1 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
3 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
5 2000-05-03 Richard Henderson <rth@cygnus.com>
7 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
8 LIBGCC1 empty with libgcc1.null.
10 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
12 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
15 2000-05-03 Greg McGary <gkm@gnu.org>
17 * tree.h (tree_common): Add bounded_flag member. Remove
18 inaccurate comment about number of remaining bits.
19 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
20 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
21 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
22 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
23 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
24 (TYPE_QUAL_BOUNDED): New constant.
25 (TYPE_QUALS): Handle bounded qualifier.
26 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
27 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
28 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
29 TYPE_AMBIENT_BOUNDEDNESS): New macros.
30 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
31 (tree_type): Add pointer_depth member. Remove
32 inaccurate comment about number of remaining bits.
33 (DECL_POINTER_DEPTH): Add macro.
34 (tree_decl): Add pointer_depth member.
36 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
38 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
39 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
40 (lshrhi3_out): Likewise.
41 (ashrsi3_out): bugfix in shift by 8.
42 (test_hard_reg_class): New function.
43 * config/avr/avr.md: Bugfix inside conditions in peepholes.
44 (ashlhi3): removed define_expand of this pattern.
45 (*ashlhi3_insn): renamed to ashlhi3.
46 (ashlsi3): removed define_expand of this pattern.
47 (*ashlsi3_insn): renamed to ashlsi3.
48 (ashrqi3): removed define_expand of this pattern.
49 (*ashrqi3_insn): renamed to ashrqi3.
50 (ashrhi3): removed define_expand of this pattern.
51 (*ashrhi3_insn): renamed to ashrhi3.
52 (ashrsi3): removed define_expand of this pattern.
53 (*ashrsi3_insn): renamed to ashrsi3.
54 (lshrhi3): removed define_expand of this pattern.
55 (*lshrhi3_insn): renamed to lshrhi3.
56 (lshrsi3): removed define_expand of this pattern.
57 (*lshrsi3_insn): renamed to lshrsi3.
59 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
61 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
62 inclusion of "system.h".
64 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
66 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
69 2000-05-03 David Mosberger <davidm@hpl.hp.com>
71 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
73 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
74 -mconstant-gp is in effect and function-descriptors are being used
75 to make indirect calls.
76 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
77 (MASK_AUTO_PIC): Ditto.
78 (TARGET_CONST_GP): Ditto.
79 (TARGET_AUTO_PIC): Ditto.
80 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
81 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
82 -mno-pic is in effect.
83 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
84 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
85 -mauto-pic is in effect.
86 (gprel64_offset): New pattern.
87 (load_gprel64): Ditto.
88 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
89 -mconstant-gp is in effect, no need to preserve gp around direct
92 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
93 (FUNCTION_PROFILER): Define.
94 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
95 @fptr() directive when -mno-pic or -mauto-pic is in effect.
96 (ASM_OUTPUT_DESTRUCTOR): Ditto.
98 2000-05-03 Richard Henderson <rth@cygnus.com>
100 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
101 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
102 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
103 (mklibgcc, libgcc.mk): New targets.
104 (libgcc.a): Use libgcc.mk.
105 (stmp-multilib): Likewise.
106 (stmp-multilib-sub): Remove.
107 (mostlyclean): Don't delete libgcc2 temp files.
108 * configure.in (AC_PROG_CC_C_O): Add.
109 (NO_MINUS_C_MINUS_O): Substitute it.
110 (all_outputs): Add mklibgcc.
111 * mklibgcc.in: New file.
113 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
115 * cppexp.c (op_t): Make an int.
117 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
119 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
121 * gensupport.c (process_rtx): Fix macros used.
123 2000-05-03 Richard Henderson <rth@cygnus.com>
125 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
126 call-clobbered registers of a call.
128 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
130 * gensupport.c: New file.
131 * gensupport.h: New file.
132 * Makefile.in (HOST_RTL): Depend on gensupport.
133 (gensupport.o) New rule.
134 * genattr.c: Use gensupport for reading .md files.
135 * genattrtab.c: Ditto.
137 * genconfig.c: Ditto.
139 * genextract.c: Ditto.
141 * genopinit.c: Ditto.
142 * genoutput.c: Ditto.
145 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
146 * md.texi (Insn Splitting): Document define_insn_and_split.
148 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
150 * flow.c (verify_flow_info): Added two more sanity checks. The
151 first checks that the blocks are numbered consecutively. The second
152 checks that n_basic_blocks is actually equal to the number of
153 basic blocks in the insn chain.
155 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
157 * cpplib.h: Add accessor macros for token lists.
158 * cpplib.c, cpphash.c, cpplex.c: Use them.
160 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
162 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
163 memory usage if not in a function.
164 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
165 return address if static.
167 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
169 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
170 whether address may trap.
172 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
174 * bb-reorder (chain_reorder_blocks): Changed code to test for
175 EDGE_FALLTHRU rather than making erroneous assumption that the
176 first outgoing edge is the fall-through edge.
178 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
180 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
181 ABI for varargs, across all MIPS. This is incompatible because the
182 va_list (__builtin_va_list) structure is different, so a compilation
183 unit passing a va_list and a compilation unit being passed one, should
184 both be compiled with the same ABI. (The old structure had two
185 pointers, now it has three.)
187 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
189 * bb-reorder.c (struct reorder_block_def): Remove members end,
190 block_begin, and block_end.
191 (REORDER_BLOCK_OLD_END): Delete.
192 (REORDER_BLOCK_BEGIN): Delete.
193 (REORDER_BLOCK_END): Delete.
194 (chain_reorder_blocks): Remove dead code.
196 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
198 * bb-reorder.c (remove_scope_notes): Check for both types of scope
199 notes as the end of a basic block before deleting.
201 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
203 * final.c (final_start_function): Fix spelling of "necessary".
205 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
207 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
208 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
209 (GCC_CFLAGS): Use it.
210 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
211 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
212 objc/Make-lang.in: Use it.
214 * toplev.c (debug_ignore_block): Return int.
215 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
216 * toplev.h, dwarf2out.h: Adjust.
217 * emit-rtl.c (remove_unnecessary_notes): Test return value.
219 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
220 * toplev.c, final.c, rtl.h: Adjust.
222 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
224 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
225 * configure.in: Look for makeinfo in the unified tree, then
226 for a system makeinfo which is sufficiently new.
227 * Makefile.in: If configure says makeinfo is too old, don't
228 build or install Info documentation.
230 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
232 * cpphash.c (collect_params): Fix off-by-one error.
233 (dump_hash_helper): Dump all four macro nodetypes.
235 2000-05-02 Jakub Jelinek <jakub@redhat.com>
237 * cpphash.c (trad_stringify): Adjust p after stringification as
240 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
242 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
243 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
245 * cppfiles.c (file_cleanup): Delete.
246 * cpphash.c (macro_cleanup): Delete.
247 (collect_objlike_expansion, collect_funlike_expansion,
248 macarg, scan_arguments): Remove CPP_POP case.
250 * cpplex.c (null_cleanup): Delete.
251 (cpp_pop_buffer): Do the work that was done in the cleanups
252 here. Call _cpp_unwind_if_stack from here.
253 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
254 cpp_scan_buffer): Run until we see CPP_EOF and the top of
255 stack is the buffer _below_ the one we stacked.
256 (cpp_get_token): Always pop an exhausted buffer. Return
257 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
258 * cpplib.c (skip_if_group): Don't call cpp_get_token to
259 increment the line number.
260 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
262 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
263 we see CPP_EOF and the top of stack is the buffer _below_ the
265 * scan-decls.c: Likewise.
267 2000-05-02 Andrew Haley <aph@cygnus.com>
269 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
270 where this function is called for the second time on a decl that
271 has had its section info changed in such a way as to move it out
273 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
275 2000-05-01 Richard Henderson <rth@cygnus.com>
277 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
278 the sequence we're moving, not to merge_bb->head.
280 2000-05-01 Richard Henderson <rth@cygnus.com>
282 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
283 reference to alpha/t-linux.
284 (alpha*-*-linux-gnu*): Likewise.
285 * configure: Rebuild.
287 * calls.c (expand_call): Don't emit reg notes for a sibcall.
289 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
292 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
294 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
296 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
299 2000-05-01 Richard Henderson <rth@cygnus.com>
301 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
302 emit_conditional_move.
304 2000-05-01 Jakub Jelinek <jakub@redhat.com>
306 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
307 as the dynamic linker.
309 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
311 * cppfiles.c (open_include_file): Open file in blocking mode.
312 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
313 Only exclude block devices and directories.
315 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
316 static. Allocate the hashnode and its string in the same
318 (del_HASHNODE): Don't free h->name.
319 (_cpp_lookup): If there is no entry for this string, create
321 (_cpp_lookup_slot): Delete.
322 * cpphash.h: Update prototypes.
324 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
326 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
327 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
328 node here, just fill in the value field properly. "Delete"
329 entries by setting the value field to T_VOID. Check for
330 hp->type == T_VOID, not hp == NULL.
332 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
333 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
336 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
338 * config/mn10300/mn10300.c (print_operand_address): Do not add
341 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
342 adjusted by less than 256 bytes, use ret regardless of having any
343 callee-saved register to restore.
345 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
347 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
349 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
351 * config/i386/djgpp.h (INT_ASM_OP): Define.
352 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
353 (ASM_WEAKEN_LABEL): Define.
354 (MASK_BNU210): Define.
355 (SUBTARGET_SWITCHES): Define.
356 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
357 (MAKE_DECL_ONE_ONLY): Define.
358 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
360 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
362 * i386/cygwin.h (INT_ASM_OP): Define.
364 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
366 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
367 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
369 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
371 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
372 __tmp_reg__ and __zero_reg__ initialization.
374 2000-04-30 Richard Henderson <rth@cygnus.com>
376 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
378 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
379 referenced bewteen the condition and the jump. Don't delete
380 anything but the jump.
382 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
384 * bb-reorder.c (scope_def): New struct.
385 (scope_forest_info): New struct.
386 (struct reorder_block_def): New member "scope".
387 (REORDER_BLOCK_SCOPE): New macro.
388 (relate_bbs_with_scopes): New function and prototype.
389 (make_new_scope): Likewise.
390 (build_scope_forest): Likewise.
391 (remove_scope_notes): Likewise.
392 (insert_intra_1): Likewise.
393 (insert_intra_bb_scope_notes): Likewise.
394 (insert_inter_bb_scope_notes): Likewise.
395 (rebuild_scope_notes): Likewise.
396 (free_scope_forest_1): Likewise.
397 (free_scope_forest): Likewise.
398 (dump_scope_forest): Likewise.
399 (dump_scope_forest_1): Likewise.
400 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
401 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
403 (reorder_basic_blocks): Added calls to build_scope_scope_forest
404 and remove_scope_notes before reordering is done. Added calls to
405 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
406 after reordering is done.
408 2000-40-30 Bruce Korb <bkorb@gnu.org>
410 * fixinc/inclhack.def: Added definitions needed by OSR5,
411 removed two stale entries (defined away with OLD_CPP).
412 * fixinc/inclhack.sh: regen
413 * fixinc/fixincl.x: regen
415 2000-04-30 Richard Henderson <rth@cygnus.com>
417 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
418 from the last insn in the sequence.
420 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
422 * cpplex.c (cpp_idcmp): New function.
423 * cpplib.h: Prototype it.
424 * scan_decls.c (scan_decls): Use it to inspect token names.
425 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
426 the file being run through the preprocessor.
427 (check_macro_names): Provide length of token to cpp_defined.
429 * Makefile.in: Remove stale warning message.
431 * cppfiles.c (redundant_include_p): Provide length of token to
433 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
434 values are unsigned int.
435 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
436 (_cpp_lookup_slot): Do not calculate the hash, either.
437 * cpphash.h: Update prototypes.
438 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
439 Hashes are unsigned int. Calculate hash here, pass by value
442 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
444 * simplify-rtx.c (check_value_useless): Delete function.
445 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
447 (cselib_invalidate_regno): Likewise.
448 (cselib_invalidate_mem_1): Likewise.
449 (references_value_p): Recognize useless values by the fact that they
451 (discard_useless_values): Likewise.
452 (cselib_record_set): This may turn a useless value
455 2000-04-30 Richard Henderson <rth@cygnus.com>
457 * config/d30v: New port.
459 * configure.in (d30v-*): Set fp format.
460 * configure: Rebuild.
462 2000-04-30 Richard Henderson <rth@cygnus.com>
465 * Makefile.in (OBJS): Add it.
466 (ifcvt.o): New target.
467 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
468 and conditional arithmetic.
469 (find_insert_position): Remove.
470 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
471 * toplev.c (DFI_ce, DFI_ce2): New.
472 (dump_file): Add ce and ce2 dumps.
473 (rest_of_compilation): Run if_convert a couple o times. Set
474 cse_not_expected after cse2. Don't set no_new_pseudos until
475 after sched1 or recompute_reg_usage.
477 2000-04-30 Richard Henderson <rth@cygnus.com>
479 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
480 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
482 2000-04-30 Richard Henderson <rth@cygnus.com>
484 * flow.c (struct reg_cond_life_info): New.
485 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
486 (init_propagate_block_info): Initialize them.
487 (free_propagate_block_info): Destruct them.
488 (mark_set_1): Consider conditional life before killing a register.
489 (mark_regno_cond_dead): New.
490 (free_reg_cond_life_info): New.
491 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
492 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
493 (mark_used_reg): Record conditional life.
495 * haifa-sched.c (schedule_insns): Disable death counting
496 sanity check for HAVE_conditional_execution.
498 2000-04-30 Richard Henderson <rth@cygnus.com>
500 * Makefile.in (TIMEVAR_H): New.
501 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
502 (timevar.h): Remove rule.
504 2000-04-29 Richard Henderson <rth@cygnus.com>
506 * config/alpha/crtend.asm: Use C comments instead of #.
507 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
509 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
511 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
513 * cpphash.h (enum node_type: Take out T_MCONST.
514 (union hashval): Move into struct hashnode.
515 (struct hashnode): Pack tighter. Remove file, line, col
517 * cpphash.c: Constify most of the macro-definition structures.
518 (struct definition): Replace by struct object_defn
519 and struct funct_defn. Put file, line, column information
520 here. All users updated to match.
521 (_cpp_create_definition, _cpp_macroexpand): Remove special
522 case for #define WORD OTHERWORD.
523 * cpplib.c (do_undef): Remove T_MCONST case.
525 * cpphash.h: Move struct reflist, struct definition, and the
526 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
527 union hashval. _cpp_free_definition takes a HASHNODE pointer.
528 * cpphash.c (_cpp_free_definition): Free data pointed to by
529 MCONST, XCONST, MACRO, and FMACRO nodes properly.
530 (_cpp_create_definition, del_HASHNODE): Just call
531 _cpp_free_definition to clear out a hashnode.
532 * cpplib.c (do_pragma_poison): Likewise.
534 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
536 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
537 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
538 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
539 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
540 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
541 REGNO_AM33_P): Redefine in terms of the new macros.
542 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
543 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
544 STRUCT_VALUE): Likewise.
545 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
546 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
548 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
550 * regmove.c (struct record_stack_memrefs_data): New.
551 (record_stack_memrefs): New function.
552 (combine_stack_adjustments_for_block): Use it.
554 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
556 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
557 use special_function_p to detect alloca.
559 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
561 * gcc.texi: Fixes for makeinfo 4.0 --html.
563 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
565 * pcp.h: Delete file.
567 2000-04-28 Kazu Hirata <kazu@hxi.com>
569 * h8300.c (function_epilogue): Clean up flags when the last insn
570 in a function is a barrier.
572 2000-04-28 Chris Demetriou <cgd@sibyte.com>
574 * configure.in (sparc-hal-solaris2*): protect [] glob from
576 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
577 rather than hard-coded constants in target_cpu_default2.
578 * configure: Regenerate.
580 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
582 * tree.c (get_callee_fndecl): Extract the initial value from
585 2000-04-28 Richard Henderson <rth@cygnus.com>
587 * varasm.c (record_constant_1): Record the CODE_LABEL when
588 taking the address of a LABEL_REF.
590 2000-04-28 Richard Henderson <rth@cygnus.com>
591 Jan Hubicka <jh@suse.cz>
593 * calls.c (combine_pending_stack_adjustment_and_call): Return the
594 adjustment; don't do the stack adjust.
595 (expand_call): Call compute_argument_block_size right before
596 allocating the block; update comment; don't do alignment sanity
597 checking for sibling call; use args_size instead of
598 unadjusted_args_size before args_size is adjusted. Use
599 combine_pending_stack_adjustment_and_call to compute stack adjust
600 for must_preallocate case.
602 * expr.c (push_block): Remove shadow `temp' in inner scope.
604 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
606 * toplev.c (rest_of_compilation): Call
607 note_deferral_of_defined_inline_function even if the function
610 2000-04-28 Scott Bambrough <scottb@netwinder.org>
612 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
614 2000-04-28 Richard Henderson <rth@cygnus.com>
616 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
618 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
620 * timevar.c (init_timevar): DeANSIfy function definition.
622 2000-04-27 Alex Samuel <samuel@codesourcery.com>
624 * Makefile.in (timevar.o): Depend on flags.h.
625 * timevar.c (unused_stack_instances): New variable.
626 (timevar_push): Take a timevar_stack_def from
627 unused_stack_instances if available.
628 (timevar_pop): Push the popped timevar_stack_def onto
629 unused_stack_instances.
630 (TIMEVAR_ENABLE): New macro.
631 (timevar_def): Make standalone a 1-bit field. Add field used.
632 (get_time): Rename parameter to now. Return after clearing it if
634 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
635 (timevar_pop): Likewise.
636 (timevar_stop): Likewise.
637 (timevar_push): Likewise. Mark the timing variable as used.
638 (timevar_start): Likewise.
639 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
640 timevars that were never used.
642 2000-04-27 Mark Mitchell <mark@codesourcery.com>
644 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
645 always TREE_READONLY.
647 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
649 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
650 for call instruction with mode QImode.
652 2000-04-27 Alex Samuel <samuel@codesourcery.com>
654 * Makefile.in (OBJS): Add timevar.o.
655 (toplev.o): Depend on timevar.h.
656 (ggc-simple.o): Likewise.
657 (ggc-page.o): Likewise.
658 (timevar.o): New rule.
659 (timevar.h): New rule.
661 * timevar.h: New file.
662 * timevar.c: Likewise.
663 * timevar.def: Likewise.
665 * toplev.h (gc_time, parse_time, varconst_time): Remove.
666 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
668 (TIMEVAR): Remove macro.
669 (gc_time, parse_time, varconst_time, integration_time, jump_time,
670 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
671 flow_time, combine_time, regmove_time, sched_time,
672 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
673 sched2_time, dbr_sched_time, reorder_blocks_time,
674 rename_registers_time, shorten_branch_time, stack_reg_time,
675 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
677 (compile_file): Don't initialize time variables. Call
678 init_timevar and start TV_TOTAL timer. Call timevar_print instead
679 of many calls to print_time.
680 (rest_of_compilation): Add timing for reload_cse_regs.
681 (get_run_time): Removed to timevar.c.
682 (print_time): Likewise.
683 (get_run_time): Implement using TV_TOTAL time variable.
684 (print_time): Get total run time from get_run_time.
685 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
686 computing elapsed time explicitly.
687 * ggc-simple.c (ggc_collect): Likewise.
688 (gc_time): Remove declaration.
690 2000-04-27 Mark Mitchell <mark@codesourcery.com>
692 * calls.c (combine_pending_stack_adjustment_and_call): New function.
693 (expand_call): Use it.
695 2000-04-27 Jan Hubicka <jh@suse.cz>
697 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
700 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
702 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
705 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
707 * function.c (epilogue_done): Pass whole insn to record_insns.
709 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
711 * cse.c (CSE_ADDRESS_COST): Remove.
712 (find_best_addr): Add new parameter "MODE", use address_cost instead
715 (fold_rtx): Update call of find_best_addr.
716 * rtl.h (address_cost): Declare.
717 * loop.c (general_induction_var): Add new parameter "MODE", use
718 address_cost instead of ADDRESS_COST
719 (init_loop): Use address_cost instead of ADDRESS_COST.
720 (check_insn_for_givs): Update call of general_induction_var.
721 (find_mem_givs): Likewise.
722 (consec_sets_giv): Likewise.
723 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
724 * i386.c (ix86_address_cost): New.
725 * i386-protos.h (ix86_address_cost): Declare.
727 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
729 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
732 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
734 * expr.c (store_expr): Use clear_storage instead of direct memset
737 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
739 * config/mn10300/mn10300.c (mn10300_address_cost): Test
740 ASHIFT, AND and LABEL_REF.
742 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
744 * invoke.texi (-foptimize-sibling-calls): Fix.
746 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
748 * loop.c (load_mems) Don't use hard registers for the hoisting.
750 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
751 calculation; rename const_equiv array in the preconditioning code
752 from loop_unroll to loop_unroll_precondition
754 2000-04-27 Richard Henderson <rth@cygnus.com>
756 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
758 (propagate_one_insn): Clear it. Don't update reg_live here.
759 (init_propagate_block_info): Update for pbi member changes.
760 (free_propagate_block_info): Likewise.
761 (mark_set_1): Know that zero_extract, sign_extract, and
762 strict_low_part don't kill their argument. Alter hard subregs.
763 Update new_set for non-CLOBBER sets. Update reg_live.
764 (find_auto_inc): Update reg_live, not new_dead.
765 (mark_used_reg): Update reg_live, not new_live. Examine new_set
766 to determine if the reg in question was set this insn. Only update
767 reg info with PROP_REG_INFO.
769 2000-04-26 Richard Henderson <rth@cygnus.com>
771 * flow.c (allocate_reg_life_data): Set max_regno here ...
772 (life_analysis): ... not here.
774 * flow.c (calculate_global_regs_live): Force stack pointer
777 2000-04-26 Richard Henderson <rth@cygnus.com>
779 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
780 commit change group changes.
781 (invert_exp_1): Similarly.
782 (redirect_exp, invert_exp): Use them.
783 (redirect_jump_1): New.
784 (invert_jump_1): New.
785 (jump_optimize_1): Remove code subsumed by condexec.c.
786 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
788 2000-04-26 Richard Henderson <rth@cygnus.com>
790 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
792 * genconfig.c (main): Set all HAVE_foo to 1.
794 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
796 2000-04-26 Alex Samuel <samuel@codesourcery.com>
798 * invoke.texi: Document -fssa flag.
800 2000-04-26 Richard Henderson <rth@cygnus.com>
802 * flow.c (count_reg_sets_1): Remove.
803 (count_reg_sets, count_reg_references): Remove.
804 (recompute_reg_usage): Implement with update_life_info.
805 Reallocate life data.
807 2000-04-26 Richard Henderson <rth@cygnus.com>
809 * flow.c (update_life_info): Consider blocks null to mean the
811 (calculate_global_regs_live): Likewise.
812 (life_analysis): Do that instead of collecting all_blocks.
814 2000-04-26 Richard Henderson <rth@cygnus.com>
816 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
817 a still-valid conditional jump.
819 2000-04-26 Richard Henderson <rth@cygnus.com>
821 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
823 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
824 * flow.c (calculate_loop_depth): Remove.
825 * output.h (calculate_loop_depth): Don't declare.
826 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
827 inline; run estimate_probability at the same time.
829 2000-04-26 Neil Booth <NeilB@earthling.net>
831 * cpplib.h: "~=" is not a single pp-token.
832 * cpplex.c: Correct commentary.
834 2000-04-26 Richard Henderson <rth@cygnus.com>
836 * flow.c (mark_set_1): New arguments code and flags; update all
837 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
838 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
839 loop_depth when optimizing for size. Do new_dead update after
840 emitting REG_UNUSED notes. Merge mark_set_reg code.
841 (mark_set_reg): Remove.
842 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
843 arrange to not emit REG_UNUSED notes.
845 2000-04-26 Richard Henderson <rth@cygnus.com>
847 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
848 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
850 2000-04-26 Richard Henderson <rth@cygnus.com>
852 * flow.c (propagate_one_insn): Break out from propagate_block.
853 (init_propagate_block_info): Likewise.
854 (free_propagate_block_info): Likewise.
855 (propagate_block): Use them. Export.
856 * basic-block.h: Declare them all.
858 2000-04-26 Richard Henderson <rth@cygnus.com>
860 * basic-block.h (life_analysis): Declare here ...
861 * output.h: ... not here.
862 * flow.c (life_analysis): Remove nregs parameter; replace
863 remove_dead_code with flags. Remove ssa dead code check.
864 Only init alias analysis if we'll use it.
865 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
866 * ssa.c (convert_to_ssa): Likewise.
867 (convert_from_ssa): Likewise.
868 * toplev.c (rest_of_compilation): Likewise.
870 2000-04-26 Richard Henderson <rth@cygnus.com>
872 * flow.c (flow_delete_block): Rename from delete_block. Export.
873 * basic-block.h (flow_delete_block): Declare.
875 2000-04-26 David S. Miller <davem@redhat.com>
877 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
878 taking a PATTERN of it.
880 2000-04-26 <NeilB@earthling.net>
882 * cpplex.c (spell_other, spell_char): Remove.
884 (token_spelling, trigraph_map): Use unsigned chars.
885 (_cpp_lex_line): Tidy up the switch statement.
886 * cpplib.h: Implement spell_char with spell_string.
889 2000-04-26 <RodneyBrown@pmsc.com>
891 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
892 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
894 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
896 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
897 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
898 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
899 dwarf2out_return_save, dwarf2out_return_reg,
900 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
901 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
902 gen_compile_unit_die, dwarf2out_init): Constify a char*.
904 * dwarf2out.h (dwarf2out_init): Likewise.
906 * dwarfout.c (filename_entry, primary_filename, last_filename,
907 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
909 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
910 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
911 dwarf2out_return_reg): Likewise.
913 2000-04-26 Andreas Jaeger <aj@suse.de>
915 * extend.texi (Function Attributes): Fix description of pure
918 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
920 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
921 before calling rest_of_compilation.
923 2000-04-26 Andreas Jaeger <aj@suse.de>
925 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
928 2000-04-25 Richard Henderson <rth@cygnus.com>
930 * cse.c (cse_insn): Emit barrier after unconditional jump.
932 * calls.c (expand_call): Disable tail call generation once
933 rtx_equal_function_value_matters is false.
935 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
938 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
940 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
942 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
944 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
945 is the primary DIE for a member function.
946 (gen_decl_die): Call set_decl_origin_self here.
947 * dwarfout.c (output_decl): And here.
948 * integrate.c (output_inline_function): Not here.
949 Don't clear DECL_INLINE until after calling rest_of_compilation.
950 (set_decl_origin_self): No longer static.
951 * tree.h: Add prototype.
952 * toplev.c (note_deferral_of_defined_inline_function): Only write
953 out abstract instance for actual inlines.
955 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
957 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
958 EXTENDED_REGS only if TARGET_AM33.
959 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
960 SP_REGS to register allocation and reloading unless absolutely
962 (movsi3): Remove special-case of adding non-constants to SP.
964 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
966 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
967 INCLUDES to search and does not provide any of its own. Also it
968 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
969 parameters. Also it does not call AC_DEFINE.
970 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
971 AC_DEFINE and provides for automatic entries for autoheader.
972 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
974 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
975 so we can pass -I flags and include gansidecl.h/system.h in this
978 * acconfig.h: Delete all NEED_DECLARATION_* entries.
980 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
982 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
983 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
984 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
986 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
987 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
988 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
989 for these macros. Clean up spacing and linewraps.
991 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
993 * calls.c (expand_call): Use get_callee_fndecl.
995 * print-tree.c (print_node): Print the chain of an _EXPR.
997 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
998 Jim Wilson <wilson@cygnus.com>
999 Andrew Haley <aph@cygnus.com>
1001 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
1002 and gp save/restore problems.
1003 * config/ia64/crtend.asm: Add IA-64 unwind support.
1004 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
1005 in fr_pad_size calculation.
1006 (save_restore_insns): Move PR save area. Correct uses of
1007 RTX_FRAME_RELATED_P.
1008 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
1009 (ia64_expand_epilogue): Add eh_epilogue support.
1010 (ia64_function_prologue): Emit .prologue directive.
1011 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
1012 (ia64_override_options): Set init_machine_status and
1013 mark_machine_status.
1014 (rtx_needs_barrier): Handle bsp reads and writes.
1015 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
1016 New static variables.
1017 (process_set, process_for_unwind_directive): New functions.
1018 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
1019 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
1020 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
1022 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
1023 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
1024 (struct machine_function): Define.
1025 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
1027 2000-04-25 Bruce Korb <bkorb@gnu.org>
1029 * fixinc/Makefile.in: make the removal of old programs more
1031 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
1032 install-bin and install-sh
1034 2000-04-25 Nick Clifton <nickc@cygnus.com>
1036 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
1037 defined, define to return zero.
1038 (function_cannot_inline_p): If a function has any target
1039 specific attributes, then use the macro
1040 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
1041 whether it can be inlined. If it cannot, issue a suitable
1044 * tm.texi: Add a new node 'Inlining' to document the new macro
1045 FUNCTION_ATTRIBUTE_INLINABLE_P.
1047 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
1049 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
1052 2000-04-25 Neil Booth <NeilB@earthling.net>
1054 Restore previous patch, plus the following fixes:
1056 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
1057 flags, not CPP_OPEN_PAREN.
1058 * cpplex.c (expand_token_space, init_token_list,
1059 cpp_free_token_list): Put the dummy token at list->tokens[-1].
1060 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
1062 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1064 * config/i386/freebsd.h (INT_ASM_OP): Define.
1066 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
1068 * loop.c (strength_reduce): Fix typo in the last checkin.
1070 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1072 * stor-layout.c (finalize_record_size): Simplify to use existing
1074 (compute_record_mode): No longer static.
1075 * tree.h (compute_record_mode): New declaration.
1077 2000-04-25 Neil Booth <NeilB@earthling.net>
1079 * Revert my patch below until cause of build failures
1082 2000-04-25 Richard Henderson <rth@cygnus.com>
1084 * combine.c (combine_instructions): Add missing argument
1087 * toplev.c (rest_of_compilation): Delay sibcall optimization
1088 until after emit_eh_context.
1090 2000-04-24 Nick Clifton <nickc@redhat.com>
1092 * combine.c (combine_instructions): Do not try to combine a
1093 sequence of insns when the second insn has been replaced by a
1096 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
1098 * gcc.c (load_specs): New static function.
1099 (read_specs): Use it.
1101 * gcc.c (lookup_compiler): Make multiple passes for case
1102 insensitive filesystems.
1104 2000-04-24 Neil Booth <NeilB@earthling.net>
1106 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
1107 * cpphash.h (_cpp_check_directive): new.
1108 * cpplex.c (handle_newline, cpp_free_token_list,
1109 init_trigraph_map, trigraph_ok, trigraph_replace,
1110 backslash_start, skip_block_comment, skip_line_comment,
1111 skip_whitespace, parse_name, parse_number, parse_string,
1112 copy_comment, _cpp_lex_line, spell_char, spell_string,
1113 spell_comment, spell_name, spell_other, _cpp_lex_file,
1114 _cpp_output_list): new.
1115 (expand_name_space): take length argument.
1116 (init_token_list): add comment list initialisation.
1117 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
1118 instead of HSPACE_BEFORE.
1120 * cpplib.c (_cpp_check_directive): new
1121 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
1122 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
1123 (HSPACE_BEFORE): delete.
1124 (TTYPE_TABLE): rearrange.
1125 (struct cpp_toklist): update.
1127 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1129 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
1130 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
1131 argument form of AC_DEFINE.
1133 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
1134 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
1135 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
1136 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
1137 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
1139 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
1141 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1143 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
1144 deduced.h): Use -isystem, not -I, for including system headers.
1146 2000-04-24 Nick Clifton <nickc@cygnus.com>
1148 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
1149 the source register is the frame pointer or arg pointer.
1150 (addsi3_small_int): Disallow if source register is the frame
1151 pointer or arg pointer.
1153 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1155 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
1156 call to AC_MSG_RESULT.
1158 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1160 * invoke.texi: Correct grammatical errors, document
1161 -fno-gnu-keywords as identical to -fno-asm for C++.
1163 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1165 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
1166 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
1167 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
1168 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
1169 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
1171 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
1172 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
1173 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
1174 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
1177 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
1179 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
1180 (pop_alignment): Likewise.
1181 (handle_pragma_token): Likewise.
1183 2000-04-24 Robert Lipe <robertlipe@usa.net>
1185 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
1187 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
1189 * combine.c (try_combine): Update reg_nonzero_bits of
1190 newi2pat before newpat.
1192 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
1194 * loop.c (strength_reduce): Simplify test to INSN_P.
1195 (record_giv): Attempt to simplify the add value, use CONSTANT_P
1196 expressions instead of CONST_INT.
1197 (express_from_1): Likewise.
1199 2000-04-24 Mark Mitchell <mark@codesourcery.com>
1201 * regs.h (reg_n_max): Don't declare.
1202 * flow.c (reg_n_max): Don't define.
1203 * regclass.c (renumber): Don't initialize to zero.
1204 (regno_allocated): Likewise.
1205 (reg_n_max): Define.
1206 (allocate_reg_info): Don't initialize unnecessarily.
1208 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
1210 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
1211 and blockage_p in the newly allocated attribute.
1213 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
1215 * config/mn10300/mn10300.md (addsi): `inc4' on address
1216 registers does not modify cc, but `inc' on an extended
1219 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
1221 * reload.c (find_equiv_reg): Checks all valueno regs
1222 as a reload_reg_p regs.
1224 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
1226 * cpphash.c (collect_objlike_expansion): Add sanity check.
1227 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
1228 the buffer is the empty string, return. Mark __DATE__ and
1229 __TIME__ as XCONST nodes, not MCONST.
1230 (_cpp_macroexpand): Avoid pushing an empty buffer.
1231 (funlike_macroexpand): Don't pop token_buffer here.
1233 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
1235 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
1236 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
1237 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
1238 (REGNO_OK_FOR_BASE_P): Define in terms of them.
1239 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
1240 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
1241 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
1243 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1245 * loop.c (simplify_giv_expr): Be more agressive on simplifying
1248 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
1250 * cpphash.h (struct definition): Move file, line, col members...
1251 (struct hashnode): ... here. Also add 'disabled' flag.
1252 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
1253 T_IDENTITY. Remove T_DISABLED.
1256 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
1257 (collect_expansion): Split into collect_objlike_expansion and
1258 collect_funlike_expansion.
1259 (_cpp_macroexpand): Split out scan_arguments, stringify, and
1260 funlike_macroexpand.
1261 (_cpp_compare_defs): Rename compare_defs, make static.
1262 (_cpp_make_hashnode): Initialize hp->disabled.
1263 (macro_cleanup): Adjust for new token types. Clear
1265 (_cpp_create_definition): Move code here to determine what
1266 sort of macro it is, and code to check for redefinitions, from
1267 do_define. Implement a few simple cases without creating a
1269 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
1270 Handle the simple cases.
1271 (push_macro_expansion): Set buf->has_escapes and hp->disabled
1274 * cppinit.c (builtin_array): Change MCONST to XCONST
1276 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
1277 fix check for disabled and function-like macros.
1278 * cpplib.c (do_define): Move most logic to
1279 _cpp_create_definition.
1280 (do_undef): Handle new special token types.
1282 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
1284 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
1285 of CONSTANT_P for mult_val; always use validate_change to update insn.
1287 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
1289 * cpphash.c (trad_stringify, add_pat): New functions.
1290 (collect_expansion): Restore support for -traditional syntax.
1291 Use trad_stringify and add_pat.
1292 (_cpp_macroexpand): Restore support for -traditional semantics.
1293 * cpplex.c (_cpp_scan_line): Don't change space_before if we
1294 get a COMMENT token.
1295 (_cpp_lex_token): Provide COMMENT tokens to caller if
1296 traditional and parsing_define_directive.
1297 (skip_comment): Warn about // comments if -Wtraditional.
1298 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
1300 (do_undef): Don't warn about undefining EMPTY nodes.
1302 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
1304 * loop.c (strength_reduce): Fix biv removal code.
1306 2000-04-22 Richard Henderson <rth@cygnus.com>
1308 * predict.c (estimate_probability): Examine both sides of
1309 a branch for no exits. Use 90% not 50% for predict taken.
1310 Reorg for one copy of note generation code.
1312 2000-04-22 Richard Henderson <rth@cygnus.com>
1314 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
1316 2000-04-22 Richard Henderson <rth@cygnus.com>
1318 * diagnostic.c (init_output_buffer): Don't initialize format_args.
1319 (output_clear): Likewise.
1320 (output_printf): Use va_copy.
1321 (vline_wrapper_message_with_location): Likewise.
1322 (v_message_with_decl): Likewise.
1323 (line_wrapper_printf): VA_START infor buffer.format_args directly.
1324 * system.h (va_copy): Provide default implementation.
1326 2000-04-22 Richard Henderson <rth@cygnus.com>
1328 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
1329 the collected condition is not a constant.
1331 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
1333 * diagnostic.h: New file.
1335 * Makefile.in (diagnostic.o): Depends on diagnostic.h
1337 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
1338 various function prototypes.
1339 (diagnostic.h): #include.
1340 (struct output_buffer): Move into diagnostic.h.
1341 (get_output_prefix): Rename to output_get_prefix. Export.
1342 (init_output_buffer): Export. Break out. Ajust intialization.
1343 (output_space_left, output_append): Export.
1344 (output_newline): Rename to output_add_newline. Export.
1345 (output_clear): Nullify additional output_buffer fields.
1346 (output_puts): Rename to output_add_string. Export.
1347 (dump_output): Rename to output_flush_on. Export.
1348 (build_location_prefix): Constify return-type.
1349 (emit_output_prefix): Rename to output_emit_prefix. Export.
1350 (set_real_maximum_length): New function.
1351 (output_set_maximum_length): Ditto
1352 (output_clear): Ditto.
1353 (output_add_character): Ditto.
1354 (output_add_integer): Ditto.
1355 (output_add_space): Ditto.
1356 (output_format): Ditto.
1357 (output_printf): Adjust buffer initialization.
1358 (vline_wrapper_message_with_location): Ditto.
1359 (v_message_with_decl): Ditto. Adjust call to output_puts
1360 and get_output_prefix.
1361 (default_print_error_function): Adjust buffer intialization.
1363 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1365 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
1368 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
1370 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
1373 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
1375 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
1376 accurate data about SP moves.
1378 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
1380 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
1381 aliases to AM33 registers.
1383 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
1385 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
1386 to all EXTENDED bitmaps.
1388 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
1390 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
1391 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
1392 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
1394 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
1396 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
1397 the operand is not constant.
1399 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
1401 * reload.c (find_equiv_reg): Checks all valueno and regno regs
1402 as a call-clobbered regs.
1404 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1406 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
1408 * rtl.def: Update comment.
1409 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
1410 * integrate.c (expand_inline_function): Likewise.
1411 * profile.c (branch_prob): Likewise.
1412 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
1413 * print-rtl.c (print_rtx): Likewise.
1414 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
1415 (reemit_notes): Likewise; also use enum insn_note.
1417 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
1418 (place_field): Properly compute know and actual alignment.
1420 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
1423 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
1426 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
1428 * cpphash.c (struct arg, struct arglist): Const-ify strings.
1429 (warn_trad_stringify, duplicate_arg_p): New helper functions.
1430 (collect_expansion): Rewrite to scan over a token list.
1431 Remove -traditional support.
1432 (collect_formal_parameters): Rename to collect_params; rewrite
1433 to scan over a token list.
1434 (_cpp_create_definition): Adjust to scan a token list.
1435 (_cpp_macroexpand): Remove -traditional support.
1436 (_cpp_compare_defs): Whitespace is now canonicalized.
1437 (comp_def_part): Delete function.
1439 * cpphash.h: Update prototypes.
1440 * cpplex.c (init_token_list): Don't set lineno if there is no
1442 (pedantic_whitespace): New function.
1443 (_cpp_scan_line): Mark tokens that had hspace before. Don't
1444 consume a newline. Use pedantic_whitespace.
1445 (_cpp_lex_token): Remove support for -traditional macros.
1446 (_cpp_get_define_token): Delete.
1447 (_cpp_get_directive_token): Do the real work here. Use
1448 pedantic_whitespace.
1449 (_cpp_init_input_buffer): Initialize pfile->directbuf.
1451 * cpplib.c (get_macro_name): Delete.
1452 (do_define): Read the entire line into pfile->directbuf, then
1453 feed the token list to _cpp_create_definition.
1454 * cpplib.h (HSPACE_BEFORE): new define.
1455 (struct cpp_reader): Add a toklist member, "directbuf".
1457 * predict.c (estimate_probability): New heuristic: if a jump
1458 branches around a block with no successors, predict it taken.
1459 Disentangle control flow.
1461 2000-04-20 Richard Henderson <rth@cygnus.com>
1463 * loop.c (emit_iv_add_mult): Revert last change.
1465 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1467 * cpplib.h (enum cpp_ttype): Add token types for all
1468 punctuators. Distinguish pp-numbers from valid C numbers.
1469 Give some tokens better names. Initialize from macro.
1470 (struct cpp_name, cpp_token, cpp_toklist): New data
1473 * cpplex.c (bump_column, expand_name_space,
1474 expand_token_space, init_token_list, cpp_output_list,
1475 _cpp_scan_line): New functions.
1476 (output_line_command): Add third argument, new line number.
1477 * cpphash.h: Update prototypes.
1478 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
1481 2000-04-20 Richard Henderson <rth@cygnus.com>
1483 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
1485 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1487 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
1490 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
1492 * loop.c (emit_iv_add_mult): Simplify it's input and emit
1493 REG_EQUAL note explaining the calculated value.
1495 * calls.c (expand_call): Avoid unnecesary precalculation
1496 and outgoing parameters space guarding for sibling calls.
1497 (store_one_arg): Likewise.
1499 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1501 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
1502 (rest_of_compilation): Write sibling dump file and account
1503 for time as jump time.
1504 * invoke.texi: Update documentation on dump flags.
1506 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
1508 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
1510 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
1512 * cpphash.c (special_symbol): Represent an empty macro with
1513 "\r \r " not just "\r ".
1514 (_cpp_macroexpand): Correct condition for the foo ( ) special
1516 (unsafe_chars): Handle EOF as second argument.
1517 (push_macro_expansion): Simplify test for removing escape at
1518 end. Do not trim both escapes if there is no text in between.
1520 2000-04-19 Jim Blandy <jimb@redhat.com>
1522 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
1523 of PTR_SIZE, when appropriate.
1525 2000-04-19 Mark Mitchell <mark@codesourcery.com>
1527 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
1528 (USE_ENUM_BITFIELDS): Fix typo.
1530 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1532 * stor-layout.c (place_field): Set rli->offset_align properly.
1534 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1536 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
1537 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
1538 PARM_BOUNDARY): Remove unnecessary casts.
1540 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
1542 * calls.c (precompute_arguments): Remove must_preallocate and
1544 (expand_call): Update call of precompute_arguments.
1546 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
1547 check_insn_for_givs): Break out from ...
1548 (strength_reduce) ... here; use for_every_insn_in_loop to call
1549 check_insn_for_givs.
1550 * loop.h (for_every_insn_in_loop): Declare.
1551 (loop_insn_callback): New type.
1553 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1555 * cpplib.c (do_pragma_poison): Strings in the token buffer are
1558 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
1560 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
1563 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1565 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
1567 * configure.in: Delete --disable-cpplib option and all
1568 references to cpp_main.
1569 * configure: Regenerate.
1570 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
1571 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
1572 cccp.o, cccp, or cppmain. Link cppmain.o straight to
1573 cpp$(exeext). Add --no-headers to makeinfo command line when
1574 generating INSTALL. Install and uninstall cpp.1 manpage, not
1576 * install.texi: Delete all references to cexp.y/cexp.c.
1577 Delete ancient instructions for compiling GCC on 3b1.
1578 * INSTALL: Regenerate.
1580 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
1581 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
1582 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
1584 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
1585 which is no longer tested anywhere.
1587 * cppinit.c (handle_option): Don't run error message through
1590 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1592 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
1593 * cpperror.c (hashtab.h): Now include.
1594 * cppexp.c (hashtab.h): Likewise.
1595 * cpplex.c (hashtab.h): Likewise.
1596 * cppfiles.c (hashtab.h): Likewise.
1597 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
1598 to htab_find_slot_with_hash.
1599 * cpphash.c (hashtab.h): Now include.
1600 (_cpp_lookup_slot): INSERT is now enum insert_option.
1601 * cpphash.h (_cpp_lookup_slot): Likewise.
1602 * cppinit.c (hashtab.h): Include earlier.
1603 (initialize_builtins): Pass enum to htab_find_slot.
1604 * cpplib.c (hashtab.h): Now include.
1605 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
1606 (do_pragma_poison, do_assert): Likewise.
1607 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
1608 htab_find_slot_with_hash.
1609 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
1610 * tree.c (type_hash_add): Likewise.
1611 (build1): Minor cleanup.
1613 * ggc-common.c: Add missing blanks.
1614 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
1615 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
1617 * stmt.c (mark_case_node): New function.
1618 (mark_case_nesting): Call it.
1620 * expmed.c (emit_store_flag): If comparing two-word integer
1621 with zero, can optimize NE, EQ, GE, and LT.
1623 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
1624 * conflict.c: Minor cleanups.
1625 * optabs.c: Add blank line
1626 * simplify-rtx.c: Minor cleanups.
1628 2000-04-18 Stan Cox <scox@cygnus.com>
1630 * gengenrtl.c (genlegend): Fix misspelling.
1632 2000-04-18 Robert Lipe <robertlipe@usa.net>
1634 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
1635 bitfields of the host compiler are not signed quantities.
1636 * config.in: Regenerate.
1637 * configure: Regenerate.
1638 * system.h (USE_ENUM_BITFIELDS): Added.
1639 (ENUM_BITFIELDS): Added.
1640 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
1641 (SHORT_ENUM_BUG): Deleted.
1642 * tree.h (tree_common): Members `code', `mode', `built_in_class',
1644 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
1645 (CODE_FIELD_BUG): Likewise.
1646 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
1648 * config/m68k/x-ccur (X_CFLAGS): Likewise.
1650 2000-04-18 Mark Mitchell <mark@codesourcery.com>
1652 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
1655 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1657 * cppexp.c (lex): Don't assume tokens are NUL terminated.
1658 * cpplib.c (do_include, do_import, do_include_next,
1659 read_line_number, detect_if_not_defined): Likewise.
1660 * cpphash.c (collect_expansion): Likewise.
1661 (special_symbol, _cpp_macroexpand): Check return from
1663 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
1664 macros. Delete all uses.
1666 * gcc.dg/cpp-mi.c: Add two more test cases.
1667 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
1669 2000-04-17 Richard Henderson <rth@cygnus.com>
1671 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
1672 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
1674 2000-04-17 Mark Mitchell <mark@codesourcery.com>
1676 * function.c (expand_function_start): Use hard_function_value to
1677 compute the RTL to use for DECL_RESULT.
1679 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
1681 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
1682 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1683 x86_memory_mismatch_stall): New global variables.
1684 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
1685 alloved; fix load penalties for Athlon.
1686 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1687 x86_memory_mismatch_stall): Declare.
1688 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
1689 TARGET_MEMORY_MISMATCH_STALL): New.
1690 * i386.md (athlon scheduling parameters): Fix latencies according to
1691 Athlon Optimization Manual.
1692 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
1694 (fsqrt instruction patterns): Set athlon_decode to direct.
1695 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
1696 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
1697 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
1698 and TARGET_PARTIAL_REGISTER_STALL machines.
1699 (pushdf_nointeger): New pattern.
1700 (pushdf_integer): Rename from pushdf.
1701 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
1702 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
1704 2000-04-17 Richard Henderson <rth@cygnus.com>
1706 * loop.c (canonicalize_condition): Add WANT_REG argument.
1707 Stop the search if we match it.
1708 * expr.h (canonicalize_condition): Update decl.
1709 * predict.c (expected_value_to_br_prob): Use it. Track last
1710 expected value note.
1711 (find_expected_value): Remove.
1713 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
1715 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1717 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
1718 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
1720 * configure.in: Call AC_FUNC_MMAP_FILE.
1721 * configure: Regenerate.
1722 * config.in: Regenerate.
1724 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
1725 * fixinc/fixincl.c: Likewise.
1727 2000-04-17 Richard Henderson <rth@cygnus.com>
1729 * builtins.c (expand_builtin_expect): New.
1730 (expand_builtin): Call it.
1731 * builtins.def (BUILT_IN_EXPECT): New.
1732 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
1733 * extend.texi: Document it.
1735 * predict.c (expected_value_to_br_prob): New.
1736 (find_expected_value): New.
1737 * basic-block.h (expected_value_to_br_prob): Declare.
1738 * toplev.c (rest_of_compilation): Invoke it.
1740 * rtl.h (NOTE_EXPECTED_VALUE): New.
1741 (NOTE_INSN_EXPECTED_VALUE): New.
1742 * rtl.c (note_insn_name): Update.
1743 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
1744 cases; handle NOTE_INSN_EXPECTED_VALUE.
1746 2000-04-17 Jakub Jelinek <jakub@redhat.com>
1748 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
1749 leaf sibcall delay slot if flag_pic.
1750 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
1752 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1754 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
1756 * fixproto: If fix-header fails, exit with an error.
1758 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1760 * cse.c (struct check_depdendence_data): New.
1761 (check_dependence): New function.
1762 (invalidate): Use check_depdenence.
1764 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1766 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
1767 UNITS_PER_WORD is unsigned.
1769 * tree.h (struct tree_common): Remove misleading comment.
1771 2000-04-16 Dave Pitts <dpitts@cozx.com>
1773 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
1774 message in quotes. Otherwise, IBM's make program treats the '#' as the
1775 start of a comment and ignores the remainder of the line.
1777 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
1779 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
1780 * cexp.y (initialize_random_junk): Likewise.
1781 * cppfiles.c (find_include_file): Cast alloca return value.
1782 * cppinit.c (initialize_standard_includes): Likewise.
1783 * cpplib.c (cpp_define, cpp_undef): Likewise.
1784 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
1785 * final.c (output_asm_insn): Allow for holes in EBCDIC.
1786 * fold-const.c (CHARMASK): New.
1787 (real_hex_to_f): Use it.
1788 * real.c (CHARMASK): New.
1789 (etoasc, asctoeg): Use it.
1790 (asctoeg): EBCDIC lower case characters preceed upper case.
1792 * i370.c (mvs_add_label): Change spacing for coding conventions.
1793 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
1794 outputing case vectors.
1795 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
1796 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
1797 since vector in in the data CSECT.
1798 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
1799 * i370.md (Many patterns): Put the length in the XL directives.
1800 (movdi): Put back STM and MVC in definition.
1801 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
1802 pattern using the TCA.
1803 * oe.h (CPP_SPEC): Added to allow trigraphs.
1804 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
1805 not support the "long long" type.
1807 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1809 * config/mips/mips-protos.h (mips_legitimate_address_p): New
1811 (mips_reg_mode_ok_for_base_p): Likewise.
1812 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
1813 (REG_OK_FOR_INDEX_P): Define unconditionally.
1814 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
1815 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
1816 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
1817 that GET_MODE_SIZE is unsigned.
1818 (mips_reg_mode_ok_for_base_p): Define.
1819 (mips_legitimate_address_p): Likewise. Adjust now
1820 that GET_MODE_SIZE is unsigned.
1821 (block_move_loop): Make the number of bytes unsigned.
1822 (expand_block_move): Likewise.
1823 (function_arg): Make the loop counter unsigned to match the
1826 2000-04-16 Richard Henderson <rth@cygnus.com>
1828 * rtl.h (enum insn_note): New enumeration. Subsume
1829 NOTE_INSN_DELETED and friends.
1830 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
1831 * rtl.c (note_insn_name): Tweak string order.
1833 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
1835 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
1838 * cpplex.c (output_line_command): Remove debugging prints.
1839 (cpp_output_tokens): Don't write out a zero-length buffer or
1840 try to see if it has a newline in it.
1841 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
1842 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
1843 the end of the loop. Use memmove. Don't read past the end of
1844 the buffer. Remove trailing newlines from error messages.
1846 2004-04-16 Neil Booth <NeilB@earthling.net>
1848 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
1849 * cpplib.c: Add new syntax flags to directive table, and
1852 2000-04-15 Ulrich Drepper <drepper@redhat.com>
1854 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
1857 2000-04-15 David Edelsohn <edelsohn@gnu.org>
1859 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
1860 * haifa-sched.c: Update -fsched-verbose comments to use "=".
1862 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1864 * Makefile.in (ggc-page.o): Now includes toplev.h.
1865 * ggc-page.c (toplev.h): Now included.
1866 (gc_time): Remove declaration.
1867 (ggc_collect): TIME now long.
1868 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
1870 * toplev.h (gc_time, parse_time, gc_time): New declarations.
1872 * toplev.c: Make *_time variable long to reduce chance of overflow.
1873 (TIMEVAR): Likewise for `otime'.
1874 (print_time): Arg is now long; compute percentage in FP and round.
1875 * toplev.h (print_time): Arg is long.
1877 * tree.c: Minor whitespace changes.
1879 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
1880 * configure: Rebuilt.
1881 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
1882 (__fixunsxfDI): Renamed from __fixunsxfdi.
1883 (__fixunsdfDI): Renamed from __fixunsdfdi.
1884 (__fixunssfDI): Renamed from __fixunssfdi.
1885 (__floatdisf): Use proper type in REP_BIT macro.
1886 (__fixunsxfSI): Renamed from __fixunsxfsi.
1887 (__fixunsdfSI): Renamed from __fixunsdfsi.
1888 (__fixunssfSI): Renamed from __fixunssfsi.
1889 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
1890 Change location of macros and upper-case some names as above.
1891 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
1892 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
1894 * varasm.c (assemble_variable): Add cast to remove warning.
1895 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
1897 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
1898 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
1899 region number to -1.
1901 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
1903 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
1904 call unshare_all_rtl.
1906 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
1908 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
1910 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
1911 Use .s1 not .s0 for all FP instructions.
1913 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
1915 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
1917 (safe_fwrite, output_line_command): New static functions.
1918 (cpp_expand_to_buffer): Now private to cpplib.
1919 (cpp_scan_buffer): Take a printer.
1921 * cpphash.h: Update prototypes.
1922 * cpplib.h: Update prototypes.
1924 (cpp_buffer): Remove last_nominal_fname.
1925 (cpp_reader): Remove lineno.
1927 * cppmain.c: Use a cpp_printer.
1928 * fix-header.c: No need to inhibit line commands. Call
1929 cpp_start_read with no printer.
1931 * cpperror.c (cpp_notice_from_errno): Provide default name.
1932 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
1933 (find_include_file, cpp_read_file): Use make_IHASH.
1934 (file_cleanup): Set control_macro and clear
1935 input_stack_listing_current here.
1936 (_cpp_execute_include): Don't output entering-file marker.
1937 * cpphash.c (special_symbol): Look for the line number in the
1938 buffer, not the reader.
1939 (_cpp_macroexpand): No need to disable line commands.
1940 (_cpp_dump_definition): No need to generate line commands.
1941 (dump_hash_helper): Remove excess newline from output.
1942 * cppinit.c (dump_special_to_buffer): No need to generate line
1944 (cpp_printer_init): New.
1945 (cpp_start_read): Take a printer, and start it up if it's not
1946 NULL. No need to generate line commands.
1947 (cpp_finish): Expect no buffers stacked at all. Take a
1948 printer argument, and flush the output buffer if it's not
1950 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
1951 Don't put two hashes at the beginning of an assertion.
1952 (cpp_get_token): Don't increment pfile->lineno or emit line
1953 commands here. Return EOF if there's no buffer when we get
1955 * cpplib.c (do_define, skip_if_group):
1956 No need to disable line commands.
1957 (_cpp_output_line_command): Delete function.
1958 (do_line): Don't emit line commands here, but set things up so
1959 they will be emitted if necessary. Use _cpp_fake_ihash to
1960 make unique nominal_fnames if necessary.
1961 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
1962 with 0 for column, not -1.
1963 (_cpp_handle_eof): Don't set the control macro here. Don't
1964 clear input_stack_listing_current here. Don't emit line
1967 2000-04-14 Geoff Keating <geoffk@cygnus.com>
1969 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
1970 always, use the default SVR4 start address.
1972 * config/rs6000/linux.h (LINK_SPEC): Don't define.
1973 (LINK_SHLIB_SPEC): Define.
1974 (LINK_START_DEFAULT_SPEC): Define.
1975 (LINK_OS_DEFAULT_SPEC): Define.
1977 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
1979 * config/rs6000/eabi.asm (__eabi): Call __init rather than
1980 __do_global_ctors to handle constructors.
1981 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
1982 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
1983 (STARTFILE_MVME_SPEC): Likewise.
1984 (STARTFILE_SIM_SPEC): Likewise.
1985 (ENDFILE_ADS_SPEC): Use crtend.
1986 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
1987 (ENDFILE_MVME_SPEC): Likewise.
1988 (ENDFILE_SIM_SPEC): Likewise.
1989 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
1990 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
1991 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
1992 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
1993 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
1994 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
1995 (CRTSTUFF_T_CFLAGS_S): Define.
1996 * config/rs6000/eabi-ctors.c: Delete.
1998 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
2001 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
2005 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
2007 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
2008 plus mask size is smaller or equal to the mode size.
2010 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2012 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
2015 * expr.c (reload.h): Now included.
2016 (emit_block_move): Set volatile_ok when checking for movstr.
2017 (emit_move_1): Check for replacements in addresses in multi-word case.
2018 * Makefile.in (expr.o): Now includes reload.h.
2020 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
2021 Never have a LIBCALL end a basic block.
2022 (find_basic_blocks_1): Likewise.
2023 Reorganize CALL_INSN cases.
2025 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
2027 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
2029 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
2030 completers from mov.ret instruction.
2032 2000-04-14 Richard Henderson <rth@cygnus.com>
2034 * fold-const.c (extract_muldiv): Don't distribute and widen
2035 multiply across plus for non-sizetype unsigned types.
2037 2000-04-14 Richard Henderson <rth@cygnus.com>
2039 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
2040 If the original source is dead in the incr insn, it's dead now.
2042 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2044 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
2045 see if DECL_BIT_FIELD needs to still be set.
2047 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
2049 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
2050 print_int_cst_octal with something that's not an INTEGER_CST.
2052 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
2053 and not a SUBREG to a FLOAT rtl.
2055 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
2057 * emit-rtl.c (try_split): Avoid infinite loop if the split
2058 results in a sequence that contains the original insn.
2060 2000-04-13 Andreas Jaeger <aj@suse.de>
2062 * config/mips/mips.c (expand_block_move): Pass alignment
2063 argument to move_by_pieces in bits, not bytes.
2065 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
2066 __pic__ for little endian.
2068 2000-04-13 Andreas Jaeger <aj@suse.de>
2070 * config/i386/i386-protos.h: Add prototype for
2071 uno_comparison_operator.
2073 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
2075 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
2076 * calls.c (ECF_PURE): New flag.
2077 (emit_call_1): Handle ECF_PURE calls.
2078 (initialize_argument_information): Unset ECF_PURE flag too.
2079 (precompute_arguments): Precompute for ECF_PURE too.
2080 (expand_call): Handle ECF_PURE calls too.
2081 (emit_library_call_value_1): Rename no_queue argument to fn_type,
2082 accept value of 2 as pure function.
2083 (emit_library_call_value, emit_library_call): Rename no_queue argument
2085 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
2087 * tree.h (DECL_IS_PURE): New macro.
2088 (struct tree_decl): Add pure_flag.
2089 * c-common.c (enum attrs): Add attribute "pure".
2090 (init_attributes): Initialize attribute "pure"
2091 (decl_attributes): Handle attribute "pure".
2092 * extend.texi (Attribute "pure"): Document.
2093 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
2095 (flags_from_decl_or_type): Support attribute "pure".
2097 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
2099 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
2100 the token except for numbers and identifiers.
2102 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
2104 * i386.c (ix86_expand_binary_operator,
2105 ix86_expand_unary_operator): Check no_new_pseudos
2106 instead of reload_in_progress and reload_completed.
2107 (ix86_split_ashldi, ix86_split_ashrdi,
2108 ix86_split_lshrdi): Check no_new_pseudos instead
2109 of reload_completed.
2111 2000-04-12 Jeffrey A Law (law@cygnus.com)
2113 * function.c (purge_addressof): Unshare any shared rtl created by
2114 purge_addressof and its children.
2116 2000-04-12 Mark Mitchell <mark@codesourcery.com>
2118 * function.c (aggregate_value_p): VOID_TYPE nodes are never
2121 2000-04-05 Andreas Jaeger <aj@suse.de>
2123 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
2124 not compiling PIC code, add flags for mabi=64.
2125 (SUBTARGET_CPP_SIZE_SPEC): New.
2126 (SUBTARGET_CPP_SPEC): New.
2127 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
2128 for MIPS/Linux and lots of code needs these defines.
2130 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
2132 * reorg.c (fill_slots_from_thread): Check side_effects_p when
2133 trying the "opposite arithmetic" approach.
2135 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2137 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
2138 (struct sh_args): Add new field force_mem.
2139 (INIT_CUMULATIVE_ARGS): Initialize it.
2140 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
2142 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
2144 * calls.c (expand_call): Do not reverse args in "equal from" field.
2145 (emit_library_call_value_1): Emit_libcall_block for const and pure
2148 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2150 * reload1.c (reload_combine): Don't enable optimization for fixed
2151 registers when encountering a BARRIER.
2153 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
2155 * builtins.c (expand_builtin_memcmp): Do expansion even with
2156 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
2158 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
2159 stack is propertly aligned; add sanity checking for aligned
2161 (expand_library_call_value_1): Add sanity checking for aligned
2164 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
2166 * calls.c (emit_library_call_value_1): Change 3rd arg to
2167 locate_and_pad_parm to disregard the setting of partial.
2169 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2171 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
2173 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
2174 CALL_INSN from the normal case.
2176 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
2178 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
2179 New global variables.
2180 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
2182 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
2184 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
2185 TARGET_ADD_ESP_8): New macros.
2186 * i386.md: Add peep2s to convert esp adjustments to push and pop
2188 (pushsi_prologue, popsi_epilogue): New patterns.
2190 2000-04-12 Jakub Jelinek <jakub@redhat.com>
2192 * real.c (toe64): Remove stale #endif from the last change.
2194 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
2196 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
2197 * real.c (toe64): Revert previous change.
2199 2000-04-12 Jakub Jelinek <jakub@redhat.com>
2201 * objc/objc-act.c: Include ggc.h.
2202 (objc_tree_index, objc_global_trees): Convert most of the
2203 static tree variables into a static array with previous names
2205 (objc_ellipsis_node): New variable.
2206 (lang_init): Call objc_act_parse_init and c_parse_init.
2207 Create objc_ellipsis_node.
2208 (build_selector_translation_table): Use objc_ellipsis_node instead
2210 (hack_method_prototype): Likewise.
2211 (get_arg_type_list): Likewise.
2212 (start_method_def): Likewise.
2213 (continue_method_def): Likewise.
2214 (gen_method_decl): Likewise.
2215 (ggc_mark_imp_list): New function.
2216 (ggc_mark_hash_table): New function.
2217 (objc_act_parse_init): New function.
2218 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
2219 * c-parse.in (c_parse_init): For objc add roots of objc specific
2220 local tree variables.
2221 * objc/objc-parse.y: Rebuilt.
2222 * objc/objc-parse.c: Rebuilt.
2223 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
2225 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
2227 * cse.c (delete_trivially_dead_insns): Also delete insns
2228 that copy a register to itself where the destination is
2231 2000-04-11 Richard Henderson <rth@cygnus.com>
2233 * flow.c (struct propagate_block_info): Add new_dead, new_live.
2234 (propagate_block): Initialize them. Use them in parallel instead
2235 of one tmp variable, ie revert much of the 0408 and 0407 functional
2236 changes, but keep the structural changes.
2237 (mark_set_regs): Take new_dead from propagate_block_info instead.
2238 (mark_set_1, mark_set_reg): Likewise.
2239 (mark_used_regs): Likewise with new_live.
2240 (mark_used_reg): Likewise. Revert 0408 change.
2242 2000-04-11 Nick Clifton <nickc@cygnus.com>
2244 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
2246 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
2248 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2250 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
2251 const section to output a CONSTRUCTOR based on the same conditions
2254 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
2256 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
2257 * pa/pa-protos.h (output_call): Add additional argument indicating
2258 if the call is a sibling/tail call.
2259 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
2260 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
2261 (function_arg, function_arg_partial_nregs): Likewise
2262 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
2263 (emit_move_sequence): Zero extend certain constants as needed
2265 (compute_zdepdi_operands, output_64bit_and): New functions.
2266 (output_64bit_ior, function_arg): Likewise.
2267 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
2268 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
2269 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
2270 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
2271 (output_bvb): Likewise.
2272 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
2273 (output_call): New argument 'sibcall'. Generate sibcall sequences
2275 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
2276 (ouput_arg_descriptor): Do not emit argument descriptors for
2278 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
2280 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
2281 (FUNCTION_OK_FOR_SIBALL): Define.
2282 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
2283 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
2284 (CPP_SPEC): Use new spec infrastructure.
2285 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
2286 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
2287 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
2288 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
2289 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
2290 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
2291 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
2292 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
2293 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
2294 (FUNCTION_ARG); Call out to C code.
2295 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
2296 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
2297 (MIN_UNITS_PER_WORD): Likewise.
2298 * pa/pa.md (cmpdi): New expander.
2299 (scc patterns, movstrsi): Not available for TARGET_64BIT.
2300 (64bit conditional arithmetic): New patterns.
2301 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
2302 (movsicc): Not available if modes on all the operands to not match.
2303 (movdicc): New expander and associated patterns.
2304 (64bit branches): New patterns.
2305 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
2306 (pre_ldd, post_std): New patterns.
2307 (64bit addil, load low part): New patterns.
2308 (special movsf constant): Not available for TARGET_64BIT.
2309 (movsf, movdf expanders): Force constants into memory.
2310 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
2311 (64bit movdf/movdi patterns): New patterns.
2312 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
2314 (extendqidi2, extendhidi2, extendsidi2): Similarly.
2315 (adddi3 expander): Allow "arith_operand" for second input.
2316 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
2317 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
2318 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
2319 (muldi3): New expander for TARGET_64BIT.
2320 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
2322 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
2323 patterns for TARGET_64BIT.
2324 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
2325 patterns for TARGET_64BIT.
2326 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
2327 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
2328 (sibcall_epilogue): New expander.
2329 (casesi): Tweak for TARGET_64BIT.
2330 (call expanders): Set & use the outgoing argument pointer. Use the
2331 64bit call patterns as needed. Add additional arg to output_call.
2332 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
2333 (sibcall, sibcall_internal_symref): New expanders.
2334 (sibcall_value, sibcall_value_internal_symref
2335 (interspace_jump): Turn into an expander + matching patterns.
2336 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
2337 * pa/pa64-regs.h: Eliminate trigraph sequences.
2338 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
2340 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
2342 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
2343 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
2344 cpp_token with cpp_ttype everywhere.
2345 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
2346 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
2347 CPP_BUF_COL. Line and column numbers are unsigned int, not
2349 * cpplex.c (cpp_buf_line_and_col): Delete.
2350 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
2351 'long lineno' to 'unsigned int lineno'.
2352 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
2354 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2356 * extend.texi: ISO C99 is not a draft anymore.
2357 * invoke.texi: ISO C++ is not a draft anymore.
2358 * cpp.texi: __cplusplus is required by the ISO standard.
2360 * extend.texi (-fthis-is-variable): Undocument.
2361 * flags.h (warn_template_debugging): Remove declaration.
2362 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
2363 -Wenum-clash, -Wtemplate-debugging): Undocument.
2365 2000-04-10 Nick Clifton <nickc@cygnus.com>
2367 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
2369 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
2371 (ARM_SIGN_EXTEND): Use HOST_UINT.
2372 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
2373 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
2374 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
2375 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
2377 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
2378 (arm_gen_constant): Use HOST_UINT.
2379 (arm_canonicalize_constant): Use HOST_UINT.
2380 (arm_reload_in_hi): Use HOST_UINT.
2381 (arm_reload_out_hi): Use HOST_UINT.
2382 (output_multi_immediate): Use HOST_UINT.
2383 (int_log2): Use HOST_UINT.
2384 (arm_poke_function_name): Use HOST_UINT.
2385 (arm_output_epilogue): Use arm_volatile_func().
2386 (output_thumb_prologue): Use arm_strip_name_encoding().
2388 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2390 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
2391 of sequence point problems.
2393 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
2395 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
2397 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
2399 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2401 * sbitmap.h: Whitespace changes and use upper-case macro args.
2402 (struct simple_bitmap_def): All sizes now unsigned.
2403 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
2404 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
2405 (sbitmap_vector_alloc): Parms and local vars now unsigned.
2406 (sbitmap_zero): Cast bzero arg to PTR.
2407 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
2408 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
2409 loop to make structure clearer.
2410 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
2411 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
2412 (sbitmap_a_and_b_or_c): Likewise.
2413 (sbitmap_intersection_of_succs): Minor cleanups.
2414 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
2415 (sbitmap_union_of_preds): Likewise.
2416 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
2417 (debug_sbitmap): New function.
2419 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
2420 * c-typeck.c (convert_for_assignment): Likewise.
2422 * expmed.c (init_expmed): Don't free objects we make.
2423 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
2425 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
2426 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
2428 * gcse.c (expr_hash_table_size): Now unsigned.
2429 (compute_ae_gen): Local variable `i' now unsigned.
2430 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
2431 (compute_transout, hoist_code): Likewise.
2432 (compute_local_properties): Likewise, also hash_table_size.
2433 (alloc_expr_hash_table): N_INSNS now unsigned.
2434 (delete_null_pointer_checks): Mark arg F as unused.
2436 * regrename.c: Minor cleanups, including chang some variables
2439 2000-04-10 Neil Booth <NeilB@earthling.net>
2441 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
2443 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
2445 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2447 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
2448 __classof__, and __headof__ from the list of gnu keywords.
2449 (-ansi): Remove -foperator-names from list of implied options.
2450 Do not call it ANSI C++.
2451 (-foperator-names): Document as -fno-operator-names.
2453 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
2455 * cpphash.c (timestamp): Delete.
2456 (del_HASHNODE): If type is T_MCONST, free value.cpval.
2457 (special_symbol): Remove unnecessary braces. Remove
2458 T_VERSION. Treat T_STDC like T_CONST unless
2459 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
2460 when one is encountered, then convert them into T_MCONST
2462 * cppinit.c (builtin_array): version_string is T_MCONST.
2463 __STDC__ has a "1" in its cpval. Don't have a terminator
2464 entry. Clean up which entries are dumped.
2465 (initialize_builtins): Only __STDC__ gets the special
2466 -traditional treatment. Count the length of builtin_array.
2467 Render version_string here.
2468 * cpphash.h: Remove T_VERSION. Add T_MCONST.
2469 * cpplib.h (struct cpp_reader): Remove timebuf.
2471 2000-04-09 Richard Henderson <rth@cygnus.com>
2473 * genrecog.c (pred): Update comparison_operator for the unordered
2476 * config/i386/i386.c (no_comparison_operator): Disallow unordered
2478 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
2479 (uno_comparison_operator): New.
2480 (put_condition_code): Handle UNORDERED/ORDERED.
2481 (unsigned_comparison): Likewise.
2482 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
2483 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
2484 (ix86_expand_fp_compare): Use them. Take scratch as argument,
2485 update all callers. Handle all 8 unordered operators.
2486 (ix86_expand_setcc): Lose the unordered argument, update all callers.
2487 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
2488 * config/i386/i386.h (PREDICATE_CODES): Update.
2489 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
2490 (ix86_expand_branch, ix86_expand_setcc): Update.
2491 * config/i386/i386.md (sunordered, sordered): New.
2492 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
2493 (bunordered, bordered): New.
2494 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
2495 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
2496 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
2498 2000-04-09 Philip Blundell <philb@gnu.org>
2500 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
2502 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
2504 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
2505 fix_truncxfhi2): New patterns.
2506 * i386.c (output_fix_trunc): Handle converting to HImode.
2508 2000-04-08 Alex Samuel <samuel@codesourcery.com>
2510 * ssa.c (convert_to_ssa): Eliminate dead code when calling
2512 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
2513 (for_each_successor_phi): Change parameter to basic_block.
2514 (coalesce_regs_in_successor_phi_nodes): Likewise.
2515 (coalesce_regs_in_copies): Likewise.
2516 (compute_coalesced_reg_partition): Use basic_block instead of index.
2517 * rtl.h (convert_to_ssa): Delete.
2518 (convert_from_ssa): Likewise.
2519 (successor_phi_fn): Likewise.
2520 (for_each_successor_phi): Likewise.
2521 (in_ssa_form): Likewise.
2522 * basic-block.h (convert_to_ssa): Moved from rtl.h.
2523 (convert_from_ssa): Likewise.
2524 (successor_phi_fn): Likewise.
2525 (in_ssa_form): Likewise.
2526 (for_each_successor_phi): Likewise. Change parameter to basic_block.
2527 * flow.c (calculate_global_regs_live): Pass a basic_block to
2528 for_each_successor_phi.
2530 2000-04-08 Richard Henderson <rth@cygnus.com>
2532 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
2533 was modified in the current insn.
2535 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2537 * arm/thumb.md: Delete.
2538 * arm/thumb-protos.h: Delete.
2540 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2542 Merge changes from merged-arm-thumb-backend-branch onto trunk.
2544 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2546 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
2549 * arm.md (nop): Use the standard RTL expression. Don't code as a
2551 (*arm_nop, *thumb_nop): Delete.
2553 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
2554 constants. Use casts instead.
2555 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
2556 output_multi_immediate, arm_poke_function_name): Likewise.
2557 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
2558 MASK_RETURN_ADDDR): Likewise.
2560 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
2562 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
2565 * arm.md (eh_epilogue): New function.
2566 * arm.h (struct machine_function): Move to here ...
2567 * arm.c: ... from here.
2568 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
2569 (thumb_exit): Extra parameter eh_ofs. All callers changed.
2570 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
2572 2000-03-30 Nick Clifton <nickc@cygnus.com>
2574 * config/arm/semi.h (ASM_SPEC): Restore definition.
2575 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2577 * config/arm/elf.h (ASM_SPEC): Restore definition.
2578 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2580 * config/arm/arm.h (ASM_SPEC): Remove definition.
2581 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
2583 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
2585 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
2587 2000-03-24 Nick Clifton <nickc@cygnus.com>
2589 Various formating tidyups, elimination of compile time
2590 warnings and synchronisation with internal sources:
2592 * config/arm/arm-protos.h (assemble_align): Add prototype.
2593 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2594 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2595 (arm_return_addr_rtx): Rename to arm_return_addr.
2597 * config/arm/arm.c: Include except.h.
2598 Define shorter typenames for strict minipool_node and struct
2600 (arm_return_in_memory): For WinCE return all structures <= 32 bits
2602 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2603 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2605 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
2607 (ASM_SPEC): Define if not already defined.
2608 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
2610 * config/arm/arm.md: Rename references to gen_rotated_half_load to
2611 arm_gen_rotated_half_load, and references to gen_comapre_reg to
2612 arm_gen_compare_reg.
2613 (indirect_jump): Only accept register operands.
2614 (load_indirect_jump): Keep this pattern since combine can generate
2617 * config/arm/coff.h: Include aout.h.
2618 (MULTILIB_DEFAULTS): Only define if not already defined.
2620 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
2621 into arm.h (so that COFF ports can support thumb based aliases).
2622 (ASM_SPEC): Move definition into arm.h
2624 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
2625 redundant apcs spec.
2626 (ASM_SPEC): Move definition to arm.h
2628 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
2630 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
2631 for entries in the .bss section
2633 2000-03-23 Nick Clifton <nickc@cygnus.com>
2635 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
2636 to thumb_far_jump_used_p.
2638 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
2639 single integer parameter.
2641 * config/arm/arm.c (struct machine_function): Add two new
2642 fields, 'far_jump_used' and 'arg_pointer_live'.
2643 (thumb_far_jump_used_p): Once the decision has been made that
2644 far jumps might be used, always return true.
2645 If being called from the initial elimination offset macro then
2646 do not bother to perform the test if the arg pointer is not
2648 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
2649 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
2651 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
2653 * arm.c (output_return_instruction): Handle more cases where we can
2654 return from a function with an ldr instruction.
2655 (arm_output_epilogue): Likewise.
2657 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
2658 if we need to push a large stack frame and there are no callee-saved
2661 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
2662 in ARM code if the frame pointer has been eliminated.
2664 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
2665 unspec_volatile arguments to avoid duplicates.
2666 (consttable_1, consttable_2): Fixes for big-endian mode.
2668 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
2671 Re-write constant pool code.
2672 * arm.c (minipool_node, minipool_fix): New types.
2673 (minifix): Delete type.
2674 (arm_add_minipool_constant): Delete.
2675 (arm_compute_minipool_offsets, arm_find_barrier,
2676 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
2677 (get_jump_table_size): Now returns HOST_WIDE_INT.
2678 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
2680 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
2681 (assign_minipool_offsets, arm_print_value): Likewise.
2682 (dump_minipool): Rewrite.
2683 (arm_barrier_cost): New function.
2684 (create_fix_barrier): New function.
2685 (push_minipool_barrier): New function.
2686 (push_minipool_fix): Record additional information about the fixup
2688 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
2689 check the mode of what needs fixing.
2690 (arm_reorg): Rewrite.
2692 2000-03-08 Nick Clifton <nickc@cygnus.com>
2694 * config/arm/arm.md (indirect_jump): Force constant addresses into
2697 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
2699 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
2701 2000-02-24 Nick Clifton <nickc@cygnus.com>
2703 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
2704 adjust is word aligned.
2705 (thumb_expand_epilogue): Make sure that stack adjust is word
2708 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
2710 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
2712 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
2713 pointer relative addresses.
2715 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
2717 * arm.c (find_barrier): Find the last barrier within the allowed
2720 2000-02-09 Nick Clifton <nickc@cygnus.com>
2722 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
2724 2000-02-09 Nick Clifton <nickc@cygnus.com>
2726 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
2727 ARM_FUNCTION_PROFILER.
2729 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
2730 ARM_FUNCTION_PROFILER.
2732 * config/arm/linux-oldld.h: Imported from mainline sources.
2734 2000-02-07 Nick Clifton <nickc@cygnus.com>
2736 * config/arm/lib1funcs.asm: Merge in thumb functions from
2739 * config/arm/lib1thumb.asm: Delete.
2741 2000-02-04 Nick Clifton <nickc@cygnus.com>
2743 * config/arm/arm.c: Sychronised with current Red hat local
2745 * config/arm/arm.h: Ditto.
2746 * config/arm/arm-protos.h: Ditto.
2748 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
2750 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
2752 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
2755 2000-02-02 Nick Clifton <nickc@cygnus.com>
2757 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
2759 * config/arm/arm.md (epilogue): Fix rtl checking abort because
2760 (return) was emited using an emit_insn() call.
2762 2000-01-31 Nick Clifton <nickc@cygnus.com>
2764 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
2766 (thumb_exit): Move frame pointer back into hard frame pointer
2767 register if backtracing is being used.
2769 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
2771 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
2774 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
2776 * config/arm/arm.md (neg_pool_offset): Provide default for new
2778 (arm_movsi_insn): Add neg_pool_offset attribute.
2779 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
2780 rtx for the insn that starts the scan and an unsigned long for its
2781 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
2782 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
2783 instructions in *PINSERTED.
2784 (struct minipool_fixup): Add MIN_ADDRESS elt.
2785 (sort_fixups): Compute it.
2786 (arm_reorg): Changes to support inserting pools before the insn to be
2789 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
2791 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
2792 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
2793 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
2795 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
2797 * config/arm/semi.h (TARGET_VERSION): Do not define if already
2799 (TARGET_DEFAULT): Do not define if already defined.
2801 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
2803 * config/arm/arm.md (anddi3): Allow disjoint source operands.
2804 (iordi3): Allow disjoint source operands.
2805 (xordi3): Allow disjoint source operands.
2806 (negdi2): Permit construction for ARM and Thumb.
2807 (arm_negdi2): Renamed version of old negdi2 pattern.
2808 (thumb_negdi2): New pattern: Only permit non-overlapping
2809 source and destination.
2811 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
2813 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
2814 scratch low register so that it will not be deleted.
2816 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
2818 * config/arm/pe.h (ARM_PE): Define.
2820 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
2821 interfacearm attribute if this is a PE toolchain.
2822 (output_return_instruction): Do not emit anything if the function
2823 has the naked attribute set.
2824 (is_called_in_ARM_mode): If the function has the interfacearm
2825 attribute then return true.
2826 (thumb_expand_prologue): Do not generate a prologue for naked
2828 (thumb_expand_epilogue): Do not generate an epilogie for a naked
2830 (output_thumb_prologue): Do not bother if the function is naked.
2831 Strip PE encoding from function name before emitting.
2833 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
2835 * arm.md (pic_load_addr): Fix constraints.
2837 * arm.md (casesi_insn): Fix mis-applied patch.
2839 * arm.md ("core" function unit): Add rules for single- and
2841 (All TARGET_THUMB patterns): Add "type" attribute information
2843 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
2844 the following insn is a CALL.
2846 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
2848 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
2849 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
2850 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
2852 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
2854 * config/arm/linux-gas.h: oops - this file was missed out when the
2855 branch was created...
2857 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
2859 * thumb.c: Deleted. Move contents to ...
2861 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
2863 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
2866 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
2867 declare a prototype for asm_output_align();
2869 * arm.c (thumb_condition_code): Delete.
2870 (arm_print_operand): Always use arm_condition_code array.
2872 * arm.c (thumb_return_addr_rtx): Delete.
2873 (arm_save_machine_status, arm_restore_machine_status): Delete.
2874 (arm_init_machine_status, arm_mark_machine_status): New functions.
2875 (arm_init_expanders): Update accordingly.
2876 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
2877 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
2878 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
2880 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
2882 * configure.in : Fix arm-*-aout target to use new t-arm-aout
2884 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
2887 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
2889 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
2890 stack backtrace structure.
2892 * config/arm/arm-protos.h: Add prototypes for functions defined in
2895 * config/arm/arm.c (arm_override_options): Fix selection of
2896 attributes of default processor.
2898 * config/arm/coff.h: Delete needless #include.
2900 * config/arm/pe.c: Delete unused code.
2902 * config/arm/pe.h (CPP_DEFINES): Delete
2903 (SUBTARGET_CPP_SPEC): Define.
2904 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
2906 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
2908 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
2910 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
2912 (CAN_DEBUG_WITHOUT_FP): Define.
2913 (FIXED_REGISTERS): Make r11 call-saved.
2914 (CALL_USED_REGISTERS): Likewise.
2915 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
2916 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
2917 frame-pointer is required.
2918 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
2919 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
2920 if the target normally needs a stack frame in non-leaf functions.
2921 (use_return_insn): Correct logic for determining when a return
2922 instruction can be used.
2923 (output_return_instruction): Handle the frame-pointer register as
2924 a normal register when not TARGET_APCS_FRAME.
2925 (arm_output_prologue): Likewise.
2926 (arm_output_epilogue): Likewise.
2927 (output_func_epilogue): Likewise.
2928 (arm_expand_prologue): Likewise.
2929 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
2931 * arm.c (use_return_insn): No need to check floating point regs if
2933 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
2934 the code of value stored in the minipool array.
2935 (arm_add_minipool_constant): Likewise.
2937 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2939 * basic-block.h (conflict_graph_enum_fn): K&R fix.
2941 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2943 * tree.c (tree_expr_nonnegative_p): New function.
2945 * tree.h (tree_expr_nonnegative_p): Declare.
2947 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
2948 elide some sign_compare warnings.
2949 (build_conditional_expr): Likewise.
2951 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
2953 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
2955 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
2956 * i386.c (print_operand): Use the proper suffix for a 387 HImode
2957 operand. Abort if a 387 operand has an unsupported size.
2959 2000-04-08 Neil Booth <NeilB@earthling.net>
2961 * cppexp.c (parse_charconst): Null does not end character
2963 * cppinit.c (ISTABLE): Null character handled as whitespace.
2964 * cpplex.c (null_warning): new function.
2965 (skip_string): Emit warning if nulls encountered.
2966 (_cpp_skip_hspace): Emit warning if nulls encountered.
2967 (_cpp_lex_token): Emit warning if nulls encountered. Drop
2971 2000-04-07 Richard Henderson <rth@cygnus.com>
2973 * flow.c (loop_depth): Remove.
2974 (reg_next_use, cc0_live, mem_set_list): Replace with ...
2975 (struct propagate_block_info): New.
2976 (life_analysis): Don't allocate reg_next_use.
2977 (propagate_block_delete_insn): Break out of propagate_block.
2978 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
2979 (propagate_block_delete_libcall): Likewise.
2980 (propagate_block): Create a propagate_block_info struct to pass
2981 to subroutines. Allocate one not two temporary regsets. Don't
2982 clobber memory for const calls. Look for clobbers in
2983 CALL_INSN_FUNCTION_USAGE.
2984 (mark_set_regs): Recognize COND_EXEC.
2985 (mark_set_reg): Break out of mark_set_1.
2986 (mark_used_reg): Break out of mark_used_regs.
2987 (mark_used_regs): Recognize COND_EXEC.
2988 (insn_dead_p): Use propagate_block_info struct.
2989 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
2990 (find_auto_inc, try_pre_increment_1): Likewise.
2991 (print_rtl_with_bb): Dump regs live at end too.
2992 (count_reg_sets_1): Pass in loop_depth.
2993 (count_reg_sets, count_reg_references): Likewise.
2994 (recompute_reg_usage): Provide it.
2996 2000-04-07 Richard Henderson <rth@cygnus.com>
2998 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
3001 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
3003 * cpplib.c (do_elif): Skip the rest of the line if we're
3004 not going to bother evaluating it.
3005 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
3006 to avoid pointless calls to the lexer.
3008 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
3010 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
3012 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
3014 * calls.c (expand_call): emit_queue if we're trying a sibcall.
3016 2000-04-07 Jakub Jelinek <jakub@redhat.com>
3018 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
3020 2000-04-06 Geoff Keating <geoffk@cygnus.com>
3022 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
3023 crtend so they can be multilibbed.
3024 (STAGESTUFF): Remove s-crt and s-crtS.
3026 2000-04-07 Richard Henderson <rth@cygnus.com>
3028 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
3029 if we discover we need a pseudo and no_new_pseudos is true.
3030 * config/alpha/alpha.md (ne:DI insn): New.
3031 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
3033 2000-04-07 Richard Henderson <rth@cygnus.com>
3035 * rtl.def (COND_EXEC): New.
3036 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
3037 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
3039 * genconfig.c (have_cond_arith_flag): Remove.
3040 (have_cond_exec_flag): New.
3041 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
3042 (main): Print HAVE_conditional_execution.
3044 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
3045 (sched_analyze_insn, print_pattern): Likewise.
3046 * reload.c (find_equiv_reg): Likewise.
3047 * rtlanal.c (reg_referenced_p): Likewise.
3048 (note_stores, dead_or_set_regno_p): Likewise.
3049 (reg_overlap_mentioned_p): Rewrite to use a switch.
3051 * ggc.h (struct rtx_def): Forward declare.
3053 * print-rtl.c (debug_rtx_range): New.
3054 * rtl.h (debug_rtx_range): Declare.
3056 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
3058 * gcse.c (gcse_main): Don't rebuild the CFG here.
3059 (delete_null_pointer_checks): Likewise.
3060 * ssa.c (convert_to_ssa): Likewise.
3061 * toplev.c (rest_of_compilation): Do it here instead. Combine
3062 sequential calls to TIMEVAR. Consistently use `insns' instead of
3063 `get_insns()'. Always split insns after reload when optimizing.
3065 * basic-block.h (merge_blocks_nomove): Declare.
3066 (tidy_fallthru_edge): Declare.
3067 * flow.c (merge_blocks_nomove): Document as merging into previous
3068 blocks. Remove cruft from between blocks; remove all edges out of A.
3069 (tidy_fallthru_edge): Export.
3071 2000-04-06 Alex Samuel <samuel@codesourcery.com>
3073 * ssa.c (compute_conservative_reg_partition): Declare with
3075 * toplev.c (clean_dump_file): Remove previously-deleted function
3076 inadvertantly merged back in.
3077 * conflict.c (conflict_graph_add): Use a single call to
3078 htab_find_slot to look up and insert.
3080 2000-04-06 Richard Henderson <rth@cygnus.com>
3082 * genrecog.c (*): Rename _last_insn to last_insn.
3083 (make_insn_sequence): Set the position of the peephole2 C test
3084 to be at the last insn.
3086 2000-04-06 Richard Henderson <rth@cygnus.com>
3088 * flow.c (compute_flow_dominators): Free worklist.
3090 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
3092 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
3094 2000-04-06 Alex Samuel <samuel@codesourcery.com>
3096 * rtl.h (INSN_P): New macro.
3097 (successor_phi_fn): New typedef.
3098 (for_each_successor_phi): New prototype.
3099 (in_ssa_form): New variable.
3100 (PHI_NODE_P): Likewise.
3101 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
3102 phi nodes in successors.
3103 (mark_used_regs): Add PHI case.
3104 (set_phi_alternative_reg): New function.
3105 (life_analysis): Assert that dead code elimination is not selected
3107 * toplev.c (to_ssa_time): New variable.
3108 (from_ssa_time): Likewise.
3109 (compile_file): Zero to_ssa_time and from_ssa_time.
3110 Print time to convert to and from SSA.
3111 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
3112 (print_time): Compute percent fraction as integer.
3113 * ssa.c (PHI_NODE_P): Moved to rtl.h.
3114 (convert_to_ssa): Check if we're already in SSA.
3115 Don't eliminate dead code in life_analysis.
3116 Rerun flow and life analysis at bottom.
3117 (eliminate_phi): Use canonical regnos when adding nodes.
3118 (mark_reg_in_phi): New function.
3119 (mark_phi_and_copy_regs): Likewise.
3120 (convert_from_ssa): Rerun life analysis at top.
3121 Use coalesced partition.
3122 Check for removing a phi node at the end of the block.
3123 (compute_coalesced_reg_partition): New function.
3124 (coalesce_regs_in_copies): Likewise.
3125 (coalesce_reg_in_phi): Likewise.
3126 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
3127 (for_each_successor_phi): Likewise.
3128 (rename_context): New struct.
3129 (rename_block): Use a rename_context with rename_insn_1. When
3130 renaming sets of a subreg, emit a copy of the entire reg first.
3131 (rename_insn_1): Treat data as a rename_context *. Save current
3133 (rename_set_data): Add field set_insn.
3134 * Makefile.in (HASHTAB_H): Move up in file.
3135 (OBSTACK_H): New macro.
3136 (collect2.o): Use OBSTACK_H in dependencies.
3137 (sdbout.o): Likewise.
3138 (emit-rtl.o): Likewise.
3139 (simplify-rtx.o): Likewise.
3140 (fix-header.o): Likewise.
3141 (OBJS): Add conflict.o.
3142 (conflict.o): New rule.
3143 * basic-block.h: Include partition.h.
3144 (conflict_graph): New typedef.
3145 (conflict_graph_enum_fn): Likewise.
3146 (conflict_graph_new): New prototype.
3147 (conflict_graph_delete): Likewise.
3148 (conflict_graph_add): Likewise.
3149 (conflict_graph_conflict_p): Likewise.
3150 (conflict_graph_enum): Likewise.
3151 (conflict_graph_merge_regs): Likewise.
3152 (conflict_graph_print): Likewise.
3153 (conflict_graph_compute): Likewise.
3154 * conflict.c: New file.
3156 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
3158 * tlink.c (read_repo_files): Don't look for .rpo info for
3161 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3163 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
3165 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3167 * config/sh/lib1funcs.asm (___udivsi3_i4):
3168 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
3169 only depends on FMOVD_WORKS.
3171 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3173 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
3174 make double constant 8-byte aligned.
3176 2000-04-06 Jakub Jelinek <jakub@redhat.com>
3178 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
3179 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
3180 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
3181 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
3182 Accept storing GENERAL_REGS into offsetable memory.
3183 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
3184 building a TFmode constant other than 0.0L into GENERAL_REGS.
3186 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
3188 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
3190 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
3192 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
3193 (macro_cleanup): No need to cast pbuf->macro.
3194 (collect_expansion): Use _cpp_get_define_token. Goto done if
3195 it returns VSPACE. Remove check for trailing space after
3197 (_cpp_create_definition): Don't diddle flags here. Return
3199 (unsafe_chars): Handle c1 being EOF.
3200 (push_macro_expansion): Use unsafe_chars for both accidental-paste
3201 checks. Don't push the buffer till after we're done with
3203 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
3204 (PEEKN, FORWARD, GETC, PEEKC): Use them.
3205 (cpp_push_buffer): Don't set new->alimit. Set new->mark
3207 (_cpp_parse_assertion): Don't NUL terminate.
3208 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
3209 hspace before calling _cpp_parse_assertion. Remove all sets
3210 of only_seen_white. Treat '\f' as hspace. Don't do anything
3211 special with '\n' here.
3212 (maybe_macroexpand): Handle T_EMPTY hash entries without
3213 pushing a buffer at all.
3214 (cpp_get_token): Handle clearing only_seen_white here. Handle
3215 incrementing the line number here. Clear
3216 potential_control_macro as well as only_seen_white, if
3218 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
3219 (_cpp_get_define_token): New function, basically like
3220 _cpp_get_directive_token was but doesn't eat horizontal space.
3221 Don't do anything with only_seen_white here.
3222 (_cpp_get_directive_token): Just call _cpp_get_define_token
3223 repeatedly till it returns non-hspace.
3225 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
3226 (conditional_skip, skip_if_group): Return int.
3227 (DIRECTIVE_TABLE): Change origin of all conditional directives
3229 (TRAD_DIRECT_P): New macro.
3230 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
3231 an error for a bogus directive, unless -lang-asm. Use
3232 TRAD_DIRECT_P. Loop calling handler functions till one returns
3234 (get_macro_name): Don't diddle flags here.
3235 (do_define): Diddle flags here. Use _cpp_get_directive_token.
3236 Create T_EMPTY nodes for #define macro /* nothing */.
3237 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
3238 Use hp->name when calling pass_thru_directive.
3239 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
3240 Return the result of conditional_skip and/or skip_if_group.
3241 Don't call _cpp_output_line_command.
3242 (consider_directive_while_skipping): Use _cpp_get_directive_token.
3243 Issue -Wtraditional warnings as appropriate. Don't complain
3244 about unrecognized directives. If we are to stop skipping,
3245 return the number of the directive that ended the skip.
3246 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
3247 expansion and line commands while skipping. Return the result
3248 of consider_directive_while_skipping, if nonzero.
3249 (do_endif): Just set potential_control_macro here.
3250 (validate_else): Use _cpp_get_directive_token.
3251 (do_assert, do_unassert): Don't save pointers into the
3252 token_buffer across calls to the lexer. Use
3253 _cpp_get_directive_token.
3255 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
3256 pointer, not an offset. Replace 'data', which was a generic
3257 pointer, with 'macro', which points to a struct hashnode.
3258 (cpp_reader): Add 'potential_control_macro' pointer.
3259 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
3260 (CPP_BUF_GET, CPP_FORWARD): Delete.
3261 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
3262 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
3263 ACTIVE_MARK_P): Update.
3264 (_cpp_get_define_token): New internal function.
3265 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
3267 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
3269 * configure.in: And here.
3270 * configure: Regenerate.
3271 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
3272 --enable-libstdcxx-v3 is passed at configure time.
3273 * config.h.in: Regenerate.
3275 2000-04-05 Mark Mitchell <mark@codesourcery.com>
3277 * final.c (final): Use xcalloc to allocate line_note_exists.
3278 * function.c (free_after_compilation): Free the temp_slots.
3279 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
3280 (combine_temp_slot): Free temp_slots when they get combined.
3281 (purge_addressof): Fix typo in comment.
3282 * stmt.c (mark_goto_fixup): Mark the fixup itself.
