337 * ggc.h, ggc-none.c, ggc-simple.c: New files.
21338 * toplev.c (gc_time): New variable.
21339 (all_time): New variable.
21340 (compile_file): Print gc time.
21341 (print_time): Calculate percentage of the whole.
21343 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21345 Change obstack memory management and varasm constant pool handling so
21346 that nested functions are treated like any other functions.
21347 * function.c (init_machine_status): New variable.
21348 (push_function_context_to): Set contains_functions for the outer
21349 function. Don't call save_varasm_status.
21350 (pop_function_context_from): Don't call restore_varasm_status. Don't
21351 set current_function_contains_functions.
21352 (prepare_function_start): Call init_varasm_status rather than
21353 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
21355 * function.h (struct function) Add field varasm. Delete fields
21356 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
21357 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
21358 (init_machine_status): Declare.
21359 (save_varasm_status, restore_varasm_status): Delete declarations.
21360 (save_tree_status, restore_tree_status): Delete last argument.
21361 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
21362 code. All callers changed.
21363 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
21364 save_constants_in_decl_trees, restore_constants, save_constants,
21365 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
21367 (inlining): New variable.
21368 (reg_map, label_map, insn_map, orig_asm_operands_vector,
21369 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
21371 (save_for_inline_nocopy): Don't save constants.
21372 Don't set inl_emit field in current_function.
21373 (expand_inline_function): Use emit field, not inl_emit, of the inlined
21374 function. Set new variable inlining before
21375 calling copy_rtx_and_substitute.
21376 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
21377 constant pool references if inlining is nonzero.
21378 Delete ADDRESS and (most of the) CONST cases.
21379 (output_inline_function): Save and restore current_function/
21380 current_function_decl. Delete restore_constants code. Don't call
21381 init_const_rtx_hash_table.
21382 * output.h (init_const_rtx_hash_table): Don't declare.
21383 * rtl.h (struct function): Declare.
21384 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
21385 * toplev.c (rest_of_compilation): Don't treat nested functions or
21386 functions containing them specially. Delete all code to deal with
21387 save_for_inline_copying.
21388 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
21389 inline_obstacks): Delete variables.
21390 (save_tree_status): Lose arg CONTEXT. All callers changed.
21391 Simply allocate a new function_maybepermanent_obstack for the new
21392 function, delete all the special cases.
21393 Don't save inline_obstacks.
21394 (restore_tree_status): Lose arg CONTEXT. All callers changed.
21395 Delete special handling for function_maybepermanent_obstack; simply
21397 Don't restore inline_obstacks.
21398 (permanent_allocation): Delete code that frees inline_obstacks.
21399 (print_inline_obstack_statistics): Delete function.
21400 (dump_tree_statistics): Don't call it.
21401 * varasm.c (struct varasm_status): New.
21402 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
21403 last_pool, pool_offset, const_double_chain): Delete global
21404 variables, replace with accessor macros.
21405 (immed_double_const): Don't walk const_double_chain outside a
21406 function, but don't treat nested functions specially anymore.
21407 (immed_real_const_1): Likewise.
21408 (clear_const_double_mem): Don't treat nested functions specially.
21409 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
21410 (save_varasm_status, restore_varasm_status): Delete functions.
21411 (init_varasm_status): New function.
21412 (force_const_mem): Don't treat nested functions specially.
21413 (find_pool_constant): Accept new arg F, search for constants in
21414 that function's pool rather than the current one. All callers
21416 (get_pool_constant_for_function, get_pool_mode_for_function): New
21419 * i386.c (init_386_machine_status): New function, mostly from
21420 clear_386_stack_locals.
21421 (struct machine_functions): Rename element names to avoid name
21423 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
21424 macros, replacing global variables.
21425 (clear_386_stack_locals, save_386_machine_status,
21426 restore_386_machine_status): Delete functions.
21427 (override_options): Initialize init_machine_status.
21428 * i386.h (INIT_EXPANDERS): Delete macro.
21429 (save_386_machine_status, restore_386_machine_status,
21430 clear_386_stack_locals): Delete declarations.
21432 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21434 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
21435 (doloop_begin): Simplify pattern and use emit_jump_insn.
21436 (doloop_end): Simplify pattern, switch operand order,
21437 and use emit_jump_insn.
21439 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
21441 * function.h (struct function): Add new element LANGUAGE.
21442 (save_lang_status): Declare new variable.
21443 (restore_lang_status): Likewise.
21444 * function.c (save_lang_status): Define.
21445 (restore_lang_status): Likewise.
21446 (push_function_context_to): Call language-specific save function.
21447 (pop_function_context_from): Call language-specific restore function.
21449 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
21451 * i386.md (movsf_1): Check REG_P before use of REGNO.
21452 (movdf_1): Likewise.
21453 (movxf_1): Likewise.
21454 (extendsfdf2): Likewise.
21455 (extendsfxf2): Likewise.
21456 (extenddfxf2): Likewise.
21458 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21460 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
21461 constants into memory.
21462 (c4x_shiftable_constant): New function.
21463 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
21464 (c4x_shiftable_constant): Declare.
21465 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
21466 ashlqi3_noclobber): Add new patterns and associated splitters.
21468 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
21470 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
21471 * dwarf2out.c (dwarf2out_frame_init): Likewise.
21472 * final.c (shorten_branches): Likewise.
21473 * global.c (global_alloc): Likewise.
21474 * haifa-sched.c (build_control_flow): Likewise.
21475 * stmt.c (check_for_full_enumeration_handling): Likewise.
21476 (estimate_case_costs): Likewise.
21478 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
21480 * rtl.h (RTL_CHECKC2): Fix typo in last change.
21482 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
21484 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
21485 (recompute_reg_usage): Likewise.
21486 * rtlanal.c (find_regno_fusage): Likewise.
21488 * rtl.c (rtl_check_failed_code1): New function.
21489 (rtl_check_failed_code2): New.
21490 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
21491 (RTL_CHECKC1, RTL_CHECKC2): New.
21492 (XC*): New accessor macros.
21493 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
21494 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
21495 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
21496 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
21497 (TRAP_*, RANGE_INFO_*): Likewise.
21499 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21501 * Makefile.in (tlink.o): Don't depend on toplev.h.
21503 * collect2.c (c_file, o_file, export_file, import_file, ldout,
21504 output_file, nm_file_name, ldd_file_name, strip_file_name,
21505 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
21506 add_prefix, prefix_from_env, prefix_from_string, do_wait,
21507 fork_execute, maybe_unlink, add_to_list,
21508 extract_init_priority, write_list, dump_list,
21509 dump_prefix_list, write_list_with_asm, write_c_file,
21510 write_c_file_stat, write_c_file_glob, scan_prog_file,
21511 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
21512 ignore_library, extract_string, notice, dump_file, target_machine,
21513 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
21514 read_file, print_load_command): Constify a char*.
21515 (fdopen, error, fatal, fatal_perror): Don't prototype.
21516 (my_strerror): Remove. All callers use xstrerror instead.
21517 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
21518 (main): Add prototype. Constify lots of char* ptrs. Change calls
21519 to xcalloc/strcpy/strcat/... to one call to concat.
21520 (main, scan_prog_file, scan_libraries): Use an intermediate
21521 `const char **' to build an argv array.
21522 (mapfile, libselect, libcompare, locatelib): Add prototypes.
21524 * collect2.h (collect_execute, collect_wait, dump_file,
21525 file_exists): Constify a char*.
21526 (ldout, c_file_name, temporary_obstack, permanent_obstack,
21527 temporary_firstobj, vflag, debug): Add extern declarations.
21528 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
21530 * tlink.c: Don't include toplev.h.
21531 (vflag, debug, ldout, c_file_name, temporary_obstack,
21532 permanent_obstack, temporary_firstobj): Don't declare.
21533 (tlink_execute, frob_extension, symbol_hash_lookup,
21534 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
21535 recompile_files, read_repo_files, demangle_new_symbols,
21536 scan_linker_output): Constify a char*.
21537 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
21538 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
21540 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
21542 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
21543 (relative) rather than jsr (absolute) subroutine call insns.
21544 * config/m68k/m68k-coff.h: Ditto.
21546 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
21548 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
21549 now rework these too.
21550 (arm_reorg): If an insn can't reach the end of the current pool,
21551 ensure that we emit that pool before the insn.
21553 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
21555 * tlink.c (scan_linker_output): Skip the initial underscore in
21556 a mangled name if appropriate.
21558 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21560 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
21561 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
21562 error_with_ivar, gen_declarator, create_builtin_decl,
21563 my_build_string, generate_descriptor_table, generate_ivars_list,
21564 generate_dispatch_table, check_protocols, TAG_GETCLASS,
21565 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
21566 dump_base_name, lang_decode_option, build_encode_expr,
21567 start_class, finish_class, encode_pointer, really_start_method,
21568 gen_declaration, dump_interface, handle_class_ref, handle_impent):
21570 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
21571 Add static prototypes.
21572 (build_objc_string_decl, build_selector_reference_decl,
21573 encode_bitfield, build_class_reference_decl): Remove unused
21574 parameter, all callers changed.
21575 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
21576 (objc_printable_name): Likewise. Change second parameter to type int.
21577 (init_objc): Use memcpy, not bcopy, to avoid casts.
21579 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
21581 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
21582 reg notes on a deleted insn.
21583 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
21585 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
21587 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
21589 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21591 * stmt.c (expand_asm_operands): Fix index into inout_mode when
21594 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
21596 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
21597 * tm.texi (MD_ASM_CLOBBERS): Document it.
21599 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
21601 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
21602 * except.c (expand_rethrow): Remove unused variable.
21603 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
21604 * flow.c (replace_insns): Likewise.
21605 (create_edge_list, verify_edge_list): Likewise.
21606 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
21608 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
21609 is special code to run.
21610 (main): Don't define operands to emit_operand.
21611 * genrecog.c (main): Don't emit an empty peephole2_insn function.
21613 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
21615 * alpha/alpha.h (normal_memory_operand): Declare.
21616 (reg_no_subreg_operand): Declare.
21617 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
21619 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
21621 * c-parse.in (compstmt_primary_start): New, broken out of first
21622 part of compstmt handling in primary.
21623 (primary): Use it. Add an error clause.
21624 (compstmt_nostart): Renamed from compstmt; remove all
21625 initial invocations of compstmt_start.
21628 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
21630 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
21633 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
21635 * combine.c (simplify_shift_const): Remove extra semicolon.
21636 * dwarf2out.c (remove_AT): Likewise.
21637 * expmed.c (expand_mult): Likewise.
21638 * gcov.c (create_program_flow_graph): Likewise.
21639 * reorg.c (mostly_true_jump): Likewise.
21641 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
21643 * fold-const.c (fold_range_test): Do not try to fold the range
21644 test if the rhs or lhs has side effects.
21646 * combine.c (simplify_rtx): Recognize another case of a synthesized
21649 * varasm.c (mark_constant_pool): When marking indirect references,
21650 only look at SYMBOL_REFs.
21652 * except.c (expand_fixup_region_end): Do not peek at
21653 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
21655 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
21657 * flags.h: New variables align_loops, align_loops_log,
21658 align_jumps, align_jumps_log, align_labels, align_labels_log,
21659 align_functions, align_functions_log.
21660 * toplev.c: Define them.
21661 (f_options): Handle -falign-* when they have no argument.
21662 (main): Add logic to set variables for -falign-functions,
21663 -falign-jumps, -falign-labels, -falign-loops.
21664 Make it -fsched-verbose=<n> and -finline-limit=<n>.
21665 (display_help): Change help to match options.
21666 * final.c (LABEL_ALIGN): Default to align_labels_log.
21667 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
21668 (LOOP_ALIGN): Default to align_loops_log.
21669 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
21670 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
21671 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
21672 * varasm.c (assemble_start_function): Handle align_functions.
21674 * config/sparc/sparc.h: Don't declare sparc_align_*.
21675 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
21676 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
21678 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
21680 * config/sparc/sparc.c: Delete sparc_align_loops,
21681 sparc_align_jumps, sparc_align_funcs and the corresponding string
21683 (sparc_override_options): Default align_functions on ultrasparc.
21684 Delete -malign-* handling.
21686 * config/mips/mips.c (override_options): On 64-bit targets,
21687 try to align code to 64-bit boundaries.
21688 (print_operand): New substitution, %~,
21689 which aligns labels to align_labels_log.
21690 * config/mips/mips.md (div_trap_normal): Use %~.
21691 (div_trap_mips16): Likewise.
21693 (absdi2): Likewise.
21694 (ffssi2): Likewise.
21695 (ffsdi2): Likewise.
21696 (ashldi3_internal): Likewise.
21697 (ashrdi3_internal): Likewise.
21698 (lshrdi3_internal): Likewise.
21699 (casesi_internal): Likewise.
21701 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
21703 Merge new ia32 backend from the branch!
21705 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
21706 See ChangeLog.P2 on new_ia32_branch for details.
21708 * rtl.h (stack_regs_mentioned_p): Delete prototype.
21709 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
21710 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
21711 * i386/gas.h (ASM_FILE_START): Define.
21712 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
21713 for name change of ix86_valid_decl_attribute_p.
21714 (i386_pe_valid_type_attribute_p): Similarly.
21716 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
21718 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
21719 to step through CC modes.
21721 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21723 * regmove.c (fixup_match_1): Don't move INSN in front of P if
21724 it would end up in the shadow of a live flags regsiter.
21726 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21728 * reload1.c: Fix many indentation problems.
21729 * reload.c: Likewise.
21731 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
21733 * alias.c (non_local_reference_p): Constify fmt.
21735 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
21737 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
21739 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
21741 * cse.c (delete_trivially_dead_insns): Do not delete stores to
21742 the internal_arg_pointer.
21744 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
21746 Merge peephole2 from new_ia32_branch:
21747 * Makefile.in (STAGESTUFF): Add *.peephole2.
21748 (mostlyclean): Likewise.
21749 (recog.o): Depend on resource.h.
21751 * final.c (peephole): Conditionalize decl on HAVE_peephole.
21752 (final_scan_insn): Likewise for the invocation of peephole.
21753 * genconfig.c (main): Look for peephole and peephole2 patterns.
21754 Emit HAVE_peephole* accordingly.
21755 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
21756 * flags.h (flag_peephole2): Declare.
21757 * toplev.c: New pass peephole2. New flag -fpeephole2.
21759 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
21760 * gencodes.c (main): Likewise.
21761 * genextract.c (main): Likewise.
21762 * genoutput.c (main): Likewise.
21763 * genemit.c (max_operand_1): Look for the max scratch operand.
21764 (gen_rtx_scratch): New.
21765 (gen_exp): Use it, and pass on new arg subroutine_type.
21766 (gen_expand): Take max scratch into account.
21767 (gen_split): Emit peephole2 functions.
21768 (output_peephole2_scratch): New.
21769 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
21770 * genrecog.c (routine_type): Add PEEPHOLE2.
21772 (make_insn_sequence): Match outer parallel for peep2. Discard
21773 top level scratches and dups.
21774 (add_to_sequence): New args insn_type and top. Update all callers.
21775 Handle toplevel peep2 matching insns.
21776 (write_subroutine): Handle peep2.
21777 (write_tree_1): Likewise.
21778 (write_tree): Likewise.
21780 (change_state): New arg afterward. Update all callers.
21781 Handle matching separate insns.
21782 * recog.c (recog_next_insn): New.
21783 (peephole2_optimize): New.
21784 * rtl.def (DEFINE_PEEPHOLE2): New.
21785 * resource.c (find_free_register): New argument last_insn. Use it
21786 to find a register available through the entire span.
21787 * resource.h (find_free_register): Update prototype.
21789 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
21791 * i386.c (output_strlen_unroll): Don't write xops[7]
21792 label if it wasn't set.
21794 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
21796 * cpplib.c (struct directive): Const-ify name pointer and
21797 function pointer prototype.
21798 (validate_else, do_define, do_line, do_include, do_undef,
21799 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
21800 do_elif, do_endif, do_sccs, do_assert, do_unassert,
21801 do_warning): Const-ify second arg.
21802 (directive_table): Mark const. Reorder entries by frequency
21803 of usage, record statistics.
21805 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
21807 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
21808 bounds- check RTL accesses if --enable-checking.
21809 (RTVEC_ELT): Bounds check if --enable-checking.
21810 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
21811 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
21812 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
21814 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
21815 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
21817 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
21818 (NOTE_SOURCE_FILE): Use X0STR.
21819 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
21820 MEM_ALIAS_SET): Use X0INT.
21821 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
21822 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
21824 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
21825 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
21826 (rtl_check_failed_bounds, rtl_check_failed_type1,
21827 rtl_check_failed_type2, rtvec_check_failed_bounds): New
21829 (fancy_abort): Fix comment.
21831 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
21832 (cse_insn): Decrement LABEL_NUSES for jump target before
21833 deleting jump insn.
21834 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
21835 * final.c (alter_subreg): Compute regno before changing x to
21836 REG; set REGNO(x) after changing it.
21837 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
21838 notes containing CONST_INTs.
21839 (delete_eh_regions): Use NOTE_EH_HANDLER.
21840 * function.c (put_reg_into_stack): Make reg a MEM before
21842 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
21844 (gen_mem_addressof): Make reg a MEM before initializing it.
21845 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
21847 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
21848 deleting an insn, not after.
21849 (block_alloc): Only look at PATTERN(insn) if we have to, and
21850 only if it's format class 'i'.
21851 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
21852 CONST_INT before using its INTVAL.
21853 * print-rtl.c (print_rtx): Use X0STR.
21854 * regmove.c (fixup_match_1): Don't look at PATTERN of
21855 non-class-'i' insn chain elements.
21856 * reload.c (loc_mentioned_in_p): Take address of
21857 in->fld[1].rtx directly.
21858 * reload1.c (reload): Change reg to a MEM before initializing
21860 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
21862 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
21864 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
21866 * config/mips/mips.c (machine_dependent_reorg): Force a
21867 barrier to output the local constant pool if a barrier hasn't
21868 been found at a natural point in the instruction stream.
21870 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21872 * c-parse.in (language_string): Constify.
21874 * dwarf2out.c (language_string): Remove declaration.
21876 * dwarfout.c (language_string): Likewise.
21878 * toplev.c (language_string, init_parse, finish_parse): Likewise.
21880 * tree.h (language_string, init_parse, finish_parse): Declare.
21882 * i386/sun386.h (language_string): Remove declaration.
21884 * mips.h (language_string): Likewise.
21886 * nextstep.h (language_string): Likewise.
21888 * nextstep21.h (language_string): Likewise.
21890 * rs6000.c (language_string): Likewise.
21892 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21894 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
21895 (getpwd.o): Remove target.
21897 * getpwd.c: Delete file. Its in libiberty now.
21899 * dbxout.c (getpwd): Don't prototype.
