1 2000-05-03 Greg McGary <gkm@gnu.org>
3 * tree.h (tree_common): Add bounded_flag member. Remove
4 inaccurate comment about number of remaining bits.
5 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
6 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
7 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
8 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
9 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
10 (TYPE_QUAL_BOUNDED): New constant.
11 (TYPE_QUALS): Handle bounded qualifier.
12 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
13 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
14 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
15 TYPE_AMBIENT_BOUNDEDNESS): New macros.
16 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
17 (tree_type): Add pointer_depth member. Remove
18 inaccurate comment about number of remaining bits.
19 (DECL_POINTER_DEPTH): Add macro.
20 (tree_decl): Add pointer_depth member.
22 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
24 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
25 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
26 (lshrhi3_out): Likewise.
27 (ashrsi3_out): bugfix in shift by 8.
28 (test_hard_reg_class): New function.
29 * config/avr/avr.md: Bugfix inside conditions in peepholes.
30 (ashlhi3): removed define_expand of this pattern.
31 (*ashlhi3_insn): renamed to ashlhi3.
32 (ashlsi3): removed define_expand of this pattern.
33 (*ashlsi3_insn): renamed to ashlsi3.
34 (ashrqi3): removed define_expand of this pattern.
35 (*ashrqi3_insn): renamed to ashrqi3.
36 (ashrhi3): removed define_expand of this pattern.
37 (*ashrhi3_insn): renamed to ashrhi3.
38 (ashrsi3): removed define_expand of this pattern.
39 (*ashrsi3_insn): renamed to ashrsi3.
40 (lshrhi3): removed define_expand of this pattern.
41 (*lshrhi3_insn): renamed to lshrhi3.
42 (lshrsi3): removed define_expand of this pattern.
43 (*lshrsi3_insn): renamed to lshrsi3.
45 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
47 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
48 inclusion of "system.h".
50 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
52 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
55 2000-05-03 David Mosberger <davidm@hpl.hp.com>
57 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
59 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
60 -mconstant-gp is in effect and function-descriptors are being used
61 to make indirect calls.
62 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
63 (MASK_AUTO_PIC): Ditto.
64 (TARGET_CONST_GP): Ditto.
65 (TARGET_AUTO_PIC): Ditto.
66 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
67 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
68 -mno-pic is in effect.
69 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
70 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
71 -mauto-pic is in effect.
72 (gprel64_offset): New pattern.
73 (load_gprel64): Ditto.
74 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
75 -mconstant-gp is in effect, no need to preserve gp around direct
78 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
79 (FUNCTION_PROFILER): Define.
80 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
81 @fptr() directive when -mno-pic or -mauto-pic is in effect.
82 (ASM_OUTPUT_DESTRUCTOR): Ditto.
84 2000-05-03 Richard Henderson <rth@cygnus.com>
86 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
87 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
88 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
89 (mklibgcc, libgcc.mk): New targets.
90 (libgcc.a): Use libgcc.mk.
91 (stmp-multilib): Likewise.
92 (stmp-multilib-sub): Remove.
93 (mostlyclean): Don't delete libgcc2 temp files.
94 * configure.in (AC_PROG_CC_C_O): Add.
95 (NO_MINUS_C_MINUS_O): Substitute it.
96 (all_outputs): Add mklibgcc.
97 * mklibgcc.in: New file.
99 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
101 * cppexp.c (op_t): Make an int.
103 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
105 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
107 * gensupport.c (process_rtx): Fix macros used.
109 2000-05-03 Richard Henderson <rth@cygnus.com>
111 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
112 call-clobbered registers of a call.
114 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
116 * gensupport.c: New file.
117 * gensupport.h: New file.
118 * Makefile.in (HOST_RTL): Depend on gensupport.
119 (gensupport.o) New rule.
120 * genattr.c: Use gensupport for reading .md files.
121 * genattrtab.c: Ditto.
123 * genconfig.c: Ditto.
125 * genextract.c: Ditto.
127 * genopinit.c: Ditto.
128 * genoutput.c: Ditto.
131 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
132 * md.texi (Insn Splitting): Document define_insn_and_split.
134 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
136 * flow.c (verify_flow_info): Added two more sanity checks. The
137 first checks that the blocks are numbered consecutively. The second
138 checks that n_basic_blocks is actually equal to the number of
139 basic blocks in the insn chain.
141 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
143 * cpplib.h: Add accessor macros for token lists.
144 * cpplib.c, cpphash.c, cpplex.c: Use them.
146 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
148 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
149 memory usage if not in a function.
150 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
151 return address if static.
153 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
155 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
156 whether address may trap.
158 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
160 * bb-reorder (chain_reorder_blocks): Changed code to test for
161 EDGE_FALLTHRU rather than making erroneous assumption that the
162 first outgoing edge is the fall-through edge.
164 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
166 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
167 ABI for varargs, across all MIPS. This is incompatible because the
168 va_list (__builtin_va_list) structure is different, so a compilation
169 unit passing a va_list and a compilation unit being passed one, should
170 both be compiled with the same ABI. (The old structure had two
171 pointers, now it has three.)
173 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
175 * bb-reorder.c (struct reorder_block_def): Remove members end,
176 block_begin, and block_end.
177 (REORDER_BLOCK_OLD_END): Delete.
178 (REORDER_BLOCK_BEGIN): Delete.
179 (REORDER_BLOCK_END): Delete.
180 (chain_reorder_blocks): Remove dead code.
182 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
184 * bb-reorder.c (remove_scope_notes): Check for both types of scope
185 notes as the end of a basic block before deleting.
187 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
189 * final.c (final_start_function): Fix spelling of "necessary".
191 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
193 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
194 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
195 (GCC_CFLAGS): Use it.
196 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
197 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
198 objc/Make-lang.in: Use it.
200 * toplev.c (debug_ignore_block): Return int.
201 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
202 * toplev.h, dwarf2out.h: Adjust.
203 * emit-rtl.c (remove_unnecessary_notes): Test return value.
205 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
206 * toplev.c, final.c, rtl.h: Adjust.
208 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
210 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
211 * configure.in: Look for makeinfo in the unified tree, then
212 for a system makeinfo which is sufficiently new.
213 * Makefile.in: If configure says makeinfo is too old, don't
214 build or install Info documentation.
216 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
218 * cpphash.c (collect_params): Fix off-by-one error.
219 (dump_hash_helper): Dump all four macro nodetypes.
221 2000-05-02 Jakub Jelinek <jakub@redhat.com>
223 * cpphash.c (trad_stringify): Adjust p after stringification as
226 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
228 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
229 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
231 * cppfiles.c (file_cleanup): Delete.
232 * cpphash.c (macro_cleanup): Delete.
233 (collect_objlike_expansion, collect_funlike_expansion,
234 macarg, scan_arguments): Remove CPP_POP case.
236 * cpplex.c (null_cleanup): Delete.
237 (cpp_pop_buffer): Do the work that was done in the cleanups
238 here. Call _cpp_unwind_if_stack from here.
239 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
240 cpp_scan_buffer): Run until we see CPP_EOF and the top of
241 stack is the buffer _below_ the one we stacked.
242 (cpp_get_token): Always pop an exhausted buffer. Return
243 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
244 * cpplib.c (skip_if_group): Don't call cpp_get_token to
245 increment the line number.
246 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
248 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
249 we see CPP_EOF and the top of stack is the buffer _below_ the
251 * scan-decls.c: Likewise.
253 2000-05-02 Andrew Haley <aph@cygnus.com>
255 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
256 where this function is called for the second time on a decl that
257 has had its section info changed in such a way as to move it out
259 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
261 2000-05-01 Richard Henderson <rth@cygnus.com>
263 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
264 the sequence we're moving, not to merge_bb->head.
266 2000-05-01 Richard Henderson <rth@cygnus.com>
268 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
269 reference to alpha/t-linux.
270 (alpha*-*-linux-gnu*): Likewise.
271 * configure: Rebuild.
273 * calls.c (expand_call): Don't emit reg notes for a sibcall.
275 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
278 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
280 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
282 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
285 2000-05-01 Richard Henderson <rth@cygnus.com>
287 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
288 emit_conditional_move.
290 2000-05-01 Jakub Jelinek <jakub@redhat.com>
292 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
293 as the dynamic linker.
295 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
297 * cppfiles.c (open_include_file): Open file in blocking mode.
298 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
299 Only exclude block devices and directories.
301 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
302 static. Allocate the hashnode and its string in the same
304 (del_HASHNODE): Don't free h->name.
305 (_cpp_lookup): If there is no entry for this string, create
307 (_cpp_lookup_slot): Delete.
308 * cpphash.h: Update prototypes.
310 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
312 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
313 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
314 node here, just fill in the value field properly. "Delete"
315 entries by setting the value field to T_VOID. Check for
316 hp->type == T_VOID, not hp == NULL.
318 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
319 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
322 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
324 * config/mn10300/mn10300.c (print_operand_address): Do not add
327 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
328 adjusted by less than 256 bytes, use ret regardless of having any
329 callee-saved register to restore.
331 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
333 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
335 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
337 * config/i386/djgpp.h (INT_ASM_OP): Define.
338 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
339 (ASM_WEAKEN_LABEL): Define.
340 (MASK_BNU210): Define.
341 (SUBTARGET_SWITCHES): Define.
342 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
343 (MAKE_DECL_ONE_ONLY): Define.
344 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
346 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
348 * i386/cygwin.h (INT_ASM_OP): Define.
350 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
352 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
353 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
355 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
357 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
358 __tmp_reg__ and __zero_reg__ initialization.
360 2000-04-30 Richard Henderson <rth@cygnus.com>
362 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
364 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
365 referenced bewteen the condition and the jump. Don't delete
366 anything but the jump.
368 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
370 * bb-reorder.c (scope_def): New struct.
371 (scope_forest_info): New struct.
372 (struct reorder_block_def): New member "scope".
373 (REORDER_BLOCK_SCOPE): New macro.
374 (relate_bbs_with_scopes): New function and prototype.
375 (make_new_scope): Likewise.
376 (build_scope_forest): Likewise.
377 (remove_scope_notes): Likewise.
378 (insert_intra_1): Likewise.
379 (insert_intra_bb_scope_notes): Likewise.
380 (insert_inter_bb_scope_notes): Likewise.
381 (rebuild_scope_notes): Likewise.
382 (free_scope_forest_1): Likewise.
383 (free_scope_forest): Likewise.
384 (dump_scope_forest): Likewise.
385 (dump_scope_forest_1): Likewise.
386 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
387 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
389 (reorder_basic_blocks): Added calls to build_scope_scope_forest
390 and remove_scope_notes before reordering is done. Added calls to
391 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
392 after reordering is done.
394 2000-40-30 Bruce Korb <bkorb@gnu.org>
396 * fixinc/inclhack.def: Added definitions needed by OSR5,
397 removed two stale entries (defined away with OLD_CPP).
398 * fixinc/inclhack.sh: regen
399 * fixinc/fixincl.x: regen
401 2000-04-30 Richard Henderson <rth@cygnus.com>
403 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
404 from the last insn in the sequence.
406 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
408 * cpplex.c (cpp_idcmp): New function.
409 * cpplib.h: Prototype it.
410 * scan_decls.c (scan_decls): Use it to inspect token names.
411 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
412 the file being run through the preprocessor.
413 (check_macro_names): Provide length of token to cpp_defined.
415 * Makefile.in: Remove stale warning message.
417 * cppfiles.c (redundant_include_p): Provide length of token to
419 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
420 values are unsigned int.
421 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
422 (_cpp_lookup_slot): Do not calculate the hash, either.
423 * cpphash.h: Update prototypes.
424 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
425 Hashes are unsigned int. Calculate hash here, pass by value
428 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
430 * simplify-rtx.c (check_value_useless): Delete function.
431 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
433 (cselib_invalidate_regno): Likewise.
434 (cselib_invalidate_mem_1): Likewise.
435 (references_value_p): Recognize useless values by the fact that they
437 (discard_useless_values): Likewise.
438 (cselib_record_set): This may turn a useless value
441 2000-04-30 Richard Henderson <rth@cygnus.com>
443 * config/d30v: New port.
445 * configure.in (d30v-*): Set fp format.
446 * configure: Rebuild.
448 2000-04-30 Richard Henderson <rth@cygnus.com>
451 * Makefile.in (OBJS): Add it.
452 (ifcvt.o): New target.
453 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
454 and conditional arithmetic.
455 (find_insert_position): Remove.
456 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
457 * toplev.c (DFI_ce, DFI_ce2): New.
458 (dump_file): Add ce and ce2 dumps.
459 (rest_of_compilation): Run if_convert a couple o times. Set
460 cse_not_expected after cse2. Don't set no_new_pseudos until
461 after sched1 or recompute_reg_usage.
463 2000-04-30 Richard Henderson <rth@cygnus.com>
465 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
466 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
468 2000-04-30 Richard Henderson <rth@cygnus.com>
470 * flow.c (struct reg_cond_life_info): New.
471 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
472 (init_propagate_block_info): Initialize them.
473 (free_propagate_block_info): Destruct them.
474 (mark_set_1): Consider conditional life before killing a register.
475 (mark_regno_cond_dead): New.
476 (free_reg_cond_life_info): New.
477 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
478 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
479 (mark_used_reg): Record conditional life.
481 * haifa-sched.c (schedule_insns): Disable death counting
482 sanity check for HAVE_conditional_execution.
484 2000-04-30 Richard Henderson <rth@cygnus.com>
486 * Makefile.in (TIMEVAR_H): New.
487 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
488 (timevar.h): Remove rule.
490 2000-04-29 Richard Henderson <rth@cygnus.com>
492 * config/alpha/crtend.asm: Use C comments instead of #.
493 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
495 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
497 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
499 * cpphash.h (enum node_type: Take out T_MCONST.
500 (union hashval): Move into struct hashnode.
501 (struct hashnode): Pack tighter. Remove file, line, col
503 * cpphash.c: Constify most of the macro-definition structures.
504 (struct definition): Replace by struct object_defn
505 and struct funct_defn. Put file, line, column information
506 here. All users updated to match.
507 (_cpp_create_definition, _cpp_macroexpand): Remove special
508 case for #define WORD OTHERWORD.
509 * cpplib.c (do_undef): Remove T_MCONST case.
511 * cpphash.h: Move struct reflist, struct definition, and the
512 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
513 union hashval. _cpp_free_definition takes a HASHNODE pointer.
514 * cpphash.c (_cpp_free_definition): Free data pointed to by
515 MCONST, XCONST, MACRO, and FMACRO nodes properly.
516 (_cpp_create_definition, del_HASHNODE): Just call
517 _cpp_free_definition to clear out a hashnode.
518 * cpplib.c (do_pragma_poison): Likewise.
520 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
522 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
523 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
524 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
525 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
526 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
527 REGNO_AM33_P): Redefine in terms of the new macros.
528 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
529 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
530 STRUCT_VALUE): Likewise.
531 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
532 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
534 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
536 * regmove.c (struct record_stack_memrefs_data): New.
537 (record_stack_memrefs): New function.
538 (combine_stack_adjustments_for_block): Use it.
540 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
542 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
543 use special_function_p to detect alloca.
545 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
547 * gcc.texi: Fixes for makeinfo 4.0 --html.
549 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
551 * pcp.h: Delete file.
553 2000-04-28 Kazu Hirata <kazu@hxi.com>
555 * h8300.c (function_epilogue): Clean up flags when the last insn
556 in a function is a barrier.
558 2000-04-28 Chris Demetriou <cgd@sibyte.com>
560 * configure.in (sparc-hal-solaris2*): protect [] glob from
562 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
563 rather than hard-coded constants in target_cpu_default2.
564 * configure: Regenerate.
566 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
568 * tree.c (get_callee_fndecl): Extract the initial value from
571 2000-04-28 Richard Henderson <rth@cygnus.com>
573 * varasm.c (record_constant_1): Record the CODE_LABEL when
574 taking the address of a LABEL_REF.
576 2000-04-28 Richard Henderson <rth@cygnus.com>
577 Jan Hubicka <jh@suse.cz>
579 * calls.c (combine_pending_stack_adjustment_and_call): Return the
580 adjustment; don't do the stack adjust.
581 (expand_call): Call compute_argument_block_size right before
582 allocating the block; update comment; don't do alignment sanity
583 checking for sibling call; use args_size instead of
584 unadjusted_args_size before args_size is adjusted. Use
585 combine_pending_stack_adjustment_and_call to compute stack adjust
586 for must_preallocate case.
588 * expr.c (push_block): Remove shadow `temp' in inner scope.
590 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
592 * toplev.c (rest_of_compilation): Call
593 note_deferral_of_defined_inline_function even if the function
596 2000-04-28 Scott Bambrough <scottb@netwinder.org>
598 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
600 2000-04-28 Richard Henderson <rth@cygnus.com>
602 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
604 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
606 * timevar.c (init_timevar): DeANSIfy function definition.
608 2000-04-27 Alex Samuel <samuel@codesourcery.com>
610 * Makefile.in (timevar.o): Depend on flags.h.
611 * timevar.c (unused_stack_instances): New variable.
612 (timevar_push): Take a timevar_stack_def from
613 unused_stack_instances if available.
614 (timevar_pop): Push the popped timevar_stack_def onto
615 unused_stack_instances.
616 (TIMEVAR_ENABLE): New macro.
617 (timevar_def): Make standalone a 1-bit field. Add field used.
618 (get_time): Rename parameter to now. Return after clearing it if
620 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
621 (timevar_pop): Likewise.
622 (timevar_stop): Likewise.
623 (timevar_push): Likewise. Mark the timing variable as used.
624 (timevar_start): Likewise.
625 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
626 timevars that were never used.
628 2000-04-27 Mark Mitchell <mark@codesourcery.com>
630 * c-commom.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
631 always TREE_READONLY.
633 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
635 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
636 for call instruction with mode QImode.
638 2000-04-27 Alex Samuel <samuel@codesourcery.com>
640 * Makefile.in (OBJS): Add timevar.o.
641 (toplev.o): Depend on timevar.h.
642 (ggc-simple.o): Likewise.
643 (ggc-page.o): Likewise.
644 (timevar.o): New rule.
645 (timevar.h): New rule.
647 * timevar.h: New file.
648 * timevar.c: Likewise.
649 * timevar.def: Likewise.
651 * toplev.h (gc_time, parse_time, varconst_time): Remove.
652 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
654 (TIMEVAR): Remove macro.
655 (gc_time, parse_time, varconst_time, integration_time, jump_time,
656 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
657 flow_time, combine_time, regmove_time, sched_time,
658 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
659 sched2_time, dbr_sched_time, reorder_blocks_time,
660 rename_registers_time, shorten_branch_time, stack_reg_time,
661 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
663 (compile_file): Don't initialize time variables. Call
664 init_timevar and start TV_TOTAL timer. Call timevar_print instead
665 of many calls to print_time.
666 (rest_of_compilation): Add timing for reload_cse_regs.
667 (get_run_time): Removed to timevar.c.
668 (print_time): Likewise.
669 (get_run_time): Implement using TV_TOTAL time variable.
670 (print_time): Get total run time from get_run_time.
671 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
672 computing elapsed time explicitly.
673 * ggc-simple.c (ggc_collect): Likewise.
674 (gc_time): Remove declaration.
676 2000-04-27 Mark Mitchell <mark@codesourcery.com>
678 * calls.c (combine_pending_stack_adjustment_and_call): New function.
679 (expand_call): Use it.
681 2000-04-27 Jan Hubicka <jh@suse.cz>
683 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
686 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
688 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
691 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
693 * function.c (epilogue_done): Pass whole insn to record_insns.
695 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
697 * cse.c (CSE_ADDRESS_COST): Remove.
698 (find_best_addr): Add new parameter "MODE", use address_cost instead
701 (fold_rtx): Update call of find_best_addr.
702 * rtl.h (address_cost): Declare.
703 * loop.c (general_induction_var): Add new parameter "MODE", use
704 address_cost instead of ADDRESS_COST
705 (init_loop): Use address_cost instead of ADDRESS_COST.
706 (check_insn_for_givs): Update call of general_induction_var.
707 (find_mem_givs): Likewise.
708 (consec_sets_giv): Likewise.
709 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
710 * i386.c (ix86_address_cost): New.
711 * i386-protos.h (ix86_address_cost): Declare.
713 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
715 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
718 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
720 * expr.c (store_expr): Use clear_storage instead of direct memset
723 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
725 * config/mn10300/mn10300.c (mn10300_address_cost): Test
726 ASHIFT, AND and LABEL_REF.
728 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
730 * invoke.texi (-foptimize-sibling-calls): Fix.
732 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
734 * loop.c (load_mems) Don't use hard registers for the hoisting.
736 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
737 calculation; rename const_equiv array in the preconditioning code
738 from loop_unroll to loop_unroll_precondition
740 2000-04-27 Richard Henderson <rth@cygnus.com>
742 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
744 (propagate_one_insn): Clear it. Don't update reg_live here.
745 (init_propagate_block_info): Update for pbi member changes.
746 (free_propagate_block_info): Likewise.
747 (mark_set_1): Know that zero_extract, sign_extract, and
748 strict_low_part don't kill their argument. Alter hard subregs.
749 Update new_set for non-CLOBBER sets. Update reg_live.
750 (find_auto_inc): Update reg_live, not new_dead.
751 (mark_used_reg): Update reg_live, not new_live. Examine new_set
752 to determine if the reg in question was set this insn. Only update
753 reg info with PROP_REG_INFO.
755 2000-04-26 Richard Henderson <rth@cygnus.com>
757 * flow.c (allocate_reg_life_data): Set max_regno here ...
758 (life_analysis): ... not here.
760 * flow.c (calculate_global_regs_live): Force stack pointer
763 2000-04-26 Richard Henderson <rth@cygnus.com>
765 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
766 commit change group changes.
767 (invert_exp_1): Similarly.
768 (redirect_exp, invert_exp): Use them.
769 (redirect_jump_1): New.
770 (invert_jump_1): New.
771 (jump_optimize_1): Remove code subsumed by condexec.c.
772 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
774 2000-04-26 Richard Henderson <rth@cygnus.com>
776 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
778 * genconfig.c (main): Set all HAVE_foo to 1.
780 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
782 2000-04-26 Alex Samuel <samuel@codesourcery.com>
784 * invoke.texi: Document -fssa flag.
786 2000-04-26 Richard Henderson <rth@cygnus.com>
788 * flow.c (count_reg_sets_1): Remove.
789 (count_reg_sets, count_reg_references): Remove.
790 (recompute_reg_usage): Implement with update_life_info.
791 Reallocate life data.
793 2000-04-26 Richard Henderson <rth@cygnus.com>
795 * flow.c (update_life_info): Consider blocks null to mean the
797 (calculate_global_regs_live): Likewise.
798 (life_analysis): Do that instead of collecting all_blocks.
800 2000-04-26 Richard Henderson <rth@cygnus.com>
802 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
803 a still-valid conditional jump.
805 2000-04-26 Richard Henderson <rth@cygnus.com>
807 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
809 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
810 * flow.c (calculate_loop_depth): Remove.
811 * output.h (calculate_loop_depth): Don't declare.
812 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
813 inline; run estimate_probability at the same time.
815 2000-04-26 Neil Booth <NeilB@earthling.net>
817 * cpplib.h: "~=" is not a single pp-token.
818 * cpplex.c: Correct commentary.
820 2000-04-26 Richard Henderson <rth@cygnus.com>
822 * flow.c (mark_set_1): New arguments code and flags; update all
823 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
824 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
825 loop_depth when optimizing for size. Do new_dead update after
826 emitting REG_UNUSED notes. Merge mark_set_reg code.
827 (mark_set_reg): Remove.
828 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
829 arrange to not emit REG_UNUSED notes.
831 2000-04-26 Richard Henderson <rth@cygnus.com>
833 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
834 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
836 2000-04-26 Richard Henderson <rth@cygnus.com>
838 * flow.c (propagate_one_insn): Break out from propagate_block.
839 (init_propagate_block_info): Likewise.
840 (free_propagate_block_info): Likewise.
841 (propagate_block): Use them. Export.
842 * basic-block.h: Declare them all.
844 2000-04-26 Richard Henderson <rth@cygnus.com>
846 * basic-block.h (life_analysis): Declare here ...
847 * output.h: ... not here.
848 * flow.c (life_analysis): Remove nregs parameter; replace
849 remove_dead_code with flags. Remove ssa dead code check.
850 Only init alias analysis if we'll use it.
851 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
852 * ssa.c (convert_to_ssa): Likewise.
853 (convert_from_ssa): Likewise.
854 * toplev.c (rest_of_compilation): Likewise.
856 2000-04-26 Richard Henderson <rth@cygnus.com>
858 * flow.c (flow_delete_block): Rename from delete_block. Export.
859 * basic-block.h (flow_delete_block): Declare.
861 2000-04-26 David S. Miller <davem@redhat.com>
863 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
864 taking a PATTERN of it.
866 2000-04-26 <NeilB@earthling.net>
868 * cpplex.c (spell_other, spell_char): Remove.
870 (token_spelling, trigraph_map): Use unsigned chars.
871 (_cpp_lex_line): Tidy up the switch statement.
872 * cpplib.h: Implement spell_char with spell_string.
875 2000-04-26 <RodneyBrown@pmsc.com>
877 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
878 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
880 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
882 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
883 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
884 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
885 dwarf2out_return_save, dwarf2out_return_reg,
886 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
887 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
888 gen_compile_unit_die, dwarf2out_init): Constify a char*.
890 * dwarf2out.h (dwarf2out_init): Likewise.
892 * dwarfout.c (filename_entry, primary_filename, last_filename,
893 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
895 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
896 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
897 dwarf2out_return_reg): Likewise.
899 2000-04-26 Andreas Jaeger <aj@suse.de>
901 * extend.texi (Function Attributes): Fix description of pure
904 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
906 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
907 before calling rest_of_compilation.
909 2000-04-26 Andreas Jaeger <aj@suse.de>
911 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
914 2000-04-25 Richard Henderson <rth@cygnus.com>
916 * cse.c (cse_insn): Emit barrier after unconditional jump.
918 * calls.c (expand_call): Disable tail call generation once
919 rtx_equal_function_value_matters is false.
921 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
924 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
926 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
928 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
930 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
931 is the primary DIE for a member function.
932 (gen_decl_die): Call set_decl_origin_self here.
933 * dwarfout.c (output_decl): And here.
934 * integrate.c (output_inline_function): Not here.
935 Don't clear DECL_INLINE until after calling rest_of_compilation.
936 (set_decl_origin_self): No longer static.
937 * tree.h: Add prototype.
938 * toplev.c (note_deferral_of_defined_inline_function): Only write
939 out abstract instance for actual inlines.
941 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
943 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
944 EXTENDED_REGS only if TARGET_AM33.
945 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
946 SP_REGS to register allocation and reloading unless absolutely
948 (movsi3): Remove special-case of adding non-constants to SP.
950 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
952 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
953 INCLUDES to search and does not provide any of its own. Also it
954 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
955 parameters. Also it does not call AC_DEFINE.
956 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
957 AC_DEFINE and provides for automatic entries for autoheader.
958 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
960 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
961 so we can pass -I flags and include gansidecl.h/system.h in this
964 * acconfig.h: Delete all NEED_DECLARATION_* entries.
966 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
968 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
969 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
970 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
972 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
973 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
974 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
975 for these macros. Clean up spacing and linewraps.
977 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
979 * calls.c (expand_call): Use get_callee_fndecl.
981 * print-tree.c (print_node): Print the chain of an _EXPR.
983 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
984 Jim Wilson <wilson@cygnus.com>
985 Andrew Haley <aph@cygnus.com>
987 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
988 and gp save/restore problems.
989 * config/ia64/crtend.asm: Add IA-64 unwind support.
990 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
991 in fr_pad_size calculation.
992 (save_restore_insns): Move PR save area. Correct uses of
994 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
995 (ia64_expand_epilogue): Add eh_epilogue support.
996 (ia64_function_prologue): Emit .prologue directive.
997 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
998 (ia64_override_options): Set init_machine_status and
1000 (rtx_needs_barrier): Handle bsp reads and writes.
1001 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
1002 New static variables.
1003 (process_set, process_for_unwind_directive): New functions.
1004 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
1005 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
1006 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
1008 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
1009 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
1010 (struct machine_function): Define.
1011 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
1013 2000-04-25 Bruce Korb <bkorb@gnu.org>
1015 * fixinc/Makefile.in: make the removal of old programs more
1017 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
1018 install-bin and install-sh
1020 2000-04-25 Nick Clifton <nickc@cygnus.com>
1022 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
1023 defined, define to return zero.
1024 (function_cannot_inline_p): If a function has any target
1025 specific attributes, then use the macro
1026 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
1027 whether it can be inlined. If it cannot, issue a suitable
1030 * tm.texi: Add a new node 'Inlining' to document the new macro
1031 FUNCTION_ATTRIBUTE_INLINABLE_P.
1033 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
1035 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
1038 2000-04-25 Neil Booth <NeilB@earthling.net>
1040 Restore previous patch, plus the following fixes:
1042 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
1043 flags, not CPP_OPEN_PAREN.
1044 * cpplex.c (expand_token_space, init_token_list,
1045 cpp_free_token_list): Put the dummy token at list->tokens[-1].
1046 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
1048 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1050 * config/i386/freebsd.h (INT_ASM_OP): Define.
1052 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
1054 * loop.c (strength_reduce): Fix typo in the last checkin.
1056 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1058 * stor-layout.c (finalize_record_size): Simplify to use existing
1060 (compute_record_mode): No longer static.
1061 * tree.h (compute_record_mode): New declaration.
1063 2000-04-25 Neil Booth <NeilB@earthling.net>
1065 * Revert my patch below until cause of build failures
1068 2000-04-25 Richard Henderson <rth@cygnus.com>
1070 * combine.c (combine_instructions): Add missing argument
1073 * toplev.c (rest_of_compilation): Delay sibcall optimization
1074 until after emit_eh_context.
1076 2000-04-24 Nick Clifton <nickc@redhat.com>
1078 * combine.c (combine_instructions): Do not try to combine a
1079 sequence of insns when the second insn has been replaced by a
1082 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
1084 * gcc.c (load_specs): New static function.
1085 (read_specs): Use it.
1087 * gcc.c (lookup_compiler): Make multiple passes for case
1088 insensitive filesystems.
1090 2000-04-24 Neil Booth <NeilB@earthling.net>
1092 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
1093 * cpphash.h (_cpp_check_directive): new.
1094 * cpplex.c (handle_newline, cpp_free_token_list,
1095 init_trigraph_map, trigraph_ok, trigraph_replace,
1096 backslash_start, skip_block_comment, skip_line_comment,
1097 skip_whitespace, parse_name, parse_number, parse_string,
1098 copy_comment, _cpp_lex_line, spell_char, spell_string,
1099 spell_comment, spell_name, spell_other, _cpp_lex_file,
1100 _cpp_output_list): new.
1101 (expand_name_space): take length argument.
1102 (init_token_list): add comment list initialisation.
1103 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
1104 instead of HSPACE_BEFORE.
1106 * cpplib.c (_cpp_check_directive): new
1107 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
1108 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
1109 (HSPACE_BEFORE): delete.
1110 (TTYPE_TABLE): rearrange.
1111 (struct cpp_toklist): update.
1113 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1115 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
1116 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
1117 argument form of AC_DEFINE.
1119 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
1120 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
1121 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
1122 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
1123 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
1125 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
1127 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1129 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
1130 deduced.h): Use -isystem, not -I, for including system headers.
1132 2000-04-24 Nick Clifton <nickc@cygnus.com>
1134 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
1135 the source register is the frame pointer or arg pointer.
1136 (addsi3_small_int): Disallow if source register is the frame
1137 pointer or arg pointer.
1139 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1141 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
1142 call to AC_MSG_RESULT.
1144 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1146 * invoke.texi: Correct grammatical errors, document
1147 -fno-gnu-keywords as identical to -fno-asm for C++.
1149 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1151 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
1152 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
1153 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
1154 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
1155 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
1157 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
1158 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
1159 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
1160 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
1163 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
1165 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
1166 (pop_alignment): Likewise.
1167 (handle_pragma_token): Likewise.
1169 2000-04-24 Robert Lipe <robertlipe@usa.net>
1171 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
1173 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
1175 * combine.c (try_combine): Update reg_nonzero_bits of
1176 newi2pat before newpat.
1178 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
1180 * loop.c (strength_reduce): Simplify test to INSN_P.
1181 (record_giv): Attempt to simplify the add value, use CONSTANT_P
1182 expressions instead of CONST_INT.
1183 (express_from_1): Likewise.
1185 2000-04-24 Mark Mitchell <mark@codesourcery.com>
1187 * regs.h (reg_n_max): Don't declare.
1188 * flow.c (reg_n_max): Don't define.
1189 * regclass.c (renumber): Don't initialize to zero.
1190 (regno_allocated): Likewise.
1191 (reg_n_max): Define.
1192 (allocate_reg_info): Don't initialize unnecessarily.
1194 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
1196 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
1197 and blockage_p in the newly allocated attribute.
1199 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
1201 * config/mn10300/mn10300.md (addsi): `inc4' on address
1202 registers does not modify cc, but `inc' on an extended
1205 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
1207 * reload.c (find_equiv_reg): Checks all valueno regs
1208 as a reload_reg_p regs.
1210 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
1212 * cpphash.c (collect_objlike_expansion): Add sanity check.
1213 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
1214 the buffer is the empty string, return. Mark __DATE__ and
1215 __TIME__ as XCONST nodes, not MCONST.
1216 (_cpp_macroexpand): Avoid pushing an empty buffer.
1217 (funlike_macroexpand): Don't pop token_buffer here.
1219 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
1221 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
1222 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
1223 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
1224 (REGNO_OK_FOR_BASE_P): Define in terms of them.
1225 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
1226 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
1227 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
1229 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1231 * loop.c (simplify_giv_expr): Be more agressive on simplifying
1234 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
1236 * cpphash.h (struct definition): Move file, line, col members...
1237 (struct hashnode): ... here. Also add 'disabled' flag.
1238 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
1239 T_IDENTITY. Remove T_DISABLED.
1242 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
1243 (collect_expansion): Split into collect_objlike_expansion and
1244 collect_funlike_expansion.
1245 (_cpp_macroexpand): Split out scan_arguments, stringify, and
1246 funlike_macroexpand.
1247 (_cpp_compare_defs): Rename compare_defs, make static.
1248 (_cpp_make_hashnode): Initialize hp->disabled.
1249 (macro_cleanup): Adjust for new token types. Clear
1251 (_cpp_create_definition): Move code here to determine what
1252 sort of macro it is, and code to check for redefinitions, from
1253 do_define. Implement a few simple cases without creating a
1255 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
1256 Handle the simple cases.
1257 (push_macro_expansion): Set buf->has_escapes and hp->disabled
1260 * cppinit.c (builtin_array): Change MCONST to XCONST
1262 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
1263 fix check for disabled and function-like macros.
1264 * cpplib.c (do_define): Move most logic to
1265 _cpp_create_definition.
1266 (do_undef): Handle new special token types.
1268 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
1270 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
1271 of CONSTANT_P for mult_val; always use validate_change to update insn.
1273 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
1275 * cpphash.c (trad_stringify, add_pat): New functions.
1276 (collect_expansion): Restore support for -traditional syntax.
1277 Use trad_stringify and add_pat.
1278 (_cpp_macroexpand): Restore support for -traditional semantics.
1279 * cpplex.c (_cpp_scan_line): Don't change space_before if we
1280 get a COMMENT token.
1281 (_cpp_lex_token): Provide COMMENT tokens to caller if
1282 traditional and parsing_define_directive.
1283 (skip_comment): Warn about // comments if -Wtraditional.
1284 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
1286 (do_undef): Don't warn about undefining EMPTY nodes.
1288 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
1290 * loop.c (strength_reduce): Fix biv removal code.
1292 2000-04-22 Richard Henderson <rth@cygnus.com>
1294 * predict.c (estimate_probability): Examine both sides of
1295 a branch for no exits. Use 90% not 50% for predict taken.
1296 Reorg for one copy of note generation code.
1298 2000-04-22 Richard Henderson <rth@cygnus.com>
1300 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
1302 2000-04-22 Richard Henderson <rth@cygnus.com>
1304 * diagnostic.c (init_output_buffer): Don't initialize format_args.
1305 (output_clear): Likewise.
1306 (output_printf): Use va_copy.
1307 (vline_wrapper_message_with_location): Likewise.
1308 (v_message_with_decl): Likewise.
1309 (line_wrapper_printf): VA_START infor buffer.format_args directly.
1310 * system.h (va_copy): Provide default implementation.
1312 2000-04-22 Richard Henderson <rth@cygnus.com>
1314 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
1315 the collected condition is not a constant.
1317 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
1319 * diagnostic.h: New file.
1321 * Makefile.in (diagnostic.o): Depends on diagnostic.h
1323 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
1324 various function prototypes.
1325 (diagnostic.h): #include.
1326 (struct output_buffer): Move into diagnostic.h.
1327 (get_output_prefix): Rename to output_get_prefix. Export.
1328 (init_output_buffer): Export. Break out. Ajust intialization.
1329 (output_space_left, output_append): Export.
1330 (output_newline): Rename to output_add_newline. Export.
1331 (output_clear): Nullify additional output_buffer fields.
1332 (output_puts): Rename to output_add_string. Export.
1333 (dump_output): Rename to output_flush_on. Export.
1334 (build_location_prefix): Constify return-type.
1335 (emit_output_prefix): Rename to output_emit_prefix. Export.
1336 (set_real_maximum_length): New function.
1337 (output_set_maximum_length): Ditto
1338 (output_clear): Ditto.
1339 (output_add_character): Ditto.
1340 (output_add_integer): Ditto.
1341 (output_add_space): Ditto.
1342 (output_format): Ditto.
1343 (output_printf): Adjust buffer initialization.
1344 (vline_wrapper_message_with_location): Ditto.
1345 (v_message_with_decl): Ditto. Adjust call to output_puts
1346 and get_output_prefix.
1347 (default_print_error_function): Adjust buffer intialization.
1349 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1351 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
1354 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
1356 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
1359 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
1361 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
1362 accurate data about SP moves.
1364 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
1366 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
1367 aliases to AM33 registers.
1369 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
1371 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
1372 to all EXTENDED bitmaps.
1374 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
1376 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
1377 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
1378 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
1380 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
1382 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
1383 the operand is not constant.
1385 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
1387 * reload.c (find_equiv_reg): Checks all valueno and regno regs
1388 as a call-clobbered regs.
1390 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1392 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
1394 * rtl.def: Update comment.
1395 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
1396 * integrate.c (expand_inline_function): Likewise.
1397 * profile.c (branch_prob): Likewise.
1398 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
1399 * print-rtl.c (print_rtx): Likewise.
1400 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
1401 (reemit_notes): Likewise; also use enum insn_note.
1403 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
1404 (place_field): Properly compute know and actual alignment.
1406 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
1409 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
1412 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
1414 * cpphash.c (struct arg, struct arglist): Const-ify strings.
1415 (warn_trad_stringify, duplicate_arg_p): New helper functions.
1416 (collect_expansion): Rewrite to scan over a token list.
1417 Remove -traditional support.
1418 (collect_formal_parameters): Rename to collect_params; rewrite
1419 to scan over a token list.
1420 (_cpp_create_definition): Adjust to scan a token list.
1421 (_cpp_macroexpand): Remove -traditional support.
1422 (_cpp_compare_defs): Whitespace is now canonicalized.
1423 (comp_def_part): Delete function.
1425 * cpphash.h: Update prototypes.
1426 * cpplex.c (init_token_list): Don't set lineno if there is no
1428 (pedantic_whitespace): New function.
1429 (_cpp_scan_line): Mark tokens that had hspace before. Don't
1430 consume a newline. Use pedantic_whitespace.
1431 (_cpp_lex_token): Remove support for -traditional macros.
1432 (_cpp_get_define_token): Delete.
1433 (_cpp_get_directive_token): Do the real work here. Use
1434 pedantic_whitespace.
1435 (_cpp_init_input_buffer): Initialize pfile->directbuf.
1437 * cpplib.c (get_macro_name): Delete.
1438 (do_define): Read the entire line into pfile->directbuf, then
1439 feed the token list to _cpp_create_definition.
1440 * cpplib.h (HSPACE_BEFORE): new define.
1441 (struct cpp_reader): Add a toklist member, "directbuf".
1443 * predict.c (estimate_probability): New heuristic: if a jump
1444 branches around a block with no successors, predict it taken.
1445 Disentangle control flow.
1447 2000-04-20 Richard Henderson <rth@cygnus.com>
1449 * loop.c (emit_iv_add_mult): Revert last change.
1451 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1453 * cpplib.h (enum cpp_ttype): Add token types for all
1454 punctuators. Distinguish pp-numbers from valid C numbers.
1455 Give some tokens better names. Initialize from macro.
1456 (struct cpp_name, cpp_token, cpp_toklist): New data
1459 * cpplex.c (bump_column, expand_name_space,
1460 expand_token_space, init_token_list, cpp_output_list,
1461 _cpp_scan_line): New functions.
1462 (output_line_command): Add third argument, new line number.
1463 * cpphash.h: Update prototypes.
1464 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
1467 2000-04-20 Richard Henderson <rth@cygnus.com>
1469 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
1471 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1473 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
1476 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
1478 * loop.c (emit_iv_add_mult): Simplify it's input and emit
1479 REG_EQUAL note explaining the calculated value.
1481 * calls.c (expand_call): Avoid unnecesary precalculation
1482 and outgoing parameters space guarding for sibling calls.
1483 (store_one_arg): Likewise.
1485 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1487 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
1488 (rest_of_compilation): Write sibling dump file and account
1489 for time as jump time.
1490 * invoke.texi: Update documentation on dump flags.
1492 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
1494 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
1496 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
1498 * cpphash.c (special_symbol): Represent an empty macro with
1499 "\r \r " not just "\r ".
1500 (_cpp_macroexpand): Correct condition for the foo ( ) special
1502 (unsafe_chars): Handle EOF as second argument.
1503 (push_macro_expansion): Simplify test for removing escape at
1504 end. Do not trim both escapes if there is no text in between.
1506 2000-04-19 Jim Blandy <jimb@redhat.com>
1508 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
1509 of PTR_SIZE, when appropriate.
1511 2000-04-19 Mark Mitchell <mark@codesourcery.com>
1513 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
1514 (USE_ENUM_BITFIELDS): Fix typo.
1516 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1518 * stor-layout.c (place_field): Set rli->offset_align properly.
1520 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1522 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
1523 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
1524 PARM_BOUNDARY): Remove unnecessary casts.
1526 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
1528 * calls.c (precompute_arguments): Remove must_preallocate and
1530 (expand_call): Update call of precompute_arguments.
1532 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
1533 check_insn_for_givs): Break out from ...
1534 (strength_reduce) ... here; use for_every_insn_in_loop to call
1535 check_insn_for_givs.
1536 * loop.h (for_every_insn_in_loop): Declare.
1537 (loop_insn_callback): New type.
1539 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1541 * cpplib.c (do_pragma_poison): Strings in the token buffer are
1544 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
1546 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
1549 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1551 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
1553 * configure.in: Delete --disable-cpplib option and all
1554 references to cpp_main.
1555 * configure: Regenerate.
1556 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
1557 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
1558 cccp.o, cccp, or cppmain. Link cppmain.o straight to
1559 cpp$(exeext). Add --no-headers to makeinfo command line when
1560 generating INSTALL. Install and uninstall cpp.1 manpage, not
1562 * install.texi: Delete all references to cexp.y/cexp.c.
1563 Delete ancient instructions for compiling GCC on 3b1.
1564 * INSTALL: Regenerate.
1566 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
1567 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
1568 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
1570 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
1571 which is no longer tested anywhere.
1573 * cppinit.c (handle_option): Don't run error message through
1576 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1578 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
1579 * cpperror.c (hashtab.h): Now include.
1580 * cppexp.c (hashtab.h): Likewise.
1581 * cpplex.c (hashtab.h): Likewise.
1582 * cppfiles.c (hashtab.h): Likewise.
1583 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
1584 to htab_find_slot_with_hash.
1585 * cpphash.c (hashtab.h): Now include.
1586 (_cpp_lookup_slot): INSERT is now enum insert_option.
1587 * cpphash.h (_cpp_lookup_slot): Likewise.
1588 * cppinit.c (hashtab.h): Include earlier.
1589 (initialize_builtins): Pass enum to htab_find_slot.
1590 * cpplib.c (hashtab.h): Now include.
1591 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
1592 (do_pragma_poison, do_assert): Likewise.
1593 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
1594 htab_find_slot_with_hash.
1595 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
1596 * tree.c (type_hash_add): Likewise.
1597 (build1): Minor cleanup.
1599 * ggc-common.c: Add missing blanks.
1600 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
1601 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
1603 * stmt.c (mark_case_node): New function.
1604 (mark_case_nesting): Call it.
1606 * expmed.c (emit_store_flag): If comparing two-word integer
1607 with zero, can optimize NE, EQ, GE, and LT.
1609 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
1610 * conflict.c: Minor cleanups.
1611 * optabs.c: Add blank line
1612 * simplify-rtx.c: Minor cleanups.
1614 2000-04-18 Stan Cox <scox@cygnus.com>
1616 * gengenrtl.c (genlegend): Fix misspelling.
1618 2000-04-18 Robert Lipe <robertlipe@usa.net>
1620 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
1621 bitfields of the host compiler are not signed quantities.
1622 * config.in: Regenerate.
1623 * configure: Regenerate.
1624 * system.h (USE_ENUM_BITFIELDS): Added.
1625 (ENUM_BITFIELDS): Added.
1626 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
1627 (SHORT_ENUM_BUG): Deleted.
1628 * tree.h (tree_common): Members `code', `mode', `built_in_class',
1630 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
1631 (CODE_FIELD_BUG): Likewise.
1632 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
1634 * config/m68k/x-ccur (X_CFLAGS): Likewise.
1636 2000-04-18 Mark Mitchell <mark@codesourcery.com>
1638 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
1641 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1643 * cppexp.c (lex): Don't assume tokens are NUL terminated.
1644 * cpplib.c (do_include, do_import, do_include_next,
1645 read_line_number, detect_if_not_defined): Likewise.
1646 * cpphash.c (collect_expansion): Likewise.
1647 (special_symbol, _cpp_macroexpand): Check return from
1649 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
1650 macros. Delete all uses.
1652 * gcc.dg/cpp-mi.c: Add two more test cases.
1653 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
1655 2000-04-17 Richard Henderson <rth@cygnus.com>
1657 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
1658 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
1660 2000-04-17 Mark Mitchell <mark@codesourcery.com>
1662 * function.c (expand_function_start): Use hard_function_value to
1663 compute the RTL to use for DECL_RESULT.
1665 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
1667 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
1668 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1669 x86_memory_mismatch_stall): New global variables.
1670 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
1671 alloved; fix load penalties for Athlon.
1672 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1673 x86_memory_mismatch_stall): Declare.
1674 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
1675 TARGET_MEMORY_MISMATCH_STALL): New.
1676 * i386.md (athlon scheduling parameters): Fix latencies according to
1677 Athlon Optimization Manual.
1678 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
1680 (fsqrt instruction patterns): Set athlon_decode to direct.
1681 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
1682 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
1683 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
1684 and TARGET_PARTIAL_REGISTER_STALL machines.
1685 (pushdf_nointeger): New pattern.
1686 (pushdf_integer): Rename from pushdf.
1687 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
1688 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
1690 2000-04-17 Richard Henderson <rth@cygnus.com>
1692 * loop.c (canonicalize_condition): Add WANT_REG argument.
1693 Stop the search if we match it.
1694 * expr.h (canonicalize_condition): Update decl.
1695 * predict.c (expected_value_to_br_prob): Use it. Track last
1696 expected value note.
1697 (find_expected_value): Remove.
1699 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
1701 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1703 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
1704 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
1706 * configure.in: Call AC_FUNC_MMAP_FILE.
1707 * configure: Regenerate.
1708 * config.in: Regenerate.
1710 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
1711 * fixinc/fixincl.c: Likewise.
1713 2000-04-17 Richard Henderson <rth@cygnus.com>
1715 * builtins.c (expand_builtin_expect): New.
1716 (expand_builtin): Call it.
1717 * builtins.def (BUILT_IN_EXPECT): New.
1718 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
1719 * extend.texi: Document it.
1721 * predict.c (expected_value_to_br_prob): New.
1722 (find_expected_value): New.
1723 * basic-block.h (expected_value_to_br_prob): Declare.
1724 * toplev.c (rest_of_compilation): Invoke it.
1726 * rtl.h (NOTE_EXPECTED_VALUE): New.
1727 (NOTE_INSN_EXPECTED_VALUE): New.
1728 * rtl.c (note_insn_name): Update.
1729 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
1730 cases; handle NOTE_INSN_EXPECTED_VALUE.
1732 2000-04-17 Jakub Jelinek <jakub@redhat.com>
1734 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
1735 leaf sibcall delay slot if flag_pic.
1736 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
1738 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1740 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
1742 * fixproto: If fix-header fails, exit with an error.
1744 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1746 * cse.c (struct check_depdendence_data): New.
1747 (check_dependence): New function.
1748 (invalidate): Use check_depdenence.
1750 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1752 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
1753 UNITS_PER_WORD is unsigned.
1755 * tree.h (struct tree_common): Remove misleading comment.
1757 2000-04-16 Dave Pitts <dpitts@cozx.com>
1759 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
1760 message in quotes. Otherwise, IBM's make program treats the '#' as the
1761 start of a comment and ignores the remainder of the line.
1763 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
1765 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
1766 * cexp.y (initialize_random_junk): Likewise.
1767 * cppfiles.c (find_include_file): Cast alloca return value.
1768 * cppinit.c (initialize_standard_includes): Likewise.
1769 * cpplib.c (cpp_define, cpp_undef): Likewise.
1770 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
1771 * final.c (output_asm_insn): Allow for holes in EBCDIC.
1772 * fold-const.c (CHARMASK): New.
1773 (real_hex_to_f): Use it.
1774 * real.c (CHARMASK): New.
1775 (etoasc, asctoeg): Use it.
1776 (asctoeg): EBCDIC lower case characters preceed upper case.
1778 * i370.c (mvs_add_label): Change spacing for coding conventions.
1779 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
1780 outputing case vectors.
1781 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
1782 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
1783 since vector in in the data CSECT.
1784 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
1785 * i370.md (Many patterns): Put the length in the XL directives.
1786 (movdi): Put back STM and MVC in definition.
1787 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
1788 pattern using the TCA.
1789 * oe.h (CPP_SPEC): Added to allow trigraphs.
1790 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
1791 not support the "long long" type.
1793 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1795 * config/mips/mips-protos.h (mips_legitimate_address_p): New
1797 (mips_reg_mode_ok_for_base_p): Likewise.
1798 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
1799 (REG_OK_FOR_INDEX_P): Define unconditionally.
1800 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
1801 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
1802 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
1803 that GET_MODE_SIZE is unsigned.
1804 (mips_reg_mode_ok_for_base_p): Define.
1805 (mips_legitimate_address_p): Likewise. Adjust now
1806 that GET_MODE_SIZE is unsigned.
1807 (block_move_loop): Make the number of bytes unsigned.
1808 (expand_block_move): Likewise.
1809 (function_arg): Make the loop counter unsigned to match the
1812 2000-04-16 Richard Henderson <rth@cygnus.com>
1814 * rtl.h (enum insn_note): New enumeration. Subsume
1815 NOTE_INSN_DELETED and friends.
1816 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
1817 * rtl.c (note_insn_name): Tweak string order.
1819 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
1821 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
1824 * cpplex.c (output_line_command): Remove debugging prints.
1825 (cpp_output_tokens): Don't write out a zero-length buffer or
1826 try to see if it has a newline in it.
1827 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
1828 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
1829 the end of the loop. Use memmove. Don't read past the end of
1830 the buffer. Remove trailing newlines from error messages.
1832 2004-04-16 Neil Booth <NeilB@earthling.net>
1834 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
1835 * cpplib.c: Add new syntax flags to directive table, and
1838 2000-04-15 Ulrich Drepper <drepper@redhat.com>
1840 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
1843 2000-04-15 David Edelsohn <edelsohn@gnu.org>
1845 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
1846 * haifa-sched.c: Update -fsched-verbose comments to use "=".
1848 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1850 * Makefile.in (ggc-page.o): Now includes toplev.h.
1851 * ggc-page.c (toplev.h): Now included.
1852 (gc_time): Remove declaration.
1853 (ggc_collect): TIME now long.
1854 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
1856 * toplev.h (gc_time, parse_time, gc_time): New declarations.
1858 * toplev.c: Make *_time variable long to reduce chance of overflow.
1859 (TIMEVAR): Likewise for `otime'.
1860 (print_time): Arg is now long; compute percentage in FP and round.
1861 * toplev.h (print_time): Arg is long.
1863 * tree.c: Minor whitespace changes.
1865 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
1866 * configure: Rebuilt.
1867 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
1868 (__fixunsxfDI): Renamed from __fixunsxfdi.
1869 (__fixunsdfDI): Renamed from __fixunsdfdi.
1870 (__fixunssfDI): Renamed from __fixunssfdi.
1871 (__floatdisf): Use proper type in REP_BIT macro.
1872 (__fixunsxfSI): Renamed from __fixunsxfsi.
1873 (__fixunsdfSI): Renamed from __fixunsdfsi.
1874 (__fixunssfSI): Renamed from __fixunssfsi.
1875 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
1876 Change location of macros and upper-case some names as above.
1877 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
1878 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
1880 * varasm.c (assemble_variable): Add cast to remove warning.
1881 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
1883 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
1884 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
1885 region number to -1.
1887 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
1889 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
1890 call unshare_all_rtl.
1892 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
1894 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
1896 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
1897 Use .s1 not .s0 for all FP instructions.
1899 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
1901 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
1903 (safe_fwrite, output_line_command): New static functions.
1904 (cpp_expand_to_buffer): Now private to cpplib.
1905 (cpp_scan_buffer): Take a printer.
1907 * cpphash.h: Update prototypes.
1908 * cpplib.h: Update prototypes.
1910 (cpp_buffer): Remove last_nominal_fname.
1911 (cpp_reader): Remove lineno.
1913 * cppmain.c: Use a cpp_printer.
1914 * fix-header.c: No need to inhibit line commands. Call
1915 cpp_start_read with no printer.
1917 * cpperror.c (cpp_notice_from_errno): Provide default name.
1918 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
1919 (find_include_file, cpp_read_file): Use make_IHASH.
1920 (file_cleanup): Set control_macro and clear
1921 input_stack_listing_current here.
1922 (_cpp_execute_include): Don't output entering-file marker.
1923 * cpphash.c (special_symbol): Look for the line number in the
1924 buffer, not the reader.
1925 (_cpp_macroexpand): No need to disable line commands.
1926 (_cpp_dump_definition): No need to generate line commands.
1927 (dump_hash_helper): Remove excess newline from output.
1928 * cppinit.c (dump_special_to_buffer): No need to generate line
1930 (cpp_printer_init): New.
1931 (cpp_start_read): Take a printer, and start it up if it's not
1932 NULL. No need to generate line commands.
1933 (cpp_finish): Expect no buffers stacked at all. Take a
1934 printer argument, and flush the output buffer if it's not
1936 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
1937 Don't put two hashes at the beginning of an assertion.
1938 (cpp_get_token): Don't increment pfile->lineno or emit line
1939 commands here. Return EOF if there's no buffer when we get
1941 * cpplib.c (do_define, skip_if_group):
1942 No need to disable line commands.
1943 (_cpp_output_line_command): Delete function.
1944 (do_line): Don't emit line commands here, but set things up so
1945 they will be emitted if necessary. Use _cpp_fake_ihash to
1946 make unique nominal_fnames if necessary.
1947 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
1948 with 0 for column, not -1.
1949 (_cpp_handle_eof): Don't set the control macro here. Don't
1950 clear input_stack_listing_current here. Don't emit line
1953 2000-04-14 Geoff Keating <geoffk@cygnus.com>
1955 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
1956 always, use the default SVR4 start address.
1958 * config/rs6000/linux.h (LINK_SPEC): Don't define.
1959 (LINK_SHLIB_SPEC): Define.
1960 (LINK_START_DEFAULT_SPEC): Define.
1961 (LINK_OS_DEFAULT_SPEC): Define.
1963 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
1965 * config/rs6000/eabi.asm (__eabi): Call __init rather than
1966 __do_global_ctors to handle constructors.
1967 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
1968 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
1969 (STARTFILE_MVME_SPEC): Likewise.
1970 (STARTFILE_SIM_SPEC): Likewise.
1971 (ENDFILE_ADS_SPEC): Use crtend.
1972 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
1973 (ENDFILE_MVME_SPEC): Likewise.
1974 (ENDFILE_SIM_SPEC): Likewise.
1975 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
1976 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
1977 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
1978 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
1979 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
1980 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
1981 (CRTSTUFF_T_CFLAGS_S): Define.
1982 * config/rs6000/eabi-ctors.c: Delete.
1984 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
1987 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
1991 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
1993 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
1994 plus mask size is smaller or equal to the mode size.
1996 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1998 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
2001 * expr.c (reload.h): Now included.
2002 (emit_block_move): Set volatile_ok when checking for movstr.
2003 (emit_move_1): Check for replacements in addresses in multi-word case.
2004 * Makefile.in (expr.o): Now includes reload.h.
2006 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
2007 Never have a LIBCALL end a basic block.
2008 (find_basic_blocks_1): Likewise.
2009 Reorganize CALL_INSN cases.
2011 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
2013 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
2015 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
2016 completers from mov.ret instruction.
2018 2000-04-14 Richard Henderson <rth@cygnus.com>
2020 * fold-const.c (extract_muldiv): Don't distribute and widen
2021 multiply across plus for non-sizetype unsigned types.
2023 2000-04-14 Richard Henderson <rth@cygnus.com>
2025 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
2026 If the original source is dead in the incr insn, it's dead now.
2028 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2030 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
2031 see if DECL_BIT_FIELD needs to still be set.
2033 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
2035 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
2036 print_int_cst_octal with something that's not an INTEGER_CST.
2038 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
2039 and not a SUBREG to a FLOAT rtl.
2041 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
2043 * emit-rtl.c (try_split): Avoid infinite loop if the split
2044 results in a sequence that contains the original insn.
2046 2000-04-13 Andreas Jaeger <aj@suse.de>
2048 * config/mips/mips.c (expand_block_move): Pass alignment
2049 argument to move_by_pieces in bits, not bytes.
2051 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
2052 __pic__ for little endian.
2054 2000-04-13 Andreas Jaeger <aj@suse.de>
2056 * config/i386/i386-protos.h: Add prototype for
2057 uno_comparison_operator.
2059 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
2061 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
2062 * calls.c (ECF_PURE): New flag.
2063 (emit_call_1): Handle ECF_PURE calls.
2064 (initialize_argument_information): Unset ECF_PURE flag too.
2065 (precompute_arguments): Precompute for ECF_PURE too.
2066 (expand_call): Handle ECF_PURE calls too.
2067 (emit_library_call_value_1): Rename no_queue argument to fn_type,
2068 accept value of 2 as pure function.
2069 (emit_library_call_value, emit_library_call): Rename no_queue argument
2071 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
2073 * tree.h (DECL_IS_PURE): New macro.
2074 (struct tree_decl): Add pure_flag.
2075 * c-common.c (enum attrs): Add attribute "pure".
2076 (init_attributes): Initialize attribute "pure"
2077 (decl_attributes): Handle attribute "pure".
2078 * extend.texi (Attribute "pure"): Document.
2079 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
2081 (flags_from_decl_or_type): Support attribute "pure".
2083 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
2085 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
2086 the token except for numbers and identifiers.
2088 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
2090 * i386.c (ix86_expand_binary_operator,
2091 ix86_expand_unary_operator): Check no_new_pseudos
2092 instead of reload_in_progress and reload_completed.
2093 (ix86_split_ashldi, ix86_split_ashrdi,
2094 ix86_split_lshrdi): Check no_new_pseudos instead
2095 of reload_completed.
2097 2000-04-12 Jeffrey A Law (law@cygnus.com)
2099 * function.c (purge_addressof): Unshare any shared rtl created by
2100 purge_addressof and its children.
2102 2000-04-12 Mark Mitchell <mark@codesourcery.com>
2104 * function.c (aggregate_value_p): VOID_TYPE nodes are never
2107 2000-04-05 Andreas Jaeger <aj@suse.de>
2109 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
2110 not compiling PIC code, add flags for mabi=64.
2111 (SUBTARGET_CPP_SIZE_SPEC): New.
2112 (SUBTARGET_CPP_SPEC): New.
2113 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
2114 for MIPS/Linux and lots of code needs these defines.
2116 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
2118 * reorg.c (fill_slots_from_thread): Check side_effects_p when
2119 trying the "opposite arithmetic" approach.
2121 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2123 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
2124 (struct sh_args): Add new field force_mem.
2125 (INIT_CUMULATIVE_ARGS): Initialize it.
2126 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
2128 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
2130 * calls.c (expand_call): Do not reverse args in "equal from" field.
2131 (emit_library_call_value_1): Emit_libcall_block for const and pure
2134 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2136 * reload1.c (reload_combine): Don't enable optimization for fixed
2137 registers when encountering a BARRIER.
2139 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
2141 * builtins.c (expand_builtin_memcmp): Do expansion even with
2142 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
2144 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
2145 stack is propertly aligned; add sanity checking for aligned
2147 (expand_library_call_value_1): Add sanity checking for aligned
2150 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
2152 * calls.c (emit_library_call_value_1): Change 3rd arg to
2153 locate_and_pad_parm to disregard the setting of partial.
2155 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2157 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
2159 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
2160 CALL_INSN from the normal case.
2162 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
2164 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
2165 New global variables.
2166 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
2168 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
2170 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
2171 TARGET_ADD_ESP_8): New macros.
2172 * i386.md: Add peep2s to convert esp adjustments to push and pop
2174 (pushsi_prologue, popsi_epilogue): New patterns.
2176 2000-04-12 Jakub Jelinek <jakub@redhat.com>
2178 * real.c (toe64): Remove stale #endif from the last change.
2180 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
2182 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
2183 * real.c (toe64): Revert previous change.
2185 2000-04-12 Jakub Jelinek <jakub@redhat.com>
2187 * objc/objc-act.c: Include ggc.h.
2188 (objc_tree_index, objc_global_trees): Convert most of the
2189 static tree variables into a static array with previous names
2191 (objc_ellipsis_node): New variable.
2192 (lang_init): Call objc_act_parse_init and c_parse_init.
2193 Create objc_ellipsis_node.
2194 (build_selector_translation_table): Use objc_ellipsis_node instead
2196 (hack_method_prototype): Likewise.
2197 (get_arg_type_list): Likewise.
2198 (start_method_def): Likewise.
2199 (continue_method_def): Likewise.
2200 (gen_method_decl): Likewise.
2201 (ggc_mark_imp_list): New function.
2202 (ggc_mark_hash_table): New function.
2203 (objc_act_parse_init): New function.
2204 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
2205 * c-parse.in (c_parse_init): For objc add roots of objc specific
2206 local tree variables.
2207 * objc/objc-parse.y: Rebuilt.
2208 * objc/objc-parse.c: Rebuilt.
2209 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
2211 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
2213 * cse.c (delete_trivially_dead_insns): Also delete insns
2214 that copy a register to itself where the destination is
2217 2000-04-11 Richard Henderson <rth@cygnus.com>
2219 * flow.c (struct propagate_block_info): Add new_dead, new_live.
2220 (propagate_block): Initialize them. Use them in parallel instead
2221 of one tmp variable, ie revert much of the 0408 and 0407 functional
2222 changes, but keep the structural changes.
2223 (mark_set_regs): Take new_dead from propagate_block_info instead.
2224 (mark_set_1, mark_set_reg): Likewise.
2225 (mark_used_regs): Likewise with new_live.
2226 (mark_used_reg): Likewise. Revert 0408 change.
2228 2000-04-11 Nick Clifton <nickc@cygnus.com>
2230 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
2232 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
2234 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2236 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
2237 const section to output a CONSTRUCTOR based on the same conditions
2240 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
2242 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
2243 * pa/pa-protos.h (output_call): Add additional argument indicating
2244 if the call is a sibling/tail call.
2245 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
2246 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
2247 (function_arg, function_arg_partial_nregs): Likewise
2248 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
2249 (emit_move_sequence): Zero extend certain constants as needed
2251 (compute_zdepdi_operands, output_64bit_and): New functions.
2252 (output_64bit_ior, function_arg): Likewise.
2253 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
2254 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
2255 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
2256 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
2257 (output_bvb): Likewise.
2258 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
2259 (output_call): New argument 'sibcall'. Generate sibcall sequences
2261 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
2262 (ouput_arg_descriptor): Do not emit argument descriptors for
2264 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
2266 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
2267 (FUNCTION_OK_FOR_SIBALL): Define.
2268 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
2269 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
2270 (CPP_SPEC): Use new spec infrastructure.
2271 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
2272 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
2273 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
2274 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
2275 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
2276 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
2277 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
2278 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
2279 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
2280 (FUNCTION_ARG); Call out to C code.
2281 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
2282 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
2283 (MIN_UNITS_PER_WORD): Likewise.
2284 * pa/pa.md (cmpdi): New expander.
2285 (scc patterns, movstrsi): Not available for TARGET_64BIT.
2286 (64bit conditional arithmetic): New patterns.
2287 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
2288 (movsicc): Not available if modes on all the operands to not match.
2289 (movdicc): New expander and associated patterns.
2290 (64bit branches): New patterns.
2291 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
2292 (pre_ldd, post_std): New patterns.
2293 (64bit addil, load low part): New patterns.
2294 (special movsf constant): Not available for TARGET_64BIT.
2295 (movsf, movdf expanders): Force constants into memory.
2296 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
2297 (64bit movdf/movdi patterns): New patterns.
2298 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
2300 (extendqidi2, extendhidi2, extendsidi2): Similarly.
2301 (adddi3 expander): Allow "arith_operand" for second input.
2302 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
2303 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
2304 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
2305 (muldi3): New expander for TARGET_64BIT.
2306 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
2308 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
2309 patterns for TARGET_64BIT.
2310 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
2311 patterns for TARGET_64BIT.
2312 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
2313 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
2314 (sibcall_epilogue): New expander.
2315 (casesi): Tweak for TARGET_64BIT.
2316 (call expanders): Set & use the outgoing argument pointer. Use the
2317 64bit call patterns as needed. Add additional arg to output_call.
2318 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
2319 (sibcall, sibcall_internal_symref): New expanders.
2320 (sibcall_value, sibcall_value_internal_symref
2321 (interspace_jump): Turn into an expander + matching patterns.
2322 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
2323 * pa/pa64-regs.h: Eliminate trigraph sequences.
2324 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
2326 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
2328 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
2329 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
2330 cpp_token with cpp_ttype everywhere.
2331 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
2332 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
2333 CPP_BUF_COL. Line and column numbers are unsigned int, not
2335 * cpplex.c (cpp_buf_line_and_col): Delete.
2336 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
2337 'long lineno' to 'unsigned int lineno'.
2338 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
2340 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2342 * extend.texi: ISO C99 is not a draft anymore.
2343 * invoke.texi: ISO C++ is not a draft anymore.
2344 * cpp.texi: __cplusplus is required by the ISO standard.
2346 * extend.texi (-fthis-is-variable): Undocument.
2347 * flags.h (warn_template_debugging): Remove declaration.
2348 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
2349 -Wenum-clash, -Wtemplate-debugging): Undocument.
2351 2000-04-10 Nick Clifton <nickc@cygnus.com>
2353 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
2355 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
2357 (ARM_SIGN_EXTEND): Use HOST_UINT.
2358 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
2359 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
2360 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
2361 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
2363 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
2364 (arm_gen_constant): Use HOST_UINT.
2365 (arm_canonicalize_constant): Use HOST_UINT.
2366 (arm_reload_in_hi): Use HOST_UINT.
2367 (arm_reload_out_hi): Use HOST_UINT.
2368 (output_multi_immediate): Use HOST_UINT.
2369 (int_log2): Use HOST_UINT.
2370 (arm_poke_function_name): Use HOST_UINT.
2371 (arm_output_epilogue): Use arm_volatile_func().
2372 (output_thumb_prologue): Use arm_strip_name_encoding().
2374 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2376 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
2377 of sequence point problems.
2379 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
2381 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
2383 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
2385 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2387 * sbitmap.h: Whitespace changes and use upper-case macro args.
2388 (struct simple_bitmap_def): All sizes now unsigned.
2389 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
2390 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
2391 (sbitmap_vector_alloc): Parms and local vars now unsigned.
2392 (sbitmap_zero): Cast bzero arg to PTR.
2393 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
2394 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
2395 loop to make structure clearer.
2396 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
2397 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
2398 (sbitmap_a_and_b_or_c): Likewise.
2399 (sbitmap_intersection_of_succs): Minor cleanups.
2400 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
2401 (sbitmap_union_of_preds): Likewise.
2402 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
2403 (debug_sbitmap): New function.
2405 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
2406 * c-typeck.c (convert_for_assignment): Likewise.
2408 * expmed.c (init_expmed): Don't free objects we make.
2409 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
2411 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
2412 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
2414 * gcse.c (expr_hash_table_size): Now unsigned.
2415 (compute_ae_gen): Local variable `i' now unsigned.
2416 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
2417 (compute_transout, hoist_code): Likewise.
2418 (compute_local_properties): Likewise, also hash_table_size.
2419 (alloc_expr_hash_table): N_INSNS now unsigned.
2420 (delete_null_pointer_checks): Mark arg F as unused.
2422 * regrename.c: Minor cleanups, including chang some variables
2425 2000-04-10 Neil Booth <NeilB@earthling.net>
2427 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
2429 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
2431 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2433 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
2434 __classof__, and __headof__ from the list of gnu keywords.
2435 (-ansi): Remove -foperator-names from list of implied options.
2436 Do not call it ANSI C++.
2437 (-foperator-names): Document as -fno-operator-names.
2439 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
2441 * cpphash.c (timestamp): Delete.
2442 (del_HASHNODE): If type is T_MCONST, free value.cpval.
2443 (special_symbol): Remove unnecessary braces. Remove
2444 T_VERSION. Treat T_STDC like T_CONST unless
2445 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
2446 when one is encountered, then convert them into T_MCONST
2448 * cppinit.c (builtin_array): version_string is T_MCONST.
2449 __STDC__ has a "1" in its cpval. Don't have a terminator
2450 entry. Clean up which entries are dumped.
2451 (initialize_builtins): Only __STDC__ gets the special
2452 -traditional treatment. Count the length of builtin_array.
2453 Render version_string here.
2454 * cpphash.h: Remove T_VERSION. Add T_MCONST.
2455 * cpplib.h (struct cpp_reader): Remove timebuf.
2457 2000-04-09 Richard Henderson <rth@cygnus.com>
2459 * genrecog.c (pred): Update comparison_operator for the unordered
2462 * config/i386/i386.c (no_comparison_operator): Disallow unordered
2464 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
2465 (uno_comparison_operator): New.
2466 (put_condition_code): Handle UNORDERED/ORDERED.
2467 (unsigned_comparison): Likewise.
2468 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
2469 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
2470 (ix86_expand_fp_compare): Use them. Take scratch as argument,
2471 update all callers. Handle all 8 unordered operators.
2472 (ix86_expand_setcc): Lose the unordered argument, update all callers.
2473 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
2474 * config/i386/i386.h (PREDICATE_CODES): Update.
2475 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
2476 (ix86_expand_branch, ix86_expand_setcc): Update.
2477 * config/i386/i386.md (sunordered, sordered): New.
2478 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
2479 (bunordered, bordered): New.
2480 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
2481 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
2482 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
2484 2000-04-09 Philip Blundell <philb@gnu.org>
2486 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
2488 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
2490 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
2491 fix_truncxfhi2): New patterns.
2492 * i386.c (output_fix_trunc): Handle converting to HImode.
2494 2000-04-08 Alex Samuel <samuel@codesourcery.com>
2496 * ssa.c (convert_to_ssa): Eliminate dead code when calling
2498 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
2499 (for_each_successor_phi): Change parameter to basic_block.
2500 (coalesce_regs_in_successor_phi_nodes): Likewise.
2501 (coalesce_regs_in_copies): Likewise.
2502 (compute_coalesced_reg_partition): Use basic_block instead of index.
2503 * rtl.h (convert_to_ssa): Delete.
2504 (convert_from_ssa): Likewise.
2505 (successor_phi_fn): Likewise.
2506 (for_each_successor_phi): Likewise.
2507 (in_ssa_form): Likewise.
2508 * basic-block.h (convert_to_ssa): Moved from rtl.h.
2509 (convert_from_ssa): Likewise.
2510 (successor_phi_fn): Likewise.
2511 (in_ssa_form): Likewise.
2512 (for_each_successor_phi): Likewise. Change parameter to basic_block.
2513 * flow.c (calculate_global_regs_live): Pass a basic_block to
2514 for_each_successor_phi.
2516 2000-04-08 Richard Henderson <rth@cygnus.com>
2518 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
2519 was modified in the current insn.
2521 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2523 * arm/thumb.md: Delete.
2524 * arm/thumb-protos.h: Delete.
2526 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2528 Merge changes from merged-arm-thumb-backend-branch onto trunk.
2530 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2532 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
2535 * arm.md (nop): Use the standard RTL expression. Don't code as a
2537 (*arm_nop, *thumb_nop): Delete.
2539 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
2540 constants. Use casts instead.
2541 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
2542 output_multi_immediate, arm_poke_function_name): Likewise.
2543 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
2544 MASK_RETURN_ADDDR): Likewise.
2546 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
2548 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
2551 * arm.md (eh_epilogue): New function.
2552 * arm.h (struct machine_function): Move to here ...
2553 * arm.c: ... from here.
2554 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
2555 (thumb_exit): Extra parameter eh_ofs. All callers changed.
2556 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
2558 2000-03-30 Nick Clifton <nickc@cygnus.com>
2560 * config/arm/semi.h (ASM_SPEC): Restore definition.
2561 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2563 * config/arm/elf.h (ASM_SPEC): Restore definition.
2564 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2566 * config/arm/arm.h (ASM_SPEC): Remove definition.
2567 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
2569 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
2571 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
2573 2000-03-24 Nick Clifton <nickc@cygnus.com>
2575 Various formating tidyups, elimination of compile time
2576 warnings and synchronisation with internal sources:
2578 * config/arm/arm-protos.h (assemble_align): Add prototype.