3283 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
3285 * ggc.h: Include varray.h.
3286 (ggc_pending_trees): Declare.
3287 (ggc_mark_tree_children): Remove declaration.
3288 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
3289 * ggc-common.c (ggc_pending_trees): New variable.
3290 (ggc_mark_roots): Call ggc_mark_trees.
3291 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
3292 the ggc_pending_trees.
3293 * Makefile.in (GGC_H): New variable. Use it throughout in place
3296 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3298 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
3301 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3303 * sh.c (sh_insn_length_adjustment): New function.
3304 * sh-protos.h (sh_insn_length_adjustment): Declare.
3305 * sh.h (ADJUST_INSN_LENGTH): Use it.
3307 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
3309 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
3310 from the insn where REG_RETVAL is added.
3311 (emit_no_conflict_block): Ditto.
3313 * md.texi (Standard Names): Clarify when movX is needed.
3315 * combine.c (simplify_comparison) [MINUS]: Do not replace
3316 all (op (minus A B) 0) with (op A B).
3318 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
3319 J"orn Rennecke <amylaar@cygnus.co.uk>
3321 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
3322 (block_lump_real): Likewise.
3324 2000-04-05 Chris Demetriou <cgd@netbsd.org>
3326 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
3327 remaining non-zero debugging masks.
3329 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
3331 * basic-block.h (verify_flow_info): Declare.
3332 (flow_loop_outside_edge_p): Declare.
3333 * flow.c (verify_flow_info): Remove declaration.
3334 (clear_log_links, flow_loop_outside_edge_p): Likewise.
3336 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
3338 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
3341 2000-04-05 Jakub Jelinek <jakub@redhat.com>
3343 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
3344 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
3345 seqdi_zero_trunc+1): Allow splits only if registers are
3348 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
3350 * acconfig.h: Add HAVE_GAS_HIDDEN.
3351 * config.in: Regenerated.
3352 * configure.in: Add test for .hidden pseudo-op in gas.
3353 * configure: Regenerated.
3354 * crtstuff.c: Include auto-host.h.
3355 Emit additional .hidden pseudo-op for __dso_handle if the
3356 assembler knows about it.
3358 2000-04-04 Philippe De Muyter <phdm@macqel.be>
3360 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
3361 before freeing argnames.
3362 * cpplib.c (do_ifndef): Cast return value of xstrdup.
3364 2000-04-05 Michael Meissner <meissner@redhat.com>
3366 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
3367 Walton <jonboy@gordian.com> to make memory references with update
3368 work wtih -mregnames.
3370 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3372 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
3373 (regrename_optimize): Rename variables `def_uses' and
3374 `ext_basic_blocks' to avoid conflicts with similarly named
3375 typedefs in traditional C.
3377 * calls.c (initialize_argument_information): Fix typo in previous
3380 2000-04-04 Richard Henderson <rth@cygnus.com>
3382 * regrename.c (consider_available): Test fixed_regs not
3383 PIC_OFFSET_TABLE_REGNUM.
3385 2000-04-04 Geoff Keating <geoffk@cygnus.com>
3387 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
3389 (CRTSTUFF_T_CFLAGS_S): Delete definition.
3390 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
3391 (ENDFILE_LINUX_SPEC): Always use crtend.
3392 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
3393 (powerpc-*-linux-gnu): Likewise.
3394 * configure: Regenerate.
3396 * config/rs6000/eabi.h: Don't include sysv4.h.
3397 (MULTILIB_DEFAULTS): Don't define.
3398 * config/rs6000/eabiaix.h: Don't include eabi.h.
3399 * config/rs6000/eabile.h: Delete.
3400 * config/rs6000/eabilesim.h: Delete.
3401 * config/rs6000/eabisim.h: Don't include eabi.h.
3402 * config/rs6000/linux.h: Don't include sysv4.h.
3403 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
3404 (MULTILIB_DEFAULTS): Don't redefine.
3405 * config/rs6000/rtems.h: Don't include eabi.h.
3406 * config/rs6000/sol2.h: Don't include sysv4le.h.
3407 * config/rs6000/sysv4le.h: Don't include sysv4.h.
3408 * config/rs6000/t-ppc: Delete.
3409 * config/rs6000/t-ppcgas: Correct comment.
3410 * config/rs6000/t-ppcos: Correct comment. Don't build
3411 multilibs for -fPIC, rather use -fPIC -mstrict-align
3413 * config/rs6000/t-ppc: Delete.
3414 * config/rs6000/vxppc.h: Don't include sysv4.h.
3415 * config/rs6000/vxppcle.h: Delete.
3416 * configure.in: Use multiple header files for p2pc ELF targets
3417 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
3418 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
3419 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
3420 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
3421 always available for these platforms.
3423 2000-04-04 Richard Henderson <rth@cygnus.com>
3425 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
3427 2000-04-04 Stan Cox <scox@cygnus.com>
3429 * Makefile.in: Add rules for regrename.o
3430 * regrename.c: New file.
3431 * rtl.h (regrename_optimize): Add prototype.
3432 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
3433 (compile_file, decode_d_option): Add support for -frename-registers.
3434 (rest_of_compilation): Call regrename_optimize.
3435 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
3438 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3440 * Makefile (gccbug): New target.
3441 (doc): Depend on it.
3442 * gcc.texi (Bugs): Link subnodes.
3444 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
3445 Document severities, priorities, and classes in bug form.
3447 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
3449 * cpplex.c (trigraph_map, speccase): Combine into single
3451 (NORMAL, NONTRI): New macros.
3452 (_cpp_read_and_prescan): Change to use unified table. Use
3453 is_hspace to test for whitespace.
3455 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
3456 definition that doesn't provoke the "empty body in an
3457 if-statement" warning.
3459 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
3461 * builtins.c (expand_builtin_strlen): Force the source to
3462 be a memory address.
3464 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3466 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
3468 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
3470 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
3471 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
3472 (ECF_IS_CONST): Rename to ECF_CONST.
3473 (special_function_p): Make static, change interface.
3474 (flags_from_decl_or_type, try_to_integrate): Break out from ...
3475 (expand_call) ... here; convert number of variables to flags.
3476 (emit_library_call_vlue_1): Likewise.
3477 (setjmp_call_p): New function.
3478 (initialize_argument_information): Accepts flags as argument;
3480 (precompute_arguments): Likewise.
3481 * tree.h (special_function_p): Remove.
3482 (setjmp_call_p): Add prototype.
3484 2000-04-04 Jakub Jelinek <jakub@redhat.com>
3486 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
3487 so that addresses are offsetable by up to 16 bytes.
3488 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
3489 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
3492 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
3493 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
3494 (movsf): Don't force any constant to memory if target is integer
3496 Move fp_zero_operand check below the const0_rtx check.
3497 (movtf): Likewise. Also allow fp_zero_operand for stores into
3499 (movdf): Likewise. Also allow fp_zero_operand for stores into
3500 memory and into integer hard registers.
3501 (clear_df, clear_dfp, movdf_const_intreg_sp32,
3502 movdf_const_intreg_sp64): Remove.
3503 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
3505 (movdf_no_e_insn_v9_sp32): New pattern.
3506 (movdf_insn_v9only): Remove.
3507 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
3508 (movdf_insn_sp64): Remove.
3509 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
3510 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
3511 (following splits): Rewrite conditions. Add two new splits
3512 for storing 0.0 into memory and registers.
3513 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
3514 (movtf_insn_sp32): Redo constraints and conditions.
3515 (movtf_insn_vis_sp32): New pattern.
3516 (movtf_no_e_insn_sp32): Redo constraints and conditions.
3517 (movtf_insn_hq_sp64): Likewise.
3518 (movtf_insn_hq_vis_sp64): New pattern.
3519 (movtf_insn_sp64): Redo constraints and conditions.
3520 (movtf_insn_vis_sp64): New pattern.
3521 (movtf_no_e_insn_sp64): Redo constraints and conditions.
3522 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
3524 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
3525 -mvis or -m64 to take down the number of various reload patterns.
3527 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
3529 * pa/pa-64.h: New file.
3530 * pa/pa64-regs.h: New file.
3531 * pa/pa64-start.h: New file.
3532 * pa/t-pa64: New file.
3533 * pa/xm-pa64hpux.h: New file.
3535 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3537 * sparc.c (output_restore_regs): Prototype.
3538 (sparc_emit_float_lib_cmp): Constification.
3540 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
3542 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
3545 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
3546 (get_value_hash, hash_rtx): Likewise.
3548 * ssa.c (compute_conservative_reg_partition): Prototype.
3550 * tree.c (mark_hash_entry): Prototype.
3552 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
3554 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
3555 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
3556 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
3558 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
3559 * objc/lang-specs.h: Likewise.
3561 2000-04-03 Neil Booth <NeilB@earthling.net>
3563 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
3564 and SYNTAX_ERROR2. Replace `' in messages with ''.
3565 (op_to_str): Make re-entrant.
3566 (_cpp_parse_expr): Implement new error macros. Use | rather
3567 than || to logically or 2 boolean integers. Simply expression
3568 checking we have a left operand iff needed.
3570 2000-04-03 Nick Clifton <nickc@cygnus.com>
3572 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
3574 2000-04-03 Philip Blundell <philb@gnu.org>
3576 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
3578 2000-04-03 Felix Lee <flee@cygnus.com>
3580 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
3581 (run_shell): Use it.
3583 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
3585 * Makefile.in (stmp-int-hdrs): Make include subdir here...
3586 (stmp-fixproto): ...rather than here.
3588 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
3590 * pa.c (print_operand): Compute 'base' only inside the code paths
3593 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
3595 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
3598 2000-04-03 Philipp Thomas <pthomas@suse.de>
3600 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
3602 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
3604 * Makefile.in (alias.o): Depend on $(TREE_H).
3606 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
3608 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
3610 * cpplib.c (_cpp_handle_directive): Improve warnings for
3611 traditional C and indented directives.
3613 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
3614 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
3615 fixinc/inclhack.def: Indent the # of #include_next one space.
3616 * cp/rtti.c: Un-indent #if and #endif.
3618 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
3619 syntax error, but an error has already been printed.
3620 * cpplex.c (_cpp_parse_assertion): Give a more specific error
3621 message when called with nothing remaining on the line.
3622 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
3623 OTHER token, not an ASSERTION.
3624 * cpplib.c (do_assert): When we create a 'base' node, clear
3625 its aschain pointer.
3627 2000-04-02 Neil Booth <NeilB@earthling.net>
3629 * cppexp.c: New typedef op_t. struct operation and struct
3630 token updated to use it.
3631 (op_to_str): New function.
3632 (_cpp_parse_expr): Error messages modified to use op_to_str.
3634 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3636 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
3637 before checking MUST_PASS_IN_STACK.
3639 2000-04-02 Neil Booth <NeilB@earthling.net>
3641 * cppexp.c: New FINISHED dummy token. Combine operator initial
3642 flags and initial priority into a single constant. New
3643 EQUALITY macro. New operator flag SHORT_CIRCUIT.
3644 (_parse_cpp_expr): Implement new constants. Take left operand
3645 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
3646 parse indicated by reducing FINISHED token. Remove new lines
3647 from cpp_error messages.
3649 2000-04-01 Mark Mitchell <mark@codesourcery.com>
3651 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
3654 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
3656 * cpplib.c: Include symcat.h. Add 'origin' field to struct
3657 directive. Add origin values to DIRECTIVE_TABLE. Generate
3658 the strings and function names on the fly. Take the #sccs
3659 entry out of the table if SCCS_DIRECTIVE is not defined.
3660 (_cpp_handle_directive): Decide if the # was at the beginning
3661 of the line here. Issue -pedantic warnings for extended
3662 directives here. Warn about K+R directives with the #
3663 indented, and C89/extended directives with the # not indented,
3665 (do_import, do_include_next, do_warning, do_ident, do_sccs,
3666 do_assert, do_unassert): Don't issue pedantic warning here.
3668 * cpphash.h: Add CPP_WTRADITIONAL macro.
3669 * cpplib.h (struct cpp_options): Rename warn_stringify to
3670 warn_traditional; update comments.
3671 * cppinit.c (handle_option): Set warn_traditional not
3673 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
3674 CPP_WTRADITIONAL (pfile).
3675 * cpplex.c (_cpp_lex_token): Don't decide if directives should
3676 be ignored in -traditional mode here.
3678 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
3679 to initialize speccase[] and trigraph_map[]. Delete all
3680 references to pfile->input_speccase. Always treat '?' as a
3681 special character. Remove table-initialization code from
3682 _cpp_init_input_buffer.
3684 * cpplib.h (struct cpp_reader): Remove input_speccase field.
3685 * cppinit.c (cpp_cleanup): Don't free input_speccase.
3687 2000-04-01 Richard Henderson <rth@cygnus.com>
3689 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
3690 (mostlyclean): Likewise.
3692 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
3693 (struct dump_file_info, enum dump_file_index, dump_file): New.
3694 (open_dump_file): Take a dump_file_index not a suffix, and a decl
3695 not a string. Clean out file if we havn't yet done so. Do nothing
3696 if the dump isn't enabled.
3697 (close_dump_file): Do nothing if the dump isn't open. Dump
3698 graph data if requested.
3699 (dump_rtl, clean_dump_file): Remove.
3700 (compile_file): Don't clean the dump files. Only finalize .bp dump
3701 if flag_test_coverage or flag_branch_probabilities. Only finalize
3702 .combine dump if optimizing. Iterate over dump_file to finalize the
3704 (rest_of_compilation): Update for open_dump_file/close_dump_file.
3705 Convert all uses of dump_rtl.
3706 (decode_d_option): Iterate over dump_file to implement 'a' and to
3707 locate pass-specific dumps.
3709 2000-04-01 Neil Booth <NeilB@earthling.net>
3711 * cppexp.c: Redefine priority constants.
3712 (_cpp_parse_expr): Replace left and right priority scheme with
3713 single priority logic. Move LOGICAL to same place as COMPARE.
3714 Remove bogus check for multiple unary +/- operators.
3716 2000-04-01 Neil Booth <NeilB@earthling.net>
3718 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
3719 within the switch statement. Binary operations break out of
3720 the switch naturally. '(' tokens handled by forcing
3721 immediate shift. ')' handled by forcing immediate reduce to
3722 the previous '('. New error messages.
3724 2000-03-31 Geoff Keating <geoffk@cygnus.com>
3726 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
3727 part', it's already in use. Use %K instead. Add a return at the
3728 end of what is now %K.
3729 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
3731 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
3733 * builtins.c (expand_builtin_apply): Pass proper parameters to
3734 allocate_dynamic_stack_space.
3735 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
3736 update stack_pointer_delta; do not update arg_size_so_far.
3737 (compute_argument_block_size): Use stack_delta instead of
3738 stack_pointer_pending and arg_size_so_far.
3739 (expand_call): Add sanity checking for stack_pointer_delta;
3740 save and restore stack_pointer_delta for SIB, use
3741 stack_pointer_delta for alignment; do not update arg_space_so_far.
3742 (emit_library_call_value): Use stack_pointer_delta for alignment.
3743 (store_one_arg): Do not update arg_space_so_far.
3744 * explow.c (adjust_stack, anti_adjust_stack): Update
3745 stack_pointer_delta.
3746 (allocate_dynamic_stack_space): Add sanity checking for
3747 stack_pointer_delta.
3748 * expr.c (init_expr, clear_pending_stack_adjust): Clear
3749 stack_pointer_delta.
3750 (emit_push_insn): Update stack_pointer_delta.
3751 * function.h (struct expr_status): Add x_stack_pointer_delta;
3752 remove x_arg_space_so_far.
3753 (arg_space_so_far): Remove.
3754 (stack_pointer_delta): New macro.
3756 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
3758 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
3759 Reorder struct cpp_options and struct cpp_reader for better
3760 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
3761 takes two args. Change all 'char' flags to 'unsigned char'.
3762 Move show_column flag into struct cpp_options. Don't
3763 prototype cpp_options_init.
3764 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
3765 cppinit.c, cpplex.c, cpplib.c:
3766 Replace CPP_OPTIONS (pfile)->whatever with
3767 CPP_OPTION (pfile, whatever), and likewise for
3768 opts = CPP_OPTIONS (pfile); ... opts->whatever;
3770 * cppinit.c (merge_include_chains): Take a cpp_reader *.
3771 Extract CPP_OPTION (pfile, pending) and work with that
3773 (cpp_options_init): Delete.
3774 (cpp_reader_init): Turn on on-by-default options here.
3775 Allocate the pending structure here.
3776 (cl_options, enum opt_code): Define these from the same table,
3777 kept in a large macro. Add -fshow-column and -fno-show-column
3780 * cpperror.c (v_message): If show_column is off, don't print
3783 * cppmain.c: Update for new interface.
3784 * fix-header.c: Likewise.
3786 2000-03-30 Geoff Keating <geoffk@cygnus.com>
3788 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
3790 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
3791 are passed to any invocation of AR_FOR_TARGET.
3792 (AR_CREATE_FOR_TARGET): New macro.
3793 (AR_EXTRACT_FOR_TARGET): New macro.
3794 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
3795 AR_EXTRACT_FOR_TARGET.
3796 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
3797 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
3798 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
3799 AR_EXTRACT_FOR_TARGET to sub-makes.
3801 2000-03-31 Neil Booth <NeilB@earthling.net>
3803 * cppexp.c: Delete SKIP_OPERAND. Correct priority
3805 (_cpp_parse_expr): Check for multiple unary +/- operators.
3806 Correct priorities of ':' and '?'. Treat ')' as having a
3807 value. Ensure conditional expression is not void.
3809 2000-03-31 Mark Mitchell <mark@codesourcery.com>
3811 * alias.c (canon_rtx): Make it global.
3812 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
3814 * cse.c (struct table_elt): Add canon_exp.
3816 (invalidate): Canonicalize expressions only once.
3817 * rtl.h (canon_rtx): Declare.
3819 2000-03-30 Mark Mitchell <mark@codesourcery.com>
3821 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
3822 * alias.c (reg_known_value): Add comments.
3823 (init_alias_analysis): Likewise.
3824 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
3826 (cse_basic_block): Fix typo in comment.
3827 * emit-rtl.c: Include hashtab.h.
3828 (const_int_htab): New variable.
3829 (const_int_htab_hash): New function.
3830 (const_int_htab_eq): Likewise.
3831 (rtx_htab_mark_1): Likewise.
3832 (rtx_htab_mark): Likewise.
3833 (gen_rtx_CONST_INT): Cache all CONST_INTs.
3834 (unshare_all_rtx): Fix formatting.
3835 (init_emit_once): Initialize const_int_htab.
3836 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
3838 * rtl.texi: Document the fact that all CONST_INTs with the same
3841 2000-03-30 Richard Henderson <rth@cygnus.com>
3843 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
3845 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
3847 * configure.in: Comment out --enable-c-cpplib stanza.
3848 * configure: Regenerate.
3850 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3852 * expr.c (store_constructor): Properly compute displacement and
3853 alignment when offset is variable.
3855 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
3856 cases of alignment in bytes.
3858 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
3860 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
3861 since it is used to generate c-parse.y.
3862 * objc-parse.c, objc-parse.y: Regenerated.
3864 * function.c (expand_function_end): Pass alignment argument to
3865 emit_block_move in bits, not bytes.
3867 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3869 * expr.c (move_by_pieces_ninsns): Fix one more missing align
3872 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
3874 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
3875 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
3876 * function.c (assign_parms): Likewise.
3877 * integrate.c (expand_inline_function): Likewise.
3878 * stmt.c (expand_decl): Likewise.
3879 (copy_rtx_and_substitute): Likewise.
3880 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
3881 (clear_by_pieces): Fix error in last change.
3882 * emit-rtl.c (init_emit): Set known registers alignment in bits.
3883 * function.h (regno_pointer_align): Now unsigned.
3884 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
3886 * config/i386/i386.c (aligned_operand): Likewise.
3887 * config/sparc/sparc.c (mem_min_alignment): Likewise.
3888 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
3889 (unaligned_memory_operand): Likewise.
3890 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
3891 Also make alignments and sizes unsigned and some whitespace cleanup.
3892 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
3894 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
3895 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
3896 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
3897 (expand_builtin_memset): Likewise, but to clear_storage.
3898 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
3899 (restore_fixed_argument_area): Likewise.
3900 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
3901 (load_register_parameters): Likewise, to emit_group_load.
3902 (expand_call): Likewise, to emit_group_store and emit_block_move.
3903 (emit_library_call_value_1): Likewise, to emit_block_move.
3904 (store_one_arg): Likewise, and to emit_push_insn.
3905 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
3906 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
3907 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
3908 (emit_block_move, emit_group_load, emit_group_store): Likewise.
3909 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
3910 (expand_assigment, store_expr, store_constructor_field): Likewise.
3911 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
3912 (store_constructor, store_field, get_inner_reference): Likewise.
3913 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
3914 (expand_expr, case COMPONENT_REF): Likewise.
3915 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
3916 and positions; reindent code.
3917 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
3918 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
3919 (assign_parms): Likewise to emit_group_store.
3920 * optabs.c (prepare_cmp_insn): Alignment is in bits.
3921 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
3922 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
3923 (expand_return): Likewise to {extract,store}_bit_field.
3924 * stor-layout.c (get_mode_alignment): Minor cleanup.
3925 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
3926 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
3928 2000-03-29 Nick Clifton <nickc@cygnus.com>
3930 * config/arm/arm.h: Undo effects of previous delta:
3931 (ASM_SPEC): Do not define.
3932 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
3934 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
3937 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3939 * cppinit.c (cpp_start_read): Call initialize_dependency_output
3940 only after reading in the primary source file.
3942 2000-03-29 Geoff Keating <geoffk@cygnus.com>
3944 * c-common.c (c_common_nodes_and_builtins): The first parameter to
3945 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
3946 or a reference to a va_list.
3947 * builtins.c (stabilize_va_list): Simplify now we don't have to
3948 work around C array address decay.
3949 * c-typeck.c (convert_for_assignment): Handle assignment to
3950 a reference parameter by taking the address of the RHS.
3951 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
3952 (va_copy): Likewise.
3953 (__va_copy): Likewise.
3954 * ginclude/varargs.h (va_start): Likewise.
3955 (__va_copy): Likewise.
3957 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
3959 * i386/djgpp.h: Remove extraneous "+".
3961 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
3963 * calls.c (expand_call): Fix typo in last change.
3965 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
3967 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
3970 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3972 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
3973 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
3974 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
3975 * tree.c (bit_position, byte_position): Likewise.
3976 * tree.h: Declare new functions.
3978 2000-03-29 Nick Clifton <nickc@cygnus.com>
3980 * config/arm/arm.c: Minor formatting changes/
3981 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
3983 (ASM_SPEC): Define if not already defined.
3985 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3987 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
3990 2000-03-29 Jakub Jelinek <jakub@redhat.com>
3992 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
3993 value, don't output it as unsigned.
3995 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
3997 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
3999 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4001 * c-common.c (c_common_nodes_and_builtins): Don't special case
4002 cplus_mode when declaring builtin bzero/bcmp, always avoid
4003 prototype arguments.
4005 2000-03-29 Bruce Korb <bkorb@gnu.org>
4007 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
4010 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
4012 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
4013 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
4014 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
4015 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
4016 (save_fixed_argument_area, restore_fixed_argument_area):
4017 conditionize by #ifdef REG_PARM_STACK_SPACE only.
4018 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
4019 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
4020 (precompute_register_parameters): Avoid #ifdefs on
4021 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
4022 (stire_one_args): Likewise.
4023 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
4024 (emit_library_call_value_1): Likewise.
4025 (compute_argument_block_size): Align to STACK_BOUNDARY only for
4026 ACCUMULATE_OUTGOING_ARGS.
4027 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
4029 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
4030 (use_crosses_set_p): Likewise.
4031 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
4032 #define ACCUMULATE_OUTGOING_ARGS 1.
4033 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
4035 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
4037 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
4038 (TARGET_SWITCHES): Add push-args, no-push-args,
4039 accumulate-outgoing-args and no-accumulate-outgoing-args.
4040 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
4041 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
4042 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
4044 (emit_push_insn): Likewise.
4045 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
4046 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
4047 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
4048 (STACK_DYNAMIC_OFFSET): Define correctly for both
4049 ACCUMULATE_OUTGOING_ARGS and normal mode.
4050 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
4051 * tm.texi (PUSH_ARGS): Document.
4052 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
4054 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
4056 * flags.h (flag_optimize_sibling_calls): Declare.
4057 * calls.c (expand_call): Fail sibcall when
4058 !flag_optimize_sibling_calls
4059 * invoke.texi (flag_optimize_sibling_calls): Document.
4060 * toplev.c (flag_optimize_sibling_calls): New global variable.
4061 (f_options): Add flag_optimize_sibling_calls.
4062 (rest_of_compilation): Conditionize
4063 optimize_sibling_and_tail_recursive_calls by
4064 flag_optimize_sibling_calls.
4065 (main): Set flag_optimize_sibling_calls for -O2.
4066 * stmt.c (expand_return): Conditionize tail recursion by
4067 flag_optimize_sibling_calls.
4069 2000-03-29 Richard Henderson <rth@cygnus.com>
4071 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
4072 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
4074 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
4076 * except.c (add_eh_table_entry): Mark type_info's as referenced.
4078 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4080 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
4082 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
4083 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
4084 * config/rs6000/aix.h: then modified likewise.
4086 2000-03-28 Richard Henderson <rth@cygnus.com>
4088 * rtl.h: Redistribute enum reg_note documentation.
4089 Kill trailing whitespace.
4090 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
4091 Kill trailing whitespace.
4093 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
4095 * cppfiles.c (hash_IHASH): Just return i->hash.
4096 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
4097 htab_find_with_hash.
4098 (cpp_read_file): Likewise.
4099 (find_include_file): Likewise. Properly initialize
4100 ih->nshort. Share ih->name and ih->nshort if possible.
4101 * cpphash.c (_cpp_calc_hash): New function.
4102 (hash_HASHNODE): Just return h->hash.
4103 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
4104 htab_find_with_hash.
4105 * cpphash.h: Prototype _cpp_calc_hash.
4106 * cppinit.c (initialize_builtins): Provide a valid hash
4107 to _cpp_make_hashnode, using _cpp_calc_hash.
4109 * cpphash.c (collect_expansion): # is not a special character
4110 in object-like macros. In -traditional mode, /**/ is not
4111 token paste at the beginning or end of the line.
4112 * cpplib.c (do_include, do_import, do_include_next): If
4113 parse_include fails, return immediately.
4115 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
4117 * config/arm/arm.md (return peepholes): Update to reflect the new
4119 * config/arm/arm.c (arm_volatile_func): Also check
4120 current_function_nothrow.
4121 (output_return_instruction, output_func_prologue): Use it.
4122 (arm_output_epilogue, arm_expand_prologue): Likewise.
4124 2000-03-27 Tom Tromey <tromey@cygnus.com>
4126 * gcc.c (handle_braces): In {x*...} case, break out of loop if
4129 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4131 * expr.c (store_constructor): SIZE now signed.
4132 For EXPR_SIZE, don't evaluate size; just needed if constant.
4133 * fold-const.c (fold): Fix a number of cases when folded tree is
4135 * function.c (flush_addressof): Reenable.
4136 * tree.h (flush_addressof): Likewise.
4137 * toplev.c (independent_decode_option): Look at strings_processed.
4138 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
4140 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
4142 * sibcall.c (indentify_call_return_value): Find last call in the chain;
4143 Allow stack adjustment after function call.
4145 * regmove.c (struct csa_memlist): Make mem field rtx *.
4146 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
4147 (try_apply_stack_adjustment): Replace whole MEM rtx.
4148 (combine_stack_adjustments_for_block): Update calls
4149 to record_one_stack_ref.
4151 2000-03-28 Neil Booth <NeilB@earthling.net>
4153 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
4154 '\\' rather than a null character, so nulls are not special. Fix
4155 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
4156 speed trigraph conversion.
4157 (_cpp_init_input_buffer): Initialize trigraph map.
4159 2000-03-27 Alan Modra <alan@linuxcare.com.au>
4161 * config/i386/i386.c (output_387_binary_op): Correct intel
4162 mode assembly output, and add spaces after commas in AT&T
4163 output. Correct Unixware assembler comment. Document input
4164 constraints. Comment fp operations. Reduce profligate buffer
4165 size. Remove extraneous abort. Localize temp var.
4166 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
4167 (output_fix_trunc): Add spaces after commas in assembly output.
4169 2000-03-27 Richard Henderson <rth@cygnus.com>
4171 * i386-protos.h (ix86_match_ccmode): Declare.
4172 * i386.c (ix86_match_ccmode): New.
4173 (ix86_expand_fp_compare): Update for pattern renames.
4174 (ix86_expand_strlensi_unroll_1): Likewise.
4175 * i386.h (EXTRA_CC_MODES): Add CCZ.
4176 (SELECT_CC_MODE): Use it for EQ/NE zero.
4177 * i386.md (cmpsi_ccz_1): New.
4179 (*testsi_ccz_1): New.
4180 (testqi_ccz_1): New.
4181 (cmpsi_ccno_1): Rename from cmpsi_0.
4182 (testsi_ccno_1): Rename from testsi_1.
4183 (testqi_ccno_1): Rename from testqi_1.
4184 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
4185 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
4186 (*cmphi_0): Use ix86_match_ccmode.
4187 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
4188 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
4189 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
4190 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
4191 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
4192 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
4193 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
4194 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
4195 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
4196 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
4197 (appropriate peepholes): Likewise.
4198 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
4199 (*subsi_3, *subhi_3, *subqi_3): Remove.
4200 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
4201 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
4202 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
4203 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
4204 (x86_shift_adj_1): Use CCZ.
4205 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
4207 2000-03-27 Stan Cox <scox@cygnus.com>
4209 * resource.h (mark_resource_type): New.
4210 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
4211 find_free_register): Use mark_resource_type.
4212 (mark_set_resources): Change include_delayed_effects
4213 to mark_resource_type.
4214 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
4215 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
4216 Use mark_resource_type.
4218 2000-03-27 Richard Henderson <rth@cygnus.com>
4220 * i386.md (call_pop_0, call_value_pop_0): New.
4221 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
4222 (call_value_pop_1): Likewise.
4223 (call_0, call_value_0): New.
4224 (call_1, call_value_1): Remove constraint from unused arg.
4226 2000-03-27 Nick Clifton <nickc@cygnus.com>
4228 * invoke.texi (Spec Files): Document new spec % command created by
4229 Tom Tromey's recent patch.
4231 2000-03-27 Jakub Jelinek <jakub@redhat.com>
4233 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
4236 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4238 * expr.c (expand_assignment): Fix typo in last change.
4240 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
4242 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4244 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
4245 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
4246 and DECL_INLINE if FUNCTION_DECL.
4247 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
4248 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
4249 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
4250 (combine_parm_decls): Likewise.
4251 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
4252 * print-tree.c (print_node): Likewise.
4253 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
4254 DECL_TRANSPARENT_UNION on proper decl types.
4255 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
4256 * stor-layout.c (layout_decl): Only check DECL_PACKED and
4257 DECL_BIT_FIELD of FIELD_DECL.
4258 * tree.h (DECL_RESULT_FLD): New macro.
4260 * expr.c (expand_assignment): Add code to handle variable-sized
4263 2000-03-26 Richard Henderson <rth@cygnus.com>
4265 * calls.c (expand_call): Pass parms not original exp to
4266 optimize_tail_recursion. Mind return value instead of looking
4268 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
4269 call_expr. Move checks for call_expr and current_function_decl ...
4270 (expand_return): ... here.
4272 2000-03-26 Tom Tromey <tromey@cygnus.com>
4274 * gcc.c (handle_braces): Recognize `%{<S}' construct.
4275 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
4277 (process_command): Use them.
4278 (check_live_switch): Likewise.
4279 (give_switch): Skip ignored switches.
4281 2000-03-26 Jan Hubicka <jh@suse.cz>
4283 * jump.c (jump_optimize_1): Fix typo in elide optimizations
4284 for minimal jump pass test.
4286 2000-03-26 Mark Mitchell <mark@codesourcery.com>
4288 * integrate.c (function_cannot_inline_p): Do inline functions that
4291 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4293 * stor-layout.c (layout_type, set_sizetype): early_type_list is
4294 now a list of TREE_LIST entries, not types.
4295 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
4297 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
4298 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
4300 * config/mips/mips.c (function_arg): Likewise; also remove cast
4301 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
4302 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
4303 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
4304 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
4305 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
4306 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
4307 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
4308 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
4309 num_adjusts now unsigned.
4310 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
4311 * config/sparc/sparc.c (struct function_arg_record_value_parms):
4313 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
4314 as is BITPOS variable; use host_integerp and int_bit_position.
4315 (function_arg_record_value_2): Likewise.
4316 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
4317 Variable REGNO now unsigned.
4318 (function_arg_record_value): NREGS now unsigned.
4320 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
4322 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
4324 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4326 * Rework fields used to describe positions of bitfields and
4327 modify sizes to be unsigned and use HOST_WIDE_INT.
4328 * alias.c (reg_known_value_size): Now unsigned.
4329 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
4330 (really_start_incremental_init): Use bitsize_zero_node.
4331 (push_init_level, pop_init_level, output_init_element): Likewise.
4332 Use bitsize_unit_node and bitsize_one_node.
4333 (output_pending_init_elements, process_init_element): Likewise.
4334 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
4335 (make_extraction): Position and length HOST_WIDE_INT and unsigned
4336 HOST_WIDE_INT, respectively.
4337 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
4338 (num_sign_bit_copies): Returns unsigned.
4339 BITWIDTH now unsigned; rework arithmetic.
4340 Remove recursive call from arg to MAX.
4341 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
4342 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
4344 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
4345 (find_split_point, expand_compound_operation, make_extraction): LEN
4346 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
4347 (make_field_assignment): Likewise.
4348 (combine_simplify_rtx): Add cast.
4349 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
4350 (force_to_mode): WIDTH now unsigned; add cast.
4351 (if_then_else_cond): SIZE now unsigned.
4352 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
4353 (extended_count): Now returns unsigned.
4354 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
4355 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
4356 (simplify_comparison): MODE_WIDTH now unsigned.
4357 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
4358 (mark_used_regs_combine): Likewise; rework arithmetic.
4359 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
4360 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
4361 (record_promoted_value): REGNO now unsigned.
4362 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
4363 (get_last_value): REGNO now unsigned.
4364 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
4365 (reg_dead_regno, reg_dead_endregno): Now unsigned.
4366 (remove_death): Arg REGNO now unsigned.
4367 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
4368 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
4370 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
4371 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
4372 (struct cse_reg_info): REGNO now unsigned.
4373 (cached_regno): Now unsigned.
4374 (REGNO_QTY_VALID_P): Add cast.
4375 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
4376 (remove_invalid_regs): Likewise.
4377 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
4378 as are variables END and I.
4379 (get_cse_reg_info, insert): Likewise.
4380 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
4381 (canon_hash): Likewise.
4382 (insert_regs, lookup_for_remove): REGNO now unsigned.
4383 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
4385 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
4386 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
4387 * emit-rtl.c (subreg_realpart_p): Add cast.
4388 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
4389 (operand_subword_force): Arg I is now unsigned.
4390 * except.c (eh_regs): Variable I is now unsigned.
4391 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
4392 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
4393 length is unsigned HOST_WIDE_INT; likewise for internal variables.
4394 (store_split_bit_field, extract_fixed_bit_field): Likewise.
4395 (extract_split_bit_field, store_bit_field, extract_bit_field):
4397 * expr.c (store_constructor_fields, store_constructor, store_field):
4398 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
4399 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
4400 (do_jump): Likewise.
4401 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
4402 MAX_SIZE is now unsigned.
4403 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
4404 (emit_group_store): Likewise.
4405 (emit_move_insn): I now unsigned.
4406 (store_constructor): Use host_integerp, tree_low_cst, and
4408 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
4409 Rework all calculations to use trees and new fields.
4410 * expr.h (promoted_input_arg): Regno now unsigned.
4411 (store_bit_field, extract_bit_field): Adjust types of pos and size.
4412 (mark_seen_cases): Arg is HOST_WIDE_INT.
4413 * flow.c (verify_wide_reg_1): REGNO now unsigned.
4414 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
4415 precisions and alignments are unsigned.
4416 (optimize_bit_field_compare, fold_truthop): Likewise.
4417 (int_const_binop): Adjust threshold for size_int_type_wide call.
4418 (fold_convert): Likewise.
4419 (size_int_type_wide): Make table larger and fix thinko that only
4420 had half of table used.
4421 (all_ones_mask_p, fold): Precisions are unsigned.
4422 * function.c (put_reg_info_stack): REGNO is unsigned.
4423 (instantiate_decl): Size is HOST_WIDE_INT.
4424 (instantiate_virtual_regs): I is unsigned.
4425 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
4426 (promoted_input_arg): REGNO is unsigned.
4427 * function.h (struct function): x_max_parm_reg is now unsigned.
4428 * gcse.c (max_gcse_regno): Now unsigned.
4429 (struct null_pointer_info): min_reg and max_reg now unsigned.
4430 (lookup_set, next_set): REGNO arg now unsigned.
4431 (compute_hash_table): REGNO and I now unsigned.
4432 (handle_avail_expr): regnum_for_replacing now unsigned.
4433 (cprop_insn): REGNO now unsigned.
4434 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
4435 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
4436 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
4437 * hard-reg-set.h (reg_class_size): Now unsigned.
4438 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
4439 * jump.c (mark_modified_reg): I now unsigned; add cast.
4440 (rtx_equal_for_thread_p): Add cast.
4441 * loop.c (max_reg_before_loop): Now unsigned.
4442 (struct_movable): REGNO now unsigned.
4443 (try_copy_prop): REGNO arg unsigned.
4444 (regs_match_p): XN and YN now unsigned.
4445 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
4446 (strength_reduce): Likewise; NREGS also unsigned.
4447 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
4448 * loop.h (struct iv_class): REGNO now unsigned.
4449 (max_reg_before_loop, first_increment_giv, last_increment_giv):
4451 * machmode.h (mode_size, mode_unit_size): Now unsigned.
4452 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
4453 * optabs.c (expand_binop): I and NWORDS now unsigned.
4454 (expand_unop): I now unsigned.
4455 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
4456 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
4457 * real.c (significand_size): Now returns unsigned.
4458 * real.h (significand_size): Likewise.
4459 * regclass.c (reg_class_size): Now unsigned.
4460 (choose_hard_reg_mode): Both operands now unsigned.
4461 (record_reg_classes): REGNO and NR now unsigned.
4462 (reg_scan): NREGS now unsigned.
4463 (reg_scan_update): old_max_regno now unsigned.
4464 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
4465 * reload.c (find_valid_class): BEST_SIZE now unsigned.
4466 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
4467 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
4468 Likewise for variable R.
4469 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
4470 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
4471 (find_equiv_reg): Add casts.
4472 (regno_clobbered_p): Arg REGNO now unsigned.
4473 * reload.h (struct reload): NREGS now unsigned.
4474 (refers_to_regno_for_reload_p): Regno args are unsigned.
4475 (regno_clobbered_p): Likewise.
4476 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
4477 (compute_use_by_pseudos): REGNO now unsigned.
4478 (find_reg): I and J now unsigned, new variable K, and change loop
4479 variables accordingly; THIS_NREGS now unsigned.
4480 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
4481 (spill_hard_reg): REGNO arg now unsigned; add casts.
4482 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
4483 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
4484 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
4485 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
4486 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
4487 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
4488 (emit_reload_insns): REGNO now unsigned.
4489 (reload_cse_move2add): Add cast.
4490 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
4492 * resource.c (mark_referenced_resources, mark_set_resources): New
4493 variable R; REGNO and LAST_REGNO now unsigned.
4494 (mark_target_live_regs): J and REGNO now unsigned.
4495 * rtl.c (mode_size, mode_unit_size): Now unsigned.
4496 * rtl.h (union rtunion_def): New field rtuint.
4497 (XCUINT): New macro.
4498 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
4499 (operand_subword, operand_subword_force): Word number is unsigned.
4500 (choose_hard_reg_mode): Operands are unsigned.
4501 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
4502 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
4503 (regno_use_in, combine_instructions, remove_death): Likewise.
4504 (reg_scan, reg_scan_update): Likewise.
4505 (extended_count): Return is unsigned.
4506 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
4507 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
4508 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
4509 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
4510 (reg_reg_last_1): FIRS and LAST now unsigned.
4511 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
4512 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
4514 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
4515 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
4516 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
4517 (replace_regs): Arg NREGS now unsigned.
4518 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
4519 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
4520 (simplify_binary_operation): Likewise.
4521 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
4522 THIS_LAST now unsigned.
4523 (cselib_record_set): Add cast.
4524 * ssa.c (ssa_max_reg_num): Now unsigned.
4525 (rename_block): REGNO now unsigned.
4526 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
4528 (all_cases_count): Just return -1 not -2.
4529 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
4530 Rework tests to use trees whenever possible.
4531 Use host_integerp and tree_low_cst.
4532 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
4533 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
4534 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
4535 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
4536 (smallest_mode_for_size): Likewise.
4537 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
4538 KNOWN_ALIGN is now an alignment, so simplify code.
4539 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
4540 (start_record_layout): Renamed from new_record_layout_info.
4541 Update to new fields.
4542 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
4544 (place_union_field): Renamed from layout_union_field.
4545 Update to use new fields in rli.
4546 (place_field): Renamed from layout_field.
4547 Major rewrite to use new fields in rli; pass alignment to layout_decl.
4548 (finalize_record_size): Rework to use new fields in rli and handle
4550 (compute_record_mode): Rework to simplify and to use new DECL fields.
4551 (finalize_type_size): Make rounding more consistent.
4552 (finish_union_layout): Deleted.
4553 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
4554 (layout_type, case RECORD_TYPE): Call new function names.
4555 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
4556 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
4557 (get_best_mode): UNIT is now unsigned; remove casts.
4558 * tree.c (bit_position): Compute from new fields.
4559 (byte_position, int_byte_position): New functions.
4560 (print_type_hash_statistics): Cast to remove warning.
4561 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
4562 (build_index_type): Likewise; make subtype of sizetype.
4563 (build_index_2_type): Pass sizetype to build_range_type.
4564 (build_common_tree_nodes): Use size_int and bitsize_int to
4565 initialize nodes; add bitsize_{zero,one,unit}_node.
4566 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
4567 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
4568 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
4569 (DECL_FIELD_BITPOS): Deleted.
4570 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
4571 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
4572 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
4573 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
4574 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
4575 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
4576 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
4577 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
4578 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
4579 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
4580 (DECL_ALIGN): Adjust to new field in union.
4581 (DECL_OFFSET_ALIGN): New field.
4582 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
4583 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
4584 (union tree_decl): Add struct for both aligns.
4585 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
4586 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
4587 (struct record_layout_info): Rework fields to have offset
4588 alignment and byte and bit position.
4589 (start_record_layout, place_field): Renamed from old names.
4590 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
4591 (byte_position, int_byte_position): Likewise.
4592 (get_inner_reference): Change types of position and length.
4593 * unroll.c (unroll_loop): New variable R; use for some loops.
4594 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
4595 (calculate_giv_inc): Arg REGNO now unsigned.
4596 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
4597 * varasm.c (assemble_variable): Clean up handling of size using
4598 host_integerp and tree_low_cst.
4599 (decode_addr_const): Use byte, not bit, position.
4600 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
4601 use tree_low_cst and int_bit_position.
4602 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
4604 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
4606 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
4607 (reorder_block_def): New members eff_head and eff_end.
4608 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
4609 (verify_insn_chain): New function.
4610 (skip_insns_between_block): Add code to skip deleted insns.
4611 Check for note before using.
4612 (chain_reorder_blocks): Replace calls to skip_insns_between_block
4613 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
4614 Check for note before using.
4615 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
4616 (fixup_reorder_chain): Restructure, clean up, defect removal.
4617 (reorder_basic_blocks): Remove last_insn and references to it.
4618 Moved insn chain verification code into a new function (see above).
4619 Delete defective code that sets last insn.
4620 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
4623 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4625 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
4627 2000-03-24 Richard Henderson <rth@cygnus.com>
4629 * tree.c (lang_safe_for_unsave): Remove.
4630 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
4631 allowing for two levels of unsafeness. Remove lang hook.
4632 * tree.h: Update declarations.
4633 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
4634 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
4635 Always fail sibcalls when there are pending cleanups.
4637 2000-03-24 Geoff Keating <geoffk@cygnus.com>
4639 * flow.c (propagate_block): When we delete an ADDR_VEC,
4640 also delete the BARRIER following it if there is one.
4642 2000-03-24 Richard Henderson <rth@cygnus.com>
4644 * builtins.c (expand_builtin_bzero): Convert `length' argument
4647 2000-03-24 Jakub Jelinek <jakub@redhat.com>
4649 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
4650 comparison if regno's are equal.
4651 * calls.c (initialize_argument_informat): Add ecf_flags argument.
4652 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4653 (expand_call): Update caller.
4654 Avoid making a sibling call if argument size of the callee is larger
4655 than argument size of the caller.
4656 Call hard_function_value with outgoing set if in sibcall pass.
4657 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4659 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
4660 Change LEAF_REGISTERS from an array initializer to actual array
4661 identifier. Move static global variable into the function.
4662 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
4663 sequences for leaf functions.
4664 * global.c (global_alloc): Likewise.
4665 * tm.texi (LEAF_REGISTERS): Update documentation.
4667 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
4668 TARGET_FLAT leaf disabling hack.
4669 (LEAF_REGISTERS): Changed from an array initializer to actual array
4670 identifier to avoid duplication and remove the above hack.
4671 (FUNCTION_OK_FOR_SIBCALL): Define.
4672 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
4673 always like call attribute.
4674 (eligible_for_sibcall_delay): New attribute.
4675 (sibcall): New delay type.
4676 (sibcall, sibcall_value, sibcall_epilogue): New expands.
4677 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
4678 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
4679 * config/sparc/sparc.c (sparc_leaf_regs): New array.
4680 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
4682 (output_function_epilogue): Move part of the code into
4683 output_restore_regs.
4684 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
4686 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
4689 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
4690 until infrastructure is finished.
4692 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
4694 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
4695 (save_parm_insns): Not here.
4697 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4699 * builtins.c (expand_builtin_bzero): New function.
4700 (expand_builtin): Handle bzero.
4702 * builtins.def: Add BUILT_IN_BZERO.
4704 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4705 prototype & function for bzero.
4707 2000-03-23 Michael Meissner <meissner@redhat.com>
4709 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
4710 change adding TARGET_FP to the TF floating point insns, except for
4711 trunctfsf2, which generates direct calls to truncdfsf2.
4713 2000-03-23 Geoff Keating <geoffk@cygnus.com>
4715 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
4716 try to protect against middle-end changes that break binary
4718 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
4720 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4722 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
4724 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4726 * calls.c (expand_call): If TARGET is passed by reference and
4727 is readonly, write a CLOBBER.
4729 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4731 * builtins.c (expand_builtin): Handle bcmp.
4733 * builtins.def: Add BUILT_IN_BCMP.
4735 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4736 prototype & function for bcmp.
4738 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
4740 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
4741 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
4742 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
4744 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
4746 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
4747 alternative when using -fp64 -gp32.
4749 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4751 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
4752 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
4753 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
4755 * frame.h (frame_state): Revert last change.
4756 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
4757 * libgcc2.c (throw_helper): Revert last change.
4759 2000-03-22 Richard Henderson <rth@cygnus.com>
4761 * stmt.c (expand_asm_operands): Don't promote the temporary.
4763 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4765 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
4766 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
4767 c_get_alias_set): Likewise.
4768 * c-decl.c (duplicate_decls): Likewise.
4769 * c-typeck.c (default_conversion,build_unary_op): Likewise.
4770 * calls.c (initialize_argument_information): Likewise.
4771 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
4773 * dwarfout.c (decl_class_context,output_type): Likewise.
4774 * expr.c (get_inner_reference): Likewise.
4775 * fold-const.c (simple_operand_p,fold): Likewise.
4776 * function.c (aggregate_value_p): Likewise.
4777 * stmt.c (expand_asm_operands): Likewise.
4778 * varasm.c (named_section): Likewise.
4780 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4782 Implement dwarf2 exception handling for the ARM.
4783 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
4784 (DWARF_FRAME_RETURN_COLUMN): Define.
4785 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
4786 REG_FRAME_RELATED_EXPR note.
4787 (emit_sfm): Likewise.
4788 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
4789 * dwarf2out.c (reg_save): Handle saving a register to itself.
4790 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
4791 * except.c (eh_regs): Don't use the static chain reg if it's
4793 * frame.h (frame_state): Add cfa_saved field.
4794 * frame.c (execute_cfa_insn): Set it.
4795 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
4797 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
4799 (instantiate_virtual_regs): Adjust.
4801 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4802 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4803 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
4805 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
4806 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
4808 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4810 * builtins.def: New file.
4812 * Makefile.in (TREE_H): Depend on builtins.def.
4814 * builtins.c (built_in_names): Use builtins.def.
4816 * tree.h (built_in_function): Likewise.
4818 2000-03-22 Mark Mitchell <mark@codesourcery.com>
4820 * tree.c (size_in_bytes): Return size_zero_node, not
4823 2000-03-22 Geoff Keating <geoffk@cygnus.com>
4825 * config/fp-bit.c (pack_d): Correct the case when a denormal
4826 is rounded up and stops being denormal.
4828 2000-03-21 Richard Henderson <rth@cygnus.com>
4830 * config/alpha/alpha.c (function_arg): Check for void_type_node
4831 before using MUST_PASS_IN_STACK.
4833 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
4835 * regmove.c (combine_stack_adjustments_for_block): Check that
4836 the stack pointer is a valid memory address.
4838 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
4840 * calls.c: re-install Mar 16 emit_library_call merge.
4842 2000-03-21 Jakub Jelinek <jakub@redhat.com>
4844 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
4845 we cannot be sure that if reload_completed base register will
4846 be properly aligned.
4848 2000-03-21 Richard Henderson <rth@cygnus.com>
4850 * flow.c (delete_block): Fix typo last change.
4852 2000-03-21 Mark Mitchell <mark@codesourcery.com>
4854 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
4855 not COMPLETE_TYPE_P, to check the type of the expression.
4857 2000-03-21 Michael Meissner <meissner@redhat.com>
4859 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
4860 all floating point insns that just tested the macro
4861 TARGET_HAS_XFLOATING_LIBS.
4862 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
4863 used to only use the gprs.
4865 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
4867 * tree.h (COMPLETE_TYPE_P): New macro.
4868 (COMPLETE_OR_VOID_TYPE_P): New macro.
4869 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
4870 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
4871 * c-aux-info.c (gen_type): Use them.
4872 * c-common.c (c_expand_expr_stmt): Likewise.
4873 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
4874 grokdeclarator, grokparms, finish_struct, start_function,
4875 store_parm_decls, combine_parm_decls): Likewise.
4876 * c-parse.y (cast_expr): Likewise.
4877 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
4878 c_size_in_bytes, c_alignof, build_component_ref,
4879 build_indirect_ref, build_array_ref, convert_arguments,
4880 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
4881 * calls.c (initialize_argument_information): Likewise.
4882 * convert.c (convert_to_integer): Likewise.
4883 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
4884 * dwarfout.c (location_or_const_value_attribute,
4885 output_enumeration_type_die, output_structure_type_die,
4886 output_union_type_die, output_type): Likewise.
4887 * expr.c (safe_from_p, expand_expr): Likewise.
4888 * function.c (assign_parms): Likewise.
4889 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
4890 * tree.c (build_array_type, build_function_type,
4891 build_method_type, build_offset_type, build_complex_type): Likewise.
4892 * c-parse.c, c-parse.h: Regenerated.
4894 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4896 * config/c4x/rtems.h: Include config/rtems.h.
4898 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
4900 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
4901 decl is a FUNCTION_DECL
4903 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
4905 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
4906 function uses output registers. Don't save RP for leaf functions.
4907 Do save RP even if no epilogue.
4908 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
4909 (CALL_USED_REGISTERS): Unmark in registers.
4910 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
4913 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4915 * config/rs6000/rs6000.md (bunordered): New expander.
4916 (bordered): New expander.
4917 (buneq): New expander.
4918 (bunge): New expander.
4919 (bungt): New expander.
4920 (bunle): New expander.
4921 (bunlt): New expander.
4922 (bltgt): New expander.
4924 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
4925 (ccr_bit_negated_p): New function.
4926 (print_operand): For %C, generate appropriate cror for UNEQ,
4927 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
4929 2000-03-20 Andreas Jaeger <aj@suse.de>
4931 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
4934 * tree.h (safe_for_unsave): Prototype.
4936 2000-03-20 Richard Henderson <rth@cygnus.com>
4938 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
4939 (combine_stack_adjustments_for_block): Don't allow sp references
4940 in the side of a set we're not fixing up.
4941 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
4942 after life_analysis.
4944 2000-03-20 Richard Henderson <rth@cygnus.com>
4946 * calls.c (expand_call): Don't bother generating tail call
4947 sequences if there are pending cleanups. Use
4948 expand_start_target_temps/expand_end_target_temps to elide
4949 cleanups created during sibcall expansion.
4951 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4953 * configure.in: Set $IFS to a value if it doesn't already have one
4954 in the --enable-checking handling.
4955 * configure: Regenerate.
4957 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4959 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
4960 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4963 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
4965 * jump.c (delete_noop_moves): Remove code attempting to
4966 combine stack adjustments.
4968 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4970 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
4971 * except.c (emit_cleanup_handler): Use them.
4972 (expand_end_all_catch): Likewise.
4973 * function.c (fixup_var_refs): Likewise.
4974 (expand_function_end): Clear catch_clauses_last.
4975 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
4976 * except.h (struct eh_status): New field x_catch_clauses_last.
4977 (catch_clauses_last): New define.
4979 * Makefile.in (tree.o): Depend on HASHTAB_H.
4980 * tree.c: Include hashtab.h.
4981 (struct type_hash): Remove next field.
4982 (TYPE_HASH_SIZE): Remove.
4983 (TYPE_HASH_INITIAL_SIZE): New define.
4984 (type_hash_table): Change type to htab_t.
4985 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
4986 mark_hash_entry): New functions.
4987 (init_obstacks): Allocate type hash.
4988 (type_hash_lookup): Use htab functions.
4989 (type_hash_add, mark_type_hash): Likewise.
4990 (dump_tree_statistics): Call print_type_hash_statistics.
4992 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4994 * rs6000/t-aix41: New file.
4996 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
4998 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
5000 * tm.texi (Driver): Fix typos and tweak entry for
5002 Move misplaced STRUCT_FORCE_BLK entry ...
5003 (Storage Layout): ... to here.
5004 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
5006 2000-03-19 Richard Henderson <rth@cygnus.com>
5008 * flow.c (delete_block): Delete the addr_vec along with the block.
5009 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
5012 * fold-const.c (extract_muldiv): Apply type check for defined
5013 overflow to multiply as well as divide.
5015 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
5017 2000-03-18 Mark Mitchell <mark@codesourcery.com>
5019 * emit-rtl.c (remove_unncessary_notes): Check that all
5020 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
5021 associated NOTE_BLOCK.
5022 * function.h (identify_blocks): Update comments.
5023 (reorder_blocks): Declare.
5024 * function.c (identify_blocks): Don't take paramters.
5025 (reorder_blocks): Don't take parameters.
5026 * loop.h (find_loop_tree_blocks): Remove.
5027 (unroll_block_trees): Likewise.
5028 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
5029 reorder_blocks instead of unroll_block_trees.h
5030 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
5031 * stmt.c (find_loop_tree_blocks): Remove.
5032 (unroll_block_trees): Likewise.
5033 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
5034 in whole-function mode.
5035 * tree.h (reorder_blocks): Remove declaration.
5037 * expr.c: Include intl.h.
5038 * Makefile.in (expr.o): Depend on intl.h.
5040 2000-03-18 Richard Henderson <rth@cygnus.com>
5042 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
5044 2000-03-18 Mark Mitchell <mark@codesourcery.com>
5046 * tree.h (tree_index): Remove enumerals for integer types.
5047 (integer_type_kind): New type.
5048 (integer_types): New variable.
5049 (char_type_node): Adjust.
5050 (signed_char_type_node): Likewise.
5051 (unsigned_char_type_node): Likewise.
5052 (short_integer_type_node): Likewise.
5053 (short_unsigned_type_node): Likewise.
5054 (integer_type_node): Likewise.
5055 (unsigned_type_node): Likewise.
5056 (long_integer_type_node): Likewise.
5057 (long_unsigned_type_node): Likewise.
5058 (long_long_integer_type_node): Likewise.
5059 (long_long_unsigned_type_node): Likewise.
5060 * tree.c (integer_types): New variable.
5061 (init_obstacks): Register it as a root.
5063 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
5065 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
5066 NEXT_INSN. Update last insn in chain.
5068 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
5070 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
5071 with TYPE_DECL_SUPPRESS_DEBUG set.
5073 2000-03-18 Richard Henderson <rth@cygnus.com>
5075 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
5077 2000-03-18 Richard Henderson <rth@cygnus.com>
5079 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
5080 care for HALF_PIC_P.
5081 (expander_call_insn_operand): Remove.
5082 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
5083 * i386.h (PREDICATE_CODES): Update.
5084 * i386.md (all call expanders): Remove predicates, remove special
5085 handling for half-pic.
5086 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
5087 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
5088 (sibcall_epilogue): New.
5090 2000-03-17 Richard Henderson <rth@cygnus.com>
5092 * rtlanal.c (single_set): Reject if the parallel has anything
5093 except SET or USE or CLOBBER.
5095 2000-03-17 Jeff Law <law@cygnus.com>
5096 Richard Henderson <rth@cygnus.com>
5098 * Makefile.in (OBJS): Add sibcall.o.
5100 * sibcall.c: New file.
5101 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
5102 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
5103 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
5104 Emit sibcall patterns when requested. Update all callers.
5105 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
5106 elimination seems feasable.
5107 * final.c (leaf_function_p): Sibling calls don't discount being
5109 * flow.c (HAVE_sibcall_epilogue): Provide default.
5110 (find_basic_blocks_1): Sibling calls don't throw.
5111 (make_edges): Make edge from sibling call to EXIT.
5112 (propagate_block): Don't remove sibcall_epilogue insns.
5113 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
5114 (sibcall_epilogue): New.
5115 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
5116 (identify_blocks_1): Likewise. Break out from ...
5117 (identify_blocks): ... here.
5118 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
5119 (reorder_blocks): ... here.
5120 (init_function_for_compilation): Zap prologue/epilogue as varrays.
5121 (record_insns): Extend a varray instead of mallocing new memory.
5122 (contains): Read a varray not array of ints.
5123 (sibcall_epilogue_contains): New.
5124 (thread_prologue_and_epilogue_insns): Emit and record
5125 sibcall_epilogue patterns.
5126 (init_function_once): Allocate prologue/epilogue varrays.
5127 * genflags.c (gen_insn): Treat sibcall patterns as calls.
5128 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
5130 (save_for_inline_nocopy): ... here.
5131 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
5133 (expand_inline_function): ... here.
5134 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
5135 (subst_constants): Handle 'n' formats.
5136 * jump.c (jump_optimize_minimal): New.
5137 (jump_optimize_1): New arg `minimal'; update callers. Elide most
5138 optimizations if it's set.
5139 * rtl.c (copy_rtx): Do copy jump & call for insns.
5140 * rtl.h (struct rtx_def): Document use of jump and call for insns.
5141 (SIBLING_CALL_P): New.
5142 (sibcall_use_t): New.
5143 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
5144 Invoke optimize_sibling_and_tail_recursive_calls.
5145 * tree.c (lang_safe_for_unsave): New.
5146 (safe_for_unsave): New.
5147 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
5149 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
5150 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
5151 (*sibcall_osf_1, *sibcall_value_osf_1): New.
5153 2000-03-17 Mark Mitchell <mark@codesourcery.com>
5155 * objc/objc-act.c (encode_method_prototype): Pass types, not
5156 PARM_DECLs, to int_size_in_bytes.
5158 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
5160 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
5162 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
5163 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
5165 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5167 * Clean up usages of TREE_INT_CST_LOW.
5168 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
5169 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
5171 * c-tree.h (min_precision): Move declaration to here.
5172 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
5173 (build_unary_op, add_pending_init): Use bit_position.
5174 (pending_init_member, process_init_element): Likewise.
5175 (really_start_incremental_init, push_init_level, pop_init_level):
5176 Don't make copies of nodes or modify them in place, use consistent
5177 types when tracking positions, and use tree routines computations.
5178 (set_init_index, output_init_element): Likewise.
5179 (output_pending_init_elements, process_init_element): Likewise.
5180 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
5181 tree_low_cst and int_bit_position; also minor cleanup.
5182 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
5183 (print_cst_octal): Precision is unsigned.
5184 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
5185 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
5186 (simple_type_align_in_bits): Result is unsigned int.
5187 Use tree_int_low_cst and host_integerp.
5188 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
5189 (field_byte_offset): Result is HOST_WIDE_INT.
5190 Change types of internal variables so alignments are unsigned int,
5191 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
5192 Use host_integerp, tree_low_cst, and int_bit_position.
5193 (add_bit_offset_attribute): Likewise.
5194 (add_data_member_location_attribute): Use tree_cst_low.
5195 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
5196 (add_bit_size_attribute): Use tree_low_cst.
5197 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
5198 * dwarfout.c: Similar changes to dwarf2out.c.
5199 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
5200 * genoutput.c (n_occurences): Return -1 for null string.
5201 (strip_whitespace): Accept null string and make into function.
5202 (scan_operands): Reflect above changes.
5203 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
5204 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
5205 * ssa.c (rename_registers): Add missing cast of arg to bzero.
5206 * tree.c (int_size_in_bytes): Check for too big to represent.
5207 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
5208 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
5210 (min_precision): Delete from here.
5211 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
5212 and int_bit_position.
5213 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
5214 (encode_method_def): Likewise.
5215 (build_ivar_list_initializer): Use int_bit_position.
5216 (generate_shared_structures): Convert size.
5217 (encode_type, encode_complete_bitfield): Use integer_zerop.
5218 (encode_bitfield): Use tree_low_cst and int_bit_position.
5220 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5222 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
5224 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5226 * call.c (special_function_p): It is only malloc if it returns
5229 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5231 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
5232 (C33_FLAG, TARGET_C3X): Add macros.
5233 (TARGET_SWITCHES): Add -m33 option.
5234 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
5236 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5238 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
5239 (PARALLEL_PACK_FLAG): Delete.
5240 (TARGET_SWITCHES): Update.
5241 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
5243 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5245 * fold-const.c (fold): Fix a few cases when the returned result
5246 is not of the same type as the input.
5248 2000-03-16 Nick Clifton <nickc@cygnus.com>
5250 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
5253 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5255 * libgcc2.h: Move prototypes above macros with the same name.
5256 Wrap some function prototypes in the conditional which indicates
5257 whether they are supported, i.e. "BITS_PER_UNIT == 8".
5259 2000-03-16 Richard Henderson <rth@cygnus.com>
5261 * calls.c: Revert last two changes.
5263 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
5265 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
5266 has exponent 0 is a zero.
5268 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
5269 HASH may already be nonzero. Add code/mode into hash value
5270 immediately after repeat label.
5271 (cselib_lookup): Don't leave the hash table in an inconsistent
5272 state before a hash lookup operation.
5274 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
5276 * i386.md (all HI and QI mode non-move patterns): Conditionize
5277 by TARGET_[HQ]IMODE_MATH.
5278 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
5279 x86_promote_qi_regs): Declare.
5280 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
5281 TARGET_PROMOTE_QI_REGS): New macros.
5282 (PROMOTE_MODE): New macro.
5283 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
5284 x86_promote_qi_regs): New global variables.
5286 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
5288 * calls.c (emit_library_call_value_1): Break out from ...; handle
5289 VOIDmode function calls too.
5290 (emit_library_call_value): ... here.
5291 (emit_library_call): Implement by calling emit_library_call_value_1.
5293 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
5295 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
5296 Update arg_space_so_far on stack adjustments.
5297 (emit_library_call, emit_library_call_value): Likewise; take into
5298 account arg_space_so_far and pending_stack_adjust when calculcating
5301 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
5303 * flow.c: Move all basic block reordering code into its own file.
5304 (create_basic_block): Externalize.
5305 * bb-reorder.c: New file. Copy all basic block reordering code from
5306 flow.c to this file.
5307 (reorder_basic_blocks): Fix fencepost error in for-loop.
5308 (reorder_basic_blocks): Remove braces from single statement for-loops.
5309 * basic-block.h: Add declaration for create_basic_block.
5310 * Makefile.in: Add rules for bb-reorder.o.
5312 2000-03-16 Neil Booth <NeilB@earthling.net>
5314 * cppinit.c (handle_option): Implement #unassert directive
5315 as -A- command line option.
5316 (print_help): Update.
5317 * cpptexi.c: Update.
5319 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
5321 * md.texi (Standard Names): Document `jump'.
5323 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5325 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
5328 2000-03-15 Geoff Keating <geoffk@cygnus.com>
5330 Merge changes from newppc-branch onto trunk.
5332 2000-03-15 Geoff Keating <geoffk@cygnus.com>
5334 * rs6000.c (toc_hash_table): Update for new hash table functions.
5335 (toc_hash_function): Likewise.
5336 (toc_hash_eq): Likewise.
5337 (toc_hash_mark_entry): Likewise.
5338 (toc_hash_mark_table): Likewise.
5339 (output_toc): Likewise.
5340 (rs6000_add_gc_roots): Likewise.
5342 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5344 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
5345 (AR_FLAGS_FOR_TARGET): here. New macro.
5347 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
5349 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
5350 fpmem_operand) Delete.
5352 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
5353 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
5354 (rs6000_save_machine_status, rs6000_restore_machine_status,
5355 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
5356 references to above variables.
5357 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
5358 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
5359 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
5360 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
5361 (XER_REGNO_P, XER_REGNO): New.
5362 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
5363 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
5364 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
5366 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5367 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
5368 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
5370 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5372 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
5373 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
5374 * rs6000.h: from here.
5376 * rs6000-protos.h (rs6000_select_section): Provide prototype.
5377 (rs6000_select_rtx_section): Likewise.
5378 (rs6000_encode_section_info): Likewise.
5379 (sdata_section): Likewise.
5380 (sdata2_section): Likewise.
5381 (sbss_section): Likewise.
5382 * sysv4.h (rs6000_select_section): Delete 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 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
5390 * sysv4.h: Delete various unnecessary #undef's and put a comment
5391 on the remaining ones.
5392 Change various comments according to coding standard.
5394 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
5396 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
5397 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
5398 (CR0_REGNO_P) Remove.
5399 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
5400 setup_incoming_varargs, mtcrf_operation, print_operand,
5401 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
5402 Use the above macros.
5404 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
5406 * config/rs6000/rs6000.md: Added a new alternative for each
5407 pattern that had a 'x' alternative but no 'y' alternative.
5408 Added a new split for each of the above patterns.
5410 2000-02-18 Geoff Keating <geoffk@cygnus.com>
5412 * aix41.h (ASM_CPU_SPEC): Delete.
5413 (CPP_CPU_SPEC): Delete.
5415 * aix.h (RS6000_OUTPUT_BASENAME): Define.
5416 (ASM_OUTPUT_LABEL): Define.
5417 (ASM_GLOBALIZE_LABEL): Define.
5418 (STRIP_NAME_ENCODING): Define.
5419 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
5420 (STRIP_NAME_ENCODING): Don't define.
5421 (ASM_OUTPUT_LABEL): Don't define.
5422 (ASM_GLOBALIZE_LABEL): Don't define.
5423 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
5424 names, and ASM_OUTPUT_LABEL to output labels, rather than
5426 (ASM_OUTPUT_LABEL): Define.
5427 (ASM_OUTPUT_INT): Use assemble_name.
5428 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
5429 (STRIP_NAME_ENCODING): Don't undefine first.
5430 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
5432 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
5433 specified with 'asm' even with -fleading-underscore.
5434 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
5435 (output_epilog): Likewise.
5436 (output_toc): Likewise.
5437 * tramp.asm: Handle -fleading-underscore correctly.
5439 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
5441 (nonlocal_goto_receiver): Delete.
5442 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
5444 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
5445 (SET_ASM_OP): Define.
5446 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
5448 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
5451 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
5452 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
5454 * rs6000.h: Add 'u' to more constants.
5456 2000-02-18 David Edelsohn <edelsohn@gnu.org>
5458 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
5460 2000-02-15 David Edelsohn <edelsohn@gnu.org>
5462 * rs6000.c (reg_or_u_cint_operand): New function.
5463 (logical_operand): Handle 64-bit hosts.
5464 (logical_u_operand): New function.
5465 (non_logical_cint_operand): Handle 64-bit hosts.
5466 (non_logical_u_cint_operand): New function.
5467 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
5468 (PREDICATE_CODES): Define new functions.
5469 * rs6000-protos.h: Declare new functions.
5470 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
5471 (movdi_64): Bracket code intended for 64-bit hosts. Create
5472 CONST_DOUBLE for 32-bit values.
5473 (scc insns): Generate DImode compares.
5474 (mfcr insns): Create DImode versions.
5475 (sge matchers): New patterns.
5477 2000-02-15 Gabriel Paubert <paubert@iram.es>
5479 * rs6000.md: Correct instructions length attributes and
5480 constraints on unsigned compare instructions.
5481 (*ne0): Disable for PowerPC64.
5483 2000-02-11 Geoff Keating <geoffk@cygnus.com>
5485 * rs6000.c (output_function_profiler): Use .long for a 32-bit
5486 quantity, fix profile1.C test failure under -fPIC.
5488 * rs6000.c: Add 'u' to many constants to suppress warnings.
5489 (constant_pool_expr_1): Make static.
5490 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
5491 * rs6000.h: Add 'u' to many constants to suppress warnings.
5493 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
5494 for the start of the TOC, instead of LCTOC..0.
5495 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
5497 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
5498 (load_toc_aix_di): Use LCTOC..1.
5500 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
5501 * rs6000.c (rs6000_legitimize_address): New function from
5502 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
5503 symbols in the constant pool that really are TOC references.
5504 (print_operand_address): For ELF, write TOC offsets under
5505 -fPIC as subtractions in the insn.
5506 (output_toc): For ELF, define symbols in TOC as normal labels,
5508 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
5509 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
5510 (create_TOC_reference): Prototype only when RTX_CODE is defined.
5511 * rs6000.md (movsi): Only use create_TOC_reference on
5512 symbols in the constant pool that really are TOC references.
5514 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
5515 * rs6000.c (rs6000_reorg): Delete.
5516 * rs6000-protos.h (rs6000_reorg): Delete.
5518 2000-02-09 Geoff Keating <geoffk@cygnus.com>
5520 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
5522 * aix.h (SETUP_FRAME_ADDRESSES): Define.
5523 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
5524 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
5525 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
5526 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
5527 rs6000_aix_emit_builtin_unwind_init.
5528 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
5529 rs6000_emit_eh_toc_restore on AIX.
5530 (return_eh_si): Use r2.
5531 (return_eh_di): Use r2.
5533 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
5534 since we're breaking binary compatibility anyway.
5536 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
5538 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
5539 constant_pool_expr_p): Declare them.
5540 (constant_pool_expr_p): Declare it.
5541 * config/rs6000/rs6000.c (toc_label_name): Define.
5542 (rs6000_override_options): Set toc_label_name.
5543 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
5544 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
5545 uses_TOC): New functions.
5546 (print_operand): Delete old '*' case.
5547 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
5548 and strip off rtl for TOC before calling output_addr_const.
5549 (rs6000_emit_load_toc_table): Use toc_label_name.
5550 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
5552 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
5553 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
5554 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
5555 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
5556 into explicit TOC_REGISTER offsets.
5557 (TOC_REGISTER): New macro.
5558 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
5559 TARGET_TOC to reference TOC_REGISTER.
5560 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
5561 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
5562 uses_TOC before emitting label references.
5564 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5566 * rs6000.md (stack_tie): Fix warning.
5568 * eabi-ctors.c: Use 'asm' names for the start/end variables,
5569 to handle -fleading-underscore.
5570 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
5571 (USER_LABEL_PREFIX): New macro.
5572 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
5573 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
5574 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
5575 call-linux can use the same multilibs.
5576 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
5577 and call-linux multilibs. Do multilib with -fleading-underscore.
5578 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
5579 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
5582 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
5583 have MASK_SOFT_FLOAT set.
5584 (CPP_FLOAT_DEFAULT_SPEC): New macro.
5585 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
5586 CPP_FLOAT_DEFAULT_SPEC.
5588 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
5589 * rs6000.md: Whitespace change.
5590 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
5591 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
5593 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5595 * rs6000.md (eh_epilogue): New expander.
5596 (eh_reg_restore): New expand/split/insn combination.
5597 (return_eh_si): New insn.
5598 (return_eh_di): New insn.
5600 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
5601 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
5602 * eabi-ctors.c (__do_global_ctors): Register this object's
5603 frame. Clean up. Call atexit() after the constructors.
5604 (__do_global_dtors): Deregister this object's frame. Clean up.
5605 Allow for recursive calls to exit().
5606 * rs6000.c (fixuplabelno): New variable.
5607 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
5608 TARGET_RELOCATABLE, it slows down exec() under linux.
5609 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
5611 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
5612 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
5613 (ASM_OUTPUT_DWARF_DELTA2): New macro.
5614 (ASM_OUTPUT_DWARF_DELTA4): New macro.
5615 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
5616 (ASM_OUTPUT_DWARF_ADDR): New macro.
5617 (ASM_OUTPUT_DWARF_DATA4): New macro.
5618 (ASM_OUTPUT_DWARF_DATA2): New macro.
5619 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
5620 (ASM_OUTPUT_DWARF_OFFSET): New macro.
5621 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
5623 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5625 * rs6000.c (rs6000_sr_alias_set): New variable.
5626 (rs6000_override_options): Initialise rs6000_sr_alias_set.
5627 (rs6000_emit_stack_tie): New function.
5628 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
5629 in a way that dwarf2out can understand.
5630 (rs6000_frame_related): New function.
5631 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
5632 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
5633 Use rs6000_emit_stack_tie when needed.
5634 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
5635 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
5636 * rs6000.md (stack_tie): New insn.
5637 (return_internal_si): Allow return value to be in the count
5639 (return_internal_di): Likewise.
5641 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
5643 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5645 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
5647 2000-01-31 Geoff Keating <geoffk@cygnus.com>
5649 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
5651 * rs6000.md (stmw): Use the right POWER opcode.
5654 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5656 * rs6000-protos.h: New file.
5658 * rs6000.c: Include tm_p.h. Fix compile time warnings.
5660 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
5663 * sysv4.h: Likewise.
5665 2000-01-28 Geoff Keating <geoffk@cygnus.com>
5667 * ../../configure.in: Delete powerpcle-*-winnt*
5668 and powerpcle-*-pe|powerpcle-*-cygwin*.
5669 * ../../configure: Regenerated.
5671 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
5672 (TARGET_WINDOWS_NT): Delete.
5674 (CALL_NT_DLLIMPORT): Delete.
5675 Delete NT-specific code.
5676 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
5679 * nt-ci.asm: Delete.
5680 * nt-cn.asm: Delete.
5681 * ntstack.asm: Delete.
5683 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5685 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
5686 (ASM_FILE_START): Likewise.
5687 (ASM_DECLARE_FUNCTION_NAME): Likewise.
5688 (ASM_OUTPUT_LABELREF): Likewise.
5689 (ASM_OUTPUT_SKIP): Likewise.
5690 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
5691 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5692 (ASM_OUTPUT_CASE_LABEL): Likewise.
5693 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
5694 (ASM_OUTPUT_ASCII): Likewise.
5696 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
5698 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
5699 reload_toc_labelno for non-prologue TOC reloads. Also, don't
5700 increment rs6000_pic_labelno here.
5701 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
5702 and increment rs6000_pic_labelno here.
5704 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
5706 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
5707 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
5708 allocation knows (reg) is dead before the insn.
5710 2000-01-21 Geoff Keating <geoffk@cygnus.com>
5712 * rs6000.md (movsi_to_cr): Correct typo in output template.
5714 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5716 * rs6000.c (rs6000_pic_labelno): Always define.
5717 (rs6000_pic_func_labelno): Delete.
5718 (lmw_operation): Check for a zero base register,
5719 which doesn't mean what we want.
5720 (stmw_operation): New function.
5721 (print_operand): Define new 'l' modifier.
5722 (rs6000_stack_info): We must save all 64 bits of the registers
5723 if TARGET_POWERPC64.
5724 (rs6000_output_load_toc_table): Delete.
5725 (rs6000_emit_load_toc_table): New function.
5726 (rs6000_allocate_stack_space): Delete.
5727 (rs6000_emit_allocate_stack): New function.
5728 (rs6000_emit_prologue): New function.
5729 (output_prolog): Use rs6000_emit_prologue.
5730 (rs6000_emit_epilogue): Change a few variable names to be
5731 more accurate. Restore all 64 bits of the registers if
5732 TARGET_POWERPC64. Only restore the FP registers which were used
5733 if they are being saved/restored one-at-a-time.
5734 (output_mi_thunk): Delete inefficient code generation.
5735 (output_function_profiler): Don't use rs6000_output_load_toc_table.
5736 * rs6000.h: Declare rs6000_emit_load_toc_table,
5737 rs6000_allocate_stack_space, stmw_operation. Don't declare
5738 rs6000_output_load_toc_table.
5739 * rs6000.md (elf_high): Allow register 0, but discourage it
5741 (elf_low): Support loading into register 0.
5742 (load_toc_aix_si): New pattern.
5743 (load_toc_aix_di): New pattern.
5744 (load_toc_v4_pic_si): New pattern.
5745 (load_toc_v4_pic_di): New pattern.
5746 (load_toc_v4_PIC_1): New pattern.
5747 (load_toc_v4_PIC_1b): New pattern.
5748 (load_toc_v4_PIC_2): New pattern.
5749 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
5750 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
5751 (prologue): New expander.
5752 (movesi_from_cr): New pattern.
5753 (stmw): New pattern.
5754 (save_fpregs_si): New pattern.
5755 (save_fpregs_di): New pattern.
5757 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5759 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
5764 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5766 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
5768 (movsi_got_internal): Likewise.
5769 (movsi_got_internal+1): Likewise.
5770 (set_sp): 'unspec 7' does a SImode clobber.
5772 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5774 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
5775 allocate a stack temporary.
5776 (floatsidf2_internal): Likewise.
5777 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
5779 (floatunssidf2): Don't use the fpmem "register", just
5780 allocate a stack temporary.
5781 (floatunssidf2_internal): Likewise.
5782 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
5784 (floatsidf2_loadaddr): Delete.
5785 (floatsidf2_store1): Delete.
5786 (floatsidf2_store2): Delete.
5787 (floatsidf2_load): Delete.
5788 (fix_truncdfsi2): Don't use the fpmem "register", just
5789 allocate a stack temporary.
5790 (fix_truncdfsi2_internal_si): Delete.
5791 (fix_truncdfsi2_internal_di): Delete.
5792 (fix_truncdfsi2_internal): New insn.
5793 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
5794 (fix_truncdfsi2_store): Delete.
5795 (fix_truncdfsi2_load): Delete.
5796 (fctiwz): Produce gen_fctiwz.
5798 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5800 * eabi.h (INVOKE__main): Define.
5801 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
5803 (rs6000_emit_prologue): Likewise.
5804 * rs6000.h (struct rs6000_stack): Don't keep track of whether
5805 this is the main program.
5807 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5809 * rs6000.c (rs6000_va_arg): Delete some unused variables.
5811 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5813 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
5814 goes after the argument.
5816 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5818 * rs6000.md: Document 'unspec' values used.
5819 (epilogue): New expander.
5820 (movesi_to_cr_one): New expander.
5821 (movesi_to_cr and following): New pattern.
5823 (return_internal_si): New pattern.
5824 (return_internal_di): New pattern.
5825 (return_and_restore_fpregs_si): New pattern.
5826 (return_and_restore_fpregs_di): New pattern.
5827 * rs6000.h: Declare new functions.
5828 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
5829 rather than rs6000_calls_p.
5830 (rs6000_makes_calls): Delete.
5831 (lmw_operation): New function.
5832 (mtcrf_operation): New function.
5833 (rs6000_emit_epilogue): New function.
5834 (output_epilog): Call rs6000_emit_epilogue and final if
5835 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
5837 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5839 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
5840 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
5841 * aix.h (SUBTARGET_SWITCHES): Document switches.
5842 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
5843 sched-prolog and sched-epilog the same. Document all the
5845 (TARGET_OPTIONS): No longer allow -mdebug-.
5847 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5849 * rs6000.h (ASM_FILE_END): Move to aix.h.
5850 (EXTRA_SECTIONS): Move to aix.h.
5851 (READONLY_DATA_SECTION): Move to aix.h.
5852 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
5853 (SELECT_SECTION): Move to aix.h.
5854 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
5855 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
5856 (LINK_REGISTER_REGNUM): New definition.
5857 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
5858 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
5860 * sysv4.h: Delete the code between the inclusion of rs6000.h
5862 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
5863 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
5864 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
5865 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
5866 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
5867 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
5868 (fix_truncdfsi2_internal_di): New pattern.
5869 (fix_truncdfsi2_store): The second arg here is Pmode too.
5870 (fix_truncdfsi2_load): The second arg here is Pmode too.
5871 (tablejumpdi): Now that switch tables hold only SImode values,
5872 gcc needs to know how to add them to the pc which is DImode.
5873 * rs6000.c (rs6000_stack_info): Use symbolic name for
5874 LINK_REGISTER_REGNUM.
5875 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
5876 (output_toc): Delete unused variables s1 and s2.
5877 (output_ascii): Use fputs not fprintf on a variable string.
5879 2000-01-07 David Edelsohn <edelsohn@gnu.org>
5881 * rs6000.c (processor_target_table): Add power3 as alias for 630.
5882 * aix43.h: Revert Aug 2 change.
5883 (HAS_INIT_SECTION): Define, not visible yet.
5884 (LD_INIT_SWITCH): Define, not visible yet.
5885 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
5887 2000-01-04 Joel Sherrill (joel@OARcorp.com>
5889 * config/rs6000/rtems.h: Include config/rtems.h.
5891 2000-01-04 David Edelsohn <edelsohn@gnu.org>
5893 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
5894 (SLOW_UNALIGNED_ACCESS): Define.
5895 (CASE_VECTOR_MODE): Always use 32-bit offsets.
5896 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
5897 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
5898 (toc_section): Likewise and .toc pseudo-op.
5899 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
5901 (TEXT_SECTION_ASM_OP): Likewise.
5902 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
5905 1999-12-17 Jakub Jelinek <jakub@redhat.com>
5907 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
5908 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
5911 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5913 * rs6000.h: Move more stuff from here...
5915 * sysv4.h: Cleanup accordingly.
5916 * netware.h: Likewise
5918 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5920 * rs6000.h: Continue cleanup.
5923 * netware.h: Likewise.
5925 * sysv4.h: Likewise.
5926 * win-nt.h: Likewise.
5928 * rs6000.h (TARGET_SWITCHES): Add descriptions.
5929 (TARGET_OPTIONS): Likewise.
5931 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
5932 (SUBTARGET_OPTIONS): Likewise.
5934 * rs6000.md: Fix compile time warnings.
5936 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5938 vxworks patches from the Cygnus tree originally by
5939 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
5940 <vmakarov@cygnus.com>.
5941 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
5942 (ENDFILE_SPEC): Likewise.
5943 (LIB_VXWORKS_SPEC): New macro.
5944 (STARTFILE_VXWORKS_SPEC): New macro.
5945 (ENDFILE_VXWORKS_SPEC): New macro.
5946 (LINK_START_VXWORKS_SPEC): New macro.
5947 (LINK_OS_VXWORKS_SPEC): New macro.
5948 (CPP_OS_VXWORKS_SPEC): New macro.
5949 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
5950 * vxppc.h: Rewrite to use proper configuration method.
5951 * vxppcle.h: New file.
5952 * ../../configure.in: Add powerpcle-wrs-vxworks*.
5953 * ../../configure: Rebuilt.
5955 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5957 Lots of changes to rs6000.h, sysv4.h, aix.h,
5958 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
5959 with the aim that rs6000.h is the first header
5960 included and the others override it.
5963 * x-aix41-gld: Remove.
5965 * x-aix41: Remove target-specific switches, and don't specify
5966 -Wl,-bbigtoc as we don't need it any more.
5967 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
5968 Use t-aix43 for AIX 4.3 and above.
5969 * ../../configure: Regenerated.
5971 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
5972 options, that don't do anything yet.
5973 (MASK_SCHED_PROLOG): New macro.
5974 (MASK_SCHED_EPILOG): New macro.
5975 (TARGET_SCHED_PROLOG): New macro.
5976 (TARGET_SCHED_EPILOG): New macro.
5978 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5980 * rs6000.c: Correct comment, the `minimal' TOCs are actually
5981 one per translation unit, not one per function.
5982 (output_toc): Also do duplicate constant elimination
5983 for per-translation-unit TOCs.
5985 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
5986 a comment explaining _exactly_ when this pattern gets used.
5987 (builtin_setjmp_receiver): New pattern for better clarity.
5988 (init_v4_pic): Move it into a section dealing with TOC registers.
5990 1999-12-30 Geoff Keating <geoffk@cygnus.com>
5992 * rs6000.c (toc_hash_table): New variable.
5993 (rs6000_hash_constant): New function.
5994 (toc_hash_function): New function.
5995 (toc_hash_eq): New function.
5996 (toc_hash_mark_entry): New function.
5997 (toc_hash_mark_table): New function.
5998 (output_toc): Don't output duplicate TOC entries in
6000 (rs6000_add_gc_roots): Add the hash table as a GC root.
6001 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
6002 where they clearly shouldn't be. This may need to be fixed
6003 later when there is a GNU ar for AIX.
6004 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
6005 Don't define BOOT_LDFLAGS as it is now not necessary.
6007 1999-12-29 Geoff Keating <geoffk@cygnus.com>
6009 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
6010 for va_list on AIX. Use unsigned_char_type_node rather than
6011 constructing our own version on svr4.
6013 1999-12-17 Geoff Keating <geoffk@cygnus.com>
6015 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
6016 since patently it's not.
6018 1999-12-08 Geoff Keating <geoffk@cygnus.com>
6020 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
6021 define_expand/define_insn pair, and handle restore of the
6022 SVR4 -fpic register.
6024 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
6026 * acconfig.h (HAVE_GAS_WEAK): New define.
6027 * configure.in (assembler weak support): Check for .weak support.
6028 * config.in, configure: Rebuilt.
6029 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
6030 HAVE_GAS_WEAK is defined.
6032 2000-03-15 Nick Clifton <nickc@cygnus.com>
6034 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
6037 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
6039 * cppfiles.c (open_include_file): New function.
6040 (find_include_file, cpp_read_file): Use it.
6042 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
6044 * cpphash.c (dump_hash_helper): Take the slot, not the element.
6046 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
6048 * flow.c (verify_flow_info): Check for unconditional return.
6050 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
6052 * config/ia64/ia64.md (restore_stack_nonlocal): New.
6053 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
6054 (__ia64_restore_stack_nonlocal): New.
6055 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
6057 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6059 * cpphash.c (collect_formal_parameters): Do not complain about
6060 parameter names that just start with `__VA_ARGS__'.
6062 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
6064 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
6065 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
6066 * i386.c (pentiumpro_cost): Set mul cost to 4.
6067 (x86_use_movx): Set for PPro.
6069 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
6071 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
6072 STACK_BOUNDARY for empty frames now.
6074 2000-03-14 Mark Mitchell <mark@codesourcery.com>
6076 * stor-layout.c (layout_union): Remove.
6077 (layout_union_field): New function, split out from layout_union.
6078 (finish_union_layout): Likewise.
6079 (layout_field): Handle unions by calling layout_union_field.
6080 (finish_record_layout): Handle unions.
6081 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
6082 QUAL_UNION_TYPE handling.
6084 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
6086 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
6087 end of basic block is jump_insn, not barrier; use create_basic_block
6088 instead of creating basic block by hand.
6090 2000-03-14 Jason Eckhardt <jle@cygnus.com>
6092 * flow.c (reorder_basic_blocks): Account for barriers when writing
6093 over NEXT_INSN (last_bb->end).
6094 (verify_flow_info): Add check for missing barriers.
6096 2000-03-14 Greg McGary <gkm@gnu.org>
6098 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
6099 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
6100 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
6101 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
6102 __unbounded, __unbounded__): New keywords.
6103 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
6104 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
6105 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
6107 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
6109 * cselib.h: New file.
6110 * alias.c: Include "cselib.h".
6111 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
6112 MEMs as two new arguments.
6113 (get_addr): New static function.
6114 (find_base_term): Handle VALUEs.
6115 (memrefs_conflict_p): Likewise.
6116 (true_dependence): Call get_addr on the addresses.
6117 Call fixed_scalar_and_varying_struct_p with addresses that have been
6118 passed through get_addr and canon_rtx.
6119 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
6120 with true_dependence.
6121 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
6122 * loop.c: Include "cselib.h".
6123 (load_mems): Process extended basic block that enters the loop with
6124 cselib. Use that information to change initialization of the shadow
6125 register so that a constant equivalence is seen by later passes.
6126 * reload1.c: Include "cselib.h".
6127 (reload_cse_invalidate_regno): Delete function.
6128 (reload_cse_mem_conflict_p): Likewise.
6129 (reload_cse_invalidate_mem): Likewise.
6130 (reload_cse_invalidate_rtx): Likewise.
6131 (reload_cse_regno_equal_p): Likewise.
6132 (reload_cse_check_clobber): Likewise.
6133 (reload_cse_record_set): Likewise.
6134 (reg_values): Delete static variable.
6135 (invalidate_regno_rtx): Likewise.
6136 (reload_cse_delete_noop_set): New static function.
6137 (reload_cse_simplify): New static function, broken out of
6139 (reload_cse_noop_set_p): Delete unused argument INSN.
6140 Just call rtx_equal_for_cselib_p on set source and destination.
6141 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
6142 reload_cse_delete_noop_set. Delete code to keep track of values; use
6143 cselib functions instead. Delete code to push/pop obstacks.
6144 (reload_cse_simplify_set): Use cselib to find equivalent values.
6145 Delete code to push/pop obstacks.
6146 (reload_cse_simplify_operands): Likewise.
6147 * rtl.def (VALUE): New rtx code.
6148 * rtl.h (union rtunion_def): New elt rt_cselib.
6149 (X0CSELIB, CSELIB_VAL_PTR): New macros.
6150 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
6151 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
6152 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
6153 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
6154 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
6155 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
6156 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
6157 cselib_record_set, cselib_record_sets): New static functions.
6158 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
6159 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
6160 references_value_p): New functions.
6161 (MAX_USELESS_VALUES, REG_VALUES): New macros.
6162 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
6163 n_useless_values, reg_values, callmem, cselib_obstack,
6164 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
6165 New static variables.
6166 * varray.h (union varray_data_tag): New elt te.
6167 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
6168 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
6171 2000-03-14 Nick Clifton <nickc@cygnus.com>
6173 * gcc.c (do_spec_1): Catch the case where %* is used in a
6174 substitution pattern, but it has not been initialised.
6175 Issue a meaningful error message if an unrecognised operator
6176 is encountered in a spec string.
6178 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
6180 * function.c (prepare_function_start): Correctly initialize
6181 cfun->stack_alignment_needed.
6183 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
6185 * cppfiles.c (find_include_file): Don't assume nshort is a
6188 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
6190 * configure.in (hppa configurations): Add pa32-regs.h to the
6191 list of tm files as appropriate.
6192 * configure: Rebuilt.
6193 * pa.c (compute_frame_size): Remove explicit knowledge about FP
6195 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
6196 (fmpyaddoperands, fmpysuboperands): Likewise.
6197 * pa.h: Remove various definitions which depend on knowing
6198 how registers are numbered.
6199 * pa32-regs.h: New file with PA32 register numbering specific
6202 2000-03-14 Richard Henderson <rth@cygnus.com>
6204 * regmove.c (combine_stack_adjustments): New.
6205 (stack_memref_p, single_set_for_csa): New.
6206 (free_csa_memlist, record_one_stack_memref): New.
6207 (try_apply_stack_adjustment): New.
6208 (combine_stack_adjustments_for_block): New.
6209 * rtl.h (combine_stack_adjustments): Declare.
6210 * toplev.c (rest_of_compilation): Call it.
6212 * i386.md: Revert 2000-01-16 change.
6214 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6216 * gccbug.in: Add web category, gcc specific classes.
6218 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
6220 * stor-layout.c (finalize_record_size): Fix typo.
6222 2000-03-14 Stan Shebs <shebs@apple.com>
6224 * c-typeck.c (c_alignof): Error on incomplete types.
6225 * extend.texi (Alignment): Document this.
6227 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6229 * cppfiles.c: Include mkdeps.h.
6230 (find_include_file, read_include_file): Remove _cpp_ prefix
6231 from name, make static.
6232 (_cpp_execute_include): New function, broken out of
6235 * cpplib.c: Don't include mkdeps.h.
6236 (struct directive): Remove type field. Reorder entries. The
6237 function takes only one argument.
6238 (struct if_stack): Make type field an int.
6239 (directive_table): Rename to dtable. Generate it, the
6240 prototypes of the directive handlers, and the enum for the
6241 directive numbers, from a template macro.
6242 (do_ifndef, do_include_next, do_import): New functions.
6243 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
6244 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
6245 do_ident, do_assert, do_unassert, do_sccs): Take only one
6247 (do_sccs): Define always, but alter behavior based on
6249 (_cpp_handle_directive, consider_directive_while_skipping):
6250 Restructure for new directive table layout.
6252 (pass_thru_directive): Take a directive number, not a pointer
6253 to a struct directive.
6254 (parse_include): New function, broken out of do_include.
6255 (do_include, do_import, do_include_next): Use parse_include
6256 and _cpp_execute_include.
6257 (do_elif, do_else): Test for T_ELSE specifically when checking
6258 for #elif/#else after #else.
6259 (parse_ifdef): New function, broken out of do_ifdef.
6260 (validate_else): Expect a name arg without a leading #.
6261 (if_directive_name): Delete.
6262 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
6263 directive handlers with only one argument.
6265 * cpphash.h: Update prototypes.
6266 (enum node_type): Remove entries for directives.
6267 * Makefile.in: Update dependencies.
6269 * cpphash.c (dump_hash_helper): Only dump nodes of type
6270 T_MACRO. Emit a newline after each definition.
6272 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6274 * gccbug.in: New file.
6275 * configure.in (all_outputs): Add gccbug.
6276 * Makefile.in (install-common): Install gccbug.
6277 (GCCBUG_INSTALL_NAME): New variable.
6278 * configure: Rebuilt.
6280 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
6282 * function.c (put_var_into_stack): Use type_for_mode to calculate
6283 part_type. Use MEM_SET_IN_STRUCT_P.
6284 * expr.c (store_field): Handle CONCAT.
6285 (store_constructor): Use fields_length.
6286 * tree.c (fields_length): New fn.
6287 * tree.h: Declare it.
6289 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6291 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
6292 (cpplex.o): New target.
6293 * po/POTFILES.in: Add cpplex.c.
6295 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
6296 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
6297 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
6298 skip_block_comment, skip_line_comment, skip_comment,
6299 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
6300 _cpp_parse_name, skip_string, parse_string,
6301 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
6302 _cpp_get_directive_token, find_position,
6303 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
6304 (maybe_macroexpand, _cpp_lex_token): New functions.
6306 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
6307 parse_goto_mark): Delete.
6308 (_cpp_handle_eof): New function.
6309 (_cpp_handle_directive): Rename from handle_directive.
6310 (_cpp_output_line_command): Rename from output_line_command.
6311 (do_if, do_elif): Call _cpp_parse_expr directly.
6312 * cppfiles.c (_cpp_read_include_file): Don't call
6313 init_input_buffer here.
6314 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
6315 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
6316 here; pop the token_buffer and skip the rest of the line here.