21900 * dwarf2out.c (getpwd): Likewise
21901 * dwarfout.c (getpwd): Likewise
21902 * final.c (getpwd): Likewise.
21903 * protoize.c (getpwd): Likewise.
21905 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21907 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
21909 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
21911 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
21912 mark_set_resources.
21914 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
21916 * fixinc/Makefile.in (subdir): New.
21917 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
21920 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
21922 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
21923 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
21926 * invoke.texi: Fix typo.
21928 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
21929 changed. Handle autoincrement addressing modes.
21931 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
21932 just like we would the virtual incoming args register when
21935 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
21937 * rs6000.h (ASM_FILE_START): Specify complete filename, including
21938 path, in .file directive.
21940 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
21942 * gcc.texi (External Bugs): Remove obsolete note about Perl on
21945 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
21947 * stdbool.h: Make the typedef name _Bool, with bool a #defined
21950 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21952 * tree.c (tree_code_name): Constify a char*.
21954 * tree.h (tree_code_name, decl_printable_name): Likewise.
21956 * function.h (struct function): Likewise.
21958 * toplev.c (decl_name, decl_printable_name): Likewise.
21960 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
21962 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
21963 (init_objc): Remove function pointer cast.
21965 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21967 * pa.md (interspace_jump): New pattern.
21968 (builtin_longjmp): New expander.
21970 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
21972 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
21973 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
21974 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
21976 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
21978 * jump.c (delete_prior_computation): Also check calls
21979 to constant functions. Don't bother checking for a
21980 REG_UNUSED note before adding it.
21981 (delete_computation): Handle multi-word hard registers
21982 when synthesizing missing REG_DEAD notes for a register
21983 which is both set and used by an insn.
21985 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21987 * loop.c (this_loop_info): New variable.
21988 (loop_has_call, loop_has_volatile, loop_has_tablejump,
21989 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
21991 (prescan_loop, strength_reduce): New argument loop_info. All callers
21993 (scan_loop): New variable loop_info, initialise to address of
21995 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
21996 Delete variable loop_has_multiple_exit targets and replace with
21997 field in this_loop_info.
21998 (find_and_verify_loops): Rename this_loop to this_loop_num.
21999 (strength_reduce): Delete loop_iteration_info. Replace variable
22000 loop_info with function argument of same name.
22001 (insert_bct): Rework test for loop being completely unrolled.
22003 * loop.h (struct loop_info): New fields num, loops_enclosed,
22004 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
22005 has_indirect_jump, and cont. Redefine use of unroll_number.
22006 (loop_unroll_number): Delete.
22008 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
22009 field of loop_info.
22010 (loop_iterations): Delete variable vtop and instead use
22011 loop_info->vtop computed in prescan_loop.
22013 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
22015 * fix-header.c (main): Do not pass a null pointer to strcmp.
22017 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
22019 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
22021 * configure: Rebuilt.
22023 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
22025 * jump.c (jump_optimize_1): Do not delete assignments to
22026 internal_arg_pointer.
22027 * cse.c (delete_trivially_dead_insns): Always consider a set of
22028 the internal_arg_pointer live.
22030 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
22032 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
22033 (update_life_info) [REG_WAS_0]: Search the original insns rather
22034 than the new insns for the note. Fix typos finding note_dest.
22035 If no dest found, discard the note rather than abort.
22036 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
22037 (replace_insns): Remove the old insn list after update_life_info
22040 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
22042 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
22043 sched_analyze_insn.
22044 (sched_analyze_1): Let add_dependence care for not adding dups.
22045 (sched_analyze_2): Likewise.
22046 (add_branch_dependences): Likewise.
22048 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
22050 * i386/winnt.c (export_list): New type.
22051 (exports_head): Rename to
22052 (export_head): this.
22053 (i386_pe_record_exported_symbol): Add is_data flag.
22054 (i386_pe_asm_file_end): Emit directive for exported variables.
22055 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
22057 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
22058 (ASM_DECLARE_OBJECT_NAME): Likewise.
22059 (ASM_DECLARE_FUNCTION_NAME): Likewise.
22060 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
22062 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
22064 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
22066 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
22069 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
22071 * config/openbsd.h: Define SET_ASM_OP.
22072 * tm.texi: cross-reference SET_ASM_OP in the index.
22074 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
22076 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
22077 for a CONST_DOUBLE, at compile time. Initialize rtx_length
22078 and class_narrowest_mode at compile time. Kill init_rtl.
22079 Mark rtx_length, mode_class, mode_size, mode_unit_size,
22080 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
22081 rtx_format as const. Kill all references to EXTRA_CC_MODES or
22083 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
22085 * rtl.h: Declare rtx_length and rtx_format as const.
22086 * machmode.def: Define CC(). Use CC() to define CCmode. If
22087 EXTRA_CC_MODES is defined, expand it here.
22088 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
22089 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
22090 const. Kill all references to EXTRA_CC_MODES.
22092 * toplev.c: Don't prototype or call init_rtl.
22093 * optabs.c: Don't call init_mov_optab.
22094 * genemit.c: Don't generate init_mov_optab. Don't call
22096 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
22098 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
22099 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
22100 genrecog.c: Don't call init_rtl.
22102 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
22103 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
22104 definition of EXTRA_CC_MODES.
22106 * md.texi: Kill ref to EXTRA_CC_NAMES.
22107 * tm.texi: Document new way to define EXTRA_CC_MODES.
22109 * genrecog.c: Do not look up the name of a define_split.
22110 (Unrelated bugfix.)
22112 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
22114 * config/v850/v850.md: Fix typo introduced by previous delta.
22116 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22118 * gcc.c (fatal): Make definition static to match prototype.
22120 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22122 * combine.c (get_last_value): Don't look for earlier sets if the last
22123 known set is somewhere in between the insns being combined.
22125 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
22127 * configure.in: Don't use shell ! to negate exit codes
22128 * configure: Regenerate
22130 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
22132 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
22133 the fact that ALIGN is measured in bits, not bytes.
22135 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
22137 * errors.c: New file; defines functions error, warning, and
22138 fatal, variables have_error and progname.
22139 * errors.h: New file; prototypes and decls for stuff in errors.c.
22141 * Makefile: Add rules to build errors.o and
22142 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
22143 genopinit, genrecog, genextract, genpeep, genattr, and
22144 genoutput with errors.o. Add errors.h to deps of genconfig.o,
22145 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
22146 genpeep.o, genattr.o, and genoutput.o.
22148 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
22149 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
22150 define or prototype fatal. Set progname at beginning of main.
22151 * genoutput.c: Likewise, and don't define or prototype error
22154 * c-typeck.c (c_expand_start_case): Return immediately if exp
22156 * fold-const.c (operand_equal_p): Return immediately if arg1
22157 or arg0 are ERROR_MARKs.
22158 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
22159 fields of type ERROR_MARK when calculating if the record can
22162 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
22163 with much help from Jeffrey A Law and Richard Henderson
22165 * i386.md: In the 6 insns which call output_fix_trunc,
22166 earlyclobber operands[0].
22168 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
22170 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
22171 creating new registers.
22173 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
22175 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
22176 i386_reg_alloc_order, i386_regparm_string,
22177 i386_align_loops_string, i386_align_jumps_string,
22178 i386_align_funcs_string, i386_preferred_stack_boundary_string,
22179 and i386_branch_cost_string as type "const char *".
22180 * i386.c: Define all above strings as type "const char *".
22182 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
22184 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
22185 when emitting alignment padding. Emit padding byte of 0 instead of 4.
22187 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
22189 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
22190 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
22192 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
22194 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
22195 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
22196 (dwarf2out_line, dwarf2out_finish): Likewise.
22197 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
22199 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
22201 * tree.c (lang_unsave_expr_now) : Correct return type.
22202 * tree.h (lang_unsave_expr_now) : Same.
22204 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
22206 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
22207 instead of duplicating code.
22209 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22211 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
22213 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
22215 * tree.h: fancy_abort always takes three args.
22216 * resource.c: Move include of system.h before toplev.h.
22218 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
22220 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
22223 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
22225 * system.h: Don't redefine abort or trim_filename.
22226 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
22227 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
22228 whether or not __FUNCTION__ is available.
22229 * tree.h: Duplicate rtl.h's definition of abort, for files
22230 that don't include rtl.h. Delete all code to perform type
22231 checking with a compiler other than GCC.
22232 * varray.h: Delete all code to perform type checking with a
22233 compiler other than GCC. Make VARRAY_CHECK() always evaluate
22234 its arguments exactly once, using a statement expression.
22235 Adjust the VARRAY_<type> accessor macros to match.
22236 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
22237 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
22238 caller's location. Define fatal_insn and fatal_insn_not_found
22239 as macros that use _fatal_insn and _fatal_insn_not_found.
22240 (fancy_abort, trim_filename): Kill prototypes.
22242 * rtl.c (trim_filename): Move here from toplev.c.
22243 (fancy_abort): New function.
22244 (DIR_SEPARATOR): Provide default definition.
22245 * tree.c (tree_check_failed, tree_class_check_failed): Go
22246 through fancy_abort.
22247 (tree_check, tree_class_check, cst_or_constructor_check,
22248 expr_check): Delete.
22249 * varray.c (varray_check_failed): New function.
22250 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
22251 _fatal_insn and _fatal_insn_not_found. Go through
22253 (trim_filename, fancy_abort): Delete.
22255 * builtins.c (expand_builtin_args_info): Report ICE with abort.
22256 * except.c (start_catch_handler): Report ICE with error/abort
22258 * final.c (output_operand_lossage): Likewise.
22259 * flow.c (verify_flow_info): Likewise.
22261 * gcc.c: Prototype fatal.
22262 * gengenrtl.c: Undef abort after including rtl.h not system.h.
22263 * genattr.c, genattrtab.c, genemit.c, genextract.c,
22264 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
22265 Don't define fancy_abort.
22267 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
22269 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
22272 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
22274 * m88k.h (VERSION_INFO2): Kill.
22275 (VERSION_STRING): Kill.
22277 (VERSION_INFO1): Tidy.
22278 (TARGET_VERSION): Update.
22279 * m88k/dgux.h (VERSION_INFO2): Kill.
22280 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
22281 * m88k/luna.h (VERSION_INFO1): Tidy.
22282 * m88k/sysv4.h (VERSION_INFO1): Likewise.
22283 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
22284 (output_file_start): Adjust for death of VERSION_STRING.
22286 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
22288 * cpplib.c (detect_if_not_defined): New function.
22289 (do_if): Use it to detect potential once-only headers.
22291 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
22293 * c-common.c (combine_strings): Always set TREE_CONSTANT.
22295 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
22297 * combine.c (nonzero_bits) : Allow single-ly set registers to be
22298 anywere in the function only if they are pseudos and set before
22299 being used (not live at the start of the function).
22300 (num_sign_bit_copies) : Same.
22301 (get_last_value_validate) : Same.
22302 (get_last_value) : Same.
22304 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
22306 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
22307 where N and M are constant and N is an integer multiple of M.
22309 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22311 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
22312 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
22313 sbitmap_union_of_preds): Add prototypes.
22314 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
22315 the intersection of successors with the new flow graph structures.
22316 (sbitmap_intersection_of_preds): New function to compute the
22317 intersection of predecessors with the new flow graph structures.
22318 (sbitmap_union_of_succs): New function to compute the union of
22319 successors with the new flow graph structures.
22320 (sbitmap_union_of_preds): New function to compute the union of
22321 predecessors with the new flow graph structures.
22322 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
22323 (expr_reaches_here_p): Use edge and basic_block structures instead
22324 of s_preds and s_succs.
22325 (compute_cprop_avinout): Use new sbitmap routines.
22326 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
22327 of s_preds and s_succs.
22328 * flow.c (compute_flow_dominators): Compute dominators using
22329 edges and basic blocks instead of s_preds and s_succs.
22331 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22333 * lists.c (unused_insn_list, unused_expr_list): New file for
22334 maintaining various types of lists. New statics for maintaining a
22335 cache of available INSN_LIST and EXPR_LIST nodes.
22336 (free_list): Static function for freeing a list of INSN/EXPR nodes.
22337 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
22338 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
22339 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
22340 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
22341 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
22342 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
22343 (free_INSN_LIST_node): Free an individual INSN_LIST node.
22344 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
22345 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
22346 (remove_dependence, free_pending_lists): Use new global routines.
22347 (flush_pending_lists, sched_analyze_insn): Use new global routines.
22348 (sched_analyze, compute_block_backward_dependences): Use new routines.
22349 (sched_analyze_1, sched_analyze_2): Use new routines.
22350 (schedule_insns): Use new global routines.
22351 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
22353 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
22354 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
22356 * toplev.c (rest_of_compilation): Initialize node cache.
22357 * Makefile.in (OBJS): Add lists.o to list of object files.
22358 (lists.o): Add dependancies.
22360 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
22362 * config/v850/v850.md: Fix compile time warning messages.
22363 * config/v850/v850.c: Fix compile time warning messages.
22364 * config/v850/v850.h: Fix compile time warning messages.
22366 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22368 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
22369 Remove unused prototype for `init_lengths'.
22371 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22373 * calls.c (emit_call_1): Mark parameter `stack_size' with
22375 (expand_call): Initialize variable `insn'.
22376 (emit_library_call): Likewise for variable `high_to_save'.
22377 (emit_library_call_value): Likewise.
22378 (store_one_arg): Likewise for variables `lower_bound' and
22381 * combine.c (try_combine): Likewise for variables `i2_code_number'
22382 and `other_code_number'.
22383 (find_split_point): Likewise for variables `pos', `unsignedp' and
22385 (simplify_if_then_else): Likewise for variables `op' and `c1'.
22386 (simplify_and_const_int): Remove unused variable `width'.
22387 (merge_outer_ops): Likewise.
22389 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
22390 HOST_WIDE_INT' when comparing against one.
22391 (simplify_relational_operation): Likewise.
22392 (cse_insn): Initialize variables `src_eqv_volatile',
22393 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
22395 * final.c (init_final): Constify parameter `filename'.
22396 (final_start_function): Mark parameter `optimize' with
22398 (profile_function): Likewise for parameters `first' and `optimize'.
22399 (output_source_line): Likewise for parameter `file'.
22401 * integrate.c (subst_constants): Cast a value to `size_t' when
22402 comparing against one.
22403 (mark_stores): Initialize variable `mode'. Cast a value to
22404 `size_t' when comparing against one.
22406 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
22408 * loop.c (move_movables): Initialize variable `first'.
22409 (strength_reduce): Likewise for variable `increment'.
22410 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
22411 value to `size_t' when comparing against one.
22412 (load_mems): Initialize variable `end_label'.
22414 * output.h (init_final): Constify parameter.
22416 * reload.c (decompose): Initialize variable `base'.
22418 * reload1.c (reload): Likewise for variable `is_scalar'.
22419 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
22420 (choose_reload_regs): Initialize variable `mode'.
22421 (emit_reload_insns): Likewise for variable `store_insn'.
22422 (reload_cse_noop_set_p): Mark parameter `insn' with
22424 (reload_combine): Initialize variable `set'.
22426 * unroll.c (unroll_loop): Likewise for variable `local_label'.
22427 (copy_loop_body): Cast a value to `size_t' when comparing against
22430 * varasm.c (assemble_variable): Initialize variable `size_tree'.
22431 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
22432 (remove_from_pending_weak_list): Mark parameter `name' with
22435 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22437 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
22440 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
22442 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
22443 (ASM_DECLARE_FUNCTION_NAME): Define.
22444 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
22445 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
22446 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
22447 not already defined.
22449 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
22451 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
22452 of n_popped when call/call_value are not defined.
22454 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
22456 * tm.texi: GNU CC -> GCC conversion.
22457 (CC1_SPEC): Indicate it is used for all language front ends.
22459 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
22461 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
22462 NOTE_INSN_EH_REGION_END correctly.
22464 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
22465 Jeff Law <law@cygnus.com>
22467 * loop.c (strength_reduce): Automatically unroll loops if the
22468 unrolled loop size is smaller than the rolled loop size.
22470 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
22471 and delete comment that code should be rewritten.
22473 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
22475 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
22478 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
22480 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22482 * fixinc/mkfixinc.sh: Don't fix uwin headers.
22483 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
22484 (LINK_SPEC): Add -u _main when building executables.
22485 (ASM_DECLARE_FUNCTION): Update from Cygwin.
22486 (ASM_FILE_END): Use the default for ix86-pe.
22487 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
22489 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
22491 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
22492 and ASM_CLOSE_PAREN are empty strings.
22494 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
22495 Geoffrey Keating <geoffk@cygnus.com>
22497 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
22498 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
22499 (unprotoize.o): Ditto.
22500 (test-protoize-simple): Don't define STD_PROTO_DIR.
22501 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
22502 changes to make 'test-protoize-simple' pass.
22503 (STD_PROTO_DIR): Remove define.
22504 (STANDARD_EXEC_PREFIX): Supply default define.
22505 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
22506 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
22507 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
22508 (GET_ENV_PATH_LIST): New macro.
22509 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
22510 (do_processing): Initialize default_syscalls_dir using new
22511 macros. Use it to initialize syscalls_absolute_filename.
22513 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
22515 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
22516 B into a register before emit_conditional_move.
22518 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
22520 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
22521 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
22522 multiplicand out of (+ (* a b) (* c d)).
22524 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
22525 Richard Henderson <rth@cygnus.com>
22527 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
22528 (new_insn_dead_notes): Likewise.
22529 (update_n_sets): Likewise.
22530 (update_flow_info): Move to flow.c, renamed to update_life_info;
22531 extend to handle multiple source insns.
22532 * flow.c: Include resource.h
22533 (unlink_insn_chain): New.
22534 (split_hard_reg_notes): New.
22535 (maybe_add_dead_note): New.
22536 (maybe_add_dead_note_use): New.
22537 (find_insn_with_note): New.
22538 (new_insn_dead_notes): New.
22539 (update_n_sets): New.
22540 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
22541 (maybe_remove_dead_notes): New.
22542 (update_life_info): New.
22543 (prepend_reg_notes): New.
22544 (replace_insns): New.
22545 * output.h (update_life_info): Declare.
22546 * recog.c (split_block_insns): Use update_life_info.
22547 * resource.c (find_free_register): Use reg_alloc_order, don't use
22548 fixed regs, make sure the mode is supported, don't use new regs.
22550 * rtl.h (replace_insns): Declare.
22552 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
22554 * expr.c (expand_expr): Cope with COND_EXPRs with one
22555 non-returning branch.
22557 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
22559 * expr.c (store_expr): Always pass down the target, even when not
22562 1999-08-24 Nick Clifton <nickc@cygnus.com>
22564 * configure.in: Define target_cpu_default for v850 targets.
22565 * configure: Regenerate
22567 * config/v850/v850.h (TARGET_CPU_generic): Define.