2579 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2580 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2581 (arm_return_addr_rtx): Rename to arm_return_addr.
2583 * config/arm/arm.c: Include except.h.
2584 Define shorter typenames for strict minipool_node and struct
2586 (arm_return_in_memory): For WinCE return all structures <= 32 bits
2588 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2589 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2591 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
2593 (ASM_SPEC): Define if not already defined.
2594 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
2596 * config/arm/arm.md: Rename references to gen_rotated_half_load to
2597 arm_gen_rotated_half_load, and references to gen_comapre_reg to
2598 arm_gen_compare_reg.
2599 (indirect_jump): Only accept register operands.
2600 (load_indirect_jump): Keep this pattern since combine can generate
2603 * config/arm/coff.h: Include aout.h.
2604 (MULTILIB_DEFAULTS): Only define if not already defined.
2606 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
2607 into arm.h (so that COFF ports can support thumb based aliases).
2608 (ASM_SPEC): Move definition into arm.h
2610 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
2611 redundant apcs spec.
2612 (ASM_SPEC): Move definition to arm.h
2614 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
2616 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
2617 for entries in the .bss section
2619 2000-03-23 Nick Clifton <nickc@cygnus.com>
2621 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
2622 to thumb_far_jump_used_p.
2624 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
2625 single integer parameter.
2627 * config/arm/arm.c (struct machine_function): Add two new
2628 fields, 'far_jump_used' and 'arg_pointer_live'.
2629 (thumb_far_jump_used_p): Once the decision has been made that
2630 far jumps might be used, always return true.
2631 If being called from the initial elimination offset macro then
2632 do not bother to perform the test if the arg pointer is not
2634 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
2635 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
2637 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
2639 * arm.c (output_return_instruction): Handle more cases where we can
2640 return from a function with an ldr instruction.
2641 (arm_output_epilogue): Likewise.
2643 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
2644 if we need to push a large stack frame and there are no callee-saved
2647 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
2648 in ARM code if the frame pointer has been eliminated.
2650 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
2651 unspec_volatile arguments to avoid duplicates.
2652 (consttable_1, consttable_2): Fixes for big-endian mode.
2654 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
2657 Re-write constant pool code.
2658 * arm.c (minipool_node, minipool_fix): New types.
2659 (minifix): Delete type.
2660 (arm_add_minipool_constant): Delete.
2661 (arm_compute_minipool_offsets, arm_find_barrier,
2662 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
2663 (get_jump_table_size): Now returns HOST_WIDE_INT.
2664 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
2666 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
2667 (assign_minipool_offsets, arm_print_value): Likewise.
2668 (dump_minipool): Rewrite.
2669 (arm_barrier_cost): New function.
2670 (create_fix_barrier): New function.
2671 (push_minipool_barrier): New function.
2672 (push_minipool_fix): Record additional information about the fixup
2674 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
2675 check the mode of what needs fixing.
2676 (arm_reorg): Rewrite.
2678 2000-03-08 Nick Clifton <nickc@cygnus.com>
2680 * config/arm/arm.md (indirect_jump): Force constant addresses into
2683 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
2685 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
2687 2000-02-24 Nick Clifton <nickc@cygnus.com>
2689 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
2690 adjust is word aligned.
2691 (thumb_expand_epilogue): Make sure that stack adjust is word
2694 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
2696 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
2698 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
2699 pointer relative addresses.
2701 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
2703 * arm.c (find_barrier): Find the last barrier within the allowed
2706 2000-02-09 Nick Clifton <nickc@cygnus.com>
2708 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
2710 2000-02-09 Nick Clifton <nickc@cygnus.com>
2712 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
2713 ARM_FUNCTION_PROFILER.
2715 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
2716 ARM_FUNCTION_PROFILER.
2718 * config/arm/linux-oldld.h: Imported from mainline sources.
2720 2000-02-07 Nick Clifton <nickc@cygnus.com>
2722 * config/arm/lib1funcs.asm: Merge in thumb functions from
2725 * config/arm/lib1thumb.asm: Delete.
2727 2000-02-04 Nick Clifton <nickc@cygnus.com>
2729 * config/arm/arm.c: Sychronised with current Red hat local
2731 * config/arm/arm.h: Ditto.
2732 * config/arm/arm-protos.h: Ditto.
2734 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
2736 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
2738 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
2741 2000-02-02 Nick Clifton <nickc@cygnus.com>
2743 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
2745 * config/arm/arm.md (epilogue): Fix rtl checking abort because
2746 (return) was emited using an emit_insn() call.
2748 2000-01-31 Nick Clifton <nickc@cygnus.com>
2750 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
2752 (thumb_exit): Move frame pointer back into hard frame pointer
2753 register if backtracing is being used.
2755 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
2757 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
2760 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
2762 * config/arm/arm.md (neg_pool_offset): Provide default for new
2764 (arm_movsi_insn): Add neg_pool_offset attribute.
2765 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
2766 rtx for the insn that starts the scan and an unsigned long for its
2767 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
2768 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
2769 instructions in *PINSERTED.
2770 (struct minipool_fixup): Add MIN_ADDRESS elt.
2771 (sort_fixups): Compute it.
2772 (arm_reorg): Changes to support inserting pools before the insn to be
2775 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
2777 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
2778 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
2779 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
2781 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
2783 * config/arm/semi.h (TARGET_VERSION): Do not define if already
2785 (TARGET_DEFAULT): Do not define if already defined.
2787 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
2789 * config/arm/arm.md (anddi3): Allow disjoint source operands.
2790 (iordi3): Allow disjoint source operands.
2791 (xordi3): Allow disjoint source operands.
2792 (negdi2): Permit construction for ARM and Thumb.
2793 (arm_negdi2): Renamed version of old negdi2 pattern.
2794 (thumb_negdi2): New pattern: Only permit non-overlapping
2795 source and destination.
2797 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
2799 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
2800 scratch low register so that it will not be deleted.
2802 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
2804 * config/arm/pe.h (ARM_PE): Define.
2806 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
2807 interfacearm attribute if this is a PE toolchain.
2808 (output_return_instruction): Do not emit anything if the function
2809 has the naked attribute set.
2810 (is_called_in_ARM_mode): If the function has the interfacearm
2811 attribute then return true.
2812 (thumb_expand_prologue): Do not generate a prologue for naked
2814 (thumb_expand_epilogue): Do not generate an epilogie for a naked
2816 (output_thumb_prologue): Do not bother if the function is naked.
2817 Strip PE encoding from function name before emitting.
2819 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
2821 * arm.md (pic_load_addr): Fix constraints.
2823 * arm.md (casesi_insn): Fix mis-applied patch.
2825 * arm.md ("core" function unit): Add rules for single- and
2827 (All TARGET_THUMB patterns): Add "type" attribute information
2829 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
2830 the following insn is a CALL.
2832 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
2834 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
2835 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
2836 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
2838 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
2840 * config/arm/linux-gas.h: oops - this file was missed out when the
2841 branch was created...
2843 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
2845 * thumb.c: Deleted. Move contents to ...
2847 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
2849 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
2852 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
2853 declare a prototype for asm_output_align();
2855 * arm.c (thumb_condition_code): Delete.
2856 (arm_print_operand): Always use arm_condition_code array.
2858 * arm.c (thumb_return_addr_rtx): Delete.
2859 (arm_save_machine_status, arm_restore_machine_status): Delete.
2860 (arm_init_machine_status, arm_mark_machine_status): New functions.
2861 (arm_init_expanders): Update accordingly.
2862 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
2863 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
2864 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
2866 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
2868 * configure.in : Fix arm-*-aout target to use new t-arm-aout
2870 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
2873 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
2875 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
2876 stack backtrace structure.
2878 * config/arm/arm-protos.h: Add prototypes for functions defined in
2881 * config/arm/arm.c (arm_override_options): Fix selection of
2882 attributes of default processor.
2884 * config/arm/coff.h: Delete needless #include.
2886 * config/arm/pe.c: Delete unused code.
2888 * config/arm/pe.h (CPP_DEFINES): Delete
2889 (SUBTARGET_CPP_SPEC): Define.
2890 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
2892 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
2894 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
2896 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
2898 (CAN_DEBUG_WITHOUT_FP): Define.
2899 (FIXED_REGISTERS): Make r11 call-saved.
2900 (CALL_USED_REGISTERS): Likewise.
2901 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
2902 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
2903 frame-pointer is required.
2904 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
2905 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
2906 if the target normally needs a stack frame in non-leaf functions.
2907 (use_return_insn): Correct logic for determining when a return
2908 instruction can be used.
2909 (output_return_instruction): Handle the frame-pointer register as
2910 a normal register when not TARGET_APCS_FRAME.
2911 (arm_output_prologue): Likewise.
2912 (arm_output_epilogue): Likewise.
2913 (output_func_epilogue): Likewise.
2914 (arm_expand_prologue): Likewise.
2915 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
2917 * arm.c (use_return_insn): No need to check floating point regs if
2919 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
2920 the code of value stored in the minipool array.
2921 (arm_add_minipool_constant): Likewise.
2923 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2925 * basic-block.h (conflict_graph_enum_fn): K&R fix.
2927 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2929 * tree.c (tree_expr_nonnegative_p): New function.
2931 * tree.h (tree_expr_nonnegative_p): Declare.
2933 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
2934 elide some sign_compare warnings.
2935 (build_conditional_expr): Likewise.
2937 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
2939 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
2941 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
2942 * i386.c (print_operand): Use the proper suffix for a 387 HImode
2943 operand. Abort if a 387 operand has an unsupported size.
2945 2000-04-08 Neil Booth <NeilB@earthling.net>
2947 * cppexp.c (parse_charconst): Null does not end character
2949 * cppinit.c (ISTABLE): Null character handled as whitespace.
2950 * cpplex.c (null_warning): new function.
2951 (skip_string): Emit warning if nulls encountered.
2952 (_cpp_skip_hspace): Emit warning if nulls encountered.
2953 (_cpp_lex_token): Emit warning if nulls encountered. Drop
2957 2000-04-07 Richard Henderson <rth@cygnus.com>
2959 * flow.c (loop_depth): Remove.
2960 (reg_next_use, cc0_live, mem_set_list): Replace with ...
2961 (struct propagate_block_info): New.
2962 (life_analysis): Don't allocate reg_next_use.
2963 (propagate_block_delete_insn): Break out of propagate_block.
2964 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
2965 (propagate_block_delete_libcall): Likewise.
2966 (propagate_block): Create a propagate_block_info struct to pass
2967 to subroutines. Allocate one not two temporary regsets. Don't
2968 clobber memory for const calls. Look for clobbers in
2969 CALL_INSN_FUNCTION_USAGE.
2970 (mark_set_regs): Recognize COND_EXEC.
2971 (mark_set_reg): Break out of mark_set_1.
2972 (mark_used_reg): Break out of mark_used_regs.
2973 (mark_used_regs): Recognize COND_EXEC.
2974 (insn_dead_p): Use propagate_block_info struct.
2975 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
2976 (find_auto_inc, try_pre_increment_1): Likewise.
2977 (print_rtl_with_bb): Dump regs live at end too.
2978 (count_reg_sets_1): Pass in loop_depth.
2979 (count_reg_sets, count_reg_references): Likewise.
2980 (recompute_reg_usage): Provide it.
2982 2000-04-07 Richard Henderson <rth@cygnus.com>
2984 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
2987 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
2989 * cpplib.c (do_elif): Skip the rest of the line if we're
2990 not going to bother evaluating it.
2991 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
2992 to avoid pointless calls to the lexer.
2994 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
2996 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
2998 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
3000 * calls.c (expand_call): emit_queue if we're trying a sibcall.
3002 2000-04-07 Jakub Jelinek <jakub@redhat.com>
3004 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
3006 2000-04-06 Geoff Keating <geoffk@cygnus.com>
3008 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
3009 crtend so they can be multilibbed.
3010 (STAGESTUFF): Remove s-crt and s-crtS.
3012 2000-04-07 Richard Henderson <rth@cygnus.com>
3014 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
3015 if we discover we need a pseudo and no_new_pseudos is true.
3016 * config/alpha/alpha.md (ne:DI insn): New.
3017 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
3019 2000-04-07 Richard Henderson <rth@cygnus.com>
3021 * rtl.def (COND_EXEC): New.
3022 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
3023 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
3025 * genconfig.c (have_cond_arith_flag): Remove.
3026 (have_cond_exec_flag): New.
3027 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
3028 (main): Print HAVE_conditional_execution.
3030 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
3031 (sched_analyze_insn, print_pattern): Likewise.
3032 * reload.c (find_equiv_reg): Likewise.
3033 * rtlanal.c (reg_referenced_p): Likewise.
3034 (note_stores, dead_or_set_regno_p): Likewise.
3035 (reg_overlap_mentioned_p): Rewrite to use a switch.
3037 * ggc.h (struct rtx_def): Forward declare.
3039 * print-rtl.c (debug_rtx_range): New.
3040 * rtl.h (debug_rtx_range): Declare.
3042 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
3044 * gcse.c (gcse_main): Don't rebuild the CFG here.
3045 (delete_null_pointer_checks): Likewise.
3046 * ssa.c (convert_to_ssa): Likewise.
3047 * toplev.c (rest_of_compilation): Do it here instead. Combine
3048 sequential calls to TIMEVAR. Consistently use `insns' instead of
3049 `get_insns()'. Always split insns after reload when optimizing.
3051 * basic-block.h (merge_blocks_nomove): Declare.
3052 (tidy_fallthru_edge): Declare.
3053 * flow.c (merge_blocks_nomove): Document as merging into previous
3054 blocks. Remove cruft from between blocks; remove all edges out of A.
3055 (tidy_fallthru_edge): Export.
3057 2000-04-06 Alex Samuel <samuel@codesourcery.com>
3059 * ssa.c (compute_conservative_reg_partition): Declare with
3061 * toplev.c (clean_dump_file): Remove previously-deleted function
3062 inadvertantly merged back in.
3063 * conflict.c (conflict_graph_add): Use a single call to
3064 htab_find_slot to look up and insert.
3066 2000-04-06 Richard Henderson <rth@cygnus.com>
3068 * genrecog.c (*): Rename _last_insn to last_insn.
3069 (make_insn_sequence): Set the position of the peephole2 C test
3070 to be at the last insn.
3072 2000-04-06 Richard Henderson <rth@cygnus.com>
3074 * flow.c (compute_flow_dominators): Free worklist.
3076 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
3078 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
3080 2000-04-06 Alex Samuel <samuel@codesourcery.com>
3082 * rtl.h (INSN_P): New macro.
3083 (successor_phi_fn): New typedef.
3084 (for_each_successor_phi): New prototype.
3085 (in_ssa_form): New variable.
3086 (PHI_NODE_P): Likewise.
3087 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
3088 phi nodes in successors.
3089 (mark_used_regs): Add PHI case.
3090 (set_phi_alternative_reg): New function.
3091 (life_analysis): Assert that dead code elimination is not selected
3093 * toplev.c (to_ssa_time): New variable.
3094 (from_ssa_time): Likewise.
3095 (compile_file): Zero to_ssa_time and from_ssa_time.
3096 Print time to convert to and from SSA.
3097 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
3098 (print_time): Compute percent fraction as integer.
3099 * ssa.c (PHI_NODE_P): Moved to rtl.h.
3100 (convert_to_ssa): Check if we're already in SSA.
3101 Don't eliminate dead code in life_analysis.
3102 Rerun flow and life analysis at bottom.
3103 (eliminate_phi): Use canonical regnos when adding nodes.
3104 (mark_reg_in_phi): New function.
3105 (mark_phi_and_copy_regs): Likewise.
3106 (convert_from_ssa): Rerun life analysis at top.
3107 Use coalesced partition.
3108 Check for removing a phi node at the end of the block.
3109 (compute_coalesced_reg_partition): New function.
3110 (coalesce_regs_in_copies): Likewise.
3111 (coalesce_reg_in_phi): Likewise.
3112 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
3113 (for_each_successor_phi): Likewise.
3114 (rename_context): New struct.
3115 (rename_block): Use a rename_context with rename_insn_1. When
3116 renaming sets of a subreg, emit a copy of the entire reg first.
3117 (rename_insn_1): Treat data as a rename_context *. Save current
3119 (rename_set_data): Add field set_insn.
3120 * Makefile.in (HASHTAB_H): Move up in file.
3121 (OBSTACK_H): New macro.
3122 (collect2.o): Use OBSTACK_H in dependencies.
3123 (sdbout.o): Likewise.
3124 (emit-rtl.o): Likewise.
3125 (simplify-rtx.o): Likewise.
3126 (fix-header.o): Likewise.
3127 (OBJS): Add conflict.o.
3128 (conflict.o): New rule.
3129 * basic-block.h: Include partition.h.
3130 (conflict_graph): New typedef.
3131 (conflict_graph_enum_fn): Likewise.
3132 (conflict_graph_new): New prototype.
3133 (conflict_graph_delete): Likewise.
3134 (conflict_graph_add): Likewise.
3135 (conflict_graph_conflict_p): Likewise.
3136 (conflict_graph_enum): Likewise.
3137 (conflict_graph_merge_regs): Likewise.
3138 (conflict_graph_print): Likewise.
3139 (conflict_graph_compute): Likewise.
3140 * conflict.c: New file.
3142 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
3144 * tlink.c (read_repo_files): Don't look for .rpo info for
3147 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3149 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
3151 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3153 * config/sh/lib1funcs.asm (___udivsi3_i4):
3154 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
3155 only depends on FMOVD_WORKS.
3157 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3159 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
3160 make double constant 8-byte aligned.
3162 2000-04-06 Jakub Jelinek <jakub@redhat.com>
3164 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
3165 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
3166 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
3167 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
3168 Accept storing GENERAL_REGS into offsetable memory.
3169 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
3170 building a TFmode constant other than 0.0L into GENERAL_REGS.
3172 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
3174 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
3176 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
3178 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
3179 (macro_cleanup): No need to cast pbuf->macro.
3180 (collect_expansion): Use _cpp_get_define_token. Goto done if
3181 it returns VSPACE. Remove check for trailing space after
3183 (_cpp_create_definition): Don't diddle flags here. Return
3185 (unsafe_chars): Handle c1 being EOF.
3186 (push_macro_expansion): Use unsafe_chars for both accidental-paste
3187 checks. Don't push the buffer till after we're done with
3189 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
3190 (PEEKN, FORWARD, GETC, PEEKC): Use them.
3191 (cpp_push_buffer): Don't set new->alimit. Set new->mark
3193 (_cpp_parse_assertion): Don't NUL terminate.
3194 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
3195 hspace before calling _cpp_parse_assertion. Remove all sets
3196 of only_seen_white. Treat '\f' as hspace. Don't do anything
3197 special with '\n' here.
3198 (maybe_macroexpand): Handle T_EMPTY hash entries without
3199 pushing a buffer at all.
3200 (cpp_get_token): Handle clearing only_seen_white here. Handle
3201 incrementing the line number here. Clear
3202 potential_control_macro as well as only_seen_white, if
3204 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
3205 (_cpp_get_define_token): New function, basically like
3206 _cpp_get_directive_token was but doesn't eat horizontal space.
3207 Don't do anything with only_seen_white here.
3208 (_cpp_get_directive_token): Just call _cpp_get_define_token
3209 repeatedly till it returns non-hspace.
3211 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
3212 (conditional_skip, skip_if_group): Return int.
3213 (DIRECTIVE_TABLE): Change origin of all conditional directives
3215 (TRAD_DIRECT_P): New macro.
3216 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
3217 an error for a bogus directive, unless -lang-asm. Use
3218 TRAD_DIRECT_P. Loop calling handler functions till one returns
3220 (get_macro_name): Don't diddle flags here.
3221 (do_define): Diddle flags here. Use _cpp_get_directive_token.
3222 Create T_EMPTY nodes for #define macro /* nothing */.
3223 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
3224 Use hp->name when calling pass_thru_directive.
3225 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
3226 Return the result of conditional_skip and/or skip_if_group.
3227 Don't call _cpp_output_line_command.
3228 (consider_directive_while_skipping): Use _cpp_get_directive_token.
3229 Issue -Wtraditional warnings as appropriate. Don't complain
3230 about unrecognized directives. If we are to stop skipping,
3231 return the number of the directive that ended the skip.
3232 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
3233 expansion and line commands while skipping. Return the result
3234 of consider_directive_while_skipping, if nonzero.
3235 (do_endif): Just set potential_control_macro here.
3236 (validate_else): Use _cpp_get_directive_token.
3237 (do_assert, do_unassert): Don't save pointers into the
3238 token_buffer across calls to the lexer. Use
3239 _cpp_get_directive_token.
3241 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
3242 pointer, not an offset. Replace 'data', which was a generic
3243 pointer, with 'macro', which points to a struct hashnode.
3244 (cpp_reader): Add 'potential_control_macro' pointer.
3245 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
3246 (CPP_BUF_GET, CPP_FORWARD): Delete.
3247 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
3248 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
3249 ACTIVE_MARK_P): Update.
3250 (_cpp_get_define_token): New internal function.
3251 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
3253 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
3255 * configure.in: And here.
3256 * configure: Regenerate.
3257 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
3258 --enable-libstdcxx-v3 is passed at configure time.
3259 * config.h.in: Regenerate.
3261 2000-04-05 Mark Mitchell <mark@codesourcery.com>
3263 * final.c (final): Use xcalloc to allocate line_note_exists.
3264 * function.c (free_after_compilation): Free the temp_slots.
3265 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
3266 (combine_temp_slot): Free temp_slots when they get combined.
3267 (purge_addressof): Fix typo in comment.
3268 * stmt.c (mark_goto_fixup): Mark the fixup itself.
3269 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
3271 * ggc.h: Include varray.h.
3272 (ggc_pending_trees): Declare.
3273 (ggc_mark_tree_children): Remove declaration.
3274 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
3275 * ggc-common.c (ggc_pending_trees): New variable.
3276 (ggc_mark_roots): Call ggc_mark_trees.
3277 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
3278 the ggc_pending_trees.
3279 * Makefile.in (GGC_H): New variable. Use it throughout in place
3282 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3284 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
3287 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3289 * sh.c (sh_insn_length_adjustment): New function.
3290 * sh-protos.h (sh_insn_length_adjustment): Declare.
3291 * sh.h (ADJUST_INSN_LENGTH): Use it.
3293 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
3295 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
3296 from the insn where REG_RETVAL is added.
3297 (emit_no_conflict_block): Ditto.
3299 * md.texi (Standard Names): Clarify when movX is needed.
3301 * combine.c (simplify_comparison) [MINUS]: Do not replace
3302 all (op (minus A B) 0) with (op A B).
3304 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
3305 J"orn Rennecke <amylaar@cygnus.co.uk>
3307 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
3308 (block_lump_real): Likewise.
3310 2000-04-05 Chris Demetriou <cgd@netbsd.org>
3312 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
3313 remaining non-zero debugging masks.
3315 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
3317 * basic-block.h (verify_flow_info): Declare.
3318 (flow_loop_outside_edge_p): Declare.
3319 * flow.c (verify_flow_info): Remove declaration.
3320 (clear_log_links, flow_loop_outside_edge_p): Likewise.
3322 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
3324 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
3327 2000-04-05 Jakub Jelinek <jakub@redhat.com>
3329 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
3330 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
3331 seqdi_zero_trunc+1): Allow splits only if registers are
3334 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
3336 * acconfig.h: Add HAVE_GAS_HIDDEN.
3337 * config.in: Regenerated.
3338 * configure.in: Add test for .hidden pseudo-op in gas.
3339 * configure: Regenerated.
3340 * crtstuff.c: Include auto-host.h.
3341 Emit additional .hidden pseudo-op for __dso_handle if the
3342 assembler knows about it.
3344 2000-04-04 Philippe De Muyter <phdm@macqel.be>
3346 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
3347 before freeing argnames.
3348 * cpplib.c (do_ifndef): Cast return value of xstrdup.
3350 2000-04-05 Michael Meissner <meissner@redhat.com>
3352 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
3353 Walton <jonboy@gordian.com> to make memory references with update
3354 work wtih -mregnames.
3356 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3358 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
3359 (regrename_optimize): Rename variables `def_uses' and
3360 `ext_basic_blocks' to avoid conflicts with similarly named
3361 typedefs in traditional C.
3363 * calls.c (initialize_argument_information): Fix typo in previous
3366 2000-04-04 Richard Henderson <rth@cygnus.com>
3368 * regrename.c (consider_available): Test fixed_regs not
3369 PIC_OFFSET_TABLE_REGNUM.
3371 2000-04-04 Geoff Keating <geoffk@cygnus.com>
3373 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
3375 (CRTSTUFF_T_CFLAGS_S): Delete definition.
3376 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
3377 (ENDFILE_LINUX_SPEC): Always use crtend.
3378 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
3379 (powerpc-*-linux-gnu): Likewise.
3380 * configure: Regenerate.
3382 * config/rs6000/eabi.h: Don't include sysv4.h.
3383 (MULTILIB_DEFAULTS): Don't define.
3384 * config/rs6000/eabiaix.h: Don't include eabi.h.
3385 * config/rs6000/eabile.h: Delete.
3386 * config/rs6000/eabilesim.h: Delete.
3387 * config/rs6000/eabisim.h: Don't include eabi.h.
3388 * config/rs6000/linux.h: Don't include sysv4.h.
3389 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
3390 (MULTILIB_DEFAULTS): Don't redefine.
3391 * config/rs6000/rtems.h: Don't include eabi.h.
3392 * config/rs6000/sol2.h: Don't include sysv4le.h.
3393 * config/rs6000/sysv4le.h: Don't include sysv4.h.
3394 * config/rs6000/t-ppc: Delete.
3395 * config/rs6000/t-ppcgas: Correct comment.
3396 * config/rs6000/t-ppcos: Correct comment. Don't build
3397 multilibs for -fPIC, rather use -fPIC -mstrict-align
3399 * config/rs6000/t-ppc: Delete.
3400 * config/rs6000/vxppc.h: Don't include sysv4.h.
3401 * config/rs6000/vxppcle.h: Delete.
3402 * configure.in: Use multiple header files for p2pc ELF targets
3403 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
3404 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
3405 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
3406 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
3407 always available for these platforms.
3409 2000-04-04 Richard Henderson <rth@cygnus.com>
3411 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
3413 2000-04-04 Stan Cox <scox@cygnus.com>
3415 * Makefile.in: Add rules for regrename.o
3416 * regrename.c: New file.
3417 * rtl.h (regrename_optimize): Add prototype.
3418 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
3419 (compile_file, decode_d_option): Add support for -frename-registers.
3420 (rest_of_compilation): Call regrename_optimize.
3421 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
3424 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3426 * Makefile (gccbug): New target.
3427 (doc): Depend on it.
3428 * gcc.texi (Bugs): Link subnodes.
3430 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
3431 Document severities, priorities, and classes in bug form.
3433 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
3435 * cpplex.c (trigraph_map, speccase): Combine into single
3437 (NORMAL, NONTRI): New macros.
3438 (_cpp_read_and_prescan): Change to use unified table. Use
3439 is_hspace to test for whitespace.
3441 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
3442 definition that doesn't provoke the "empty body in an
3443 if-statement" warning.
3445 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
3447 * builtins.c (expand_builtin_strlen): Force the source to
3448 be a memory address.
3450 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3452 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
3454 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
3456 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
3457 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
3458 (ECF_IS_CONST): Rename to ECF_CONST.
3459 (special_function_p): Make static, change interface.
3460 (flags_from_decl_or_type, try_to_integrate): Break out from ...
3461 (expand_call) ... here; convert number of variables to flags.
3462 (emit_library_call_vlue_1): Likewise.
3463 (setjmp_call_p): New function.
3464 (initialize_argument_information): Accepts flags as argument;
3466 (precompute_arguments): Likewise.
3467 * tree.h (special_function_p): Remove.
3468 (setjmp_call_p): Add prototype.
3470 2000-04-04 Jakub Jelinek <jakub@redhat.com>
3472 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
3473 so that addresses are offsetable by up to 16 bytes.
3474 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
3475 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
3478 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
3479 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
3480 (movsf): Don't force any constant to memory if target is integer
3482 Move fp_zero_operand check below the const0_rtx check.
3483 (movtf): Likewise. Also allow fp_zero_operand for stores into
3485 (movdf): Likewise. Also allow fp_zero_operand for stores into
3486 memory and into integer hard registers.
3487 (clear_df, clear_dfp, movdf_const_intreg_sp32,
3488 movdf_const_intreg_sp64): Remove.
3489 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
3491 (movdf_no_e_insn_v9_sp32): New pattern.
3492 (movdf_insn_v9only): Remove.
3493 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
3494 (movdf_insn_sp64): Remove.
3495 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
3496 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
3497 (following splits): Rewrite conditions. Add two new splits
3498 for storing 0.0 into memory and registers.
3499 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
3500 (movtf_insn_sp32): Redo constraints and conditions.
3501 (movtf_insn_vis_sp32): New pattern.
3502 (movtf_no_e_insn_sp32): Redo constraints and conditions.
3503 (movtf_insn_hq_sp64): Likewise.
3504 (movtf_insn_hq_vis_sp64): New pattern.
3505 (movtf_insn_sp64): Redo constraints and conditions.
3506 (movtf_insn_vis_sp64): New pattern.
3507 (movtf_no_e_insn_sp64): Redo constraints and conditions.
3508 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
3510 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
3511 -mvis or -m64 to take down the number of various reload patterns.
3513 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
3515 * pa/pa-64.h: New file.
3516 * pa/pa64-regs.h: New file.
3517 * pa/pa64-start.h: New file.
3518 * pa/t-pa64: New file.
3519 * pa/xm-pa64hpux.h: New file.
3521 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3523 * sparc.c (output_restore_regs): Prototype.
3524 (sparc_emit_float_lib_cmp): Constification.
3526 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
3528 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
3531 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
3532 (get_value_hash, hash_rtx): Likewise.
3534 * ssa.c (compute_conservative_reg_partition): Prototype.
3536 * tree.c (mark_hash_entry): Prototype.
3538 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
3540 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
3541 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
3542 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
3544 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
3545 * objc/lang-specs.h: Likewise.
3547 2000-04-03 Neil Booth <NeilB@earthling.net>
3549 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
3550 and SYNTAX_ERROR2. Replace `' in messages with ''.
3551 (op_to_str): Make re-entrant.
3552 (_cpp_parse_expr): Implement new error macros. Use | rather
3553 than || to logically or 2 boolean integers. Simply expression
3554 checking we have a left operand iff needed.
3556 2000-04-03 Nick Clifton <nickc@cygnus.com>
3558 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
3560 2000-04-03 Philip Blundell <philb@gnu.org>
3562 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
3564 2000-04-03 Felix Lee <flee@cygnus.com>
3566 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
3567 (run_shell): Use it.
3569 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
3571 * Makefile.in (stmp-int-hdrs): Make include subdir here...
3572 (stmp-fixproto): ...rather than here.
3574 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
3576 * pa.c (print_operand): Compute 'base' only inside the code paths
3579 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
3581 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
3584 2000-04-03 Philipp Thomas <pthomas@suse.de>
3586 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
3588 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
3590 * Makefile.in (alias.o): Depend on $(TREE_H).
3592 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
3594 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
3596 * cpplib.c (_cpp_handle_directive): Improve warnings for
3597 traditional C and indented directives.
3599 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
3600 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
3601 fixinc/inclhack.def: Indent the # of #include_next one space.
3602 * cp/rtti.c: Un-indent #if and #endif.
3604 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
3605 syntax error, but an error has already been printed.
3606 * cpplex.c (_cpp_parse_assertion): Give a more specific error
3607 message when called with nothing remaining on the line.
3608 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
3609 OTHER token, not an ASSERTION.
3610 * cpplib.c (do_assert): When we create a 'base' node, clear
3611 its aschain pointer.
3613 2000-04-02 Neil Booth <NeilB@earthling.net>
3615 * cppexp.c: New typedef op_t. struct operation and struct
3616 token updated to use it.
3617 (op_to_str): New function.
3618 (_cpp_parse_expr): Error messages modified to use op_to_str.
3620 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3622 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
3623 before checking MUST_PASS_IN_STACK.
3625 2000-04-02 Neil Booth <NeilB@earthling.net>
3627 * cppexp.c: New FINISHED dummy token. Combine operator initial
3628 flags and initial priority into a single constant. New
3629 EQUALITY macro. New operator flag SHORT_CIRCUIT.
3630 (_parse_cpp_expr): Implement new constants. Take left operand
3631 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
3632 parse indicated by reducing FINISHED token. Remove new lines
3633 from cpp_error messages.
3635 2000-04-01 Mark Mitchell <mark@codesourcery.com>
3637 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
3640 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
3642 * cpplib.c: Include symcat.h. Add 'origin' field to struct
3643 directive. Add origin values to DIRECTIVE_TABLE. Generate
3644 the strings and function names on the fly. Take the #sccs
3645 entry out of the table if SCCS_DIRECTIVE is not defined.
3646 (_cpp_handle_directive): Decide if the # was at the beginning
3647 of the line here. Issue -pedantic warnings for extended
3648 directives here. Warn about K+R directives with the #
3649 indented, and C89/extended directives with the # not indented,
3651 (do_import, do_include_next, do_warning, do_ident, do_sccs,
3652 do_assert, do_unassert): Don't issue pedantic warning here.
3654 * cpphash.h: Add CPP_WTRADITIONAL macro.
3655 * cpplib.h (struct cpp_options): Rename warn_stringify to
3656 warn_traditional; update comments.
3657 * cppinit.c (handle_option): Set warn_traditional not
3659 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
3660 CPP_WTRADITIONAL (pfile).
3661 * cpplex.c (_cpp_lex_token): Don't decide if directives should
3662 be ignored in -traditional mode here.
3664 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
3665 to initialize speccase[] and trigraph_map[]. Delete all
3666 references to pfile->input_speccase. Always treat '?' as a
3667 special character. Remove table-initialization code from
3668 _cpp_init_input_buffer.
3670 * cpplib.h (struct cpp_reader): Remove input_speccase field.
3671 * cppinit.c (cpp_cleanup): Don't free input_speccase.
3673 2000-04-01 Richard Henderson <rth@cygnus.com>
3675 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
3676 (mostlyclean): Likewise.
3678 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
3679 (struct dump_file_info, enum dump_file_index, dump_file): New.
3680 (open_dump_file): Take a dump_file_index not a suffix, and a decl
3681 not a string. Clean out file if we havn't yet done so. Do nothing
3682 if the dump isn't enabled.
3683 (close_dump_file): Do nothing if the dump isn't open. Dump
3684 graph data if requested.
3685 (dump_rtl, clean_dump_file): Remove.
3686 (compile_file): Don't clean the dump files. Only finalize .bp dump
3687 if flag_test_coverage or flag_branch_probabilities. Only finalize
3688 .combine dump if optimizing. Iterate over dump_file to finalize the
3690 (rest_of_compilation): Update for open_dump_file/close_dump_file.
3691 Convert all uses of dump_rtl.
3692 (decode_d_option): Iterate over dump_file to implement 'a' and to
3693 locate pass-specific dumps.
3695 2000-04-01 Neil Booth <NeilB@earthling.net>
3697 * cppexp.c: Redefine priority constants.
3698 (_cpp_parse_expr): Replace left and right priority scheme with
3699 single priority logic. Move LOGICAL to same place as COMPARE.
3700 Remove bogus check for multiple unary +/- operators.
3702 2000-04-01 Neil Booth <NeilB@earthling.net>
3704 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
3705 within the switch statement. Binary operations break out of
3706 the switch naturally. '(' tokens handled by forcing
3707 immediate shift. ')' handled by forcing immediate reduce to
3708 the previous '('. New error messages.
3710 2000-03-31 Geoff Keating <geoffk@cygnus.com>
3712 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
3713 part', it's already in use. Use %K instead. Add a return at the
3714 end of what is now %K.
3715 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
3717 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
3719 * builtins.c (expand_builtin_apply): Pass proper parameters to
3720 allocate_dynamic_stack_space.
3721 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
3722 update stack_pointer_delta; do not update arg_size_so_far.
3723 (compute_argument_block_size): Use stack_delta instead of
3724 stack_pointer_pending and arg_size_so_far.
3725 (expand_call): Add sanity checking for stack_pointer_delta;
3726 save and restore stack_pointer_delta for SIB, use
3727 stack_pointer_delta for alignment; do not update arg_space_so_far.
3728 (emit_library_call_value): Use stack_pointer_delta for alignment.
3729 (store_one_arg): Do not update arg_space_so_far.
3730 * explow.c (adjust_stack, anti_adjust_stack): Update
3731 stack_pointer_delta.
3732 (allocate_dynamic_stack_space): Add sanity checking for
3733 stack_pointer_delta.
3734 * expr.c (init_expr, clear_pending_stack_adjust): Clear
3735 stack_pointer_delta.
3736 (emit_push_insn): Update stack_pointer_delta.
3737 * function.h (struct expr_status): Add x_stack_pointer_delta;
3738 remove x_arg_space_so_far.
3739 (arg_space_so_far): Remove.
3740 (stack_pointer_delta): New macro.
3742 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
3744 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
3745 Reorder struct cpp_options and struct cpp_reader for better
3746 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
3747 takes two args. Change all 'char' flags to 'unsigned char'.
3748 Move show_column flag into struct cpp_options. Don't
3749 prototype cpp_options_init.
3750 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
3751 cppinit.c, cpplex.c, cpplib.c:
3752 Replace CPP_OPTIONS (pfile)->whatever with
3753 CPP_OPTION (pfile, whatever), and likewise for
3754 opts = CPP_OPTIONS (pfile); ... opts->whatever;
3756 * cppinit.c (merge_include_chains): Take a cpp_reader *.
3757 Extract CPP_OPTION (pfile, pending) and work with that
3759 (cpp_options_init): Delete.
3760 (cpp_reader_init): Turn on on-by-default options here.
3761 Allocate the pending structure here.
3762 (cl_options, enum opt_code): Define these from the same table,
3763 kept in a large macro. Add -fshow-column and -fno-show-column
3766 * cpperror.c (v_message): If show_column is off, don't print
3769 * cppmain.c: Update for new interface.
3770 * fix-header.c: Likewise.
3772 2000-03-30 Geoff Keating <geoffk@cygnus.com>
3774 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
3776 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
3777 are passed to any invocation of AR_FOR_TARGET.
3778 (AR_CREATE_FOR_TARGET): New macro.
3779 (AR_EXTRACT_FOR_TARGET): New macro.
3780 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
3781 AR_EXTRACT_FOR_TARGET.
3782 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
3783 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
3784 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
3785 AR_EXTRACT_FOR_TARGET to sub-makes.
3787 2000-03-31 Neil Booth <NeilB@earthling.net>
3789 * cppexp.c: Delete SKIP_OPERAND. Correct priority
3791 (_cpp_parse_expr): Check for multiple unary +/- operators.
3792 Correct priorities of ':' and '?'. Treat ')' as having a
3793 value. Ensure conditional expression is not void.
3795 2000-03-31 Mark Mitchell <mark@codesourcery.com>
3797 * alias.c (canon_rtx): Make it global.
3798 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
3800 * cse.c (struct table_elt): Add canon_exp.
3802 (invalidate): Canonicalize expressions only once.
3803 * rtl.h (canon_rtx): Declare.
3805 2000-03-30 Mark Mitchell <mark@codesourcery.com>
3807 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
3808 * alias.c (reg_known_value): Add comments.
3809 (init_alias_analysis): Likewise.
3810 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
3812 (cse_basic_block): Fix typo in comment.
3813 * emit-rtl.c: Include hashtab.h.
3814 (const_int_htab): New variable.
3815 (const_int_htab_hash): New function.
3816 (const_int_htab_eq): Likewise.
3817 (rtx_htab_mark_1): Likewise.
3818 (rtx_htab_mark): Likewise.
3819 (gen_rtx_CONST_INT): Cache all CONST_INTs.
3820 (unshare_all_rtx): Fix formatting.
3821 (init_emit_once): Initialize const_int_htab.
3822 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
3824 * rtl.texi: Document the fact that all CONST_INTs with the same
3827 2000-03-30 Richard Henderson <rth@cygnus.com>
3829 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
3831 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
3833 * configure.in: Comment out --enable-c-cpplib stanza.
3834 * configure: Regenerate.
3836 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3838 * expr.c (store_constructor): Properly compute displacement and
3839 alignment when offset is variable.
3841 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
3842 cases of alignment in bytes.
3844 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
3846 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
3847 since it is used to generate c-parse.y.
3848 * objc-parse.c, objc-parse.y: Regenerated.
3850 * function.c (expand_function_end): Pass alignment argument to
3851 emit_block_move in bits, not bytes.
3853 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3855 * expr.c (move_by_pieces_ninsns): Fix one more missing align
3858 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
3860 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
3861 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
3862 * function.c (assign_parms): Likewise.
3863 * integrate.c (expand_inline_function): Likewise.
3864 * stmt.c (expand_decl): Likewise.
3865 (copy_rtx_and_substitute): Likewise.
3866 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
3867 (clear_by_pieces): Fix error in last change.
3868 * emit-rtl.c (init_emit): Set known registers alignment in bits.
3869 * function.h (regno_pointer_align): Now unsigned.
3870 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
3872 * config/i386/i386.c (aligned_operand): Likewise.
3873 * config/sparc/sparc.c (mem_min_alignment): Likewise.
3874 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
3875 (unaligned_memory_operand): Likewise.
3876 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
3877 Also make alignments and sizes unsigned and some whitespace cleanup.
3878 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
3880 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
3881 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
3882 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
3883 (expand_builtin_memset): Likewise, but to clear_storage.
3884 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
3885 (restore_fixed_argument_area): Likewise.
3886 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
3887 (load_register_parameters): Likewise, to emit_group_load.
3888 (expand_call): Likewise, to emit_group_store and emit_block_move.
3889 (emit_library_call_value_1): Likewise, to emit_block_move.
3890 (store_one_arg): Likewise, and to emit_push_insn.
3891 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
3892 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
3893 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
3894 (emit_block_move, emit_group_load, emit_group_store): Likewise.
3895 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
3896 (expand_assigment, store_expr, store_constructor_field): Likewise.
3897 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
3898 (store_constructor, store_field, get_inner_reference): Likewise.
3899 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
3900 (expand_expr, case COMPONENT_REF): Likewise.
3901 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
3902 and positions; reindent code.
3903 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
3904 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
3905 (assign_parms): Likewise to emit_group_store.
3906 * optabs.c (prepare_cmp_insn): Alignment is in bits.
3907 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
3908 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
3909 (expand_return): Likewise to {extract,store}_bit_field.
3910 * stor-layout.c (get_mode_alignment): Minor cleanup.
3911 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
3912 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
3914 2000-03-29 Nick Clifton <nickc@cygnus.com>
3916 * config/arm/arm.h: Undo effects of previous delta:
3917 (ASM_SPEC): Do not define.
3918 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
3920 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
3923 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3925 * cppinit.c (cpp_start_read): Call initialize_dependency_output
3926 only after reading in the primary source file.
3928 2000-03-29 Geoff Keating <geoffk@cygnus.com>
3930 * c-common.c (c_common_nodes_and_builtins): The first parameter to
3931 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
3932 or a reference to a va_list.
3933 * builtins.c (stabilize_va_list): Simplify now we don't have to
3934 work around C array address decay.
3935 * c-typeck.c (convert_for_assignment): Handle assignment to
3936 a reference parameter by taking the address of the RHS.
3937 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
3938 (va_copy): Likewise.
3939 (__va_copy): Likewise.
3940 * ginclude/varargs.h (va_start): Likewise.
3941 (__va_copy): Likewise.
3943 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
3945 * i386/djgpp.h: Remove extraneous "+".
3947 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
3949 * calls.c (expand_call): Fix typo in last change.
3951 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
3953 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
3956 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3958 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
3959 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
3960 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
3961 * tree.c (bit_position, byte_position): Likewise.
3962 * tree.h: Declare new functions.
3964 2000-03-29 Nick Clifton <nickc@cygnus.com>
3966 * config/arm/arm.c: Minor formatting changes/
3967 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
3969 (ASM_SPEC): Define if not already defined.
3971 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3973 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
3976 2000-03-29 Jakub Jelinek <jakub@redhat.com>
3978 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
3979 value, don't output it as unsigned.
3981 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
3983 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
3985 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3987 * c-common.c (c_common_nodes_and_builtins): Don't special case
3988 cplus_mode when declaring builtin bzero/bcmp, always avoid
3989 prototype arguments.
3991 2000-03-29 Bruce Korb <bkorb@gnu.org>
3993 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
3996 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
3998 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
3999 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
4000 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
4001 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
4002 (save_fixed_argument_area, restore_fixed_argument_area):
4003 conditionize by #ifdef REG_PARM_STACK_SPACE only.
4004 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
4005 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
4006 (precompute_register_parameters): Avoid #ifdefs on
4007 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
4008 (stire_one_args): Likewise.
4009 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
4010 (emit_library_call_value_1): Likewise.
4011 (compute_argument_block_size): Align to STACK_BOUNDARY only for
4012 ACCUMULATE_OUTGOING_ARGS.
4013 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
4015 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
4016 (use_crosses_set_p): Likewise.
4017 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
4018 #define ACCUMULATE_OUTGOING_ARGS 1.
4019 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
4021 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
4023 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
4024 (TARGET_SWITCHES): Add push-args, no-push-args,
4025 accumulate-outgoing-args and no-accumulate-outgoing-args.
4026 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
4027 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
4028 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
4030 (emit_push_insn): Likewise.
4031 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
4032 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
4033 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
4034 (STACK_DYNAMIC_OFFSET): Define correctly for both
4035 ACCUMULATE_OUTGOING_ARGS and normal mode.
4036 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
4037 * tm.texi (PUSH_ARGS): Document.
4038 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
4040 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
4042 * flags.h (flag_optimize_sibling_calls): Declare.
4043 * calls.c (expand_call): Fail sibcall when
4044 !flag_optimize_sibling_calls
4045 * invoke.texi (flag_optimize_sibling_calls): Document.
4046 * toplev.c (flag_optimize_sibling_calls): New global variable.
4047 (f_options): Add flag_optimize_sibling_calls.
4048 (rest_of_compilation): Conditionize
4049 optimize_sibling_and_tail_recursive_calls by
4050 flag_optimize_sibling_calls.
4051 (main): Set flag_optimize_sibling_calls for -O2.
4052 * stmt.c (expand_return): Conditionize tail recursion by
4053 flag_optimize_sibling_calls.
4055 2000-03-29 Richard Henderson <rth@cygnus.com>
4057 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
4058 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
4060 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
4062 * except.c (add_eh_table_entry): Mark type_info's as referenced.
4064 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4066 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
4068 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
4069 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
4070 * config/rs6000/aix.h: then modified likewise.
4072 2000-03-28 Richard Henderson <rth@cygnus.com>
4074 * rtl.h: Redistribute enum reg_note documentation.
4075 Kill trailing whitespace.
4076 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
4077 Kill trailing whitespace.
4079 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
4081 * cppfiles.c (hash_IHASH): Just return i->hash.
4082 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
4083 htab_find_with_hash.
4084 (cpp_read_file): Likewise.
4085 (find_include_file): Likewise. Properly initialize
4086 ih->nshort. Share ih->name and ih->nshort if possible.
4087 * cpphash.c (_cpp_calc_hash): New function.
4088 (hash_HASHNODE): Just return h->hash.
4089 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
4090 htab_find_with_hash.
4091 * cpphash.h: Prototype _cpp_calc_hash.
4092 * cppinit.c (initialize_builtins): Provide a valid hash
4093 to _cpp_make_hashnode, using _cpp_calc_hash.
4095 * cpphash.c (collect_expansion): # is not a special character
4096 in object-like macros. In -traditional mode, /**/ is not
4097 token paste at the beginning or end of the line.
4098 * cpplib.c (do_include, do_import, do_include_next): If
4099 parse_include fails, return immediately.
4101 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
4103 * config/arm/arm.md (return peepholes): Update to reflect the new
4105 * config/arm/arm.c (arm_volatile_func): Also check
4106 current_function_nothrow.
4107 (output_return_instruction, output_func_prologue): Use it.
4108 (arm_output_epilogue, arm_expand_prologue): Likewise.
4110 2000-03-27 Tom Tromey <tromey@cygnus.com>
4112 * gcc.c (handle_braces): In {x*...} case, break out of loop if
4115 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4117 * expr.c (store_constructor): SIZE now signed.
4118 For EXPR_SIZE, don't evaluate size; just needed if constant.
4119 * fold-const.c (fold): Fix a number of cases when folded tree is
4121 * function.c (flush_addressof): Reenable.
4122 * tree.h (flush_addressof): Likewise.
4123 * toplev.c (independent_decode_option): Look at strings_processed.
4124 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
4126 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
4128 * sibcall.c (indentify_call_return_value): Find last call in the chain;
4129 Allow stack adjustment after function call.
4131 * regmove.c (struct csa_memlist): Make mem field rtx *.
4132 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
4133 (try_apply_stack_adjustment): Replace whole MEM rtx.
4134 (combine_stack_adjustments_for_block): Update calls
4135 to record_one_stack_ref.
4137 2000-03-28 Neil Booth <NeilB@earthling.net>
4139 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
4140 '\\' rather than a null character, so nulls are not special. Fix
4141 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
4142 speed trigraph conversion.
4143 (_cpp_init_input_buffer): Initialize trigraph map.
4145 2000-03-27 Alan Modra <alan@linuxcare.com.au>
4147 * config/i386/i386.c (output_387_binary_op): Correct intel
4148 mode assembly output, and add spaces after commas in AT&T
4149 output. Correct Unixware assembler comment. Document input
4150 constraints. Comment fp operations. Reduce profligate buffer
4151 size. Remove extraneous abort. Localize temp var.
4152 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
4153 (output_fix_trunc): Add spaces after commas in assembly output.
4155 2000-03-27 Richard Henderson <rth@cygnus.com>
4157 * i386-protos.h (ix86_match_ccmode): Declare.
4158 * i386.c (ix86_match_ccmode): New.
4159 (ix86_expand_fp_compare): Update for pattern renames.
4160 (ix86_expand_strlensi_unroll_1): Likewise.
4161 * i386.h (EXTRA_CC_MODES): Add CCZ.
4162 (SELECT_CC_MODE): Use it for EQ/NE zero.
4163 * i386.md (cmpsi_ccz_1): New.
4165 (*testsi_ccz_1): New.
4166 (testqi_ccz_1): New.
4167 (cmpsi_ccno_1): Rename from cmpsi_0.
4168 (testsi_ccno_1): Rename from testsi_1.
4169 (testqi_ccno_1): Rename from testqi_1.
4170 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
4171 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
4172 (*cmphi_0): Use ix86_match_ccmode.
4173 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
4174 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
4175 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
4176 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
4177 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
4178 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
4179 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
4180 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
4181 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
4182 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
4183 (appropriate peepholes): Likewise.
4184 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
4185 (*subsi_3, *subhi_3, *subqi_3): Remove.
4186 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
4187 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
4188 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
4189 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
4190 (x86_shift_adj_1): Use CCZ.
4191 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
4193 2000-03-27 Stan Cox <scox@cygnus.com>
4195 * resource.h (mark_resource_type): New.
4196 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
4197 find_free_register): Use mark_resource_type.
4198 (mark_set_resources): Change include_delayed_effects
4199 to mark_resource_type.
4200 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
4201 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
4202 Use mark_resource_type.
4204 2000-03-27 Richard Henderson <rth@cygnus.com>
4206 * i386.md (call_pop_0, call_value_pop_0): New.
4207 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
4208 (call_value_pop_1): Likewise.
4209 (call_0, call_value_0): New.
4210 (call_1, call_value_1): Remove constraint from unused arg.
4212 2000-03-27 Nick Clifton <nickc@cygnus.com>
4214 * invoke.texi (Spec Files): Document new spec % command created by
4215 Tom Tromey's recent patch.
4217 2000-03-27 Jakub Jelinek <jakub@redhat.com>
4219 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
4222 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4224 * expr.c (expand_assignment): Fix typo in last change.
4226 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
4228 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4230 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
4231 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
4232 and DECL_INLINE if FUNCTION_DECL.
4233 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
4234 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
4235 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
4236 (combine_parm_decls): Likewise.
4237 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
4238 * print-tree.c (print_node): Likewise.
4239 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
4240 DECL_TRANSPARENT_UNION on proper decl types.
4241 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
4242 * stor-layout.c (layout_decl): Only check DECL_PACKED and
4243 DECL_BIT_FIELD of FIELD_DECL.
4244 * tree.h (DECL_RESULT_FLD): New macro.
4246 * expr.c (expand_assignment): Add code to handle variable-sized
4249 2000-03-26 Richard Henderson <rth@cygnus.com>
4251 * calls.c (expand_call): Pass parms not original exp to
4252 optimize_tail_recursion. Mind return value instead of looking
4254 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
4255 call_expr. Move checks for call_expr and current_function_decl ...
4256 (expand_return): ... here.
4258 2000-03-26 Tom Tromey <tromey@cygnus.com>
4260 * gcc.c (handle_braces): Recognize `%{<S}' construct.
4261 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
4263 (process_command): Use them.
4264 (check_live_switch): Likewise.
4265 (give_switch): Skip ignored switches.
4267 2000-03-26 Jan Hubicka <jh@suse.cz>
4269 * jump.c (jump_optimize_1): Fix typo in elide optimizations
4270 for minimal jump pass test.
4272 2000-03-26 Mark Mitchell <mark@codesourcery.com>
4274 * integrate.c (function_cannot_inline_p): Do inline functions that
4277 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4279 * stor-layout.c (layout_type, set_sizetype): early_type_list is
4280 now a list of TREE_LIST entries, not types.
4281 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
4283 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
4284 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
4286 * config/mips/mips.c (function_arg): Likewise; also remove cast
4287 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
4288 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
4289 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
4290 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
4291 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
4292 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
4293 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
4294 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
4295 num_adjusts now unsigned.
4296 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
4297 * config/sparc/sparc.c (struct function_arg_record_value_parms):
4299 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
4300 as is BITPOS variable; use host_integerp and int_bit_position.
4301 (function_arg_record_value_2): Likewise.
4302 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
4303 Variable REGNO now unsigned.
4304 (function_arg_record_value): NREGS now unsigned.
4306 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
4308 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
4310 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4312 * Rework fields used to describe positions of bitfields and
4313 modify sizes to be unsigned and use HOST_WIDE_INT.
4314 * alias.c (reg_known_value_size): Now unsigned.
4315 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
4316 (really_start_incremental_init): Use bitsize_zero_node.
4317 (push_init_level, pop_init_level, output_init_element): Likewise.
4318 Use bitsize_unit_node and bitsize_one_node.
4319 (output_pending_init_elements, process_init_element): Likewise.
4320 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
4321 (make_extraction): Position and length HOST_WIDE_INT and unsigned
4322 HOST_WIDE_INT, respectively.
4323 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
4324 (num_sign_bit_copies): Returns unsigned.
4325 BITWIDTH now unsigned; rework arithmetic.
4326 Remove recursive call from arg to MAX.
4327 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
4328 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
4330 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
4331 (find_split_point, expand_compound_operation, make_extraction): LEN
4332 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
4333 (make_field_assignment): Likewise.
4334 (combine_simplify_rtx): Add cast.
4335 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
4336 (force_to_mode): WIDTH now unsigned; add cast.
4337 (if_then_else_cond): SIZE now unsigned.
4338 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
4339 (extended_count): Now returns unsigned.
4340 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
4341 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
4342 (simplify_comparison): MODE_WIDTH now unsigned.
4343 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
4344 (mark_used_regs_combine): Likewise; rework arithmetic.
4345 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
4346 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
4347 (record_promoted_value): REGNO now unsigned.
4348 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
4349 (get_last_value): REGNO now unsigned.
4350 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
4351 (reg_dead_regno, reg_dead_endregno): Now unsigned.
4352 (remove_death): Arg REGNO now unsigned.
4353 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
4354 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
4356 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
4357 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
4358 (struct cse_reg_info): REGNO now unsigned.
4359 (cached_regno): Now unsigned.
4360 (REGNO_QTY_VALID_P): Add cast.
4361 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
4362 (remove_invalid_regs): Likewise.
4363 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
4364 as are variables END and I.
4365 (get_cse_reg_info, insert): Likewise.
4366 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
4367 (canon_hash): Likewise.
4368 (insert_regs, lookup_for_remove): REGNO now unsigned.
4369 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
4371 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
4372 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
4373 * emit-rtl.c (subreg_realpart_p): Add cast.
4374 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
4375 (operand_subword_force): Arg I is now unsigned.
4376 * except.c (eh_regs): Variable I is now unsigned.
4377 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
4378 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
4379 length is unsigned HOST_WIDE_INT; likewise for internal variables.
4380 (store_split_bit_field, extract_fixed_bit_field): Likewise.
4381 (extract_split_bit_field, store_bit_field, extract_bit_field):
4383 * expr.c (store_constructor_fields, store_constructor, store_field):
4384 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
4385 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
4386 (do_jump): Likewise.
4387 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
4388 MAX_SIZE is now unsigned.
4389 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
4390 (emit_group_store): Likewise.
4391 (emit_move_insn): I now unsigned.
4392 (store_constructor): Use host_integerp, tree_low_cst, and
4394 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
4395 Rework all calculations to use trees and new fields.
4396 * expr.h (promoted_input_arg): Regno now unsigned.
4397 (store_bit_field, extract_bit_field): Adjust types of pos and size.
4398 (mark_seen_cases): Arg is HOST_WIDE_INT.
4399 * flow.c (verify_wide_reg_1): REGNO now unsigned.
4400 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
4401 precisions and alignments are unsigned.
4402 (optimize_bit_field_compare, fold_truthop): Likewise.
4403 (int_const_binop): Adjust threshold for size_int_type_wide call.
4404 (fold_convert): Likewise.
4405 (size_int_type_wide): Make table larger and fix thinko that only
4406 had half of table used.
4407 (all_ones_mask_p, fold): Precisions are unsigned.
4408 * function.c (put_reg_info_stack): REGNO is unsigned.
4409 (instantiate_decl): Size is HOST_WIDE_INT.
4410 (instantiate_virtual_regs): I is unsigned.
4411 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
4412 (promoted_input_arg): REGNO is unsigned.
4413 * function.h (struct function): x_max_parm_reg is now unsigned.
4414 * gcse.c (max_gcse_regno): Now unsigned.
4415 (struct null_pointer_info): min_reg and max_reg now unsigned.
4416 (lookup_set, next_set): REGNO arg now unsigned.
4417 (compute_hash_table): REGNO and I now unsigned.
4418 (handle_avail_expr): regnum_for_replacing now unsigned.
4419 (cprop_insn): REGNO now unsigned.
4420 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
4421 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
4422 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
4423 * hard-reg-set.h (reg_class_size): Now unsigned.
4424 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
4425 * jump.c (mark_modified_reg): I now unsigned; add cast.
4426 (rtx_equal_for_thread_p): Add cast.
4427 * loop.c (max_reg_before_loop): Now unsigned.
4428 (struct_movable): REGNO now unsigned.
4429 (try_copy_prop): REGNO arg unsigned.
4430 (regs_match_p): XN and YN now unsigned.
4431 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
4432 (strength_reduce): Likewise; NREGS also unsigned.
4433 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
4434 * loop.h (struct iv_class): REGNO now unsigned.
4435 (max_reg_before_loop, first_increment_giv, last_increment_giv):
4437 * machmode.h (mode_size, mode_unit_size): Now unsigned.
4438 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
4439 * optabs.c (expand_binop): I and NWORDS now unsigned.
4440 (expand_unop): I now unsigned.
4441 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
4442 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
4443 * real.c (significand_size): Now returns unsigned.
4444 * real.h (significand_size): Likewise.
4445 * regclass.c (reg_class_size): Now unsigned.
4446 (choose_hard_reg_mode): Both operands now unsigned.
4447 (record_reg_classes): REGNO and NR now unsigned.
4448 (reg_scan): NREGS now unsigned.
4449 (reg_scan_update): old_max_regno now unsigned.
4450 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
4451 * reload.c (find_valid_class): BEST_SIZE now unsigned.
4452 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
4453 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
4454 Likewise for variable R.
4455 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
4456 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
4457 (find_equiv_reg): Add casts.
4458 (regno_clobbered_p): Arg REGNO now unsigned.
4459 * reload.h (struct reload): NREGS now unsigned.
4460 (refers_to_regno_for_reload_p): Regno args are unsigned.
4461 (regno_clobbered_p): Likewise.
4462 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
4463 (compute_use_by_pseudos): REGNO now unsigned.
4464 (find_reg): I and J now unsigned, new variable K, and change loop
4465 variables accordingly; THIS_NREGS now unsigned.
4466 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
4467 (spill_hard_reg): REGNO arg now unsigned; add casts.
4468 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
4469 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
4470 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
4471 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
4472 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
4473 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
4474 (emit_reload_insns): REGNO now unsigned.
4475 (reload_cse_move2add): Add cast.
4476 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
4478 * resource.c (mark_referenced_resources, mark_set_resources): New
4479 variable R; REGNO and LAST_REGNO now unsigned.
4480 (mark_target_live_regs): J and REGNO now unsigned.
4481 * rtl.c (mode_size, mode_unit_size): Now unsigned.
4482 * rtl.h (union rtunion_def): New field rtuint.
4483 (XCUINT): New macro.
4484 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
4485 (operand_subword, operand_subword_force): Word number is unsigned.
4486 (choose_hard_reg_mode): Operands are unsigned.
4487 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
4488 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
4489 (regno_use_in, combine_instructions, remove_death): Likewise.
4490 (reg_scan, reg_scan_update): Likewise.
4491 (extended_count): Return is unsigned.
4492 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
4493 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
4494 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
4495 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
4496 (reg_reg_last_1): FIRS and LAST now unsigned.
4497 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
4498 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
4500 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
4501 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
4502 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
4503 (replace_regs): Arg NREGS now unsigned.
4504 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
4505 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
4506 (simplify_binary_operation): Likewise.
4507 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
4508 THIS_LAST now unsigned.
4509 (cselib_record_set): Add cast.
4510 * ssa.c (ssa_max_reg_num): Now unsigned.
4511 (rename_block): REGNO now unsigned.
4512 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
4514 (all_cases_count): Just return -1 not -2.
4515 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
4516 Rework tests to use trees whenever possible.
4517 Use host_integerp and tree_low_cst.
4518 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
4519 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
4520 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
4521 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
4522 (smallest_mode_for_size): Likewise.
4523 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
4524 KNOWN_ALIGN is now an alignment, so simplify code.
4525 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
4526 (start_record_layout): Renamed from new_record_layout_info.
4527 Update to new fields.
4528 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
4530 (place_union_field): Renamed from layout_union_field.
4531 Update to use new fields in rli.
4532 (place_field): Renamed from layout_field.
4533 Major rewrite to use new fields in rli; pass alignment to layout_decl.
4534 (finalize_record_size): Rework to use new fields in rli and handle
4536 (compute_record_mode): Rework to simplify and to use new DECL fields.
4537 (finalize_type_size): Make rounding more consistent.
4538 (finish_union_layout): Deleted.
4539 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
4540 (layout_type, case RECORD_TYPE): Call new function names.
4541 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
4542 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
4543 (get_best_mode): UNIT is now unsigned; remove casts.
4544 * tree.c (bit_position): Compute from new fields.
4545 (byte_position, int_byte_position): New functions.
4546 (print_type_hash_statistics): Cast to remove warning.
4547 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
4548 (build_index_type): Likewise; make subtype of sizetype.
4549 (build_index_2_type): Pass sizetype to build_range_type.
4550 (build_common_tree_nodes): Use size_int and bitsize_int to
4551 initialize nodes; add bitsize_{zero,one,unit}_node.
4552 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
4553 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
4554 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
4555 (DECL_FIELD_BITPOS): Deleted.
4556 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
4557 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
4558 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
4559 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
4560 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
4561 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
4562 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
4563 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
4564 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
4565 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
4566 (DECL_ALIGN): Adjust to new field in union.
4567 (DECL_OFFSET_ALIGN): New field.
4568 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
4569 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
4570 (union tree_decl): Add struct for both aligns.
4571 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
4572 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
4573 (struct record_layout_info): Rework fields to have offset
4574 alignment and byte and bit position.
4575 (start_record_layout, place_field): Renamed from old names.
4576 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
4577 (byte_position, int_byte_position): Likewise.
4578 (get_inner_reference): Change types of position and length.
4579 * unroll.c (unroll_loop): New variable R; use for some loops.
4580 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
4581 (calculate_giv_inc): Arg REGNO now unsigned.
4582 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
4583 * varasm.c (assemble_variable): Clean up handling of size using
4584 host_integerp and tree_low_cst.
4585 (decode_addr_const): Use byte, not bit, position.
4586 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
4587 use tree_low_cst and int_bit_position.
4588 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
4590 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
4592 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
4593 (reorder_block_def): New members eff_head and eff_end.
4594 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
4595 (verify_insn_chain): New function.
4596 (skip_insns_between_block): Add code to skip deleted insns.
4597 Check for note before using.
4598 (chain_reorder_blocks): Replace calls to skip_insns_between_block
4599 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
4600 Check for note before using.
4601 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
4602 (fixup_reorder_chain): Restructure, clean up, defect removal.
4603 (reorder_basic_blocks): Remove last_insn and references to it.
4604 Moved insn chain verification code into a new function (see above).
4605 Delete defective code that sets last insn.
4606 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
4609 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4611 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
4613 2000-03-24 Richard Henderson <rth@cygnus.com>
4615 * tree.c (lang_safe_for_unsave): Remove.
4616 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
4617 allowing for two levels of unsafeness. Remove lang hook.
4618 * tree.h: Update declarations.
4619 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
4620 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
4621 Always fail sibcalls when there are pending cleanups.
4623 2000-03-24 Geoff Keating <geoffk@cygnus.com>
4625 * flow.c (propagate_block): When we delete an ADDR_VEC,
4626 also delete the BARRIER following it if there is one.
4628 2000-03-24 Richard Henderson <rth@cygnus.com>
4630 * builtins.c (expand_builtin_bzero): Convert `length' argument
4633 2000-03-24 Jakub Jelinek <jakub@redhat.com>
4635 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
4636 comparison if regno's are equal.
4637 * calls.c (initialize_argument_informat): Add ecf_flags argument.
4638 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4639 (expand_call): Update caller.
4640 Avoid making a sibling call if argument size of the callee is larger
4641 than argument size of the caller.
4642 Call hard_function_value with outgoing set if in sibcall pass.
4643 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4645 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
4646 Change LEAF_REGISTERS from an array initializer to actual array
4647 identifier. Move static global variable into the function.
4648 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
4649 sequences for leaf functions.
4650 * global.c (global_alloc): Likewise.
4651 * tm.texi (LEAF_REGISTERS): Update documentation.
4653 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
4654 TARGET_FLAT leaf disabling hack.
4655 (LEAF_REGISTERS): Changed from an array initializer to actual array
4656 identifier to avoid duplication and remove the above hack.
4657 (FUNCTION_OK_FOR_SIBCALL): Define.
4658 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
4659 always like call attribute.
4660 (eligible_for_sibcall_delay): New attribute.
4661 (sibcall): New delay type.
4662 (sibcall, sibcall_value, sibcall_epilogue): New expands.
4663 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
4664 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
4665 * config/sparc/sparc.c (sparc_leaf_regs): New array.
4666 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
4668 (output_function_epilogue): Move part of the code into
4669 output_restore_regs.
4670 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
4672 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
4675 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
4676 until infrastructure is finished.
4678 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
4680 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
4681 (save_parm_insns): Not here.
4683 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4685 * builtins.c (expand_builtin_bzero): New function.
4686 (expand_builtin): Handle bzero.
4688 * builtins.def: Add BUILT_IN_BZERO.
4690 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4691 prototype & function for bzero.
4693 2000-03-23 Michael Meissner <meissner@redhat.com>
4695 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
4696 change adding TARGET_FP to the TF floating point insns, except for
4697 trunctfsf2, which generates direct calls to truncdfsf2.
4699 2000-03-23 Geoff Keating <geoffk@cygnus.com>
4701 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
4702 try to protect against middle-end changes that break binary
4704 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
4706 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4708 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
4710 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4712 * calls.c (expand_call): If TARGET is passed by reference and
4713 is readonly, write a CLOBBER.
4715 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4717 * builtins.c (expand_builtin): Handle bcmp.
4719 * builtins.def: Add BUILT_IN_BCMP.
4721 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4722 prototype & function for bcmp.
4724 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
4726 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
4727 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
4728 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
4730 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
4732 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
4733 alternative when using -fp64 -gp32.
4735 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4737 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
4738 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
4739 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
4741 * frame.h (frame_state): Revert last change.
4742 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
4743 * libgcc2.c (throw_helper): Revert last change.
4745 2000-03-22 Richard Henderson <rth@cygnus.com>
4747 * stmt.c (expand_asm_operands): Don't promote the temporary.
4749 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4751 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
4752 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
4753 c_get_alias_set): Likewise.
4754 * c-decl.c (duplicate_decls): Likewise.
4755 * c-typeck.c (default_conversion,build_unary_op): Likewise.
4756 * calls.c (initialize_argument_information): Likewise.
4757 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
4759 * dwarfout.c (decl_class_context,output_type): Likewise.
4760 * expr.c (get_inner_reference): Likewise.
4761 * fold-const.c (simple_operand_p,fold): Likewise.
4762 * function.c (aggregate_value_p): Likewise.
4763 * stmt.c (expand_asm_operands): Likewise.
4764 * varasm.c (named_section): Likewise.
4766 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4768 Implement dwarf2 exception handling for the ARM.
4769 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
4770 (DWARF_FRAME_RETURN_COLUMN): Define.
4771 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
4772 REG_FRAME_RELATED_EXPR note.
4773 (emit_sfm): Likewise.
4774 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
4775 * dwarf2out.c (reg_save): Handle saving a register to itself.
4776 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
4777 * except.c (eh_regs): Don't use the static chain reg if it's
4779 * frame.h (frame_state): Add cfa_saved field.
4780 * frame.c (execute_cfa_insn): Set it.
4781 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
4783 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
4785 (instantiate_virtual_regs): Adjust.
4787 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4788 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4789 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
4791 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
4792 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
4794 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4796 * builtins.def: New file.
4798 * Makefile.in (TREE_H): Depend on builtins.def.
4800 * builtins.c (built_in_names): Use builtins.def.
4802 * tree.h (built_in_function): Likewise.
4804 2000-03-22 Mark Mitchell <mark@codesourcery.com>
4806 * tree.c (size_in_bytes): Return size_zero_node, not
4809 2000-03-22 Geoff Keating <geoffk@cygnus.com>
4811 * config/fp-bit.c (pack_d): Correct the case when a denormal
4812 is rounded up and stops being denormal.
4814 2000-03-21 Richard Henderson <rth@cygnus.com>
4816 * config/alpha/alpha.c (function_arg): Check for void_type_node
4817 before using MUST_PASS_IN_STACK.
4819 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
4821 * regmove.c (combine_stack_adjustments_for_block): Check that
4822 the stack pointer is a valid memory address.
4824 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
4826 * calls.c: re-install Mar 16 emit_library_call merge.
4828 2000-03-21 Jakub Jelinek <jakub@redhat.com>
4830 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
4831 we cannot be sure that if reload_completed base register will
4832 be properly aligned.
4834 2000-03-21 Richard Henderson <rth@cygnus.com>
4836 * flow.c (delete_block): Fix typo last change.
4838 2000-03-21 Mark Mitchell <mark@codesourcery.com>
4840 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
4841 not COMPLETE_TYPE_P, to check the type of the expression.
4843 2000-03-21 Michael Meissner <meissner@redhat.com>
4845 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
4846 all floating point insns that just tested the macro
4847 TARGET_HAS_XFLOATING_LIBS.
4848 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
4849 used to only use the gprs.
4851 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
4853 * tree.h (COMPLETE_TYPE_P): New macro.
4854 (COMPLETE_OR_VOID_TYPE_P): New macro.
4855 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
4856 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
4857 * c-aux-info.c (gen_type): Use them.
4858 * c-common.c (c_expand_expr_stmt): Likewise.
4859 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
4860 grokdeclarator, grokparms, finish_struct, start_function,
4861 store_parm_decls, combine_parm_decls): Likewise.
4862 * c-parse.y (cast_expr): Likewise.
4863 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
4864 c_size_in_bytes, c_alignof, build_component_ref,
4865 build_indirect_ref, build_array_ref, convert_arguments,
4866 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
4867 * calls.c (initialize_argument_information): Likewise.
4868 * convert.c (convert_to_integer): Likewise.
4869 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
4870 * dwarfout.c (location_or_const_value_attribute,
4871 output_enumeration_type_die, output_structure_type_die,
4872 output_union_type_die, output_type): Likewise.
4873 * expr.c (safe_from_p, expand_expr): Likewise.
4874 * function.c (assign_parms): Likewise.
4875 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
4876 * tree.c (build_array_type, build_function_type,
4877 build_method_type, build_offset_type, build_complex_type): Likewise.
4878 * c-parse.c, c-parse.h: Regenerated.
4880 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4882 * config/c4x/rtems.h: Include config/rtems.h.
4884 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
4886 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
4887 decl is a FUNCTION_DECL
4889 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
4891 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
4892 function uses output registers. Don't save RP for leaf functions.
4893 Do save RP even if no epilogue.
4894 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
4895 (CALL_USED_REGISTERS): Unmark in registers.
4896 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
4899 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4901 * config/rs6000/rs6000.md (bunordered): New expander.
4902 (bordered): New expander.
4903 (buneq): New expander.
4904 (bunge): New expander.
4905 (bungt): New expander.
4906 (bunle): New expander.
4907 (bunlt): New expander.
4908 (bltgt): New expander.
4910 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
4911 (ccr_bit_negated_p): New function.
4912 (print_operand): For %C, generate appropriate cror for UNEQ,
4913 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
4915 2000-03-20 Andreas Jaeger <aj@suse.de>
4917 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
4920 * tree.h (safe_for_unsave): Prototype.
4922 2000-03-20 Richard Henderson <rth@cygnus.com>
4924 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
4925 (combine_stack_adjustments_for_block): Don't allow sp references
4926 in the side of a set we're not fixing up.
4927 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
4928 after life_analysis.
4930 2000-03-20 Richard Henderson <rth@cygnus.com>
4932 * calls.c (expand_call): Don't bother generating tail call
4933 sequences if there are pending cleanups. Use
4934 expand_start_target_temps/expand_end_target_temps to elide
4935 cleanups created during sibcall expansion.