6317 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
6320 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
6322 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
6323 CPP_GOTO_MARK): New macros.
6324 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
6325 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
6326 _cpp_read_and_prescan, _cpp_init_input_buffer,
6327 _cpp_grow_token_buffer, _cpp_get_directive_token,
6328 _cpp_handle_directive, _cpp_handle_eof,
6329 _cpp_output_line_command): Prototype them here.
6330 * cpplib.h (enum cpp_token): Add CPP_MACRO.
6331 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
6332 quote_string, output_line_command): Remove.
6334 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
6336 * stmt.c (expand_end_case): RANGE may be signed, and when checking
6337 whether it is too large we must also verify that it isn't negative.
6339 2000-03-13 Jakub Jelinek <jakub@redhat.com>
6341 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
6342 (movsi_zero_liveg0): Remove.
6343 (movsf_insn_novis_liveg0): Remove.
6345 (negsi2_not_liveg0): Rename to negsi2.
6346 (one_cmplsi2): Remove.
6347 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
6348 (one_cmplsi2_liveg0): Remove.
6349 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
6350 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
6351 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
6352 (PREDICATE_CODES): Remove zero_operand.
6353 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
6354 TARGET_BROKEN_SAVERESTORE.
6355 (zero_operand): Remove.
6356 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
6357 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
6359 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
6360 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
6361 TARGET_BROKEN_SAVERESTORE): Remove.
6362 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6364 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6366 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6369 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
6371 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6373 * cpplib.c (do_pragma_implementation): Fix off-by-one error
6374 truncating a string. Don't assume tokens are nul terminated.
6375 Problem noted by Andreas Jaeger <aj@suse.de>
6377 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
6379 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
6380 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
6381 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
6383 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
6385 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
6386 STRUCTURE_SIZE_BOUNDARY.
6388 2000-03-13 Mark Mitchell <mark@codesourcery.com>
6390 * tree.h (record_layout_info_s): New structure.
6391 (record_layout_info): New type.
6392 (new_record_layout_info): New function.
6393 (layout_field): Likewise.
6394 (finish_record_layout): Likewise.
6395 * stor-layout.c (layout_record): Remove.
6396 (new_record_layout_info): New function.
6397 (layout_field): New function, broken out from layout_record.
6398 (finalize_record_size): Likewise.
6399 (compute_record_mode): Likewise.
6400 (finalize_type_size): New function, broken out from layout_type.
6401 (finish_record_layout): Likewise.
6402 (layout_type): Use them.
6404 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6406 * cpphash.c: Don't include version.h.
6407 (special_symbol) [case T_VERSION]: Look for the string in
6408 hp->value.cpval; don't use version_string.
6409 * cppinit.c (initialize_builtins): Set hp->value.cpval for
6410 __VERSION__ to version_string.
6411 * Makefile.in (cpphash.o): Update deps.
6413 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6415 Convert cpplib to use libiberty/hashtab.c.
6417 * cpplib.h (struct cpp_reader): Make hashtab and
6418 all_include_files of type 'struct htab *'. Delete HASHSIZE
6419 and ALL_INCLUDE_HASHSIZE macros.
6421 * cpphash.h: Update prototypes.
6422 (struct hashnode): Remove next, prev, and bucket_hdr members.
6423 Make length a size_t. Add hash member.
6424 (struct ihash): Remove next member. Add hash member. Make
6425 name a flexible array member.
6427 * cppfiles.c: Include hashtab.h.
6428 (include_hash): Delete.
6429 (IHASHSIZE): New macro.
6430 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
6431 (cpp_included): Do the hash lookup here.
6432 (_cpp_find_include_file): Rewrite.
6433 (cpp_read_file): Put the "fake" hash entry into the hash
6434 table. Honor the control_macro, if it turns out we've seen
6435 the file before. Don't push the buffer here.
6436 (_cpp_read_include_file): Push the buffer here.
6437 (OMODES): New macro. Use it whenever we call open(2).
6439 * cpphash.c: Include hashtab.h.
6440 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
6441 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
6442 _cpp_lookup_slot): New functions.
6443 (HASHSIZE): new macro.
6444 (hashf, _cpp_install, _cpp_delete_macro): Delete.
6445 (_cpp_lookup): Use hashtab.h routines.
6447 * cppinit.c: Include hashtab.h.
6448 (cpp_reader_init): Call _cpp_init_macro_hash and
6449 _cpp_init_include_hash. Don't allocate hashtab directly.
6450 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
6451 pfile->all_include_files.
6452 (initialize_builtins): Use _cpp_make_hashnode and
6453 htab_find_slot to add hash entries.
6454 (cpp_finish): Just call _cpp_dump_macro_hash.
6455 * cpplib.c: Include hashtab.h.
6456 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
6457 create hash entries.
6458 (do_pragma_poison, do_assert): Likewise.
6459 (do_include): Don't push the buffer here. Don't increment
6460 system_include_depth unless _cpp_read_include_file succeeds.
6461 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
6463 (do_pragma_implementation): Use alloca to create copy.
6465 * Makefile.in: Update dependencies.
6467 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6469 * cppinit.c (cl_directive_handler): More K&R fixing.
6471 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
6473 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
6475 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
6477 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6479 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
6480 Change from char[] to macros.
6482 2000-03-12 Neil Booth <NeilB@earthling.net>
6484 * cppinit.c (cpp_start_read): Update indirect function
6487 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
6489 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
6492 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
6493 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
6495 2000-03-11 Neil Booth <NeilB@earthling.net>
6497 * cppinit.c (struct pending option): Replace undef with a
6498 pointer to a directive handling routine.
6499 (struct cpp_pending): Replace separate assert_ and define_
6500 lists with one directive_ list.
6501 (new_pending_define): Rename new_pending_directive. Extra
6502 argument is the directive's handling routine.
6503 (handle_option): Update to use new_pending_directive.
6505 2000-03-11 Neil Booth <NeilB@earthling.net>
6507 * cppfiles.c (file_cleanup, _cpp_find_include_file,
6508 remap_filename, _cpp_read_include_file, actual_directory,
6509 hack_vms_include_specification): Replace bcopy(), index() etc
6510 calls. Add casts to some allocations. Make some variables
6511 pointers to const [unsigned] char.
6512 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
6513 collect_formal_parameters): Similarly.
6514 * cppinit.c (struct pending_option, append_include_chain,
6515 cpp_options_init, cpp_reader_init, initialize_standard_includes,
6516 cpp_start_read, new_pending_define, handle_option): Similarly.
6517 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
6518 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
6519 do_pragma_implementation, detect_if_not_defined,
6520 do_ifdef, skip_if_group, cpp_get_token, parse_string,
6521 do_assert, do_unassert): Similarly.
6522 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
6523 function prototypes.
6524 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
6526 2000-03-10 Richard Henderson <rth@cygnus.com>
6528 * builtins.c (expand_builtin_strlen): Revert last change.
6529 Use emit_insn_before if we're at the beginning of a sequence.
6531 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
6533 * builtins.c (expand_builtin_strlen): Make sure that we have something
6534 at the beginning of the sequence.
6536 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
6539 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
6541 2000-03-10 Richard Henderson <rth@cygnus.com>
6543 * except.c (can_throw): Use INTVAL on a CONST_INT.
6544 (reachable_handlers): Likewise.
6545 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
6547 2000-03-10 Andreas Jaeger <aj@suse.de>
6549 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
6550 MD_STARTFILE_PREFIX since those are not needed on linux.
6551 (ASM_FILE_START): New, from mips/gnu.h.
6553 2000-03-09 Richard Henderson <rth@cygnus.com>
6554 Alex Samuel <samuel@codesourcery.com> and others
6556 * Makefile.in (ssa.o): New rule.
6558 (STAGESTUFF): Add *.ssa and *.ussa.
6559 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
6560 * rtl.def (PHI): New RTL expression.
6561 * rtl.h (clear_log_links): New declaration.
6562 (convert_to_ssa): Likewise.
6563 (convert_from_ssa): Likewise.
6564 * flow.c (split_edge): If the entry node falls through to the
6565 split edge's source block, split the entry edge.
6566 (clear_log_links): New function.
6567 * toplev.c (ssa_dump): New variable.
6568 (flag_ssa): Likewise.
6569 (f_options): Add "ssa".
6570 (compile_file): Create SSA dump files.
6571 (rest_of_compilation): Go to and from SSA if enabled.
6572 (decide_d_option): Handle -de for SSA dump files.
6575 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
6577 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
6580 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
6582 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
6584 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
6586 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
6587 (MD_STARTFILE_PREFIX_1): New macro.
6589 2000-03-09 Robert Lipe <robertl@sco.com>
6591 * config/ia64/ia64.c: Include system.h.
6593 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6595 * except.c (nothrow_function_p): If -fno-exceptions, just return.
6596 (init_eh_nesting_info): Likewise.
6598 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
6599 (TREE_NOTHROW): Rename from TREE_RAISES.
6600 * toplev.c (rest_of_compilation): Set it.
6601 * print-tree.c (print_node): Adjust.
6602 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
6603 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
6604 * calls.c (emit_call_1): Add 'nothrow' parm. Add
6605 REG_EH_REGION note as appropriate.
6606 (libfunc_nothrow): New fn.
6607 (emit_library_call, emit_library_call_value): Use it.
6608 (expand_call): Check TREE_NOTHROW.
6610 * varasm.c (make_decl_rtl): Skip initial '*' when setting
6611 DECL_ASSEMBLER_NAME.
6613 2000-03-09 Andreas Jaeger <aj@suse.de>
6615 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
6616 (TARGET_MEM_FUNCTIONS): Define.
6618 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6620 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
6622 * except.c (can_throw): See through a SEQUENCE.
6623 (nothrow_function_p): New fn.
6624 * except.h: Declare it.
6625 * function.c (current_function_nothrow): New var.
6626 (prepare_function_start): Initialize it.
6627 * output.h: Declare it.
6628 * toplev.c (rest_of_compilation): Set it.
6629 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
6631 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
6633 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
6634 match. (cpp_compare_defs): Count the nul separator when
6635 advancing over argument names.
6637 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
6639 * recog.c (preprocess_constraints): Matching constraints affect
6640 same alternative/different operand, not same operand/different
6643 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
6644 register and a constant specially.
6646 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6648 * libgcc2.h: New file.
6649 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
6651 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
6653 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
6654 * configure: Regenerate.
6657 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6659 * Makefile.in (LIBCPP_DEPS): New macro.
6660 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
6662 * cpperror.c: Include cpphash.h.
6663 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
6665 (lex): Don't use CPP_WARN_UNDEF.
6666 (_cpp_parse_expr): Return an int, the truth value.
6667 * cppfiles.c: Include cpphash.h.
6668 (_cpp_merge_include_chains): Move to cppinit.c and make static.
6669 * cppinit.c (include_defaults_array): Disentangle.
6670 (cpp_cleanup): Don't free the if stack here.
6671 (cpp_finish): Pop off all buffers, not just one.
6672 * cpplib.c (eval_if_expr): Return int.
6673 (do_xifdef): Rename do_ifdef.
6674 (handle_directive): Don't use CPP_PREPROCESSED.
6675 (cpp_get_token): Don't use CPP_C89.
6676 * fix-header.c: Don't use CPP_OPTIONS.
6678 * cpplib.h: Move U_CHAR, enum node_type, struct
6679 file_name_list, struct ihash, is_idchar, is_idstart,
6680 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
6681 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
6682 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
6683 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
6684 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
6685 of _cpp_simplify_pathname, _cpp_find_include_file,
6686 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
6687 Move struct if_stack to cpplib.c. Move struct cpp_pending to
6689 Change all uses of U_CHAR to be unsigned char instead.
6690 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
6692 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6694 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
6695 (dwarf2out_begin_prologue): Set it.
6696 (output_call_frame_info): Don't emit EH unwind info for leaves.
6698 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
6699 can occur outside of an EH region.
6700 * except.c: Correct comments about rethrow behavior.
6701 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
6703 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
6705 * flow.c (make_edges): Always call make_eh_edge for calls.
6707 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6709 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
6710 (struct cpp_buffer): Remove fname and underflow fields.
6711 (struct cpp_reader): Remove get_token field.
6712 (struct include_hash): Rename to struct ihash. Add typedef to
6714 (struct if_stack): Remove fname field.
6715 (IF_STACK_FRAME): Rename to IF_STACK.
6717 * cpperror.c (print_containing_files): Trust that there are no
6718 macro buffers below the top file buffer.
6719 * cppfiles.c: Replace all references to 'struct include_hash'
6720 with 'IHASH'. Rename initialize_input_buffer to
6721 init_input_buffer. Don't set or reference cpp_buffer->fname,
6722 use buffer->ihash->name instead.
6723 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
6724 not CPP_NULL_BUFFER.
6725 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
6726 IF_STACK_FRAME, IHASH not struct include_hash.
6727 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
6728 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
6729 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
6730 references to cpp_buffer->fname (delete entirely, or use
6731 ->ihash->name instead) and IF_STACK->fname.
6732 (cpp_push_buffer): Don't set new->underflow.
6733 (do_include): Use cpp_file_buffer.
6735 * cpphash.c (collect_formal_parameters): Remove duplicate
6736 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
6737 used as a macro argument name. Don't append "..." to namebuf
6738 for varargs macros. After we're done scanning, go through
6739 namebuf and make it NUL separated, not comma separated.
6740 (_cpp_compare_defs): Remove register tag from variables.
6741 Expect defn->argnames to be NUL separated.
6742 (_cpp_dump_definition): Expect defn->argnames to be NUL
6743 separated and in forward order.
6744 * cpphash.h: Update documentation of argnames field.
6746 2000-03-08 Richard Henderson <rth@cygnus.com>
6748 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
6749 to fail. Don't pre-expand the source operand.
6751 * i386.md (strlensi): Initialize eoschar and align before use.
6753 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6755 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
6756 CONSTRUCTOR element.
6758 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
6760 * mips.c (mips_expand_prologue): If the last
6761 named argument is the vararg marker "va_list", treat it as
6762 an unnamed argument.
6764 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
6766 * dbxout.c (dbxout_parms): When correcting for promoted
6767 big-endian parameters, use the mode of the DECL_RTL rather
6768 than UNITS_PER_WORD.
6770 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
6772 * c-common.h (make_fname_decl): Declare.
6773 * c-common.c (make_fname_decl): Define.
6774 (declare_hidden_char_array): Remove.
6775 (declare_function_name): Use make_fname_decl.
6776 * c-decl.c (c_make_fname_decl): New function.
6777 (init_decl_processing): Set make_fname_decl.
6779 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
6781 * cccp.c (handle_directive): Initialize backslash_newlines_p.
6783 2000-03-07 Philipp Thomas <pthomas@suse.de>
6785 * po/POTFILES.in: Remove cppalloc.c from file list.
6787 2000-03-07 Steve Chamberlain <sac@pobox.com>
6789 * pj.c (pj_expand_prologue): current_function->args_info is
6790 now current_function_args_info.
6792 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
6793 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
6794 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
6796 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6798 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
6799 output as hexadecimal rather than the default octal.
6801 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6803 * cpphash.c (special_symbol): Fix thinko in previous commit.
6805 2000-03-07 Neil Booth <NeilB@earthling.net>
6807 * cppexp.c (struct operation, left_shift, right_shift,
6808 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
6809 "int"s to "unsigned int"s.
6810 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
6812 * cpplib.h: Update for above.
6813 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
6814 returned from allocations.
6816 * cppinit.c (opt_comp, parse_options): New functions.
6817 (handle_option): Use parse_option to parse a single command
6818 line option, that possibly takes an argument.
6819 (cpp_handle_options): Sort the array of command line options on
6820 first invocation (non-ASCII hosts only).
6821 (print_help): Update.
6823 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6825 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
6826 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
6828 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
6830 * cppinit.c (cpp_cleanup): Free imp->nshort also.
6832 * cpperror.c (cpp_print_containing_files,
6833 cpp_print_file_and_line, v_cpp_message): Rename to
6834 print_containing_files, print_file_and_line, and v_message.
6835 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
6836 to _cpp_parse_expr, parse_escape, and lex.
6837 (parse_charconst): Remove broken multibyte support.
6838 * cppfiles.c (include_hash): Make static.
6839 (cpp_included): New function.
6840 (merge_include_chains, find_include_file, finclude,
6841 simplify_pathname): Rename to _cpp_merge_include_chains,
6842 _cpp_find_include_file, _cpp_read_include_file, and
6843 _cpp_simplify_pathname.
6844 * cpphash.c (cpp_lookup, free_definition, delete_macro,
6845 cpp_install, create_definition, macroexpand, compare_defs,
6846 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
6847 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
6848 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
6849 * cppinit.c (cpp_handle_option): Rename to handle_option, make
6851 * cpplib.c: Remove extern prototype of cpp_parse_expr.
6853 * cpphash.h: Update prototypes.
6854 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
6856 2000-03-07 Andrew Haley <aph@cygnus.com>
6858 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
6859 PTRDIFF_TYPE should be based solely on Pmode.
6862 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6864 * rtl.h (rtunion_def): Constify member `rtstr'.
6865 (emit_line_note_after, emit_line_note, emit_line_note_force,
6866 emit_note, decode_asm_operands): Constify.
6868 * cse.c (canon_hash): Likewise.
6870 * dbxout.c (dbxout_block): Likewise.
6872 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
6873 v_warning_for_asm): Likewise.
6875 * dwarfout.c (function_start_label): Likewise.
6877 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
6878 emit_line_note_force): Likewise.
6880 * final.c (last_filename, asm_insn_count, final_scan_insn,
6881 output_source_line): Likewise.
6883 * function.h (struct emit_status): Likewise.
6885 * gcse.c (hash_expr_1): Likewise.
6887 * genattr.c (gen_attr, main): Likewise.
6889 * genattrtab.c (struct function_unit, current_alternative_string,
6890 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
6891 attr_numeral, check_attr_test, check_attr_value,
6892 convert_set_attr_alternative, convert_set_attr,
6893 compute_alternative_mask, simplify_by_exploding, gen_attr,
6894 gen_unit): Likewise.
6896 * genflags.c (gen_insn): Likewise.
6898 * gengenrtl.c (type_from_format): Likewise.
6900 * genopinit.c (gen_insn): Likewise.
6902 * genoutput.c (n_occurrences, process_template, process_template):
6905 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6908 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6911 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
6912 ggc_set_mark, ggc_get_size): Likewise.
6914 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
6916 * optabs.c (init_one_libfunc): Likewise.
6918 * output.h (assemble_start_function): Likewise.
6920 * recog.c (decode_asm_operands): Likewise.
6922 * toplev.c (rest_of_compilation): Likewise.
6924 * tree.h (emit_line_note_after, emit_line_note,
6925 emit_line_note_force): Likewise.
6927 * varasm.c (asm_output_bss, asm_output_aligned_bss,
6928 asm_emit_uninitialised, assemble_start_function,
6929 assemble_variable, const_hash, compare_constant_1,
6930 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
6932 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
6934 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
6936 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
6938 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
6940 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
6941 arm_dllimport_name_p): Likewise.
6943 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
6946 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
6948 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6950 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
6951 arm_mark_dllexport, arm_mark_dllimport,
6952 arm_pe_encode_section_info): Likewise.
6954 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
6955 ASM_FINISH_DECLARE_OBJECT): Likewise.
6957 * arm/thumb.c (thumb_function_prologue): Likewise.
6959 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
6961 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6963 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
6965 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
6967 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
6969 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6971 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
6972 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
6974 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
6976 * i386/i386.c (asm_output_function_prefix): Likewise.
6978 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
6980 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6982 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
6984 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
6985 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
6986 ASM_OUTPUT_SECTION_NAME): Likewise.
6988 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
6990 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
6992 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
6994 * m32r/m32r.c (m32r_encode_section_info): Likewise.
6996 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6998 * mcore/mcore.c (mcore_encode_section_info): Likewise.
7000 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7002 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7004 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7006 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
7008 * mips/mips.md (movdi, movsi): Likewise.
7010 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7012 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7014 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7016 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
7017 ASM_OUTPUT_ASCII): Likewise.
7019 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
7020 output_mi_thunk, output_toc): Likewise.
7022 * rs6000/rs6000.md (movsi): Likewise.
7024 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
7026 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
7028 * v850/v850.c (print_operand, print_operand_address,
7029 v850_encode_data_area): Likewise.
7031 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
7033 * config/mips/mips.md (zero_extendsidi2): Always force operand
7034 one to memory for mips16.
7036 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7038 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
7039 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
7040 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
7041 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
7042 (min_precision): Result is unsigned.
7043 (add_double, neg_double, mul_double): Low word is unsigned.
7044 (lshift_double, rshift_double, lrotate_double): Likewise.
7045 (rrotate_double, div_and_round_double): Likewise.
7046 (tree_floor_log2, compare_tree_int): New functions.
7047 (preserve_rtl_expr_temps): New declaration.
7048 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
7049 (decl_attributes): Use tree_log2 to find alignment.
7050 Check for TREE_INT_CST_HIGH for format args.
7051 (min_precision): Now unsigned.
7052 Use tree_floor_log2.
7053 (truthvalue_conversion): Delete long-disabled code.
7054 * c-decl.c (finish_struct): Clean up tests on field width.
7055 (finish_function): Use compare_tree_int.
7056 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
7057 * c-typeck.c (comptypes): Use tree_int_cst_equal.
7058 (default_conversion, digest_init): Use compare_tree_int.
7059 (build_binary_op): Use integer_all_onesp and compare_tree_int.
7060 Fix type errors in forming masks.
7061 * calls.c (initialize_argument_information): Use compare_tree_int.
7062 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
7063 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
7064 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
7065 (store_field): Use compare_tree_int.
7066 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
7067 (expand_expr, case ARRAY_REF): Use compare_tree_int.
7068 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
7069 (do_store_flag): Use compare_tree_int.
7070 * fold-const.c (encode, decode): Low part is always unsigned.
7071 (force_fit_type, add_double, neg_double, mul_double): Likewise.
7072 (lshift_double, rshift_double, lrotate_double): Likewise.
7073 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
7074 (fold_convert): Use compare_tree_int.
7075 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
7076 (invert_truthvalue, case INTEGER_CST): Likewise.
7077 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
7078 * mkdeps.c (deps_dummy_targets): Make I unsigned.
7079 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
7080 (lshift_double, rshift_double, lrotate_double, rrotate_double):
7082 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
7083 (expand_end_case): Use compare_tree_int.
7084 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
7085 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
7086 (layout_decl): Likewise.
7087 (layout_record, layout_union): Make sizes unsigned.
7088 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
7089 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
7090 * tree.c (struct type_hash): hashcode is unsigned.
7091 (build_type_attribute_variant, type_hash_list): Likewise.
7092 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
7093 (attribute_hash_list, build_array_type, build_method_type): Likewise.
7094 (build_complex_type): Likewise.
7095 (real_value_from_int_cst): Remove unneeded casts.
7096 (integer_all_onesp): Add casts.
7097 (tree_floor_log2, compare_tree_int): New functions.
7098 (build_index_type): Use tree_int_cst_sgn.
7099 * varasm.c (assemble_variable): Use compare_tree_int.
7101 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
7103 * cpphash.c (collect_expansion): Also catch ## at start of macro.
7105 * varasm.c (make_decl_rtl): Don't add a number to members of
7107 (make_function_rtl): Likewise.
7109 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7111 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
7112 patch from 2000-01-28.
7114 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
7116 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
7117 filled with an insn from the jump target.
7119 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7121 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
7122 (c4x_external_ref): Likewise.
7123 * config/c4x/c4x.c (struct name_list): Likewise.
7125 1999-12-16 Ben Collins <bcollins@debian.org>
7127 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
7128 argument to genmultilib.
7129 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
7130 the contents into the multilib.h header.
7131 * gcc.c: Declare multilib_exclusions for the specs file.
7132 (set_multilib_dir): Use it.
7133 (print_multilib_info): Likewise.
7134 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
7135 to pass to genmultilib.
7137 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7139 * builtins.c (built_in_class_names, built_in_names): Constify a
7142 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
7144 (_mcleanup): Ensure value matches format specifier in sprintf.
7146 * cpphash.c (special_symbol): Don't needlessly cast away
7149 * cppinit.c (base_name): Delete unused prototype.
7151 * mkdeps.c (deps_init): Make definition K&R safe.
7153 * tree.h (built_in_class_names, built_in_names): Constify a
7156 2000-03-06 Jakub Jelinek <jakub@redhat.com>
7158 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
7159 floating point instructions for epilogue delay.
7161 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
7162 to gas if it supports .register pseudo.
7164 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
7165 LONG_DOUBLE_TYPE_SIZE if not defined.
7166 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
7167 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
7169 * gengenrtl.c: Likewise.
7170 * print-rtl.c: Likewise.
7172 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
7173 MASK_LONG_DOUBLE_128.
7174 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
7175 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
7176 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
7177 (SUBTARGET_SWITCHES): Define.
7178 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
7179 with -mlong-double-128.
7180 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
7181 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
7182 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
7183 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
7184 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
7185 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
7186 with -mlong-double-128.
7187 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
7188 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
7189 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
7190 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
7191 TARGET_LONG_DOUBLE_128): Define.
7192 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
7193 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
7194 long double on TARGET_ARCH64.
7196 2000-03-06 Mark Mitchell <mark@codesourcery.com>
7198 * function.c (free_temps_for_rtl_expr): Don't free slots
7199 that have been pushed into a higher level.
7202 2000-03-05 Mark Mitchell <mark@codesourcery.com>
7204 2000-03-05 Mark Mitchell <mark@codesourcery.com>
7206 * basic-block.h (ALLOCA_REG_SET): Remove.
7207 (INITIALIZE_REG_SET): New macro.
7208 * flow.c (update_life_info): Use it.
7209 (calculate_global_regs_live): Likewise.
7210 (propagate_block): Likewise.
7211 * global.c (build_insn_chain): Likewise.
7212 * haifa-sched.c (schedule_region): Likewise.
7214 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
7216 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
7217 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
7218 (DWARF_ARANGES_PAD_SIZE): New define.
7219 (output_aranges): Use it to pad the address range header.
7220 (DWARF_ROUND): Fix for non power of 2 rounding.
7222 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
7224 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
7226 2000-03-05 Mark Mitchell <mark@codesourcery.com>
7228 * tree.def (RTL_EXPR): Update documentation.
7229 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
7230 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
7231 * function.c (preserve_rtl_expr_temp): New function.
7232 (preserve_rtl_expr_temps): Likewise.
7233 (preserve_rtl_expr_result): Use it.
7236 2000-03-04 Mark Mitchell <mark@codesourcery.com>
7238 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
7240 * regmove.c (copy_src_to_dest) Do not create src->dest move
7241 for unchanging destination.
7243 2000-03-04 Mark Mitchell <mark@codesourcery.com>
7245 * function.h (struct sequence_stack): Remove rtl_expr.
7246 (struct emit_staus): Likewise.
7247 (seq_rtl_expr): Remove.
7248 * tree.h (free_temps_for_rtl_expr): Don't declare.
7249 (start_sequence_for_rtl_expr): Likewise.
7250 * rtl.h (preserve_rtl_expr_result): Likewise.
7251 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
7252 (start_sequence_for_rtl_expr): Remove.
7253 (push_topmost_sequence): Don't save sequence_rtl_expr.
7254 (pop_topmost_sequence): Remove comment about not restoring it.
7255 (end_sequence): Don't set seq_rtl_expr.
7256 (init_emit): Don't initialize it.
7257 (mark_sequence_stack): Don't mark it.
7258 (mark_emit_status): Likewise.
7259 * except.c (protect_with_terminate): Use
7260 start_sequence_for_rtl_expr, not start_sequence.
7261 * expr.c (expand_expr, case RTL_EXPR): Don't call
7262 preserve_rtl_expr_result or free_temps_for_rtl_expr.
7263 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
7264 (preserve_rtl_expr_result): Remove.
7265 (free_temps_for_rtl_expr): Likewise.
7266 (pop_temp_slots): Likewise.
7267 (mark_temp_slot): Don't mark the rtl_expr.
7268 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
7269 start_sequence_for_rtl_expr.
7271 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
7273 * mkdeps.c, mkdeps.h: New files.
7274 * po/POTFILES.in: Add them.
7275 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
7276 (cpplib.o, cppinit.o): Depend on mkdeps.h.
7277 (mkdeps.o): New target.
7279 * cppfiles.c: Delete deps_output.
7280 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
7281 OBJECT_SUFFIX, and base_name.
7282 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
7284 (initialize_dependency_output): Use deps_init,
7285 deps_add_target, deps_calc_target, and deps_add_dep. Remove
7286 all the unnecessary string bashing.
7287 (cpp_finish): Use deps_write. Remove an unnecessary nesting
7289 * cpplib.c (do_include): Use deps_add_dep.
7290 * cpplib.h (struct cpp_reader): Replace deps_buffer,
7291 deps_allocated_size, deps_size, deps_column members with
7292 single pointer to a struct deps. Delete prototype of
7295 * cppinit.c: Fix thinko in previous patch.
7297 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7299 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
7300 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
7301 (mode_for_size_tree): New function.
7302 (layout_decl, layout_type): Call it and clean up BLKmode checks.
7303 * tree.h (mode_for_size_tree): New declaration.
7305 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
7307 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
7309 * stmt.c (is_body_block): Move...
7310 * dwarfout.c, dwarf2out.c: ...from here.
7311 * tree.h: Declare it.
7312 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
7313 * final.c (final_start_function): Do call remove_unnecessary_notes
7316 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
7318 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
7320 * cpplib.h (_dollar_ok): New macro.
7321 (is_idchar, is_idstart): Use it.
7322 (IStable): Rename to _cpp_IStable. Declare it const if
7323 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
7324 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
7325 is_space): Update for renamed IStable.
7327 * cppinit.c: Delete all references to FAKE_CONST and CAT
7328 macros. Define init_IStable as empty macro if gcc >=2.7 or
7329 C99. Change TABLE() to ISTABLE and hardcode name of table.
7330 (cpp_start_read): Don't change the IStable based on
7333 * cpphash.c (unsafe_chars): Add pfile argument. All callers
7334 changed. Handle '$' for char1 correctly.
7335 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
7337 * cppexp.c (tokentab2): Make const.
7338 (cpp_lex): Make toktab const.
7339 * cppinit.c (include_defaults_array): Make const.
7340 (initialize_standard_includes): Make default_include const.
7342 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7344 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
7345 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
7346 (gen_decl_die): Likewise.
7347 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
7348 (output_decl): Likewise.
7350 * varasm.c (make_function_rtl): If we change the name used in the
7351 rtl, update DECL_ASSEMBLER_NAME accordingly.
7352 (make_decl_rtl): Likewise.
7354 * toplev.c (rest_of_compilation): Tweak formatting.
7356 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
7357 remove_unnecessary_notes.
7358 (debug_ignore_block): New fn.
7359 * toplev.h: Declare it.
7360 * emit-rtl.c (remove_unncessary_notes): Call it.
7361 * dwarf2out.c (dwarf2out_ignore_block): New fn.
7362 * dwarf2out.h: Declare it.
7363 * final.c (final_start_function): Don't call remove_unnecessary_notes
7364 if we did insn scheduling.
7366 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
7368 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
7369 * cpplib.h: Delete SET_CPP_PEDANTIC.
7371 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7373 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
7374 result is a RECORD_TYPE.
7376 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
7378 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
7380 2000-03-03 Richard Henderson <rth@cygnus.com>
7382 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
7383 addition over compliments over shifts.
7385 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7387 * reload1.c (reload_combine_note_use): Handle return register USEs.
7388 REG case: Handle multi-hard-register hard regs.
7390 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7392 * md.texi: Document use of '*' in insn pattern name.
7394 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7396 * calls.c (special_function_p): operator new may not be malloc-like.
7398 * gcse.c (dump_hash_table): Really fix error in last change.
7400 2000-03-02 Denis Chertykov <denisc@overta.ru>
7402 * avr.c (print_operand): Use print_operand_address instead of
7404 * avr/libgcc.S: Cleanup code.
7406 2000-03-02 Richard Henderson <rth@cygnus.com>
7408 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
7410 2000-03-02 Mark Mitchell <mark@codesourcery.com>
7412 * tree.h (TYPE_ALIGN_UNIT): New macro.
7414 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
7416 * i386.c: (constant_call_address_operand): Reject CONST_INT.
7418 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
7420 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
7422 (SET_CPP_PEDANTIC): New macro.
7423 * cpplib.c (do_include): Don't bother checking system_header_p.
7424 (do_warning, do_ident, do_assert, do_unassert): Likewise.
7425 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
7427 * function.h (struct expr_status): Add x_arg_space_so_far.
7428 (arg_space_so_far): New macro.
7429 * expr.c (init_expr): Initialize it.
7430 * calls.c (emit_call_1): Reset it.
7431 (compute_argument_block_size, expand_call): Use it.
7432 (expand_call, store_one_arg): Increment it.
7434 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7436 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
7439 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
7441 * cppfiles.c (cpp_read_file): New function.
7443 * cpphash.c (collect_expansion): Make sure to reset last_token
7444 to NORM when we hit a string. Handle trailing whitespace
7445 properly when the expansion is empty.
7446 (create_definition): Disable line commands while parsing the
7448 (dump_definition): If pfile->lineno == 0, output a line
7449 command ahead of the dump, and add a trailing newline.
7451 * cppinit.c (append_include_chain): Add fifth argument, which
7452 indicates whether or not system headers are C++ aware.
7453 (initialize_standard_includes): New function,
7454 broken out of read_and_prescan. Pass 'cxx_aware' value from
7455 the include_defaults_array on to append_include_chain.
7456 (dump_special_to_buffer): Const-ify char array.
7457 (builtin_array): Don't dump __BASE_FILE__.
7458 (cpp_start_read): Use cpp_read_file. Reorder code for
7459 clarity. Don't output line commands here for -D/-A/-U
7460 switches. Don't call deps_output for files included with
7461 -include or -imacros.
7463 * cpplib.c (do_define): Don't pay any attention to the second
7465 (cpp_expand_to_buffer): Disable line commands while scanning.
7466 (output_line_command): Work in the file buffer.
7467 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
7468 Fix formatting of comments. Prototype cpp_read_file.
7470 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7472 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
7473 reference the language-equivalent of sizetype.
7474 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
7475 * fold-const.c (size_binop, size_diffop): Put back checks.
7476 * gcse.c (dump_hash_table): Fix minor error in last change.
7477 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
7478 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
7481 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
7483 * calls.c (expand_call) Do not attempt to combine stack adjustments
7484 with inhibit_defer_pop set.
7486 2000-03-01 Mark Mitchell <mark@codesourcery.com>
7488 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
7489 the DECL_SIZE for a FIELD_DECL.
7491 2000-03-01 Bruce Korb <bkorb@gnu.org>
7493 * fixinc/inclhack.tpl: remove unused symlinks
7494 * fixinc/README: GCC Maintainer info
7495 * fixinc/inclhack.sh: regen
7496 * fixinc/fixincl.sh: regen
7498 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
7500 * cpphash.c (collect_expansion): Trim trailing white space
7501 from macro definitions, but don't go past the last insertion
7504 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
7506 * i386.md (mulqi3): New pattern.
7508 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
7510 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
7512 (struct cpp_reader): Add parsing_if_directive and
7513 parsing_define_directive flags.
7514 (struct cpp_options): Remove output_conditionals flag.
7515 (check_macro_name): Delete prototype.
7517 * cpphash.h (struct macrodef): Delete.
7518 (struct reflist): Separate from struct definition.
7519 (struct definition): Remove unused fields. Add column number.
7520 (create_definition): Returns a DEFINITION *. Takes a
7521 cpp_reader * and an int.
7523 * cpphash.c (SKIP_WHITE_SPACE): Delete.
7524 (PEEKC): Copy defn from cpplib.c.
7525 (rest_extension, REST_EXTENSION_LENGTH): Delete.
7527 (struct arglist): Simplify.
7528 (collect_expansion): Rewrite. Get tokens by calling
7529 cpp_get_token. Add more error checking.
7530 (collect_formal_parameters): New function, broken out of
7531 create_definition and reworked to use get_directive_token.
7532 (create_definition): All real work is now in collect_expansion
7533 and collect_formal_parameters. do_define handles finding the
7534 macro name. Return a DEFINITION, not a MACRODEF.
7535 (macroexpand): Replace bcopy with memcpy throughout. Replace
7536 character-at-a-time copy loop with memcpy and pointer increments.
7537 (compare-defs): d1->argnames / d2->argnames might be null.
7539 * cpplib.c (copy_rest_of_line): Delete function.
7540 (skip_rest_of_line): Do all the work ourselves.
7541 (skip_string): New function.
7542 (parse_string): Use skip_string.
7543 (get_macro_name): New function.
7544 (check_macro_name): Delete.
7545 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
7546 (cpp_skip_hspace): Use CPP_BUMP_LINE.
7547 (handle_directive): ICE if we're called on a macro buffer.
7548 (do_define): Determine macro name and type (funlike/objlike)
7549 here. Expunge all uses of MACRODEF.
7550 (cpp_push_buffer): Set line_base to NULL.
7551 (do_undef, read_line_number): Don't worry about getting a POP token.
7552 (eval_if_expression): Set/reset parsing_if_directive around
7553 cpp_parse_expr. Don't clear only_seen_white.
7554 (skip_if_group): Remove output_conditionals logic. Use
7556 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
7557 tokens under appropriate conditions.
7558 (cpp_unassert): Call do_unassert not do_assert. Oops.
7560 * cppexp.c (parse_defined): New function, break out of
7562 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
7563 ourselves, with cpp_defined.
7564 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
7566 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
7567 * gcc.dg/strpaste-2.c: New.
7569 2000-02-29 Mark Mitchell <mark@codesourcery.com>
7571 * fold-const.c (size_binop): Don't asert inputs are the same and
7572 have TYPE_IS_SIZETYPE set.
7573 (size_diffop): Likewise.
7575 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
7577 * dwarfout.c (output_block): Output abstract blocks even if they
7578 don't have TREE_ASM_WRITTEN set.
7580 * calls.c (emit_library_call): Check for null REG.
7582 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
7584 * c-decl.c (current_function_decl): Move to toplev.c.
7585 (init_decl_processing): Don't add current_function_decl as a ggc
7587 * dbxout.c (dbxout_symbol): Change return type to int.
7588 (dbxout_symbol_location, dbxout_syms): Likewise.
7589 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
7590 any locals. Use current_function_func_begin_label if set.
7591 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
7592 * dwarf2out.c (dwarf2out_begin_prologue): Set
7593 current_function_func_begin_label.
7594 * final.c (final_start_function): Reset it.
7595 * toplev.c (current_function_decl): Define it here.
7596 (current_function_func_begin_label): New variable.
7597 (main): Add both as ggc roots.
7598 * tree.h (current_function_func_begin_label): Declare.
7600 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7602 * gcse.c: Cleanups throughout: mostly white-space, but also
7603 some minor rearrangement of code.
7605 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
7607 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
7608 returns a PARALLEL. Use emit_group_load and use_group_regs
7610 (emit_library_call_value): Similarly.
7612 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
7613 * pa/quadlib.asm: Remove.
7614 * pa/quadlib.c: New file.
7616 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
7617 * configure: Rebuilt.
7619 2000-02-29 Philip Blundell <pb@futuretv.com>
7621 * config/arm/conix-elf.h: New file.
7622 * configure.in (arm*-*-conix*): New configuration.
7623 * configure: Regenerate.
7625 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
7627 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
7628 don't have TREE_ASM_WRITTEN set.
7630 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7632 * Eliminate DECL_FIELD_SIZE.
7633 * builtins.c (built_in_class_names, built_in_names): New variables.
7634 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
7635 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
7636 DECL_SIZE, not DECL_FIELD_SIZE.
7637 * print-tree.c (print_node): Remove code that prints extra blank
7638 lines in some cases.
7639 Properly handle inline and builtin function cases.
7640 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
7641 * tree.h (built_in_class_named, built_in_names): New declarations.
7642 (union tree_decl): Rename internal unions to u1 and u2 and change
7643 some of their components.
7644 Add new field built_in_class.
7645 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
7646 Reflect above changes.
7647 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
7648 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
7649 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
7650 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
7652 2000-02-28 Dmitri Makarov <dim@windriver.com>
7654 * extend.texi: Document ARM's support for long/short calls.
7656 * invoke.texi: Document ARM's -mlong-calls command line switch.
7658 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
7659 (arm_encode_call_attribute): Add prototype.
7660 (arm_set_default_type_attribute): Add prototype.
7661 (arm_strip_name_encoding): Add prototype.
7663 * config/arm/arm.c (arm_init_cumulative_args): replace
7664 initialisation og 'long_calls' field with initialisation of
7665 'call_cookie' field.
7666 (enum arm_pragma_enum): New enum.
7667 (arm_pragma_long_calls): New static variable.
7668 (arm_process_pragma): Also process "#pragma long_calls_off".
7669 (arm_valid_type_attribute_p): Accept short_call attribute.
7670 (arm_comp_type_attributes): Check long/short call attributes.
7671 (arm_encode_call_attribute): New function: Encode long_call
7672 or short_call attribute in function name.
7673 (arm_set_default_type_attributes): New function: Assign
7674 default attributes to newly defined type.
7675 (current_file_function_operand): New function: Return true if
7676 the symbol is a function which has already been compiled.
7677 (arm_is_longcall_p): New function: Return true if the
7678 indicated function should be called via a long call.
7679 (arm_get_strip_length): New function. Returns number of
7680 prefix characters to be stripped from a function's name.
7681 (arm_strip_name_encoding): New function. Strip prefix characters
7682 from a function's name.
7684 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
7686 (SHORT_CALL_FAG_CHAR): Define.
7687 (LONG_CALL_FAG_CHAR): Define.
7688 (ENCODED_SHORT_CALL_ATTR_P): Define.
7689 (ENCODED_LONG_CALL_ATTR_P): Define.
7690 (ARM_NAME_ENCODING_LENGTHS): Define.
7691 (STRIP_NAME_ENCODING): Define.
7692 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
7693 (ARM_ENCODE_CALL_TYPE): Define.
7694 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
7695 (ARM_DECLARE_FUNCTION_SIZE): Define.
7696 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
7698 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
7699 if a long call is needed.
7700 (call_value): Ditto.
7701 (call_symbol): Ditto.
7703 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
7704 ARM_DECLARE_FUNCTION_SIZE.
7706 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
7707 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
7708 (ARM_STRIP_NAME_ENCODING): Undefine.
7709 (STRIP_NAME_ENCODING): Undefine.
7710 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
7711 (ASM_DECLARE_FUNCTION_NAME): Ditto.
7712 (ASM_OUTPUT_COMMON): Ditto.
7713 (ASM_DECLARE_OBJECT_NAME): Ditto.
7715 * config/arm/pe.c (arm_dllexport_name_p): Check for
7717 (arm_dllimport_name_p): Ditto.
7718 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
7719 (arm_mark_dllimport): Ditto.
7721 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7723 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
7725 2000-02-28 Mark Mitchell <mark@codesourcery.com>
7727 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
7729 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
7731 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
7732 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
7733 NO_BUILTIN_WCHAR_TYPE is not defined.
7734 (CPP_WCHAR_TYPE): Delete.
7735 * cccp.c (main): Don't change wchar_type if cplusplus.
7736 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
7738 2000-02-28 Nick Clifton <nickc@cygnus.com>
7740 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
7742 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
7744 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
7745 (ASM_WEAKEN_LABEL): Define.
7747 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
7749 * expr.c (store_constructor): Do not emit USE.
7750 * rtl.h (stupid_life_analysis): Remove.
7752 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7754 * function.c (number_blocks): Reset next_block_index based on
7755 what debugging format is used, not what is defined.
7757 * lcm.c: Minor reformatting throughout.
7758 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
7760 * toplev.c (rest_of_compilation): Account for time in
7761 optimize_mode_switching.
7763 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
7764 if only marking labels.
7766 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
7768 * calls.c (expand_call): Attempt to combine stack adjustments with
7769 pending stack adjustments.
7771 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7773 * loop.c (reg_in_basic_block_p): Don't abort when falling through
7774 to the end of the function.
7776 2000-02-27 Mark Mitchell <mark@codesourcery.com>
7778 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
7780 * final.c (next_block_index): Remove.
7781 (max_block_depth): Likewise.
7782 (pending_blocks): Likewise.
7783 (init_final): Don't initialize them.
7784 (final_start_function): Don't set next_block_index. Set up
7786 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
7787 * function.h (number_blocks): New function.
7788 * function.c (get_block_vector): New function.
7789 (identify_blocks): Use it.
7790 (reorder_blocks): Set NOTE_BLOCK.
7791 (number_blocks): New function.
7792 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
7793 * tree.h (BLOCK_NUMBER): New macro.
7794 (tree_block): Add block_num field.
7795 * dbxout.c (next_block_number): Remove.
7796 (dbxout_init): Don't set it.
7797 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
7798 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
7800 * toplev.c (rest_of_compilation): Always call
7801 find_loop_tree_blocks. Fix indentation.
7802 * dwarf2out.c (next_block_number): Remove.
7803 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7804 to determine block numbers.
7805 (gen_inlined_subroutine_die): Likewise.
7806 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
7807 (decls_for_scope): Don't increment next_block_number.
7808 * dwarfout.c (next_block_number): Remove.
7809 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7810 to determine block numbers.
7811 (output_inlined_subroutine_die): Likewise.
7812 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
7813 (output_decls_for_scope): Don't increment next_block_number.
7814 * sdbout.c (next_block_number): Remove.
7815 (sdbout_block): Use BLOCK_NUMBER.
7816 (sdbout_begin_block): Simplify.
7817 * xcoffout.c (next_block_number): Remove.
7818 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
7819 (xcoffout_begin_block): Don't set next_block_number.
7820 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
7823 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7825 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
7826 (expand_builtin_strcpy): Pass correct type to size_binop.
7827 (expand_builtin_strcmp): Likewise.
7828 Clean up conditional structure.
7829 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
7830 (complete_array_type): Don't use size_binop for MAXINDEX.
7831 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
7832 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
7833 (c_alignof): Use size_one_node.
7834 (build_unary_op): Pass arg of proper type to size_binop.
7835 (really_start_incremental_init, push_init_level): Use sizetype for
7836 constructor{,_bit,_unfilled}_index.
7837 (pop_init_label, output_init_element): Likewise.
7838 (output_pending_init_elements, process_init_element): Likewise.
7839 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
7840 * expr.c (store_expr): Use size_int.
7841 (store_constructor): Use proper types for size_binop args.
7842 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
7843 (expand_expr_unaligned): Likewise.
7844 (string_contant): Return object of sizetype.
7845 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
7846 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
7847 (ARGS_SIZE_TREE): Pass proper types to size_binop.
7848 * fold-const.c (int_const_binop): Refine when size_int is called.
7849 (fold_convert): Likewise.
7850 (size_int_wide): Rework to take KIND as arg, only take low order
7851 bits, handle new sizetype_tab datatype, and chain entries in
7853 (size_int_type_wide): New function.
7854 (size_binop): Validate types of arguments.
7855 (ssize_binop): Deleted.
7856 (size_diffop): New function.
7857 (extract_muldiv): Only fold division into multiplication for sizetypes.
7858 * function.c (assign_parms): Use size_diffop and make sure
7859 VAR field is of ssizetype; also pass proper type to size_binop.
7860 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
7861 (round_down): Deleted from here.
7862 * store-layout.c (sizetype_tab): Now an array.
7863 (sizetype_set, early_root_list): New variables.
7864 (variable_size): Use size_one_node.
7865 (round_up): Pass proper type to size_binop.
7866 (round_down): Moved to here and corrected as above.
7867 (layout_record): Pass proper arg types to size_binop.
7868 (layout_type): Likewise.
7869 If sizetype_set is zero, record the type just laid out.
7870 (make_unsigned_type): Don't call set_sizetype;
7871 (make_signed_type): Likewise; also, call fixup_signed_type.
7872 (initialize_sizetypes): New function.
7873 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
7874 set name of bitsizetype to "bit_size_type".
7875 Fix up type of sizes of all types made before call.
7876 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
7877 * tree.c (fix_sizetype): Deleted.
7878 (build_common_tree_nodes): Call initialize_sizetypes.
7879 (build_common_tree_nodes_2): Don't call fix_sizetype.
7880 * tree.h (TYPE_IS_SIZETYPE): New macro.
7881 (initialize_sizetype): New declaration.
7882 (enum size_type_kind): New type.
7883 (struct sizetype_tab): Deleted.
7884 (sizetype_tab): Now array; adjust sizetype macros.
7885 (size_diffop, size_int_type_wide): New functions.
7886 (size_int_wide): Change number of args and type; access macros changed.
7887 (ssize_int, sbitsize_int): New macros.
7888 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
7889 (ROUND_TYPE_SIZE_UNIT): New macro.
7891 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
7893 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
7895 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7897 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
7898 Mark as possibly unused.
7900 * cse.c (cse_insn): Delete dead code involving tablejump.
7901 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
7903 * Makefile.in (libcpp.a): Start by deleting it.
7905 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7907 * cpplib.h (enum file_change_code): Added rename_file.
7908 * cpplib.c (do_line): If a filename is given, set file_change to
7910 (output_line_command): If file_change is rename_file, always
7911 output a # directive with the file name.
7913 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
7915 2000-02-26 Mark Mitchell <mark@codesourcery.com>
7917 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
7918 when copying a PARM_DECL or RESULT_DECL.
7920 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7922 * fix-header.c (recognized_function): Also fix prototypes for
7923 functions taking "void".
7925 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7927 * reload1.c (do_output_reload): Check reg_reloaded_valid before
7928 looking at reg_reloaded_contents.
7930 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
7932 * Makefile.in (STMP_FIXINC): New toggle.
7933 (LIBGCC2_DEPS): Delete all references.
7934 (stmp-headers): Delete target. All references either deleted
7935 or changed to stmp-int-headers.
7936 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
7937 (LIBCPP_OBJS): Take out cppalloc.o.
7938 (cppalloc.o): Delete target.
7939 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
7940 (gen-protos, fix-header): Link with libiberty.a.
7941 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
7944 * configure.in: Remove refs to strerror.
7945 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
7946 * system.h: Take out strerror stanza.
7948 * cpperror.c (my_strerror): Delete function.
7949 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
7950 * cppmain.c (main): Call xmalloc_set_program_name first thing.
7951 * cppalloc.c: Delete file.
7952 * gen-protos.c: Don't provide xrealloc.
7954 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
7955 xstrerror throughout.
7957 2000-02-26 Bruce Korb <bkorb@gnu.org>
7959 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
7960 match for DOS headers, too.
7961 * fixinc/inclhack.sh,fixincl.x: Regenerate.
7963 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7965 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
7966 is right for most ELF targets.
7967 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
7968 Let the default file use %U properly.
7969 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
7972 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
7975 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7977 * toplev.c (documented_lang_options): Correct spelling error.
7978 (decode_d_option, decode_f_option, main): Likewise.
7980 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
7982 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
7983 to tell assembler it is permitted to expand large constants.
7985 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
7987 * protoize.c: (AUX_INFO_SUFFIX): New macro.
7988 (aux_info_suffix): Use.
7989 (SAVE_SUFFIX): New macro.
7991 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
7992 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
7993 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
7995 * invoke.texi (Running Protoize): Update documentation.
7997 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
7999 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
8001 2000-02-25 John Wehle (john@feith.com)
8003 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
8005 2000-02-25 Anthony Green <green@cygnus.com>
8007 * toplev.c (rest_of_compilation): Rebuild jump labels if
8008 combine_instructions has created a new direct jump.
8009 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
8011 (combine_instructions): Call try_combine with new argument.
8012 Return non-null value when new direct jump instruction is created.
8013 * rtl.h: combine_instructions returns an int.
8015 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
8017 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
8018 jump when changing a computed jump into a jump to a known
8021 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
8023 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
8024 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
8026 * i386.md (define_expand "clrstrsi"): Fix typo.
8028 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
8030 * rtl.texi: Fix typo.
8032 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8034 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
8035 UNITS_PER_WORD. Change caller initial_elimination_offset.
8036 (rounded_frame_size): Take into account that argument pushed has
8037 changed. Fix TARGET_ALIGN_DOUBLE problem.
8039 2000-02-25 Geoff Keating <geoffk@cygnus.com>
8041 * haifa-sched.c (schedule_block): Explain the real reason
8042 we delete REG_SAVE_NOTEs on the first insn of a block.
8043 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
8045 2000-02-24 Mark Mitchell <mark@codesourcery.com>
8047 * input.h (push_srcloc): New function.
8048 (pop_srcloc): Likewise.
8049 * toplev.c (push_srcloc): Define it.
8050 (pop_srcloc): Likewise.
8052 2000-02-24 Richard Henderson <rth@cygnus.com>
8054 * flow.c (life_analysis): When collecting reg info, clear
8057 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8059 Fix bug exposed by reload.c no longer rounding the frame
8060 size to BIGGEST_ALIGNMENT:
8061 * sh.c (rounded_frame_size): New function.
8062 (sh_expand_prologue, sh_expand_epilogue): Use it.
8063 (initial_elimination_offset): Likewise.
8065 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8067 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
8068 * sh-protos.h (sh_need_epilogue): Declare.
8069 * sh.c (sh_need_epilogue_known): New static variable.
8070 (sh_need_epilogue): New function.
8071 (function_epilogue): Clear need_epilogue_known.
8072 * sh.md (return): Split into expander / insn pattern.
8073 Make the expander conditional on ! sh_need_epilogue ().
8075 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
8077 * machmode.h (get_mode_alignment): Declare.
8078 (GET_MODE_ALIGNMENT): Call it.
8079 * stor-layout.c (get_mode_alignment): New function. Make
8080 sure alignment is always power of 2.
8082 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
8084 * i386.h: Remove useless definition of "I386" and misleading
8087 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
8089 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
8090 under which TREE_PERMANENT will be set.
8091 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
8092 build1): Use TREE_SET_PERMANENT.
8093 * print-tree.c (print_node): Don't report value of
8094 TREE_PERMANENT if ggc_p is true.
8096 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
8097 decide whether to give a type a new alias set.
8098 * objc/objc-act.c (build_objc_string_object): Never copy the string.
8099 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
8100 of value of 'obstack'.
8103 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8105 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
8107 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8109 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
8110 * cpplib.c (cpp_get_token): Produce them.
8111 * cppexp.c (cpp_lex): Handle them.
8113 2000-02-23 Nick Clifton <nickc@cygnus.com>
8115 * config/arm/arm.c (arm_comp_type_attributes): Simply and
8116 comment tests on type attributes.
8118 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8120 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
8121 conform to documentation.
8122 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
8123 to check for special cases.
8124 * sh-protos.h (sh_loop_align): Declare.
8125 * sh.c (sh_loop_align): Define.
8127 2000-02-22 Andrew Haley <aph@cygnus.com>
8129 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
8130 (SIZE_TYPE): Is 32 bits when using -mgp32.
8131 (PTRDIFF_TYPE): Ditto.
8133 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8135 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
8137 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
8139 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
8140 BIGGEST_FIELD_ALIGNMENT a constant.
8142 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
8144 * dwarf2out.c (output_line_info): Put the marker for the end of
8145 the line number info at the actual end.
8146 (gen_struct_or_union_type_die): Use decl_function_context
8147 to check for local classes.
8148 * dwarfout.c (output_type): Likewise.
8150 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
8152 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
8153 for arguments with a mode, but no type.
8154 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
8155 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
8156 * pa/long_double.h: New file.
8157 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
8158 both have 128bit wide long doubles.
8159 * configure: Rebuilt.
8161 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8163 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
8165 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
8166 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
8167 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
8169 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
8171 * integrate.c (compare_blocks, find_block): Likewise.
8173 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
8175 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
8177 * stmt.c (stmt_status, set_file_and_line_for_stmt,
8178 expand_asm_operands): Likewise.
8180 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
8182 * predict.c (estimate_probability): Added the pointer heuristic to
8183 the collection of static branch predictors.
8185 2000-02-21 Catherine Moore <clm@cygnus.com>
8187 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
8188 * invoke.texi (-mfix7000): Document.
8190 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
8192 * diagnostic.c (init_output_buffer): Make it possible to output at
8193 least 32 characters if we're given a too long prefix.
8195 2000-02-20 Mark Mitchell <mark@codesourcery.com>
8197 * varasm.c (initializer_constant_valid_p): Call
8198 lang_expand_constant to simplify the constant.
8200 2000-02-20 Bruce Korb <bkorb@gnu.org>
8202 * fixinc/inclhack.def(stdio_va_list):
8203 typedef needs to be disabled.
8204 * fixinc/inclhack.sh: regen
8205 * fixinc/fixincl.x: regen
8207 2000-02-20 Geoff Keating <geoffk@cygnus.com>
8209 * print-rtl.c (print_rtx): Don't print addresses when
8210 flag_dump_unnumbered.
8212 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8214 * sparc.c (sparc_output_scratch_registers): Mark parameter with
8216 (sparc_va_arg, sparc_flat_output_function_prologue,
8217 sparc_flat_output_function_epilogue): Cast value to unsigned in
8219 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
8221 * sparc.md: Add default case in switch.
8223 2000-02-19 Richard Henderson <rth@cygnus.com>
8225 * c-typeck.c (add_pending_init): Don't abort for multiple
8226 fields at the same offset.
8227 (pending_init_member): Test the correct member.
8229 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8231 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
8233 (start_catch_handler) : Same.
8235 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
8237 * Makefile.in: Have flow.o depend on $(EXPR_H)
8239 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8241 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
8242 * c-decl.c (duplicate_decls, finish_enum): Likewise.
8243 (finish_decl): Remove -Wlarger-than code from here.
8244 * flags.h (id_clash_len): Now int.
8245 (larger_than_size): Now HOST_WIDE_INT.
8246 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
8247 Clean up checking to see if in table.
8248 (make_bit_field_ref): Remove extra parm to bitsize_int.
8249 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
8250 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
8251 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
8252 and for computing size of decl.
8253 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
8254 Move -Wlarger-than code to here.
8255 (layout_record): Remove extra arg to bitsize_int.
8256 Set TYPE_BINFO_SIZE_UNIT.
8257 (layout_union): Remove extra arg to bitsize_int.
8258 Use proper type for size of QUAL_UNION.
8259 (layout_type): Remove extra arg to bitsize_int.
8260 * toplev.c (id_clash_len): Now int.
8261 (larger_than_size): Now HOST_WIDE_INT.
8262 (decode_W_option): Clean up id-clash and larger-than- cases.
8263 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
8264 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
8265 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
8266 (struct tree_decl): New field size_unit.
8267 (size_int_wide): No HIGH operand; NUMBER is now signed.
8268 (size_int_2): Deleted.
8269 (size_int, bitsize_int): Don't use it and rework args.
8270 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
8272 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
8274 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
8276 2000-02-18 Geoff Keating <geoffk@cygnus.com>
8278 * invoke.texi (Warning Options): Add an explanation of why
8279 you might want the -Wfloat-equal flag.
8281 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8283 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
8284 * cppinit.c (new_pending_define): Add cast to avoid warning.
8285 * expmed.c (extract_bit_field): Likewise.
8286 * flow.c (enum reorder_skip_type): New type.
8287 (skip_insns_between_blcok): New it.
8288 Rework to avoid warning about possibly undefined variable.
8289 * function.c (assign_parms): Make thisparm_boundary unsigned.
8290 * genrecog.c (write_switch): Cast XWINT result to int.
8291 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
8292 * mips-tfile.c (init_file): Make two versions of FDR intializer:
8293 one for MIPS and one for Alpha.
8294 (get_tag, copy_object): Add casts to avoid warnings.
8295 * optabs.c (init_one_libfunc): Cast NAME to (char *).
8296 * reload.c (find_reloads): Make TYPE enum reload_type.
8297 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
8298 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
8299 * varasm.c (compare_constant_1): Add cast to avoid warning.
8300 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
8302 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
8303 Cast switch operand of size to int.
8304 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
8305 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
8308 2000-02-18 Nick Clifton <nickc@cygnus.com>
8310 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
8311 anything for an alignment of zero.
8313 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
8314 anything for an alignment of zero.
8316 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
8318 * gcc.texi (Bug Reporting): Refer to bugs.html.
8319 (Bug Lists): Likewise.
8320 * system.h (GCCBUGURL): New preprocessor define.
8321 * rtl.c (fancy_abort): Use it.
8322 * gcc.c (main): Likewise.
8324 2000-02-18 Richard Henderson <rth@cygnus.com>
8326 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
8327 (life_analysis_1): Subsume into ...
8328 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
8329 Use update_life_info for the relaxation.
8330 (update_life_info): Update REG_BASIC_BLOCK for registers live on
8331 entry and regs_live_at_setjmp.
8332 (set_noop_p): Simplify.
8333 (notice_stack_pointer_modification_1): Renamed from s/_1//.
8334 (record_volatile_insns): Split into ...
8335 (delete_noop_moves): ... here,
8336 (notice_stack_pointer_modification): ... here,
8337 (insn_dead_p): ... and here.
8338 (propagate_block): Don't query INSN_VOLATILE.
8339 (mark_used_regs): Mind !PROP_REG_INFO.
8340 * toplev.c (rest_of_compilation): Call mark_constant_function here,
8341 not in life_analysis.
8343 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
8345 * loop.c (canonicalize_condition): New function,
8346 broken out of get_condition.
8347 (get_condition): Use it.
8348 * expr.h (canonicalize_condition): Prototype it.
8350 * tree.h (tree_int_cst_msb): Declare.
8351 * tree.c (tree_int_cst_msb): New function.
8353 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8355 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
8358 * invoke.texi (-fmessage-length=n): Document.
8360 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
8362 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
8364 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8366 * function.c (thread_prologue_and_epilogue_insns): Put a line note
8369 2000-02-17 Nick Clifton <nickc@cygnus.com>
8371 * config/arm/thumb.c: Replace includes of system headers with
8372 #include "system.h".
8374 2000-02-16 Richard Henderson <rth@cygnus.com>
8376 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
8377 Add crtbeginS.o and crtendS.o.
8378 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
8379 (ENDFILE_SPEC): Use crtendS.o.
8380 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
8382 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
8383 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
8385 (__dso_handle): New variable.
8386 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
8387 bias to __CTOR_END__.
8389 2000-02-16 Richard Henderson <rth@cygnus.com>
8391 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
8393 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
8395 * longlong.h (__clz_tab): Declare as static to match definition.
8397 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
8398 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
8399 (XREF_FILE_NAME): Define.
8401 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
8402 (EH_FRAME_SECTION_ASM_OP): Define.
8403 (IDENT_ASM_OP): Define.
8404 (TEXT_SECTION_ASM_OP): Define.
8406 (CTORS_SECTION_ASM_OP): Define.
8407 (CTOR_SECTION_FUNCTION): Use it.
8408 (DTORS_SECTION_ASM_OP): Define.
8409 (DTOR_SECTION_FUNCTION): Use it.
8411 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
8413 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
8416 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
8417 debug_bb_n): New functions.
8418 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
8419 * basic-block.h: Prototype new functions.
8421 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
8423 * configure.in: Add support for avr target.
8424 * configure: Rebuilt.
8426 * invoke.texi: Add AVR invocation docs.
8427 * install.texi: Add information about AVR.
8428 * md.texi: Add AVR constraint letters description.
8429 * extend.texi: Add description for AVR specific attributes.
8431 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
8433 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
8435 2000-02-16 Nick Clifton <nickc@cygnus.com>
8437 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
8438 (make_insn_raw): Move RTL check here.
8440 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8442 * version.c: Include gansidecl.h and version.h.
8444 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
8446 * configure.in (gcc_version): When setting, narrow search to
8447 lines containing `version_string'.
8449 * Makefile.in (mainversion): Likewise.
8450 (GCC_H): New variable.
8451 (gcc.h): Delete target.
8452 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
8453 (version.o): Depend on version.h.
8454 (dbxout.o): Don't depend on gcc.h.
8456 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
8457 Michael Meissner <meissner@cygnus.com>
8459 * md.texi (Simple Constraints): Add item about whitespace.
8460 * genoutput.c (strip_whitespace): New.
8461 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
8462 strip_whitespace for constraints.
8463 Test pointer using NULL, not 0.
8465 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8467 * cpplib.c (do_line): Pedwarn for #line > 32767.
8469 * c-lex.c (readescape): Warn about '\x', but do not reject it.
8471 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
8473 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
8474 to default cpp spec.
8475 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
8476 * cpp.texi: Document __GNUC_PATCHLEVEL__.
8479 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
8482 2000-02-15 Denis Chertykov <denisc@overta.ru>
8484 * configure.in: Add support for avr target.
8486 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8488 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
8489 (sh_addr_diff_vec_mode): Don't declare.
8490 * sh.c (sh_addr_diff_vec_mode): Delete.
8492 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8494 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
8496 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8498 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
8499 (smulsi3_highpart_i): Name.
8500 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
8501 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
8502 (smulsi3_highpart, umulsi3_highpart): Likewise.
8504 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
8505 correctly independent of endianness.
8506 (mulsidi3, umulsidi3): Now define_insn. Hide details that
8507 confuse the optimizers.
8508 (mulsidi3+1, umulsidi3+1): New define_split.
8510 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
8512 * config/sh/sh.md: Guard insn splits against illegal registers.
8513 * config/sh/sh.h: Correct comment about macros.
8515 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8516 Andrew MacLeod <amacleod@cygnus.com>
8518 * Makefile.in (lcm.o): Depend on insn-attr.h.
8519 * basic-block.h (optimize_mode_switching): Declare.
8520 * lcm.c (tm_p.h, insn-attr.h): #include.
8521 (seginfo, bb_info): New structs.
8522 (antic, transp, comp, delete, insert) : New file-scope static variables.
8523 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
8524 (reg_becomes_live, optimize_mode_switching): Likewise.
8525 * tm.texi: Add description of mode switching macros.
8526 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
8528 * sh-protos.h (remove_dead_before_cse): Remove prototype.
8529 (fldi_ok, fpscr_set_from_mem): New prototypes.
8530 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
8531 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
8532 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8533 (sh_flag_remove_dead_before_cse): Remove declaration.
8534 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
8535 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
8536 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
8537 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8538 (barrier_align): Allow for JUMP_INSNS containing a parallel.
8539 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
8540 (fldi_ok): New function.
8541 (get_fpscr_rtx): Add fpscr_rtx as GC root.
8542 (emit_sf_insn): Only generate fpu switches when optimize < 1.
8543 (emit_df_insn): Likewise.
8544 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
8545 (sh_flag_remove_dead_before_cse): Delete.
8546 (get_free_reg, fpscr_set_from_mem): New functions.
8547 * sh.md (movdf, movsf): Remove no_new_pseudos code.
8548 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
8550 2000-02-15 Loren Rittle <ljrittle@acm.org>
8552 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
8554 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8556 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
8557 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
8559 * cccp.c: Include version.h and/or don't declare `version_string'.
8560 * collect2.c: Likewise.
8561 * alpha.c: Likewise.
8562 * arm/aof.h: Likewise.
8563 * arm/coff.h: Likewise.
8564 * arm/elf.h: Likewise.
8565 * arm/pe.h: Likewise.
8566 * arm/tcoff.h: Likewise.
8567 * arm/telf.h: Likewise.
8568 * arm/tpe.h: Likewise.
8569 * arm/vxarm.h: Likewise.
8570 * convex/convex.c: Likewise.
8571 * i386/dgux.c: Likewise.
8572 * i386/sun386.h: Likewise.
8573 * m88k/m88k.c: Likewise.
8574 * mcore/mcore-pe.h: Likewise.
8575 * mips/mips.h: Likewise.
8576 * romp/romp.h: Likewise.
8577 * sh/sh.c: Likewise.
8578 * cpphash.c: Likewise.
8579 * cppinit.c: Likewise.
8580 * dwarf2out.c: Likewise.
8581 * dwarfout.c: Likewise.
8584 * mips-tfile.c: Likewise.
8585 * protoize.c: Likewise.
8586 * toplev.c: Likewise.
8589 * version.c (version_string): Constify a char*.
8591 * version.h: New file.
8593 2000-02-14 Nick Clifton <nickc@cygnus.com>
8595 * configure.in: Add mcore-elf and mcore-pe targets.
8596 * configure: Regenerate.
8598 * NEWS: Add note that MCore port has been contributed.
8600 * invoke.texi: Document command line switches for MCore port.
8601 * install.texi: Add MCore to list of supported targets.
8603 2000-02-14 Geoff Keating <geoffk@cygnus.com>
8605 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
8606 then we will need to import the frame handling functions.
8607 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
8608 to import the frames themselves.
8610 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
8611 Jason Eckhardt <jle@cygnus.com>
8613 * basic_block.h: Added prototype for reorder_basic_blocks.
8614 * toplev.c: Changes to add -freorder-blocks and graph dump after
8615 block reordering is done.
8616 * flow.c (reorder_block_def): New structure for use during block
8618 (REORDER_BLOCK_*): New macros to access members of above structure.
8619 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
8620 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
8621 functions for block reordering.
8623 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
8625 * gcc.texi (Passes): Fix typo.
8626 * md.texi (Standard Names): Ditto.
8627 * tm.texi (Storage Layout): Ditto.
8629 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8631 * cpplib.c (do_define): Only free the old definition if it
8634 2000-02-13 Neil Booth <NeilB@earthling.net>
8636 * cppfiles.c (read_and_prescan): When emitting deferred
8637 newlines, test speccase[] again instead of checking each
8638 possible whitespace character in turn. When we encounter \r,
8639 look behind for \n first, then ahead.
8641 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8643 * cse.c (cse_altered): New internal flag.
8644 (cse_insn): Set it if we changed an insn.
8645 (cse_main): Clear cse_altered before each basic block.
8646 Only garbage collect if cse_altered is true afterward.
8648 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8650 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
8652 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
8654 * combine.c (simplify_comparison): Fix typo.
8656 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
8658 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
8661 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8663 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
8664 previously inserted node instead of root node. Caller changed.
8666 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8668 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
8670 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8672 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
8673 __dereg_frame_dtor): Add prototype argument.
8675 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
8677 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
8679 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
8681 * gthr-vxworks.h (__gthread_once): Likewise.
8683 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
8685 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
8687 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
8688 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
8689 stack pointer in functions w/o saved registers, output LEAVE more often
8690 on TARGET_USE_LEAVE machines.
8692 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
8694 * config/arm/arm.c (arm_init_cumulative_args); New function:
8695 Initlaise the CUMULATIE_ARGS strcuture for a function
8697 (arm_function_arg): New function: Determine where to place a
8698 function's argument. Also handles deciding the function's
8700 (current_file_function_operand): New function: Return true if
8701 the symbol is a function which has already been compiled.
8702 (arm_is_long_call_p): New function: Return true if the
8703 indicated function should be called via a long call.
8704 (arm_valid_type_attribute_p): New function: Return true if the
8705 attribute is a valid, arm specific, attribute.
8706 (arm_comp_type_attribute): New function: Return true if the
8707 two types have compatable, arm specific, attributes.
8709 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
8711 (FUNCTION_ARG): Redefine to call arm_function_arg.
8712 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
8714 (INIT_CUMULATIVE_ARGS): Redefine to call
8715 arm_init_cumulative_args.
8716 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
8718 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
8720 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
8722 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
8723 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
8724 (COMP_TYPE_ATTRIBUTES): Define.
8726 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
8727 if a long call is needed.
8728 (call_value): Call arm_is_long_call_p to decide if a long call
8730 (call_symbol): Call arm_is_long_call_p to decide if a long call
8733 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
8735 2000-02-11 Denis Chertykov <denisc@overta.ru>
8737 * README.AVR: New file with information about the avr ports.
8738 * config/avr: New directory with avr port files.
8740 2000-02-11 Andreas Jaeger <aj@suse.de>
8742 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
8744 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
8746 * cpphash.c: Fix formatting, update commentary.
8747 (dump_definition): Take three separate arguments instead of a
8748 MACRODEF structure argument.
8749 * cpphash.h: Update prototype of dump_definition.
8750 * cppinit.c (cpp_finish): Update call of dump_definition.
8752 * cpplib.c (do_define): Always create new hash entry with
8753 T_MACRO type. Remove redundant check for redefinition of
8754 poisoned identifier. Update call of dump_definition.
8755 (do_undef): Don't call check_macro_name. Rename sym_length to
8757 (do_error, do_warning): Don't use copy_rest_of_line or
8759 (do_warning): Don't use pedwarn for the actual warning,
8760 only the notice about its not being in the standard. (Fixes
8761 bug with #warning in system headers.)
8762 (do_ident): Stricter argument checking - accept only a single
8763 string after #ident. Also, macro-expand the line.
8764 (do_xifdef): Use cpp_defined. De-obfuscate.
8766 (do_pragma): Split out specific pragma handling to separate
8767 functions. Use get_directive_token. Update commentary. Do
8768 not pass on #pragma once or #pragma poison to the front end.
8769 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
8770 do_pragma_default): New.
8772 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
8774 * jump.c (jump_optimize_1): The first operand in a relational
8776 * optabs.c (emit_conditional_move): Handle relationals which
8777 have a known true/false result.
8779 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8781 * function.c (thread_prologue_and_epilogue_insns): Don't insert
8782 a RETURN insn into a block which already ends with a jump.
8784 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8786 * haifa-sched.c (BUF_LEN): Increase a lot.
8788 2000-02-11 Nick Clifton <nickc@cygnus.com>
8790 * configure.in: Add tm_p_file specification for thumb targets.
8791 * configure: Regenerate.
8793 * config/arm/thumb-protos.h: New file: Prototypes for exported
8794 functions defined in thumb.c.
8796 2000-02-11 Robert Lipe <robertl@sco.com>
8798 * Makefile.in (bootstrap-lean): Remove additional files.
8799 (bootstrap2-lean): Likewise.
8800 (VOL_FILES): List of files for above.
8802 2000-02-11 Nathan Sidwell <nathan@acm.org>
8804 * cpphash.c (special_symbol): Remove spurious argument to
8807 2000-02-11 Joel Sherrill (joel@OARcorp.com>
8809 * configure.in: (i*86-*-rtems*): Swapped elf and coff
8811 * configure: Rebuilt.
8813 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
8815 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
8817 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
8819 * pa.c, pa.h: Remove trigraph sequences within comments.
8821 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
8823 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
8825 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
8827 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
8829 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8831 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
8833 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8835 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
8836 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
8837 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
8838 (ASM_FILE_END): Use c4x_file_end.
8839 * config/c4x/c4x.c (c4x_global_label): New function.
8840 (c4x_external_ref, c4x_file_end): Likewise.
8842 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
8843 (c4x_external_ref, c4x_end_file): Likewise.
8845 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
8847 * cppexp.c: Don't include cpphash.h.
8848 (parse_charconst, cpp_lex): Use cpp_defined.
8849 (cpp_lex): Use get_directive_token throughout. Remove
8850 unnecessary cases from switch. Move assertion-handling code
8852 (cpp_parse_expr): If we see '+' or '-', check the context to
8853 determine if they are unary or binary operators. Streamline
8854 the jumps a bit. Do not call skip_rest_of_line.
8856 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
8857 static. Export get_directive_token. Update commentary.
8858 (cpp_defined): New function.
8859 (do_define): Remove reference to T_PCSTRING. Call
8860 free_definition to release memory for old definition, when
8862 (eval_if_expression): Set only_seen_white to 0 before calling
8863 cpp_parse_expr. Call skip_rest_of_line after it returns.
8864 (cpp_read_check_assertion): Don't preserve a pointer into the
8865 token buffer across a call to cpp_get_token.
8867 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
8868 * cppfiles.c (redundant_include_p): Use cpp_defined.
8869 * cpphash.c (free_definition): New function.
8870 (delete_macro): Use it. Update commentary.
8871 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
8873 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
8874 from enum node_type. Prototype cpp_defined and get_directive_token.
8875 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
8877 * fix-header.c (check_macro_names): Use cpp_defined.
8878 (read_scan_file): Set inhibit_warnings and inhibit_errors in
8879 the options structure.
8881 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8883 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
8885 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
8887 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
8888 rather than die->die_tag.
8890 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8892 * combine.c (make_extraction, force_to_mode): Avoid warning on
8893 mixed-signedness conditionals.
8894 (make_field_assignment, nonzero_bits): Likewise.
8895 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
8896 (store_split_bit_field, extract_split_bit_field): Likewise.
8897 (extract_fixed_bit_field, store_bit_field,
8898 * expr.c: Change alignment to be unsigned everywhere.
8899 (move_by_pieces, store_constructor_field, store_constructor):
8900 Alignment parm is unsigned.
8901 (emit_block_move, emit_group_load, emit_group_store): Likewise.
8902 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8903 (do_compare_rtx_and_jump): Likewise.
8904 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
8905 Compare align with GET_MODE_ALIGNMENT.
8906 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
8907 (get_inner_reference): Likewise.
8908 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
8909 (expand_assignment): Local vars for alignment now unsigned.
8910 (store_constructor, store_field, expand_expr, do_jump): Likewise.
8911 (do_compare_and_jump): Likewise.
8912 (store_field): Call new function expr_align.
8913 * expr.h (emit_block_move, emit_group_load, emit_group_store):
8914 Alignment arg now unsigned.
8915 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8916 (do_compare_rtx_and_jump, store_bit_field): Likewise.
8917 (extract_bit_field): Likewise.
8918 * fold-const.c (add_double): Add cast to eliminate signedness warning.
8919 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
8920 (get_best_mode): Alignment arg is unsigned.
8921 * rtl.h (move_by_pieces): Likewise.
8922 * store-layout.c (maximum_field_alignment, set_alignment):
8924 (layout_decl): Alignment arg is now unsigned.
8925 Remove unneeded casts.
8926 (layout_record, layout_union, layout_type): Remove unneeded casts.
8927 Local alignment variables now unsigned.
8928 (get_best_mode): Alignment arg now unsigned.
8929 * tree.c (expr_align): New function.
8930 * tree.h (expr_align): Likewise.
8931 (maximum_field_alignment, set_alignment): Now unsigned.
8932 (get_inner_reference): Alignment argument is now pointer to unsigned.
8933 * varasm.c (assemble_variable): Add cast to eliminate warning.
8935 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
8937 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
8938 then store directly into op0.
8940 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
8941 the CALL_INSN, and emit the note immediately after it.
8943 2000-02-10 Nick Clifton <nickc@cygnus.com>
8945 * config/arm/thumb.md (epilogue): Include a (return) in the
8946 generated insn, and emit it using emit_jump_insn not
8949 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
8951 * function.c (assign_temp): Change zero-sized arrays to size 1.
8952 * integrate.c (expand_inline_function): Do not update
8953 stack_alignment_needed
8954 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
8955 add some sanity checking, remove optimization for function with
8958 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8960 * flow.c (mark_regs_live_at_end): Delete unused variables.
8962 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
8964 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
8965 in macro FRAME_GROWS_DOWNWARD.
8967 * stmt.c (expand_end_bindings): Delete unused variable.
8969 * unroll.c (iteration_info): Mark parameter `loop' with
8972 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8974 * fixinc/server.c (load_data): Return NULL if the marker line is
8976 (run_shell): If load_data returns NULL, retry the command once, in
8979 * configure: Rebuilt.
8981 2000-02-09 Bruce Korb <bkorb@gnu.org>
8983 * gcc/fixincludes: ** DELETED **
8984 * gcc/fixcpp: ** DELETED **
8985 * gcc/fixinc-nt.sed: ** DELETED **
8986 * gcc/just-fixinc: ** DELETED **
8987 * gcc/Makefile.in: Removed out-dated commentary
8988 * gcc/configure.in: Removed fast-fixincludes disablement.
8989 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
8991 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8992 * function.c (thread_prologue_and_epilogue_insns): Uncomment
8995 2000-02-09 Richard Henderson <rth@cygnus.com>
8997 * jump.c (delete_insn): Don't delete user labels at -O0.
8999 2000-02-09 Robert Lipe <robertl@sco.com>
9001 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
9002 Don't link with HOST_LIBS.
9004 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
9006 * configure.in: Correct --help text for --with-dwarf2.
9007 Put tm-dwarf2.h after other tm files, if it's requested.
9008 * configure: Regenerate.
9009 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
9012 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
9014 * cpplib.h: Provide HASHNODE typedef and forward decl of
9015 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
9016 DEFINITION, struct hashnode, struct macrodef, struct
9017 definition, scan_decls prototype, default defn of
9018 INCLUDE_LEN_FUDGE moved elsewhere.
9020 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
9021 definition, and struct hashnode moved here. Remove the unused
9022 'predefined' field from struct definition. Replace the 'args'
9023 union with its sole member. All users updated (cpphash.c).
9024 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
9025 multiple include guard.
9027 * cpphash.c (hashf): Make static; use better algorithm; drop
9028 HASHSIZE parameter; return an unsigned int.
9029 (cpp_lookup): Drop HASH parameter. PFILE parameter is
9030 used. Calculate HASHSIZE modulus here.
9031 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
9033 (create_definition): Drop PREDEFINITION parameter.
9034 * cpplib.c (do_define): Don't calculate a hash value here.
9035 Don't pass (keyword == NULL) to create_definition.
9037 * scan.h: Prototype scan_decls here.
9038 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
9039 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
9040 callers of cpp_lookup and cpp_install updated.
9042 * cpphash.c (macarg): Hoist all the flag diddling out of the
9044 (macroexpand): ... and out of the loop that calls macarg.
9045 Skip over the initial paren before macro arguments with
9046 cpp_get_non_space_token; point may be some distance before
9047 that paren. Abort if it's not there.
9049 * cpplib.c (parse_clear_mark): Delete function.
9050 (parse_set_mark, parse_goto_mark): Make static.
9051 (ACTIVE_MARK_P): New macro.
9052 (skip_block_comment, skip_line_comment): Do not bump the line
9053 if ACTIVE_MARK_P is true.
9054 (cpp_pop_buffer): The buffer to be popped may not have an
9056 (cpp_get_token): When looking for the initial paren before
9057 macro arguments, only set a mark in a file buffer, Always
9058 return to that mark before proceeding to call macroexpand or
9059 return a NAME token.
9061 * cpplib.h: Remove prototypes of parse_set_mark,
9062 parse_clear_mark, parse_goto_mark.
9063 (struct cpp_options): Rename 'put_out_comments' to
9064 'discard_comments' and invert its sense.
9065 * cppinit.c, cpphash.c, cpplib.c: All users of
9066 put_out_comments changed to use discard_comments, with
9069 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
9071 * function.c (thread_prologue_and_epilogue_insns): Don't delete
9072 the edge from a block that both jumps and falls through to the
9075 2000-02-09 Scott Bambrough <scottb@netwinder.org>
9077 * config/arm/arm.md (movsi): In PIC mode, make sure that a
9078 constant source address is legitimate.
9080 2000-02-09 Philip Blundell <pb@futuretv.com>
9082 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
9085 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
9087 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
9089 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
9091 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
9092 ends with a newline and a NUL. Don't be so clever manipulating
9095 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
9097 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
9098 not to BIGGEST_ALIGNMENT.
9100 2000-02-08 Geoff Keating <geoffk@cygnus.com>
9102 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
9103 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
9104 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
9105 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
9106 * frame.c (execute_cfa_insn): Handle
9107 DW_CFA_GNU_negative_offset_extended.
9109 2000-02-08 Richard Henderson <rth@cygnus.com>
9111 * flow.c (tidy_fallthru_edges): Split out from ...
9112 (delete_unreachable_blocks): ... here.
9113 (find_basic_blocks): Use it.
9115 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9117 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
9119 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
9121 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
9122 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
9123 (fix-header.o): Don't depend on cpphash.h.
9125 * scan.c (hashstr): New function.
9126 * scan.h: Prototype it.
9127 * fix-header.c: Don't include cpphash.h. Use hashstr.
9128 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
9129 hashstr. Report hash table statistics. Add private
9130 definition of xrealloc.
9132 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9134 * i386.h (TARGET_SWITCHES): Fix typo in option name.
9136 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
9138 * function.c (thread_prologue_and_epilogue_insns): Don't replace
9139 jumps with returns unless they are jumps to the fallthru block.
9141 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
9143 * i386.md (addqi3_cc): Fix contraints.
9145 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
9147 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
9149 2000-02-07 Mark Mitchell <mark@codesourcery.com>
9151 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
9152 carriage return after a macro name.
9154 2000-02-07 Fred Fish <fnf@be.com>
9156 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
9157 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
9159 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
9161 * cppfiles.c (deps_output): Count spacers in deps_column.
9163 2000-02-07 Neil Booth <NeilB@earthling.net>
9165 * cppinit.c (initialize_dependency_output): If there is no
9166 suffix, don't try to look for known suffixes. Use strrchr.
9167 (cpp_start_read): Remove duplicate initialization.
9169 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
9171 * calls.c (compute_argument_block_size): New argument
9172 preferred_stack_boundary.
9173 (expand_call): update cfun->preferred_stack_boundary, update call of
9174 compute_argument_block_size
9175 (emit_library_call): Increate cfun->preferred_stack_boundary
9176 to PREFERRED_STACK_BOUNDARY
9177 (emit_library_call_value): Likewise.
9178 * explow.c (allocate_dynamic_stack_spave): Likewise.
9179 * function.c (prepare_function_start): Set
9180 cfun->preferred_stack_boundary
9181 * function.h (struct function): Add preferred_stack_boundary field.
9182 * integrate.c (expand_inline_function): Update
9183 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
9184 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
9185 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
9187 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
9189 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
9190 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
9191 cpp_pedwarn, cpp_pedwarn_with_line,
9192 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
9193 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
9194 v_cpp_error_with_line, v_cpp_warning_with_line,
9195 cpp_message_from_errno, cpp_perror_with_name): Delete.
9197 * cpperror.c (cpp_print_containing_files): Take starting
9199 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
9200 (v_cpp_message): Now called directly by all entry points.
9202 (cpp_pfatal_with_name, cpp_message): Delete.
9203 (cpp_notice_from_errno, cpp_ice): New functions.
9204 (cpp_notice): Is now for reporting error conditions, just
9205 without an associated file.
9206 (cpp_error, cpp_error_with_line): Don't do anything if
9207 opts->inhibit_errors is on.
9208 (cpp_pedwarn_with_file_and_line): Take column argument also.
9210 * cpplib.h: Update prototypes of exported functions.
9211 (struct cpp_options): Add inhibit_errors.
9213 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
9214 non-error messages. Include intl.h.
9216 * cppinit.c, cppmain.c: Likewise. Also, use
9217 cpp_notice_from_errno instead of cpp_perror_with_name or
9218 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
9220 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
9221 report internal errors.
9223 * cpplib.c (do_define): Switch bcopy to memcpy.
9224 Give cpp_pedwarn_with_file_and_line a dummy column argument.
9226 * cpplib.c (copy_rest_of_line): Revert previous change: don't
9227 bail out early if we hit a line comment.
9229 2000-02-06 Richard Henderson <rth@cygnus.com>
9231 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
9232 * basic-block.h: Declare them.
9233 * emit-rtl.h (active_insn_p): New.
9234 (next_active_insn, prev_active_insn): Use it.
9235 * rtl.h: Declare it.
9236 * function.c (emit_return_into_block): New.
9237 (thread_prologue_and_epilogue_insns): Insert return insns instead
9238 of epilogues when possible.
9239 * jump.c (jump_optimize_1): Remove code to insert a return insn
9240 on the fallthru to the exit block.
9242 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
9243 and for non-empty stack frames.
9244 * i386.md (return): Expand to return-pop as needed.
9246 2000-02-06 Richard Henderson <rth@cygnus.com>
9248 * simplify-rtx.c (simplify_relational_operation): Canonicalize
9249 constant to op1 for testing.
9251 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9253 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
9254 (fixuns_truncqfqi2): Use it.
9256 2000-02-06 Richard Henderson <rth@cygnus.com>
9258 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
9261 * i386.md (widening and peepholes): Mask the constant instead of
9264 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
9266 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
9267 input pointer before possibly branching off to the backslash
9269 * cpphash.c (macroexpand): Correctly delete \r escapes when
9270 stringifying parameters.
9271 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
9272 if we can; bail out early if we hit a line comment.
9273 (handle_directive): Treat '# 123' in an .S file just like
9274 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
9275 Return 1 for '# not_a_directive'.
9276 (get_directive_token): Pop macro buffers here, so that
9277 cpp_get_token can't sneakily move past a newline.
9279 (cpp_get_token): goto randomchar if handle_directive returns 0.
9281 * cppalloc.c: Update copyright.
9282 * cpplib.c: Merge all the static function prototypes into one
9284 * cpplib.h: Remove #if 0 block.
9286 * cpperror.c: Remove #ifdef EMACS block.
9287 * cppmain.c: Likewise.
9288 * cpphash.c: Remove #if 0 blocks.
9289 * cppinit.c: Remove #if 0 blocks, and the -lint option.
9290 * cpplib.c: Remove #if 0 blocks and code referencing
9291 pcp_inside_if or for_lint. Remove duplicate error message.
9292 Fix error messages for #else after #else or #elif. Reformat.
9293 Remove archaic TODO list.
9294 * cpplib.h: Remove pcp_inside_if and for_lint flags.
9296 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
9298 * i386/osf1elf.h: Add missing backslash to multiline string.
9300 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9302 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
9304 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9306 * Makefile.in (c-common.o): Depend on $(EXPR_H).
9308 * c-common.c: Include expr.h.
9310 * c-pragma.c (mark_align_stack): Add prototype.
9312 * caller-save.c (add_stored_regs): Likewise.
9314 * combine.c (record_promoted_value): Likewise.
9316 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
9319 * cppinit.c (new_pending_define): Likewise.
9321 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
9323 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
9324 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
9325 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
9326 class_scope_p): Likewise.
9328 * dwarf2out.h (dwarf2out_set_demangle_name_func,
9329 dwarf2out_add_library_unit_info): Likewise.
9331 * ggc.h (ggc_page_print_statistics): Likewise.
9333 * haifa-sched.c (propagate_deps): Likewise.
9335 * reg-stack.c (next_flags_user, record_label_references): Likewise.
9337 * rtl.h (set_stack_check_libfunc): Likewise.
9339 * toplev.h (set_fatal_function): Likewise.
9341 * toplev.c (set_fatal_function): Delete prototype.
9343 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
9345 2000-02-05 Geoff Keating <geoffk@cygnus.com>
9347 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
9348 (FUNC_END): Likewise.
9350 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9352 * caller-save.c: Include tm_p.h.
9354 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9356 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
9358 2000-02-04 Neil Booth <NeilB@earthling.net>
9360 * cccp.c (main): Check 'dir' for a NULL pointer before passing
9363 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
9365 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
9366 * genflags.c: Use the max_operand_1 logic from genemit.c to
9367 calculate how many arguments gen_insn prototypes have. Remove
9368 NO_MD_PROTOTYPES ifdefs from the generated file.
9369 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
9370 file. Cast gen_insn initializers to insn_gen_fn.
9371 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
9372 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
9374 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9376 * fixinc/Makefile.in (HDR): Add machname.h.
9379 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9381 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
9382 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
9383 (c4x_cpu_version): Ditto.
9384 * config/c4x/c4x-protos.h: ... here.
9386 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
9388 * dwarf2out.c (add_abstract_origin_attribute): Don't call
9389 gen_abstract_function on our context if we're a nested function.
9391 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9393 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
9394 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
9396 2000-02-04 Bruce Korb <bkorb@gnu.org>
9398 * fixinc/genfixes(machname.h):
9399 Move the functionality from gen-machine.h into this file.
9400 UNdef MN_NAME_PAT if there are no names to change.
9401 Also, be a little kinder when AutoGen is not present.
9403 * fixinc/Makefile.in(machname.h):
9404 Change the generation rule to use genfixes.
9406 * fixinc/fixfixes.c(machine_name):
9407 machine_name_fix's functionality now dependent upon whether
9408 MN_NAME_PAT is defined.
9410 * fixinc/fixtests.c(machine_name):
9413 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
9416 * fixinc/fixlib.h(mn_get_regexps):
9419 * fixinc/gen-machine.h: DELETED
9421 2000-02-04 Jan Hubicka <jh@suse.cz>
9422 Richard Henderson <rth@cygnus.com>
9424 * i386.c (SAVE_REGS_FIRST): Remove.
9425 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
9426 (ix86_compute_frame_size): Likewise.
9427 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
9428 (ix86_emit_restore_regs): Remove.
9429 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
9430 when a frame pointer is in use.
9431 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
9432 instead of pop to restore a register when profitable; emit leave
9434 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
9436 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
9437 * i386.md (prologue_allocate_stack): Remove.
9438 (epilogue_deallocate_stack): Remove.
9439 (pro_epilogue_adjust_stack): New.
9441 2000-02-04 Richard Henderson <rth@cygnus.com>
9443 * function.c (diddle_return_value): Rework to use a callback function.
9444 Use current_function_return_rtx if it's been set up.
9445 (do_clobber_return_reg, clobber_return_register): New.
9446 (do_use_return_reg, use_return_register): New.
9447 (expand_function_end): Use them.
9448 * stmt.c (expand_null_return): Likewise.
9449 * function.h: Declare them.
9450 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
9451 (mark_reg): Change arguments as appropriate for callback.
9452 * integrate.c (expand_inline_function): Revert 19 Jan change.
9454 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
9456 * tm.texi (Values in Registers): Fix typo: "fo" "for".
9457 (Misc): Say the scheduler, not the Haifa scheduler.
9459 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
9461 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
9462 when in_mem is set. Update all callers.
9464 2000-02-04 Richard Henderson <rth@cygnus.com>
9466 * i386/openbsd.h (INT_ASM_OP): Define.
9468 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
9470 * tm.texi: Fix various typos.
9472 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
9474 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
9475 (MD_STARTFILE_PREFIX_1): New macro.
9477 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
9479 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
9480 destination when needed.
9481 (strmovsi, strsetsi): New expander.
9482 (strmovsi_1, strsetsi_1): New pattern.
9483 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
9484 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
9485 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
9486 * invoke.texi (align-stringops, inline-all-stringops): Document.
9488 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
9490 * i386/netbsd.h (INT_ASM_OP): Define.
9492 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
9494 * cpplib.h (cpp_reader): Add new flag, no_directives.
9495 * cpphash.c (macarg): Set it.
9496 * cpplib.c (handle_directive): If no_directives is on and we
9497 find a directive, issue an error and discard the line.
9499 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
9501 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
9502 FP constants. Add ! TARGET_FPU check for FP constants.
9504 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
9506 * flow.c (find_basic_blocks): Don't kill label_value_list
9508 (cleanup_cfg): Kill it here.
9510 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9512 * expr.c (store_field): Ensure ALIGN is no stricter than the
9515 2000-02-02 Richard Henderson <rth@cygnus.com>
9517 * jump.c (delete_insn): Partially revert 19 Jan change;
9518 don't convert unused code labels to notes at -O0.
9520 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9522 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
9523 split_all_insns to recreate REG_LABEL notes for flow2 pass.
9525 2000-02-01 Richard Henderson <rth@cygnus.com>
9527 * i386.c (general_no_elim_operand): New.
9528 (nonmemory_no_elim_operand): New.
9529 (ix86_expand_move): Copy eliminable operands before a push.
9530 * i386-protos.h: Declare new functions.
9531 * i386.h (CAN_ELIMINATE): Simplify.
9532 (PREDICATE_CODES): Update.
9533 * i386.md (push insns): Don't allow eliminable register operands.
9535 2000-02-01 Richard Henderson <rth@cygnus.com>
9537 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
9538 replace BLKmode with DECL_RTL's mode.
9540 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
9542 * frame.c (find_fde): Convert for loop to do-while so compiler
9543 sees it's always executed at least once.
9544 * libgcc2.c (BBINBUFSIZE): Kill.
9545 (__bb_init_prg): Use fgets.
9546 (__bb_exit_trace_func): Don't paste strings.
9547 * unroll.c (unroll_loop): Initialize unroll_type, not
9548 unroll_number, and tweak logic to match.
9550 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
9552 (ix86_flags_dependant): Likewise. Disentangle control flow.
9553 (ix86_sched_reorder): Break guts out to
9554 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
9555 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
9558 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
9559 use string concatenation. Don't save and restore esi.
9561 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
9562 (machname.h): Remove script to separate file. Use two-step
9563 sequence so target is not created if script fails.
9564 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
9565 identifiers are defined.
9566 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
9567 an empty string, machine_name doesn't need to do anything at
9569 (is_cxx_header): Add more cases to regexp.