22568 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
22569 addresses are 4 byte aligned.
22571 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
22574 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22576 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
22577 (main): Add prototypes.
22579 * genattrtab.c (substitute_address, write_const_num_delay_slots,
22580 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
22581 (write_attr_get): Emit prototypes along with function definition.
22582 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
22583 (write_complex_function): Emit static prototype along with
22584 function definition.
22586 * genemit.c (gen_split): Emit prototypes along with function
22589 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
22590 Likewise for predicates and `insn_operand_predicate'.
22591 (process_template): Emit static prototype along with function
22594 * genrecog.c (make_insn_sequence): Constify a char*. Add
22595 prototypes for get_split_*().
22596 (write_subroutine): Emit prototypes along with function
22599 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22601 * gcse.c (find_avail_set): Follow chains of register-register copies.
22602 Use oprs_not_set_p to guarantee that the returned value can be
22604 (cprop_insn): Don't verify the return value of find_avail_set with
22607 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
22608 (cprop_cc0_jump): New function.
22609 (cprop_insn): Break out new function cprop_jump and use it.
22610 Also use cprop_cc0_jump for machines with CC0.
22611 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
22613 * tree.h (current_function_calls_setjmp,
22614 current_function_calls_longjmp): Delete declarations.
22615 * dsp16xx.c: Include "function.h".
22616 * elxsi.c: Likewise.
22617 * gmicro.c: Likewise.
22618 * h8300.c: Likewise.
22619 * i370.c: Likewise.
22620 * m32r.c: Likewise.
22621 * mn10200.c: Likewise.
22622 * mn10300.c: Likewise.
22623 * ns32k.c: Likewise.
22624 * spur.c: Likewise.
22625 * v850.c: Likewise.
22627 * rtl.h (rtx_equal_function_value_matters): Declare.
22628 * toplev.c (rtx_equal_function_value_matters): Don't declare.
22630 * function.c: Likewise.
22631 * emit-rtl.c: Likewise.
22633 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
22635 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
22638 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
22640 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
22643 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
22645 * cpp.texi: Add a node documenting macro varargs (copied
22648 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
22650 * cppspec.c: Put a null pointer at the end of the new argv.
22652 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
22654 * configure.in: Remove code to select/de-select the haifa
22655 scheduler. Every scheduled port gets haifa now.
22656 * configure: Rebuilt.
22657 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
22659 * Makefile.in: Corresponding changes.
22661 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22663 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
22664 All callers changed.
22665 (prepare_float_lib_cmp): Likewise.
22666 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
22667 * expr.h (emit_float_lib_cmp): Delete declaration.
22668 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
22669 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
22670 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
22672 (cmptf): Now conditional on TARGET_HARD_QUAD.
22674 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
22676 * resource.c (mark_target_live_regs): Use
22677 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
22679 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22681 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
22683 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
22685 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
22687 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22689 * rtl.h (rtx_format): Constify a char*.
22691 * rtl.c (rtx_format): Likewise.
22692 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
22693 (init_rtl): Use accessor macro, not `rtx_format'.
22695 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
22698 * caller-save.c (mark_referenced_regs): Likewise.
22700 * combine.c (subst, make_compound_operation, known_cond,
22701 gen_rtx_combine, update_table_tick, get_last_value_validate,
22702 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
22704 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
22705 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
22706 count_reg_usage): Likewise.
22708 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
22711 * final.c (leaf_renumber_regs_insn): Likewise.
22713 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
22714 dump_edge_info, count_reg_references): Likewise.
22716 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
22717 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
22720 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
22721 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
22722 add_label_notes): Likewise.
22724 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
22725 clear_struct_flag, count_sub_rtxs, count_alternatives,
22726 compares_alternatives_p, contained_in_p, walk_attr_value,
22727 write_expr_attr_cache): Likewise.
22729 * genconfig.c (walk_insn_part): Likewise.
22731 * genemit.c (max_operand_1, gen_exp): Likewise.
22733 * genextract.c (walk_rtx): Likewise.
22735 * genflags.c (num_operands): Likewise.
22737 * genoutput.c (scan_operands): Likewise.
22739 * genpeep.c (match_rtx): Likewise.
22741 * genrecog.c (add_to_sequence): Likewise.
22743 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
22746 * integrate.c (save_constants, copy_for_inline,
22747 copy_rtx_and_substitute, subst_constants, restore_constants):
22750 * jump.c (mark_jump_label, invert_exp, redirect_exp,
22751 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
22753 * local-alloc.c (contains_replace_regs, memref_referenced_p):
22756 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
22757 add_label_notes, replace_call_address, count_nonfixed_reads,
22758 invariant_p, find_single_use_in_loop, find_mem_givs,
22759 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
22762 * print-rtl.c (reg_names, print_rtx): Likewise.
22764 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
22766 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
22767 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
22768 print_blocks): Likewise.
22770 * regclass.c (fix_register, record_address_regs,
22771 reg_scan_mark_refs): Likewise.
22773 * regmove.c (stable_but_for_p): Likewise.
22775 * reload.c (loc_mentioned_in_p, operands_match_p,
22776 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
22777 copy_replacements, refers_to_regno_for_reload_p,
22778 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
22779 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
22782 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
22783 delete_address_reloads_1, count_occurrences,
22784 reload_cse_mem_conflict_p, reload_combine_note_use,
22785 add_auto_inc_notes): Likewise.
22787 * resource.c (mark_referenced_resources, mark_set_resources):
22790 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
22791 reg_mentioned_p, regs_set_between_p, modified_between_p,
22792 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
22793 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
22794 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
22795 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
22797 * sched.c (sched_analyze_2, attach_deaths): Likewise.
22799 * stupid.c (stupid_mark_refs): Likewise.
22801 * unroll.c (remap_split_bivs): Likewise.
22803 * varasm.c (mark_constants): Likewise.
22805 * a29k/a29k.c (uses_local_reg_p): Likewise.
22807 * alpha/alpha.c (summarize_insn): Likewise.
22809 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
22810 eliminate_lr2ip): Likewise.
22812 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
22814 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
22815 reg_mentioned_in_mem): Likewise.
22817 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
22818 symbolic_reference_mentioned_p): Likewise.
22820 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
22822 * sh/sh.c (regs_used, mark_use): Likewise.
22824 * vax/vax.c (vax_rtx_cost): Likewise.
22826 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22828 * machmode.h (mode_name): Constify a char*.
22830 * rtl.c (mode_name): Likewise.
22832 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
22834 * optabs.c (init_libfuncs): Constify a char*.
22836 * print-tree.c (mode_name): Remove redundant declaration.
22837 (print_node): Use accessor macro, not `mode_name'.
22839 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
22841 (new_spill_reg): Constify a char*.
22843 * tree.c (mode_name): Remove redundant declaration.
22845 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22847 * rtl.c (rtx_name): Constify a char*.
22849 * rtl.h (rtx_name, fix_sched_param): Likewise.
22851 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
22852 (mypr): Use accessor macro, not `rtx_name'.
22854 * genemit.c (print_code): Constify a char*.
22856 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
22858 * genpeep.c (print_code): Constify a char*.
22860 * genrecog.c (print_code): Likewise.
22862 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
22863 end_bb): Add static prototype.
22864 (draw_edge): Constify a char*.
22865 (end_bb): Remove unused parameter.
22867 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
22868 print_block_visualization): Constify a char*.
22870 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
22872 * c-common.c (c_get_alias_set): Update comment.
22874 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
22876 * linux.h (LIB_SPEC): Added.
22878 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22880 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
22882 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
22884 * tree.c (expr_check): Fix typo in last change.
22886 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
22888 * rtl.def (NOTE): Change format to "iuu0n".
22889 (ADDR_DIFF_VEC): Change format to "eEee0".
22890 (ADDRESSOF): Change format to "eit".
22892 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
22893 (RTVEC_ELT): Change to match.
22894 (XVECEXP): Use XVEC and RTVEC_ELT.
22895 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
22896 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
22897 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
22898 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
22899 TRAP_CONDITION, TRAP_CODE): Use XEXP.
22900 (INTVAL): Use XWINT.
22901 (ADDRESSOF_DECL): Use XTREE.
22902 (SET_ADDRESSOF_DECL): Delete.
22903 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
22904 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
22905 ifdefed out since 2.6 at least.
22906 (gen_rtvec_vv): Delete prototype.
22908 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
22910 (copy_most_rtx): Handle 't' format letter.
22911 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
22912 (gen_rtvec_vv): Delete function. All callers changed to use
22913 gen_rtvec_v instead.
22914 * print-rtl.c (print_rtx): Move special casing of NOTEs to
22915 the '0' format letter.
22917 * function.c (gen_mem_addressof): Don't use
22918 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
22920 * integrate.c (copy_rtx_and_substitute): Likewise.
22921 Copy 't' slots with XTREE.
22922 (subst_constants): Treat 't' slots like '[swi]' slots.
22923 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
22924 * jump.c (rtx_equal_for_thread_p): Likewise.
22925 * rtlanal.c (rtx_equal_p): Likewise.
22926 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
22927 only four arguments.
22928 * gengenrtl.c (type_from_format): Provide correct types for
22932 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
22933 If a recent gcc is in use (always in stage2 and beyond), use
22934 statement expressions, so we don't make a function call unless
22935 the check fails. Evaluate arguments exactly once.
22936 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
22937 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
22939 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
22940 they evaluate their arguments exactly once, irrespective of
22941 the compiler in use.
22943 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
22944 is used by the currently-enabled check macros. This is:
22945 (tree_check_failed, tree_class_check_failed): For gcc.
22946 (tree_check, tree_class_check, cst_or_constructor_check,
22947 expr_check): For other compilers.
22949 * gencheck.c: Do not define any *_CHECK1 macros.
22951 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
22952 Mark Mitchell <mark@codesourcery.com>
22954 * c-common.c (c_get_alias_set): Fix support for poitners and
22957 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
22959 * alias.c: Include tree.h.
22960 (nonlocal_reference_p, mark_constant_function): New functions.
22961 * flow.c (life_analysis): Call mark_constant_function.
22962 * rtl.h (mark_constant_function): Declare it.
22964 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
22966 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
22967 unrecognisable switches.
22969 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22971 * loop.c (recombine_givs): Set ix field after sorting.
22972 (recombine_givs): Remove bogus index / giv lockstep looping.
22974 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22976 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
22978 (emit_store_flag_force): Use do_compare_rtx_and_jump.
22979 (do_cmp_and_jump): Formatting fixes.
22980 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
22981 do_compare_rtx_and_jump instead of compare_from_rtx.
22982 (do_compare_rtx_and_jump): New function; mostly copied from
22984 (do_jump_for_compare): Delete.
22985 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
22987 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
22988 of compare/do_jump_for_compare pairs.
22989 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
22990 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
22991 compare_from_rtx/do_jump_for_compare pairs.
22992 (do_jump_by_parts_equality): Likewise.
22993 (do_jump_by_parts_equality_rtx): Likewise.
22994 * expr.h (do_compare_rtx_and_jump): Declare.
22995 * optabs.c (prepare_cmp_insn): New function, contains most of the code
22996 that used to be in emit_cmp_insn.
22997 (cmp_available_p): New function.
22998 (prepare_operand): New function.
22999 (emit_cmp_and_jump_insn_1): New function, contains some code that used
23000 to be in emit_cmp_insn.
23001 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
23002 parameters to be pointers; don't emit final compare but modify some of
23003 the values pointed to by the args so the caller can perform the
23004 correct comparison.
23005 (expand_binop): Call emit_store_flag_force with signed forms of
23007 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
23008 emit_jump_insn pair.
23009 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
23010 emit_cmp_and_jump_insn_1. Call emit_queue.
23011 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
23013 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
23014 jump sets cc0 before deleting it.
23015 * integrate.c (expand_inline_function): Likewise.
23016 * unroll.c (unroll_loop): Similar changes in several places.
23017 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
23018 before deleting it.
23020 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23022 * Makefile.in (insn-recog.o): Update dependencies.
23023 * genrecog.c (main): Make generated file include "function.h".
23025 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
23027 * cse.c (cse_insn): Call never_reached_warning when a jump is
23028 changed to be unconditional.
23029 * flags.h: Declare warn_notreached.
23030 * flow.c (delete_block): Call never_reached_warning when
23031 a block is deleted.
23032 * jump.c (delete_barrier_successors): Call never_reached_warning
23033 when we delete everything after a BARRIER.
23034 (never_reached_warning): New function.
23035 * rtl.h: Declare never_reached_warning.
23036 * toplev.c (warn_notreached): New variable.
23037 (lang_independent_options): Set warn_notreached
23038 when -Wunreachable-code.
23039 (compile_file): We need line numbers for -Wunreachable-code.
23041 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
23043 * haifa-sched.c (insn_unit): Fix typo on out of range test.
23044 * sched.c (insn_unit): Likewise.
23046 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
23048 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
23050 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23052 * flow.c (create_edge_list): Use xmalloc, not malloc.
23054 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
23056 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
23057 C-style comments. Do not lose the character before double slash.
23059 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23061 * basic-block.h (struct edge_list): Stucture to maintain a vector
23063 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
23064 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
23065 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
23066 New function prototypes.
23067 * flow.c (create_edge_list): Function to create an edge list.
23068 (free_edge_list): Discards memory used by an edge list.
23069 (print_edge_list): Debug output showing an edge list.
23070 (verify_edge_list): Internal consistency check for an edge list.
23071 (find_edge_index): Function to find an edge index for a pred and succ.
23073 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
23075 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
23078 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
23080 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
23082 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
23084 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
23086 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
23088 * toplev.c (rest_of_compilation): Allow machine dependent
23089 reorganisation pass to place information into the RTL dump
23090 file if it so wishes.
23092 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
23094 * explow.c (hard_function_value): Use VOIDmode instead of
23096 * stmt.c (expand_return): Likewise.
23097 * stor-layout.c (get_best_mode): Likewise.
23099 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
23100 emit call instead of emit_insn call.
23102 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
23104 * configure.in: Handle --disable/enable-win32-registry.
23105 * install.texi: Document --disable/enable-win32-registry.
23106 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
23107 (WIN32_REGISTRY_KEY): New macro.
23108 * prefix.c: Use to enable/disable win32-specific code.
23109 (lookup_key): Use versioned key.
23110 * configure: Regenerate.
23111 * config.in: Likewise.
23113 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
23115 * cpplib.c (read_line_number): New fn, split out of...
23118 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
23120 tree.c (lang_unsave_expr_now) : New.
23121 (unsave_expr_now): Call lang_unsave_expr_now.
23122 tree.h (lang_unsave_expr_now) : New.
23124 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
23126 * toplev.c (flag_new_exceptions): On by default.
23128 1999-08-13 Michael Meissner <meissner@cygnus.com>
23130 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
23132 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
23134 * dwarfout.c (fundamental_type_code): Return FT_boolean for
23135 INTEGER_TYPE with precision==1, it's __java_boolean.
23137 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23139 * global.c (prune_preferences): Move some invariants out of the
23142 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
23144 * configure.in (alpha*-dec-osf*): Add osf5.
23146 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
23148 * configure.in: Rework handling of ARM GNU/Linux slightly.
23149 (arm*-*-linux-gnuoldld): New target.
23150 * configure: Regenerate.
23151 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
23152 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
23153 * config/arm/linux-oldld.h: New file.
23154 * config/arm/linux-elf26.h: Don't include linux-elf.h.
23155 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
23157 * config/arm/linux-elf.h (ASM_SPEC): Define.
23158 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
23159 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
23160 for 26-bit APCS and old linker.
23161 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
23163 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
23164 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
23165 don't define `arm' or `arm_elf'.
23166 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
23167 MULTILIB_DIRNAMES): Define. Fix typo in comment.
23169 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
23171 * rtl.texi: Fix typo.
23173 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
23175 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
23177 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
23179 * extend.texi (C++ Signatures): Remove node.
23180 * invoke.texi: Remove discussion of -fhandle-signatures,
23181 signature, sigof, __signature__, and __sigof__.
23183 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
23185 * Makefile.in (JAVAGC): Removed.
23187 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
23189 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
23191 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
23193 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
23195 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
23197 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
23198 a register that is already known to be a pointer.
23200 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
23202 * fixinc/inclhack.tpl: Only install assert.h conditionally.
23203 * fixinc/inclhack.sh: Regenerated.
23204 * fixinc/fixincl.sh: Regenerated.
23206 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
23208 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
23209 Fix documentation of -ansi flag to describe its C++ behavior.
23210 Remove bogus reference to GCC 2.9.
23212 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
23214 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
23215 note if it is non-NULL.
23217 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23219 * except.h (eh_nesting_info): Add new structure defintion.
23220 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
23221 (reachable_handlers, update_rethrow_references): Add function
23223 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
23224 a rethrow symbol instead of an integer exception region number.
23225 * flow.c (Make_edges): Use new exception nesting routines to determine
23226 which handlers are reachable from a CALL or asynchronous insn.
23227 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
23229 (delete_eh_regions): Update rethrow labels, and don't delete
23230 regions which are the target of a rethrow.
23231 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
23232 avoid overloading the SYMBOL_REF_USED flag.
23233 (rethrow_symbol_map): Use new rethrow_ref field.
23234 (rethrow_used): Use new rethrow_ref field.
23235 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
23236 of an integer. Fix formatting.
23237 (output_exception_table_entry): Use new rethrow_ref field.
23238 (can_throw): Check for EH_REGION_NOTE before deciding
23239 whether a CALL can throw or not.
23240 (scan_region): Call rethrow_used() instead of accessing data structure.
23241 (update_rethrow_references): New function to make sure only regions
23242 which are still targets of a rethrow are flagged as such.
23243 (process_nestinfo): New static function to initialize a handler
23244 list for a specific region.
23245 (init_eh_nesting_info): New function to allocate and initialize
23246 the list of all EH handlers reachable from all regions.
23247 (reachable_handlers): New function to retrieve the list of handlers
23248 reachable from a specific region and insn.
23249 (free_eh_nesting_info): New function to dispose of a list of
23250 reachable handlers.
23252 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23254 * flow.c (split_edge): Set JUMP_LABEL field.
23255 (commit_one_edge_insertion): Set head correctly for insert_before.
23256 When inserting insns, update insn block numbers if allocated.
23258 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23260 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
23261 retry_incomplete_types): Add static prototype.
23262 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
23263 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
23264 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
23265 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
23266 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
23269 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
23270 dwarf2out_start_source_file, dwarf2out_line): Likewise.
23272 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23274 * output.h (assemble_name): Constify a char*.
23276 * varasm.c (UNIQUE_SECTION, assemble_start_function,
23277 assemble_variable, assemble_name): Likewise.
23279 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
23281 * arm/pe.c (arm_pe_unique_section): Likewise.
23283 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
23285 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
23287 * i386/interix.c (i386_pe_unique_section): Likewise.