4937 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4939 * configure.in: Set $IFS to a value if it doesn't already have one
4940 in the --enable-checking handling.
4941 * configure: Regenerate.
4943 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4945 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
4946 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4949 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
4951 * jump.c (delete_noop_moves): Remove code attempting to
4952 combine stack adjustments.
4954 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4956 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
4957 * except.c (emit_cleanup_handler): Use them.
4958 (expand_end_all_catch): Likewise.
4959 * function.c (fixup_var_refs): Likewise.
4960 (expand_function_end): Clear catch_clauses_last.
4961 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
4962 * except.h (struct eh_status): New field x_catch_clauses_last.
4963 (catch_clauses_last): New define.
4965 * Makefile.in (tree.o): Depend on HASHTAB_H.
4966 * tree.c: Include hashtab.h.
4967 (struct type_hash): Remove next field.
4968 (TYPE_HASH_SIZE): Remove.
4969 (TYPE_HASH_INITIAL_SIZE): New define.
4970 (type_hash_table): Change type to htab_t.
4971 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
4972 mark_hash_entry): New functions.
4973 (init_obstacks): Allocate type hash.
4974 (type_hash_lookup): Use htab functions.
4975 (type_hash_add, mark_type_hash): Likewise.
4976 (dump_tree_statistics): Call print_type_hash_statistics.
4978 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4980 * rs6000/t-aix41: New file.
4982 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
4984 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
4986 * tm.texi (Driver): Fix typos and tweak entry for
4988 Move misplaced STRUCT_FORCE_BLK entry ...
4989 (Storage Layout): ... to here.
4990 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
4992 2000-03-19 Richard Henderson <rth@cygnus.com>
4994 * flow.c (delete_block): Delete the addr_vec along with the block.
4995 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
4998 * fold-const.c (extract_muldiv): Apply type check for defined
4999 overflow to multiply as well as divide.
5001 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
5003 2000-03-18 Mark Mitchell <mark@codesourcery.com>
5005 * emit-rtl.c (remove_unncessary_notes): Check that all
5006 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
5007 associated NOTE_BLOCK.
5008 * function.h (identify_blocks): Update comments.
5009 (reorder_blocks): Declare.
5010 * function.c (identify_blocks): Don't take paramters.
5011 (reorder_blocks): Don't take parameters.
5012 * loop.h (find_loop_tree_blocks): Remove.
5013 (unroll_block_trees): Likewise.
5014 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
5015 reorder_blocks instead of unroll_block_trees.h
5016 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
5017 * stmt.c (find_loop_tree_blocks): Remove.
5018 (unroll_block_trees): Likewise.
5019 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
5020 in whole-function mode.
5021 * tree.h (reorder_blocks): Remove declaration.
5023 * expr.c: Include intl.h.
5024 * Makefile.in (expr.o): Depend on intl.h.
5026 2000-03-18 Richard Henderson <rth@cygnus.com>
5028 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
5030 2000-03-18 Mark Mitchell <mark@codesourcery.com>
5032 * tree.h (tree_index): Remove enumerals for integer types.
5033 (integer_type_kind): New type.
5034 (integer_types): New variable.
5035 (char_type_node): Adjust.
5036 (signed_char_type_node): Likewise.
5037 (unsigned_char_type_node): Likewise.
5038 (short_integer_type_node): Likewise.
5039 (short_unsigned_type_node): Likewise.
5040 (integer_type_node): Likewise.
5041 (unsigned_type_node): Likewise.
5042 (long_integer_type_node): Likewise.
5043 (long_unsigned_type_node): Likewise.
5044 (long_long_integer_type_node): Likewise.
5045 (long_long_unsigned_type_node): Likewise.
5046 * tree.c (integer_types): New variable.
5047 (init_obstacks): Register it as a root.
5049 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
5051 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
5052 NEXT_INSN. Update last insn in chain.
5054 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
5056 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
5057 with TYPE_DECL_SUPPRESS_DEBUG set.
5059 2000-03-18 Richard Henderson <rth@cygnus.com>
5061 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
5063 2000-03-18 Richard Henderson <rth@cygnus.com>
5065 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
5066 care for HALF_PIC_P.
5067 (expander_call_insn_operand): Remove.
5068 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
5069 * i386.h (PREDICATE_CODES): Update.
5070 * i386.md (all call expanders): Remove predicates, remove special
5071 handling for half-pic.
5072 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
5073 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
5074 (sibcall_epilogue): New.
5076 2000-03-17 Richard Henderson <rth@cygnus.com>
5078 * rtlanal.c (single_set): Reject if the parallel has anything
5079 except SET or USE or CLOBBER.
5081 2000-03-17 Jeff Law <law@cygnus.com>
5082 Richard Henderson <rth@cygnus.com>
5084 * Makefile.in (OBJS): Add sibcall.o.
5086 * sibcall.c: New file.
5087 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
5088 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
5089 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
5090 Emit sibcall patterns when requested. Update all callers.
5091 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
5092 elimination seems feasable.
5093 * final.c (leaf_function_p): Sibling calls don't discount being
5095 * flow.c (HAVE_sibcall_epilogue): Provide default.
5096 (find_basic_blocks_1): Sibling calls don't throw.
5097 (make_edges): Make edge from sibling call to EXIT.
5098 (propagate_block): Don't remove sibcall_epilogue insns.
5099 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
5100 (sibcall_epilogue): New.
5101 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
5102 (identify_blocks_1): Likewise. Break out from ...
5103 (identify_blocks): ... here.
5104 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
5105 (reorder_blocks): ... here.
5106 (init_function_for_compilation): Zap prologue/epilogue as varrays.
5107 (record_insns): Extend a varray instead of mallocing new memory.
5108 (contains): Read a varray not array of ints.
5109 (sibcall_epilogue_contains): New.
5110 (thread_prologue_and_epilogue_insns): Emit and record
5111 sibcall_epilogue patterns.
5112 (init_function_once): Allocate prologue/epilogue varrays.
5113 * genflags.c (gen_insn): Treat sibcall patterns as calls.
5114 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
5116 (save_for_inline_nocopy): ... here.
5117 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
5119 (expand_inline_function): ... here.
5120 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
5121 (subst_constants): Handle 'n' formats.
5122 * jump.c (jump_optimize_minimal): New.
5123 (jump_optimize_1): New arg `minimal'; update callers. Elide most
5124 optimizations if it's set.
5125 * rtl.c (copy_rtx): Do copy jump & call for insns.
5126 * rtl.h (struct rtx_def): Document use of jump and call for insns.
5127 (SIBLING_CALL_P): New.
5128 (sibcall_use_t): New.
5129 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
5130 Invoke optimize_sibling_and_tail_recursive_calls.
5131 * tree.c (lang_safe_for_unsave): New.
5132 (safe_for_unsave): New.
5133 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
5135 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
5136 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
5137 (*sibcall_osf_1, *sibcall_value_osf_1): New.
5139 2000-03-17 Mark Mitchell <mark@codesourcery.com>
5141 * objc/objc-act.c (encode_method_prototype): Pass types, not
5142 PARM_DECLs, to int_size_in_bytes.
5144 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
5146 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
5148 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
5149 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
5151 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5153 * Clean up usages of TREE_INT_CST_LOW.
5154 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
5155 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
5157 * c-tree.h (min_precision): Move declaration to here.
5158 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
5159 (build_unary_op, add_pending_init): Use bit_position.
5160 (pending_init_member, process_init_element): Likewise.
5161 (really_start_incremental_init, push_init_level, pop_init_level):
5162 Don't make copies of nodes or modify them in place, use consistent
5163 types when tracking positions, and use tree routines computations.
5164 (set_init_index, output_init_element): Likewise.
5165 (output_pending_init_elements, process_init_element): Likewise.
5166 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
5167 tree_low_cst and int_bit_position; also minor cleanup.
5168 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
5169 (print_cst_octal): Precision is unsigned.
5170 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
5171 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
5172 (simple_type_align_in_bits): Result is unsigned int.
5173 Use tree_int_low_cst and host_integerp.
5174 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
5175 (field_byte_offset): Result is HOST_WIDE_INT.
5176 Change types of internal variables so alignments are unsigned int,
5177 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
5178 Use host_integerp, tree_low_cst, and int_bit_position.
5179 (add_bit_offset_attribute): Likewise.
5180 (add_data_member_location_attribute): Use tree_cst_low.
5181 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
5182 (add_bit_size_attribute): Use tree_low_cst.
5183 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
5184 * dwarfout.c: Similar changes to dwarf2out.c.
5185 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
5186 * genoutput.c (n_occurences): Return -1 for null string.
5187 (strip_whitespace): Accept null string and make into function.
5188 (scan_operands): Reflect above changes.
5189 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
5190 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
5191 * ssa.c (rename_registers): Add missing cast of arg to bzero.
5192 * tree.c (int_size_in_bytes): Check for too big to represent.
5193 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
5194 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
5196 (min_precision): Delete from here.
5197 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
5198 and int_bit_position.
5199 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
5200 (encode_method_def): Likewise.
5201 (build_ivar_list_initializer): Use int_bit_position.
5202 (generate_shared_structures): Convert size.
5203 (encode_type, encode_complete_bitfield): Use integer_zerop.
5204 (encode_bitfield): Use tree_low_cst and int_bit_position.
5206 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5208 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
5210 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5212 * call.c (special_function_p): It is only malloc if it returns
5215 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5217 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
5218 (C33_FLAG, TARGET_C3X): Add macros.
5219 (TARGET_SWITCHES): Add -m33 option.
5220 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
5222 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5224 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
5225 (PARALLEL_PACK_FLAG): Delete.
5226 (TARGET_SWITCHES): Update.
5227 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
5229 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5231 * fold-const.c (fold): Fix a few cases when the returned result
5232 is not of the same type as the input.
5234 2000-03-16 Nick Clifton <nickc@cygnus.com>
5236 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
5239 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5241 * libgcc2.h: Move prototypes above macros with the same name.
5242 Wrap some function prototypes in the conditional which indicates
5243 whether they are supported, i.e. "BITS_PER_UNIT == 8".
5245 2000-03-16 Richard Henderson <rth@cygnus.com>
5247 * calls.c: Revert last two changes.
5249 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
5251 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
5252 has exponent 0 is a zero.
5254 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
5255 HASH may already be nonzero. Add code/mode into hash value
5256 immediately after repeat label.
5257 (cselib_lookup): Don't leave the hash table in an inconsistent
5258 state before a hash lookup operation.
5260 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
5262 * i386.md (all HI and QI mode non-move patterns): Conditionize
5263 by TARGET_[HQ]IMODE_MATH.
5264 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
5265 x86_promote_qi_regs): Declare.
5266 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
5267 TARGET_PROMOTE_QI_REGS): New macros.
5268 (PROMOTE_MODE): New macro.
5269 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
5270 x86_promote_qi_regs): New global variables.
5272 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
5274 * calls.c (emit_library_call_value_1): Break out from ...; handle
5275 VOIDmode function calls too.
5276 (emit_library_call_value): ... here.
5277 (emit_library_call): Implement by calling emit_library_call_value_1.
5279 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
5281 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
5282 Update arg_space_so_far on stack adjustments.
5283 (emit_library_call, emit_library_call_value): Likewise; take into
5284 account arg_space_so_far and pending_stack_adjust when calculcating
5287 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
5289 * flow.c: Move all basic block reordering code into its own file.
5290 (create_basic_block): Externalize.
5291 * bb-reorder.c: New file. Copy all basic block reordering code from
5292 flow.c to this file.
5293 (reorder_basic_blocks): Fix fencepost error in for-loop.
5294 (reorder_basic_blocks): Remove braces from single statement for-loops.
5295 * basic-block.h: Add declaration for create_basic_block.
5296 * Makefile.in: Add rules for bb-reorder.o.
5298 2000-03-16 Neil Booth <NeilB@earthling.net>
5300 * cppinit.c (handle_option): Implement #unassert directive
5301 as -A- command line option.
5302 (print_help): Update.
5303 * cpptexi.c: Update.
5305 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
5307 * md.texi (Standard Names): Document `jump'.
5309 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5311 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
5314 2000-03-15 Geoff Keating <geoffk@cygnus.com>
5316 Merge changes from newppc-branch onto trunk.
5318 2000-03-15 Geoff Keating <geoffk@cygnus.com>
5320 * rs6000.c (toc_hash_table): Update for new hash table functions.
5321 (toc_hash_function): Likewise.
5322 (toc_hash_eq): Likewise.
5323 (toc_hash_mark_entry): Likewise.
5324 (toc_hash_mark_table): Likewise.
5325 (output_toc): Likewise.
5326 (rs6000_add_gc_roots): Likewise.
5328 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5330 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
5331 (AR_FLAGS_FOR_TARGET): here. New macro.
5333 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
5335 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
5336 fpmem_operand) Delete.
5338 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
5339 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
5340 (rs6000_save_machine_status, rs6000_restore_machine_status,
5341 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
5342 references to above variables.
5343 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
5344 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
5345 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
5346 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
5347 (XER_REGNO_P, XER_REGNO): New.
5348 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
5349 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
5350 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
5352 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5353 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
5354 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
5356 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5358 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
5359 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
5360 * rs6000.h: from here.
5362 * rs6000-protos.h (rs6000_select_section): Provide prototype.
5363 (rs6000_select_rtx_section): Likewise.
5364 (rs6000_encode_section_info): Likewise.
5365 (sdata_section): Likewise.
5366 (sdata2_section): Likewise.
5367 (sbss_section): Likewise.
5368 * sysv4.h (rs6000_select_section): Delete prototype.
5369 (rs6000_select_rtx_section): Likewise.
5370 (rs6000_encode_section_info): Likewise.
5371 (sdata_section): Likewise.
5372 (sdata2_section): Likewise.
5373 (sbss_section): Likewise.
5374 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
5376 * sysv4.h: Delete various unnecessary #undef's and put a comment
5377 on the remaining ones.
5378 Change various comments according to coding standard.
5380 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
5382 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
5383 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
5384 (CR0_REGNO_P) Remove.
5385 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
5386 setup_incoming_varargs, mtcrf_operation, print_operand,
5387 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
5388 Use the above macros.
5390 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
5392 * config/rs6000/rs6000.md: Added a new alternative for each
5393 pattern that had a 'x' alternative but no 'y' alternative.
5394 Added a new split for each of the above patterns.
5396 2000-02-18 Geoff Keating <geoffk@cygnus.com>
5398 * aix41.h (ASM_CPU_SPEC): Delete.
5399 (CPP_CPU_SPEC): Delete.
5401 * aix.h (RS6000_OUTPUT_BASENAME): Define.
5402 (ASM_OUTPUT_LABEL): Define.
5403 (ASM_GLOBALIZE_LABEL): Define.
5404 (STRIP_NAME_ENCODING): Define.
5405 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
5406 (STRIP_NAME_ENCODING): Don't define.
5407 (ASM_OUTPUT_LABEL): Don't define.
5408 (ASM_GLOBALIZE_LABEL): Don't define.
5409 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
5410 names, and ASM_OUTPUT_LABEL to output labels, rather than
5412 (ASM_OUTPUT_LABEL): Define.
5413 (ASM_OUTPUT_INT): Use assemble_name.
5414 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
5415 (STRIP_NAME_ENCODING): Don't undefine first.
5416 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
5418 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
5419 specified with 'asm' even with -fleading-underscore.
5420 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
5421 (output_epilog): Likewise.
5422 (output_toc): Likewise.
5423 * tramp.asm: Handle -fleading-underscore correctly.
5425 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
5427 (nonlocal_goto_receiver): Delete.
5428 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
5430 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
5431 (SET_ASM_OP): Define.
5432 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
5434 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
5437 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
5438 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
5440 * rs6000.h: Add 'u' to more constants.
5442 2000-02-18 David Edelsohn <edelsohn@gnu.org>
5444 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
5446 2000-02-15 David Edelsohn <edelsohn@gnu.org>
5448 * rs6000.c (reg_or_u_cint_operand): New function.
5449 (logical_operand): Handle 64-bit hosts.
5450 (logical_u_operand): New function.
5451 (non_logical_cint_operand): Handle 64-bit hosts.
5452 (non_logical_u_cint_operand): New function.
5453 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
5454 (PREDICATE_CODES): Define new functions.
5455 * rs6000-protos.h: Declare new functions.
5456 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
5457 (movdi_64): Bracket code intended for 64-bit hosts. Create
5458 CONST_DOUBLE for 32-bit values.
5459 (scc insns): Generate DImode compares.
5460 (mfcr insns): Create DImode versions.
5461 (sge matchers): New patterns.
5463 2000-02-15 Gabriel Paubert <paubert@iram.es>
5465 * rs6000.md: Correct instructions length attributes and
5466 constraints on unsigned compare instructions.
5467 (*ne0): Disable for PowerPC64.
5469 2000-02-11 Geoff Keating <geoffk@cygnus.com>
5471 * rs6000.c (output_function_profiler): Use .long for a 32-bit
5472 quantity, fix profile1.C test failure under -fPIC.
5474 * rs6000.c: Add 'u' to many constants to suppress warnings.
5475 (constant_pool_expr_1): Make static.
5476 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
5477 * rs6000.h: Add 'u' to many constants to suppress warnings.
5479 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
5480 for the start of the TOC, instead of LCTOC..0.
5481 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
5483 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
5484 (load_toc_aix_di): Use LCTOC..1.
5486 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
5487 * rs6000.c (rs6000_legitimize_address): New function from
5488 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
5489 symbols in the constant pool that really are TOC references.
5490 (print_operand_address): For ELF, write TOC offsets under
5491 -fPIC as subtractions in the insn.
5492 (output_toc): For ELF, define symbols in TOC as normal labels,
5494 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
5495 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
5496 (create_TOC_reference): Prototype only when RTX_CODE is defined.
5497 * rs6000.md (movsi): Only use create_TOC_reference on
5498 symbols in the constant pool that really are TOC references.
5500 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
5501 * rs6000.c (rs6000_reorg): Delete.
5502 * rs6000-protos.h (rs6000_reorg): Delete.
5504 2000-02-09 Geoff Keating <geoffk@cygnus.com>
5506 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
5508 * aix.h (SETUP_FRAME_ADDRESSES): Define.
5509 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
5510 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
5511 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
5512 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
5513 rs6000_aix_emit_builtin_unwind_init.
5514 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
5515 rs6000_emit_eh_toc_restore on AIX.
5516 (return_eh_si): Use r2.
5517 (return_eh_di): Use r2.
5519 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
5520 since we're breaking binary compatibility anyway.
5522 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
5524 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
5525 constant_pool_expr_p): Declare them.
5526 (constant_pool_expr_p): Declare it.
5527 * config/rs6000/rs6000.c (toc_label_name): Define.
5528 (rs6000_override_options): Set toc_label_name.
5529 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
5530 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
5531 uses_TOC): New functions.
5532 (print_operand): Delete old '*' case.
5533 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
5534 and strip off rtl for TOC before calling output_addr_const.
5535 (rs6000_emit_load_toc_table): Use toc_label_name.
5536 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
5538 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
5539 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
5540 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
5541 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
5542 into explicit TOC_REGISTER offsets.
5543 (TOC_REGISTER): New macro.
5544 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
5545 TARGET_TOC to reference TOC_REGISTER.
5546 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
5547 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
5548 uses_TOC before emitting label references.
5550 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5552 * rs6000.md (stack_tie): Fix warning.
5554 * eabi-ctors.c: Use 'asm' names for the start/end variables,
5555 to handle -fleading-underscore.
5556 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
5557 (USER_LABEL_PREFIX): New macro.
5558 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
5559 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
5560 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
5561 call-linux can use the same multilibs.
5562 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
5563 and call-linux multilibs. Do multilib with -fleading-underscore.
5564 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
5565 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
5568 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
5569 have MASK_SOFT_FLOAT set.
5570 (CPP_FLOAT_DEFAULT_SPEC): New macro.
5571 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
5572 CPP_FLOAT_DEFAULT_SPEC.
5574 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
5575 * rs6000.md: Whitespace change.
5576 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
5577 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
5579 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5581 * rs6000.md (eh_epilogue): New expander.
5582 (eh_reg_restore): New expand/split/insn combination.
5583 (return_eh_si): New insn.
5584 (return_eh_di): New insn.
5586 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
5587 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
5588 * eabi-ctors.c (__do_global_ctors): Register this object's
5589 frame. Clean up. Call atexit() after the constructors.
5590 (__do_global_dtors): Deregister this object's frame. Clean up.
5591 Allow for recursive calls to exit().
5592 * rs6000.c (fixuplabelno): New variable.
5593 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
5594 TARGET_RELOCATABLE, it slows down exec() under linux.
5595 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
5597 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
5598 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
5599 (ASM_OUTPUT_DWARF_DELTA2): New macro.
5600 (ASM_OUTPUT_DWARF_DELTA4): New macro.
5601 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
5602 (ASM_OUTPUT_DWARF_ADDR): New macro.
5603 (ASM_OUTPUT_DWARF_DATA4): New macro.
5604 (ASM_OUTPUT_DWARF_DATA2): New macro.
5605 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
5606 (ASM_OUTPUT_DWARF_OFFSET): New macro.
5607 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
5609 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5611 * rs6000.c (rs6000_sr_alias_set): New variable.
5612 (rs6000_override_options): Initialise rs6000_sr_alias_set.
5613 (rs6000_emit_stack_tie): New function.
5614 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
5615 in a way that dwarf2out can understand.
5616 (rs6000_frame_related): New function.
5617 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
5618 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
5619 Use rs6000_emit_stack_tie when needed.
5620 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
5621 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
5622 * rs6000.md (stack_tie): New insn.
5623 (return_internal_si): Allow return value to be in the count
5625 (return_internal_di): Likewise.
5627 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
5629 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5631 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
5633 2000-01-31 Geoff Keating <geoffk@cygnus.com>
5635 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
5637 * rs6000.md (stmw): Use the right POWER opcode.
5640 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5642 * rs6000-protos.h: New file.
5644 * rs6000.c: Include tm_p.h. Fix compile time warnings.
5646 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
5649 * sysv4.h: Likewise.
5651 2000-01-28 Geoff Keating <geoffk@cygnus.com>
5653 * ../../configure.in: Delete powerpcle-*-winnt*
5654 and powerpcle-*-pe|powerpcle-*-cygwin*.
5655 * ../../configure: Regenerated.
5657 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
5658 (TARGET_WINDOWS_NT): Delete.
5660 (CALL_NT_DLLIMPORT): Delete.
5661 Delete NT-specific code.
5662 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
5665 * nt-ci.asm: Delete.
5666 * nt-cn.asm: Delete.
5667 * ntstack.asm: Delete.
5669 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5671 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
5672 (ASM_FILE_START): Likewise.
5673 (ASM_DECLARE_FUNCTION_NAME): Likewise.
5674 (ASM_OUTPUT_LABELREF): Likewise.
5675 (ASM_OUTPUT_SKIP): Likewise.
5676 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
5677 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5678 (ASM_OUTPUT_CASE_LABEL): Likewise.
5679 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
5680 (ASM_OUTPUT_ASCII): Likewise.
5682 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
5684 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
5685 reload_toc_labelno for non-prologue TOC reloads. Also, don't
5686 increment rs6000_pic_labelno here.
5687 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
5688 and increment rs6000_pic_labelno here.
5690 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
5692 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
5693 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
5694 allocation knows (reg) is dead before the insn.
5696 2000-01-21 Geoff Keating <geoffk@cygnus.com>
5698 * rs6000.md (movsi_to_cr): Correct typo in output template.
5700 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5702 * rs6000.c (rs6000_pic_labelno): Always define.
5703 (rs6000_pic_func_labelno): Delete.
5704 (lmw_operation): Check for a zero base register,
5705 which doesn't mean what we want.
5706 (stmw_operation): New function.
5707 (print_operand): Define new 'l' modifier.
5708 (rs6000_stack_info): We must save all 64 bits of the registers
5709 if TARGET_POWERPC64.
5710 (rs6000_output_load_toc_table): Delete.
5711 (rs6000_emit_load_toc_table): New function.
5712 (rs6000_allocate_stack_space): Delete.
5713 (rs6000_emit_allocate_stack): New function.
5714 (rs6000_emit_prologue): New function.
5715 (output_prolog): Use rs6000_emit_prologue.
5716 (rs6000_emit_epilogue): Change a few variable names to be
5717 more accurate. Restore all 64 bits of the registers if
5718 TARGET_POWERPC64. Only restore the FP registers which were used
5719 if they are being saved/restored one-at-a-time.
5720 (output_mi_thunk): Delete inefficient code generation.
5721 (output_function_profiler): Don't use rs6000_output_load_toc_table.
5722 * rs6000.h: Declare rs6000_emit_load_toc_table,
5723 rs6000_allocate_stack_space, stmw_operation. Don't declare
5724 rs6000_output_load_toc_table.
5725 * rs6000.md (elf_high): Allow register 0, but discourage it
5727 (elf_low): Support loading into register 0.
5728 (load_toc_aix_si): New pattern.
5729 (load_toc_aix_di): New pattern.
5730 (load_toc_v4_pic_si): New pattern.
5731 (load_toc_v4_pic_di): New pattern.
5732 (load_toc_v4_PIC_1): New pattern.
5733 (load_toc_v4_PIC_1b): New pattern.
5734 (load_toc_v4_PIC_2): New pattern.
5735 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
5736 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
5737 (prologue): New expander.
5738 (movesi_from_cr): New pattern.
5739 (stmw): New pattern.
5740 (save_fpregs_si): New pattern.
5741 (save_fpregs_di): New pattern.
5743 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5745 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
5750 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5752 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
5754 (movsi_got_internal): Likewise.
5755 (movsi_got_internal+1): Likewise.
5756 (set_sp): 'unspec 7' does a SImode clobber.
5758 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5760 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
5761 allocate a stack temporary.
5762 (floatsidf2_internal): Likewise.
5763 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
5765 (floatunssidf2): Don't use the fpmem "register", just
5766 allocate a stack temporary.
5767 (floatunssidf2_internal): Likewise.
5768 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
5770 (floatsidf2_loadaddr): Delete.
5771 (floatsidf2_store1): Delete.
5772 (floatsidf2_store2): Delete.
5773 (floatsidf2_load): Delete.
5774 (fix_truncdfsi2): Don't use the fpmem "register", just
5775 allocate a stack temporary.
5776 (fix_truncdfsi2_internal_si): Delete.
5777 (fix_truncdfsi2_internal_di): Delete.
5778 (fix_truncdfsi2_internal): New insn.
5779 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
5780 (fix_truncdfsi2_store): Delete.
5781 (fix_truncdfsi2_load): Delete.
5782 (fctiwz): Produce gen_fctiwz.
5784 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5786 * eabi.h (INVOKE__main): Define.
5787 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
5789 (rs6000_emit_prologue): Likewise.
5790 * rs6000.h (struct rs6000_stack): Don't keep track of whether
5791 this is the main program.
5793 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5795 * rs6000.c (rs6000_va_arg): Delete some unused variables.
5797 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5799 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
5800 goes after the argument.
5802 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5804 * rs6000.md: Document 'unspec' values used.
5805 (epilogue): New expander.
5806 (movesi_to_cr_one): New expander.
5807 (movesi_to_cr and following): New pattern.
5809 (return_internal_si): New pattern.
5810 (return_internal_di): New pattern.
5811 (return_and_restore_fpregs_si): New pattern.
5812 (return_and_restore_fpregs_di): New pattern.
5813 * rs6000.h: Declare new functions.
5814 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
5815 rather than rs6000_calls_p.
5816 (rs6000_makes_calls): Delete.
5817 (lmw_operation): New function.
5818 (mtcrf_operation): New function.
5819 (rs6000_emit_epilogue): New function.
5820 (output_epilog): Call rs6000_emit_epilogue and final if
5821 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
5823 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5825 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
5826 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
5827 * aix.h (SUBTARGET_SWITCHES): Document switches.
5828 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
5829 sched-prolog and sched-epilog the same. Document all the
5831 (TARGET_OPTIONS): No longer allow -mdebug-.
5833 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5835 * rs6000.h (ASM_FILE_END): Move to aix.h.
5836 (EXTRA_SECTIONS): Move to aix.h.
5837 (READONLY_DATA_SECTION): Move to aix.h.
5838 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
5839 (SELECT_SECTION): Move to aix.h.
5840 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
5841 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
5842 (LINK_REGISTER_REGNUM): New definition.
5843 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
5844 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
5846 * sysv4.h: Delete the code between the inclusion of rs6000.h
5848 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
5849 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
5850 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
5851 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
5852 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
5853 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
5854 (fix_truncdfsi2_internal_di): New pattern.
5855 (fix_truncdfsi2_store): The second arg here is Pmode too.
5856 (fix_truncdfsi2_load): The second arg here is Pmode too.
5857 (tablejumpdi): Now that switch tables hold only SImode values,
5858 gcc needs to know how to add them to the pc which is DImode.
5859 * rs6000.c (rs6000_stack_info): Use symbolic name for
5860 LINK_REGISTER_REGNUM.
5861 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
5862 (output_toc): Delete unused variables s1 and s2.
5863 (output_ascii): Use fputs not fprintf on a variable string.
5865 2000-01-07 David Edelsohn <edelsohn@gnu.org>
5867 * rs6000.c (processor_target_table): Add power3 as alias for 630.
5868 * aix43.h: Revert Aug 2 change.
5869 (HAS_INIT_SECTION): Define, not visible yet.
5870 (LD_INIT_SWITCH): Define, not visible yet.
5871 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
5873 2000-01-04 Joel Sherrill (joel@OARcorp.com>
5875 * config/rs6000/rtems.h: Include config/rtems.h.
5877 2000-01-04 David Edelsohn <edelsohn@gnu.org>
5879 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
5880 (SLOW_UNALIGNED_ACCESS): Define.
5881 (CASE_VECTOR_MODE): Always use 32-bit offsets.
5882 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
5883 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
5884 (toc_section): Likewise and .toc pseudo-op.
5885 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
5887 (TEXT_SECTION_ASM_OP): Likewise.
5888 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
5891 1999-12-17 Jakub Jelinek <jakub@redhat.com>
5893 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
5894 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
5897 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5899 * rs6000.h: Move more stuff from here...
5901 * sysv4.h: Cleanup accordingly.
5902 * netware.h: Likewise
5904 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5906 * rs6000.h: Continue cleanup.
5909 * netware.h: Likewise.
5911 * sysv4.h: Likewise.
5912 * win-nt.h: Likewise.
5914 * rs6000.h (TARGET_SWITCHES): Add descriptions.
5915 (TARGET_OPTIONS): Likewise.
5917 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
5918 (SUBTARGET_OPTIONS): Likewise.
5920 * rs6000.md: Fix compile time warnings.
5922 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5924 vxworks patches from the Cygnus tree originally by
5925 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
5926 <vmakarov@cygnus.com>.
5927 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
5928 (ENDFILE_SPEC): Likewise.
5929 (LIB_VXWORKS_SPEC): New macro.
5930 (STARTFILE_VXWORKS_SPEC): New macro.
5931 (ENDFILE_VXWORKS_SPEC): New macro.
5932 (LINK_START_VXWORKS_SPEC): New macro.
5933 (LINK_OS_VXWORKS_SPEC): New macro.
5934 (CPP_OS_VXWORKS_SPEC): New macro.
5935 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
5936 * vxppc.h: Rewrite to use proper configuration method.
5937 * vxppcle.h: New file.
5938 * ../../configure.in: Add powerpcle-wrs-vxworks*.
5939 * ../../configure: Rebuilt.
5941 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5943 Lots of changes to rs6000.h, sysv4.h, aix.h,
5944 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
5945 with the aim that rs6000.h is the first header
5946 included and the others override it.
5949 * x-aix41-gld: Remove.
5951 * x-aix41: Remove target-specific switches, and don't specify
5952 -Wl,-bbigtoc as we don't need it any more.
5953 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
5954 Use t-aix43 for AIX 4.3 and above.
5955 * ../../configure: Regenerated.
5957 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
5958 options, that don't do anything yet.
5959 (MASK_SCHED_PROLOG): New macro.
5960 (MASK_SCHED_EPILOG): New macro.
5961 (TARGET_SCHED_PROLOG): New macro.
5962 (TARGET_SCHED_EPILOG): New macro.
5964 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5966 * rs6000.c: Correct comment, the `minimal' TOCs are actually
5967 one per translation unit, not one per function.
5968 (output_toc): Also do duplicate constant elimination
5969 for per-translation-unit TOCs.
5971 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
5972 a comment explaining _exactly_ when this pattern gets used.
5973 (builtin_setjmp_receiver): New pattern for better clarity.
5974 (init_v4_pic): Move it into a section dealing with TOC registers.
5976 1999-12-30 Geoff Keating <geoffk@cygnus.com>
5978 * rs6000.c (toc_hash_table): New variable.
5979 (rs6000_hash_constant): New function.
5980 (toc_hash_function): New function.
5981 (toc_hash_eq): New function.
5982 (toc_hash_mark_entry): New function.
5983 (toc_hash_mark_table): New function.
5984 (output_toc): Don't output duplicate TOC entries in
5986 (rs6000_add_gc_roots): Add the hash table as a GC root.
5987 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
5988 where they clearly shouldn't be. This may need to be fixed
5989 later when there is a GNU ar for AIX.
5990 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
5991 Don't define BOOT_LDFLAGS as it is now not necessary.
5993 1999-12-29 Geoff Keating <geoffk@cygnus.com>
5995 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
5996 for va_list on AIX. Use unsigned_char_type_node rather than
5997 constructing our own version on svr4.
5999 1999-12-17 Geoff Keating <geoffk@cygnus.com>
6001 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
6002 since patently it's not.
6004 1999-12-08 Geoff Keating <geoffk@cygnus.com>
6006 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
6007 define_expand/define_insn pair, and handle restore of the
6008 SVR4 -fpic register.
6010 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
6012 * acconfig.h (HAVE_GAS_WEAK): New define.
6013 * configure.in (assembler weak support): Check for .weak support.
6014 * config.in, configure: Rebuilt.
6015 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
6016 HAVE_GAS_WEAK is defined.
6018 2000-03-15 Nick Clifton <nickc@cygnus.com>
6020 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
6023 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
6025 * cppfiles.c (open_include_file): New function.
6026 (find_include_file, cpp_read_file): Use it.
6028 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
6030 * cpphash.c (dump_hash_helper): Take the slot, not the element.
6032 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
6034 * flow.c (verify_flow_info): Check for unconditional return.
6036 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
6038 * config/ia64/ia64.md (restore_stack_nonlocal): New.
6039 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
6040 (__ia64_restore_stack_nonlocal): New.
6041 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
6043 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6045 * cpphash.c (collect_formal_parameters): Do not complain about
6046 parameter names that just start with `__VA_ARGS__'.
6048 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
6050 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
6051 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
6052 * i386.c (pentiumpro_cost): Set mul cost to 4.
6053 (x86_use_movx): Set for PPro.
6055 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
6057 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
6058 STACK_BOUNDARY for empty frames now.
6060 2000-03-14 Mark Mitchell <mark@codesourcery.com>
6062 * stor-layout.c (layout_union): Remove.
6063 (layout_union_field): New function, split out from layout_union.
6064 (finish_union_layout): Likewise.
6065 (layout_field): Handle unions by calling layout_union_field.
6066 (finish_record_layout): Handle unions.
6067 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
6068 QUAL_UNION_TYPE handling.
6070 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
6072 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
6073 end of basic block is jump_insn, not barrier; use create_basic_block
6074 instead of creating basic block by hand.
6076 2000-03-14 Jason Eckhardt <jle@cygnus.com>
6078 * flow.c (reorder_basic_blocks): Account for barriers when writing
6079 over NEXT_INSN (last_bb->end).
6080 (verify_flow_info): Add check for missing barriers.
6082 2000-03-14 Greg McGary <gkm@gnu.org>
6084 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
6085 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
6086 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
6087 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
6088 __unbounded, __unbounded__): New keywords.
6089 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
6090 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
6091 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
6093 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
6095 * cselib.h: New file.
6096 * alias.c: Include "cselib.h".
6097 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
6098 MEMs as two new arguments.
6099 (get_addr): New static function.
6100 (find_base_term): Handle VALUEs.
6101 (memrefs_conflict_p): Likewise.
6102 (true_dependence): Call get_addr on the addresses.
6103 Call fixed_scalar_and_varying_struct_p with addresses that have been
6104 passed through get_addr and canon_rtx.
6105 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
6106 with true_dependence.
6107 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
6108 * loop.c: Include "cselib.h".
6109 (load_mems): Process extended basic block that enters the loop with
6110 cselib. Use that information to change initialization of the shadow
6111 register so that a constant equivalence is seen by later passes.
6112 * reload1.c: Include "cselib.h".
6113 (reload_cse_invalidate_regno): Delete function.
6114 (reload_cse_mem_conflict_p): Likewise.
6115 (reload_cse_invalidate_mem): Likewise.
6116 (reload_cse_invalidate_rtx): Likewise.
6117 (reload_cse_regno_equal_p): Likewise.
6118 (reload_cse_check_clobber): Likewise.
6119 (reload_cse_record_set): Likewise.
6120 (reg_values): Delete static variable.
6121 (invalidate_regno_rtx): Likewise.
6122 (reload_cse_delete_noop_set): New static function.
6123 (reload_cse_simplify): New static function, broken out of
6125 (reload_cse_noop_set_p): Delete unused argument INSN.
6126 Just call rtx_equal_for_cselib_p on set source and destination.
6127 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
6128 reload_cse_delete_noop_set. Delete code to keep track of values; use
6129 cselib functions instead. Delete code to push/pop obstacks.
6130 (reload_cse_simplify_set): Use cselib to find equivalent values.
6131 Delete code to push/pop obstacks.
6132 (reload_cse_simplify_operands): Likewise.
6133 * rtl.def (VALUE): New rtx code.
6134 * rtl.h (union rtunion_def): New elt rt_cselib.
6135 (X0CSELIB, CSELIB_VAL_PTR): New macros.
6136 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
6137 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
6138 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
6139 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
6140 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
6141 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
6142 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
6143 cselib_record_set, cselib_record_sets): New static functions.
6144 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
6145 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
6146 references_value_p): New functions.
6147 (MAX_USELESS_VALUES, REG_VALUES): New macros.
6148 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
6149 n_useless_values, reg_values, callmem, cselib_obstack,
6150 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
6151 New static variables.
6152 * varray.h (union varray_data_tag): New elt te.
6153 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
6154 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
6157 2000-03-14 Nick Clifton <nickc@cygnus.com>
6159 * gcc.c (do_spec_1): Catch the case where %* is used in a
6160 substitution pattern, but it has not been initialised.
6161 Issue a meaningful error message if an unrecognised operator
6162 is encountered in a spec string.
6164 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
6166 * function.c (prepare_function_start): Correctly initialize
6167 cfun->stack_alignment_needed.
6169 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
6171 * cppfiles.c (find_include_file): Don't assume nshort is a
6174 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
6176 * configure.in (hppa configurations): Add pa32-regs.h to the
6177 list of tm files as appropriate.
6178 * configure: Rebuilt.
6179 * pa.c (compute_frame_size): Remove explicit knowledge about FP
6181 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
6182 (fmpyaddoperands, fmpysuboperands): Likewise.
6183 * pa.h: Remove various definitions which depend on knowing
6184 how registers are numbered.
6185 * pa32-regs.h: New file with PA32 register numbering specific
6188 2000-03-14 Richard Henderson <rth@cygnus.com>
6190 * regmove.c (combine_stack_adjustments): New.
6191 (stack_memref_p, single_set_for_csa): New.
6192 (free_csa_memlist, record_one_stack_memref): New.
6193 (try_apply_stack_adjustment): New.
6194 (combine_stack_adjustments_for_block): New.
6195 * rtl.h (combine_stack_adjustments): Declare.
6196 * toplev.c (rest_of_compilation): Call it.
6198 * i386.md: Revert 2000-01-16 change.
6200 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6202 * gccbug.in: Add web category, gcc specific classes.
6204 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
6206 * stor-layout.c (finalize_record_size): Fix typo.
6208 2000-03-14 Stan Shebs <shebs@apple.com>
6210 * c-typeck.c (c_alignof): Error on incomplete types.
6211 * extend.texi (Alignment): Document this.
6213 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6215 * cppfiles.c: Include mkdeps.h.
6216 (find_include_file, read_include_file): Remove _cpp_ prefix
6217 from name, make static.
6218 (_cpp_execute_include): New function, broken out of
6221 * cpplib.c: Don't include mkdeps.h.
6222 (struct directive): Remove type field. Reorder entries. The
6223 function takes only one argument.
6224 (struct if_stack): Make type field an int.
6225 (directive_table): Rename to dtable. Generate it, the
6226 prototypes of the directive handlers, and the enum for the
6227 directive numbers, from a template macro.
6228 (do_ifndef, do_include_next, do_import): New functions.
6229 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
6230 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
6231 do_ident, do_assert, do_unassert, do_sccs): Take only one
6233 (do_sccs): Define always, but alter behavior based on
6235 (_cpp_handle_directive, consider_directive_while_skipping):
6236 Restructure for new directive table layout.
6238 (pass_thru_directive): Take a directive number, not a pointer
6239 to a struct directive.
6240 (parse_include): New function, broken out of do_include.
6241 (do_include, do_import, do_include_next): Use parse_include
6242 and _cpp_execute_include.
6243 (do_elif, do_else): Test for T_ELSE specifically when checking
6244 for #elif/#else after #else.
6245 (parse_ifdef): New function, broken out of do_ifdef.
6246 (validate_else): Expect a name arg without a leading #.
6247 (if_directive_name): Delete.
6248 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
6249 directive handlers with only one argument.
6251 * cpphash.h: Update prototypes.
6252 (enum node_type): Remove entries for directives.
6253 * Makefile.in: Update dependencies.
6255 * cpphash.c (dump_hash_helper): Only dump nodes of type
6256 T_MACRO. Emit a newline after each definition.
6258 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6260 * gccbug.in: New file.
6261 * configure.in (all_outputs): Add gccbug.
6262 * Makefile.in (install-common): Install gccbug.
6263 (GCCBUG_INSTALL_NAME): New variable.
6264 * configure: Rebuilt.
6266 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
6268 * function.c (put_var_into_stack): Use type_for_mode to calculate
6269 part_type. Use MEM_SET_IN_STRUCT_P.
6270 * expr.c (store_field): Handle CONCAT.
6271 (store_constructor): Use fields_length.
6272 * tree.c (fields_length): New fn.
6273 * tree.h: Declare it.
6275 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6277 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
6278 (cpplex.o): New target.
6279 * po/POTFILES.in: Add cpplex.c.
6281 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
6282 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
6283 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
6284 skip_block_comment, skip_line_comment, skip_comment,
6285 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
6286 _cpp_parse_name, skip_string, parse_string,
6287 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
6288 _cpp_get_directive_token, find_position,
6289 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
6290 (maybe_macroexpand, _cpp_lex_token): New functions.
6292 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
6293 parse_goto_mark): Delete.
6294 (_cpp_handle_eof): New function.
6295 (_cpp_handle_directive): Rename from handle_directive.
6296 (_cpp_output_line_command): Rename from output_line_command.
6297 (do_if, do_elif): Call _cpp_parse_expr directly.
6298 * cppfiles.c (_cpp_read_include_file): Don't call
6299 init_input_buffer here.
6300 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
6301 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
6302 here; pop the token_buffer and skip the rest of the line here.
6303 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
6306 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
6308 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
6309 CPP_GOTO_MARK): New macros.
6310 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
6311 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
6312 _cpp_read_and_prescan, _cpp_init_input_buffer,
6313 _cpp_grow_token_buffer, _cpp_get_directive_token,
6314 _cpp_handle_directive, _cpp_handle_eof,
6315 _cpp_output_line_command): Prototype them here.
6316 * cpplib.h (enum cpp_token): Add CPP_MACRO.
6317 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
6318 quote_string, output_line_command): Remove.
6320 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
6322 * stmt.c (expand_end_case): RANGE may be signed, and when checking
6323 whether it is too large we must also verify that it isn't negative.
6325 2000-03-13 Jakub Jelinek <jakub@redhat.com>
6327 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
6328 (movsi_zero_liveg0): Remove.
6329 (movsf_insn_novis_liveg0): Remove.
6331 (negsi2_not_liveg0): Rename to negsi2.
6332 (one_cmplsi2): Remove.
6333 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
6334 (one_cmplsi2_liveg0): Remove.
6335 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
6336 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
6337 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
6338 (PREDICATE_CODES): Remove zero_operand.
6339 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
6340 TARGET_BROKEN_SAVERESTORE.
6341 (zero_operand): Remove.
6342 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
6343 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
6345 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
6346 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
6347 TARGET_BROKEN_SAVERESTORE): Remove.
6348 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6350 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6352 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6355 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
6357 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6359 * cpplib.c (do_pragma_implementation): Fix off-by-one error
6360 truncating a string. Don't assume tokens are nul terminated.
6361 Problem noted by Andreas Jaeger <aj@suse.de>
6363 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
6365 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
6366 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
6367 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
6369 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
6371 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
6372 STRUCTURE_SIZE_BOUNDARY.
6374 2000-03-13 Mark Mitchell <mark@codesourcery.com>
6376 * tree.h (record_layout_info_s): New structure.
6377 (record_layout_info): New type.
6378 (new_record_layout_info): New function.
6379 (layout_field): Likewise.
6380 (finish_record_layout): Likewise.
6381 * stor-layout.c (layout_record): Remove.
6382 (new_record_layout_info): New function.
6383 (layout_field): New function, broken out from layout_record.
6384 (finalize_record_size): Likewise.
6385 (compute_record_mode): Likewise.
6386 (finalize_type_size): New function, broken out from layout_type.
6387 (finish_record_layout): Likewise.
6388 (layout_type): Use them.
6390 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6392 * cpphash.c: Don't include version.h.
6393 (special_symbol) [case T_VERSION]: Look for the string in
6394 hp->value.cpval; don't use version_string.
6395 * cppinit.c (initialize_builtins): Set hp->value.cpval for
6396 __VERSION__ to version_string.
6397 * Makefile.in (cpphash.o): Update deps.
6399 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6401 Convert cpplib to use libiberty/hashtab.c.
6403 * cpplib.h (struct cpp_reader): Make hashtab and
6404 all_include_files of type 'struct htab *'. Delete HASHSIZE
6405 and ALL_INCLUDE_HASHSIZE macros.
6407 * cpphash.h: Update prototypes.
6408 (struct hashnode): Remove next, prev, and bucket_hdr members.
6409 Make length a size_t. Add hash member.
6410 (struct ihash): Remove next member. Add hash member. Make
6411 name a flexible array member.
6413 * cppfiles.c: Include hashtab.h.
6414 (include_hash): Delete.
6415 (IHASHSIZE): New macro.
6416 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
6417 (cpp_included): Do the hash lookup here.
6418 (_cpp_find_include_file): Rewrite.
6419 (cpp_read_file): Put the "fake" hash entry into the hash
6420 table. Honor the control_macro, if it turns out we've seen
6421 the file before. Don't push the buffer here.
6422 (_cpp_read_include_file): Push the buffer here.
6423 (OMODES): New macro. Use it whenever we call open(2).
6425 * cpphash.c: Include hashtab.h.
6426 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
6427 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
6428 _cpp_lookup_slot): New functions.
6429 (HASHSIZE): new macro.
6430 (hashf, _cpp_install, _cpp_delete_macro): Delete.
6431 (_cpp_lookup): Use hashtab.h routines.
6433 * cppinit.c: Include hashtab.h.
6434 (cpp_reader_init): Call _cpp_init_macro_hash and
6435 _cpp_init_include_hash. Don't allocate hashtab directly.
6436 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
6437 pfile->all_include_files.
6438 (initialize_builtins): Use _cpp_make_hashnode and
6439 htab_find_slot to add hash entries.
6440 (cpp_finish): Just call _cpp_dump_macro_hash.
6441 * cpplib.c: Include hashtab.h.
6442 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
6443 create hash entries.
6444 (do_pragma_poison, do_assert): Likewise.
6445 (do_include): Don't push the buffer here. Don't increment
6446 system_include_depth unless _cpp_read_include_file succeeds.
6447 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
6449 (do_pragma_implementation): Use alloca to create copy.
6451 * Makefile.in: Update dependencies.
6453 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6455 * cppinit.c (cl_directive_handler): More K&R fixing.
6457 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
6459 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
6461 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
6463 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6465 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
6466 Change from char[] to macros.
6468 2000-03-12 Neil Booth <NeilB@earthling.net>
6470 * cppinit.c (cpp_start_read): Update indirect function
6473 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
6475 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
6478 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
6479 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
6481 2000-03-11 Neil Booth <NeilB@earthling.net>
6483 * cppinit.c (struct pending option): Replace undef with a
6484 pointer to a directive handling routine.
6485 (struct cpp_pending): Replace separate assert_ and define_
6486 lists with one directive_ list.
6487 (new_pending_define): Rename new_pending_directive. Extra
6488 argument is the directive's handling routine.
6489 (handle_option): Update to use new_pending_directive.
6491 2000-03-11 Neil Booth <NeilB@earthling.net>
6493 * cppfiles.c (file_cleanup, _cpp_find_include_file,
6494 remap_filename, _cpp_read_include_file, actual_directory,
6495 hack_vms_include_specification): Replace bcopy(), index() etc
6496 calls. Add casts to some allocations. Make some variables
6497 pointers to const [unsigned] char.
6498 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
6499 collect_formal_parameters): Similarly.
6500 * cppinit.c (struct pending_option, append_include_chain,
6501 cpp_options_init, cpp_reader_init, initialize_standard_includes,
6502 cpp_start_read, new_pending_define, handle_option): Similarly.
6503 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
6504 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
6505 do_pragma_implementation, detect_if_not_defined,
6506 do_ifdef, skip_if_group, cpp_get_token, parse_string,
6507 do_assert, do_unassert): Similarly.
6508 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
6509 function prototypes.
6510 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
6512 2000-03-10 Richard Henderson <rth@cygnus.com>
6514 * builtins.c (expand_builtin_strlen): Revert last change.
6515 Use emit_insn_before if we're at the beginning of a sequence.
6517 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
6519 * builtins.c (expand_builtin_strlen): Make sure that we have something
6520 at the beginning of the sequence.
6522 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
6525 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
6527 2000-03-10 Richard Henderson <rth@cygnus.com>
6529 * except.c (can_throw): Use INTVAL on a CONST_INT.
6530 (reachable_handlers): Likewise.
6531 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
6533 2000-03-10 Andreas Jaeger <aj@suse.de>
6535 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
6536 MD_STARTFILE_PREFIX since those are not needed on linux.
6537 (ASM_FILE_START): New, from mips/gnu.h.
6539 2000-03-09 Richard Henderson <rth@cygnus.com>
6540 Alex Samuel <samuel@codesourcery.com> and others
6542 * Makefile.in (ssa.o): New rule.
6544 (STAGESTUFF): Add *.ssa and *.ussa.
6545 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
6546 * rtl.def (PHI): New RTL expression.
6547 * rtl.h (clear_log_links): New declaration.
6548 (convert_to_ssa): Likewise.
6549 (convert_from_ssa): Likewise.
6550 * flow.c (split_edge): If the entry node falls through to the
6551 split edge's source block, split the entry edge.
6552 (clear_log_links): New function.
6553 * toplev.c (ssa_dump): New variable.
6554 (flag_ssa): Likewise.
6555 (f_options): Add "ssa".
6556 (compile_file): Create SSA dump files.
6557 (rest_of_compilation): Go to and from SSA if enabled.
6558 (decide_d_option): Handle -de for SSA dump files.
6561 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
6563 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
6566 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
6568 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
6570 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
6572 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
6573 (MD_STARTFILE_PREFIX_1): New macro.
6575 2000-03-09 Robert Lipe <robertl@sco.com>
6577 * config/ia64/ia64.c: Include system.h.
6579 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6581 * except.c (nothrow_function_p): If -fno-exceptions, just return.
6582 (init_eh_nesting_info): Likewise.
6584 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
6585 (TREE_NOTHROW): Rename from TREE_RAISES.
6586 * toplev.c (rest_of_compilation): Set it.
6587 * print-tree.c (print_node): Adjust.
6588 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
6589 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
6590 * calls.c (emit_call_1): Add 'nothrow' parm. Add
6591 REG_EH_REGION note as appropriate.
6592 (libfunc_nothrow): New fn.
6593 (emit_library_call, emit_library_call_value): Use it.
6594 (expand_call): Check TREE_NOTHROW.
6596 * varasm.c (make_decl_rtl): Skip initial '*' when setting
6597 DECL_ASSEMBLER_NAME.
6599 2000-03-09 Andreas Jaeger <aj@suse.de>
6601 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
6602 (TARGET_MEM_FUNCTIONS): Define.
6604 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6606 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
6608 * except.c (can_throw): See through a SEQUENCE.
6609 (nothrow_function_p): New fn.
6610 * except.h: Declare it.
6611 * function.c (current_function_nothrow): New var.
6612 (prepare_function_start): Initialize it.
6613 * output.h: Declare it.
6614 * toplev.c (rest_of_compilation): Set it.
6615 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
6617 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
6619 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
6620 match. (cpp_compare_defs): Count the nul separator when
6621 advancing over argument names.
6623 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
6625 * recog.c (preprocess_constraints): Matching constraints affect
6626 same alternative/different operand, not same operand/different
6629 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
6630 register and a constant specially.
6632 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6634 * libgcc2.h: New file.
6635 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
6637 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
6639 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
6640 * configure: Regenerate.
6643 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6645 * Makefile.in (LIBCPP_DEPS): New macro.
6646 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
6648 * cpperror.c: Include cpphash.h.
6649 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
6651 (lex): Don't use CPP_WARN_UNDEF.
6652 (_cpp_parse_expr): Return an int, the truth value.
6653 * cppfiles.c: Include cpphash.h.
6654 (_cpp_merge_include_chains): Move to cppinit.c and make static.
6655 * cppinit.c (include_defaults_array): Disentangle.
6656 (cpp_cleanup): Don't free the if stack here.
6657 (cpp_finish): Pop off all buffers, not just one.
6658 * cpplib.c (eval_if_expr): Return int.
6659 (do_xifdef): Rename do_ifdef.
6660 (handle_directive): Don't use CPP_PREPROCESSED.
6661 (cpp_get_token): Don't use CPP_C89.
6662 * fix-header.c: Don't use CPP_OPTIONS.
6664 * cpplib.h: Move U_CHAR, enum node_type, struct
6665 file_name_list, struct ihash, is_idchar, is_idstart,
6666 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
6667 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
6668 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
6669 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
6670 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
6671 of _cpp_simplify_pathname, _cpp_find_include_file,
6672 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
6673 Move struct if_stack to cpplib.c. Move struct cpp_pending to
6675 Change all uses of U_CHAR to be unsigned char instead.
6676 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
6678 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6680 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
6681 (dwarf2out_begin_prologue): Set it.
6682 (output_call_frame_info): Don't emit EH unwind info for leaves.
6684 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
6685 can occur outside of an EH region.
6686 * except.c: Correct comments about rethrow behavior.
6687 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
6689 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
6691 * flow.c (make_edges): Always call make_eh_edge for calls.
6693 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6695 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
6696 (struct cpp_buffer): Remove fname and underflow fields.
6697 (struct cpp_reader): Remove get_token field.
6698 (struct include_hash): Rename to struct ihash. Add typedef to
6700 (struct if_stack): Remove fname field.
6701 (IF_STACK_FRAME): Rename to IF_STACK.
6703 * cpperror.c (print_containing_files): Trust that there are no
6704 macro buffers below the top file buffer.
6705 * cppfiles.c: Replace all references to 'struct include_hash'
6706 with 'IHASH'. Rename initialize_input_buffer to
6707 init_input_buffer. Don't set or reference cpp_buffer->fname,
6708 use buffer->ihash->name instead.
6709 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
6710 not CPP_NULL_BUFFER.
6711 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
6712 IF_STACK_FRAME, IHASH not struct include_hash.
6713 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
6714 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
6715 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
6716 references to cpp_buffer->fname (delete entirely, or use
6717 ->ihash->name instead) and IF_STACK->fname.
6718 (cpp_push_buffer): Don't set new->underflow.
6719 (do_include): Use cpp_file_buffer.
6721 * cpphash.c (collect_formal_parameters): Remove duplicate
6722 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
6723 used as a macro argument name. Don't append "..." to namebuf
6724 for varargs macros. After we're done scanning, go through
6725 namebuf and make it NUL separated, not comma separated.
6726 (_cpp_compare_defs): Remove register tag from variables.
6727 Expect defn->argnames to be NUL separated.
6728 (_cpp_dump_definition): Expect defn->argnames to be NUL
6729 separated and in forward order.
6730 * cpphash.h: Update documentation of argnames field.
6732 2000-03-08 Richard Henderson <rth@cygnus.com>
6734 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
6735 to fail. Don't pre-expand the source operand.
6737 * i386.md (strlensi): Initialize eoschar and align before use.
6739 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6741 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
6742 CONSTRUCTOR element.
6744 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
6746 * mips.c (mips_expand_prologue): If the last
6747 named argument is the vararg marker "va_list", treat it as
6748 an unnamed argument.
6750 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
6752 * dbxout.c (dbxout_parms): When correcting for promoted
6753 big-endian parameters, use the mode of the DECL_RTL rather
6754 than UNITS_PER_WORD.
6756 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
6758 * c-common.h (make_fname_decl): Declare.
6759 * c-common.c (make_fname_decl): Define.
6760 (declare_hidden_char_array): Remove.
6761 (declare_function_name): Use make_fname_decl.
6762 * c-decl.c (c_make_fname_decl): New function.
6763 (init_decl_processing): Set make_fname_decl.
6765 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
6767 * cccp.c (handle_directive): Initialize backslash_newlines_p.
6769 2000-03-07 Philipp Thomas <pthomas@suse.de>
6771 * po/POTFILES.in: Remove cppalloc.c from file list.
6773 2000-03-07 Steve Chamberlain <sac@pobox.com>
6775 * pj.c (pj_expand_prologue): current_function->args_info is
6776 now current_function_args_info.
6778 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
6779 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
6780 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
6782 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6784 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
6785 output as hexadecimal rather than the default octal.
6787 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6789 * cpphash.c (special_symbol): Fix thinko in previous commit.
6791 2000-03-07 Neil Booth <NeilB@earthling.net>
6793 * cppexp.c (struct operation, left_shift, right_shift,
6794 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
6795 "int"s to "unsigned int"s.
6796 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
6798 * cpplib.h: Update for above.
6799 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
6800 returned from allocations.
6802 * cppinit.c (opt_comp, parse_options): New functions.
6803 (handle_option): Use parse_option to parse a single command
6804 line option, that possibly takes an argument.
6805 (cpp_handle_options): Sort the array of command line options on
6806 first invocation (non-ASCII hosts only).
6807 (print_help): Update.
6809 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6811 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
6812 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
6814 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
6816 * cppinit.c (cpp_cleanup): Free imp->nshort also.
6818 * cpperror.c (cpp_print_containing_files,
6819 cpp_print_file_and_line, v_cpp_message): Rename to
6820 print_containing_files, print_file_and_line, and v_message.
6821 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
6822 to _cpp_parse_expr, parse_escape, and lex.
6823 (parse_charconst): Remove broken multibyte support.
6824 * cppfiles.c (include_hash): Make static.
6825 (cpp_included): New function.
6826 (merge_include_chains, find_include_file, finclude,
6827 simplify_pathname): Rename to _cpp_merge_include_chains,
6828 _cpp_find_include_file, _cpp_read_include_file, and
6829 _cpp_simplify_pathname.
6830 * cpphash.c (cpp_lookup, free_definition, delete_macro,
6831 cpp_install, create_definition, macroexpand, compare_defs,
6832 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
6833 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
6834 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
6835 * cppinit.c (cpp_handle_option): Rename to handle_option, make
6837 * cpplib.c: Remove extern prototype of cpp_parse_expr.
6839 * cpphash.h: Update prototypes.
6840 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
6842 2000-03-07 Andrew Haley <aph@cygnus.com>
6844 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
6845 PTRDIFF_TYPE should be based solely on Pmode.
6848 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6850 * rtl.h (rtunion_def): Constify member `rtstr'.
6851 (emit_line_note_after, emit_line_note, emit_line_note_force,
6852 emit_note, decode_asm_operands): Constify.
6854 * cse.c (canon_hash): Likewise.
6856 * dbxout.c (dbxout_block): Likewise.
6858 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
6859 v_warning_for_asm): Likewise.
6861 * dwarfout.c (function_start_label): Likewise.
6863 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
6864 emit_line_note_force): Likewise.
6866 * final.c (last_filename, asm_insn_count, final_scan_insn,
6867 output_source_line): Likewise.
6869 * function.h (struct emit_status): Likewise.
6871 * gcse.c (hash_expr_1): Likewise.
6873 * genattr.c (gen_attr, main): Likewise.
6875 * genattrtab.c (struct function_unit, current_alternative_string,
6876 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
6877 attr_numeral, check_attr_test, check_attr_value,
6878 convert_set_attr_alternative, convert_set_attr,
6879 compute_alternative_mask, simplify_by_exploding, gen_attr,
6880 gen_unit): Likewise.
6882 * genflags.c (gen_insn): Likewise.
6884 * gengenrtl.c (type_from_format): Likewise.
6886 * genopinit.c (gen_insn): Likewise.
6888 * genoutput.c (n_occurrences, process_template, process_template):
6891 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6894 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6897 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
6898 ggc_set_mark, ggc_get_size): Likewise.
6900 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
6902 * optabs.c (init_one_libfunc): Likewise.
6904 * output.h (assemble_start_function): Likewise.
6906 * recog.c (decode_asm_operands): Likewise.
6908 * toplev.c (rest_of_compilation): Likewise.
6910 * tree.h (emit_line_note_after, emit_line_note,
6911 emit_line_note_force): Likewise.
6913 * varasm.c (asm_output_bss, asm_output_aligned_bss,
6914 asm_emit_uninitialised, assemble_start_function,
6915 assemble_variable, const_hash, compare_constant_1,
6916 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
6918 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
6920 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
6922 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
6924 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
6926 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
6927 arm_dllimport_name_p): Likewise.
6929 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
6932 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
6934 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6936 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
6937 arm_mark_dllexport, arm_mark_dllimport,
6938 arm_pe_encode_section_info): Likewise.
6940 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
6941 ASM_FINISH_DECLARE_OBJECT): Likewise.
6943 * arm/thumb.c (thumb_function_prologue): Likewise.
6945 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
6947 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6949 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
6951 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
6953 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
6955 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6957 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
6958 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
6960 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
6962 * i386/i386.c (asm_output_function_prefix): Likewise.
6964 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
6966 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6968 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
6970 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
6971 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
6972 ASM_OUTPUT_SECTION_NAME): Likewise.
6974 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
6976 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
6978 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
6980 * m32r/m32r.c (m32r_encode_section_info): Likewise.
6982 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6984 * mcore/mcore.c (mcore_encode_section_info): Likewise.
6986 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6988 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6990 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6992 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
6994 * mips/mips.md (movdi, movsi): Likewise.
6996 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6998 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7000 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7002 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
7003 ASM_OUTPUT_ASCII): Likewise.
7005 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
7006 output_mi_thunk, output_toc): Likewise.
7008 * rs6000/rs6000.md (movsi): Likewise.
7010 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
7012 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
7014 * v850/v850.c (print_operand, print_operand_address,
7015 v850_encode_data_area): Likewise.
7017 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
7019 * config/mips/mips.md (zero_extendsidi2): Always force operand
7020 one to memory for mips16.
7022 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7024 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
7025 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
7026 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
7027 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
7028 (min_precision): Result is unsigned.
7029 (add_double, neg_double, mul_double): Low word is unsigned.
7030 (lshift_double, rshift_double, lrotate_double): Likewise.
7031 (rrotate_double, div_and_round_double): Likewise.
7032 (tree_floor_log2, compare_tree_int): New functions.
7033 (preserve_rtl_expr_temps): New declaration.
7034 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
7035 (decl_attributes): Use tree_log2 to find alignment.
7036 Check for TREE_INT_CST_HIGH for format args.
7037 (min_precision): Now unsigned.
7038 Use tree_floor_log2.
7039 (truthvalue_conversion): Delete long-disabled code.
7040 * c-decl.c (finish_struct): Clean up tests on field width.
7041 (finish_function): Use compare_tree_int.
7042 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
7043 * c-typeck.c (comptypes): Use tree_int_cst_equal.
7044 (default_conversion, digest_init): Use compare_tree_int.
7045 (build_binary_op): Use integer_all_onesp and compare_tree_int.
7046 Fix type errors in forming masks.
7047 * calls.c (initialize_argument_information): Use compare_tree_int.
7048 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
7049 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
7050 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
7051 (store_field): Use compare_tree_int.
7052 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
7053 (expand_expr, case ARRAY_REF): Use compare_tree_int.
7054 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
7055 (do_store_flag): Use compare_tree_int.
7056 * fold-const.c (encode, decode): Low part is always unsigned.
7057 (force_fit_type, add_double, neg_double, mul_double): Likewise.
7058 (lshift_double, rshift_double, lrotate_double): Likewise.
7059 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
7060 (fold_convert): Use compare_tree_int.
7061 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
7062 (invert_truthvalue, case INTEGER_CST): Likewise.
7063 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
7064 * mkdeps.c (deps_dummy_targets): Make I unsigned.
7065 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
7066 (lshift_double, rshift_double, lrotate_double, rrotate_double):
7068 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
7069 (expand_end_case): Use compare_tree_int.
7070 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
7071 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
7072 (layout_decl): Likewise.
7073 (layout_record, layout_union): Make sizes unsigned.
7074 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
7075 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
7076 * tree.c (struct type_hash): hashcode is unsigned.
7077 (build_type_attribute_variant, type_hash_list): Likewise.
7078 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
7079 (attribute_hash_list, build_array_type, build_method_type): Likewise.
7080 (build_complex_type): Likewise.
7081 (real_value_from_int_cst): Remove unneeded casts.
7082 (integer_all_onesp): Add casts.
7083 (tree_floor_log2, compare_tree_int): New functions.
7084 (build_index_type): Use tree_int_cst_sgn.
7085 * varasm.c (assemble_variable): Use compare_tree_int.
7087 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
7089 * cpphash.c (collect_expansion): Also catch ## at start of macro.
7091 * varasm.c (make_decl_rtl): Don't add a number to members of
7093 (make_function_rtl): Likewise.
7095 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7097 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
7098 patch from 2000-01-28.
7100 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
7102 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
7103 filled with an insn from the jump target.
7105 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7107 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
7108 (c4x_external_ref): Likewise.
7109 * config/c4x/c4x.c (struct name_list): Likewise.
7111 1999-12-16 Ben Collins <bcollins@debian.org>
7113 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
7114 argument to genmultilib.
7115 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
7116 the contents into the multilib.h header.
7117 * gcc.c: Declare multilib_exclusions for the specs file.
7118 (set_multilib_dir): Use it.
7119 (print_multilib_info): Likewise.
7120 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
7121 to pass to genmultilib.
7123 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7125 * builtins.c (built_in_class_names, built_in_names): Constify a
7128 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
7130 (_mcleanup): Ensure value matches format specifier in sprintf.
7132 * cpphash.c (special_symbol): Don't needlessly cast away
7135 * cppinit.c (base_name): Delete unused prototype.
7137 * mkdeps.c (deps_init): Make definition K&R safe.
7139 * tree.h (built_in_class_names, built_in_names): Constify a
7142 2000-03-06 Jakub Jelinek <jakub@redhat.com>
7144 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
7145 floating point instructions for epilogue delay.
7147 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
7148 to gas if it supports .register pseudo.
7150 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
7151 LONG_DOUBLE_TYPE_SIZE if not defined.
7152 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
7153 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
7155 * gengenrtl.c: Likewise.
7156 * print-rtl.c: Likewise.
7158 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
7159 MASK_LONG_DOUBLE_128.
7160 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
7161 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
7162 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
7163 (SUBTARGET_SWITCHES): Define.
7164 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
7165 with -mlong-double-128.
7166 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
7167 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
7168 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
7169 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
7170 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
7171 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
7172 with -mlong-double-128.
7173 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
7174 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
7175 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
7176 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
7177 TARGET_LONG_DOUBLE_128): Define.
7178 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
7179 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
7180 long double on TARGET_ARCH64.
7182 2000-03-06 Mark Mitchell <mark@codesourcery.com>
7184 * function.c (free_temps_for_rtl_expr): Don't free slots
7185 that have been pushed into a higher level.
7188 2000-03-05 Mark Mitchell <mark@codesourcery.com>
7190 2000-03-05 Mark Mitchell <mark@codesourcery.com>
7192 * basic-block.h (ALLOCA_REG_SET): Remove.
7193 (INITIALIZE_REG_SET): New macro.
7194 * flow.c (update_life_info): Use it.
7195 (calculate_global_regs_live): Likewise.
7196 (propagate_block): Likewise.
7197 * global.c (build_insn_chain): Likewise.
7198 * haifa-sched.c (schedule_region): Likewise.
7200 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
7202 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
7203 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
7204 (DWARF_ARANGES_PAD_SIZE): New define.
7205 (output_aranges): Use it to pad the address range header.
7206 (DWARF_ROUND): Fix for non power of 2 rounding.
7208 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
7210 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
7212 2000-03-05 Mark Mitchell <mark@codesourcery.com>
7214 * tree.def (RTL_EXPR): Update documentation.
7215 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
7216 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
7217 * function.c (preserve_rtl_expr_temp): New function.
7218 (preserve_rtl_expr_temps): Likewise.
7219 (preserve_rtl_expr_result): Use it.
7222 2000-03-04 Mark Mitchell <mark@codesourcery.com>
7224 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
7226 * regmove.c (copy_src_to_dest) Do not create src->dest move
7227 for unchanging destination.
7229 2000-03-04 Mark Mitchell <mark@codesourcery.com>
7231 * function.h (struct sequence_stack): Remove rtl_expr.
7232 (struct emit_staus): Likewise.
7233 (seq_rtl_expr): Remove.
7234 * tree.h (free_temps_for_rtl_expr): Don't declare.
7235 (start_sequence_for_rtl_expr): Likewise.
7236 * rtl.h (preserve_rtl_expr_result): Likewise.
7237 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
7238 (start_sequence_for_rtl_expr): Remove.
7239 (push_topmost_sequence): Don't save sequence_rtl_expr.
7240 (pop_topmost_sequence): Remove comment about not restoring it.
7241 (end_sequence): Don't set seq_rtl_expr.
7242 (init_emit): Don't initialize it.
7243 (mark_sequence_stack): Don't mark it.
7244 (mark_emit_status): Likewise.
7245 * except.c (protect_with_terminate): Use
7246 start_sequence_for_rtl_expr, not start_sequence.
7247 * expr.c (expand_expr, case RTL_EXPR): Don't call
7248 preserve_rtl_expr_result or free_temps_for_rtl_expr.
7249 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
7250 (preserve_rtl_expr_result): Remove.
7251 (free_temps_for_rtl_expr): Likewise.
7252 (pop_temp_slots): Likewise.
7253 (mark_temp_slot): Don't mark the rtl_expr.
7254 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
7255 start_sequence_for_rtl_expr.
7257 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
7259 * mkdeps.c, mkdeps.h: New files.
7260 * po/POTFILES.in: Add them.
7261 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
7262 (cpplib.o, cppinit.o): Depend on mkdeps.h.
7263 (mkdeps.o): New target.
7265 * cppfiles.c: Delete deps_output.
7266 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
7267 OBJECT_SUFFIX, and base_name.
7268 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
7270 (initialize_dependency_output): Use deps_init,
7271 deps_add_target, deps_calc_target, and deps_add_dep. Remove
7272 all the unnecessary string bashing.
7273 (cpp_finish): Use deps_write. Remove an unnecessary nesting
7275 * cpplib.c (do_include): Use deps_add_dep.
7276 * cpplib.h (struct cpp_reader): Replace deps_buffer,
7277 deps_allocated_size, deps_size, deps_column members with
7278 single pointer to a struct deps. Delete prototype of
7281 * cppinit.c: Fix thinko in previous patch.
7283 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7285 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
7286 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
7287 (mode_for_size_tree): New function.
7288 (layout_decl, layout_type): Call it and clean up BLKmode checks.
7289 * tree.h (mode_for_size_tree): New declaration.
7291 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
7293 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
7295 * stmt.c (is_body_block): Move...
7296 * dwarfout.c, dwarf2out.c: ...from here.
7297 * tree.h: Declare it.
7298 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
7299 * final.c (final_start_function): Do call remove_unnecessary_notes
7302 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
7304 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
7306 * cpplib.h (_dollar_ok): New macro.
7307 (is_idchar, is_idstart): Use it.
7308 (IStable): Rename to _cpp_IStable. Declare it const if
7309 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
7310 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
7311 is_space): Update for renamed IStable.
7313 * cppinit.c: Delete all references to FAKE_CONST and CAT
7314 macros. Define init_IStable as empty macro if gcc >=2.7 or
7315 C99. Change TABLE() to ISTABLE and hardcode name of table.
7316 (cpp_start_read): Don't change the IStable based on
7319 * cpphash.c (unsafe_chars): Add pfile argument. All callers
7320 changed. Handle '$' for char1 correctly.
7321 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
7323 * cppexp.c (tokentab2): Make const.
7324 (cpp_lex): Make toktab const.
7325 * cppinit.c (include_defaults_array): Make const.
7326 (initialize_standard_includes): Make default_include const.
7328 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7330 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
7331 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
7332 (gen_decl_die): Likewise.
7333 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
7334 (output_decl): Likewise.
7336 * varasm.c (make_function_rtl): If we change the name used in the
7337 rtl, update DECL_ASSEMBLER_NAME accordingly.
7338 (make_decl_rtl): Likewise.
7340 * toplev.c (rest_of_compilation): Tweak formatting.
7342 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
7343 remove_unnecessary_notes.
7344 (debug_ignore_block): New fn.
7345 * toplev.h: Declare it.
7346 * emit-rtl.c (remove_unncessary_notes): Call it.
7347 * dwarf2out.c (dwarf2out_ignore_block): New fn.
7348 * dwarf2out.h: Declare it.
7349 * final.c (final_start_function): Don't call remove_unnecessary_notes
7350 if we did insn scheduling.
7352 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
7354 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
7355 * cpplib.h: Delete SET_CPP_PEDANTIC.
7357 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7359 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
7360 result is a RECORD_TYPE.