9570 * fixinc/fixlib.h: Update prototype.
9571 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
9573 * fixinc/fixincl.c: Define NO_BOGOSITY.
9575 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
9576 (hp_sysfile): Add missing comma.
9577 (math_exception): Put the wrapper ifdefs at the beginning and
9578 the end of the file.
9579 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
9581 2000-02-01 Richard Henderson <rth@cygnus.com>
9583 * sparc.c (fp_zero_operand): Turn into a normal predicate.
9584 Use CONST0_RTX. Update all callers.
9585 * sparc.h, sparc-protos.h: Update accordingly.
9586 * sparc.md (fp mov insns): Use fp_zero_operand directly
9589 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
9591 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
9594 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9596 * Makefile.in (specs.ready): New target.
9597 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
9599 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9601 * fixinc.irix: Use unique filenames for writing into /tmp,
9602 * fixinc.ptx: Likewise.
9603 * fixinc.sco: Likewise.
9604 * fixinc.svr4: Likewise.
9605 * fixinc.winnt: Likewise.
9607 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9609 * tsystem.h: New file.
9611 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
9612 s-crtS): Depend on tsystem.h.
9614 * crtstuff.c: Include tsystem.h.
9615 * frame.c: Likewise.
9616 * libgcc2.c: Likewise.
9618 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
9620 * builtins.c (expand_builtin_memset): Expand for variable sized
9623 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
9625 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
9628 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
9630 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
9632 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
9634 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
9636 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
9637 case 3->2 combining (combining with splitting) in which 2 is CC0
9638 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
9639 checked at the begining of the function with the aid of calling
9640 function 'can_combine_p'.
9642 2000-01-31 Dave Brolley <brolley@redhat.com>
9644 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
9646 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
9648 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
9651 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9653 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
9655 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
9658 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9660 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
9661 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
9662 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
9663 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
9664 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
9665 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
9666 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
9667 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
9668 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
9669 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
9671 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
9672 Add %(cpp_cpu) to CPP_SPEC.
9674 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
9675 Add %(cc1_cpu) to CC1_SPEC.
9677 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9679 * c-decl.c (c_decode_option): Accept optional numeric argument to
9680 -Wformat and set warn_format.
9681 * c-common.c: Don't emit warning about non-constant printf format
9682 string unless warn_format > 1.
9684 2000-01-30 Richard Henderson <rth@cygnus.com>
9686 * alpha.md (return_internal): Allow after reload only.
9688 2000-01-30 Richard Henderson <rth@cygnus.com>
9690 * i386.c (ix86_compute_frame_size): Omit padding1 if the
9691 local frame size is zero.
9693 2000-01-30 Richard Henderson <rth@cygnus.com>
9695 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
9696 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
9697 * alpha.md (return): Turn into an expander.
9698 (return_internal): Don't use $26.
9699 (epilogue): Emit the return insn.
9701 2000-01-30 Richard Henderson <rth@cygnus.com>
9703 * alpha.md (negtf2, abstf2): Fix word order thinko.
9705 (trunctfsf2): Avoid intermediate rounding errors.
9707 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9709 * cppfiles.c (find_position): Drop 'colp' argument, return the
9711 (read_and_prescan): Adjust to match. Don't ever manipulate
9712 line or line_base except via find_position.
9714 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9716 * c-parse.in: Apply Ulrich's changes from c-parse.y.
9717 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
9720 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9722 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
9723 just print "<command line>". If 'filename' is null or an
9724 empty string, print "<stdin>" for the filename.
9725 * cpplib.c (do_define): Don't print the 'location of the
9726 previous definition' message if we're still parsing the
9728 (cpp_pedwarn_with_file_and_line): Always call
9729 cpp_file_line_for_message.
9731 2000-01-29 Mark Mitchell <mark@codesourcery.com>
9733 * flow.c (mark_regs_live_at_end): Fix typo.
9735 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9737 * c-common.c: Adjust variable names, comments, help strings to c99.
9738 * c-lex.c: Likewise.
9739 * c-parse.y: Likewise.
9740 * c-tree.h: Likewise.
9742 * cpplib.h: Likewise.
9743 * c-decl.c: Likewise. Recognize options with names "*99" as well.
9744 * cppinit.c: Likewise.
9746 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9748 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
9749 * c4x.c: Define the optab rtx values.
9750 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
9751 (c4x_emit_libcall): Use new optab rtx values.
9752 (c4x_emit_libcall3): Likewise.
9753 (c4x_emit_libcall_mulhi): Likewise.
9754 * c4x-protos.h: Add prototypes for optab rtx values and change
9755 prototypes for above c4x_emit_libcall functions.
9757 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9759 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
9761 (c4x_function_prologue): Use regnames intead of float_reg_names when
9763 (c4x_function_epilogue): Likewise.
9764 (c4x_print_operand): Likewise.
9765 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
9766 * c4x.md (set_high): Disable for TARGET_TI.
9768 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9770 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
9771 of framepointer + constant to ADDR_REGS class.
9772 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
9773 * c4x.c (std_or_reg_operand): New function.
9774 * c4x-protos.h (std_or_reg_operand): Prototype it.
9776 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9778 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
9779 object names as libgcc2.c.
9780 * libgcc.S: Use newly defined names.
9782 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
9783 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
9785 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
9786 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
9787 (FLOW_LOOP_LAST_BLOCK): Likewise.
9789 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9791 * basic-block.h (struct loop): New fields 'first' and 'last'.
9792 * flow.c (flow_loops_find): Compute loop->first and loop->last.
9793 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
9794 and loop->last to check for NOTE_INSN_LOOP_END.
9796 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
9798 * predict.c (estimate_probability): Use the new FIRST and LAST fields
9799 of the loop descriptor rather than HEADER and LATCH. Also added
9800 missing break statements as well making some coding style modifications
9801 as suggested by Michael Hayes.
9803 2000-01-28 Richard Henderson <rth@cygnus.com>
9805 * flow.c (find_basic_blocks): Remove do_cleanup argument.
9806 Break out that code ...
9807 (cleanup_cfg): ... here.
9808 (commit_one_edge_insertion): Detect a return instruction being
9809 emitted to an edge. Emit a barrier following; clear fallthru.
9810 (commit_edge_insertions): Verify CFG consistency.
9811 * function.c (expand_function_start): Kill unused variable.
9812 (expand_function_end): Likewise.
9813 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
9814 to insert the epilogue.
9816 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
9817 (delete_null_pointer_checks): Likewise.
9818 * output.h: Likewise.
9819 * reg-stack.c (reg_to_stack): Likewise.
9820 * toplev.c (rest_of_compilation): Likewise. Run
9821 thread_prologue_and_epilogue_insns after rebuilding the CFG.
9823 2000-01-28 Richard Henderson <rth@cygnus.com>
9825 * Makefile.in (flow.o): Revert 24 Jan change.
9826 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
9827 FUNCTION_VALUE result to DECL_RESULT's mode.
9829 * haifa-sched.c (schedule_insns): Don't recompute reg info
9832 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
9834 * configure.in: Make --enable-cpplib the default.
9835 * configure: Regenerate.
9836 * gcc.dg/990119-1.c: No longer expected to fail.
9838 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
9840 * jump.c (jump_optimize_1): Delete an optimization that is also done
9841 by merge_blocks in flow.
9843 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9845 * diagnostic.c (build_message_string, output_printf,
9846 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
9847 (build_location_prefix): Fix non-literal format string.
9849 2000-01-27 Richard Henderson <rth@cygnus.com>
9851 * alpha.md (trunctfsf2): New.
9853 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
9855 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
9857 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9859 * cppinit.c (cpp_handle_option): Recognize C++ comments under
9861 * cpplib.c (skip_block_comment, skip_line_comment): Split code
9863 (skip_comment) ... here. Permit C++ comments in system
9864 headers always. Warn about C++ comments in user code under
9865 -std=gnu89 -pedantic.
9866 (copy_comment): Use skip_comment.
9867 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
9869 (consider_directive_while_skipping, do_else, do_endif): Call
9870 validate_else unconditionally.
9871 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
9872 text after the conditional in a system header.
9873 * cpplib.h (struct cpp_buffer): Add flag
9874 warned_cplusplus_comments.
9876 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9878 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
9879 Use unshare_all_rtl_1.
9880 (unshare_all_rtl_again): New function.
9881 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
9883 * function.c (purge_addressof_1): Use unshare_all_rtl_again
9884 rather than resetting the 'used' flags ourself.
9886 * toplev.c (rest_of_compilation): Add current_function_decl
9887 to the unshare_all_rtl call.
9888 * tree.h: Prototype unshare_all_rtl.
9889 * rtl.h: Prototype unshare_all_rtl_again here.
9891 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9893 * genoutput.c (output_prologue): Include ggc.h in generated
9895 * Makefile.in (insn-output.o): Depends on ggc.h.
9897 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
9898 Hans-Peter Nilsson <hp@bitrange.com>
9900 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
9901 Remove redundant include of xm-ns32k.h.
9902 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
9903 Remove redundant include of xm-ns32k.h.
9904 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
9905 Remove redundant include of xm-ns32k.h.
9906 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
9908 * ns32k/ns32k.h: Update comment on multiply-add instructions.
9909 (TARGET_SWITCHES): Add documentation strings.
9910 (DWARF_FRAME_REGNUM): Override default definition.
9911 (REG_CLASS_CONTENTS): Add comments.
9912 (SUBSET_P): Format to reduce line length.
9913 (SMALL_REGISTER_CLASSES): Make a run time option.
9914 (GO_IF_NONINDEXED_ADDRESS): Reformat.
9915 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
9916 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
9917 (regclass_map): fix typo in comment.
9918 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
9919 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
9920 (trace, reg_or_mem_operand): Delete, unused function.
9921 (calc_address_cost): Small offsets are cheaper than large ones.
9922 (expand_block_move): Generate more efficient code when bytes is a
9923 known at compile time.
9924 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
9925 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
9926 instead of reg_or_mem_operand.
9928 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
9929 not general_operand. Similarly use "=rm" or stricter, not "=g".
9930 For input operands, use stricter constraints than "g" if not
9931 general_operand. Similarly use stricter predicate than
9932 "general_operand" when stricter constraints than "g" are present,
9933 except for matching constraints.
9934 (movstrsi): Use "memory_operand" for operands 0 and 1.
9935 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
9936 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
9937 not reg_or_mem_operand.
9938 (udivmoddisi4): Ditto.
9939 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
9940 Use nonimmediate_operand for operand 3, not register_operand.
9941 (udivmoddiqi4_internal): Use register_operand for operand 1, not
9944 2000-01-27 Fred Fish <fnf@be.com>
9946 * gthr-posix.h: Fix typo; compatibily -> compatibility.
9947 * gthr-single.h: Likewise.
9948 * gthr-solaris.h: Likewise.
9949 * gthr-vxworks.h: Likewise.
9950 * gthr-win32.h: Likewise.
9953 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9955 * cppinit.c: Add " (cpplib)" to end of string printed by
9958 2000-01-27 Richard Henderson <rth@cygnus.com>
9960 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
9961 testing for a signed comparison.
9962 (alpha_emit_floatuns): New.
9963 * alpha-protos.h: Declare it.
9964 * alpha.md (floatunsdisf2, floatunsdidf2): New.
9965 (extendsfdf2): Tidy.
9967 2000-01-27 Jakub Jelinek <jakub@redhat.com>
9969 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
9970 no -g option specifying debugging format, default to -gstabs+.
9972 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9974 * calls.c (special_function_p): New argument fork_or_exec.
9975 (expand_call): When profile_arc_flag is set and the function
9976 is in the fork_or_exec group, call __bb_fork_func first.
9977 * libgcc2.c, _bb module (__bb_fork_func): New function.
9978 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
9980 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
9981 * tree.h (special_function_p): Update prototype.
9983 2000-01-26 Richard Henderson <rth@cygnus.com>
9985 * alpha.c (alpha_split_tfmode_pair): New.
9986 * alpha-protos.h: Declare it.
9987 * alpha.md (abstf2, negtf2): New.
9988 (movtf insn): Add input G constraint.
9989 (movtf splitter): Use alpha_split_tfmode_pair.
9991 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9993 * i386/cygwin.h: PROTO -> PARAMS.
9995 2000-01-26 Jakub Jelinek <jakub@redhat.com>
9997 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
9998 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
9999 using _Qp_cmp/_Q_cmp and testing the return value.
10000 (print_operand): Call reverse_condition_maybe_unordered if
10001 we are handling CCFPmode or CCFPEmode.
10002 Handle ORDERED, UN* and LTGT comparisons.
10003 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
10004 if not TARGET_HARD_QUAD.
10005 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
10006 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
10007 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
10008 Adjust gen_b* calls so that they reflect return comparison of
10009 sparc_emit_float_lib_cmp.
10011 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10013 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
10014 incoming operands array is large enough for one more operand.
10015 (alpha_emit_xfloating_arith): Likewise.
10017 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
10019 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
10020 file with one line and no trailing newline.
10021 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
10022 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
10023 checking if the match is on the line.
10024 * fixinc/gnu-regex.c: Provide regerror not __regerror.
10026 2000-01-25 Richard Henderson <rth@cygnus.com>
10028 * sparc.c (output_cbranch): Fix accidental squashing of the
10029 fp branch pre-delay nop.
10031 2000-01-25 Richard Henderson <rth@cygnus.com>
10033 * tree.def (UNNE_EXPR): Remove.
10034 * c-typeck.c (build_binary_op): Don't handle it.
10035 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
10037 * rtl.def (UNNE): Remove.
10039 * jump.c (reverse_condition): Update accordingly.
10040 (swap_condition): Likewise.
10041 (comparison_dominates_p): Handle unordered comparisons.
10042 (reverse_condition_maybe_unordered): New.
10043 * rtl.h (reverse_condition_maybe_unordered): Declare.
10045 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
10046 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
10047 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
10048 * sparc.md (bltgt): New.
10050 2000-01-25 Nick Clifton <nickc@redhat.com>
10052 * emit-rtl.c (emit_insn): Only check machine class insns for
10053 improper emission of a RETURN.
10055 2000-01-25 Richard Henderson <rth@cygnus.com>
10057 * Makefile.in (flow.o): Depend on $(EXPR_H).
10058 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
10059 duplicate the structure of diddle_return_value for keeping regs live.
10061 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10063 * loop.c (current_loop_info): Delete.
10064 (consec_sets_invariant_p): Add loop argument, update callers.
10065 (get_condition_for_loop): Likewise.
10066 (count_nonfixed_reads, update_giv_derive): Likewise.
10067 (simplify_giv_expr, general_induction_var): Likewise.
10068 (consec_sets_giv, recombine_givs): Likewise.
10069 (move_movables): Delete loop_start and loop_end arguments,
10070 add loop argument, and update callers.
10071 (find_mem_givs, check_final_value): Likewise.
10072 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
10073 (loop_invariant_p): Rename from invariant_p, add loop argument, and
10075 (basic_induction_var): Add loop argument, delete loop_level argument,
10076 and update callers.
10077 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
10078 add loop argument, and update callers.
10079 (find_splittable_regs, find_splittable_givs): Likewise.
10080 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
10081 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
10082 (biv_total_increment): Delete loop_start and loop_end arguments;
10084 (precondition_loop_p): Delete loop_start and loop_info arguments;
10086 * loop.h (get_condition_for_loop): Add loop argument.
10087 (biv_total_increment): Delete loop_start and loop_end arguments.
10088 (precondition_loop_p): Delete loop_start and loop_info arguments;
10090 (final_biv_value): Delete loop_start and loop_end arguments;
10092 (final_giv_value, back_branch_in_range_p): Likewise.
10094 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
10096 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
10098 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
10100 * Makefile.in (c-gperf.h) : Change the "See" pointer to
10101 point to the new "generated_files" doc.
10103 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
10105 * config/fp-bit.c (_unord_f2): Fix typo.
10107 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
10109 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
10110 c-typeck.c, objc/objc-act.c: Remove all references to obstack
10111 functions obsoleted by GC, such as push_obstacks_nochange,
10112 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
10113 and code which existed only to decide whether or not to call
10114 them. Remove now-unused NESTED argument from start_function;
10115 all callers changed. Do not change behavior based on ggc_p.
10116 The use of the ixp_obstack in c-iterate.c and the util_obstack
10117 in objc/objc-act.c remain; these are not obsoleted by garbage
10119 * c-tree.h: Update prototype for start_function.
10121 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
10123 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
10125 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
10128 2000-01-25 Richard Henderson <rth@cygnus.com>
10130 * sparc-protos.h (select_cc_mode): Declare.
10131 * sparc.c (select_cc_mode): New. Handle unordered compares.
10132 (output_cbranch): Always reverse via code change. Handle
10133 unordered compares. Factor tests and string updates.
10134 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
10135 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
10136 * sparc.md (bunordered, bordered): New.
10137 (bungt, bunlt, buneq, bunge, bunle): New.
10139 2000-01-25 Richard Henderson <rth@cygnus.com>
10141 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
10142 * ggc-common.c (ggc_add_rtx_varray_root): New.
10143 (ggc_mark_rtx_varray): New.
10144 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
10145 functions down below ggc_mark_foo.
10146 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
10148 2000-01-25 Richard Henderson <rth@cygnus.com>
10150 * alpha.c (secondary_reload_class): Don't allocate a secondary
10151 for integral mode memories into FLOAT_REGS. Rearrange the more
10152 complicated memory expression inward.
10154 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
10156 * inclhack.def: Fixes to play nicer with FreeBSD, and
10157 corrections to comments.
10158 (cxx_unready): Add select expression.
10159 (irix_sockaddr): Add bypass expression.
10160 (machine_ansi_h_va_list): New fix.
10161 (stdio_va_list): No need to edit _BSD_VA_LIST_.
10162 Split out addition of "#include <stdarg.h>" to...
10163 (stdio_stdarg_h): ... here.
10164 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
10165 to stdlib.h also. Do not munge _BSD_SIZE_T_.
10166 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
10168 (ultrix_ifdef): Tighten up select expression.
10170 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
10171 re_ct and max_mach to avoid use of shell. Make printed names
10172 match names in inclhack.def. Use static copyright date.
10173 Don't count c_test and test expressions as requiring regex_t
10174 slots. Add some commentary.
10175 * inclhack.tpl: Do not include the 'This script contains N
10176 fixup scripts' line if PROGRAM is defined. Use static
10179 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
10181 * dwarf2out.c: include "varray.h", not dyn-string.h.
10182 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
10183 (addr_const_to_string, addr_to_string): Lose.
10184 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
10185 (struct dw_val_struct): val_addr is now an rtx.
10186 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
10187 (used_rtx_varray): New varray.
10188 (dwarf2out_init): Initialize it.
10189 (save_rtx): New fn.
10190 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
10192 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
10193 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
10194 * Makefile.in (dwarf2out.o): Update dependencies.
10196 2000-01-24 Richard Henderson <rth@cygnus.com>
10198 * i386.c (i386_dwarf_output_addr_const): New.
10199 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
10201 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
10203 * dwarfout.c (output_mem_loc_descriptor): Likewise.
10204 * i386.c (i386_simplify_dwarf_addr): New.
10205 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
10207 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
10209 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
10210 TYPE_STUB_DECL is NULL.
10212 2000-01-24 Richard Henderson <rth@cygnus.com>
10214 * builtins.c (expand_tree_builtin): Move ...
10215 * c-common.c (expand_tree_builtin): ... here.
10217 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10219 * loop.h (LOOP_INFO): New accessor macro.
10220 * basic-block.h (struct loop): Rename field `info' to `aux'.
10221 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
10222 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
10223 * unroll.c (loop_iterations, unroll_loop): Likewise.
10225 2000-01-24 Christopher Faylor <cgf@cygnus.com>
10227 * config/i386/t-cygwin: Accomodate new winsup directory layout
10228 when searching for include files.
10230 2000-01-24 Richard Henderson <rth@cygnus.com>
10232 * rtl.def: Add unordered fp comparisions.
10233 * tree.def: Likewise.
10234 * tree.h: Add ISO C 9x unordered fp comparision builtins.
10236 * builtins.c (expand_tree_builtin): New function.
10237 * c-typeck.c (build_function_call): Use it.
10238 (build_binary_op): Support unordered compares.
10239 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
10241 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
10242 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
10243 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
10244 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
10245 * jump.c (reverse_condition): Don't abort for UNLE etc, but
10247 (swap_condition): Handle unordered compares.
10248 (thread_jumps): Check can_reverse before reversing.
10249 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
10252 * optabs.c (can_compare_p): New argument CODE. Verify branch or
10253 setcc is present before acking for cmp_optab. Update all callers.
10254 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
10255 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
10256 * expr.c (expand_expr): Likewise. Support unordered compares.
10257 (do_jump, do_store_flag): Likewise.
10258 * expr.h (enum libfunc_index): Add unordered compares.
10260 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
10261 (DPBIT_FUNCS): Add _unord_df.
10262 * config/fp-bit.c (_unord_f2): New.
10263 * fp-test.c (main): Try unordered compare builtins.
10265 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
10266 * alpha.c (alpha_comparison_operator): Check mode properly.
10267 (alpha_swapped_comparison_operator): Likewise.
10268 (signed_comparison_operator): Likewise.
10269 (alpha_fp_comparison_operator): New.
10270 (alpha_emit_conditional_branch): Handle unordered compares.
10271 * alpha.h (PREDICATE_CODES): Update.
10272 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
10273 (bunordered, bordered): New.
10275 2000-01-24 Richard Henderson <rth@cygnus.com>
10277 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
10278 * alpha.md (movtf): New expander, insn, and splitter.
10280 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
10282 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
10285 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
10287 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
10288 (FIXED_REGISTERS, CALL_USED_REGISTERS,
10289 REG_ALLOC_ORDER): Add frame pointer
10290 (FRAME_POINTER_REGNUM): Set to 20
10291 (HARD_FRAME_POINTER_REGNUM): New macro.
10292 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
10293 to HARD_FRAME_POINTER.
10294 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
10295 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
10296 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
10297 (HI_REGISTER_NAMES): Add "frame".
10298 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
10299 (debug_reg): Handle FRAME_POINTER_REGNUM.
10300 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
10301 GENERAL_REGS and INDEX_REGS.
10302 * i386.c (SAVED_REGS_FIRST): new macro.
10303 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
10304 (ix86_decompose_address, memory_address_length): Likewise.
10305 (regclass_map): Add frame pointer.
10306 (call_insn_operand): Handle frame_pointer_rtx.
10307 (reg_no_sp_operand): Likewise.
10308 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
10309 (print_operand, legitimize_pic_address): Fix formating.
10310 (ix86_compute_frame_size): Make static, update prototype, new
10311 parameters padding1, padding2, use ix86_nsaved_regs, use
10312 stack_alignment_needed.
10313 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
10314 to HARD_FRAME_POINTER_REGNUM conversions.
10315 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
10316 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
10317 (print_reg): Abort on FRAME_POINTER_REGNUM
10319 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
10321 * i386.h (PREDICATE_CODES): Add aligned_operand.
10322 * i386.c (aligned_operand): New function.
10323 (ix86_aligned_p): Kill.
10324 * i386.md (movhi_1): Emit mov for aligned operands.
10325 (promoting peep2s): Use aligned_operand.
10327 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
10329 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
10330 expression to allow underscores in macro names.
10331 (fix_char_macro_defines): Increment scanning pointer.
10333 2000-01-23 Richard Henderson <rth@cygnus.com>
10335 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
10336 * alpha/osf5.h: New file.
10337 * configure.in (alpha-*-osf5): Add it to tm_file.
10339 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
10341 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
10342 (alpha_emit_xfloating_cvt, function_arg): Declare.
10343 * alpha.c (alpha_emit_conditional_branch): Call
10344 alpha_emit_xfloating_compare for TFmode compares.
10345 (alpha_lookup_xfloating_lib_func): New.
10346 (alpha_compute_xfloating_mode_arg): New.
10347 (alpha_emit_xfloating_libcall): New.
10348 (alpha_emit_xfloating_arith): New.
10349 (alpha_emit_xfloating_compare): New.
10350 (alpha_emit_xfloating_cvt): New.
10351 (print_operand): Add default abort case.
10352 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
10353 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
10354 (BIGGEST_ALIGNMENT): Increase to 128 bits.
10355 (RETURN_IN_MEMORY): True for TF/TCmode.
10356 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
10357 (FUNCTION_ARG): Move to function_arg.
10358 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
10359 (ASM_OUTPUT_LONG_DOUBLE): New.
10360 (ASM_OUTPUT_DOUBLE): Always output bits.
10361 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
10362 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
10363 (extenddftf2, trunctfdf2): New.
10365 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10367 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
10368 * config/sparc/sol2.h: ... here.
10370 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10372 * basic-block.h (struct loops): New field `levels'.
10373 * flow.c (flow_loops_level_compute): Traverse all outer loops.
10374 (flow_loop_level_compute): Initialise level to 1.
10375 (flow_loops_find): Set loops->levels.
10376 (flow_loops_dump): Print loops->levels.
10378 2000-01-23 Richard Henderson <rth@cygnus.com>
10380 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
10381 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
10383 2000-01-23 Richard Henderson <rth@cygnus.com>
10385 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
10386 * i386.h (DBX_REGISTER_NUMBER): Use them.
10387 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
10388 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
10389 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
10390 * i386/sequent.h: Kill incorrect comment.
10392 2000-01-23 Mark Mitchell <mark@codesourcery.com>
10394 * ggc-page.c (struct page_entry): Make `context_depth' an
10396 (struct globals): Likewise.
10398 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
10400 * loop.c (check_dbra_loop): When checking a loop for
10401 reversability, check the source of any stores to ensure
10402 they don't depend on an initial value.
10404 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10406 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
10408 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
10410 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
10411 'pz_scan' into scope of entire function. Only affects
10412 compiles with -DDEBUG.
10414 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
10416 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
10417 section naming to that prior to 2000-01-07 patch.
10418 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
10419 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
10420 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
10421 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
10422 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
10424 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
10426 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
10429 2000-01-21 Jim Wilson <wilson@cygnus.com>
10431 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
10432 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
10434 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10436 * cpphash.c (change_newlines): Delete function.
10437 (struct argdata): Delete 'newlines' and 'use_count' fields.
10438 (macroexpand): Remove code referencing those fields.
10440 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10442 * loop.c (loops_info): New variable.
10443 (loop_optimize): Allocate loops->array and free it on exit.
10444 Allocate memory for loops_info and assign to each loop,
10446 (find_and_verify_loops): Do not allocate loops->array.
10448 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10450 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
10452 2000-01-21 Jakub Jelinek <jakub@redhat.com>
10454 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
10455 pseudos if expanded after first flow.
10456 (movdi_pic_label_ref): Likewise.
10458 2000-01-20 Richard Henderson <rth@cygnus.com>
10460 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
10462 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
10464 * Makefile.in (fixinc.sh): Depend on specs.
10465 * fixinc/Makefile.in: Add rule to create machname.h.
10466 (fixlib.o): Depend on machname.h.
10467 * fixinc/fixtests.c (machine_name): New test.
10468 * fixinc/fixfixes.c (machine_name): New fix.
10469 * fixinc/fixlib.c (mn_get_regexps): New helper function for
10470 the machine_name test and fix.
10471 * fixinc/fixlib.h: Prototype it.
10472 * fixinc/inclhack.def (machine_name): Use the C test and fix.
10473 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
10475 * gcc.c (do_spec_1) [case P]: Take care not to create
10476 identifiers with three leading or trailing underscores.
10478 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
10479 (fixincl): Don't specify libraries twice on link line.
10480 (gnu-regex.o): Remove special rule.
10481 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
10482 defined by config.h. Do not define _REGEX_RE_COMP.
10483 (regcomp): Allocate and initialize a fastmap.
10484 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
10486 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
10488 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
10490 2000-01-19 Richard Henderson <rth@cygnus.com>
10492 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
10493 arguments with BB. Update all callers. Tidy line wrapping.
10495 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
10497 * emit-rtl.c (try_split): Return last_insn if we split the
10500 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
10502 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
10503 (ix86_initial_elimination_offset): Declare.
10504 * i386.c (ix86_nsaved_regs): Break out from ...
10505 (ix86_can_use_return_insn_p): ... here.
10506 (ix86_emit_save_regs): Break out from ...
10507 (ix86_expand_prologue): ... here.
10508 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
10510 (ix86_expand_epilogue): ... here.
10511 (ix86_compute_frame_size): Make static, add prototype.
10512 (ix86_initial_elimination_offset): Break out from ...
10513 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
10515 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10517 * recog.h (OUT_FCN): Delete.
10519 * vax.md: Call `get_insn_template' instead of OUT_FCN.
10521 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10523 * cppalloc.c: PROTO -> PARAMS.
10524 * cpperror.c: Likewise.
10525 * cppfiles.c: Likewise.
10526 * cpplib.c: Likewise.
10527 * cpplib.h: Likewise.
10529 * config/arm/arm-protos.h: PROTO -> PARAMS.
10530 * config/arm/arm.c: Likewise.
10531 * config/c4x/c4x.c: Likewise.
10532 * config/fr30/fr30-protos.h: Likewise.
10533 * config/nextstep.c: Likewise.
10534 * config/pa/pa.c: Likewise.
10535 * config/pj/pj.c: Likewise.
10536 * config/rs6000/rs6000.c: Likewise.
10537 * config/v850/v850-protos.h: Likewise.
10538 * config/v850/v850.c: Likewise.
10540 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10542 * i370-protos.h: New file.
10544 * i370.c: Include tm_p.h. Fix compile time warnings.
10546 * i370.h: Move prototypes to i370-protos.h. Fix compile time
10549 * i370.md: Likewise.
10551 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10553 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
10554 (target_isinf, target_isnan, eisnan): Mark parameter with
10556 (eiisinf): Wrap in INFINITY.
10557 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
10558 (ibmtoe): Remove unused variable `rndsav'.
10560 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10562 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
10563 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
10565 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
10567 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
10568 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
10569 (fix_char_macro_defines, fix_char_macro_uses): New functions.
10571 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
10572 Recognize Emacs mode markers also.
10573 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
10574 C++ comments in C++ headers. Call is_cxx_header only if
10577 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
10578 bypass for ncurses.
10579 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
10580 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
10581 ... these, which use the new C fixes.
10582 (math_exception): Escape literal '+' in bypass expression.
10584 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
10587 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10589 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
10592 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10594 * loop.c (loop_optimize): Allocate loop_info structure for each loop
10595 prior to calling scan_loop.
10597 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10599 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
10600 (split_branches, calc_live_regs): Likewise.
10602 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10604 * sh.md (fpu_single, fp_mode): New attributes.
10606 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10608 * loop.c (current_loop_info): Renamed from loop_info_data
10609 and changed to a pointer.
10610 (loop_optimize): Allocate loop_info structure for each loop
10611 and initialise to zero.
10612 (scan_loop): Set current_loop_info.
10614 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
10617 2000-01-19 Richard Henderson <rth@cygnus.com>
10619 * stupid.c: Die die die.
10620 * Makefile.in (OBJS): Remove stupid.o.
10621 (stupid.o): Likewise.
10623 * except.c (emit_eh_context): Don't emit USEs for stupid.
10624 * explow.c (probe_stack_range): Likewise.
10625 * flags.h (obey_regdecls): Remove.
10626 * flow.c (find_basic_blocks): Don't run try_merge_blocks
10627 when not optimizing.
10628 (life_analysis): Limit data collection when not optimizing.
10629 (mark_regs_live_at_end): Always mark the return value registers.
10630 (mark_used_regs): Remove dummy RETURN case.
10631 (print_rtl_with_bb): Don't consult obey_regdecls.
10632 * function.c (use_variable, use_variable_after): Remove.
10633 (assign_parms): Consult optimize not obey_regdecls.
10634 (expand_function_start): Don't emit USEs for stupid.
10635 (expand_function_end): Likewise.
10636 * global.c (build_insn_chain): Export.
10637 * integrate.c (expand_inline_function): Kill return-value USE
10639 * jump.c (jump_optimize_1): Do simple jump optimizations and
10640 dead code elimination.
10641 (calculate_can_reach_end): Remove check_deleted argument.
10642 (delete_insn): Patch out insns even when not optimizing.
10643 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
10644 * rtl.h (use_variable, use_variable_after): Remove declarations.
10645 (build_insn_chain): Declare.
10646 * stmt.c (expand_value_return): Don't emit USEs for stupid.
10647 (expand_end_bindings): Likewise.
10648 (expand_decl): Likewise. Consult optimize not obey_regdecls.
10649 * toplev.c (obey_regdecls): Remove.
10650 (rest_of_compilation): Don't set it. Kill stupid in favour of
10651 flow1, local-alloc, and reload.
10652 (main): Don't set obey_regdecls.
10654 * config/nextstep.c (handle_pragma): Likewise.
10656 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
10658 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
10660 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10662 * alpha-protos.h: PROTO -> PARAMS.
10663 * alpha.c: Likewise.
10665 * h8300.c: Likewise.
10666 * i386-protos.h: Likewise.
10667 * i386.c: Likewise.
10668 * m32r-protos.h: Likewise.
10669 * m32r.c: Likewise.
10670 * mips.c: Likewise.
10671 * mips.md: Likewise.
10672 * gmon-sol2.c: Likewise.
10673 * sparc.c: Likewise.
10675 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10677 * ns32k-protos.h: New file.
10679 * ns32k.c: Fix compile time warnings.
10681 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
10684 * ns32k.md: Likewise.
10686 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10688 * vax-protos.h: New file.
10690 * vax.c: Fix compile time warnings.
10692 * vax.h: Move prototypes to vax-protos.h. Fix compile time
10695 * vax.md: Likewise.
10697 * vaxv.md: Likewise.
10699 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10701 * romp-protos.h: New file.
10703 * romp.c: Fix compile time warnings.
10705 * romp.h: Move prototypes to romp-protos.h. Fix compile time
10708 * romp.md: Likewise.
10710 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10712 * we32k-protos.h: New file.
10714 * we32k.c: Fix compile time warnings.
10716 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
10719 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10721 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
10723 * except.c (eh_regs): Likewise.
10725 * final.c (output_operand): Likewise.
10727 * fold-const.c (target_isinf, target_isnan): Likewise.
10729 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10731 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
10732 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
10734 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
10735 when optimize_size.
10736 (clrstrsi): Rewrite.
10737 (strsethi, strsetqi): New expanders.
10738 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
10739 (cmpstrsi): Emit compare insn before cmpstrsi_1
10740 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
10741 (strlensi_1): Likewise.
10742 (cmpstrsi_1): Likewise; do not output compare.
10743 (strlen expander): Do not unroll when optimizing for size.
10744 (*subsi3_carry): Rename to subsi3_carry
10745 (addqi3_cc): New pattern.
10746 * i386.h (processor_costs): Add move_ratio field.
10747 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
10748 * i386.c (*_cost): Set move_ratio.
10749 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
10750 (x86_expand_strlensi_1): Rewrite the main loop.
10752 2000-01-17 Richard Henderson <rth@cygnus.com>
10754 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
10755 * cse.c (find_comparison_args, fold_rtx): Likewise.
10756 * integrate.c (subst_constants): Likewise.
10757 * loop.c (get_condition): Likewise.
10759 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
10761 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
10763 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10765 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
10766 (RESTORE_WARN_FLAGS): Unpack it.
10767 Change semantic type of extension to ttype.
10768 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
10769 * c-parse.y, c-parse.c, objc/objc-parse.y,
10770 objc/objc-parse.c: Regenerate.
10772 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
10774 * fixinc/fixlib.c: Add copyright notice.
10775 (compile_re): New function.
10776 * fixinc/fixlib.h: Prototype compile_re.
10778 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
10779 Use compile_re to compile regular expressions.
10781 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
10782 where the pattern matched.
10784 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
10786 (ultrix_ansi_compat): Likewise.
10787 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
10789 (interactv_add2, interactv_add3): Delete.
10790 (x11_sprintf): Don't use filename glob.
10791 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
10794 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10796 * print-rtl.c: PROTO -> PARAMS.
10797 * real.c: Likewise.
10798 * reg-stack.c: Likewise.
10799 * resource.c: Likewise.
10800 * sdbout.h: Likewise.
10801 * simplify-rtx.c: Likewise.
10802 * stor-layout.c: Likewise.
10803 * stupid.c: Likewise.
10804 * xcoffout.c: Likewise.
10805 * xcoffout.h: Likewise.
10807 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10809 * toplev.c: PROTO -> PARAMS.
10810 * toplev.h: Likewise.
10811 * tree.c: Likewise.
10812 * tree.h: Likewise.
10813 * unroll.c: Likewise.
10814 * varasm.c: Likewise.
10815 * varray.c: Likewise.
10816 * varray.h: Likewise.
10818 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10820 * reload.c: PROTO -> PARAMS.
10821 * reload.h: Likewise.
10822 * reload1.c: Likewise.
10823 * reorg.c: Likewise.
10824 * resource.h: Likewise.
10827 * rtlanal.c: Likewise.
10828 * sbitmap.h: Likewise.
10829 * sdbout.c: Likewise.
10830 * stack.h: Likewise.
10831 * stmt.c: Likewise.
10832 * system.h: Likewise.
10834 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10836 * machmode.h: PROTO -> PARAMS.
10837 * mbchar.h: Likewise.
10838 * mips-tdump.c: Likewise.
10839 * mips-tfile.c: Likewise.
10840 * optabs.c: Likewise.
10841 * output.h: Likewise.
10842 * prefix.c: Likewise.
10843 * profile.c: Likewise.
10844 * protoize.c: Likewise.
10845 * real.h: Likewise.
10846 * recog.c: Likewise.
10847 * recog.h: Likewise.
10848 * regclass.c: Likewise.
10849 * regmove.c: Likewise.
10850 * regs.h: Likewise.
10852 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10854 * ggc-common.c: PROTO -> PARAMS.
10855 * ggc-page.c: Likewise.
10856 * ggc-simple.c: Likewise.
10858 * global.c: Likewise.
10859 * graph.c: Likewise.
10860 * gthr-win32.h: Likewise.
10861 * haifa-sched.c: Likewise.
10862 * halfpic.h: Likewise.
10863 * integrate.c: Likewise.
10864 * integrate.h: Likewise.
10865 * jump.c: Likewise.
10867 * local-alloc.c: Likewise.
10868 * loop.c: Likewise.
10869 * loop.h: Likewise.
10871 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10873 * genattr.c: PROTO -> PARAMS.
10874 * genattrtab.c: Likewise.
10875 * gencheck.c: Likewise.
10876 * gencodes.c: Likewise.
10877 * genconfig.c: Likewise.
10878 * genemit.c: Likewise.
10879 * genextract.c: Likewise.
10880 * genflags.c: Likewise.
10881 * gengenrtl.c: Likewise.
10882 * genopinit.c: Likewise.
10883 * genoutput.c: Likewise.
10884 * genpeep.c: Likewise.
10885 * genrecog.c: Likewise.
10887 2000-01-16 Mark Mitchell <mark@codesourcery.com>
10889 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
10891 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10893 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
10894 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
10895 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
10896 * configure, config.in: Rebuilt.
10898 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
10900 * config/i386/i386.md: Add peephole to merge successive stack
10903 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
10905 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
10906 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
10907 when walking backwards to find all the parameter loads when
10908 the basic block ends in a call.
10910 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10912 * loop.c (this_loop_info): Delete.
10913 (uid_loop): Add in place of uid_loop_num. All uses updated.
10914 (loop_number_exit_count): Delete and replace with entry in loop
10915 structure. All uses updated.
10916 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10917 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10918 (loop_outer_loop): Likewise.
10919 (loop_invalid, loop_number_exit_labels): Likewise.
10920 (loop_used_count_register): Delete and replace with entry in
10921 loop_info structure.
10922 (find_and_verify_loops): Add loops argument.
10923 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
10924 loop_end, etc. arguments with loop structure pointer. All callers
10926 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
10927 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
10928 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
10929 (insert_bct): Likewise.
10930 (basic_induction_var): New argument level.
10931 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
10932 vtop, and cont. Add used_count_register.
10933 (uid_loop): Delete declaration.
10934 (loop_number_exit_count): Likewise.
10935 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10936 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10937 (loop_outer_loop, loop_used_count_register): Likewise.
10938 (loop_invalid, loop_number_exit_labels): Likewise.
10939 (unroll_loop): Replace loop_start and loop_end arguments
10940 with loop structure pointer.
10941 (loop_precondition_p, loop_iterations): Likewise.
10942 Include basic-block.h.
10943 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
10944 with loop structure pointer.
10945 (loop_precondition_p, loop_iterations): Likewise.
10946 * basic-block.h (struct loop): New entries vtop, cont,
10947 cont_dominator, start, end, top, scan_start, exit_labels,
10949 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
10951 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10953 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
10955 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
10957 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
10959 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10961 * pdp11-protos.h: New file.
10963 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
10966 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
10969 * pdp11.md: Likewise.
10971 * 2bsd.h: Likewise.
10973 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10975 * mn10300-protos.h: New file.
10977 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
10980 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
10983 * mn10300.md: Likewise.
10985 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10987 * mn10200-protos.h: New file.
10989 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
10992 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
10995 * mn10200.md: Likewise.
10997 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10999 * h8300-protos.h: New file.
11001 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
11004 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
11007 * h8300.md: Likewise.
11009 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11011 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
11012 (asm_emit_uninitialised): Likewise.
11014 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
11016 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
11017 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
11019 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11021 * config/mips/mips.c (override_options): Don't turn on extra
11022 alignment for mips16.
11024 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11026 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
11027 eabi, and make sure queued POSTINCREMENT rtl is emitted at
11030 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11032 * builtins.c (PAD_VARARGS_DOWN): Define.
11033 (std_expand_builtin_va_arg): Use the above macro.
11034 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
11035 * tm.texi (Register Arguments): Document the above macro.
11037 2000-01-14 Nick Clifton <nickc@cygnus.com>
11039 * emit-rtl.c (emit_insn): If checking is enabled, make sure
11040 that this function has not been used to emit a jump
11043 * jump.c (return_jump_1): Cope with being passed a null rtx.
11045 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11047 * eh-common.h: PROTO -> PARAMS.
11048 * emit-rtl.c: Likewise.
11049 * errors.c: Likewise.
11050 * errors.h: Likewise.
11051 * except.c: Likewise.
11052 * except.h: Likewise.
11053 * explow.c: Likewise.
11054 * expmed.c: Likewise.
11055 * expr.c: Likewise.
11056 * expr.h: Likewise.
11057 * final.c: Likewise.
11058 * fix-header.c: Likewise.
11059 * flow.c: Likewise.
11060 * fold-const.c: Likewise.
11061 * function.c: Likewise.
11062 * function.h: Likewise.
11064 * gcov-io.h: Likewise.
11065 * gcov.c: Likewise.
11066 * gcse.c: Likewise.
11068 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11070 * sh-protos.h: New file.
11072 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
11073 Add static prototypes. Fix compile time warnings.
11075 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
11079 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11081 * arc-protos.h: New file.
11083 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
11086 * arc.h: Move prototypes to arc-protos.h. Fix compile time
11089 * arc.md: Likewise.
11091 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11093 * dsp16xx-protos.h: New file.
11095 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
11098 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
11101 * dsp16xx.md: Likewise.
11103 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11105 * convex-protos.h: New file.
11107 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
11110 * convex.h: Move prototypes to convex-protos.h. Fix compile time
11113 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11115 * elxsi-protos.h: New file.
11117 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
11120 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
11123 * elxsi.md: Likewise.
11125 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11127 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
11128 case for moving from HI/LO/HI_LO_REG. This makes the behavior
11129 match the comment for MIPS16.
11131 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
11133 * flow.c (split_edge): Do not call set_block_for_insn if we
11134 do not have a basic_block_for_insn structure.
11136 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
11137 and destination functions are 32bit aligned within the trampoline.
11138 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
11139 (TRAMPOLINE_ALIGNMENT): Define.
11141 * cse.c (cse_insn): When changing (set (pc) (reg)) to
11142 (set (pc) (label_ref)), verify the change creates a valid insn.
11144 * fr30.c (call_operand): Tighten and rework to match rules for
11145 call RTL expressions.
11146 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
11147 * fr30.md (call patterns): Improve constraints.
11149 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
11151 * fr30.c (fr30_expand_epilogue): Revert last change.
11152 Use emit_jump_insn for the return insn.
11154 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
11155 Stan Cox <scox@cygnus.com>
11157 * predict.c: New file. Preliminary infrastructure work for static
11158 branch prediction and basic block reordering.
11159 * basic-block.h: Add prototype for estimate_probability.
11160 * Makefile.in: Add rules for predict.o.
11162 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
11164 * fixincludes (va_list): Use __not_va_list__ for the dummy.
11165 * fixinc/*: Likewise.
11167 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11169 * cccp.c: PROTO -> PARAMS.
11170 * cexp.y: Likewise.
11171 * collect2.c: Likewise.
11172 * combine.c: Likewise.
11173 * convert.h: Likewise.
11175 * dbxout.c: Likewise.
11176 * dbxout.h: Likewise.
11177 * diagnostic.c: Likewise.
11178 * doprint.c: Likewise.
11179 * dwarf2out.c: Likewise.
11180 * dwarf2out.h: Likewise.
11181 * dwarfout.c: Likewise.
11182 * dwarfout.h: Likewise.
11183 * dyn-string.h: Likewise.
11185 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11187 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
11188 macro conditionals guarding use.
11190 * dwarf2out.c: Include "tm_p.h".
11192 * function.c (locate_and_pad_parm): Mark parameter with
11194 (expand_function_end): Likewise for variable `context'.
11196 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
11198 2000-01-13 Nick Clifton <nickc@cygnus.com>
11200 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
11201 register to prevent compile time warnings.
11203 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
11205 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
11206 to avoid -Wtraditional warning.
11208 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11210 * 1750a-protos.h: New file.
11212 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
11215 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
11218 * 1750a.md: Likewise.
11220 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11222 * a29k-protos.h: New file.
11224 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
11227 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
11230 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11232 * clipper-protos.h: New file.
11234 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
11237 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
11240 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11242 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
11244 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
11246 * configure.in (--enable-new-gxx-abi): New option.
11247 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
11248 * Makefile.in (GXX_ABI_FLAG): New variable.
11249 * configure: Regenerate.
11251 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11253 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
11254 * tm.texi (FORCE_STRUCT_BLK): Document.
11255 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
11257 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
11259 * config/ns32k/ns32k.md: Revert Jan 9 change.
11261 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
11262 to a mode-test, if the predicate is address_operand.
11264 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
11266 * combine.c (if_then_else_cond): Be careful about what kinds
11267 of RTL expressions are passed to operand_subword.
11269 * flow.c (split_edge): If we have to insert a new jump, make
11270 sure to associate it with a basic block.
11272 * flow.c (commit_one_edge_insertion): A block with one successor
11273 can end in a JUMP_INSN that is not a simplejump.
11275 2000-01-12 Robert Lipe <robertl@sco.com>
11277 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
11278 (BUILD_VA_LIST_TYPE): Define.
11279 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
11282 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
11284 * cccp.c (do_pragma): Add cast to (char *).
11286 2000-01-12 Richard Henderson <rth@cygnus.com>
11287 Fred Fish <fnf@be.com>
11288 Jason Merrill <jason@cygnus.com>
11290 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
11291 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
11292 * i386/beos-elf.h, i386/beos-pe.h: New files.
11294 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
11295 * cross-make (SYSTEM_HEADER_DIR): Define using
11296 CROSS_SYSTEM_HEADER_DIR.
11298 * gcc.c (LIBRARY_PATH_ENV): Provide default.
11299 (process_command): Use it.
11300 (main): Likewise. Kill trailing = from env vars.
11301 (build_search_list): Put it back.
11302 * collect2.c (main): Use LIBRARY_PATH_ENV.
11304 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
11305 * toplev.c: Use NEED_DECLARATION_ENVIRON.
11307 * tm.texi (Frame Layout): Document SMALL_STACK.
11308 * c-common.c (c_common_nodes_and_builtins): Check it.
11310 * system.h: Undef alloca after including glibc's <stdlib.h>,
11311 if USE_C_ALLOCA is defined.
11313 * gcc.c (set_input): New fn.
11314 (main): After all input files are compiled, reset the input file
11317 * aclocal.m4 (rindex, index): If already defined, don't attempt
11320 * ginclude/varargs.h: (__va_list__): Define ifndef.
11321 * ginclude/stdarg.h: Likewise.
11323 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
11324 instead of unsigned char.
11326 * hash.h (true, false, boolean): Undef before enum.
11328 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
11329 proper type of "HOST_WIDE_INT *", rather than their natural type of
11330 "unsigned HOST_WIDE_INT *".
11332 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11334 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
11336 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
11338 * regclass.c (choose_hard_reg_mode): Likewise.
11340 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
11342 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
11344 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11346 * c-common.c: PROTO -> PARAMS.
11347 * c-common.h: Likewise.
11348 * c-decl.c: Likewise.
11349 * c-iterate.c: Likewise.
11350 * c-lang.c: Likewise.
11351 * c-lex.c: Likewise.
11352 * c-lex.h: Likewise.
11353 * c-parse.in: Likewise.
11354 * c-pragma.c: Likewise.
11355 * c-pragma.h: Likewise.
11356 * c-tree.h: Likewise.
11357 * c-typeck.c: Likewise.
11358 * objc/objc-act.c: Likewise.
11359 * objc/objc-act.h: Likewise.
11361 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11363 * m88k-protos.h: New file.
11365 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
11368 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
11370 * m88k.md: Likewise.
11372 * tekXD88.h: Likewise.
11374 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11376 * m68k-protos.h: New file.
11378 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
11381 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
11383 * mot3300.h: Likewise.
11385 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
11387 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
11389 (extract_bitlist): Declare bitlen.
11391 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
11393 * cccp.c: Accept and ignore -lang-fortran.
11395 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
11396 qualifiers don't match at any level of pointerness.
11398 2000-01-12 Robert Lipe <robertl@sco.com>
11400 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
11402 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
11404 * reload1.c (reload_reg_unavailable): New static variable.
11405 (reload_reg_free_p): Test it.
11406 (reload_reg_free_for_value_p): Test it instead of
11408 (choose_reload_regs_init): Compute it.
11410 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
11412 * reorg.c (fill_slots_from_thread): Check modified_in_p
11415 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
11417 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
11418 these nodes even if INTERNALS is not set.
11420 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
11422 * gcse.c (delete_null_pointer_checks_1): Cope when
11423 get_condition cannot determine the condition.
11425 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
11427 * toplev.h (set_message_length): Declare.
11429 * diagnostic.c (obstack_chunk_alloc): Define macro.
11430 (obstack_chunk_free): Likewise.
11431 (struct output_buffer): New data structure.
11432 (vmessage): Remove.
11433 (output_maximum_width): New variable.
11434 (doing_line_wrapping, set_message_length, init_output_buffer,
11435 get_output_prefix, output_space_left, emit_output_prefix,
11436 output_newline, output_append, output_puts, dump_output,
11437 vbuild_message_string, build_message_string, build_location_prefix,
11438 voutput_notice, output_printf, line_wrapper_printf,
11439 vline_wrapper_message_with_location): New functions. Implement
11440 automatic line wrapping.
11441 (v_message_with_decl): Make it handle automatic line wrapping.
11442 (v_error_with_file_and_line): Likewise.
11443 (v_warning_with_file_and_line): Likewise.
11444 (announce_function): Likewise.
11445 (default_print_error_function): Likewise.
11447 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
11449 * cpplib.h (struct cpp_options): Change lang_asm to char.
11451 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
11452 done in cpp_handle_option now.
11453 (initialize_builtins): Take out special case code used only by
11455 (cpp_handle_option): Turn off trigraphs and trigraph warnings
11456 if -traditional. Recognize -lang-fortran and set
11457 lang_fortran, also turn off cplusplus_comments.
11458 (print_help): Document -lang-fortran.
11459 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
11460 lang_asm. Ignore all directives other than `# 123 "file"' if
11462 (cpp_get_token): If -traditional, don't recognize directives
11463 unless the # is in column 1.
11464 (parse_string): If lang_fortran or lang_asm, silently
11465 terminate strings ('' or "") at end of line.
11466 Remove unnecessary braces.
11468 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11469 Richard Henderson <rth@cygnus.com>
11471 * resource.c (mark_referenced_resources): Mark a set strict_low_part
11473 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
11474 strict_low_part when possible.
11476 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11478 * alias.c: PROTO -> PARAMS.
11479 * basic-block.h: Likewise.
11480 * bitmap.c: Likewise.
11481 * bitmap.h: Likewise.
11482 * builtins.c: Likewise.
11483 * c-aux-info.c: Likewise.
11484 * caller-save.c: Likewise.
11485 * calls.c: Likewise.
11487 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11489 * Makefile.in (toplev.o): Depend on regs.h.
11491 * output.h (tdesc_section): Prototype.
11493 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
11495 * sdbout.c: Include "tm_p.h".
11497 * toplev.c: Include "regs.h".
11499 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
11501 * unroll.c (unroll_loop): Add EH support.
11503 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11505 * pa-protos.h: New file.
11507 * pa.c: Include recog.h and tm_p.h.
11508 (compute_zdepwi_operands, compute_movstrsi_length,
11509 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
11510 find_addr_reg, import_milli): Add static prototypes.
11511 (pa_cpu_string, pa_arch_string): Constify a char*.
11512 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
11513 (read_only_operand): Add argument `mode'.
11514 (singlemove_string, output_move_double, output_fp_move_double,
11515 output_block_move, output_and, output_ior, output_ascii,
11516 remove_useless_addtr_insns, milli_names, output_mul_insn,
11517 output_div_insn, output_mod_insn, output_arg_descriptor,
11518 output_cbranch, output_bb, output_bvb, output_dbra, ,
11519 output_millicode_call, output_call, hppa_encode_label,
11520 output_parallel_movb, output_parallel_addb): Constify a char*.
11521 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
11522 (output_parallel_addb): Remove extra arg to `constrain_operands'
11524 * pa.h: Move all prototypes to pa-protos.h.
11525 (pa_cpu_string, pa_arch_string): Constify a char*.
11526 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
11528 * pa.md: Call `function_label_operand' with mode argument.
11529 Likewise for `read_only_operand'.
11530 Fix nesting of parens in call to `symbolic_operand'.
11532 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11534 * i860-protos.h: New file.
11536 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
11539 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
11541 * i860.md: Likewise.
11543 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
11545 * i386.md (movstrsi expander): Rewrite.
11546 (movstrsi_1 insn): Deleted.
11547 (strmovhi, strmovqi expander): New expanders.
11548 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
11549 * i386.c (x86_single_stringop): New global variable.
11550 * i386.h (x86_single_stringop): Declare.
11551 (TARGET_SINGLE_STRINGOP): New macro.
11553 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11555 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
11556 integer vararg POSTINCREMENT before the destination of the jump
11557 for the hard fp case.
11558 (function_arg_pass_by_reference): Pass a copy of CUM to
11561 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
11562 for CONSTANT_ADDRESS_P above while loop for subreg.
11564 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11566 * flow.c (propagate_block): When a prologue/epilogue insn
11567 is marked dead, unconditionally clear libcall_is_dead and
11568 insn_is_dead, and only dump rtl if warnings aren't being
11571 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
11573 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
11574 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
11575 (FIXED_REGISTERS): Set dirflag as fixed.
11576 (CALL_USED_REGISTERS): Set dirflag as used.
11577 (REG_ALLOC_ORDER): Set dirflag as last one.
11578 (DIRFLAG_REG): New macro.
11579 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
11580 (HI_REGISTER_NAMES): Add dirflag.
11581 (DEBUF_PRINT_REG): Handle dirflag.
11582 * i386.md (type attribute): New cld and str types.
11583 (length_opcode attribute): Set cld and str to 1.
11584 (memory attribute): Set str to unknown - it is not clear from the
11586 (pent_np function unit): Prefixed string operations takes 12 cycles
11587 minimally; cld takes 2 cycles.
11588 (ppro_uops attribute): Str is "many" and cld is "few".
11589 (ppro_p0 unit): Handle cld here.
11590 (k6_alux unit): Handle cld and str types.
11591 (k6_load unit): It is ocupied by str opcodes.
11592 (k6_store unit): It is ocupied by str opcodes.
11593 (athlon_decode): Str is vector decoded.
11594 (athlon_ieu): Handle str and cld.
11595 (cld pattern): New.
11596 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
11597 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
11598 cmpstrsi_nz_1 insn): Do not output cld instruction
11600 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
11602 * gcc.texi (G++ and GCC): Add Java and Chill.
11603 (Bug Critera): Don't list languages.
11605 * gcc.texi (Incompatibilities): No longer claim most C compilers
11608 * gcc.texi (G++ and GCC): Update other front-ends list.
11610 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
11612 * i386.c (ix86_expand_setcc): Fix typo.
11613 (ix86_expand_movcc): Similarly.
11615 * Band-aid until haifa's bitset implementation is nuked.
11616 * haifa-sched.c (extract_bitlst): New parameter for size of the
11617 bitset in bits. All callers changed. Avoid looking at undefined
11618 bits in the bitset.
11619 (edgeset_bitsize): New variable.
11620 (schedule_region): Initialize edgeset_bitsize.
11622 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11624 * Makefile.in (optabs.o): Depend on real.h
11625 (resource.o): Depend on insn-attr.h
11627 * builtins.c (result_vector): Wrap prototype in macro conditions
11628 governing definition and use.
11630 * c-common.c: Include tm_p.h.
11632 * c-lex.c: Likewise.
11634 * elfos.h: Constify a char*.
11636 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
11637 (get_attr_length, shorten_branches, profile_after_prologue): Mark
11638 parameter with ATTRIBUTE_UNUSED.
11640 * fold-const.c (exact_real_inverse): Wrap variable `i' in
11643 * haifa-sched.c (schedule_insns): Mark parameter with
11646 * optabs.c: Include real.h.
11648 * real.h (ereal_atof): Add prototype arguments.
11650 * resource.c: Include insn-attr.h.
11652 * sdbout.c (sdbout_queue_anonymous_type,
11653 sdbout_dequeue_anonymous_types): Wrap in macro
11654 SDB_ALLOW_FORWARD_REFERENCES.
11655 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
11658 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
11660 * stupid.c: Include tm_p.h.
11662 * tree.c (real_value_from_int_cst): Mark parameter with
11665 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11667 * i960-protos.h: New file.
11669 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
11672 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
11674 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11676 * combine.c (expand_field_assignment): Do not discard SUBREGs
11677 while computing nonzero_bits.
11679 2000-01-09 Nick Clifton <nickc@cygnus.com>
11681 * config/arm/arm.c: Fix compile time warnings about signed vs
11682 unsigned constants.
11683 * config/arm/arm.h: Fix compile time warnings about signed vs
11684 unsigned constants.
11686 2000-01-09 Philip Blundell <philb@gnu.org>
11688 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
11689 than `ldm' with only one register.
11690 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
11693 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
11696 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
11698 * config/ns32k/ns32k.md (load or push effective address): Operand 1
11701 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11703 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
11704 assignment used as truth value.
11706 * function.c (assign_temp): Mark parameter `dont_promote' with
11707 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
11708 PROMOTE_FOR_CALL_ONLY.
11710 * genrecog.c (write_subroutine): Mark variable `operands' with
11713 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
11716 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
11717 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
11719 * toplev.c (note_deferral_of_defined_inline_function): Likewise
11722 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11724 * config/c4x.h: Tidy up comments.
11725 * config/c4x.c: Likewise.
11727 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
11729 * fold-const.c (lshift_double, rshift_double): Handle
11730 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
11732 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11734 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
11735 in prepare_function_start().
11737 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
11739 * config/v850/v850.c (expand_epilogue): Interrupt functions no
11740 longer allocate extra stack for function calls.
11742 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11744 * config/c4x/c4x.md (*subqf3_set): Fix typo.
11746 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11748 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
11750 2000-01-07 David Edelsohn <edelsohn@gnu.org>
11752 * rs6000.c (processor_target_table): Add power3 as alias for 630.
11753 * aix43.h: Revert Aug 2 change.
11754 (HAS_INIT_SECTION): Define, not visible yet.
11755 (LD_INIT_SWITCH): Define, not visible yet.
11756 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
11758 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
11760 * collect2.c (main): Expand ld2 size further.
11761 (export_object_lst): Cast assignment to avoid warning.
11762 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
11763 (scan_prog_file, COFF): Do not collect initialization or
11764 finalization functions generated for entire shared object if
11765 init/fini support present.
11767 2000-01-07 Nick Clifton <nickc@cygnus.com>
11769 * config/elfos.h: Tidy up formatting of marcos. Make sure
11770 that .section directives are always prefixed by a tab.
11772 * config/svr4.h: Add #include "elfos.h" and remove duplicate
11775 2000-01-07 Matt Austern <austern@sgi.com>
11777 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
11780 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
11782 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
11784 (crtbegin.o, s-crtS): Likewise.
11786 2000-01-06 Richard Henderson <rth@cygnus.com>
11788 * alpha.md (adddi_2+1): Limit offset such that it will be
11789 loadable with a single ldah+lda pair.
11790 (adddi_2+2): Explicitly fail split if we can't make it work.
11792 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
11794 * protoize.c: Conditionally include unistd.h.
11795 (IS_SAME_PATH_CHAR): New macro.
11796 (IS_SAME_PATH): New macro.
11797 (CPLUS_FILE_SUFFIX): New macro.
11798 (cplus_suffix): New static variable.
11799 (is_abspath): New static function.
11800 (in_system_include_dir): Handle DOS style pathnames.
11801 (file_could_be_converted): Likewise.
11802 (file_normally_convertible): Likewise.
11803 (directory_specified_p): Likewise.
11804 (file_excluded_p): Likewise.
11805 (abspath): Likewise.
11806 (shortpath): Likewise.
11807 (referenced_file_is_newer): Likewise.
11808 (save_def_or_dec): Likewise.
11809 (do_processing): Likewise.
11811 (edit_file): Likewise. Use rename instead of link.
11812 (rename_c_file): Likewise. Don't rename syscalls file.
11813 (munge_compile_params): Define null device for DOS based systems.
11814 (process_aux_info_file): Use binary mode if appliable.
11815 (edit_file): Likewise.
11816 * invoke.texi (Running Protoize): Document C++ suffixes used.
11818 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
11819 IS_DIR_SEPARATOR macros.
11820 * collect2.c: Likewise.
11821 * cppinit.c: Likewise.
11822 * dwarf2out.c: Likewise.
11824 * gcov.c: Likewise.
11825 * prefix.c: Likewise.
11827 * toplev.c: Likewise.
11828 * system.h: And move to here.
11830 * prefix.c (update_path): Fix typo in variable name.
11832 2000-01-06 Richard Henderson <rth@cygnus.com>
11834 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
11835 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
11836 (count_reg_sets_1, count_reg_references): Likewise.
11837 (flow_loops_level_compute): Start counting actual loop depth at 1.
11838 (flow_loops_find): Likewise.
11839 * local-alloc.c (update_equiv_regs): Likewise.
11840 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
11842 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11844 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
11845 FIRST_PSEUDO_REGISTER
11846 * dwarf2out.c: Don't include frame.h
11847 * dwarfout.c: Likewise
11848 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
11851 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
11853 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
11856 * i386.c (movsf splitter): Fix typo in my last checkin.
11858 2000-01-05 Nick Clifton <nickc@cygnus.com>
11860 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
11861 own definition of this macro.
11862 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
11863 flag_data_sections or UNIQUE_SECTION_P are true.
11865 * tm.texi (UNIQUE_SECTION): Document that it can be called for
11866 unitialised data decls.
11868 * config/i386/winnt.c (i386_pe_unique_section): Cope with
11869 being called for uninitialised data.
11871 * config/i386/interix.c (i386_pe_unique_section): Cope with
11872 being called for uninitialised data.
11874 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
11875 for uninitialised data.
11877 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
11878 for uninitialised data.
11880 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
11881 for uninitialised data.
11883 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
11884 (UNIQUE_SECTION_P): Always generate a unique section if
11885 flag_data_sections is true.
11886 (UNIQUE_SECTION): Also generate unique sections for
11887 uninitialised data.
11888 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
11889 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
11892 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11894 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
11897 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11899 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
11900 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
11901 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
11902 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
11903 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
11905 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
11907 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
11909 * c-decl.c (finish_enum): Simplify code to determine minimum and
11910 maximum values of the enum, and calculate the type. Remove check
11911 for FUNCTION_DECLs in the values list, which cannot happen. Replace
11912 the DECL_INITIAL of each enumeration constant with a copy converted
11913 to the enumeration type. When updating variant types, don't bother
11914 updating the type itself.
11916 * c-typeck.c (build_binary_op): Simplify conditional expressions
11917 when weeding out spurious signed-unsigned warnings. Add new
11918 spurious warning category: if the unsigned quantity is an enum
11919 and its maximum value fits in signed_type(result_type). Update
11921 (build_conditional_expr): Warn here if one alternative is signed
11922 and the other is unsigned.
11924 2000-01-05 Nick Clifton <nickc@cygnus.com>
11926 * config/fr30/fr30.h: Remove extraneous comments.
11928 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
11930 * reload1.c (choose_reload_regs): When disabling a reload, also
11931 set reload_spill_index to -1.
11933 2000-01-04 Joel Sherrill (joel@OARcorp.com>
11935 * configure.in (m68*-*-rtemscoff*): New target, formal name for
11937 (m68*-*-rtemself*): New target.
11938 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
11939 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
11940 (sparc*-*-rtemself*): New target.
11941 (sparc*-*-rtems*): Now elf not a.out.
11942 * config/i386/rtems.h: Include config/rtems.h.
11943 * config/i386/rtemself.h: Include config/rtems.h.
11944 * config/i960/rtems.h: Include config/rtems.h.
11945 * config/m68k/rtems.h: Include config/rtems.h.
11946 * config/m68k/rtemself.h: Include config/rtems.h.
11947 * config/mips/rtems64.h: Include config/rtems.h.
11948 * config/pa/rtems.h: Include config/rtems.h.
11949 * config/rs6000/rtems.h: Include config/rtems.h.
11950 * config/sh/rtems.h: Include config/rtems.h.
11951 * config/sh/rtemself.h: Include config/rtems.h.
11952 * config/sparc/rtems.h: Include config/rtems.h.
11953 * config/sparc/rtemself.h: Include config/rtems.h
11955 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
11957 * final.c (shorten_branches): Correctly compute length of
11958 asms without operands.
11960 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
11962 * configure.in: Add pj target.
11963 * configure: Regenerate.
11964 * config/pj: New directory.
11965 * config/pj/lib1funcs.S: New file.
11966 * config/pj/linux.h: New file.
11967 * config/pj/pj.c: New file.
11968 * config/pj/pj.md: New file.
11969 * config/pj/pjl.h: New file.
11970 * config/pj/t-pj: New file.
11971 * config/pj/xm-pj.h: New file
11973 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
11975 * toplev.c (rest_of_compilation): Run shorten-branches before
11978 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11980 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
11981 macros so that they're consistent with their names.
11982 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11983 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11985 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11987 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
11988 modified inadvertently.
11990 2000-01-04 Joel Sherrill <joel@OARcorp.com>
11992 * configure.in (v850*-*-rtems*): New target.
11993 * configure: Regenerate.
11994 * config/v850/rtems.h: New file.
11996 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
11998 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
11999 (__gthread_key_create): Likewise.
12000 (__gthread_key_dtor): Likewise.
12001 (__gthread_once): Fix logic.
12002 (__gthread_key_delete): Cast away constness.
12004 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
12005 * invoke.texi: Document.
12006 * i386/mingw32.h (CPP_SPEC): Use.
12007 (LIBGCC_SPEC): Likewise.
12008 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
12010 2000-01-04 David Edelsohn <edelsohn@gnu.org>
12012 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
12013 (HANDLE_PRAGMA_PACK): Undefine.
12014 (SLOW_UNALIGNED_ACCESS): Define.
12016 2000-01-04 David Edelsohn <edelsohn@gnu.org>
12018 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
12019 to default definition.
12020 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
12021 (store_fixed_bit_field): Call macro with word_mode and alignment.
12022 (extract_bit_field): Call macro with relevant mode and alignment.
12023 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
12024 to default definition.
12025 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
12027 (move_by_pieces_ninsns): Likewise.
12028 (clear_by_pieces): Likewise.
12029 (emit_push_insn): Likewise.
12030 (store_field): Call macro with relevant mode and alignment.
12031 (expand_expr): Likewise.
12032 (expand_expr_unaligned): Likewise.
12034 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
12035 (SLOW_UNALIGNED_ACCESS): Define.
12036 (CASE_VECTOR_MODE): Always use 32-bit offsets.
12037 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
12038 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
12039 (toc_section): Likewise and .toc pseudo-op.
12040 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
12042 (TEXT_SECTION_ASM_OP): Likewise.
12043 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
12046 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
12047 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
12048 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
12049 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
12050 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
12052 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
12054 * regclass.c: Revert my Jan 4 change to loop cost computation.
12056 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12058 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
12061 2000-01-04 Stan Cox <scox@cygnus.com>
12063 * haifa-sched.c (build_control_flow): Change unreachable simple
12064 loop test to check if current block has only one predecessor.
12065 (find_rgns): Initialize degree. Use dest as degree index, not src.
12067 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12069 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
12071 * calls.c (expand_call): Likewise for
12072 `old_stack_arg_under_construction'.
12074 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
12076 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
12079 * gcc.c (execute): Likewise for `ut' and `st'.
12081 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
12083 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
12085 * jump.c (jump_optimize_1): Likewise for `temp2'.
12087 * local-alloc.c (block_alloc): Likewise for `r1'.
12089 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
12091 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
12092 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
12094 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
12097 * reload.c (find_reloads): Likewise for `goal_alternative_number'
12098 and `goal_earlyclobber'.
12100 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
12102 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
12104 * stupid.c (stupid_life_analysis): Likewise for `chain'.
12106 * unroll.c (copy_loop_body): Likewise for `copy'.
12108 * varasm.c (output_constructor): Likewise for `byte'.
12110 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12112 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
12113 all FP constants for constant->reg moves.
12114 (ix86_split_to_parts): Try to convert memory address into immediate
12115 when available in the constant pool.
12116 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
12118 (LEGITIMATE_CONSTANT_P): Return 1.
12119 * i386.md (pushsf): New splitter to convert constant pool memory
12120 reference to immediate.
12121 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
12124 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
12126 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
12127 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
12128 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
12129 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
12130 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
12132 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
12134 * ginclude/stdbool.h: Support compilation as C++.
12136 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12138 * fold-const.c (make_range): Don't try to reverse an unbounded range.
12140 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
12142 * regclass.c (regclass): Properly compute loop_cost. Adjust
12145 * regclass.c: Fix minor whitespace problems.
12147 2000-01-03 Anthony Green <green@cygnus.com>
12149 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
12150 Restore the pic register if required.
12152 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
12154 * c-common.c (format_char_info): Update comment.
12155 (check_format_info): Recognize 'z' modifier in the same way 'Z'
12156 was recognized. Emit warning for formats new in ISO C99 only
12157 if flag_isoc9x is not set.
12159 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
12161 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
12163 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12165 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
12166 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
12167 (make_compound_operation): Choose cheaper alternative between
12168 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
12170 * regclass.c (op_costs): Remove global variable.
12171 (record_reg_classes): New parameter "op_costs" and "reg_pref".
12172 (record_operand_costs): Break out from ...
12173 (scan_one_insn): ... here.
12174 (dump_regclass): Make dumps nicer.
12175 (regclass): Dump preferrences choosed and changes done during passes.
12177 2000-01-03 Jakub Jelinek <jakub@redhat.com>
12179 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
12181 2000-01-03 Jakub Jelinek <jakub@redhat.com>
12183 * config/sparc/sparc.c (gen_df_reg): New function.
12184 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
12185 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
12186 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
12187 movtf_cc_reg_sp64+1): Use it.
12189 2000-01-02 Mark Mitchell <mark@codesourcery.com>
12191 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
12192 copied LABEL_DECLs.
12194 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
12196 * config/i386/i386.c (ix86_expand_unary_operator): Function
12197 definition made void.
12198 (ix86_expand_binary_operator): Update outdated preceding comment.
12199 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
12202 * config/i386/i386.c (override_options): Fix option-name typo.
12204 2000-01-02 Mark Mitchell <mark@codesourcery.com>
12206 * system.h (CEIL): Define.
12207 * builtins.c (CEIL): Remove.
12208 * expmed.c (CEIL): Likewise.
12209 * expr.c (CEIL): Likewise.
12210 * stor-layout.c (CEIL): Likewise.
12212 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12214 * expr.c (store_constructor_field): Fix typo introduced with last
12217 2000-01-01 Mark Mitchell <mark@codesourcery.com>
12219 * tree.h (BINFO_N_BASETYPES): New macro.
12221 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
12223 * expmed.c (emit_store_flag): Prevent losing a pending stack
12224 adjust the same way we prevent losing queued increments.
12226 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12228 * function.c (update_temp_slot_address): Handle case where sum of
12229 temporary address plus offset in register is a valid address.
12231 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12233 * genrecog.c (change_state) Corrected typo.
12235 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12237 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
12238 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
12239 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
12241 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
12243 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
12244 case, expand GT comparisons correctly. Fix a comment before this
12247 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
12249 * dwarfout.c: Include "frame.h"
12250 * dwarf2out.c: Likewise.
12251 * Makefile.in (dwarfout.o): Depend on frame.h
12252 (dwarf2out.o): Likewise.
12254 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
12256 Restore i386 binary compatibility in Dwarf EH info.
12257 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
12258 value of FIRST_PSEUDO_REGISTER.
12259 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
12260 (struct frame_state): Use DWARF_FRAME_REGISTERS.
12261 * dwarfout.c (output_reg_number): Ditto.
12262 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
12263 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
12265 1999-12-29 Bruce Korb <autogen@linuxbox.com>
12267 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
12268 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
12269 (<hack>_RE_CT): not needed
12270 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
12271 rewritten to scan the file text once only
12272 "template<..." test added
12273 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
12274 (is_cxx_header): declaration added
12275 * fixinc/fixtests.c(is_cxx_header): removed
12276 (apply_fix_p_t): removed
12277 (double_slash_test): is_cxx_header is only called once now
12278 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
12279 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
12280 within the templates.
12281 The borken spelling of "broken" was fixed.
12282 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
12283 The default level depends on FIXINC_DEBUG.
12285 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12287 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
12288 Otherwise provide a declaration for atexit.
12289 (init_dummy): Make sure dummy call to atexit is nevertheless
12290 called with correct number of args.
12292 * frame.c: Update comments referring to other files.
12294 * libgcc2.c: Likewise.
12296 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12298 * cse.c (free_element, get_element): Remove unused prototypes.
12300 * fold-const.c (extract_muldiv): Initialize variables `op0' and
12303 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
12306 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
12308 * configure.in,configure: case arm for mn10200-*-* now sets
12309 float_format=i32 so that float.h will correctly claim "double"
12310 to be 32 bits. Ran autoconf to generate configure from .in file.
12312 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
12314 * pa.md (conditional zero): If op1 is a register, force it into
12315 the same register as op0.
12317 1999-12-28 Mark Mitchell <mark@codesourcery.com>
12319 * tree.h (BINFO_BASETYPES): Improve documentation.
12321 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12323 * configure.in (--enable-checking): Use a more portable `for'
12326 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12328 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
12329 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
12331 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
12334 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
12335 Delete descriptions.
12337 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
12338 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
12339 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
12340 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
12341 xm-svr4.h: Remove all instances of sys_siglist handling.
12343 1999-12-27 Jakub Jelinek <jakub@redhat.com>
12345 * config/sparc/sparc.md (cmp_zero_qi,
12346 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
12347 cmp_zero_extendqidi2_andcc_set): New patterns.
12349 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
12351 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
12352 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
12353 (fpgnulib.c, xfgnulib.c): Add rules.
12354 * m68k/t-mot3300-gas: Likewise.
12356 1999-12-27 Ian Lance Taylor <ian@zembu.com>
12358 * configure.in: Avoid [[ by using test and changequote. Add
12359 changequote required by 1999-12-14 change.
12360 * configure: Rebuild.
12362 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
12364 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
12366 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
12368 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
12369 * flow.c (find_use_as_address): Likewise.
12370 * function.c (fixup_var_refs_1): Likewise.
12371 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
12372 * jump.c (invert_exp, redirect_exp): Likewise.
12373 * loop.c (replace_call_address): Likewise.
12374 (count_nonfixed_reads): Likewise.
12375 * rtlanal.c (modified_between_p): Likewise.
12376 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
12377 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
12378 * unroll.c (remap_split_bivs): Likewise.
12380 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12382 * diagnostic.c (v_message_with_decl): Use .* format specifier
12383 instead of building the format specifier width manually.
12385 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
12386 determining whether to provide a prototype. Remove the
12387 sys_siglist clause in the conditional.
12389 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12391 * fold-const.c (operand_equal_p): Use memcmp to compare string
12393 Suggested by D. J. Bernstein
12395 1999-12-17 Jakub Jelinek <jakub@redhat.com>
12397 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
12398 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
12400 * config/mips/mips.h (TARGET_64BIT): Likewise.
12401 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
12402 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
12403 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
12404 dsps. Give routines proper names if SI/DI modes are not used.
12405 * longlong.h: Use DWunion instead of DIunion.
12407 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
12409 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
12410 GC_CHECKING, GC_ALWAYS_COLLECT.
12411 * configure.in: Allow --enable-checking with an argument
12412 listing check modes to enable.
12413 * config.in, configure: Rebuilt.
12414 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
12415 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
12416 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
12417 ENABLE_GC_ALWAYS_COLLECT.
12418 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
12420 * tree.h, tree.c: Change ENABLE_CHECKING to
12421 ENABLE_TREE_CHECKING throughout.
12423 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12425 * fold-const.c (fold_truthop): Properly check for FP RHS.
12427 1999-12-24 Mark Mitchell <mark@codesourcery.com>
12429 * toplev.h (note_deferall_of_defined_inline_function): Declare.
12430 * toplev.c (note_deferral_of_defined_inline_function): New
12431 function, split out from ...
12432 (rest_of_compilation): ... here. Use it.
12434 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12436 * expr.c (store_constructor): Don't call clear_storage if size is
12439 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12441 * Makefile.in (toplev.o): Depend on loop.h.
12443 * dwarfout.c: Include tm_p.h.
12445 * emit-rtl.c (restore_emit_status): Mark parameter with
12448 * final.c (final_scan_insn): Likewise.
12450 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
12451 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
12452 flow_depth_first_order_compute, flow_loop_pre_header_find,
12453 flow_loop_tree_node_add, flow_loops_tree_build,
12454 flow_loop_level_compute, flow_loops_level_compute,
12455 flow_loop_outside_edge_p): Add prototypes.
12456 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
12458 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
12459 Mark with ATTRIBUTE_NORETURN.
12461 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
12463 * local-alloc.c (no_conflict_p): Likewise.
12465 * loop.c (insert_bct): Hide definitions of variables with hidden
12467 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
12469 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
12470 with ATTRIBUTE_UNUSED.
12471 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
12472 (reg_scan): Likewise.
12474 * reload.c (find_reloads): Remove unused variables `changed'.
12476 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
12478 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
12479 Remove unused variable `insn'.
12481 * toplev.c: Include loop.h.
12482 (report_file_and_line): Remove unnecessary prototype.
12484 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
12486 * unroll.c (biv_total_increment): Likewise.
12488 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12490 * reload1.c (emit_input_reload_insns): Restore old behaviour
12491 wrt. 'special' reloads.
12493 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
12495 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
12496 hash.h. (cse.c): Don't depend on hashtab.h.
12498 * cse.c: Don't include hashtab.h.
12499 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
12501 * ggc-simple.c: Don't include hash.h.
12503 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
12505 * dwarf2out.c (add_abstract_origin_attribute): Call
12506 gen_abstract_function on our function context.
12508 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
12510 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
12512 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12514 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
12517 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12519 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
12520 constraints to "a!r".
12522 1999-12-21 Mark Mitchell <mark@codesourcery.com>
12524 * Makefile.in (calls.o): Depend on function.h.
12525 (alias.o): Likewise.
12527 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
12529 * reload1.c (emit_reload_insns): Break out code and variables into...
12530 (input_reload_insns, other_input_address_reload_insns,
12531 other_input_reload_insns, input_address_reload_insns,
12532 inpaddr_address_reload_insns, output_reload_insns,
12533 output_address_reload_insns, outaddr_address_reload_insns,
12534 operand_reload_insns, other_operand_reload_insns,
12535 other_output_reload_insns): ... new static variables, and...
12536 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
12537 do_output_reload): ... new functions.
12539 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12541 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
12543 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12545 * md.texi: Add c4x constraints documentation.
12547 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12549 * config/i386/dgux.c (struct option): Rename to
12550 lang_independent_option.
12551 (struct m_options): Add description field.
12552 (output_options): Rename option type, add sep declaration, output
12553 ix86_cpu_string and ix86_arch_string only if set.
12554 (output_file_start): Rename option type.
12556 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
12558 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
12560 (libgcc2.a): Similarly.
12562 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
12564 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
12565 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
12566 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
12568 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
12570 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
12571 Remove redundant initialization of "frexpon" and "expon".
12573 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12575 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
12577 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
12578 (store_constructor_field, expand_expr): Pass new arg.
12580 1999-12-20 Mark Mitchell <mark@codesourcery.com>
12582 * Makefile.in (explow.o): Depend on function.h.
12584 * stor-layout.c (set_sizetype): Fix typo.
12586 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
12588 * function.c (cfun): Renamed from current_function. All users
12590 * function.h (cfun): Rename declaration as well.
12592 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
12593 to be of type regset_head, not regset. All users changed by adding
12595 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
12597 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12599 * config/c4x/rtems.h: New file.
12601 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
12603 * reload1.c (spill_failure): Take class of failed reload as argument
12604 and print it. Caller changed.
12606 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12608 * rs6000.h (SUBTARGET_DEFAULT): New macro.
12609 (TARGET_SWITCHES): Allow subtargets to default switches.
12610 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
12612 1999-12-18 Mark Mitchell <mark@codesourcery.com>
12614 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
12617 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
12619 * cccp.c (main): Define __STDC_VERSION__ as necessary.
12620 * cppinit.c (cpp_handle_option): Likewise.
12622 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
12623 determine when to define.
12625 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
12627 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
12628 cmove with mismatched test and data modes.
12630 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
12632 * c-typeck.c (c_expand_start_case): Don't warn for long switch
12635 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12637 * alias.c: Minor reformatting.
12638 * flow.c: Likewise.
12639 * regs.h: Likewise.
12640 * stor-layout.c: Likewise.
12641 * fold-const.c: Likewise.
12642 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
12643 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
12645 (size_int_wide): Cache nodes even if garbage collecting.
12646 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
12647 of SAVE_EXPR has no side effects.
12648 * cse.c: Move a comment.
12649 * tree.c: Minor reformatting.
12650 (int_size_in_bytes): Return -1 if constant overflows.
12652 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12654 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
12656 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
12658 * objc/objc-parse.c: Regenerate. This file must be rebuilt
12659 after any change to c-parse.in, even if objc-parse.y didn't
12662 1999-12-18 David S. Miller <davem@redhat.com>
12664 * toplev.c (rest_of_compilation): Restore BLOCK tree
12665 reconstruction and branch shortening changes lost in
12666 December 18th change.
12668 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
12670 * config/arm/linux-elf.h: Change all instances of
12671 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
12672 * config/arm/uclinux-elf.h: Likewise.
12674 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
12676 * toplev.c (notice, vmessage, v_message_with_file_and_line,
12677 v_message_with_decl, file_and_line_for_asm,
12678 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
12679 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
12680 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
12681 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
12682 pfatal_with_name, fatal_io_error, need_error_newline,
12683 last_error_function, last_error_tick, announce_function,
12684 default_print_error_function, print_error_function,
12685 report_error_function, fnotice, error_with_file_and_line,
12686 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
12687 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
12688 warning_with_decl, warning_for_asm, warning, pedwarn,
12689 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
12691 (compile_file): Use fnotice instead of notice. Adjust call.
12693 * diagnostic.c: New file.
12695 * Makefile.in (OBJS): Include diagnostic.o
12696 (diagnostic.o): Define dependence.
12698 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12700 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
12703 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12705 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
12707 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
12709 * fixtests.c (is_cxx_header): New fn, split out of
12711 (else_endif_label): Allow "#endif // comment" in C++ headers,
12712 as determined by is_cxx_header.
12713 * fixfixes.c (else_endif_label_fix): Update comment.
12714 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
12716 * genfixes: Correct double thinko in commandline parsing.
12717 * hackshell.tpl: Generate correct sh syntax for bypass
12720 * inclhack.def (all): Whenever an inserted preprocessor
12721 conditional is split over multiple lines, use double
12722 backslashes in this file so the fixed header will be readable.
12724 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
12725 and add bypass entry for correct version of this header.
12726 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
12727 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
12729 (hpux8_bogus_inlines): New fix, split from...
12730 (ultrix_atof_param) ... here.
12731 (math_expression): Add bypass entry keyed to glibc comment
12732 indicating the problem has been dealt with; disable
12733 unnecessary sed operations; update commentary.
12734 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
12735 add select and bypass entries, simplify shell operation.
12736 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
12738 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
12739 ultrix_atof_param): Add select entry.
12740 (stdio_va_list, sunos_mather_decl): Add bypass entry.
12741 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
12742 comments with the fixes they describe.
12744 * c-parse.in (string action): Do not warn about ANSI string
12745 concatenation in system headers. Affects C parser only.
12746 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
12748 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12750 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
12751 compiling libgcc2 the macro depends always on arch cpp defines.
12753 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
12755 * loop.c (insert_loop_mem): Don't record MEMs from inside
12758 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
12760 * regclass.c (regclass): Do not use flowgraph when not optimizing.
12762 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
12763 notes too, create one when replacement failed, attempt to simplify
12765 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
12766 or REG_EQUIV notes.
12768 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12770 * crtstuff.c (__dso_handle): Declare.
12771 (__cxa_finalize): Likewise.
12772 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
12775 * invoke.texi: Document -fuse-cxa-atexit.
12777 * tree.h (ptr_type_node): Document.
12778 (const_ptr_type_node): Likewise.
12780 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12782 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
12783 (optimize_reg_copy_2): Likewise.
12784 (optimize_reg_copy_3): Likewise.
12785 (fixup_match_2): Likewise.
12786 (regmove_optimize): Likewise.
12787 (fixup_match_1): Liekwise.
12789 * i386.md (HI to SImode promoting splitters): Rewrite.
12790 (pushsf mem peep2): New.
12791 (testhi to andhi peep2): Remove.
12792 * i386.h (x86_promote_QImode): New.
12793 (TARGET_PROMOTE_QImode): New.
12794 (PREDICATE_CODES): Add promotable_binary_operator.
12795 * i386.c (x86_promote_QImode0: New.
12796 (promotable_binary_operator): New.
12797 * i386-protos.h (promotable_binary_operator): New.
12799 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
12801 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
12803 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12805 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
12806 * function.c (insert_block_after_note): Remove.
12807 (retrofit_block): Likewise.
12808 (identify_blocks): Fix indentation.
12809 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
12810 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
12811 * function.h (insert_block_after_note): Remove prototype.
12812 (retrofit_block): Likewise.
12813 * integrate.c (expand_inline_function): Don't call
12814 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
12815 just expand_start_bindings. Use the block_map to remap old
12816 NOTE_BLOCKs to new ones.
12817 (integrate_decl_tree): Keep track of remapped blocks.
12818 * integrate.h (struct inline_remap): Add block_map.
12819 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
12820 NOTE_BLOCK on the notes.
12821 (expand_start_bindings): Rename to ...
12822 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
12823 (expand_end_bindings): Set NOTE_BLOCK.
12824 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
12825 reconstruct the BLOCK tree.
12826 * tree.h (expand_start_bindings): Macroize. Call ...
12827 (expand_start_bindings_and_block): New function.
12829 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12831 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
12832 to match the format.
12834 1999-12-16 David S. Miller <davem@redhat.com>
12836 * expr.c (emit_move_insn_1): Only emit clobbers if one of
12837 the outputs is a SUBREG.
12838 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
12841 * config/sparc/sparc.c (epilogue_renumber): Add default case
12844 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12846 * toplev.c (rest_of_compilation): Run branch shortening after
12849 * regclass.c (loop_depth): Remove
12850 (scan_one_insn): Do not handle LOOP_NOTE insns.
12851 (regclass): Go through basic blocks and set loop_cost
12853 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
12855 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
12857 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12859 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
12860 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
12861 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
12863 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
12865 * loop.c (insert_loop_mem): Ignore memory clobbers.
12867 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
12870 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
12872 * profile.c: Remove redundant #include "output.h".
12874 * h8300.md (HImode preinc peephole): Fix typo.
12876 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12878 * function.c (retrofit_block): Abort if we don't find a suitable insn.
12879 (insert_block_after_note): Abort if we don't have a previous block.
12880 Remove FN parameter.
12881 * function.h: Adjust.
12883 1999-12-15 Mark Mitchell <mark@codesourcery.com>
12885 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
12886 argument more than once.
12888 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12890 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
12892 1999-12-15 Jakub Jelinek <jakub@redhat.com>
12894 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
12896 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12898 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
12899 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
12900 update stack_alignment_needed.
12901 (prepare_function_start): Initialize stack_alignment_needed
12902 * function.h (struct function): Add field stack_alignment_needed.
12904 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12906 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
12907 Handle live_throughout / dead_or_set instead of live_before /
12909 (save_call_clobbered_regs): Get register livenessinformation from
12910 chain->live_throughout.
12911 (add_stored_regs): New function.
12912 (insert_restore, insert_save): Add restored / saved registers to
12914 * global.c (reg_dies): New parameter chain.
12915 (reg_becomes_live): Third parameter is regs_set now.
12916 Changed all callers.
12917 (reg_dies): New parameter chain. Changed all callers.
12918 (build_insn_chain): Set live_throughout instead of
12919 live_before / live_after.
12920 * reload.h (struct insn_chain): Replace members live_before /
12921 live_after with live_throughout / dead_or_set.
12922 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
12923 instead of live_before / live_after.
12924 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
12925 (order_regs_for_reload, find_reg, finish_spills): Likewise.
12926 (choose_reload_regs_init): Likewise.
12927 * stupid.c (current_chain, find_clobbered_regs): Delete.
12928 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
12929 instead of chain->live_before / chain->live_after.
12930 (mark_hard_ref): New function.
12931 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
12933 1999-12-15 David S. Miller <davem@redhat.com>
12935 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
12937 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12939 * flow.c (calculate_loop_depth): Make global, remove prototype,
12940 rewrite to use new loop infrastructure.
12941 (find_basic_block): Remove calculate_loop_depth call.
12942 * toplev.c (rest_of_compilation): Call find_basic_block.
12943 * output.h (calculate_loop_depth): Declare.
12945 * flow.c (dump_flow_info): Dump loop_depth.
12946 (flow_loops_nodes_find): Increase loop_depth for basic block in the
12948 (flow_loops_find): Initialize the loop_depth for each basic block.
12950 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12952 * tree.c (decl_function_context): Handle virtual functions.
12954 * tlink.c (scan_linker_output): Don't look in demangled name when
12955 looking for linker output keywords.
12957 * dwarfout.c (output_type): We can defer namespace-scope classes.
12959 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
12961 * regclass.c (record_reg_classes): Update comment for merging
12962 register class preferences in reg->reg copies. Tighten conditions
12963 for merging register class preferences in reg->reg copies.
12965 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
12967 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
12969 1999-12-14 Geoff Keating <geoffk@cygnus.com>
12971 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
12972 (INIT_SECTION_ASM_OP): Delete.
12973 (FINI_SECTION_ASM_OP): Delete.
12974 (STARTFILE_SPEC): Define to hold just crtbegin.o.
12976 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
12978 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
12979 the abstract origin wasn't emitted.
12981 * dwarf2out.c (class_scope_p): New fn.
12982 (gen_subprogram_die): Use it.
12983 (gen_variable_die): Use it. Tweak logic.
12984 (gen_struct_or_union_type_die): Check context_die to determine
12985 if we're function-local.
12986 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
12988 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12990 * loop.c (check_dbra_loop): Can't reverse a biv that has
12991 maybe_multiple set.
12993 1999-12-14 Nick Clifton <nickc@cygnus.com>
12995 * config/arm/arm.c: Add support for -mcpu=arm720 command line
12998 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13000 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
13001 for givs made from biv increments.
13003 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
13005 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
13006 * alpha.c (override_options): Recognize -mcpu=ev67.
13007 * alpha.h (CPP_CPU_EV67_SPEC): New.
13008 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
13009 (EXTRA_SPECS): Update.
13011 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
13013 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
13014 appropriate for -lang-c89 and -std=*.
13015 * cppinit.c (cpp_handle_option): Likewise.
13016 (new_pending_define): New, split out from cpp_handle_option.
13017 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
13018 or enable trigraphs for -ansi/-std=*.
13020 * ginclude/stdarg.h (__va_copy): New.
13021 (va_copy): Don't define for C89.
13023 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
13025 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
13026 for long long multiply-accumulate.
13028 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13030 * regclass.c (scan_one_insn): Set loop_cost to 1 when
13031 optimizing for size.
13033 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
13035 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
13036 if something changed. Back out that part of yesterday's changes.
13038 * loop.c (loop_max_reg): New static variable.
13039 (loop_optimize): Initialize it. Eliminate one unnecessary call to
13041 (scan_loop): Call reg_scan_update whenever we may have added new
13042 registers, and update loop_max_reg.
13044 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13046 * regclass.c (record_reg_classes): Do not do the copying preferrencing
13047 when source does not die.
13049 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
13051 1999-12-14 Jakub Jelinek <jakub@redhat.com>
13053 * config/sparc/linux64.h (TARGET_LIVE_G0,
13054 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
13056 * config/sparc/linux.h (TARGET_LIVE_G0,
13057 TARGET_BROKEN_SAVERESTORE): Likewise.
13058 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
13059 TARGET_BROKEN_SAVERESTORE): Likewise.
13061 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
13062 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
13064 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
13065 as sparc64 block profiling register.
13066 * config/sparc/sparc.c (sparc_override_options): Allow block
13067 profiling with -m32.
13068 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
13069 profiling register.
13070 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
13071 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
13072 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
13074 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
13076 * config/sparc/sparc.h: Likewise.
13077 * config/sparc/xm-sysv4-64.h: Likewise.
13078 * config/float-sparc.h: Likewise.
13079 * glimits.h: Likewise.
13080 * longlong.h: Likewise.
13082 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
13083 (ASM_IDENTIFY_GCC): Remove.
13085 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
13087 * combine.c (combine_simplify_rtx): Don't make shared rtl.
13088 (simplify_logical): Likewise.
13090 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
13092 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
13093 * cppfiles.c (INO_T_EQ): Likewise.
13095 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
13097 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
13098 * i386/mingw32.h (LIB_SPEC): Likewise.
13099 (STARTFILE_SPEC): Likewise.
13100 * i386/uwin.h (LIB_SPEC): Likewise.
13101 (STARTFILE_SPEC): Likewise.
13103 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
13104 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
13106 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
13108 * combine.c (combine_simplify_rtx): Fix order of checks for
13109 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
13111 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
13113 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
13114 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
13116 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
13118 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
13120 * regclass.c (inv_reg_alloc_order): New array.
13121 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
13123 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
13124 counted_for_groups, counted_for_nongroups. Add fields rld and
13126 * reload.c (push_secondary_reload): Don't set nongroup field of
13128 (push_reload): Likewise.
13129 (find_reloads): Delete code to compute nongroup fields.
13130 * reload1.c (reload_insn_firstobj): New static variable.
13131 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
13133 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
13134 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
13135 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
13137 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
13139 (struct hard_reg_n_uses): Deleted.
13140 (potential_reload_regs): Deleted.
13141 (init_reload): Initialize spilled_pseudos and pseudos_counted.
13142 (reload): Don't try to allocate reload registers if we already know
13143 we have to make another pass. Call select_reload_regs. Free memory
13144 starting with reload_firstobj when starting another pass.
13145 Don't allocate spilled_pseudos.
13146 (calculate_needs_all_insns): Call copy_reloads for an insn that
13147 needs reloads; don't call calculate_needs.