23289 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
23291 * i386/winnt.c (i386_pe_unique_section): Likewise.
23293 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
23295 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
23297 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
23299 * pa/pa.c (output_call): Likewise.
23301 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
23303 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
23305 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
23308 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
23311 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
23313 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
23314 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
23316 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
23318 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23320 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
23322 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23324 * tree.h (lang_identify): Constify a char*.
23325 (print_error_function): Add extern prototype. Constify a char*.
23327 * c-lang.c (lang_identify): Constify a char*.
23329 * objc/objc-act.c (lang_identify): Constify a char*.
23331 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23333 * genpeep.c (main): Make generated file include "function.h".
23334 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
23336 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23338 * Makefile.in: Update dependencies.
23339 * alias.c: Include "function.h"
23340 * c-decl.c: Likewise.
23341 * caller-save.c: Likewise.
23342 * calls.c: Likewise.
23343 * combine.c: Likewise.
23345 * explow.c: Likewise.
23346 * final.c: Likewise.
23347 * global.c: Likewise.
23348 * graph.c: Likewise.
23349 * local-alloc.c: Likewise.
23350 * loop.c: Likewise.
23351 * optabs.c: Likewise.
23352 * profile.c: Likewise.
23353 * recog.c: Likewise.
23354 * regclass.c: Likewise.
23355 * regmove.c: Likewise.
23356 * reload.c: Likewise.
23357 * reorg.c: Likewise.
23358 * resource.c: Likewise.
23359 * sched.c: Likewise.
23360 * stupid.c: Likewise.
23361 * config/1750a/1750a.c: Likewise.
23362 * config/a29k/a29k.c: Likewise.
23363 * config/arc/arc.c: Likewise.
23364 * config/arm/arm.c: Likewise.
23365 * config/arm/thumb.c: Likewise.
23366 * config/c4x/c4x.c: Likewise.
23367 * config/clipper/clipper.c: Likewise.
23368 * config/convex/convex.c: Likewise.
23369 * config/fx80/fx80.c: Likewise.
23370 * config/i860/i860.c: Likewise.
23371 * config/m68k/m68k.c: Likewise.
23372 * config/m88k/m88k.c: Likewise.
23373 * config/mips/mips.c: Likewise.
23374 * config/pdp11/pdp11.c: Likewise.
23375 * config/pyr/pyr.c: Likewise.
23376 * config/romp/romp.c: Likewise.
23377 * config/sh/sh.c: Likewise.
23378 * config/tahoe/tahoe.c: Likewise.
23379 * config/vax/vax.c: Likewise.
23380 * config/we32k/we32k.c: Likewise.
23381 * config/sparc/sparc.c: Include "function.h".
23382 (mem_min_alignment): Test current_function rather than
23383 regno_pointer_align.
23384 * config/pa/pa.c: Likewise.
23385 (compute_frame_size): Delete declaration of
23386 current_function_outgoing_args_size.
23387 * config/arc/arc.h (current_function_varargs): Delete declaration.
23388 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
23390 * config/i370/i370.h (current_function_outgoing_args_size): Delete
23392 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
23393 current_function_uses_pic_offset_table.
23394 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
23395 of current_function_returns_pointer.
23396 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23397 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23398 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23399 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23400 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23401 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23402 * config/m88k/m88k.c: Include "function.h"
23403 (call_used_regs, current_function_pretend_args_size,
23404 current_function_outgoing_args_size, frame_pointer_needed): Delete
23406 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
23408 * config/mips/mips.h (current_function_calls_alloca): Delete
23410 * config/mn10200/mn10200.h (current_function_needs_context,
23411 rtx_equal_function_value_matters): Delete declarations.
23412 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
23413 flag_pic): Delete declarations.
23414 * config/pa/pa.h (current_function_pretend_args_size,
23415 current_function_decl): Delete declarations.
23416 * config/pa/som.h (current_function_varargs): Delete declaration.
23417 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
23419 * config/pyr/pyr.h (current_function_pretend_args_size,
23420 current_function_args_size, current_function_calls_alloca): Delete
23422 * config/sh/sh.h (current_function_varargs): Delete declaration.
23423 * config/sparc/sparc.h (current_function_outgoing_args_size,
23424 current_function_calls_alloca, current_function_decl): Delete
23426 * config/spur/spur.h (current_function_pretend_args_size,
23427 current_function_calls_alloca): Delete declarations.
23428 * config/v850/v850.c (current_function_outgoing_args_size): Delete
23430 * config/vax/vms.h (current_function_name): Delete declaration.
23431 * gcse.c: Include "function.h".
23432 (current_function_name, current_function_calls_setjmp): Delete
23434 * haifa-sched.c: Include "function.h".
23435 (forced_labels): Delete declaration.
23436 * jump.c: Likewise.
23437 * reg-stack.c: Likewise.
23438 * reload1.c: Likewise.
23439 * genemit.c (main): Make generated file include function.h.
23440 * genoutput.c (output_prologue): Likewise.
23442 * builtins.c (saveregs_value, apply_args_value): Delete variables.
23443 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
23444 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
23445 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
23446 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
23447 macros for some of them.
23448 (emit_filename, emit_lineno): Delete declarations.
23449 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
23450 regno_pointer_* variables through current_function.
23451 (gen_inline_header_rtx): Delete function.
23452 (save_emit_status): Delete function.
23453 (set_new_last_label_num): New function.
23454 (clear_emit_caches): New function.
23455 (restore_emit_status): Just clear last_labelnum and call
23457 (get_last_insn_anywhere): Variable sequence_stack is now accessed
23458 through macro seq_stack.
23459 (add_insn_after): Likewise.
23460 (add_insn_before): Likewise.
23461 (remove_insn): Likewise.
23462 (pop_topmost_sequence): Likewise.
23463 (in_sequence_p): Likewise.
23464 (start_sequence_for_rtl_expr): Likewise.
23465 (start_sequence): Likewise, and likewise for
23466 sequence_rtl_expr/seq_rtl_expr.
23467 (push_topmost_sequence): Likewise.
23468 (end_sequence): Likewise.
23469 (init_virtual_regs): Now takes a "struct emit_status *" argument.
23470 All callers changed. Store into that pointer instead of globals.
23471 (init_emit): Allocate emit elt of current_function.
23472 Changes for sequence_rtl_expr/sequence_stack renaming.
23473 Call clear_emit_caches instead of doing it in-line.
23474 Access regno_pointer_* variables through current_function.
23475 (init_emit_once) Don't clear sequence_stack.
23477 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
23479 (arg_pointer_save_area): Delete declaration.
23480 (finish_expr_for_function): Renamed from init_queue; no longer static.
23481 (init_expr): Don't call init_queue.
23482 (save_expr_status, restore_expr_status): Delete functions.
23483 (expand_expr): Changes to reflect new layout of struct function.
23484 Don't access current_function_check_memory_usage when current_function
23486 * expr.h (forced_labels, save_expr_regs, saveregs_value,
23487 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
23488 current_function_outgoing_args_size, current_function_arg_offset_rtx,
23489 current_function_uses_const_pool, function_call_count,
23490 current_function_uses_pic_offset_table, nonlocal_labels,
23491 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
23492 current_function_check_memory_usage, nonlocal_goto_handler_slots,
23493 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
23495 (finish_expr_for_function): Declare.
23496 * flags.h (current_function_has_nonlocal_label,
23497 current_function_has_nonlocal_goto, current_function_is_thunk,
23498 current_function_has_computed_jump): Delete declarations.
23499 * flow.c (forced_labels): Delete declaration.
23500 * function.c (current_function_pops_args,
23501 current_function_returns_struct, current_function_returns_pcc_struct,
23502 current_function_needs_context, current_function_calls_setjmp,
23503 current_function_calls_longjmp, current_function_has_nonlocal_label,
23504 current_function_has_nonlocal_goto, current_function_is_thunk,
23505 current_function_has_computed_jump, current_function_calls_alloca,
23506 current_function_contains_functions, current_function_returns_pointer,
23507 current_function_epilogue_delay_list, current_function_args_size,
23508 current_function_pretend_args_size, current_function_arg_offset_rtx,
23509 current_function_outgoing_args_size, current_function_varargs,
23510 current_function_stdarg, current_function_args_info, cleanup_label,
23511 current_function_name, current_function_uses_const_pool,
23512 current_function_instrument_entry_exit, current_function_return_rtx,
23513 current_function_uses_pic_offset_table, nonlocal_labels,
23514 current_function_internal_arg_pointer, current_function_cannot_inline,
23515 current_function_check_memory_usage, function_call_count,
23516 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
23517 nonlocal_goto_stack_level, return_label, save_expr_regs,
23518 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
23519 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
23520 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
23521 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
23522 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
23524 (push_function_context_to): Don't save them. Don't call
23525 save_storage_status, save_emit_status or save_expr_status.
23526 (pop_function_context_from): Don't restore them. Don't call
23527 restore_storage_status or restore_expr_status.
23528 (get_func_frame_size): New function.
23529 (get_frame_size): Use it.
23530 (assign_outer_stack_local): Reflect some member name changes in struct
23532 (put_reg_into_stack): Likewise.
23533 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
23535 (fixup_var_refs): Likewise.
23536 (fix_lexical_addr): Likewise.
23537 (trampoline_address): Likewise.
23538 (prepare_function_start): Clear field inlinable of current_function.
23539 (init_function_for_compilation): New function.
23540 (expand_dummy_function_end): New function.
23541 (expand_function_end): Call finish_expr_for_function.
23542 * function.h (struct emit_status): New; fields moved here from struct
23543 function and from global variables. Add accessor macros for some of
23545 (struct expr_status): Likewise.
23546 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
23547 (struct function): Add fields expr and emit, inlinable, inl_emit,
23548 original_arg_vector, original_decl_initial, inl_last_parm_insn,
23549 inl_max_label_num. Add many comments.
23550 Add accessor macros for all elts of struct function that no longer
23551 have a global variable.
23552 (cleanup_label, return_label, frame_offset, tail_recursion_label,
23553 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
23554 stack_slot_list): Delete declarations.
23555 (get_func_frame_size): Declare.
23556 (save_expr_status, restore_expr_status, save_emit_status,
23557 save_storage_status, restore_storage_status): Delete declarations.
23558 (init_virtual_regs): Declare.
23559 * output.h (current_function_pops_args,
23560 current_function_returns_struct, current_function_returns_pcc_struct,
23561 current_function_needs_context, current_function_calls_setjmp,
23562 current_function_calls_longjmp, current_function_calls_alloca,
23563 current_function_has_nonlocal_label, current_function_varargs,
23564 current_function_has_computed_jump, current_function_returns_pointer,
23565 current_function_contains_functions, current_function_args_size,
23566 current_function_pretend_args_size, current_function_stdarg,
23567 current_function_outgoing_args_size, current_function_args_info,
23568 current_function_name, current_function_return_rtx,
23569 current_function_epilogue_delay_list,
23570 current_function_uses_const_pool, current_function_cannot_inline):
23571 Delete declarations.
23572 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
23573 regno_reg_rtx): Delete declaration.
23574 (REGNO_POINTER_FLAG): Delete macro.
23575 * stmt.c (expand_goto): Changes to reflect that some fields in struct
23576 function were renamed.
23577 * stor-layout.c (save_storage_status, restore_storage_status): Delete
23579 * toplev.c: Include "function.h".
23580 (current_function_decl): Delete declaration.
23581 (compile_file): Call init_dummy_function_start and
23582 expand_dummy_function_end around some initializations that need to
23584 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
23585 Call init_function_for_compilation.
23586 * unroll.c: Include "function.h"
23587 (unroll_loop): Access regno_pointer_* variables through
23590 * tree.h (struct tree_decl): Add elt f to saved_insns member.
23591 (DECL_SAVED_INSNS): use it.
23592 (expand_dummy_function_end): Declare.
23593 (init_function_for_compilation): Declare.
23594 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
23595 that it's no longer an INLINE_HEADER.
23596 (expand_call): Likewise.
23597 * integrate.c (finish_inline): Delete function.
23598 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
23599 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
23600 args. Don't generate an INLINE_HEADER rtx, just return the arg
23601 vector. All callers changed.
23602 (save_for_inline_copying): Create a duplicate struct emit_status to
23603 hold the emit state for compiling the current function. Use this and
23604 the other new fields in struct function that are for integration
23605 instead of an INLINE_HEADER.
23606 Use memcpy instead of bcopy.
23607 Store the current struct function in DECL_SAVED_INSNS of fndecl.
23608 (save_for_inline_nocopy): Similar changes, except no new emit_status
23610 (expand_inline_function): Get information from function structure,
23611 not from an inline header rtx.
23612 (output_inline_function): Lose code to extract the necessary
23613 information from an inline header; simply put back the function
23614 structure into current_function. Clear its inlinable elt.
23615 * rtl.def (INLINE_HEADER): Delete.
23616 * rtl.h: Delete all accessors for an INLINE_HEADER.
23617 (gen_inline_header_rtx): Delete declaration.
23618 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
23619 Delete declarations.
23620 (REGNO_POINTER_ALIGN): Delete.
23621 (clear_emit_caches): Declare.
23622 (set_new_last_label_num): Declare.
23624 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
23626 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
23628 * except.c (expand_eh_region_start_for_decl): Always start a new block.
23629 * stmt.c (is_eh_region): Make sure current_function is present, too.
23631 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
23633 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
23634 for 64bit PA targets.
23636 * pa.h (SELECT_SECTION): Define.
23637 * som.h (SELECT_SECTION): Delete.
23639 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23641 * alias.c (init_alias_analysis): Wrap call to
23642 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
23644 1999-08-07 Bruce Korb <autogen@linuxbox.com>
23646 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
23647 <sys/asm.h> contains an asm comment with an apostrophe
23648 * fixinc/inclhack.sh: regen
23649 * fixinc/fixincl.x: regen
23651 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
23653 * function.c (init_function_start): Clear prologue & epilogue.
23654 (prologue_epilogue_contains): New function.
23655 * alias.c (init_alias_analysis): Use it.
23656 * rtl.h (prologue_epilogue_contains): Declare it.
23658 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
23660 * jump.c (onlyjump_p): New function.
23661 * rtl.h: Declare it.
23662 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
23663 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
23665 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
23667 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
23668 to invert loops. Simplify block scanning.
23670 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23672 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
23673 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
23675 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
23677 * config/sparc/liteelf.h: New file to support sparclite-elf target
23678 * config/sparc/t-sp86x: New file to support sparc86x targets
23679 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
23680 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
23681 * configure.in: Support above target triplets
23682 * configure: Regenerated
23684 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
23686 * fixinc/server.c (server_setup): Do not prefix function used as
23687 parameter with `&'.
23689 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
23691 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
23692 Remove fp reg alternatives.
23694 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
23696 * Makefiin (TAROUTOPTS): Kill.
23697 (install-headers-tar): Use "xpf" for tar headerfile extraction
23698 * i370/x-oe (TAROUTOPTS): Delete.
23699 * m68k/x-apollo68 (TAROUTOPTS): Delete.
23700 * m68k/x-hp320 (TAROUTOPTS): Delete.
23701 * m68k/x-hp320g (TAROUTOPTS): Delete.
23702 * gcc.texi: Update bug reporting text.
23704 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
23706 * reg-stack.c (change_stack) Fixed problem with negative array index.
23708 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
23710 * extend.texi, install.texi: Fix spelling mistakes.
23712 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
23713 (s-attrtab); No longer try to use pre-made insn-attrtab file.
23714 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
23715 PREMADE_ATTRTAB_MD.
23716 * mips/t-ecoff: Likewise.
23717 * mips/t-elf: Likewise.
23718 * mips/t-mips: Likewise.
23719 * mips/t-osfrose: Likewise.
23720 * mips/t-r3900: Likewise.
23721 * mips/t-svr3: Likewise.
23722 * mips/t-svr4: Likewise.
23723 * mips/t-ultrix: Likewise.
23725 * gcc.texi: Document recommend means to provide software floating
23726 point libraries in libgcc.a
23728 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
23730 * c-lex.c (yylex): We can have a number with no digits.
23732 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
23734 * jump.c (delete_prior_computation): New function, broken
23735 out of delete_computation. Check for side effects with
23736 side_effects_p instead of FIND_REG_INC_NOTE. Handle
23737 multi-word hard registers.
23738 (delete_computation): Use it. Check for side effects with
23739 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
23740 missing REG_DEAD note for a register which is both set and
23743 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
23745 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
23746 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
23747 (ASM_FILE_START): Import _mcount with the right type.
23748 (ASM_DECLARE_FUNCTION_NAME): Define.
23749 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
23750 * pa.c (output_function_prologue): Always emit the function's label
23752 * pa.h (TEXT_SPACE_P): Define.
23753 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23754 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
23755 * som.h (TEXT_SPACE_P): Delete.
23756 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23757 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
23759 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
23761 * expr.c (emit_group_load): Allow src to be a CONCAT.
23763 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23765 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
23766 (___mulsi3): Use '!' comment character.
23768 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23770 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
23772 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
23774 * gcc.c: Update URLs and mail addresses.
23775 * gcc.texi: Likewise.
23777 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
23779 * rs6000.c (current_file_function_operand): Return zero for
23781 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
23783 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
23786 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
23788 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
23789 allocate space in the stack frame for the PIC register.
23791 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
23793 * m68k.md (xordi3, anddi3): These patterns are not available on
23796 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
23798 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
23799 (PUT_REAL): Likewise.
23801 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23803 * final.c (shorten_branches): Don't add an alignment for loops
23804 that have no label inside.
23806 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23808 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
23809 prototypes in macro HAVE_cmpstrsi.
23811 * cpplib.c (cpp_get_token): Remove unused label `op3'.
23813 * emit-rtl.c (operand_subword): Remove unused variable
23816 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
23818 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
23820 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
23822 * cpphash.c (macroexpand): Delete leading whitespace when arg
23823 is concatenated before.
23824 (unsafe_chars): Correct test for whether + and - can extend a
23827 * cppinit.c (cpp_start_read): Do dependencies for
23828 -include/-imacros files also.
23830 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
23831 tokenizing non-directive lines.
23832 (cpp_expand_to_buffer): Temporarily disable no-output mode.
23833 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
23836 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23838 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
23840 * c-lex.c: Sync with C++ frontend.
23841 (linemode): New variable.
23842 (parse_float): imag, conversion_errno, and type are output only.
23843 (yylex): Adjust. Move initial '.' case into main switch.
23845 (handle_generic_pragma): Just deal with tokens.
23846 (readescape): Use ISXDIGIT and ISGRAPH.
23847 * c-parse.in: Add END_OF_LINE token.
23849 * c-lex.c (lang_init): Generalize.
23850 (nextchar): Remove. Replace uses with UNGETC.
23851 (skip_white_space): Handle linemode here. Optimize for cpplib.