7362 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
7364 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
7366 2000-03-03 Richard Henderson <rth@cygnus.com>
7368 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
7369 addition over compliments over shifts.
7371 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7373 * reload1.c (reload_combine_note_use): Handle return register USEs.
7374 REG case: Handle multi-hard-register hard regs.
7376 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7378 * md.texi: Document use of '*' in insn pattern name.
7380 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7382 * calls.c (special_function_p): operator new may not be malloc-like.
7384 * gcse.c (dump_hash_table): Really fix error in last change.
7386 2000-03-02 Denis Chertykov <denisc@overta.ru>
7388 * avr.c (print_operand): Use print_operand_address instead of
7390 * avr/libgcc.S: Cleanup code.
7392 2000-03-02 Richard Henderson <rth@cygnus.com>
7394 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
7396 2000-03-02 Mark Mitchell <mark@codesourcery.com>
7398 * tree.h (TYPE_ALIGN_UNIT): New macro.
7400 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
7402 * i386.c: (constant_call_address_operand): Reject CONST_INT.
7404 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
7406 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
7408 (SET_CPP_PEDANTIC): New macro.
7409 * cpplib.c (do_include): Don't bother checking system_header_p.
7410 (do_warning, do_ident, do_assert, do_unassert): Likewise.
7411 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
7413 * function.h (struct expr_status): Add x_arg_space_so_far.
7414 (arg_space_so_far): New macro.
7415 * expr.c (init_expr): Initialize it.
7416 * calls.c (emit_call_1): Reset it.
7417 (compute_argument_block_size, expand_call): Use it.
7418 (expand_call, store_one_arg): Increment it.
7420 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7422 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
7425 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
7427 * cppfiles.c (cpp_read_file): New function.
7429 * cpphash.c (collect_expansion): Make sure to reset last_token
7430 to NORM when we hit a string. Handle trailing whitespace
7431 properly when the expansion is empty.
7432 (create_definition): Disable line commands while parsing the
7434 (dump_definition): If pfile->lineno == 0, output a line
7435 command ahead of the dump, and add a trailing newline.
7437 * cppinit.c (append_include_chain): Add fifth argument, which
7438 indicates whether or not system headers are C++ aware.
7439 (initialize_standard_includes): New function,
7440 broken out of read_and_prescan. Pass 'cxx_aware' value from
7441 the include_defaults_array on to append_include_chain.
7442 (dump_special_to_buffer): Const-ify char array.
7443 (builtin_array): Don't dump __BASE_FILE__.
7444 (cpp_start_read): Use cpp_read_file. Reorder code for
7445 clarity. Don't output line commands here for -D/-A/-U
7446 switches. Don't call deps_output for files included with
7447 -include or -imacros.
7449 * cpplib.c (do_define): Don't pay any attention to the second
7451 (cpp_expand_to_buffer): Disable line commands while scanning.
7452 (output_line_command): Work in the file buffer.
7453 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
7454 Fix formatting of comments. Prototype cpp_read_file.
7456 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7458 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
7459 reference the language-equivalent of sizetype.
7460 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
7461 * fold-const.c (size_binop, size_diffop): Put back checks.
7462 * gcse.c (dump_hash_table): Fix minor error in last change.
7463 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
7464 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
7467 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
7469 * calls.c (expand_call) Do not attempt to combine stack adjustments
7470 with inhibit_defer_pop set.
7472 2000-03-01 Mark Mitchell <mark@codesourcery.com>
7474 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
7475 the DECL_SIZE for a FIELD_DECL.
7477 2000-03-01 Bruce Korb <bkorb@gnu.org>
7479 * fixinc/inclhack.tpl: remove unused symlinks
7480 * fixinc/README: GCC Maintainer info
7481 * fixinc/inclhack.sh: regen
7482 * fixinc/fixincl.sh: regen
7484 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
7486 * cpphash.c (collect_expansion): Trim trailing white space
7487 from macro definitions, but don't go past the last insertion
7490 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
7492 * i386.md (mulqi3): New pattern.
7494 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
7496 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
7498 (struct cpp_reader): Add parsing_if_directive and
7499 parsing_define_directive flags.
7500 (struct cpp_options): Remove output_conditionals flag.
7501 (check_macro_name): Delete prototype.
7503 * cpphash.h (struct macrodef): Delete.
7504 (struct reflist): Separate from struct definition.
7505 (struct definition): Remove unused fields. Add column number.
7506 (create_definition): Returns a DEFINITION *. Takes a
7507 cpp_reader * and an int.
7509 * cpphash.c (SKIP_WHITE_SPACE): Delete.
7510 (PEEKC): Copy defn from cpplib.c.
7511 (rest_extension, REST_EXTENSION_LENGTH): Delete.
7513 (struct arglist): Simplify.
7514 (collect_expansion): Rewrite. Get tokens by calling
7515 cpp_get_token. Add more error checking.
7516 (collect_formal_parameters): New function, broken out of
7517 create_definition and reworked to use get_directive_token.
7518 (create_definition): All real work is now in collect_expansion
7519 and collect_formal_parameters. do_define handles finding the
7520 macro name. Return a DEFINITION, not a MACRODEF.
7521 (macroexpand): Replace bcopy with memcpy throughout. Replace
7522 character-at-a-time copy loop with memcpy and pointer increments.
7523 (compare-defs): d1->argnames / d2->argnames might be null.
7525 * cpplib.c (copy_rest_of_line): Delete function.
7526 (skip_rest_of_line): Do all the work ourselves.
7527 (skip_string): New function.
7528 (parse_string): Use skip_string.
7529 (get_macro_name): New function.
7530 (check_macro_name): Delete.
7531 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
7532 (cpp_skip_hspace): Use CPP_BUMP_LINE.
7533 (handle_directive): ICE if we're called on a macro buffer.
7534 (do_define): Determine macro name and type (funlike/objlike)
7535 here. Expunge all uses of MACRODEF.
7536 (cpp_push_buffer): Set line_base to NULL.
7537 (do_undef, read_line_number): Don't worry about getting a POP token.
7538 (eval_if_expression): Set/reset parsing_if_directive around
7539 cpp_parse_expr. Don't clear only_seen_white.
7540 (skip_if_group): Remove output_conditionals logic. Use
7542 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
7543 tokens under appropriate conditions.
7544 (cpp_unassert): Call do_unassert not do_assert. Oops.
7546 * cppexp.c (parse_defined): New function, break out of
7548 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
7549 ourselves, with cpp_defined.
7550 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
7552 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
7553 * gcc.dg/strpaste-2.c: New.
7555 2000-02-29 Mark Mitchell <mark@codesourcery.com>
7557 * fold-const.c (size_binop): Don't asert inputs are the same and
7558 have TYPE_IS_SIZETYPE set.
7559 (size_diffop): Likewise.
7561 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
7563 * dwarfout.c (output_block): Output abstract blocks even if they
7564 don't have TREE_ASM_WRITTEN set.
7566 * calls.c (emit_library_call): Check for null REG.
7568 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
7570 * c-decl.c (current_function_decl): Move to toplev.c.
7571 (init_decl_processing): Don't add current_function_decl as a ggc
7573 * dbxout.c (dbxout_symbol): Change return type to int.
7574 (dbxout_symbol_location, dbxout_syms): Likewise.
7575 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
7576 any locals. Use current_function_func_begin_label if set.
7577 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
7578 * dwarf2out.c (dwarf2out_begin_prologue): Set
7579 current_function_func_begin_label.
7580 * final.c (final_start_function): Reset it.
7581 * toplev.c (current_function_decl): Define it here.
7582 (current_function_func_begin_label): New variable.
7583 (main): Add both as ggc roots.
7584 * tree.h (current_function_func_begin_label): Declare.
7586 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7588 * gcse.c: Cleanups throughout: mostly white-space, but also
7589 some minor rearrangement of code.
7591 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
7593 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
7594 returns a PARALLEL. Use emit_group_load and use_group_regs
7596 (emit_library_call_value): Similarly.
7598 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
7599 * pa/quadlib.asm: Remove.
7600 * pa/quadlib.c: New file.
7602 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
7603 * configure: Rebuilt.
7605 2000-02-29 Philip Blundell <pb@futuretv.com>
7607 * config/arm/conix-elf.h: New file.
7608 * configure.in (arm*-*-conix*): New configuration.
7609 * configure: Regenerate.
7611 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
7613 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
7614 don't have TREE_ASM_WRITTEN set.
7616 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7618 * Eliminate DECL_FIELD_SIZE.
7619 * builtins.c (built_in_class_names, built_in_names): New variables.
7620 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
7621 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
7622 DECL_SIZE, not DECL_FIELD_SIZE.
7623 * print-tree.c (print_node): Remove code that prints extra blank
7624 lines in some cases.
7625 Properly handle inline and builtin function cases.
7626 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
7627 * tree.h (built_in_class_named, built_in_names): New declarations.
7628 (union tree_decl): Rename internal unions to u1 and u2 and change
7629 some of their components.
7630 Add new field built_in_class.
7631 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
7632 Reflect above changes.
7633 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
7634 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
7635 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
7636 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
7638 2000-02-28 Dmitri Makarov <dim@windriver.com>
7640 * extend.texi: Document ARM's support for long/short calls.
7642 * invoke.texi: Document ARM's -mlong-calls command line switch.
7644 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
7645 (arm_encode_call_attribute): Add prototype.
7646 (arm_set_default_type_attribute): Add prototype.
7647 (arm_strip_name_encoding): Add prototype.
7649 * config/arm/arm.c (arm_init_cumulative_args): replace
7650 initialisation og 'long_calls' field with initialisation of
7651 'call_cookie' field.
7652 (enum arm_pragma_enum): New enum.
7653 (arm_pragma_long_calls): New static variable.
7654 (arm_process_pragma): Also process "#pragma long_calls_off".
7655 (arm_valid_type_attribute_p): Accept short_call attribute.
7656 (arm_comp_type_attributes): Check long/short call attributes.
7657 (arm_encode_call_attribute): New function: Encode long_call
7658 or short_call attribute in function name.
7659 (arm_set_default_type_attributes): New function: Assign
7660 default attributes to newly defined type.
7661 (current_file_function_operand): New function: Return true if
7662 the symbol is a function which has already been compiled.
7663 (arm_is_longcall_p): New function: Return true if the
7664 indicated function should be called via a long call.
7665 (arm_get_strip_length): New function. Returns number of
7666 prefix characters to be stripped from a function's name.
7667 (arm_strip_name_encoding): New function. Strip prefix characters
7668 from a function's name.
7670 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
7672 (SHORT_CALL_FAG_CHAR): Define.
7673 (LONG_CALL_FAG_CHAR): Define.
7674 (ENCODED_SHORT_CALL_ATTR_P): Define.
7675 (ENCODED_LONG_CALL_ATTR_P): Define.
7676 (ARM_NAME_ENCODING_LENGTHS): Define.
7677 (STRIP_NAME_ENCODING): Define.
7678 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
7679 (ARM_ENCODE_CALL_TYPE): Define.
7680 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
7681 (ARM_DECLARE_FUNCTION_SIZE): Define.
7682 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
7684 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
7685 if a long call is needed.
7686 (call_value): Ditto.
7687 (call_symbol): Ditto.
7689 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
7690 ARM_DECLARE_FUNCTION_SIZE.
7692 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
7693 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
7694 (ARM_STRIP_NAME_ENCODING): Undefine.
7695 (STRIP_NAME_ENCODING): Undefine.
7696 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
7697 (ASM_DECLARE_FUNCTION_NAME): Ditto.
7698 (ASM_OUTPUT_COMMON): Ditto.
7699 (ASM_DECLARE_OBJECT_NAME): Ditto.
7701 * config/arm/pe.c (arm_dllexport_name_p): Check for
7703 (arm_dllimport_name_p): Ditto.
7704 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
7705 (arm_mark_dllimport): Ditto.
7707 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7709 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
7711 2000-02-28 Mark Mitchell <mark@codesourcery.com>
7713 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
7715 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
7717 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
7718 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
7719 NO_BUILTIN_WCHAR_TYPE is not defined.
7720 (CPP_WCHAR_TYPE): Delete.
7721 * cccp.c (main): Don't change wchar_type if cplusplus.
7722 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
7724 2000-02-28 Nick Clifton <nickc@cygnus.com>
7726 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
7728 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
7730 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
7731 (ASM_WEAKEN_LABEL): Define.
7733 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
7735 * expr.c (store_constructor): Do not emit USE.
7736 * rtl.h (stupid_life_analysis): Remove.
7738 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7740 * function.c (number_blocks): Reset next_block_index based on
7741 what debugging format is used, not what is defined.
7743 * lcm.c: Minor reformatting throughout.
7744 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
7746 * toplev.c (rest_of_compilation): Account for time in
7747 optimize_mode_switching.
7749 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
7750 if only marking labels.
7752 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
7754 * calls.c (expand_call): Attempt to combine stack adjustments with
7755 pending stack adjustments.
7757 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7759 * loop.c (reg_in_basic_block_p): Don't abort when falling through
7760 to the end of the function.
7762 2000-02-27 Mark Mitchell <mark@codesourcery.com>
7764 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
7766 * final.c (next_block_index): Remove.
7767 (max_block_depth): Likewise.
7768 (pending_blocks): Likewise.
7769 (init_final): Don't initialize them.
7770 (final_start_function): Don't set next_block_index. Set up
7772 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
7773 * function.h (number_blocks): New function.
7774 * function.c (get_block_vector): New function.
7775 (identify_blocks): Use it.
7776 (reorder_blocks): Set NOTE_BLOCK.
7777 (number_blocks): New function.
7778 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
7779 * tree.h (BLOCK_NUMBER): New macro.
7780 (tree_block): Add block_num field.
7781 * dbxout.c (next_block_number): Remove.
7782 (dbxout_init): Don't set it.
7783 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
7784 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
7786 * toplev.c (rest_of_compilation): Always call
7787 find_loop_tree_blocks. Fix indentation.
7788 * dwarf2out.c (next_block_number): Remove.
7789 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7790 to determine block numbers.
7791 (gen_inlined_subroutine_die): Likewise.
7792 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
7793 (decls_for_scope): Don't increment next_block_number.
7794 * dwarfout.c (next_block_number): Remove.
7795 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7796 to determine block numbers.
7797 (output_inlined_subroutine_die): Likewise.
7798 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
7799 (output_decls_for_scope): Don't increment next_block_number.
7800 * sdbout.c (next_block_number): Remove.
7801 (sdbout_block): Use BLOCK_NUMBER.
7802 (sdbout_begin_block): Simplify.
7803 * xcoffout.c (next_block_number): Remove.
7804 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
7805 (xcoffout_begin_block): Don't set next_block_number.
7806 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
7809 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7811 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
7812 (expand_builtin_strcpy): Pass correct type to size_binop.
7813 (expand_builtin_strcmp): Likewise.
7814 Clean up conditional structure.
7815 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
7816 (complete_array_type): Don't use size_binop for MAXINDEX.
7817 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
7818 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
7819 (c_alignof): Use size_one_node.
7820 (build_unary_op): Pass arg of proper type to size_binop.
7821 (really_start_incremental_init, push_init_level): Use sizetype for
7822 constructor{,_bit,_unfilled}_index.
7823 (pop_init_label, output_init_element): Likewise.
7824 (output_pending_init_elements, process_init_element): Likewise.
7825 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
7826 * expr.c (store_expr): Use size_int.
7827 (store_constructor): Use proper types for size_binop args.
7828 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
7829 (expand_expr_unaligned): Likewise.
7830 (string_contant): Return object of sizetype.
7831 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
7832 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
7833 (ARGS_SIZE_TREE): Pass proper types to size_binop.
7834 * fold-const.c (int_const_binop): Refine when size_int is called.
7835 (fold_convert): Likewise.
7836 (size_int_wide): Rework to take KIND as arg, only take low order
7837 bits, handle new sizetype_tab datatype, and chain entries in
7839 (size_int_type_wide): New function.
7840 (size_binop): Validate types of arguments.
7841 (ssize_binop): Deleted.
7842 (size_diffop): New function.
7843 (extract_muldiv): Only fold division into multiplication for sizetypes.
7844 * function.c (assign_parms): Use size_diffop and make sure
7845 VAR field is of ssizetype; also pass proper type to size_binop.
7846 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
7847 (round_down): Deleted from here.
7848 * store-layout.c (sizetype_tab): Now an array.
7849 (sizetype_set, early_root_list): New variables.
7850 (variable_size): Use size_one_node.
7851 (round_up): Pass proper type to size_binop.
7852 (round_down): Moved to here and corrected as above.
7853 (layout_record): Pass proper arg types to size_binop.
7854 (layout_type): Likewise.
7855 If sizetype_set is zero, record the type just laid out.
7856 (make_unsigned_type): Don't call set_sizetype;
7857 (make_signed_type): Likewise; also, call fixup_signed_type.
7858 (initialize_sizetypes): New function.
7859 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
7860 set name of bitsizetype to "bit_size_type".
7861 Fix up type of sizes of all types made before call.
7862 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
7863 * tree.c (fix_sizetype): Deleted.
7864 (build_common_tree_nodes): Call initialize_sizetypes.
7865 (build_common_tree_nodes_2): Don't call fix_sizetype.
7866 * tree.h (TYPE_IS_SIZETYPE): New macro.
7867 (initialize_sizetype): New declaration.
7868 (enum size_type_kind): New type.
7869 (struct sizetype_tab): Deleted.
7870 (sizetype_tab): Now array; adjust sizetype macros.
7871 (size_diffop, size_int_type_wide): New functions.
7872 (size_int_wide): Change number of args and type; access macros changed.
7873 (ssize_int, sbitsize_int): New macros.
7874 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
7875 (ROUND_TYPE_SIZE_UNIT): New macro.
7877 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
7879 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
7881 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7883 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
7884 Mark as possibly unused.
7886 * cse.c (cse_insn): Delete dead code involving tablejump.
7887 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
7889 * Makefile.in (libcpp.a): Start by deleting it.
7891 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7893 * cpplib.h (enum file_change_code): Added rename_file.
7894 * cpplib.c (do_line): If a filename is given, set file_change to
7896 (output_line_command): If file_change is rename_file, always
7897 output a # directive with the file name.
7899 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
7901 2000-02-26 Mark Mitchell <mark@codesourcery.com>
7903 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
7904 when copying a PARM_DECL or RESULT_DECL.
7906 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7908 * fix-header.c (recognized_function): Also fix prototypes for
7909 functions taking "void".
7911 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7913 * reload1.c (do_output_reload): Check reg_reloaded_valid before
7914 looking at reg_reloaded_contents.
7916 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
7918 * Makefile.in (STMP_FIXINC): New toggle.
7919 (LIBGCC2_DEPS): Delete all references.
7920 (stmp-headers): Delete target. All references either deleted
7921 or changed to stmp-int-headers.
7922 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
7923 (LIBCPP_OBJS): Take out cppalloc.o.
7924 (cppalloc.o): Delete target.
7925 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
7926 (gen-protos, fix-header): Link with libiberty.a.
7927 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
7930 * configure.in: Remove refs to strerror.
7931 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
7932 * system.h: Take out strerror stanza.
7934 * cpperror.c (my_strerror): Delete function.
7935 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
7936 * cppmain.c (main): Call xmalloc_set_program_name first thing.
7937 * cppalloc.c: Delete file.
7938 * gen-protos.c: Don't provide xrealloc.
7940 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
7941 xstrerror throughout.
7943 2000-02-26 Bruce Korb <bkorb@gnu.org>
7945 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
7946 match for DOS headers, too.
7947 * fixinc/inclhack.sh,fixincl.x: Regenerate.
7949 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7951 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
7952 is right for most ELF targets.
7953 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
7954 Let the default file use %U properly.
7955 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
7958 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
7961 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7963 * toplev.c (documented_lang_options): Correct spelling error.
7964 (decode_d_option, decode_f_option, main): Likewise.
7966 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
7968 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
7969 to tell assembler it is permitted to expand large constants.
7971 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
7973 * protoize.c: (AUX_INFO_SUFFIX): New macro.
7974 (aux_info_suffix): Use.
7975 (SAVE_SUFFIX): New macro.
7977 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
7978 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
7979 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
7981 * invoke.texi (Running Protoize): Update documentation.
7983 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
7985 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
7987 2000-02-25 John Wehle (john@feith.com)
7989 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
7991 2000-02-25 Anthony Green <green@cygnus.com>
7993 * toplev.c (rest_of_compilation): Rebuild jump labels if
7994 combine_instructions has created a new direct jump.
7995 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
7997 (combine_instructions): Call try_combine with new argument.
7998 Return non-null value when new direct jump instruction is created.
7999 * rtl.h: combine_instructions returns an int.
8001 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
8003 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
8004 jump when changing a computed jump into a jump to a known
8007 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
8009 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
8010 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
8012 * i386.md (define_expand "clrstrsi"): Fix typo.
8014 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
8016 * rtl.texi: Fix typo.
8018 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8020 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
8021 UNITS_PER_WORD. Change caller initial_elimination_offset.
8022 (rounded_frame_size): Take into account that argument pushed has
8023 changed. Fix TARGET_ALIGN_DOUBLE problem.
8025 2000-02-25 Geoff Keating <geoffk@cygnus.com>
8027 * haifa-sched.c (schedule_block): Explain the real reason
8028 we delete REG_SAVE_NOTEs on the first insn of a block.
8029 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
8031 2000-02-24 Mark Mitchell <mark@codesourcery.com>
8033 * input.h (push_srcloc): New function.
8034 (pop_srcloc): Likewise.
8035 * toplev.c (push_srcloc): Define it.
8036 (pop_srcloc): Likewise.
8038 2000-02-24 Richard Henderson <rth@cygnus.com>
8040 * flow.c (life_analysis): When collecting reg info, clear
8043 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8045 Fix bug exposed by reload.c no longer rounding the frame
8046 size to BIGGEST_ALIGNMENT:
8047 * sh.c (rounded_frame_size): New function.
8048 (sh_expand_prologue, sh_expand_epilogue): Use it.
8049 (initial_elimination_offset): Likewise.
8051 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8053 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
8054 * sh-protos.h (sh_need_epilogue): Declare.
8055 * sh.c (sh_need_epilogue_known): New static variable.
8056 (sh_need_epilogue): New function.
8057 (function_epilogue): Clear need_epilogue_known.
8058 * sh.md (return): Split into expander / insn pattern.
8059 Make the expander conditional on ! sh_need_epilogue ().
8061 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
8063 * machmode.h (get_mode_alignment): Declare.
8064 (GET_MODE_ALIGNMENT): Call it.
8065 * stor-layout.c (get_mode_alignment): New function. Make
8066 sure alignment is always power of 2.
8068 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
8070 * i386.h: Remove useless definition of "I386" and misleading
8073 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
8075 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
8076 under which TREE_PERMANENT will be set.
8077 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
8078 build1): Use TREE_SET_PERMANENT.
8079 * print-tree.c (print_node): Don't report value of
8080 TREE_PERMANENT if ggc_p is true.
8082 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
8083 decide whether to give a type a new alias set.
8084 * objc/objc-act.c (build_objc_string_object): Never copy the string.
8085 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
8086 of value of 'obstack'.
8089 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8091 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
8093 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8095 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
8096 * cpplib.c (cpp_get_token): Produce them.
8097 * cppexp.c (cpp_lex): Handle them.
8099 2000-02-23 Nick Clifton <nickc@cygnus.com>
8101 * config/arm/arm.c (arm_comp_type_attributes): Simply and
8102 comment tests on type attributes.
8104 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8106 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
8107 conform to documentation.
8108 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
8109 to check for special cases.
8110 * sh-protos.h (sh_loop_align): Declare.
8111 * sh.c (sh_loop_align): Define.
8113 2000-02-22 Andrew Haley <aph@cygnus.com>
8115 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
8116 (SIZE_TYPE): Is 32 bits when using -mgp32.
8117 (PTRDIFF_TYPE): Ditto.
8119 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8121 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
8123 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
8125 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
8126 BIGGEST_FIELD_ALIGNMENT a constant.
8128 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
8130 * dwarf2out.c (output_line_info): Put the marker for the end of
8131 the line number info at the actual end.
8132 (gen_struct_or_union_type_die): Use decl_function_context
8133 to check for local classes.
8134 * dwarfout.c (output_type): Likewise.
8136 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
8138 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
8139 for arguments with a mode, but no type.
8140 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
8141 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
8142 * pa/long_double.h: New file.
8143 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
8144 both have 128bit wide long doubles.
8145 * configure: Rebuilt.
8147 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8149 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
8151 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
8152 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
8153 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
8155 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
8157 * integrate.c (compare_blocks, find_block): Likewise.
8159 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
8161 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
8163 * stmt.c (stmt_status, set_file_and_line_for_stmt,
8164 expand_asm_operands): Likewise.
8166 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
8168 * predict.c (estimate_probability): Added the pointer heuristic to
8169 the collection of static branch predictors.
8171 2000-02-21 Catherine Moore <clm@cygnus.com>
8173 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
8174 * invoke.texi (-mfix7000): Document.
8176 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
8178 * diagnostic.c (init_output_buffer): Make it possible to output at
8179 least 32 characters if we're given a too long prefix.
8181 2000-02-20 Mark Mitchell <mark@codesourcery.com>
8183 * varasm.c (initializer_constant_valid_p): Call
8184 lang_expand_constant to simplify the constant.
8186 2000-02-20 Bruce Korb <bkorb@gnu.org>
8188 * fixinc/inclhack.def(stdio_va_list):
8189 typedef needs to be disabled.
8190 * fixinc/inclhack.sh: regen
8191 * fixinc/fixincl.x: regen
8193 2000-02-20 Geoff Keating <geoffk@cygnus.com>
8195 * print-rtl.c (print_rtx): Don't print addresses when
8196 flag_dump_unnumbered.
8198 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8200 * sparc.c (sparc_output_scratch_registers): Mark parameter with
8202 (sparc_va_arg, sparc_flat_output_function_prologue,
8203 sparc_flat_output_function_epilogue): Cast value to unsigned in
8205 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
8207 * sparc.md: Add default case in switch.
8209 2000-02-19 Richard Henderson <rth@cygnus.com>
8211 * c-typeck.c (add_pending_init): Don't abort for multiple
8212 fields at the same offset.
8213 (pending_init_member): Test the correct member.
8215 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8217 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
8219 (start_catch_handler) : Same.
8221 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
8223 * Makefile.in: Have flow.o depend on $(EXPR_H)
8225 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8227 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
8228 * c-decl.c (duplicate_decls, finish_enum): Likewise.
8229 (finish_decl): Remove -Wlarger-than code from here.
8230 * flags.h (id_clash_len): Now int.
8231 (larger_than_size): Now HOST_WIDE_INT.
8232 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
8233 Clean up checking to see if in table.
8234 (make_bit_field_ref): Remove extra parm to bitsize_int.
8235 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
8236 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
8237 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
8238 and for computing size of decl.
8239 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
8240 Move -Wlarger-than code to here.
8241 (layout_record): Remove extra arg to bitsize_int.
8242 Set TYPE_BINFO_SIZE_UNIT.
8243 (layout_union): Remove extra arg to bitsize_int.
8244 Use proper type for size of QUAL_UNION.
8245 (layout_type): Remove extra arg to bitsize_int.
8246 * toplev.c (id_clash_len): Now int.
8247 (larger_than_size): Now HOST_WIDE_INT.
8248 (decode_W_option): Clean up id-clash and larger-than- cases.
8249 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
8250 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
8251 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
8252 (struct tree_decl): New field size_unit.
8253 (size_int_wide): No HIGH operand; NUMBER is now signed.
8254 (size_int_2): Deleted.
8255 (size_int, bitsize_int): Don't use it and rework args.
8256 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
8258 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
8260 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
8262 2000-02-18 Geoff Keating <geoffk@cygnus.com>
8264 * invoke.texi (Warning Options): Add an explanation of why
8265 you might want the -Wfloat-equal flag.
8267 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8269 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
8270 * cppinit.c (new_pending_define): Add cast to avoid warning.
8271 * expmed.c (extract_bit_field): Likewise.
8272 * flow.c (enum reorder_skip_type): New type.
8273 (skip_insns_between_blcok): New it.
8274 Rework to avoid warning about possibly undefined variable.
8275 * function.c (assign_parms): Make thisparm_boundary unsigned.
8276 * genrecog.c (write_switch): Cast XWINT result to int.
8277 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
8278 * mips-tfile.c (init_file): Make two versions of FDR intializer:
8279 one for MIPS and one for Alpha.
8280 (get_tag, copy_object): Add casts to avoid warnings.
8281 * optabs.c (init_one_libfunc): Cast NAME to (char *).
8282 * reload.c (find_reloads): Make TYPE enum reload_type.
8283 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
8284 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
8285 * varasm.c (compare_constant_1): Add cast to avoid warning.
8286 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
8288 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
8289 Cast switch operand of size to int.
8290 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
8291 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
8294 2000-02-18 Nick Clifton <nickc@cygnus.com>
8296 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
8297 anything for an alignment of zero.
8299 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
8300 anything for an alignment of zero.
8302 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
8304 * gcc.texi (Bug Reporting): Refer to bugs.html.
8305 (Bug Lists): Likewise.
8306 * system.h (GCCBUGURL): New preprocessor define.
8307 * rtl.c (fancy_abort): Use it.
8308 * gcc.c (main): Likewise.
8310 2000-02-18 Richard Henderson <rth@cygnus.com>
8312 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
8313 (life_analysis_1): Subsume into ...
8314 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
8315 Use update_life_info for the relaxation.
8316 (update_life_info): Update REG_BASIC_BLOCK for registers live on
8317 entry and regs_live_at_setjmp.
8318 (set_noop_p): Simplify.
8319 (notice_stack_pointer_modification_1): Renamed from s/_1//.
8320 (record_volatile_insns): Split into ...
8321 (delete_noop_moves): ... here,
8322 (notice_stack_pointer_modification): ... here,
8323 (insn_dead_p): ... and here.
8324 (propagate_block): Don't query INSN_VOLATILE.
8325 (mark_used_regs): Mind !PROP_REG_INFO.
8326 * toplev.c (rest_of_compilation): Call mark_constant_function here,
8327 not in life_analysis.
8329 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
8331 * loop.c (canonicalize_condition): New function,
8332 broken out of get_condition.
8333 (get_condition): Use it.
8334 * expr.h (canonicalize_condition): Prototype it.
8336 * tree.h (tree_int_cst_msb): Declare.
8337 * tree.c (tree_int_cst_msb): New function.
8339 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8341 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
8344 * invoke.texi (-fmessage-length=n): Document.
8346 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
8348 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
8350 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8352 * function.c (thread_prologue_and_epilogue_insns): Put a line note
8355 2000-02-17 Nick Clifton <nickc@cygnus.com>
8357 * config/arm/thumb.c: Replace includes of system headers with
8358 #include "system.h".
8360 2000-02-16 Richard Henderson <rth@cygnus.com>
8362 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
8363 Add crtbeginS.o and crtendS.o.
8364 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
8365 (ENDFILE_SPEC): Use crtendS.o.
8366 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
8368 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
8369 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
8371 (__dso_handle): New variable.
8372 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
8373 bias to __CTOR_END__.
8375 2000-02-16 Richard Henderson <rth@cygnus.com>
8377 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
8379 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
8381 * longlong.h (__clz_tab): Declare as static to match definition.
8383 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
8384 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
8385 (XREF_FILE_NAME): Define.
8387 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
8388 (EH_FRAME_SECTION_ASM_OP): Define.
8389 (IDENT_ASM_OP): Define.
8390 (TEXT_SECTION_ASM_OP): Define.
8392 (CTORS_SECTION_ASM_OP): Define.
8393 (CTOR_SECTION_FUNCTION): Use it.
8394 (DTORS_SECTION_ASM_OP): Define.
8395 (DTOR_SECTION_FUNCTION): Use it.
8397 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
8399 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
8402 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
8403 debug_bb_n): New functions.
8404 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
8405 * basic-block.h: Prototype new functions.
8407 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
8409 * configure.in: Add support for avr target.
8410 * configure: Rebuilt.
8412 * invoke.texi: Add AVR invocation docs.
8413 * install.texi: Add information about AVR.
8414 * md.texi: Add AVR constraint letters description.
8415 * extend.texi: Add description for AVR specific attributes.
8417 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
8419 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
8421 2000-02-16 Nick Clifton <nickc@cygnus.com>
8423 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
8424 (make_insn_raw): Move RTL check here.
8426 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8428 * version.c: Include gansidecl.h and version.h.
8430 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
8432 * configure.in (gcc_version): When setting, narrow search to
8433 lines containing `version_string'.
8435 * Makefile.in (mainversion): Likewise.
8436 (GCC_H): New variable.
8437 (gcc.h): Delete target.
8438 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
8439 (version.o): Depend on version.h.
8440 (dbxout.o): Don't depend on gcc.h.
8442 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
8443 Michael Meissner <meissner@cygnus.com>
8445 * md.texi (Simple Constraints): Add item about whitespace.
8446 * genoutput.c (strip_whitespace): New.
8447 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
8448 strip_whitespace for constraints.
8449 Test pointer using NULL, not 0.
8451 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8453 * cpplib.c (do_line): Pedwarn for #line > 32767.
8455 * c-lex.c (readescape): Warn about '\x', but do not reject it.
8457 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
8459 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
8460 to default cpp spec.
8461 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
8462 * cpp.texi: Document __GNUC_PATCHLEVEL__.
8465 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
8468 2000-02-15 Denis Chertykov <denisc@overta.ru>
8470 * configure.in: Add support for avr target.
8472 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8474 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
8475 (sh_addr_diff_vec_mode): Don't declare.
8476 * sh.c (sh_addr_diff_vec_mode): Delete.
8478 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8480 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
8482 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8484 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
8485 (smulsi3_highpart_i): Name.
8486 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
8487 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
8488 (smulsi3_highpart, umulsi3_highpart): Likewise.
8490 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
8491 correctly independent of endianness.
8492 (mulsidi3, umulsidi3): Now define_insn. Hide details that
8493 confuse the optimizers.
8494 (mulsidi3+1, umulsidi3+1): New define_split.
8496 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
8498 * config/sh/sh.md: Guard insn splits against illegal registers.
8499 * config/sh/sh.h: Correct comment about macros.
8501 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8502 Andrew MacLeod <amacleod@cygnus.com>
8504 * Makefile.in (lcm.o): Depend on insn-attr.h.
8505 * basic-block.h (optimize_mode_switching): Declare.
8506 * lcm.c (tm_p.h, insn-attr.h): #include.
8507 (seginfo, bb_info): New structs.
8508 (antic, transp, comp, delete, insert) : New file-scope static variables.
8509 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
8510 (reg_becomes_live, optimize_mode_switching): Likewise.
8511 * tm.texi: Add description of mode switching macros.
8512 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
8514 * sh-protos.h (remove_dead_before_cse): Remove prototype.
8515 (fldi_ok, fpscr_set_from_mem): New prototypes.
8516 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
8517 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
8518 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8519 (sh_flag_remove_dead_before_cse): Remove declaration.
8520 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
8521 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
8522 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
8523 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8524 (barrier_align): Allow for JUMP_INSNS containing a parallel.
8525 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
8526 (fldi_ok): New function.
8527 (get_fpscr_rtx): Add fpscr_rtx as GC root.
8528 (emit_sf_insn): Only generate fpu switches when optimize < 1.
8529 (emit_df_insn): Likewise.
8530 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
8531 (sh_flag_remove_dead_before_cse): Delete.
8532 (get_free_reg, fpscr_set_from_mem): New functions.
8533 * sh.md (movdf, movsf): Remove no_new_pseudos code.
8534 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
8536 2000-02-15 Loren Rittle <ljrittle@acm.org>
8538 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
8540 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8542 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
8543 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
8545 * cccp.c: Include version.h and/or don't declare `version_string'.
8546 * collect2.c: Likewise.
8547 * alpha.c: Likewise.
8548 * arm/aof.h: Likewise.
8549 * arm/coff.h: Likewise.
8550 * arm/elf.h: Likewise.
8551 * arm/pe.h: Likewise.
8552 * arm/tcoff.h: Likewise.
8553 * arm/telf.h: Likewise.
8554 * arm/tpe.h: Likewise.
8555 * arm/vxarm.h: Likewise.
8556 * convex/convex.c: Likewise.
8557 * i386/dgux.c: Likewise.
8558 * i386/sun386.h: Likewise.
8559 * m88k/m88k.c: Likewise.
8560 * mcore/mcore-pe.h: Likewise.
8561 * mips/mips.h: Likewise.
8562 * romp/romp.h: Likewise.
8563 * sh/sh.c: Likewise.
8564 * cpphash.c: Likewise.
8565 * cppinit.c: Likewise.
8566 * dwarf2out.c: Likewise.
8567 * dwarfout.c: Likewise.
8570 * mips-tfile.c: Likewise.
8571 * protoize.c: Likewise.
8572 * toplev.c: Likewise.
8575 * version.c (version_string): Constify a char*.
8577 * version.h: New file.
8579 2000-02-14 Nick Clifton <nickc@cygnus.com>
8581 * configure.in: Add mcore-elf and mcore-pe targets.
8582 * configure: Regenerate.
8584 * NEWS: Add note that MCore port has been contributed.
8586 * invoke.texi: Document command line switches for MCore port.
8587 * install.texi: Add MCore to list of supported targets.
8589 2000-02-14 Geoff Keating <geoffk@cygnus.com>
8591 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
8592 then we will need to import the frame handling functions.
8593 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
8594 to import the frames themselves.
8596 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
8597 Jason Eckhardt <jle@cygnus.com>
8599 * basic_block.h: Added prototype for reorder_basic_blocks.
8600 * toplev.c: Changes to add -freorder-blocks and graph dump after
8601 block reordering is done.
8602 * flow.c (reorder_block_def): New structure for use during block
8604 (REORDER_BLOCK_*): New macros to access members of above structure.
8605 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
8606 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
8607 functions for block reordering.
8609 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
8611 * gcc.texi (Passes): Fix typo.
8612 * md.texi (Standard Names): Ditto.
8613 * tm.texi (Storage Layout): Ditto.
8615 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8617 * cpplib.c (do_define): Only free the old definition if it
8620 2000-02-13 Neil Booth <NeilB@earthling.net>
8622 * cppfiles.c (read_and_prescan): When emitting deferred
8623 newlines, test speccase[] again instead of checking each
8624 possible whitespace character in turn. When we encounter \r,
8625 look behind for \n first, then ahead.
8627 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8629 * cse.c (cse_altered): New internal flag.
8630 (cse_insn): Set it if we changed an insn.
8631 (cse_main): Clear cse_altered before each basic block.
8632 Only garbage collect if cse_altered is true afterward.
8634 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8636 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
8638 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
8640 * combine.c (simplify_comparison): Fix typo.
8642 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
8644 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
8647 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8649 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
8650 previously inserted node instead of root node. Caller changed.
8652 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8654 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
8656 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8658 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
8659 __dereg_frame_dtor): Add prototype argument.
8661 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
8663 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
8665 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
8667 * gthr-vxworks.h (__gthread_once): Likewise.
8669 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
8671 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
8673 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
8674 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
8675 stack pointer in functions w/o saved registers, output LEAVE more often
8676 on TARGET_USE_LEAVE machines.
8678 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
8680 * config/arm/arm.c (arm_init_cumulative_args); New function:
8681 Initlaise the CUMULATIE_ARGS strcuture for a function
8683 (arm_function_arg): New function: Determine where to place a
8684 function's argument. Also handles deciding the function's
8686 (current_file_function_operand): New function: Return true if
8687 the symbol is a function which has already been compiled.
8688 (arm_is_long_call_p): New function: Return true if the
8689 indicated function should be called via a long call.
8690 (arm_valid_type_attribute_p): New function: Return true if the
8691 attribute is a valid, arm specific, attribute.
8692 (arm_comp_type_attribute): New function: Return true if the
8693 two types have compatable, arm specific, attributes.
8695 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
8697 (FUNCTION_ARG): Redefine to call arm_function_arg.
8698 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
8700 (INIT_CUMULATIVE_ARGS): Redefine to call
8701 arm_init_cumulative_args.
8702 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
8704 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
8706 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
8708 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
8709 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
8710 (COMP_TYPE_ATTRIBUTES): Define.
8712 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
8713 if a long call is needed.
8714 (call_value): Call arm_is_long_call_p to decide if a long call
8716 (call_symbol): Call arm_is_long_call_p to decide if a long call
8719 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
8721 2000-02-11 Denis Chertykov <denisc@overta.ru>
8723 * README.AVR: New file with information about the avr ports.
8724 * config/avr: New directory with avr port files.
8726 2000-02-11 Andreas Jaeger <aj@suse.de>
8728 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
8730 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
8732 * cpphash.c: Fix formatting, update commentary.
8733 (dump_definition): Take three separate arguments instead of a
8734 MACRODEF structure argument.
8735 * cpphash.h: Update prototype of dump_definition.
8736 * cppinit.c (cpp_finish): Update call of dump_definition.
8738 * cpplib.c (do_define): Always create new hash entry with
8739 T_MACRO type. Remove redundant check for redefinition of
8740 poisoned identifier. Update call of dump_definition.
8741 (do_undef): Don't call check_macro_name. Rename sym_length to
8743 (do_error, do_warning): Don't use copy_rest_of_line or
8745 (do_warning): Don't use pedwarn for the actual warning,
8746 only the notice about its not being in the standard. (Fixes
8747 bug with #warning in system headers.)
8748 (do_ident): Stricter argument checking - accept only a single
8749 string after #ident. Also, macro-expand the line.
8750 (do_xifdef): Use cpp_defined. De-obfuscate.
8752 (do_pragma): Split out specific pragma handling to separate
8753 functions. Use get_directive_token. Update commentary. Do
8754 not pass on #pragma once or #pragma poison to the front end.
8755 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
8756 do_pragma_default): New.
8758 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
8760 * jump.c (jump_optimize_1): The first operand in a relational
8762 * optabs.c (emit_conditional_move): Handle relationals which
8763 have a known true/false result.
8765 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8767 * function.c (thread_prologue_and_epilogue_insns): Don't insert
8768 a RETURN insn into a block which already ends with a jump.
8770 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8772 * haifa-sched.c (BUF_LEN): Increase a lot.
8774 2000-02-11 Nick Clifton <nickc@cygnus.com>
8776 * configure.in: Add tm_p_file specification for thumb targets.
8777 * configure: Regenerate.
8779 * config/arm/thumb-protos.h: New file: Prototypes for exported
8780 functions defined in thumb.c.
8782 2000-02-11 Robert Lipe <robertl@sco.com>
8784 * Makefile.in (bootstrap-lean): Remove additional files.
8785 (bootstrap2-lean): Likewise.
8786 (VOL_FILES): List of files for above.
8788 2000-02-11 Nathan Sidwell <nathan@acm.org>
8790 * cpphash.c (special_symbol): Remove spurious argument to
8793 2000-02-11 Joel Sherrill (joel@OARcorp.com>
8795 * configure.in: (i*86-*-rtems*): Swapped elf and coff
8797 * configure: Rebuilt.
8799 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
8801 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
8803 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
8805 * pa.c, pa.h: Remove trigraph sequences within comments.
8807 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
8809 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
8811 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
8813 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
8815 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8817 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
8819 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8821 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
8822 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
8823 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
8824 (ASM_FILE_END): Use c4x_file_end.
8825 * config/c4x/c4x.c (c4x_global_label): New function.
8826 (c4x_external_ref, c4x_file_end): Likewise.
8828 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
8829 (c4x_external_ref, c4x_end_file): Likewise.
8831 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
8833 * cppexp.c: Don't include cpphash.h.
8834 (parse_charconst, cpp_lex): Use cpp_defined.
8835 (cpp_lex): Use get_directive_token throughout. Remove
8836 unnecessary cases from switch. Move assertion-handling code
8838 (cpp_parse_expr): If we see '+' or '-', check the context to
8839 determine if they are unary or binary operators. Streamline
8840 the jumps a bit. Do not call skip_rest_of_line.
8842 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
8843 static. Export get_directive_token. Update commentary.
8844 (cpp_defined): New function.
8845 (do_define): Remove reference to T_PCSTRING. Call
8846 free_definition to release memory for old definition, when
8848 (eval_if_expression): Set only_seen_white to 0 before calling
8849 cpp_parse_expr. Call skip_rest_of_line after it returns.
8850 (cpp_read_check_assertion): Don't preserve a pointer into the
8851 token buffer across a call to cpp_get_token.
8853 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
8854 * cppfiles.c (redundant_include_p): Use cpp_defined.
8855 * cpphash.c (free_definition): New function.
8856 (delete_macro): Use it. Update commentary.
8857 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
8859 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
8860 from enum node_type. Prototype cpp_defined and get_directive_token.
8861 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
8863 * fix-header.c (check_macro_names): Use cpp_defined.
8864 (read_scan_file): Set inhibit_warnings and inhibit_errors in
8865 the options structure.
8867 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8869 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
8871 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
8873 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
8874 rather than die->die_tag.
8876 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8878 * combine.c (make_extraction, force_to_mode): Avoid warning on
8879 mixed-signedness conditionals.
8880 (make_field_assignment, nonzero_bits): Likewise.
8881 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
8882 (store_split_bit_field, extract_split_bit_field): Likewise.
8883 (extract_fixed_bit_field, store_bit_field,
8884 * expr.c: Change alignment to be unsigned everywhere.
8885 (move_by_pieces, store_constructor_field, store_constructor):
8886 Alignment parm is unsigned.
8887 (emit_block_move, emit_group_load, emit_group_store): Likewise.
8888 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8889 (do_compare_rtx_and_jump): Likewise.
8890 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
8891 Compare align with GET_MODE_ALIGNMENT.
8892 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
8893 (get_inner_reference): Likewise.
8894 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
8895 (expand_assignment): Local vars for alignment now unsigned.
8896 (store_constructor, store_field, expand_expr, do_jump): Likewise.
8897 (do_compare_and_jump): Likewise.
8898 (store_field): Call new function expr_align.
8899 * expr.h (emit_block_move, emit_group_load, emit_group_store):
8900 Alignment arg now unsigned.
8901 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8902 (do_compare_rtx_and_jump, store_bit_field): Likewise.
8903 (extract_bit_field): Likewise.
8904 * fold-const.c (add_double): Add cast to eliminate signedness warning.
8905 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
8906 (get_best_mode): Alignment arg is unsigned.
8907 * rtl.h (move_by_pieces): Likewise.
8908 * store-layout.c (maximum_field_alignment, set_alignment):
8910 (layout_decl): Alignment arg is now unsigned.
8911 Remove unneeded casts.
8912 (layout_record, layout_union, layout_type): Remove unneeded casts.
8913 Local alignment variables now unsigned.
8914 (get_best_mode): Alignment arg now unsigned.
8915 * tree.c (expr_align): New function.
8916 * tree.h (expr_align): Likewise.
8917 (maximum_field_alignment, set_alignment): Now unsigned.
8918 (get_inner_reference): Alignment argument is now pointer to unsigned.
8919 * varasm.c (assemble_variable): Add cast to eliminate warning.
8921 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
8923 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
8924 then store directly into op0.
8926 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
8927 the CALL_INSN, and emit the note immediately after it.
8929 2000-02-10 Nick Clifton <nickc@cygnus.com>
8931 * config/arm/thumb.md (epilogue): Include a (return) in the
8932 generated insn, and emit it using emit_jump_insn not
8935 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
8937 * function.c (assign_temp): Change zero-sized arrays to size 1.
8938 * integrate.c (expand_inline_function): Do not update
8939 stack_alignment_needed
8940 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
8941 add some sanity checking, remove optimization for function with
8944 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8946 * flow.c (mark_regs_live_at_end): Delete unused variables.
8948 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
8950 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
8951 in macro FRAME_GROWS_DOWNWARD.
8953 * stmt.c (expand_end_bindings): Delete unused variable.
8955 * unroll.c (iteration_info): Mark parameter `loop' with
8958 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8960 * fixinc/server.c (load_data): Return NULL if the marker line is
8962 (run_shell): If load_data returns NULL, retry the command once, in
8965 * configure: Rebuilt.
8967 2000-02-09 Bruce Korb <bkorb@gnu.org>
8969 * gcc/fixincludes: ** DELETED **
8970 * gcc/fixcpp: ** DELETED **
8971 * gcc/fixinc-nt.sed: ** DELETED **
8972 * gcc/just-fixinc: ** DELETED **
8973 * gcc/Makefile.in: Removed out-dated commentary
8974 * gcc/configure.in: Removed fast-fixincludes disablement.
8975 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
8977 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8978 * function.c (thread_prologue_and_epilogue_insns): Uncomment
8981 2000-02-09 Richard Henderson <rth@cygnus.com>
8983 * jump.c (delete_insn): Don't delete user labels at -O0.
8985 2000-02-09 Robert Lipe <robertl@sco.com>
8987 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
8988 Don't link with HOST_LIBS.
8990 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8992 * configure.in: Correct --help text for --with-dwarf2.
8993 Put tm-dwarf2.h after other tm files, if it's requested.
8994 * configure: Regenerate.
8995 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
8998 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
9000 * cpplib.h: Provide HASHNODE typedef and forward decl of
9001 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
9002 DEFINITION, struct hashnode, struct macrodef, struct
9003 definition, scan_decls prototype, default defn of
9004 INCLUDE_LEN_FUDGE moved elsewhere.
9006 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
9007 definition, and struct hashnode moved here. Remove the unused
9008 'predefined' field from struct definition. Replace the 'args'
9009 union with its sole member. All users updated (cpphash.c).
9010 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
9011 multiple include guard.
9013 * cpphash.c (hashf): Make static; use better algorithm; drop
9014 HASHSIZE parameter; return an unsigned int.
9015 (cpp_lookup): Drop HASH parameter. PFILE parameter is
9016 used. Calculate HASHSIZE modulus here.
9017 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
9019 (create_definition): Drop PREDEFINITION parameter.
9020 * cpplib.c (do_define): Don't calculate a hash value here.
9021 Don't pass (keyword == NULL) to create_definition.
9023 * scan.h: Prototype scan_decls here.
9024 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
9025 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
9026 callers of cpp_lookup and cpp_install updated.
9028 * cpphash.c (macarg): Hoist all the flag diddling out of the
9030 (macroexpand): ... and out of the loop that calls macarg.
9031 Skip over the initial paren before macro arguments with
9032 cpp_get_non_space_token; point may be some distance before
9033 that paren. Abort if it's not there.
9035 * cpplib.c (parse_clear_mark): Delete function.
9036 (parse_set_mark, parse_goto_mark): Make static.
9037 (ACTIVE_MARK_P): New macro.
9038 (skip_block_comment, skip_line_comment): Do not bump the line
9039 if ACTIVE_MARK_P is true.
9040 (cpp_pop_buffer): The buffer to be popped may not have an
9042 (cpp_get_token): When looking for the initial paren before
9043 macro arguments, only set a mark in a file buffer, Always
9044 return to that mark before proceeding to call macroexpand or
9045 return a NAME token.
9047 * cpplib.h: Remove prototypes of parse_set_mark,
9048 parse_clear_mark, parse_goto_mark.
9049 (struct cpp_options): Rename 'put_out_comments' to
9050 'discard_comments' and invert its sense.
9051 * cppinit.c, cpphash.c, cpplib.c: All users of
9052 put_out_comments changed to use discard_comments, with
9055 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
9057 * function.c (thread_prologue_and_epilogue_insns): Don't delete
9058 the edge from a block that both jumps and falls through to the
9061 2000-02-09 Scott Bambrough <scottb@netwinder.org>
9063 * config/arm/arm.md (movsi): In PIC mode, make sure that a
9064 constant source address is legitimate.
9066 2000-02-09 Philip Blundell <pb@futuretv.com>
9068 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
9071 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
9073 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
9075 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
9077 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
9078 ends with a newline and a NUL. Don't be so clever manipulating
9081 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
9083 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
9084 not to BIGGEST_ALIGNMENT.
9086 2000-02-08 Geoff Keating <geoffk@cygnus.com>
9088 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
9089 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
9090 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
9091 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
9092 * frame.c (execute_cfa_insn): Handle
9093 DW_CFA_GNU_negative_offset_extended.
9095 2000-02-08 Richard Henderson <rth@cygnus.com>
9097 * flow.c (tidy_fallthru_edges): Split out from ...
9098 (delete_unreachable_blocks): ... here.
9099 (find_basic_blocks): Use it.
9101 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9103 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
9105 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
9107 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
9108 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
9109 (fix-header.o): Don't depend on cpphash.h.
9111 * scan.c (hashstr): New function.
9112 * scan.h: Prototype it.
9113 * fix-header.c: Don't include cpphash.h. Use hashstr.
9114 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
9115 hashstr. Report hash table statistics. Add private
9116 definition of xrealloc.
9118 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9120 * i386.h (TARGET_SWITCHES): Fix typo in option name.
9122 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
9124 * function.c (thread_prologue_and_epilogue_insns): Don't replace
9125 jumps with returns unless they are jumps to the fallthru block.
9127 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
9129 * i386.md (addqi3_cc): Fix contraints.
9131 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
9133 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
9135 2000-02-07 Mark Mitchell <mark@codesourcery.com>
9137 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
9138 carriage return after a macro name.
9140 2000-02-07 Fred Fish <fnf@be.com>
9142 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
9143 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
9145 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
9147 * cppfiles.c (deps_output): Count spacers in deps_column.
9149 2000-02-07 Neil Booth <NeilB@earthling.net>
9151 * cppinit.c (initialize_dependency_output): If there is no
9152 suffix, don't try to look for known suffixes. Use strrchr.
9153 (cpp_start_read): Remove duplicate initialization.
9155 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
9157 * calls.c (compute_argument_block_size): New argument
9158 preferred_stack_boundary.
9159 (expand_call): update cfun->preferred_stack_boundary, update call of
9160 compute_argument_block_size
9161 (emit_library_call): Increate cfun->preferred_stack_boundary
9162 to PREFERRED_STACK_BOUNDARY
9163 (emit_library_call_value): Likewise.
9164 * explow.c (allocate_dynamic_stack_spave): Likewise.
9165 * function.c (prepare_function_start): Set
9166 cfun->preferred_stack_boundary
9167 * function.h (struct function): Add preferred_stack_boundary field.
9168 * integrate.c (expand_inline_function): Update
9169 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
9170 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
9171 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
9173 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
9175 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
9176 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
9177 cpp_pedwarn, cpp_pedwarn_with_line,
9178 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
9179 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
9180 v_cpp_error_with_line, v_cpp_warning_with_line,
9181 cpp_message_from_errno, cpp_perror_with_name): Delete.
9183 * cpperror.c (cpp_print_containing_files): Take starting
9185 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
9186 (v_cpp_message): Now called directly by all entry points.
9188 (cpp_pfatal_with_name, cpp_message): Delete.
9189 (cpp_notice_from_errno, cpp_ice): New functions.
9190 (cpp_notice): Is now for reporting error conditions, just
9191 without an associated file.
9192 (cpp_error, cpp_error_with_line): Don't do anything if
9193 opts->inhibit_errors is on.
9194 (cpp_pedwarn_with_file_and_line): Take column argument also.
9196 * cpplib.h: Update prototypes of exported functions.
9197 (struct cpp_options): Add inhibit_errors.
9199 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
9200 non-error messages. Include intl.h.
9202 * cppinit.c, cppmain.c: Likewise. Also, use
9203 cpp_notice_from_errno instead of cpp_perror_with_name or
9204 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
9206 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
9207 report internal errors.
9209 * cpplib.c (do_define): Switch bcopy to memcpy.
9210 Give cpp_pedwarn_with_file_and_line a dummy column argument.
9212 * cpplib.c (copy_rest_of_line): Revert previous change: don't
9213 bail out early if we hit a line comment.
9215 2000-02-06 Richard Henderson <rth@cygnus.com>
9217 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
9218 * basic-block.h: Declare them.
9219 * emit-rtl.h (active_insn_p): New.
9220 (next_active_insn, prev_active_insn): Use it.
9221 * rtl.h: Declare it.
9222 * function.c (emit_return_into_block): New.
9223 (thread_prologue_and_epilogue_insns): Insert return insns instead
9224 of epilogues when possible.
9225 * jump.c (jump_optimize_1): Remove code to insert a return insn
9226 on the fallthru to the exit block.
9228 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
9229 and for non-empty stack frames.
9230 * i386.md (return): Expand to return-pop as needed.
9232 2000-02-06 Richard Henderson <rth@cygnus.com>
9234 * simplify-rtx.c (simplify_relational_operation): Canonicalize
9235 constant to op1 for testing.
9237 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9239 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
9240 (fixuns_truncqfqi2): Use it.
9242 2000-02-06 Richard Henderson <rth@cygnus.com>
9244 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
9247 * i386.md (widening and peepholes): Mask the constant instead of
9250 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
9252 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
9253 input pointer before possibly branching off to the backslash
9255 * cpphash.c (macroexpand): Correctly delete \r escapes when
9256 stringifying parameters.
9257 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
9258 if we can; bail out early if we hit a line comment.
9259 (handle_directive): Treat '# 123' in an .S file just like
9260 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
9261 Return 1 for '# not_a_directive'.
9262 (get_directive_token): Pop macro buffers here, so that
9263 cpp_get_token can't sneakily move past a newline.
9265 (cpp_get_token): goto randomchar if handle_directive returns 0.
9267 * cppalloc.c: Update copyright.
9268 * cpplib.c: Merge all the static function prototypes into one
9270 * cpplib.h: Remove #if 0 block.
9272 * cpperror.c: Remove #ifdef EMACS block.
9273 * cppmain.c: Likewise.
9274 * cpphash.c: Remove #if 0 blocks.
9275 * cppinit.c: Remove #if 0 blocks, and the -lint option.
9276 * cpplib.c: Remove #if 0 blocks and code referencing
9277 pcp_inside_if or for_lint. Remove duplicate error message.
9278 Fix error messages for #else after #else or #elif. Reformat.
9279 Remove archaic TODO list.
9280 * cpplib.h: Remove pcp_inside_if and for_lint flags.
9282 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
9284 * i386/osf1elf.h: Add missing backslash to multiline string.
9286 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9288 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
9290 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9292 * Makefile.in (c-common.o): Depend on $(EXPR_H).
9294 * c-common.c: Include expr.h.
9296 * c-pragma.c (mark_align_stack): Add prototype.
9298 * caller-save.c (add_stored_regs): Likewise.
9300 * combine.c (record_promoted_value): Likewise.
9302 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
9305 * cppinit.c (new_pending_define): Likewise.
9307 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
9309 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
9310 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
9311 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
9312 class_scope_p): Likewise.
9314 * dwarf2out.h (dwarf2out_set_demangle_name_func,
9315 dwarf2out_add_library_unit_info): Likewise.
9317 * ggc.h (ggc_page_print_statistics): Likewise.
9319 * haifa-sched.c (propagate_deps): Likewise.
9321 * reg-stack.c (next_flags_user, record_label_references): Likewise.
9323 * rtl.h (set_stack_check_libfunc): Likewise.
9325 * toplev.h (set_fatal_function): Likewise.
9327 * toplev.c (set_fatal_function): Delete prototype.
9329 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
9331 2000-02-05 Geoff Keating <geoffk@cygnus.com>
9333 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
9334 (FUNC_END): Likewise.
9336 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9338 * caller-save.c: Include tm_p.h.
9340 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9342 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
9344 2000-02-04 Neil Booth <NeilB@earthling.net>
9346 * cccp.c (main): Check 'dir' for a NULL pointer before passing
9349 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
9351 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
9352 * genflags.c: Use the max_operand_1 logic from genemit.c to
9353 calculate how many arguments gen_insn prototypes have. Remove
9354 NO_MD_PROTOTYPES ifdefs from the generated file.
9355 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
9356 file. Cast gen_insn initializers to insn_gen_fn.
9357 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
9358 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
9360 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9362 * fixinc/Makefile.in (HDR): Add machname.h.
9365 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9367 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
9368 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
9369 (c4x_cpu_version): Ditto.
9370 * config/c4x/c4x-protos.h: ... here.
9372 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
9374 * dwarf2out.c (add_abstract_origin_attribute): Don't call
9375 gen_abstract_function on our context if we're a nested function.
9377 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9379 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
9380 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
9382 2000-02-04 Bruce Korb <bkorb@gnu.org>
9384 * fixinc/genfixes(machname.h):
9385 Move the functionality from gen-machine.h into this file.
9386 UNdef MN_NAME_PAT if there are no names to change.
9387 Also, be a little kinder when AutoGen is not present.
9389 * fixinc/Makefile.in(machname.h):
9390 Change the generation rule to use genfixes.
9392 * fixinc/fixfixes.c(machine_name):
9393 machine_name_fix's functionality now dependent upon whether
9394 MN_NAME_PAT is defined.
9396 * fixinc/fixtests.c(machine_name):
9399 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
9402 * fixinc/fixlib.h(mn_get_regexps):
9405 * fixinc/gen-machine.h: DELETED
9407 2000-02-04 Jan Hubicka <jh@suse.cz>
9408 Richard Henderson <rth@cygnus.com>
9410 * i386.c (SAVE_REGS_FIRST): Remove.
9411 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
9412 (ix86_compute_frame_size): Likewise.
9413 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
9414 (ix86_emit_restore_regs): Remove.
9415 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
9416 when a frame pointer is in use.
9417 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
9418 instead of pop to restore a register when profitable; emit leave
9420 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
9422 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
9423 * i386.md (prologue_allocate_stack): Remove.
9424 (epilogue_deallocate_stack): Remove.
9425 (pro_epilogue_adjust_stack): New.
9427 2000-02-04 Richard Henderson <rth@cygnus.com>
9429 * function.c (diddle_return_value): Rework to use a callback function.
9430 Use current_function_return_rtx if it's been set up.
9431 (do_clobber_return_reg, clobber_return_register): New.
9432 (do_use_return_reg, use_return_register): New.
9433 (expand_function_end): Use them.
9434 * stmt.c (expand_null_return): Likewise.
9435 * function.h: Declare them.
9436 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
9437 (mark_reg): Change arguments as appropriate for callback.
9438 * integrate.c (expand_inline_function): Revert 19 Jan change.
9440 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
9442 * tm.texi (Values in Registers): Fix typo: "fo" "for".
9443 (Misc): Say the scheduler, not the Haifa scheduler.
9445 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
9447 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
9448 when in_mem is set. Update all callers.
9450 2000-02-04 Richard Henderson <rth@cygnus.com>
9452 * i386/openbsd.h (INT_ASM_OP): Define.
9454 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
9456 * tm.texi: Fix various typos.
9458 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
9460 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
9461 (MD_STARTFILE_PREFIX_1): New macro.
9463 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
9465 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
9466 destination when needed.
9467 (strmovsi, strsetsi): New expander.
9468 (strmovsi_1, strsetsi_1): New pattern.
9469 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
9470 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
9471 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
9472 * invoke.texi (align-stringops, inline-all-stringops): Document.
9474 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
9476 * i386/netbsd.h (INT_ASM_OP): Define.
9478 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
9480 * cpplib.h (cpp_reader): Add new flag, no_directives.
9481 * cpphash.c (macarg): Set it.
9482 * cpplib.c (handle_directive): If no_directives is on and we
9483 find a directive, issue an error and discard the line.
9485 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
9487 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
9488 FP constants. Add ! TARGET_FPU check for FP constants.
9490 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
9492 * flow.c (find_basic_blocks): Don't kill label_value_list
9494 (cleanup_cfg): Kill it here.
9496 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9498 * expr.c (store_field): Ensure ALIGN is no stricter than the
9501 2000-02-02 Richard Henderson <rth@cygnus.com>
9503 * jump.c (delete_insn): Partially revert 19 Jan change;
9504 don't convert unused code labels to notes at -O0.
9506 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9508 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
9509 split_all_insns to recreate REG_LABEL notes for flow2 pass.
9511 2000-02-01 Richard Henderson <rth@cygnus.com>
9513 * i386.c (general_no_elim_operand): New.
9514 (nonmemory_no_elim_operand): New.
9515 (ix86_expand_move): Copy eliminable operands before a push.
9516 * i386-protos.h: Declare new functions.
9517 * i386.h (CAN_ELIMINATE): Simplify.
9518 (PREDICATE_CODES): Update.
9519 * i386.md (push insns): Don't allow eliminable register operands.
9521 2000-02-01 Richard Henderson <rth@cygnus.com>
9523 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
9524 replace BLKmode with DECL_RTL's mode.
9526 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
9528 * frame.c (find_fde): Convert for loop to do-while so compiler
9529 sees it's always executed at least once.
9530 * libgcc2.c (BBINBUFSIZE): Kill.
9531 (__bb_init_prg): Use fgets.
9532 (__bb_exit_trace_func): Don't paste strings.
9533 * unroll.c (unroll_loop): Initialize unroll_type, not
9534 unroll_number, and tweak logic to match.
9536 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
9538 (ix86_flags_dependant): Likewise. Disentangle control flow.
9539 (ix86_sched_reorder): Break guts out to
9540 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
9541 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
9544 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
9545 use string concatenation. Don't save and restore esi.
9547 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
9548 (machname.h): Remove script to separate file. Use two-step
9549 sequence so target is not created if script fails.
9550 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
9551 identifiers are defined.
9552 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
9553 an empty string, machine_name doesn't need to do anything at
9555 (is_cxx_header): Add more cases to regexp.
9556 * fixinc/fixlib.h: Update prototype.
9557 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
9559 * fixinc/fixincl.c: Define NO_BOGOSITY.
9561 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
9562 (hp_sysfile): Add missing comma.
9563 (math_exception): Put the wrapper ifdefs at the beginning and
9564 the end of the file.
9565 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
9567 2000-02-01 Richard Henderson <rth@cygnus.com>
9569 * sparc.c (fp_zero_operand): Turn into a normal predicate.
9570 Use CONST0_RTX. Update all callers.
9571 * sparc.h, sparc-protos.h: Update accordingly.
9572 * sparc.md (fp mov insns): Use fp_zero_operand directly
9575 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
9577 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
9580 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9582 * Makefile.in (specs.ready): New target.
9583 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
9585 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9587 * fixinc.irix: Use unique filenames for writing into /tmp,
9588 * fixinc.ptx: Likewise.
9589 * fixinc.sco: Likewise.
9590 * fixinc.svr4: Likewise.
9591 * fixinc.winnt: Likewise.
9593 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9595 * tsystem.h: New file.
9597 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
9598 s-crtS): Depend on tsystem.h.
9600 * crtstuff.c: Include tsystem.h.
9601 * frame.c: Likewise.
9602 * libgcc2.c: Likewise.
9604 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
9606 * builtins.c (expand_builtin_memset): Expand for variable sized
9609 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
9611 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
9614 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
9616 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
9618 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
9620 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
9622 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
9623 case 3->2 combining (combining with splitting) in which 2 is CC0
9624 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
9625 checked at the begining of the function with the aid of calling
9626 function 'can_combine_p'.
9628 2000-01-31 Dave Brolley <brolley@redhat.com>
9630 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
9632 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
9634 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
9637 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9639 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
9641 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
9644 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9646 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
9647 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
9648 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
9649 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
9650 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
9651 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
9652 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
9653 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
9654 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
9655 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
9657 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
9658 Add %(cpp_cpu) to CPP_SPEC.
9660 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
9661 Add %(cc1_cpu) to CC1_SPEC.
9663 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9665 * c-decl.c (c_decode_option): Accept optional numeric argument to
9666 -Wformat and set warn_format.
9667 * c-common.c: Don't emit warning about non-constant printf format
9668 string unless warn_format > 1.
9670 2000-01-30 Richard Henderson <rth@cygnus.com>
9672 * alpha.md (return_internal): Allow after reload only.
9674 2000-01-30 Richard Henderson <rth@cygnus.com>
9676 * i386.c (ix86_compute_frame_size): Omit padding1 if the
9677 local frame size is zero.
9679 2000-01-30 Richard Henderson <rth@cygnus.com>
9681 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
9682 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
9683 * alpha.md (return): Turn into an expander.
9684 (return_internal): Don't use $26.
9685 (epilogue): Emit the return insn.
9687 2000-01-30 Richard Henderson <rth@cygnus.com>
9689 * alpha.md (negtf2, abstf2): Fix word order thinko.
9691 (trunctfsf2): Avoid intermediate rounding errors.
9693 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9695 * cppfiles.c (find_position): Drop 'colp' argument, return the
9697 (read_and_prescan): Adjust to match. Don't ever manipulate
9698 line or line_base except via find_position.
9700 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9702 * c-parse.in: Apply Ulrich's changes from c-parse.y.
9703 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
9706 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9708 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
9709 just print "<command line>". If 'filename' is null or an
9710 empty string, print "<stdin>" for the filename.
9711 * cpplib.c (do_define): Don't print the 'location of the
9712 previous definition' message if we're still parsing the
9714 (cpp_pedwarn_with_file_and_line): Always call
9715 cpp_file_line_for_message.
9717 2000-01-29 Mark Mitchell <mark@codesourcery.com>
9719 * flow.c (mark_regs_live_at_end): Fix typo.
9721 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9723 * c-common.c: Adjust variable names, comments, help strings to c99.
9724 * c-lex.c: Likewise.
9725 * c-parse.y: Likewise.
9726 * c-tree.h: Likewise.
9728 * cpplib.h: Likewise.
9729 * c-decl.c: Likewise. Recognize options with names "*99" as well.
9730 * cppinit.c: Likewise.
9732 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9734 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
9735 * c4x.c: Define the optab rtx values.
9736 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
9737 (c4x_emit_libcall): Use new optab rtx values.
9738 (c4x_emit_libcall3): Likewise.
9739 (c4x_emit_libcall_mulhi): Likewise.
9740 * c4x-protos.h: Add prototypes for optab rtx values and change
9741 prototypes for above c4x_emit_libcall functions.
9743 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9745 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
9747 (c4x_function_prologue): Use regnames intead of float_reg_names when
9749 (c4x_function_epilogue): Likewise.
9750 (c4x_print_operand): Likewise.
9751 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
9752 * c4x.md (set_high): Disable for TARGET_TI.
9754 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9756 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
9757 of framepointer + constant to ADDR_REGS class.
9758 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
9759 * c4x.c (std_or_reg_operand): New function.
9760 * c4x-protos.h (std_or_reg_operand): Prototype it.
9762 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9764 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
9765 object names as libgcc2.c.
9766 * libgcc.S: Use newly defined names.
9768 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
9769 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
9771 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
9772 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
9773 (FLOW_LOOP_LAST_BLOCK): Likewise.
9775 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9777 * basic-block.h (struct loop): New fields 'first' and 'last'.
9778 * flow.c (flow_loops_find): Compute loop->first and loop->last.
9779 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
9780 and loop->last to check for NOTE_INSN_LOOP_END.
9782 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
9784 * predict.c (estimate_probability): Use the new FIRST and LAST fields
9785 of the loop descriptor rather than HEADER and LATCH. Also added
9786 missing break statements as well making some coding style modifications
9787 as suggested by Michael Hayes.
9789 2000-01-28 Richard Henderson <rth@cygnus.com>
9791 * flow.c (find_basic_blocks): Remove do_cleanup argument.
9792 Break out that code ...
9793 (cleanup_cfg): ... here.
9794 (commit_one_edge_insertion): Detect a return instruction being
9795 emitted to an edge. Emit a barrier following; clear fallthru.
9796 (commit_edge_insertions): Verify CFG consistency.
9797 * function.c (expand_function_start): Kill unused variable.
9798 (expand_function_end): Likewise.
9799 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
9800 to insert the epilogue.
9802 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
9803 (delete_null_pointer_checks): Likewise.
9804 * output.h: Likewise.
9805 * reg-stack.c (reg_to_stack): Likewise.
9806 * toplev.c (rest_of_compilation): Likewise. Run
9807 thread_prologue_and_epilogue_insns after rebuilding the CFG.
9809 2000-01-28 Richard Henderson <rth@cygnus.com>
9811 * Makefile.in (flow.o): Revert 24 Jan change.
9812 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
9813 FUNCTION_VALUE result to DECL_RESULT's mode.
9815 * haifa-sched.c (schedule_insns): Don't recompute reg info
9818 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
9820 * configure.in: Make --enable-cpplib the default.
9821 * configure: Regenerate.
9822 * gcc.dg/990119-1.c: No longer expected to fail.
9824 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
9826 * jump.c (jump_optimize_1): Delete an optimization that is also done
9827 by merge_blocks in flow.
9829 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9831 * diagnostic.c (build_message_string, output_printf,
9832 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
9833 (build_location_prefix): Fix non-literal format string.
9835 2000-01-27 Richard Henderson <rth@cygnus.com>
9837 * alpha.md (trunctfsf2): New.
9839 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
9841 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
9843 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9845 * cppinit.c (cpp_handle_option): Recognize C++ comments under
9847 * cpplib.c (skip_block_comment, skip_line_comment): Split code
9849 (skip_comment) ... here. Permit C++ comments in system
9850 headers always. Warn about C++ comments in user code under
9851 -std=gnu89 -pedantic.
9852 (copy_comment): Use skip_comment.
9853 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
9855 (consider_directive_while_skipping, do_else, do_endif): Call
9856 validate_else unconditionally.
9857 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
9858 text after the conditional in a system header.
9859 * cpplib.h (struct cpp_buffer): Add flag
9860 warned_cplusplus_comments.
9862 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9864 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
9865 Use unshare_all_rtl_1.
9866 (unshare_all_rtl_again): New function.
9867 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
9869 * function.c (purge_addressof_1): Use unshare_all_rtl_again
9870 rather than resetting the 'used' flags ourself.
9872 * toplev.c (rest_of_compilation): Add current_function_decl
9873 to the unshare_all_rtl call.
9874 * tree.h: Prototype unshare_all_rtl.
9875 * rtl.h: Prototype unshare_all_rtl_again here.
9877 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9879 * genoutput.c (output_prologue): Include ggc.h in generated
9881 * Makefile.in (insn-output.o): Depends on ggc.h.
9883 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
9884 Hans-Peter Nilsson <hp@bitrange.com>
9886 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
9887 Remove redundant include of xm-ns32k.h.
9888 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
9889 Remove redundant include of xm-ns32k.h.
9890 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
9891 Remove redundant include of xm-ns32k.h.
9892 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
9894 * ns32k/ns32k.h: Update comment on multiply-add instructions.
9895 (TARGET_SWITCHES): Add documentation strings.
9896 (DWARF_FRAME_REGNUM): Override default definition.
9897 (REG_CLASS_CONTENTS): Add comments.
9898 (SUBSET_P): Format to reduce line length.