13148 (spill_cost): New static array.
13149 (used_spill_regs_local): New static variable.
13150 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
13151 to compute potential_reload_regs.
13152 (find_reload_regs): Completely rewritten to use find_reg.
13153 (allocate_reload_reg): Don't test counted_for_groups or
13154 counted_for_nongroups. Lose NOERROR arg and code to give an error;
13155 all cllers changed.
13156 (choose_reload_regs): Add fallback code that uses the existing
13157 register allocation from find_reload_regs.
13159 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
13161 * flow.c (create_edge_list): Cast xmalloc return value.
13163 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
13165 * doprnt.c: Remove incorrect comment closure.
13167 * cse.c: Fix a few minor whitespace goofs.
13169 1999-12-13 Don Bowman <don@pixstream.com>
13171 * mips/vxworks.h: Fix problem with comment termination.
13172 (EXTRA_SECTIONS): Add in_sbss.
13173 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
13175 1999-12-12 David S. Miller <davem@redhat.com>
13177 * cse.c (struct cse_reg_info): Add hash_next member,
13178 reorder rest of struct for better packing on 64-bit
13180 (cse_reg_info_tree): Kill.
13181 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
13182 REGHASH_FN): New custom pow2 hash mechanism.
13184 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
13185 use a pow2 hash table.
13186 (get_cse_reg_info): Rework to use new REGHASH.
13187 (new_basic_block): Likewise, use HASH_SIZE, and inline
13189 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
13190 and inline free_element call.
13191 (lookup_as_function, insert, flush_hash_table, invalidate,
13192 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
13193 invalidate_for_call, use_related_value, find_comparison_args,
13194 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
13195 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
13196 get_element): Kill.
13198 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
13200 * cse.c (cse_basic_block): Free qty_table consistently.
13202 1999-12-12 David S. Miller <davem@redhat.com>
13203 Jakub Jelinek <jakub@redhat.com>
13205 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
13206 SUBREGs by hand, gen the appropriate hard reg directly.
13207 (movtf reg/mem split): Likewise and alter_subreg on destination
13209 (movtf mem/reg split): Similarly.
13210 (movdf_cc_sp64): Rename from hidden pattern.
13211 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
13212 (movtf_cc_sp64, following split): New pattern and splitter.
13213 (movdf_cc_reg_sp64): Rename from hidden pattern.
13214 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
13216 (movtf_cc_reg_sp64, following split): New pattern and splitter.
13218 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
13220 * loop.c (load_mems): Don't hoist written floating point mem
13223 1999-12-12 Mark Mitchell <mark@codesourcery.com>
13225 * except.h (struct eh_queue): Add `next' pointer.
13226 (struct eh_status): Make x_ehqueue a pointer.
13227 (push_ehqueue): Declare.
13228 (pop_ehqueue): Likewise.
13229 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
13231 (expand_fixup_region_end): Likewise.
13232 (expand_leftover_cleanups): Likewise.
13233 (push_ehqueue): Define.
13234 (pop_ehqueue): Likewise.
13235 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
13236 than doing it inline.
13237 (expand_start_all_catch): Adjust now that ehqueue is a
13239 (mark_eh_queue): Mark all level of the queue.
13240 (mark_eh_status): Adjust now that ehqueue is a
13242 (init_eh_for_function): Allocate ehqueue.
13243 (free_eh_status): Free it.
13244 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
13245 expansion for a fixup.
13247 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13249 * gthr-single.h (__gthread_active_p): Add prototype arguments.
13251 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
13252 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
13253 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
13254 function_ptr, getpagesize, __enable_execute_stack,
13255 __enable_execute_stack, __clear_insn_cache,
13256 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
13257 _cleanup, _exit, __default_terminate, __terminate_func,
13258 __terminate, __empty, __throw, new_eh_context,
13259 eh_context_initialize, eh_context_static, eh_context_specific,
13260 get_eh_context, __get_eh_context, __get_eh_info,
13261 init_reg_size_table, eh_threads_initialize,
13262 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
13263 __unwinding_cleanup, throw_helper, __throw, __rethrow,
13264 __pure_virtual): Add prototype arguments.
13265 (__bb_exit_func): Cast a sizeof to long when comparing against one.
13266 Cast a signed value to unsigned long when comparing against one.
13267 (new_eh_context): Wrap in _GTHREADS macro.
13268 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
13270 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
13271 (throw_helper): Initialize variables `handler_p' and `pc_p'.
13273 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13275 * combine.c (record_promoted_value): Remove unused variable
13278 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
13280 * global.c (record_conflicts): Likewise for `j'.
13282 * genoutput.c (output_insn_data): Don't unnecessarily cast away
13285 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13287 * i386-protos.h (output_387_binary_op, output_fix_trunc,
13288 output_fp_compare): Constify a char*.
13290 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
13292 (override_options, ix86_comp_type_attributes, print_operand,
13293 output_387_binary_op, output_fix_trunc, output_fp_compare):
13295 (ix86_sched_reorder): Mark parameter `clock_var' with
13298 * i386.h (DEBUG_PRINT_REG): Constify a char*.
13300 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
13302 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
13303 operand, for use in the Java front-end.
13305 1999-12-10 Ben Collins <bcollins@debian.org>
13307 * configure.in: Fix typo for "-64" in 64bit as check.
13308 * configure: Rebuilt.
13310 1999-12-10 Jakub Jelinek <jakub@redhat.com>
13312 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
13315 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13317 * c-parse.in (string): With -Wtraditional, warn if ANSI string
13318 concatenation is utilized.
13320 * invoke.texi (-Wtraditional): Document it.
13322 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13324 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
13325 Cast a ptrdiff_t to long and pass it to printf with %ld.
13327 1999-12-10 Geoff Keating <geoffk@cygnus.com>
13329 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
13330 68881, we have no 68881 registers at all.
13331 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
13332 value in a 68881 register if it is available.
13334 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
13336 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
13337 for long long multiply-accumulate.
13339 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
13341 * loop.c (insert_loop_mem): Undo last change.
13343 1999-12-10 David S. Miller <davem@redhat.com>
13345 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
13347 * config/sparc/sparc-protos.h: Add them.
13348 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
13349 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
13350 constraints which use those helpers.
13351 (EXTRA_CONSTRAINT): Use this new macro.
13352 * md.texi: Update sparc target constraints documentation.
13353 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
13354 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
13355 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
13356 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
13357 (movsf high/lo_sum split): Rework for new patterns.
13358 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
13360 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
13362 * c-common.c (c_common_nodes_and_builtins):
13363 Create __builtin_ptrdiff_t and __builtin_size_t.
13365 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
13367 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
13369 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13371 * regclass.c (globalize_reg): Re-instate test that allows
13372 fixed registers to be declared as a variable even after functions
13375 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13377 * i386.md (cpu attribute): Add "athlon".
13378 (athlon_decode): New attribute.
13379 (Athlon scheduling units definitions): New.
13380 (fcmp and shld patterns): Set athlon_decode to "vector".
13381 * i386.c (athlon_cost): New.
13383 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
13384 x86_use_sahf): Set for Athlon.
13385 (x86_use_fiop): Unset for Athlon.
13386 (override_options): Define Athlon alignments and "athlon" name.
13387 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
13388 * i386.h (TARGET_ATHLON): New.
13389 (enum processor_type): Add PROCESSOR_ATHLON.
13390 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
13392 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
13394 1999-12-09 Andreas Jaeger <aj@suse.de>
13396 * loop.c (record_biv): Declare parameter as int.
13398 * config/i386/i386-protos.h: Declare long_memory_operand.
13400 1999-12-09 Mark Mitchell <mark@codesourcery.com>
13402 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
13403 EXPR_WITH_FILE_LOCATION.
13405 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13407 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
13410 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
13412 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
13415 1999-12-09 Jakub Jelinek <jakub@redhat.com>
13417 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
13418 default on linux64 again.
13419 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
13420 models for multilibing.
13421 * genmultilib: Accept | as alternative separator within a set in
13424 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
13426 * calls.c (precompute_arguments): Make sure initial_value contains
13427 value pseudo which CSE expects.
13428 * cse.c (struct set): New entry orig_src.
13429 (cse_insn): Set it early on entry, use it for libcall EQUIV note
13432 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
13434 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
13436 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
13438 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
13440 1999-12-08 Jakub Jelinek <jakub@redhat.com>
13442 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
13443 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
13445 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
13448 * longlong.h: Merge in changes from glibc.
13449 Also don't clobber %g2 register in 32bit SPARC assembly, so that
13450 -mno-app-regs libgcc can be compiled.
13451 * libgcc2.c: Add defines so that the updated longlong.h
13452 can be used in libgcc2.a. Also, make sure on most architectures
13453 (at least on all which have optimized code in longlong.h defined
13454 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
13456 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13458 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
13459 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
13460 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
13462 * configure: Rebuilt.
13464 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
13466 * alpha.c (secondary_reload_class): For !BWX, sub-simode
13467 outputs require a register.
13469 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
13471 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
13472 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
13473 functions like dptoul will be resolved.
13474 (libgcc2.a): Make sure that the object files from DPBIT are named
13475 differently (prefix `_dp') from those that would be coming from
13478 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
13480 * configure.in: When target is sparc* and tm_file contains 64,
13481 test for 64bit support in assembler. If not supported, remove
13482 sparc/t-sol2-64 from target-dependent Makefile fragments.
13483 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
13484 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
13485 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
13486 * acconfig.h (AS_SPARC64_FLAG): Added.
13487 * configure, config.in: Rebuilt.
13488 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
13489 support. Use AS_SPARC64_FLAG.
13491 1999-12-07 Jakub Jelinek <jakub@redhat.com>
13493 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
13494 suitable for holding OFmode values so that gcc works with complex
13496 (hard_64bit_mode_classes): Likewise.
13498 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
13499 so that it is actually matched.
13500 (sethi_di_medlow): Likewise.
13502 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
13503 as legitimate constant if -mvis.
13504 * config/sparc/sparc.md (movtf): Likewise.
13505 (clear_sf): Use const_double_operand.
13506 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
13508 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
13509 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
13510 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
13511 routines, _Qp_* cannot be handled like that now.
13512 (INIT_TARGET_OPTABS): Likewise.
13513 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
13514 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
13515 sparc_emit_float_lib_cmp if ARCH64 and soft float.
13516 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
13517 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
13518 divtf3, sqrttf3): New expanders.
13519 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
13520 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
13521 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
13524 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
13525 * configure: Rebuilt.
13526 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
13527 -mcpu is given and we're doing 64bit compiles.
13529 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
13531 * loop.h (struct induction): Add multi_insn_incr.
13532 * loop.c (basic_induction_var): New multi_insn_incr argument.
13533 Set it if we search back through previous insns for the biv.
13534 (record_biv): New multi_insn_incr argument; fill in struct induction.
13535 (strength_reduce): Discard an iv with multiple bivs, any of
13536 which require multiple insns to increment.
13538 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13540 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
13543 1999-12-06 David S. Miller <davem@redhat.com>
13545 * combine.c (check_promoted_subreg): Do not conditionalize this upon
13546 PROMOTE_FUNCTION_RETURN.
13548 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
13550 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
13551 and handle REG_UNUSED note on insn.
13553 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
13554 inner_mask instead of mask.
13556 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
13558 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
13559 zero if there was an error.
13561 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13563 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
13566 * longlong.h: Fix clobbers in SPARC asm statements.
13568 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
13569 valid sethi operations when TARGET_ARCH64.
13571 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
13572 always use move_by_pieces to avoid infinite recursion.
13573 (restore_fixed_argument_area): Likewise.
13575 * combine.c (check_promoted_subreg, record_promoted_value): New
13577 (combine_instructions): Use them to retain nonzero and sign bit
13578 information after SUBREGs are eliminated by optimizations in
13579 this pass if PROMOTE_FUNCTION_RETURN.
13581 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
13582 .register declaration. Don't use variables with __ prefixes.
13584 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13586 * fold-const.c (optimize_bit_field_compare): Only use one mode
13587 for both RHS and LHS in non-constant case.
13589 1999-12-06 Nathan Sidwell <nathan@acm.org>
13591 * frame.c (start_fde_sort): Only allocate erratic array, if
13592 linear one was allocated. Return allocated flag.
13593 (fde_insert): Only insert, if there's a valid array.
13594 (fde_end_sort): Split, sort and merge if linear and erratic
13595 arrays exist, else just sort linear one.
13596 (search_fdes): New function. Linear search through original fde
13598 (frame_init): Permit multiple initializations. Cope with
13600 (find_fde): Fallback on linear search, if failed to sort array.
13601 (__deregister_frame_info): Only free sorted array, if we
13604 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13606 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
13608 1999-12-05 Jakub Jelinek <jakub@redhat.com>
13610 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
13612 1999-12-05 Mark Mitchell <mark@codesourcery.com>
13614 * tree.h (special_function_p): Declare.
13615 * calls.c (special_function_p): Make it global. Don't take `name'
13616 as a parameter. Fix typo in 1999-11-28 change.
13617 (expand_cal): Adjust.
13619 1999-12-04 Mark Mitchell <mark@codesourcery.com>
13621 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
13622 * tree.h (EXPR_WFL_FILENAME): Define in terms of
13623 EXPR_WFL_FILENAME_NODE.
13624 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
13626 * print-tree.c (print_note): Print TREE_PRIVATE and
13629 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
13630 the original die cannot be found.
13632 * varray.h (varray_head_tag): Add elements_used.
13633 (VARRAY_PUSH): New macro.
13634 (VARRAY_POP): Likewise.
13635 (VARRAY_TOP): Likewise.
13636 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
13638 * varray.c (varray_init): Initialize elements_used.
13639 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
13640 (INTEGRATE_H): New variable.
13641 (integrate.o): Depend on INTEGRATE_H.
13642 (unroll.o): Likewise.
13644 * function.h (insert_block_after_note): Declare.
13645 * function.c (insert_block_after_note): Split out from ...
13646 (retrofit_block): ... here.
13648 * stmt.c (expand_fixup): Fix typo in comment.
13650 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13652 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
13653 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
13654 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
13655 (regmove_optimize, fixup_match_1): Likewise.
13657 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13659 * flow.c (flow_loops_dump): Add missing argument when calling
13660 flow_loop_nested_p.
13662 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
13663 Greg McGary <gkm@gnu.org>
13665 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
13666 (init_attributes): Add A_NO_LIMIT_STACK.
13667 (decl_attributes): Handle A_NO_LIMIT_STACK.
13668 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
13669 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
13670 Handle stack bounds checking.
13671 * flags.h (flag_stack_check): Use the word 'probe' rather than
13672 'check', because the flag doesn't actually cause any checking to
13674 * function.c (expand_function_start): Set
13675 current_function_limit_stack.
13676 * function.h (struct function): Add limit_stack.
13677 (current_function_limit_stack): Define.
13678 * invoke.texi (Code Gen Options): Document new options.
13679 * rtl.h: Declare stack_limit_rtx.
13680 * toplev.c (stack_limit_rtx): New variable.
13681 (decode_f_option): Handle new options -fstack-limit-register=REG,
13682 -fstack-limit-symbol=IDENT, -fno-stack-limit.
13683 (main): Add stack_limit_rtx as GC root.
13684 * tree.h (DECL_NO_LIMIT_STACK): New macro.
13685 (struct tree_decl): New member no_limit_stack.
13687 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
13689 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
13690 (conditional_trap+1): Get new mnemonic correct.
13691 (conditional_trap+2): New pattern for DImode traps.
13693 * config/m68k/m68k.c (output_function_prologue): Handle
13695 * config/m68k/m68k.md (trap): New insn.
13696 (conditional_trap): New insn.
13697 * md.texi (Standard Names): Document `trap' and
13698 `conditional_trap'.
13699 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
13700 so a cc0 setter doesn't get emitted at some random place in the
13703 * config/i960/i960.md (trap): New insn.
13704 (conditional_trap): New expander.
13705 (conditional_trap+1, conditional_trap+2): New insns for signed
13706 and unsigned cases.
13707 * config/i960/i960.c (i960_function_prologue): Use
13708 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
13710 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
13711 Geoffrey Keating <geoffk@cygnus.com>
13713 * flags.h (warn_padded, warn_packed): Add global var decls.
13714 * toplev.c (warn_padded, warn_packed): Add global var defns.
13715 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
13716 * stor-layout.c (layout_record): Add local variable `type'
13717 to hold often-used TREE_TYPE (field). Add local variable
13718 `unpacked_align' to hold alignment that would be in force
13719 if no `packed' attribute were present. Warn if `packed' attribute
13720 is unnecessary, or even harmful. Warn when gcc inserts padding
13721 to satisfy alignment requirements of members. Use NULL_TREE
13722 when checking whether var_size is set.
13723 * invoke.texi: Document new flags.
13725 1999-12-03 Nathan Sidwell <nathan@acm.org>
13727 * frame.c (fde_split): Reimplement to avoid variable sized array.
13729 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13731 * combine.c (try_combine): Before fixing up LOG_LINKS for the
13732 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
13734 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
13736 * invoke.texi: Document the mips option -mno-crt0
13738 1999-12-02 Mike Karr <mkarr@mathworks.com>
13740 * cccp.c (argdata): Added free_ptr member.
13741 (macroexpand): Initialize free_ptr of each argument. When an
13742 argument's buffers are freed, if the argument's free_ptr corresponds
13743 to a buffer on the input stack, then return the free_ptr to that stack
13744 frame, otherwise, free it.
13745 (macarg): If an argument begins and ends on the same input stack level,
13746 then transfer the free_ptr of that buffer to the argument in case
13747 the stack is popped during the processing of a subsequent argument.
13749 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
13751 * loop.c (note_reg_stored): New function.
13752 (struct note_reg_stored_arg): New structure.
13753 (try_copy_prop): Change to be more conservative; only replace within
13754 one extended basic block and stop replacing if a store to the
13755 replacement reg is seen.
13757 1999-12-02 Nick Clifton <nickc@cygnus.com>
13759 * config/fp-bit.c: Initialise all fields of the NAN
13762 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
13765 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
13767 * i386.md (extend?f?f2): Force the input into a register, not
13770 1999-12-01 Jakub Jelinek <jakub@redhat.com>
13772 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
13774 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
13775 alternative because setting up 64bit constant is usually costly,
13776 especially when reload is in progress or completed.
13777 (movdf_const_intreg_sp64): Likewise.
13778 (movdf_const_intreg split): Fix building up constants when
13779 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
13781 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
13783 * combine.c (if_then_else_cond): Use const_true_rtx instead of
13784 const1_rtx for return values in EQ/NE comparison against (const_int 0)
13787 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
13788 (asm_file_start): Emit .am33 into assembly file when compiling for
13790 (print_operand_address): Handle POST_INC addresses.
13791 (can_use_return_insn, initial_offset): Check AM33 registers too.
13792 (expand_prologue): Check & save AM33 registers too.
13793 (expand_epilogue): Similarly.
13794 (secondary_reload_class): Handle AM33 specific secondary reloads.
13795 (output_tst): Emit efficient code for the AM33 too.
13796 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
13797 (TARGET_SWITCHES): Add -mam33 switch.
13798 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
13799 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
13800 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
13801 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
13802 (enum reg_class, REG_CLASS_NAMES): Likewise.
13803 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
13804 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
13805 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
13806 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
13807 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
13808 (HAVE_POST_INCREMENT): Define.
13809 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
13810 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
13811 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
13812 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
13813 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
13814 (zero_extend to SI from QI/HI): Likewise.
13815 (sign_extend to SI from QI/HI): Likewise.
13816 (mulsidi3, umulsidi3): New patterns for the AM33.
13817 (tstsi with zero extension from QI/HI): Add AM33 variants.
13818 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
13819 (return_internal_regs, store_movm): Handle new AM33 registers.
13820 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
13821 (LIBGCC, INSTALL_LIBGCC): Likewise.
13822 * invoke.texi: Document new flags.
13824 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13826 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
13827 (addsi3_carry): Likewise.
13828 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
13829 (sbbsi3_carry): Likewise.
13830 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
13831 (mulhi3): Likewise.
13832 (test?i_1): Ensure that only one operand is memory.
13833 (conditional move patterns): likewise.
13834 (shift and rotate patterns): Rewrite to expander, add
13835 "binary_operator_ok" to the condition.
13837 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
13838 * i386.h (procesor_costs): Add movzbl_load field.
13839 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
13840 non-Q registers, accept DImode registers anywhere.
13842 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
13843 * i386.c (*_cost): Set value for movxbl_load field.
13845 * (addsi): New add to lea splitter.
13846 (ashlsi): Likewise.
13847 (lea to add/shift peep2): New.
13849 1999-12-01 Mark Salter <msalter@cygnus.com>
13851 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
13852 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
13853 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
13855 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13857 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
13858 * i386.md (movsi_xor): New.
13860 (movsi_1, movhi_1, movqi_1): Remove.
13861 (movsi_2): Rename to movsi_1.
13862 (movhi_2): Rename to movhi_1.
13863 (movqi_2): Rename to movqi_1.
13864 (movdi_1): Remove; remove splitter.
13865 (movdi_2): Rename to movdi_1.
13866 (divmodsi4 splitter): Do not emit clobbers for move patterns.
13867 (long move peep2): Do not create QI or HI mode mov0s
13868 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
13870 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
13873 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
13874 (abs?f2_if): Likewise.
13876 1999-11-30 Alex Samuel <samuel@codesourcery.com>
13878 * ggc.h (ggc_test_and_set_mark): New macro.
13879 (ggc_mark_rtx): Use ggc_test_and_set_mark.
13880 (ggc_mark_tree): Likewise.
13881 (ggc_mark_rtvec): Likewise.
13882 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
13884 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
13886 * dwarf2out.c (scope_die_for): Only handle types. Only search for
13888 (decl_scope_table): Just an array of trees now.
13889 (push_decl_scope): Simplify.
13890 (dwarf2out_init): Adjust.
13891 (local_scope_p): New fn.
13892 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
13893 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
13894 (gen_typedef_die): Likewise.
13895 (gen_lexical_block_die): Don't call push/pop_decl_scope.
13896 (gen_inlined_subroutine_die): Likewise.
13897 (gen_abstract_function): Set current_function_decl temporarily.
13898 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
13899 Handle block extern declarations. Don't call push/pop_decl_scope.
13900 (gen_decl_die): Fix logic for block externs.
13902 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13904 * calls.c (special_function_p): Remove `realloc' and add `strdup'
13905 to the list of functions which have attribute malloc by default.
13907 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13909 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
13910 integer constant does not match the traditional type, limit the
13911 warnings to cases where the base of the type is ten.
13913 * invoke.texi (-Wtraditional): Document it.
13915 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13917 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
13918 * rs6000.md: Only access a CONST_INT with INTVAL
13920 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
13922 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
13923 (compute_nearerout): Likewise.
13924 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
13925 size_t to unsigned long for formatting.
13927 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13929 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
13930 Allow the user to override call-used/fixed state of %g2-5
13931 registers from the command line (with the exception of %g4 for
13933 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
13934 there is a higher chance of having a leaf function.
13935 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
13936 for ARCH64 which has %ccr register.
13937 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
13939 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
13940 insn accept into delay slot any insn which does not use %[ol]
13941 registers. Accept some LO_SUM and shift left by 1 for the normal
13943 (output_function_epilogue): Likewise.
13944 (epilogue_renumber): Added argument which inhibits any renumbering
13945 and just tests if the rtx does not use any %[ol] registers.
13946 (output_return): Reflect above change.
13948 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13950 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
13951 aggregate passing for sizes <= 16 bytes.
13953 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
13955 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
13956 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
13957 * reload.c (find_dummy_reload): Likewise.
13958 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
13959 * reload1.c (reload_as_needed): Likewise.
13960 * stupid.c (stupid_find_reg): Likewise.
13961 * tm.texi (Obsolete Register Macros): Delete section.
13962 * gmicro.h: Remove all traces of the two macros.
13963 * i386.h: Likewise.
13964 * m88k.h: Likewise.
13965 * mips.h: Likewise.
13967 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
13969 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
13970 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
13971 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
13972 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
13973 units for the sparclite86x chip.
13974 (flush): Revert October 14th change; add SImode specifically.
13975 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
13976 * invoke.texi: Document it.
13978 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
13980 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
13981 psimode_truncation_operand.
13983 * config/mn10200/mn10200.c (psimode_truncation_operand): New
13984 function. Return true if the operand is either a MEM valid
13985 for a PSImode address or not a MEM at all.
13987 * config/mn10200/mn10200.md (truncsipsi2): Use
13988 psimode_truncation_operand.
13990 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13992 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
13993 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
13994 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
13995 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
13996 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
13997 (flow_loop_level_compute, low_loops_level_compute): Likewise.
13998 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
13999 * basic-block.h: Protect from multiple inclusion.
14000 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
14001 (struct loops, struct loop): Define structures.
14002 * sbitmap.c (sbitmap_a_subset_b_p): New function.
14003 * sbitmap.h: Protect from multiple inclusion.
14004 (sbitmap_a_subset_b_p): Add prototype.
14005 * Makefile.in (LOOP_H): New macro.
14006 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
14008 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
14010 * cppinit.c (CAT): The argument list of this macro may not contain
14013 1999-11-29 David S. Miller <davem@redhat.com>
14015 Move quantity tables and register equivalence chains into
14016 per-qty and per-register structure arrays respectively.
14017 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
14018 qty_const_insn, qty_comparison_code, qty_comparison_const,
14019 qty_comparison_qty): Delete, replace with...
14020 (qty_table): this structure table.
14021 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
14022 (reg_eqv_table): this structure table.
14023 (make_new_qty): Add argument MODE. Caller updated.
14024 Update to use qty_table and reg_eqv_table.
14025 (make_regs_eqv, delete_reg_equiv, insert_regs,
14026 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
14027 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
14028 cse_process_notes, cse_main, cse_basic_block): Likewise.
14030 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14032 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
14033 operation if C is negative.
14034 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
14035 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
14036 law for some divisions if constant is negative and change other
14037 divisions to the opposite rounding.
14039 * expr.c (store_constructor_field): If bit position is not multiple
14040 of alignment of TARGET's mode, use BLKmode.
14042 * expr.c (expand_expr_unaligned): Add more code from full case
14043 that is needed when OP0 is in a register.
14045 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14047 * dwarfout.c (field_byte_offset): Size can be zero if there was
14050 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
14052 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
14053 (associate_trees): Delete unused var TEM.
14054 (extract_muldiv): Delete unused var CANCEL_P.
14056 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
14057 (target_isinf, target_isnan, target_negative): Add return types to
14058 function definitions.
14060 1999-11-29 Bruce Korb <autogen@linuxbox.com>
14062 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
14063 * fixinc/hackshell.tpl: ditto
14064 * fixinc/fixtests.c(double_slash_test): more C++ header testing
14065 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
14067 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
14069 * reload.c (push_reload): When looking for a register to put into
14070 reg_rtx, make sure all hard regs in a multi-reg register are in the
14071 right class and nonfixed.
14073 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
14074 pending_read_insns, pending_write_insns, pending_read_mems,
14075 pending_write_mems, pending_list_length, last_pending_memory_flush,
14076 last_function_call, sched_before_next_call): Move static variables
14078 (bb_ prefixed versions): Replace with single array bb_deps.
14079 (struct deps): New structure.
14080 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
14081 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
14082 argument of type "struct deps *"; use that instead of global
14083 variables. All callers changed.
14084 (init_rgn_data_dependencies): Delete function.
14085 (init_rtx_vector): Delete function.
14086 (init_deps): New function.
14088 (free_pending_lists): Simplify, we always use the bb_deps array even
14089 if only one basic block.
14090 (compute_block_backward_dependences): Likewise.
14091 (schedule_region): Likewise.
14093 (propagate_deps): New function, broken out of
14094 compute_block_backward_dependences.
14095 (compute_block_backward_dependences): Use it.
14097 * alpha.md: Delete useless patterns that tried to work around
14098 register elimination problems.
14100 * unroll.c (loop_iterations): Don't abort if iteration variable
14103 From Joern Rennecke:
14104 * reload1.c (reloads_conflict): Reverse test comparing operand
14105 numbers when testing for conflict between output/outaddr reloads.
14107 1999-11-29 David S. Miller <davem@redhat.com>
14109 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
14111 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
14113 1999-11-28 Robert Lipe <robertl@cygnus.com>
14115 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
14116 table from .fini into .dtor.
14118 1999-11-28 Anthony Green <green@cygnus.com>
14120 * tree.h (struct tree_decl): Add malloc_flag.
14121 (DECL_IS_MALLOC): Define.
14122 * c-common.c (attrs): Add A_MALLOC attribute.
14123 (init_attributes): Add this attribute to the table.
14124 (decl_attributes): Handle malloc attribute.
14125 * calls.c (special_function_p): Check for the malloc attribute.
14126 * extend.texi (Function Attributes): Document malloc attribute.
14128 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
14130 * pa.md (reload shift-add patterns): Remove.
14132 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14134 * reorg.c (dbr_schedule) Print more statistics. Corrected
14135 problem when printing info when 3 delay slots are filled.
14137 1999-11-28 Jakub Jelinek <jakub@redhat.com>
14139 * combine.c (setup_incoming_promotions): Pass an outgoing
14140 regno to FUNCTION_ARG_REGNO_P which it expects.
14142 1999-11-28 Andreas Jaeger <aj@suse.de>
14144 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
14146 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
14148 * cccp.c (do_include): Avoid initialization of automatic variable.
14150 * integrate.c (mark_stores): Function definition made void, to match
14151 previous declaration.
14152 * regclass.c (dump_regclass): Ditto.
14153 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
14155 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14157 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
14158 known to be multiple of divisor.
14160 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
14162 * combine.c (try_combine): Add code to try to merge a set of a
14163 two-word pseudo to a constant with a setting of one of those words
14166 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
14167 (split_tree): Completely rework to make more general.
14168 (make_range, fold): Call negate_expr.
14169 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
14170 (fold, associate): Call new split_tree and associate_trees.
14171 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
14173 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
14175 * loop.c (try_copy_prop): Avoid GNU C extension.
14177 1999-11-25 Mark Mitchell <mark@codesourcery.com>
14179 * except.c (init_eh_for_function): Still zero eh_return_context,
14180 eh_return_stack_adjust, and eh_return_handler.
14182 * except.h (eh_status): Adjust documentation for x_protect_list.
14183 (begin_protect_partials): New function.
14184 * except.c (enqueue_eh_entry): Fix formatting.
14185 (get_first_handler): Add consistency check.
14186 (add_partial_entry): Adjust usage of protect_list.
14187 (emit_cleanup_handler): Save and restore ehqueue.
14188 (expand_start_all_catch): Add comment.
14189 (begin_protect_partials): New function.
14190 (end_protect_partials): Adjust usage of protect_list.
14191 (init_eh_for_function): Use xcalloc.
14193 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14195 * c-common.c (check_format_info): Don't call a variadic function
14196 with a non-literal format string.
14198 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
14200 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
14201 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
14204 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
14207 * collect2.c (collect_wait): Likewise.
14209 * dbxout.c (dbxout_type): Likewise.
14211 * gcc.c (do_spec_1): Likewise.
14213 * genemit.c (gen_insn, gen_expand): Likewise.
14215 * genrecog.c (write_switch, write_subroutine): Likewise.
14217 * mips-tfile.c (catch_signal, botch): Likewise.
14219 * print-rtl.c (print_rtx): Likewise.
14221 * toplev.c (default_print_error_function, report_error_function,
14222 _fatal_insn): Likewise.
14224 1999-11-25 Mark Mitchell <mark@codesourcery.com>
14226 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
14228 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14230 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
14231 operations when needed.
14232 * i386.md (fop_?f_comm): New.
14233 (fop_?f_1): Do not accept commutative operands.
14235 1999-11-25 Andreas Jaeger <aj@suse.de>
14237 * config/mips/mips.md (casesi_internal): Add missing brace.
14239 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
14241 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
14242 (splice_child_die): Handle moving a child DIE from the declaration
14243 DIE of a class to its specification.
14244 (gen_struct_or_union_type_die): Use 'complete' consistently.
14245 (gen_decl_die): Generate the virtual context DIE first.
14246 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
14248 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
14250 * config/mips/mips.md (call_value_multiple_interanal1): New.
14252 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
14254 * dwarf2out.c (free_AT, free_die): New fns.
14255 (remove_children): Call them.
14256 (output_line_info): Disable removal of duplicate notes.
14258 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
14259 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
14260 means pretend the type isn't defined.
14261 Don't defer emitting types.
14262 (gen_type_die_for_member): New fn.
14263 (gen_decl_die): Call it.
14264 (splice_child_die): New fn.
14265 (gen_member_die): Call it rather than generate duplicate dies.
14267 Defer emitting information for the abstract instance of an inline
14268 until we either inline it or emit an out-of-line copy.
14269 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
14270 from output_inline_function if DECL_ABSTRACT is also set.
14271 (block_ultimate_origin): Likewise.
14272 (gen_abstract_function): New fn.
14273 (gen_decl_die, gen_inlined_subroutine_die): Call it.
14274 (gen_subprogram_die): An abstract instance is not a declaration
14275 just because it doesn't match current_function_decl. Don't abort
14276 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
14277 has an abstract origin.
14278 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
14279 abstract instance here.
14281 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
14283 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
14284 where we need to reload fpul from a system register.
14286 1999-11-24 Andreas Jaeger <aj@suse.de>
14288 * config/mips/linux.h (CPP_PREDEFINES): Added.
14289 (LINK_SPEC): Remove -Y since this is only needed on sparc.
14291 1999-11-24 Andreas Jaeger <aj@suse.de>
14293 * config/mips/linux.h (TARGET_VERSION): Added.
14294 (HANDLE_SYSV_PRAGMA): Added.
14295 (DEFAULT_VTABLE_THUNKS): Added.
14297 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14299 * local-alloc.c (qty): New structure and static variable.
14300 (qty_phys_reg): Remove, all references changed to qty.
14301 (qty_n_refs): Likewise.
14302 (qty_min_class): Likewise.
14303 (qty_birth): Likewise.
14304 (qty_death): Likewise.
14305 (qty_size): Likewise.
14306 (qty_mode): Likewise.
14307 (qty_n_calls_crossed): Likewise.
14308 (qty_alternate_class): Likewise.
14309 (qty_changes_size): Likewise.
14310 (qty_first_reg): Likewise.
14311 (alloc_qty): Rename variable QTY to QTYNO.
14312 (finf_free_reg): Likewise.
14313 (local_alloc): Allocate qty, do not allocate the removed variables.
14315 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
14317 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
14318 when -membedded-pic is passed.
14320 * config/mips/mips.md (casesi): Handle 64-bit case too.
14321 (casesi_internal_di): New insn.
14323 * config/mips/mips.c (embedded_pic_offset): Always make the
14324 embedded-pic subtractions relative to the name of the current
14325 function by use of the magic string "..CURRENT_FUNCTION".
14326 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
14328 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
14330 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
14331 of (const_int 0), when what we really care about is
14332 whether it's a zero constant anyway.
14333 (div_trap_mips16): Likewise.
14335 1999-11-23 Mark Mitchell <mark@codesourcery.com>
14337 * loop.c (loop_optimize): Always find_loop_tree_blocks and
14338 unroll_block_trees when generating debuggable code.
14340 * tree.h (unsave_expr_1): New function.
14341 (lang_unsave): New variable.
14342 (get_callee_fndecl): New function.
14343 * tree.c (unsave_expr_now_r): New function.
14344 (lang_unsave): Define.
14345 (unsave_expr_1): Likewise.
14346 (unsave_expr_now_r): Split out from unsave_expr_now.
14347 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
14348 call unsave_expr_now_r.
14349 (get_callee_fndecl): Define.
14351 * Makefile.in (gencheck): Don't depend on lang_tree_files.
14352 (gencheck.o): Do depend on lang_tree_files.
14354 * integrate.h (copy_decl_for_inlining): New declaration.
14355 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
14356 (copy_decl_for_inlining): New function.
14357 (integrate_parm_decls): Use it.
14358 (integrate_decl_tree): Likewise.
14360 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
14362 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
14363 the second two from the first.
14364 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
14365 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
14366 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14368 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
14369 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14372 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
14374 * pa.md (call_internal_symref, call_value_internal_symref): No mode
14375 needed on the address operand.
14376 * pa.c (call_operand_address): Check for the correct mode.
14378 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
14380 * loop.c: Include "basic-block.h".
14381 (try_copy_prop, replace_loop_reg): New functions.
14382 (load_mems): Detect registers that just hold copies of the hoisted
14383 mem, and call try_copy_prop to eliminate them.
14384 * Makefile.in (loop.o): Update dependencies.
14386 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
14388 * Makefile.in (gencheck.o): Depend on gencheck.h.
14389 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
14390 (insn-peep.o): Depend on except.h and function.h.
14391 (insn-attrtab.o): Depend on RECOG_H.
14392 (insn-output.o): Depend on toplev.h and flags.h.
14393 (gengenrtl.o): Depend on real.h.
14394 (gen-protos.o): Depend on cpplib.h and cpphash.h.
14395 Unify all dependencies to be on RECOG_H rather than recog.h.
14397 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14399 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
14400 * configure.in: Try building a bi-arch 32/64-bit compiler on
14401 sparc-*-solaris2.7 and higher.
14402 * configure: Rebuild.
14404 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
14406 * config/freebsd.h: New, FreeBSD architecture independent file.
14407 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
14408 independent pieces.
14409 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
14410 directly by i386/freebsd.h.
14411 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
14412 independent configuration file.
14413 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
14414 directly by i386/freebsd.h.
14415 * configure: Rebuilt.
14417 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
14418 which is in the user's namespace.
14419 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
14420 `i386' which is not in our namespace.
14422 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
14424 * invoke.texi (ARM Options): Add in -mno-alignment-traps
14426 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14428 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
14429 (add_dwarf_attr, add_child_die): Just push onto the front.
14430 (reverse_die_lists): New fn.
14431 (add_sibling_attributes): Use it.
14432 (push_decl_scope): Reorganize.
14433 (add_name_and_src_coords_attributes): Don't set file and line for
14434 an artificial decl.
14435 (gen_subprogram_die): An artificial function doesn't need to match
14437 (gen_compile_unit_die): Return the generated die. Only add
14438 AT_comp_dir if the filename is relative.
14439 (remove_AT): Simplify loop. Also free string values.
14440 (output_die): A DIE ref can't be null.
14441 (output_value_format, value_format): Take a dw_attr_ref.
14442 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
14443 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
14444 AT_addr, AT_lbl): New fns.
14445 (various): Use them.
14446 (various): Constify.
14448 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14450 * combine.c (combine_simplify_rtx): When handling a SUBREG,
14451 take SUBREG_WORD into account.
14452 (if_then_else_cond): Likewise.
14454 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14456 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
14457 clause from BSD license, pursuant with
14459 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
14461 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
14463 * loop.c (load_mems): Reformat slightly.
14464 * basic-block.h (regset_head): New typedef.
14465 (INIT_REG_SET): New macro.
14467 1999-11-22 Bruce Korb <autogen@linuxbox.com
14469 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
14470 (mips-dec-bsd*): non-functional code
14471 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
14473 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
14474 added three replacement fixes
14475 (no_double_slash): removed comments that are not (any longer) pertinent
14476 (bad_lval): this fix currently runs against many files.
14477 The comment seems to indicate that we should select for files
14478 containing 'pragma extern_prefix'.
14480 * fixinc/fixinc.x86-linux-gnu: deleted
14481 * fixinc/inclhack.sh: regen
14482 * fixinc/fixincl.x: regen
14483 * fixinc/fixincl.sh: regen
14485 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
14487 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
14488 its code is INSN and it has no notes.
14490 1999-11-22 Andrew Haley <aph@cygnus.com>
14492 * varasm.c (function_defined): Remove.
14493 (make_function_rtl): Don't set function_defined.
14494 (make_decl_rtl): Remove global register warning.
14495 * regclass.c (no_global_reg_vars): New variable.
14496 (globalize_reg): Warn if function has already been defined.
14497 (regclass_init): Set no_global_reg_vars.
14499 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14501 * regclass.c (reg_pref): New structure and static variable
14502 (prefclass): Delete.
14503 (altclass): Delete.
14504 (all uses of prefclass and altclass): Use reg_pref instead.
14506 1999-11-21 Nick Clifton <nickc@cygnus.com>
14508 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
14510 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
14511 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14512 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14514 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
14516 * varasm.c (output_constructor): Solve problem with long long
14517 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
14519 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14521 * global.c (allocno): New structure and static variable.
14522 (allocno_reg): Remove, all references replaced by allocno.
14523 (allocno_size): Likewise.
14524 (hard_reg_conflicts): Likewise.
14525 (hard_reg_preferences): Likewise.
14526 (hard_reg_copy_preferences): Likewise.
14527 (hard_reg_full_preferences): Likewise.
14528 (regs_someone_prefers): Likewise.
14529 (allocno_calls_crossed): Likewise.
14530 (allocno_n_refs): Likewise.
14531 (allocno_live_length): Likewise.
14532 (find_reg): Rename ALLOCNO to NUM.
14534 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
14535 references updated.
14536 (may_move_out_cost): New variable.
14537 (init_reg_sets_1): Initialize may_move_out_cost.
14538 (record_reg_classes): Use may_move_out_cost.
14540 * regclass.c (dump_regclass): New function.
14541 (regclass): New parameter DUMP, call DUMP_REGCLASS.
14542 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
14543 pass rtl_dump_file to regclass.
14544 * rtl.h (regclass): Update prototype.
14546 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14548 * i386.md (neg, not and abs patterns): Revmap to use
14549 ix86_expand_unary_operator and ix86_unary_operator_ok.
14550 (add?f and sub?f expanders): Force operand 1 to register.
14551 * i386.c (ix86_expand_unary_operator): Rewrite.
14552 (ix86_unary_operator_ok): Ensure that memory operands
14554 (ix86_binary_operator_ok): Do not allow operand 1 to
14555 come into memory and operand 0 not.
14556 (ix86_expand_binary_operator): Ensure that
14557 src1 is not non-matching memory.
14559 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
14560 to support integer registers and memory.
14561 (abss?2_integer): Likewise.
14563 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
14564 (REG_CLASS_NAMES): Likewise.
14565 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
14567 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
14568 (movsf): Likewise; unify 4th and 5th alternative.
14569 (pushdf): Likewise.
14570 (movdf_1): Likewise; rename to movdf_integer.
14571 (pushxf): Likewise; rename to pushxf_integer; fix output template;
14572 remove redundant splitter.
14573 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
14574 (movdf_nointeger): New.
14575 (movxf_nointeger): New.
14576 (pushxf_nointeger): New.
14578 * i386.md (extend?f?f): Split to expander and pattern, refuse two
14579 memory operands in patterns.
14580 (fop*): Refuse two memory operands.
14582 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
14583 on !TARGET_USE_CLTD CPUs.
14585 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
14587 * extend.texi: Document C++ restricted pointers and references.
14589 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
14591 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
14592 (invalidate_skipped_set): Call it unconditionally.
14593 (cse_set_around_loop): Likewise.
14595 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14597 * rtl.texi (mem): Add documentation for alias-set argument
14600 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14602 * i386.h (struct_processor_costs): New fields int_load, int_store,
14603 fp_move, fp_load and fp_store
14604 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
14606 (MEMORY_MOVE_COST): New macro.
14607 * i386.c (386_cost): Define new fields.
14608 (i486_cost): Likewise.
14609 (pentium_cost): Likewise.
14610 (pentiumpro_cost): Likewise.
14611 (k6_cost): Likewise.
14613 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
14614 Geoffrey Keating <geoffk@cygnus.com>
14616 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
14618 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
14621 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
14622 (TARGET_STRICT_ALIGNMENT): New macro.
14623 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
14624 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
14625 * invoke.texi (M680x0 Options): Document -mstrict-align.
14627 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
14628 Richard Henderson <rth@cygnus.com>
14630 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
14631 (ix86_split_long_move): Declare.
14632 * i386.c (split_xf, ix86_split_movdi): Remove.
14633 (ix86_split_to_parts, ix86_split_long_move): New.
14634 * i386.md (dimode move splitters): Use ix86_split_long_move.
14635 (dfmode move splitters): Likewise.
14636 (xfmode move splitters): Likewise.
14637 (movsf_1): Allow F->r.
14638 (movdf_1, movxf_1): Allow F->ro.
14640 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14642 * except.h (struct eh_entry): Add goto_entry_p.
14643 (eh_region_from_symbol): Remove prototype.
14644 * except.c (find_func_region_from_symbol): New function.
14645 (emit_cleanup_handler): Likewise.
14646 (eh_region_from_symbol): Make it static.
14647 (add_new_handler): Verify the argument.
14648 (find_func_region): Update comment.
14649 (expand_eh_region_end): Expand handlers here, rater than waiting
14650 until expand_leftover_cleanups or start_all_catch.
14651 (expand_leftover_cleanups): Don't expand here.
14652 (expand_start_all_catch): Or here.
14653 (expand_rethrow): Check the return value from find_func_region.
14654 * function.c (expand_function_end): Emit the catch_clauses.
14656 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
14658 * integrate.c (expand_inline_function): Add necessary check for NULL.
14660 1999-11-18 Nick Clifton <nickc@cygnus.com>
14662 * toplev.c (main): Correctly detect an unrecognised option.
14664 * cppinit.c (cpp_handle_option): Do not claim to have consumed
14665 a -f option if it has not been recognised.
14667 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
14669 * basic-block.h (update_life_extent): Remove trailing comma on
14670 enumeration type list.
14672 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14674 * varasm.c (output_constructor) Solved problem with long long
14675 bitfields. Corrected calculating this_time and shift. Also
14676 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
14678 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
14680 * flow.c (split_edge): Take looping structure into account when
14681 determining where to put the new block note.
14683 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
14685 * Makefile.in (ggc-none.o): Provide host specific version if
14688 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
14690 * cse.c (delete_trivially_dead_insns): Identify no-op insns
14691 containing subregs too.
14693 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14695 * invoke.texi: Add documentation for -muninit-const-in-rodata.
14696 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
14697 (TARGET_UNINIT_CONST_IN_RODATA): Define.
14698 (text_section): Add switches -munint-const-in-rodata and
14699 -mno-uninit-const-in-rodata.
14700 (ASM_OUTPUT_COMMON): Remove.
14701 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
14702 const objects should be placed in read-only data. Otherwise declare
14705 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
14707 * jump.c (jump_optimize_1): Revert last change.
14709 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
14711 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
14712 test if optimizing for size.
14714 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14716 * Makefile.in (toplev.o): Depend on except.h.
14717 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
14719 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14721 * i386.md (divmodsi4): Rewrite to expander.
14722 (*divmodsi4_nocltd): New.
14723 (*divmodsi4_cltd): New.
14724 (divmodsi4 splitter): Handle the case when input comes in edx.
14725 (udivmodhi4): Do not use constraints in exander.
14726 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
14728 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
14730 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
14731 for the common case.
14733 1999-11-16 Jakub Jelinek <jakub@redhat.com>
14735 * explow.c (hard_function_value): Add outgoing argument.
14736 * expr.h (hard_function_value): Declare it.
14737 * calls.c (expand_call, emit_library_call_value): Update callers.
14738 * function.c (aggregate_value_p): Ditto.
14739 (diddle_return_value): Must look at the outgoing registers
14740 on archs with register windows.
14742 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
14744 * alpha.c (alpha_build_va_list): Use make_lang_type and
14745 initialize TYPE_NAME for the va_list record.
14747 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
14749 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
14751 * ggc.h (struct ggc_statistics): Rearrange elements for better
14752 packing on 64-bit hosts.
14753 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
14754 (compute_nearerout): Likewise.
14756 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
14758 * config/rs6000/rs6000.c (first_reg_to_save): Save
14759 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
14761 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
14763 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
14764 notion of nesting to find the DIE for a type or function.
14765 DIEs can go in limbo even if we got a context_die.
14766 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
14767 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
14769 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
14770 (gen_type_die): Writing out the context doesn't cause member class
14771 template instantiations to be written out as well.
14773 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
14775 * rs6000.h (ASM_OUTPUT_DEF): New.
14776 Based on proposed addition from David Edelsohn.
14778 1999-11-15 Robert Lipe <RobertLipe@usa.net>
14779 Bruce Korb <autogen@linuxbox.com>
14781 * fixinc/inclhack.def
14782 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
14783 (unixware7_byteorder_fix): added. Removes conflicts for new defs
14785 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
14786 (svr4_endian): enabled with SVR5
14787 (svr4_mkdev): simplified syntax and enabled with SVR5
14789 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
14791 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
14792 * configure: Rebuilt.
14793 * config/t-freebsd-thread: New file.
14795 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
14797 * i386.c (ix86_decompose_address): Verify the base is a REG
14798 before trying to examine its register number.
14800 * basic-block.h: Remove all #defines and prototypes related to
14802 (free_bb_mem, compute_preds_succs): Remove prototype.
14803 * rtl.h (free_bb_mem): Remove prototype.
14804 * flow.c (alloc_int_list_node); Remove function.
14805 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
14806 (compute_preds_succs, free_bb_mem): Likewise.
14807 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
14808 * toplev.c (rest_of_compilation): Likewise.
14809 * haifa-sched.c (build_control_flow): Use flow generated edge
14810 list to build the haifa specific edge list.
14811 (find_rgns): Use new CFG data structures instead of pred/succ lists.
14812 (schedule_insns): Do not build pred/succ lists anymore. Instead
14813 build the edge table.
14815 * basic-block.h (dump_bb_data): Remove declaration.
14816 * flow.c (dump_bb_data): Remove function.
14817 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
14818 (sbitmap_union_of_predsucc): Likewise.
14820 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
14821 argument. All callers changed.
14822 (delete_null_pointer_checks_1): No longer need to compute the
14825 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
14826 All callers changed.
14827 (pre_expr_reaches_here_p_work): Likewise.
14828 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
14829 * lcm.c (compute_laterin): Fix initialization of LATER.
14830 (compute_nearerout): Similarly for NEARER.
14832 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14834 * cse.c (set_nonvarying_address_components): Delete unused function.
14835 (refers_to_p): Likewise.
14837 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
14839 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
14842 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14844 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
14845 definition in do while (0).
14847 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
14849 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
14851 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
14853 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
14855 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
14857 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
14858 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
14859 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
14860 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
14862 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
14863 saved on the stack. Output more accurate stack frame statistics
14864 into assembler file.
14866 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
14868 * genextract.c (record_insn_name): New function.
14869 (get_insn_name): No longer a stub.
14870 (main): Call record_insn_name for each insn. After each label
14871 written, print the insn name in a comment.
14873 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14875 * output.h (const_section, init_section, fini_section): Add
14878 * alpha/elf.h (const_section): Delete declaration.
14880 * svr4.h (const_section): Likewise.
14882 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
14884 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
14885 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
14886 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
14888 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
14889 variable-sized array bounds.
14891 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
14893 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
14896 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14898 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
14899 addresses the same way GO_IF_LEGITIMATE_INDEX does.
14901 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14903 * cse.c (hash_arg_in_struct): Delete.
14904 (struct table_elt): Delete elt in_struct.
14905 (struct set): Delete elt src_in_struct.
14906 (merge_equiv_classes): Don't set either hash_arg_in_struct or
14907 the corresponding in_struct elts.
14908 (canon_hash): Likewise.
14909 (safe_hash): Likewise.
14910 (find_best_addr): Likewise.
14911 (record_jump_cond): Likewise.
14912 (cse_insn): Likewise.
14914 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
14916 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
14918 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
14921 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
14923 * function.c (diddle_return_value): Put back check that the DECL_RTL
14924 for the function is a register.
14926 * function.c (diddle_return_value): Use hard_function_value to
14927 get an rtx suitable for use in the USE/CLOBBER insn.
14929 * global.c (global_conflicts): Update comments.
14930 (record_conflicts): No need to record conflicts between pseudos here.
14932 1999-11-11 Bruce Korb <autogen@linuxbox.com>
14934 * fixinc/fixincl.c: Added verbose levels for status messages
14936 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14938 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
14939 operand as argument to expand_and or expand_binop.
14941 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
14943 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
14944 gcc_add_string_root.
14946 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
14948 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
14950 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
14952 * flow.c (compute_flow_dominators): Initially put all blocks on
14954 * lcm.c (compute_antinout_edge, compute_available): Similarly.
14955 * gcse.c (compute_cprop_avinout): Remove.
14956 (compute_cprop_data): Use compute_available.
14957 (delete_null_pointer_checks_1): Use compute_available.
14959 * basic-block.h (compute_available): Returns a void now.
14960 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
14961 to return a value anymore.
14962 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
14963 worklists. Fix boundary cases. Compute maximal solutions.
14964 (compute_laterin, compute_nearerout): Similarly.
14966 * dwarf2out.c (add_AT_location_description): Allow
14967 (mem (plus (pseudo) (...)) too.
14969 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
14971 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
14973 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
14974 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14976 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
14978 * gansidecl.h: Likewise.
14984 * toplev.h: Likewise.
14986 * tree.c: Likewise.
14988 * tree.h: Likewise.
14990 * varray.c: Likewise.
14992 * varray.h: Likewise.
14994 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
14996 * gcov.c (struct arcdata): Add hits and total, remove prob.
14997 (output_branch_counts): New.
14998 (process_args): Set output_branch_counts if -c.
14999 (calculate_branch_probs): Store hits and total instead of
15001 (output_data): Emit counts if output_branch_counts is true.
15002 * gcov.texi (Invoking Gcov): Document -c switch..
15004 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
15006 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
15007 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
15009 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
15011 * invoke.texi (C Dialect Options): Add missing builtins from
15012 c-common.c to list.
15013 * extend.texi (Other Builtins): Copy to this list.
15015 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15017 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
15018 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
15019 redundant bitmap.h.
15021 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
15023 * flow.c (compute_flow_dominators): No longer treat basic block 0
15024 or (n_basic_blocks - 1) specially. Clear the AUX field before
15025 starting computation of doms/pdoms. Fix initial state for pdoms.
15027 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15029 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
15030 match rtl.o's: added ggc.h and toplev.h
15031 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
15032 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
15033 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
15035 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
15037 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
15038 from HAVE_DOS_BASED_FILESYSTEM.
15039 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
15040 HAVE_DOS_BASED_FILESYSTEM.
15042 (split_directories): Only special-case DOS file names if
15043 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
15044 instead of explicit tests. Conditionalize on !VMS.
15045 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
15046 tests. Conditionalize on !VMS.
15047 (process_command): Only use make_relative_prefix if !VMS.
15048 (free_split_directories): Conditionalize on !VMS.
15049 (DIR_UP): Conditionalize on !VMS.
15051 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
15053 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
15055 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
15057 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
15060 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
15062 * invoke.texi (Environment Variables): Document relative path
15064 * gcc.c (DIR_UP): If not defined, define as "..".
15065 (standard_bindir_prefix): New static, holds target location to
15067 (split_directories): New function to split a filename into
15068 component directories.
15069 (free_split_directories): New function, release memory allocated
15070 by split_directories.
15071 (make_relative_prefix): New function, make a relative pathname if
15072 the compiler is not in the expected location.
15073 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
15074 can figure out an appropriate prefix from argv[0].
15075 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
15076 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
15077 STANDARD_BINDIR_PREFIX.
15079 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15081 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
15083 * config/c4x/c4x.h: Moved prototypes to c4x.h.
15084 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
15085 c4x_secondary_memory_needed) Delete.
15086 (fp_zero_operand): Add mode argument.
15088 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
15090 * reload1.c (reload_reg_free_for_value_p): Don't use a register
15091 that is in reload_reg_used.
15093 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
15095 * config/arm/arm-protos.h: New file: Prototypes for functions
15096 defined in arm.c and pe.c.
15097 * config/arm/arm.h: Fix compile time warnings.
15098 * config/arm/arm.c: Fix compile time warnings.
15099 * config/arm/pe.h: Fix compile time warnings.
15100 * config/arm/aout.h: Fix compile time warnings.
15102 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
15104 * config/m32r/m32r-protos.h: New file: Prototypes for functions
15107 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
15108 Add support for subtargets.
15109 Add prototypes for new predicates.
15110 Add scheduling macros.
15112 * config/m32r/m32r.c: Fix compile time warnings.
15113 (int8_operand): New predicate function.
15114 (reg_or_cmp_int16_operand): New predicate function.
15115 (extend_operand): New predicate function.
15116 (m32r_adjust_code): New scheduling function.
15117 (m32r_adjust_priorty): New scheduling function.
15118 (m32r_sched_init): New scheduling function.
15119 (m32r_sched_reorder): New scheduling function.
15120 (m32r_sched_variable_issue): New scheduling function.
15121 (direct_return): New codegen function.
15122 (m32r_not_same_reg): New rtl testsing function.
15124 * config/m32r/m32r.md: Fix compile time warnings.
15125 Add support for pre decrement and post increment memory
15127 Add S<cc> patterns.
15130 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15132 * global.c (EXECUTE_IF_CONFLICT): Don't define.
15133 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
15134 (find_reg): Likewise.
15136 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
15138 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
15139 to avoid assembler errors.
15141 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
15143 * config/v850/v850-protos.h: New file: Prototypes for functions
15145 * config/v850/v850.h: Move prototypes to v850-protos.h
15146 * config/v850/v850.c: Move prototypes to v850-protos.h
15147 * config/v850/v850.md: Fix compile time warnings.
15149 * config/fr30/fr30-protos.h: New file: Prototypes for functions
15151 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
15152 * config/fr30/fr30.c: Fix compile time warnings.
15153 * config/fr30/fr30.md: Fix compile time warnings.
15155 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
15157 * tree.h (get_containing_scope): Declare it.
15158 * tree.c (get_containing_scope): New fucntion.
15159 (decl_function_context): Use it.
15160 * toplev.c (rest_of_compilation): Use get_containing_scope.
15162 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15164 * Makefile.in (rtl.o): Depend on toplev.h.
15166 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
15168 * cse.c (delete_trivially_dead_insns): Replace alloca with
15170 * except.c (update_rethrow_references): Likewise.
15171 (init_eh_nesting_info): Likewise.
15172 * function.c (identify_blocks): Likewise.
15173 * gcse.c (dump_hash_table): Likewise.
15174 * graph.c (print_rtl_graph_with_bb): Likewise.
15175 * loop.c (combine_movables): Likewise.
15176 (move_movables): Likewise.
15177 (count_loop_regs_set): Likewise.
15178 (strength_reduce): Likewise.
15179 * profile.c (compute_branch_probabilities): New function, split
15181 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
15182 * regclass.c (regclass): Likewise.
15183 * regmove.c (regmove_optimize): Likewise.
15184 * toplev.c (compile_file): Likewise.
15185 (main): Don't mess with the stack rlimit.
15187 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
15189 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
15190 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
15192 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
15194 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
15196 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
15198 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
15199 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
15202 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
15204 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
15206 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
15208 * gcse.c (post_dominators): Kill.
15209 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
15210 (compute_code_hoist_data): Use compute_flow_dominators. Do not
15211 pass in a pdom array since we do not need pdoms.
15212 * haifa-sched.c (schedule_insns): Similarly.
15213 * flow.c (compute_dominators): Remove dead function.
15214 (compute_flow_dominators): Do not compute doms or pdoms if the
15215 caller does not request them. Split up loop to build doms and
15216 pdoms. Use a worklist to compute doms and pdoms.
15217 * basic-block.h (compute_dominators): Remove prototype.
15219 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
15221 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
15222 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
15223 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
15224 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
15225 (cant_move, fed_by_spec_load, is_load_insn): Remove.
15226 (schedule_region): Remove unused variable.
15227 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
15229 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
15231 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
15232 (update_equiv_regs): Likewise.
15233 (block_alloc): Likewise.
15234 * reg-stack.c (reg_to_stack): Likewise.
15235 (convert_regs_2): Likewise.
15236 * reload1.c (reload_as_needed): Likewise.
15238 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
15240 * Makefile.in (dbxout.o): Depend on ggc.h.
15241 (dwarf2out.o): Likewise.
15242 (xcoffout.o): Likewise.
15243 * dbxout.c: Include ggc.h.
15244 (dbxout_init): Register lastfile as a root.
15245 * dwarf2out.c: Include ggc.h.
15246 (dwarf2out_line): Register lastfile as a root.
15247 * xcoffout.c: Include ggc.h.
15248 (xcoffout_source_line): Register xcoff_lastfile as a root.
15250 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
15252 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
15254 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
15256 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
15258 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
15260 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15262 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
15263 (EXECUTE_IF_CONFLICT): Likewise.
15264 (ALLOCNO_LIVE_P): Avoid signed division.
15265 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
15266 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
15267 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
15269 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
15271 * haifa-sched.c (schedule_block): Don't crash if there's no
15272 next insn for an interblock movement.
15273 (add_branch_dependences): Don't allow clobber insns to move either.
15275 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
15277 * i386.c (split_xf): New.
15278 * i386-protos.h: Declare it.
15279 * i386.md (movxf_1): Add general regs alternatives.
15280 (movxf_1+1): New splitter for same.
15282 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
15284 * function.c (purge_addressof_1): Add missing return values.
15286 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
15288 * function.c (is_addressof): New function. Returns true if
15289 the given piece of RTL is an ADDRESSOF.
15290 (purge_addressof_1): Make boolean. Return false if the
15291 ADDRESSOFs could not be purged.
15292 (purge_addressof): If ADDRESSOFs could not be purged from the
15293 notes attached to an insn, remove the offending note(s),
15294 unless they are attached to a libcall.
15296 1999-11-05 Andreas Jaeger <aj@suse.de>
15298 * genoutput.c (null_operand =): Initialize all fields.
15300 * errors.h: Add extern to prototypes.
15302 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
15304 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
15305 * configure: Rebuilt.
15307 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15309 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
15310 (mirror_conflicts): New function.
15311 (global_alloc): Call it.
15312 (expand_preferences): Remove redundant CONFLICTP test.
15313 (find_reg, dump_conflicts): Likewise.
15314 (prune_preferences): Process conflicts one word at a time.
15316 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
15318 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
15319 instead of an explicit loop.
15321 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
15323 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
15324 if REG_RETVAL check succeeds, then put classp in src_elt.
15326 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
15328 * function.c (pad_to_arg_alignment): Only update argument_pad
15329 if the argument's alignment is greater than STACK_BOUNDARY.
15331 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
15333 * bitmap.h (BITMAP_XFREE): New.
15334 * flow.c (life_analysis): Use it.
15335 (life_analysis_1): Free blocks.
15337 * combine.c (undo_commit): New.
15338 (try_combine): Use it. Don't zap undobuf.undos.
15339 (combine_instructions): Don't zap undobuf.undos; free the
15340 undobuf.frees list.
15342 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
15344 * stmt.c (cost_table_): New.
15345 (estimate_case_costs): Use it instead of xmalloc.
15347 * toplev.c (compile_file): Reuse dumpname memory instead
15350 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
15352 * reg-stack.c (convert_regs_1): Initialize target_stack->top
15353 after verifying an EH edge.
15355 * haifa-sched.c (init_rgn_data_dependences): Correctly
15356 size bb_pending_lists_length when zeroing.
15358 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
15360 * function.c (diddle_return_value): New.
15361 (expand_function_end): Use it.
15362 * stmt.c (expand_null_return): Likewise.
15363 (expand_value_return): Likewise.
15365 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
15367 * reload1.c (reload): Don't remove return value clobbers.
15369 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
15371 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
15373 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
15375 * cse.c (cse_main): Use xmalloc, not alloca.
15376 (cse_basic_block): Likewise.
15377 * local-alloc.c (local_alloc): Likewise.
15379 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
15380 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15382 * rtl.c: Include toplev.h.
15383 (fatal): Remove declaration.
15385 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
15387 * haifa-sched.c (schedule_block): Fix thinko.
15389 1999-11-03 James McKelvey <mckelvey@fafnir.com>
15391 * fixinc/fixincl.c(create_file): Allow for systems that do not have
15392 S_IR* defined values
15394 1999-11-03 Philippe De Muyter <phdm@macqel.be>
15396 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
15397 call `malloc' instead.
15399 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
15401 * flags.h (flag_renumber_insns): Declare.
15402 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
15404 * rtl.h (renumber_insns): Change prototype.
15405 * toplev.c (flag_renumber_insns): Define.
15406 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
15408 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
15410 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
15411 and fpsqrtd. Use them and create fdiv function unit to more
15412 accurately represent fpu sqrt pipeline semantics on UltraSparc.
15413 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
15415 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
15417 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
15419 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
15420 insn into ready list, do not use just a raw swap.
15422 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
15424 * rtl.h (renumber_insns): New function.
15425 (remove_unnecessary_notes): Likewise.
15426 * emit-rtl.c (renumber_insns): Define.
15427 (remove_unncessary_notes): Likewise.
15428 * toplev.c (rest_of_compilation): Remove dead code.
15429 Use renumber_insns and remove_unncessary_notes.
15431 * gcse.c (struct null_pointer_info): New type.
15432 (get_bitmap_width): New function.
15433 (current_block): Remove.
15434 (nonnull_local): Likewise.
15435 (nonnull_killed): Likewise.
15436 (invalidate_nonnull_info): Take a null_pointer_info as input.
15437 (delete_null_pointer_checks_1): New function.
15438 (delete_null_pointer_checks): Use it.
15440 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
15441 (split_edges): Likewise.
15442 (schedule_block): Likewise.
15443 (compute_block_backward_dependencies): Likewise.
15444 (schedule_region): Likewise.
15445 (schedule_insns): Likewise.
15447 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
15449 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
15450 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
15451 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
15452 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
15453 * jump.c (delete_unreferenced_labels): Don't delete if
15454 LABEL_ALTERNATE_NAME is set.
15455 * print-rtl.c (print_rtx): Dump alternate name.
15456 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
15457 * rtl.h (LABEL_ALTERNATE_NAME): Define.
15458 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
15459 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
15461 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15463 * fix-header.c (recognized_extern, recognized_function): Constify
15466 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
15467 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15468 (compute_available): Remove unused variable `last'.
15469 (compute_nearerout): Remove unused variable `temp_bitmap'.
15470 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15471 Remove unused variable `x'.
15473 * scan.h (recognized_function, recognized_extern): Constify a
15476 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
15478 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15480 * varasm.c (decode_rtx_const): Use XSTR to access the string
15483 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
15485 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
15487 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15489 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
15491 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
15493 * pa.c (ireg_operand): New function.
15494 * pa.h (PREDICATE_CODES): Handle ireg_operand.
15495 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
15496 Fix out of date comment.
15498 * pa.md (negdi2): Turn into expander + anonymous pattern.
15500 * reload.c (find_reloads): Fix typos in recent change.
15502 * dwarf2out.c: Do not include ctype.h.
15504 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15506 * regclass.c (record_reg_classes): Always use may_move_cost when
15507 seeing how operand fits with various register classes.
15509 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
15511 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
15512 * toplev.c: Revert Nov 1 13:22 change.
15514 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
15516 * config/pa/pa.md (height reduction patterns): Add checks for
15517 overlapping operands to avoid semantic-destroying splits for
15518 height reduction patterns.
15520 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15522 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
15523 have been an hyphen, fixed.
15524 * configure: Rebuilt.
15526 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
15528 * config/arm/tpe.h: Add prototypes for exported functions.
15529 * config/arm/pe.c: Fix compile time warnings.
15530 * config/arm/semi.h: Fix compile time warnings.
15531 * config/arm/arm.c: Fix compile time warnings.
15532 * config/arm/arm.h: Fix compile time warnings.
15533 * config/arm/arm.md: Fix compile time warnings.
15534 * config/arm/thumb.c: Fix compile time warnings.
15535 * config/arm/thumb.h: Fix compile time warnings.
15536 * config/arm/thumb.md: Fix compile time warnings.
15538 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
15540 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
15543 * unroll.c (unroll_loop): Remove LOOP notes when loop is
15544 completely unrolled.
15546 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15548 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
15550 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
15552 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
15553 * rtl.h (rtx_equal_p): Move prototype.
15554 * rtl.c (rtx_equal_function_value_matters): Move from
15556 (rtx_equal_p): Likewise.
15557 * rtlanal.c (rtx_equal_function_value_matters): Delete.
15558 (rtx_equal_p): Likewise.
15560 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
15562 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
15563 ! HAS_INIT_SECTION.
15565 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
15567 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
15569 * pa.h (ADDR_VEC_ALIGN): Define.
15571 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
15572 notes when presented with "if (foo) break; end_of_loop" and
15573 the break sequence gets moved out of the loop.
15575 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
15576 Remove explicit zero initializations of entries within MAP.
15578 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
15580 * reg-stack.c (convert_regs_1): Handle EH edges specially.
15582 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
15584 * bitmap.h (BITMAP_XMALLOC): New macro.
15585 * flow.c (CLEAN_ALLOCA): Remove.
15586 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
15587 (life_analysis): Likewise.
15588 (update_life_info): Don't use CLEAN_ALLOCA.
15589 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
15590 (calculate_global_regs_live): Likewise.
15591 (print_rtl_with_bb): Likewise.
15592 (verify_flow_info): Likewise.
15593 * global.c (global_alloc): Likewise.
15594 (global_conflicts): Likewise.
15595 * integrate.c (save_for_inline_nocopy): Likewise.
15596 (expand_inline_function): Likewise.
15597 * jump.c (jump_optimize_1): Likewise.
15598 (duplicate_loop_exit_test): Likewise.
15599 (thread_jumps): Likewise.
15600 * loop.c (loop_optimize): Likewise.
15601 (combine_givs): Likewise.
15602 (recombine_givs): Likewise.
15603 * reorg.c (dbr_schedule): Likewise.
15604 * unroll.c (unroll_loop): Likewise.
15606 * combine.c (combine_instructions): Use xmalloc instead of alloca.
15608 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
15610 * toplev.c (rest_of_compilation): Don't optimize the CFG
15611 when rebuilding, just before dbr.
15613 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15615 * output.h (assemble_end_function, assemble_destructor,
15616 assemble_constructor, assemble_gc_entry, assemble_global,
15617 assemble_label, output_constant_pool) Constify a char*.
15619 * varasm.c (assemble_destructor, assemble_constructor,
15620 assemble_gc_entry, assemble_end_function, assemble_global,
15621 assemble_label, output_constant_pool): Likewise.
15623 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
15625 * config/arm/thumb.c (thumb_expand_prologue): Add comments
15626 explaining what is goin on in this function.
15628 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15630 * regclass.c (record_reg_classes): In matching case, recompute
15631 costs since the direction of movement is different.
15633 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
15635 * resource.c (mark_target_live_regs): For unconditional branches,
15636 the resources found at the branch target should be added to the
15637 resources found so far, not intersected.
15639 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
15641 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
15643 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
15644 (sys/mman.h): Include this file only if #HAVE_MMAP.
15645 (run_compiles): Initialize `esac_fmt' with one old KR string, not
15646 with automatically concatenated ANSI strings.
15648 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
15650 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
15651 (DIV_ROUND_UP): Robustify.
15652 (ggc_recalculate_in_use_p): New function.
15653 (release_pages): Don't inline it.
15654 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
15656 (ggc_pop_context): Use ggc_recalculate_in_use_p.
15657 (clear_marks): Always save in_use_p.
15658 (sweep_pages): Use ggc_recalculate_in_use_p.
15659 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
15660 Release pages before counting statistics.
15662 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
15664 * toplev.c (rest_of_compilation): Fix thinko in this change:
15666 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15668 (rest_of_compilation): If inside an inlined external function,
15669 pretend we are just being declared.
15671 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
15673 * flow.c (calculate_global_regs_live): Fix thinko.
15675 * integrate.c (expand_inline_function): Fix bugs in previous
15676 change from Oct 28, 1999.
15678 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
15680 * stmt.c (expand_value_return): Fix typo in this change:
15682 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15683 (expand_value_return): Correctly convert VAL when promoting function
15684 return; support RETURN_REG being a PARALLEL.
15686 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
15688 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
15690 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15692 * hard-reg-set.h (reg_names): Constify a char*.
15694 * regclass.c (reg_names): Likewise.
15696 * regs.h (reg_names): Likewise
15698 * a29k/a29k.c (reg_names): Delete declaration.
15700 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
15702 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
15703 arc_output_function_epilogue): Likewise.
15705 * elxsi/elxsi.c (reg_names): Likewise.
15707 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
15709 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
15712 * m88k/m88k.c (output_function_profiler): Likewise.
15714 * sparc/sparc.c (sparc_flat_output_function_prologue,
15715 sparc_flat_output_function_epilogue): Likewise.
15717 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
15719 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
15720 warning from -Wuninitialized and put it under -W.
15721 * function.c (uninitialized_vars_warning): Warn only when the
15722 corresponding flag is set.
15724 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
15726 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
15727 is nonzero and the single set does not have an elt, then assign
15730 * simplify-rtx.c: New file.
15731 * Makefile.in (OBJS): Add simplify-rtx.o
15732 (simplify-rtx.o): Add dependencies.
15733 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
15734 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
15735 (cse_gen_binary, simplify_unary_operation): Delete.
15736 (simplify_binary_operation, simplify_plus_minus): Likewise.
15737 (check_fold_consts, simplify_relation_operation): Likewise.
15738 (simplify_ternary_operation): Likewise.
15739 (delete_trivially_dead_insns): Simplify the contents of the
15740 REG_EQUAL note before trying to substitute it into the source
15741 of the reg-reg copy at the end of a libcall sequence.
15743 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
15744 references/callers changed.
15746 * mn10200.c (mn10200_va_arg): Force the return value into a
15749 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
15751 * cccp.c (macroexpand): Avoid out of range accesses for omitted
15754 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
15756 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
15758 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
15760 * fold-const.c (fold): Fix thinko when optimizing comparisons
15763 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
15765 * gcc.texi (Passes): Update front-end files to their current
15768 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
15770 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
15771 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
15772 (PREDICATE_CODES): Add addition_operation.
15773 * alpha-protos.h (addition_operation): Declare.
15774 (secondary_reload_class): Likewise.
15775 * alpha.c (addition_operation): New.
15776 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
15777 * alpha.md (adddi3): Turn into expander.
15778 (*lda, *adddi_2): New.
15779 (movsf, movdf patterns): Don't preference integer regs.
15780 (movsi, movdi patterns): Don't preference fp regs.
15782 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
15784 * genrecog.c (write_switch): Check for duplicate CODE cases.
15786 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
15788 * ggc-common.c: Update pre-function commentary.
15789 * ggc-page.c: Likewise.
15791 (poison_pages): Use memset directly.
15792 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
15793 (ggc_collect): Poison before sweeping.
15794 * ggc-simple.c: Update pre-function commentary.
15795 (ggc_alloc_obj): Poison non-zeroed memory.
15797 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
15799 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
15800 match format string, even on 64-bit hosts.
15801 * gcc-page.c (ggc_page_print_statistics): Likewise.
15803 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
15805 * config/i386/i386.c (ix86_cpu): Revert last patch.
15806 * config/i386/i386.h (ix86_cpu): Ditto.
15808 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
15810 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
15811 TYPE_SIZE, convert type of result to sizetype.
15813 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
15815 * flow.c (count_or_remove_death_notes): Equate NULL with the
15818 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
15819 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
15822 * i386.c (pic_label_no): Delete.
15823 (ix86_attr_length_default): Don't use single_set to peek
15826 * recog.c (peephole2_optimize): Allow recog_next_insn to index
15827 the first insn after bb->end.
15828 * i386.md (push mem peeps): Scratch is live after evaluation
15830 (cmp mem peep): Similarly.
15832 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
15834 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
15835 * function.c (pad_to_arg_alignment): Add missing braces.
15837 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15839 * alpha/alpha-protos.h (literal_section): Add prototype.
15840 (alpha_need_linkage, alpha_start_function,alpha_end_function):
15843 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
15845 (alpha_start_function, alpha_end_function, float_strings,
15846 alpha_need_linkage): Constify a char*
15848 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
15850 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
15852 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
15854 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
15856 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15858 * flow.c (debug_flow_info): Add prototype.
15860 * gcc.c (main): Likewise.
15862 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
15865 * reload1.c (failed_reload, set_reload_reg): Likewise.
15867 * mips-tfile.c (main): Likewise.
15868 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
15869 with ATTRIBUTE_NORETURN.
15871 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
15873 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
15874 DECL is not a memory ref.
15876 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
15878 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
15879 * config/i386/i386.c (ix86_cpu): Add extern attribute.
15881 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
15883 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
15884 * config/mips/elf64.h: ditto.
15886 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
15888 * expr.c (emit_push_insn): New argument alignment_pad.
15889 Update all callers. Adjust stack pointer based on alignment pad.
15890 * function.c (pad_to_arg_alignment): New argument alignment_pad.
15891 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
15892 (locate_and_pad_parm): New argument alignment_pad. Update all
15894 * expr.h (emit_push_insn): Update prototype.
15895 (locate_and_pad_parm): Update prototype.
15896 * calls.c (arg_data): Add new field alignment_pad.
15897 (initialize_argument_information): Initialize alignment_pad.
15899 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
15901 * except.c (free_eh_nesting_info): Free the info itself.
15902 * function.c (free_after_compilation): Don't free NULL.
15903 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
15904 (pre_edge_insert): Free inserted.
15905 * stmt.c (free_stmt_status): Don't free NULL.
15907 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15909 * gcov.c (DIR_SEPARATOR): Provide default.
15910 (output_data): Add test for MS-DOS format absolute filename.
15911 (fancy_abort): Correct program name.
15912 (open_files): Open all files in binary mode.
15913 * libgcc2.c (__bb_exit_func): Likewise.
15915 * profile.c (init_branch_prob): Specify binary when opening files.
15917 * flags.h (flag_unwind_tables): New decl.
15918 * toplev.c (flag_unwind_table): New definition.
15919 (f_options): Add -funwind-tables.
15920 (decode_g_option): Clarify warning when unknown -g option is given.
15921 (rest_of_compilation): If inside an inlined external function,
15922 pretend we are just being declared.
15924 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
15925 (dwarf2out_frame_finish): Likewise.
15927 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
15929 * fold-const.c (merge_ranges): If not in0, but in1, handle
15930 upper bounds equal like subset case.
15932 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
15934 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
15935 passed in a register but moved to the stack.
15937 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
15939 * gcc.c (pass_exit_codes, greatest_status): New variables.
15940 (struct option_map): Add entry for "--pass-exit-codes".
15941 (execute): Update greatest_status if error.
15942 (display_help): Add documentation for -pass-exit-codes.
15943 (process_command): Handle -pass-exit-codes.
15944 (main): Look at pass_exit_codes and greatest_status on call to exit.
15946 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15948 * reload.c (find_reloads): Refine test for no input reload
15949 case to not includes reloads emitted after insn.
15951 * function.c (find_temp_slots_from_address): Handle sum involving
15952 a register that points to a temp slot.
15953 (update_temp_slot_address): Make recursive call if both old and
15954 new are PLUS with a common operand.
15955 * calls.c (expand_call): Mark temp slot for result as having
15958 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
15960 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
15961 component as well as "BINUTILS".
15963 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
15964 * integrate.c (copy_rtx_and_substitute): Likewise.
15965 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
15966 All callers changed.
15967 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
15969 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
15970 gdb extensions, write size of type; also be more consistent
15971 in using references when this is a subtype.
15973 * pa.md (extv, extzv, insv): Use define_expand to reject constant
15974 that is out of range.
15976 * loop.c (unknown_constant_address_altered): New variable.
15977 (prescan_loop): Initialize it.
15978 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
15979 (invariant_p, case MEM): Remove handling for volatile and readonly;
15980 check new variable if readonly.
15981 (check_dbra_loop): Chdeck unknown_constant_address_altered.
15983 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
15984 (addr_affects_sp_p): Removed from note_mem_written and only
15985 define #ifdef AUTO_INC_DEC.
15987 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
15989 * regclass.c (record_reg_classes): Properly handle register move
15992 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
15993 Don't think valid if both operands are invalid.
15994 (struct constant_descriptor): New field RTL.
15995 (mark_const_hash_entry): Mark it.
15996 (record_constant{,_rtx}): Initialize it.
15997 (output_constant_def): Allocate RTL in permanent obstack and
15999 ({record,compare}_constant_1): Modes must match for
16000 CONSTRUCTOR of ARRAY_TYPE.
16002 * c-common.h (initializer_constant_valid_p): Delete decl from here.
16003 * output.h (initializer_constant_valid_p): Move decl to here.
16004 * c-common.c (initializer_constant_valid_p): Delete function from here.
16005 * varasm.c (initializer_constant_valid_p): Move function to here.
16007 * tree.h (STRIP_SIGN_NOPS): New macro.
16008 * fold-const.c (optimize_minmax_comparison): New function.
16009 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
16010 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
16011 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
16012 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
16013 widening conversions.
16014 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
16015 to look at size of mode, not precision of type; also add missing cases.
16016 (optimize_bit_field_compare, decode_field_reference): Don't try to
16017 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
16019 * dwarf2out.c (ctype.h): Include.
16020 (dwarf2out_set_demangle_name_func): New function.
16021 (size_of_line_info): Deleted.
16022 (output_line_info): Compute size of line info table from difference
16024 (base_type_die, add_name_attribute): Call demangle function, if any.
16025 (field_byte_offset): Use bits per word for variable length fields.
16026 (gen_array_type_die): Add array name.
16027 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
16028 (dwarf2out_add_library_unit_info): New function.
16030 * explow.c (set_stack_check_libfunc): New function.
16031 (stack_check_libfunc): New static variable.
16032 (probe_stack_range): Allow front-end to set up a libfunc to call.
16034 * combine.c (simplify_comparison): When making comparison in wider
16035 mode, check for having commuted an AND and a SUBREG.
16036 (contains_muldiv): New function.
16037 (try_combine): Call it when dividing a PARALLEL.
16038 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
16039 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
16041 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
16042 use one of the CLOBBERs instead.
16043 (if_then_else_cond): If comparing against zero, just return thing
16046 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
16047 Don't generate shifts and subtract if have conditional arithmetic.
16049 * rtl.h (delete_barrier): New declaration.
16050 * jump.c (jump_optimize): Set up to handle conditional call.
16051 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
16052 (delete_barrier): New function.
16054 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
16056 * recog.c (nonmemory_operand): Accept ADDRESSOF.
16058 * tree.c (build_type_attribute_variant): Push to obstack of
16059 ttype around type_hash_canon call.
16061 * expr.c (placeholder_list): Move decl to file scope.
16062 (expand_expr): Don't force access to volatile just because its
16064 If ignoring reference operations, just expand the operands.
16065 (expand_expr, case COMPONENT_REF): Propagate
16066 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
16067 Refine test for using bitfield operations vs pointer punning.
16068 (expand_expr, case CONVERT_EXPR): If converting to
16069 BLKmode UNION_TYPE from BLKmode, just return inner object.
16070 Use proper mode in store_field call.
16071 Properly set sizes of object to store and total size in store_field
16072 call for convert to union.
16073 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
16074 memory (like for ADDR_EXPR). Also, don't put constant in register if
16075 we'll want it in memory.
16076 (readonly_fields_p): New function.
16077 (expand_expr, case INDIRECT_REF): Call it if LHS.
16078 (expand_assignment): Handle a RESULT_DECL where
16079 DECL_RTL is a PARALLEL.
16080 (do_jump, case WITH_RECORD_EXPR): New case.
16081 (get_inner_reference): Always go inside a CONVERT_EXPR
16082 and NOP_EXPR if both modes are the same.
16083 (store_field): Use bitfield operations if size of bitsize is not same
16084 as size of RHS's type.
16085 Check for bitpos not a multiple of alignment in BLKmode case.
16086 Do block move in largest possible alignment.
16087 (store_constructor): Set BITSIZE to -1 for variable size and properly
16088 in case of array of BLKmode.
16089 (expand_expr_unaligned): New function.
16090 (do_compare_and_jump): Call it.
16092 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
16093 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
16094 does not include 'o'.
16096 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
16097 both SET_DEST and SET_SRC reference a virtual register.
16098 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
16100 * integrate.c (expand_inline_function): Handle case of setting
16101 virtual stack vars register (from built in setjmp); when parameter
16102 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
16103 (subst_constant): Add new parm, MEMONLY.
16104 (expand_inline_function, integrate_parm_decls): Pass new parm.
16105 (integrate_decl_tree): Likewise.
16106 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
16107 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
16108 (copy_rtx_and_substitute, case SET): Add explicit calls to
16109 copy_rtx_and_substitute for both sides.
16111 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
16113 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
16114 within INDEX_TYPE, instead of before.
16115 (fixup_gotos): Use f->target_rtl, not the next insn,
16116 since latter may be from a later fixup.
16117 (expand_value_return): Correctly convert VAL when promoting function
16118 return; support RETURN_REG being a PARALLEL.
16119 (expand_return): When checking for result in regs and having
16120 cleanup, consider PARALLEL in DECL_RTL as being in regs.
16122 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
16124 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
16125 last_nominal_fname): Mark const.
16126 (struct include_hash: name, nshort, control_macro): Mark
16128 (struct macrodef: symnam): Mark const.
16129 (struct if_stack: fname): Mark const.
16130 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
16131 (IStable): New character-syntax array which encompasses all
16132 the old is_foo arrays.
16133 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
16134 is_space): New macros for interrogating IStable.
16135 (check_macro_name): Kill last argument. All callers changed.
16137 * cppinit.c (initialize_char_syntax): Delete.
16138 (is_idchar, is_idstart, is_hor_space, is_space,
16139 trigraph_table): Delete.
16140 (IStable): New. Initialize with clever macros to avoid
16141 information duplication.
16142 (builtin_array): Table of builtins to get rid of explicit list
16143 in initialize_builtins.
16144 (initialize_builtins): Use builtins_array.
16145 (cpp_start_read): Call init_IStable, and set IStable['$'] if
16146 opts->dollars_in_ident.
16148 * cppexp.c: Change all refs to is_xyz[] arrays to use new
16150 (cpp_parse_expr): Avoid 'format string is not constant'
16151 warning. Use ISGRAPH to identify printable chars.
16152 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
16154 (read_and_prescan): Map trigraphs to chars with open-coded
16155 if-else-if-... sequence, not a lookup table.
16156 * cpphash.c: Change all refs to is_xyz[] arrays to use new
16158 * cpplib.c: Change all refs to is_xyz[] arrays to use new
16159 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
16160 (check_macro_name): Remove ability to report an invalid
16161 assertion name, which is never used.
16162 (do_line): Constify a couple of char *'s.
16163 * cppmain.c (main): Call cpp_cleanup before returning.
16165 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
16167 * ggc.h (struct ggc_statistics): New type.
16168 (ggc_get_size): New function.
16169 (ggc_print_statistics): Likewise.
16170 * ggc-common.c (ggc_stats): New variable.
16171 (ggc_mark_rtx_children): Keep statistics.
16172 (ggc_mark_tree_children): Likewise.
16173 (ggc_print_statistics): New function.
16174 * ggc-page.c (struct globals): Add bytes_mapped field.
16175 (alloc_anon): Update it.
16176 (release_pages): Likewise.
16177 (ggc_get_size): New function.
16178 (ggc_page_print_statistics): New function.
16179 * ggc-simple.c (ggc_get_size): New function.
16181 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
16183 * flow.c (propagate_block): When the last reference to a label
16184 before an ADDR_VEC is deleted because the reference is a dead
16185 store, delete the ADDR_VEC.
16187 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
16189 * resource.c (find_free_register): Don't use the frame pointer
16190 if frame_pointer_needed.
16192 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
16194 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
16195 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
16197 * config/i960/i960.c (i960_va_start): New locals base, num.
16198 Use INDIRECT_REF instead of ARRAY_REF on valist.
16199 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
16201 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
16203 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
16205 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
16207 * tree.def (PLACEHOLDER_EXPR): Update comments.
16209 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16211 * c-common.c (check_format_info): Avoid non-literal format string
16212 warnings when `first_arg_num' is zero.
16214 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16216 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
16218 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
16220 * arm.md (casesi_insn): Add a clobber of the condition code
16223 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
16225 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
16226 used by both cc1 and cc1plus.
16228 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
16230 * config/arm/arm.c: Initialise arm_structure_size_boundary to
16231 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
16232 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
16233 to the value 32 if it has not already been defined.
16234 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
16235 Override definition in arm.h with a value of 8.
16237 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
16239 * c-pragma.c (push_alignment): Don't check the return value
16242 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
16244 * sparc.h (ADJUST_COST): Fix thinko.
16246 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
16248 * cccp.c (rescan): Fixed obp pointer handling around call to
16249 check_expand subroutine.
16251 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
16253 * gcse.c (delete_null_pointer_checks): Only record non-null info
16254 for pseudos when examining stores.
16256 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
16257 splitters for these patterns. Use "#" for output templates.
16258 (addsi3_carryin_shift): New pattern.
16260 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
16262 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
16263 of the function return register into a plain REG until
16264 after function inlining is done.
16266 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
16268 * jump.c (jump_optimize_1): If we did cross-jumping, and
16269 the data will matter, rebuild the CFG.
16270 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
16271 not optimizing. Don't run shorten_branches.
16272 * toplev.c (rest_of_compilation): Run shorten_branches after
16275 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
16277 * rtl.h (note_stores): Add additional paramter.
16278 * rtlanal.c (reg_set_p_1): Take additional paramter.
16279 (reg_set_last_1): Likewise.
16280 (reg_set_p): Adjust call to note_stores.
16281 (reg_set_last): Likewise.
16282 (note_stores): Pass data parameter to worker function.
16283 * alias.c (record_set): Take additional parameter.
16284 (init_alias_analysis): Pass it.
16285 * caller-save.c (mark_set_regs): Take additional parameter.
16286 (save_call_clobbered_regs): Pass NULL to note_stores.
16287 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
16289 (record_dead_and_set_regs_1): Likewise.
16290 (reg_dead_at_p_1): Likewise.
16291 (combine_instructions): Adjust calls to note_stores.
16292 (try_combine): Likewise.
16293 (record_dead_insn): Remove.
16294 (record_dead_and_set_regs): Adjust calls to note_stores.
16295 (reg_dead_at_p): Likewise.
16296 * cse.c (invalidate_skipped_set): Take additional parameter.
16297 (cse_check_loop_start): Likewise.
16298 (cse_check_loop_start_value): Remove.
16299 (cse_set_around_loop): Adjust calls to note_stores.
16300 * flow.c (notice_stack_pointer_modification): Take additional
16301 parameter. Remove duplicate declaration.
16302 (record_volatile_insns): Adjust calls to note_stores.
16303 * gcse.c (record_set_info): Take additional parameter.
16304 (record_last_set_info): Likewise.
16305 (invalidate_nonnull_info): Likewise.
16306 (record_set_insn): Remove.
16307 (compute_sets): Adjust calls to note_stores.
16308 (last_set_insn): Remove.
16309 (compute_hash_table): Adjust calls to note_stores.
16310 (insert_insn_end_bb): Likewise.
16311 (delete_null_pointer_checks): Likewise.
16312 * global.c (mark_reg_store): Take additional parameter.
16313 (mark_reg_clobber): Likewise.
16314 (reg_becomes_live): Likewise.
16315 (global_conflicts): Adjust calls to note_stores.
16316 (build_insn_chain): Likewise.
16317 * integrate.c (note_modified_parmregs): Take additional parameter.
16318 (mark_stores): Likewise. Make it static.
16319 (save_for_inline_nocopy): Adjust calls to note_stores.
16320 (try_constants): Likewise.
16321 * integrate.h (mark_stores): Remove declaration.
16322 * jump.c (mark_modified_reg): Take additional parameter.
16323 (thread_jumps): Adjust calls to note_stores.
16324 * local-alloc.c (validate_equiv_mem_from_store): Take additional
16326 (no_equiv): Likewise.
16327 (reg_is_set): Likewise.
16328 (validate_equiv_mem): Adjust calls to note_stores.
16329 (update_equiv_regs): Likewise.
16330 (block_alloc): Likewise.
16331 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
16332 (note_addr_stored): Take additional parameter.
16333 (note_set_pseudo_multiple_uses): Likewise.
16334 (record_initial): Likewise.
16335 (prescan_loop): Adjust calls to note_stores.
16336 (strength_reduce): Likewise.
16337 (check_dbra_loop): Likewise.
16338 * regmove.c (flags_set_1): Take additional paramter.
16339 (mark_flags_life_zones): Adjust calls to note_stores.
16340 * reload1.c (mark_not_eliminable): Take additional parameter.
16341 (forget_old_reloads_1): Likewise.
16342 (reload_cse_invalidate_rtx): Likewise.
16343 (reload_cse_check_clobber): Likewise.
16344 (reload_combine_note_store): Likewise.
16345 (move2add_note_store): Likewise.
16346 (reload): Adjust calls to note_stores.
16347 (reload_as_needed): Likewise.
16348 (emit_reload_insns): Likewise.
16349 (reload_cse_regs_1): Likewise.
16350 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
16351 (reload_combine): Adjust calls to note_stores.
16352 * resource.c (update_live_status): Take additional paramter.
16353 (mark_target_live_regs): Adjust calls to note_stores.
16354 * stupid.c (find_clobbered_regs): Take additional parameter.
16355 (stupid_life_analysis): Adjust calls to note_stores.
16357 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
16359 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
16362 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
16365 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
16366 of the variable arm_structure_size_boundary.
16368 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
16370 * alias.c (init_alias_analysis): Allocate reg_known_value and
16371 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
16373 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
16374 * cse.c (cse_main): Call end_alias_analysis.
16375 * haifa-sched.c (schedule_insns): Likewise.
16376 * local-alloc. (update_equiv_regs): Likewise.
16377 * reload1.c (reload_cse_regs): Likewise.
16379 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16381 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
16382 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
16383 mapping from MASK_FPU.
16385 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
16387 * sparc.md (call): Don't bound structure return size to 0xfff.
16389 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
16391 * resource.c (mark_target_live_regs): Check that the target
16392 insn wasn't created after compute_bb_for_insn.
16394 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
16396 * ggc-page.c (poison_pages): Don't be overzealous.
16398 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
16400 * alias.c: Update comments for ADDRESS.
16401 (nonlocal_reference_p): Look inside the ADDRESS to determine if
16402 it is a local memory reference.
16404 * c-typeck.c (build_function_call): Check that the built-in
16405 function is of class BUILT_IN_NORMAL before trying to recongize
16406 it as BUILT_IN_ABS.
16407 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
16408 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
16410 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
16412 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
16414 (pre_gcse): Likewise.
16415 (hoist_expr_reaches_here_p): Likewise.
16416 (hoist_code): Likewise.
16417 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
16419 (pre_expr_reaches_here_p_work): ... here.
16420 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
16422 (expr_reaches_here_p_work): ... here.
16424 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
16426 * resource.c (find_basic_block): Delete.
16427 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
16428 (init_resource_info): Call compute_bb_for_insn.
16430 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
16432 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
16433 with already adjacent blocks, but no fallthru.
16434 (merge_blocks_move_successor_nojumps): Simplify.
16435 (debug_flow_info): New.
16437 * toplev.c (rest_of_compilation): Open jump1 dump file before
16438 jump and close after, as opposed to just using dump_rtl.
16440 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16442 * reload.h (earlyclobber_operand_p): Declare.
16443 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
16444 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
16445 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
16446 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
16448 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
16449 Richard Henderson <rth@cygnus.com>
16451 * emit-rtl.c (emit_block_insn_before): New.
16452 (emit_block_insn_after): New.
16453 * basic-block.h: Declare them.
16455 * bitmap.h: Protect from multiple inclusion.
16457 * recog.c (scratch_operand): Handle VOIDmode correctly.
16459 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
16461 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
16462 * function.c (assign_parms): Likewise.
16463 * global.c (global_conflicts): Clarify STACK_REGS commentary.
16465 * reg-stack.c (max_uid): Remove.
16466 (blocks, block_begin, block_end, block_drops_in): Remove.
16467 (block_stack_in, block_out_reg_set, block_number): Remove.
16468 (struct block_info_def, BLOCK_INFO): New.
16469 (enum emit_where): New.
16470 (current_block): New.
16471 (BLOCK_NUM): Remove.
16472 (mark_regs_pat, record_label_references): Remove.
16473 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
16475 (goto_block_pat, print_blocks, dump_stack_info): Remove.
16476 (reg_to_stack): Simplified test for existance of fp code. Use
16477 flow.c code. Call shorten_branches after cross-jump opt.