23852 (skip_white_space_on_line): Remove.
23853 (extend_token_buffer_to): New fn.
23854 (extend_token_buffer): Use it.
23855 (read_line_number, check_newline): Just deal with tokens.
23856 (token_getch, token_put_back): New fns.
23857 (yylex): Use them. More cpplib optimizations. Simplify.
23859 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
23860 Jason Merrill <jason@yorick.cygnus.com>
23862 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
23863 (consume_string): Make this smart about USE_CPPLIB.
23864 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
23865 (yylex): Rewrite to be intelligent about USE_CPPLIB.
23866 Also, clean up cases where we redundantly set token_buffer[0].
23867 (read_line_number): New fn.
23868 (ignore_escape_flag): New variable.
23870 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
23872 * a29k/t-a29kbare: Fix some comments.
23873 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
23874 (FPBIT, DPBIT): Define.
23875 * a29k/t-vx29k: Likewise.
23876 * arc/t-arc: Likewise.
23877 * arm/t-arm-elf: Likewise.
23878 * arm/t-bare: Likewise.
23879 * arm/t-pe: Likewise.
23880 * arm/t-pe-thumb: Likewise.
23881 * arm/t-semi: Likewise.
23882 * arm/t-thumb: Likewise.
23883 * arm/t-thumb-elf: Likewise.
23884 * arm/t-thumb-linux: Likewise.
23885 * h8300/t-h8300: Likewise.
23886 * i960/t-i960: Likewise.
23887 * i960/t-vxworks960: Likewise.
23888 * m32r/t-m32r: Likewise.
23889 * mips/t-ecoff: Likewise.
23890 * mips/t-elf: Likewise.
23891 * mips/t-r3900: Likewise.
23892 * pa/t-pro: Likewise.
23893 * rs6000/t-aix43: Likewise.
23894 * rs6000/t-beos: Likewise.
23895 * rs6000/t-newas: Likewise.
23896 * rs6000/t-ppccomm: Likewise.
23897 * rs6000/t-rs6000: Likewise.
23898 * rs6000/t-winnt: Likewise.
23899 * rs6000/t-xnewas: Likewise.
23900 * rs6000/t-xrs6000: Likewise.
23901 * sh/t-sh: Likewise.
23902 * sparc/t-elf: Likewise.
23903 * sparc/t-sparcbare: Likewise.
23904 * sparc/t-sparclite: Likewise.
23905 * sparc/t-splet: Likewise.
23906 * v850/t-v850: Likewise.
23907 * mn10200/t-mn10200: Fix comments.
23908 * mn10300/t-mn10300: Likewise.
23910 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
23911 dummy operand. Allocate a new pseudo for the dummy operand.
23912 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
23914 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
23916 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
23918 * configure: Rebuilt.
23919 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
23921 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
23923 * recog.c (preproces_constraints): Zero recog_op_alt before
23924 processing the constraints.
23926 * arm.c (typedef minipool_node): Renamed from pool_node.
23927 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
23928 (add_minipool_constant): New function.
23929 (dump_minipool): New function.
23930 (find_barrier): Remove special case for getting the insn size of
23931 an insn that references the constant pool.
23932 (minipool_fixup): New structure.
23933 (push_minipool_barrier): New function.
23934 (push_minipool_fix): New function.
23935 (note_invalid_constants): New function.
23936 (add_pool_constant, dump_table, fixit, broken_move): Delete.
23937 (arm_reorg): Rewrite code to fix up the constant pool into a
23938 series of mini-pools embedded in the insn stream.
23939 (arm_output_epilogue): New function, made mainly from the body
23940 of output_func_epilogue.
23941 (output_func_epilogue): Move insn generation part of epilogue code
23942 to arm_output_epilogue.
23943 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
23944 * arm.md (pool_range): New attribute.
23945 (zero_extendqidi2): Add attribute pool_range.
23946 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
23947 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
23948 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
23949 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
23950 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
23951 (epilogue): New expand.
23952 (epilogue_insn): New insn. Call arm_output_epilogue.
23954 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
23955 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
23957 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23959 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
23961 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
23963 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
23965 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
23967 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
23969 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
23971 * global.c: Fix comment.
23973 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
23975 * gcc.c (access_check): New static function.
23976 (find_a_file): Use it when searching a directory list.
23977 * collect2.c (find_a_file): Don't accept directories found when
23978 searching a directory list.
23980 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
23982 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
23983 function parameters with `&'.
23984 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
23986 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
23988 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
23989 or tidy_fallthru_edge if the last insn in the block is not
23990 an unconditional jump or a simple conditional jump.
23992 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23994 * Makefile.in (c-decl.o): Depends on defaults.h.
23996 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
23998 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
24000 (CLASS_MAX_NREGS): Likewise.
24002 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
24004 * cse.c (cse_insn): Fix dumb thinko in last change.
24006 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24008 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
24011 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
24013 * dwarf2out.c (add_location_or_const_value_attribute): Correct
24014 test for sizes of passed and declared parameter types.
24016 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24018 * fixincludes: Fix the return type of bsearch, char* -> void*.
24020 * fixinc/inclhack.def: Likewise.
24022 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
24024 * invoke.texi (-fdump-translation-unit): New option.
24026 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
24028 * expr.h (PROMOTE_PROTOTYPES): Move ...
24029 * defaults.h: ... to here.
24030 * c-decl.c: Include defaults.h instead of expr.h.
24031 * c-typeck.c: Include defaults.h.
24033 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
24035 * toplev.h (errorcount): Declare.
24036 (warningcount): Likewise.
24037 (sorrycount): Likewise.
24038 * c-lex.c (errorcount): Don't declare.
24039 * dwarf2out.c (errorcount): Don't declare.
24041 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
24043 * config/libgloss.h: Add a note discouraging use with ELF.
24044 * configure.in: Don't use libgloss.h for ELF targets.
24045 Always use_collect2 on a.out targets.
24047 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
24049 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
24050 (force_to_mode, case ASHIFTRT): Add shiftrt label.
24052 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24054 * loop.c (strength_reduce): When doing biv->giv conversion, update
24055 reg note of NEXT->insn.
24057 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24059 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
24061 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24063 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
24064 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
24065 Ensure expr.h is included.
24066 * c-typecheck.c (convert_arguments): Ditto.
24068 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
24070 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
24071 * config/convex/convex.h: Ditto.
24072 * config/dsp16xx/dsp16xx.h: Ditto.
24073 * config/fx80/fx80.h: Ditto.
24074 * config/gmicro/gmicro.h: Ditto.
24075 * config/i370/i370.h: Ditto.
24076 * config/i386/i386.h: Ditto.
24077 * config/m32r/m32r.h: Ditto.
24078 * config/m68k/m68k.h: Ditto.
24079 * config/m88k/m88k.h: Ditto.
24080 * config/mips/mips.h: Ditto.
24081 * config/pa/pa.h: Ditto.
24082 * config/pyr/pyr.h: Ditto.
24083 * config/tahoe/tahoe.h: Ditto.
24084 * config/we32k/we32k.h: Ditto.
24086 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
24087 based on arch size.
24089 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
24091 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
24094 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
24096 1999-08-02 Richard Henderson <rth@cygnus.com>
24098 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
24099 for the register spill block.
24100 (m32r_va_arg): New.
24101 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
24102 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
24104 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
24105 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
24106 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
24108 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24110 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
24111 MAX_WCHAR_TYPE defined in sparc.h.
24112 * config/sparc/linuxaout.h: Likewise.
24113 * config/sparc/linux64.h: Likewise.
24114 Also default to -mvis if CPU is UltraSPARC.
24116 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24118 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
24119 (RTX_OK_FOR_OLO10): Likewise.
24120 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
24121 %lo(), allow it in addresses...
24122 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
24123 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
24124 does not make sense.
24125 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
24126 (sparc_output_scratch_registers): New function.
24127 (output_function_prologue, sparc_flat_output_function_prologue): Use
24129 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
24131 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
24132 * configure.in: Add check for .register pseudo-op support in as and
24133 check for offsetable %lo().
24134 * acconfig.h: Add templates for the above checks.
24135 * configure: Regenerate.
24137 1999-08-02 Richard Henderson <rth@cygnus.com>
24139 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
24140 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
24141 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
24143 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24145 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
24148 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24150 * config/float-sparc.h: New file.
24151 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
24152 sparc-*-linux-gnu and sparc64-*-linux*.
24154 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24156 * rs6000.c (rs6000_va_list): Type is an array.
24157 (rs6000_va_start): Don't doubly adjust for varargs.
24158 (rs6000_va_arg): Evaluate long long GPR adjustment.
24160 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
24162 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
24163 -maix64 and -maix32.
24164 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
24165 LINK_SPEC): Change appropriately.
24166 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
24167 (u_short_cint_operand): Likewise.
24168 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
24170 * rs6000/t-aix43 (MULTILIB): Change to -m64.
24172 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
24174 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
24176 * rs6000/rs6000.c (num_insns_constant_wide): Correct
24177 for type promotion.
24178 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
24179 (non_add_cint_operand): Likewise.
24180 (logical_operand): Likewise.
24181 (non_logical_cint_operand): Likewise.
24182 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
24183 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
24184 (rs6000_select_rtx_section): Suppress warning.
24185 (small_data_operand): Suppress warning.
24186 (rs6000_got_register): Suppress warning.
24187 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
24188 type, so `J' is generally the wrong constraint for a SImode value;
24190 (andsi3_internal2): Likewise.
24191 (andsi3_internal3): Likewise.
24192 (iorsi3_internal1): Likewise.
24193 (xorsi3_internal1): Likewise.
24195 (movsf_softfloat): Likewise.
24196 (scc insns): Likewise.
24197 (movsi+2): Preserve sign bits of SImode constant.
24198 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
24199 (movdf+1): Sign-extend properly.
24200 (movdi_32+1): Sign-extend properly.
24201 (scc insns): Sign-extend properly.
24203 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
24206 1999-08-02 Richard Henderson <rth@cygnus.com>
24208 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
24209 -mcpu parsing code.
24210 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
24211 * alpha.md (all fp insns): Likewise.
24213 1999-08-02 Nick Clifton <nickc@cygnus.com>
24215 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
24218 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
24220 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
24221 pic_load_label generator directly.
24222 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
24223 No longer a named pattern.
24225 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
24227 * explow.c (force_reg): Call force_operand if X does not
24228 satisfy general_operand.
24230 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
24232 * fix-header.c (main): When testing for CONTINUED, use string
24233 equality, not pointer equality.
24235 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
24237 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
24239 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
24241 * cse.c (cse_insn): Fix loop which deletes insns after a jump
24242 that has become an unconditional jump.
24244 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
24245 (output_function_epilogue): Similarly.
24247 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24249 * tree.h (init_dummy_function_start): Declare.
24251 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24253 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
24254 last_expr_type, last_expr_value, block_start_count, block_stack,
24255 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
24256 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
24257 dynamically in stmt elt of struct function for each function.
24258 (struct nesting): Rename function_call_count elt to n_function_calls,
24259 target_temp_slot_level to block_target_temp_slot_level. All users
24261 (struct stmt_status): New structure definition.
24262 Add many accessor macros for stmt_status elements which previously
24263 were global variables.
24264 (init_stmt_for_function): Allocate stmt elt for current_function.
24265 Reflect that block_start_count was renamed to
24266 current_block_start_count.
24267 (save_stmt_status, restore_stmt_status): Delete functions.
24268 (preserve_subexpressions_p): Don't access loop_stack when outside
24270 (expand_start_bindings): Reflect that block_start_count was renamed to
24271 current_block_start_count.
24272 (expand_fixup): Likewise.
24273 (expand_decl): Don't access block_stack when outside a function.
24274 (expand_decl_cleanup): Likewise.
24275 (expand_dcc_cleanup): Likewise.
24276 (expand_dhc_cleanup): Likewise.
24277 (expand_anon_union_decl): Likewise.
24278 (set_file_and_line_for_stmt): New function.
24279 (in_control_zone_p): New function.
24281 * function.h (struct function): Add new elt stmt.
24282 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
24283 case_stack, nesting_stack, nesting_depth, block_start_count,
24284 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
24285 emit_lineno, goto_fixup_chain.
24286 (save_eh_status, restore_eh_status, save_stmt_status,
24287 restore_stmt_status): Delete declarations.
24288 * function.c (push_function_context_to): Don't call save_stmt_status.
24289 (pop_function_context_to): Don't call restore_stmt_status.
24290 * tree.h (in_control_zone_p): Declare.
24291 * rtl.h (set_file_and_line_for_stmt): Declare.
24293 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
24294 call set_file_and_line_for_stmt.
24296 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
24298 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
24299 Also update copyright.
24301 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24303 * c-pragma.c: Don't include "except.h".
24304 * emit-rtl.c: Likewise.
24305 * stor-layout.c: Likewise.
24306 * tree.c: Likewise.
24307 * varasm.c: Likewise.
24309 * flow.c: Include "function.h".
24310 * tree.h (init_dummy_function_start): Declare new function.
24312 * except.h (struct eh_status): New structure.
24313 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
24315 (eh_return_stub_label, ehstack, catchstack, ehqueue,
24316 catch_clauses, false_label_stack, caught_return_label_stack,
24317 protect_list, current_function_ehc): Add accessor macros for the
24318 corresponding fields in current_function->eh; delete declarations
24319 for all items that used to be declared here.
24320 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
24321 catch_clauses, false_label_stack, caught_return_label_stack,
24322 protect_list, current_function_ehc): Delete variables.
24323 (init_eh_for_function): Allocate current_function->eh.
24324 (save_eh_status, restore_eh_status): Delete functions.
24326 * function.h (struct function): Add fields next_global and eh.
24327 Delete all exception handling related fields.
24328 * function.c (current_function): New variable.
24329 (all_functions): New variable.
24330 (push_function_context_to): Don't allocate a struct function,
24331 use current_function instead. Call init_dummy_function_start when
24332 outside a function. Clear current_function before returning.
24333 (pop_function_context_from): Restore current_function.
24334 Don't free the restored struct function.
24335 (prepare_function_start): New function.
24336 (init_dummy_function_start): New function.
24337 (init_function_start): Break out some code into prepare_function_start
24340 * stmt.c (save_stmt_status): Don't call save_eh_status.
24341 (restore_stmt_status): Don't call restore_eh_status.
24343 * Makefile.in: Update dependencies.
24345 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
24347 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
24348 of depending on a magic constant value. Update comments.
24349 (hppa_expand_prologue): Similarly.
24351 * pa.md (reload_indi, reload_outdi): Allow any register for the
24352 original reload register.
24354 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
24356 * cccp.c (print_help): Change marcos to macros.
24358 1999-07-30 Richard Henderson <rth@cygnus.com>
24360 * c-typeck.c (initializer_constant_valid_p): Move ...
24361 * c-common.c (initializer_constant_valid_p): ... here. Use
24362 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
24363 of label addresses.
24364 * c-common.h (initializer_constant_valid_p): Declare.
24365 * c-tree.h (initializer_constant_valid_p): Remove.
24367 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
24369 * config/i386/sol2-c1.asm: Align the stack.
24370 * config/i386/sol2-gc1.asm: Likewise.
24372 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
24374 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
24375 -Asparclite for sparc86x.
24376 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
24378 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
24380 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
24382 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
24383 the user if using the non-default arch size in BI_ARCH configuration.
24384 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
24386 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
24387 Fix patterns so that they actually match.
24388 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
24389 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
24390 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
24392 (mulsidi3): Reflect this in the expand.
24393 (smulsi3_highpart): Only on TARGET_ARCH32.
24394 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
24395 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
24396 (umulsidi3): Reflect this in the expand.
24397 (umulsi3_highpart): Only on TARGET_ARCH32.
24398 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
24399 don't require g0 to be zero.
24400 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
24401 ({,u}divsi3): New expands.
24402 ({,u}divsi3_sp64): New patterns.
24403 (after lshrdi3_v8plus): Four new patterns to help combiner
24404 optimizing nested mixed mode shifts.
24406 * config/sparc/sparc.c (sparc_override_options): Use deprecated
24407 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
24408 speed things up. Don't use them by default on plain v9 in 64bit
24409 mode, according to what SPAMv9 sais.
24411 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
24412 top 32 bits of %[og][0-7] in signal handlers.
24413 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
24415 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
24417 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
24418 (ashlsi3): Corresponding changes.
24420 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
24422 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
24424 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
24426 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24428 * arm.h (Hint): Delete macro.
24429 Substitute HOST_WIDE_INT for Hint in some prototypes.
24430 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
24432 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
24434 * builtins.c (expand_builtin_setjmp): Use force_operand to
24435 make sure that the buffer address is in a suitable form to be
24436 passed to force_reg.
24438 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
24440 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
24443 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
24445 * pa.md (indirect_jump): Remove mode from match_operand. Verify
24446 proper mode in the condition string.
24447 (icacheflush, dcacheflush): Remove modes from match_operands.
24449 * pa.c (emit_move_sequence): Always convert scratch_reg to the
24450 proper mode before using it.
24452 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
24455 * pa.c (store_reg): Do not call add_high_const generator directly.
24456 (load_reg, set_reg_plus_d): Likewise.
24457 * pa.md (add_high_const): No longer a named pattern.
24459 * pa.c (legitimize_address): Consistently use Pmode rather than
24460 SImode. Do not call gen_pic2_highpart directly anymore.
24461 * pa.md (pic2_highpart): No longer a named pattern.
24462 (pic2_lo_sum): Similarly. Reformat to make more readable.
24464 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
24469 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24471 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
24473 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
24475 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
24476 and tag the spill mems.
24477 (hppa_va_start): New.
24478 (hppa_va_arg): New.
24479 * pa.h (EXPAND_BUILTIN_VA_START): New.
24480 (EXPAND_BUILTIN_VA_ARG): New.
24482 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
24484 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
24485 and tag the spill mems.
24486 (mn10300_va_start): New.
24487 (mn10300_va_arg): New.
24488 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
24489 (EXPAND_BUILTIN_VA_ARG): New.
24491 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
24493 * mn10200.c (mn10200_va_arg): New.
24494 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
24496 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
24498 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
24499 rather than play with TREE_INT_CST_LOW.
24501 1999-07-27 Philip Blundell <pb@nexus.co.uk>
24503 * config/arm/telf.h: Include dbxelf.h.
24504 (CPP_PREDEFINES): Only define if not already defined.
24505 (ASM_IDENTIFY_GCC): Likewise.
24506 (SUBTARGET_EXTRA_SECTIONS): Likewise.
24507 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
24508 * config/arm/thumb.h (LINK_SPEC): Only define if not already
24510 (DBX_DEBUGGING_INFO): Don't define.
24511 * config/arm/linux-telf.h: New file.
24512 * config/arm/linux-tgas.h: New file.