9899 (SMALL_REGISTER_CLASSES): Make a run time option.
9900 (GO_IF_NONINDEXED_ADDRESS): Reformat.
9901 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
9902 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
9903 (regclass_map): fix typo in comment.
9904 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
9905 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
9906 (trace, reg_or_mem_operand): Delete, unused function.
9907 (calc_address_cost): Small offsets are cheaper than large ones.
9908 (expand_block_move): Generate more efficient code when bytes is a
9909 known at compile time.
9910 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
9911 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
9912 instead of reg_or_mem_operand.
9914 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
9915 not general_operand. Similarly use "=rm" or stricter, not "=g".
9916 For input operands, use stricter constraints than "g" if not
9917 general_operand. Similarly use stricter predicate than
9918 "general_operand" when stricter constraints than "g" are present,
9919 except for matching constraints.
9920 (movstrsi): Use "memory_operand" for operands 0 and 1.
9921 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
9922 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
9923 not reg_or_mem_operand.
9924 (udivmoddisi4): Ditto.
9925 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
9926 Use nonimmediate_operand for operand 3, not register_operand.
9927 (udivmoddiqi4_internal): Use register_operand for operand 1, not
9930 2000-01-27 Fred Fish <fnf@be.com>
9932 * gthr-posix.h: Fix typo; compatibily -> compatibility.
9933 * gthr-single.h: Likewise.
9934 * gthr-solaris.h: Likewise.
9935 * gthr-vxworks.h: Likewise.
9936 * gthr-win32.h: Likewise.
9939 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9941 * cppinit.c: Add " (cpplib)" to end of string printed by
9944 2000-01-27 Richard Henderson <rth@cygnus.com>
9946 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
9947 testing for a signed comparison.
9948 (alpha_emit_floatuns): New.
9949 * alpha-protos.h: Declare it.
9950 * alpha.md (floatunsdisf2, floatunsdidf2): New.
9951 (extendsfdf2): Tidy.
9953 2000-01-27 Jakub Jelinek <jakub@redhat.com>
9955 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
9956 no -g option specifying debugging format, default to -gstabs+.
9958 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9960 * calls.c (special_function_p): New argument fork_or_exec.
9961 (expand_call): When profile_arc_flag is set and the function
9962 is in the fork_or_exec group, call __bb_fork_func first.
9963 * libgcc2.c, _bb module (__bb_fork_func): New function.
9964 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
9966 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
9967 * tree.h (special_function_p): Update prototype.
9969 2000-01-26 Richard Henderson <rth@cygnus.com>
9971 * alpha.c (alpha_split_tfmode_pair): New.
9972 * alpha-protos.h: Declare it.
9973 * alpha.md (abstf2, negtf2): New.
9974 (movtf insn): Add input G constraint.
9975 (movtf splitter): Use alpha_split_tfmode_pair.
9977 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9979 * i386/cygwin.h: PROTO -> PARAMS.
9981 2000-01-26 Jakub Jelinek <jakub@redhat.com>
9983 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
9984 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
9985 using _Qp_cmp/_Q_cmp and testing the return value.
9986 (print_operand): Call reverse_condition_maybe_unordered if
9987 we are handling CCFPmode or CCFPEmode.
9988 Handle ORDERED, UN* and LTGT comparisons.
9989 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
9990 if not TARGET_HARD_QUAD.
9991 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
9992 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
9993 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
9994 Adjust gen_b* calls so that they reflect return comparison of
9995 sparc_emit_float_lib_cmp.
9997 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9999 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
10000 incoming operands array is large enough for one more operand.
10001 (alpha_emit_xfloating_arith): Likewise.
10003 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
10005 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
10006 file with one line and no trailing newline.
10007 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
10008 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
10009 checking if the match is on the line.
10010 * fixinc/gnu-regex.c: Provide regerror not __regerror.
10012 2000-01-25 Richard Henderson <rth@cygnus.com>
10014 * sparc.c (output_cbranch): Fix accidental squashing of the
10015 fp branch pre-delay nop.
10017 2000-01-25 Richard Henderson <rth@cygnus.com>
10019 * tree.def (UNNE_EXPR): Remove.
10020 * c-typeck.c (build_binary_op): Don't handle it.
10021 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
10023 * rtl.def (UNNE): Remove.
10025 * jump.c (reverse_condition): Update accordingly.
10026 (swap_condition): Likewise.
10027 (comparison_dominates_p): Handle unordered comparisons.
10028 (reverse_condition_maybe_unordered): New.
10029 * rtl.h (reverse_condition_maybe_unordered): Declare.
10031 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
10032 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
10033 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
10034 * sparc.md (bltgt): New.
10036 2000-01-25 Nick Clifton <nickc@redhat.com>
10038 * emit-rtl.c (emit_insn): Only check machine class insns for
10039 improper emission of a RETURN.
10041 2000-01-25 Richard Henderson <rth@cygnus.com>
10043 * Makefile.in (flow.o): Depend on $(EXPR_H).
10044 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
10045 duplicate the structure of diddle_return_value for keeping regs live.
10047 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10049 * loop.c (current_loop_info): Delete.
10050 (consec_sets_invariant_p): Add loop argument, update callers.
10051 (get_condition_for_loop): Likewise.
10052 (count_nonfixed_reads, update_giv_derive): Likewise.
10053 (simplify_giv_expr, general_induction_var): Likewise.
10054 (consec_sets_giv, recombine_givs): Likewise.
10055 (move_movables): Delete loop_start and loop_end arguments,
10056 add loop argument, and update callers.
10057 (find_mem_givs, check_final_value): Likewise.
10058 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
10059 (loop_invariant_p): Rename from invariant_p, add loop argument, and
10061 (basic_induction_var): Add loop argument, delete loop_level argument,
10062 and update callers.
10063 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
10064 add loop argument, and update callers.
10065 (find_splittable_regs, find_splittable_givs): Likewise.
10066 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
10067 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
10068 (biv_total_increment): Delete loop_start and loop_end arguments;
10070 (precondition_loop_p): Delete loop_start and loop_info arguments;
10072 * loop.h (get_condition_for_loop): Add loop argument.
10073 (biv_total_increment): Delete loop_start and loop_end arguments.
10074 (precondition_loop_p): Delete loop_start and loop_info arguments;
10076 (final_biv_value): Delete loop_start and loop_end arguments;
10078 (final_giv_value, back_branch_in_range_p): Likewise.
10080 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
10082 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
10084 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
10086 * Makefile.in (c-gperf.h) : Change the "See" pointer to
10087 point to the new "generated_files" doc.
10089 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
10091 * config/fp-bit.c (_unord_f2): Fix typo.
10093 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
10095 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
10096 c-typeck.c, objc/objc-act.c: Remove all references to obstack
10097 functions obsoleted by GC, such as push_obstacks_nochange,
10098 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
10099 and code which existed only to decide whether or not to call
10100 them. Remove now-unused NESTED argument from start_function;
10101 all callers changed. Do not change behavior based on ggc_p.
10102 The use of the ixp_obstack in c-iterate.c and the util_obstack
10103 in objc/objc-act.c remain; these are not obsoleted by garbage
10105 * c-tree.h: Update prototype for start_function.
10107 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
10109 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
10111 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
10114 2000-01-25 Richard Henderson <rth@cygnus.com>
10116 * sparc-protos.h (select_cc_mode): Declare.
10117 * sparc.c (select_cc_mode): New. Handle unordered compares.
10118 (output_cbranch): Always reverse via code change. Handle
10119 unordered compares. Factor tests and string updates.
10120 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
10121 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
10122 * sparc.md (bunordered, bordered): New.
10123 (bungt, bunlt, buneq, bunge, bunle): New.
10125 2000-01-25 Richard Henderson <rth@cygnus.com>
10127 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
10128 * ggc-common.c (ggc_add_rtx_varray_root): New.
10129 (ggc_mark_rtx_varray): New.
10130 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
10131 functions down below ggc_mark_foo.
10132 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
10134 2000-01-25 Richard Henderson <rth@cygnus.com>
10136 * alpha.c (secondary_reload_class): Don't allocate a secondary
10137 for integral mode memories into FLOAT_REGS. Rearrange the more
10138 complicated memory expression inward.
10140 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
10142 * inclhack.def: Fixes to play nicer with FreeBSD, and
10143 corrections to comments.
10144 (cxx_unready): Add select expression.
10145 (irix_sockaddr): Add bypass expression.
10146 (machine_ansi_h_va_list): New fix.
10147 (stdio_va_list): No need to edit _BSD_VA_LIST_.
10148 Split out addition of "#include <stdarg.h>" to...
10149 (stdio_stdarg_h): ... here.
10150 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
10151 to stdlib.h also. Do not munge _BSD_SIZE_T_.
10152 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
10154 (ultrix_ifdef): Tighten up select expression.
10156 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
10157 re_ct and max_mach to avoid use of shell. Make printed names
10158 match names in inclhack.def. Use static copyright date.
10159 Don't count c_test and test expressions as requiring regex_t
10160 slots. Add some commentary.
10161 * inclhack.tpl: Do not include the 'This script contains N
10162 fixup scripts' line if PROGRAM is defined. Use static
10165 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
10167 * dwarf2out.c: include "varray.h", not dyn-string.h.
10168 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
10169 (addr_const_to_string, addr_to_string): Lose.
10170 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
10171 (struct dw_val_struct): val_addr is now an rtx.
10172 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
10173 (used_rtx_varray): New varray.
10174 (dwarf2out_init): Initialize it.
10175 (save_rtx): New fn.
10176 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
10178 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
10179 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
10180 * Makefile.in (dwarf2out.o): Update dependencies.
10182 2000-01-24 Richard Henderson <rth@cygnus.com>
10184 * i386.c (i386_dwarf_output_addr_const): New.
10185 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
10187 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
10189 * dwarfout.c (output_mem_loc_descriptor): Likewise.
10190 * i386.c (i386_simplify_dwarf_addr): New.
10191 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
10193 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
10195 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
10196 TYPE_STUB_DECL is NULL.
10198 2000-01-24 Richard Henderson <rth@cygnus.com>
10200 * builtins.c (expand_tree_builtin): Move ...
10201 * c-common.c (expand_tree_builtin): ... here.
10203 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10205 * loop.h (LOOP_INFO): New accessor macro.
10206 * basic-block.h (struct loop): Rename field `info' to `aux'.
10207 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
10208 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
10209 * unroll.c (loop_iterations, unroll_loop): Likewise.
10211 2000-01-24 Christopher Faylor <cgf@cygnus.com>
10213 * config/i386/t-cygwin: Accomodate new winsup directory layout
10214 when searching for include files.
10216 2000-01-24 Richard Henderson <rth@cygnus.com>
10218 * rtl.def: Add unordered fp comparisions.
10219 * tree.def: Likewise.
10220 * tree.h: Add ISO C 9x unordered fp comparision builtins.
10222 * builtins.c (expand_tree_builtin): New function.
10223 * c-typeck.c (build_function_call): Use it.
10224 (build_binary_op): Support unordered compares.
10225 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
10227 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
10228 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
10229 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
10230 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
10231 * jump.c (reverse_condition): Don't abort for UNLE etc, but
10233 (swap_condition): Handle unordered compares.
10234 (thread_jumps): Check can_reverse before reversing.
10235 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
10238 * optabs.c (can_compare_p): New argument CODE. Verify branch or
10239 setcc is present before acking for cmp_optab. Update all callers.
10240 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
10241 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
10242 * expr.c (expand_expr): Likewise. Support unordered compares.
10243 (do_jump, do_store_flag): Likewise.
10244 * expr.h (enum libfunc_index): Add unordered compares.
10246 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
10247 (DPBIT_FUNCS): Add _unord_df.
10248 * config/fp-bit.c (_unord_f2): New.
10249 * fp-test.c (main): Try unordered compare builtins.
10251 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
10252 * alpha.c (alpha_comparison_operator): Check mode properly.
10253 (alpha_swapped_comparison_operator): Likewise.
10254 (signed_comparison_operator): Likewise.
10255 (alpha_fp_comparison_operator): New.
10256 (alpha_emit_conditional_branch): Handle unordered compares.
10257 * alpha.h (PREDICATE_CODES): Update.
10258 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
10259 (bunordered, bordered): New.
10261 2000-01-24 Richard Henderson <rth@cygnus.com>
10263 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
10264 * alpha.md (movtf): New expander, insn, and splitter.
10266 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
10268 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
10271 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
10273 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
10274 (FIXED_REGISTERS, CALL_USED_REGISTERS,
10275 REG_ALLOC_ORDER): Add frame pointer
10276 (FRAME_POINTER_REGNUM): Set to 20
10277 (HARD_FRAME_POINTER_REGNUM): New macro.
10278 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
10279 to HARD_FRAME_POINTER.
10280 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
10281 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
10282 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
10283 (HI_REGISTER_NAMES): Add "frame".
10284 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
10285 (debug_reg): Handle FRAME_POINTER_REGNUM.
10286 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
10287 GENERAL_REGS and INDEX_REGS.
10288 * i386.c (SAVED_REGS_FIRST): new macro.
10289 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
10290 (ix86_decompose_address, memory_address_length): Likewise.
10291 (regclass_map): Add frame pointer.
10292 (call_insn_operand): Handle frame_pointer_rtx.
10293 (reg_no_sp_operand): Likewise.
10294 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
10295 (print_operand, legitimize_pic_address): Fix formating.
10296 (ix86_compute_frame_size): Make static, update prototype, new
10297 parameters padding1, padding2, use ix86_nsaved_regs, use
10298 stack_alignment_needed.
10299 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
10300 to HARD_FRAME_POINTER_REGNUM conversions.
10301 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
10302 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
10303 (print_reg): Abort on FRAME_POINTER_REGNUM
10305 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
10307 * i386.h (PREDICATE_CODES): Add aligned_operand.
10308 * i386.c (aligned_operand): New function.
10309 (ix86_aligned_p): Kill.
10310 * i386.md (movhi_1): Emit mov for aligned operands.
10311 (promoting peep2s): Use aligned_operand.
10313 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
10315 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
10316 expression to allow underscores in macro names.
10317 (fix_char_macro_defines): Increment scanning pointer.
10319 2000-01-23 Richard Henderson <rth@cygnus.com>
10321 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
10322 * alpha/osf5.h: New file.
10323 * configure.in (alpha-*-osf5): Add it to tm_file.
10325 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
10327 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
10328 (alpha_emit_xfloating_cvt, function_arg): Declare.
10329 * alpha.c (alpha_emit_conditional_branch): Call
10330 alpha_emit_xfloating_compare for TFmode compares.
10331 (alpha_lookup_xfloating_lib_func): New.
10332 (alpha_compute_xfloating_mode_arg): New.
10333 (alpha_emit_xfloating_libcall): New.
10334 (alpha_emit_xfloating_arith): New.
10335 (alpha_emit_xfloating_compare): New.
10336 (alpha_emit_xfloating_cvt): New.
10337 (print_operand): Add default abort case.
10338 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
10339 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
10340 (BIGGEST_ALIGNMENT): Increase to 128 bits.
10341 (RETURN_IN_MEMORY): True for TF/TCmode.
10342 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
10343 (FUNCTION_ARG): Move to function_arg.
10344 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
10345 (ASM_OUTPUT_LONG_DOUBLE): New.
10346 (ASM_OUTPUT_DOUBLE): Always output bits.
10347 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
10348 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
10349 (extenddftf2, trunctfdf2): New.
10351 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10353 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
10354 * config/sparc/sol2.h: ... here.
10356 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10358 * basic-block.h (struct loops): New field `levels'.
10359 * flow.c (flow_loops_level_compute): Traverse all outer loops.
10360 (flow_loop_level_compute): Initialise level to 1.
10361 (flow_loops_find): Set loops->levels.
10362 (flow_loops_dump): Print loops->levels.
10364 2000-01-23 Richard Henderson <rth@cygnus.com>
10366 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
10367 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
10369 2000-01-23 Richard Henderson <rth@cygnus.com>
10371 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
10372 * i386.h (DBX_REGISTER_NUMBER): Use them.
10373 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
10374 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
10375 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
10376 * i386/sequent.h: Kill incorrect comment.
10378 2000-01-23 Mark Mitchell <mark@codesourcery.com>
10380 * ggc-page.c (struct page_entry): Make `context_depth' an
10382 (struct globals): Likewise.
10384 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
10386 * loop.c (check_dbra_loop): When checking a loop for
10387 reversability, check the source of any stores to ensure
10388 they don't depend on an initial value.
10390 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10392 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
10394 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
10396 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
10397 'pz_scan' into scope of entire function. Only affects
10398 compiles with -DDEBUG.
10400 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
10402 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
10403 section naming to that prior to 2000-01-07 patch.
10404 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
10405 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
10406 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
10407 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
10408 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
10410 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
10412 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
10415 2000-01-21 Jim Wilson <wilson@cygnus.com>
10417 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
10418 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
10420 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10422 * cpphash.c (change_newlines): Delete function.
10423 (struct argdata): Delete 'newlines' and 'use_count' fields.
10424 (macroexpand): Remove code referencing those fields.
10426 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10428 * loop.c (loops_info): New variable.
10429 (loop_optimize): Allocate loops->array and free it on exit.
10430 Allocate memory for loops_info and assign to each loop,
10432 (find_and_verify_loops): Do not allocate loops->array.
10434 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10436 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
10438 2000-01-21 Jakub Jelinek <jakub@redhat.com>
10440 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
10441 pseudos if expanded after first flow.
10442 (movdi_pic_label_ref): Likewise.
10444 2000-01-20 Richard Henderson <rth@cygnus.com>
10446 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
10448 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
10450 * Makefile.in (fixinc.sh): Depend on specs.
10451 * fixinc/Makefile.in: Add rule to create machname.h.
10452 (fixlib.o): Depend on machname.h.
10453 * fixinc/fixtests.c (machine_name): New test.
10454 * fixinc/fixfixes.c (machine_name): New fix.
10455 * fixinc/fixlib.c (mn_get_regexps): New helper function for
10456 the machine_name test and fix.
10457 * fixinc/fixlib.h: Prototype it.
10458 * fixinc/inclhack.def (machine_name): Use the C test and fix.
10459 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
10461 * gcc.c (do_spec_1) [case P]: Take care not to create
10462 identifiers with three leading or trailing underscores.
10464 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
10465 (fixincl): Don't specify libraries twice on link line.
10466 (gnu-regex.o): Remove special rule.
10467 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
10468 defined by config.h. Do not define _REGEX_RE_COMP.
10469 (regcomp): Allocate and initialize a fastmap.
10470 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
10472 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
10474 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
10476 2000-01-19 Richard Henderson <rth@cygnus.com>
10478 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
10479 arguments with BB. Update all callers. Tidy line wrapping.
10481 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
10483 * emit-rtl.c (try_split): Return last_insn if we split the
10486 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
10488 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
10489 (ix86_initial_elimination_offset): Declare.
10490 * i386.c (ix86_nsaved_regs): Break out from ...
10491 (ix86_can_use_return_insn_p): ... here.
10492 (ix86_emit_save_regs): Break out from ...
10493 (ix86_expand_prologue): ... here.
10494 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
10496 (ix86_expand_epilogue): ... here.
10497 (ix86_compute_frame_size): Make static, add prototype.
10498 (ix86_initial_elimination_offset): Break out from ...
10499 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
10501 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10503 * recog.h (OUT_FCN): Delete.
10505 * vax.md: Call `get_insn_template' instead of OUT_FCN.
10507 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10509 * cppalloc.c: PROTO -> PARAMS.
10510 * cpperror.c: Likewise.
10511 * cppfiles.c: Likewise.
10512 * cpplib.c: Likewise.
10513 * cpplib.h: Likewise.
10515 * config/arm/arm-protos.h: PROTO -> PARAMS.
10516 * config/arm/arm.c: Likewise.
10517 * config/c4x/c4x.c: Likewise.
10518 * config/fr30/fr30-protos.h: Likewise.
10519 * config/nextstep.c: Likewise.
10520 * config/pa/pa.c: Likewise.
10521 * config/pj/pj.c: Likewise.
10522 * config/rs6000/rs6000.c: Likewise.
10523 * config/v850/v850-protos.h: Likewise.
10524 * config/v850/v850.c: Likewise.
10526 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10528 * i370-protos.h: New file.
10530 * i370.c: Include tm_p.h. Fix compile time warnings.
10532 * i370.h: Move prototypes to i370-protos.h. Fix compile time
10535 * i370.md: Likewise.
10537 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10539 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
10540 (target_isinf, target_isnan, eisnan): Mark parameter with
10542 (eiisinf): Wrap in INFINITY.
10543 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
10544 (ibmtoe): Remove unused variable `rndsav'.
10546 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10548 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
10549 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
10551 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
10553 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
10554 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
10555 (fix_char_macro_defines, fix_char_macro_uses): New functions.
10557 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
10558 Recognize Emacs mode markers also.
10559 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
10560 C++ comments in C++ headers. Call is_cxx_header only if
10563 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
10564 bypass for ncurses.
10565 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
10566 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
10567 ... these, which use the new C fixes.
10568 (math_exception): Escape literal '+' in bypass expression.
10570 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
10573 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10575 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
10578 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10580 * loop.c (loop_optimize): Allocate loop_info structure for each loop
10581 prior to calling scan_loop.
10583 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10585 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
10586 (split_branches, calc_live_regs): Likewise.
10588 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10590 * sh.md (fpu_single, fp_mode): New attributes.
10592 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10594 * loop.c (current_loop_info): Renamed from loop_info_data
10595 and changed to a pointer.
10596 (loop_optimize): Allocate loop_info structure for each loop
10597 and initialise to zero.
10598 (scan_loop): Set current_loop_info.
10600 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
10603 2000-01-19 Richard Henderson <rth@cygnus.com>
10605 * stupid.c: Die die die.
10606 * Makefile.in (OBJS): Remove stupid.o.
10607 (stupid.o): Likewise.
10609 * except.c (emit_eh_context): Don't emit USEs for stupid.
10610 * explow.c (probe_stack_range): Likewise.
10611 * flags.h (obey_regdecls): Remove.
10612 * flow.c (find_basic_blocks): Don't run try_merge_blocks
10613 when not optimizing.
10614 (life_analysis): Limit data collection when not optimizing.
10615 (mark_regs_live_at_end): Always mark the return value registers.
10616 (mark_used_regs): Remove dummy RETURN case.
10617 (print_rtl_with_bb): Don't consult obey_regdecls.
10618 * function.c (use_variable, use_variable_after): Remove.
10619 (assign_parms): Consult optimize not obey_regdecls.
10620 (expand_function_start): Don't emit USEs for stupid.
10621 (expand_function_end): Likewise.
10622 * global.c (build_insn_chain): Export.
10623 * integrate.c (expand_inline_function): Kill return-value USE
10625 * jump.c (jump_optimize_1): Do simple jump optimizations and
10626 dead code elimination.
10627 (calculate_can_reach_end): Remove check_deleted argument.
10628 (delete_insn): Patch out insns even when not optimizing.
10629 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
10630 * rtl.h (use_variable, use_variable_after): Remove declarations.
10631 (build_insn_chain): Declare.
10632 * stmt.c (expand_value_return): Don't emit USEs for stupid.
10633 (expand_end_bindings): Likewise.
10634 (expand_decl): Likewise. Consult optimize not obey_regdecls.
10635 * toplev.c (obey_regdecls): Remove.
10636 (rest_of_compilation): Don't set it. Kill stupid in favour of
10637 flow1, local-alloc, and reload.
10638 (main): Don't set obey_regdecls.
10640 * config/nextstep.c (handle_pragma): Likewise.
10642 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
10644 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
10646 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10648 * alpha-protos.h: PROTO -> PARAMS.
10649 * alpha.c: Likewise.
10651 * h8300.c: Likewise.
10652 * i386-protos.h: Likewise.
10653 * i386.c: Likewise.
10654 * m32r-protos.h: Likewise.
10655 * m32r.c: Likewise.
10656 * mips.c: Likewise.
10657 * mips.md: Likewise.
10658 * gmon-sol2.c: Likewise.
10659 * sparc.c: Likewise.
10661 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10663 * ns32k-protos.h: New file.
10665 * ns32k.c: Fix compile time warnings.
10667 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
10670 * ns32k.md: Likewise.
10672 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10674 * vax-protos.h: New file.
10676 * vax.c: Fix compile time warnings.
10678 * vax.h: Move prototypes to vax-protos.h. Fix compile time
10681 * vax.md: Likewise.
10683 * vaxv.md: Likewise.
10685 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10687 * romp-protos.h: New file.
10689 * romp.c: Fix compile time warnings.
10691 * romp.h: Move prototypes to romp-protos.h. Fix compile time
10694 * romp.md: Likewise.
10696 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10698 * we32k-protos.h: New file.
10700 * we32k.c: Fix compile time warnings.
10702 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
10705 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10707 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
10709 * except.c (eh_regs): Likewise.
10711 * final.c (output_operand): Likewise.
10713 * fold-const.c (target_isinf, target_isnan): Likewise.
10715 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10717 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
10718 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
10720 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
10721 when optimize_size.
10722 (clrstrsi): Rewrite.
10723 (strsethi, strsetqi): New expanders.
10724 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
10725 (cmpstrsi): Emit compare insn before cmpstrsi_1
10726 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
10727 (strlensi_1): Likewise.
10728 (cmpstrsi_1): Likewise; do not output compare.
10729 (strlen expander): Do not unroll when optimizing for size.
10730 (*subsi3_carry): Rename to subsi3_carry
10731 (addqi3_cc): New pattern.
10732 * i386.h (processor_costs): Add move_ratio field.
10733 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
10734 * i386.c (*_cost): Set move_ratio.
10735 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
10736 (x86_expand_strlensi_1): Rewrite the main loop.
10738 2000-01-17 Richard Henderson <rth@cygnus.com>
10740 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
10741 * cse.c (find_comparison_args, fold_rtx): Likewise.
10742 * integrate.c (subst_constants): Likewise.
10743 * loop.c (get_condition): Likewise.
10745 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
10747 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
10749 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10751 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
10752 (RESTORE_WARN_FLAGS): Unpack it.
10753 Change semantic type of extension to ttype.
10754 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
10755 * c-parse.y, c-parse.c, objc/objc-parse.y,
10756 objc/objc-parse.c: Regenerate.
10758 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
10760 * fixinc/fixlib.c: Add copyright notice.
10761 (compile_re): New function.
10762 * fixinc/fixlib.h: Prototype compile_re.
10764 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
10765 Use compile_re to compile regular expressions.
10767 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
10768 where the pattern matched.
10770 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
10772 (ultrix_ansi_compat): Likewise.
10773 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
10775 (interactv_add2, interactv_add3): Delete.
10776 (x11_sprintf): Don't use filename glob.
10777 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
10780 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10782 * print-rtl.c: PROTO -> PARAMS.
10783 * real.c: Likewise.
10784 * reg-stack.c: Likewise.
10785 * resource.c: Likewise.
10786 * sdbout.h: Likewise.
10787 * simplify-rtx.c: Likewise.
10788 * stor-layout.c: Likewise.
10789 * stupid.c: Likewise.
10790 * xcoffout.c: Likewise.
10791 * xcoffout.h: Likewise.
10793 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10795 * toplev.c: PROTO -> PARAMS.
10796 * toplev.h: Likewise.
10797 * tree.c: Likewise.
10798 * tree.h: Likewise.
10799 * unroll.c: Likewise.
10800 * varasm.c: Likewise.
10801 * varray.c: Likewise.
10802 * varray.h: Likewise.
10804 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10806 * reload.c: PROTO -> PARAMS.
10807 * reload.h: Likewise.
10808 * reload1.c: Likewise.
10809 * reorg.c: Likewise.
10810 * resource.h: Likewise.
10813 * rtlanal.c: Likewise.
10814 * sbitmap.h: Likewise.
10815 * sdbout.c: Likewise.
10816 * stack.h: Likewise.
10817 * stmt.c: Likewise.
10818 * system.h: Likewise.
10820 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10822 * machmode.h: PROTO -> PARAMS.
10823 * mbchar.h: Likewise.
10824 * mips-tdump.c: Likewise.
10825 * mips-tfile.c: Likewise.
10826 * optabs.c: Likewise.
10827 * output.h: Likewise.
10828 * prefix.c: Likewise.
10829 * profile.c: Likewise.
10830 * protoize.c: Likewise.
10831 * real.h: Likewise.
10832 * recog.c: Likewise.
10833 * recog.h: Likewise.
10834 * regclass.c: Likewise.
10835 * regmove.c: Likewise.
10836 * regs.h: Likewise.
10838 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10840 * ggc-common.c: PROTO -> PARAMS.
10841 * ggc-page.c: Likewise.
10842 * ggc-simple.c: Likewise.
10844 * global.c: Likewise.
10845 * graph.c: Likewise.
10846 * gthr-win32.h: Likewise.
10847 * haifa-sched.c: Likewise.
10848 * halfpic.h: Likewise.
10849 * integrate.c: Likewise.
10850 * integrate.h: Likewise.
10851 * jump.c: Likewise.
10853 * local-alloc.c: Likewise.
10854 * loop.c: Likewise.
10855 * loop.h: Likewise.
10857 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10859 * genattr.c: PROTO -> PARAMS.
10860 * genattrtab.c: Likewise.
10861 * gencheck.c: Likewise.
10862 * gencodes.c: Likewise.
10863 * genconfig.c: Likewise.
10864 * genemit.c: Likewise.
10865 * genextract.c: Likewise.
10866 * genflags.c: Likewise.
10867 * gengenrtl.c: Likewise.
10868 * genopinit.c: Likewise.
10869 * genoutput.c: Likewise.
10870 * genpeep.c: Likewise.
10871 * genrecog.c: Likewise.
10873 2000-01-16 Mark Mitchell <mark@codesourcery.com>
10875 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
10877 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10879 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
10880 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
10881 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
10882 * configure, config.in: Rebuilt.
10884 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
10886 * config/i386/i386.md: Add peephole to merge successive stack
10889 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
10891 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
10892 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
10893 when walking backwards to find all the parameter loads when
10894 the basic block ends in a call.
10896 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10898 * loop.c (this_loop_info): Delete.
10899 (uid_loop): Add in place of uid_loop_num. All uses updated.
10900 (loop_number_exit_count): Delete and replace with entry in loop
10901 structure. All uses updated.
10902 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10903 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10904 (loop_outer_loop): Likewise.
10905 (loop_invalid, loop_number_exit_labels): Likewise.
10906 (loop_used_count_register): Delete and replace with entry in
10907 loop_info structure.
10908 (find_and_verify_loops): Add loops argument.
10909 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
10910 loop_end, etc. arguments with loop structure pointer. All callers
10912 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
10913 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
10914 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
10915 (insert_bct): Likewise.
10916 (basic_induction_var): New argument level.
10917 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
10918 vtop, and cont. Add used_count_register.
10919 (uid_loop): Delete declaration.
10920 (loop_number_exit_count): Likewise.
10921 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10922 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10923 (loop_outer_loop, loop_used_count_register): Likewise.
10924 (loop_invalid, loop_number_exit_labels): Likewise.
10925 (unroll_loop): Replace loop_start and loop_end arguments
10926 with loop structure pointer.
10927 (loop_precondition_p, loop_iterations): Likewise.
10928 Include basic-block.h.
10929 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
10930 with loop structure pointer.
10931 (loop_precondition_p, loop_iterations): Likewise.
10932 * basic-block.h (struct loop): New entries vtop, cont,
10933 cont_dominator, start, end, top, scan_start, exit_labels,
10935 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
10937 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10939 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
10941 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
10943 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
10945 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10947 * pdp11-protos.h: New file.
10949 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
10952 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
10955 * pdp11.md: Likewise.
10957 * 2bsd.h: Likewise.
10959 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10961 * mn10300-protos.h: New file.
10963 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
10966 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
10969 * mn10300.md: Likewise.
10971 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10973 * mn10200-protos.h: New file.
10975 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
10978 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
10981 * mn10200.md: Likewise.
10983 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10985 * h8300-protos.h: New file.
10987 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
10990 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
10993 * h8300.md: Likewise.
10995 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10997 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
10998 (asm_emit_uninitialised): Likewise.
11000 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
11002 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
11003 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
11005 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11007 * config/mips/mips.c (override_options): Don't turn on extra
11008 alignment for mips16.
11010 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11012 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
11013 eabi, and make sure queued POSTINCREMENT rtl is emitted at
11016 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11018 * builtins.c (PAD_VARARGS_DOWN): Define.
11019 (std_expand_builtin_va_arg): Use the above macro.
11020 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
11021 * tm.texi (Register Arguments): Document the above macro.
11023 2000-01-14 Nick Clifton <nickc@cygnus.com>
11025 * emit-rtl.c (emit_insn): If checking is enabled, make sure
11026 that this function has not been used to emit a jump
11029 * jump.c (return_jump_1): Cope with being passed a null rtx.
11031 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11033 * eh-common.h: PROTO -> PARAMS.
11034 * emit-rtl.c: Likewise.
11035 * errors.c: Likewise.
11036 * errors.h: Likewise.
11037 * except.c: Likewise.
11038 * except.h: Likewise.
11039 * explow.c: Likewise.
11040 * expmed.c: Likewise.
11041 * expr.c: Likewise.
11042 * expr.h: Likewise.
11043 * final.c: Likewise.
11044 * fix-header.c: Likewise.
11045 * flow.c: Likewise.
11046 * fold-const.c: Likewise.
11047 * function.c: Likewise.
11048 * function.h: Likewise.
11050 * gcov-io.h: Likewise.
11051 * gcov.c: Likewise.
11052 * gcse.c: Likewise.
11054 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11056 * sh-protos.h: New file.
11058 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
11059 Add static prototypes. Fix compile time warnings.
11061 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
11065 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11067 * arc-protos.h: New file.
11069 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
11072 * arc.h: Move prototypes to arc-protos.h. Fix compile time
11075 * arc.md: Likewise.
11077 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11079 * dsp16xx-protos.h: New file.
11081 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
11084 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
11087 * dsp16xx.md: Likewise.
11089 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11091 * convex-protos.h: New file.
11093 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
11096 * convex.h: Move prototypes to convex-protos.h. Fix compile time
11099 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11101 * elxsi-protos.h: New file.
11103 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
11106 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
11109 * elxsi.md: Likewise.
11111 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11113 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
11114 case for moving from HI/LO/HI_LO_REG. This makes the behavior
11115 match the comment for MIPS16.
11117 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
11119 * flow.c (split_edge): Do not call set_block_for_insn if we
11120 do not have a basic_block_for_insn structure.
11122 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
11123 and destination functions are 32bit aligned within the trampoline.
11124 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
11125 (TRAMPOLINE_ALIGNMENT): Define.
11127 * cse.c (cse_insn): When changing (set (pc) (reg)) to
11128 (set (pc) (label_ref)), verify the change creates a valid insn.
11130 * fr30.c (call_operand): Tighten and rework to match rules for
11131 call RTL expressions.
11132 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
11133 * fr30.md (call patterns): Improve constraints.
11135 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
11137 * fr30.c (fr30_expand_epilogue): Revert last change.
11138 Use emit_jump_insn for the return insn.
11140 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
11141 Stan Cox <scox@cygnus.com>
11143 * predict.c: New file. Preliminary infrastructure work for static
11144 branch prediction and basic block reordering.
11145 * basic-block.h: Add prototype for estimate_probability.
11146 * Makefile.in: Add rules for predict.o.
11148 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
11150 * fixincludes (va_list): Use __not_va_list__ for the dummy.
11151 * fixinc/*: Likewise.
11153 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11155 * cccp.c: PROTO -> PARAMS.
11156 * cexp.y: Likewise.
11157 * collect2.c: Likewise.
11158 * combine.c: Likewise.
11159 * convert.h: Likewise.
11161 * dbxout.c: Likewise.
11162 * dbxout.h: Likewise.
11163 * diagnostic.c: Likewise.
11164 * doprint.c: Likewise.
11165 * dwarf2out.c: Likewise.
11166 * dwarf2out.h: Likewise.
11167 * dwarfout.c: Likewise.
11168 * dwarfout.h: Likewise.
11169 * dyn-string.h: Likewise.
11171 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11173 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
11174 macro conditionals guarding use.
11176 * dwarf2out.c: Include "tm_p.h".
11178 * function.c (locate_and_pad_parm): Mark parameter with
11180 (expand_function_end): Likewise for variable `context'.
11182 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
11184 2000-01-13 Nick Clifton <nickc@cygnus.com>
11186 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
11187 register to prevent compile time warnings.
11189 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
11191 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
11192 to avoid -Wtraditional warning.
11194 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11196 * 1750a-protos.h: New file.
11198 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
11201 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
11204 * 1750a.md: Likewise.
11206 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11208 * a29k-protos.h: New file.
11210 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
11213 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
11216 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11218 * clipper-protos.h: New file.
11220 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
11223 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
11226 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11228 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
11230 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
11232 * configure.in (--enable-new-gxx-abi): New option.
11233 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
11234 * Makefile.in (GXX_ABI_FLAG): New variable.
11235 * configure: Regenerate.
11237 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11239 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
11240 * tm.texi (FORCE_STRUCT_BLK): Document.
11241 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
11243 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
11245 * config/ns32k/ns32k.md: Revert Jan 9 change.
11247 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
11248 to a mode-test, if the predicate is address_operand.
11250 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
11252 * combine.c (if_then_else_cond): Be careful about what kinds
11253 of RTL expressions are passed to operand_subword.
11255 * flow.c (split_edge): If we have to insert a new jump, make
11256 sure to associate it with a basic block.
11258 * flow.c (commit_one_edge_insertion): A block with one successor
11259 can end in a JUMP_INSN that is not a simplejump.
11261 2000-01-12 Robert Lipe <robertl@sco.com>
11263 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
11264 (BUILD_VA_LIST_TYPE): Define.
11265 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
11268 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
11270 * cccp.c (do_pragma): Add cast to (char *).
11272 2000-01-12 Richard Henderson <rth@cygnus.com>
11273 Fred Fish <fnf@be.com>
11274 Jason Merrill <jason@cygnus.com>
11276 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
11277 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
11278 * i386/beos-elf.h, i386/beos-pe.h: New files.
11280 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
11281 * cross-make (SYSTEM_HEADER_DIR): Define using
11282 CROSS_SYSTEM_HEADER_DIR.
11284 * gcc.c (LIBRARY_PATH_ENV): Provide default.
11285 (process_command): Use it.
11286 (main): Likewise. Kill trailing = from env vars.
11287 (build_search_list): Put it back.
11288 * collect2.c (main): Use LIBRARY_PATH_ENV.
11290 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
11291 * toplev.c: Use NEED_DECLARATION_ENVIRON.
11293 * tm.texi (Frame Layout): Document SMALL_STACK.
11294 * c-common.c (c_common_nodes_and_builtins): Check it.
11296 * system.h: Undef alloca after including glibc's <stdlib.h>,
11297 if USE_C_ALLOCA is defined.
11299 * gcc.c (set_input): New fn.
11300 (main): After all input files are compiled, reset the input file
11303 * aclocal.m4 (rindex, index): If already defined, don't attempt
11306 * ginclude/varargs.h: (__va_list__): Define ifndef.
11307 * ginclude/stdarg.h: Likewise.
11309 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
11310 instead of unsigned char.
11312 * hash.h (true, false, boolean): Undef before enum.
11314 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
11315 proper type of "HOST_WIDE_INT *", rather than their natural type of
11316 "unsigned HOST_WIDE_INT *".
11318 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11320 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
11322 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
11324 * regclass.c (choose_hard_reg_mode): Likewise.
11326 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
11328 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
11330 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11332 * c-common.c: PROTO -> PARAMS.
11333 * c-common.h: Likewise.
11334 * c-decl.c: Likewise.
11335 * c-iterate.c: Likewise.
11336 * c-lang.c: Likewise.
11337 * c-lex.c: Likewise.
11338 * c-lex.h: Likewise.
11339 * c-parse.in: Likewise.
11340 * c-pragma.c: Likewise.
11341 * c-pragma.h: Likewise.
11342 * c-tree.h: Likewise.
11343 * c-typeck.c: Likewise.
11344 * objc/objc-act.c: Likewise.
11345 * objc/objc-act.h: Likewise.
11347 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11349 * m88k-protos.h: New file.
11351 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
11354 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
11356 * m88k.md: Likewise.
11358 * tekXD88.h: Likewise.
11360 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11362 * m68k-protos.h: New file.
11364 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
11367 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
11369 * mot3300.h: Likewise.
11371 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
11373 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
11375 (extract_bitlist): Declare bitlen.
11377 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
11379 * cccp.c: Accept and ignore -lang-fortran.
11381 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
11382 qualifiers don't match at any level of pointerness.
11384 2000-01-12 Robert Lipe <robertl@sco.com>
11386 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
11388 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
11390 * reload1.c (reload_reg_unavailable): New static variable.
11391 (reload_reg_free_p): Test it.
11392 (reload_reg_free_for_value_p): Test it instead of
11394 (choose_reload_regs_init): Compute it.
11396 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
11398 * reorg.c (fill_slots_from_thread): Check modified_in_p
11401 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
11403 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
11404 these nodes even if INTERNALS is not set.
11406 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
11408 * gcse.c (delete_null_pointer_checks_1): Cope when
11409 get_condition cannot determine the condition.
11411 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
11413 * toplev.h (set_message_length): Declare.
11415 * diagnostic.c (obstack_chunk_alloc): Define macro.
11416 (obstack_chunk_free): Likewise.
11417 (struct output_buffer): New data structure.
11418 (vmessage): Remove.
11419 (output_maximum_width): New variable.
11420 (doing_line_wrapping, set_message_length, init_output_buffer,
11421 get_output_prefix, output_space_left, emit_output_prefix,
11422 output_newline, output_append, output_puts, dump_output,
11423 vbuild_message_string, build_message_string, build_location_prefix,
11424 voutput_notice, output_printf, line_wrapper_printf,
11425 vline_wrapper_message_with_location): New functions. Implement
11426 automatic line wrapping.
11427 (v_message_with_decl): Make it handle automatic line wrapping.
11428 (v_error_with_file_and_line): Likewise.
11429 (v_warning_with_file_and_line): Likewise.
11430 (announce_function): Likewise.
11431 (default_print_error_function): Likewise.
11433 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
11435 * cpplib.h (struct cpp_options): Change lang_asm to char.
11437 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
11438 done in cpp_handle_option now.
11439 (initialize_builtins): Take out special case code used only by
11441 (cpp_handle_option): Turn off trigraphs and trigraph warnings
11442 if -traditional. Recognize -lang-fortran and set
11443 lang_fortran, also turn off cplusplus_comments.
11444 (print_help): Document -lang-fortran.
11445 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
11446 lang_asm. Ignore all directives other than `# 123 "file"' if
11448 (cpp_get_token): If -traditional, don't recognize directives
11449 unless the # is in column 1.
11450 (parse_string): If lang_fortran or lang_asm, silently
11451 terminate strings ('' or "") at end of line.
11452 Remove unnecessary braces.
11454 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11455 Richard Henderson <rth@cygnus.com>
11457 * resource.c (mark_referenced_resources): Mark a set strict_low_part
11459 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
11460 strict_low_part when possible.
11462 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11464 * alias.c: PROTO -> PARAMS.
11465 * basic-block.h: Likewise.
11466 * bitmap.c: Likewise.
11467 * bitmap.h: Likewise.
11468 * builtins.c: Likewise.
11469 * c-aux-info.c: Likewise.
11470 * caller-save.c: Likewise.
11471 * calls.c: Likewise.
11473 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11475 * Makefile.in (toplev.o): Depend on regs.h.
11477 * output.h (tdesc_section): Prototype.
11479 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
11481 * sdbout.c: Include "tm_p.h".
11483 * toplev.c: Include "regs.h".
11485 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
11487 * unroll.c (unroll_loop): Add EH support.
11489 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11491 * pa-protos.h: New file.
11493 * pa.c: Include recog.h and tm_p.h.
11494 (compute_zdepwi_operands, compute_movstrsi_length,
11495 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
11496 find_addr_reg, import_milli): Add static prototypes.
11497 (pa_cpu_string, pa_arch_string): Constify a char*.
11498 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
11499 (read_only_operand): Add argument `mode'.
11500 (singlemove_string, output_move_double, output_fp_move_double,
11501 output_block_move, output_and, output_ior, output_ascii,
11502 remove_useless_addtr_insns, milli_names, output_mul_insn,
11503 output_div_insn, output_mod_insn, output_arg_descriptor,
11504 output_cbranch, output_bb, output_bvb, output_dbra, ,
11505 output_millicode_call, output_call, hppa_encode_label,
11506 output_parallel_movb, output_parallel_addb): Constify a char*.
11507 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
11508 (output_parallel_addb): Remove extra arg to `constrain_operands'
11510 * pa.h: Move all prototypes to pa-protos.h.
11511 (pa_cpu_string, pa_arch_string): Constify a char*.
11512 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
11514 * pa.md: Call `function_label_operand' with mode argument.
11515 Likewise for `read_only_operand'.
11516 Fix nesting of parens in call to `symbolic_operand'.
11518 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11520 * i860-protos.h: New file.
11522 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
11525 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
11527 * i860.md: Likewise.
11529 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
11531 * i386.md (movstrsi expander): Rewrite.
11532 (movstrsi_1 insn): Deleted.
11533 (strmovhi, strmovqi expander): New expanders.
11534 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
11535 * i386.c (x86_single_stringop): New global variable.
11536 * i386.h (x86_single_stringop): Declare.
11537 (TARGET_SINGLE_STRINGOP): New macro.
11539 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11541 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
11542 integer vararg POSTINCREMENT before the destination of the jump
11543 for the hard fp case.
11544 (function_arg_pass_by_reference): Pass a copy of CUM to
11547 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
11548 for CONSTANT_ADDRESS_P above while loop for subreg.
11550 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11552 * flow.c (propagate_block): When a prologue/epilogue insn
11553 is marked dead, unconditionally clear libcall_is_dead and
11554 insn_is_dead, and only dump rtl if warnings aren't being
11557 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
11559 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
11560 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
11561 (FIXED_REGISTERS): Set dirflag as fixed.
11562 (CALL_USED_REGISTERS): Set dirflag as used.
11563 (REG_ALLOC_ORDER): Set dirflag as last one.
11564 (DIRFLAG_REG): New macro.
11565 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
11566 (HI_REGISTER_NAMES): Add dirflag.
11567 (DEBUF_PRINT_REG): Handle dirflag.
11568 * i386.md (type attribute): New cld and str types.
11569 (length_opcode attribute): Set cld and str to 1.
11570 (memory attribute): Set str to unknown - it is not clear from the
11572 (pent_np function unit): Prefixed string operations takes 12 cycles
11573 minimally; cld takes 2 cycles.
11574 (ppro_uops attribute): Str is "many" and cld is "few".
11575 (ppro_p0 unit): Handle cld here.
11576 (k6_alux unit): Handle cld and str types.
11577 (k6_load unit): It is ocupied by str opcodes.
11578 (k6_store unit): It is ocupied by str opcodes.
11579 (athlon_decode): Str is vector decoded.
11580 (athlon_ieu): Handle str and cld.
11581 (cld pattern): New.
11582 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
11583 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
11584 cmpstrsi_nz_1 insn): Do not output cld instruction
11586 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
11588 * gcc.texi (G++ and GCC): Add Java and Chill.
11589 (Bug Critera): Don't list languages.
11591 * gcc.texi (Incompatibilities): No longer claim most C compilers
11594 * gcc.texi (G++ and GCC): Update other front-ends list.
11596 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
11598 * i386.c (ix86_expand_setcc): Fix typo.
11599 (ix86_expand_movcc): Similarly.
11601 * Band-aid until haifa's bitset implementation is nuked.
11602 * haifa-sched.c (extract_bitlst): New parameter for size of the
11603 bitset in bits. All callers changed. Avoid looking at undefined
11604 bits in the bitset.
11605 (edgeset_bitsize): New variable.
11606 (schedule_region): Initialize edgeset_bitsize.
11608 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11610 * Makefile.in (optabs.o): Depend on real.h
11611 (resource.o): Depend on insn-attr.h
11613 * builtins.c (result_vector): Wrap prototype in macro conditions
11614 governing definition and use.
11616 * c-common.c: Include tm_p.h.
11618 * c-lex.c: Likewise.
11620 * elfos.h: Constify a char*.
11622 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
11623 (get_attr_length, shorten_branches, profile_after_prologue): Mark
11624 parameter with ATTRIBUTE_UNUSED.
11626 * fold-const.c (exact_real_inverse): Wrap variable `i' in
11629 * haifa-sched.c (schedule_insns): Mark parameter with
11632 * optabs.c: Include real.h.
11634 * real.h (ereal_atof): Add prototype arguments.
11636 * resource.c: Include insn-attr.h.
11638 * sdbout.c (sdbout_queue_anonymous_type,
11639 sdbout_dequeue_anonymous_types): Wrap in macro
11640 SDB_ALLOW_FORWARD_REFERENCES.
11641 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
11644 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
11646 * stupid.c: Include tm_p.h.
11648 * tree.c (real_value_from_int_cst): Mark parameter with
11651 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11653 * i960-protos.h: New file.
11655 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
11658 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
11660 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11662 * combine.c (expand_field_assignment): Do not discard SUBREGs
11663 while computing nonzero_bits.
11665 2000-01-09 Nick Clifton <nickc@cygnus.com>
11667 * config/arm/arm.c: Fix compile time warnings about signed vs
11668 unsigned constants.
11669 * config/arm/arm.h: Fix compile time warnings about signed vs
11670 unsigned constants.
11672 2000-01-09 Philip Blundell <philb@gnu.org>
11674 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
11675 than `ldm' with only one register.
11676 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
11679 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
11682 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
11684 * config/ns32k/ns32k.md (load or push effective address): Operand 1
11687 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11689 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
11690 assignment used as truth value.
11692 * function.c (assign_temp): Mark parameter `dont_promote' with
11693 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
11694 PROMOTE_FOR_CALL_ONLY.
11696 * genrecog.c (write_subroutine): Mark variable `operands' with
11699 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
11702 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
11703 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
11705 * toplev.c (note_deferral_of_defined_inline_function): Likewise
11708 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11710 * config/c4x.h: Tidy up comments.
11711 * config/c4x.c: Likewise.
11713 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
11715 * fold-const.c (lshift_double, rshift_double): Handle
11716 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
11718 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11720 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
11721 in prepare_function_start().
11723 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
11725 * config/v850/v850.c (expand_epilogue): Interrupt functions no
11726 longer allocate extra stack for function calls.
11728 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11730 * config/c4x/c4x.md (*subqf3_set): Fix typo.
11732 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11734 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
11736 2000-01-07 David Edelsohn <edelsohn@gnu.org>
11738 * rs6000.c (processor_target_table): Add power3 as alias for 630.
11739 * aix43.h: Revert Aug 2 change.
11740 (HAS_INIT_SECTION): Define, not visible yet.
11741 (LD_INIT_SWITCH): Define, not visible yet.
11742 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
11744 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
11746 * collect2.c (main): Expand ld2 size further.
11747 (export_object_lst): Cast assignment to avoid warning.
11748 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
11749 (scan_prog_file, COFF): Do not collect initialization or
11750 finalization functions generated for entire shared object if
11751 init/fini support present.
11753 2000-01-07 Nick Clifton <nickc@cygnus.com>
11755 * config/elfos.h: Tidy up formatting of marcos. Make sure
11756 that .section directives are always prefixed by a tab.
11758 * config/svr4.h: Add #include "elfos.h" and remove duplicate
11761 2000-01-07 Matt Austern <austern@sgi.com>
11763 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
11766 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
11768 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
11770 (crtbegin.o, s-crtS): Likewise.
11772 2000-01-06 Richard Henderson <rth@cygnus.com>
11774 * alpha.md (adddi_2+1): Limit offset such that it will be
11775 loadable with a single ldah+lda pair.
11776 (adddi_2+2): Explicitly fail split if we can't make it work.
11778 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
11780 * protoize.c: Conditionally include unistd.h.
11781 (IS_SAME_PATH_CHAR): New macro.
11782 (IS_SAME_PATH): New macro.
11783 (CPLUS_FILE_SUFFIX): New macro.
11784 (cplus_suffix): New static variable.
11785 (is_abspath): New static function.
11786 (in_system_include_dir): Handle DOS style pathnames.
11787 (file_could_be_converted): Likewise.
11788 (file_normally_convertible): Likewise.
11789 (directory_specified_p): Likewise.
11790 (file_excluded_p): Likewise.
11791 (abspath): Likewise.
11792 (shortpath): Likewise.
11793 (referenced_file_is_newer): Likewise.
11794 (save_def_or_dec): Likewise.
11795 (do_processing): Likewise.
11797 (edit_file): Likewise. Use rename instead of link.
11798 (rename_c_file): Likewise. Don't rename syscalls file.
11799 (munge_compile_params): Define null device for DOS based systems.
11800 (process_aux_info_file): Use binary mode if appliable.
11801 (edit_file): Likewise.
11802 * invoke.texi (Running Protoize): Document C++ suffixes used.
11804 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
11805 IS_DIR_SEPARATOR macros.
11806 * collect2.c: Likewise.
11807 * cppinit.c: Likewise.
11808 * dwarf2out.c: Likewise.
11810 * gcov.c: Likewise.
11811 * prefix.c: Likewise.
11813 * toplev.c: Likewise.
11814 * system.h: And move to here.
11816 * prefix.c (update_path): Fix typo in variable name.
11818 2000-01-06 Richard Henderson <rth@cygnus.com>
11820 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
11821 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
11822 (count_reg_sets_1, count_reg_references): Likewise.
11823 (flow_loops_level_compute): Start counting actual loop depth at 1.
11824 (flow_loops_find): Likewise.
11825 * local-alloc.c (update_equiv_regs): Likewise.
11826 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
11828 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11830 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
11831 FIRST_PSEUDO_REGISTER
11832 * dwarf2out.c: Don't include frame.h
11833 * dwarfout.c: Likewise
11834 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
11837 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
11839 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
11842 * i386.c (movsf splitter): Fix typo in my last checkin.
11844 2000-01-05 Nick Clifton <nickc@cygnus.com>
11846 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
11847 own definition of this macro.
11848 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
11849 flag_data_sections or UNIQUE_SECTION_P are true.
11851 * tm.texi (UNIQUE_SECTION): Document that it can be called for
11852 unitialised data decls.
11854 * config/i386/winnt.c (i386_pe_unique_section): Cope with
11855 being called for uninitialised data.
11857 * config/i386/interix.c (i386_pe_unique_section): Cope with
11858 being called for uninitialised data.
11860 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
11861 for uninitialised data.
11863 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
11864 for uninitialised data.
11866 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
11867 for uninitialised data.
11869 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
11870 (UNIQUE_SECTION_P): Always generate a unique section if
11871 flag_data_sections is true.
11872 (UNIQUE_SECTION): Also generate unique sections for
11873 uninitialised data.
11874 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
11875 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
11878 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11880 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
11883 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11885 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
11886 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
11887 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
11888 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
11889 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
11891 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
11893 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
11895 * c-decl.c (finish_enum): Simplify code to determine minimum and
11896 maximum values of the enum, and calculate the type. Remove check
11897 for FUNCTION_DECLs in the values list, which cannot happen. Replace
11898 the DECL_INITIAL of each enumeration constant with a copy converted
11899 to the enumeration type. When updating variant types, don't bother
11900 updating the type itself.
11902 * c-typeck.c (build_binary_op): Simplify conditional expressions
11903 when weeding out spurious signed-unsigned warnings. Add new
11904 spurious warning category: if the unsigned quantity is an enum
11905 and its maximum value fits in signed_type(result_type). Update
11907 (build_conditional_expr): Warn here if one alternative is signed
11908 and the other is unsigned.
11910 2000-01-05 Nick Clifton <nickc@cygnus.com>
11912 * config/fr30/fr30.h: Remove extraneous comments.
11914 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
11916 * reload1.c (choose_reload_regs): When disabling a reload, also
11917 set reload_spill_index to -1.
11919 2000-01-04 Joel Sherrill (joel@OARcorp.com>
11921 * configure.in (m68*-*-rtemscoff*): New target, formal name for
11923 (m68*-*-rtemself*): New target.
11924 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
11925 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
11926 (sparc*-*-rtemself*): New target.
11927 (sparc*-*-rtems*): Now elf not a.out.
11928 * config/i386/rtems.h: Include config/rtems.h.
11929 * config/i386/rtemself.h: Include config/rtems.h.
11930 * config/i960/rtems.h: Include config/rtems.h.
11931 * config/m68k/rtems.h: Include config/rtems.h.
11932 * config/m68k/rtemself.h: Include config/rtems.h.
11933 * config/mips/rtems64.h: Include config/rtems.h.
11934 * config/pa/rtems.h: Include config/rtems.h.
11935 * config/rs6000/rtems.h: Include config/rtems.h.
11936 * config/sh/rtems.h: Include config/rtems.h.
11937 * config/sh/rtemself.h: Include config/rtems.h.
11938 * config/sparc/rtems.h: Include config/rtems.h.
11939 * config/sparc/rtemself.h: Include config/rtems.h
11941 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
11943 * final.c (shorten_branches): Correctly compute length of
11944 asms without operands.
11946 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
11948 * configure.in: Add pj target.
11949 * configure: Regenerate.
11950 * config/pj: New directory.
11951 * config/pj/lib1funcs.S: New file.
11952 * config/pj/linux.h: New file.
11953 * config/pj/pj.c: New file.
11954 * config/pj/pj.md: New file.
11955 * config/pj/pjl.h: New file.
11956 * config/pj/t-pj: New file.
11957 * config/pj/xm-pj.h: New file
11959 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
11961 * toplev.c (rest_of_compilation): Run shorten-branches before
11964 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11966 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
11967 macros so that they're consistent with their names.
11968 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11969 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11971 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11973 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
11974 modified inadvertently.
11976 2000-01-04 Joel Sherrill <joel@OARcorp.com>
11978 * configure.in (v850*-*-rtems*): New target.
11979 * configure: Regenerate.
11980 * config/v850/rtems.h: New file.
11982 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
11984 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
11985 (__gthread_key_create): Likewise.
11986 (__gthread_key_dtor): Likewise.
11987 (__gthread_once): Fix logic.
11988 (__gthread_key_delete): Cast away constness.
11990 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
11991 * invoke.texi: Document.
11992 * i386/mingw32.h (CPP_SPEC): Use.
11993 (LIBGCC_SPEC): Likewise.
11994 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
11996 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11998 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
11999 (HANDLE_PRAGMA_PACK): Undefine.
12000 (SLOW_UNALIGNED_ACCESS): Define.
12002 2000-01-04 David Edelsohn <edelsohn@gnu.org>
12004 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
12005 to default definition.
12006 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
12007 (store_fixed_bit_field): Call macro with word_mode and alignment.
12008 (extract_bit_field): Call macro with relevant mode and alignment.
12009 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
12010 to default definition.
12011 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
12013 (move_by_pieces_ninsns): Likewise.
12014 (clear_by_pieces): Likewise.
12015 (emit_push_insn): Likewise.
12016 (store_field): Call macro with relevant mode and alignment.
12017 (expand_expr): Likewise.
12018 (expand_expr_unaligned): Likewise.
12020 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
12021 (SLOW_UNALIGNED_ACCESS): Define.
12022 (CASE_VECTOR_MODE): Always use 32-bit offsets.
12023 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
12024 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
12025 (toc_section): Likewise and .toc pseudo-op.
12026 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
12028 (TEXT_SECTION_ASM_OP): Likewise.
12029 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
12032 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
12033 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
12034 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
12035 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
12036 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
12038 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
12040 * regclass.c: Revert my Jan 4 change to loop cost computation.
12042 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12044 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
12047 2000-01-04 Stan Cox <scox@cygnus.com>
12049 * haifa-sched.c (build_control_flow): Change unreachable simple
12050 loop test to check if current block has only one predecessor.
12051 (find_rgns): Initialize degree. Use dest as degree index, not src.
12053 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12055 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
12057 * calls.c (expand_call): Likewise for
12058 `old_stack_arg_under_construction'.
12060 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
12062 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
12065 * gcc.c (execute): Likewise for `ut' and `st'.
12067 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
12069 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
12071 * jump.c (jump_optimize_1): Likewise for `temp2'.
12073 * local-alloc.c (block_alloc): Likewise for `r1'.
12075 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
12077 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
12078 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
12080 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
12083 * reload.c (find_reloads): Likewise for `goal_alternative_number'
12084 and `goal_earlyclobber'.
12086 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
12088 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
12090 * stupid.c (stupid_life_analysis): Likewise for `chain'.
12092 * unroll.c (copy_loop_body): Likewise for `copy'.
12094 * varasm.c (output_constructor): Likewise for `byte'.
12096 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12098 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
12099 all FP constants for constant->reg moves.
12100 (ix86_split_to_parts): Try to convert memory address into immediate
12101 when available in the constant pool.
12102 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
12104 (LEGITIMATE_CONSTANT_P): Return 1.
12105 * i386.md (pushsf): New splitter to convert constant pool memory
12106 reference to immediate.
12107 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
12110 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
12112 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
12113 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
12114 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
12115 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
12116 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
12118 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
12120 * ginclude/stdbool.h: Support compilation as C++.
12122 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12124 * fold-const.c (make_range): Don't try to reverse an unbounded range.
12126 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
12128 * regclass.c (regclass): Properly compute loop_cost. Adjust
12131 * regclass.c: Fix minor whitespace problems.
12133 2000-01-03 Anthony Green <green@cygnus.com>
12135 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
12136 Restore the pic register if required.
12138 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
12140 * c-common.c (format_char_info): Update comment.
12141 (check_format_info): Recognize 'z' modifier in the same way 'Z'
12142 was recognized. Emit warning for formats new in ISO C99 only
12143 if flag_isoc9x is not set.
12145 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
12147 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
12149 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12151 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
12152 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
12153 (make_compound_operation): Choose cheaper alternative between
12154 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
12156 * regclass.c (op_costs): Remove global variable.
12157 (record_reg_classes): New parameter "op_costs" and "reg_pref".
12158 (record_operand_costs): Break out from ...
12159 (scan_one_insn): ... here.
12160 (dump_regclass): Make dumps nicer.
12161 (regclass): Dump preferrences choosed and changes done during passes.
12163 2000-01-03 Jakub Jelinek <jakub@redhat.com>
12165 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
12167 2000-01-03 Jakub Jelinek <jakub@redhat.com>
12169 * config/sparc/sparc.c (gen_df_reg): New function.
12170 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
12171 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
12172 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
12173 movtf_cc_reg_sp64+1): Use it.
12175 2000-01-02 Mark Mitchell <mark@codesourcery.com>
12177 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
12178 copied LABEL_DECLs.
12180 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
12182 * config/i386/i386.c (ix86_expand_unary_operator): Function
12183 definition made void.
12184 (ix86_expand_binary_operator): Update outdated preceding comment.
12185 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
12188 * config/i386/i386.c (override_options): Fix option-name typo.
12190 2000-01-02 Mark Mitchell <mark@codesourcery.com>
12192 * system.h (CEIL): Define.
12193 * builtins.c (CEIL): Remove.
12194 * expmed.c (CEIL): Likewise.
12195 * expr.c (CEIL): Likewise.
12196 * stor-layout.c (CEIL): Likewise.
12198 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12200 * expr.c (store_constructor_field): Fix typo introduced with last
12203 2000-01-01 Mark Mitchell <mark@codesourcery.com>
12205 * tree.h (BINFO_N_BASETYPES): New macro.
12207 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
12209 * expmed.c (emit_store_flag): Prevent losing a pending stack
12210 adjust the same way we prevent losing queued increments.
12212 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12214 * function.c (update_temp_slot_address): Handle case where sum of
12215 temporary address plus offset in register is a valid address.
12217 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12219 * genrecog.c (change_state) Corrected typo.
12221 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12223 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
12224 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
12225 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
12227 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
12229 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
12230 case, expand GT comparisons correctly. Fix a comment before this
12233 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
12235 * dwarfout.c: Include "frame.h"
12236 * dwarf2out.c: Likewise.
12237 * Makefile.in (dwarfout.o): Depend on frame.h
12238 (dwarf2out.o): Likewise.
12240 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
12242 Restore i386 binary compatibility in Dwarf EH info.
12243 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
12244 value of FIRST_PSEUDO_REGISTER.
12245 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
12246 (struct frame_state): Use DWARF_FRAME_REGISTERS.
12247 * dwarfout.c (output_reg_number): Ditto.
12248 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
12249 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
12251 1999-12-29 Bruce Korb <autogen@linuxbox.com>
12253 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
12254 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
12255 (<hack>_RE_CT): not needed
12256 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
12257 rewritten to scan the file text once only
12258 "template<..." test added
12259 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
12260 (is_cxx_header): declaration added
12261 * fixinc/fixtests.c(is_cxx_header): removed
12262 (apply_fix_p_t): removed
12263 (double_slash_test): is_cxx_header is only called once now
12264 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
12265 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
12266 within the templates.
12267 The borken spelling of "broken" was fixed.
12268 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
12269 The default level depends on FIXINC_DEBUG.
12271 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12273 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
12274 Otherwise provide a declaration for atexit.
12275 (init_dummy): Make sure dummy call to atexit is nevertheless
12276 called with correct number of args.
12278 * frame.c: Update comments referring to other files.
12280 * libgcc2.c: Likewise.
12282 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12284 * cse.c (free_element, get_element): Remove unused prototypes.
12286 * fold-const.c (extract_muldiv): Initialize variables `op0' and
12289 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
12292 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
12294 * configure.in,configure: case arm for mn10200-*-* now sets
12295 float_format=i32 so that float.h will correctly claim "double"
12296 to be 32 bits. Ran autoconf to generate configure from .in file.
12298 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
12300 * pa.md (conditional zero): If op1 is a register, force it into
12301 the same register as op0.
12303 1999-12-28 Mark Mitchell <mark@codesourcery.com>
12305 * tree.h (BINFO_BASETYPES): Improve documentation.
12307 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12309 * configure.in (--enable-checking): Use a more portable `for'
12312 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12314 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
12315 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
12317 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
12320 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
12321 Delete descriptions.
12323 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
12324 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
12325 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
12326 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
12327 xm-svr4.h: Remove all instances of sys_siglist handling.
12329 1999-12-27 Jakub Jelinek <jakub@redhat.com>
12331 * config/sparc/sparc.md (cmp_zero_qi,
12332 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
12333 cmp_zero_extendqidi2_andcc_set): New patterns.
12335 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
12337 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
12338 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
12339 (fpgnulib.c, xfgnulib.c): Add rules.
12340 * m68k/t-mot3300-gas: Likewise.
12342 1999-12-27 Ian Lance Taylor <ian@zembu.com>
12344 * configure.in: Avoid [[ by using test and changequote. Add
12345 changequote required by 1999-12-14 change.
12346 * configure: Rebuild.
12348 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
12350 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
12352 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
12354 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
12355 * flow.c (find_use_as_address): Likewise.
12356 * function.c (fixup_var_refs_1): Likewise.
12357 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
12358 * jump.c (invert_exp, redirect_exp): Likewise.
12359 * loop.c (replace_call_address): Likewise.
12360 (count_nonfixed_reads): Likewise.
12361 * rtlanal.c (modified_between_p): Likewise.
12362 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
12363 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
12364 * unroll.c (remap_split_bivs): Likewise.
12366 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12368 * diagnostic.c (v_message_with_decl): Use .* format specifier
12369 instead of building the format specifier width manually.
12371 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
12372 determining whether to provide a prototype. Remove the
12373 sys_siglist clause in the conditional.
12375 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12377 * fold-const.c (operand_equal_p): Use memcmp to compare string
12379 Suggested by D. J. Bernstein
12381 1999-12-17 Jakub Jelinek <jakub@redhat.com>
12383 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
12384 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
12386 * config/mips/mips.h (TARGET_64BIT): Likewise.
12387 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
12388 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
12389 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
12390 dsps. Give routines proper names if SI/DI modes are not used.
12391 * longlong.h: Use DWunion instead of DIunion.
12393 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
12395 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
12396 GC_CHECKING, GC_ALWAYS_COLLECT.
12397 * configure.in: Allow --enable-checking with an argument
12398 listing check modes to enable.
12399 * config.in, configure: Rebuilt.
12400 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
12401 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
12402 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
12403 ENABLE_GC_ALWAYS_COLLECT.
12404 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
12406 * tree.h, tree.c: Change ENABLE_CHECKING to
12407 ENABLE_TREE_CHECKING throughout.
12409 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12411 * fold-const.c (fold_truthop): Properly check for FP RHS.
12413 1999-12-24 Mark Mitchell <mark@codesourcery.com>
12415 * toplev.h (note_deferall_of_defined_inline_function): Declare.
12416 * toplev.c (note_deferral_of_defined_inline_function): New
12417 function, split out from ...
12418 (rest_of_compilation): ... here. Use it.
12420 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12422 * expr.c (store_constructor): Don't call clear_storage if size is
12425 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12427 * Makefile.in (toplev.o): Depend on loop.h.
12429 * dwarfout.c: Include tm_p.h.
12431 * emit-rtl.c (restore_emit_status): Mark parameter with
12434 * final.c (final_scan_insn): Likewise.
12436 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
12437 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
12438 flow_depth_first_order_compute, flow_loop_pre_header_find,
12439 flow_loop_tree_node_add, flow_loops_tree_build,
12440 flow_loop_level_compute, flow_loops_level_compute,
12441 flow_loop_outside_edge_p): Add prototypes.
12442 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
12444 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
12445 Mark with ATTRIBUTE_NORETURN.
12447 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
12449 * local-alloc.c (no_conflict_p): Likewise.
12451 * loop.c (insert_bct): Hide definitions of variables with hidden
12453 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
12455 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
12456 with ATTRIBUTE_UNUSED.
12457 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
12458 (reg_scan): Likewise.
12460 * reload.c (find_reloads): Remove unused variables `changed'.
12462 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
12464 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
12465 Remove unused variable `insn'.
12467 * toplev.c: Include loop.h.
12468 (report_file_and_line): Remove unnecessary prototype.
12470 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
12472 * unroll.c (biv_total_increment): Likewise.
12474 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12476 * reload1.c (emit_input_reload_insns): Restore old behaviour
12477 wrt. 'special' reloads.
12479 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
12481 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
12482 hash.h. (cse.c): Don't depend on hashtab.h.
12484 * cse.c: Don't include hashtab.h.
12485 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
12487 * ggc-simple.c: Don't include hash.h.
12489 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
12491 * dwarf2out.c (add_abstract_origin_attribute): Call
12492 gen_abstract_function on our function context.
12494 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
12496 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
12498 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12500 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
12503 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12505 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
12506 constraints to "a!r".
12508 1999-12-21 Mark Mitchell <mark@codesourcery.com>
12510 * Makefile.in (calls.o): Depend on function.h.
12511 (alias.o): Likewise.
12513 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
12515 * reload1.c (emit_reload_insns): Break out code and variables into...
12516 (input_reload_insns, other_input_address_reload_insns,
12517 other_input_reload_insns, input_address_reload_insns,
12518 inpaddr_address_reload_insns, output_reload_insns,
12519 output_address_reload_insns, outaddr_address_reload_insns,
12520 operand_reload_insns, other_operand_reload_insns,
12521 other_output_reload_insns): ... new static variables, and...
12522 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
12523 do_output_reload): ... new functions.
12525 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12527 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
12529 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12531 * md.texi: Add c4x constraints documentation.
12533 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12535 * config/i386/dgux.c (struct option): Rename to
12536 lang_independent_option.
12537 (struct m_options): Add description field.
12538 (output_options): Rename option type, add sep declaration, output
12539 ix86_cpu_string and ix86_arch_string only if set.
12540 (output_file_start): Rename option type.
12542 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
12544 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
12546 (libgcc2.a): Similarly.
12548 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
12550 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
12551 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
12552 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
12554 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
12556 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
12557 Remove redundant initialization of "frexpon" and "expon".
12559 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12561 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
12563 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
12564 (store_constructor_field, expand_expr): Pass new arg.
12566 1999-12-20 Mark Mitchell <mark@codesourcery.com>
12568 * Makefile.in (explow.o): Depend on function.h.
12570 * stor-layout.c (set_sizetype): Fix typo.
12572 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
12574 * function.c (cfun): Renamed from current_function. All users
12576 * function.h (cfun): Rename declaration as well.
12578 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
12579 to be of type regset_head, not regset. All users changed by adding
12581 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
12583 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12585 * config/c4x/rtems.h: New file.
12587 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
12589 * reload1.c (spill_failure): Take class of failed reload as argument
12590 and print it. Caller changed.
12592 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12594 * rs6000.h (SUBTARGET_DEFAULT): New macro.
12595 (TARGET_SWITCHES): Allow subtargets to default switches.
12596 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
12598 1999-12-18 Mark Mitchell <mark@codesourcery.com>
12600 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
12603 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
12605 * cccp.c (main): Define __STDC_VERSION__ as necessary.
12606 * cppinit.c (cpp_handle_option): Likewise.
12608 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
12609 determine when to define.
12611 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
12613 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
12614 cmove with mismatched test and data modes.
12616 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
12618 * c-typeck.c (c_expand_start_case): Don't warn for long switch
12621 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12623 * alias.c: Minor reformatting.
12624 * flow.c: Likewise.
12625 * regs.h: Likewise.
12626 * stor-layout.c: Likewise.
12627 * fold-const.c: Likewise.
12628 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
12629 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
12631 (size_int_wide): Cache nodes even if garbage collecting.
12632 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
12633 of SAVE_EXPR has no side effects.
12634 * cse.c: Move a comment.
12635 * tree.c: Minor reformatting.
12636 (int_size_in_bytes): Return -1 if constant overflows.
12638 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12640 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
12642 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
12644 * objc/objc-parse.c: Regenerate. This file must be rebuilt
12645 after any change to c-parse.in, even if objc-parse.y didn't
12648 1999-12-18 David S. Miller <davem@redhat.com>
12650 * toplev.c (rest_of_compilation): Restore BLOCK tree
12651 reconstruction and branch shortening changes lost in
12652 December 18th change.
12654 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
12656 * config/arm/linux-elf.h: Change all instances of
12657 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
12658 * config/arm/uclinux-elf.h: Likewise.