16478 (check_asm_stack_operands): Renamed from record_asm_reg_life.
16479 Return false if the asm doesn't use stack regs. Don't do life
16480 analysis on the asm.
16481 (emit_pop_insn): Replace function pointer arg `when' with
16482 enum `where'. Update all callers.
16483 (change_stack): Likewise. Update basic block end.
16484 (emit_swap_insn): Use current_block->head to limit reverse search
16485 for start of block. Use emit_block_insn_after.
16486 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
16487 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
16488 structure assignment instead of bcopy.
16489 (print_stack): New.
16490 (convert_regs_entry, convert_regs_exit): New.
16491 (convert_regs_1, convert_regs_2): Split out from convert_regs.
16492 Work on basic blocks and the CFG.
16493 (convert_regs): Use them.
16495 * i386.c (output_fix_trunc): Remove code for DImode input operand
16496 not at top-of-stack.
16497 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
16499 (fix_truncdi_1): Allow any mode scratch.
16501 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
16503 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
16504 * linux.h, netbsd.h, vms.h: Not here.
16506 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
16508 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
16509 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
16510 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
16511 CONDITIONAL_REGISTER_USEAGE): Use them.
16512 * config/mips/mips.c (mips_move_1word,mips_move_2words,
16513 gen_conditional_branch,override_options) : Use them.
16514 * config/mips/mips.md : Use them.
16516 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
16518 * i386.md (zero_extendqihi2): Use SImode register name with andl.
16520 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
16522 * integrate.c (function_cannot_inline_p): Don't allow inlining
16525 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16527 * c-parse.in (cast_expr): Constify.
16529 * cccp.c (special_symbol): Likewise.
16531 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
16533 * dwarf2out.c (base_type_die): Likewise.
16535 * global.c (allocno_compare): Likewise.
16537 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
16539 * regclass.c (fix_register): Likewise.
16541 * rtl.h (fix_register): Likewise.
16543 * stupid.c (stupid_reg_compare): Likewise.
16545 * toplev.c (decode_f_option): Likewise.
16547 * tree.c (build_complex_type): Likewise.
16549 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
16551 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
16553 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16555 * reload.c (find_reloads): Compute mode and nregs fields of all
16557 * reload1.c (calculate_needs_all_insns): Simplify a bit.
16558 (calculate_needs): Use precomputed mode/nregs values.
16559 (allocate_reload_reg): Likewise.
16561 (failed_reload, set_reload_reg): ... new functions.
16562 (choose_reload_regs_init): New function, mostly broken out from...
16563 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
16564 Also lose one #if 0 block.
16566 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
16568 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
16571 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
16573 * tree.h (BLOCK_TYPE_TAGS): Remove.
16574 (BLOCK_END_NOTE): Likewise.
16575 (BLOCK_LIVE_RANGE_FLAG): Likewise.
16576 (BLOCK_LIVE_RANGE_START): Likewise.
16577 (BLOCK_LIVE_RANGE_END): Likewise.
16578 (tree_block): Remove live_range_flag, live_range_var_flag, and
16579 type_tags. Remove end_note, live_range_start, and live_range_end.
16580 (remember_end_note): Remove prototype.
16581 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
16582 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
16584 * ggc-common.c (ggc_mark_tree_children): Don't mark
16585 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
16586 * integrate.c (adjust_copied_decl_tree): Remove.
16587 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
16588 * stmt.c (last_block_end_note): Remove.
16589 (init_stmt): Don't add a GC root for it.
16590 (expand_fixup): Don't set it.
16591 (remember_end_note): Remove.
16592 (expand_end_bindings): Don't set last_block_end_note.
16594 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16596 * reload1.c (reload_reg_free_for_value_p): Show
16597 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
16600 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
16602 * expmed.c (extract_bit_field): Allow for the case of non-integer
16603 objects that are smaller than a word (like SFmode on a 64-bit
16606 * loop.c (basic_induction_var): A non-integer variable which is
16607 being set by a paradoxical subreg is probably not a biv.
16609 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16611 * prefix.c (translate_name) Check for empty prefix string.
16613 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
16615 * Makefile.in (CPP_CROSS_NAME): New variable.
16616 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
16618 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
16619 names of the files to be uninstalled.
16621 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
16623 * collect2.c (IS_DIR_SEPARATOR): Define.
16624 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
16626 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
16629 * haifa-sched.c (add_dependence): Update the true dependency
16630 cache the first time we add a true dependence to the LOG_LINKS chain.
16632 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
16634 * fold-const.c (fold): Fix comment.
16636 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16638 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
16639 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
16640 dbxout_start_new_source_file, dbxout_source_file,
16641 dbxout_source_line, dbxout_finish, dbxout_type_fields,
16642 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
16644 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
16645 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
16646 (dbxout_block): Initialize variable `blocknum'.
16648 * dbxout.h (dbxout_init, dbxout_finish,
16649 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
16650 dbxout_args, dbxout_source_line): Constify a char*.
16652 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
16653 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
16654 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
16655 low_pc_attribute, high_pc_attribute, body_begin_attribute,
16656 body_end_attribute, comp_dir_attribute, sf_names_attribute,
16657 src_info_attribute, mac_info_attribute, producer_attribute,
16658 lookup_filename, generate_macinfo_entry, fundamental_type_code,
16659 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
16660 dwarfout_undef): Constify a char*.
16661 (add_incomplete_type, retry_incomplete_types): Add prototypes.
16663 * dwarfout.h (dwarfout_define, dwarfout_undef,
16664 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
16666 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
16668 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
16669 (MULTILIB_ISA_DEFAULT): New.
16670 (MULTILIB_DEFAULTS): Use it.
16671 * config/mips/mips.c (): Remove the now unnecessary definition
16672 of MIPS_ISA_DEFAULT.
16673 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
16674 unnecessary definition.
16676 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
16678 * arm.md (pic_load_addr): Add constraints to operand 1.
16680 1999-10-25 Bruce Korb <autogen@linuxbox.com>
16682 * fixinc/genfixes: Provide a means for specifying -D options to
16685 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
16687 * arm.c (arm_override_options): Correct initialization of
16688 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
16689 arm_is_strong, and arm_is_6_or_7.
16691 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
16692 (note_set_pseudo_multiple_uses): New function.
16693 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
16694 if a pseudo set in the loop exit is used elsewhere.
16696 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
16698 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
16700 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
16702 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
16703 a single load-address pattern.
16705 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
16707 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
16708 depending on whether or not line-number notes are present.
16710 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16712 * cccp.c (progname, file_buf, default_include, include_file,
16713 macrodef, definition, hashval, wchar_type, user_label_prefix,
16714 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
16715 expand_to_temp_buffer, is_system_include, base_name,
16716 absolute_filename, read_name_map, open_include_file,
16717 record_control_macro, check_precompiled, check_preconditions,
16718 pcfinclude, pass_thru_directive, create_definition,
16719 check_macro_name, comp_def_part, collect_expansion,
16720 check_assertion, read_token_list, assertion_install,
16721 assertion_lookup, eval_if_expression, conditional_skip,
16722 validate_else, skip_quoted_string, quote_string, macarg1,
16723 error_from_errno, install, lookup, hashf, dump_defn_1,
16724 perror_with_name, pfatal_with_name, main, trigraph_pcp,
16725 check_white_space, rescan, handle_directive, monthnames,
16726 special_symbol, do_include, remap_include_file, write_output,
16727 arglist, do_assert, do_unassert, do_line, do_error, do_once,
16728 do_ident, do_sccs, do_xifdef, skip_if_group,
16729 output_line_directive, macroexpand, macarg, change_newlines,
16730 initialize_builtins, make_definition): Constify a char*.
16732 * pcp.h (stringdef): Likewise.
16734 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
16736 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
16739 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
16740 Richard Henderson <rth@cygnus.com>
16742 * alias.c: Include ggc.h.
16743 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
16744 (record_set): Verify enough room in reg_base_value.
16745 (init_alias_analysis): Allocate reg_base_value with xcalloc.
16746 Register it as a GC root.
16747 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
16748 * Makefile.in (alias.o): Depend on ggc.h.
16750 * unroll.c (unroll_loop): Verify the insn before a barrier
16751 is a JUMP_INSN before checking JUMP_LABEL.
16753 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16755 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
16756 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
16757 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
16758 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
16759 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
16760 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
16762 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16764 * output.h (ctors_section, dtors_section, bss_section): Prototype.
16766 * alpha/alpha-interix.h (text_section): Delete prototype.
16767 * alpha/elf.h (text_section): Likewise.
16768 * arm/linux-elf.h (text_section): Likewise.
16769 * arm/linux-telf.h (text_section): Likewise.
16770 * c4x/c4x.h (text_section): Likewise.
16771 * dsp16xx/dsp16xx.h (bss_section): Likewise.
16772 * elfos.h (text_section): Likewise.
16773 * i386/aix386ng.h (text_section): Likewise.
16774 * i386/i386-interix.h (text_section): Likewise.
16775 * i386/sco5.h (text_section): Likewise.
16776 * i386/svr3gas.h (text_section): Likewise.
16777 * nextstep.h (text_section): Likewise.
16778 * psos.h (text_section): Likewise.
16779 * ptx4.h (text_section): Likewise.
16780 * svr3.h (text_section): Likewise.
16781 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
16783 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16785 * final.c (peephole): Delete prototype.
16787 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
16788 (pre_insert_copies): Remove unused variable `bb'.
16790 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
16793 * output.h (peephole): Add prototype.
16795 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
16797 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
16800 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
16802 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
16803 for inlined declarations.
16805 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
16807 * arm.c (logical_binary_operator): New fucntion.
16808 * arm.h (logical_binary_operator): Declare it.
16809 (PREDICATE_CODES): Handle logical_binary_operator.
16810 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
16811 output constraints. Add appropriate splitters.
16812 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
16813 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
16814 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
16816 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16818 * genoutput.c (struct operand_data): New elt eliminable.
16819 (output_operand_data): Write it.
16820 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
16821 (compare_operands): Take it into account.
16822 * recog.h (struct insn_operand_data): New elt eliminable.
16823 * reload1.c (check_eliminable_occurrences, elimination_effects): New
16825 (old_asm_operands_vec, new_asm_operands_vec): Delete.
16826 (eliminate_regs): Move code that detects changes to elimination
16827 target regs into new function elimination_effects.
16828 Delete one #if 0 block.
16829 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
16830 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
16831 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
16832 Only call eliminate_regs for real operands of the insn, not for parts
16833 of its structure or parts matched by things like match_operator.
16834 Use elimination_effects and check_eliminable_occurrences. Use
16835 copy_insn to duplicate the pattern when not in the final pass.
16837 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
16839 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
16842 1999-10-22 Bruce Korb <autogen@linuxbox.com>
16844 * fixinc/README: document the "mach" machine matching test
16845 * fixinc/fixfixes.c: Implement the #else/#endif label fix
16846 * fixinc/fixtests.c: Implement the #else/#endif label test
16847 * fixinc/inclhack.def: utilize these tests and fixes
16848 * fixinc/inclhack.sh: regen
16849 * fixinc/fixincl.x: regen
16850 * fixinc/fixincl.sh: regen
16852 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
16854 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
16857 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
16859 * gcc.1: Document exit codes.
16861 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16863 * calls.c: Include tm_p.h later, so everything we need is defined.
16864 * expr.c: Likewise.
16865 * function.c: Likewise.
16867 * except.c: Include tm_p.h.
16869 * sparc.c: Likewise.
16870 (dwarf2out_cfi_label): Don't prototype.
16871 (check_return_regs, epilogue_renumber,
16872 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
16873 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
16874 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
16875 ultra_schedule_insn): Add static prototype.
16876 (data_segment_operand, text_segment_operand): Call itself with the
16877 proper number of arguments.
16878 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
16880 * sparc.h: Move all declarations to sparc-protos.h.
16881 (SELECT_RTX_SECTION): Pass a missing MODE argument to
16884 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
16886 * config/svr4.h (text_section, ctors_section, dtors_section): Add
16888 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
16889 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
16890 ASM_OUTPUT_ASCII): Constify a char*.
16892 * sparc-protos.h: New file for sparc prototypes.
16894 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16896 * function.c (record_insns, contains): Always declare and define.
16897 (record_insns): Mark with ATTRIBUTE_UNUSED.
16899 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
16901 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
16902 to .section when outputting a .bss section to deal with multiple
16903 .bss input sections (as happens with -fdata-sections)
16904 Also output %progbits, not @progbits so the assembler doesn't treat as
16906 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
16908 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
16909 thumb parts even when building with non-thumb CPUs, by forcing
16912 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
16914 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
16915 (movdf_const_intreg_sp64): Similarly.
16917 * local-alloc.c (update_equiv_regs): Check the correct insn
16918 for pre-existing REG_EQUIV notes.
16920 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
16922 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
16923 block reached by a branch if we're not going to actually process
16926 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
16928 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
16929 a local extern function declaration.
16931 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
16933 * i386.c (ix86_expand_prologue): Properly wrap USE around
16934 reg for CALL_INSN_FUNCTION_USAGE.
16936 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
16938 * config/mips/mips.md (movdf_internal1a): Allow floating-point
16939 move between GP_REGs.
16941 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
16943 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
16944 the mode size when finding out if an offset is legal.
16946 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
16948 * basic-block.h (PROP_*): Move constants from ...
16949 * flow.c: ... here.
16950 (compute_bb_for_insn): Free the array before reallocating.
16951 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
16952 (allocate_reg_life_data): Reset all reg variables collected by
16954 (get_block_head_tail): Don't convert from bb to block.
16955 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
16956 (find_insn_reg_weight): Take block not bb.
16957 (schedule_block): Don't set block num for moved insns.
16958 (schedule_region): Don't update_life_info or find_insn_reg_weight.
16959 (schedule_insns): Do it here instead.
16960 * combine.c (combine_instructions): Invoke compute_bb_for_insn
16961 before update_life_info.
16962 * recog.c (split_all_insns, peephole2_optimize): Update for
16963 new arg to update_life_info.
16964 * rtlanal.c (remove_note): Cope with NULL note.
16965 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
16968 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
16970 * jump.c (jump_optimize_1): More accurately detect casesi insns.
16972 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
16973 block records so that merge_blocks_nomove will clean up correctly.
16974 (split_edge): Handle casesi insns.
16976 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
16978 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
16980 * pa.md (call, call_value): Do not emit a blockage after restoring
16983 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
16985 * c-typeck.c (c_expand_asm_operands): Fix typo.
16987 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16989 * arm.c (fpu_rhs_operand): Verify modes.
16990 (fpu_add_operand): Likewise.
16991 (di_operand): Likewise.
16992 (soft_df_operand): Likewise.
16994 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
16996 * arm.c (arm_return_in_memory): APCS rules state that the elements
16997 of a structure returned in a register must be 'integer-like'.
16999 1999-10-19 Bruce Korb <autogen@linuxbox.com>
17001 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
17002 in the source tree when the generated targets are out of date
17003 * fixinc/genfixes: Alter it to run individual fixes for make.
17004 * fixinc/README: rewrite
17005 * fixinc/inclhack.def: moved initial comments to README
17007 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
17009 * toplev.c (main): Do not generate an error message if an
17010 unrecognised command line switch is recognisable by another
17011 language. If extra_warnings are enabled, then generate a
17012 warning message instead.
17014 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
17016 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
17017 (insert_pack_attributes): Delete prototype.
17019 * c-pragma.c (default_alignment): New static variable.
17020 (push_alignment): Initialize to current effective alignment.
17021 (pop_alignment): Use to set new alignment.
17022 (insert_pack_attributes): Delete function.
17023 (handle_pragma_token): Set default_alignment as well each time
17024 a #pragma pack(<n>) is encountered.
17026 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
17028 * reg-stack.c (stack_result): Aggregates are not returned in
17031 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
17033 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
17035 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
17037 * basic-block.h (set_block_num): Declare.
17038 * flow.c (update_life_info): Don't call compute_bb_for_insn
17039 or free_basic_block_vars.
17040 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
17041 (insn_orig_block): Remove.
17042 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
17043 (schedule_block): Keep BLOCK_NUM up-to-date.
17044 (schedule_insns): Use compute_bb_for_insn.
17045 * recog.c (split_all_insns): Likewise.
17046 (peephole2_optimize): Likewise.
17048 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
17050 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
17051 if the pic register is used.
17053 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17055 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
17056 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
17057 if that tests TREE_PERMANENT.
17059 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
17061 * cse.c (invalidate_for_call): Do not remove memory references from
17062 the table here. It's handled elsewhere.
17064 * haifa-sched.c (add_dependence): Protect references to the
17065 true dependency cache with #ifdef INSN_SCHEDULING.
17066 (remove_dependence): Similarly.
17068 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
17069 to the cfg code that this is a return instruction.
17070 * mn10300.md (return_internal): Similarly.
17072 * combine.c (get_last_value): If the last set of a register
17073 is after subst_low_cuid, then we can not use it to determine
17074 the register's last value.
17076 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
17078 * Makefile.in: Back out previous change.
17080 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
17082 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
17084 * haifa-sched.c (add_dependence): Only check/update the cache
17086 (remove_dependence): Likewise.
17087 (schedule_insns): Only create the true_dependency_cache if the
17088 average number of instructions in a basic block is very large.
17090 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
17092 * Makefile.in (ggc-common.o): Depend on genrtl.h.
17093 (ggc-simple.o): Likewise.
17094 (ggc-page.o): Likewise.
17096 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
17098 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
17099 Prototype for exported functions.
17100 (pre_lcm, pre_rev_lcm): Remove prototypes.
17101 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
17102 (compute_available): Move to lcm.c, and change parameter order.
17103 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
17104 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
17105 (gcse_main): No longer call compute_preds_succs. Rebuild the
17106 set table after reach pre pass.
17107 (pre_insert_map, pre_delete_map, edge_list): New.
17108 (alloc_pre_mem): Allocate edge vectors.
17109 (free_pre_mem): Delete edge vectors.
17110 (compute_pre_data): Call new edge based lcm routines.
17111 (process_insert_insn): New function.
17112 (insert_insn_end_bb): Use it.
17113 (pre_edge_insert): New function.
17114 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
17116 (pre_insert_copies): Revamp using new edge based lcm outputs.
17117 (pre_delete): Likewise.
17118 (one_pre_gcse_pass): Insert & remove fake edges to the exit
17120 (compute_code_hoist_vbeinout): New new edge based routines.
17121 * lcm.c: Remove all the old LCM functions. Replace with new ones
17122 that work with the new cfg datastructures and work with edges
17125 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17127 * reload.h (struct reload): Add new fields "mode" and "nregs".
17128 * reload1.c: Change all occurrences of reload_mode and reload_nregs
17129 to reference the "mode" and "nregs" field within struct reload.
17131 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
17133 * haifa-sched.c (true_dependency_cache): New.
17134 (add_dependence): Use the true dependency cache to avoid expensive
17135 walks down the LOG_LINKS dependency list. Add entries to the
17136 cache as necessary.
17137 (remove_dependence): Remove entries from the true dependency cache
17139 (schedule_insns): Allocate and initialize and free the true
17142 * haifa-sched.c (schedule_insns): Do not remove inter-block
17143 dependencies anymore.
17145 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
17147 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
17148 * i386/t-winnt: Likewise.
17150 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
17152 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
17154 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
17156 * Makefile.in (LANGUAGES): Omit "proto".
17157 (clean): Remove stale comment about removing unprotoize.c.
17159 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17161 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
17162 using arithmetic on void pointers.
17164 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
17166 * haifa-sched.c (compute_block_forward_dependencies): Only check
17167 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
17169 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
17171 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
17172 (expr_equiv_p): Reject memories with different alias sets.
17174 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
17176 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
17177 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
17178 (f_options): Add "bounded-pointers" and "bounds-check" entries.
17179 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
17180 (lang_init): Set default for flag_bounds_check if still "unspecified".
17182 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17184 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
17186 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17188 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
17191 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17193 * config/c4x/c4x.md (*db_noclobber,
17194 *decrement_and_branch_until_zero_noclobber): New patterns and
17195 associated splitters.
17197 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17199 * config/c4x/c4x.md (parallel instruction patterns): Rework
17200 constraints to keep reload happy.
17202 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17204 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
17205 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
17206 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
17207 Add new patterns and associated post-reload splitters.
17209 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17211 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
17213 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17215 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
17217 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
17219 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17221 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
17224 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
17226 * pa.c (move_operand): Rely on memory_address_p to determine the
17227 validity of non-indexed memory addresses.
17228 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
17229 operand in DFmode and SFmode when generating PA2.0 code.
17231 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
17233 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
17235 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
17237 * mips.c (function_prologue): Fix argument types.
17238 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
17239 (casesi_internal): Write to the scratch register.
17241 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
17243 * cppexp.c (cpp_parse_escape): Make static. Change second arg
17245 (parse_charconst): Delete unnecessary cast when calling
17247 (cpplib.h): Kill prototype of cpp_parse_escape.
17249 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
17251 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
17252 * unroll.c (unroll_loop): Cast return value of alloca.
17253 * i370/i370.c: Include function.h and toplev.h.
17254 (i370_label_scan): Remove c++ commented abort.
17255 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
17256 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
17257 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
17258 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
17260 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
17262 * config/t-freebsd: Do not override USER_H.
17263 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
17265 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
17266 Mumit Khan <khan@xraylith.wisc.edu>
17268 * c-parse.in (component_decl): Support anonymous struct/union.
17270 * c-parse.y: Regenerate.
17271 * c-parse.c: Likewise.
17272 * objc/objc-parse.y: Likewise.
17273 * objc/objc-parse.c: Likewise.
17274 * c-decl.c (finish_struct): Don't sort the fields.
17275 (field_decl_cmp): Delete unused function.
17277 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
17279 * sparc.md (movsf_const_intreg): Revert last constraint change.
17280 (movdf_const_intreg_sp32): Likewise.
17282 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
17284 * cse.c: Include hashtab.h instead of splay-tree.h
17285 (struct cse_reg_info): No longer use variant union. Add new
17286 field "regno". All references changed to avoid union.
17287 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
17288 (free_cse_reg_info): Remove.
17289 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
17290 (get_cse_reg_info): Revamp to use expandable hash tables instead
17291 of splay trees. Initialize new fields in cse_reg_info structure.
17292 (new_basic_block): Similarly.
17294 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
17296 * genrecog.c (message_with_line): Prototype.
17297 (validate_pattern): Pass along the set for the dest, not a flag.
17298 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
17299 Check for PC/CC0 as sources.
17300 (nodes_identical): Check for children position match before
17301 allowing the combination.
17303 * rtl.c (read_rtx): Track line number across \\\n.
17305 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
17307 * mips.h (SPECIAL_MODE_PREDICATES): New.
17308 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
17309 (movdi+1, movsi+1): Add output reload constraint.
17310 (casesi_internal): Likewise. Fix commentary.
17311 (return_internal): Use pmode_register_operand.
17313 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
17315 * 1750a.md (movstrqi): Add missing output reload constraint.
17316 (call_value): Likewise.
17317 * a29k.md (cpxxx patterns): Add missing match_operator mode.
17318 (jmpfdec): Add missing inout reload constraint.
17319 * elxsi.md (addsi patterns): Add missing output reload constraint.
17320 (move from sp): Use @ alternates.
17321 (call_value): No constraint on output.
17322 * fr30.md (movsi_pop): Add missing output reload constraint.
17323 (movsf_constant_store): Likewise.
17324 (splits): Remove constraints.
17325 (subsi3): Add missing mode.
17326 * i370.md (cmpstrsi+1): Add missing output reload constraint.
17327 (call_value): Likewise.
17328 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
17329 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
17330 * m32r.md (movsicc_internal): Add output reload constraint.
17331 (movstrsi_internal): Add inout reload constraints.
17332 * m88k.h (reg_names): Don't declare.
17333 (SPECIAL_MODE_PREDICATES): New.
17334 * m88k.md (*): Use register_operand not reg_or_0_operand
17336 * mn10200.h (PREDICATE_CODES): New.
17337 * ns32k.md (ffs pattern): Add output reload constraint.
17338 * pdp11.md (sob pattern): Add inout reload constraint.
17339 * sh.md (splits): Remove constraints.
17340 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
17341 * v850.md (pattern_is_ok_for_epilogue): Likewise.
17342 * vax.md (jgequ pattern): Add inout reload constraint.
17344 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
17346 * configure.in (djgpp): Revert previous patch.
17347 * configure: Rebuit.
17348 * config/i386/djgpp.h: Revert previous patch.
17350 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
17352 * fixinc/inclhack.def: Restore patch lost during last merge of
17353 "no_bogosity" branch.
17354 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
17356 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
17358 * fixincludes: Add a HPUX 11 fix for inttypes.h.
17359 * fixinc/inclhack.def: Same.
17360 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
17362 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
17364 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
17365 as the base of a PLUS.
17367 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17369 * config/c4x/c4x.md: Define mode for remaining unspec operators.
17370 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
17372 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
17374 * pa.md (post_stw+1): Use pmode_register_operand.
17375 (dcacheflush, icacheflush): Likewise.
17377 * i386.md (movstricthi_1): Allow r/r.
17379 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
17381 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
17382 to (not (and (arg0) (arg1))). Similary for and.
17384 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
17385 fallthrough to associate code.
17386 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
17389 * combine.c (simplify_logical): Convert XOR to IOR if operands have
17390 no bits in common; remove XOR to ROTATE conversion.
17392 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17394 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
17396 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17398 * config/c4x/c4x.c (dst_operand): New.
17399 (PREDICATE_CODES): Update.
17400 * config/c4x/c4x.h (dst_operand): Declare it.
17401 * config/c4x/c4x.md: Define mode for each unspec usage.
17402 (move patterns): Use dst_operand predicate instead of src_operand.
17403 (movqi_update, movqf_update): Delete.
17405 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
17407 * recog.c (pmode_register_operand): New.
17408 * recog.h: Declare it.
17409 * genrecog.c (pred_codes): Likewise.
17410 (special_mode_pred_table): Likewise.
17411 (validate_pattern): Don't warn no mode for address_operand.
17413 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
17414 if the operand is not insn-like.
17416 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
17417 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
17419 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
17421 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
17423 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
17424 instead of general_operand in a SET_DEST. Use const_double_operand
17425 instead of an explicit test against CONST_DOUBLE.
17426 (movsf_const_lo): Add missing register mode.
17427 (goto_handler_and_restore): Add auxiliary test for Pmode.
17428 (flush): Adjust to use address_operand.
17429 (return_sf_no_fpu): Add missing output constraint.
17431 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
17433 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
17434 for call return value.
17435 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
17437 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
17439 * toplev.c (main): Only warn about options for other languages.
17440 * collect2.c (main): Pass -w to sub-gcc.
17442 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
17444 * flow.c (propagate_block): Add call-clobbered registers to
17447 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
17448 zapping mem_set_list.
17449 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
17450 (mark_set_1, mark_used_regs): Likewise.
17452 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
17454 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
17456 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17458 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
17459 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
17460 options. Also add a new item "C-only Warning Options" to the
17463 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
17465 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
17466 from multiple calls.
17468 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
17470 * i386.md (call value patterns): Move to the end of the file.
17471 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
17473 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
17475 * configure.in (djgpp configuration): Define extra_objects..
17476 * configure: Rebuilt.
17477 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
17478 (DTORS_SECTION_ASM_OP): Define.
17479 (INIT_SECTION_ASM_OP): Define.
17480 (FINI_SECTION_ASM_OP): Define.
17481 (DATA_SECTION_ASM_OP): Define.
17482 (TEXT_SECTION_ASM_OP): Define.
17483 (EH_FRAME_SECTION_ASM_OP): Define.
17484 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
17485 (STARTFILE_SPEC): Add crtbegin.o.
17486 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
17487 to here from LINK_COMMAND_SPEC.
17488 (DO_GLOBAL_CTORS_BODY): Define.
17489 (CRTSTUFF_USE_FINI_SECTION): Define
17490 (HAS_INIT_SECTION): Delete.
17492 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
17494 * Makefile.in (all.cross): Depend on xcpp$(exeext).
17496 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
17498 * pa.h (PREDICATE_CODES): New.
17500 * genrecog.c (validate_pattern): Condense the destination
17501 non-lvalue message.
17503 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
17505 * alpha.md (call-1): Supply missing mode for operator.
17506 (*): Add missing output reload constraints. Remove constraints
17507 from define_splits.
17509 * i386.h (SPECIAL_MODE_PREDICATES): New.
17510 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
17511 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
17512 (addsi_lea_3): Add missing mode for op 3.
17513 (prologue_set_got, prologue_get_pc): Add missing modes.
17514 (*) Add missing output reload constraints.
17516 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
17518 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
17519 check for member bit-size overflow and use var_size if it occurs.
17520 (layout_record): Use bitsize_int() to define the type size in bits.
17521 Likewise for computation and assignment to DECL_FIELD_BITPOS.
17522 (layout_decl): Likewise when assigning to DECL_SIZE.
17524 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
17526 * genrecog.c (validate_pattern): Typo last change. Verify
17527 that output operands have output reloads.
17529 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
17531 * genrecog.c (special_mode_pred_table): New.
17532 (NUM_SPECIAL_MODE_PREDS): New.
17533 (find_operand): New.
17534 (validate_pattern): New argument `insn'. Warn for assignment to
17535 any predicate accepting non-lvalues. Conditionaly warn for
17536 match_operand without a mode. Try much harder to match source
17537 and destination modes on a set.
17538 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
17540 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
17542 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
17544 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
17546 * combine.c (simplify_logical): Recognize xor pattern that encodes
17549 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17551 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
17554 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
17556 * ggc-page.c (MAP_FAILED): Provide default.
17558 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
17560 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
17561 * sparc.h (PREDICATE_CODES): Update.
17563 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
17565 * alpha.c (some_ni_operand): New.
17566 * alpha-protos.h: Declare it.
17567 * alpha.h (PREDICATE_CODES): Update.
17568 * alpha.md (sXaddq reload insns): Use some_ni_operand
17569 for SET_DEST instead of some_operand.
17571 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
17572 Jim Wilson <wilson@cygnus.com>
17574 * genrecog.c (maybe_both_true_2): Don't compare modes of
17576 (process_tree): Elide peephole2_insns. Invoke simplify_tests
17577 after find_afterward.
17578 (debug_decision_1): Dump next and afterward codes.
17580 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
17582 * rtl.c (dump_and_abort): Remove.
17583 (fatal_with_file_and_line): New.
17584 (fatal_expected_char): New.
17585 (read_rtx_lineno, read_rtx_filename): New.
17586 (read_skip_spaces): Track line number.
17587 (read_name): Use fatal_with_file_and_line.
17588 (read_rtx): Use fatal_expected_char. Track line number.
17589 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
17591 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
17592 if it isn't a CODE_LABEL.
17594 * genattr.c (main): Set read_rtx_filename.
17595 * genattrtab.c (main): Likewise.
17596 * gencodes.c (main): Likewise.
17597 * genconfig.c (main): Likewise.
17598 * genemit.c (main): Likewise.
17599 * genextract.c (main): Likewise.
17600 * genflags.c (main): Likewise.
17601 * genopinit.c (main): Likewise.
17602 * genoutput.c (main): Likewise.
17603 * genpeep.c (main): Likewise.
17605 * genrecog.c (decision_test.u.insn): Add `lineno'.
17606 (pattern_lineno, error_count): New variables.
17607 (message_with_line): New.
17608 (add_to_sequence): Break out checking code to ...
17609 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
17610 (merge_insn): Use message_with_line.
17611 (make_insn_sequence): Use validate_pattern. Record insn lineno.
17612 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
17614 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17616 * expr.c (store_constructor): Clear union if constructor is empty.
17618 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
17620 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
17621 Add !endian checks. Change %{...} to %(...).
17623 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
17625 * i386.md (*addsi3_cc): Renamed from addcsi3.
17626 (*addsi3_carry): Renamed from addxsi3.
17627 (*subsi3_cc): Renamed from subcsi3.
17628 (*subsi3_carry): Renamed from subxsi3.
17629 (*xorqi_cc_1): Renamed from xorcqi_1.
17630 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
17631 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
17633 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
17635 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
17636 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
17638 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
17640 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
17641 climb up the chain of insns.
17643 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
17645 * genrecog.c (write_subroutine): Careful for null trees.
17646 (process_tree): Don't elide empty functions.
17648 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
17650 * Makefile.in (genrtl.o): Depend on ggc.h.
17651 * configure.in (valloc): Probe for it.
17652 (with-gc): Use ggc-page if valloc present.
17653 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
17654 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
17655 (ggc_alloc_string): Moved from ggc-page.c.
17656 * ggc-none.c (ggc_alloc_obj): New.
17657 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
17658 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
17659 (struct globals): Likewise for dev_zero_fd.
17660 (init_ggc): Likewise for it's initialization.
17661 (ggc_allocated_p): Move careful dereference from ...
17662 (ggc_lookup_page_table): ... here. Delete.
17663 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
17664 (alloc_anon): Use valloc if no mmap.
17665 (release_pages): Use free if using valloc.
17666 (ggc_alloc_obj): Renamed from alloc_obj.
17667 (ggc_set_mark): Renamed from mark_obj.
17668 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
17669 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
17670 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
17671 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
17672 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
17673 (ggc_collect): Use fp printing instead of our own rounding.
17674 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
17675 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
17676 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
17677 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
17678 (struct ggc_string, struct ggc_any): Delete.
17679 (offsetof): Provide default definition.
17680 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
17682 (struct ggc_mem): New, from corpse of ggc_any.
17683 (struct ggc_status): Delete.
17684 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
17685 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
17686 (n_strings_collected, n_anys_collected): Delete.
17687 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
17688 (ggc_alloc_string, ggc_alloc): Delete.
17689 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
17690 (ggc_free_string, ggc_free_any): Delete.
17691 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
17692 (ggc_compare_addresses, ggc_mark_string): Delete.
17693 (ggc_mark_string_if_gcable, ggc_mark): Delete.
17694 (search_data): Delete.
17695 (struct globals): New.
17696 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
17697 (tree_insert, tree_lookup): New.
17698 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
17699 (clear_marks, sweep_objs): New.
17700 (ggc_collect): Gut. Use clear_marks, sweep_objs.
17701 (init_ggc): Set allocated_last_gc.
17702 (ggc_push_context): Gut. Use G.context.
17703 (ggc_pop_context): Likewise.
17704 (ggc_pop_context_1): New.
17705 (debug_ggc_tree): New.
17706 (debug_ggc_balance, tally_leaves): New.
17707 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
17708 (ggc_mark_string_if_gcable): Remove decl.
17709 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
17710 (ggc_mark_rtvec_children): New.
17711 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
17712 (ggc_mark_if_gcable): New decl.
17713 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
17714 (ggc_alloc_tree, ggc_alloc): Likewise.
17715 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
17716 (ggc_alloc_obj): New decl.
17717 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
17718 (ggc_alloc_tree, ggc_alloc): Likewise.
17719 (ggc_set_mark): New decl.
17720 * rtl.h (struct rtx_def): Remove gc_mark.
17721 (struct rtvec_def): Likewise.
17722 * tree.h (struct tree_common): Likewise.
17724 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
17726 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
17727 float_format and thread_file definitions.
17728 * configure: Rebuilt.
17730 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
17732 * extend.texi (Function Names): Document types of function names.
17734 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17736 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
17737 an earlyclobbered output conflict with RELOAD_INPUT reloads.
17739 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17741 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
17743 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17745 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
17747 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
17749 * collect2.c (main): Do prelimnary link on AIX if rflag.
17751 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17753 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
17754 __CTOR_LIST__ in opposite order, which is the correct order for sorted
17756 (__do_global_dtors): similarly for __DTOR_LIST__.
17758 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17759 Diego Novillo <dnovillo@cygnus.com>
17761 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
17764 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
17766 * fixincl/*: Merged "no_bogosity" branch
17767 * fixincl/fixlib.h: protect against doubly defining t_bool
17768 * fixincl/server.h: protect against doubly defining t_bool
17770 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
17772 * genoutput.c: Include toplev.h.
17774 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
17776 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
17778 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
17779 * configure: Regenerate.
17781 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
17783 * gcse.c (delete_null_pointer_checks): Returns void.
17785 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17787 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
17788 * emit-rtl.c (copy_insn_1): Likewise.
17790 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
17792 * config/mips/mips.c (mips_build_va_list): Correct
17793 TREE_CHAIN setting when hard-float.
17794 (mips_va_start): Use corrected setting.
17795 (mips_va_arg): Likewise. Also pass a tree to build of
17796 POSTINCREMENT_EXPR rather than a naked 'int'.
17798 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
17800 * ggc.h (ggc_push_context): Fix comment.
17801 (ggc_pop_context): Likewise.
17802 (mark_string_if_gcable): Likewise.
17803 * ggc-common.c (ggc_mark_rtx_children): Use
17804 ggc_mark_string_if_gcable.
17805 * ggc-page.c (ggc_lookup_page_table): New function.
17806 (ggc_allocated_p): Likewise.
17807 (mark_obj): Fix formatting.
17808 (ggc_mark_string_if_gcable): New function.
17809 * ggc-simple.c (ggc_allocated_strings): New variable.
17810 (ggc_strings_used): Likewise.
17811 (ggc_compare_addresses): New function.
17812 (ggc_pop_context): Pop the `any' memory too.
17813 (ggc_mark_string_if_gcable): New function.
17814 (ggc_collect): Initialize and tear down ggc_allocated_strings.
17816 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
17818 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
17819 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
17820 * rs6000.c (expand_block_move): Match movstrsi_?reg register
17823 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
17825 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
17826 (sched_reg_live_length, sched_reg_basic_block): Delete.
17827 (current_block_num, bb_live_regs, old_live_regs): Delete.
17828 (dead_notes, struct sometimes): Delete.
17829 (sched_note_set, birthing_insn_p): Delete.
17830 (adjust_priority): Gut useless reg lifetime code.
17831 (create_reg_dead_note, attach_deaths): Delete.
17832 (attach_deaths_insn, new_sometimes_live): Delete.
17833 (finish_sometimes_live): Delete.
17834 (find_pre_sched_live, find_post_sched_live): Delete.
17835 (update_reg_usage): Delete.
17836 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
17837 (schedule_insns): Delete reg lifetime code.
17838 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
17839 (unlink_other_notes): Adjust REG_NOTE commentary.
17840 (reemit_notes): Use REG_SAVE_NOTE.
17841 (schedule_block): Likewise.
17842 (schedule_region): Allocate bitmap of blocks in region. Use
17843 count_or_remove_death_notes. Use update_life_info.
17845 * rtl.h (REG_SAVE_NOTE): New.
17846 * rtl.c (reg_note_name): Update.
17848 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
17850 * combine.c (refresh_blocks, need_refresh): New.
17851 (combine_instructions): Allocate refresh_blocks. Invoke
17852 update_life_info if needed.
17853 (distribute_notes): Mark refresh_blocks instead of installing
17855 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
17856 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
17858 * Makefile.in (recog.o): Depend on basic-block.h.
17860 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
17862 * genrecog.c (add_to_sequence): Thinko last change: delete
17863 shadowing allow_const_int variable.
17865 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17867 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
17868 __GNUC__ and __GNUC_MINOR__.
17870 * gansidecl.h: Likewise.
17876 * toplev.h: Likewise.
17878 * tree.c: Likewise.
17880 * tree.h: Likewise.
17882 * varray.c: Likewise.
17884 * varray.h: Likewise.
17886 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17888 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
17889 use one before a jump table.
17891 * rtl.def (ADDRESS): Change documentation to match reality.
17892 * md.texi: Don't document it.
17893 * gmicro.md (load address pattern): Use 'p' constraint, delete use
17896 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
17898 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
17900 * genrecog.c (add_to_sequence): Move allow_const_int test outside
17901 known predicate block; default allow_const_int true.
17902 (debug_decision_list): New.
17904 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
17906 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
17908 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
17910 * gcse.c (gcse_main): Avoid global optimizations if we have a
17911 large number of basic blocks and the ratio of edges to blocks
17913 (delete_null_pointer_checks): Likewise.
17915 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
17917 * c-common.c (check_format_info): Warn if format string isn't a
17920 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17922 * configure.in (arm*-*-*): Don't let autoconf remove brackets
17923 * configure: regenerate
17925 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
17927 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
17928 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
17929 (peepholes): Re-enable.
17931 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
17933 * Makefile.in (flow.o): Depend on TREE_H.
17934 * basic-block.h (REG_SET_EQUAL_P): New.
17935 (XOR_REG_SET): New.
17936 (n_edges): Declare.
17937 (free_regset_vector): Remove declaration.
17938 (flow_delete_insn_chain): Declare.
17939 (enum update_life_extent): New.
17940 (update_life_info, count_or_remove_death_notes): Declare.
17941 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
17942 Verify register live at bb->global_live_at_start before adding USE.
17943 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
17944 (CLEAN_ALLOCA): New.
17946 (PROP_*): New flags.
17947 (find_basic_blocks_1): Use alloc_EXPR_LIST.
17948 (clear_edges): Zero n_edges.
17949 (make_edge): Increment n_edges.
17950 (split_edge): Don't allocate bb->local_set. Increment n_edges.
17951 (flow_delete_insn_chain): Export.
17952 (delete_block): Decrement n_edges.
17953 (merge_blocks_nomove): Likewise.
17954 (life_analysis): Give life_analysis_1 PROP flags.
17955 (verify_wide_reg_1, verify_wide_reg): New.
17956 (verify_local_live_at_start): New.
17957 (update_life_info): Rewrite to call into propogate_block.
17959 (mark_regs_live_at_end): After reload, if epilogue as rtl,
17960 always mark stack pointer. Conditionally mark PIC register.
17961 After reload, mark call-saved registers, return regsiters.
17962 (life_analysis_1): Accept PROP flags not remove_dead_code.
17963 Call mark_regs_live_at_end before zeroing regs_ever_live.
17964 Use calculate_global_regs_live. Copy global_live_at_end before
17965 calling final propagate_block. Zero reg_next_use on exit.
17966 (calculate_global_regs_live): New.
17967 (allocate_bb_life_data): Don't allocate bb->local_set.
17968 (init_regset_vector, free_regset_vector): Remove.
17969 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
17970 Test flags before every operation. Warn if prologue/epilogue insn
17971 would have been deleted.
17972 (mark_set_regs, mark_set_1): Accept and use FLAGS.
17973 Use alloc_EXPR_LIST.
17974 (mark_used_regs): Accept and use FLAGS, not FINAL.
17975 Remove special handling for RETURN.
17976 (try_pre_increment): Use alloc_EXPR_LIST.
17977 (dump_flow_info): Dump n_edges.
17978 (unlink_insn_chain, split_hard_reg_notes): Remove.
17979 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
17980 (find_insn_with_note, new_insn_dead_notes): Remove.
17981 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
17982 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
17983 (replace_insns): Remove.
17984 (count_or_remove_death_notes): New.
17985 (verify_flow_info): Abort on error after all checks.
17986 (remove_edge): Decrement n_edges.
17987 (remove_fake_edges): Tweak format.
17988 * haifa-sched.c (schedule_insns): Use split_all_insns.
17989 * output.h (update_life_info): Remove declaration.
17990 * recog.c (split_all_insns): From the corpse of split_block_insns,
17991 do the whole function block by block. Use update_life_info.
17992 (recog_last_allowed_insn): New.
17993 (recog_next_insn): Mind it.
17994 (peephole2_optimize): Set it. Walk backwards through blocks.
17995 Use update_life_info.
17996 * rtl.h (update_flow_info, replace_insns): Remove declarations.
17997 (split_all_insns): Declare.
17998 * toplev.c (rest_of_compilation): Thread prologue before flow2.
17999 Use split_all_insns.
18001 * i386.md (or -1 peep2s): Disable.
18003 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
18005 * config/mips/mips.md (movstrsi+[123]) : Combine these into
18006 a single pattern. Scrap the 'd' versions as unnecessary.
18008 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
18009 tablejump_mips162,tablejump_internal4): The operands to a
18010 label_ref must be VOIDmode.
18012 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18014 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
18016 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
18018 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
18020 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
18022 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
18023 cache every function if ggc_p.
18025 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18027 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
18028 instead of copy_rtx. Accept sequences that contain asm statements.
18029 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
18030 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
18031 orig_asm_operands_vector, copy_asm_operands_vector,
18032 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
18034 * rtl.h (copy_insn, copy_insn_1): Declare.
18036 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18038 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
18040 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
18041 arguments to `current_file_function_operand'.
18043 * genrecog.c: Include hard-reg-set.h and resource.h in the
18044 generated output file.
18046 * real.c: Include tm_p.h.
18048 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18050 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
18053 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
18055 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
18056 before the fctiwz insn.
18058 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18059 Mark Mitchell <mark@codesourcery.com>
18061 * tree.c (make_lang_type_fn): New funtion pointer.
18062 (make_lang_type): Call it.
18063 * tree.h (make_lang_type): Declare.
18064 (make_lang_type_fn): Likewise.
18065 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
18067 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
18069 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
18070 make sure that HIGH instructions are copied into BASE_REGS.
18072 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
18074 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
18076 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
18078 * c-decl.c (finish_struct): Use simpler method of
18079 removing elements of a singly-linked list.
18081 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
18083 * alpha.md (peephole2's): Comment out peephole2's that generate
18086 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
18088 * genrecog.c (add_to_sequence): Disable mode check for
18091 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18093 * ggc-simple.c (init_ggc): Set empty_string.
18095 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
18097 * configure.in: Detect mmap. Add --with-gc=foo to select
18098 garbage collector; default to page if mmap available.
18099 * Makefile.in (GGC): Substitute.
18101 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
18103 * c-decl.c (ggc_p): Enable.
18105 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18107 * flow.c (verify_flow_info): Make it extern & unconditionally define.
18109 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
18111 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
18112 string for little-endian-data.
18114 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
18116 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
18117 case somebody tries to compile --enable-checking code with gcc
18120 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
18122 * genrecog.c (add_to_sequence): Verify operand to label_ref is
18125 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
18127 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
18128 * jump.c (jump_optimize_1): Document why.
18130 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18132 * collect2.c (scan_prog_file, scan_libraries): Prototype function
18133 pointers and casts for `int_handler' and `quit_handler'.
18135 * flow.c (verify_flow_info, split_hard_reg_notes,
18136 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
18137 remove_edge, remove_fake_successors): Add static prototypes.
18138 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
18139 (mark_set_1): Initialize variable `regno'.
18140 (unlink_insn_chain): Likewise for variable `curr'.
18141 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
18143 * loop.c (strength_reduce): Initialize variable
18144 `unrolled_insn_copies'.
18145 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
18146 prototypes. Change these functions to take const PTR parameters
18147 to avoid prototype conflict when used as the comparson argument
18149 (check_dbra_loop): Initialize variable `comparison_val'.
18151 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
18152 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
18153 (find_valid_class): Initialize variable `best_class'.
18154 (find_reloads): Call memcpy, not bcopy.
18156 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
18157 (hard_reg_use_compare): Don't needlessly cast away const.
18158 (reload_reg_class_lower): Likewise.
18159 (choose_reload_regs): Initialize variable `regno'.
18161 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
18163 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
18165 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
18167 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
18168 ({,d}discard): Add forward declarations. Declare parameter as
18170 (main_without_main): Explicitly declare return type to be int.
18171 (memcpy): Properly declare.
18173 * libgcc2.c (toplevel): If inhibit_libc is defined and not
18174 building the trampoline support, declare malloc, free, and
18176 (__clear_cache): Mark arguments as potentially unused.
18178 * frame.c (toplevel): If inhibit_libc is defined, declare
18181 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
18183 * flow.c (make_edge): Accept an optional 2D bitmap in which
18184 to cache edge existence. Update all callers.
18185 (make_label_edge, make_eh_edge): Pass through the edge cache.
18186 (make_edges): Provide the cache.
18188 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18190 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
18192 (local_mbtowc): Change the type of variable `i' from int to size_t.
18194 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
18195 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
18197 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
18199 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
18200 after other includes that define the appropriate types. Include
18201 tm_p.h for getting user prototypes.
18202 * ggc-callbacks.c (toplevel): Ditto.
18203 * ggc-none.c (toplevel): Ditto.
18204 * gcc-page.c (toplevel): Ditto.
18205 * ggc-simple.c (toplevel): Ditto.
18207 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
18208 Jonathan Larmour <jlarmour@cygnus.co.uk>
18210 * config/mips/mips.c (mips_move_2words): Split doubles if
18211 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
18213 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
18215 * genrecog.c (struct decision_test): New.
18216 (struct decision): Remove test-related members, sort the rest by size.
18217 (IS_SPLIT): Simplify.
18218 (new_decision, new_decision_test): New.
18219 (add_to_sequence): Use them. No special handling for args of
18221 (maybe_both_true): Renamed from not_both_true; return sense changed.
18222 (maybe_both_true_1, maybe_both_true_2): New. Broken out
18223 of maybe_both_true and adjusted for decision_test.
18224 (position_merit): Remove.
18225 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
18226 (merge_accept_insn): New, broken out of merge_trees.
18227 (merge_trees): Use them. No special case for c_test; no node
18228 splitting; use test type instead of position_merit.
18229 (factor_tests): New.
18230 (simplify_tests): New.
18231 (break_out_subroutines): Don't write code now.
18232 (find_afterward): New.
18233 (write_afterward, write_switch, write_cond): New.
18234 (write_action, is_unconditional): New.
18235 (write_node): New. Use them.
18236 (write_tree_1): Rewrite. Use the new functions above.
18237 (write_tree): Remove afterward processing.
18238 (write_subroutine): Simplify function variant emission.
18239 (write_subroutines): New.
18240 (same_codes, clear_codes): Remove.
18241 (same_modes, clear_modes): Remove.
18242 (write_header): New, broken out of main.
18243 (make_insn_sequence): Use new_decision and new_decision_test.
18244 (process_tree): New, broken out of main.
18245 (main): Adjust for merge_trees interface change.
18246 Don't #define operands in the output file.
18247 (record_insn_name): New, broken out of make_insn_sequence.
18248 (debug_decision_2, debug_decision_1, debug_decision_0): New.
18249 (debug_decision): New.
18251 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
18253 * resource.c (find_free_register): Mark class_str argument const.
18254 * resource.h: Update prototype to match.
18256 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
18257 * i386.md: Give all anonymous insns names.
18259 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
18261 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
18264 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
18266 * toplev.c (dbr_sched_time): Unconditional.
18267 (peephole2_time): New.
18268 (compile_file): Add pass numbers to all of the dump file suffixes.
18269 Dump peephole2_time. Don't dump times for non-applicable passes.
18270 (rest_of_compilation): Add pass numbers to dump file suffixes.
18271 Conditionalize calls to the scheduler.
18272 * invoke.texi: Update.
18274 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
18276 * flow.c (make_edges): Fix insn iteration.
18277 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
18278 (find_basic_blocks_1): Fix spelling mistake.
18280 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
18282 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
18283 always have side-effects. Use memset not bzero.
18284 (make_node): Likewise.
18286 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
18288 * stmt.c (expand_anon_union_decl): When any of the elements of the
18289 union is addressable, so is the entire union.
18291 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
18293 * sbitmap.c (sbitmap_ones): Don't set too many bits.
18295 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
18296 * bitmap.c (bitmap_operation): Return true iff TO changed.
18297 (bitmap_equal_p): New.
18298 (bitmap_bit_p): Tidy arithmetic.
18299 (debug_bitmap_file): Likewise.
18301 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
18303 * toplev.c (rest_of_compilation): Turn on cse_not_expected
18304 before cse2 instead of after.
18306 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
18308 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
18311 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18313 * cppinit.c (is_idchar initializer): Loosen tests to accept
18316 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
18318 * mips.md: Define conditional move patterns for floating point
18319 operands and DI mode conditions.
18321 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
18323 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
18324 always have side-effects.
18326 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
18328 * mn10200.c (asm_file_start): Fix typo.
18330 * cppinit.c (is_idchar initializer): Tighten tests for when
18331 to put the table into initialized memory.
18333 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
18334 not an array of rtunion.
18335 * gcc-page.c (ggc_alloc_rtvec): Similarly.
18336 * gcc-simple (ggc_free_rtvec): Similarly.
18338 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
18341 * mbchar.h: Add missing #endif.
18343 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
18344 (FPBIT, DPBIT): Define.
18346 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18348 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
18350 * profile.c (instrument_arcs, output_gcov_string,
18351 tablejump_entry_p): Add static prototypes.
18352 (output_gcov_string): Constify a char*.
18354 * regmove.c (replacement_quality, fixup_match_2): Add static
18357 * resource.h (reg_dead_p): Add extern prototype.
18359 * rtl.c (trim_filename): Add static prototype.
18361 * scan-decls.c (skip_to_closing_brace): Likewise.
18363 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
18364 (expand_end_case): Initialize variable `range'.
18365 (emit_case_nodes): Remove unused prototype `rtx_fn'.
18367 * varasm.c (asm_emit_uninitialised): Add static prototype.
18368 (asm_emit_uninitialised, assemble_variable): Mark parameter with
18371 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18373 * cpplib.c (if_directive_nameo): Add static prototype.
18375 * cse.c (cse_insn): Remove unused variable `p'.
18377 * except.c (create_rethrow_ref, push_entry,
18378 receive_exception_label, new_eh_region_entry, find_func_region,
18379 clear_function_eh_region, process_nestinfo): Add static prototypes.
18380 (get_reg_for_handler): Hide definition.
18381 (process_nestinfo): Initialize variable `extra_handlers'.
18383 * expr.h (expand_builtin_longjmp): Add extern prototype.
18385 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
18387 * function.c (prepare_function_start): Likewise.
18388 (pop_function_context_from): Mark parameter `context' with
18390 (push_temp_slots_for_block, flush_addressof): Hide definition.
18392 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
18393 solve_program_flow_graph, calculate_branch_probs,
18394 function_summary, main, fancy_abort): Add prototypes.
18396 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
18397 (add_hash): Constify a char*.
18399 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
18400 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
18401 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
18403 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
18405 * lists.c (free_list, zap_lists): Likewise.
18407 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18409 * alias.c (nonlocal_reference_p): Add static prototype.
18411 * bitmap.c (bitmap_element_allocate): Prototype args in function
18414 * builtins.c (stabilize_va_list): Add static prototype.
18415 (expand_builtin_va_arg): Constify a char*.
18417 * c-lex.c (getch, put_back, extend_token_buffer_to,
18418 read_line_number, token_getch, token_put_back): Add static
18421 * c-parse.gperf (hash, is_reserved_word): Likewise.
18423 * cccp.c (is_dir_separator): Likewise.
18425 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18427 * graph.h: New file to prototype functions exported by graph.c.
18429 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
18431 * graph.c: Include graph.h.
18433 * toplev.c: Likewise. Remove redundant prototypes.
18435 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
18437 * invoke.texi: Removed duplicated description for -Q.
18439 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
18441 * extend.texi: Grammar fix in __extension__ text.
18443 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
18445 * md.texi (define_peephole2): New section.
18447 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
18449 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
18450 (mov $-1 to or peepholer): Enable for pentium when optimizing for
18453 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
18455 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
18457 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
18459 * i386.md (ffs expander): Emit Pentium friendly code for
18462 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
18464 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
18466 (build1): Likewise.
18468 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18470 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
18472 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
18474 * config/m68k/m68k.c (use_return_insn): Return false if the pic
18475 register is in use.
18477 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18479 * md.texi (No Constraints): Delete section.
18480 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
18481 * final.c (final_scan_insn): We always have register constraints.
18482 * genattrtab.c: Don't include "insn-config.h".
18483 (write_attr_case): We always have register constraints.
18484 * genconfig.c (register_constraint_flag): Delete.
18485 (walk_insn_part): Don't check whether we have register constraints.
18486 (main): Don't write out "#define REGISTER_CONSTRAINTS".
18487 * genoutput.c (have_constraints): Delete.
18488 (main): Don't set it.
18489 (output_operand_data): We always have constraints.
18490 (scan_operands): Likewise.
18491 (compare_operands): Likewise.
18492 * local-alloc.c (block_alloc): We always have constraints.
18493 (requires_inout): Always compile this function.
18494 * recog.c (extract_insn): We always have constraints.
18495 (constrain_operands, reg_fits_class_p): Always compile these
18497 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
18499 (struct insn_operand_data): Likewise.
18500 * regclass.c (regclass): We always have constraints.
18501 (record_reg_classes, copy_cost, record_address_regs,
18502 auto_inc_dec_reg_p): Always compile these functions.
18503 * regmove.c (regmove_optimize): We always have constraints.
18504 * reload.c (find_reloads): Likewise.
18505 * reload1.c (reload): Likewise.
18506 (reload_cse_simplify_operands): Likewise.
18507 * i860.c (output_delay_insn): Likewise.
18509 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
18511 * iris6.h (BUILD_VA_LIST_TYPE): Define.
18513 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18515 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
18516 for the va_list record.
18518 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
18520 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
18523 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
18525 * alias.c: Include insn-flags.h.
18526 * Makefile.in (alias.o): Update.
18528 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
18530 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
18531 to LTU and GEU. Handle more cases using sbb.
18533 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
18535 * i386.md (truncatexfdf splitters): Do not use subreg.
18536 (fop XFmode patterns): Fix mode in operand testing.
18538 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
18540 * jump.c (jump_optimize_1): Amend last change to test only the
18541 form of the operand, not the insn.
18543 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
18544 not register_operand to determine when B may need preloading.
18546 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
18548 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
18549 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
18550 (call-value patterns): Move to end of file.
18551 (*): Remove mode from label_ref in (pc) context.
18552 (movstrqi): Use memory not general_operand for BLKmode operands.
18553 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
18554 to register_operand operands.
18555 (peep2 patterns): Convert from commented-out peephole patterns.
18557 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18559 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
18560 to BUILT_IN_INIT_DWARF_REG_SIZES.
18561 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
18562 Renamed from BUILT_IN_DWARF_REG_SIZE; call
18563 expand_builtin_init_dwarf_reg_sizes.
18564 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
18565 with __builtin_init_dwarf_reg_size_table.
18566 * dwarf2out.c (struct reg_size_range): Delete.
18567 (expand_builtin_init_dwarf_reg_sizes): New function.
18568 (expand_builtin_dwarf_reg_size): Delete.
18569 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
18570 (expand_builtin_dwarf_reg_size): Don't declare.
18571 * libgcc2.c (dwarf_reg_size_table_initialized): New.
18572 (dwarf_reg_size_table): New.
18573 (init_reg_size_table): New function.
18574 (copy_reg): Use dwarf_reg_size_table.
18575 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
18578 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
18580 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
18581 Correctly build argument list to constructor and destructor functions.
18583 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
18585 * c-tree.h (warn_float_equal): Declare.
18586 * c-decl.c (warn_float_equal): Define.
18587 (c_decode_option): Recognize -W[no-]float-equal.
18588 * c-typeck.c (build_binary_op): Conditionally warn
18589 about equality tests of floating point types.
18590 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
18591 * invoke.texi: Add docs for -Wfloat-equal warning.
18593 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
18595 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
18596 generating RTL directly.
18597 * mips.h (INIT_TARGET_OPTABS): Likewise.
18598 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
18600 * expr.h (init_mov_optab): Delete declaration
18602 * h8300.c (WORD_REG_USED): Update to avoid useless register
18603 saves in interrupt functions and functions which never return.
18605 * cse.c (struct set): Delete inner_dest_loc field.
18606 (cse_insn): Remove assignments to inner_dest_loc field.
18608 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
18610 * ggc-page.c: Don't include <unistd.h> etc taken care of
18611 by "system.h". Include <sys/mman.h> afterward.
18613 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
18615 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
18618 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
18620 * xcoffout.c (xcoffout_declare_function): Add documentation.
18621 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
18622 TARGET_64BIT. Compare constant to -1, not bit pattern.
18623 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
18624 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
18627 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
18629 * dwarf2out.c (add_abstract_origin_attribute): Abort if
18630 origin_die is NULL.
18631 (gen_inlined_enumeration_type_die): Do not abort if the type has
18632 not been writeen out.
18633 (gen_inlined_structure_type_die): Do not abort if the type has
18634 not been writeen out.
18635 (gen_inlined_union_type_die): Do not abort if the type has
18636 not been writeen out.
18637 (gen_tagged_type_instantiation_die): Do not abort if the type
18638 has not been written out.
18640 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18642 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
18644 * reg-stack.c (straighten_stack): Copy hard reg set with
18647 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
18649 * builtins.c (stabilize_va_list): Stabilize array type va_list
18650 to a pointer type, not the base record type.
18651 (expand_builtin_va_copy): Dereference the pointers explicitly;
18652 use the correct size for the copy.
18654 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
18655 (rs6000_va_arg): Likewise.
18657 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
18659 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
18661 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
18663 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
18665 (DECL_BUILT_IN_CLASS): Adjust accordingly.
18667 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
18669 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
18670 (init_ggc): Use it instead of a constant.
18671 (ggc_collect): Bound allocated_last_gc by it.
18673 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
18675 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
18678 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
18680 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
18681 (mips*-*-openbsd*): Let big endian configuration be a fragment.
18682 * configure: Regen.
18683 * config/mips/openbsd.h: New, OpenBSD little endian target.
18684 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
18685 * config/mips/xm-openbsd.h: New, OpenBSD host.
18687 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
18689 * config/m68k/m68k.c (output_function_prologue,
18690 output_function_epilogue): Use
18691 current_function_uses_pic_offset_table instead of regs_ever_live
18692 to decide whether to save/restore pic register.
18693 (legitimize_pic_address): Don't modify regs_ever_live any more.
18695 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
18697 * function.h (struct function): Add x_dont_save_pending_sizes_p.
18698 * stor-layout.c (variable_size): Don't add sizes to the pending
18699 sizes list if x_dont_save_pending_sizes_p is set.
18701 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
18703 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
18704 for symbolic_operand().
18705 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
18707 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18709 * combine.c (gen_rtx_combine): Add missing call to va_end().
18711 * final.c (asm_fprintf): Likewise.
18713 * genattrtab.c (attr_rtx): Likewise.
18715 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
18717 * cse.c: Update comments.
18718 (cse_insn): When converting a conditional/computed jump into
18719 an unconditional jump, always make sure a BARRIER immediately
18720 follows the converted jump. Do not delete unreachable code.
18721 (cse_basic_block): Do not delete unreachable code.
18722 * toplev.c (rest_of_compilation): Move call to
18723 delete_trivially_dead_insns after the conditional call to
18726 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18728 * collect2.c (make_temp_file): Don't prototype.
18730 * gcc.c (make_temp_file): Likewise.
18732 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
18734 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
18736 * varasm.c (asm_emit_uninitialised): New function: Generate
18737 the assembler statements necessary to declare an uninitialised
18739 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
18741 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
18742 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
18744 (assemble_variable): Use asm_emit_uninitialised to emit an
18745 uninitialised variable.
18747 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
18749 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
18750 constant on a 64 bit host. Patch supplied by Geoffrey Keating
18751 <geoffk@cygnus.com>.
18753 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18755 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
18756 * c-common.h (builtin_function): Don't declare.
18758 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
18760 (pushdecl): Likewise.
18761 (finish_decl): Likewise.
18762 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
18763 int. All callers changed.
18764 Set the builtin's DECL_BUILT_IN_CLASS.
18765 * tree.h (enum built_in_class): New.
18766 (enum built_in_function): Delete NOT_BUILT_IN.
18767 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
18769 (DECL_SET_FUNCTION_CODE): Likewise.
18770 (DECL_BUILT_IN_CLASS): New macro.
18771 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
18772 (struct tree_decl): Split builtin function code field into a
18774 (builtin_function): Declare.
18776 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
18778 * optabs.c (init_traps): Fix typo in last change.
18780 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
18782 * toplev.c (rest_of_decl_compilation): Update comment.
18784 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18786 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
18787 in .sbss if appropriate.
18788 (EXTRA_SECTION_FUNCTIONS): Add sbss.
18789 (SBSS_SECTION_ASM_OP): New macro.
18790 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
18791 (EXTRA_SECTIONS): Add in_sbss.
18792 * config/mips/mips.h: Prototype sbss_section.
18794 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
18796 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
18799 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
18801 * optabs.c (init_traps): Register trap_rtx as a GC root.
18803 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18805 * config/mips/mips.c (function_arg_pass_by_reference): Define
18806 unconditionally, since it's called unconditionally.
18808 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
18810 * toplev.c (documented_lang_options): Add -fshort-wchar.
18811 * c-decl.c (c_decode_option): Likewise.
18812 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
18814 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
18815 * gcc.c (default_compilers): If -fshort-wchar,
18816 override __WCHAR_TYPE__.
18817 * tm.texi (C Dialect Options): Add -fshort-wchar.
18819 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
18820 symbol for a variable.
18822 * cpplib.h (CPP_PREPROCESSED): New macro.
18823 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
18824 we're seeing this input for a second time.
18826 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
18828 * emit-rtl.c (init_emit_once): Initialize modes first.
18830 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
18832 * config/i386/i386.c (pic_label_name): Change to char pointer.
18833 (global_offset_table): New variable.
18834 (load_pic_register): Fill global_offset_table if it hasn't
18835 already been done. Allocate pic_label_name dynamically.
18836 * ggc.h (empty_string): New variable.
18837 * ggc-simple.c (empty_string): Likewise.
18838 (init_ggc): Allocate empty_string and add as root.
18839 * stmt.c (digit_strings): New variable.
18840 (init_stmt): Add last_block_end_note as root. Allocate and
18841 initialize digit_strings.
18842 (expand_asm_operands): Use empty_string instead of string
18843 constant. Use digit_strings instead of string constants.
18844 * profile.c (init_arc_profiler): Allocate string with
18845 ggc_alloc_string instead of xmalloc.
18846 (output_func_start_profiler): Likewise.
18847 * c-typeck.c (digest_init): Check if init is error_mark_node.
18849 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
18850 Richard Henderson <rth@cygnus.com>
18852 * ggc-page.c: New file.
18853 * Makefile.in (ggc-page.o): New.
18855 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
18857 * invoke.texi: Document -fdelete-null-pointer-checks
18858 * toplev.c (flag_delete_null_pointer_checks): New.
18859 (f_options): Add entry for -fdelete-null-pointer-checks.
18860 (rest_of_compilation): Conditionalize null pointer check
18861 elimination on flag_delete_null_pointer_checks.
18862 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
18864 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
18866 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
18867 copyright notice and special exception to GPL.
18869 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18871 * abi64.h (mips_function_value): Add prototype arguments.
18873 * mips-protos.h: New file with mips prototypes.
18875 * mips.c: Include "tm_p.h".
18876 (mktemp, lookup_name): Add prototype arguments.
18877 (extern_list, string_constant, mips_fill_delay_slot,
18878 mips_output_external, mips_output_external_libcall,
18879 mips_output_filename, mips_declare_object, function_prologue,
18880 mips_expand_prologue, function_epilogue, mips16_constant,
18881 build_mips16_function_stub, mips_output_conditional_branch):
18883 (mips_va_start): Remove unused variable `u'.
18884 (mips_va_arg): Cast value to unsigned when comparing against one.
18886 (save_restore_insns, mips_expand_prologue): Add missing arg in
18887 call to `large_int'.
18889 * mips.h: Move prototypes to mips-protos.h.
18890 (data_section, memory_address_p, rdata_section,
18891 readonly_data_section, simple_epilogue_p, text_section): Delete
18892 prototypes delcared elsewhere.
18893 (mips_epilogue_delay_slots, print_options): Delete unused decls.
18895 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
18897 * mips.md: Delete extra args in call to `mips_move_2words'.
18899 * xm-iris6.h (alloca): Add prototype argument.
18901 * genpeep.c: Include "tm_p.h" in generated output file.
18903 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18905 * basic-block.h (find_edge_index): Change parameters.
18906 * flow.c (verify_edge_list): Pass basic_block parameters to
18907 find_edge_index instead of integers.
18909 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
18911 * combine.c (simplify_comparison): Use an unsigned shift to adjust
18914 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
18916 * gcc.1: Fix a formatting error.
18918 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18920 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
18921 i786, mn10200, mn10300, pdp11, v850.
18923 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
18925 * libgcc2.c (num_digits): Add prototype with
18926 __attribute__((const)).
18927 (__terminate): Add prototype.
18929 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
18931 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
18933 * alpha/alpha.c (print_operand): Fix type of `code'.
18934 (alpha_output_filename): Constify.
18935 * alpha/alpha.h: Move all function declarations ...
18936 * alpha/alpha-protos.h: ... here. New file.
18937 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
18938 (SECTION_FUNCTION_TEMPLATE): Likewise.
18940 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18942 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
18943 * expr.c (expand_expr): Likewise.
18944 (do_jump): Likewise.
18945 (do_store_flag): Pass ccp_store_flag to can_compare_p.
18946 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
18948 (enum can_compare_purpose): New.
18949 (can_compare_p): Adjust prototype.
18950 (prepare_cmp_insn, prepare_operand): Declare.
18951 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
18952 * optabs.c (cmp_available_p): Deleted.
18953 (expand_abs): Pass ccp_jump to can_compare_p.
18954 (can_compare_p): New arg PURPOSE. Check for combined optabs.
18955 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
18956 Call can_compare_p rather than cmp_available_p.
18957 (prepare_operand): No longer static.
18958 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
18959 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
18960 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
18961 sequence to use emit_cmp_and_jump_insns.
18962 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
18964 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
18966 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
18967 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
18968 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
18969 (plus (reg) (const_int 0))
18970 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
18972 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
18974 * rs6000.c (expand_block_move): DImode loads and stores require
18975 word-aligned displacements. Increment address registers with
18976 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
18978 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
18980 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
18981 is no name for the base type, rather than segfault. If we are
18982 writing out a complex integer type, use DW_ATE_lo_user.
18984 * expr.c (emit_move_insn_1): If we are copying a complex that fits
18985 in one word or less (complex char, complex short, or on 64 bit
18986 systems complex float) to/from a hard register, copy it through
18987 memory instead of dying in gen_{real,imag}part. If we have a
18988 short complex type, prevent inlining since it allocates stack
18991 * tree.c (build_complex_type): If we are writing dwarf2 output,
18992 generate a name for complex integer types.
18994 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18996 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
18997 * flow.c (remove_edge): Remove extra whitespace.
18998 (remove_fake_edges): Fix comment.
18999 (add_noreturn_fake_exit_edges): Use the correct name.
19001 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
19003 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
19004 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
19005 (clean): Depend on INTL_CLEAN.
19006 (maintainer-clean): Adjust.
19008 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19010 * configure.in (AC_PREREQ): Bump to 2.13.
19011 (AC_C_STRINGIZE): Call this instead of using a custom macro.
19013 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
19015 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
19017 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
19019 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
19020 (HAVE_STRINGIZE): Define.
19022 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
19024 * c-parse.in: save and restore warn_pointer_arith on __extension__
19025 along with pedantic.
19026 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
19027 Set the type of extension to itype rather than $<itype>1 kludge.
19028 * extend.texi (Alternate Keywords): Adjust documentation.
19029 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
19031 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
19033 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
19034 most assembler templates.
19036 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
19037 FP loads and stores.
19038 (following_call): Always return zero for the PA8000.
19039 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
19040 FP loads and stores.
19041 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
19043 * pa.h (BRANCH_COST): Define.
19045 * pa.md (return, return_internal): Use bve for PA2.0.
19047 * pa.md (fused multiply): Add variants which reduce height for the
19048 fused multiply, but which still generate 2 insns.
19049 (fnegabs): Similarly.
19051 * pa.md (subsi3): Turn into an expander. Create two anonymous
19052 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
19053 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
19055 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
19057 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
19059 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
19060 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
19062 * regclass.c (init_regs): Add "top_of_stack" as a garbage
19065 * flow.c (record_active_eh_regions): Terminate loop after finding
19066 the last insn in the last basic block.
19068 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19070 * config/c4x/c4x.md: Delete parallel instruction peepholes.
19072 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19074 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
19076 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19078 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
19079 splitting to not use output template.
19081 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19083 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
19084 * config/c4x/c4x.c (c4x_va_start): New function.
19086 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
19088 * genrecog.c (not_both_true): Handle correctly cases when called for
19089 tests with different positions in the insn.
19091 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19093 * machmode.h (HOST_PTR_PRINTF): Move from here ...
19095 * system.h (HOST_PTR_PRINTF): ... to here.
19097 * mips-tfile.c: Don't include machmode.h.
19099 * Makefile.in (MACHMODE_H): New variable. Update to use it.
19100 (mips-tfile.o): Don't depend on machmode.h.
19102 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19104 * haifa-sched.c (sched_analyze): Rename local variable `region' to
19105 avoid conflicts with typedef struct `region' at the top level scope.
19107 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
19109 * basic-block.h (basic_block): Add eh_beg, eh_end.
19110 * flow.c (entry_exit_blocks): Update.
19111 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
19112 Call new functions.
19113 (find_basic_blocks_1): Don't record eh_list at each bb. Use
19114 lists.c functions to allocate insn lists.
19115 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
19117 (make_eh_edge): ... here. New.
19118 (move_stray_eh_region_notes): New.
19119 (record_active_eh_regions): New.
19120 (delete_unreachable_blocks): Split out block merging ...
19121 (try_merge_blocks): ... here. New.
19122 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
19123 Dump debugging data.
19124 (merge_blocks_move_successor_nojumps): Likewise.
19125 (merge_blocks): Use eh_beg+eh_end to validate block movement.
19127 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
19129 * extend.texi (Bound member functions): Document unbound pmf
19132 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19134 * flow.c (split_edge): Handle insertion on a fallthrough edge which
19135 has the EXIT_BLOCK as a dest.
19137 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19139 * flow.c (remove_edge): New function to remove an edge from the
19141 (remove_fake_successors): New function to remove fake successor edges.
19142 (remove_fake_edges): New function to remove all fake edges from the
19144 (add_fake_exit_edges): New function to add fake edges from all blocks
19145 with no successors to the exit block.
19146 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
19147 prototypes for new functions.
19149 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19151 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
19152 Use Pmode to determine whether to output .dword or .word.
19154 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
19156 * tree.c (built_in_filename): New variable.
19157 (BUILT_IN_FILENAME): New macro.
19158 (init_tree_codes): Allocate built_in_filename.
19159 (make_node): Use built_in_filename instead of string constant.
19161 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
19163 * configure.in: Add fr30 target.
19164 * configure: Regenerate.
19165 * config/fr30: New directory.
19166 * config/fr30/crti.asm: New file.
19167 * config/fr30/fr30.c: New file.
19168 * config/fr30/crtn.asm: New file.
19169 * config/fr30/fr30.h: New file.
19170 * config/fr30/fr30.md: New file.
19171 * config/fr30/lib1funcs.asm: New file.
19172 * config/fr30/t-fr30: New file.
19173 * config/fr30/xm-fr30.h: New file.
19175 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
19177 * flow.c (merge_blocks_move_successor_nojumps): Delete the
19178 BARRIER at the end of the successor, not the BARRIER before
19181 * pa.c (pa_add_gc_roots): Fix thinko in last change.
19183 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
19185 * stmt.c (any_pending_cleanups): Don't crash when
19186 current_function->stmt is unset.
19188 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19190 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
19191 other initializations that may use it for relative offsets.
19193 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19195 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
19196 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
19197 * config/i386/sol2dbg.h: Removed.
19198 * config/i386/sol2gas.h: New file, to enable gas work-around.
19199 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
19200 Don't use sol2dbg.h.
19201 * configure: Rebuilt.
19203 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
19205 * invoke.texi (-fthis-is-variable): Remove documentation.
19207 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
19209 * basic-block.h (compute_bb_for_insn): Declare.
19210 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
19211 to use; set size of basic_block_for_insn directly.
19212 (find_basic_blocks): Update.
19214 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19216 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
19218 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19220 * crtstuff.c (ON_EXIT): Delete empty macro definition.
19221 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
19223 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
19225 * c-decl.c (c_decode_option): Extend comment.
19227 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
19229 * toplev.c (progname): Make 'const char *'
19230 (flag_print_mem): Move out of main.
19231 (version_flag): Move out of main.
19232 (filename): Move out of main.
19233 (debug_args): Remove g prefix from options.
19234 (documented_lang_options): Remove cpplib specific options.
19235 (display_help): Add g prefix to debug options.
19236 (check_lang_option): Delete this function.
19237 (decode_d_option): New function: Decode -d... option.
19238 (decode_f_option): New function: Decode -f... option.
19239 (decode_W_option): New function: Decode -W... option.
19240 (decode_g_option): New function: Decode -g... option.
19241 (independent_decode_option): New function: Decode a language
19242 independent command line option.
19243 (main): Invoke lang_decode_option and then
19244 independent_decode_option on each command line option in
19247 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
19249 Revert this change. Gavin's patch to operand_equal_p is a better fix.
19250 * fold-const.c (fold_range_test): Do not try to fold the range
19251 test if the rhs or lhs has side effects.
19253 * basic-block.h (compute_flow_dominators): Declare.
19255 * gcse.c (alloc_code_hoist_mem): New function.
19256 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
19257 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
19258 (hoist_code, one_code_hoisting_pass): Likewise.
19259 (gcse_main): If optimizing for size, then hoist expressions
19260 computed in multiple dominated basic blocks.
19262 * gcse.c (invalid_nonnull_info): New function.
19263 (delete_null_pointer_checks): Likewise.
19264 * rtl.h (delete_null_pointer_checks): Declare.
19265 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
19267 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
19268 (merge-blocks_move_successor_nojumps): Likewise.
19269 (merge_blocks): Allow merging of some blocks, even if it requires
19270 physical movement of the blocks, but not if it requires new jumps.
19272 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
19273 Callers and prototype changed.
19274 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
19276 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19278 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
19279 -YP when both -p and -pg are present. From i386/sol2.h.
19281 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19283 * Makefile.in (distclean): Delete tm_p.h.
19284 * configure.in: Create a new file, "tm_p.h", from a list in
19285 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
19286 "i386/i386-protos.h".
19288 * alias.c: Include "tm_p.h".
19289 * c-typeck.c: Likewise.
19290 * calls.c: Likewise.
19292 * emit-rtl.c: Likewise.
19293 * explow.c: Likewise.
19294 * expmed.c: Likewise.
19295 * expr.c: Likewise.
19296 * final.c: Likewise.
19297 * flow.c: Likewise.
19298 * fold-const.c: Likewise.
19299 * function.c: Likewise.
19300 * gcse.c: Likewise.
19301 * global.c: Likewise.
19302 * haifa-sched.c: Likewise.
19303 * integrate.c: Likewise.
19304 * jump.c: Likewise.
19305 * local-alloc.c: Likewise.
19306 * loop.c: Likewise.
19307 * optabs.c: Likewise.
19308 * recog.c: Likewise.
19309 * reg-stack.c: Likewise.
19310 * regclass.c: Likewise.
19311 * regmove.c: Likewise.
19312 * reload.c: Likewise.
19313 * reload1.c: Likewise.
19314 * reorg.c: Likewise.
19315 * resource.c: Likewise.
19316 * stmt.c: Likewise.
19317 * stor-layout.c: Likewise.
19318 * toplev.c: Likewise.
19319 * tree.c: Likewise.
19320 * unroll.c: Likewise.
19321 * genattrtab.c (main): Make generated file include "tm_p.h".
19322 * genemit.c (main): Likewise.
19323 * genoutput.c (main): Likewise.
19324 * genrecog.c (main): Likewise.
19326 * i386.h: Delete all prototypes.
19327 * i386.c: Include "tm_p.h".
19328 (ix86_attr_length_default): Call constant_call_address_operand
19329 with correct number of arguments.
19330 * i386-protos.h: New file.
19331 * i386.md (unnamed patterns): Call constant_call_address_operand
19332 with correct number of arguments.
19333 (exception_receiver): Call load_pic_register with correct number
19336 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
19338 * c-pragma.c (mark_align_stack): Dereference the void* properly.
19340 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
19342 * rtl.h (insns_safe_to_move_p): New function.
19343 * loop.c (find_and_verify_loops): Use it.
19344 * rtlanal.c (insns_safe_to_move_p): Define it.
19346 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
19348 * c-pragma.c: Include ggc.h.
19349 * Makefile.in (c-pragma.o): Update.
19351 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19353 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
19354 (LIB_SPEC): Likewise.
19355 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
19356 Reindent -YP/-p/-pg.
19357 Copied from config/sparc/sol2.h.
19359 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
19361 * c-pragma.c (mark_align_stack): New.
19362 (init_pragma): New.
19363 * c-pragma.h (init_pragma): Declare it.
19364 * c-lex.c (init_parse): Call it.
19366 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19368 * configure.in: Pick up thread library on Solaris/x86 just
19369 like on Solaris/sparc.
19370 * configure: Rebuilt.
19372 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
19374 * rtl.h (global_rtx_index): New enum.
19375 (global_rtl): Change to array of rtx.
19376 (pc_rtx, cc0_rtx): Redefine accordingly.
19377 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
19378 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
19379 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
19380 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
19381 (const_int_rtx): Change to array of rtx.
19382 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
19384 * emit-rtl.c (global_rtl): Change to array of rtx.
19385 (const_int_rtx): Change to aray of rtx.
19386 (gen_rtx_CONST_INT): Redefine accordingly.
19387 (init_emit_once): Allocate and initialize global_rtl. Likewise
19388 for const_int_rtx. Add both as GC roots.
19389 * genattrtab.c (global_rtl): Update declaration.
19391 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
19393 * Makefile (USER_H): Add iso646.h back.
19395 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
19397 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
19398 zapping the LOG_LINKS of sched_before_next_call.
19400 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
19401 * pa.c (insn_refs_are_delayed): Renamed from
19402 insn_sets_and_refs_are_delayed.
19404 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
19406 * functiion.h (struct function): Add x_whole_function_mode_p.
19407 (retrofit_block): Declare.
19408 * function.c (retrofit_block): New function.
19409 (identify_blocks): Add assertions. Allow an incomplete set of
19410 block notes if we're still generating code for the function.
19411 * integrate.c: Include loop.h.
19412 (expand_inline_function): Call find_loop_tree_blocks to map block
19413 notes to blocks when in whole-function mode. Use retrofit_block
19414 to insert new BLOCKs for the inlined function, rather than
19416 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
19417 * Makefile.in (integrate.o): Depend on loop.h.
19419 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
19421 * tree.h (warn_about_unused_variables): Declare.
19422 * stmt.c (warn_about_unused_variables): New function, split out
19424 (expand_end_bindings): Here.
19426 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
19428 * stmt.c (preserve_subexpressions_p): Don't crash when
19429 current_function->stmt is unset.
19431 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
19433 * stmt.c (expand_start_bindings): Allow callers to pass a flag
19434 indicating that no NOTE_INSN_BLOCK_BEG note is required.
19435 (expand_start_target_temps): Use it.
19436 * except.c (expand_eh_region_start_for_decl): Likewise.
19437 * expr.c (expand_expr): Likewise.
19439 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
19441 * fold-const.c (operand_equal_p): Pay attention to side effects.
19443 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
19445 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
19446 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
19448 * tlink.c (scan_linker_output): Look for keywords before accepting
19449 a mangled name in quotes.
19451 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
19453 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
19454 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
19456 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
19458 * alpha.md: Revert Thu Nov 26 change that came in through the
19459 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
19460 Avoid earlyclobber when possible.
19462 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19464 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
19466 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
19467 Define HAVE_ON_EXIT.
19469 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19471 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
19472 CTYPE_CONV in all ctype macros.
19474 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
19477 * cexp.y (initialize_random_junk): Likewise.
19479 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
19481 * i370.c (handle_pragma): Likewise.
19483 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
19485 * v850.c (override_options): Likewise.
19487 * doprint.c (_doprnt): Likewise.
19489 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
19492 * fixinc/server.c (load_data): Likewise.
19494 * fold-const.c (real_hex_to_f): Likewise.
19496 * genattr.c (write_upcase, gen_attr): Likewise.
19498 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
19499 write_upcase): Likewise.
19501 * genemit.c (print_code): Likewise.
19503 * genopinit.c (gen_insn): Likewise.
19505 * genpeep.c (print_code): Likewise.
19507 * genrecog.c (print_code): Likewise.
19509 * optabs.c (init_libfuncs): Likewise.
19511 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
19513 * haifa-sched.c (sched_analyze): Keep the list of notes organized
19515 (reemit_notes): Likewise.
19517 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
19519 * ggc.h (ggc_root): Move to ggc-common.c.
19521 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
19522 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
19523 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
19524 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
19525 * ggc-common.c (ggc_root): Move from ggc.h.
19526 (roots): Declare, static.
19527 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
19528 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
19529 null or check/set mark bit.
19530 (ggc_mark_roots): New.
19531 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
19533 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
19535 * m32r.c: Include toplev.h.
19536 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
19537 (gen_compare): Rename swap_p to must_swap to match uses.
19538 Add default abort case.
19539 (m32r_output_function_epilogue): Remove unused variables.
19540 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
19541 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
19542 define to empty parameter list. Update all uses.
19543 (predicate decls): Use enum machine_mode not int.
19544 * m32r.md (movsi): Call abort, not fatal_insn.
19545 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
19547 1999-09-14 Andrew Haley <aph@cygnus.com>
19549 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
19550 use $0 instead of 0.
19552 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19554 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
19555 computation out of loop over hard regs.
19557 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
19559 * function.c (identify_blocks): Don't shadow a variable in an
19561 * integrate.c (integrate_decl_tree): Don't use pushlevel,
19562 pushdecl, or poplevel to build up the new BLOCK tree.
19563 (expand_inline_function): Likewise.
19564 (integrate_parm_decls): Likewise.
19566 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
19568 * c-typeck.c (qualify_type): Merge qualifiers from both types.
19570 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
19572 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
19573 * invoke.texi: Document this change.
19575 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
19577 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
19579 (mark_emit_status): Renamed from mark_emit_state.
19580 * except.c (mark_eh_status): Renamed from mark_eh_state.
19581 Check not null before marking.
19582 (free_eh_status): New.
19583 * expr.c (mark_expr_status, free_expr_status): New.
19584 * function.c (free_machine_status): New.
19585 (free_after_parsing): New.
19586 (free_after_compilation): Move bits to free_after_parsing; call
19587 free_eh_status, free_expr_status; zero the marked members of the
19589 (prepare_function_start): No can_garbage_collect.
19590 Call init_eh_for_function.
19591 (expand_dummy_function_end): Free up current_function state.
19592 (mark_function_status): Renamed from mark_function_state.
19593 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
19594 * function.h (struct function): No can_garbage_collect.
19595 (free_machine_status, free_after_parsing): Declare.
19596 (free_eh_status, free_expr_status): Declare.
19597 * ggc.h (mark_expr_status): Declare.
19598 * stmt.c (free_stmt_status): Free the struct.
19599 (mark_stmt_status): Renamed from mark_stmt_state.
19600 (init_stmt): Don't call init_eh.
19601 (init_stmt_for_function): Don't call init_eh_for_function.
19602 * toplev.c (compile_file): Call init_eh.
19603 (rest_of_compilation): Free basic block info before ggc_collect.
19604 Call free_after_parsing; conditionally call free_after_compilation.
19605 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
19606 Check not null before marking.
19607 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
19609 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
19611 * c-lex.c (yylex): Initialize warn.
19613 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
19615 * pa.c (emit_move_sequence): Properly set the mode of the scratch
19616 register when performing secondary reloads for the SAR register.
19618 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
19620 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
19621 (NOTE_BLOCK): New macro.
19622 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
19623 * function.h (identify_blocks): Change prototype.
19624 * function.c (identify_blocks): Simplify.
19625 (reorder_blocks): Likewise.
19626 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
19627 NOTE_INSN_BLOCK_{BEG,END}.
19628 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
19629 the list of saved notes if the note isn't a
19630 NOTE_INSN_BLOCK_{BEG,END}.
19631 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
19633 (reemit_notes): Adjust recreation of notes to reflect new saved
19635 * print-rtl.c (print_rtx): Print the address of the BLOCK when
19636 printing a block note.
19637 * stmt.c (block_vector): Remove.
19638 (find_loop_tree_blocks): Simplify.
19639 (unroll_block_trees): Likewise.
19640 * tree.h (reorder_block): Change prototype.
19642 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
19644 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
19645 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
19646 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
19647 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
19648 (atexit, exit): Simplify.
19649 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
19650 * config/lots: Remove defns of HAVE_ATEXIT.
19652 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
19654 * calls.c (precompute_arguments): Fix typo in comment.
19655 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
19658 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
19660 * dsp16xx.c (override_options): Fix typos in GC root registration.
19662 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
19664 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
19665 from config/svr4.h.
19666 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
19667 (FUNCTION_PROFILER): Redefine appropriately for Linux.
19668 (CC1_SPEC): Likewise.
19670 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19672 * genattr.c (main): Add extern prototype. Call return, not exit.
19673 * genattrtab.c (main): Likewise.
19674 * gencheck.c (main): Likewise.
19675 * gencodes.c (main): Likewise.
19676 * genconfig.c (main): Likewise.
19677 * genemit.c (main): Likewise.
19678 * genextract.c (main): Likewise.
19679 * genflags.c (main): Likewise.
19680 * gengenrtl.c (main): Likewise.
19681 * genopinit.c (main): Likewise.
19682 * genoutput.c (main): Likewise.
19683 * genpeep.c (main): Likewise.
19684 * genrecog.c (main): Likewise.
19686 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
19687 * genattrtab.c (get_insn_name): Likewise.
19688 * gencodes.c (get_insn_name): Likewise.
19689 * genconfig.c (get_insn_name): Likewise.
19690 * genemit.c (get_insn_name): Likewise.
19691 * genextract.c (get_insn_name): Likewise.
19692 * genflags.c (get_insn_name): Likewise.
19693 * genopinit.c (get_insn_name): Likewise.
19694 * genpeep.c (get_insn_name): Likewise.
19696 * gencheck.c (usage): Add static prototype.
19697 * genextract.c (print_path): Constify a char*.
19698 * genopinit.c (optabs): Likewise.
19699 * genoutput.c (operand_data, data, output_predicate_decls,
19700 compare_operands): Likewise.
19701 * genrecog.c (write_tree): Add default case in switch.
19703 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19705 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
19707 * print-rtl.c (get_insn_name): Remove prototype.
19709 * toplev.h (progname): Declare const.
19711 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
19712 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
19713 dump_sched_info, dump_local_alloc, regset_release_memory,
19714 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
19715 error_with_file_and_line, error_with_decl, error_for_asm, error,
19716 fatal, warning_with_file_and_line, warning_with_decl, warning,
19717 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
19718 Remove redundant prototypes.
19720 (notice, check_lang_option, report_file_and_line, vnotice,
19721 mark_file_stack): Add static prototype.
19722 (set_fatal_function): Add prototype.
19723 (vnotice, report_file_and_line, set_fatal_function,
19724 check_lang_option): Constify a char*.
19725 (main): Prototype. Call return, not exit.
19727 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19729 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
19731 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
19733 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
19735 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
19737 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19739 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
19740 behave as if it's zero in all cases.
19741 (expand_function_start): Adjust call to assign_parms.
19742 * tree.h (assign_parms): Adjust prototype.
19743 * objc/objc-act.c (hack_method_prototype): Adjust call to
19746 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
19748 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
19749 arg_pointer_rtx fixed if the argument pointer register is
19751 (NONZERO_BASE_PLUS_P): Likewise.
19753 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
19755 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
19756 match_insn2 to match_insn.
19757 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
19759 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
19761 * Makefile.in (USER_H): Remove va-foo.h.
19763 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
19764 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
19765 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
19766 va-spur.h,va-v850.h}: Remove.
19768 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
19770 * sparc/sparc.md (eligible_for_return_delay): New attribute.
19771 (in_return_delay): Use it instead of match_insn.
19773 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19775 * config/alpha/va_list.h (va-alpha.h): Do not include.
19776 (__gnuc_va_list): Typedef as in varargs.h.
19778 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
19780 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
19781 DECL_LIVE_RANGE_RTL.
19783 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
19785 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
19786 not NOTE_BLOCK_NUMBER.
19787 (expand_eh_region_end): Likewise.
19788 (find_exception_handler_labels): Likewise.
19789 (scan_region): Likewise.
19790 (exception_optimize): Likewise.
19791 (update_rethrow_references): Likewise.
19792 (set_insn_eh_region): Likewise.
19793 * final.c (final_scan_insn): Likewise.
19794 * flow.c (make_edges): Likewise.
19795 * integrate.c (expand_inline_function): Likewise.
19796 * print-rtl.c (print_rtx): Likewise.
19798 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
19800 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
19801 terms of builtin functions and types.
19803 * mips.c (mips_build_va_list): New.
19804 (mips_va_start, mips_va_arg): New.
19805 * mips.h (BUILD_VA_LIST_TYPE): New.
19806 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19808 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
19809 (sh_build_va_list, sh_va_start, sh_va_arg): New.
19810 * sh.h (BUILD_VA_LIST_TYPE): New.
19811 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19813 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
19815 * recog.h (struct recog_data): Make dup_num, operand_address_p,
19816 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
19817 (struct insn_data): Likewise with n_operands, n_dups,
19818 n_alternatives, output_format.
19819 * regclass.c (scan_one_insn): Cast n_operands to int before
19820 arithmetic inside comparison.
19822 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
19824 * toplev.c (compile_function): Unconditionally emit nop.
19826 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19828 * haifa-sched.c (actual_hazard): Move declaration of variable
19829 `this_cost' into the scope where it is used.
19831 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19833 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
19834 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
19835 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
19837 * genrecog.c (make_insn_sequence): Call memset, not bzero.
19839 * jump.c (find_insert_position): Don't declare or define unless
19840 !HAVE_conditional_arithmetic.
19841 (returnjump_p_1, delete_prior_computation): Add static prototypes.
19843 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
19845 * recog.c (offsettable_address_p): Prototype function pointer.
19846 (preprocess_constraints): Call memset, not bzero.
19848 * tree.c (tree_node_kind_names): Constify a char*. Make static.
19849 (gcc_obstack_init): Don't declare.
19850 (fix_sizetype): Add static prototype.
19851 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
19852 (tree_cons): Call memset, not bzero.
19854 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
19855 definition in macro ASM_WEAKEN_LABEL.
19856 (mark_const_hash_entry): Add static prototype.
19858 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19860 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
19862 * unroll.c (find_common_reg_term, subtract_reg_term,
19863 loop_find_equiv_value): Add static prototypes.
19864 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
19865 (copy_loop_body): Remove unreachable break statement.
19867 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
19869 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
19871 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19873 Undo some changes from the gcc2 merge:
19874 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
19875 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
19879 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
19880 * emit-rtl.c (gen_lowpart_common): Disable optimization of
19881 initialized float-int union if the value is a NaN.
19883 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
19885 * gthr-win32.h: New file.
19887 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
19888 shared as a valid attribute.
19889 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
19890 * extend.texi: Document `shared' variable attribute.
19892 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
19894 * configure.in: Handle --enable-threads on FreeBSD.
19895 * configure: Rebuit.
19897 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
19899 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
19901 * configure: Rebuilt.
19903 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
19904 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
19905 Rosimildo DaSilva <rdasilva@connecttel.com>
19907 * configure.in (m68k-*-rtemscoff*): Added.
19908 * configure.in (mips64orion-*-rtems*): Converted to ELF.
19909 * configure.in (sparc-*-rtemsaout*): Added as alias for old
19910 sparc-rtems configuration.
19911 * configure.in (sparc-*-rtemself*): Added.
19912 * configure.in (sparc-*-rtems*): Now ELF not a.out.
19913 * config/i386/rtems.h: Added comment.
19914 * config/sparc/rtemself.h: New file.
19916 * configure.in (m68k-rtemself): Added.
19917 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
19918 and DWARF_DEBUGGING_INFO.
19919 * config/m68k/crti.s: New file.
19920 * config/m68k/crtn.s: New file.
19921 * config/m68k/t-crtstuff: New file.
19922 * config/m68k/rtemself.h: New file.
19924 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
19925 global ctor/dtor and C++ exception handling.
19926 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
19927 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
19929 * config/i386/t-rtems-i386: New File.
19931 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
19933 * stmt.c (expand_end_case): Return right away if the case stack is
19936 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
19938 * Makefile.in (version.c): Remove rule incorrectly brought in from
19941 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
19943 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
19944 * msdos/top.sed: Take into account a prepended $(SHELL) to
19946 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
19948 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
19950 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19952 * regmove.c (fixup_match_1): Don't change an unchanging register.