24513 * config/arm/t-thumb-linux: New file.
24514 * config/arm/uclinux-elf.h: New file.
24515 * config/arm/uclinux-telf.h: New file.
24516 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
24517 thumb-*-uclinux): New targets.
24518 * configure: Regenerate.
24520 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
24522 * pa.md (post_store, pre_load): New expanders.
24523 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
24524 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
24525 need to directly generate RTL for them.
24526 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
24529 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
24531 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
24532 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
24533 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
24534 (secndary_reload_class): Make TARGET_ELF conditional compile.
24535 (print_operand_address): Similar.
24536 (output_toc): Print all values as hex.
24537 (get_issue_rate): Rearrange and add RS64A and PPC630.
24538 * rs6000.h (processor_type): Add RS64A and PPC630.
24539 (PROCESSOR_POWERPC64): New.
24540 (PROMOTE_MODE): Use word_mode.
24541 (RTX_COSTS): Add RS64A and PPC630.
24542 * rs6000.md (scheduling information): Add lmul and ldiv
24543 representing 64-bit integer multiply and divide. Add rs64a and
24544 PPC630 information.
24545 (ashldi3): Add support for "rldic" instruction.
24546 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
24548 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
24550 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
24551 instead of V8 for sparclite86x in cpu_table.
24553 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24555 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
24556 output_file_directive.
24558 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
24560 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
24561 tree for op1, not the rtl.
24563 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
24565 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
24566 to m88k_va_start, leaving only the register spill.
24567 (m88k_build_va_list): New.
24568 (m88k_va_start): New.
24569 (m88k_va_arg): New.
24570 * m88k.h (BUILD_VA_LIST_TYPE): New.
24571 (EXPAND_BUILTIN_VA_START): New.
24572 (EXPAND_BUILTIN_VA_ARG): New.
24574 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
24576 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
24577 Rename from expand_builtin_saveregs.
24578 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
24580 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
24582 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
24583 for the register spill block.
24584 (i960_build_va_list): New.
24585 (i960_va_start): New.
24586 (i960_va_arg): New.
24587 * i960.h (BUILD_VA_LIST_TYPE): New.
24588 (EXPAND_BUILTIN_VA_START): New.
24589 (EXPAND_BUILTIN_VA_ARG): New.
24590 * i960.md (store_multiple): Use change_address on individul mems.
24592 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
24594 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
24596 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
24597 (expand_builtin_va_end): Evaluate arg for side effects.
24598 * c-common.c (c_common_nodes_and_builtins): Construct a
24599 va_list_arg_type_node to handle array decomposition to pointer.
24601 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
24603 * except.c (st_dynamic_cleanup): Use force_operand on the
24606 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
24608 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
24609 * c4x.c (c4x_va_arg): New.
24611 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
24613 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
24614 has manual_pop set.
24616 1999-07-26 Nathan Sidwell <nathan@acm.org>
24618 * eh-common.h (__eh_matcher): Prototype correctly.
24620 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
24622 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
24623 (TARGET_SINGLE_PIC_BASE): Likewise.
24624 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
24626 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
24627 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
24628 (TARGET_OPTIONS): Add -mpic-register=N.
24629 (OUTPUT_INT_ADDR_CONST): New macro.
24630 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
24631 LEGITIMATE_PIC_OPERAND_P): Likewise.
24632 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
24633 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
24634 output_addr_const directly.
24635 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
24637 (thumb_pic_register, thumb_pic_register_string): Declare.
24639 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
24641 (label_mentioned_p): New function: Imported from arm.c.
24642 (legitimize_pic_address): New function: Imported from arm.c.
24643 (is_pic):New function: Imported from arm.c.
24644 (thumb_finalize_pic):New function: Imported from arm.c.
24645 (add_constant): Cope with PIC constants.
24646 (fixit): Cope with PIC constants.
24647 (output_return): Do not treat the PIC register as live if
24648 TARGET_SINGLE_PIC_BASE is true.
24649 (thumb_function_prologue): Do not treat the PIC register as live if
24650 TARGET_SINGLE_PIC_BASE is true.
24651 (thumb_expand_prologue): Do not treat the PIC register as live if
24652 TARGET_SINGLE_PIC_BASE is true.
24653 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
24654 TARGET_SINGLE_PIC_BASE is true.
24655 (thumb_print_operand): Accept '|'.
24656 (thumb_override_options): Process PIC options.
24658 * config/arm/thumb.md (movsi): Support PIC.
24659 (call_insn): Change "i" constraint to "X".
24660 (call_value_insn): Likewise.
24661 (consttable_4, consttable_8, consttable_end): Set and clear
24662 "making_const_table" as appropriate.
24663 (pic_load_addr, pic_add_dot_plus_four): New insns.
24665 * invoke.texi (Thumb Options): Fix spelling. Document new
24666 options -msingle-pic-base and -mpic-register=.
24668 1999-07-26 Andrew Haley <aph@cygnus.com>
24670 * config/m32r/initfini.c (__init): Use a full word immediate for
24671 __fini: this allows it to be placed in any memory region.
24673 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
24674 -mmodel=medium. This is OK for all memory models.
24676 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
24678 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
24679 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
24681 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
24683 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
24686 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
24688 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
24690 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
24691 (BUILD_VA_LIST_TYPE): New.
24692 (EXPAND_BUILTIN_VA_START): New.
24693 (EXPAND_BUILTIN_VA_ARG): New.
24694 * i860.c (output_delayed_branch): Disable.
24695 (output_delay_insn): Likewise.
24696 (i860_saveregs): New.
24697 (i860_build_va_list): New.
24698 (i860_va_start): New.
24699 (i860_va_arg): New.
24700 * i860.md: Disable all peepholes using output_delayed_branch.
24701 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
24703 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
24705 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
24706 (BUILD_VA_LIST_TYPE): New.
24707 (EXPAND_BUILTIN_VA_START): New.
24708 (EXPAND_BUILTIN_VA_ARG): New.
24709 * clipper.c (clipper_builtin_saveregs): Only dump registers.
24710 Return the address of the save area.
24711 (clipper_build_va_list): New.
24712 (clipper_va_start): New.
24713 (clipper_va_arg): New.
24715 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
24717 * arc.h (EXPAND_BUILTIN_VA_START): New.
24718 (EXPAND_BUILTIN_VA_ARG): New.
24719 * arc.c (arc_setup_incoming_varargs): Set alias set of
24721 (arc_va_start): New.
24724 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
24726 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
24727 (BUILD_VA_LIST_TYPE): New.
24728 (EXPAND_BUILTIN_VA_START): New.
24729 (EXPAND_BUILTIN_VA_ARG): New.
24730 * alpha.c (alpha_builtin_saveregs): Delete.
24731 (alpha_build_va_list): New.
24732 (alpha_va_start): New.
24733 (alpha_va_arg): New.
24735 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
24737 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
24739 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
24740 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
24742 * gcc.texi: More changes related to list conversion.
24743 * invoke.texi: Likewise.
24745 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
24747 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
24748 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
24749 (expand_builtin_next_arg): Accept ARGLIST not EXP.
24750 (stabilize_va_list): New function.
24751 (std_expand_builtin_va_start): New function.
24752 (expand_builtin_va_start): New function.
24753 (get_varargs_alias_set): New function.
24754 (std_expand_builtin_va_arg): New function.
24755 (expand_builtin_va_arg): New function.
24756 (expand_builtin_va_end): New function.
24757 (expand_builtin_va_copy): New function.
24758 (expand_builtin): Call them.
24759 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
24760 __builtin_{varargs_start,stdarg_start,end,copy}.
24761 (build_va_arg): New function.
24762 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
24763 (build_va_arg): Declare.
24764 * c-decl.c (ptr_type_node, va_list_type_node): New.
24765 * c-parse.gperf (__builtin_va_arg): New.
24766 * c-parse.in (VA_ARG): New token.
24767 (unary_expr): Recognize it.
24768 * expr.c (expand_expr): Expand VA_ARG_EXPR.
24769 * expr.h (std_expand_builtin_va_start): Declare.
24770 (std_expand_builtin_va_arg): Declare.
24771 (expand_builtin_va_arg): Declare.
24772 (get_varargs_alias_set): Declare.
24773 * tree.def (VA_ARG_EXPR): New.
24774 * tree.h (BUILT_IN_VARARGS_START): New.
24775 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
24776 (ptr_type_node, va_list_type_node): Declare.
24777 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
24778 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
24779 * m88k.h, m88k.c: Likewise.
24780 * mn10300.h, mn10300.c: Likewise.
24781 * pa.h, pa.c: Likewise.
24782 * rs6000.h, rs6000.c: Likewise.
24783 * sh.h, sh.c: Likewise.
24784 * sparc.h, sparc.c: Likewise.
24786 * emit-rtl.c (operand_subword): Copy alias set.
24787 (change_address): Likewise.
24789 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
24791 * pa.c (compute_frame_size): Scan all the used callee saved registers,
24792 not just the first one.
24794 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
24796 * config/arm/arm.h (TARGET_SWITCHES): Add
24797 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
24798 (TARGET_OPTIONS): Add -mpic-register=.
24799 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
24800 (arm_pic_register_string): Declare.
24801 (NEED_PLT_GOT): Delete, replace with ...
24802 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
24803 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
24804 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
24805 * config/arm/arm.c (arm_override_options): Add new option
24807 (arm_pic_register_string): New variable.
24808 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
24809 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
24810 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
24811 (output_return_instruction): Likewise.
24812 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
24813 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
24814 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
24816 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
24817 mention of -msched-prolog. Document new options -msingle-pic-base
24818 and -mpic-register=.
24820 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
24822 * haifa-sched.c (reemit_notes): Tidy.
24823 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
24826 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
24828 * explow.c (trunc_int_for_mode): New function.
24829 (plus_constant_wide): Use it.
24830 * combine.c (simplify_and_const_int): Likewise.
24831 (merge_outer_ops): Likewise.
24832 (simplify_shift_const): Likewise.
24833 * cse.c (simplify_unary_operation): Likewise.
24834 (simplify_binary_operation): Likewise.
24835 * emit-rtl.c (operand_subword): Likewise.
24836 * rtl.h: Declare it.
24838 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24840 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
24841 (use NUM_REGS instead of NUM_INTS).
24843 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24845 * builtins.c: New file.
24846 * expr.c (saveregs_value, apply_args_value): Delete definition,
24847 moved into builtins.c.
24848 (string_constant): No longer static.
24849 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
24850 apply_args_size, apply_result_size, result_vector,
24851 expand_builtin_apply_args, expand_builtin_apply,
24852 expand_builtin_return): Delete functions, moved into builtins.c.
24853 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
24854 * expr.h (saveregs_value, apply_args_value): Declare variables.
24855 (expand_builtin, string_constant): Declare functions.
24856 * Makefile.in: Update to build builtin.o.
24858 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
24860 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
24861 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
24862 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
24863 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
24865 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
24868 1999-07-21 Michael Meissner <meissner@cygnus.com>
24870 * print-rtl.c (print_rtx): Print the names of the virtual
24873 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
24875 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
24876 introduced in previous delta.
24878 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24880 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
24881 to avoid name clash.
24883 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
24885 * c-lex.c (yylex) : Correct the test for overflow when lexing
24888 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
24890 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
24891 (adjust_priority): Always call ADJUST_PRIORITY.
24892 (schedule_insn): Only put insns into the ready at cost 0.
24893 (schedule_block): Remove redundant initial sort. Give clock_var
24894 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
24896 * tm.texi (MD_SCHED_REORDER): Update docs.
24898 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
24899 * sparc.c (ultra_reorder_called_this_block): Delete.
24900 (ultrasparc_sched_init): Don't set it.
24901 (ultrasparc_sched_reorder): Don't check it.
24903 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
24905 * rs6000.h (struct rs6000_args): Add sysv_gregno.
24906 * rs6000.c (init_cumulative_args): Init sysv_gregno.
24907 (function_arg_boundary): Align DFmode.
24908 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
24909 to get fp reg and stack overflow correct.
24910 (function_arg): Likewise.
24911 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
24912 (setup_incoming_varargs): Restructure for ABI_V4; use
24913 function_arg_advance to skip final named argument.
24914 (expand_builtin_saveregs): Properly unskip the last integer arg
24915 when doing varargs. Adjust overflow location calculation.
24917 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
24918 explicitly unsigned.
24919 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
24920 (__VA_GP_REGSAVE): Similarly.
24921 (__va_longlong_p): Delete.
24922 (__va_arg_type_violation): New declaration.
24923 (va_arg): Restructure. Flag promotion errors. Align double.
24924 TFmode passed by reference.
24926 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
24927 in the HOST_BITS_PER_WIDE_INT > 32 case.
24929 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
24931 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
24933 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
24935 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
24936 * toplev.c (documented_lang_options): Add -fpreprocessed.
24937 * cpplib.h (struct cpp_buffer): Add preprocessed.
24938 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
24939 (cpp_start_read): Don't expand macros or emit an initial #line
24940 directive if -fpreprocessed.
24942 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24944 * cpplib.h (struct cpp_buffer): Added manual_pop for
24945 better C++ tokenization.
24946 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
24947 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
24948 * c-common.c (cpp_token): Make non-static.
24950 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24952 * c-common.h: New file.
24953 * c-common.c (permanent_obstack): Delete unused declaration.
24954 (c_global_trees): New array.
24955 (c_common_nodes_and_builtins): New function; split off common code
24956 from init_decl_processing in both c-decl.c and cp/decl.c.
24957 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
24958 c_global_trees and accessor macros defined in c-common.h.
24959 Include c-common.h.
24960 * c-decl.c: Delete definitions for tree nodes that were replaced by
24962 (init_decl_processing): Build void_list_node.
24963 Call c_common_nodes_and_builtins; delete code to generate the common
24965 * objc/objc-act.c (build_module_descriptor): Rename variable
24966 void_list_node to avoid clash with c-common.h.
24968 * Makefile.in: Update dependencies.
24969 * objc/Make-lang.in: Likewise.
24971 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
24973 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
24974 (UNIQUE_SECTION_P): Likewise.
24975 (UNIQUE_SECTION): Likewise.
24977 1999-07-19 Linas Vepstas <linas@linas.org>
24979 * config/i370/README: New file.
24980 * config/i370/linux.h: New file.
24981 * config/i370/mvs.h: New file.
24982 * config/i370/oe.h: New file.
24983 * config/i370/t-linux: New file.
24984 * config/i370/t-mvs: New file.
24985 * config/i370/t-oe: New file.
24986 * config/i370/x-oe: New file.
24987 * config/i370/xm-linux.h: New file.
24988 * config/i370/xm-mvs.h: New file.
24989 * config/i370/xm-oe.h: New file.
24991 * i370.c (label_node_t): Add first_ref_page, label_addr,
24992 label_first_ref, label_last_ref members.
24993 (mvs_need_base_reload): Renamed from mvs_label_emitted.
24994 (MAX_MVS_LABEL_SIZE): Define.
24995 (MAX_LONG_LABEL_SIZE): Define.
24996 (alias_node_t, alias_anchor, alias_number): New.
24997 (mvs_function_table): Reorder for EBCDIC.
24998 (ascebc, ebcasc): Unconditionally define.
24999 (i370_branch_dest, i370_branch_length): New functions.
25000 (i370_short_branch, i370_label_scan): New functions.
25001 (mvs_get_label): Renamed from mvs_add_label. Search for
25002 an existing label before creating a new one.
25003 (mvs_add_label): New function.
25004 (mvs_get_label_page): New function.
25005 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
25006 over the entire list.
25007 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
25008 (mvs_check_page) [TARGET_ELF_ABI]: New function.
25009 (mvs_add_alias, mvs_need_alias): New functions.
25010 (mvs_get_alias, mvs_check_alias): New functions.
25011 (handle_pragma): New function.
25012 (mvs_function_check): New function.
25013 (unsigned_jump_follows_p): Search harder.
25014 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
25015 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
25016 * i370.h (TARGET_VERSION): Delete.
25017 (CPP_SPEC, CPP_PREDEFINES): Delete.
25018 (mvs_label_emitted): Delete.
25019 (TARGET_EBCDIC): Delete.
25020 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
25021 (HANDLE_PRAGMA): Define.
25022 (HARD_REGNO_NREGS): Handle complex modes.
25023 (HARD_REGNO_MODE_OK): Likewise.
25024 (CLASS_MAX_NREGS): Likewise.
25025 (RET_REG): Likewise.
25026 (EXTRA_CONSTRAINT): Define.
25027 (RETURN_IN_MEMORY): True for DImode.
25028 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
25029 (FUNCTION_PROFILER): Delete.
25030 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
25031 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
25032 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
25033 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
25034 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
25035 (ASM_FILE_START): Add "RMODE ANY".
25036 (ASM_OUTPUT_EXTERNAL): Check for aliases.
25037 (ASM_GLOBALIZE_LABEL): Likewise.
25038 (ASM_OUTPUT_LABELREF): Likewise.
25039 (ASM_OUTPUT_COMMON): Likewise.
25040 (PRINT_OPERAND): Handle 'K', 'W', default.
25041 (PRINT_OPERAND_ADDRESS): New.
25042 (Lots of defines): Add support for TARGET_ELF_ABI.
25043 * i370.md (attr length): New. Define for all patterns.
25044 (*): Lots of tweeks to assembly output and constraints.
25046 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
25048 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
25049 Disable patterns performing SImode comparisons with SImode values
25050 if TARGET_POWERPC64 and instruction does not sign-extend or does
25051 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
25052 differ for signed quantities.
25053 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
25054 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
25055 (decrement_and_branch_on_count): Add 64-bit variant.
25057 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25059 * final.c (output_asm_insn): When searching for the matching string
25060 for a given dialect, don't run past the end of the list of
25061 alternatives if there are fewer alternatives in the template than
25064 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
25066 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
25067 Removed paragraph about compression of files and size limitation,
25068 duplicated in the FAQ. Use gcc-patches for posting patches.
25069 * gcc.c (main): Updated URL with bug reporting instructions to
25070 gcc.gnu.org. Removed e-mail address.
25071 * system.h (abort): Likewise.
25073 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25075 * Makefile.in (stmp-multilib-sub): Make the files extracted
25076 from $(LIBGCC1) writable.
25078 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
25080 * config/arm/aout.h: Reformat for improved readability.
25082 * config/arm/arm.h: Reformat for improved readability.
25083 Replace uses of fprintf with asm_fprintf where appropriate.
25084 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
25085 function declaration assembler actions.
25086 (NUM_INTS): New macro: Convert from bytes to words.
25087 (NUM_REGS): New macro: Compute number of registers required to
25088 hold a quanitity of tyep MODE.
25089 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
25091 (NUM_ARG_REGS): New macro: The number of argument registers
25093 (ARG_REGISTER): New macro: Compute the register number of the Nth
25095 (LAST_ARG_REGNUM): New macro: The number of the last argument
25097 (SP_REGNUM): New macro: Register number of the stack pointer.