12660 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
12662 * toplev.c (notice, vmessage, v_message_with_file_and_line,
12663 v_message_with_decl, file_and_line_for_asm,
12664 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
12665 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
12666 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
12667 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
12668 pfatal_with_name, fatal_io_error, need_error_newline,
12669 last_error_function, last_error_tick, announce_function,
12670 default_print_error_function, print_error_function,
12671 report_error_function, fnotice, error_with_file_and_line,
12672 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
12673 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
12674 warning_with_decl, warning_for_asm, warning, pedwarn,
12675 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
12677 (compile_file): Use fnotice instead of notice. Adjust call.
12679 * diagnostic.c: New file.
12681 * Makefile.in (OBJS): Include diagnostic.o
12682 (diagnostic.o): Define dependence.
12684 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12686 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
12689 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12691 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
12693 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
12695 * fixtests.c (is_cxx_header): New fn, split out of
12697 (else_endif_label): Allow "#endif // comment" in C++ headers,
12698 as determined by is_cxx_header.
12699 * fixfixes.c (else_endif_label_fix): Update comment.
12700 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
12702 * genfixes: Correct double thinko in commandline parsing.
12703 * hackshell.tpl: Generate correct sh syntax for bypass
12706 * inclhack.def (all): Whenever an inserted preprocessor
12707 conditional is split over multiple lines, use double
12708 backslashes in this file so the fixed header will be readable.
12710 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
12711 and add bypass entry for correct version of this header.
12712 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
12713 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
12715 (hpux8_bogus_inlines): New fix, split from...
12716 (ultrix_atof_param) ... here.
12717 (math_expression): Add bypass entry keyed to glibc comment
12718 indicating the problem has been dealt with; disable
12719 unnecessary sed operations; update commentary.
12720 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
12721 add select and bypass entries, simplify shell operation.
12722 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
12724 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
12725 ultrix_atof_param): Add select entry.
12726 (stdio_va_list, sunos_mather_decl): Add bypass entry.
12727 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
12728 comments with the fixes they describe.
12730 * c-parse.in (string action): Do not warn about ANSI string
12731 concatenation in system headers. Affects C parser only.
12732 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
12734 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12736 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
12737 compiling libgcc2 the macro depends always on arch cpp defines.
12739 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
12741 * loop.c (insert_loop_mem): Don't record MEMs from inside
12744 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
12746 * regclass.c (regclass): Do not use flowgraph when not optimizing.
12748 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
12749 notes too, create one when replacement failed, attempt to simplify
12751 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
12752 or REG_EQUIV notes.
12754 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12756 * crtstuff.c (__dso_handle): Declare.
12757 (__cxa_finalize): Likewise.
12758 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
12761 * invoke.texi: Document -fuse-cxa-atexit.
12763 * tree.h (ptr_type_node): Document.
12764 (const_ptr_type_node): Likewise.
12766 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12768 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
12769 (optimize_reg_copy_2): Likewise.
12770 (optimize_reg_copy_3): Likewise.
12771 (fixup_match_2): Likewise.
12772 (regmove_optimize): Likewise.
12773 (fixup_match_1): Liekwise.
12775 * i386.md (HI to SImode promoting splitters): Rewrite.
12776 (pushsf mem peep2): New.
12777 (testhi to andhi peep2): Remove.
12778 * i386.h (x86_promote_QImode): New.
12779 (TARGET_PROMOTE_QImode): New.
12780 (PREDICATE_CODES): Add promotable_binary_operator.
12781 * i386.c (x86_promote_QImode0: New.
12782 (promotable_binary_operator): New.
12783 * i386-protos.h (promotable_binary_operator): New.
12785 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
12787 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
12789 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12791 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
12792 * function.c (insert_block_after_note): Remove.
12793 (retrofit_block): Likewise.
12794 (identify_blocks): Fix indentation.
12795 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
12796 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
12797 * function.h (insert_block_after_note): Remove prototype.
12798 (retrofit_block): Likewise.
12799 * integrate.c (expand_inline_function): Don't call
12800 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
12801 just expand_start_bindings. Use the block_map to remap old
12802 NOTE_BLOCKs to new ones.
12803 (integrate_decl_tree): Keep track of remapped blocks.
12804 * integrate.h (struct inline_remap): Add block_map.
12805 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
12806 NOTE_BLOCK on the notes.
12807 (expand_start_bindings): Rename to ...
12808 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
12809 (expand_end_bindings): Set NOTE_BLOCK.
12810 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
12811 reconstruct the BLOCK tree.
12812 * tree.h (expand_start_bindings): Macroize. Call ...
12813 (expand_start_bindings_and_block): New function.
12815 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12817 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
12818 to match the format.
12820 1999-12-16 David S. Miller <davem@redhat.com>
12822 * expr.c (emit_move_insn_1): Only emit clobbers if one of
12823 the outputs is a SUBREG.
12824 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
12827 * config/sparc/sparc.c (epilogue_renumber): Add default case
12830 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12832 * toplev.c (rest_of_compilation): Run branch shortening after
12835 * regclass.c (loop_depth): Remove
12836 (scan_one_insn): Do not handle LOOP_NOTE insns.
12837 (regclass): Go through basic blocks and set loop_cost
12839 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
12841 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
12843 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12845 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
12846 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
12847 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
12849 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
12851 * loop.c (insert_loop_mem): Ignore memory clobbers.
12853 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
12856 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
12858 * profile.c: Remove redundant #include "output.h".
12860 * h8300.md (HImode preinc peephole): Fix typo.
12862 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12864 * function.c (retrofit_block): Abort if we don't find a suitable insn.
12865 (insert_block_after_note): Abort if we don't have a previous block.
12866 Remove FN parameter.
12867 * function.h: Adjust.
12869 1999-12-15 Mark Mitchell <mark@codesourcery.com>
12871 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
12872 argument more than once.
12874 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12876 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
12878 1999-12-15 Jakub Jelinek <jakub@redhat.com>
12880 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
12882 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12884 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
12885 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
12886 update stack_alignment_needed.
12887 (prepare_function_start): Initialize stack_alignment_needed
12888 * function.h (struct function): Add field stack_alignment_needed.
12890 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12892 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
12893 Handle live_throughout / dead_or_set instead of live_before /
12895 (save_call_clobbered_regs): Get register livenessinformation from
12896 chain->live_throughout.
12897 (add_stored_regs): New function.
12898 (insert_restore, insert_save): Add restored / saved registers to
12900 * global.c (reg_dies): New parameter chain.
12901 (reg_becomes_live): Third parameter is regs_set now.
12902 Changed all callers.
12903 (reg_dies): New parameter chain. Changed all callers.
12904 (build_insn_chain): Set live_throughout instead of
12905 live_before / live_after.
12906 * reload.h (struct insn_chain): Replace members live_before /
12907 live_after with live_throughout / dead_or_set.
12908 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
12909 instead of live_before / live_after.
12910 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
12911 (order_regs_for_reload, find_reg, finish_spills): Likewise.
12912 (choose_reload_regs_init): Likewise.
12913 * stupid.c (current_chain, find_clobbered_regs): Delete.
12914 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
12915 instead of chain->live_before / chain->live_after.
12916 (mark_hard_ref): New function.
12917 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
12919 1999-12-15 David S. Miller <davem@redhat.com>
12921 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
12923 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12925 * flow.c (calculate_loop_depth): Make global, remove prototype,
12926 rewrite to use new loop infrastructure.
12927 (find_basic_block): Remove calculate_loop_depth call.
12928 * toplev.c (rest_of_compilation): Call find_basic_block.
12929 * output.h (calculate_loop_depth): Declare.
12931 * flow.c (dump_flow_info): Dump loop_depth.
12932 (flow_loops_nodes_find): Increase loop_depth for basic block in the
12934 (flow_loops_find): Initialize the loop_depth for each basic block.
12936 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12938 * tree.c (decl_function_context): Handle virtual functions.
12940 * tlink.c (scan_linker_output): Don't look in demangled name when
12941 looking for linker output keywords.
12943 * dwarfout.c (output_type): We can defer namespace-scope classes.
12945 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
12947 * regclass.c (record_reg_classes): Update comment for merging
12948 register class preferences in reg->reg copies. Tighten conditions
12949 for merging register class preferences in reg->reg copies.
12951 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
12953 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
12955 1999-12-14 Geoff Keating <geoffk@cygnus.com>
12957 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
12958 (INIT_SECTION_ASM_OP): Delete.
12959 (FINI_SECTION_ASM_OP): Delete.
12960 (STARTFILE_SPEC): Define to hold just crtbegin.o.
12962 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
12964 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
12965 the abstract origin wasn't emitted.
12967 * dwarf2out.c (class_scope_p): New fn.
12968 (gen_subprogram_die): Use it.
12969 (gen_variable_die): Use it. Tweak logic.
12970 (gen_struct_or_union_type_die): Check context_die to determine
12971 if we're function-local.
12972 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
12974 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12976 * loop.c (check_dbra_loop): Can't reverse a biv that has
12977 maybe_multiple set.
12979 1999-12-14 Nick Clifton <nickc@cygnus.com>
12981 * config/arm/arm.c: Add support for -mcpu=arm720 command line
12984 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12986 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
12987 for givs made from biv increments.
12989 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
12991 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
12992 * alpha.c (override_options): Recognize -mcpu=ev67.
12993 * alpha.h (CPP_CPU_EV67_SPEC): New.
12994 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
12995 (EXTRA_SPECS): Update.
12997 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
12999 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
13000 appropriate for -lang-c89 and -std=*.
13001 * cppinit.c (cpp_handle_option): Likewise.
13002 (new_pending_define): New, split out from cpp_handle_option.
13003 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
13004 or enable trigraphs for -ansi/-std=*.
13006 * ginclude/stdarg.h (__va_copy): New.
13007 (va_copy): Don't define for C89.
13009 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
13011 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
13012 for long long multiply-accumulate.
13014 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13016 * regclass.c (scan_one_insn): Set loop_cost to 1 when
13017 optimizing for size.
13019 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
13021 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
13022 if something changed. Back out that part of yesterday's changes.
13024 * loop.c (loop_max_reg): New static variable.
13025 (loop_optimize): Initialize it. Eliminate one unnecessary call to
13027 (scan_loop): Call reg_scan_update whenever we may have added new
13028 registers, and update loop_max_reg.
13030 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13032 * regclass.c (record_reg_classes): Do not do the copying preferrencing
13033 when source does not die.
13035 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
13037 1999-12-14 Jakub Jelinek <jakub@redhat.com>
13039 * config/sparc/linux64.h (TARGET_LIVE_G0,
13040 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
13042 * config/sparc/linux.h (TARGET_LIVE_G0,
13043 TARGET_BROKEN_SAVERESTORE): Likewise.
13044 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
13045 TARGET_BROKEN_SAVERESTORE): Likewise.
13047 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
13048 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
13050 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
13051 as sparc64 block profiling register.
13052 * config/sparc/sparc.c (sparc_override_options): Allow block
13053 profiling with -m32.
13054 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
13055 profiling register.
13056 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
13057 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
13058 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
13060 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
13062 * config/sparc/sparc.h: Likewise.
13063 * config/sparc/xm-sysv4-64.h: Likewise.
13064 * config/float-sparc.h: Likewise.
13065 * glimits.h: Likewise.
13066 * longlong.h: Likewise.
13068 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
13069 (ASM_IDENTIFY_GCC): Remove.
13071 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
13073 * combine.c (combine_simplify_rtx): Don't make shared rtl.
13074 (simplify_logical): Likewise.
13076 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
13078 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
13079 * cppfiles.c (INO_T_EQ): Likewise.
13081 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
13083 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
13084 * i386/mingw32.h (LIB_SPEC): Likewise.
13085 (STARTFILE_SPEC): Likewise.
13086 * i386/uwin.h (LIB_SPEC): Likewise.
13087 (STARTFILE_SPEC): Likewise.
13089 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
13090 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
13092 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
13094 * combine.c (combine_simplify_rtx): Fix order of checks for
13095 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
13097 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
13099 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
13100 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
13102 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
13104 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
13106 * regclass.c (inv_reg_alloc_order): New array.
13107 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
13109 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
13110 counted_for_groups, counted_for_nongroups. Add fields rld and
13112 * reload.c (push_secondary_reload): Don't set nongroup field of
13114 (push_reload): Likewise.
13115 (find_reloads): Delete code to compute nongroup fields.
13116 * reload1.c (reload_insn_firstobj): New static variable.
13117 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
13119 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
13120 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
13121 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
13123 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
13125 (struct hard_reg_n_uses): Deleted.
13126 (potential_reload_regs): Deleted.
13127 (init_reload): Initialize spilled_pseudos and pseudos_counted.
13128 (reload): Don't try to allocate reload registers if we already know
13129 we have to make another pass. Call select_reload_regs. Free memory
13130 starting with reload_firstobj when starting another pass.
13131 Don't allocate spilled_pseudos.
13132 (calculate_needs_all_insns): Call copy_reloads for an insn that
13133 needs reloads; don't call calculate_needs.
13134 (spill_cost): New static array.
13135 (used_spill_regs_local): New static variable.
13136 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
13137 to compute potential_reload_regs.
13138 (find_reload_regs): Completely rewritten to use find_reg.
13139 (allocate_reload_reg): Don't test counted_for_groups or
13140 counted_for_nongroups. Lose NOERROR arg and code to give an error;
13141 all cllers changed.
13142 (choose_reload_regs): Add fallback code that uses the existing
13143 register allocation from find_reload_regs.
13145 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
13147 * flow.c (create_edge_list): Cast xmalloc return value.
13149 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
13151 * doprnt.c: Remove incorrect comment closure.
13153 * cse.c: Fix a few minor whitespace goofs.
13155 1999-12-13 Don Bowman <don@pixstream.com>
13157 * mips/vxworks.h: Fix problem with comment termination.
13158 (EXTRA_SECTIONS): Add in_sbss.
13159 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
13161 1999-12-12 David S. Miller <davem@redhat.com>
13163 * cse.c (struct cse_reg_info): Add hash_next member,
13164 reorder rest of struct for better packing on 64-bit
13166 (cse_reg_info_tree): Kill.
13167 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
13168 REGHASH_FN): New custom pow2 hash mechanism.
13170 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
13171 use a pow2 hash table.
13172 (get_cse_reg_info): Rework to use new REGHASH.
13173 (new_basic_block): Likewise, use HASH_SIZE, and inline
13175 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
13176 and inline free_element call.
13177 (lookup_as_function, insert, flush_hash_table, invalidate,
13178 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
13179 invalidate_for_call, use_related_value, find_comparison_args,
13180 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
13181 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
13182 get_element): Kill.
13184 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
13186 * cse.c (cse_basic_block): Free qty_table consistently.
13188 1999-12-12 David S. Miller <davem@redhat.com>
13189 Jakub Jelinek <jakub@redhat.com>
13191 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
13192 SUBREGs by hand, gen the appropriate hard reg directly.
13193 (movtf reg/mem split): Likewise and alter_subreg on destination
13195 (movtf mem/reg split): Similarly.
13196 (movdf_cc_sp64): Rename from hidden pattern.
13197 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
13198 (movtf_cc_sp64, following split): New pattern and splitter.
13199 (movdf_cc_reg_sp64): Rename from hidden pattern.
13200 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
13202 (movtf_cc_reg_sp64, following split): New pattern and splitter.
13204 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
13206 * loop.c (load_mems): Don't hoist written floating point mem
13209 1999-12-12 Mark Mitchell <mark@codesourcery.com>
13211 * except.h (struct eh_queue): Add `next' pointer.
13212 (struct eh_status): Make x_ehqueue a pointer.
13213 (push_ehqueue): Declare.
13214 (pop_ehqueue): Likewise.
13215 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
13217 (expand_fixup_region_end): Likewise.
13218 (expand_leftover_cleanups): Likewise.
13219 (push_ehqueue): Define.
13220 (pop_ehqueue): Likewise.
13221 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
13222 than doing it inline.
13223 (expand_start_all_catch): Adjust now that ehqueue is a
13225 (mark_eh_queue): Mark all level of the queue.
13226 (mark_eh_status): Adjust now that ehqueue is a
13228 (init_eh_for_function): Allocate ehqueue.
13229 (free_eh_status): Free it.
13230 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
13231 expansion for a fixup.
13233 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13235 * gthr-single.h (__gthread_active_p): Add prototype arguments.
13237 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
13238 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
13239 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
13240 function_ptr, getpagesize, __enable_execute_stack,
13241 __enable_execute_stack, __clear_insn_cache,
13242 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
13243 _cleanup, _exit, __default_terminate, __terminate_func,
13244 __terminate, __empty, __throw, new_eh_context,
13245 eh_context_initialize, eh_context_static, eh_context_specific,
13246 get_eh_context, __get_eh_context, __get_eh_info,
13247 init_reg_size_table, eh_threads_initialize,
13248 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
13249 __unwinding_cleanup, throw_helper, __throw, __rethrow,
13250 __pure_virtual): Add prototype arguments.
13251 (__bb_exit_func): Cast a sizeof to long when comparing against one.
13252 Cast a signed value to unsigned long when comparing against one.
13253 (new_eh_context): Wrap in _GTHREADS macro.
13254 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
13256 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
13257 (throw_helper): Initialize variables `handler_p' and `pc_p'.
13259 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13261 * combine.c (record_promoted_value): Remove unused variable
13264 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
13266 * global.c (record_conflicts): Likewise for `j'.
13268 * genoutput.c (output_insn_data): Don't unnecessarily cast away
13271 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13273 * i386-protos.h (output_387_binary_op, output_fix_trunc,
13274 output_fp_compare): Constify a char*.
13276 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
13278 (override_options, ix86_comp_type_attributes, print_operand,
13279 output_387_binary_op, output_fix_trunc, output_fp_compare):
13281 (ix86_sched_reorder): Mark parameter `clock_var' with
13284 * i386.h (DEBUG_PRINT_REG): Constify a char*.
13286 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
13288 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
13289 operand, for use in the Java front-end.
13291 1999-12-10 Ben Collins <bcollins@debian.org>
13293 * configure.in: Fix typo for "-64" in 64bit as check.
13294 * configure: Rebuilt.
13296 1999-12-10 Jakub Jelinek <jakub@redhat.com>
13298 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
13301 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13303 * c-parse.in (string): With -Wtraditional, warn if ANSI string
13304 concatenation is utilized.
13306 * invoke.texi (-Wtraditional): Document it.
13308 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13310 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
13311 Cast a ptrdiff_t to long and pass it to printf with %ld.
13313 1999-12-10 Geoff Keating <geoffk@cygnus.com>
13315 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
13316 68881, we have no 68881 registers at all.
13317 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
13318 value in a 68881 register if it is available.
13320 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
13322 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
13323 for long long multiply-accumulate.
13325 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
13327 * loop.c (insert_loop_mem): Undo last change.
13329 1999-12-10 David S. Miller <davem@redhat.com>
13331 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
13333 * config/sparc/sparc-protos.h: Add them.
13334 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
13335 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
13336 constraints which use those helpers.
13337 (EXTRA_CONSTRAINT): Use this new macro.
13338 * md.texi: Update sparc target constraints documentation.
13339 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
13340 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
13341 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
13342 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
13343 (movsf high/lo_sum split): Rework for new patterns.
13344 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
13346 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
13348 * c-common.c (c_common_nodes_and_builtins):
13349 Create __builtin_ptrdiff_t and __builtin_size_t.
13351 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
13353 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
13355 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13357 * regclass.c (globalize_reg): Re-instate test that allows
13358 fixed registers to be declared as a variable even after functions
13361 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13363 * i386.md (cpu attribute): Add "athlon".
13364 (athlon_decode): New attribute.
13365 (Athlon scheduling units definitions): New.
13366 (fcmp and shld patterns): Set athlon_decode to "vector".
13367 * i386.c (athlon_cost): New.
13369 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
13370 x86_use_sahf): Set for Athlon.
13371 (x86_use_fiop): Unset for Athlon.
13372 (override_options): Define Athlon alignments and "athlon" name.
13373 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
13374 * i386.h (TARGET_ATHLON): New.
13375 (enum processor_type): Add PROCESSOR_ATHLON.
13376 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
13378 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
13380 1999-12-09 Andreas Jaeger <aj@suse.de>
13382 * loop.c (record_biv): Declare parameter as int.
13384 * config/i386/i386-protos.h: Declare long_memory_operand.
13386 1999-12-09 Mark Mitchell <mark@codesourcery.com>
13388 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
13389 EXPR_WITH_FILE_LOCATION.
13391 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13393 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
13396 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
13398 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
13401 1999-12-09 Jakub Jelinek <jakub@redhat.com>
13403 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
13404 default on linux64 again.
13405 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
13406 models for multilibing.
13407 * genmultilib: Accept | as alternative separator within a set in
13410 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
13412 * calls.c (precompute_arguments): Make sure initial_value contains
13413 value pseudo which CSE expects.
13414 * cse.c (struct set): New entry orig_src.
13415 (cse_insn): Set it early on entry, use it for libcall EQUIV note
13418 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
13420 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
13422 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
13424 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
13426 1999-12-08 Jakub Jelinek <jakub@redhat.com>
13428 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
13429 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
13431 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
13434 * longlong.h: Merge in changes from glibc.
13435 Also don't clobber %g2 register in 32bit SPARC assembly, so that
13436 -mno-app-regs libgcc can be compiled.
13437 * libgcc2.c: Add defines so that the updated longlong.h
13438 can be used in libgcc2.a. Also, make sure on most architectures
13439 (at least on all which have optimized code in longlong.h defined
13440 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
13442 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13444 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
13445 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
13446 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
13448 * configure: Rebuilt.
13450 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
13452 * alpha.c (secondary_reload_class): For !BWX, sub-simode
13453 outputs require a register.
13455 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
13457 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
13458 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
13459 functions like dptoul will be resolved.
13460 (libgcc2.a): Make sure that the object files from DPBIT are named
13461 differently (prefix `_dp') from those that would be coming from
13464 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
13466 * configure.in: When target is sparc* and tm_file contains 64,
13467 test for 64bit support in assembler. If not supported, remove
13468 sparc/t-sol2-64 from target-dependent Makefile fragments.
13469 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
13470 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
13471 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
13472 * acconfig.h (AS_SPARC64_FLAG): Added.
13473 * configure, config.in: Rebuilt.
13474 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
13475 support. Use AS_SPARC64_FLAG.
13477 1999-12-07 Jakub Jelinek <jakub@redhat.com>
13479 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
13480 suitable for holding OFmode values so that gcc works with complex
13482 (hard_64bit_mode_classes): Likewise.
13484 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
13485 so that it is actually matched.
13486 (sethi_di_medlow): Likewise.
13488 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
13489 as legitimate constant if -mvis.
13490 * config/sparc/sparc.md (movtf): Likewise.
13491 (clear_sf): Use const_double_operand.
13492 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
13494 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
13495 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
13496 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
13497 routines, _Qp_* cannot be handled like that now.
13498 (INIT_TARGET_OPTABS): Likewise.
13499 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
13500 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
13501 sparc_emit_float_lib_cmp if ARCH64 and soft float.
13502 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
13503 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
13504 divtf3, sqrttf3): New expanders.
13505 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
13506 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
13507 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
13510 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
13511 * configure: Rebuilt.
13512 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
13513 -mcpu is given and we're doing 64bit compiles.
13515 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
13517 * loop.h (struct induction): Add multi_insn_incr.
13518 * loop.c (basic_induction_var): New multi_insn_incr argument.
13519 Set it if we search back through previous insns for the biv.
13520 (record_biv): New multi_insn_incr argument; fill in struct induction.
13521 (strength_reduce): Discard an iv with multiple bivs, any of
13522 which require multiple insns to increment.
13524 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13526 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
13529 1999-12-06 David S. Miller <davem@redhat.com>
13531 * combine.c (check_promoted_subreg): Do not conditionalize this upon
13532 PROMOTE_FUNCTION_RETURN.
13534 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
13536 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
13537 and handle REG_UNUSED note on insn.
13539 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
13540 inner_mask instead of mask.
13542 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
13544 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
13545 zero if there was an error.
13547 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13549 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
13552 * longlong.h: Fix clobbers in SPARC asm statements.
13554 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
13555 valid sethi operations when TARGET_ARCH64.
13557 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
13558 always use move_by_pieces to avoid infinite recursion.
13559 (restore_fixed_argument_area): Likewise.
13561 * combine.c (check_promoted_subreg, record_promoted_value): New
13563 (combine_instructions): Use them to retain nonzero and sign bit
13564 information after SUBREGs are eliminated by optimizations in
13565 this pass if PROMOTE_FUNCTION_RETURN.
13567 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
13568 .register declaration. Don't use variables with __ prefixes.
13570 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13572 * fold-const.c (optimize_bit_field_compare): Only use one mode
13573 for both RHS and LHS in non-constant case.
13575 1999-12-06 Nathan Sidwell <nathan@acm.org>
13577 * frame.c (start_fde_sort): Only allocate erratic array, if
13578 linear one was allocated. Return allocated flag.
13579 (fde_insert): Only insert, if there's a valid array.
13580 (fde_end_sort): Split, sort and merge if linear and erratic
13581 arrays exist, else just sort linear one.
13582 (search_fdes): New function. Linear search through original fde
13584 (frame_init): Permit multiple initializations. Cope with
13586 (find_fde): Fallback on linear search, if failed to sort array.
13587 (__deregister_frame_info): Only free sorted array, if we
13590 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13592 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
13594 1999-12-05 Jakub Jelinek <jakub@redhat.com>
13596 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
13598 1999-12-05 Mark Mitchell <mark@codesourcery.com>
13600 * tree.h (special_function_p): Declare.
13601 * calls.c (special_function_p): Make it global. Don't take `name'
13602 as a parameter. Fix typo in 1999-11-28 change.
13603 (expand_cal): Adjust.
13605 1999-12-04 Mark Mitchell <mark@codesourcery.com>
13607 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
13608 * tree.h (EXPR_WFL_FILENAME): Define in terms of
13609 EXPR_WFL_FILENAME_NODE.
13610 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
13612 * print-tree.c (print_note): Print TREE_PRIVATE and
13615 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
13616 the original die cannot be found.
13618 * varray.h (varray_head_tag): Add elements_used.
13619 (VARRAY_PUSH): New macro.
13620 (VARRAY_POP): Likewise.
13621 (VARRAY_TOP): Likewise.
13622 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
13624 * varray.c (varray_init): Initialize elements_used.
13625 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
13626 (INTEGRATE_H): New variable.
13627 (integrate.o): Depend on INTEGRATE_H.
13628 (unroll.o): Likewise.
13630 * function.h (insert_block_after_note): Declare.
13631 * function.c (insert_block_after_note): Split out from ...
13632 (retrofit_block): ... here.
13634 * stmt.c (expand_fixup): Fix typo in comment.
13636 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13638 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
13639 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
13640 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
13641 (regmove_optimize, fixup_match_1): Likewise.
13643 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13645 * flow.c (flow_loops_dump): Add missing argument when calling
13646 flow_loop_nested_p.
13648 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
13649 Greg McGary <gkm@gnu.org>
13651 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
13652 (init_attributes): Add A_NO_LIMIT_STACK.
13653 (decl_attributes): Handle A_NO_LIMIT_STACK.
13654 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
13655 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
13656 Handle stack bounds checking.
13657 * flags.h (flag_stack_check): Use the word 'probe' rather than
13658 'check', because the flag doesn't actually cause any checking to
13660 * function.c (expand_function_start): Set
13661 current_function_limit_stack.
13662 * function.h (struct function): Add limit_stack.
13663 (current_function_limit_stack): Define.
13664 * invoke.texi (Code Gen Options): Document new options.
13665 * rtl.h: Declare stack_limit_rtx.
13666 * toplev.c (stack_limit_rtx): New variable.
13667 (decode_f_option): Handle new options -fstack-limit-register=REG,
13668 -fstack-limit-symbol=IDENT, -fno-stack-limit.
13669 (main): Add stack_limit_rtx as GC root.
13670 * tree.h (DECL_NO_LIMIT_STACK): New macro.
13671 (struct tree_decl): New member no_limit_stack.
13673 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
13675 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
13676 (conditional_trap+1): Get new mnemonic correct.
13677 (conditional_trap+2): New pattern for DImode traps.
13679 * config/m68k/m68k.c (output_function_prologue): Handle
13681 * config/m68k/m68k.md (trap): New insn.
13682 (conditional_trap): New insn.
13683 * md.texi (Standard Names): Document `trap' and
13684 `conditional_trap'.
13685 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
13686 so a cc0 setter doesn't get emitted at some random place in the
13689 * config/i960/i960.md (trap): New insn.
13690 (conditional_trap): New expander.
13691 (conditional_trap+1, conditional_trap+2): New insns for signed
13692 and unsigned cases.
13693 * config/i960/i960.c (i960_function_prologue): Use
13694 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
13696 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
13697 Geoffrey Keating <geoffk@cygnus.com>
13699 * flags.h (warn_padded, warn_packed): Add global var decls.
13700 * toplev.c (warn_padded, warn_packed): Add global var defns.
13701 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
13702 * stor-layout.c (layout_record): Add local variable `type'
13703 to hold often-used TREE_TYPE (field). Add local variable
13704 `unpacked_align' to hold alignment that would be in force
13705 if no `packed' attribute were present. Warn if `packed' attribute
13706 is unnecessary, or even harmful. Warn when gcc inserts padding
13707 to satisfy alignment requirements of members. Use NULL_TREE
13708 when checking whether var_size is set.
13709 * invoke.texi: Document new flags.
13711 1999-12-03 Nathan Sidwell <nathan@acm.org>
13713 * frame.c (fde_split): Reimplement to avoid variable sized array.
13715 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13717 * combine.c (try_combine): Before fixing up LOG_LINKS for the
13718 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
13720 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
13722 * invoke.texi: Document the mips option -mno-crt0
13724 1999-12-02 Mike Karr <mkarr@mathworks.com>
13726 * cccp.c (argdata): Added free_ptr member.
13727 (macroexpand): Initialize free_ptr of each argument. When an
13728 argument's buffers are freed, if the argument's free_ptr corresponds
13729 to a buffer on the input stack, then return the free_ptr to that stack
13730 frame, otherwise, free it.
13731 (macarg): If an argument begins and ends on the same input stack level,
13732 then transfer the free_ptr of that buffer to the argument in case
13733 the stack is popped during the processing of a subsequent argument.
13735 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
13737 * loop.c (note_reg_stored): New function.
13738 (struct note_reg_stored_arg): New structure.
13739 (try_copy_prop): Change to be more conservative; only replace within
13740 one extended basic block and stop replacing if a store to the
13741 replacement reg is seen.
13743 1999-12-02 Nick Clifton <nickc@cygnus.com>
13745 * config/fp-bit.c: Initialise all fields of the NAN
13748 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
13751 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
13753 * i386.md (extend?f?f2): Force the input into a register, not
13756 1999-12-01 Jakub Jelinek <jakub@redhat.com>
13758 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
13760 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
13761 alternative because setting up 64bit constant is usually costly,
13762 especially when reload is in progress or completed.
13763 (movdf_const_intreg_sp64): Likewise.
13764 (movdf_const_intreg split): Fix building up constants when
13765 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
13767 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
13769 * combine.c (if_then_else_cond): Use const_true_rtx instead of
13770 const1_rtx for return values in EQ/NE comparison against (const_int 0)
13773 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
13774 (asm_file_start): Emit .am33 into assembly file when compiling for
13776 (print_operand_address): Handle POST_INC addresses.
13777 (can_use_return_insn, initial_offset): Check AM33 registers too.
13778 (expand_prologue): Check & save AM33 registers too.
13779 (expand_epilogue): Similarly.
13780 (secondary_reload_class): Handle AM33 specific secondary reloads.
13781 (output_tst): Emit efficient code for the AM33 too.
13782 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
13783 (TARGET_SWITCHES): Add -mam33 switch.
13784 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
13785 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
13786 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
13787 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
13788 (enum reg_class, REG_CLASS_NAMES): Likewise.
13789 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
13790 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
13791 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
13792 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
13793 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
13794 (HAVE_POST_INCREMENT): Define.
13795 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
13796 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
13797 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
13798 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
13799 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
13800 (zero_extend to SI from QI/HI): Likewise.
13801 (sign_extend to SI from QI/HI): Likewise.
13802 (mulsidi3, umulsidi3): New patterns for the AM33.
13803 (tstsi with zero extension from QI/HI): Add AM33 variants.
13804 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
13805 (return_internal_regs, store_movm): Handle new AM33 registers.
13806 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
13807 (LIBGCC, INSTALL_LIBGCC): Likewise.
13808 * invoke.texi: Document new flags.
13810 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13812 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
13813 (addsi3_carry): Likewise.
13814 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
13815 (sbbsi3_carry): Likewise.
13816 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
13817 (mulhi3): Likewise.
13818 (test?i_1): Ensure that only one operand is memory.
13819 (conditional move patterns): likewise.
13820 (shift and rotate patterns): Rewrite to expander, add
13821 "binary_operator_ok" to the condition.
13823 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
13824 * i386.h (procesor_costs): Add movzbl_load field.
13825 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
13826 non-Q registers, accept DImode registers anywhere.
13828 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
13829 * i386.c (*_cost): Set value for movxbl_load field.
13831 * (addsi): New add to lea splitter.
13832 (ashlsi): Likewise.
13833 (lea to add/shift peep2): New.
13835 1999-12-01 Mark Salter <msalter@cygnus.com>
13837 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
13838 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
13839 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
13841 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13843 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
13844 * i386.md (movsi_xor): New.
13846 (movsi_1, movhi_1, movqi_1): Remove.
13847 (movsi_2): Rename to movsi_1.
13848 (movhi_2): Rename to movhi_1.
13849 (movqi_2): Rename to movqi_1.
13850 (movdi_1): Remove; remove splitter.
13851 (movdi_2): Rename to movdi_1.
13852 (divmodsi4 splitter): Do not emit clobbers for move patterns.
13853 (long move peep2): Do not create QI or HI mode mov0s
13854 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
13856 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
13859 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
13860 (abs?f2_if): Likewise.
13862 1999-11-30 Alex Samuel <samuel@codesourcery.com>
13864 * ggc.h (ggc_test_and_set_mark): New macro.
13865 (ggc_mark_rtx): Use ggc_test_and_set_mark.
13866 (ggc_mark_tree): Likewise.
13867 (ggc_mark_rtvec): Likewise.
13868 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
13870 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
13872 * dwarf2out.c (scope_die_for): Only handle types. Only search for
13874 (decl_scope_table): Just an array of trees now.
13875 (push_decl_scope): Simplify.
13876 (dwarf2out_init): Adjust.
13877 (local_scope_p): New fn.
13878 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
13879 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
13880 (gen_typedef_die): Likewise.
13881 (gen_lexical_block_die): Don't call push/pop_decl_scope.
13882 (gen_inlined_subroutine_die): Likewise.
13883 (gen_abstract_function): Set current_function_decl temporarily.
13884 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
13885 Handle block extern declarations. Don't call push/pop_decl_scope.
13886 (gen_decl_die): Fix logic for block externs.
13888 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13890 * calls.c (special_function_p): Remove `realloc' and add `strdup'
13891 to the list of functions which have attribute malloc by default.
13893 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13895 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
13896 integer constant does not match the traditional type, limit the
13897 warnings to cases where the base of the type is ten.
13899 * invoke.texi (-Wtraditional): Document it.
13901 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13903 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
13904 * rs6000.md: Only access a CONST_INT with INTVAL
13906 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
13908 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
13909 (compute_nearerout): Likewise.
13910 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
13911 size_t to unsigned long for formatting.
13913 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13915 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
13916 Allow the user to override call-used/fixed state of %g2-5
13917 registers from the command line (with the exception of %g4 for
13919 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
13920 there is a higher chance of having a leaf function.
13921 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
13922 for ARCH64 which has %ccr register.
13923 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
13925 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
13926 insn accept into delay slot any insn which does not use %[ol]
13927 registers. Accept some LO_SUM and shift left by 1 for the normal
13929 (output_function_epilogue): Likewise.
13930 (epilogue_renumber): Added argument which inhibits any renumbering
13931 and just tests if the rtx does not use any %[ol] registers.
13932 (output_return): Reflect above change.
13934 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13936 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
13937 aggregate passing for sizes <= 16 bytes.
13939 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
13941 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
13942 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
13943 * reload.c (find_dummy_reload): Likewise.
13944 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
13945 * reload1.c (reload_as_needed): Likewise.
13946 * stupid.c (stupid_find_reg): Likewise.
13947 * tm.texi (Obsolete Register Macros): Delete section.
13948 * gmicro.h: Remove all traces of the two macros.
13949 * i386.h: Likewise.
13950 * m88k.h: Likewise.
13951 * mips.h: Likewise.
13953 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
13955 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
13956 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
13957 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
13958 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
13959 units for the sparclite86x chip.
13960 (flush): Revert October 14th change; add SImode specifically.
13961 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
13962 * invoke.texi: Document it.
13964 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
13966 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
13967 psimode_truncation_operand.
13969 * config/mn10200/mn10200.c (psimode_truncation_operand): New
13970 function. Return true if the operand is either a MEM valid
13971 for a PSImode address or not a MEM at all.
13973 * config/mn10200/mn10200.md (truncsipsi2): Use
13974 psimode_truncation_operand.
13976 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13978 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
13979 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
13980 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
13981 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
13982 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
13983 (flow_loop_level_compute, low_loops_level_compute): Likewise.
13984 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
13985 * basic-block.h: Protect from multiple inclusion.
13986 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
13987 (struct loops, struct loop): Define structures.
13988 * sbitmap.c (sbitmap_a_subset_b_p): New function.
13989 * sbitmap.h: Protect from multiple inclusion.
13990 (sbitmap_a_subset_b_p): Add prototype.
13991 * Makefile.in (LOOP_H): New macro.
13992 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
13994 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
13996 * cppinit.c (CAT): The argument list of this macro may not contain
13999 1999-11-29 David S. Miller <davem@redhat.com>
14001 Move quantity tables and register equivalence chains into
14002 per-qty and per-register structure arrays respectively.
14003 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
14004 qty_const_insn, qty_comparison_code, qty_comparison_const,
14005 qty_comparison_qty): Delete, replace with...
14006 (qty_table): this structure table.
14007 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
14008 (reg_eqv_table): this structure table.
14009 (make_new_qty): Add argument MODE. Caller updated.
14010 Update to use qty_table and reg_eqv_table.
14011 (make_regs_eqv, delete_reg_equiv, insert_regs,
14012 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
14013 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
14014 cse_process_notes, cse_main, cse_basic_block): Likewise.
14016 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14018 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
14019 operation if C is negative.
14020 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
14021 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
14022 law for some divisions if constant is negative and change other
14023 divisions to the opposite rounding.
14025 * expr.c (store_constructor_field): If bit position is not multiple
14026 of alignment of TARGET's mode, use BLKmode.
14028 * expr.c (expand_expr_unaligned): Add more code from full case
14029 that is needed when OP0 is in a register.
14031 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14033 * dwarfout.c (field_byte_offset): Size can be zero if there was
14036 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
14038 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
14039 (associate_trees): Delete unused var TEM.
14040 (extract_muldiv): Delete unused var CANCEL_P.
14042 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
14043 (target_isinf, target_isnan, target_negative): Add return types to
14044 function definitions.
14046 1999-11-29 Bruce Korb <autogen@linuxbox.com>
14048 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
14049 * fixinc/hackshell.tpl: ditto
14050 * fixinc/fixtests.c(double_slash_test): more C++ header testing
14051 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
14053 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
14055 * reload.c (push_reload): When looking for a register to put into
14056 reg_rtx, make sure all hard regs in a multi-reg register are in the
14057 right class and nonfixed.
14059 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
14060 pending_read_insns, pending_write_insns, pending_read_mems,
14061 pending_write_mems, pending_list_length, last_pending_memory_flush,
14062 last_function_call, sched_before_next_call): Move static variables
14064 (bb_ prefixed versions): Replace with single array bb_deps.
14065 (struct deps): New structure.
14066 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
14067 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
14068 argument of type "struct deps *"; use that instead of global
14069 variables. All callers changed.
14070 (init_rgn_data_dependencies): Delete function.
14071 (init_rtx_vector): Delete function.
14072 (init_deps): New function.
14074 (free_pending_lists): Simplify, we always use the bb_deps array even
14075 if only one basic block.
14076 (compute_block_backward_dependences): Likewise.
14077 (schedule_region): Likewise.
14079 (propagate_deps): New function, broken out of
14080 compute_block_backward_dependences.
14081 (compute_block_backward_dependences): Use it.
14083 * alpha.md: Delete useless patterns that tried to work around
14084 register elimination problems.
14086 * unroll.c (loop_iterations): Don't abort if iteration variable
14089 From Joern Rennecke:
14090 * reload1.c (reloads_conflict): Reverse test comparing operand
14091 numbers when testing for conflict between output/outaddr reloads.
14093 1999-11-29 David S. Miller <davem@redhat.com>
14095 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
14097 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
14099 1999-11-28 Robert Lipe <robertl@cygnus.com>
14101 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
14102 table from .fini into .dtor.
14104 1999-11-28 Anthony Green <green@cygnus.com>
14106 * tree.h (struct tree_decl): Add malloc_flag.
14107 (DECL_IS_MALLOC): Define.
14108 * c-common.c (attrs): Add A_MALLOC attribute.
14109 (init_attributes): Add this attribute to the table.
14110 (decl_attributes): Handle malloc attribute.
14111 * calls.c (special_function_p): Check for the malloc attribute.
14112 * extend.texi (Function Attributes): Document malloc attribute.
14114 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
14116 * pa.md (reload shift-add patterns): Remove.
14118 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14120 * reorg.c (dbr_schedule) Print more statistics. Corrected
14121 problem when printing info when 3 delay slots are filled.
14123 1999-11-28 Jakub Jelinek <jakub@redhat.com>
14125 * combine.c (setup_incoming_promotions): Pass an outgoing
14126 regno to FUNCTION_ARG_REGNO_P which it expects.
14128 1999-11-28 Andreas Jaeger <aj@suse.de>
14130 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
14132 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
14134 * cccp.c (do_include): Avoid initialization of automatic variable.
14136 * integrate.c (mark_stores): Function definition made void, to match
14137 previous declaration.
14138 * regclass.c (dump_regclass): Ditto.
14139 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
14141 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14143 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
14144 known to be multiple of divisor.
14146 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
14148 * combine.c (try_combine): Add code to try to merge a set of a
14149 two-word pseudo to a constant with a setting of one of those words
14152 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
14153 (split_tree): Completely rework to make more general.
14154 (make_range, fold): Call negate_expr.
14155 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
14156 (fold, associate): Call new split_tree and associate_trees.
14157 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
14159 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
14161 * loop.c (try_copy_prop): Avoid GNU C extension.
14163 1999-11-25 Mark Mitchell <mark@codesourcery.com>
14165 * except.c (init_eh_for_function): Still zero eh_return_context,
14166 eh_return_stack_adjust, and eh_return_handler.
14168 * except.h (eh_status): Adjust documentation for x_protect_list.
14169 (begin_protect_partials): New function.
14170 * except.c (enqueue_eh_entry): Fix formatting.
14171 (get_first_handler): Add consistency check.
14172 (add_partial_entry): Adjust usage of protect_list.
14173 (emit_cleanup_handler): Save and restore ehqueue.
14174 (expand_start_all_catch): Add comment.
14175 (begin_protect_partials): New function.
14176 (end_protect_partials): Adjust usage of protect_list.
14177 (init_eh_for_function): Use xcalloc.
14179 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14181 * c-common.c (check_format_info): Don't call a variadic function
14182 with a non-literal format string.
14184 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
14186 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
14187 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
14190 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
14193 * collect2.c (collect_wait): Likewise.
14195 * dbxout.c (dbxout_type): Likewise.
14197 * gcc.c (do_spec_1): Likewise.
14199 * genemit.c (gen_insn, gen_expand): Likewise.
14201 * genrecog.c (write_switch, write_subroutine): Likewise.
14203 * mips-tfile.c (catch_signal, botch): Likewise.
14205 * print-rtl.c (print_rtx): Likewise.
14207 * toplev.c (default_print_error_function, report_error_function,
14208 _fatal_insn): Likewise.
14210 1999-11-25 Mark Mitchell <mark@codesourcery.com>
14212 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
14214 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14216 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
14217 operations when needed.
14218 * i386.md (fop_?f_comm): New.
14219 (fop_?f_1): Do not accept commutative operands.
14221 1999-11-25 Andreas Jaeger <aj@suse.de>
14223 * config/mips/mips.md (casesi_internal): Add missing brace.
14225 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
14227 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
14228 (splice_child_die): Handle moving a child DIE from the declaration
14229 DIE of a class to its specification.
14230 (gen_struct_or_union_type_die): Use 'complete' consistently.
14231 (gen_decl_die): Generate the virtual context DIE first.
14232 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
14234 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
14236 * config/mips/mips.md (call_value_multiple_interanal1): New.
14238 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
14240 * dwarf2out.c (free_AT, free_die): New fns.
14241 (remove_children): Call them.
14242 (output_line_info): Disable removal of duplicate notes.
14244 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
14245 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
14246 means pretend the type isn't defined.
14247 Don't defer emitting types.
14248 (gen_type_die_for_member): New fn.
14249 (gen_decl_die): Call it.
14250 (splice_child_die): New fn.
14251 (gen_member_die): Call it rather than generate duplicate dies.
14253 Defer emitting information for the abstract instance of an inline
14254 until we either inline it or emit an out-of-line copy.
14255 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
14256 from output_inline_function if DECL_ABSTRACT is also set.
14257 (block_ultimate_origin): Likewise.
14258 (gen_abstract_function): New fn.
14259 (gen_decl_die, gen_inlined_subroutine_die): Call it.
14260 (gen_subprogram_die): An abstract instance is not a declaration
14261 just because it doesn't match current_function_decl. Don't abort
14262 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
14263 has an abstract origin.
14264 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
14265 abstract instance here.
14267 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
14269 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
14270 where we need to reload fpul from a system register.
14272 1999-11-24 Andreas Jaeger <aj@suse.de>
14274 * config/mips/linux.h (CPP_PREDEFINES): Added.
14275 (LINK_SPEC): Remove -Y since this is only needed on sparc.
14277 1999-11-24 Andreas Jaeger <aj@suse.de>
14279 * config/mips/linux.h (TARGET_VERSION): Added.
14280 (HANDLE_SYSV_PRAGMA): Added.
14281 (DEFAULT_VTABLE_THUNKS): Added.
14283 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14285 * local-alloc.c (qty): New structure and static variable.
14286 (qty_phys_reg): Remove, all references changed to qty.
14287 (qty_n_refs): Likewise.
14288 (qty_min_class): Likewise.
14289 (qty_birth): Likewise.
14290 (qty_death): Likewise.
14291 (qty_size): Likewise.
14292 (qty_mode): Likewise.
14293 (qty_n_calls_crossed): Likewise.
14294 (qty_alternate_class): Likewise.
14295 (qty_changes_size): Likewise.
14296 (qty_first_reg): Likewise.
14297 (alloc_qty): Rename variable QTY to QTYNO.
14298 (finf_free_reg): Likewise.
14299 (local_alloc): Allocate qty, do not allocate the removed variables.
14301 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
14303 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
14304 when -membedded-pic is passed.
14306 * config/mips/mips.md (casesi): Handle 64-bit case too.
14307 (casesi_internal_di): New insn.
14309 * config/mips/mips.c (embedded_pic_offset): Always make the
14310 embedded-pic subtractions relative to the name of the current
14311 function by use of the magic string "..CURRENT_FUNCTION".
14312 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
14314 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
14316 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
14317 of (const_int 0), when what we really care about is
14318 whether it's a zero constant anyway.
14319 (div_trap_mips16): Likewise.
14321 1999-11-23 Mark Mitchell <mark@codesourcery.com>
14323 * loop.c (loop_optimize): Always find_loop_tree_blocks and
14324 unroll_block_trees when generating debuggable code.
14326 * tree.h (unsave_expr_1): New function.
14327 (lang_unsave): New variable.
14328 (get_callee_fndecl): New function.
14329 * tree.c (unsave_expr_now_r): New function.
14330 (lang_unsave): Define.
14331 (unsave_expr_1): Likewise.
14332 (unsave_expr_now_r): Split out from unsave_expr_now.
14333 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
14334 call unsave_expr_now_r.
14335 (get_callee_fndecl): Define.
14337 * Makefile.in (gencheck): Don't depend on lang_tree_files.
14338 (gencheck.o): Do depend on lang_tree_files.
14340 * integrate.h (copy_decl_for_inlining): New declaration.
14341 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
14342 (copy_decl_for_inlining): New function.
14343 (integrate_parm_decls): Use it.
14344 (integrate_decl_tree): Likewise.
14346 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
14348 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
14349 the second two from the first.
14350 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
14351 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
14352 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14354 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
14355 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14358 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
14360 * pa.md (call_internal_symref, call_value_internal_symref): No mode
14361 needed on the address operand.
14362 * pa.c (call_operand_address): Check for the correct mode.
14364 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
14366 * loop.c: Include "basic-block.h".
14367 (try_copy_prop, replace_loop_reg): New functions.
14368 (load_mems): Detect registers that just hold copies of the hoisted
14369 mem, and call try_copy_prop to eliminate them.
14370 * Makefile.in (loop.o): Update dependencies.
14372 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
14374 * Makefile.in (gencheck.o): Depend on gencheck.h.
14375 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
14376 (insn-peep.o): Depend on except.h and function.h.
14377 (insn-attrtab.o): Depend on RECOG_H.
14378 (insn-output.o): Depend on toplev.h and flags.h.
14379 (gengenrtl.o): Depend on real.h.
14380 (gen-protos.o): Depend on cpplib.h and cpphash.h.
14381 Unify all dependencies to be on RECOG_H rather than recog.h.
14383 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14385 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
14386 * configure.in: Try building a bi-arch 32/64-bit compiler on
14387 sparc-*-solaris2.7 and higher.
14388 * configure: Rebuild.
14390 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
14392 * config/freebsd.h: New, FreeBSD architecture independent file.
14393 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
14394 independent pieces.
14395 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
14396 directly by i386/freebsd.h.
14397 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
14398 independent configuration file.
14399 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
14400 directly by i386/freebsd.h.
14401 * configure: Rebuilt.
14403 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
14404 which is in the user's namespace.
14405 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
14406 `i386' which is not in our namespace.
14408 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
14410 * invoke.texi (ARM Options): Add in -mno-alignment-traps
14412 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14414 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
14415 (add_dwarf_attr, add_child_die): Just push onto the front.
14416 (reverse_die_lists): New fn.
14417 (add_sibling_attributes): Use it.
14418 (push_decl_scope): Reorganize.
14419 (add_name_and_src_coords_attributes): Don't set file and line for
14420 an artificial decl.
14421 (gen_subprogram_die): An artificial function doesn't need to match
14423 (gen_compile_unit_die): Return the generated die. Only add
14424 AT_comp_dir if the filename is relative.
14425 (remove_AT): Simplify loop. Also free string values.
14426 (output_die): A DIE ref can't be null.
14427 (output_value_format, value_format): Take a dw_attr_ref.
14428 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
14429 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
14430 AT_addr, AT_lbl): New fns.
14431 (various): Use them.
14432 (various): Constify.
14434 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14436 * combine.c (combine_simplify_rtx): When handling a SUBREG,
14437 take SUBREG_WORD into account.
14438 (if_then_else_cond): Likewise.
14440 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14442 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
14443 clause from BSD license, pursuant with
14445 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
14447 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
14449 * loop.c (load_mems): Reformat slightly.
14450 * basic-block.h (regset_head): New typedef.
14451 (INIT_REG_SET): New macro.
14453 1999-11-22 Bruce Korb <autogen@linuxbox.com
14455 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
14456 (mips-dec-bsd*): non-functional code
14457 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
14459 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
14460 added three replacement fixes
14461 (no_double_slash): removed comments that are not (any longer) pertinent
14462 (bad_lval): this fix currently runs against many files.
14463 The comment seems to indicate that we should select for files
14464 containing 'pragma extern_prefix'.
14466 * fixinc/fixinc.x86-linux-gnu: deleted
14467 * fixinc/inclhack.sh: regen
14468 * fixinc/fixincl.x: regen
14469 * fixinc/fixincl.sh: regen
14471 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
14473 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
14474 its code is INSN and it has no notes.
14476 1999-11-22 Andrew Haley <aph@cygnus.com>
14478 * varasm.c (function_defined): Remove.
14479 (make_function_rtl): Don't set function_defined.
14480 (make_decl_rtl): Remove global register warning.
14481 * regclass.c (no_global_reg_vars): New variable.
14482 (globalize_reg): Warn if function has already been defined.
14483 (regclass_init): Set no_global_reg_vars.
14485 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14487 * regclass.c (reg_pref): New structure and static variable
14488 (prefclass): Delete.
14489 (altclass): Delete.
14490 (all uses of prefclass and altclass): Use reg_pref instead.
14492 1999-11-21 Nick Clifton <nickc@cygnus.com>
14494 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
14496 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
14497 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14498 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14500 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
14502 * varasm.c (output_constructor): Solve problem with long long
14503 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
14505 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14507 * global.c (allocno): New structure and static variable.
14508 (allocno_reg): Remove, all references replaced by allocno.
14509 (allocno_size): Likewise.
14510 (hard_reg_conflicts): Likewise.
14511 (hard_reg_preferences): Likewise.
14512 (hard_reg_copy_preferences): Likewise.
14513 (hard_reg_full_preferences): Likewise.
14514 (regs_someone_prefers): Likewise.
14515 (allocno_calls_crossed): Likewise.
14516 (allocno_n_refs): Likewise.
14517 (allocno_live_length): Likewise.
14518 (find_reg): Rename ALLOCNO to NUM.
14520 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
14521 references updated.
14522 (may_move_out_cost): New variable.
14523 (init_reg_sets_1): Initialize may_move_out_cost.
14524 (record_reg_classes): Use may_move_out_cost.
14526 * regclass.c (dump_regclass): New function.
14527 (regclass): New parameter DUMP, call DUMP_REGCLASS.
14528 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
14529 pass rtl_dump_file to regclass.
14530 * rtl.h (regclass): Update prototype.
14532 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14534 * i386.md (neg, not and abs patterns): Revmap to use
14535 ix86_expand_unary_operator and ix86_unary_operator_ok.
14536 (add?f and sub?f expanders): Force operand 1 to register.
14537 * i386.c (ix86_expand_unary_operator): Rewrite.
14538 (ix86_unary_operator_ok): Ensure that memory operands
14540 (ix86_binary_operator_ok): Do not allow operand 1 to
14541 come into memory and operand 0 not.
14542 (ix86_expand_binary_operator): Ensure that
14543 src1 is not non-matching memory.
14545 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
14546 to support integer registers and memory.
14547 (abss?2_integer): Likewise.
14549 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
14550 (REG_CLASS_NAMES): Likewise.
14551 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
14553 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
14554 (movsf): Likewise; unify 4th and 5th alternative.
14555 (pushdf): Likewise.
14556 (movdf_1): Likewise; rename to movdf_integer.
14557 (pushxf): Likewise; rename to pushxf_integer; fix output template;
14558 remove redundant splitter.
14559 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
14560 (movdf_nointeger): New.
14561 (movxf_nointeger): New.
14562 (pushxf_nointeger): New.
14564 * i386.md (extend?f?f): Split to expander and pattern, refuse two
14565 memory operands in patterns.
14566 (fop*): Refuse two memory operands.
14568 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
14569 on !TARGET_USE_CLTD CPUs.
14571 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
14573 * extend.texi: Document C++ restricted pointers and references.
14575 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
14577 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
14578 (invalidate_skipped_set): Call it unconditionally.
14579 (cse_set_around_loop): Likewise.
14581 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14583 * rtl.texi (mem): Add documentation for alias-set argument
14586 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14588 * i386.h (struct_processor_costs): New fields int_load, int_store,
14589 fp_move, fp_load and fp_store
14590 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
14592 (MEMORY_MOVE_COST): New macro.
14593 * i386.c (386_cost): Define new fields.
14594 (i486_cost): Likewise.
14595 (pentium_cost): Likewise.
14596 (pentiumpro_cost): Likewise.
14597 (k6_cost): Likewise.
14599 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
14600 Geoffrey Keating <geoffk@cygnus.com>
14602 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
14604 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
14607 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
14608 (TARGET_STRICT_ALIGNMENT): New macro.
14609 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
14610 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
14611 * invoke.texi (M680x0 Options): Document -mstrict-align.
14613 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
14614 Richard Henderson <rth@cygnus.com>
14616 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
14617 (ix86_split_long_move): Declare.
14618 * i386.c (split_xf, ix86_split_movdi): Remove.
14619 (ix86_split_to_parts, ix86_split_long_move): New.
14620 * i386.md (dimode move splitters): Use ix86_split_long_move.
14621 (dfmode move splitters): Likewise.
14622 (xfmode move splitters): Likewise.
14623 (movsf_1): Allow F->r.
14624 (movdf_1, movxf_1): Allow F->ro.
14626 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14628 * except.h (struct eh_entry): Add goto_entry_p.
14629 (eh_region_from_symbol): Remove prototype.
14630 * except.c (find_func_region_from_symbol): New function.
14631 (emit_cleanup_handler): Likewise.
14632 (eh_region_from_symbol): Make it static.
14633 (add_new_handler): Verify the argument.
14634 (find_func_region): Update comment.
14635 (expand_eh_region_end): Expand handlers here, rater than waiting
14636 until expand_leftover_cleanups or start_all_catch.
14637 (expand_leftover_cleanups): Don't expand here.
14638 (expand_start_all_catch): Or here.
14639 (expand_rethrow): Check the return value from find_func_region.
14640 * function.c (expand_function_end): Emit the catch_clauses.
14642 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
14644 * integrate.c (expand_inline_function): Add necessary check for NULL.
14646 1999-11-18 Nick Clifton <nickc@cygnus.com>
14648 * toplev.c (main): Correctly detect an unrecognised option.
14650 * cppinit.c (cpp_handle_option): Do not claim to have consumed
14651 a -f option if it has not been recognised.
14653 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
14655 * basic-block.h (update_life_extent): Remove trailing comma on
14656 enumeration type list.
14658 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14660 * varasm.c (output_constructor) Solved problem with long long
14661 bitfields. Corrected calculating this_time and shift. Also
14662 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
14664 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
14666 * flow.c (split_edge): Take looping structure into account when
14667 determining where to put the new block note.
14669 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
14671 * Makefile.in (ggc-none.o): Provide host specific version if
14674 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
14676 * cse.c (delete_trivially_dead_insns): Identify no-op insns
14677 containing subregs too.
14679 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14681 * invoke.texi: Add documentation for -muninit-const-in-rodata.
14682 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
14683 (TARGET_UNINIT_CONST_IN_RODATA): Define.
14684 (text_section): Add switches -munint-const-in-rodata and
14685 -mno-uninit-const-in-rodata.
14686 (ASM_OUTPUT_COMMON): Remove.
14687 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
14688 const objects should be placed in read-only data. Otherwise declare
14691 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
14693 * jump.c (jump_optimize_1): Revert last change.
14695 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
14697 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
14698 test if optimizing for size.
14700 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14702 * Makefile.in (toplev.o): Depend on except.h.
14703 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
14705 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14707 * i386.md (divmodsi4): Rewrite to expander.
14708 (*divmodsi4_nocltd): New.
14709 (*divmodsi4_cltd): New.
14710 (divmodsi4 splitter): Handle the case when input comes in edx.
14711 (udivmodhi4): Do not use constraints in exander.
14712 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
14714 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
14716 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
14717 for the common case.
14719 1999-11-16 Jakub Jelinek <jakub@redhat.com>
14721 * explow.c (hard_function_value): Add outgoing argument.
14722 * expr.h (hard_function_value): Declare it.
14723 * calls.c (expand_call, emit_library_call_value): Update callers.
14724 * function.c (aggregate_value_p): Ditto.
14725 (diddle_return_value): Must look at the outgoing registers
14726 on archs with register windows.
14728 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
14730 * alpha.c (alpha_build_va_list): Use make_lang_type and
14731 initialize TYPE_NAME for the va_list record.
14733 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
14735 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
14737 * ggc.h (struct ggc_statistics): Rearrange elements for better
14738 packing on 64-bit hosts.
14739 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
14740 (compute_nearerout): Likewise.
14742 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
14744 * config/rs6000/rs6000.c (first_reg_to_save): Save
14745 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
14747 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
14749 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
14750 notion of nesting to find the DIE for a type or function.
14751 DIEs can go in limbo even if we got a context_die.
14752 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
14753 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
14755 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
14756 (gen_type_die): Writing out the context doesn't cause member class
14757 template instantiations to be written out as well.
14759 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
14761 * rs6000.h (ASM_OUTPUT_DEF): New.
14762 Based on proposed addition from David Edelsohn.
14764 1999-11-15 Robert Lipe <RobertLipe@usa.net>
14765 Bruce Korb <autogen@linuxbox.com>
14767 * fixinc/inclhack.def
14768 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
14769 (unixware7_byteorder_fix): added. Removes conflicts for new defs
14771 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
14772 (svr4_endian): enabled with SVR5
14773 (svr4_mkdev): simplified syntax and enabled with SVR5
14775 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
14777 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
14778 * configure: Rebuilt.
14779 * config/t-freebsd-thread: New file.
14781 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
14783 * i386.c (ix86_decompose_address): Verify the base is a REG
14784 before trying to examine its register number.
14786 * basic-block.h: Remove all #defines and prototypes related to
14788 (free_bb_mem, compute_preds_succs): Remove prototype.
14789 * rtl.h (free_bb_mem): Remove prototype.
14790 * flow.c (alloc_int_list_node); Remove function.
14791 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
14792 (compute_preds_succs, free_bb_mem): Likewise.
14793 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
14794 * toplev.c (rest_of_compilation): Likewise.
14795 * haifa-sched.c (build_control_flow): Use flow generated edge
14796 list to build the haifa specific edge list.
14797 (find_rgns): Use new CFG data structures instead of pred/succ lists.
14798 (schedule_insns): Do not build pred/succ lists anymore. Instead
14799 build the edge table.
14801 * basic-block.h (dump_bb_data): Remove declaration.
14802 * flow.c (dump_bb_data): Remove function.
14803 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
14804 (sbitmap_union_of_predsucc): Likewise.
14806 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
14807 argument. All callers changed.
14808 (delete_null_pointer_checks_1): No longer need to compute the
14811 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
14812 All callers changed.
14813 (pre_expr_reaches_here_p_work): Likewise.
14814 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
14815 * lcm.c (compute_laterin): Fix initialization of LATER.
14816 (compute_nearerout): Similarly for NEARER.
14818 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14820 * cse.c (set_nonvarying_address_components): Delete unused function.
14821 (refers_to_p): Likewise.
14823 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
14825 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
14828 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14830 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
14831 definition in do while (0).
14833 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
14835 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
14837 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
14839 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
14841 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
14843 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
14844 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
14845 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
14846 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
14848 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
14849 saved on the stack. Output more accurate stack frame statistics
14850 into assembler file.
14852 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
14854 * genextract.c (record_insn_name): New function.
14855 (get_insn_name): No longer a stub.
14856 (main): Call record_insn_name for each insn. After each label
14857 written, print the insn name in a comment.
14859 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14861 * output.h (const_section, init_section, fini_section): Add
14864 * alpha/elf.h (const_section): Delete declaration.
14866 * svr4.h (const_section): Likewise.
14868 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
14870 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
14871 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
14872 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
14874 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
14875 variable-sized array bounds.
14877 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
14879 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
14882 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14884 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
14885 addresses the same way GO_IF_LEGITIMATE_INDEX does.
14887 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14889 * cse.c (hash_arg_in_struct): Delete.
14890 (struct table_elt): Delete elt in_struct.
14891 (struct set): Delete elt src_in_struct.
14892 (merge_equiv_classes): Don't set either hash_arg_in_struct or
14893 the corresponding in_struct elts.
14894 (canon_hash): Likewise.
14895 (safe_hash): Likewise.
14896 (find_best_addr): Likewise.
14897 (record_jump_cond): Likewise.
14898 (cse_insn): Likewise.
14900 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
14902 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
14904 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
14907 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
14909 * function.c (diddle_return_value): Put back check that the DECL_RTL
14910 for the function is a register.
14912 * function.c (diddle_return_value): Use hard_function_value to
14913 get an rtx suitable for use in the USE/CLOBBER insn.
14915 * global.c (global_conflicts): Update comments.
14916 (record_conflicts): No need to record conflicts between pseudos here.
14918 1999-11-11 Bruce Korb <autogen@linuxbox.com>
14920 * fixinc/fixincl.c: Added verbose levels for status messages
14922 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14924 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
14925 operand as argument to expand_and or expand_binop.
14927 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
14929 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
14930 gcc_add_string_root.
14932 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
14934 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
14936 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
14938 * flow.c (compute_flow_dominators): Initially put all blocks on
14940 * lcm.c (compute_antinout_edge, compute_available): Similarly.
14941 * gcse.c (compute_cprop_avinout): Remove.
14942 (compute_cprop_data): Use compute_available.
14943 (delete_null_pointer_checks_1): Use compute_available.
14945 * basic-block.h (compute_available): Returns a void now.
14946 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
14947 to return a value anymore.
14948 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
14949 worklists. Fix boundary cases. Compute maximal solutions.
14950 (compute_laterin, compute_nearerout): Similarly.
14952 * dwarf2out.c (add_AT_location_description): Allow
14953 (mem (plus (pseudo) (...)) too.
14955 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
14957 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
14959 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
14960 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14962 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
14964 * gansidecl.h: Likewise.
14970 * toplev.h: Likewise.
14972 * tree.c: Likewise.
14974 * tree.h: Likewise.
14976 * varray.c: Likewise.
14978 * varray.h: Likewise.
14980 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
14982 * gcov.c (struct arcdata): Add hits and total, remove prob.
14983 (output_branch_counts): New.
14984 (process_args): Set output_branch_counts if -c.
14985 (calculate_branch_probs): Store hits and total instead of
14987 (output_data): Emit counts if output_branch_counts is true.
14988 * gcov.texi (Invoking Gcov): Document -c switch..
14990 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
14992 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
14993 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
14995 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
14997 * invoke.texi (C Dialect Options): Add missing builtins from
14998 c-common.c to list.
14999 * extend.texi (Other Builtins): Copy to this list.
15001 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15003 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
15004 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
15005 redundant bitmap.h.
15007 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
15009 * flow.c (compute_flow_dominators): No longer treat basic block 0
15010 or (n_basic_blocks - 1) specially. Clear the AUX field before
15011 starting computation of doms/pdoms. Fix initial state for pdoms.
15013 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15015 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
15016 match rtl.o's: added ggc.h and toplev.h
15017 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
15018 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
15019 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
15021 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
15023 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
15024 from HAVE_DOS_BASED_FILESYSTEM.
15025 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
15026 HAVE_DOS_BASED_FILESYSTEM.
15028 (split_directories): Only special-case DOS file names if
15029 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
15030 instead of explicit tests. Conditionalize on !VMS.
15031 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
15032 tests. Conditionalize on !VMS.
15033 (process_command): Only use make_relative_prefix if !VMS.
15034 (free_split_directories): Conditionalize on !VMS.
15035 (DIR_UP): Conditionalize on !VMS.
15037 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
15039 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
15041 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
15043 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
15046 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
15048 * invoke.texi (Environment Variables): Document relative path
15050 * gcc.c (DIR_UP): If not defined, define as "..".
15051 (standard_bindir_prefix): New static, holds target location to
15053 (split_directories): New function to split a filename into
15054 component directories.
15055 (free_split_directories): New function, release memory allocated
15056 by split_directories.
15057 (make_relative_prefix): New function, make a relative pathname if
15058 the compiler is not in the expected location.
15059 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
15060 can figure out an appropriate prefix from argv[0].
15061 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
15062 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
15063 STANDARD_BINDIR_PREFIX.
15065 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15067 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
15069 * config/c4x/c4x.h: Moved prototypes to c4x.h.
15070 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
15071 c4x_secondary_memory_needed) Delete.
15072 (fp_zero_operand): Add mode argument.
15074 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
15076 * reload1.c (reload_reg_free_for_value_p): Don't use a register
15077 that is in reload_reg_used.
15079 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
15081 * config/arm/arm-protos.h: New file: Prototypes for functions
15082 defined in arm.c and pe.c.
15083 * config/arm/arm.h: Fix compile time warnings.
15084 * config/arm/arm.c: Fix compile time warnings.
15085 * config/arm/pe.h: Fix compile time warnings.
15086 * config/arm/aout.h: Fix compile time warnings.
15088 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
15090 * config/m32r/m32r-protos.h: New file: Prototypes for functions
15093 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
15094 Add support for subtargets.
15095 Add prototypes for new predicates.
15096 Add scheduling macros.
15098 * config/m32r/m32r.c: Fix compile time warnings.
15099 (int8_operand): New predicate function.
15100 (reg_or_cmp_int16_operand): New predicate function.
15101 (extend_operand): New predicate function.
15102 (m32r_adjust_code): New scheduling function.
15103 (m32r_adjust_priorty): New scheduling function.
15104 (m32r_sched_init): New scheduling function.
15105 (m32r_sched_reorder): New scheduling function.
15106 (m32r_sched_variable_issue): New scheduling function.
15107 (direct_return): New codegen function.
15108 (m32r_not_same_reg): New rtl testsing function.
15110 * config/m32r/m32r.md: Fix compile time warnings.
15111 Add support for pre decrement and post increment memory
15113 Add S<cc> patterns.
15116 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15118 * global.c (EXECUTE_IF_CONFLICT): Don't define.
15119 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
15120 (find_reg): Likewise.
15122 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
15124 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
15125 to avoid assembler errors.
15127 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
15129 * config/v850/v850-protos.h: New file: Prototypes for functions
15131 * config/v850/v850.h: Move prototypes to v850-protos.h
15132 * config/v850/v850.c: Move prototypes to v850-protos.h
15133 * config/v850/v850.md: Fix compile time warnings.
15135 * config/fr30/fr30-protos.h: New file: Prototypes for functions
15137 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
15138 * config/fr30/fr30.c: Fix compile time warnings.
15139 * config/fr30/fr30.md: Fix compile time warnings.
15141 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
15143 * tree.h (get_containing_scope): Declare it.
15144 * tree.c (get_containing_scope): New fucntion.
15145 (decl_function_context): Use it.
15146 * toplev.c (rest_of_compilation): Use get_containing_scope.
15148 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15150 * Makefile.in (rtl.o): Depend on toplev.h.
15152 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
15154 * cse.c (delete_trivially_dead_insns): Replace alloca with
15156 * except.c (update_rethrow_references): Likewise.
15157 (init_eh_nesting_info): Likewise.
15158 * function.c (identify_blocks): Likewise.
15159 * gcse.c (dump_hash_table): Likewise.
15160 * graph.c (print_rtl_graph_with_bb): Likewise.
15161 * loop.c (combine_movables): Likewise.
15162 (move_movables): Likewise.
15163 (count_loop_regs_set): Likewise.
15164 (strength_reduce): Likewise.
15165 * profile.c (compute_branch_probabilities): New function, split
15167 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
15168 * regclass.c (regclass): Likewise.
15169 * regmove.c (regmove_optimize): Likewise.
15170 * toplev.c (compile_file): Likewise.
15171 (main): Don't mess with the stack rlimit.
15173 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
15175 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
15176 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
15178 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
15180 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
15182 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
15184 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
15185 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
15188 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
15190 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
15192 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
15194 * gcse.c (post_dominators): Kill.
15195 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
15196 (compute_code_hoist_data): Use compute_flow_dominators. Do not
15197 pass in a pdom array since we do not need pdoms.
15198 * haifa-sched.c (schedule_insns): Similarly.
15199 * flow.c (compute_dominators): Remove dead function.
15200 (compute_flow_dominators): Do not compute doms or pdoms if the
15201 caller does not request them. Split up loop to build doms and
15202 pdoms. Use a worklist to compute doms and pdoms.
15203 * basic-block.h (compute_dominators): Remove prototype.
15205 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
15207 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
15208 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
15209 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
15210 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
15211 (cant_move, fed_by_spec_load, is_load_insn): Remove.
15212 (schedule_region): Remove unused variable.
15213 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
15215 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
15217 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
15218 (update_equiv_regs): Likewise.
15219 (block_alloc): Likewise.
15220 * reg-stack.c (reg_to_stack): Likewise.
15221 (convert_regs_2): Likewise.
15222 * reload1.c (reload_as_needed): Likewise.
15224 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
15226 * Makefile.in (dbxout.o): Depend on ggc.h.
15227 (dwarf2out.o): Likewise.
15228 (xcoffout.o): Likewise.
15229 * dbxout.c: Include ggc.h.
15230 (dbxout_init): Register lastfile as a root.
15231 * dwarf2out.c: Include ggc.h.
15232 (dwarf2out_line): Register lastfile as a root.
15233 * xcoffout.c: Include ggc.h.
15234 (xcoffout_source_line): Register xcoff_lastfile as a root.
15236 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
15238 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
15240 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
15242 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
15244 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
15246 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15248 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
15249 (EXECUTE_IF_CONFLICT): Likewise.
15250 (ALLOCNO_LIVE_P): Avoid signed division.
15251 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
15252 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
15253 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
15255 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
15257 * haifa-sched.c (schedule_block): Don't crash if there's no
15258 next insn for an interblock movement.
15259 (add_branch_dependences): Don't allow clobber insns to move either.
15261 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
15263 * i386.c (split_xf): New.
15264 * i386-protos.h: Declare it.
15265 * i386.md (movxf_1): Add general regs alternatives.
15266 (movxf_1+1): New splitter for same.
15268 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
15270 * function.c (purge_addressof_1): Add missing return values.
15272 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
15274 * function.c (is_addressof): New function. Returns true if
15275 the given piece of RTL is an ADDRESSOF.
15276 (purge_addressof_1): Make boolean. Return false if the
15277 ADDRESSOFs could not be purged.
15278 (purge_addressof): If ADDRESSOFs could not be purged from the
15279 notes attached to an insn, remove the offending note(s),
15280 unless they are attached to a libcall.
15282 1999-11-05 Andreas Jaeger <aj@suse.de>
15284 * genoutput.c (null_operand =): Initialize all fields.
15286 * errors.h: Add extern to prototypes.
15288 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
15290 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
15291 * configure: Rebuilt.
15293 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15295 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
15296 (mirror_conflicts): New function.
15297 (global_alloc): Call it.
15298 (expand_preferences): Remove redundant CONFLICTP test.
15299 (find_reg, dump_conflicts): Likewise.
15300 (prune_preferences): Process conflicts one word at a time.
15302 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
15304 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
15305 instead of an explicit loop.