19953 (stable_but_for_p): Renamed to:
19954 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
19955 Changed all callers.
19957 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
19959 * loop.c (strength_reduce): Don't call reg_used_between_p if the
19960 insn from BL2 is after the insn from BL.
19962 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
19964 * recog.h (INSN_OUTPUT_FORMAT_*): New.
19965 (struct insn_data): Merge `template' and `outfun' into `output'.
19966 Add `output_format'.
19967 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
19968 (struct data): Remove `outfun'; add `output_format'.
19969 (name_for_index): Remove declaration.
19970 (output_insn_data): Handle output formats.
19971 (process_template): Emit the bare array for @.
19972 (gen_expand, gen_split): Set output_format to NONE.
19973 * output.h (get_insn_template): Declare.
19974 * final.c (get_insn_template): New.
19975 (final_scan_insn): Use it.
19976 * toplev.c (compile_file): Likewise.
19978 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19979 * i860/i860.c (output_delayed_branch): Likewise.
19980 (output_delay_insn): Likewise.
19982 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19984 * rtl.c (obstack_alloc_rtx): Removed.
19986 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
19988 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
19990 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
19992 * i386.c (call_insn_operand): Reject const_int.
19993 (expander_call_insn_operand): Use call_insn_operand.
19995 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19997 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
19999 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
20001 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
20002 Use DImode operation.
20004 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
20006 * gcc.c: Include sys/resource.h.
20007 (report_times): New flag.
20008 (execute): If report_times is set, calculate and report the
20009 CPU time consumed by each subprocess.
20011 (rus, prus): New globals.
20012 (option_map): Add --time.
20013 (display_help): Document -time.
20014 (process_command): Set report_times if -time is given.
20015 Turn off -pipe if -time is given.
20017 * invoke.texi: Document new option -time.
20019 * configure.in: Check for getrusage. Check if we have to
20020 prototype getrusage.
20021 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
20022 * configure: Regenerate.
20023 * config.in: Regenerate.
20025 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
20027 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
20030 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
20032 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
20033 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
20034 (nan): Return _thenan_sf or _thenan_df as appropriate.
20035 (L_thenan_sf): Define _thenan_sf.
20036 (L_thenan_df): Define _thenan_df.
20038 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
20039 (DPBIT_FUNCS): Add _thenan_df.
20041 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
20043 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
20046 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20048 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
20051 (lang_specific_driver): Don't take a function pointer parameter.
20052 All callers changed.
20054 * gcc.c: Include gcc.h.
20055 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
20056 lang_specific_extra_outfiles, fatal): Don't declare.
20057 (multilib_defaults_raw): Constify.
20058 (read_specs): Call memset, rather than bzero.
20059 (main): Call return, not exit.
20060 (lookup_compiler): Call memcpy, not bcopy.
20061 (fatal): Make extern.
20063 * cppspec.c: Include gcc.h.
20064 (lang_specific_driver): Initialize variable `quote'. Constify a
20065 char*. All calls to the function pointer parameter now
20066 explicitly call `fatal'.
20068 * gccspec.c (lang_specific_driver): Include gcc.h.
20070 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
20072 * arm.c (note_invalid_constants): Use recog_data.operand_type
20075 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20077 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
20080 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
20081 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
20082 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
20083 reload_secondary_in_reload, reload_secondary_out_reload,
20084 reload_secondary_in_icode, reload_secondary_out_icode,
20085 reload_reg_rtx, reload_when_needed): Delete declarations.
20086 (struct reload): New structure.
20087 (rld): Declare new array.
20088 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
20089 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
20090 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
20091 reload_secondary_in_reload, reload_secondary_out_reload,
20092 reload_secondary_in_icode, reload_secondary_out_icode,
20093 reload_reg_rtx, reload_when_needed): Delete definitions.
20095 (whole file): Replace uses of the deleted arrays with uses of rld.
20096 * reload1.c (whole file): Replace uses of the deleted arrays with
20098 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
20099 explicit loops, not with bcopy.
20101 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
20103 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
20104 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
20105 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
20106 insn_name): Delete and consolidate into new structures.
20107 (insn_operand_predicate_fn): New.
20108 (insn_output_fn): New.
20109 (insn_gen_fn): New.
20110 (struct insn_operand_data): New.
20111 (struct insn_data): New.
20113 (OUT_FCN): Update for insn_data change.
20114 * builtins.c (expand_builtin_strlen): Likewise.
20115 (expand_builtin_memcmp): Likewise.
20116 * combine.c (make_extraction, simplify_comparison): Likewise.
20117 * cse.c (canon_reg, cse_insn): Likewise.
20118 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
20119 * expmed.c (store_bit_field, extract_bit_field): Likewise.
20120 (emit_store_flag): Likewise.
20121 * expr.c (convert_move, emit_block_move): Likewise.
20122 (clear_storage, emit_push_insn, expand_increment): Likewise.
20123 (do_store_flag): Likewise.
20124 * expr.h (GEN_FCN): Likewise.
20125 (insn_gen_function): Die.
20126 * final.c (final_scan_insn): Update for insn_data change.
20127 (output_asm_name): Likewise.
20128 * function.c (fixup_var_refs_1): Likewise.
20129 * loop.c (check_dbra_loop): Likewise.
20130 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
20131 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
20132 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
20133 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
20134 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
20135 * regmove.c (gen_add3_insn): Likewise.
20136 * reload.c (push_secondary_reload, combine_reloads): Likewise.
20137 (find_reloads, find_reloads_address_1): Likewise.
20138 (debug_reload_to_stream): Likewise.
20139 * reload1.c (emit_reload_insns, gen_reload): Likewise.
20140 * stmt.c (expand_end_case): Likewise.
20141 * toplev.c (compile_file): Likewise.
20143 * c4x/c4x.c (c4x_process_after_reload): Likewise.
20144 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
20146 * print-rtl.c (insn_name_ptr): Remove declaration.
20147 (get_insn_name): Declare.
20148 (print_rtx): Use it.
20149 * genoutput.c (insn_name_ptr): Remove.
20150 (next_operand_number): New.
20151 (struct operand_data): New.
20152 (null_operand, odata, odata_end): New.
20153 (struct data): Use struct operand_data.
20154 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
20155 (get_insn_name): Renamed from name_for_index.
20156 (output_prologue): Define NO_MD_PROTOTYPES.
20157 (output_predicate_decls): Break out from output_epilogue.
20158 Iterate over the operands list.
20159 (output_operand_data): Break out from output_epilogue. Emit
20160 just the operands list.
20161 (output_insn_data): Break out from output_epilogue. Emit just
20163 (output_epilogue): Remove.
20164 (output_get_insn_name): New.
20165 (constraints, op_n_alternatives, predicates, address_p): Die.
20166 (modes, strict_low, seen): Die.
20167 (scan_operands): Take new param `d' instead of writing to
20168 seven global variables.
20169 (compare_operands): New.
20170 (place_operands): New.
20171 (validate_insn_alternatives): Update for struct data change.
20172 (gen_insn): Don't zero or copy 7 global arrays. Update for
20173 scan_operands; call place_operands.
20174 (gen_peephole, gen_expand, gen_split): Likewise.
20175 (main): Update for new output routines.
20177 * genattr.c (insn_name_ptr): Remove.
20178 (get_insn_name): New function.
20179 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
20180 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
20181 * genrecog.c: Likewise.
20183 * alpha.md (adddi3): Make `pattern' array static.
20185 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20187 * config/c4x/c4x.h (c4x_rpts_cycles_string,
20188 c4x_cpu_version_string): Constify char *.
20189 * config/c4x/c4x.c (c4x_rpts_cycles_string,
20190 c4x_cpu_version_string): Likewise.
20192 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
20194 * tree.c (save_tree_status): Revert 10 Sep change.
20195 (restore_tree_status): Likewise. Call obstack_free with NULL
20196 before freeing the obstack proper.
20198 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
20200 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
20202 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
20203 surrounding context.
20205 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
20207 * tree.c (type_hash_canon): Put all types in the hash-table, when
20210 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
20212 * recog.h (struct recog_data, recog_data): New.
20213 (recog_foo variables): Kill.
20214 * recog.c (recog_operand, recog_operand_loc): Kill.
20215 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
20216 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
20217 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
20218 (recog_data): Define.
20219 (extract_insn): Update all recog_foo references to use recog_data.
20220 (preprocess_constraints, constrain_operands): Likewise.
20221 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
20222 * genattrtab.c (main): Likewise.
20223 * genextract.c (main): Likewise.
20224 * genoutput.c: Likewise.
20225 * genrecog.c (write_subroutine, main): Likewise.
20226 * local-alloc.c (block_alloc): Likewise.
20227 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
20228 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
20229 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
20230 * reload.c (find_reloads, find_reloads_toplev): Likewise.
20231 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
20232 (reload_cse_simplify_operands): Likewise.
20234 * arc/arc.c (arc_final_prescan_insn): Likewise.
20235 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
20236 * h8300/h8300.c (notice_update_cc): Likewise.
20237 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
20238 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
20239 * mn10200/mn10200.c (notice_update_cc): Likewise.
20240 * mn10300/mn10300.c (notice_update_cc): Likewise.
20241 * romp/romp.c (update_cc): Likewise.
20242 * sparc/sparc.c (check_pic): Likewise.
20243 * v850/v850.c (notice_update_cc): Likewise.
20245 * genemit.c (main): Don't declare recog_operand.
20247 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
20249 * ggc.h (rtvec_def): Forward declare.
20250 (tree_node): Likewise.
20251 (ggc_root): Define.
20253 (ggc_set_mark_rtx): Add prototype.
20254 (ggc_set_mark_rtvec): Likewise.
20255 (ggc_set_mark_tree): Likewise.
20256 * ggc-simple.c (ggc_root): Don't define.
20257 (roots): Don't declare.
20258 (ggc_mark_rtx): Remove.
20259 (ggc_mark_rtvec): Likewise.
20260 (ggc_mark_tree): Likewise.
20261 (ggc_mark_varray): Likewise.
20262 (ggc_mark_tree_hash_table_entry): Likewise.
20263 (ggc_mark_tree_hash_table): Likewise.
20264 (ggc_set_mart_rtx): New function.
20265 (ggc_set_mark_rtvec): Likewise.
20266 (ggc_set_mark_tree): Likewise.
20267 (ggc_add_root): Remove.
20268 (ggc_add_rtx_root): Likewise.
20269 (ggc_remove_tree_root): Likewise.
20270 (ggc_add_string_root): Likewise.
20271 (ggc_add_tree_varray_root): Likewise.
20272 (ggc_add_tree_hash_table_root): Likewise.
20273 (ggc_del_root): Likewise.
20274 (ggc_mark_rtx_ptr): Likewise.
20275 (ggc_mark_tree_ptr): Likewise.
20276 (ggc_mark_string_ptr): Likewise.
20277 (ggc_mark_tree_varray_ptr): Likewise.
20278 (ggc_mark_tree_hash_table_ptr): Likewise.
20279 * ggc-common.c: New file.
20280 * Makefile.in (OBJS): Add ggc-common.o.
20281 (ggc-common.o): List dependencies.
20283 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
20285 * cppalloc.c (xstrdup): Use memcpy.
20286 * cpperror.c (cpp_print_containing_files): Don't use
20288 * cpplib.c (conditional_skip): Set temp->lineno.
20289 (do_endif): Make error message less obscure.
20290 (if_directive_name): New function.
20291 (cpp_get_token [case EOF]): Unwind the if stack and generate
20292 error messages for each unterminated conditional in this file.
20293 (parse_string): Do not behave differently if -traditional.
20295 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
20297 * builtins.c (expand_builtin_va_arg): Cope with an array-type
20298 va_list decomposing to pointer-type.
20299 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
20300 (rs6000_va_arg): Likewise.
20302 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
20304 * except.c (start_dynamic_handler): Compute size using
20305 STACK_SAVEAREA_MODE.
20307 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20309 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
20310 include directory headers. Don't define strrchr. Don't provide
20311 my_* replacement functions. Prefer PTR over `pointer_type'.
20312 Don't prototype system functions. Don't redefine getopt.
20314 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
20315 safe_read, safe_write, save_pointers, restore_pointers,
20316 is_id_char, in_system_include_dir, directory_specified_p,
20317 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
20318 find_corresponding_lparen, referenced_file_is_newer,
20319 save_def_or_dec, munge_compile_params, gen_aux_info_file,
20320 process_aux_info_file, identify_lineno, check_source,
20321 seek_to_line, forward_to_next_token_char, output_bytes,
20322 output_string, output_up_to, other_variable_style_function,
20323 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
20324 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
20325 find_static_definition, connect_defs_and_decs, add_local_decl,
20326 add_global_decls, needs_to_be_converted, visit_each_hash_node,
20327 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
20328 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
20329 scan_for_missed_items, edit_file, string_list_cons): Add static
20331 (standard_exec_prefix, target_machine, target_version,
20332 default_syscalls_dir, string_list, string_list_cons, find_file,
20333 do_cleaning): Constify a char*.
20334 (safe_read, safe_write): Use PTR, not a char*.
20335 (is_id_char): Take an int, not a char.
20336 (main): Add prototype. Call return, not exit.
20338 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
20340 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
20341 when comparing types.
20343 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
20345 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
20346 (strength_reduce): Release the varrays from the no-bivs early exit.
20348 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
20349 the loop over the registers.
20351 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
20353 (restore_tree_status): Check that instead when freeing the obstack.
20355 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
20357 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
20360 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20362 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
20363 operand size modifiers.
20365 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20367 * c-common.c (c_common_nodes_and_builtins): Don't build
20369 * c-common.h (enum c_tree_index and related accesor macros): Remove
20370 everything now declared in tree.h.
20371 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20372 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
20373 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
20374 (error_mark_node, void_type_node, char_type_node, integer_type_node,
20375 unsigned_type_node, ptr_type_node, va_list_type_node,
20376 integer_zero_node, null_pointer_node, integer_one_node): Delete.
20377 (init_decl_processing): Call build_common_tree_nodes and
20378 build_common_tree_nodes_2 instead of building their nodes here.
20379 Don't add roots for these nodes.
20380 * stor-layout.c (size_zero_node, size_one_node): Delete.
20381 (set_sizetype): Make a new node for bitsizetype each time.
20382 * tree.c (global_trees): New variable.
20383 (init_obstacks): Add a gc root for it.
20384 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20385 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
20386 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
20387 (build_common_tree_nodes): New function.
20388 (fix_sizetype): New function.
20389 (build_common_tree_nodes_2): New function.
20390 * tree.h (enum tree_index): New.
20391 (global_trees): Declare.
20392 Add accessor macros for all nodes now moved to global_trees.
20393 Delete their declarations.
20395 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
20397 * c-decl.c (finish_function): When processing a nested function,
20398 push and pop GC context around rest_of_compilation.
20400 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
20402 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
20403 Default ix86_arch to PROCESSOR_I386.
20404 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
20405 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
20406 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
20407 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
20408 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
20409 (EXTRA_SPECS): Remove deleted specs.
20411 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
20413 * function.c (assign_stack_local_1): Allocate from
20414 function->x_frame_offset, not frame_offset.
20416 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
20418 * ggc.h (lang_cleanup_tree): Remove.
20419 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
20420 * ggc-callbacks.c (lang_cleanup_tree): Remove.
20422 * c-decl.c (finish_struct): Use ggc_alloc to allocate
20423 TYPE_LANG_SPECIFIC when garbage collecting.
20424 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
20425 (lang_cleanup_tree): Remove.
20427 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
20429 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
20430 * crtstuff.c: Not here.
20431 * dwarf2out.c: Or here.
20432 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
20435 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
20437 * function.h (free_after_compilation): Remove decl parameter.
20438 (free_varasm_status0: Likewise.
20439 (free_emit_status): Likewise.
20440 (free_stmt_status): Likewise.
20441 (free_after_compilation): Likewise.
20442 (init_lang_status): New variable.
20443 (free_lang_status): Likewise.
20444 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
20445 * function.c (init_lang_status): New variable.
20446 (free_lang_status): Likewise.
20447 (push_function_context_to): Don't set function::decl here.
20448 (free_after_copmilation): Make decl parameter implicit. Call
20449 free_lang_status if defined.
20450 (prepare_function_start): Call init_lang_status if defined.
20451 (init_function_start): Set function::decl here.
20452 * profile.c (output_func_start_profiler): Don't call pushdecl
20453 until we've actually started the function.
20454 * stmt.c (free_stmt_status): Make decl parameter implicit.
20455 * toplev.c (rest_of_compilation): Don't pass decl to
20456 free_after_compilation.
20457 * varasm.c (free_varasm_status): Likewise.
20459 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20461 * except.c (call_get_eh_context): Add root when allocating static
20464 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
20466 * arm.c: Include "ggc.h".
20467 (arm_add_gc_roots): New function.
20468 (arm_override_options): Call it.
20469 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
20471 * arm.md (define_asm_attributes): Add a pool_range attribute.
20473 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
20475 * extend.texi (Volatiles): New node.
20477 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
20479 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
20480 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
20481 (struct ggc_any): Replace `mark' with `magic_mark'.
20482 (ggc_alloc_string): Use memcpy, not bcopy.
20483 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
20484 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
20485 (ggc_free_any): New.
20486 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
20487 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
20488 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
20489 Use IS_MARKED. Use ggc_free_any.
20491 1999-09-09 Scott Bambrough <scottb@netwinder.org>
20493 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
20495 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
20497 * toplev.c (main): Always init_ggc.
20499 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
20501 * except.c (find_all_handler_type_matches): Free the list if
20502 we found no matches.
20504 * combine.c (SUBST): Break out to a real function do_SUBST.
20505 (SUBST_INT): Likewise.
20506 * gcse.c (free_pre_mem): Free `temp_bitmap'.
20507 (pre_insert): Free `inserted'.
20508 * loop.c (basic_induction_var): Always set `location'.
20510 * function.c (expand_function_end): Add initial_trampoline as a root.
20511 * rtl.h (init_varasm_once): Declare.
20512 * toplev.c (compile_file): Call it.
20513 * ggc-simple.c (ggc_mark_string_ptr): New.
20514 (ggc_add_string_root): New.
20515 (ggc_collect): Disable collection avoidance temporarily.
20516 * ggc.h (ggc_add_string_root): Declare.
20517 * except.c (create_rethrow_ref): Use ggc_alloc_string.
20518 * optabs.c (init_libfuncs): Likewise.
20519 * varasm.c (named_section): Use ggc_alloc_string.
20520 (make_function_rtl): Likewise.
20521 (make_decl_rtl): Likewise.
20522 (assemble_static_space): Likewise.
20523 (assemble_trampoline_template): Likewise.
20524 (output_constant_def): Likewise.
20525 (force_const_mem): Likewise.
20526 (mark_const_hash_entry): New.
20527 (mark_pool_sym_hash_table): New.
20528 (mark_varasm_state): Use it.
20529 (init_varasm_once): New.
20531 * expr.h (init_one_libfunc): Declare.
20532 * optabs.c (init_one_libfunc): New.
20533 (init_optabs): Use it.
20534 * config/gofast.h: Likewise.
20535 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
20536 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
20538 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
20540 * Makefile.in (cppexp.o): Depend on cpphash.h.
20541 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
20543 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
20544 * cpplib.c (do_define): Generalise to handle poisoned definitions,
20545 redefining poisoned identifiers, etc.
20546 (do_undef): Don't allow poisoned identifiers to be undefined.
20547 (do_pragma): Add #pragma poison.
20548 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20550 * cccp.c: Add T_POISON node type.
20551 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
20553 (do_define): Generalise to handle poisoned definitions,
20554 redefining poisoned identifiers, etc.
20555 (do_undef): Don't allow poisoned identifiers to be undefined.
20556 (do_pragma): Add #pragma poison.
20557 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20559 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
20560 * c-pragma.h: Add ps_poison state. We now always have generic
20563 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
20565 * ggc.h (ggc_alloc): New function.
20566 (ggc_mark): Likewise.
20567 * ggc-simple.c (ggc_any): New structure.
20568 (ggc_status): Add anys.
20569 (n_anys_collected): New variable.
20570 (ggc_alloc): Define.
20571 (ggc_mark): Likewise.
20572 (ggc_collect): Collect the anys.
20574 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20576 * c-decl.c (mark_binding_level): Make static to match prototype.
20578 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
20580 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
20582 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
20584 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
20585 will use into account. Expand the max width to 5.
20588 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
20590 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
20591 for the rtx length.
20593 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
20595 * alpha.md (call value patterns): Remove the result predicates.
20597 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
20599 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
20602 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20604 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
20605 changed from extern char *, to extern PTR. Also fix typo in
20606 NEED_DECLARATION_REALLOC test.
20608 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
20610 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20612 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
20613 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
20614 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
20615 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
20617 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
20619 * cccp.c (pcfinclude): Likewise.
20621 * global.c (allocno_compare): Likewise.
20623 * haifa-sched.c (rank_for_schedule): Likewise.
20625 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
20627 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
20629 * stupid.c (stupid_reg_compare): Likewise.
20631 * tree.c (_obstack_allocated_p): Likewise.
20633 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
20635 1999-09-08 Bruce Korb autogen@linuxbox.com
20637 * Makefile.in: Give the hapless gperf user a hint about
20638 why "gperf -F" fails.
20640 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
20642 * lists.c: Include ggc.h.
20644 (init_EXPR_INSN_LIST_cache): Install it.
20646 * ggc-simple.c (init_ggc): Absorb the old init.
20647 (ggc_push_context): Use xcalloc.
20648 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
20649 (ggc_collect): Add [rvts] tags to the collection stats.
20651 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
20653 * cccp.c (main): Fix handling of -include and -imacros options.
20655 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
20657 * cpplib.c (cpp_push_buffer): Fix order of arguments.
20659 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20661 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
20664 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
20666 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
20667 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
20668 and SET_DEST. Update comment.
20670 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20672 * config/c4x/c4x.c: Include ggc.h.
20673 (c4x_add_gc_roots): New function.
20674 (c4x_override_options): Call c4x_add_gc_roots.
20676 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
20678 * defaults.h (TARGET_ESC): Move ...
20679 * system.h: ... here, where Linas had it in the first place. Silly me.
20681 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
20683 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
20684 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
20685 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
20686 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
20687 * defaults.h (TARGET_ESC): Add default.
20689 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
20691 * configure.in: add i370-*-openedition, i370-*-mvs and
20692 i370-*-linux targets
20694 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
20696 * dsp16xxx.c: Include ggc.h
20697 (override_options): Mark GC roots.
20698 * mn10200.c: Include ggc.h.
20699 (asm_file_start): Mark GC roots.
20700 * tahoe.c: Include ggc.h.
20701 (extensible_operand): Mark GC roots.
20703 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
20705 * README: Add section discussing status of ELF ABI.
20706 * i370.c: Fix misc spelling mistakes.
20707 (i370_label_scan): Updated notes, exception handling.
20708 (i370_function_prolog): Simplify ELF stack handling.
20709 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
20710 (STACK_GROWS_DOWNWARD): ELF stack grows down.
20711 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
20712 * i370.md: (movdi): Add notes.
20713 (floatsidf2): Use stack not rtca for scratch float area.
20714 (iorsi3): Correct operand constraints.
20715 * x-oe: Restore TAROUTOPTS which are used by pax.
20717 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
20719 * rs6000.c: Include ggc.h.
20720 (rs6000_add_gc_roots): New function.
20721 (override_options): Call it.
20723 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
20725 * alpha.h (alpha_compare): New.
20726 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
20727 * alpha.c: Likewise for the definitions.
20728 (alpha_emit_conditional_branch): Update for alpha_compare.
20729 (alpha_emit_conditional_move): Likewise.
20730 * alpha.md (cmpdf, cmpdi): Likewise.
20731 (setcc patterns): Likewise. Zero alpha_compare after use.
20732 (sne): Optimize (x != 0) into (0U < x).
20734 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
20736 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
20737 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
20738 (INIT_EXPANDERS): Remove.
20739 * alpha.c: Include ggc.h.
20740 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
20741 (alpha_init_machine_status, alpha_mark_machine_status): New.
20742 (override_options): Install them.
20743 (struct machine_function): Moved to alpha.h.
20744 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
20745 (alpha_init_expanders): Remove.
20746 (alpha_return_addr): Adjust to use current_function->machine.
20747 (alpha_ra_ever_killed): Likewise.
20748 (alpha_expand_epilogue): Likewise.
20749 * alpha.md (eh_epilogue): Likewise.
20751 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
20752 Melissa O'Neill <oneill@cs.sfu.ca>
20753 Geoffrey Keating <geoffk@cygnus.com>
20755 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
20756 call-used registers (call-saved registers must still be contiguous
20757 and end with r31, of course).
20759 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
20761 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
20762 (self_promoting_type_p): Delete.
20763 (self_promoting_args_p): Move ...
20764 * c-common.c: ... here.
20765 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
20766 (simple_type_promotes_to): New.
20767 * builtins.c (lang_type_promotes_to): New.
20768 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
20769 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
20770 * c-common.h: ... here.
20771 (self_promoting_args_p, simple_type_promotes_to): Declare.
20772 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
20773 (grokdeclarator): Likewise.
20774 * tree.h (lang_type_promotes_to): Declare.
20776 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
20778 Add some machine-dependent GC roots.
20779 * sparc.c: Include ggc.h.
20780 (sparc_add_gc_roots): New function.
20781 (mark_ultrasparc_pipeline_state): Likewise.
20782 (override_options): Call sparc_add_gc_roots.
20783 * pa.c: Include ggc.h.
20784 (pa_add_gc_roots): New function.
20785 (mark_deferred_plabels): Likewise.
20786 (override_options): Call pa_add_gc_roots.
20787 * mips.c: Include ggc.h.
20788 (mips_add_gc_roots): New function.
20789 (override_options): Use it.
20791 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20793 * cpperror.c (cpp_file_line_for_message): Constify a char*.
20795 * cppexp.c (parse_number, parse_charconst, cpp_lex,
20796 cpp_parse_expr): Add static prototypes.
20797 (parse_charconst): Don't cast away const-ness.
20798 (token): Constify a char*.
20800 * cppfiles.c (file_name_list, include_hash, find_include_file,
20801 finclude, initialize_input_buffer): Constify a char*.
20802 (file_cleanup, find_position): Add static prototypes.
20804 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
20805 collect_expansion): Add static prototypes.
20806 (cpp_install, create_definition, monthnames): Constify a char*.
20808 * cpphash.h (cpp_install): Likewise.
20810 * cppinit.c (known_suffixes, default_include,
20811 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
20812 (base_name, dump_special_to_buffer, initialize_dependency_output):
20813 Add static prototypes.
20815 * cpplib.c (my_strerror): Constify a char*.
20816 (null_underflow, null_cleanup, skip_comment, copy_comment,
20817 copy_rest_of_line, handle_directive, pass_thru_directive,
20818 get_directive_token, read_line_number, cpp_print_file_and_line,
20819 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
20820 v_cpp_warning_with_line, detect_if_not_defined,
20821 consider_directive_while_skipping): Add static prototypes.
20822 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
20823 cpp_pedwarn_with_file_and_line): Constify a char*.
20825 * cpplib.h (cpp_options, include_hash, progname, definition,
20826 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
20827 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
20828 find_include_file, deps_output, include_hash): Constify a char*.
20830 * cppmain.c (progname): Constify.
20831 (main): Add prototype. Use return, not exit.
20833 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
20834 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
20835 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
20836 check_protection): Add static prototype.
20838 (progname, recognized_macrom, recognized_extern): Constify a char*.
20839 (main): Add prototype.
20841 * gen-protos.c (progname): Constify a char*.
20843 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
20845 * emit-rtl.c (free_emit_status): Take decl as a parameter.
20846 (init_emit_once): Add more GC roots.
20847 * except.c (mark_func_eh_entry): New function.
20848 (mark_eh_node): Mark false_label and rethrow_label.
20849 (init_eh): Add more GC roots.
20850 * function.c (free_after_compilation): Take decl as a paramter.
20851 Call free_stmt_status.
20852 (mark_function_state): Don't assume x_parm_reg_stack_loc is
20854 * function.h (free_after_compilation): Change prototype.
20855 (free_varasm_status): Likewise.
20856 (free_emit_status): Likewise.
20857 (free_stmt_status): New function.
20858 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
20859 Remove, replacing with ...
20860 (ggc_status): New structure.
20861 (ggc_chain): New variable.
20862 (init_gcc): Define.
20863 (ggc_push_context): New function.
20864 (ggc_pop_context): Likewise.
20865 (ggc_alloc_rtx): Adjust for use of ggc_chain.
20866 (ggc_alloc_rtvec): Likewise.
20867 (ggc_alloc_tree): Likewise.
20868 (ggc_alloc_string): Likewise.
20869 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
20870 (ggc_mark_tree): Give language-dependent code a chance to mark
20872 (ggc_mark_tree_varray): Handle empty arrays.
20873 (ggc_collect): Adjust for use of ggc_chain. Clear
20874 bytes_alloced_since_last_gc.
20875 * ggc.h (ggc_pop_context): New function.
20876 (ggc_push_context): Likewise.
20877 * print-tree.c (print_node): Don't print obstacks when GC'ing.
20878 * stmt.c (free_stmt_status): New function.
20879 (init_stmt_for_function): Clear last_expr_value.
20880 * toplev.c (rest_of_compilation): Always call free_after_compilation.
20881 Conditionalize call to ggc_collect.
20882 (main): Call init_ggc.
20883 * tree.c (push_obstacks): Do the push, even when GC'ing.
20884 (push_obstacks_nochange): Likewise.
20885 (pop_obstacks): Liekwise.
20886 * varasm.c (free_varasm_status): Take decl as a parameter.
20888 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
20890 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
20891 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
20892 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
20893 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
20895 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
20897 * pa/x-pa-mpeix: New file for the MPE port.
20899 * pa/quadlib.asm: New file for long double support.
20901 * configure.in: Add hppa1.0-*-mpeix for MPE port.
20902 * configure: Rebuilt.
20904 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
20906 * final.c (shorten_branches): Fix last change.
20908 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
20910 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
20912 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
20914 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
20917 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20919 * c-aux-info.c (concat): Don't define.
20921 * cccp.c (my_strerror): Likewise. All callers changed to use
20923 (do_include): Call xstrdup, not xmalloc/strcpy.
20924 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
20925 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
20927 * collect2.c (my_strsignal): Likewise. All callers changed to use
20929 (locatelib): Call xstrdup, not xmalloc/strcpy.
20931 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
20933 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
20935 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
20937 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
20939 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
20941 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
20943 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
20945 (find_all_handler_type_matches): Likewise. Don't check return
20947 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
20948 xmalloc, not malloc.
20949 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
20951 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
20952 (init_spec): Call xcalloc, not xmalloc/bzero.
20953 (set_spec): Call xstrdup, not save_string.
20954 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
20955 (find_a_file): Call xstrdup, not xmalloc/strcpy.
20956 (process_command): Call xstrdup, not save_string.
20957 (main): Call xcalloc, not xmalloc/bzero.
20959 * gcov.c (xmalloc): Don't define.
20960 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
20961 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
20962 (output_data): Call xcalloc, not xmalloc/bzero.
20964 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
20966 * mips-tdump.c (xmalloc): Don't define.
20967 (print_symbol): Call xmalloc, not malloc.
20968 (read_tfile): Call xcalloc, not calloc.
20970 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
20971 Don't define. All callers of xfree/my_strsignal changed to use
20972 free/strsignal instead.
20973 (allocate_cluster): Call xcalloc, not calloc.
20975 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
20976 Fix memory leak, free allocated memory.
20978 * prefix.c (translate_name): Call xstrdup, not save_string.
20979 (update_path): Likewise.
20981 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
20983 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
20984 Don't define. Callers of xfree/savestring2 changed to use
20985 free/concat instead.
20987 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
20988 (init_elim_table): Likewise.
20990 * resource.c (init_resource_info): Likewise.
20992 * stupid.c (stupid_life_analysis): Likewise.
20994 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
20995 (open_dump_file): Call concat, not xmalloc/strcpy/...
20996 (clean_dump_file): Likewise.
20997 (compile_file): Call xstrdup, not xmalloc/strcpy.
20999 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
21001 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
21002 * v850.c (v850_va_arg): New.
21004 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21006 * haifa-sched.c: Tidy comments.
21008 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21010 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
21011 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
21012 $(out_object_file)): Depend on ggc.h.
21013 * c-common.c: Include "ggc.h".
21014 (combine_strings): If doing GC, use ggc_alloc_string.
21015 * c-decl.c: Include "ggc.h".
21016 (ggc_p): Define with value 0.
21017 (mark_binding_level): New function.
21018 (init_decl_processing): Add GC roots.
21019 (mark_c_function_context): New function.
21020 (lang_mark_false_label_stack): New function.
21021 (lang_mark_tree): New function.
21022 (lang_cleanup_tree): New function.
21023 * c-lang.c: Include "ggc.h".
21024 (lang_init): Call c_parse_init.
21025 * c-lex.c: Include "ggc.h".
21026 (check_linenum): If doing GC, don't copy filenames to permanent
21028 * c-parse.in: Include "ggc.h".
21029 (c_parse_init): New function.
21030 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
21031 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
21033 * except.c (mark_eh_state): Mark more state.
21034 * function.c (mark_function_state): Likewise.
21035 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
21036 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
21037 * toplev.c (mark_file_stack): New function.
21038 (compile_file): If doing GC, use ggc_alloc_string on input filename.
21039 (main): Add root for input_file_stack.
21041 * i386.c: Include "ggc.h".
21042 (ix86_mark_machine_status): New function.
21043 (override_options): Set mark_machine_status.
21045 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21047 * tree.c (copy_node): Copy node contents also if doing GC.
21049 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
21051 * collect2.c (scan_libraries): Fix double-thinko :-).
21053 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
21055 * collect2.c (scan_libraries): Fix thinko.
21057 * cse.c (delete_trivially_dead_insns): Do not skip the last
21058 insn if it is a real insn.
21060 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
21062 * Makefile.in (ggc-simple.o): Depend on hash.h.
21063 * ggc.h (ggc_add_tree_hash_table_root): Declare.
21064 (ggc_mark_tree_varray): Likewise.
21065 (ggc_mark_tree_hash_table): Likewise.
21066 * ggc-simple.c: Include hash.h.
21067 (ggc_mark_tree_hash_table_ptr): New function.
21068 (ggc_mark_tree_hash_table_entry): Likewise.
21069 (ggc_mark_tree_hash_table): Likewise.
21070 (ggc_add_tree_hash_table_root): Likewise.
21071 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
21072 rtx, when defining fields.
21074 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
21076 * profile.c (output_func_start_profiler): Remove apparently
21077 nonsensical call to start_sequence.
21079 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
21081 * clipper/clipper.c (clipper_va_start): Fix typos.
21083 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
21084 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
21085 (spur_va_arg): New stub.
21087 * configure.in: Comment out pyramid.
21089 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
21091 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
21092 don't conflict with the bits that win32, cygwin, and dgux
21095 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
21096 Bernd Schmidt <bernds@cygnus.co.uk>
21098 * integrate.c (function_cannot_inline_p): Do not inline
21099 functions with forced labels.
21101 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
21102 Bernd Schmidt <bernds@cygnus.co.uk>
21103 Mark Mitchell <mark@codesourcery.com>
21105 * Makefile.in (ggc-simple.o): Depend on varray.h.
21106 (rtl.o): Depend on ggc.h.
21107 (genattrtab.o): Depend on ggc.h.
21108 (print-tree.o): Likewise.
21109 (fold-const.o): Likewise.
21110 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
21111 (make_insn_raw): Don't cache insns when GC'ing.
21112 (emit_insn_before): Likewise.
21113 (emit_insn_after): Likewise.
21114 (emit_insn): Likewise.
21115 (start_sequence): Use xmalloc to allocate the sequence_stack.
21116 (end_sequence): Add free to free it.
21117 (gen_sequence): Don't cache insns when GC'ing.
21118 (clear_emit_caches): Don't use sequence_element_free_list.
21119 (init_emit): Use xcalloc, not xmalloc+bzero.
21120 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
21121 * function.c (pop_function_context_from): Use free to free the
21122 fixup_var_refs_queue.
21123 (put_reg_into_stack): Allocate it with xmalloc.
21124 * genattrtab.c: Include ggc.h.
21125 (operate_exp): Don't use obstack_free when GC'ing.
21126 (simplify_cond): Likewise.
21127 (simplify_text_exp): Likewise.
21128 (optimize_attrs): Likewise.
21129 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
21131 (gencode): Generate a #include for ggc.h.
21132 * ggc-callbacks.c (ggc_p): Define it to zero.
21133 * ggc-none.c (ggc_p): Likewise.
21134 * ggc-simple.c: Include varray.h.
21135 (ggc_mark_tree_varray): New function.
21136 (ggc_add_tree_varray_root): Likewise.
21137 (ggc_mark_tree_varray_ptr): Likewise.
21138 * ggc.h (ggc_p): Declare.
21139 (varray_head_tag): Likewise.
21140 (ggc_add_tree_varray_root): Declare.
21141 * print-tree.c (print_node): Don't check for TREE_PERMANENT
21142 inconsistencies when GC'ing.
21143 * rtl.c: Include ggc.h.
21144 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
21145 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
21146 (rtx_free): Don't call obstack_free when GC'ing.
21147 * toplev.c (rest_of_compilation): Call ggc_collect after every
21149 * tree.c (push_obstacks): Do nothing, if GC'ing.
21150 (pop_obstacks_nochange): Likewise.
21151 (pop_obstacks): Likewise.
21152 (make_node): Use ggc_alloc_tree when GC'ing.
21153 (copy_node): Likewise.
21154 (get_identifier): Use ggc_alloc_string when GC'ing.
21155 (build_string): Likewise.
21156 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
21157 (tree_cons): Likewise.
21158 (build1): Likewise.
21159 (type_hash_canon): Don't call obstack_free when GC'ing.
21161 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
21163 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
21164 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
21166 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
21167 Bernd Schmidt <bernds@cygnus.co.uk>
21168 Mark Mitchell <mark@codesourcery.com>
21170 * Makefile.in (stor-layout.o): Depend on ggc.h.
21171 (expr.o): Depend on ggc.h.
21172 (profile.o): Depend on ggc.h.
21173 (stor-layout.o): Depend on ggc.h.
21174 * emit-rtl.c (init_emit_once): Add gc roots.
21175 * expr.c: Include ggc.h.
21176 (emit_block_move): Add gc roots.
21177 (clear_storage): Likewise.
21178 * expr.h (init_stor_layout_once): New function.
21179 * profile.c: Include ggc.h.
21180 (init_arc_profiler): profiler_label is a root.
21181 * scan.c (make_sstring_space): Trust xrealloc to function
21182 correctly with first parameter NULL.
21183 * stor-layout.c: Include ggc.h.
21184 (set_sizetype): Add gc root.
21185 (init_stor_layout_once): New function.
21186 * toplev.c (compile_file): Call it.
21188 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
21189 Bernd Schmidt <bernds@cygnus.co.uk>
21190 Mark Mitchell <mark@codesourcery.com>
21192 * Makefile.in (tree.o): Depend on ggc.h.
21193 (varasm.o): Likewise.
21194 (function.o): Likewise.
21195 (stmt.o): Likewise.
21196 (except.o): Likewise.
21197 (optabs.o): Likewise.
21198 (emit-rtl.o): Likewise.
21199 * emit-rtl.c: Include ggc.h.
21200 (sequence_element_free_list): Remove, and all references.
21201 (mark_sequence): New functions.
21202 (mark_emit_state): New function.
21203 * except.c: Include ggc.h.
21204 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
21205 (mark_tree_label_node): New functions.
21206 (mark_eh_state): New function.
21207 * function.c: Include ggc.h.
21208 (mark_temp_slot, mark_function_chain): New functions.
21209 (mark_function_state): New function.
21210 (init_function_once): New function.
21211 * function.h (init_function_once): New function.
21212 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
21213 * ggc.h (label_node): Declare.
21214 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
21215 (lang_mark_false_label_stack): New function.
21216 (mark_temp_slot): Remove declaration.
21217 (mark_function_chain): Likewise.
21218 (mark_eh_state): Adjust prototype.
21219 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
21221 * optabs.c: Include ggc.h.
21222 (mark_optab): New function.
21223 (init_optabs): Add gc roots.
21224 * stmt.c: Include ggc.h.
21225 (mark_cond_nesting, mark_loop_nesting): New functions.
21226 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
21227 (mark_stmt_state): New function.
21228 * toplev.c (compile_file): Call init_function_once.
21229 * tree.c: Include ggc.h.
21230 (type_hash): Move declaration earlier in file.
21231 (TYPE_HASH_SIZE, type_hash_table): Likewise.
21232 (init_obstacks): Add gc roots.
21233 (mark_type_hash): New function.
21234 * varasm.c: Include ggc.h.
21235 (mark_pool_constant): New function.
21236 (mark_varasm_state): New function.
21238 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21240 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
21242 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21244 * c-decl.c (struct language_function): Renamed from struct c_function.
21246 (c_function_chain): Delete.
21247 (push_c_function_context): New arg F. Don't warn about nested
21248 functions here. Fill LANGUAGE elt of F. Delete code to update
21249 c_function_chain. Don't call push_function_context.
21250 (pop_c_function_context): New arg F. Restore from there instead of
21251 from c_function_chain. Don't call pop_function_context. Clear out
21252 LANGUAGE field of F when done.
21253 * c-lang.c: Include "function.h"
21254 (lang_init): Initialize save_lang_status and restore_lang_status.
21255 * c-parse.in (nested_function, nested_function_notype): Warn about
21256 nested functions. Call push_function_context/pop_function_context
21257 instead of the _c_ variants.
21258 * c-tree.h (push_c_function_context, pop_c_function_context): Update
21260 * Makefile.in (c-lang.o): Update dependencies.
21262 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
21263 regno_pointer_flag, regno_pointer_align.
21264 (gen_reg_rtx): Use xrealloc to enlarge them.
21265 (free_emit_status): New function.
21266 * function.c (mark_machine_status, mark_lang_status): New variables.
21267 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
21268 in some bits from assign_stack_local. All callers changed to use new
21270 (assign_stack_local): Just call assign_stack_local_1.
21271 (free_after_compilation): New function.
21272 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
21273 (trampoline_address): Likewise.
21274 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
21275 (prepare_function_start): Explicitly clear some more variables.
21276 * function.h (struct function): New elt can_garbage_collect.
21277 (mark_machine_status, mark_lang_status): Declare variables.
21278 (free_after_compilation, free_emit_status, free_varasm_status,
21279 init_varasm_status): Declare functions.
21280 * toplev.c (rest_of_compilation): Call free_after_compilation when
21281 done with the current function.
21282 * varasm.c (free_varasm_status): New function.
21284 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
21286 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
21287 (EXPAND_BUILTIN_VA_ARG): Define.
21288 * sparc.c (sparc_va_start): New.
21289 (sparc_va_arg): New.
21291 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21293 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
21295 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21297 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
21299 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
21301 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
21302 (OBJS): Add $(GGC).
21303 (ggc-callbacks.o): New target.
21304 * ggc-callbacks.c: New file.
21306 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21308 * expr.h: Collapse individual optab and libfunc vars to arrays.
21309 (optab_index, libfunc_index): New enumerations.
21310 (optab_table, libfunc_table): New arrays.
21311 Add accessor macros for both.
21313 * optabs.c (optab_table, libfunc_table): New.
21314 Delete declarations for individual optab and libfunc vars.
21316 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
21318 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
21320 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
21322 * Makefile.in (GGC, GGC_LIB): New.
21323 (HOST_RTL): Include ggc-none.o.
21324 (ggc-simple.o): New target.
21325 (ggc-none.o): Likewise.
21326 * tree.h (tree_common): Add gc_mark.
21327 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
21328 (struct rtvec_def): Add gc_mark.
21329 * emit-rtl.c (global_rtl): Update static initializers to contain
21330 enough initializers.
21331 * ggc.h, ggc-none.c, ggc-simple.c: New files.
21332 * toplev.c (gc_time): New variable.
21333 (all_time): New variable.
21334 (compile_file): Print gc time.
21335 (print_time): Calculate percentage of the whole.
21337 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21339 Change obstack memory management and varasm constant pool handling so
21340 that nested functions are treated like any other functions.
21341 * function.c (init_machine_status): New variable.
21342 (push_function_context_to): Set contains_functions for the outer
21343 function. Don't call save_varasm_status.
21344 (pop_function_context_from): Don't call restore_varasm_status. Don't
21345 set current_function_contains_functions.
21346 (prepare_function_start): Call init_varasm_status rather than
21347 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
21349 * function.h (struct function) Add field varasm. Delete fields
21350 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
21351 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
21352 (init_machine_status): Declare.
21353 (save_varasm_status, restore_varasm_status): Delete declarations.
21354 (save_tree_status, restore_tree_status): Delete last argument.
21355 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
21356 code. All callers changed.
21357 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
21358 save_constants_in_decl_trees, restore_constants, save_constants,
21359 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
21361 (inlining): New variable.
21362 (reg_map, label_map, insn_map, orig_asm_operands_vector,
21363 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
21365 (save_for_inline_nocopy): Don't save constants.
21366 Don't set inl_emit field in current_function.
21367 (expand_inline_function): Use emit field, not inl_emit, of the inlined
21368 function. Set new variable inlining before
21369 calling copy_rtx_and_substitute.
21370 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
21371 constant pool references if inlining is nonzero.
21372 Delete ADDRESS and (most of the) CONST cases.
21373 (output_inline_function): Save and restore current_function/
21374 current_function_decl. Delete restore_constants code. Don't call
21375 init_const_rtx_hash_table.
21376 * output.h (init_const_rtx_hash_table): Don't declare.
21377 * rtl.h (struct function): Declare.
21378 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
21379 * toplev.c (rest_of_compilation): Don't treat nested functions or
21380 functions containing them specially. Delete all code to deal with
21381 save_for_inline_copying.
21382 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
21383 inline_obstacks): Delete variables.
21384 (save_tree_status): Lose arg CONTEXT. All callers changed.
21385 Simply allocate a new function_maybepermanent_obstack for the new
21386 function, delete all the special cases.
21387 Don't save inline_obstacks.
21388 (restore_tree_status): Lose arg CONTEXT. All callers changed.
21389 Delete special handling for function_maybepermanent_obstack; simply
21391 Don't restore inline_obstacks.
21392 (permanent_allocation): Delete code that frees inline_obstacks.
21393 (print_inline_obstack_statistics): Delete function.
21394 (dump_tree_statistics): Don't call it.
21395 * varasm.c (struct varasm_status): New.
21396 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
21397 last_pool, pool_offset, const_double_chain): Delete global
21398 variables, replace with accessor macros.
21399 (immed_double_const): Don't walk const_double_chain outside a
21400 function, but don't treat nested functions specially anymore.
21401 (immed_real_const_1): Likewise.
21402 (clear_const_double_mem): Don't treat nested functions specially.
21403 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
21404 (save_varasm_status, restore_varasm_status): Delete functions.
21405 (init_varasm_status): New function.
21406 (force_const_mem): Don't treat nested functions specially.
21407 (find_pool_constant): Accept new arg F, search for constants in
21408 that function's pool rather than the current one. All callers
21410 (get_pool_constant_for_function, get_pool_mode_for_function): New
21413 * i386.c (init_386_machine_status): New function, mostly from
21414 clear_386_stack_locals.
21415 (struct machine_functions): Rename element names to avoid name
21417 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
21418 macros, replacing global variables.
21419 (clear_386_stack_locals, save_386_machine_status,
21420 restore_386_machine_status): Delete functions.
21421 (override_options): Initialize init_machine_status.
21422 * i386.h (INIT_EXPANDERS): Delete macro.
21423 (save_386_machine_status, restore_386_machine_status,
21424 clear_386_stack_locals): Delete declarations.
21426 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21428 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
21429 (doloop_begin): Simplify pattern and use emit_jump_insn.
21430 (doloop_end): Simplify pattern, switch operand order,
21431 and use emit_jump_insn.
21433 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
21435 * function.h (struct function): Add new element LANGUAGE.
21436 (save_lang_status): Declare new variable.
21437 (restore_lang_status): Likewise.
21438 * function.c (save_lang_status): Define.
21439 (restore_lang_status): Likewise.
21440 (push_function_context_to): Call language-specific save function.
21441 (pop_function_context_from): Call language-specific restore function.
21443 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
21445 * i386.md (movsf_1): Check REG_P before use of REGNO.
21446 (movdf_1): Likewise.
21447 (movxf_1): Likewise.
21448 (extendsfdf2): Likewise.
21449 (extendsfxf2): Likewise.
21450 (extenddfxf2): Likewise.
21452 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21454 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
21455 constants into memory.
21456 (c4x_shiftable_constant): New function.
21457 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
21458 (c4x_shiftable_constant): Declare.
21459 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
21460 ashlqi3_noclobber): Add new patterns and associated splitters.
21462 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
21464 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
21465 * dwarf2out.c (dwarf2out_frame_init): Likewise.
21466 * final.c (shorten_branches): Likewise.
21467 * global.c (global_alloc): Likewise.
21468 * haifa-sched.c (build_control_flow): Likewise.
21469 * stmt.c (check_for_full_enumeration_handling): Likewise.
21470 (estimate_case_costs): Likewise.
21472 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
21474 * rtl.h (RTL_CHECKC2): Fix typo in last change.
21476 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
21478 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
21479 (recompute_reg_usage): Likewise.
21480 * rtlanal.c (find_regno_fusage): Likewise.
21482 * rtl.c (rtl_check_failed_code1): New function.
21483 (rtl_check_failed_code2): New.
21484 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
21485 (RTL_CHECKC1, RTL_CHECKC2): New.
21486 (XC*): New accessor macros.
21487 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
21488 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
21489 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
21490 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
21491 (TRAP_*, RANGE_INFO_*): Likewise.
21493 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21495 * Makefile.in (tlink.o): Don't depend on toplev.h.
21497 * collect2.c (c_file, o_file, export_file, import_file, ldout,
21498 output_file, nm_file_name, ldd_file_name, strip_file_name,
21499 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
21500 add_prefix, prefix_from_env, prefix_from_string, do_wait,
21501 fork_execute, maybe_unlink, add_to_list,
21502 extract_init_priority, write_list, dump_list,
21503 dump_prefix_list, write_list_with_asm, write_c_file,
21504 write_c_file_stat, write_c_file_glob, scan_prog_file,
21505 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
21506 ignore_library, extract_string, notice, dump_file, target_machine,
21507 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
21508 read_file, print_load_command): Constify a char*.
21509 (fdopen, error, fatal, fatal_perror): Don't prototype.
21510 (my_strerror): Remove. All callers use xstrerror instead.
21511 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
21512 (main): Add prototype. Constify lots of char* ptrs. Change calls
21513 to xcalloc/strcpy/strcat/... to one call to concat.
21514 (main, scan_prog_file, scan_libraries): Use an intermediate
21515 `const char **' to build an argv array.
21516 (mapfile, libselect, libcompare, locatelib): Add prototypes.
21518 * collect2.h (collect_execute, collect_wait, dump_file,
21519 file_exists): Constify a char*.
21520 (ldout, c_file_name, temporary_obstack, permanent_obstack,
21521 temporary_firstobj, vflag, debug): Add extern declarations.
21522 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
21524 * tlink.c: Don't include toplev.h.
21525 (vflag, debug, ldout, c_file_name, temporary_obstack,
21526 permanent_obstack, temporary_firstobj): Don't declare.
21527 (tlink_execute, frob_extension, symbol_hash_lookup,
21528 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
21529 recompile_files, read_repo_files, demangle_new_symbols,
21530 scan_linker_output): Constify a char*.
21531 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
21532 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
21534 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
21536 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
21537 (relative) rather than jsr (absolute) subroutine call insns.
21538 * config/m68k/m68k-coff.h: Ditto.
21540 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
21542 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
21543 now rework these too.
21544 (arm_reorg): If an insn can't reach the end of the current pool,
21545 ensure that we emit that pool before the insn.
21547 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
21549 * tlink.c (scan_linker_output): Skip the initial underscore in
21550 a mangled name if appropriate.
21552 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21554 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
21555 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
21556 error_with_ivar, gen_declarator, create_builtin_decl,
21557 my_build_string, generate_descriptor_table, generate_ivars_list,
21558 generate_dispatch_table, check_protocols, TAG_GETCLASS,
21559 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
21560 dump_base_name, lang_decode_option, build_encode_expr,
21561 start_class, finish_class, encode_pointer, really_start_method,
21562 gen_declaration, dump_interface, handle_class_ref, handle_impent):
21564 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
21565 Add static prototypes.
21566 (build_objc_string_decl, build_selector_reference_decl,
21567 encode_bitfield, build_class_reference_decl): Remove unused
21568 parameter, all callers changed.
21569 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
21570 (objc_printable_name): Likewise. Change second parameter to type int.
21571 (init_objc): Use memcpy, not bcopy, to avoid casts.
21573 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
21575 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
21576 reg notes on a deleted insn.
21577 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
21579 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
21581 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
21583 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21585 * stmt.c (expand_asm_operands): Fix index into inout_mode when
21588 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
21590 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
21591 * tm.texi (MD_ASM_CLOBBERS): Document it.
21593 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
21595 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
21596 * except.c (expand_rethrow): Remove unused variable.
21597 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
21598 * flow.c (replace_insns): Likewise.
21599 (create_edge_list, verify_edge_list): Likewise.
21600 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
21602 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
21603 is special code to run.
21604 (main): Don't define operands to emit_operand.
21605 * genrecog.c (main): Don't emit an empty peephole2_insn function.
21607 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
21609 * alpha/alpha.h (normal_memory_operand): Declare.
21610 (reg_no_subreg_operand): Declare.
21611 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
21613 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
21615 * c-parse.in (compstmt_primary_start): New, broken out of first
21616 part of compstmt handling in primary.
21617 (primary): Use it. Add an error clause.
21618 (compstmt_nostart): Renamed from compstmt; remove all
21619 initial invocations of compstmt_start.
21622 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
21624 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
21627 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
21629 * combine.c (simplify_shift_const): Remove extra semicolon.
21630 * dwarf2out.c (remove_AT): Likewise.
21631 * expmed.c (expand_mult): Likewise.
21632 * gcov.c (create_program_flow_graph): Likewise.
21633 * reorg.c (mostly_true_jump): Likewise.
21635 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
21637 * fold-const.c (fold_range_test): Do not try to fold the range
21638 test if the rhs or lhs has side effects.
21640 * combine.c (simplify_rtx): Recognize another case of a synthesized
21643 * varasm.c (mark_constant_pool): When marking indirect references,
21644 only look at SYMBOL_REFs.
21646 * except.c (expand_fixup_region_end): Do not peek at
21647 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
21649 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
21651 * flags.h: New variables align_loops, align_loops_log,
21652 align_jumps, align_jumps_log, align_labels, align_labels_log,
21653 align_functions, align_functions_log.
21654 * toplev.c: Define them.
21655 (f_options): Handle -falign-* when they have no argument.
21656 (main): Add logic to set variables for -falign-functions,
21657 -falign-jumps, -falign-labels, -falign-loops.
21658 Make it -fsched-verbose=<n> and -finline-limit=<n>.
21659 (display_help): Change help to match options.
21660 * final.c (LABEL_ALIGN): Default to align_labels_log.
21661 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
21662 (LOOP_ALIGN): Default to align_loops_log.
21663 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
21664 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
21665 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
21666 * varasm.c (assemble_start_function): Handle align_functions.
21668 * config/sparc/sparc.h: Don't declare sparc_align_*.
21669 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
21670 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
21672 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
21674 * config/sparc/sparc.c: Delete sparc_align_loops,
21675 sparc_align_jumps, sparc_align_funcs and the corresponding string
21677 (sparc_override_options): Default align_functions on ultrasparc.
21678 Delete -malign-* handling.
21680 * config/mips/mips.c (override_options): On 64-bit targets,
21681 try to align code to 64-bit boundaries.
21682 (print_operand): New substitution, %~,
21683 which aligns labels to align_labels_log.
21684 * config/mips/mips.md (div_trap_normal): Use %~.
21685 (div_trap_mips16): Likewise.
21687 (absdi2): Likewise.
21688 (ffssi2): Likewise.
21689 (ffsdi2): Likewise.
21690 (ashldi3_internal): Likewise.
21691 (ashrdi3_internal): Likewise.
21692 (lshrdi3_internal): Likewise.
21693 (casesi_internal): Likewise.
21695 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
21697 Merge new ia32 backend from the branch!
21699 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
21700 See ChangeLog.P2 on new_ia32_branch for details.
21702 * rtl.h (stack_regs_mentioned_p): Delete prototype.
21703 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
21704 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
21705 * i386/gas.h (ASM_FILE_START): Define.
21706 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
21707 for name change of ix86_valid_decl_attribute_p.
21708 (i386_pe_valid_type_attribute_p): Similarly.
21710 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
21712 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
21713 to step through CC modes.
21715 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21717 * regmove.c (fixup_match_1): Don't move INSN in front of P if
21718 it would end up in the shadow of a live flags regsiter.
21720 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21722 * reload1.c: Fix many indentation problems.
21723 * reload.c: Likewise.
21725 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
21727 * alias.c (non_local_reference_p): Constify fmt.
21729 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
21731 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
21733 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
21735 * cse.c (delete_trivially_dead_insns): Do not delete stores to
21736 the internal_arg_pointer.
21738 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
21740 Merge peephole2 from new_ia32_branch:
21741 * Makefile.in (STAGESTUFF): Add *.peephole2.
21742 (mostlyclean): Likewise.
21743 (recog.o): Depend on resource.h.
21745 * final.c (peephole): Conditionalize decl on HAVE_peephole.
21746 (final_scan_insn): Likewise for the invocation of peephole.
21747 * genconfig.c (main): Look for peephole and peephole2 patterns.
21748 Emit HAVE_peephole* accordingly.
21749 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
21750 * flags.h (flag_peephole2): Declare.
21751 * toplev.c: New pass peephole2. New flag -fpeephole2.
21753 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
21754 * gencodes.c (main): Likewise.
21755 * genextract.c (main): Likewise.
21756 * genoutput.c (main): Likewise.
21757 * genemit.c (max_operand_1): Look for the max scratch operand.
21758 (gen_rtx_scratch): New.
21759 (gen_exp): Use it, and pass on new arg subroutine_type.
21760 (gen_expand): Take max scratch into account.
21761 (gen_split): Emit peephole2 functions.
21762 (output_peephole2_scratch): New.
21763 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
21764 * genrecog.c (routine_type): Add PEEPHOLE2.
21766 (make_insn_sequence): Match outer parallel for peep2. Discard
21767 top level scratches and dups.
21768 (add_to_sequence): New args insn_type and top. Update all callers.
21769 Handle toplevel peep2 matching insns.
21770 (write_subroutine): Handle peep2.
21771 (write_tree_1): Likewise.
21772 (write_tree): Likewise.
21774 (change_state): New arg afterward. Update all callers.
21775 Handle matching separate insns.
21776 * recog.c (recog_next_insn): New.
21777 (peephole2_optimize): New.
21778 * rtl.def (DEFINE_PEEPHOLE2): New.
21779 * resource.c (find_free_register): New argument last_insn. Use it
21780 to find a register available through the entire span.
21781 * resource.h (find_free_register): Update prototype.
21783 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
21785 * i386.c (output_strlen_unroll): Don't write xops[7]
21786 label if it wasn't set.
21788 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
21790 * cpplib.c (struct directive): Const-ify name pointer and
21791 function pointer prototype.
21792 (validate_else, do_define, do_line, do_include, do_undef,
21793 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
21794 do_elif, do_endif, do_sccs, do_assert, do_unassert,
21795 do_warning): Const-ify second arg.
21796 (directive_table): Mark const. Reorder entries by frequency
21797 of usage, record statistics.
21799 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
21801 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
21802 bounds- check RTL accesses if --enable-checking.
21803 (RTVEC_ELT): Bounds check if --enable-checking.
21804 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
21805 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
21806 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
21808 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
21809 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
21811 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
21812 (NOTE_SOURCE_FILE): Use X0STR.
21813 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
21814 MEM_ALIAS_SET): Use X0INT.
21815 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
21816 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
21818 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
21819 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
21820 (rtl_check_failed_bounds, rtl_check_failed_type1,
21821 rtl_check_failed_type2, rtvec_check_failed_bounds): New
21823 (fancy_abort): Fix comment.
21825 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
21826 (cse_insn): Decrement LABEL_NUSES for jump target before
21827 deleting jump insn.
21828 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
21829 * final.c (alter_subreg): Compute regno before changing x to
21830 REG; set REGNO(x) after changing it.
21831 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
21832 notes containing CONST_INTs.
21833 (delete_eh_regions): Use NOTE_EH_HANDLER.
21834 * function.c (put_reg_into_stack): Make reg a MEM before
21836 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
21838 (gen_mem_addressof): Make reg a MEM before initializing it.
21839 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
21841 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
21842 deleting an insn, not after.
21843 (block_alloc): Only look at PATTERN(insn) if we have to, and
21844 only if it's format class 'i'.
21845 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
21846 CONST_INT before using its INTVAL.
21847 * print-rtl.c (print_rtx): Use X0STR.
21848 * regmove.c (fixup_match_1): Don't look at PATTERN of
21849 non-class-'i' insn chain elements.
21850 * reload.c (loc_mentioned_in_p): Take address of
21851 in->fld[1].rtx directly.
21852 * reload1.c (reload): Change reg to a MEM before initializing
21854 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
21856 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
21858 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
21860 * config/mips/mips.c (machine_dependent_reorg): Force a
21861 barrier to output the local constant pool if a barrier hasn't
21862 been found at a natural point in the instruction stream.
21864 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21866 * c-parse.in (language_string): Constify.
21868 * dwarf2out.c (language_string): Remove declaration.
21870 * dwarfout.c (language_string): Likewise.
21872 * toplev.c (language_string, init_parse, finish_parse): Likewise.
21874 * tree.h (language_string, init_parse, finish_parse): Declare.
21876 * i386/sun386.h (language_string): Remove declaration.
21878 * mips.h (language_string): Likewise.
21880 * nextstep.h (language_string): Likewise.
21882 * nextstep21.h (language_string): Likewise.
21884 * rs6000.c (language_string): Likewise.
21886 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21888 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
21889 (getpwd.o): Remove target.
21891 * getpwd.c: Delete file. Its in libiberty now.
21893 * dbxout.c (getpwd): Don't prototype.
21894 * dwarf2out.c (getpwd): Likewise
21895 * dwarfout.c (getpwd): Likewise
21896 * final.c (getpwd): Likewise.
21897 * protoize.c (getpwd): Likewise.
21899 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21901 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
21903 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
21905 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
21906 mark_set_resources.
21908 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
21910 * fixinc/Makefile.in (subdir): New.
21911 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
21914 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
21916 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
21917 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
21920 * invoke.texi: Fix typo.
21922 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
21923 changed. Handle autoincrement addressing modes.
21925 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
21926 just like we would the virtual incoming args register when
21929 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
21931 * rs6000.h (ASM_FILE_START): Specify complete filename, including
21932 path, in .file directive.
21934 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
21936 * gcc.texi (External Bugs): Remove obsolete note about Perl on
21939 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
21941 * stdbool.h: Make the typedef name _Bool, with bool a #defined
21944 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21946 * tree.c (tree_code_name): Constify a char*.
21948 * tree.h (tree_code_name, decl_printable_name): Likewise.
21950 * function.h (struct function): Likewise.
21952 * toplev.c (decl_name, decl_printable_name): Likewise.
21954 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
21956 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
21957 (init_objc): Remove function pointer cast.
21959 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21961 * pa.md (interspace_jump): New pattern.
21962 (builtin_longjmp): New expander.
21964 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
21966 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
21967 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
21968 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
21970 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
21972 * jump.c (delete_prior_computation): Also check calls
21973 to constant functions. Don't bother checking for a
21974 REG_UNUSED note before adding it.
21975 (delete_computation): Handle multi-word hard registers
21976 when synthesizing missing REG_DEAD notes for a register
21977 which is both set and used by an insn.
21979 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21981 * loop.c (this_loop_info): New variable.
21982 (loop_has_call, loop_has_volatile, loop_has_tablejump,
21983 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
21985 (prescan_loop, strength_reduce): New argument loop_info. All callers
21987 (scan_loop): New variable loop_info, initialise to address of
21989 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
21990 Delete variable loop_has_multiple_exit targets and replace with
21991 field in this_loop_info.
21992 (find_and_verify_loops): Rename this_loop to this_loop_num.
21993 (strength_reduce): Delete loop_iteration_info. Replace variable
21994 loop_info with function argument of same name.
21995 (insert_bct): Rework test for loop being completely unrolled.
21997 * loop.h (struct loop_info): New fields num, loops_enclosed,
21998 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
21999 has_indirect_jump, and cont. Redefine use of unroll_number.
22000 (loop_unroll_number): Delete.
22002 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
22003 field of loop_info.
22004 (loop_iterations): Delete variable vtop and instead use
22005 loop_info->vtop computed in prescan_loop.
22007 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
22009 * fix-header.c (main): Do not pass a null pointer to strcmp.
22011 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
22013 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
22015 * configure: Rebuilt.
22017 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
22019 * jump.c (jump_optimize_1): Do not delete assignments to
22020 internal_arg_pointer.
22021 * cse.c (delete_trivially_dead_insns): Always consider a set of
22022 the internal_arg_pointer live.
22024 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
22026 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
22027 (update_life_info) [REG_WAS_0]: Search the original insns rather
22028 than the new insns for the note. Fix typos finding note_dest.
22029 If no dest found, discard the note rather than abort.
22030 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
22031 (replace_insns): Remove the old insn list after update_life_info
22034 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
22036 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
22037 sched_analyze_insn.
22038 (sched_analyze_1): Let add_dependence care for not adding dups.
22039 (sched_analyze_2): Likewise.
22040 (add_branch_dependences): Likewise.
22042 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
22044 * i386/winnt.c (export_list): New type.
22045 (exports_head): Rename to
22046 (export_head): this.
22047 (i386_pe_record_exported_symbol): Add is_data flag.
22048 (i386_pe_asm_file_end): Emit directive for exported variables.
22049 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
22051 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
22052 (ASM_DECLARE_OBJECT_NAME): Likewise.
22053 (ASM_DECLARE_FUNCTION_NAME): Likewise.
22054 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
22056 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
22058 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
22060 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
22063 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
22065 * config/openbsd.h: Define SET_ASM_OP.
22066 * tm.texi: cross-reference SET_ASM_OP in the index.
22068 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
22070 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
22071 for a CONST_DOUBLE, at compile time. Initialize rtx_length
22072 and class_narrowest_mode at compile time. Kill init_rtl.
22073 Mark rtx_length, mode_class, mode_size, mode_unit_size,
22074 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
22075 rtx_format as const. Kill all references to EXTRA_CC_MODES or
22077 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
22079 * rtl.h: Declare rtx_length and rtx_format as const.
22080 * machmode.def: Define CC(). Use CC() to define CCmode. If
22081 EXTRA_CC_MODES is defined, expand it here.
22082 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
22083 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
22084 const. Kill all references to EXTRA_CC_MODES.
22086 * toplev.c: Don't prototype or call init_rtl.
22087 * optabs.c: Don't call init_mov_optab.
22088 * genemit.c: Don't generate init_mov_optab. Don't call
22090 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
22092 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
22093 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
22094 genrecog.c: Don't call init_rtl.
22096 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
22097 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
22098 definition of EXTRA_CC_MODES.
22100 * md.texi: Kill ref to EXTRA_CC_NAMES.
22101 * tm.texi: Document new way to define EXTRA_CC_MODES.
22103 * genrecog.c: Do not look up the name of a define_split.
22104 (Unrelated bugfix.)
22106 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
22108 * config/v850/v850.md: Fix typo introduced by previous delta.
22110 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22112 * gcc.c (fatal): Make definition static to match prototype.
22114 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22116 * combine.c (get_last_value): Don't look for earlier sets if the last
22117 known set is somewhere in between the insns being combined.
22119 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
22121 * configure.in: Don't use shell ! to negate exit codes
22122 * configure: Regenerate
22124 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
22126 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
22127 the fact that ALIGN is measured in bits, not bytes.
22129 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
22131 * errors.c: New file; defines functions error, warning, and
22132 fatal, variables have_error and progname.
22133 * errors.h: New file; prototypes and decls for stuff in errors.c.
22135 * Makefile: Add rules to build errors.o and
22136 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
22137 genopinit, genrecog, genextract, genpeep, genattr, and
22138 genoutput with errors.o. Add errors.h to deps of genconfig.o,
22139 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
22140 genpeep.o, genattr.o, and genoutput.o.
22142 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
22143 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
22144 define or prototype fatal. Set progname at beginning of main.
22145 * genoutput.c: Likewise, and don't define or prototype error
22148 * c-typeck.c (c_expand_start_case): Return immediately if exp
22150 * fold-const.c (operand_equal_p): Return immediately if arg1
22151 or arg0 are ERROR_MARKs.
22152 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
22153 fields of type ERROR_MARK when calculating if the record can
22156 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
22157 with much help from Jeffrey A Law and Richard Henderson
22159 * i386.md: In the 6 insns which call output_fix_trunc,
22160 earlyclobber operands[0].
22162 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
22164 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
22165 creating new registers.
22167 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
22169 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
22170 i386_reg_alloc_order, i386_regparm_string,
22171 i386_align_loops_string, i386_align_jumps_string,
22172 i386_align_funcs_string, i386_preferred_stack_boundary_string,
22173 and i386_branch_cost_string as type "const char *".
22174 * i386.c: Define all above strings as type "const char *".
22176 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
22178 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
22179 when emitting alignment padding. Emit padding byte of 0 instead of 4.
22181 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
22183 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
22184 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
22186 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
22188 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
22189 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
22190 (dwarf2out_line, dwarf2out_finish): Likewise.
22191 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
22193 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
22195 * tree.c (lang_unsave_expr_now) : Correct return type.
22196 * tree.h (lang_unsave_expr_now) : Same.
22198 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
22200 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
22201 instead of duplicating code.
22203 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22205 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
22207 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
22209 * tree.h: fancy_abort always takes three args.
22210 * resource.c: Move include of system.h before toplev.h.
22212 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
22214 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
22217 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
22219 * system.h: Don't redefine abort or trim_filename.
22220 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
22221 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
22222 whether or not __FUNCTION__ is available.
22223 * tree.h: Duplicate rtl.h's definition of abort, for files
22224 that don't include rtl.h. Delete all code to perform type
22225 checking with a compiler other than GCC.
22226 * varray.h: Delete all code to perform type checking with a
22227 compiler other than GCC. Make VARRAY_CHECK() always evaluate
22228 its arguments exactly once, using a statement expression.
22229 Adjust the VARRAY_<type> accessor macros to match.
22230 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
22231 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
22232 caller's location. Define fatal_insn and fatal_insn_not_found
22233 as macros that use _fatal_insn and _fatal_insn_not_found.
22234 (fancy_abort, trim_filename): Kill prototypes.
22236 * rtl.c (trim_filename): Move here from toplev.c.
22237 (fancy_abort): New function.
22238 (DIR_SEPARATOR): Provide default definition.
22239 * tree.c (tree_check_failed, tree_class_check_failed): Go
22240 through fancy_abort.
22241 (tree_check, tree_class_check, cst_or_constructor_check,
22242 expr_check): Delete.
22243 * varray.c (varray_check_failed): New function.
22244 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
22245 _fatal_insn and _fatal_insn_not_found. Go through
22247 (trim_filename, fancy_abort): Delete.
22249 * builtins.c (expand_builtin_args_info): Report ICE with abort.
22250 * except.c (start_catch_handler): Report ICE with error/abort
22252 * final.c (output_operand_lossage): Likewise.
22253 * flow.c (verify_flow_info): Likewise.
22255 * gcc.c: Prototype fatal.
22256 * gengenrtl.c: Undef abort after including rtl.h not system.h.
22257 * genattr.c, genattrtab.c, genemit.c, genextract.c,
22258 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
22259 Don't define fancy_abort.
22261 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
22263 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
22266 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
22268 * m88k.h (VERSION_INFO2): Kill.
22269 (VERSION_STRING): Kill.
22271 (VERSION_INFO1): Tidy.
22272 (TARGET_VERSION): Update.
22273 * m88k/dgux.h (VERSION_INFO2): Kill.
22274 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
22275 * m88k/luna.h (VERSION_INFO1): Tidy.
22276 * m88k/sysv4.h (VERSION_INFO1): Likewise.
22277 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
22278 (output_file_start): Adjust for death of VERSION_STRING.
22280 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
22282 * cpplib.c (detect_if_not_defined): New function.
22283 (do_if): Use it to detect potential once-only headers.
22285 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
22287 * c-common.c (combine_strings): Always set TREE_CONSTANT.
22289 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
22291 * combine.c (nonzero_bits) : Allow single-ly set registers to be
22292 anywere in the function only if they are pseudos and set before
22293 being used (not live at the start of the function).
22294 (num_sign_bit_copies) : Same.
22295 (get_last_value_validate) : Same.
22296 (get_last_value) : Same.
22298 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
22300 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
22301 where N and M are constant and N is an integer multiple of M.
22303 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22305 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
22306 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
22307 sbitmap_union_of_preds): Add prototypes.
22308 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
22309 the intersection of successors with the new flow graph structures.
22310 (sbitmap_intersection_of_preds): New function to compute the
22311 intersection of predecessors with the new flow graph structures.
22312 (sbitmap_union_of_succs): New function to compute the union of
22313 successors with the new flow graph structures.
22314 (sbitmap_union_of_preds): New function to compute the union of
22315 predecessors with the new flow graph structures.
22316 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
22317 (expr_reaches_here_p): Use edge and basic_block structures instead
22318 of s_preds and s_succs.
22319 (compute_cprop_avinout): Use new sbitmap routines.
22320 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
22321 of s_preds and s_succs.
22322 * flow.c (compute_flow_dominators): Compute dominators using
22323 edges and basic blocks instead of s_preds and s_succs.
22325 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22327 * lists.c (unused_insn_list, unused_expr_list): New file for
22328 maintaining various types of lists. New statics for maintaining a
22329 cache of available INSN_LIST and EXPR_LIST nodes.
22330 (free_list): Static function for freeing a list of INSN/EXPR nodes.
22331 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
22332 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
22333 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
22334 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
22335 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
22336 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
22337 (free_INSN_LIST_node): Free an individual INSN_LIST node.
22338 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
22339 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
22340 (remove_dependence, free_pending_lists): Use new global routines.
22341 (flush_pending_lists, sched_analyze_insn): Use new global routines.
22342 (sched_analyze, compute_block_backward_dependences): Use new routines.
22343 (sched_analyze_1, sched_analyze_2): Use new routines.
22344 (schedule_insns): Use new global routines.
22345 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
22347 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
22348 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
22350 * toplev.c (rest_of_compilation): Initialize node cache.
22351 * Makefile.in (OBJS): Add lists.o to list of object files.
22352 (lists.o): Add dependancies.
22354 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
22356 * config/v850/v850.md: Fix compile time warning messages.
22357 * config/v850/v850.c: Fix compile time warning messages.
22358 * config/v850/v850.h: Fix compile time warning messages.
22360 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22362 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
22363 Remove unused prototype for `init_lengths'.
22365 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22367 * calls.c (emit_call_1): Mark parameter `stack_size' with
22369 (expand_call): Initialize variable `insn'.
22370 (emit_library_call): Likewise for variable `high_to_save'.
22371 (emit_library_call_value): Likewise.
22372 (store_one_arg): Likewise for variables `lower_bound' and
22375 * combine.c (try_combine): Likewise for variables `i2_code_number'
22376 and `other_code_number'.
22377 (find_split_point): Likewise for variables `pos', `unsignedp' and
22379 (simplify_if_then_else): Likewise for variables `op' and `c1'.
22380 (simplify_and_const_int): Remove unused variable `width'.
22381 (merge_outer_ops): Likewise.
22383 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
22384 HOST_WIDE_INT' when comparing against one.
22385 (simplify_relational_operation): Likewise.
22386 (cse_insn): Initialize variables `src_eqv_volatile',
22387 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
22389 * final.c (init_final): Constify parameter `filename'.
22390 (final_start_function): Mark parameter `optimize' with
22392 (profile_function): Likewise for parameters `first' and `optimize'.
22393 (output_source_line): Likewise for parameter `file'.
22395 * integrate.c (subst_constants): Cast a value to `size_t' when
22396 comparing against one.
22397 (mark_stores): Initialize variable `mode'. Cast a value to
22398 `size_t' when comparing against one.
22400 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
22402 * loop.c (move_movables): Initialize variable `first'.
22403 (strength_reduce): Likewise for variable `increment'.
22404 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
22405 value to `size_t' when comparing against one.
22406 (load_mems): Initialize variable `end_label'.
22408 * output.h (init_final): Constify parameter.
22410 * reload.c (decompose): Initialize variable `base'.
22412 * reload1.c (reload): Likewise for variable `is_scalar'.
22413 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
22414 (choose_reload_regs): Initialize variable `mode'.
22415 (emit_reload_insns): Likewise for variable `store_insn'.
22416 (reload_cse_noop_set_p): Mark parameter `insn' with
22418 (reload_combine): Initialize variable `set'.
22420 * unroll.c (unroll_loop): Likewise for variable `local_label'.
22421 (copy_loop_body): Cast a value to `size_t' when comparing against
22424 * varasm.c (assemble_variable): Initialize variable `size_tree'.
22425 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
22426 (remove_from_pending_weak_list): Mark parameter `name' with
22429 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22431 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
22434 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
22436 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
22437 (ASM_DECLARE_FUNCTION_NAME): Define.
22438 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
22439 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
22440 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
22441 not already defined.
22443 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
22445 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
22446 of n_popped when call/call_value are not defined.
22448 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
22450 * tm.texi: GNU CC -> GCC conversion.
22451 (CC1_SPEC): Indicate it is used for all language front ends.
22453 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
22455 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
22456 NOTE_INSN_EH_REGION_END correctly.
22458 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
22459 Jeff Law <law@cygnus.com>
22461 * loop.c (strength_reduce): Automatically unroll loops if the
22462 unrolled loop size is smaller than the rolled loop size.
22464 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
22465 and delete comment that code should be rewritten.
22467 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
22469 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
22472 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
22474 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22476 * fixinc/mkfixinc.sh: Don't fix uwin headers.
22477 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
22478 (LINK_SPEC): Add -u _main when building executables.
22479 (ASM_DECLARE_FUNCTION): Update from Cygwin.
22480 (ASM_FILE_END): Use the default for ix86-pe.
22481 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
22483 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
22485 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
22486 and ASM_CLOSE_PAREN are empty strings.
22488 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
22489 Geoffrey Keating <geoffk@cygnus.com>
22491 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
22492 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
22493 (unprotoize.o): Ditto.
22494 (test-protoize-simple): Don't define STD_PROTO_DIR.
22495 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
22496 changes to make 'test-protoize-simple' pass.
22497 (STD_PROTO_DIR): Remove define.
22498 (STANDARD_EXEC_PREFIX): Supply default define.
22499 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
22500 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
22501 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
22502 (GET_ENV_PATH_LIST): New macro.
22503 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
22504 (do_processing): Initialize default_syscalls_dir using new
22505 macros. Use it to initialize syscalls_absolute_filename.
22507 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
22509 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
22510 B into a register before emit_conditional_move.
22512 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
22514 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
22515 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
22516 multiplicand out of (+ (* a b) (* c d)).
22518 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
22519 Richard Henderson <rth@cygnus.com>
22521 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
22522 (new_insn_dead_notes): Likewise.
22523 (update_n_sets): Likewise.
22524 (update_flow_info): Move to flow.c, renamed to update_life_info;
22525 extend to handle multiple source insns.
22526 * flow.c: Include resource.h
22527 (unlink_insn_chain): New.
22528 (split_hard_reg_notes): New.
22529 (maybe_add_dead_note): New.
22530 (maybe_add_dead_note_use): New.
22531 (find_insn_with_note): New.
22532 (new_insn_dead_notes): New.
22533 (update_n_sets): New.
22534 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
22535 (maybe_remove_dead_notes): New.
22536 (update_life_info): New.
22537 (prepend_reg_notes): New.
22538 (replace_insns): New.
22539 * output.h (update_life_info): Declare.
22540 * recog.c (split_block_insns): Use update_life_info.
22541 * resource.c (find_free_register): Use reg_alloc_order, don't use
22542 fixed regs, make sure the mode is supported, don't use new regs.
22544 * rtl.h (replace_insns): Declare.
22546 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
22548 * expr.c (expand_expr): Cope with COND_EXPRs with one
22549 non-returning branch.
22551 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
22553 * expr.c (store_expr): Always pass down the target, even when not
22556 1999-08-24 Nick Clifton <nickc@cygnus.com>
22558 * configure.in: Define target_cpu_default for v850 targets.
22559 * configure: Regenerate
22561 * config/v850/v850.h (TARGET_CPU_generic): Define.
22562 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
22563 addresses are 4 byte aligned.
22565 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
22568 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22570 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
22571 (main): Add prototypes.
22573 * genattrtab.c (substitute_address, write_const_num_delay_slots,
22574 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
22575 (write_attr_get): Emit prototypes along with function definition.
22576 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
22577 (write_complex_function): Emit static prototype along with
22578 function definition.
22580 * genemit.c (gen_split): Emit prototypes along with function
22583 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
22584 Likewise for predicates and `insn_operand_predicate'.
22585 (process_template): Emit static prototype along with function
22588 * genrecog.c (make_insn_sequence): Constify a char*. Add
22589 prototypes for get_split_*().
22590 (write_subroutine): Emit prototypes along with function
22593 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22595 * gcse.c (find_avail_set): Follow chains of register-register copies.
22596 Use oprs_not_set_p to guarantee that the returned value can be
22598 (cprop_insn): Don't verify the return value of find_avail_set with
22601 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
22602 (cprop_cc0_jump): New function.
22603 (cprop_insn): Break out new function cprop_jump and use it.
22604 Also use cprop_cc0_jump for machines with CC0.
22605 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
22607 * tree.h (current_function_calls_setjmp,
22608 current_function_calls_longjmp): Delete declarations.
22609 * dsp16xx.c: Include "function.h".
22610 * elxsi.c: Likewise.
22611 * gmicro.c: Likewise.
22612 * h8300.c: Likewise.
22613 * i370.c: Likewise.
22614 * m32r.c: Likewise.
22615 * mn10200.c: Likewise.
22616 * mn10300.c: Likewise.
22617 * ns32k.c: Likewise.
22618 * spur.c: Likewise.
22619 * v850.c: Likewise.
22621 * rtl.h (rtx_equal_function_value_matters): Declare.
22622 * toplev.c (rtx_equal_function_value_matters): Don't declare.
22624 * function.c: Likewise.
22625 * emit-rtl.c: Likewise.
22627 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
22629 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
22632 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
22634 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
22637 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
22639 * cpp.texi: Add a node documenting macro varargs (copied
22642 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
22644 * cppspec.c: Put a null pointer at the end of the new argv.
22646 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
22648 * configure.in: Remove code to select/de-select the haifa
22649 scheduler. Every scheduled port gets haifa now.
22650 * configure: Rebuilt.
22651 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
22653 * Makefile.in: Corresponding changes.
22655 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22657 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
22658 All callers changed.
22659 (prepare_float_lib_cmp): Likewise.
22660 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
22661 * expr.h (emit_float_lib_cmp): Delete declaration.
22662 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
22663 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
22664 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
22666 (cmptf): Now conditional on TARGET_HARD_QUAD.
22668 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
22670 * resource.c (mark_target_live_regs): Use
22671 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
22673 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22675 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
22677 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
22679 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
22681 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22683 * rtl.h (rtx_format): Constify a char*.
22685 * rtl.c (rtx_format): Likewise.
22686 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
22687 (init_rtl): Use accessor macro, not `rtx_format'.
22689 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
22692 * caller-save.c (mark_referenced_regs): Likewise.
22694 * combine.c (subst, make_compound_operation, known_cond,
22695 gen_rtx_combine, update_table_tick, get_last_value_validate,
22696 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
22698 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
22699 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
22700 count_reg_usage): Likewise.
22702 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
22705 * final.c (leaf_renumber_regs_insn): Likewise.
22707 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
22708 dump_edge_info, count_reg_references): Likewise.
22710 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
22711 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
22714 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
22715 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
22716 add_label_notes): Likewise.
22718 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
22719 clear_struct_flag, count_sub_rtxs, count_alternatives,
22720 compares_alternatives_p, contained_in_p, walk_attr_value,
22721 write_expr_attr_cache): Likewise.
22723 * genconfig.c (walk_insn_part): Likewise.
22725 * genemit.c (max_operand_1, gen_exp): Likewise.
22727 * genextract.c (walk_rtx): Likewise.
22729 * genflags.c (num_operands): Likewise.
22731 * genoutput.c (scan_operands): Likewise.
22733 * genpeep.c (match_rtx): Likewise.
22735 * genrecog.c (add_to_sequence): Likewise.
22737 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
22740 * integrate.c (save_constants, copy_for_inline,
22741 copy_rtx_and_substitute, subst_constants, restore_constants):
22744 * jump.c (mark_jump_label, invert_exp, redirect_exp,
22745 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
22747 * local-alloc.c (contains_replace_regs, memref_referenced_p):
22750 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
22751 add_label_notes, replace_call_address, count_nonfixed_reads,
22752 invariant_p, find_single_use_in_loop, find_mem_givs,
22753 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
22756 * print-rtl.c (reg_names, print_rtx): Likewise.
22758 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
22760 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
22761 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
22762 print_blocks): Likewise.
22764 * regclass.c (fix_register, record_address_regs,
22765 reg_scan_mark_refs): Likewise.
22767 * regmove.c (stable_but_for_p): Likewise.
22769 * reload.c (loc_mentioned_in_p, operands_match_p,
22770 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
22771 copy_replacements, refers_to_regno_for_reload_p,
22772 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
22773 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
22776 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
22777 delete_address_reloads_1, count_occurrences,
22778 reload_cse_mem_conflict_p, reload_combine_note_use,
22779 add_auto_inc_notes): Likewise.
22781 * resource.c (mark_referenced_resources, mark_set_resources):
22784 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
22785 reg_mentioned_p, regs_set_between_p, modified_between_p,
22786 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
22787 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
22788 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
22789 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
22791 * sched.c (sched_analyze_2, attach_deaths): Likewise.
22793 * stupid.c (stupid_mark_refs): Likewise.
22795 * unroll.c (remap_split_bivs): Likewise.
22797 * varasm.c (mark_constants): Likewise.
22799 * a29k/a29k.c (uses_local_reg_p): Likewise.
22801 * alpha/alpha.c (summarize_insn): Likewise.
22803 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
22804 eliminate_lr2ip): Likewise.
22806 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
22808 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
22809 reg_mentioned_in_mem): Likewise.
22811 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
22812 symbolic_reference_mentioned_p): Likewise.
22814 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
22816 * sh/sh.c (regs_used, mark_use): Likewise.
22818 * vax/vax.c (vax_rtx_cost): Likewise.
22820 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22822 * machmode.h (mode_name): Constify a char*.
22824 * rtl.c (mode_name): Likewise.
22826 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
22828 * optabs.c (init_libfuncs): Constify a char*.
22830 * print-tree.c (mode_name): Remove redundant declaration.
22831 (print_node): Use accessor macro, not `mode_name'.
22833 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
22835 (new_spill_reg): Constify a char*.
22837 * tree.c (mode_name): Remove redundant declaration.
22839 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22841 * rtl.c (rtx_name): Constify a char*.
22843 * rtl.h (rtx_name, fix_sched_param): Likewise.
22845 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
22846 (mypr): Use accessor macro, not `rtx_name'.
22848 * genemit.c (print_code): Constify a char*.
22850 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
22852 * genpeep.c (print_code): Constify a char*.
22854 * genrecog.c (print_code): Likewise.
22856 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
22857 end_bb): Add static prototype.
22858 (draw_edge): Constify a char*.
22859 (end_bb): Remove unused parameter.
22861 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
22862 print_block_visualization): Constify a char*.
22864 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
22866 * c-common.c (c_get_alias_set): Update comment.
22868 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
22870 * linux.h (LIB_SPEC): Added.
22872 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22874 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
22876 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
22878 * tree.c (expr_check): Fix typo in last change.
22880 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
22882 * rtl.def (NOTE): Change format to "iuu0n".
22883 (ADDR_DIFF_VEC): Change format to "eEee0".
22884 (ADDRESSOF): Change format to "eit".
22886 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
22887 (RTVEC_ELT): Change to match.
22888 (XVECEXP): Use XVEC and RTVEC_ELT.
22889 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
22890 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
22891 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
22892 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
22893 TRAP_CONDITION, TRAP_CODE): Use XEXP.
22894 (INTVAL): Use XWINT.
22895 (ADDRESSOF_DECL): Use XTREE.
22896 (SET_ADDRESSOF_DECL): Delete.
22897 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
22898 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
22899 ifdefed out since 2.6 at least.
22900 (gen_rtvec_vv): Delete prototype.
22902 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
22904 (copy_most_rtx): Handle 't' format letter.
22905 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
22906 (gen_rtvec_vv): Delete function. All callers changed to use
22907 gen_rtvec_v instead.
22908 * print-rtl.c (print_rtx): Move special casing of NOTEs to
22909 the '0' format letter.
22911 * function.c (gen_mem_addressof): Don't use
22912 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
22914 * integrate.c (copy_rtx_and_substitute): Likewise.
22915 Copy 't' slots with XTREE.
22916 (subst_constants): Treat 't' slots like '[swi]' slots.
22917 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
22918 * jump.c (rtx_equal_for_thread_p): Likewise.
22919 * rtlanal.c (rtx_equal_p): Likewise.
22920 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
22921 only four arguments.
22922 * gengenrtl.c (type_from_format): Provide correct types for
22926 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
22927 If a recent gcc is in use (always in stage2 and beyond), use
22928 statement expressions, so we don't make a function call unless
22929 the check fails. Evaluate arguments exactly once.
22930 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
22931 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
22933 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
22934 they evaluate their arguments exactly once, irrespective of
22935 the compiler in use.
22937 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
22938 is used by the currently-enabled check macros. This is:
22939 (tree_check_failed, tree_class_check_failed): For gcc.
22940 (tree_check, tree_class_check, cst_or_constructor_check,
22941 expr_check): For other compilers.
22943 * gencheck.c: Do not define any *_CHECK1 macros.
22945 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
22946 Mark Mitchell <mark@codesourcery.com>
22948 * c-common.c (c_get_alias_set): Fix support for poitners and
22951 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
22953 * alias.c: Include tree.h.
22954 (nonlocal_reference_p, mark_constant_function): New functions.
22955 * flow.c (life_analysis): Call mark_constant_function.
22956 * rtl.h (mark_constant_function): Declare it.
22958 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
22960 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
22961 unrecognisable switches.
22963 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22965 * loop.c (recombine_givs): Set ix field after sorting.
22966 (recombine_givs): Remove bogus index / giv lockstep looping.
22968 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22970 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
22972 (emit_store_flag_force): Use do_compare_rtx_and_jump.
22973 (do_cmp_and_jump): Formatting fixes.
22974 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
22975 do_compare_rtx_and_jump instead of compare_from_rtx.
22976 (do_compare_rtx_and_jump): New function; mostly copied from
22978 (do_jump_for_compare): Delete.
22979 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
22981 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
22982 of compare/do_jump_for_compare pairs.
22983 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
22984 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
22985 compare_from_rtx/do_jump_for_compare pairs.
22986 (do_jump_by_parts_equality): Likewise.
22987 (do_jump_by_parts_equality_rtx): Likewise.
22988 * expr.h (do_compare_rtx_and_jump): Declare.
22989 * optabs.c (prepare_cmp_insn): New function, contains most of the code
22990 that used to be in emit_cmp_insn.
22991 (cmp_available_p): New function.
22992 (prepare_operand): New function.
22993 (emit_cmp_and_jump_insn_1): New function, contains some code that used
22994 to be in emit_cmp_insn.
22995 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
22996 parameters to be pointers; don't emit final compare but modify some of
22997 the values pointed to by the args so the caller can perform the
22998 correct comparison.
22999 (expand_binop): Call emit_store_flag_force with signed forms of
23001 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
23002 emit_jump_insn pair.
23003 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
23004 emit_cmp_and_jump_insn_1. Call emit_queue.
23005 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
23007 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
23008 jump sets cc0 before deleting it.
23009 * integrate.c (expand_inline_function): Likewise.
23010 * unroll.c (unroll_loop): Similar changes in several places.
23011 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
23012 before deleting it.
23014 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23016 * Makefile.in (insn-recog.o): Update dependencies.
23017 * genrecog.c (main): Make generated file include "function.h".
23019 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
23021 * cse.c (cse_insn): Call never_reached_warning when a jump is
23022 changed to be unconditional.
23023 * flags.h: Declare warn_notreached.
23024 * flow.c (delete_block): Call never_reached_warning when
23025 a block is deleted.
23026 * jump.c (delete_barrier_successors): Call never_reached_warning
23027 when we delete everything after a BARRIER.
23028 (never_reached_warning): New function.
23029 * rtl.h: Declare never_reached_warning.
23030 * toplev.c (warn_notreached): New variable.
23031 (lang_independent_options): Set warn_notreached
23032 when -Wunreachable-code.
23033 (compile_file): We need line numbers for -Wunreachable-code.
23035 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
23037 * haifa-sched.c (insn_unit): Fix typo on out of range test.
23038 * sched.c (insn_unit): Likewise.
23040 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
23042 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
23044 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23046 * flow.c (create_edge_list): Use xmalloc, not malloc.
23048 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
23050 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
23051 C-style comments. Do not lose the character before double slash.
23053 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23055 * basic-block.h (struct edge_list): Stucture to maintain a vector
23057 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
23058 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
23059 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
23060 New function prototypes.
23061 * flow.c (create_edge_list): Function to create an edge list.
23062 (free_edge_list): Discards memory used by an edge list.
23063 (print_edge_list): Debug output showing an edge list.
23064 (verify_edge_list): Internal consistency check for an edge list.
23065 (find_edge_index): Function to find an edge index for a pred and succ.
23067 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
23069 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
23072 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
23074 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
23076 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
23078 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
23080 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
23082 * toplev.c (rest_of_compilation): Allow machine dependent
23083 reorganisation pass to place information into the RTL dump
23084 file if it so wishes.
23086 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
23088 * explow.c (hard_function_value): Use VOIDmode instead of
23090 * stmt.c (expand_return): Likewise.
23091 * stor-layout.c (get_best_mode): Likewise.
23093 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
23094 emit call instead of emit_insn call.
23096 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
23098 * configure.in: Handle --disable/enable-win32-registry.
23099 * install.texi: Document --disable/enable-win32-registry.
23100 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
23101 (WIN32_REGISTRY_KEY): New macro.
23102 * prefix.c: Use to enable/disable win32-specific code.
23103 (lookup_key): Use versioned key.
23104 * configure: Regenerate.
23105 * config.in: Likewise.
23107 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
23109 * cpplib.c (read_line_number): New fn, split out of...
23112 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
23114 tree.c (lang_unsave_expr_now) : New.
23115 (unsave_expr_now): Call lang_unsave_expr_now.
23116 tree.h (lang_unsave_expr_now) : New.
23118 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
23120 * toplev.c (flag_new_exceptions): On by default.
23122 1999-08-13 Michael Meissner <meissner@cygnus.com>
23124 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
23126 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
23128 * dwarfout.c (fundamental_type_code): Return FT_boolean for
23129 INTEGER_TYPE with precision==1, it's __java_boolean.
23131 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23133 * global.c (prune_preferences): Move some invariants out of the
23136 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
23138 * configure.in (alpha*-dec-osf*): Add osf5.
23140 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
23142 * configure.in: Rework handling of ARM GNU/Linux slightly.
23143 (arm*-*-linux-gnuoldld): New target.
23144 * configure: Regenerate.
23145 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
23146 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
23147 * config/arm/linux-oldld.h: New file.
23148 * config/arm/linux-elf26.h: Don't include linux-elf.h.