25098 (FP_REGNUM): New macro: Register number of the frame pointer.
25099 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
25100 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
25101 CUMULATIVE_ARGS so that it counts registers not bytes.
25103 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
25105 Replace uses of fprintf with asm_fprintf where appropriate.
25106 (output_ascii_pseudo_op): Replace with version from thumb.c
25108 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
25110 * config/arm/elf.h (CPP_PREDEFINES): Replace with
25111 SUBTARGET_CPP_SPEC.
25112 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
25113 (ASM_FILE_START): Emit ASM_APP_OFF.
25115 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
25117 * pa.c (compute_frame_size): Round frame according to
25118 STACK_BOUNDARY rather than a hardwired value.
25120 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
25122 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
25124 * configure: Rebuilt.
25126 * configure.in (hppa*-*-linux*): New configuration.
25127 * configure: Rebuilt.
25128 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
25129 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
25130 * pa/pa-linux.h: New file.
25131 * pa/t-linux: New file.
25132 * pa/xm-linux.h: New file.
25134 * pa.c (hppa_legitimize_address): Change references from SImode to
25135 either Pmode or word_mode as appropriate.
25136 (emit_move_sequence, store_reg, load_reg): Likewise.
25137 (set_reg_plus_d, hppa_expand_prologue): Likewise.
25138 (output_mul_insn): Likewise.
25139 * pa.h (PROMOTE_MODE): Likewise.
25140 (INITIALZE_TRAMPOLINE): Likewise.
25141 (Pmode): Define to word_mode.
25143 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
25144 value of 4. Allocate 8 bytes for each FP register save.
25145 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
25147 (hppa_expand_prologue): Likewise.
25148 * pa.h (PROMOTE_MODE): Likewise.
25149 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
25150 (FUNCTION_ARG_BOUNDARY): Likewise.
25152 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
25154 * pa.c (out_of_line_prologue_epilogue): Delete.
25155 (override_options): Remove -mspace related code.
25156 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
25157 (compute_frame_size): Only allocate space for register that
25158 actually need to be saved.
25159 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
25160 (TARGET_SWITCHES): Remove -mspace, -mno-space
25161 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
25162 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
25163 * pa/ee.asm, pa/ee_fp.asm: Delete.
25165 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
25167 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
25168 directive in column zero.
25170 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
25172 * m68k.c (output_function_prologue): Fix computation of save mask
25173 when generating PIC code.
25175 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
25177 * tree.c (build_type_attribute_variant): Move current_obstack restore
25178 after build_qualified_type call.
25180 1999-07-15 Mark Mitchell <mark@codesourcery.com>
25182 * configure.in: Use t-iris6, even with GNU LD.
25183 * config/mips/iris6gld.h: Fix typo in linker spec.
25184 * config/mips/t-iris6gld: Remove.
25186 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
25188 * rs6000.md (insv, extzv): Remove SImode dependence in named
25189 patterns. Explicitly generate DImode RTL if PowerPC64 and
25191 (insvdi): Reverse start and size in instruction template.
25193 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
25195 * invoke.texi: Typo fixes.
25197 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
25199 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
25200 handle at this time instead of silently generating incorrect code.
25201 (gen_imagpart): Likewise.
25203 * reload.c (find_reloads): Emit a USE for a pseudo register without
25204 a hard register if we could not create an optional reload for the
25207 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25209 * c-typeck.c (output_init_element, process_init_element):
25210 When advancing constructor_unfilled_fields for a RECORD_TYPE,
25211 check for nameless bit fields.
25213 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
25215 * regclass.c (scan_one_insn): Notice subregs that change the
25216 size of their operand.
25217 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
25219 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
25221 * configure.in (alpha*-*-*): Include alpha/t-ieee.
25222 * configure: Rebuilt.
25223 * alpha/t-ieee: New file.
25225 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
25227 * rs6000.c (find_addr_reg): Do not select r0 as an address
25230 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
25232 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
25234 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
25236 * rs6000.md (movsf): Do not force easy FP constants into memory.
25238 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
25239 immed_double_const to ensure they are properly truncated then
25242 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25244 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
25245 always unless NO_DEBUG is used. Compile this code
25247 (replace_symbols_in_block): Compile it unconditionally.
25249 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
25251 * configure.in (i?86-*-elf*): New target.
25252 * configure: Rebuilt.
25253 * i386/i386elf.h, i386/t-i386elf: New files.
25255 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
25257 * toplev.c (main): Don't complain about saying -gdwarf.
25258 (rest_of_compilation): Remove redundant code.
25260 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
25262 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
25264 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
25266 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
25267 "Li960R:", to avoid name clash.
25269 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25271 * loop.c (check_dbra_loop): When reversing a loop, delete all
25272 REG_EQUAL notes referencing the reversed biv except those which are
25273 for a giv based on it.
25275 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
25277 * version.c: Drop "gcc-" prefix from version #.
25279 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
25281 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
25282 the label if we're being verbose.
25284 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
25286 * m68k.c (output_function_prologue): Add pic register to mask
25287 if live and flag_pic.
25288 (output_function_epilogue): Likewise.
25290 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
25292 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
25293 directives in column zero.
25295 * pa/elf.h (ASM_FILE_START): Define.
25296 * pa/som.h (ASM_FILE_START): Include .level directives.
25297 * pa/hpux10.h (ASM_FILE_START): Delete.
25298 * pa/hpux11.h (ASM_FILE_START): Delete.
25300 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
25302 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25304 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
25305 when reload_out equals reload_in.
25307 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
25309 * invoke.texi (Spec Files): New node: Describe the contents of
25312 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
25314 * invoke.texi (DEC Alpha Options): Put @end table at
25315 beginning of line, to avoid confusing texi2html.
25317 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
25319 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
25320 introduced in previous delta.
25322 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25324 * reload1.c (gen_reload): When synthesizing a 3 operand add
25325 sequence, improve test for when to reload OP1 into the reload
25326 register instead of OP0.
25328 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
25330 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
25332 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
25334 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
25337 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
25339 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
25340 (va_dcl): Use __builtin_va_alist_t.
25342 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
25344 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
25345 on the permanent_obstack.
25346 * dwarfout.c (output_type): Likewise.
25348 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
25350 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25351 Merged from c-typeck.c and cp/typeck.c.
25352 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25353 Merged into c-common.
25355 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
25357 * c-lex.c (errorcount): Declare it.
25358 (finish_parse): Update errorcount when using CPPLIB.
25360 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
25362 * fixinc/inclhack.def(end_else_label): Double the backslash so
25363 sed gets a chance to see it.
25364 * fixinc/inclhack.sh: regen
25365 * fixinc/fixincl.x: regen
25367 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
25369 Add framework to support armv5 architecture when it becomes
25372 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
25373 (arm_arch5): New variable.
25374 (all_architectures): Add armv5 line.
25375 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
25376 -march=armv5 is specified on the command line.
25377 (arm_arch5): Export this variable.
25378 * invoke.texi: Document new string accepted by -march= switch for
25381 * config/arm/arm.h: Replace use of constant 12 as a register
25382 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25383 * config/arm/arm.c: Replace use of constant 12 as a register
25384 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25386 * config/arm/elf.h: Tidy up.
25387 * config/arm/coff.h: Tidy up.
25389 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
25391 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
25392 * gcc/config/mips/t-iris6gld: New file.
25393 * gcc/config/mips/iris6gld.h: Likewise.
25395 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
25397 * c-decl.c (widest_integer_literal_type_node,
25398 widest_unsigned_literal_type) : New.
25399 (init_decl_processing): Handle/use the two new types.
25400 * c-common.c (type_for_size,type_for_mode) : Same.
25401 * c-lex.c (yylex) : Same.
25402 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25404 * c-tree.h (widest_integer_literal_type_node,
25405 widest_unsigned_literal_type) : New.
25407 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
25409 * dwarfout.c (field_byte_offset): Correctly compute the object's
25410 byte offset for the first bit of a field which crosses an alignment
25411 boundary on a !BYTES_BIG_ENDIAN target.
25413 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
25415 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
25418 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
25419 Jeff Law <law@cygnus.com>
25421 * ginclude/varargs.h (va_dcl): Use word_mode for type of
25424 * except.c: Include intl.h.
25425 (expand_eh_return): Set current_function_cannot_inline.
25426 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
25427 * function.h (struct function): Add eh_return_stub_label.
25428 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
25429 * Makefile.in (except.o): Depend on intl.h.
25431 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
25433 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
25434 same as offsettable in cases 1 and 2.
25436 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
25438 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
25439 (extlh, extwh): Likewise.
25441 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
25443 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
25445 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
25447 * configure.in: Add arm-pe and thumb-pe targets.
25448 * configure: Regenerate.
25450 * thumb.c (arm_naked_function_p): New function: Determines if
25451 a function is naked (has no gcc generated prologue/epilogue).
25452 (is_called_in_ARM_mode): Return true if the func has the
25453 interfacearm attribute.
25454 (output_return): Do not generate a return for naked functions.
25455 (thumb_function_prologue): Do not generate a prologue for
25457 (thumb_expand_prologue): Do not generate a prologue for naked
25459 (thumb_expand_epilogue): Do not generate an epilogue for naked
25461 (arm_valid_machine_decl_attribute): New function, copied from
25462 arm.c: Permit naked and interfacearm attributes.
25464 * config/arm/pe.c: New file: Support code for arm-pe target.
25465 * config/arm/pe.h: New file: Header file for arm-pe target.
25466 * config/arm/tpe.h: New file: Header file for thumb-pe target.
25467 * config/arm/t-thumb-pe: New file: Makefile fragment for
25470 1999-07-01 Mark Kettenis <kettenis@gnu.org>
25472 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
25473 -fPIC or -fpic is specified.
25475 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
25477 * expr.c (emit_block_move): Use copy_to_mode_reg for
25478 !TARGET_MEM_FUNCTIONS case too.
25480 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
25482 * configure: Rebuilt.
25483 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
25484 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
25485 definitions made redundant by dbxelf.h inclusion. Delete
25486 lots of definitions related to assembly output that are
25487 specific to the SOM object format.
25488 * pa.c (output_function_prologue): Do not emit the function's
25490 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
25491 * pa-pro.h: Deleted.
25492 * som.h: New file with SOM specific definitions.
25493 * elf.h: New file with ELF specific definitions.
25495 * elfos.h (const_section): Output a tab before assembler directives.
25496 (ctors_section, dtors_section): Likewise.
25497 (ASM_OUTPUT_SECTION_NAME): Likewise.
25499 * pa/pa1.h: Delete unused file.
25501 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
25503 * configure.in (hppa*-hp-hpux11*): New configuration.
25504 * configure: Rebuilt.
25505 * pa/pa-hpux11.h: New file.
25506 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
25509 * mips.md (leasi, leadi): New patterns.
25511 * expr.c (emit_block_move): Properly handle case where one of the
25512 block move arguments has a queued increment or decrement.
25513 (clear_storage): Similarly. Fix formatting goof.
25515 1999-06-28 "David O'Brien" <obrien@NUXI.com>
25517 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
25518 semicolon from the BSD VA_LIST replacement expression.
25520 * fixinc/inclhack.sh: regen
25521 * fixinc/fixincl.x: regen
25523 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
25524 now use the fixincl program.
25526 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
25528 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
25529 case. Also make the PIC register call_used.
25531 * m68k.h (FINALIZE_PIC): Delete.
25532 * m68k.c (finalize_pic): Delete.
25534 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
25536 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
25539 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
25541 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
25543 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
25545 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
25547 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
25549 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
25551 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
25553 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
25555 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
25557 * rs6000.c (output_toc): Always use hex values for floating-point
25558 constants. Store single-precision values in upper-half of TOC
25559 entry in 64-bit mode.
25560 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
25561 to final constraints.
25562 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
25563 (fctiwz): Improve accuracy of RTL for pattern.
25565 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
25567 * expr.c (expand_expr): Allow RTL_EXPR's through the
25568 MAX_INTEGER_COMPUTATION_MODE checks.
25570 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
25572 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
25573 such that MASK_SUPPORT_ARCH is not negative.
25575 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
25577 * loop.c (verify_dominator): Properly handle ADDR_VEC and
25578 ADDR_DIFF_VEC insns that appear inside loops.
25580 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
25581 Jeff Law <law@cygnus.com>
25583 * rs6000.md (movdf_hardfloat32): Revert previous patch.
25584 Handle LO_SUM the same as offsettable in cases 1 and 2.
25585 * rs6000.c (find_addr_reg): Revert previous patch.
25587 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
25589 * system.h (strstr): New external function declaration.
25590 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
25591 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
25592 * config.in, configure: Rebuilt.
25594 1999-06-24 Tom Tromey <tromey@cygnus.com>
25596 * gcc.c (main): Read user-specified specs files after computing
25597 additional startfile_prefixes.
25599 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
25601 Revert these two patches:
25603 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25604 * loop.c (strength_reduce): When doing biv->giv conversion, update
25605 reg note of NEXT->insn.
25607 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25608 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25610 (recombine_givs): Set ix field after sorting.
25612 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25614 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
25615 for the parts of an UNSPEC / UNSPEC_VOLATILE.
25617 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
25619 *fixinc/inclhack.def: Add fix development commentary
25620 (read_ret_type): reactivate and add selection clause
25621 (zzz_*): tweak output file name to match what is used in hackshell.tpl
25622 *fixinc/{fixincl.x|inclhack.sh}: regen
25624 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
25626 * expr.c (expand_expr): STRIP_NOPS before checking against
25627 MAX_INTEGER_COMPUTATION_MODE
25628 (check_max_integer_computation_mode): Likewise.
25630 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
25632 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
25634 1999-06-22 Jim Wilson <wilson@cygnus.com>
25636 * expr.c (store_expr): When target is a promoted subreg, return a
25637 promoted subreg as a result.
25639 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
25641 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
25643 (dwarf2out_define): Mark unused parameters appropriately.
25644 (gen_unspecified_parameters_die): Ditto.
25645 (gen_subprogram_die): Fix signed/unsigned warnings.
25646 (gen_variable_die): Ditto.
25648 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
25650 * fixinc/inclhack.def(end_else_label): combined else_label
25651 and endif_label and fixed the sed expression.
25652 *fixinc/{fixincl.x|inclhack.sh}: regen
25654 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
25656 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
25657 'x' when handling non-offsettable addresses
25659 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
25661 * final.c (shorten_branches): Don't try to split an insn that has
25664 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
25666 * config/mips/mips.c (symbolic_expression_p): New function.
25667 (mips_select_rtx_section): Put symbolic expressions in the
25668 data section, not the read-only data section.
25670 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
25672 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
25674 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
25676 * collect2.c (main): Log frame table count.
25677 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
25678 (scan_prog_file) [COFF]: Handle frame tables.
25680 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
25681 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
25682 * alpha/elf.h: Undef them again.
25683 * alpha/vms.h: Remove their definitions.
25685 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25687 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
25688 remove the clobber of r0 and change the REG_UNUSED note to
25691 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
25693 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
25694 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
25695 fits in HOST_WIDE_INT and one uses union to access a long constant
25698 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
25700 * sparc.c (sparc_override_options): Don't allow profiling for
25701 code models other than medlow.
25702 (sparc_function_profiler): New function from old FUNCTION_PROFILER
25703 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
25704 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
25705 (sparc_block_profiler): Likewise.
25706 (sparc_function_block_profiler_exit): Likewise.
25707 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
25708 (FUNCTION_BLOCK_PROFILER): Likewise.
25709 (BLOCK_PROFILER): Likewise.
25710 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
25711 (MCOUNT_FUNCTION): New.
25712 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
25713 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
25714 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
25715 (MCOUNT_FUNCTION): New.
25716 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
25717 (BLOCK_PROFILER): Delete.
25718 (MCOUNT_FUNCTION): New.
25720 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
25722 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
25724 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25726 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25729 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25732 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25735 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25738 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
25740 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
25743 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
25745 * i386/djgpp.h (LIB_SPEC): New.
25746 (STARTFILE_SPEC): New.
25748 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
25750 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
25752 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
25755 * system.h (WSTOPSIG): New macro.
25757 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
25759 * c-pragma.c (push_alignment): Don't ignore alignments greater than
25761 (insert_pack_attributes): Take into account member natural
25764 * i386/winnt.c (exports_head): New static variable.
25765 (i386_pe_record_exported_symbol): New function.
25766 (i386_pe_asm_file_end): Use.
25767 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
25768 symbols to be emitted at end of assembly.
25769 (ASM_DECLARE_OBJECT_NAME): Likewise.
25770 (ASM_DECLARE_FUNCTION_NAME): Likewise.
25772 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
25775 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
25777 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
25780 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
25782 * haifa-sched.c (sched_analyze_1): Use free_list instead of
25783 zapping reg_last_uses directly.
25784 (sched_analyze_2, sched_analyze_insn): Likewise.
25785 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
25787 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
25789 * rs6000.md (movdf_hardfloat32): Use worst case insn length
25790 attributes for cases 1 and 2.
25792 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
25794 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
25797 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
25799 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
25801 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
25803 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
25804 PIC_OFFSET_TABLE_REGNUM for general alloaction.
25805 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
25806 must be stacked if it is used for PIC accesses.
25807 * arm.c (use_return_insn): Handle PIC register specially.
25808 (output_return_instruction): Likewise.
25809 (output_func_{prologue,epilogue}): Likewise.
25810 (output_expand_prologue): Likewise.
25812 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
25813 (*strsi_predec): Renamed from *strqi_predec.
25814 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
25815 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
25817 * arm.c (arm_override_options): Remove warning about PIC code
25818 not being supported.
25820 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
25822 * rs6000.c (find_addr_reg): New function.
25823 * rs6000.h (find_addr_reg): Declare.
25824 (offsettable_addr_operand): Delete.
25825 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
25826 from and stores to GPRs.
25828 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
25830 * alpha.c (alpha_expand_block_move): Use get_insns rather than
25831 gen_sequence as argument to emit_no_conflict_block.
25833 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25835 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
25836 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
25837 *fixinc/fixincl.x: regen
25838 *fixinc/inclhack.sh: regen
25840 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
25842 * added support for -mpcrel (PC relative addressing for m68k)
25843 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
25844 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
25845 * m68k.c (print_operand_address): Handle 32-bit PIC case.
25846 (comments for general_src_operand): Add some explanation
25847 about EXTRA_CONSTRAINTS.
25848 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
25849 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
25850 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
25851 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
25852 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
25853 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
25854 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
25855 if not already set.
25856 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
25857 * m68k.h (TARGET_PCREL): New target flag.
25858 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
25859 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
25860 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
25861 contains a SYMBOL_REF. Relax this constraint during reload, since
25862 we want to use the predicates, not reload's built-in concept of a
25863 valid memory address, to control what insns need reloading.