15307 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
15309 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
15310 if REG_RETVAL check succeeds, then put classp in src_elt.
15312 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
15314 * function.c (pad_to_arg_alignment): Only update argument_pad
15315 if the argument's alignment is greater than STACK_BOUNDARY.
15317 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
15319 * bitmap.h (BITMAP_XFREE): New.
15320 * flow.c (life_analysis): Use it.
15321 (life_analysis_1): Free blocks.
15323 * combine.c (undo_commit): New.
15324 (try_combine): Use it. Don't zap undobuf.undos.
15325 (combine_instructions): Don't zap undobuf.undos; free the
15326 undobuf.frees list.
15328 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
15330 * stmt.c (cost_table_): New.
15331 (estimate_case_costs): Use it instead of xmalloc.
15333 * toplev.c (compile_file): Reuse dumpname memory instead
15336 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
15338 * reg-stack.c (convert_regs_1): Initialize target_stack->top
15339 after verifying an EH edge.
15341 * haifa-sched.c (init_rgn_data_dependences): Correctly
15342 size bb_pending_lists_length when zeroing.
15344 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
15346 * function.c (diddle_return_value): New.
15347 (expand_function_end): Use it.
15348 * stmt.c (expand_null_return): Likewise.
15349 (expand_value_return): Likewise.
15351 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
15353 * reload1.c (reload): Don't remove return value clobbers.
15355 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
15357 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
15359 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
15361 * cse.c (cse_main): Use xmalloc, not alloca.
15362 (cse_basic_block): Likewise.
15363 * local-alloc.c (local_alloc): Likewise.
15365 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
15366 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15368 * rtl.c: Include toplev.h.
15369 (fatal): Remove declaration.
15371 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
15373 * haifa-sched.c (schedule_block): Fix thinko.
15375 1999-11-03 James McKelvey <mckelvey@fafnir.com>
15377 * fixinc/fixincl.c(create_file): Allow for systems that do not have
15378 S_IR* defined values
15380 1999-11-03 Philippe De Muyter <phdm@macqel.be>
15382 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
15383 call `malloc' instead.
15385 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
15387 * flags.h (flag_renumber_insns): Declare.
15388 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
15390 * rtl.h (renumber_insns): Change prototype.
15391 * toplev.c (flag_renumber_insns): Define.
15392 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
15394 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
15396 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
15397 and fpsqrtd. Use them and create fdiv function unit to more
15398 accurately represent fpu sqrt pipeline semantics on UltraSparc.
15399 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
15401 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
15403 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
15405 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
15406 insn into ready list, do not use just a raw swap.
15408 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
15410 * rtl.h (renumber_insns): New function.
15411 (remove_unnecessary_notes): Likewise.
15412 * emit-rtl.c (renumber_insns): Define.
15413 (remove_unncessary_notes): Likewise.
15414 * toplev.c (rest_of_compilation): Remove dead code.
15415 Use renumber_insns and remove_unncessary_notes.
15417 * gcse.c (struct null_pointer_info): New type.
15418 (get_bitmap_width): New function.
15419 (current_block): Remove.
15420 (nonnull_local): Likewise.
15421 (nonnull_killed): Likewise.
15422 (invalidate_nonnull_info): Take a null_pointer_info as input.
15423 (delete_null_pointer_checks_1): New function.
15424 (delete_null_pointer_checks): Use it.
15426 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
15427 (split_edges): Likewise.
15428 (schedule_block): Likewise.
15429 (compute_block_backward_dependencies): Likewise.
15430 (schedule_region): Likewise.
15431 (schedule_insns): Likewise.
15433 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
15435 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
15436 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
15437 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
15438 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
15439 * jump.c (delete_unreferenced_labels): Don't delete if
15440 LABEL_ALTERNATE_NAME is set.
15441 * print-rtl.c (print_rtx): Dump alternate name.
15442 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
15443 * rtl.h (LABEL_ALTERNATE_NAME): Define.
15444 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
15445 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
15447 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15449 * fix-header.c (recognized_extern, recognized_function): Constify
15452 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
15453 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15454 (compute_available): Remove unused variable `last'.
15455 (compute_nearerout): Remove unused variable `temp_bitmap'.
15456 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15457 Remove unused variable `x'.
15459 * scan.h (recognized_function, recognized_extern): Constify a
15462 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
15464 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15466 * varasm.c (decode_rtx_const): Use XSTR to access the string
15469 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
15471 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
15473 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15475 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
15477 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
15479 * pa.c (ireg_operand): New function.
15480 * pa.h (PREDICATE_CODES): Handle ireg_operand.
15481 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
15482 Fix out of date comment.
15484 * pa.md (negdi2): Turn into expander + anonymous pattern.
15486 * reload.c (find_reloads): Fix typos in recent change.
15488 * dwarf2out.c: Do not include ctype.h.
15490 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15492 * regclass.c (record_reg_classes): Always use may_move_cost when
15493 seeing how operand fits with various register classes.
15495 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
15497 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
15498 * toplev.c: Revert Nov 1 13:22 change.
15500 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
15502 * config/pa/pa.md (height reduction patterns): Add checks for
15503 overlapping operands to avoid semantic-destroying splits for
15504 height reduction patterns.
15506 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15508 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
15509 have been an hyphen, fixed.
15510 * configure: Rebuilt.
15512 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
15514 * config/arm/tpe.h: Add prototypes for exported functions.
15515 * config/arm/pe.c: Fix compile time warnings.
15516 * config/arm/semi.h: Fix compile time warnings.
15517 * config/arm/arm.c: Fix compile time warnings.
15518 * config/arm/arm.h: Fix compile time warnings.
15519 * config/arm/arm.md: Fix compile time warnings.
15520 * config/arm/thumb.c: Fix compile time warnings.
15521 * config/arm/thumb.h: Fix compile time warnings.
15522 * config/arm/thumb.md: Fix compile time warnings.
15524 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
15526 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
15529 * unroll.c (unroll_loop): Remove LOOP notes when loop is
15530 completely unrolled.
15532 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15534 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
15536 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
15538 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
15539 * rtl.h (rtx_equal_p): Move prototype.
15540 * rtl.c (rtx_equal_function_value_matters): Move from
15542 (rtx_equal_p): Likewise.
15543 * rtlanal.c (rtx_equal_function_value_matters): Delete.
15544 (rtx_equal_p): Likewise.
15546 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
15548 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
15549 ! HAS_INIT_SECTION.
15551 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
15553 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
15555 * pa.h (ADDR_VEC_ALIGN): Define.
15557 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
15558 notes when presented with "if (foo) break; end_of_loop" and
15559 the break sequence gets moved out of the loop.
15561 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
15562 Remove explicit zero initializations of entries within MAP.
15564 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
15566 * reg-stack.c (convert_regs_1): Handle EH edges specially.
15568 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
15570 * bitmap.h (BITMAP_XMALLOC): New macro.
15571 * flow.c (CLEAN_ALLOCA): Remove.
15572 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
15573 (life_analysis): Likewise.
15574 (update_life_info): Don't use CLEAN_ALLOCA.
15575 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
15576 (calculate_global_regs_live): Likewise.
15577 (print_rtl_with_bb): Likewise.
15578 (verify_flow_info): Likewise.
15579 * global.c (global_alloc): Likewise.
15580 (global_conflicts): Likewise.
15581 * integrate.c (save_for_inline_nocopy): Likewise.
15582 (expand_inline_function): Likewise.
15583 * jump.c (jump_optimize_1): Likewise.
15584 (duplicate_loop_exit_test): Likewise.
15585 (thread_jumps): Likewise.
15586 * loop.c (loop_optimize): Likewise.
15587 (combine_givs): Likewise.
15588 (recombine_givs): Likewise.
15589 * reorg.c (dbr_schedule): Likewise.
15590 * unroll.c (unroll_loop): Likewise.
15592 * combine.c (combine_instructions): Use xmalloc instead of alloca.
15594 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
15596 * toplev.c (rest_of_compilation): Don't optimize the CFG
15597 when rebuilding, just before dbr.
15599 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15601 * output.h (assemble_end_function, assemble_destructor,
15602 assemble_constructor, assemble_gc_entry, assemble_global,
15603 assemble_label, output_constant_pool) Constify a char*.
15605 * varasm.c (assemble_destructor, assemble_constructor,
15606 assemble_gc_entry, assemble_end_function, assemble_global,
15607 assemble_label, output_constant_pool): Likewise.
15609 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
15611 * config/arm/thumb.c (thumb_expand_prologue): Add comments
15612 explaining what is goin on in this function.
15614 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15616 * regclass.c (record_reg_classes): In matching case, recompute
15617 costs since the direction of movement is different.
15619 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
15621 * resource.c (mark_target_live_regs): For unconditional branches,
15622 the resources found at the branch target should be added to the
15623 resources found so far, not intersected.
15625 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
15627 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
15629 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
15630 (sys/mman.h): Include this file only if #HAVE_MMAP.
15631 (run_compiles): Initialize `esac_fmt' with one old KR string, not
15632 with automatically concatenated ANSI strings.
15634 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
15636 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
15637 (DIV_ROUND_UP): Robustify.
15638 (ggc_recalculate_in_use_p): New function.
15639 (release_pages): Don't inline it.
15640 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
15642 (ggc_pop_context): Use ggc_recalculate_in_use_p.
15643 (clear_marks): Always save in_use_p.
15644 (sweep_pages): Use ggc_recalculate_in_use_p.
15645 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
15646 Release pages before counting statistics.
15648 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
15650 * toplev.c (rest_of_compilation): Fix thinko in this change:
15652 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15654 (rest_of_compilation): If inside an inlined external function,
15655 pretend we are just being declared.
15657 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
15659 * flow.c (calculate_global_regs_live): Fix thinko.
15661 * integrate.c (expand_inline_function): Fix bugs in previous
15662 change from Oct 28, 1999.
15664 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
15666 * stmt.c (expand_value_return): Fix typo in this change:
15668 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15669 (expand_value_return): Correctly convert VAL when promoting function
15670 return; support RETURN_REG being a PARALLEL.
15672 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
15674 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
15676 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15678 * hard-reg-set.h (reg_names): Constify a char*.
15680 * regclass.c (reg_names): Likewise.
15682 * regs.h (reg_names): Likewise
15684 * a29k/a29k.c (reg_names): Delete declaration.
15686 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
15688 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
15689 arc_output_function_epilogue): Likewise.
15691 * elxsi/elxsi.c (reg_names): Likewise.
15693 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
15695 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
15698 * m88k/m88k.c (output_function_profiler): Likewise.
15700 * sparc/sparc.c (sparc_flat_output_function_prologue,
15701 sparc_flat_output_function_epilogue): Likewise.
15703 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
15705 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
15706 warning from -Wuninitialized and put it under -W.
15707 * function.c (uninitialized_vars_warning): Warn only when the
15708 corresponding flag is set.
15710 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
15712 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
15713 is nonzero and the single set does not have an elt, then assign
15716 * simplify-rtx.c: New file.
15717 * Makefile.in (OBJS): Add simplify-rtx.o
15718 (simplify-rtx.o): Add dependencies.
15719 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
15720 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
15721 (cse_gen_binary, simplify_unary_operation): Delete.
15722 (simplify_binary_operation, simplify_plus_minus): Likewise.
15723 (check_fold_consts, simplify_relation_operation): Likewise.
15724 (simplify_ternary_operation): Likewise.
15725 (delete_trivially_dead_insns): Simplify the contents of the
15726 REG_EQUAL note before trying to substitute it into the source
15727 of the reg-reg copy at the end of a libcall sequence.
15729 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
15730 references/callers changed.
15732 * mn10200.c (mn10200_va_arg): Force the return value into a
15735 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
15737 * cccp.c (macroexpand): Avoid out of range accesses for omitted
15740 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
15742 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
15744 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
15746 * fold-const.c (fold): Fix thinko when optimizing comparisons
15749 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
15751 * gcc.texi (Passes): Update front-end files to their current
15754 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
15756 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
15757 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
15758 (PREDICATE_CODES): Add addition_operation.
15759 * alpha-protos.h (addition_operation): Declare.
15760 (secondary_reload_class): Likewise.
15761 * alpha.c (addition_operation): New.
15762 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
15763 * alpha.md (adddi3): Turn into expander.
15764 (*lda, *adddi_2): New.
15765 (movsf, movdf patterns): Don't preference integer regs.
15766 (movsi, movdi patterns): Don't preference fp regs.
15768 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
15770 * genrecog.c (write_switch): Check for duplicate CODE cases.
15772 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
15774 * ggc-common.c: Update pre-function commentary.
15775 * ggc-page.c: Likewise.
15777 (poison_pages): Use memset directly.
15778 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
15779 (ggc_collect): Poison before sweeping.
15780 * ggc-simple.c: Update pre-function commentary.
15781 (ggc_alloc_obj): Poison non-zeroed memory.
15783 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
15785 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
15786 match format string, even on 64-bit hosts.
15787 * gcc-page.c (ggc_page_print_statistics): Likewise.
15789 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
15791 * config/i386/i386.c (ix86_cpu): Revert last patch.
15792 * config/i386/i386.h (ix86_cpu): Ditto.
15794 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
15796 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
15797 TYPE_SIZE, convert type of result to sizetype.
15799 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
15801 * flow.c (count_or_remove_death_notes): Equate NULL with the
15804 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
15805 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
15808 * i386.c (pic_label_no): Delete.
15809 (ix86_attr_length_default): Don't use single_set to peek
15812 * recog.c (peephole2_optimize): Allow recog_next_insn to index
15813 the first insn after bb->end.
15814 * i386.md (push mem peeps): Scratch is live after evaluation
15816 (cmp mem peep): Similarly.
15818 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
15820 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
15821 * function.c (pad_to_arg_alignment): Add missing braces.
15823 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15825 * alpha/alpha-protos.h (literal_section): Add prototype.
15826 (alpha_need_linkage, alpha_start_function,alpha_end_function):
15829 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
15831 (alpha_start_function, alpha_end_function, float_strings,
15832 alpha_need_linkage): Constify a char*
15834 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
15836 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
15838 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
15840 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
15842 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15844 * flow.c (debug_flow_info): Add prototype.
15846 * gcc.c (main): Likewise.
15848 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
15851 * reload1.c (failed_reload, set_reload_reg): Likewise.
15853 * mips-tfile.c (main): Likewise.
15854 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
15855 with ATTRIBUTE_NORETURN.
15857 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
15859 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
15860 DECL is not a memory ref.
15862 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
15864 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
15865 * config/i386/i386.c (ix86_cpu): Add extern attribute.
15867 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
15869 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
15870 * config/mips/elf64.h: ditto.
15872 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
15874 * expr.c (emit_push_insn): New argument alignment_pad.
15875 Update all callers. Adjust stack pointer based on alignment pad.
15876 * function.c (pad_to_arg_alignment): New argument alignment_pad.
15877 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
15878 (locate_and_pad_parm): New argument alignment_pad. Update all
15880 * expr.h (emit_push_insn): Update prototype.
15881 (locate_and_pad_parm): Update prototype.
15882 * calls.c (arg_data): Add new field alignment_pad.
15883 (initialize_argument_information): Initialize alignment_pad.
15885 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
15887 * except.c (free_eh_nesting_info): Free the info itself.
15888 * function.c (free_after_compilation): Don't free NULL.
15889 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
15890 (pre_edge_insert): Free inserted.
15891 * stmt.c (free_stmt_status): Don't free NULL.
15893 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15895 * gcov.c (DIR_SEPARATOR): Provide default.
15896 (output_data): Add test for MS-DOS format absolute filename.
15897 (fancy_abort): Correct program name.
15898 (open_files): Open all files in binary mode.
15899 * libgcc2.c (__bb_exit_func): Likewise.
15901 * profile.c (init_branch_prob): Specify binary when opening files.
15903 * flags.h (flag_unwind_tables): New decl.
15904 * toplev.c (flag_unwind_table): New definition.
15905 (f_options): Add -funwind-tables.
15906 (decode_g_option): Clarify warning when unknown -g option is given.
15907 (rest_of_compilation): If inside an inlined external function,
15908 pretend we are just being declared.
15910 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
15911 (dwarf2out_frame_finish): Likewise.
15913 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
15915 * fold-const.c (merge_ranges): If not in0, but in1, handle
15916 upper bounds equal like subset case.
15918 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
15920 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
15921 passed in a register but moved to the stack.
15923 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
15925 * gcc.c (pass_exit_codes, greatest_status): New variables.
15926 (struct option_map): Add entry for "--pass-exit-codes".
15927 (execute): Update greatest_status if error.
15928 (display_help): Add documentation for -pass-exit-codes.
15929 (process_command): Handle -pass-exit-codes.
15930 (main): Look at pass_exit_codes and greatest_status on call to exit.
15932 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15934 * reload.c (find_reloads): Refine test for no input reload
15935 case to not includes reloads emitted after insn.
15937 * function.c (find_temp_slots_from_address): Handle sum involving
15938 a register that points to a temp slot.
15939 (update_temp_slot_address): Make recursive call if both old and
15940 new are PLUS with a common operand.
15941 * calls.c (expand_call): Mark temp slot for result as having
15944 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
15946 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
15947 component as well as "BINUTILS".
15949 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
15950 * integrate.c (copy_rtx_and_substitute): Likewise.
15951 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
15952 All callers changed.
15953 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
15955 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
15956 gdb extensions, write size of type; also be more consistent
15957 in using references when this is a subtype.
15959 * pa.md (extv, extzv, insv): Use define_expand to reject constant
15960 that is out of range.
15962 * loop.c (unknown_constant_address_altered): New variable.
15963 (prescan_loop): Initialize it.
15964 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
15965 (invariant_p, case MEM): Remove handling for volatile and readonly;
15966 check new variable if readonly.
15967 (check_dbra_loop): Chdeck unknown_constant_address_altered.
15969 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
15970 (addr_affects_sp_p): Removed from note_mem_written and only
15971 define #ifdef AUTO_INC_DEC.
15973 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
15975 * regclass.c (record_reg_classes): Properly handle register move
15978 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
15979 Don't think valid if both operands are invalid.
15980 (struct constant_descriptor): New field RTL.
15981 (mark_const_hash_entry): Mark it.
15982 (record_constant{,_rtx}): Initialize it.
15983 (output_constant_def): Allocate RTL in permanent obstack and
15985 ({record,compare}_constant_1): Modes must match for
15986 CONSTRUCTOR of ARRAY_TYPE.
15988 * c-common.h (initializer_constant_valid_p): Delete decl from here.
15989 * output.h (initializer_constant_valid_p): Move decl to here.
15990 * c-common.c (initializer_constant_valid_p): Delete function from here.
15991 * varasm.c (initializer_constant_valid_p): Move function to here.
15993 * tree.h (STRIP_SIGN_NOPS): New macro.
15994 * fold-const.c (optimize_minmax_comparison): New function.
15995 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
15996 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
15997 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
15998 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
15999 widening conversions.
16000 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
16001 to look at size of mode, not precision of type; also add missing cases.
16002 (optimize_bit_field_compare, decode_field_reference): Don't try to
16003 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
16005 * dwarf2out.c (ctype.h): Include.
16006 (dwarf2out_set_demangle_name_func): New function.
16007 (size_of_line_info): Deleted.
16008 (output_line_info): Compute size of line info table from difference
16010 (base_type_die, add_name_attribute): Call demangle function, if any.
16011 (field_byte_offset): Use bits per word for variable length fields.
16012 (gen_array_type_die): Add array name.
16013 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
16014 (dwarf2out_add_library_unit_info): New function.
16016 * explow.c (set_stack_check_libfunc): New function.
16017 (stack_check_libfunc): New static variable.
16018 (probe_stack_range): Allow front-end to set up a libfunc to call.
16020 * combine.c (simplify_comparison): When making comparison in wider
16021 mode, check for having commuted an AND and a SUBREG.
16022 (contains_muldiv): New function.
16023 (try_combine): Call it when dividing a PARALLEL.
16024 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
16025 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
16027 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
16028 use one of the CLOBBERs instead.
16029 (if_then_else_cond): If comparing against zero, just return thing
16032 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
16033 Don't generate shifts and subtract if have conditional arithmetic.
16035 * rtl.h (delete_barrier): New declaration.
16036 * jump.c (jump_optimize): Set up to handle conditional call.
16037 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
16038 (delete_barrier): New function.
16040 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
16042 * recog.c (nonmemory_operand): Accept ADDRESSOF.
16044 * tree.c (build_type_attribute_variant): Push to obstack of
16045 ttype around type_hash_canon call.
16047 * expr.c (placeholder_list): Move decl to file scope.
16048 (expand_expr): Don't force access to volatile just because its
16050 If ignoring reference operations, just expand the operands.
16051 (expand_expr, case COMPONENT_REF): Propagate
16052 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
16053 Refine test for using bitfield operations vs pointer punning.
16054 (expand_expr, case CONVERT_EXPR): If converting to
16055 BLKmode UNION_TYPE from BLKmode, just return inner object.
16056 Use proper mode in store_field call.
16057 Properly set sizes of object to store and total size in store_field
16058 call for convert to union.
16059 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
16060 memory (like for ADDR_EXPR). Also, don't put constant in register if
16061 we'll want it in memory.
16062 (readonly_fields_p): New function.
16063 (expand_expr, case INDIRECT_REF): Call it if LHS.
16064 (expand_assignment): Handle a RESULT_DECL where
16065 DECL_RTL is a PARALLEL.
16066 (do_jump, case WITH_RECORD_EXPR): New case.
16067 (get_inner_reference): Always go inside a CONVERT_EXPR
16068 and NOP_EXPR if both modes are the same.
16069 (store_field): Use bitfield operations if size of bitsize is not same
16070 as size of RHS's type.
16071 Check for bitpos not a multiple of alignment in BLKmode case.
16072 Do block move in largest possible alignment.
16073 (store_constructor): Set BITSIZE to -1 for variable size and properly
16074 in case of array of BLKmode.
16075 (expand_expr_unaligned): New function.
16076 (do_compare_and_jump): Call it.
16078 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
16079 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
16080 does not include 'o'.
16082 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
16083 both SET_DEST and SET_SRC reference a virtual register.
16084 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
16086 * integrate.c (expand_inline_function): Handle case of setting
16087 virtual stack vars register (from built in setjmp); when parameter
16088 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
16089 (subst_constant): Add new parm, MEMONLY.
16090 (expand_inline_function, integrate_parm_decls): Pass new parm.
16091 (integrate_decl_tree): Likewise.
16092 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
16093 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
16094 (copy_rtx_and_substitute, case SET): Add explicit calls to
16095 copy_rtx_and_substitute for both sides.
16097 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
16099 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
16100 within INDEX_TYPE, instead of before.
16101 (fixup_gotos): Use f->target_rtl, not the next insn,
16102 since latter may be from a later fixup.
16103 (expand_value_return): Correctly convert VAL when promoting function
16104 return; support RETURN_REG being a PARALLEL.
16105 (expand_return): When checking for result in regs and having
16106 cleanup, consider PARALLEL in DECL_RTL as being in regs.
16108 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
16110 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
16111 last_nominal_fname): Mark const.
16112 (struct include_hash: name, nshort, control_macro): Mark
16114 (struct macrodef: symnam): Mark const.
16115 (struct if_stack: fname): Mark const.
16116 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
16117 (IStable): New character-syntax array which encompasses all
16118 the old is_foo arrays.
16119 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
16120 is_space): New macros for interrogating IStable.
16121 (check_macro_name): Kill last argument. All callers changed.
16123 * cppinit.c (initialize_char_syntax): Delete.
16124 (is_idchar, is_idstart, is_hor_space, is_space,
16125 trigraph_table): Delete.
16126 (IStable): New. Initialize with clever macros to avoid
16127 information duplication.
16128 (builtin_array): Table of builtins to get rid of explicit list
16129 in initialize_builtins.
16130 (initialize_builtins): Use builtins_array.
16131 (cpp_start_read): Call init_IStable, and set IStable['$'] if
16132 opts->dollars_in_ident.
16134 * cppexp.c: Change all refs to is_xyz[] arrays to use new
16136 (cpp_parse_expr): Avoid 'format string is not constant'
16137 warning. Use ISGRAPH to identify printable chars.
16138 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
16140 (read_and_prescan): Map trigraphs to chars with open-coded
16141 if-else-if-... sequence, not a lookup table.
16142 * cpphash.c: Change all refs to is_xyz[] arrays to use new
16144 * cpplib.c: Change all refs to is_xyz[] arrays to use new
16145 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
16146 (check_macro_name): Remove ability to report an invalid
16147 assertion name, which is never used.
16148 (do_line): Constify a couple of char *'s.
16149 * cppmain.c (main): Call cpp_cleanup before returning.
16151 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
16153 * ggc.h (struct ggc_statistics): New type.
16154 (ggc_get_size): New function.
16155 (ggc_print_statistics): Likewise.
16156 * ggc-common.c (ggc_stats): New variable.
16157 (ggc_mark_rtx_children): Keep statistics.
16158 (ggc_mark_tree_children): Likewise.
16159 (ggc_print_statistics): New function.
16160 * ggc-page.c (struct globals): Add bytes_mapped field.
16161 (alloc_anon): Update it.
16162 (release_pages): Likewise.
16163 (ggc_get_size): New function.
16164 (ggc_page_print_statistics): New function.
16165 * ggc-simple.c (ggc_get_size): New function.
16167 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
16169 * flow.c (propagate_block): When the last reference to a label
16170 before an ADDR_VEC is deleted because the reference is a dead
16171 store, delete the ADDR_VEC.
16173 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
16175 * resource.c (find_free_register): Don't use the frame pointer
16176 if frame_pointer_needed.
16178 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
16180 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
16181 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
16183 * config/i960/i960.c (i960_va_start): New locals base, num.
16184 Use INDIRECT_REF instead of ARRAY_REF on valist.
16185 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
16187 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
16189 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
16191 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
16193 * tree.def (PLACEHOLDER_EXPR): Update comments.
16195 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16197 * c-common.c (check_format_info): Avoid non-literal format string
16198 warnings when `first_arg_num' is zero.
16200 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16202 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
16204 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
16206 * arm.md (casesi_insn): Add a clobber of the condition code
16209 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
16211 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
16212 used by both cc1 and cc1plus.
16214 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
16216 * config/arm/arm.c: Initialise arm_structure_size_boundary to
16217 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
16218 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
16219 to the value 32 if it has not already been defined.
16220 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
16221 Override definition in arm.h with a value of 8.
16223 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
16225 * c-pragma.c (push_alignment): Don't check the return value
16228 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
16230 * sparc.h (ADJUST_COST): Fix thinko.
16232 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
16234 * cccp.c (rescan): Fixed obp pointer handling around call to
16235 check_expand subroutine.
16237 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
16239 * gcse.c (delete_null_pointer_checks): Only record non-null info
16240 for pseudos when examining stores.
16242 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
16243 splitters for these patterns. Use "#" for output templates.
16244 (addsi3_carryin_shift): New pattern.
16246 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
16248 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
16249 of the function return register into a plain REG until
16250 after function inlining is done.
16252 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
16254 * jump.c (jump_optimize_1): If we did cross-jumping, and
16255 the data will matter, rebuild the CFG.
16256 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
16257 not optimizing. Don't run shorten_branches.
16258 * toplev.c (rest_of_compilation): Run shorten_branches after
16261 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
16263 * rtl.h (note_stores): Add additional paramter.
16264 * rtlanal.c (reg_set_p_1): Take additional paramter.
16265 (reg_set_last_1): Likewise.
16266 (reg_set_p): Adjust call to note_stores.
16267 (reg_set_last): Likewise.
16268 (note_stores): Pass data parameter to worker function.
16269 * alias.c (record_set): Take additional parameter.
16270 (init_alias_analysis): Pass it.
16271 * caller-save.c (mark_set_regs): Take additional parameter.
16272 (save_call_clobbered_regs): Pass NULL to note_stores.
16273 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
16275 (record_dead_and_set_regs_1): Likewise.
16276 (reg_dead_at_p_1): Likewise.
16277 (combine_instructions): Adjust calls to note_stores.
16278 (try_combine): Likewise.
16279 (record_dead_insn): Remove.
16280 (record_dead_and_set_regs): Adjust calls to note_stores.
16281 (reg_dead_at_p): Likewise.
16282 * cse.c (invalidate_skipped_set): Take additional parameter.
16283 (cse_check_loop_start): Likewise.
16284 (cse_check_loop_start_value): Remove.
16285 (cse_set_around_loop): Adjust calls to note_stores.
16286 * flow.c (notice_stack_pointer_modification): Take additional
16287 parameter. Remove duplicate declaration.
16288 (record_volatile_insns): Adjust calls to note_stores.
16289 * gcse.c (record_set_info): Take additional parameter.
16290 (record_last_set_info): Likewise.
16291 (invalidate_nonnull_info): Likewise.
16292 (record_set_insn): Remove.
16293 (compute_sets): Adjust calls to note_stores.
16294 (last_set_insn): Remove.
16295 (compute_hash_table): Adjust calls to note_stores.
16296 (insert_insn_end_bb): Likewise.
16297 (delete_null_pointer_checks): Likewise.
16298 * global.c (mark_reg_store): Take additional parameter.
16299 (mark_reg_clobber): Likewise.
16300 (reg_becomes_live): Likewise.
16301 (global_conflicts): Adjust calls to note_stores.
16302 (build_insn_chain): Likewise.
16303 * integrate.c (note_modified_parmregs): Take additional parameter.
16304 (mark_stores): Likewise. Make it static.
16305 (save_for_inline_nocopy): Adjust calls to note_stores.
16306 (try_constants): Likewise.
16307 * integrate.h (mark_stores): Remove declaration.
16308 * jump.c (mark_modified_reg): Take additional parameter.
16309 (thread_jumps): Adjust calls to note_stores.
16310 * local-alloc.c (validate_equiv_mem_from_store): Take additional
16312 (no_equiv): Likewise.
16313 (reg_is_set): Likewise.
16314 (validate_equiv_mem): Adjust calls to note_stores.
16315 (update_equiv_regs): Likewise.
16316 (block_alloc): Likewise.
16317 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
16318 (note_addr_stored): Take additional parameter.
16319 (note_set_pseudo_multiple_uses): Likewise.
16320 (record_initial): Likewise.
16321 (prescan_loop): Adjust calls to note_stores.
16322 (strength_reduce): Likewise.
16323 (check_dbra_loop): Likewise.
16324 * regmove.c (flags_set_1): Take additional paramter.
16325 (mark_flags_life_zones): Adjust calls to note_stores.
16326 * reload1.c (mark_not_eliminable): Take additional parameter.
16327 (forget_old_reloads_1): Likewise.
16328 (reload_cse_invalidate_rtx): Likewise.
16329 (reload_cse_check_clobber): Likewise.
16330 (reload_combine_note_store): Likewise.
16331 (move2add_note_store): Likewise.
16332 (reload): Adjust calls to note_stores.
16333 (reload_as_needed): Likewise.
16334 (emit_reload_insns): Likewise.
16335 (reload_cse_regs_1): Likewise.
16336 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
16337 (reload_combine): Adjust calls to note_stores.
16338 * resource.c (update_live_status): Take additional paramter.
16339 (mark_target_live_regs): Adjust calls to note_stores.
16340 * stupid.c (find_clobbered_regs): Take additional parameter.
16341 (stupid_life_analysis): Adjust calls to note_stores.
16343 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
16345 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
16348 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
16351 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
16352 of the variable arm_structure_size_boundary.
16354 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
16356 * alias.c (init_alias_analysis): Allocate reg_known_value and
16357 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
16359 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
16360 * cse.c (cse_main): Call end_alias_analysis.
16361 * haifa-sched.c (schedule_insns): Likewise.
16362 * local-alloc. (update_equiv_regs): Likewise.
16363 * reload1.c (reload_cse_regs): Likewise.
16365 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16367 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
16368 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
16369 mapping from MASK_FPU.
16371 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
16373 * sparc.md (call): Don't bound structure return size to 0xfff.
16375 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
16377 * resource.c (mark_target_live_regs): Check that the target
16378 insn wasn't created after compute_bb_for_insn.
16380 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
16382 * ggc-page.c (poison_pages): Don't be overzealous.
16384 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
16386 * alias.c: Update comments for ADDRESS.
16387 (nonlocal_reference_p): Look inside the ADDRESS to determine if
16388 it is a local memory reference.
16390 * c-typeck.c (build_function_call): Check that the built-in
16391 function is of class BUILT_IN_NORMAL before trying to recongize
16392 it as BUILT_IN_ABS.
16393 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
16394 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
16396 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
16398 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
16400 (pre_gcse): Likewise.
16401 (hoist_expr_reaches_here_p): Likewise.
16402 (hoist_code): Likewise.
16403 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
16405 (pre_expr_reaches_here_p_work): ... here.
16406 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
16408 (expr_reaches_here_p_work): ... here.
16410 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
16412 * resource.c (find_basic_block): Delete.
16413 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
16414 (init_resource_info): Call compute_bb_for_insn.
16416 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
16418 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
16419 with already adjacent blocks, but no fallthru.
16420 (merge_blocks_move_successor_nojumps): Simplify.
16421 (debug_flow_info): New.
16423 * toplev.c (rest_of_compilation): Open jump1 dump file before
16424 jump and close after, as opposed to just using dump_rtl.
16426 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16428 * reload.h (earlyclobber_operand_p): Declare.
16429 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
16430 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
16431 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
16432 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
16434 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
16435 Richard Henderson <rth@cygnus.com>
16437 * emit-rtl.c (emit_block_insn_before): New.
16438 (emit_block_insn_after): New.
16439 * basic-block.h: Declare them.
16441 * bitmap.h: Protect from multiple inclusion.
16443 * recog.c (scratch_operand): Handle VOIDmode correctly.
16445 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
16447 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
16448 * function.c (assign_parms): Likewise.
16449 * global.c (global_conflicts): Clarify STACK_REGS commentary.
16451 * reg-stack.c (max_uid): Remove.
16452 (blocks, block_begin, block_end, block_drops_in): Remove.
16453 (block_stack_in, block_out_reg_set, block_number): Remove.
16454 (struct block_info_def, BLOCK_INFO): New.
16455 (enum emit_where): New.
16456 (current_block): New.
16457 (BLOCK_NUM): Remove.
16458 (mark_regs_pat, record_label_references): Remove.
16459 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
16461 (goto_block_pat, print_blocks, dump_stack_info): Remove.
16462 (reg_to_stack): Simplified test for existance of fp code. Use
16463 flow.c code. Call shorten_branches after cross-jump opt.
16464 (check_asm_stack_operands): Renamed from record_asm_reg_life.
16465 Return false if the asm doesn't use stack regs. Don't do life
16466 analysis on the asm.
16467 (emit_pop_insn): Replace function pointer arg `when' with
16468 enum `where'. Update all callers.
16469 (change_stack): Likewise. Update basic block end.
16470 (emit_swap_insn): Use current_block->head to limit reverse search
16471 for start of block. Use emit_block_insn_after.
16472 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
16473 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
16474 structure assignment instead of bcopy.
16475 (print_stack): New.
16476 (convert_regs_entry, convert_regs_exit): New.
16477 (convert_regs_1, convert_regs_2): Split out from convert_regs.
16478 Work on basic blocks and the CFG.
16479 (convert_regs): Use them.
16481 * i386.c (output_fix_trunc): Remove code for DImode input operand
16482 not at top-of-stack.
16483 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
16485 (fix_truncdi_1): Allow any mode scratch.
16487 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
16489 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
16490 * linux.h, netbsd.h, vms.h: Not here.
16492 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
16494 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
16495 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
16496 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
16497 CONDITIONAL_REGISTER_USEAGE): Use them.
16498 * config/mips/mips.c (mips_move_1word,mips_move_2words,
16499 gen_conditional_branch,override_options) : Use them.
16500 * config/mips/mips.md : Use them.
16502 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
16504 * i386.md (zero_extendqihi2): Use SImode register name with andl.
16506 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
16508 * integrate.c (function_cannot_inline_p): Don't allow inlining
16511 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16513 * c-parse.in (cast_expr): Constify.
16515 * cccp.c (special_symbol): Likewise.
16517 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
16519 * dwarf2out.c (base_type_die): Likewise.
16521 * global.c (allocno_compare): Likewise.
16523 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
16525 * regclass.c (fix_register): Likewise.
16527 * rtl.h (fix_register): Likewise.
16529 * stupid.c (stupid_reg_compare): Likewise.
16531 * toplev.c (decode_f_option): Likewise.
16533 * tree.c (build_complex_type): Likewise.
16535 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
16537 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
16539 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16541 * reload.c (find_reloads): Compute mode and nregs fields of all
16543 * reload1.c (calculate_needs_all_insns): Simplify a bit.
16544 (calculate_needs): Use precomputed mode/nregs values.
16545 (allocate_reload_reg): Likewise.
16547 (failed_reload, set_reload_reg): ... new functions.
16548 (choose_reload_regs_init): New function, mostly broken out from...
16549 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
16550 Also lose one #if 0 block.
16552 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
16554 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
16557 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
16559 * tree.h (BLOCK_TYPE_TAGS): Remove.
16560 (BLOCK_END_NOTE): Likewise.
16561 (BLOCK_LIVE_RANGE_FLAG): Likewise.
16562 (BLOCK_LIVE_RANGE_START): Likewise.
16563 (BLOCK_LIVE_RANGE_END): Likewise.
16564 (tree_block): Remove live_range_flag, live_range_var_flag, and
16565 type_tags. Remove end_note, live_range_start, and live_range_end.
16566 (remember_end_note): Remove prototype.
16567 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
16568 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
16570 * ggc-common.c (ggc_mark_tree_children): Don't mark
16571 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
16572 * integrate.c (adjust_copied_decl_tree): Remove.
16573 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
16574 * stmt.c (last_block_end_note): Remove.
16575 (init_stmt): Don't add a GC root for it.
16576 (expand_fixup): Don't set it.
16577 (remember_end_note): Remove.
16578 (expand_end_bindings): Don't set last_block_end_note.
16580 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16582 * reload1.c (reload_reg_free_for_value_p): Show
16583 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
16586 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
16588 * expmed.c (extract_bit_field): Allow for the case of non-integer
16589 objects that are smaller than a word (like SFmode on a 64-bit
16592 * loop.c (basic_induction_var): A non-integer variable which is
16593 being set by a paradoxical subreg is probably not a biv.
16595 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16597 * prefix.c (translate_name) Check for empty prefix string.
16599 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
16601 * Makefile.in (CPP_CROSS_NAME): New variable.
16602 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
16604 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
16605 names of the files to be uninstalled.
16607 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
16609 * collect2.c (IS_DIR_SEPARATOR): Define.
16610 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
16612 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
16615 * haifa-sched.c (add_dependence): Update the true dependency
16616 cache the first time we add a true dependence to the LOG_LINKS chain.
16618 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
16620 * fold-const.c (fold): Fix comment.
16622 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16624 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
16625 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
16626 dbxout_start_new_source_file, dbxout_source_file,
16627 dbxout_source_line, dbxout_finish, dbxout_type_fields,
16628 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
16630 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
16631 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
16632 (dbxout_block): Initialize variable `blocknum'.
16634 * dbxout.h (dbxout_init, dbxout_finish,
16635 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
16636 dbxout_args, dbxout_source_line): Constify a char*.
16638 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
16639 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
16640 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
16641 low_pc_attribute, high_pc_attribute, body_begin_attribute,
16642 body_end_attribute, comp_dir_attribute, sf_names_attribute,
16643 src_info_attribute, mac_info_attribute, producer_attribute,
16644 lookup_filename, generate_macinfo_entry, fundamental_type_code,
16645 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
16646 dwarfout_undef): Constify a char*.
16647 (add_incomplete_type, retry_incomplete_types): Add prototypes.
16649 * dwarfout.h (dwarfout_define, dwarfout_undef,
16650 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
16652 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
16654 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
16655 (MULTILIB_ISA_DEFAULT): New.
16656 (MULTILIB_DEFAULTS): Use it.
16657 * config/mips/mips.c (): Remove the now unnecessary definition
16658 of MIPS_ISA_DEFAULT.
16659 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
16660 unnecessary definition.
16662 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
16664 * arm.md (pic_load_addr): Add constraints to operand 1.
16666 1999-10-25 Bruce Korb <autogen@linuxbox.com>
16668 * fixinc/genfixes: Provide a means for specifying -D options to
16671 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
16673 * arm.c (arm_override_options): Correct initialization of
16674 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
16675 arm_is_strong, and arm_is_6_or_7.
16677 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
16678 (note_set_pseudo_multiple_uses): New function.
16679 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
16680 if a pseudo set in the loop exit is used elsewhere.
16682 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
16684 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
16686 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
16688 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
16689 a single load-address pattern.
16691 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
16693 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
16694 depending on whether or not line-number notes are present.
16696 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16698 * cccp.c (progname, file_buf, default_include, include_file,
16699 macrodef, definition, hashval, wchar_type, user_label_prefix,
16700 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
16701 expand_to_temp_buffer, is_system_include, base_name,
16702 absolute_filename, read_name_map, open_include_file,
16703 record_control_macro, check_precompiled, check_preconditions,
16704 pcfinclude, pass_thru_directive, create_definition,
16705 check_macro_name, comp_def_part, collect_expansion,
16706 check_assertion, read_token_list, assertion_install,
16707 assertion_lookup, eval_if_expression, conditional_skip,
16708 validate_else, skip_quoted_string, quote_string, macarg1,
16709 error_from_errno, install, lookup, hashf, dump_defn_1,
16710 perror_with_name, pfatal_with_name, main, trigraph_pcp,
16711 check_white_space, rescan, handle_directive, monthnames,
16712 special_symbol, do_include, remap_include_file, write_output,
16713 arglist, do_assert, do_unassert, do_line, do_error, do_once,
16714 do_ident, do_sccs, do_xifdef, skip_if_group,
16715 output_line_directive, macroexpand, macarg, change_newlines,
16716 initialize_builtins, make_definition): Constify a char*.
16718 * pcp.h (stringdef): Likewise.
16720 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
16722 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
16725 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
16726 Richard Henderson <rth@cygnus.com>
16728 * alias.c: Include ggc.h.
16729 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
16730 (record_set): Verify enough room in reg_base_value.
16731 (init_alias_analysis): Allocate reg_base_value with xcalloc.
16732 Register it as a GC root.
16733 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
16734 * Makefile.in (alias.o): Depend on ggc.h.
16736 * unroll.c (unroll_loop): Verify the insn before a barrier
16737 is a JUMP_INSN before checking JUMP_LABEL.
16739 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16741 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
16742 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
16743 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
16744 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
16745 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
16746 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
16748 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16750 * output.h (ctors_section, dtors_section, bss_section): Prototype.
16752 * alpha/alpha-interix.h (text_section): Delete prototype.
16753 * alpha/elf.h (text_section): Likewise.
16754 * arm/linux-elf.h (text_section): Likewise.
16755 * arm/linux-telf.h (text_section): Likewise.
16756 * c4x/c4x.h (text_section): Likewise.
16757 * dsp16xx/dsp16xx.h (bss_section): Likewise.
16758 * elfos.h (text_section): Likewise.
16759 * i386/aix386ng.h (text_section): Likewise.
16760 * i386/i386-interix.h (text_section): Likewise.
16761 * i386/sco5.h (text_section): Likewise.
16762 * i386/svr3gas.h (text_section): Likewise.
16763 * nextstep.h (text_section): Likewise.
16764 * psos.h (text_section): Likewise.
16765 * ptx4.h (text_section): Likewise.
16766 * svr3.h (text_section): Likewise.
16767 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
16769 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16771 * final.c (peephole): Delete prototype.
16773 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
16774 (pre_insert_copies): Remove unused variable `bb'.
16776 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
16779 * output.h (peephole): Add prototype.
16781 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
16783 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
16786 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
16788 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
16789 for inlined declarations.
16791 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
16793 * arm.c (logical_binary_operator): New fucntion.
16794 * arm.h (logical_binary_operator): Declare it.
16795 (PREDICATE_CODES): Handle logical_binary_operator.
16796 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
16797 output constraints. Add appropriate splitters.
16798 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
16799 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
16800 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
16802 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16804 * genoutput.c (struct operand_data): New elt eliminable.
16805 (output_operand_data): Write it.
16806 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
16807 (compare_operands): Take it into account.
16808 * recog.h (struct insn_operand_data): New elt eliminable.
16809 * reload1.c (check_eliminable_occurrences, elimination_effects): New
16811 (old_asm_operands_vec, new_asm_operands_vec): Delete.
16812 (eliminate_regs): Move code that detects changes to elimination
16813 target regs into new function elimination_effects.
16814 Delete one #if 0 block.
16815 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
16816 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
16817 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
16818 Only call eliminate_regs for real operands of the insn, not for parts
16819 of its structure or parts matched by things like match_operator.
16820 Use elimination_effects and check_eliminable_occurrences. Use
16821 copy_insn to duplicate the pattern when not in the final pass.
16823 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
16825 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
16828 1999-10-22 Bruce Korb <autogen@linuxbox.com>
16830 * fixinc/README: document the "mach" machine matching test
16831 * fixinc/fixfixes.c: Implement the #else/#endif label fix
16832 * fixinc/fixtests.c: Implement the #else/#endif label test
16833 * fixinc/inclhack.def: utilize these tests and fixes
16834 * fixinc/inclhack.sh: regen
16835 * fixinc/fixincl.x: regen
16836 * fixinc/fixincl.sh: regen
16838 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
16840 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
16843 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
16845 * gcc.1: Document exit codes.
16847 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16849 * calls.c: Include tm_p.h later, so everything we need is defined.
16850 * expr.c: Likewise.
16851 * function.c: Likewise.
16853 * except.c: Include tm_p.h.
16855 * sparc.c: Likewise.
16856 (dwarf2out_cfi_label): Don't prototype.
16857 (check_return_regs, epilogue_renumber,
16858 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
16859 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
16860 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
16861 ultra_schedule_insn): Add static prototype.
16862 (data_segment_operand, text_segment_operand): Call itself with the
16863 proper number of arguments.
16864 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
16866 * sparc.h: Move all declarations to sparc-protos.h.
16867 (SELECT_RTX_SECTION): Pass a missing MODE argument to
16870 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
16872 * config/svr4.h (text_section, ctors_section, dtors_section): Add
16874 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
16875 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
16876 ASM_OUTPUT_ASCII): Constify a char*.
16878 * sparc-protos.h: New file for sparc prototypes.
16880 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16882 * function.c (record_insns, contains): Always declare and define.
16883 (record_insns): Mark with ATTRIBUTE_UNUSED.
16885 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
16887 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
16888 to .section when outputting a .bss section to deal with multiple
16889 .bss input sections (as happens with -fdata-sections)
16890 Also output %progbits, not @progbits so the assembler doesn't treat as
16892 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
16894 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
16895 thumb parts even when building with non-thumb CPUs, by forcing
16898 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
16900 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
16901 (movdf_const_intreg_sp64): Similarly.
16903 * local-alloc.c (update_equiv_regs): Check the correct insn
16904 for pre-existing REG_EQUIV notes.
16906 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
16908 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
16909 block reached by a branch if we're not going to actually process
16912 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
16914 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
16915 a local extern function declaration.
16917 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
16919 * i386.c (ix86_expand_prologue): Properly wrap USE around
16920 reg for CALL_INSN_FUNCTION_USAGE.
16922 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
16924 * config/mips/mips.md (movdf_internal1a): Allow floating-point
16925 move between GP_REGs.
16927 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
16929 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
16930 the mode size when finding out if an offset is legal.
16932 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
16934 * basic-block.h (PROP_*): Move constants from ...
16935 * flow.c: ... here.
16936 (compute_bb_for_insn): Free the array before reallocating.
16937 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
16938 (allocate_reg_life_data): Reset all reg variables collected by
16940 (get_block_head_tail): Don't convert from bb to block.
16941 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
16942 (find_insn_reg_weight): Take block not bb.
16943 (schedule_block): Don't set block num for moved insns.
16944 (schedule_region): Don't update_life_info or find_insn_reg_weight.
16945 (schedule_insns): Do it here instead.
16946 * combine.c (combine_instructions): Invoke compute_bb_for_insn
16947 before update_life_info.
16948 * recog.c (split_all_insns, peephole2_optimize): Update for
16949 new arg to update_life_info.
16950 * rtlanal.c (remove_note): Cope with NULL note.
16951 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
16954 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
16956 * jump.c (jump_optimize_1): More accurately detect casesi insns.
16958 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
16959 block records so that merge_blocks_nomove will clean up correctly.
16960 (split_edge): Handle casesi insns.
16962 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
16964 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
16966 * pa.md (call, call_value): Do not emit a blockage after restoring
16969 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
16971 * c-typeck.c (c_expand_asm_operands): Fix typo.
16973 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16975 * arm.c (fpu_rhs_operand): Verify modes.
16976 (fpu_add_operand): Likewise.
16977 (di_operand): Likewise.
16978 (soft_df_operand): Likewise.
16980 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
16982 * arm.c (arm_return_in_memory): APCS rules state that the elements
16983 of a structure returned in a register must be 'integer-like'.
16985 1999-10-19 Bruce Korb <autogen@linuxbox.com>
16987 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
16988 in the source tree when the generated targets are out of date
16989 * fixinc/genfixes: Alter it to run individual fixes for make.
16990 * fixinc/README: rewrite
16991 * fixinc/inclhack.def: moved initial comments to README
16993 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
16995 * toplev.c (main): Do not generate an error message if an
16996 unrecognised command line switch is recognisable by another
16997 language. If extra_warnings are enabled, then generate a
16998 warning message instead.
17000 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
17002 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
17003 (insert_pack_attributes): Delete prototype.
17005 * c-pragma.c (default_alignment): New static variable.
17006 (push_alignment): Initialize to current effective alignment.
17007 (pop_alignment): Use to set new alignment.
17008 (insert_pack_attributes): Delete function.
17009 (handle_pragma_token): Set default_alignment as well each time
17010 a #pragma pack(<n>) is encountered.
17012 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
17014 * reg-stack.c (stack_result): Aggregates are not returned in
17017 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
17019 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
17021 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
17023 * basic-block.h (set_block_num): Declare.
17024 * flow.c (update_life_info): Don't call compute_bb_for_insn
17025 or free_basic_block_vars.
17026 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
17027 (insn_orig_block): Remove.
17028 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
17029 (schedule_block): Keep BLOCK_NUM up-to-date.
17030 (schedule_insns): Use compute_bb_for_insn.
17031 * recog.c (split_all_insns): Likewise.
17032 (peephole2_optimize): Likewise.
17034 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
17036 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
17037 if the pic register is used.
17039 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17041 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
17042 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
17043 if that tests TREE_PERMANENT.
17045 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
17047 * cse.c (invalidate_for_call): Do not remove memory references from
17048 the table here. It's handled elsewhere.
17050 * haifa-sched.c (add_dependence): Protect references to the
17051 true dependency cache with #ifdef INSN_SCHEDULING.
17052 (remove_dependence): Similarly.
17054 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
17055 to the cfg code that this is a return instruction.
17056 * mn10300.md (return_internal): Similarly.
17058 * combine.c (get_last_value): If the last set of a register
17059 is after subst_low_cuid, then we can not use it to determine
17060 the register's last value.
17062 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
17064 * Makefile.in: Back out previous change.
17066 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
17068 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
17070 * haifa-sched.c (add_dependence): Only check/update the cache
17072 (remove_dependence): Likewise.
17073 (schedule_insns): Only create the true_dependency_cache if the
17074 average number of instructions in a basic block is very large.
17076 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
17078 * Makefile.in (ggc-common.o): Depend on genrtl.h.
17079 (ggc-simple.o): Likewise.
17080 (ggc-page.o): Likewise.
17082 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
17084 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
17085 Prototype for exported functions.
17086 (pre_lcm, pre_rev_lcm): Remove prototypes.
17087 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
17088 (compute_available): Move to lcm.c, and change parameter order.
17089 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
17090 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
17091 (gcse_main): No longer call compute_preds_succs. Rebuild the
17092 set table after reach pre pass.
17093 (pre_insert_map, pre_delete_map, edge_list): New.
17094 (alloc_pre_mem): Allocate edge vectors.
17095 (free_pre_mem): Delete edge vectors.
17096 (compute_pre_data): Call new edge based lcm routines.
17097 (process_insert_insn): New function.
17098 (insert_insn_end_bb): Use it.
17099 (pre_edge_insert): New function.
17100 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
17102 (pre_insert_copies): Revamp using new edge based lcm outputs.
17103 (pre_delete): Likewise.
17104 (one_pre_gcse_pass): Insert & remove fake edges to the exit
17106 (compute_code_hoist_vbeinout): New new edge based routines.
17107 * lcm.c: Remove all the old LCM functions. Replace with new ones
17108 that work with the new cfg datastructures and work with edges
17111 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17113 * reload.h (struct reload): Add new fields "mode" and "nregs".
17114 * reload1.c: Change all occurrences of reload_mode and reload_nregs
17115 to reference the "mode" and "nregs" field within struct reload.
17117 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
17119 * haifa-sched.c (true_dependency_cache): New.
17120 (add_dependence): Use the true dependency cache to avoid expensive
17121 walks down the LOG_LINKS dependency list. Add entries to the
17122 cache as necessary.
17123 (remove_dependence): Remove entries from the true dependency cache
17125 (schedule_insns): Allocate and initialize and free the true
17128 * haifa-sched.c (schedule_insns): Do not remove inter-block
17129 dependencies anymore.
17131 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
17133 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
17134 * i386/t-winnt: Likewise.
17136 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
17138 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
17140 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
17142 * Makefile.in (LANGUAGES): Omit "proto".
17143 (clean): Remove stale comment about removing unprotoize.c.
17145 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17147 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
17148 using arithmetic on void pointers.
17150 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
17152 * haifa-sched.c (compute_block_forward_dependencies): Only check
17153 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
17155 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
17157 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
17158 (expr_equiv_p): Reject memories with different alias sets.
17160 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
17162 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
17163 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
17164 (f_options): Add "bounded-pointers" and "bounds-check" entries.
17165 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
17166 (lang_init): Set default for flag_bounds_check if still "unspecified".
17168 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17170 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
17172 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17174 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
17177 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17179 * config/c4x/c4x.md (*db_noclobber,
17180 *decrement_and_branch_until_zero_noclobber): New patterns and
17181 associated splitters.
17183 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17185 * config/c4x/c4x.md (parallel instruction patterns): Rework
17186 constraints to keep reload happy.
17188 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17190 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
17191 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
17192 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
17193 Add new patterns and associated post-reload splitters.
17195 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17197 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
17199 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17201 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
17203 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
17205 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17207 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
17210 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
17212 * pa.c (move_operand): Rely on memory_address_p to determine the
17213 validity of non-indexed memory addresses.
17214 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
17215 operand in DFmode and SFmode when generating PA2.0 code.
17217 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
17219 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
17221 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
17223 * mips.c (function_prologue): Fix argument types.
17224 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
17225 (casesi_internal): Write to the scratch register.
17227 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
17229 * cppexp.c (cpp_parse_escape): Make static. Change second arg
17231 (parse_charconst): Delete unnecessary cast when calling
17233 (cpplib.h): Kill prototype of cpp_parse_escape.
17235 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
17237 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
17238 * unroll.c (unroll_loop): Cast return value of alloca.
17239 * i370/i370.c: Include function.h and toplev.h.
17240 (i370_label_scan): Remove c++ commented abort.
17241 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
17242 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
17243 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
17244 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
17246 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
17248 * config/t-freebsd: Do not override USER_H.
17249 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
17251 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
17252 Mumit Khan <khan@xraylith.wisc.edu>
17254 * c-parse.in (component_decl): Support anonymous struct/union.
17256 * c-parse.y: Regenerate.
17257 * c-parse.c: Likewise.
17258 * objc/objc-parse.y: Likewise.
17259 * objc/objc-parse.c: Likewise.
17260 * c-decl.c (finish_struct): Don't sort the fields.
17261 (field_decl_cmp): Delete unused function.
17263 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
17265 * sparc.md (movsf_const_intreg): Revert last constraint change.
17266 (movdf_const_intreg_sp32): Likewise.
17268 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
17270 * cse.c: Include hashtab.h instead of splay-tree.h
17271 (struct cse_reg_info): No longer use variant union. Add new
17272 field "regno". All references changed to avoid union.
17273 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
17274 (free_cse_reg_info): Remove.
17275 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
17276 (get_cse_reg_info): Revamp to use expandable hash tables instead
17277 of splay trees. Initialize new fields in cse_reg_info structure.
17278 (new_basic_block): Similarly.
17280 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
17282 * genrecog.c (message_with_line): Prototype.
17283 (validate_pattern): Pass along the set for the dest, not a flag.
17284 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
17285 Check for PC/CC0 as sources.
17286 (nodes_identical): Check for children position match before
17287 allowing the combination.
17289 * rtl.c (read_rtx): Track line number across \\\n.
17291 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
17293 * mips.h (SPECIAL_MODE_PREDICATES): New.
17294 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
17295 (movdi+1, movsi+1): Add output reload constraint.
17296 (casesi_internal): Likewise. Fix commentary.
17297 (return_internal): Use pmode_register_operand.
17299 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
17301 * 1750a.md (movstrqi): Add missing output reload constraint.
17302 (call_value): Likewise.
17303 * a29k.md (cpxxx patterns): Add missing match_operator mode.
17304 (jmpfdec): Add missing inout reload constraint.
17305 * elxsi.md (addsi patterns): Add missing output reload constraint.
17306 (move from sp): Use @ alternates.
17307 (call_value): No constraint on output.
17308 * fr30.md (movsi_pop): Add missing output reload constraint.
17309 (movsf_constant_store): Likewise.
17310 (splits): Remove constraints.
17311 (subsi3): Add missing mode.
17312 * i370.md (cmpstrsi+1): Add missing output reload constraint.
17313 (call_value): Likewise.
17314 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
17315 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
17316 * m32r.md (movsicc_internal): Add output reload constraint.
17317 (movstrsi_internal): Add inout reload constraints.
17318 * m88k.h (reg_names): Don't declare.
17319 (SPECIAL_MODE_PREDICATES): New.
17320 * m88k.md (*): Use register_operand not reg_or_0_operand
17322 * mn10200.h (PREDICATE_CODES): New.
17323 * ns32k.md (ffs pattern): Add output reload constraint.
17324 * pdp11.md (sob pattern): Add inout reload constraint.
17325 * sh.md (splits): Remove constraints.
17326 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
17327 * v850.md (pattern_is_ok_for_epilogue): Likewise.
17328 * vax.md (jgequ pattern): Add inout reload constraint.
17330 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
17332 * configure.in (djgpp): Revert previous patch.
17333 * configure: Rebuit.
17334 * config/i386/djgpp.h: Revert previous patch.
17336 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
17338 * fixinc/inclhack.def: Restore patch lost during last merge of
17339 "no_bogosity" branch.
17340 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
17342 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
17344 * fixincludes: Add a HPUX 11 fix for inttypes.h.
17345 * fixinc/inclhack.def: Same.
17346 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
17348 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
17350 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
17351 as the base of a PLUS.
17353 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17355 * config/c4x/c4x.md: Define mode for remaining unspec operators.
17356 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
17358 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
17360 * pa.md (post_stw+1): Use pmode_register_operand.
17361 (dcacheflush, icacheflush): Likewise.
17363 * i386.md (movstricthi_1): Allow r/r.
17365 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
17367 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
17368 to (not (and (arg0) (arg1))). Similary for and.
17370 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
17371 fallthrough to associate code.
17372 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
17375 * combine.c (simplify_logical): Convert XOR to IOR if operands have
17376 no bits in common; remove XOR to ROTATE conversion.
17378 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17380 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
17382 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17384 * config/c4x/c4x.c (dst_operand): New.
17385 (PREDICATE_CODES): Update.
17386 * config/c4x/c4x.h (dst_operand): Declare it.
17387 * config/c4x/c4x.md: Define mode for each unspec usage.
17388 (move patterns): Use dst_operand predicate instead of src_operand.
17389 (movqi_update, movqf_update): Delete.
17391 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
17393 * recog.c (pmode_register_operand): New.
17394 * recog.h: Declare it.
17395 * genrecog.c (pred_codes): Likewise.
17396 (special_mode_pred_table): Likewise.
17397 (validate_pattern): Don't warn no mode for address_operand.
17399 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
17400 if the operand is not insn-like.
17402 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
17403 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
17405 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
17407 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
17409 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
17410 instead of general_operand in a SET_DEST. Use const_double_operand
17411 instead of an explicit test against CONST_DOUBLE.
17412 (movsf_const_lo): Add missing register mode.
17413 (goto_handler_and_restore): Add auxiliary test for Pmode.
17414 (flush): Adjust to use address_operand.
17415 (return_sf_no_fpu): Add missing output constraint.
17417 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
17419 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
17420 for call return value.
17421 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
17423 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
17425 * toplev.c (main): Only warn about options for other languages.
17426 * collect2.c (main): Pass -w to sub-gcc.
17428 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
17430 * flow.c (propagate_block): Add call-clobbered registers to
17433 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
17434 zapping mem_set_list.
17435 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
17436 (mark_set_1, mark_used_regs): Likewise.
17438 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
17440 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
17442 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17444 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
17445 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
17446 options. Also add a new item "C-only Warning Options" to the
17449 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
17451 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
17452 from multiple calls.
17454 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
17456 * i386.md (call value patterns): Move to the end of the file.
17457 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
17459 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
17461 * configure.in (djgpp configuration): Define extra_objects..
17462 * configure: Rebuilt.
17463 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
17464 (DTORS_SECTION_ASM_OP): Define.
17465 (INIT_SECTION_ASM_OP): Define.
17466 (FINI_SECTION_ASM_OP): Define.
17467 (DATA_SECTION_ASM_OP): Define.
17468 (TEXT_SECTION_ASM_OP): Define.
17469 (EH_FRAME_SECTION_ASM_OP): Define.
17470 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
17471 (STARTFILE_SPEC): Add crtbegin.o.
17472 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
17473 to here from LINK_COMMAND_SPEC.
17474 (DO_GLOBAL_CTORS_BODY): Define.
17475 (CRTSTUFF_USE_FINI_SECTION): Define
17476 (HAS_INIT_SECTION): Delete.
17478 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
17480 * Makefile.in (all.cross): Depend on xcpp$(exeext).
17482 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
17484 * pa.h (PREDICATE_CODES): New.
17486 * genrecog.c (validate_pattern): Condense the destination
17487 non-lvalue message.
17489 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
17491 * alpha.md (call-1): Supply missing mode for operator.
17492 (*): Add missing output reload constraints. Remove constraints
17493 from define_splits.
17495 * i386.h (SPECIAL_MODE_PREDICATES): New.
17496 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
17497 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
17498 (addsi_lea_3): Add missing mode for op 3.
17499 (prologue_set_got, prologue_get_pc): Add missing modes.
17500 (*) Add missing output reload constraints.
17502 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
17504 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
17505 check for member bit-size overflow and use var_size if it occurs.
17506 (layout_record): Use bitsize_int() to define the type size in bits.
17507 Likewise for computation and assignment to DECL_FIELD_BITPOS.
17508 (layout_decl): Likewise when assigning to DECL_SIZE.
17510 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
17512 * genrecog.c (validate_pattern): Typo last change. Verify
17513 that output operands have output reloads.
17515 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
17517 * genrecog.c (special_mode_pred_table): New.
17518 (NUM_SPECIAL_MODE_PREDS): New.
17519 (find_operand): New.
17520 (validate_pattern): New argument `insn'. Warn for assignment to
17521 any predicate accepting non-lvalues. Conditionaly warn for
17522 match_operand without a mode. Try much harder to match source
17523 and destination modes on a set.
17524 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
17526 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
17528 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
17530 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
17532 * combine.c (simplify_logical): Recognize xor pattern that encodes
17535 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17537 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
17540 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
17542 * ggc-page.c (MAP_FAILED): Provide default.
17544 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
17546 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
17547 * sparc.h (PREDICATE_CODES): Update.
17549 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
17551 * alpha.c (some_ni_operand): New.
17552 * alpha-protos.h: Declare it.
17553 * alpha.h (PREDICATE_CODES): Update.
17554 * alpha.md (sXaddq reload insns): Use some_ni_operand
17555 for SET_DEST instead of some_operand.
17557 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
17558 Jim Wilson <wilson@cygnus.com>
17560 * genrecog.c (maybe_both_true_2): Don't compare modes of
17562 (process_tree): Elide peephole2_insns. Invoke simplify_tests
17563 after find_afterward.
17564 (debug_decision_1): Dump next and afterward codes.
17566 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
17568 * rtl.c (dump_and_abort): Remove.
17569 (fatal_with_file_and_line): New.
17570 (fatal_expected_char): New.
17571 (read_rtx_lineno, read_rtx_filename): New.
17572 (read_skip_spaces): Track line number.
17573 (read_name): Use fatal_with_file_and_line.
17574 (read_rtx): Use fatal_expected_char. Track line number.
17575 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
17577 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
17578 if it isn't a CODE_LABEL.
17580 * genattr.c (main): Set read_rtx_filename.
17581 * genattrtab.c (main): Likewise.
17582 * gencodes.c (main): Likewise.
17583 * genconfig.c (main): Likewise.
17584 * genemit.c (main): Likewise.
17585 * genextract.c (main): Likewise.
17586 * genflags.c (main): Likewise.
17587 * genopinit.c (main): Likewise.
17588 * genoutput.c (main): Likewise.
17589 * genpeep.c (main): Likewise.
17591 * genrecog.c (decision_test.u.insn): Add `lineno'.
17592 (pattern_lineno, error_count): New variables.
17593 (message_with_line): New.
17594 (add_to_sequence): Break out checking code to ...
17595 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
17596 (merge_insn): Use message_with_line.
17597 (make_insn_sequence): Use validate_pattern. Record insn lineno.
17598 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
17600 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17602 * expr.c (store_constructor): Clear union if constructor is empty.
17604 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
17606 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
17607 Add !endian checks. Change %{...} to %(...).
17609 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
17611 * i386.md (*addsi3_cc): Renamed from addcsi3.
17612 (*addsi3_carry): Renamed from addxsi3.
17613 (*subsi3_cc): Renamed from subcsi3.
17614 (*subsi3_carry): Renamed from subxsi3.
17615 (*xorqi_cc_1): Renamed from xorcqi_1.
17616 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
17617 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
17619 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
17621 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
17622 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
17624 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
17626 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
17627 climb up the chain of insns.
17629 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
17631 * genrecog.c (write_subroutine): Careful for null trees.
17632 (process_tree): Don't elide empty functions.
17634 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
17636 * Makefile.in (genrtl.o): Depend on ggc.h.
17637 * configure.in (valloc): Probe for it.
17638 (with-gc): Use ggc-page if valloc present.
17639 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
17640 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
17641 (ggc_alloc_string): Moved from ggc-page.c.
17642 * ggc-none.c (ggc_alloc_obj): New.
17643 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
17644 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
17645 (struct globals): Likewise for dev_zero_fd.
17646 (init_ggc): Likewise for it's initialization.
17647 (ggc_allocated_p): Move careful dereference from ...
17648 (ggc_lookup_page_table): ... here. Delete.
17649 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
17650 (alloc_anon): Use valloc if no mmap.
17651 (release_pages): Use free if using valloc.
17652 (ggc_alloc_obj): Renamed from alloc_obj.
17653 (ggc_set_mark): Renamed from mark_obj.
17654 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
17655 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
17656 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
17657 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
17658 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
17659 (ggc_collect): Use fp printing instead of our own rounding.
17660 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
17661 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
17662 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
17663 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
17664 (struct ggc_string, struct ggc_any): Delete.
17665 (offsetof): Provide default definition.
17666 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
17668 (struct ggc_mem): New, from corpse of ggc_any.
17669 (struct ggc_status): Delete.
17670 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
17671 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
17672 (n_strings_collected, n_anys_collected): Delete.
17673 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
17674 (ggc_alloc_string, ggc_alloc): Delete.
17675 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
17676 (ggc_free_string, ggc_free_any): Delete.
17677 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
17678 (ggc_compare_addresses, ggc_mark_string): Delete.
17679 (ggc_mark_string_if_gcable, ggc_mark): Delete.
17680 (search_data): Delete.
17681 (struct globals): New.
17682 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
17683 (tree_insert, tree_lookup): New.
17684 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
17685 (clear_marks, sweep_objs): New.
17686 (ggc_collect): Gut. Use clear_marks, sweep_objs.
17687 (init_ggc): Set allocated_last_gc.
17688 (ggc_push_context): Gut. Use G.context.
17689 (ggc_pop_context): Likewise.
17690 (ggc_pop_context_1): New.
17691 (debug_ggc_tree): New.
17692 (debug_ggc_balance, tally_leaves): New.
17693 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
17694 (ggc_mark_string_if_gcable): Remove decl.
17695 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
17696 (ggc_mark_rtvec_children): New.
17697 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
17698 (ggc_mark_if_gcable): New decl.
17699 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
17700 (ggc_alloc_tree, ggc_alloc): Likewise.
17701 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
17702 (ggc_alloc_obj): New decl.
17703 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
17704 (ggc_alloc_tree, ggc_alloc): Likewise.
17705 (ggc_set_mark): New decl.
17706 * rtl.h (struct rtx_def): Remove gc_mark.
17707 (struct rtvec_def): Likewise.
17708 * tree.h (struct tree_common): Likewise.
17710 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
17712 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
17713 float_format and thread_file definitions.
17714 * configure: Rebuilt.
17716 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
17718 * extend.texi (Function Names): Document types of function names.
17720 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17722 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
17723 an earlyclobbered output conflict with RELOAD_INPUT reloads.
17725 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17727 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
17729 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17731 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
17733 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
17735 * collect2.c (main): Do prelimnary link on AIX if rflag.
17737 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17739 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
17740 __CTOR_LIST__ in opposite order, which is the correct order for sorted
17742 (__do_global_dtors): similarly for __DTOR_LIST__.
17744 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17745 Diego Novillo <dnovillo@cygnus.com>
17747 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
17750 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
17752 * fixincl/*: Merged "no_bogosity" branch
17753 * fixincl/fixlib.h: protect against doubly defining t_bool
17754 * fixincl/server.h: protect against doubly defining t_bool
17756 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
17758 * genoutput.c: Include toplev.h.
17760 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
17762 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
17764 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
17765 * configure: Regenerate.
17767 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
17769 * gcse.c (delete_null_pointer_checks): Returns void.
17771 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17773 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
17774 * emit-rtl.c (copy_insn_1): Likewise.
17776 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
17778 * config/mips/mips.c (mips_build_va_list): Correct
17779 TREE_CHAIN setting when hard-float.
17780 (mips_va_start): Use corrected setting.
17781 (mips_va_arg): Likewise. Also pass a tree to build of
17782 POSTINCREMENT_EXPR rather than a naked 'int'.
17784 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
17786 * ggc.h (ggc_push_context): Fix comment.
17787 (ggc_pop_context): Likewise.
17788 (mark_string_if_gcable): Likewise.
17789 * ggc-common.c (ggc_mark_rtx_children): Use
17790 ggc_mark_string_if_gcable.
17791 * ggc-page.c (ggc_lookup_page_table): New function.
17792 (ggc_allocated_p): Likewise.
17793 (mark_obj): Fix formatting.
17794 (ggc_mark_string_if_gcable): New function.
17795 * ggc-simple.c (ggc_allocated_strings): New variable.
17796 (ggc_strings_used): Likewise.
17797 (ggc_compare_addresses): New function.
17798 (ggc_pop_context): Pop the `any' memory too.
17799 (ggc_mark_string_if_gcable): New function.
17800 (ggc_collect): Initialize and tear down ggc_allocated_strings.
17802 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
17804 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
17805 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
17806 * rs6000.c (expand_block_move): Match movstrsi_?reg register
17809 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
17811 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
17812 (sched_reg_live_length, sched_reg_basic_block): Delete.
17813 (current_block_num, bb_live_regs, old_live_regs): Delete.
17814 (dead_notes, struct sometimes): Delete.
17815 (sched_note_set, birthing_insn_p): Delete.
17816 (adjust_priority): Gut useless reg lifetime code.
17817 (create_reg_dead_note, attach_deaths): Delete.
17818 (attach_deaths_insn, new_sometimes_live): Delete.
17819 (finish_sometimes_live): Delete.
17820 (find_pre_sched_live, find_post_sched_live): Delete.
17821 (update_reg_usage): Delete.
17822 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
17823 (schedule_insns): Delete reg lifetime code.
17824 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
17825 (unlink_other_notes): Adjust REG_NOTE commentary.
17826 (reemit_notes): Use REG_SAVE_NOTE.
17827 (schedule_block): Likewise.
17828 (schedule_region): Allocate bitmap of blocks in region. Use
17829 count_or_remove_death_notes. Use update_life_info.
17831 * rtl.h (REG_SAVE_NOTE): New.
17832 * rtl.c (reg_note_name): Update.
17834 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
17836 * combine.c (refresh_blocks, need_refresh): New.
17837 (combine_instructions): Allocate refresh_blocks. Invoke
17838 update_life_info if needed.
17839 (distribute_notes): Mark refresh_blocks instead of installing
17841 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
17842 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
17844 * Makefile.in (recog.o): Depend on basic-block.h.
17846 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
17848 * genrecog.c (add_to_sequence): Thinko last change: delete
17849 shadowing allow_const_int variable.
17851 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17853 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
17854 __GNUC__ and __GNUC_MINOR__.
17856 * gansidecl.h: Likewise.
17862 * toplev.h: Likewise.
17864 * tree.c: Likewise.
17866 * tree.h: Likewise.
17868 * varray.c: Likewise.
17870 * varray.h: Likewise.
17872 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17874 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
17875 use one before a jump table.
17877 * rtl.def (ADDRESS): Change documentation to match reality.
17878 * md.texi: Don't document it.
17879 * gmicro.md (load address pattern): Use 'p' constraint, delete use
17882 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
17884 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
17886 * genrecog.c (add_to_sequence): Move allow_const_int test outside
17887 known predicate block; default allow_const_int true.
17888 (debug_decision_list): New.
17890 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
17892 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
17894 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
17896 * gcse.c (gcse_main): Avoid global optimizations if we have a
17897 large number of basic blocks and the ratio of edges to blocks
17899 (delete_null_pointer_checks): Likewise.
17901 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
17903 * c-common.c (check_format_info): Warn if format string isn't a
17906 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17908 * configure.in (arm*-*-*): Don't let autoconf remove brackets
17909 * configure: regenerate
17911 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
17913 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
17914 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
17915 (peepholes): Re-enable.
17917 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
17919 * Makefile.in (flow.o): Depend on TREE_H.