23149 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
23151 * config/arm/linux-elf.h (ASM_SPEC): Define.
23152 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
23153 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
23154 for 26-bit APCS and old linker.
23155 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
23157 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
23158 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
23159 don't define `arm' or `arm_elf'.
23160 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
23161 MULTILIB_DIRNAMES): Define. Fix typo in comment.
23163 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
23165 * rtl.texi: Fix typo.
23167 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
23169 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
23171 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
23173 * extend.texi (C++ Signatures): Remove node.
23174 * invoke.texi: Remove discussion of -fhandle-signatures,
23175 signature, sigof, __signature__, and __sigof__.
23177 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
23179 * Makefile.in (JAVAGC): Removed.
23181 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
23183 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
23185 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
23187 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
23189 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
23191 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
23192 a register that is already known to be a pointer.
23194 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
23196 * fixinc/inclhack.tpl: Only install assert.h conditionally.
23197 * fixinc/inclhack.sh: Regenerated.
23198 * fixinc/fixincl.sh: Regenerated.
23200 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
23202 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
23203 Fix documentation of -ansi flag to describe its C++ behavior.
23204 Remove bogus reference to GCC 2.9.
23206 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
23208 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
23209 note if it is non-NULL.
23211 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23213 * except.h (eh_nesting_info): Add new structure defintion.
23214 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
23215 (reachable_handlers, update_rethrow_references): Add function
23217 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
23218 a rethrow symbol instead of an integer exception region number.
23219 * flow.c (Make_edges): Use new exception nesting routines to determine
23220 which handlers are reachable from a CALL or asynchronous insn.
23221 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
23223 (delete_eh_regions): Update rethrow labels, and don't delete
23224 regions which are the target of a rethrow.
23225 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
23226 avoid overloading the SYMBOL_REF_USED flag.
23227 (rethrow_symbol_map): Use new rethrow_ref field.
23228 (rethrow_used): Use new rethrow_ref field.
23229 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
23230 of an integer. Fix formatting.
23231 (output_exception_table_entry): Use new rethrow_ref field.
23232 (can_throw): Check for EH_REGION_NOTE before deciding
23233 whether a CALL can throw or not.
23234 (scan_region): Call rethrow_used() instead of accessing data structure.
23235 (update_rethrow_references): New function to make sure only regions
23236 which are still targets of a rethrow are flagged as such.
23237 (process_nestinfo): New static function to initialize a handler
23238 list for a specific region.
23239 (init_eh_nesting_info): New function to allocate and initialize
23240 the list of all EH handlers reachable from all regions.
23241 (reachable_handlers): New function to retrieve the list of handlers
23242 reachable from a specific region and insn.
23243 (free_eh_nesting_info): New function to dispose of a list of
23244 reachable handlers.
23246 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23248 * flow.c (split_edge): Set JUMP_LABEL field.
23249 (commit_one_edge_insertion): Set head correctly for insert_before.
23250 When inserting insns, update insn block numbers if allocated.
23252 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23254 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
23255 retry_incomplete_types): Add static prototype.
23256 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
23257 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
23258 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
23259 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
23260 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
23263 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
23264 dwarf2out_start_source_file, dwarf2out_line): Likewise.
23266 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23268 * output.h (assemble_name): Constify a char*.
23270 * varasm.c (UNIQUE_SECTION, assemble_start_function,
23271 assemble_variable, assemble_name): Likewise.
23273 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
23275 * arm/pe.c (arm_pe_unique_section): Likewise.
23277 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
23279 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
23281 * i386/interix.c (i386_pe_unique_section): Likewise.
23283 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
23285 * i386/winnt.c (i386_pe_unique_section): Likewise.
23287 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
23289 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
23291 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
23293 * pa/pa.c (output_call): Likewise.
23295 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
23297 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
23299 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
23302 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
23305 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
23307 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
23308 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
23310 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
23312 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23314 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
23316 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23318 * tree.h (lang_identify): Constify a char*.
23319 (print_error_function): Add extern prototype. Constify a char*.
23321 * c-lang.c (lang_identify): Constify a char*.
23323 * objc/objc-act.c (lang_identify): Constify a char*.
23325 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23327 * genpeep.c (main): Make generated file include "function.h".
23328 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
23330 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23332 * Makefile.in: Update dependencies.
23333 * alias.c: Include "function.h"
23334 * c-decl.c: Likewise.
23335 * caller-save.c: Likewise.
23336 * calls.c: Likewise.
23337 * combine.c: Likewise.
23339 * explow.c: Likewise.
23340 * final.c: Likewise.
23341 * global.c: Likewise.
23342 * graph.c: Likewise.
23343 * local-alloc.c: Likewise.
23344 * loop.c: Likewise.
23345 * optabs.c: Likewise.
23346 * profile.c: Likewise.
23347 * recog.c: Likewise.
23348 * regclass.c: Likewise.
23349 * regmove.c: Likewise.
23350 * reload.c: Likewise.
23351 * reorg.c: Likewise.
23352 * resource.c: Likewise.
23353 * sched.c: Likewise.
23354 * stupid.c: Likewise.
23355 * config/1750a/1750a.c: Likewise.
23356 * config/a29k/a29k.c: Likewise.
23357 * config/arc/arc.c: Likewise.
23358 * config/arm/arm.c: Likewise.
23359 * config/arm/thumb.c: Likewise.
23360 * config/c4x/c4x.c: Likewise.
23361 * config/clipper/clipper.c: Likewise.
23362 * config/convex/convex.c: Likewise.
23363 * config/fx80/fx80.c: Likewise.
23364 * config/i860/i860.c: Likewise.
23365 * config/m68k/m68k.c: Likewise.
23366 * config/m88k/m88k.c: Likewise.
23367 * config/mips/mips.c: Likewise.
23368 * config/pdp11/pdp11.c: Likewise.
23369 * config/pyr/pyr.c: Likewise.
23370 * config/romp/romp.c: Likewise.
23371 * config/sh/sh.c: Likewise.
23372 * config/tahoe/tahoe.c: Likewise.
23373 * config/vax/vax.c: Likewise.
23374 * config/we32k/we32k.c: Likewise.
23375 * config/sparc/sparc.c: Include "function.h".
23376 (mem_min_alignment): Test current_function rather than
23377 regno_pointer_align.
23378 * config/pa/pa.c: Likewise.
23379 (compute_frame_size): Delete declaration of
23380 current_function_outgoing_args_size.
23381 * config/arc/arc.h (current_function_varargs): Delete declaration.
23382 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
23384 * config/i370/i370.h (current_function_outgoing_args_size): Delete
23386 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
23387 current_function_uses_pic_offset_table.
23388 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
23389 of current_function_returns_pointer.
23390 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23391 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23392 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23393 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23394 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23395 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23396 * config/m88k/m88k.c: Include "function.h"
23397 (call_used_regs, current_function_pretend_args_size,
23398 current_function_outgoing_args_size, frame_pointer_needed): Delete
23400 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
23402 * config/mips/mips.h (current_function_calls_alloca): Delete
23404 * config/mn10200/mn10200.h (current_function_needs_context,
23405 rtx_equal_function_value_matters): Delete declarations.
23406 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
23407 flag_pic): Delete declarations.
23408 * config/pa/pa.h (current_function_pretend_args_size,
23409 current_function_decl): Delete declarations.
23410 * config/pa/som.h (current_function_varargs): Delete declaration.
23411 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
23413 * config/pyr/pyr.h (current_function_pretend_args_size,
23414 current_function_args_size, current_function_calls_alloca): Delete
23416 * config/sh/sh.h (current_function_varargs): Delete declaration.
23417 * config/sparc/sparc.h (current_function_outgoing_args_size,
23418 current_function_calls_alloca, current_function_decl): Delete
23420 * config/spur/spur.h (current_function_pretend_args_size,
23421 current_function_calls_alloca): Delete declarations.
23422 * config/v850/v850.c (current_function_outgoing_args_size): Delete
23424 * config/vax/vms.h (current_function_name): Delete declaration.
23425 * gcse.c: Include "function.h".
23426 (current_function_name, current_function_calls_setjmp): Delete
23428 * haifa-sched.c: Include "function.h".
23429 (forced_labels): Delete declaration.
23430 * jump.c: Likewise.
23431 * reg-stack.c: Likewise.
23432 * reload1.c: Likewise.
23433 * genemit.c (main): Make generated file include function.h.
23434 * genoutput.c (output_prologue): Likewise.
23436 * builtins.c (saveregs_value, apply_args_value): Delete variables.
23437 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
23438 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
23439 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
23440 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
23441 macros for some of them.
23442 (emit_filename, emit_lineno): Delete declarations.
23443 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
23444 regno_pointer_* variables through current_function.
23445 (gen_inline_header_rtx): Delete function.
23446 (save_emit_status): Delete function.
23447 (set_new_last_label_num): New function.
23448 (clear_emit_caches): New function.
23449 (restore_emit_status): Just clear last_labelnum and call
23451 (get_last_insn_anywhere): Variable sequence_stack is now accessed
23452 through macro seq_stack.
23453 (add_insn_after): Likewise.
23454 (add_insn_before): Likewise.
23455 (remove_insn): Likewise.
23456 (pop_topmost_sequence): Likewise.
23457 (in_sequence_p): Likewise.
23458 (start_sequence_for_rtl_expr): Likewise.
23459 (start_sequence): Likewise, and likewise for
23460 sequence_rtl_expr/seq_rtl_expr.
23461 (push_topmost_sequence): Likewise.
23462 (end_sequence): Likewise.
23463 (init_virtual_regs): Now takes a "struct emit_status *" argument.
23464 All callers changed. Store into that pointer instead of globals.
23465 (init_emit): Allocate emit elt of current_function.
23466 Changes for sequence_rtl_expr/sequence_stack renaming.
23467 Call clear_emit_caches instead of doing it in-line.
23468 Access regno_pointer_* variables through current_function.
23469 (init_emit_once) Don't clear sequence_stack.
23471 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
23473 (arg_pointer_save_area): Delete declaration.
23474 (finish_expr_for_function): Renamed from init_queue; no longer static.
23475 (init_expr): Don't call init_queue.
23476 (save_expr_status, restore_expr_status): Delete functions.
23477 (expand_expr): Changes to reflect new layout of struct function.
23478 Don't access current_function_check_memory_usage when current_function
23480 * expr.h (forced_labels, save_expr_regs, saveregs_value,
23481 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
23482 current_function_outgoing_args_size, current_function_arg_offset_rtx,
23483 current_function_uses_const_pool, function_call_count,
23484 current_function_uses_pic_offset_table, nonlocal_labels,
23485 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
23486 current_function_check_memory_usage, nonlocal_goto_handler_slots,
23487 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
23489 (finish_expr_for_function): Declare.
23490 * flags.h (current_function_has_nonlocal_label,
23491 current_function_has_nonlocal_goto, current_function_is_thunk,
23492 current_function_has_computed_jump): Delete declarations.
23493 * flow.c (forced_labels): Delete declaration.
23494 * function.c (current_function_pops_args,
23495 current_function_returns_struct, current_function_returns_pcc_struct,
23496 current_function_needs_context, current_function_calls_setjmp,
23497 current_function_calls_longjmp, current_function_has_nonlocal_label,
23498 current_function_has_nonlocal_goto, current_function_is_thunk,
23499 current_function_has_computed_jump, current_function_calls_alloca,
23500 current_function_contains_functions, current_function_returns_pointer,
23501 current_function_epilogue_delay_list, current_function_args_size,
23502 current_function_pretend_args_size, current_function_arg_offset_rtx,
23503 current_function_outgoing_args_size, current_function_varargs,
23504 current_function_stdarg, current_function_args_info, cleanup_label,
23505 current_function_name, current_function_uses_const_pool,
23506 current_function_instrument_entry_exit, current_function_return_rtx,
23507 current_function_uses_pic_offset_table, nonlocal_labels,
23508 current_function_internal_arg_pointer, current_function_cannot_inline,
23509 current_function_check_memory_usage, function_call_count,
23510 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
23511 nonlocal_goto_stack_level, return_label, save_expr_regs,
23512 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
23513 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
23514 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
23515 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
23516 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
23518 (push_function_context_to): Don't save them. Don't call
23519 save_storage_status, save_emit_status or save_expr_status.
23520 (pop_function_context_from): Don't restore them. Don't call
23521 restore_storage_status or restore_expr_status.
23522 (get_func_frame_size): New function.
23523 (get_frame_size): Use it.
23524 (assign_outer_stack_local): Reflect some member name changes in struct
23526 (put_reg_into_stack): Likewise.
23527 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
23529 (fixup_var_refs): Likewise.
23530 (fix_lexical_addr): Likewise.
23531 (trampoline_address): Likewise.
23532 (prepare_function_start): Clear field inlinable of current_function.
23533 (init_function_for_compilation): New function.
23534 (expand_dummy_function_end): New function.
23535 (expand_function_end): Call finish_expr_for_function.
23536 * function.h (struct emit_status): New; fields moved here from struct
23537 function and from global variables. Add accessor macros for some of
23539 (struct expr_status): Likewise.
23540 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
23541 (struct function): Add fields expr and emit, inlinable, inl_emit,
23542 original_arg_vector, original_decl_initial, inl_last_parm_insn,
23543 inl_max_label_num. Add many comments.
23544 Add accessor macros for all elts of struct function that no longer
23545 have a global variable.
23546 (cleanup_label, return_label, frame_offset, tail_recursion_label,
23547 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
23548 stack_slot_list): Delete declarations.
23549 (get_func_frame_size): Declare.
23550 (save_expr_status, restore_expr_status, save_emit_status,
23551 save_storage_status, restore_storage_status): Delete declarations.
23552 (init_virtual_regs): Declare.
23553 * output.h (current_function_pops_args,
23554 current_function_returns_struct, current_function_returns_pcc_struct,
23555 current_function_needs_context, current_function_calls_setjmp,
23556 current_function_calls_longjmp, current_function_calls_alloca,
23557 current_function_has_nonlocal_label, current_function_varargs,
23558 current_function_has_computed_jump, current_function_returns_pointer,
23559 current_function_contains_functions, current_function_args_size,
23560 current_function_pretend_args_size, current_function_stdarg,
23561 current_function_outgoing_args_size, current_function_args_info,
23562 current_function_name, current_function_return_rtx,
23563 current_function_epilogue_delay_list,
23564 current_function_uses_const_pool, current_function_cannot_inline):
23565 Delete declarations.
23566 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
23567 regno_reg_rtx): Delete declaration.
23568 (REGNO_POINTER_FLAG): Delete macro.
23569 * stmt.c (expand_goto): Changes to reflect that some fields in struct
23570 function were renamed.
23571 * stor-layout.c (save_storage_status, restore_storage_status): Delete
23573 * toplev.c: Include "function.h".
23574 (current_function_decl): Delete declaration.
23575 (compile_file): Call init_dummy_function_start and
23576 expand_dummy_function_end around some initializations that need to
23578 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
23579 Call init_function_for_compilation.
23580 * unroll.c: Include "function.h"
23581 (unroll_loop): Access regno_pointer_* variables through
23584 * tree.h (struct tree_decl): Add elt f to saved_insns member.
23585 (DECL_SAVED_INSNS): use it.
23586 (expand_dummy_function_end): Declare.
23587 (init_function_for_compilation): Declare.
23588 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
23589 that it's no longer an INLINE_HEADER.
23590 (expand_call): Likewise.
23591 * integrate.c (finish_inline): Delete function.
23592 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
23593 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
23594 args. Don't generate an INLINE_HEADER rtx, just return the arg
23595 vector. All callers changed.
23596 (save_for_inline_copying): Create a duplicate struct emit_status to
23597 hold the emit state for compiling the current function. Use this and
23598 the other new fields in struct function that are for integration
23599 instead of an INLINE_HEADER.
23600 Use memcpy instead of bcopy.
23601 Store the current struct function in DECL_SAVED_INSNS of fndecl.
23602 (save_for_inline_nocopy): Similar changes, except no new emit_status
23604 (expand_inline_function): Get information from function structure,
23605 not from an inline header rtx.
23606 (output_inline_function): Lose code to extract the necessary
23607 information from an inline header; simply put back the function
23608 structure into current_function. Clear its inlinable elt.
23609 * rtl.def (INLINE_HEADER): Delete.
23610 * rtl.h: Delete all accessors for an INLINE_HEADER.
23611 (gen_inline_header_rtx): Delete declaration.
23612 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
23613 Delete declarations.
23614 (REGNO_POINTER_ALIGN): Delete.
23615 (clear_emit_caches): Declare.
23616 (set_new_last_label_num): Declare.
23618 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
23620 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
23622 * except.c (expand_eh_region_start_for_decl): Always start a new block.
23623 * stmt.c (is_eh_region): Make sure current_function is present, too.
23625 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
23627 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
23628 for 64bit PA targets.
23630 * pa.h (SELECT_SECTION): Define.
23631 * som.h (SELECT_SECTION): Delete.
23633 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23635 * alias.c (init_alias_analysis): Wrap call to
23636 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
23638 1999-08-07 Bruce Korb <autogen@linuxbox.com>
23640 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
23641 <sys/asm.h> contains an asm comment with an apostrophe
23642 * fixinc/inclhack.sh: regen
23643 * fixinc/fixincl.x: regen
23645 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
23647 * function.c (init_function_start): Clear prologue & epilogue.
23648 (prologue_epilogue_contains): New function.
23649 * alias.c (init_alias_analysis): Use it.
23650 * rtl.h (prologue_epilogue_contains): Declare it.
23652 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
23654 * jump.c (onlyjump_p): New function.
23655 * rtl.h: Declare it.
23656 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
23657 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
23659 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
23661 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
23662 to invert loops. Simplify block scanning.
23664 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23666 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
23667 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
23669 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
23671 * config/sparc/liteelf.h: New file to support sparclite-elf target
23672 * config/sparc/t-sp86x: New file to support sparc86x targets
23673 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
23674 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
23675 * configure.in: Support above target triplets
23676 * configure: Regenerated
23678 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
23680 * fixinc/server.c (server_setup): Do not prefix function used as
23681 parameter with `&'.
23683 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
23685 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
23686 Remove fp reg alternatives.
23688 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
23690 * Makefiin (TAROUTOPTS): Kill.
23691 (install-headers-tar): Use "xpf" for tar headerfile extraction
23692 * i370/x-oe (TAROUTOPTS): Delete.
23693 * m68k/x-apollo68 (TAROUTOPTS): Delete.
23694 * m68k/x-hp320 (TAROUTOPTS): Delete.
23695 * m68k/x-hp320g (TAROUTOPTS): Delete.
23696 * gcc.texi: Update bug reporting text.
23698 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
23700 * reg-stack.c (change_stack) Fixed problem with negative array index.
23702 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
23704 * extend.texi, install.texi: Fix spelling mistakes.
23706 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
23707 (s-attrtab); No longer try to use pre-made insn-attrtab file.
23708 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
23709 PREMADE_ATTRTAB_MD.
23710 * mips/t-ecoff: Likewise.
23711 * mips/t-elf: Likewise.
23712 * mips/t-mips: Likewise.
23713 * mips/t-osfrose: Likewise.
23714 * mips/t-r3900: Likewise.
23715 * mips/t-svr3: Likewise.
23716 * mips/t-svr4: Likewise.
23717 * mips/t-ultrix: Likewise.
23719 * gcc.texi: Document recommend means to provide software floating
23720 point libraries in libgcc.a
23722 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
23724 * c-lex.c (yylex): We can have a number with no digits.
23726 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
23728 * jump.c (delete_prior_computation): New function, broken
23729 out of delete_computation. Check for side effects with
23730 side_effects_p instead of FIND_REG_INC_NOTE. Handle
23731 multi-word hard registers.
23732 (delete_computation): Use it. Check for side effects with
23733 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
23734 missing REG_DEAD note for a register which is both set and
23737 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
23739 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
23740 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
23741 (ASM_FILE_START): Import _mcount with the right type.
23742 (ASM_DECLARE_FUNCTION_NAME): Define.
23743 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
23744 * pa.c (output_function_prologue): Always emit the function's label
23746 * pa.h (TEXT_SPACE_P): Define.
23747 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23748 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
23749 * som.h (TEXT_SPACE_P): Delete.
23750 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23751 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
23753 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
23755 * expr.c (emit_group_load): Allow src to be a CONCAT.
23757 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23759 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
23760 (___mulsi3): Use '!' comment character.
23762 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23764 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
23766 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
23768 * gcc.c: Update URLs and mail addresses.
23769 * gcc.texi: Likewise.
23771 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
23773 * rs6000.c (current_file_function_operand): Return zero for
23775 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
23777 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
23780 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
23782 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
23783 allocate space in the stack frame for the PIC register.
23785 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
23787 * m68k.md (xordi3, anddi3): These patterns are not available on
23790 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
23792 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
23793 (PUT_REAL): Likewise.
23795 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23797 * final.c (shorten_branches): Don't add an alignment for loops
23798 that have no label inside.
23800 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23802 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
23803 prototypes in macro HAVE_cmpstrsi.
23805 * cpplib.c (cpp_get_token): Remove unused label `op3'.
23807 * emit-rtl.c (operand_subword): Remove unused variable
23810 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
23812 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
23814 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
23816 * cpphash.c (macroexpand): Delete leading whitespace when arg
23817 is concatenated before.
23818 (unsafe_chars): Correct test for whether + and - can extend a
23821 * cppinit.c (cpp_start_read): Do dependencies for
23822 -include/-imacros files also.
23824 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
23825 tokenizing non-directive lines.
23826 (cpp_expand_to_buffer): Temporarily disable no-output mode.
23827 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
23830 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23832 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
23834 * c-lex.c: Sync with C++ frontend.
23835 (linemode): New variable.
23836 (parse_float): imag, conversion_errno, and type are output only.
23837 (yylex): Adjust. Move initial '.' case into main switch.
23839 (handle_generic_pragma): Just deal with tokens.
23840 (readescape): Use ISXDIGIT and ISGRAPH.
23841 * c-parse.in: Add END_OF_LINE token.
23843 * c-lex.c (lang_init): Generalize.
23844 (nextchar): Remove. Replace uses with UNGETC.
23845 (skip_white_space): Handle linemode here. Optimize for cpplib.
23846 (skip_white_space_on_line): Remove.
23847 (extend_token_buffer_to): New fn.
23848 (extend_token_buffer): Use it.
23849 (read_line_number, check_newline): Just deal with tokens.
23850 (token_getch, token_put_back): New fns.
23851 (yylex): Use them. More cpplib optimizations. Simplify.
23853 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
23854 Jason Merrill <jason@yorick.cygnus.com>
23856 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
23857 (consume_string): Make this smart about USE_CPPLIB.
23858 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
23859 (yylex): Rewrite to be intelligent about USE_CPPLIB.
23860 Also, clean up cases where we redundantly set token_buffer[0].
23861 (read_line_number): New fn.
23862 (ignore_escape_flag): New variable.
23864 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
23866 * a29k/t-a29kbare: Fix some comments.
23867 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
23868 (FPBIT, DPBIT): Define.
23869 * a29k/t-vx29k: Likewise.
23870 * arc/t-arc: Likewise.
23871 * arm/t-arm-elf: Likewise.
23872 * arm/t-bare: Likewise.
23873 * arm/t-pe: Likewise.
23874 * arm/t-pe-thumb: Likewise.
23875 * arm/t-semi: Likewise.
23876 * arm/t-thumb: Likewise.
23877 * arm/t-thumb-elf: Likewise.
23878 * arm/t-thumb-linux: Likewise.
23879 * h8300/t-h8300: Likewise.
23880 * i960/t-i960: Likewise.
23881 * i960/t-vxworks960: Likewise.
23882 * m32r/t-m32r: Likewise.
23883 * mips/t-ecoff: Likewise.
23884 * mips/t-elf: Likewise.
23885 * mips/t-r3900: Likewise.
23886 * pa/t-pro: Likewise.
23887 * rs6000/t-aix43: Likewise.
23888 * rs6000/t-beos: Likewise.
23889 * rs6000/t-newas: Likewise.
23890 * rs6000/t-ppccomm: Likewise.
23891 * rs6000/t-rs6000: Likewise.
23892 * rs6000/t-winnt: Likewise.
23893 * rs6000/t-xnewas: Likewise.
23894 * rs6000/t-xrs6000: Likewise.
23895 * sh/t-sh: Likewise.
23896 * sparc/t-elf: Likewise.
23897 * sparc/t-sparcbare: Likewise.
23898 * sparc/t-sparclite: Likewise.
23899 * sparc/t-splet: Likewise.
23900 * v850/t-v850: Likewise.
23901 * mn10200/t-mn10200: Fix comments.
23902 * mn10300/t-mn10300: Likewise.
23904 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
23905 dummy operand. Allocate a new pseudo for the dummy operand.
23906 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
23908 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
23910 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
23912 * configure: Rebuilt.
23913 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
23915 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
23917 * recog.c (preproces_constraints): Zero recog_op_alt before
23918 processing the constraints.
23920 * arm.c (typedef minipool_node): Renamed from pool_node.
23921 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
23922 (add_minipool_constant): New function.
23923 (dump_minipool): New function.
23924 (find_barrier): Remove special case for getting the insn size of
23925 an insn that references the constant pool.
23926 (minipool_fixup): New structure.
23927 (push_minipool_barrier): New function.
23928 (push_minipool_fix): New function.
23929 (note_invalid_constants): New function.
23930 (add_pool_constant, dump_table, fixit, broken_move): Delete.
23931 (arm_reorg): Rewrite code to fix up the constant pool into a
23932 series of mini-pools embedded in the insn stream.
23933 (arm_output_epilogue): New function, made mainly from the body
23934 of output_func_epilogue.
23935 (output_func_epilogue): Move insn generation part of epilogue code
23936 to arm_output_epilogue.
23937 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
23938 * arm.md (pool_range): New attribute.
23939 (zero_extendqidi2): Add attribute pool_range.
23940 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
23941 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
23942 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
23943 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
23944 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
23945 (epilogue): New expand.
23946 (epilogue_insn): New insn. Call arm_output_epilogue.
23948 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
23949 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
23951 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23953 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
23955 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
23957 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
23959 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
23961 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
23963 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
23965 * global.c: Fix comment.
23967 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
23969 * gcc.c (access_check): New static function.
23970 (find_a_file): Use it when searching a directory list.
23971 * collect2.c (find_a_file): Don't accept directories found when
23972 searching a directory list.
23974 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
23976 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
23977 function parameters with `&'.
23978 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
23980 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
23982 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
23983 or tidy_fallthru_edge if the last insn in the block is not
23984 an unconditional jump or a simple conditional jump.
23986 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23988 * Makefile.in (c-decl.o): Depends on defaults.h.
23990 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
23992 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
23994 (CLASS_MAX_NREGS): Likewise.
23996 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
23998 * cse.c (cse_insn): Fix dumb thinko in last change.
24000 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24002 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
24005 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
24007 * dwarf2out.c (add_location_or_const_value_attribute): Correct
24008 test for sizes of passed and declared parameter types.
24010 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24012 * fixincludes: Fix the return type of bsearch, char* -> void*.
24014 * fixinc/inclhack.def: Likewise.
24016 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
24018 * invoke.texi (-fdump-translation-unit): New option.
24020 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
24022 * expr.h (PROMOTE_PROTOTYPES): Move ...
24023 * defaults.h: ... to here.
24024 * c-decl.c: Include defaults.h instead of expr.h.
24025 * c-typeck.c: Include defaults.h.
24027 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
24029 * toplev.h (errorcount): Declare.
24030 (warningcount): Likewise.
24031 (sorrycount): Likewise.
24032 * c-lex.c (errorcount): Don't declare.
24033 * dwarf2out.c (errorcount): Don't declare.
24035 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
24037 * config/libgloss.h: Add a note discouraging use with ELF.
24038 * configure.in: Don't use libgloss.h for ELF targets.
24039 Always use_collect2 on a.out targets.
24041 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
24043 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
24044 (force_to_mode, case ASHIFTRT): Add shiftrt label.
24046 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24048 * loop.c (strength_reduce): When doing biv->giv conversion, update
24049 reg note of NEXT->insn.
24051 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24053 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
24055 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24057 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
24058 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
24059 Ensure expr.h is included.
24060 * c-typecheck.c (convert_arguments): Ditto.
24062 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
24064 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
24065 * config/convex/convex.h: Ditto.
24066 * config/dsp16xx/dsp16xx.h: Ditto.
24067 * config/fx80/fx80.h: Ditto.
24068 * config/gmicro/gmicro.h: Ditto.
24069 * config/i370/i370.h: Ditto.
24070 * config/i386/i386.h: Ditto.
24071 * config/m32r/m32r.h: Ditto.
24072 * config/m68k/m68k.h: Ditto.
24073 * config/m88k/m88k.h: Ditto.
24074 * config/mips/mips.h: Ditto.
24075 * config/pa/pa.h: Ditto.
24076 * config/pyr/pyr.h: Ditto.
24077 * config/tahoe/tahoe.h: Ditto.
24078 * config/we32k/we32k.h: Ditto.
24080 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
24081 based on arch size.
24083 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
24085 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
24088 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
24090 1999-08-02 Richard Henderson <rth@cygnus.com>
24092 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
24093 for the register spill block.
24094 (m32r_va_arg): New.
24095 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
24096 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
24098 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
24099 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
24100 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
24102 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24104 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
24105 MAX_WCHAR_TYPE defined in sparc.h.
24106 * config/sparc/linuxaout.h: Likewise.
24107 * config/sparc/linux64.h: Likewise.
24108 Also default to -mvis if CPU is UltraSPARC.
24110 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24112 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
24113 (RTX_OK_FOR_OLO10): Likewise.
24114 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
24115 %lo(), allow it in addresses...
24116 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
24117 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
24118 does not make sense.
24119 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
24120 (sparc_output_scratch_registers): New function.
24121 (output_function_prologue, sparc_flat_output_function_prologue): Use
24123 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
24125 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
24126 * configure.in: Add check for .register pseudo-op support in as and
24127 check for offsetable %lo().
24128 * acconfig.h: Add templates for the above checks.
24129 * configure: Regenerate.
24131 1999-08-02 Richard Henderson <rth@cygnus.com>
24133 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
24134 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
24135 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
24137 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24139 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
24142 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24144 * config/float-sparc.h: New file.
24145 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
24146 sparc-*-linux-gnu and sparc64-*-linux*.
24148 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24150 * rs6000.c (rs6000_va_list): Type is an array.
24151 (rs6000_va_start): Don't doubly adjust for varargs.
24152 (rs6000_va_arg): Evaluate long long GPR adjustment.
24154 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
24156 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
24157 -maix64 and -maix32.
24158 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
24159 LINK_SPEC): Change appropriately.
24160 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
24161 (u_short_cint_operand): Likewise.
24162 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
24164 * rs6000/t-aix43 (MULTILIB): Change to -m64.
24166 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
24168 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
24170 * rs6000/rs6000.c (num_insns_constant_wide): Correct
24171 for type promotion.
24172 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
24173 (non_add_cint_operand): Likewise.
24174 (logical_operand): Likewise.
24175 (non_logical_cint_operand): Likewise.
24176 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
24177 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
24178 (rs6000_select_rtx_section): Suppress warning.
24179 (small_data_operand): Suppress warning.
24180 (rs6000_got_register): Suppress warning.
24181 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
24182 type, so `J' is generally the wrong constraint for a SImode value;
24184 (andsi3_internal2): Likewise.
24185 (andsi3_internal3): Likewise.
24186 (iorsi3_internal1): Likewise.
24187 (xorsi3_internal1): Likewise.
24189 (movsf_softfloat): Likewise.
24190 (scc insns): Likewise.
24191 (movsi+2): Preserve sign bits of SImode constant.
24192 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
24193 (movdf+1): Sign-extend properly.
24194 (movdi_32+1): Sign-extend properly.
24195 (scc insns): Sign-extend properly.
24197 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
24200 1999-08-02 Richard Henderson <rth@cygnus.com>
24202 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
24203 -mcpu parsing code.
24204 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
24205 * alpha.md (all fp insns): Likewise.
24207 1999-08-02 Nick Clifton <nickc@cygnus.com>
24209 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
24212 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
24214 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
24215 pic_load_label generator directly.
24216 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
24217 No longer a named pattern.
24219 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
24221 * explow.c (force_reg): Call force_operand if X does not
24222 satisfy general_operand.
24224 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
24226 * fix-header.c (main): When testing for CONTINUED, use string
24227 equality, not pointer equality.
24229 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
24231 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
24233 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
24235 * cse.c (cse_insn): Fix loop which deletes insns after a jump
24236 that has become an unconditional jump.
24238 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
24239 (output_function_epilogue): Similarly.
24241 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24243 * tree.h (init_dummy_function_start): Declare.
24245 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24247 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
24248 last_expr_type, last_expr_value, block_start_count, block_stack,
24249 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
24250 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
24251 dynamically in stmt elt of struct function for each function.
24252 (struct nesting): Rename function_call_count elt to n_function_calls,
24253 target_temp_slot_level to block_target_temp_slot_level. All users
24255 (struct stmt_status): New structure definition.
24256 Add many accessor macros for stmt_status elements which previously
24257 were global variables.
24258 (init_stmt_for_function): Allocate stmt elt for current_function.
24259 Reflect that block_start_count was renamed to
24260 current_block_start_count.
24261 (save_stmt_status, restore_stmt_status): Delete functions.
24262 (preserve_subexpressions_p): Don't access loop_stack when outside
24264 (expand_start_bindings): Reflect that block_start_count was renamed to
24265 current_block_start_count.
24266 (expand_fixup): Likewise.
24267 (expand_decl): Don't access block_stack when outside a function.
24268 (expand_decl_cleanup): Likewise.
24269 (expand_dcc_cleanup): Likewise.
24270 (expand_dhc_cleanup): Likewise.
24271 (expand_anon_union_decl): Likewise.
24272 (set_file_and_line_for_stmt): New function.
24273 (in_control_zone_p): New function.
24275 * function.h (struct function): Add new elt stmt.
24276 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
24277 case_stack, nesting_stack, nesting_depth, block_start_count,
24278 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
24279 emit_lineno, goto_fixup_chain.
24280 (save_eh_status, restore_eh_status, save_stmt_status,
24281 restore_stmt_status): Delete declarations.
24282 * function.c (push_function_context_to): Don't call save_stmt_status.
24283 (pop_function_context_to): Don't call restore_stmt_status.
24284 * tree.h (in_control_zone_p): Declare.
24285 * rtl.h (set_file_and_line_for_stmt): Declare.
24287 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
24288 call set_file_and_line_for_stmt.
24290 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
24292 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
24293 Also update copyright.
24295 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24297 * c-pragma.c: Don't include "except.h".
24298 * emit-rtl.c: Likewise.
24299 * stor-layout.c: Likewise.
24300 * tree.c: Likewise.
24301 * varasm.c: Likewise.
24303 * flow.c: Include "function.h".
24304 * tree.h (init_dummy_function_start): Declare new function.
24306 * except.h (struct eh_status): New structure.
24307 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
24309 (eh_return_stub_label, ehstack, catchstack, ehqueue,
24310 catch_clauses, false_label_stack, caught_return_label_stack,
24311 protect_list, current_function_ehc): Add accessor macros for the
24312 corresponding fields in current_function->eh; delete declarations
24313 for all items that used to be declared here.
24314 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
24315 catch_clauses, false_label_stack, caught_return_label_stack,
24316 protect_list, current_function_ehc): Delete variables.
24317 (init_eh_for_function): Allocate current_function->eh.
24318 (save_eh_status, restore_eh_status): Delete functions.
24320 * function.h (struct function): Add fields next_global and eh.
24321 Delete all exception handling related fields.
24322 * function.c (current_function): New variable.
24323 (all_functions): New variable.
24324 (push_function_context_to): Don't allocate a struct function,
24325 use current_function instead. Call init_dummy_function_start when
24326 outside a function. Clear current_function before returning.
24327 (pop_function_context_from): Restore current_function.
24328 Don't free the restored struct function.
24329 (prepare_function_start): New function.
24330 (init_dummy_function_start): New function.
24331 (init_function_start): Break out some code into prepare_function_start
24334 * stmt.c (save_stmt_status): Don't call save_eh_status.
24335 (restore_stmt_status): Don't call restore_eh_status.
24337 * Makefile.in: Update dependencies.
24339 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
24341 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
24342 of depending on a magic constant value. Update comments.
24343 (hppa_expand_prologue): Similarly.
24345 * pa.md (reload_indi, reload_outdi): Allow any register for the
24346 original reload register.
24348 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
24350 * cccp.c (print_help): Change marcos to macros.
24352 1999-07-30 Richard Henderson <rth@cygnus.com>
24354 * c-typeck.c (initializer_constant_valid_p): Move ...
24355 * c-common.c (initializer_constant_valid_p): ... here. Use
24356 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
24357 of label addresses.
24358 * c-common.h (initializer_constant_valid_p): Declare.
24359 * c-tree.h (initializer_constant_valid_p): Remove.
24361 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
24363 * config/i386/sol2-c1.asm: Align the stack.
24364 * config/i386/sol2-gc1.asm: Likewise.
24366 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
24368 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
24369 -Asparclite for sparc86x.
24370 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
24372 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
24374 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
24376 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
24377 the user if using the non-default arch size in BI_ARCH configuration.
24378 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
24380 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
24381 Fix patterns so that they actually match.
24382 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
24383 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
24384 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
24386 (mulsidi3): Reflect this in the expand.
24387 (smulsi3_highpart): Only on TARGET_ARCH32.
24388 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
24389 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
24390 (umulsidi3): Reflect this in the expand.
24391 (umulsi3_highpart): Only on TARGET_ARCH32.
24392 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
24393 don't require g0 to be zero.
24394 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
24395 ({,u}divsi3): New expands.
24396 ({,u}divsi3_sp64): New patterns.
24397 (after lshrdi3_v8plus): Four new patterns to help combiner
24398 optimizing nested mixed mode shifts.
24400 * config/sparc/sparc.c (sparc_override_options): Use deprecated
24401 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
24402 speed things up. Don't use them by default on plain v9 in 64bit
24403 mode, according to what SPAMv9 sais.
24405 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
24406 top 32 bits of %[og][0-7] in signal handlers.
24407 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
24409 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
24411 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
24412 (ashlsi3): Corresponding changes.
24414 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
24416 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
24418 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
24420 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24422 * arm.h (Hint): Delete macro.
24423 Substitute HOST_WIDE_INT for Hint in some prototypes.
24424 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
24426 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
24428 * builtins.c (expand_builtin_setjmp): Use force_operand to
24429 make sure that the buffer address is in a suitable form to be
24430 passed to force_reg.
24432 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
24434 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
24437 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
24439 * pa.md (indirect_jump): Remove mode from match_operand. Verify
24440 proper mode in the condition string.
24441 (icacheflush, dcacheflush): Remove modes from match_operands.
24443 * pa.c (emit_move_sequence): Always convert scratch_reg to the
24444 proper mode before using it.
24446 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
24449 * pa.c (store_reg): Do not call add_high_const generator directly.
24450 (load_reg, set_reg_plus_d): Likewise.
24451 * pa.md (add_high_const): No longer a named pattern.
24453 * pa.c (legitimize_address): Consistently use Pmode rather than
24454 SImode. Do not call gen_pic2_highpart directly anymore.
24455 * pa.md (pic2_highpart): No longer a named pattern.
24456 (pic2_lo_sum): Similarly. Reformat to make more readable.
24458 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
24463 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24465 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
24467 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
24469 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
24470 and tag the spill mems.
24471 (hppa_va_start): New.
24472 (hppa_va_arg): New.
24473 * pa.h (EXPAND_BUILTIN_VA_START): New.
24474 (EXPAND_BUILTIN_VA_ARG): New.
24476 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
24478 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
24479 and tag the spill mems.
24480 (mn10300_va_start): New.
24481 (mn10300_va_arg): New.
24482 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
24483 (EXPAND_BUILTIN_VA_ARG): New.
24485 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
24487 * mn10200.c (mn10200_va_arg): New.
24488 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
24490 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
24492 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
24493 rather than play with TREE_INT_CST_LOW.
24495 1999-07-27 Philip Blundell <pb@nexus.co.uk>
24497 * config/arm/telf.h: Include dbxelf.h.
24498 (CPP_PREDEFINES): Only define if not already defined.
24499 (ASM_IDENTIFY_GCC): Likewise.
24500 (SUBTARGET_EXTRA_SECTIONS): Likewise.
24501 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
24502 * config/arm/thumb.h (LINK_SPEC): Only define if not already
24504 (DBX_DEBUGGING_INFO): Don't define.
24505 * config/arm/linux-telf.h: New file.
24506 * config/arm/linux-tgas.h: New file.
24507 * config/arm/t-thumb-linux: New file.
24508 * config/arm/uclinux-elf.h: New file.
24509 * config/arm/uclinux-telf.h: New file.
24510 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
24511 thumb-*-uclinux): New targets.
24512 * configure: Regenerate.
24514 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
24516 * pa.md (post_store, pre_load): New expanders.
24517 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
24518 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
24519 need to directly generate RTL for them.
24520 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
24523 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
24525 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
24526 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
24527 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
24528 (secndary_reload_class): Make TARGET_ELF conditional compile.
24529 (print_operand_address): Similar.
24530 (output_toc): Print all values as hex.
24531 (get_issue_rate): Rearrange and add RS64A and PPC630.
24532 * rs6000.h (processor_type): Add RS64A and PPC630.
24533 (PROCESSOR_POWERPC64): New.
24534 (PROMOTE_MODE): Use word_mode.
24535 (RTX_COSTS): Add RS64A and PPC630.
24536 * rs6000.md (scheduling information): Add lmul and ldiv
24537 representing 64-bit integer multiply and divide. Add rs64a and
24538 PPC630 information.
24539 (ashldi3): Add support for "rldic" instruction.
24540 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
24542 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
24544 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
24545 instead of V8 for sparclite86x in cpu_table.
24547 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24549 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
24550 output_file_directive.
24552 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
24554 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
24555 tree for op1, not the rtl.
24557 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
24559 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
24560 to m88k_va_start, leaving only the register spill.
24561 (m88k_build_va_list): New.
24562 (m88k_va_start): New.
24563 (m88k_va_arg): New.
24564 * m88k.h (BUILD_VA_LIST_TYPE): New.
24565 (EXPAND_BUILTIN_VA_START): New.
24566 (EXPAND_BUILTIN_VA_ARG): New.
24568 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
24570 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
24571 Rename from expand_builtin_saveregs.
24572 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
24574 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
24576 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
24577 for the register spill block.
24578 (i960_build_va_list): New.
24579 (i960_va_start): New.
24580 (i960_va_arg): New.
24581 * i960.h (BUILD_VA_LIST_TYPE): New.
24582 (EXPAND_BUILTIN_VA_START): New.
24583 (EXPAND_BUILTIN_VA_ARG): New.
24584 * i960.md (store_multiple): Use change_address on individul mems.
24586 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
24588 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
24590 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
24591 (expand_builtin_va_end): Evaluate arg for side effects.
24592 * c-common.c (c_common_nodes_and_builtins): Construct a
24593 va_list_arg_type_node to handle array decomposition to pointer.
24595 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
24597 * except.c (st_dynamic_cleanup): Use force_operand on the
24600 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
24602 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
24603 * c4x.c (c4x_va_arg): New.
24605 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
24607 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
24608 has manual_pop set.
24610 1999-07-26 Nathan Sidwell <nathan@acm.org>
24612 * eh-common.h (__eh_matcher): Prototype correctly.
24614 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
24616 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
24617 (TARGET_SINGLE_PIC_BASE): Likewise.
24618 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
24620 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
24621 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
24622 (TARGET_OPTIONS): Add -mpic-register=N.
24623 (OUTPUT_INT_ADDR_CONST): New macro.
24624 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
24625 LEGITIMATE_PIC_OPERAND_P): Likewise.
24626 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
24627 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
24628 output_addr_const directly.
24629 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
24631 (thumb_pic_register, thumb_pic_register_string): Declare.
24633 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
24635 (label_mentioned_p): New function: Imported from arm.c.
24636 (legitimize_pic_address): New function: Imported from arm.c.
24637 (is_pic):New function: Imported from arm.c.
24638 (thumb_finalize_pic):New function: Imported from arm.c.
24639 (add_constant): Cope with PIC constants.
24640 (fixit): Cope with PIC constants.
24641 (output_return): Do not treat the PIC register as live if
24642 TARGET_SINGLE_PIC_BASE is true.
24643 (thumb_function_prologue): Do not treat the PIC register as live if
24644 TARGET_SINGLE_PIC_BASE is true.
24645 (thumb_expand_prologue): Do not treat the PIC register as live if
24646 TARGET_SINGLE_PIC_BASE is true.
24647 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
24648 TARGET_SINGLE_PIC_BASE is true.
24649 (thumb_print_operand): Accept '|'.
24650 (thumb_override_options): Process PIC options.
24652 * config/arm/thumb.md (movsi): Support PIC.
24653 (call_insn): Change "i" constraint to "X".
24654 (call_value_insn): Likewise.
24655 (consttable_4, consttable_8, consttable_end): Set and clear
24656 "making_const_table" as appropriate.
24657 (pic_load_addr, pic_add_dot_plus_four): New insns.
24659 * invoke.texi (Thumb Options): Fix spelling. Document new
24660 options -msingle-pic-base and -mpic-register=.
24662 1999-07-26 Andrew Haley <aph@cygnus.com>
24664 * config/m32r/initfini.c (__init): Use a full word immediate for
24665 __fini: this allows it to be placed in any memory region.
24667 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
24668 -mmodel=medium. This is OK for all memory models.
24670 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
24672 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
24673 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
24675 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
24677 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
24680 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
24682 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
24684 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
24685 (BUILD_VA_LIST_TYPE): New.
24686 (EXPAND_BUILTIN_VA_START): New.
24687 (EXPAND_BUILTIN_VA_ARG): New.
24688 * i860.c (output_delayed_branch): Disable.
24689 (output_delay_insn): Likewise.
24690 (i860_saveregs): New.
24691 (i860_build_va_list): New.
24692 (i860_va_start): New.
24693 (i860_va_arg): New.
24694 * i860.md: Disable all peepholes using output_delayed_branch.
24695 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
24697 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
24699 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
24700 (BUILD_VA_LIST_TYPE): New.
24701 (EXPAND_BUILTIN_VA_START): New.
24702 (EXPAND_BUILTIN_VA_ARG): New.
24703 * clipper.c (clipper_builtin_saveregs): Only dump registers.
24704 Return the address of the save area.
24705 (clipper_build_va_list): New.
24706 (clipper_va_start): New.
24707 (clipper_va_arg): New.
24709 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
24711 * arc.h (EXPAND_BUILTIN_VA_START): New.
24712 (EXPAND_BUILTIN_VA_ARG): New.
24713 * arc.c (arc_setup_incoming_varargs): Set alias set of
24715 (arc_va_start): New.
24718 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
24720 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
24721 (BUILD_VA_LIST_TYPE): New.
24722 (EXPAND_BUILTIN_VA_START): New.
24723 (EXPAND_BUILTIN_VA_ARG): New.
24724 * alpha.c (alpha_builtin_saveregs): Delete.
24725 (alpha_build_va_list): New.
24726 (alpha_va_start): New.
24727 (alpha_va_arg): New.
24729 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
24731 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
24733 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
24734 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
24736 * gcc.texi: More changes related to list conversion.
24737 * invoke.texi: Likewise.
24739 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
24741 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
24742 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
24743 (expand_builtin_next_arg): Accept ARGLIST not EXP.
24744 (stabilize_va_list): New function.
24745 (std_expand_builtin_va_start): New function.
24746 (expand_builtin_va_start): New function.
24747 (get_varargs_alias_set): New function.
24748 (std_expand_builtin_va_arg): New function.
24749 (expand_builtin_va_arg): New function.
24750 (expand_builtin_va_end): New function.
24751 (expand_builtin_va_copy): New function.
24752 (expand_builtin): Call them.
24753 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
24754 __builtin_{varargs_start,stdarg_start,end,copy}.
24755 (build_va_arg): New function.
24756 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
24757 (build_va_arg): Declare.
24758 * c-decl.c (ptr_type_node, va_list_type_node): New.
24759 * c-parse.gperf (__builtin_va_arg): New.
24760 * c-parse.in (VA_ARG): New token.
24761 (unary_expr): Recognize it.
24762 * expr.c (expand_expr): Expand VA_ARG_EXPR.
24763 * expr.h (std_expand_builtin_va_start): Declare.
24764 (std_expand_builtin_va_arg): Declare.
24765 (expand_builtin_va_arg): Declare.
24766 (get_varargs_alias_set): Declare.
24767 * tree.def (VA_ARG_EXPR): New.
24768 * tree.h (BUILT_IN_VARARGS_START): New.
24769 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
24770 (ptr_type_node, va_list_type_node): Declare.
24771 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
24772 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
24773 * m88k.h, m88k.c: Likewise.
24774 * mn10300.h, mn10300.c: Likewise.
24775 * pa.h, pa.c: Likewise.
24776 * rs6000.h, rs6000.c: Likewise.
24777 * sh.h, sh.c: Likewise.
24778 * sparc.h, sparc.c: Likewise.
24780 * emit-rtl.c (operand_subword): Copy alias set.
24781 (change_address): Likewise.
24783 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
24785 * pa.c (compute_frame_size): Scan all the used callee saved registers,
24786 not just the first one.
24788 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
24790 * config/arm/arm.h (TARGET_SWITCHES): Add
24791 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
24792 (TARGET_OPTIONS): Add -mpic-register=.
24793 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
24794 (arm_pic_register_string): Declare.
24795 (NEED_PLT_GOT): Delete, replace with ...
24796 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
24797 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
24798 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
24799 * config/arm/arm.c (arm_override_options): Add new option
24801 (arm_pic_register_string): New variable.
24802 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
24803 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
24804 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
24805 (output_return_instruction): Likewise.
24806 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
24807 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
24808 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
24810 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
24811 mention of -msched-prolog. Document new options -msingle-pic-base
24812 and -mpic-register=.
24814 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
24816 * haifa-sched.c (reemit_notes): Tidy.
24817 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
24820 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
24822 * explow.c (trunc_int_for_mode): New function.
24823 (plus_constant_wide): Use it.
24824 * combine.c (simplify_and_const_int): Likewise.
24825 (merge_outer_ops): Likewise.
24826 (simplify_shift_const): Likewise.
24827 * cse.c (simplify_unary_operation): Likewise.
24828 (simplify_binary_operation): Likewise.
24829 * emit-rtl.c (operand_subword): Likewise.
24830 * rtl.h: Declare it.
24832 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24834 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
24835 (use NUM_REGS instead of NUM_INTS).
24837 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24839 * builtins.c: New file.
24840 * expr.c (saveregs_value, apply_args_value): Delete definition,
24841 moved into builtins.c.
24842 (string_constant): No longer static.
24843 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
24844 apply_args_size, apply_result_size, result_vector,
24845 expand_builtin_apply_args, expand_builtin_apply,
24846 expand_builtin_return): Delete functions, moved into builtins.c.
24847 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
24848 * expr.h (saveregs_value, apply_args_value): Declare variables.
24849 (expand_builtin, string_constant): Declare functions.
24850 * Makefile.in: Update to build builtin.o.
24852 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
24854 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
24855 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
24856 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
24857 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
24859 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
24862 1999-07-21 Michael Meissner <meissner@cygnus.com>
24864 * print-rtl.c (print_rtx): Print the names of the virtual
24867 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
24869 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
24870 introduced in previous delta.
24872 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24874 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
24875 to avoid name clash.
24877 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
24879 * c-lex.c (yylex) : Correct the test for overflow when lexing
24882 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
24884 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
24885 (adjust_priority): Always call ADJUST_PRIORITY.
24886 (schedule_insn): Only put insns into the ready at cost 0.
24887 (schedule_block): Remove redundant initial sort. Give clock_var
24888 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
24890 * tm.texi (MD_SCHED_REORDER): Update docs.
24892 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
24893 * sparc.c (ultra_reorder_called_this_block): Delete.
24894 (ultrasparc_sched_init): Don't set it.
24895 (ultrasparc_sched_reorder): Don't check it.
24897 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
24899 * rs6000.h (struct rs6000_args): Add sysv_gregno.
24900 * rs6000.c (init_cumulative_args): Init sysv_gregno.
24901 (function_arg_boundary): Align DFmode.
24902 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
24903 to get fp reg and stack overflow correct.
24904 (function_arg): Likewise.
24905 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
24906 (setup_incoming_varargs): Restructure for ABI_V4; use
24907 function_arg_advance to skip final named argument.
24908 (expand_builtin_saveregs): Properly unskip the last integer arg
24909 when doing varargs. Adjust overflow location calculation.
24911 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
24912 explicitly unsigned.
24913 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
24914 (__VA_GP_REGSAVE): Similarly.
24915 (__va_longlong_p): Delete.
24916 (__va_arg_type_violation): New declaration.
24917 (va_arg): Restructure. Flag promotion errors. Align double.
24918 TFmode passed by reference.
24920 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
24921 in the HOST_BITS_PER_WIDE_INT > 32 case.
24923 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
24925 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
24927 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
24929 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
24930 * toplev.c (documented_lang_options): Add -fpreprocessed.
24931 * cpplib.h (struct cpp_buffer): Add preprocessed.
24932 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
24933 (cpp_start_read): Don't expand macros or emit an initial #line
24934 directive if -fpreprocessed.
24936 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24938 * cpplib.h (struct cpp_buffer): Added manual_pop for
24939 better C++ tokenization.
24940 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
24941 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
24942 * c-common.c (cpp_token): Make non-static.
24944 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24946 * c-common.h: New file.
24947 * c-common.c (permanent_obstack): Delete unused declaration.
24948 (c_global_trees): New array.
24949 (c_common_nodes_and_builtins): New function; split off common code
24950 from init_decl_processing in both c-decl.c and cp/decl.c.
24951 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
24952 c_global_trees and accessor macros defined in c-common.h.
24953 Include c-common.h.
24954 * c-decl.c: Delete definitions for tree nodes that were replaced by
24956 (init_decl_processing): Build void_list_node.
24957 Call c_common_nodes_and_builtins; delete code to generate the common
24959 * objc/objc-act.c (build_module_descriptor): Rename variable
24960 void_list_node to avoid clash with c-common.h.
24962 * Makefile.in: Update dependencies.
24963 * objc/Make-lang.in: Likewise.
24965 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
24967 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
24968 (UNIQUE_SECTION_P): Likewise.
24969 (UNIQUE_SECTION): Likewise.
24971 1999-07-19 Linas Vepstas <linas@linas.org>
24973 * config/i370/README: New file.
24974 * config/i370/linux.h: New file.
24975 * config/i370/mvs.h: New file.
24976 * config/i370/oe.h: New file.
24977 * config/i370/t-linux: New file.
24978 * config/i370/t-mvs: New file.
24979 * config/i370/t-oe: New file.
24980 * config/i370/x-oe: New file.
24981 * config/i370/xm-linux.h: New file.
24982 * config/i370/xm-mvs.h: New file.
24983 * config/i370/xm-oe.h: New file.
24985 * i370.c (label_node_t): Add first_ref_page, label_addr,
24986 label_first_ref, label_last_ref members.
24987 (mvs_need_base_reload): Renamed from mvs_label_emitted.
24988 (MAX_MVS_LABEL_SIZE): Define.
24989 (MAX_LONG_LABEL_SIZE): Define.
24990 (alias_node_t, alias_anchor, alias_number): New.
24991 (mvs_function_table): Reorder for EBCDIC.
24992 (ascebc, ebcasc): Unconditionally define.
24993 (i370_branch_dest, i370_branch_length): New functions.
24994 (i370_short_branch, i370_label_scan): New functions.
24995 (mvs_get_label): Renamed from mvs_add_label. Search for
24996 an existing label before creating a new one.
24997 (mvs_add_label): New function.
24998 (mvs_get_label_page): New function.
24999 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
25000 over the entire list.
25001 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
25002 (mvs_check_page) [TARGET_ELF_ABI]: New function.
25003 (mvs_add_alias, mvs_need_alias): New functions.
25004 (mvs_get_alias, mvs_check_alias): New functions.
25005 (handle_pragma): New function.
25006 (mvs_function_check): New function.
25007 (unsigned_jump_follows_p): Search harder.
25008 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
25009 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
25010 * i370.h (TARGET_VERSION): Delete.
25011 (CPP_SPEC, CPP_PREDEFINES): Delete.
25012 (mvs_label_emitted): Delete.
25013 (TARGET_EBCDIC): Delete.
25014 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
25015 (HANDLE_PRAGMA): Define.
25016 (HARD_REGNO_NREGS): Handle complex modes.
25017 (HARD_REGNO_MODE_OK): Likewise.
25018 (CLASS_MAX_NREGS): Likewise.
25019 (RET_REG): Likewise.
25020 (EXTRA_CONSTRAINT): Define.
25021 (RETURN_IN_MEMORY): True for DImode.
25022 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
25023 (FUNCTION_PROFILER): Delete.
25024 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
25025 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
25026 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
25027 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
25028 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
25029 (ASM_FILE_START): Add "RMODE ANY".
25030 (ASM_OUTPUT_EXTERNAL): Check for aliases.
25031 (ASM_GLOBALIZE_LABEL): Likewise.
25032 (ASM_OUTPUT_LABELREF): Likewise.
25033 (ASM_OUTPUT_COMMON): Likewise.
25034 (PRINT_OPERAND): Handle 'K', 'W', default.
25035 (PRINT_OPERAND_ADDRESS): New.
25036 (Lots of defines): Add support for TARGET_ELF_ABI.
25037 * i370.md (attr length): New. Define for all patterns.
25038 (*): Lots of tweeks to assembly output and constraints.
25040 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
25042 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
25043 Disable patterns performing SImode comparisons with SImode values
25044 if TARGET_POWERPC64 and instruction does not sign-extend or does
25045 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
25046 differ for signed quantities.
25047 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
25048 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
25049 (decrement_and_branch_on_count): Add 64-bit variant.
25051 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25053 * final.c (output_asm_insn): When searching for the matching string
25054 for a given dialect, don't run past the end of the list of
25055 alternatives if there are fewer alternatives in the template than
25058 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
25060 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
25061 Removed paragraph about compression of files and size limitation,
25062 duplicated in the FAQ. Use gcc-patches for posting patches.
25063 * gcc.c (main): Updated URL with bug reporting instructions to
25064 gcc.gnu.org. Removed e-mail address.
25065 * system.h (abort): Likewise.
25067 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25069 * Makefile.in (stmp-multilib-sub): Make the files extracted
25070 from $(LIBGCC1) writable.
25072 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
25074 * config/arm/aout.h: Reformat for improved readability.
25076 * config/arm/arm.h: Reformat for improved readability.
25077 Replace uses of fprintf with asm_fprintf where appropriate.
25078 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
25079 function declaration assembler actions.
25080 (NUM_INTS): New macro: Convert from bytes to words.
25081 (NUM_REGS): New macro: Compute number of registers required to
25082 hold a quanitity of tyep MODE.
25083 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
25085 (NUM_ARG_REGS): New macro: The number of argument registers
25087 (ARG_REGISTER): New macro: Compute the register number of the Nth
25089 (LAST_ARG_REGNUM): New macro: The number of the last argument
25091 (SP_REGNUM): New macro: Register number of the stack pointer.
25092 (FP_REGNUM): New macro: Register number of the frame pointer.
25093 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
25094 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
25095 CUMULATIVE_ARGS so that it counts registers not bytes.
25097 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
25099 Replace uses of fprintf with asm_fprintf where appropriate.
25100 (output_ascii_pseudo_op): Replace with version from thumb.c
25102 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
25104 * config/arm/elf.h (CPP_PREDEFINES): Replace with
25105 SUBTARGET_CPP_SPEC.
25106 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
25107 (ASM_FILE_START): Emit ASM_APP_OFF.
25109 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
25111 * pa.c (compute_frame_size): Round frame according to
25112 STACK_BOUNDARY rather than a hardwired value.
25114 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
25116 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
25118 * configure: Rebuilt.
25120 * configure.in (hppa*-*-linux*): New configuration.
25121 * configure: Rebuilt.
25122 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
25123 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
25124 * pa/pa-linux.h: New file.
25125 * pa/t-linux: New file.
25126 * pa/xm-linux.h: New file.
25128 * pa.c (hppa_legitimize_address): Change references from SImode to
25129 either Pmode or word_mode as appropriate.
25130 (emit_move_sequence, store_reg, load_reg): Likewise.
25131 (set_reg_plus_d, hppa_expand_prologue): Likewise.
25132 (output_mul_insn): Likewise.
25133 * pa.h (PROMOTE_MODE): Likewise.
25134 (INITIALZE_TRAMPOLINE): Likewise.
25135 (Pmode): Define to word_mode.
25137 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
25138 value of 4. Allocate 8 bytes for each FP register save.
25139 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
25141 (hppa_expand_prologue): Likewise.
25142 * pa.h (PROMOTE_MODE): Likewise.
25143 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
25144 (FUNCTION_ARG_BOUNDARY): Likewise.
25146 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
25148 * pa.c (out_of_line_prologue_epilogue): Delete.
25149 (override_options): Remove -mspace related code.
25150 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
25151 (compute_frame_size): Only allocate space for register that
25152 actually need to be saved.
25153 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
25154 (TARGET_SWITCHES): Remove -mspace, -mno-space
25155 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
25156 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
25157 * pa/ee.asm, pa/ee_fp.asm: Delete.
25159 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
25161 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
25162 directive in column zero.
25164 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
25166 * m68k.c (output_function_prologue): Fix computation of save mask
25167 when generating PIC code.
25169 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
25171 * tree.c (build_type_attribute_variant): Move current_obstack restore
25172 after build_qualified_type call.
25174 1999-07-15 Mark Mitchell <mark@codesourcery.com>
25176 * configure.in: Use t-iris6, even with GNU LD.
25177 * config/mips/iris6gld.h: Fix typo in linker spec.
25178 * config/mips/t-iris6gld: Remove.
25180 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
25182 * rs6000.md (insv, extzv): Remove SImode dependence in named
25183 patterns. Explicitly generate DImode RTL if PowerPC64 and
25185 (insvdi): Reverse start and size in instruction template.
25187 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
25189 * invoke.texi: Typo fixes.
25191 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
25193 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
25194 handle at this time instead of silently generating incorrect code.
25195 (gen_imagpart): Likewise.
25197 * reload.c (find_reloads): Emit a USE for a pseudo register without
25198 a hard register if we could not create an optional reload for the
25201 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25203 * c-typeck.c (output_init_element, process_init_element):
25204 When advancing constructor_unfilled_fields for a RECORD_TYPE,
25205 check for nameless bit fields.
25207 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
25209 * regclass.c (scan_one_insn): Notice subregs that change the
25210 size of their operand.
25211 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
25213 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
25215 * configure.in (alpha*-*-*): Include alpha/t-ieee.
25216 * configure: Rebuilt.
25217 * alpha/t-ieee: New file.
25219 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
25221 * rs6000.c (find_addr_reg): Do not select r0 as an address
25224 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
25226 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
25228 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
25230 * rs6000.md (movsf): Do not force easy FP constants into memory.
25232 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
25233 immed_double_const to ensure they are properly truncated then
25236 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25238 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
25239 always unless NO_DEBUG is used. Compile this code
25241 (replace_symbols_in_block): Compile it unconditionally.
25243 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
25245 * configure.in (i?86-*-elf*): New target.
25246 * configure: Rebuilt.
25247 * i386/i386elf.h, i386/t-i386elf: New files.
25249 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
25251 * toplev.c (main): Don't complain about saying -gdwarf.
25252 (rest_of_compilation): Remove redundant code.
25254 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
25256 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
25258 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
25260 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
25261 "Li960R:", to avoid name clash.
25263 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25265 * loop.c (check_dbra_loop): When reversing a loop, delete all
25266 REG_EQUAL notes referencing the reversed biv except those which are
25267 for a giv based on it.
25269 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
25271 * version.c: Drop "gcc-" prefix from version #.
25273 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
25275 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
25276 the label if we're being verbose.
25278 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
25280 * m68k.c (output_function_prologue): Add pic register to mask
25281 if live and flag_pic.
25282 (output_function_epilogue): Likewise.
25284 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
25286 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
25287 directives in column zero.
25289 * pa/elf.h (ASM_FILE_START): Define.
25290 * pa/som.h (ASM_FILE_START): Include .level directives.
25291 * pa/hpux10.h (ASM_FILE_START): Delete.
25292 * pa/hpux11.h (ASM_FILE_START): Delete.
25294 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
25296 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25298 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
25299 when reload_out equals reload_in.
25301 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
25303 * invoke.texi (Spec Files): New node: Describe the contents of
25306 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
25308 * invoke.texi (DEC Alpha Options): Put @end table at
25309 beginning of line, to avoid confusing texi2html.
25311 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
25313 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
25314 introduced in previous delta.
25316 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25318 * reload1.c (gen_reload): When synthesizing a 3 operand add
25319 sequence, improve test for when to reload OP1 into the reload
25320 register instead of OP0.
25322 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
25324 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
25326 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
25328 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
25331 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
25333 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
25334 (va_dcl): Use __builtin_va_alist_t.
25336 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
25338 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
25339 on the permanent_obstack.
25340 * dwarfout.c (output_type): Likewise.
25342 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
25344 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25345 Merged from c-typeck.c and cp/typeck.c.
25346 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25347 Merged into c-common.
25349 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
25351 * c-lex.c (errorcount): Declare it.
25352 (finish_parse): Update errorcount when using CPPLIB.
25354 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
25356 * fixinc/inclhack.def(end_else_label): Double the backslash so
25357 sed gets a chance to see it.
25358 * fixinc/inclhack.sh: regen
25359 * fixinc/fixincl.x: regen
25361 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
25363 Add framework to support armv5 architecture when it becomes
25366 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
25367 (arm_arch5): New variable.
25368 (all_architectures): Add armv5 line.
25369 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
25370 -march=armv5 is specified on the command line.
25371 (arm_arch5): Export this variable.
25372 * invoke.texi: Document new string accepted by -march= switch for
25375 * config/arm/arm.h: Replace use of constant 12 as a register
25376 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25377 * config/arm/arm.c: Replace use of constant 12 as a register
25378 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25380 * config/arm/elf.h: Tidy up.
25381 * config/arm/coff.h: Tidy up.
25383 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
25385 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
25386 * gcc/config/mips/t-iris6gld: New file.
25387 * gcc/config/mips/iris6gld.h: Likewise.
25389 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
25391 * c-decl.c (widest_integer_literal_type_node,
25392 widest_unsigned_literal_type) : New.
25393 (init_decl_processing): Handle/use the two new types.
25394 * c-common.c (type_for_size,type_for_mode) : Same.
25395 * c-lex.c (yylex) : Same.
25396 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25398 * c-tree.h (widest_integer_literal_type_node,
25399 widest_unsigned_literal_type) : New.
25401 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
25403 * dwarfout.c (field_byte_offset): Correctly compute the object's
25404 byte offset for the first bit of a field which crosses an alignment
25405 boundary on a !BYTES_BIG_ENDIAN target.
25407 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
25409 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
25412 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
25413 Jeff Law <law@cygnus.com>
25415 * ginclude/varargs.h (va_dcl): Use word_mode for type of
25418 * except.c: Include intl.h.
25419 (expand_eh_return): Set current_function_cannot_inline.
25420 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
25421 * function.h (struct function): Add eh_return_stub_label.
25422 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
25423 * Makefile.in (except.o): Depend on intl.h.
25425 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
25427 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
25428 same as offsettable in cases 1 and 2.
25430 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
25432 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
25433 (extlh, extwh): Likewise.
25435 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
25437 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
25439 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
25441 * configure.in: Add arm-pe and thumb-pe targets.
25442 * configure: Regenerate.
25444 * thumb.c (arm_naked_function_p): New function: Determines if
25445 a function is naked (has no gcc generated prologue/epilogue).
25446 (is_called_in_ARM_mode): Return true if the func has the
25447 interfacearm attribute.
25448 (output_return): Do not generate a return for naked functions.
25449 (thumb_function_prologue): Do not generate a prologue for
25451 (thumb_expand_prologue): Do not generate a prologue for naked
25453 (thumb_expand_epilogue): Do not generate an epilogue for naked
25455 (arm_valid_machine_decl_attribute): New function, copied from
25456 arm.c: Permit naked and interfacearm attributes.
25458 * config/arm/pe.c: New file: Support code for arm-pe target.
25459 * config/arm/pe.h: New file: Header file for arm-pe target.
25460 * config/arm/tpe.h: New file: Header file for thumb-pe target.
25461 * config/arm/t-thumb-pe: New file: Makefile fragment for
25464 1999-07-01 Mark Kettenis <kettenis@gnu.org>
25466 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
25467 -fPIC or -fpic is specified.
25469 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
25471 * expr.c (emit_block_move): Use copy_to_mode_reg for
25472 !TARGET_MEM_FUNCTIONS case too.
25474 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
25476 * configure: Rebuilt.
25477 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
25478 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
25479 definitions made redundant by dbxelf.h inclusion. Delete
25480 lots of definitions related to assembly output that are
25481 specific to the SOM object format.
25482 * pa.c (output_function_prologue): Do not emit the function's
25484 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
25485 * pa-pro.h: Deleted.
25486 * som.h: New file with SOM specific definitions.
25487 * elf.h: New file with ELF specific definitions.
25489 * elfos.h (const_section): Output a tab before assembler directives.
25490 (ctors_section, dtors_section): Likewise.
25491 (ASM_OUTPUT_SECTION_NAME): Likewise.
25493 * pa/pa1.h: Delete unused file.
25495 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
25497 * configure.in (hppa*-hp-hpux11*): New configuration.
25498 * configure: Rebuilt.
25499 * pa/pa-hpux11.h: New file.
25500 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
25503 * mips.md (leasi, leadi): New patterns.
25505 * expr.c (emit_block_move): Properly handle case where one of the
25506 block move arguments has a queued increment or decrement.
25507 (clear_storage): Similarly. Fix formatting goof.
25509 1999-06-28 "David O'Brien" <obrien@NUXI.com>
25511 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
25512 semicolon from the BSD VA_LIST replacement expression.
25514 * fixinc/inclhack.sh: regen
25515 * fixinc/fixincl.x: regen
25517 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
25518 now use the fixincl program.
25520 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
25522 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
25523 case. Also make the PIC register call_used.
25525 * m68k.h (FINALIZE_PIC): Delete.
25526 * m68k.c (finalize_pic): Delete.
25528 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
25530 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
25533 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
25535 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
25537 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
25539 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
25541 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
25543 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
25545 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
25547 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
25549 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
25551 * rs6000.c (output_toc): Always use hex values for floating-point
25552 constants. Store single-precision values in upper-half of TOC
25553 entry in 64-bit mode.
25554 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
25555 to final constraints.
25556 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
25557 (fctiwz): Improve accuracy of RTL for pattern.
25559 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
25561 * expr.c (expand_expr): Allow RTL_EXPR's through the
25562 MAX_INTEGER_COMPUTATION_MODE checks.
25564 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
25566 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
25567 such that MASK_SUPPORT_ARCH is not negative.
25569 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
25571 * loop.c (verify_dominator): Properly handle ADDR_VEC and
25572 ADDR_DIFF_VEC insns that appear inside loops.
25574 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
25575 Jeff Law <law@cygnus.com>
25577 * rs6000.md (movdf_hardfloat32): Revert previous patch.
25578 Handle LO_SUM the same as offsettable in cases 1 and 2.
25579 * rs6000.c (find_addr_reg): Revert previous patch.
25581 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
25583 * system.h (strstr): New external function declaration.
25584 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
25585 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
25586 * config.in, configure: Rebuilt.
25588 1999-06-24 Tom Tromey <tromey@cygnus.com>
25590 * gcc.c (main): Read user-specified specs files after computing
25591 additional startfile_prefixes.
25593 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
25595 Revert these two patches:
25597 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25598 * loop.c (strength_reduce): When doing biv->giv conversion, update
25599 reg note of NEXT->insn.
25601 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25602 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25604 (recombine_givs): Set ix field after sorting.
25606 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25608 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
25609 for the parts of an UNSPEC / UNSPEC_VOLATILE.
25611 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
25613 *fixinc/inclhack.def: Add fix development commentary
25614 (read_ret_type): reactivate and add selection clause
25615 (zzz_*): tweak output file name to match what is used in hackshell.tpl
25616 *fixinc/{fixincl.x|inclhack.sh}: regen
25618 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
25620 * expr.c (expand_expr): STRIP_NOPS before checking against
25621 MAX_INTEGER_COMPUTATION_MODE
25622 (check_max_integer_computation_mode): Likewise.
25624 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
25626 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
25628 1999-06-22 Jim Wilson <wilson@cygnus.com>
25630 * expr.c (store_expr): When target is a promoted subreg, return a
25631 promoted subreg as a result.
25633 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
25635 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
25637 (dwarf2out_define): Mark unused parameters appropriately.
25638 (gen_unspecified_parameters_die): Ditto.
25639 (gen_subprogram_die): Fix signed/unsigned warnings.
25640 (gen_variable_die): Ditto.
25642 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
25644 * fixinc/inclhack.def(end_else_label): combined else_label
25645 and endif_label and fixed the sed expression.
25646 *fixinc/{fixincl.x|inclhack.sh}: regen
25648 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
25650 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
25651 'x' when handling non-offsettable addresses
25653 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
25655 * final.c (shorten_branches): Don't try to split an insn that has
25658 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
25660 * config/mips/mips.c (symbolic_expression_p): New function.
25661 (mips_select_rtx_section): Put symbolic expressions in the
25662 data section, not the read-only data section.
25664 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
25666 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
25668 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
25670 * collect2.c (main): Log frame table count.
25671 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
25672 (scan_prog_file) [COFF]: Handle frame tables.
25674 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
25675 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
25676 * alpha/elf.h: Undef them again.
25677 * alpha/vms.h: Remove their definitions.
25679 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25681 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
25682 remove the clobber of r0 and change the REG_UNUSED note to
25685 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
25687 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
25688 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
25689 fits in HOST_WIDE_INT and one uses union to access a long constant
25692 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
25694 * sparc.c (sparc_override_options): Don't allow profiling for
25695 code models other than medlow.
25696 (sparc_function_profiler): New function from old FUNCTION_PROFILER
25697 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
25698 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
25699 (sparc_block_profiler): Likewise.
25700 (sparc_function_block_profiler_exit): Likewise.
25701 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
25702 (FUNCTION_BLOCK_PROFILER): Likewise.
25703 (BLOCK_PROFILER): Likewise.
25704 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
25705 (MCOUNT_FUNCTION): New.
25706 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
25707 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
25708 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
25709 (MCOUNT_FUNCTION): New.
25710 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
25711 (BLOCK_PROFILER): Delete.
25712 (MCOUNT_FUNCTION): New.
25714 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
25716 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
25718 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25720 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25723 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25726 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25729 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25732 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
25734 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
25737 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
25739 * i386/djgpp.h (LIB_SPEC): New.
25740 (STARTFILE_SPEC): New.
25742 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
25744 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
25746 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
25749 * system.h (WSTOPSIG): New macro.
25751 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
25753 * c-pragma.c (push_alignment): Don't ignore alignments greater than
25755 (insert_pack_attributes): Take into account member natural
25758 * i386/winnt.c (exports_head): New static variable.
25759 (i386_pe_record_exported_symbol): New function.
25760 (i386_pe_asm_file_end): Use.
25761 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
25762 symbols to be emitted at end of assembly.
25763 (ASM_DECLARE_OBJECT_NAME): Likewise.
25764 (ASM_DECLARE_FUNCTION_NAME): Likewise.
25766 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
25769 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
25771 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
25774 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
25776 * haifa-sched.c (sched_analyze_1): Use free_list instead of
25777 zapping reg_last_uses directly.
25778 (sched_analyze_2, sched_analyze_insn): Likewise.
25779 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
25781 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
25783 * rs6000.md (movdf_hardfloat32): Use worst case insn length
25784 attributes for cases 1 and 2.
25786 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
25788 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
25791 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
25793 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
25795 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
25797 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
25798 PIC_OFFSET_TABLE_REGNUM for general alloaction.
25799 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
25800 must be stacked if it is used for PIC accesses.
25801 * arm.c (use_return_insn): Handle PIC register specially.
25802 (output_return_instruction): Likewise.
25803 (output_func_{prologue,epilogue}): Likewise.
25804 (output_expand_prologue): Likewise.
25806 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
25807 (*strsi_predec): Renamed from *strqi_predec.
25808 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
25809 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
25811 * arm.c (arm_override_options): Remove warning about PIC code
25812 not being supported.
25814 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
25816 * rs6000.c (find_addr_reg): New function.
25817 * rs6000.h (find_addr_reg): Declare.
25818 (offsettable_addr_operand): Delete.
25819 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
25820 from and stores to GPRs.
25822 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
25824 * alpha.c (alpha_expand_block_move): Use get_insns rather than
25825 gen_sequence as argument to emit_no_conflict_block.
25827 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25829 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
25830 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
25831 *fixinc/fixincl.x: regen
25832 *fixinc/inclhack.sh: regen
25834 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
25836 * added support for -mpcrel (PC relative addressing for m68k)
25837 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
25838 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
25839 * m68k.c (print_operand_address): Handle 32-bit PIC case.
25840 (comments for general_src_operand): Add some explanation
25841 about EXTRA_CONSTRAINTS.
25842 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
25843 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
25844 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
25845 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
25846 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
25847 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
25848 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
25849 if not already set.
25850 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
25851 * m68k.h (TARGET_PCREL): New target flag.
25852 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
25853 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
25854 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
25855 contains a SYMBOL_REF. Relax this constraint during reload, since
25856 we want to use the predicates, not reload's built-in concept of a
25857 valid memory address, to control what insns need reloading.
25858 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
25859 operands (essentially 'g', 'm', and 's' under normal circumstances).
25860 * m68k.c (print_operand): Cause printing of pc-relative addresses
25861 to include pc register.
25862 (print_operand_address): Ditto.
25863 (general_src_operand): Accept operands that are not only
25864 general_operands, but are also valid when used as a pc-relative
25866 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
25867 (memory_src_operand): Similar, for memory_operands.
25868 (pcrel_address): New predicate to accept the special case of a
25869 pc-relative address.
25870 * m68k.md (many patterns): Rewrite common SImode, HImode, and
25871 QImode insns to accept *_src_operand instead of *_operand where
25872 pc-relative operands can fit. For example, a pc-relative operand
25873 can be used as a memory source operand for addsi3, but not as a
25874 memory destination.
25875 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
25877 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
25879 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
25880 .thumb_set pseudo op to mark aliases of thumb functions.
25882 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
25884 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
25885 preference to ASM_OUTPUT_DEF, if it is defined.
25887 * tm.texi: Document new, optional target macro
25888 ASM_OUTPUT_DEF_FROM_DECLS.
25890 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25892 * fixincludes: ISCNTL patch
25893 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
25894 (dgux_int_varargs): new for DG/UX
25895 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
25897 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
25899 * invoke.texi (ia32 options): Fix typo.
25901 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25903 * loop.c (strength_reduce): When doing biv->giv conversion, update
25904 reg note of NEXT->insn.
25906 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
25908 * loop.c (move_movables): Note issues with replacing REGs with
25910 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
25912 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
25914 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
25916 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
25917 the reference to `mcount' was not correct for the ELF on FreeBSD.
25919 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25921 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25924 (recombine_givs): Set ix field after sorting.
25926 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
25928 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
25929 to safe to extract a subword out of a REG.
25931 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25933 * sh.md (mulsi3): Don't add a no-op move at the end.
25935 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25937 * cse.c (cse_insn): Don't put hard register source into tables for
25938 the last insn of a libcall.
25940 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25942 * loop.c (strength_reduce): Insert sets of derived givs at every
25943 biv increment, even if it's the only one.
25945 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
25947 * dwarfout.c (add_incomplete_type): New fn.
25948 (output_type): Call it.
25949 (retry_incomplete_types): New fn.
25950 (dwarfout_finish): Call it.
25952 From Eric Raskin <ehr@listworks.com>:
25953 (output_type): Output types for bases.
25955 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
25957 * mips.c (mips_output_conditional_branch): Add `break'
25958 between `default' label and `close braces'.
25960 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
25962 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
25963 specifications and make it realistic.
25964 (LIB_SPEC): Likewise.
25966 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
25968 * config/mips/mips.c (mips_secondary_reload_class): Check for
25969 (PLUS (SP) (REG)) and return appropriate register class.
25970 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
25971 Handle (PLUS (SP) (REG)).
25972 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
25973 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
25974 of emit_insn for tablejump.
25976 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
25978 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
25979 asm_fprintf format string by itself.
25980 (output_function_profiler): Likewise.
25982 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
25984 * combine.c (simplify_logical, case AND): Only call
25985 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
25986 or the constant is positive.
25988 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
25990 * configure.in: Fix typo in rs6000-ibm-aix4 case.
25991 * configure: Regenerate.
25993 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
25995 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
25996 require a sub-version #.
25997 * configure: Rebuilt.
25999 1999-06-14 Robert Lipe (robertlipe@usa.net)
26001 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
26003 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
26005 * c-typeck.c (process_init_element): Detect excess elements in
26006 char array initializer.
26008 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
26010 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
26012 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26014 * invoke.texi (Option Summary): Add -fpermissive flag.
26016 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
26018 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
26019 that require PIC code sequences.
26021 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
26023 * configure.in: Add new target: thumb-elf.
26024 * configure: Regenerate.
26025 * config/arm/t-thumb-elf: New file: Makefile fragment for
26027 * config/arm/telf.h: New file: Header file for thumb-elf
26030 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
26032 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
26033 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
26034 initializers is some circumstances.
26036 * fixinc/inclhack.def (endif_label): Add additional selector for
26037 more bogus stuff after #endif statements.
26038 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
26040 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
26042 * i386/cygwin.h (SET_ASM_OP): Define.
26044 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
26046 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
26048 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26050 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
26053 * sh.md (ic_invalidate_line_i): Remove second alternative.
26055 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26057 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
26058 test for the presence of valid prototypes. Delete bypass expr.
26059 (ioctl_fix_ctrl): Correct the selection expression.
26060 (no_double_slash): Correct quoting rules
26061 *fixinc/fixincl.x: regen
26062 *fixinc/inclhack.sh: regen
26064 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
26066 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
26068 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26070 * rs6000.md (movsi_got_internal_mem): Delete.
26071 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
26072 (GOT_TOC_REGNUM): Delete.
26073 (PIC_OFFSET_TABLE_REGNUM): Define.
26074 (FINALIZE_PIC): Disable.
26075 * rs6000.c (rs6000_got_register): New code for fixed pic register.
26076 (rs6000_replace_regno): Delete.
26077 (rs6000_finalize_pic): Likewise.
26078 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
26080 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26082 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
26083 is a note; use <= for the compare; advance P while it is
26086 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
26088 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
26089 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
26091 * varasm.c (remove_from_pending_weak_list): Verify t->name
26092 is non-NULL before passing it to strcmp.
26094 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26096 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
26097 the typed arguments are not part of a comment
26098 (ioctl_fix_ctrl): Added a purpose comment
26099 *fixinc/fixincl.x: regenerate
26100 *fixinc/inclhack.sh: regenerate
26102 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
26104 * invoke.texi: Add C4x invocation docs.
26106 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
26108 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
26110 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
26112 (c4x_legitimize_reload_address): New function.
26113 * config/c4x/c4x.md: Update docs.
26115 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
26117 * fixincludes: Avoid removing '.'.
26118 * fixinc/fixinc.svr4: Likewise.
26119 * fixinc/fixinc.winnt: Likewise.
26120 * fixinc/inclhack.tpl: Likewise.
26121 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
26123 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26125 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
26127 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
26129 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
26131 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
26134 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
26136 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
26137 * configure: Regenerate.
26139 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
26141 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
26144 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
26146 * fixinc/inclhack.def (avoid_bool): Also catch
26147 "typedef [unsigned] int bool".
26148 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
26150 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
26151 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
26152 * configure: Rebuilt.
26154 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
26156 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
26157 such that we can override its definitions if necessary.
26158 (CPP_SPEC): New define. Support processor specific predefines via
26160 (CC1_SPEC): New define. Support processor specific compiler
26161 options via %(cc1_cpu).
26162 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
26165 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26167 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
26168 between sed's -e flag, and the open-quote following it.
26169 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
26171 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
26172 Jeffrey A Law (law@cygnus.com)
26174 * varasm.c (assemble_start_function): Remove the function
26175 from the pending weak decls list when we define a function.
26176 (assemble_variable): Similarly for variables.
26177 (weak_finish): Ignore items on the list with a NULL name.
26178 (remove_from_ending_weak_list); New function to "remove" an item
26179 from the pending weak declarations list.
26181 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26183 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
26185 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
26187 * c-lex.c (GETC): Redefine to call getch.
26188 (UNGETC): Redefine to call put_back.
26189 (putback_buffer): New structure type.
26190 (putback): New static structure.
26191 (getch): New function.
26192 (put_back): New function.
26193 (yylex): Replace unused bytes from bad multibyte character.
26195 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
26197 * cpplib.c (do_define): Cast `alloca' return value.
26198 (do_include, do_undef, do_pragma): Likewise.
26199 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
26201 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
26202 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
26204 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
26206 * sparc.md (abstf2): This should be an expand.
26207 (split after abstf2_notv9): Fix mode.
26208 (abstf2_hq_v9): New pattern.
26209 (abstf2_v9): Only use when no hard quad.
26210 (absdf2_v9): Fix if target is not the same as source.
26211 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
26212 Add correct output constraints.
26214 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
26216 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
26217 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
26219 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
26221 * mips.h (mips_output_conditional_branch): New function.
26222 (mips_adjust_insn_length): Likewise.
26223 (ASSEMBLER_SCRATCH_REGNUM): New macro.
26224 (ADJUST_INSN_LENGTH): Likewise.
26225 * mips.c (print_operand): Add `F' and `W' for floating-point
26226 comparison opcodes.
26227 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
26229 (mips_adjust_insn_length): New function.
26230 (mips_output_conditional_branch): New function.
26231 * mips.md (length): Adjust attribute definition to handle
26232 conditional branches. Change lengths to bytes, rather than
26233 instructions throughout. Remove length attribute from
26234 instructions whose length is four bytes, and rely on the default
26236 (dslot): Fix typo in comment.
26237 Reword conditional branch patterns to use
26238 mips_output_conditional_branch.
26240 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
26242 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
26243 (LIB_SPEC): Likewise.
26244 Link with -lprof1_r for -g/-pg.
26246 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26248 * loop.c (check_dbra_loop): Fix change of Jan 19.
26250 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
26252 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
26253 (STARTFILE_SPEC): Define, override the svr4.h version.
26254 (ENDFILE_SPEC): Likewise.
26256 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
26258 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
26259 * fixinc/fixincl.x: Regenerated.
26260 * fixinc/inclhack.sh: Regenerated.
26262 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26264 * sh.c (barrier_align): Don't return early for normal branch/barrier
26265 when optimizing for SH2.
26267 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
26269 * i386/udk.h (LINK_SPEC): Correct linker search path for
26272 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26274 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
26275 (braf_label_ref_operand): Delete.
26276 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
26277 * sh.md (casesi_jump_2): Operand1 is now the inside of a
26278 label_ref, and has no predicate.
26279 The patten has a predicate to guard against invalid substitutions.
26280 (dummy_jump): Delete.
26281 (casesi): Update use of casesi_jump_2.
26283 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26285 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
26286 *fixinc/fixincl.x: regenerate
26287 *fixinc/inclhack.sh: regenerate
26289 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
26291 * dwarf2out.c (add_incomplete_type): New fn.
26292 (gen_struct_or_union_type_die): Call it.
26293 (retry_incomplete_types): New fn.
26294 (dwarf2out_finish): Call it.
26296 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
26298 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
26299 current block starts with a CODE_LABEL and ends with a CALL and
26300 we can not find all the argument setup instructions for the CALL.
26302 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
26304 Revert this change:
26305 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26306 something is a candidate for optimize_bit_field_compare.
26308 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26310 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
26312 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
26314 * alpha.c (override_options): Thinko in last patch.
26316 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
26317 (LIB_SPEC): Recognize -pthread.
26319 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
26321 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
26322 definition in config/arm/coff.h
26323 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
26325 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26327 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
26328 fixes that need "file=xxx\n" prepended before invocation
26329 (start_fixer - new): starting the fixer process is complex enough
26330 to warrent its own routine. It prepends the "file=xxx\n" stuff.
26331 (process): uses the new routine; omit usage of putenv()
26332 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
26333 * fixinc/fixincl.x: regenerate
26335 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
26337 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
26338 and version #s (1.1 -> 2.96) as needed.
26339 * README.g77: Kill way out of date file in the toplevel directory.
26341 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
26343 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
26344 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
26345 * configure: Rebuilt.
26346 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
26347 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
26348 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
26349 (SWITCH_TAKES_ARG): Likewise.
26350 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
26351 * config/t-freebsd: Moved from config/i386/ so it can used for all
26354 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
26356 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
26358 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
26360 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
26361 * configure: Rebuilt.
26363 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
26365 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
26366 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
26367 * rs6000/rs6000.c (rs6000_file_start): Use putc.
26368 (rs6000_output_load_toc_table): Same.
26369 (output_prolog, output_mi_thunk): Same.
26370 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
26371 (ASM_GLOBALIZE_LABEL): Use putc.
26373 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
26375 * alpha.md (reload_*_help): New patterns and splitters.
26376 (reload_*): Use them.
26377 (mov[qh]i): Likewise.
26379 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
26381 * cccp.c (handle_directive): Handle backslash-newlines in quoted
26384 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
26386 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
26388 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
26390 * flow.c (mark_regs_live_at_end, insn_dead_p,
26391 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
26392 and HARD_FRAME_POINTER_REGNUM special treatment if reload
26393 hasn't run or the frame pointer is needed.
26394 * haifa-sched.c (attach_deaths): Likewise.
26395 * sched.c (attach_deaths): Likewise.
26397 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
26399 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
26400 calculate_can_reach_end returns nonzero.
26402 * configure.in (native gas tests): Search for an assembler in the
26403 same manner that the installed compiler will.
26404 * configure: Rebuilt.
26405 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
26407 * alias.c (find_base_term): Improve handling of addresses
26408 constructed from binary operations.
26410 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
26412 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
26414 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
26416 * function.h (cleanup_label, frame_offset): Declare.
26417 (tail_recursion_label, tail_recursion_reentry): Likewise.
26418 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26419 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
26420 (tail_recursion_label, tail_recursion_reentry): Likewise.
26421 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26423 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
26425 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
26427 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
26428 (MAX_OFILE_ALIGNMENT): Define.
26430 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
26432 * fixincl.c: Replace local include scheme with #includes of
26433 gansidecl.h and system.h.
26434 * procopen.c: Likewise.
26435 * server.c: Likewise.
26437 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
26439 * i386/t-dgux (EXTRA_PARTS): Add crti.o
26440 (crti.o): Add build rule and dependencies.
26441 * fixinc/fixinc.dgux: Use modified _int_varargs.h
26443 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26445 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
26446 (LIB_LINUX_SPEC): Likewise.
26447 (LIB_LINUX_SPEC): Add support for -pthread
26448 (CPP_OS_LINUX_SPEC): Likewise.
26449 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
26452 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
26454 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
26456 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
26457 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
26458 for IEEE math and CC_FCOMI.
26459 (put_jump_code): No IEEE if CC_FCOMI is set.
26461 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26463 * fold-const.c (fold_truthop): Make the field reference unsigned
26464 when converting a single bit compare.
26466 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26468 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
26470 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
26472 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
26473 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
26476 * reload.c (push_reload): Do not call remove_address_replacements
26477 when presented with identical optional reloads.
26479 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
26481 * alpha.h (MASK_FIX, TARGET_FIX): New.
26482 (MASK_*): Reorganize constants.
26483 (CPP_AM_FIX_SPEC): New.
26484 (TARGET_SWITCHES): Add FIX.
26485 (EXTRA_SPECS): Likewise.
26486 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
26487 (SECONDARY_MEMORY_NEEDED): Likewise.
26488 (REGISTER_MOVE_COST): Likewise.
26489 * alpha.c (override_options): Add FIX support. Always use
26490 ALPHA_TP_PROG for ev6.
26491 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
26492 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
26493 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
26495 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
26497 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26498 something is a candidate for optimize_bit_field_compare.
26500 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
26502 * gcc.texi (Passes): Document branch-shortening.
26503 * invoke.texi (Debugging Options): Document the fact that `-dp'
26504 outputs length information for instructions.
26506 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
26508 * flow.c: Revert previous delta.
26510 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
26512 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
26513 FRAME_POINTER_REGNUM.
26514 (mark_set_1): Ditto.
26515 (mark_used_regs): Ditto.
26517 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
26519 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
26520 (GOT_PCREL): New macro. Define to 1 if not already defined.
26521 * arm/elf.h (GOT_PCREL): Define to 0.
26522 * arm.c (arm_finalize_pic): Take into account the setting of
26525 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
26527 * output.h (STRIP_NAME_ENCODING): Provide default definition.
26528 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
26530 * flow.c (mark_set_1): Do not record BLKmode stores as dead
26531 store elimination candidates.
26533 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
26535 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
26538 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
26540 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
26541 Add use of x-aix41-gld.
26543 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
26545 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
26546 (ASM_OUTPUT_DESTRUCTOR): Define.
26548 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
26550 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
26551 last CODE_LABEL in a loop if we have previously passed a jump
26552 to the top of the loop.
26554 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
26556 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
26557 applying Philip's patch.
26559 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
26561 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
26564 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
26566 * loop.c (strength_reduce): Grow reg_single_usage as needed.
26568 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
26570 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
26571 Also remove a useless comment.
26573 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26575 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
26577 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
26579 * collect2.c (main): Only generate import or export file and add
26580 to link arguments if non-empty. Use xmalloc not alloca.
26581 (write_{export,import}_file): Delete.
26582 (write_aix_file): New function.
26583 (locatelib): Use xmalloc not malloc.
26584 (GCC_OK_SYMBOL): Do not check type if aix64.
26586 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
26588 Based on patch by Scott Bambrough and Pat Beirne:
26589 * config/arm/arm.c (making_const_table): New variable.
26590 * config/arm/arm.h (making_const_table): Declare.
26591 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
26593 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
26594 Keep track of when we are building the constant table.
26596 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
26598 * config/arm/arm.c (arm_override_options): Fix erroneous warning
26601 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
26603 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
26606 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
26608 * tm.texi (FUNCTION_ARG): Correct description of a stack element
26611 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
26613 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
26615 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26617 * rs6000.c (output_mi_thunk): Enable full support again.
26619 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26621 * sh.h (BRANCH_COST): Define.
26623 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
26625 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
26627 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
26629 * function.c (assign_stack_local): Align stack slot propertly.
26630 (assign_outer_stack_local): Likewise.
26632 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
26634 * expr.h (lang_expand_constant): Declare.
26635 * toplev.c (lang_expand_constant): Define it.
26636 * varasm.c (output_constant): Use it.
26638 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26640 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
26641 Change function definitions to K&R style.
26643 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26645 * fixinc/fixincl.c: We must not ignore SIGCLD now.
26647 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
26649 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
26650 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
26651 (several places): omit static initialization
26652 (process): use single fd, since only the read fd is used
26653 * fixinc/gnu-regex.c: define 'const' away, if not supported
26654 * fixinc/procopen.c(several places): omit static initialization
26655 * fixinc/server.c: define 'volitile' away, if not supported
26657 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26659 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
26660 asm_fprintf and %L to generate the label name.
26661 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
26662 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
26664 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
26666 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
26667 insn for a conditional jump can not be found.
26669 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
26671 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
26672 on variables in specific sections other than .sbss and .sdata.
26674 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
26676 * stmt.c (expand_return): Call start_cleanup_deferral and
26677 end_cleanup_deferral around conditional code.
26679 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26681 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
26682 filename lists. Utilizes new "krstr" AutoGen function.
26683 * fixinc/fixincl.x: Rebuilt.
26685 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
26687 * i386.c (output_float_compare): Avoid GNU-C extensions.
26689 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
26691 * version.c: Bump to distinguish mainline tree from the
26694 See ChangeLog.1 for earlier changes.