25864 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
25865 operands (essentially 'g', 'm', and 's' under normal circumstances).
25866 * m68k.c (print_operand): Cause printing of pc-relative addresses
25867 to include pc register.
25868 (print_operand_address): Ditto.
25869 (general_src_operand): Accept operands that are not only
25870 general_operands, but are also valid when used as a pc-relative
25872 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
25873 (memory_src_operand): Similar, for memory_operands.
25874 (pcrel_address): New predicate to accept the special case of a
25875 pc-relative address.
25876 * m68k.md (many patterns): Rewrite common SImode, HImode, and
25877 QImode insns to accept *_src_operand instead of *_operand where
25878 pc-relative operands can fit. For example, a pc-relative operand
25879 can be used as a memory source operand for addsi3, but not as a
25880 memory destination.
25881 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
25883 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
25885 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
25886 .thumb_set pseudo op to mark aliases of thumb functions.
25888 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
25890 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
25891 preference to ASM_OUTPUT_DEF, if it is defined.
25893 * tm.texi: Document new, optional target macro
25894 ASM_OUTPUT_DEF_FROM_DECLS.
25896 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25898 * fixincludes: ISCNTL patch
25899 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
25900 (dgux_int_varargs): new for DG/UX
25901 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
25903 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
25905 * invoke.texi (ia32 options): Fix typo.
25907 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25909 * loop.c (strength_reduce): When doing biv->giv conversion, update
25910 reg note of NEXT->insn.
25912 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
25914 * loop.c (move_movables): Note issues with replacing REGs with
25916 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
25918 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
25920 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
25922 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
25923 the reference to `mcount' was not correct for the ELF on FreeBSD.
25925 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25927 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25930 (recombine_givs): Set ix field after sorting.
25932 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
25934 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
25935 to safe to extract a subword out of a REG.
25937 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25939 * sh.md (mulsi3): Don't add a no-op move at the end.
25941 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25943 * cse.c (cse_insn): Don't put hard register source into tables for
25944 the last insn of a libcall.
25946 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25948 * loop.c (strength_reduce): Insert sets of derived givs at every
25949 biv increment, even if it's the only one.
25951 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
25953 * dwarfout.c (add_incomplete_type): New fn.
25954 (output_type): Call it.
25955 (retry_incomplete_types): New fn.
25956 (dwarfout_finish): Call it.
25958 From Eric Raskin <ehr@listworks.com>:
25959 (output_type): Output types for bases.
25961 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
25963 * mips.c (mips_output_conditional_branch): Add `break'
25964 between `default' label and `close braces'.
25966 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
25968 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
25969 specifications and make it realistic.
25970 (LIB_SPEC): Likewise.
25972 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
25974 * config/mips/mips.c (mips_secondary_reload_class): Check for
25975 (PLUS (SP) (REG)) and return appropriate register class.
25976 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
25977 Handle (PLUS (SP) (REG)).
25978 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
25979 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
25980 of emit_insn for tablejump.
25982 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
25984 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
25985 asm_fprintf format string by itself.
25986 (output_function_profiler): Likewise.
25988 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
25990 * combine.c (simplify_logical, case AND): Only call
25991 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
25992 or the constant is positive.
25994 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
25996 * configure.in: Fix typo in rs6000-ibm-aix4 case.
25997 * configure: Regenerate.
25999 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
26001 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
26002 require a sub-version #.
26003 * configure: Rebuilt.
26005 1999-06-14 Robert Lipe (robertlipe@usa.net)
26007 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
26009 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
26011 * c-typeck.c (process_init_element): Detect excess elements in
26012 char array initializer.
26014 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
26016 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
26018 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26020 * invoke.texi (Option Summary): Add -fpermissive flag.
26022 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
26024 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
26025 that require PIC code sequences.
26027 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
26029 * configure.in: Add new target: thumb-elf.
26030 * configure: Regenerate.
26031 * config/arm/t-thumb-elf: New file: Makefile fragment for
26033 * config/arm/telf.h: New file: Header file for thumb-elf
26036 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
26038 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
26039 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
26040 initializers is some circumstances.
26042 * fixinc/inclhack.def (endif_label): Add additional selector for
26043 more bogus stuff after #endif statements.
26044 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
26046 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
26048 * i386/cygwin.h (SET_ASM_OP): Define.
26050 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
26052 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
26054 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26056 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
26059 * sh.md (ic_invalidate_line_i): Remove second alternative.
26061 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26063 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
26064 test for the presence of valid prototypes. Delete bypass expr.
26065 (ioctl_fix_ctrl): Correct the selection expression.
26066 (no_double_slash): Correct quoting rules
26067 *fixinc/fixincl.x: regen
26068 *fixinc/inclhack.sh: regen
26070 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
26072 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
26074 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26076 * rs6000.md (movsi_got_internal_mem): Delete.
26077 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
26078 (GOT_TOC_REGNUM): Delete.
26079 (PIC_OFFSET_TABLE_REGNUM): Define.
26080 (FINALIZE_PIC): Disable.
26081 * rs6000.c (rs6000_got_register): New code for fixed pic register.
26082 (rs6000_replace_regno): Delete.
26083 (rs6000_finalize_pic): Likewise.
26084 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
26086 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26088 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
26089 is a note; use <= for the compare; advance P while it is
26092 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
26094 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
26095 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
26097 * varasm.c (remove_from_pending_weak_list): Verify t->name
26098 is non-NULL before passing it to strcmp.
26100 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26102 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
26103 the typed arguments are not part of a comment
26104 (ioctl_fix_ctrl): Added a purpose comment
26105 *fixinc/fixincl.x: regenerate
26106 *fixinc/inclhack.sh: regenerate
26108 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
26110 * invoke.texi: Add C4x invocation docs.
26112 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
26114 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
26116 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
26118 (c4x_legitimize_reload_address): New function.
26119 * config/c4x/c4x.md: Update docs.
26121 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
26123 * fixincludes: Avoid removing '.'.
26124 * fixinc/fixinc.svr4: Likewise.
26125 * fixinc/fixinc.winnt: Likewise.
26126 * fixinc/inclhack.tpl: Likewise.
26127 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
26129 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26131 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
26133 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
26135 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
26137 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
26140 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
26142 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
26143 * configure: Regenerate.
26145 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
26147 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
26150 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
26152 * fixinc/inclhack.def (avoid_bool): Also catch
26153 "typedef [unsigned] int bool".
26154 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
26156 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
26157 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
26158 * configure: Rebuilt.
26160 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
26162 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
26163 such that we can override its definitions if necessary.
26164 (CPP_SPEC): New define. Support processor specific predefines via
26166 (CC1_SPEC): New define. Support processor specific compiler
26167 options via %(cc1_cpu).
26168 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
26171 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26173 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
26174 between sed's -e flag, and the open-quote following it.
26175 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
26177 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
26178 Jeffrey A Law (law@cygnus.com)
26180 * varasm.c (assemble_start_function): Remove the function
26181 from the pending weak decls list when we define a function.
26182 (assemble_variable): Similarly for variables.
26183 (weak_finish): Ignore items on the list with a NULL name.
26184 (remove_from_ending_weak_list); New function to "remove" an item
26185 from the pending weak declarations list.
26187 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26189 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
26191 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
26193 * c-lex.c (GETC): Redefine to call getch.
26194 (UNGETC): Redefine to call put_back.
26195 (putback_buffer): New structure type.
26196 (putback): New static structure.
26197 (getch): New function.
26198 (put_back): New function.
26199 (yylex): Replace unused bytes from bad multibyte character.
26201 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
26203 * cpplib.c (do_define): Cast `alloca' return value.
26204 (do_include, do_undef, do_pragma): Likewise.
26205 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
26207 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
26208 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
26210 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
26212 * sparc.md (abstf2): This should be an expand.
26213 (split after abstf2_notv9): Fix mode.
26214 (abstf2_hq_v9): New pattern.
26215 (abstf2_v9): Only use when no hard quad.
26216 (absdf2_v9): Fix if target is not the same as source.
26217 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
26218 Add correct output constraints.
26220 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
26222 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
26223 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
26225 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
26227 * mips.h (mips_output_conditional_branch): New function.
26228 (mips_adjust_insn_length): Likewise.
26229 (ASSEMBLER_SCRATCH_REGNUM): New macro.
26230 (ADJUST_INSN_LENGTH): Likewise.
26231 * mips.c (print_operand): Add `F' and `W' for floating-point
26232 comparison opcodes.
26233 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
26235 (mips_adjust_insn_length): New function.
26236 (mips_output_conditional_branch): New function.
26237 * mips.md (length): Adjust attribute definition to handle
26238 conditional branches. Change lengths to bytes, rather than
26239 instructions throughout. Remove length attribute from
26240 instructions whose length is four bytes, and rely on the default
26242 (dslot): Fix typo in comment.
26243 Reword conditional branch patterns to use
26244 mips_output_conditional_branch.
26246 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
26248 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
26249 (LIB_SPEC): Likewise.
26250 Link with -lprof1_r for -g/-pg.
26252 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26254 * loop.c (check_dbra_loop): Fix change of Jan 19.
26256 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
26258 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
26259 (STARTFILE_SPEC): Define, override the svr4.h version.
26260 (ENDFILE_SPEC): Likewise.
26262 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
26264 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
26265 * fixinc/fixincl.x: Regenerated.
26266 * fixinc/inclhack.sh: Regenerated.
26268 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26270 * sh.c (barrier_align): Don't return early for normal branch/barrier
26271 when optimizing for SH2.
26273 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
26275 * i386/udk.h (LINK_SPEC): Correct linker search path for
26278 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26280 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
26281 (braf_label_ref_operand): Delete.
26282 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
26283 * sh.md (casesi_jump_2): Operand1 is now the inside of a
26284 label_ref, and has no predicate.
26285 The patten has a predicate to guard against invalid substitutions.
26286 (dummy_jump): Delete.
26287 (casesi): Update use of casesi_jump_2.
26289 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26291 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
26292 *fixinc/fixincl.x: regenerate
26293 *fixinc/inclhack.sh: regenerate
26295 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
26297 * dwarf2out.c (add_incomplete_type): New fn.
26298 (gen_struct_or_union_type_die): Call it.
26299 (retry_incomplete_types): New fn.
26300 (dwarf2out_finish): Call it.
26302 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
26304 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
26305 current block starts with a CODE_LABEL and ends with a CALL and
26306 we can not find all the argument setup instructions for the CALL.
26308 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
26310 Revert this change:
26311 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26312 something is a candidate for optimize_bit_field_compare.
26314 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26316 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
26318 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
26320 * alpha.c (override_options): Thinko in last patch.
26322 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
26323 (LIB_SPEC): Recognize -pthread.
26325 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
26327 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
26328 definition in config/arm/coff.h
26329 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
26331 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26333 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
26334 fixes that need "file=xxx\n" prepended before invocation
26335 (start_fixer - new): starting the fixer process is complex enough
26336 to warrent its own routine. It prepends the "file=xxx\n" stuff.
26337 (process): uses the new routine; omit usage of putenv()
26338 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
26339 * fixinc/fixincl.x: regenerate
26341 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
26343 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
26344 and version #s (1.1 -> 2.96) as needed.
26345 * README.g77: Kill way out of date file in the toplevel directory.
26347 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
26349 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
26350 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
26351 * configure: Rebuilt.
26352 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
26353 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
26354 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
26355 (SWITCH_TAKES_ARG): Likewise.
26356 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
26357 * config/t-freebsd: Moved from config/i386/ so it can used for all
26360 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
26362 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
26364 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
26366 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
26367 * configure: Rebuilt.
26369 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
26371 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
26372 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
26373 * rs6000/rs6000.c (rs6000_file_start): Use putc.
26374 (rs6000_output_load_toc_table): Same.
26375 (output_prolog, output_mi_thunk): Same.
26376 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
26377 (ASM_GLOBALIZE_LABEL): Use putc.
26379 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
26381 * alpha.md (reload_*_help): New patterns and splitters.
26382 (reload_*): Use them.
26383 (mov[qh]i): Likewise.
26385 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
26387 * cccp.c (handle_directive): Handle backslash-newlines in quoted
26390 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
26392 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
26394 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
26396 * flow.c (mark_regs_live_at_end, insn_dead_p,
26397 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
26398 and HARD_FRAME_POINTER_REGNUM special treatment if reload
26399 hasn't run or the frame pointer is needed.
26400 * haifa-sched.c (attach_deaths): Likewise.
26401 * sched.c (attach_deaths): Likewise.
26403 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
26405 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
26406 calculate_can_reach_end returns nonzero.
26408 * configure.in (native gas tests): Search for an assembler in the
26409 same manner that the installed compiler will.
26410 * configure: Rebuilt.
26411 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
26413 * alias.c (find_base_term): Improve handling of addresses
26414 constructed from binary operations.
26416 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
26418 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
26420 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
26422 * function.h (cleanup_label, frame_offset): Declare.
26423 (tail_recursion_label, tail_recursion_reentry): Likewise.
26424 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26425 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
26426 (tail_recursion_label, tail_recursion_reentry): Likewise.
26427 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26429 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
26431 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
26433 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
26434 (MAX_OFILE_ALIGNMENT): Define.
26436 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
26438 * fixincl.c: Replace local include scheme with #includes of
26439 gansidecl.h and system.h.
26440 * procopen.c: Likewise.
26441 * server.c: Likewise.
26443 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
26445 * i386/t-dgux (EXTRA_PARTS): Add crti.o
26446 (crti.o): Add build rule and dependencies.
26447 * fixinc/fixinc.dgux: Use modified _int_varargs.h
26449 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26451 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
26452 (LIB_LINUX_SPEC): Likewise.
26453 (LIB_LINUX_SPEC): Add support for -pthread
26454 (CPP_OS_LINUX_SPEC): Likewise.
26455 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
26458 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
26460 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
26462 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
26463 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
26464 for IEEE math and CC_FCOMI.
26465 (put_jump_code): No IEEE if CC_FCOMI is set.
26467 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26469 * fold-const.c (fold_truthop): Make the field reference unsigned
26470 when converting a single bit compare.
26472 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26474 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
26476 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
26478 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
26479 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
26482 * reload.c (push_reload): Do not call remove_address_replacements
26483 when presented with identical optional reloads.
26485 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
26487 * alpha.h (MASK_FIX, TARGET_FIX): New.
26488 (MASK_*): Reorganize constants.
26489 (CPP_AM_FIX_SPEC): New.
26490 (TARGET_SWITCHES): Add FIX.
26491 (EXTRA_SPECS): Likewise.
26492 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
26493 (SECONDARY_MEMORY_NEEDED): Likewise.
26494 (REGISTER_MOVE_COST): Likewise.
26495 * alpha.c (override_options): Add FIX support. Always use
26496 ALPHA_TP_PROG for ev6.
26497 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
26498 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
26499 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
26501 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
26503 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26504 something is a candidate for optimize_bit_field_compare.
26506 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
26508 * gcc.texi (Passes): Document branch-shortening.
26509 * invoke.texi (Debugging Options): Document the fact that `-dp'
26510 outputs length information for instructions.
26512 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
26514 * flow.c: Revert previous delta.
26516 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
26518 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
26519 FRAME_POINTER_REGNUM.
26520 (mark_set_1): Ditto.
26521 (mark_used_regs): Ditto.
26523 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
26525 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
26526 (GOT_PCREL): New macro. Define to 1 if not already defined.
26527 * arm/elf.h (GOT_PCREL): Define to 0.
26528 * arm.c (arm_finalize_pic): Take into account the setting of
26531 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
26533 * output.h (STRIP_NAME_ENCODING): Provide default definition.
26534 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
26536 * flow.c (mark_set_1): Do not record BLKmode stores as dead
26537 store elimination candidates.
26539 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
26541 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
26544 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
26546 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
26547 Add use of x-aix41-gld.
26549 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
26551 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
26552 (ASM_OUTPUT_DESTRUCTOR): Define.
26554 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
26556 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
26557 last CODE_LABEL in a loop if we have previously passed a jump
26558 to the top of the loop.
26560 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
26562 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
26563 applying Philip's patch.
26565 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
26567 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
26570 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
26572 * loop.c (strength_reduce): Grow reg_single_usage as needed.
26574 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
26576 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
26577 Also remove a useless comment.
26579 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26581 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
26583 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
26585 * collect2.c (main): Only generate import or export file and add
26586 to link arguments if non-empty. Use xmalloc not alloca.
26587 (write_{export,import}_file): Delete.
26588 (write_aix_file): New function.
26589 (locatelib): Use xmalloc not malloc.
26590 (GCC_OK_SYMBOL): Do not check type if aix64.
26592 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
26594 Based on patch by Scott Bambrough and Pat Beirne:
26595 * config/arm/arm.c (making_const_table): New variable.
26596 * config/arm/arm.h (making_const_table): Declare.
26597 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
26599 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
26600 Keep track of when we are building the constant table.
26602 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
26604 * config/arm/arm.c (arm_override_options): Fix erroneous warning
26607 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
26609 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
26612 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
26614 * tm.texi (FUNCTION_ARG): Correct description of a stack element
26617 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
26619 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
26621 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26623 * rs6000.c (output_mi_thunk): Enable full support again.
26625 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26627 * sh.h (BRANCH_COST): Define.
26629 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
26631 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
26633 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
26635 * function.c (assign_stack_local): Align stack slot propertly.
26636 (assign_outer_stack_local): Likewise.
26638 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
26640 * expr.h (lang_expand_constant): Declare.
26641 * toplev.c (lang_expand_constant): Define it.
26642 * varasm.c (output_constant): Use it.
26644 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26646 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
26647 Change function definitions to K&R style.
26649 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26651 * fixinc/fixincl.c: We must not ignore SIGCLD now.
26653 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
26655 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
26656 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
26657 (several places): omit static initialization
26658 (process): use single fd, since only the read fd is used
26659 * fixinc/gnu-regex.c: define 'const' away, if not supported
26660 * fixinc/procopen.c(several places): omit static initialization
26661 * fixinc/server.c: define 'volitile' away, if not supported
26663 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26665 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
26666 asm_fprintf and %L to generate the label name.
26667 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
26668 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
26670 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
26672 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
26673 insn for a conditional jump can not be found.
26675 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
26677 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
26678 on variables in specific sections other than .sbss and .sdata.
26680 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
26682 * stmt.c (expand_return): Call start_cleanup_deferral and
26683 end_cleanup_deferral around conditional code.
26685 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26687 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
26688 filename lists. Utilizes new "krstr" AutoGen function.
26689 * fixinc/fixincl.x: Rebuilt.
26691 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
26693 * i386.c (output_float_compare): Avoid GNU-C extensions.
26695 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
26697 * version.c: Bump to distinguish mainline tree from the
26700 See ChangeLog.1 for earlier changes.