17920 * basic-block.h (REG_SET_EQUAL_P): New.
17921 (XOR_REG_SET): New.
17922 (n_edges): Declare.
17923 (free_regset_vector): Remove declaration.
17924 (flow_delete_insn_chain): Declare.
17925 (enum update_life_extent): New.
17926 (update_life_info, count_or_remove_death_notes): Declare.
17927 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
17928 Verify register live at bb->global_live_at_start before adding USE.
17929 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
17930 (CLEAN_ALLOCA): New.
17932 (PROP_*): New flags.
17933 (find_basic_blocks_1): Use alloc_EXPR_LIST.
17934 (clear_edges): Zero n_edges.
17935 (make_edge): Increment n_edges.
17936 (split_edge): Don't allocate bb->local_set. Increment n_edges.
17937 (flow_delete_insn_chain): Export.
17938 (delete_block): Decrement n_edges.
17939 (merge_blocks_nomove): Likewise.
17940 (life_analysis): Give life_analysis_1 PROP flags.
17941 (verify_wide_reg_1, verify_wide_reg): New.
17942 (verify_local_live_at_start): New.
17943 (update_life_info): Rewrite to call into propogate_block.
17945 (mark_regs_live_at_end): After reload, if epilogue as rtl,
17946 always mark stack pointer. Conditionally mark PIC register.
17947 After reload, mark call-saved registers, return regsiters.
17948 (life_analysis_1): Accept PROP flags not remove_dead_code.
17949 Call mark_regs_live_at_end before zeroing regs_ever_live.
17950 Use calculate_global_regs_live. Copy global_live_at_end before
17951 calling final propagate_block. Zero reg_next_use on exit.
17952 (calculate_global_regs_live): New.
17953 (allocate_bb_life_data): Don't allocate bb->local_set.
17954 (init_regset_vector, free_regset_vector): Remove.
17955 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
17956 Test flags before every operation. Warn if prologue/epilogue insn
17957 would have been deleted.
17958 (mark_set_regs, mark_set_1): Accept and use FLAGS.
17959 Use alloc_EXPR_LIST.
17960 (mark_used_regs): Accept and use FLAGS, not FINAL.
17961 Remove special handling for RETURN.
17962 (try_pre_increment): Use alloc_EXPR_LIST.
17963 (dump_flow_info): Dump n_edges.
17964 (unlink_insn_chain, split_hard_reg_notes): Remove.
17965 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
17966 (find_insn_with_note, new_insn_dead_notes): Remove.
17967 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
17968 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
17969 (replace_insns): Remove.
17970 (count_or_remove_death_notes): New.
17971 (verify_flow_info): Abort on error after all checks.
17972 (remove_edge): Decrement n_edges.
17973 (remove_fake_edges): Tweak format.
17974 * haifa-sched.c (schedule_insns): Use split_all_insns.
17975 * output.h (update_life_info): Remove declaration.
17976 * recog.c (split_all_insns): From the corpse of split_block_insns,
17977 do the whole function block by block. Use update_life_info.
17978 (recog_last_allowed_insn): New.
17979 (recog_next_insn): Mind it.
17980 (peephole2_optimize): Set it. Walk backwards through blocks.
17981 Use update_life_info.
17982 * rtl.h (update_flow_info, replace_insns): Remove declarations.
17983 (split_all_insns): Declare.
17984 * toplev.c (rest_of_compilation): Thread prologue before flow2.
17985 Use split_all_insns.
17987 * i386.md (or -1 peep2s): Disable.
17989 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
17991 * config/mips/mips.md (movstrsi+[123]) : Combine these into
17992 a single pattern. Scrap the 'd' versions as unnecessary.
17994 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
17995 tablejump_mips162,tablejump_internal4): The operands to a
17996 label_ref must be VOIDmode.
17998 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18000 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
18002 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
18004 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
18006 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
18008 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
18009 cache every function if ggc_p.
18011 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18013 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
18014 instead of copy_rtx. Accept sequences that contain asm statements.
18015 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
18016 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
18017 orig_asm_operands_vector, copy_asm_operands_vector,
18018 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
18020 * rtl.h (copy_insn, copy_insn_1): Declare.
18022 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18024 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
18026 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
18027 arguments to `current_file_function_operand'.
18029 * genrecog.c: Include hard-reg-set.h and resource.h in the
18030 generated output file.
18032 * real.c: Include tm_p.h.
18034 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18036 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
18039 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
18041 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
18042 before the fctiwz insn.
18044 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18045 Mark Mitchell <mark@codesourcery.com>
18047 * tree.c (make_lang_type_fn): New funtion pointer.
18048 (make_lang_type): Call it.
18049 * tree.h (make_lang_type): Declare.
18050 (make_lang_type_fn): Likewise.
18051 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
18053 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
18055 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
18056 make sure that HIGH instructions are copied into BASE_REGS.
18058 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
18060 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
18062 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
18064 * c-decl.c (finish_struct): Use simpler method of
18065 removing elements of a singly-linked list.
18067 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
18069 * alpha.md (peephole2's): Comment out peephole2's that generate
18072 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
18074 * genrecog.c (add_to_sequence): Disable mode check for
18077 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18079 * ggc-simple.c (init_ggc): Set empty_string.
18081 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
18083 * configure.in: Detect mmap. Add --with-gc=foo to select
18084 garbage collector; default to page if mmap available.
18085 * Makefile.in (GGC): Substitute.
18087 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
18089 * c-decl.c (ggc_p): Enable.
18091 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18093 * flow.c (verify_flow_info): Make it extern & unconditionally define.
18095 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
18097 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
18098 string for little-endian-data.
18100 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
18102 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
18103 case somebody tries to compile --enable-checking code with gcc
18106 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
18108 * genrecog.c (add_to_sequence): Verify operand to label_ref is
18111 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
18113 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
18114 * jump.c (jump_optimize_1): Document why.
18116 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18118 * collect2.c (scan_prog_file, scan_libraries): Prototype function
18119 pointers and casts for `int_handler' and `quit_handler'.
18121 * flow.c (verify_flow_info, split_hard_reg_notes,
18122 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
18123 remove_edge, remove_fake_successors): Add static prototypes.
18124 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
18125 (mark_set_1): Initialize variable `regno'.
18126 (unlink_insn_chain): Likewise for variable `curr'.
18127 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
18129 * loop.c (strength_reduce): Initialize variable
18130 `unrolled_insn_copies'.
18131 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
18132 prototypes. Change these functions to take const PTR parameters
18133 to avoid prototype conflict when used as the comparson argument
18135 (check_dbra_loop): Initialize variable `comparison_val'.
18137 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
18138 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
18139 (find_valid_class): Initialize variable `best_class'.
18140 (find_reloads): Call memcpy, not bcopy.
18142 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
18143 (hard_reg_use_compare): Don't needlessly cast away const.
18144 (reload_reg_class_lower): Likewise.
18145 (choose_reload_regs): Initialize variable `regno'.
18147 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
18149 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
18151 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
18153 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
18154 ({,d}discard): Add forward declarations. Declare parameter as
18156 (main_without_main): Explicitly declare return type to be int.
18157 (memcpy): Properly declare.
18159 * libgcc2.c (toplevel): If inhibit_libc is defined and not
18160 building the trampoline support, declare malloc, free, and
18162 (__clear_cache): Mark arguments as potentially unused.
18164 * frame.c (toplevel): If inhibit_libc is defined, declare
18167 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
18169 * flow.c (make_edge): Accept an optional 2D bitmap in which
18170 to cache edge existence. Update all callers.
18171 (make_label_edge, make_eh_edge): Pass through the edge cache.
18172 (make_edges): Provide the cache.
18174 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18176 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
18178 (local_mbtowc): Change the type of variable `i' from int to size_t.
18180 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
18181 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
18183 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
18185 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
18186 after other includes that define the appropriate types. Include
18187 tm_p.h for getting user prototypes.
18188 * ggc-callbacks.c (toplevel): Ditto.
18189 * ggc-none.c (toplevel): Ditto.
18190 * gcc-page.c (toplevel): Ditto.
18191 * ggc-simple.c (toplevel): Ditto.
18193 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
18194 Jonathan Larmour <jlarmour@cygnus.co.uk>
18196 * config/mips/mips.c (mips_move_2words): Split doubles if
18197 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
18199 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
18201 * genrecog.c (struct decision_test): New.
18202 (struct decision): Remove test-related members, sort the rest by size.
18203 (IS_SPLIT): Simplify.
18204 (new_decision, new_decision_test): New.
18205 (add_to_sequence): Use them. No special handling for args of
18207 (maybe_both_true): Renamed from not_both_true; return sense changed.
18208 (maybe_both_true_1, maybe_both_true_2): New. Broken out
18209 of maybe_both_true and adjusted for decision_test.
18210 (position_merit): Remove.
18211 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
18212 (merge_accept_insn): New, broken out of merge_trees.
18213 (merge_trees): Use them. No special case for c_test; no node
18214 splitting; use test type instead of position_merit.
18215 (factor_tests): New.
18216 (simplify_tests): New.
18217 (break_out_subroutines): Don't write code now.
18218 (find_afterward): New.
18219 (write_afterward, write_switch, write_cond): New.
18220 (write_action, is_unconditional): New.
18221 (write_node): New. Use them.
18222 (write_tree_1): Rewrite. Use the new functions above.
18223 (write_tree): Remove afterward processing.
18224 (write_subroutine): Simplify function variant emission.
18225 (write_subroutines): New.
18226 (same_codes, clear_codes): Remove.
18227 (same_modes, clear_modes): Remove.
18228 (write_header): New, broken out of main.
18229 (make_insn_sequence): Use new_decision and new_decision_test.
18230 (process_tree): New, broken out of main.
18231 (main): Adjust for merge_trees interface change.
18232 Don't #define operands in the output file.
18233 (record_insn_name): New, broken out of make_insn_sequence.
18234 (debug_decision_2, debug_decision_1, debug_decision_0): New.
18235 (debug_decision): New.
18237 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
18239 * resource.c (find_free_register): Mark class_str argument const.
18240 * resource.h: Update prototype to match.
18242 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
18243 * i386.md: Give all anonymous insns names.
18245 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
18247 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
18250 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
18252 * toplev.c (dbr_sched_time): Unconditional.
18253 (peephole2_time): New.
18254 (compile_file): Add pass numbers to all of the dump file suffixes.
18255 Dump peephole2_time. Don't dump times for non-applicable passes.
18256 (rest_of_compilation): Add pass numbers to dump file suffixes.
18257 Conditionalize calls to the scheduler.
18258 * invoke.texi: Update.
18260 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
18262 * flow.c (make_edges): Fix insn iteration.
18263 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
18264 (find_basic_blocks_1): Fix spelling mistake.
18266 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
18268 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
18269 always have side-effects. Use memset not bzero.
18270 (make_node): Likewise.
18272 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
18274 * stmt.c (expand_anon_union_decl): When any of the elements of the
18275 union is addressable, so is the entire union.
18277 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
18279 * sbitmap.c (sbitmap_ones): Don't set too many bits.
18281 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
18282 * bitmap.c (bitmap_operation): Return true iff TO changed.
18283 (bitmap_equal_p): New.
18284 (bitmap_bit_p): Tidy arithmetic.
18285 (debug_bitmap_file): Likewise.
18287 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
18289 * toplev.c (rest_of_compilation): Turn on cse_not_expected
18290 before cse2 instead of after.
18292 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
18294 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
18297 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18299 * cppinit.c (is_idchar initializer): Loosen tests to accept
18302 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
18304 * mips.md: Define conditional move patterns for floating point
18305 operands and DI mode conditions.
18307 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
18309 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
18310 always have side-effects.
18312 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
18314 * mn10200.c (asm_file_start): Fix typo.
18316 * cppinit.c (is_idchar initializer): Tighten tests for when
18317 to put the table into initialized memory.
18319 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
18320 not an array of rtunion.
18321 * gcc-page.c (ggc_alloc_rtvec): Similarly.
18322 * gcc-simple (ggc_free_rtvec): Similarly.
18324 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
18327 * mbchar.h: Add missing #endif.
18329 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
18330 (FPBIT, DPBIT): Define.
18332 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18334 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
18336 * profile.c (instrument_arcs, output_gcov_string,
18337 tablejump_entry_p): Add static prototypes.
18338 (output_gcov_string): Constify a char*.
18340 * regmove.c (replacement_quality, fixup_match_2): Add static
18343 * resource.h (reg_dead_p): Add extern prototype.
18345 * rtl.c (trim_filename): Add static prototype.
18347 * scan-decls.c (skip_to_closing_brace): Likewise.
18349 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
18350 (expand_end_case): Initialize variable `range'.
18351 (emit_case_nodes): Remove unused prototype `rtx_fn'.
18353 * varasm.c (asm_emit_uninitialised): Add static prototype.
18354 (asm_emit_uninitialised, assemble_variable): Mark parameter with
18357 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18359 * cpplib.c (if_directive_nameo): Add static prototype.
18361 * cse.c (cse_insn): Remove unused variable `p'.
18363 * except.c (create_rethrow_ref, push_entry,
18364 receive_exception_label, new_eh_region_entry, find_func_region,
18365 clear_function_eh_region, process_nestinfo): Add static prototypes.
18366 (get_reg_for_handler): Hide definition.
18367 (process_nestinfo): Initialize variable `extra_handlers'.
18369 * expr.h (expand_builtin_longjmp): Add extern prototype.
18371 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
18373 * function.c (prepare_function_start): Likewise.
18374 (pop_function_context_from): Mark parameter `context' with
18376 (push_temp_slots_for_block, flush_addressof): Hide definition.
18378 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
18379 solve_program_flow_graph, calculate_branch_probs,
18380 function_summary, main, fancy_abort): Add prototypes.
18382 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
18383 (add_hash): Constify a char*.
18385 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
18386 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
18387 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
18389 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
18391 * lists.c (free_list, zap_lists): Likewise.
18393 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18395 * alias.c (nonlocal_reference_p): Add static prototype.
18397 * bitmap.c (bitmap_element_allocate): Prototype args in function
18400 * builtins.c (stabilize_va_list): Add static prototype.
18401 (expand_builtin_va_arg): Constify a char*.
18403 * c-lex.c (getch, put_back, extend_token_buffer_to,
18404 read_line_number, token_getch, token_put_back): Add static
18407 * c-parse.gperf (hash, is_reserved_word): Likewise.
18409 * cccp.c (is_dir_separator): Likewise.
18411 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18413 * graph.h: New file to prototype functions exported by graph.c.
18415 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
18417 * graph.c: Include graph.h.
18419 * toplev.c: Likewise. Remove redundant prototypes.
18421 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
18423 * invoke.texi: Removed duplicated description for -Q.
18425 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
18427 * extend.texi: Grammar fix in __extension__ text.
18429 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
18431 * md.texi (define_peephole2): New section.
18433 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
18435 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
18436 (mov $-1 to or peepholer): Enable for pentium when optimizing for
18439 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
18441 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
18443 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
18445 * i386.md (ffs expander): Emit Pentium friendly code for
18448 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
18450 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
18452 (build1): Likewise.
18454 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18456 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
18458 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
18460 * config/m68k/m68k.c (use_return_insn): Return false if the pic
18461 register is in use.
18463 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18465 * md.texi (No Constraints): Delete section.
18466 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
18467 * final.c (final_scan_insn): We always have register constraints.
18468 * genattrtab.c: Don't include "insn-config.h".
18469 (write_attr_case): We always have register constraints.
18470 * genconfig.c (register_constraint_flag): Delete.
18471 (walk_insn_part): Don't check whether we have register constraints.
18472 (main): Don't write out "#define REGISTER_CONSTRAINTS".
18473 * genoutput.c (have_constraints): Delete.
18474 (main): Don't set it.
18475 (output_operand_data): We always have constraints.
18476 (scan_operands): Likewise.
18477 (compare_operands): Likewise.
18478 * local-alloc.c (block_alloc): We always have constraints.
18479 (requires_inout): Always compile this function.
18480 * recog.c (extract_insn): We always have constraints.
18481 (constrain_operands, reg_fits_class_p): Always compile these
18483 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
18485 (struct insn_operand_data): Likewise.
18486 * regclass.c (regclass): We always have constraints.
18487 (record_reg_classes, copy_cost, record_address_regs,
18488 auto_inc_dec_reg_p): Always compile these functions.
18489 * regmove.c (regmove_optimize): We always have constraints.
18490 * reload.c (find_reloads): Likewise.
18491 * reload1.c (reload): Likewise.
18492 (reload_cse_simplify_operands): Likewise.
18493 * i860.c (output_delay_insn): Likewise.
18495 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
18497 * iris6.h (BUILD_VA_LIST_TYPE): Define.
18499 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18501 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
18502 for the va_list record.
18504 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
18506 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
18509 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
18511 * alias.c: Include insn-flags.h.
18512 * Makefile.in (alias.o): Update.
18514 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
18516 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
18517 to LTU and GEU. Handle more cases using sbb.
18519 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
18521 * i386.md (truncatexfdf splitters): Do not use subreg.
18522 (fop XFmode patterns): Fix mode in operand testing.
18524 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
18526 * jump.c (jump_optimize_1): Amend last change to test only the
18527 form of the operand, not the insn.
18529 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
18530 not register_operand to determine when B may need preloading.
18532 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
18534 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
18535 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
18536 (call-value patterns): Move to end of file.
18537 (*): Remove mode from label_ref in (pc) context.
18538 (movstrqi): Use memory not general_operand for BLKmode operands.
18539 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
18540 to register_operand operands.
18541 (peep2 patterns): Convert from commented-out peephole patterns.
18543 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18545 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
18546 to BUILT_IN_INIT_DWARF_REG_SIZES.
18547 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
18548 Renamed from BUILT_IN_DWARF_REG_SIZE; call
18549 expand_builtin_init_dwarf_reg_sizes.
18550 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
18551 with __builtin_init_dwarf_reg_size_table.
18552 * dwarf2out.c (struct reg_size_range): Delete.
18553 (expand_builtin_init_dwarf_reg_sizes): New function.
18554 (expand_builtin_dwarf_reg_size): Delete.
18555 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
18556 (expand_builtin_dwarf_reg_size): Don't declare.
18557 * libgcc2.c (dwarf_reg_size_table_initialized): New.
18558 (dwarf_reg_size_table): New.
18559 (init_reg_size_table): New function.
18560 (copy_reg): Use dwarf_reg_size_table.
18561 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
18564 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
18566 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
18567 Correctly build argument list to constructor and destructor functions.
18569 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
18571 * c-tree.h (warn_float_equal): Declare.
18572 * c-decl.c (warn_float_equal): Define.
18573 (c_decode_option): Recognize -W[no-]float-equal.
18574 * c-typeck.c (build_binary_op): Conditionally warn
18575 about equality tests of floating point types.
18576 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
18577 * invoke.texi: Add docs for -Wfloat-equal warning.
18579 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
18581 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
18582 generating RTL directly.
18583 * mips.h (INIT_TARGET_OPTABS): Likewise.
18584 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
18586 * expr.h (init_mov_optab): Delete declaration
18588 * h8300.c (WORD_REG_USED): Update to avoid useless register
18589 saves in interrupt functions and functions which never return.
18591 * cse.c (struct set): Delete inner_dest_loc field.
18592 (cse_insn): Remove assignments to inner_dest_loc field.
18594 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
18596 * ggc-page.c: Don't include <unistd.h> etc taken care of
18597 by "system.h". Include <sys/mman.h> afterward.
18599 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
18601 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
18604 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
18606 * xcoffout.c (xcoffout_declare_function): Add documentation.
18607 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
18608 TARGET_64BIT. Compare constant to -1, not bit pattern.
18609 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
18610 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
18613 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
18615 * dwarf2out.c (add_abstract_origin_attribute): Abort if
18616 origin_die is NULL.
18617 (gen_inlined_enumeration_type_die): Do not abort if the type has
18618 not been writeen out.
18619 (gen_inlined_structure_type_die): Do not abort if the type has
18620 not been writeen out.
18621 (gen_inlined_union_type_die): Do not abort if the type has
18622 not been writeen out.
18623 (gen_tagged_type_instantiation_die): Do not abort if the type
18624 has not been written out.
18626 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18628 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
18630 * reg-stack.c (straighten_stack): Copy hard reg set with
18633 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
18635 * builtins.c (stabilize_va_list): Stabilize array type va_list
18636 to a pointer type, not the base record type.
18637 (expand_builtin_va_copy): Dereference the pointers explicitly;
18638 use the correct size for the copy.
18640 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
18641 (rs6000_va_arg): Likewise.
18643 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
18645 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
18647 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
18649 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
18651 (DECL_BUILT_IN_CLASS): Adjust accordingly.
18653 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
18655 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
18656 (init_ggc): Use it instead of a constant.
18657 (ggc_collect): Bound allocated_last_gc by it.
18659 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
18661 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
18664 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
18666 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
18667 (mips*-*-openbsd*): Let big endian configuration be a fragment.
18668 * configure: Regen.
18669 * config/mips/openbsd.h: New, OpenBSD little endian target.
18670 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
18671 * config/mips/xm-openbsd.h: New, OpenBSD host.
18673 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
18675 * config/m68k/m68k.c (output_function_prologue,
18676 output_function_epilogue): Use
18677 current_function_uses_pic_offset_table instead of regs_ever_live
18678 to decide whether to save/restore pic register.
18679 (legitimize_pic_address): Don't modify regs_ever_live any more.
18681 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
18683 * function.h (struct function): Add x_dont_save_pending_sizes_p.
18684 * stor-layout.c (variable_size): Don't add sizes to the pending
18685 sizes list if x_dont_save_pending_sizes_p is set.
18687 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
18689 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
18690 for symbolic_operand().
18691 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
18693 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18695 * combine.c (gen_rtx_combine): Add missing call to va_end().
18697 * final.c (asm_fprintf): Likewise.
18699 * genattrtab.c (attr_rtx): Likewise.
18701 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
18703 * cse.c: Update comments.
18704 (cse_insn): When converting a conditional/computed jump into
18705 an unconditional jump, always make sure a BARRIER immediately
18706 follows the converted jump. Do not delete unreachable code.
18707 (cse_basic_block): Do not delete unreachable code.
18708 * toplev.c (rest_of_compilation): Move call to
18709 delete_trivially_dead_insns after the conditional call to
18712 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18714 * collect2.c (make_temp_file): Don't prototype.
18716 * gcc.c (make_temp_file): Likewise.
18718 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
18720 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
18722 * varasm.c (asm_emit_uninitialised): New function: Generate
18723 the assembler statements necessary to declare an uninitialised
18725 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
18727 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
18728 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
18730 (assemble_variable): Use asm_emit_uninitialised to emit an
18731 uninitialised variable.
18733 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
18735 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
18736 constant on a 64 bit host. Patch supplied by Geoffrey Keating
18737 <geoffk@cygnus.com>.
18739 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18741 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
18742 * c-common.h (builtin_function): Don't declare.
18744 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
18746 (pushdecl): Likewise.
18747 (finish_decl): Likewise.
18748 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
18749 int. All callers changed.
18750 Set the builtin's DECL_BUILT_IN_CLASS.
18751 * tree.h (enum built_in_class): New.
18752 (enum built_in_function): Delete NOT_BUILT_IN.
18753 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
18755 (DECL_SET_FUNCTION_CODE): Likewise.
18756 (DECL_BUILT_IN_CLASS): New macro.
18757 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
18758 (struct tree_decl): Split builtin function code field into a
18760 (builtin_function): Declare.
18762 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
18764 * optabs.c (init_traps): Fix typo in last change.
18766 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
18768 * toplev.c (rest_of_decl_compilation): Update comment.
18770 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18772 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
18773 in .sbss if appropriate.
18774 (EXTRA_SECTION_FUNCTIONS): Add sbss.
18775 (SBSS_SECTION_ASM_OP): New macro.
18776 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
18777 (EXTRA_SECTIONS): Add in_sbss.
18778 * config/mips/mips.h: Prototype sbss_section.
18780 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
18782 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
18785 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
18787 * optabs.c (init_traps): Register trap_rtx as a GC root.
18789 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18791 * config/mips/mips.c (function_arg_pass_by_reference): Define
18792 unconditionally, since it's called unconditionally.
18794 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
18796 * toplev.c (documented_lang_options): Add -fshort-wchar.
18797 * c-decl.c (c_decode_option): Likewise.
18798 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
18800 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
18801 * gcc.c (default_compilers): If -fshort-wchar,
18802 override __WCHAR_TYPE__.
18803 * tm.texi (C Dialect Options): Add -fshort-wchar.
18805 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
18806 symbol for a variable.
18808 * cpplib.h (CPP_PREPROCESSED): New macro.
18809 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
18810 we're seeing this input for a second time.
18812 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
18814 * emit-rtl.c (init_emit_once): Initialize modes first.
18816 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
18818 * config/i386/i386.c (pic_label_name): Change to char pointer.
18819 (global_offset_table): New variable.
18820 (load_pic_register): Fill global_offset_table if it hasn't
18821 already been done. Allocate pic_label_name dynamically.
18822 * ggc.h (empty_string): New variable.
18823 * ggc-simple.c (empty_string): Likewise.
18824 (init_ggc): Allocate empty_string and add as root.
18825 * stmt.c (digit_strings): New variable.
18826 (init_stmt): Add last_block_end_note as root. Allocate and
18827 initialize digit_strings.
18828 (expand_asm_operands): Use empty_string instead of string
18829 constant. Use digit_strings instead of string constants.
18830 * profile.c (init_arc_profiler): Allocate string with
18831 ggc_alloc_string instead of xmalloc.
18832 (output_func_start_profiler): Likewise.
18833 * c-typeck.c (digest_init): Check if init is error_mark_node.
18835 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
18836 Richard Henderson <rth@cygnus.com>
18838 * ggc-page.c: New file.
18839 * Makefile.in (ggc-page.o): New.
18841 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
18843 * invoke.texi: Document -fdelete-null-pointer-checks
18844 * toplev.c (flag_delete_null_pointer_checks): New.
18845 (f_options): Add entry for -fdelete-null-pointer-checks.
18846 (rest_of_compilation): Conditionalize null pointer check
18847 elimination on flag_delete_null_pointer_checks.
18848 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
18850 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
18852 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
18853 copyright notice and special exception to GPL.
18855 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18857 * abi64.h (mips_function_value): Add prototype arguments.
18859 * mips-protos.h: New file with mips prototypes.
18861 * mips.c: Include "tm_p.h".
18862 (mktemp, lookup_name): Add prototype arguments.
18863 (extern_list, string_constant, mips_fill_delay_slot,
18864 mips_output_external, mips_output_external_libcall,
18865 mips_output_filename, mips_declare_object, function_prologue,
18866 mips_expand_prologue, function_epilogue, mips16_constant,
18867 build_mips16_function_stub, mips_output_conditional_branch):
18869 (mips_va_start): Remove unused variable `u'.
18870 (mips_va_arg): Cast value to unsigned when comparing against one.
18872 (save_restore_insns, mips_expand_prologue): Add missing arg in
18873 call to `large_int'.
18875 * mips.h: Move prototypes to mips-protos.h.
18876 (data_section, memory_address_p, rdata_section,
18877 readonly_data_section, simple_epilogue_p, text_section): Delete
18878 prototypes delcared elsewhere.
18879 (mips_epilogue_delay_slots, print_options): Delete unused decls.
18881 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
18883 * mips.md: Delete extra args in call to `mips_move_2words'.
18885 * xm-iris6.h (alloca): Add prototype argument.
18887 * genpeep.c: Include "tm_p.h" in generated output file.
18889 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18891 * basic-block.h (find_edge_index): Change parameters.
18892 * flow.c (verify_edge_list): Pass basic_block parameters to
18893 find_edge_index instead of integers.
18895 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
18897 * combine.c (simplify_comparison): Use an unsigned shift to adjust
18900 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
18902 * gcc.1: Fix a formatting error.
18904 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18906 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
18907 i786, mn10200, mn10300, pdp11, v850.
18909 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
18911 * libgcc2.c (num_digits): Add prototype with
18912 __attribute__((const)).
18913 (__terminate): Add prototype.
18915 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
18917 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
18919 * alpha/alpha.c (print_operand): Fix type of `code'.
18920 (alpha_output_filename): Constify.
18921 * alpha/alpha.h: Move all function declarations ...
18922 * alpha/alpha-protos.h: ... here. New file.
18923 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
18924 (SECTION_FUNCTION_TEMPLATE): Likewise.
18926 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18928 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
18929 * expr.c (expand_expr): Likewise.
18930 (do_jump): Likewise.
18931 (do_store_flag): Pass ccp_store_flag to can_compare_p.
18932 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
18934 (enum can_compare_purpose): New.
18935 (can_compare_p): Adjust prototype.
18936 (prepare_cmp_insn, prepare_operand): Declare.
18937 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
18938 * optabs.c (cmp_available_p): Deleted.
18939 (expand_abs): Pass ccp_jump to can_compare_p.
18940 (can_compare_p): New arg PURPOSE. Check for combined optabs.
18941 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
18942 Call can_compare_p rather than cmp_available_p.
18943 (prepare_operand): No longer static.
18944 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
18945 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
18946 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
18947 sequence to use emit_cmp_and_jump_insns.
18948 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
18950 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
18952 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
18953 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
18954 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
18955 (plus (reg) (const_int 0))
18956 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
18958 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
18960 * rs6000.c (expand_block_move): DImode loads and stores require
18961 word-aligned displacements. Increment address registers with
18962 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
18964 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
18966 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
18967 is no name for the base type, rather than segfault. If we are
18968 writing out a complex integer type, use DW_ATE_lo_user.
18970 * expr.c (emit_move_insn_1): If we are copying a complex that fits
18971 in one word or less (complex char, complex short, or on 64 bit
18972 systems complex float) to/from a hard register, copy it through
18973 memory instead of dying in gen_{real,imag}part. If we have a
18974 short complex type, prevent inlining since it allocates stack
18977 * tree.c (build_complex_type): If we are writing dwarf2 output,
18978 generate a name for complex integer types.
18980 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18982 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
18983 * flow.c (remove_edge): Remove extra whitespace.
18984 (remove_fake_edges): Fix comment.
18985 (add_noreturn_fake_exit_edges): Use the correct name.
18987 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
18989 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
18990 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
18991 (clean): Depend on INTL_CLEAN.
18992 (maintainer-clean): Adjust.
18994 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18996 * configure.in (AC_PREREQ): Bump to 2.13.
18997 (AC_C_STRINGIZE): Call this instead of using a custom macro.
18999 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
19001 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
19003 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
19005 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
19006 (HAVE_STRINGIZE): Define.
19008 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
19010 * c-parse.in: save and restore warn_pointer_arith on __extension__
19011 along with pedantic.
19012 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
19013 Set the type of extension to itype rather than $<itype>1 kludge.
19014 * extend.texi (Alternate Keywords): Adjust documentation.
19015 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
19017 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
19019 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
19020 most assembler templates.
19022 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
19023 FP loads and stores.
19024 (following_call): Always return zero for the PA8000.
19025 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
19026 FP loads and stores.
19027 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
19029 * pa.h (BRANCH_COST): Define.
19031 * pa.md (return, return_internal): Use bve for PA2.0.
19033 * pa.md (fused multiply): Add variants which reduce height for the
19034 fused multiply, but which still generate 2 insns.
19035 (fnegabs): Similarly.
19037 * pa.md (subsi3): Turn into an expander. Create two anonymous
19038 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
19039 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
19041 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
19043 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
19045 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
19046 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
19048 * regclass.c (init_regs): Add "top_of_stack" as a garbage
19051 * flow.c (record_active_eh_regions): Terminate loop after finding
19052 the last insn in the last basic block.
19054 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19056 * config/c4x/c4x.md: Delete parallel instruction peepholes.
19058 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19060 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
19062 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19064 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
19065 splitting to not use output template.
19067 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19069 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
19070 * config/c4x/c4x.c (c4x_va_start): New function.
19072 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
19074 * genrecog.c (not_both_true): Handle correctly cases when called for
19075 tests with different positions in the insn.
19077 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19079 * machmode.h (HOST_PTR_PRINTF): Move from here ...
19081 * system.h (HOST_PTR_PRINTF): ... to here.
19083 * mips-tfile.c: Don't include machmode.h.
19085 * Makefile.in (MACHMODE_H): New variable. Update to use it.
19086 (mips-tfile.o): Don't depend on machmode.h.
19088 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19090 * haifa-sched.c (sched_analyze): Rename local variable `region' to
19091 avoid conflicts with typedef struct `region' at the top level scope.
19093 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
19095 * basic-block.h (basic_block): Add eh_beg, eh_end.
19096 * flow.c (entry_exit_blocks): Update.
19097 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
19098 Call new functions.
19099 (find_basic_blocks_1): Don't record eh_list at each bb. Use
19100 lists.c functions to allocate insn lists.
19101 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
19103 (make_eh_edge): ... here. New.
19104 (move_stray_eh_region_notes): New.
19105 (record_active_eh_regions): New.
19106 (delete_unreachable_blocks): Split out block merging ...
19107 (try_merge_blocks): ... here. New.
19108 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
19109 Dump debugging data.
19110 (merge_blocks_move_successor_nojumps): Likewise.
19111 (merge_blocks): Use eh_beg+eh_end to validate block movement.
19113 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
19115 * extend.texi (Bound member functions): Document unbound pmf
19118 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19120 * flow.c (split_edge): Handle insertion on a fallthrough edge which
19121 has the EXIT_BLOCK as a dest.
19123 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19125 * flow.c (remove_edge): New function to remove an edge from the
19127 (remove_fake_successors): New function to remove fake successor edges.
19128 (remove_fake_edges): New function to remove all fake edges from the
19130 (add_fake_exit_edges): New function to add fake edges from all blocks
19131 with no successors to the exit block.
19132 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
19133 prototypes for new functions.
19135 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19137 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
19138 Use Pmode to determine whether to output .dword or .word.
19140 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
19142 * tree.c (built_in_filename): New variable.
19143 (BUILT_IN_FILENAME): New macro.
19144 (init_tree_codes): Allocate built_in_filename.
19145 (make_node): Use built_in_filename instead of string constant.
19147 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
19149 * configure.in: Add fr30 target.
19150 * configure: Regenerate.
19151 * config/fr30: New directory.
19152 * config/fr30/crti.asm: New file.
19153 * config/fr30/fr30.c: New file.
19154 * config/fr30/crtn.asm: New file.
19155 * config/fr30/fr30.h: New file.
19156 * config/fr30/fr30.md: New file.
19157 * config/fr30/lib1funcs.asm: New file.
19158 * config/fr30/t-fr30: New file.
19159 * config/fr30/xm-fr30.h: New file.
19161 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
19163 * flow.c (merge_blocks_move_successor_nojumps): Delete the
19164 BARRIER at the end of the successor, not the BARRIER before
19167 * pa.c (pa_add_gc_roots): Fix thinko in last change.
19169 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
19171 * stmt.c (any_pending_cleanups): Don't crash when
19172 current_function->stmt is unset.
19174 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19176 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
19177 other initializations that may use it for relative offsets.
19179 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19181 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
19182 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
19183 * config/i386/sol2dbg.h: Removed.
19184 * config/i386/sol2gas.h: New file, to enable gas work-around.
19185 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
19186 Don't use sol2dbg.h.
19187 * configure: Rebuilt.
19189 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
19191 * invoke.texi (-fthis-is-variable): Remove documentation.
19193 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
19195 * basic-block.h (compute_bb_for_insn): Declare.
19196 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
19197 to use; set size of basic_block_for_insn directly.
19198 (find_basic_blocks): Update.
19200 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19202 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
19204 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19206 * crtstuff.c (ON_EXIT): Delete empty macro definition.
19207 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
19209 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
19211 * c-decl.c (c_decode_option): Extend comment.
19213 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
19215 * toplev.c (progname): Make 'const char *'
19216 (flag_print_mem): Move out of main.
19217 (version_flag): Move out of main.
19218 (filename): Move out of main.
19219 (debug_args): Remove g prefix from options.
19220 (documented_lang_options): Remove cpplib specific options.
19221 (display_help): Add g prefix to debug options.
19222 (check_lang_option): Delete this function.
19223 (decode_d_option): New function: Decode -d... option.
19224 (decode_f_option): New function: Decode -f... option.
19225 (decode_W_option): New function: Decode -W... option.
19226 (decode_g_option): New function: Decode -g... option.
19227 (independent_decode_option): New function: Decode a language
19228 independent command line option.
19229 (main): Invoke lang_decode_option and then
19230 independent_decode_option on each command line option in
19233 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
19235 Revert this change. Gavin's patch to operand_equal_p is a better fix.
19236 * fold-const.c (fold_range_test): Do not try to fold the range
19237 test if the rhs or lhs has side effects.
19239 * basic-block.h (compute_flow_dominators): Declare.
19241 * gcse.c (alloc_code_hoist_mem): New function.
19242 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
19243 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
19244 (hoist_code, one_code_hoisting_pass): Likewise.
19245 (gcse_main): If optimizing for size, then hoist expressions
19246 computed in multiple dominated basic blocks.
19248 * gcse.c (invalid_nonnull_info): New function.
19249 (delete_null_pointer_checks): Likewise.
19250 * rtl.h (delete_null_pointer_checks): Declare.
19251 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
19253 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
19254 (merge-blocks_move_successor_nojumps): Likewise.
19255 (merge_blocks): Allow merging of some blocks, even if it requires
19256 physical movement of the blocks, but not if it requires new jumps.
19258 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
19259 Callers and prototype changed.
19260 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
19262 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19264 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
19265 -YP when both -p and -pg are present. From i386/sol2.h.
19267 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19269 * Makefile.in (distclean): Delete tm_p.h.
19270 * configure.in: Create a new file, "tm_p.h", from a list in
19271 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
19272 "i386/i386-protos.h".
19274 * alias.c: Include "tm_p.h".
19275 * c-typeck.c: Likewise.
19276 * calls.c: Likewise.
19278 * emit-rtl.c: Likewise.
19279 * explow.c: Likewise.
19280 * expmed.c: Likewise.
19281 * expr.c: Likewise.
19282 * final.c: Likewise.
19283 * flow.c: Likewise.
19284 * fold-const.c: Likewise.
19285 * function.c: Likewise.
19286 * gcse.c: Likewise.
19287 * global.c: Likewise.
19288 * haifa-sched.c: Likewise.
19289 * integrate.c: Likewise.
19290 * jump.c: Likewise.
19291 * local-alloc.c: Likewise.
19292 * loop.c: Likewise.
19293 * optabs.c: Likewise.
19294 * recog.c: Likewise.
19295 * reg-stack.c: Likewise.
19296 * regclass.c: Likewise.
19297 * regmove.c: Likewise.
19298 * reload.c: Likewise.
19299 * reload1.c: Likewise.
19300 * reorg.c: Likewise.
19301 * resource.c: Likewise.
19302 * stmt.c: Likewise.
19303 * stor-layout.c: Likewise.
19304 * toplev.c: Likewise.
19305 * tree.c: Likewise.
19306 * unroll.c: Likewise.
19307 * genattrtab.c (main): Make generated file include "tm_p.h".
19308 * genemit.c (main): Likewise.
19309 * genoutput.c (main): Likewise.
19310 * genrecog.c (main): Likewise.
19312 * i386.h: Delete all prototypes.
19313 * i386.c: Include "tm_p.h".
19314 (ix86_attr_length_default): Call constant_call_address_operand
19315 with correct number of arguments.
19316 * i386-protos.h: New file.
19317 * i386.md (unnamed patterns): Call constant_call_address_operand
19318 with correct number of arguments.
19319 (exception_receiver): Call load_pic_register with correct number
19322 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
19324 * c-pragma.c (mark_align_stack): Dereference the void* properly.
19326 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
19328 * rtl.h (insns_safe_to_move_p): New function.
19329 * loop.c (find_and_verify_loops): Use it.
19330 * rtlanal.c (insns_safe_to_move_p): Define it.
19332 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
19334 * c-pragma.c: Include ggc.h.
19335 * Makefile.in (c-pragma.o): Update.
19337 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19339 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
19340 (LIB_SPEC): Likewise.
19341 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
19342 Reindent -YP/-p/-pg.
19343 Copied from config/sparc/sol2.h.
19345 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
19347 * c-pragma.c (mark_align_stack): New.
19348 (init_pragma): New.
19349 * c-pragma.h (init_pragma): Declare it.
19350 * c-lex.c (init_parse): Call it.
19352 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19354 * configure.in: Pick up thread library on Solaris/x86 just
19355 like on Solaris/sparc.
19356 * configure: Rebuilt.
19358 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
19360 * rtl.h (global_rtx_index): New enum.
19361 (global_rtl): Change to array of rtx.
19362 (pc_rtx, cc0_rtx): Redefine accordingly.
19363 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
19364 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
19365 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
19366 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
19367 (const_int_rtx): Change to array of rtx.
19368 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
19370 * emit-rtl.c (global_rtl): Change to array of rtx.
19371 (const_int_rtx): Change to aray of rtx.
19372 (gen_rtx_CONST_INT): Redefine accordingly.
19373 (init_emit_once): Allocate and initialize global_rtl. Likewise
19374 for const_int_rtx. Add both as GC roots.
19375 * genattrtab.c (global_rtl): Update declaration.
19377 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
19379 * Makefile (USER_H): Add iso646.h back.
19381 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
19383 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
19384 zapping the LOG_LINKS of sched_before_next_call.
19386 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
19387 * pa.c (insn_refs_are_delayed): Renamed from
19388 insn_sets_and_refs_are_delayed.
19390 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
19392 * functiion.h (struct function): Add x_whole_function_mode_p.
19393 (retrofit_block): Declare.
19394 * function.c (retrofit_block): New function.
19395 (identify_blocks): Add assertions. Allow an incomplete set of
19396 block notes if we're still generating code for the function.
19397 * integrate.c: Include loop.h.
19398 (expand_inline_function): Call find_loop_tree_blocks to map block
19399 notes to blocks when in whole-function mode. Use retrofit_block
19400 to insert new BLOCKs for the inlined function, rather than
19402 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
19403 * Makefile.in (integrate.o): Depend on loop.h.
19405 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
19407 * tree.h (warn_about_unused_variables): Declare.
19408 * stmt.c (warn_about_unused_variables): New function, split out
19410 (expand_end_bindings): Here.
19412 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
19414 * stmt.c (preserve_subexpressions_p): Don't crash when
19415 current_function->stmt is unset.
19417 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
19419 * stmt.c (expand_start_bindings): Allow callers to pass a flag
19420 indicating that no NOTE_INSN_BLOCK_BEG note is required.
19421 (expand_start_target_temps): Use it.
19422 * except.c (expand_eh_region_start_for_decl): Likewise.
19423 * expr.c (expand_expr): Likewise.
19425 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
19427 * fold-const.c (operand_equal_p): Pay attention to side effects.
19429 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
19431 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
19432 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
19434 * tlink.c (scan_linker_output): Look for keywords before accepting
19435 a mangled name in quotes.
19437 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
19439 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
19440 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
19442 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
19444 * alpha.md: Revert Thu Nov 26 change that came in through the
19445 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
19446 Avoid earlyclobber when possible.
19448 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19450 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
19452 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
19453 Define HAVE_ON_EXIT.
19455 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19457 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
19458 CTYPE_CONV in all ctype macros.
19460 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
19463 * cexp.y (initialize_random_junk): Likewise.
19465 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
19467 * i370.c (handle_pragma): Likewise.
19469 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
19471 * v850.c (override_options): Likewise.
19473 * doprint.c (_doprnt): Likewise.
19475 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
19478 * fixinc/server.c (load_data): Likewise.
19480 * fold-const.c (real_hex_to_f): Likewise.
19482 * genattr.c (write_upcase, gen_attr): Likewise.
19484 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
19485 write_upcase): Likewise.
19487 * genemit.c (print_code): Likewise.
19489 * genopinit.c (gen_insn): Likewise.
19491 * genpeep.c (print_code): Likewise.
19493 * genrecog.c (print_code): Likewise.
19495 * optabs.c (init_libfuncs): Likewise.
19497 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
19499 * haifa-sched.c (sched_analyze): Keep the list of notes organized
19501 (reemit_notes): Likewise.
19503 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
19505 * ggc.h (ggc_root): Move to ggc-common.c.
19507 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
19508 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
19509 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
19510 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
19511 * ggc-common.c (ggc_root): Move from ggc.h.
19512 (roots): Declare, static.
19513 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
19514 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
19515 null or check/set mark bit.
19516 (ggc_mark_roots): New.
19517 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
19519 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
19521 * m32r.c: Include toplev.h.
19522 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
19523 (gen_compare): Rename swap_p to must_swap to match uses.
19524 Add default abort case.
19525 (m32r_output_function_epilogue): Remove unused variables.
19526 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
19527 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
19528 define to empty parameter list. Update all uses.
19529 (predicate decls): Use enum machine_mode not int.
19530 * m32r.md (movsi): Call abort, not fatal_insn.
19531 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
19533 1999-09-14 Andrew Haley <aph@cygnus.com>
19535 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
19536 use $0 instead of 0.
19538 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19540 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
19541 computation out of loop over hard regs.
19543 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
19545 * function.c (identify_blocks): Don't shadow a variable in an
19547 * integrate.c (integrate_decl_tree): Don't use pushlevel,
19548 pushdecl, or poplevel to build up the new BLOCK tree.
19549 (expand_inline_function): Likewise.
19550 (integrate_parm_decls): Likewise.
19552 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
19554 * c-typeck.c (qualify_type): Merge qualifiers from both types.
19556 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
19558 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
19559 * invoke.texi: Document this change.
19561 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
19563 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
19565 (mark_emit_status): Renamed from mark_emit_state.
19566 * except.c (mark_eh_status): Renamed from mark_eh_state.
19567 Check not null before marking.
19568 (free_eh_status): New.
19569 * expr.c (mark_expr_status, free_expr_status): New.
19570 * function.c (free_machine_status): New.
19571 (free_after_parsing): New.
19572 (free_after_compilation): Move bits to free_after_parsing; call
19573 free_eh_status, free_expr_status; zero the marked members of the
19575 (prepare_function_start): No can_garbage_collect.
19576 Call init_eh_for_function.
19577 (expand_dummy_function_end): Free up current_function state.
19578 (mark_function_status): Renamed from mark_function_state.
19579 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
19580 * function.h (struct function): No can_garbage_collect.
19581 (free_machine_status, free_after_parsing): Declare.
19582 (free_eh_status, free_expr_status): Declare.
19583 * ggc.h (mark_expr_status): Declare.
19584 * stmt.c (free_stmt_status): Free the struct.
19585 (mark_stmt_status): Renamed from mark_stmt_state.
19586 (init_stmt): Don't call init_eh.
19587 (init_stmt_for_function): Don't call init_eh_for_function.
19588 * toplev.c (compile_file): Call init_eh.
19589 (rest_of_compilation): Free basic block info before ggc_collect.
19590 Call free_after_parsing; conditionally call free_after_compilation.
19591 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
19592 Check not null before marking.
19593 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
19595 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
19597 * c-lex.c (yylex): Initialize warn.
19599 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
19601 * pa.c (emit_move_sequence): Properly set the mode of the scratch
19602 register when performing secondary reloads for the SAR register.
19604 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
19606 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
19607 (NOTE_BLOCK): New macro.
19608 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
19609 * function.h (identify_blocks): Change prototype.
19610 * function.c (identify_blocks): Simplify.
19611 (reorder_blocks): Likewise.
19612 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
19613 NOTE_INSN_BLOCK_{BEG,END}.
19614 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
19615 the list of saved notes if the note isn't a
19616 NOTE_INSN_BLOCK_{BEG,END}.
19617 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
19619 (reemit_notes): Adjust recreation of notes to reflect new saved
19621 * print-rtl.c (print_rtx): Print the address of the BLOCK when
19622 printing a block note.
19623 * stmt.c (block_vector): Remove.
19624 (find_loop_tree_blocks): Simplify.
19625 (unroll_block_trees): Likewise.
19626 * tree.h (reorder_block): Change prototype.
19628 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
19630 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
19631 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
19632 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
19633 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
19634 (atexit, exit): Simplify.
19635 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
19636 * config/lots: Remove defns of HAVE_ATEXIT.
19638 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
19640 * calls.c (precompute_arguments): Fix typo in comment.
19641 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
19644 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
19646 * dsp16xx.c (override_options): Fix typos in GC root registration.
19648 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
19650 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
19651 from config/svr4.h.
19652 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
19653 (FUNCTION_PROFILER): Redefine appropriately for Linux.
19654 (CC1_SPEC): Likewise.
19656 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19658 * genattr.c (main): Add extern prototype. Call return, not exit.
19659 * genattrtab.c (main): Likewise.
19660 * gencheck.c (main): Likewise.
19661 * gencodes.c (main): Likewise.
19662 * genconfig.c (main): Likewise.
19663 * genemit.c (main): Likewise.
19664 * genextract.c (main): Likewise.
19665 * genflags.c (main): Likewise.
19666 * gengenrtl.c (main): Likewise.
19667 * genopinit.c (main): Likewise.
19668 * genoutput.c (main): Likewise.
19669 * genpeep.c (main): Likewise.
19670 * genrecog.c (main): Likewise.
19672 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
19673 * genattrtab.c (get_insn_name): Likewise.
19674 * gencodes.c (get_insn_name): Likewise.
19675 * genconfig.c (get_insn_name): Likewise.
19676 * genemit.c (get_insn_name): Likewise.
19677 * genextract.c (get_insn_name): Likewise.
19678 * genflags.c (get_insn_name): Likewise.
19679 * genopinit.c (get_insn_name): Likewise.
19680 * genpeep.c (get_insn_name): Likewise.
19682 * gencheck.c (usage): Add static prototype.
19683 * genextract.c (print_path): Constify a char*.
19684 * genopinit.c (optabs): Likewise.
19685 * genoutput.c (operand_data, data, output_predicate_decls,
19686 compare_operands): Likewise.
19687 * genrecog.c (write_tree): Add default case in switch.
19689 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19691 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
19693 * print-rtl.c (get_insn_name): Remove prototype.
19695 * toplev.h (progname): Declare const.
19697 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
19698 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
19699 dump_sched_info, dump_local_alloc, regset_release_memory,
19700 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
19701 error_with_file_and_line, error_with_decl, error_for_asm, error,
19702 fatal, warning_with_file_and_line, warning_with_decl, warning,
19703 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
19704 Remove redundant prototypes.
19706 (notice, check_lang_option, report_file_and_line, vnotice,
19707 mark_file_stack): Add static prototype.
19708 (set_fatal_function): Add prototype.
19709 (vnotice, report_file_and_line, set_fatal_function,
19710 check_lang_option): Constify a char*.
19711 (main): Prototype. Call return, not exit.
19713 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19715 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
19717 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
19719 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
19721 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
19723 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19725 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
19726 behave as if it's zero in all cases.
19727 (expand_function_start): Adjust call to assign_parms.
19728 * tree.h (assign_parms): Adjust prototype.
19729 * objc/objc-act.c (hack_method_prototype): Adjust call to
19732 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
19734 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
19735 arg_pointer_rtx fixed if the argument pointer register is
19737 (NONZERO_BASE_PLUS_P): Likewise.
19739 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
19741 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
19742 match_insn2 to match_insn.
19743 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
19745 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
19747 * Makefile.in (USER_H): Remove va-foo.h.
19749 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
19750 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
19751 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
19752 va-spur.h,va-v850.h}: Remove.
19754 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
19756 * sparc/sparc.md (eligible_for_return_delay): New attribute.
19757 (in_return_delay): Use it instead of match_insn.
19759 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19761 * config/alpha/va_list.h (va-alpha.h): Do not include.
19762 (__gnuc_va_list): Typedef as in varargs.h.
19764 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
19766 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
19767 DECL_LIVE_RANGE_RTL.
19769 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
19771 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
19772 not NOTE_BLOCK_NUMBER.
19773 (expand_eh_region_end): Likewise.
19774 (find_exception_handler_labels): Likewise.
19775 (scan_region): Likewise.
19776 (exception_optimize): Likewise.
19777 (update_rethrow_references): Likewise.
19778 (set_insn_eh_region): Likewise.
19779 * final.c (final_scan_insn): Likewise.
19780 * flow.c (make_edges): Likewise.
19781 * integrate.c (expand_inline_function): Likewise.
19782 * print-rtl.c (print_rtx): Likewise.
19784 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
19786 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
19787 terms of builtin functions and types.
19789 * mips.c (mips_build_va_list): New.
19790 (mips_va_start, mips_va_arg): New.
19791 * mips.h (BUILD_VA_LIST_TYPE): New.
19792 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19794 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
19795 (sh_build_va_list, sh_va_start, sh_va_arg): New.
19796 * sh.h (BUILD_VA_LIST_TYPE): New.
19797 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19799 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
19801 * recog.h (struct recog_data): Make dup_num, operand_address_p,
19802 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
19803 (struct insn_data): Likewise with n_operands, n_dups,
19804 n_alternatives, output_format.
19805 * regclass.c (scan_one_insn): Cast n_operands to int before
19806 arithmetic inside comparison.
19808 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
19810 * toplev.c (compile_function): Unconditionally emit nop.
19812 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19814 * haifa-sched.c (actual_hazard): Move declaration of variable
19815 `this_cost' into the scope where it is used.
19817 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19819 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
19820 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
19821 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
19823 * genrecog.c (make_insn_sequence): Call memset, not bzero.
19825 * jump.c (find_insert_position): Don't declare or define unless
19826 !HAVE_conditional_arithmetic.
19827 (returnjump_p_1, delete_prior_computation): Add static prototypes.
19829 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
19831 * recog.c (offsettable_address_p): Prototype function pointer.
19832 (preprocess_constraints): Call memset, not bzero.
19834 * tree.c (tree_node_kind_names): Constify a char*. Make static.
19835 (gcc_obstack_init): Don't declare.
19836 (fix_sizetype): Add static prototype.
19837 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
19838 (tree_cons): Call memset, not bzero.
19840 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
19841 definition in macro ASM_WEAKEN_LABEL.
19842 (mark_const_hash_entry): Add static prototype.
19844 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19846 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
19848 * unroll.c (find_common_reg_term, subtract_reg_term,
19849 loop_find_equiv_value): Add static prototypes.
19850 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
19851 (copy_loop_body): Remove unreachable break statement.
19853 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
19855 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
19857 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19859 Undo some changes from the gcc2 merge:
19860 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
19861 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
19865 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
19866 * emit-rtl.c (gen_lowpart_common): Disable optimization of
19867 initialized float-int union if the value is a NaN.
19869 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
19871 * gthr-win32.h: New file.
19873 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
19874 shared as a valid attribute.
19875 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
19876 * extend.texi: Document `shared' variable attribute.
19878 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
19880 * configure.in: Handle --enable-threads on FreeBSD.
19881 * configure: Rebuit.
19883 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
19885 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
19887 * configure: Rebuilt.
19889 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
19890 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
19891 Rosimildo DaSilva <rdasilva@connecttel.com>
19893 * configure.in (m68k-*-rtemscoff*): Added.
19894 * configure.in (mips64orion-*-rtems*): Converted to ELF.
19895 * configure.in (sparc-*-rtemsaout*): Added as alias for old
19896 sparc-rtems configuration.
19897 * configure.in (sparc-*-rtemself*): Added.
19898 * configure.in (sparc-*-rtems*): Now ELF not a.out.
19899 * config/i386/rtems.h: Added comment.
19900 * config/sparc/rtemself.h: New file.
19902 * configure.in (m68k-rtemself): Added.
19903 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
19904 and DWARF_DEBUGGING_INFO.
19905 * config/m68k/crti.s: New file.
19906 * config/m68k/crtn.s: New file.
19907 * config/m68k/t-crtstuff: New file.
19908 * config/m68k/rtemself.h: New file.
19910 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
19911 global ctor/dtor and C++ exception handling.
19912 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
19913 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
19915 * config/i386/t-rtems-i386: New File.
19917 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
19919 * stmt.c (expand_end_case): Return right away if the case stack is
19922 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
19924 * Makefile.in (version.c): Remove rule incorrectly brought in from
19927 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
19929 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
19930 * msdos/top.sed: Take into account a prepended $(SHELL) to
19932 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
19934 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
19936 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19938 * regmove.c (fixup_match_1): Don't change an unchanging register.
19939 (stable_but_for_p): Renamed to:
19940 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
19941 Changed all callers.
19943 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
19945 * loop.c (strength_reduce): Don't call reg_used_between_p if the
19946 insn from BL2 is after the insn from BL.
19948 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
19950 * recog.h (INSN_OUTPUT_FORMAT_*): New.
19951 (struct insn_data): Merge `template' and `outfun' into `output'.
19952 Add `output_format'.
19953 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
19954 (struct data): Remove `outfun'; add `output_format'.
19955 (name_for_index): Remove declaration.
19956 (output_insn_data): Handle output formats.
19957 (process_template): Emit the bare array for @.
19958 (gen_expand, gen_split): Set output_format to NONE.
19959 * output.h (get_insn_template): Declare.
19960 * final.c (get_insn_template): New.
19961 (final_scan_insn): Use it.
19962 * toplev.c (compile_file): Likewise.
19964 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19965 * i860/i860.c (output_delayed_branch): Likewise.
19966 (output_delay_insn): Likewise.
19968 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19970 * rtl.c (obstack_alloc_rtx): Removed.
19972 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
19974 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
19976 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
19978 * i386.c (call_insn_operand): Reject const_int.
19979 (expander_call_insn_operand): Use call_insn_operand.
19981 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19983 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
19985 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
19987 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
19988 Use DImode operation.
19990 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
19992 * gcc.c: Include sys/resource.h.
19993 (report_times): New flag.
19994 (execute): If report_times is set, calculate and report the
19995 CPU time consumed by each subprocess.
19997 (rus, prus): New globals.
19998 (option_map): Add --time.
19999 (display_help): Document -time.
20000 (process_command): Set report_times if -time is given.
20001 Turn off -pipe if -time is given.
20003 * invoke.texi: Document new option -time.
20005 * configure.in: Check for getrusage. Check if we have to
20006 prototype getrusage.
20007 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
20008 * configure: Regenerate.
20009 * config.in: Regenerate.
20011 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
20013 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
20016 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
20018 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
20019 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
20020 (nan): Return _thenan_sf or _thenan_df as appropriate.
20021 (L_thenan_sf): Define _thenan_sf.
20022 (L_thenan_df): Define _thenan_df.
20024 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
20025 (DPBIT_FUNCS): Add _thenan_df.
20027 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
20029 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
20032 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20034 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
20037 (lang_specific_driver): Don't take a function pointer parameter.
20038 All callers changed.
20040 * gcc.c: Include gcc.h.
20041 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
20042 lang_specific_extra_outfiles, fatal): Don't declare.
20043 (multilib_defaults_raw): Constify.
20044 (read_specs): Call memset, rather than bzero.
20045 (main): Call return, not exit.
20046 (lookup_compiler): Call memcpy, not bcopy.
20047 (fatal): Make extern.
20049 * cppspec.c: Include gcc.h.
20050 (lang_specific_driver): Initialize variable `quote'. Constify a
20051 char*. All calls to the function pointer parameter now
20052 explicitly call `fatal'.
20054 * gccspec.c (lang_specific_driver): Include gcc.h.
20056 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
20058 * arm.c (note_invalid_constants): Use recog_data.operand_type
20061 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20063 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
20066 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
20067 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
20068 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
20069 reload_secondary_in_reload, reload_secondary_out_reload,
20070 reload_secondary_in_icode, reload_secondary_out_icode,
20071 reload_reg_rtx, reload_when_needed): Delete declarations.
20072 (struct reload): New structure.
20073 (rld): Declare new array.
20074 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
20075 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
20076 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
20077 reload_secondary_in_reload, reload_secondary_out_reload,
20078 reload_secondary_in_icode, reload_secondary_out_icode,
20079 reload_reg_rtx, reload_when_needed): Delete definitions.
20081 (whole file): Replace uses of the deleted arrays with uses of rld.
20082 * reload1.c (whole file): Replace uses of the deleted arrays with
20084 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
20085 explicit loops, not with bcopy.
20087 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
20089 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
20090 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
20091 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
20092 insn_name): Delete and consolidate into new structures.
20093 (insn_operand_predicate_fn): New.
20094 (insn_output_fn): New.
20095 (insn_gen_fn): New.
20096 (struct insn_operand_data): New.
20097 (struct insn_data): New.
20099 (OUT_FCN): Update for insn_data change.
20100 * builtins.c (expand_builtin_strlen): Likewise.
20101 (expand_builtin_memcmp): Likewise.
20102 * combine.c (make_extraction, simplify_comparison): Likewise.
20103 * cse.c (canon_reg, cse_insn): Likewise.
20104 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
20105 * expmed.c (store_bit_field, extract_bit_field): Likewise.
20106 (emit_store_flag): Likewise.
20107 * expr.c (convert_move, emit_block_move): Likewise.
20108 (clear_storage, emit_push_insn, expand_increment): Likewise.
20109 (do_store_flag): Likewise.
20110 * expr.h (GEN_FCN): Likewise.
20111 (insn_gen_function): Die.
20112 * final.c (final_scan_insn): Update for insn_data change.
20113 (output_asm_name): Likewise.
20114 * function.c (fixup_var_refs_1): Likewise.
20115 * loop.c (check_dbra_loop): Likewise.
20116 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
20117 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
20118 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
20119 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
20120 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
20121 * regmove.c (gen_add3_insn): Likewise.
20122 * reload.c (push_secondary_reload, combine_reloads): Likewise.
20123 (find_reloads, find_reloads_address_1): Likewise.
20124 (debug_reload_to_stream): Likewise.
20125 * reload1.c (emit_reload_insns, gen_reload): Likewise.
20126 * stmt.c (expand_end_case): Likewise.
20127 * toplev.c (compile_file): Likewise.
20129 * c4x/c4x.c (c4x_process_after_reload): Likewise.
20130 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
20132 * print-rtl.c (insn_name_ptr): Remove declaration.
20133 (get_insn_name): Declare.
20134 (print_rtx): Use it.
20135 * genoutput.c (insn_name_ptr): Remove.
20136 (next_operand_number): New.
20137 (struct operand_data): New.
20138 (null_operand, odata, odata_end): New.
20139 (struct data): Use struct operand_data.
20140 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
20141 (get_insn_name): Renamed from name_for_index.
20142 (output_prologue): Define NO_MD_PROTOTYPES.
20143 (output_predicate_decls): Break out from output_epilogue.
20144 Iterate over the operands list.
20145 (output_operand_data): Break out from output_epilogue. Emit
20146 just the operands list.
20147 (output_insn_data): Break out from output_epilogue. Emit just
20149 (output_epilogue): Remove.
20150 (output_get_insn_name): New.
20151 (constraints, op_n_alternatives, predicates, address_p): Die.
20152 (modes, strict_low, seen): Die.
20153 (scan_operands): Take new param `d' instead of writing to
20154 seven global variables.
20155 (compare_operands): New.
20156 (place_operands): New.
20157 (validate_insn_alternatives): Update for struct data change.
20158 (gen_insn): Don't zero or copy 7 global arrays. Update for
20159 scan_operands; call place_operands.
20160 (gen_peephole, gen_expand, gen_split): Likewise.
20161 (main): Update for new output routines.
20163 * genattr.c (insn_name_ptr): Remove.
20164 (get_insn_name): New function.
20165 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
20166 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
20167 * genrecog.c: Likewise.
20169 * alpha.md (adddi3): Make `pattern' array static.
20171 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20173 * config/c4x/c4x.h (c4x_rpts_cycles_string,
20174 c4x_cpu_version_string): Constify char *.
20175 * config/c4x/c4x.c (c4x_rpts_cycles_string,
20176 c4x_cpu_version_string): Likewise.
20178 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
20180 * tree.c (save_tree_status): Revert 10 Sep change.
20181 (restore_tree_status): Likewise. Call obstack_free with NULL
20182 before freeing the obstack proper.
20184 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
20186 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
20188 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
20189 surrounding context.
20191 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
20193 * tree.c (type_hash_canon): Put all types in the hash-table, when
20196 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
20198 * recog.h (struct recog_data, recog_data): New.
20199 (recog_foo variables): Kill.
20200 * recog.c (recog_operand, recog_operand_loc): Kill.
20201 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
20202 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
20203 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
20204 (recog_data): Define.
20205 (extract_insn): Update all recog_foo references to use recog_data.
20206 (preprocess_constraints, constrain_operands): Likewise.
20207 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
20208 * genattrtab.c (main): Likewise.
20209 * genextract.c (main): Likewise.
20210 * genoutput.c: Likewise.
20211 * genrecog.c (write_subroutine, main): Likewise.
20212 * local-alloc.c (block_alloc): Likewise.
20213 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
20214 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
20215 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
20216 * reload.c (find_reloads, find_reloads_toplev): Likewise.
20217 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
20218 (reload_cse_simplify_operands): Likewise.
20220 * arc/arc.c (arc_final_prescan_insn): Likewise.
20221 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
20222 * h8300/h8300.c (notice_update_cc): Likewise.
20223 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
20224 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
20225 * mn10200/mn10200.c (notice_update_cc): Likewise.
20226 * mn10300/mn10300.c (notice_update_cc): Likewise.
20227 * romp/romp.c (update_cc): Likewise.
20228 * sparc/sparc.c (check_pic): Likewise.
20229 * v850/v850.c (notice_update_cc): Likewise.
20231 * genemit.c (main): Don't declare recog_operand.
20233 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
20235 * ggc.h (rtvec_def): Forward declare.
20236 (tree_node): Likewise.
20237 (ggc_root): Define.
20239 (ggc_set_mark_rtx): Add prototype.
20240 (ggc_set_mark_rtvec): Likewise.
20241 (ggc_set_mark_tree): Likewise.
20242 * ggc-simple.c (ggc_root): Don't define.
20243 (roots): Don't declare.
20244 (ggc_mark_rtx): Remove.
20245 (ggc_mark_rtvec): Likewise.
20246 (ggc_mark_tree): Likewise.
20247 (ggc_mark_varray): Likewise.
20248 (ggc_mark_tree_hash_table_entry): Likewise.
20249 (ggc_mark_tree_hash_table): Likewise.
20250 (ggc_set_mart_rtx): New function.
20251 (ggc_set_mark_rtvec): Likewise.
20252 (ggc_set_mark_tree): Likewise.
20253 (ggc_add_root): Remove.
20254 (ggc_add_rtx_root): Likewise.
20255 (ggc_remove_tree_root): Likewise.
20256 (ggc_add_string_root): Likewise.
20257 (ggc_add_tree_varray_root): Likewise.
20258 (ggc_add_tree_hash_table_root): Likewise.
20259 (ggc_del_root): Likewise.
20260 (ggc_mark_rtx_ptr): Likewise.
20261 (ggc_mark_tree_ptr): Likewise.
20262 (ggc_mark_string_ptr): Likewise.
20263 (ggc_mark_tree_varray_ptr): Likewise.
20264 (ggc_mark_tree_hash_table_ptr): Likewise.
20265 * ggc-common.c: New file.
20266 * Makefile.in (OBJS): Add ggc-common.o.
20267 (ggc-common.o): List dependencies.
20269 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
20271 * cppalloc.c (xstrdup): Use memcpy.
20272 * cpperror.c (cpp_print_containing_files): Don't use
20274 * cpplib.c (conditional_skip): Set temp->lineno.
20275 (do_endif): Make error message less obscure.
20276 (if_directive_name): New function.
20277 (cpp_get_token [case EOF]): Unwind the if stack and generate
20278 error messages for each unterminated conditional in this file.
20279 (parse_string): Do not behave differently if -traditional.
20281 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
20283 * builtins.c (expand_builtin_va_arg): Cope with an array-type
20284 va_list decomposing to pointer-type.
20285 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
20286 (rs6000_va_arg): Likewise.
20288 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
20290 * except.c (start_dynamic_handler): Compute size using
20291 STACK_SAVEAREA_MODE.
20293 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20295 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
20296 include directory headers. Don't define strrchr. Don't provide
20297 my_* replacement functions. Prefer PTR over `pointer_type'.
20298 Don't prototype system functions. Don't redefine getopt.
20300 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
20301 safe_read, safe_write, save_pointers, restore_pointers,
20302 is_id_char, in_system_include_dir, directory_specified_p,
20303 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
20304 find_corresponding_lparen, referenced_file_is_newer,
20305 save_def_or_dec, munge_compile_params, gen_aux_info_file,
20306 process_aux_info_file, identify_lineno, check_source,
20307 seek_to_line, forward_to_next_token_char, output_bytes,
20308 output_string, output_up_to, other_variable_style_function,
20309 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
20310 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
20311 find_static_definition, connect_defs_and_decs, add_local_decl,
20312 add_global_decls, needs_to_be_converted, visit_each_hash_node,
20313 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
20314 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
20315 scan_for_missed_items, edit_file, string_list_cons): Add static
20317 (standard_exec_prefix, target_machine, target_version,
20318 default_syscalls_dir, string_list, string_list_cons, find_file,
20319 do_cleaning): Constify a char*.
20320 (safe_read, safe_write): Use PTR, not a char*.
20321 (is_id_char): Take an int, not a char.
20322 (main): Add prototype. Call return, not exit.
20324 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
20326 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
20327 when comparing types.
20329 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
20331 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
20332 (strength_reduce): Release the varrays from the no-bivs early exit.
20334 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
20335 the loop over the registers.
20337 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
20339 (restore_tree_status): Check that instead when freeing the obstack.
20341 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
20343 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
20346 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20348 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
20349 operand size modifiers.
20351 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20353 * c-common.c (c_common_nodes_and_builtins): Don't build
20355 * c-common.h (enum c_tree_index and related accesor macros): Remove
20356 everything now declared in tree.h.
20357 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20358 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
20359 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
20360 (error_mark_node, void_type_node, char_type_node, integer_type_node,
20361 unsigned_type_node, ptr_type_node, va_list_type_node,
20362 integer_zero_node, null_pointer_node, integer_one_node): Delete.
20363 (init_decl_processing): Call build_common_tree_nodes and
20364 build_common_tree_nodes_2 instead of building their nodes here.
20365 Don't add roots for these nodes.
20366 * stor-layout.c (size_zero_node, size_one_node): Delete.
20367 (set_sizetype): Make a new node for bitsizetype each time.
20368 * tree.c (global_trees): New variable.
20369 (init_obstacks): Add a gc root for it.
20370 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20371 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
20372 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
20373 (build_common_tree_nodes): New function.
20374 (fix_sizetype): New function.
20375 (build_common_tree_nodes_2): New function.
20376 * tree.h (enum tree_index): New.
20377 (global_trees): Declare.
20378 Add accessor macros for all nodes now moved to global_trees.
20379 Delete their declarations.
20381 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
20383 * c-decl.c (finish_function): When processing a nested function,
20384 push and pop GC context around rest_of_compilation.
20386 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
20388 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
20389 Default ix86_arch to PROCESSOR_I386.
20390 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
20391 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
20392 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
20393 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
20394 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
20395 (EXTRA_SPECS): Remove deleted specs.
20397 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
20399 * function.c (assign_stack_local_1): Allocate from
20400 function->x_frame_offset, not frame_offset.
20402 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
20404 * ggc.h (lang_cleanup_tree): Remove.
20405 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
20406 * ggc-callbacks.c (lang_cleanup_tree): Remove.
20408 * c-decl.c (finish_struct): Use ggc_alloc to allocate
20409 TYPE_LANG_SPECIFIC when garbage collecting.
20410 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
20411 (lang_cleanup_tree): Remove.
20413 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
20415 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
20416 * crtstuff.c: Not here.
20417 * dwarf2out.c: Or here.
20418 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
20421 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
20423 * function.h (free_after_compilation): Remove decl parameter.
20424 (free_varasm_status0: Likewise.
20425 (free_emit_status): Likewise.
20426 (free_stmt_status): Likewise.
20427 (free_after_compilation): Likewise.
20428 (init_lang_status): New variable.
20429 (free_lang_status): Likewise.
20430 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
20431 * function.c (init_lang_status): New variable.
20432 (free_lang_status): Likewise.
20433 (push_function_context_to): Don't set function::decl here.
20434 (free_after_copmilation): Make decl parameter implicit. Call
20435 free_lang_status if defined.
20436 (prepare_function_start): Call init_lang_status if defined.
20437 (init_function_start): Set function::decl here.
20438 * profile.c (output_func_start_profiler): Don't call pushdecl
20439 until we've actually started the function.
20440 * stmt.c (free_stmt_status): Make decl parameter implicit.
20441 * toplev.c (rest_of_compilation): Don't pass decl to
20442 free_after_compilation.
20443 * varasm.c (free_varasm_status): Likewise.
20445 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20447 * except.c (call_get_eh_context): Add root when allocating static
20450 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
20452 * arm.c: Include "ggc.h".
20453 (arm_add_gc_roots): New function.
20454 (arm_override_options): Call it.
20455 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
20457 * arm.md (define_asm_attributes): Add a pool_range attribute.
20459 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
20461 * extend.texi (Volatiles): New node.
20463 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
20465 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
20466 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
20467 (struct ggc_any): Replace `mark' with `magic_mark'.
20468 (ggc_alloc_string): Use memcpy, not bcopy.
20469 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
20470 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
20471 (ggc_free_any): New.
20472 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
20473 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
20474 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
20475 Use IS_MARKED. Use ggc_free_any.
20477 1999-09-09 Scott Bambrough <scottb@netwinder.org>
20479 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
20481 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
20483 * toplev.c (main): Always init_ggc.
20485 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
20487 * except.c (find_all_handler_type_matches): Free the list if
20488 we found no matches.
20490 * combine.c (SUBST): Break out to a real function do_SUBST.
20491 (SUBST_INT): Likewise.
20492 * gcse.c (free_pre_mem): Free `temp_bitmap'.
20493 (pre_insert): Free `inserted'.
20494 * loop.c (basic_induction_var): Always set `location'.
20496 * function.c (expand_function_end): Add initial_trampoline as a root.
20497 * rtl.h (init_varasm_once): Declare.
20498 * toplev.c (compile_file): Call it.
20499 * ggc-simple.c (ggc_mark_string_ptr): New.
20500 (ggc_add_string_root): New.
20501 (ggc_collect): Disable collection avoidance temporarily.
20502 * ggc.h (ggc_add_string_root): Declare.
20503 * except.c (create_rethrow_ref): Use ggc_alloc_string.
20504 * optabs.c (init_libfuncs): Likewise.
20505 * varasm.c (named_section): Use ggc_alloc_string.
20506 (make_function_rtl): Likewise.
20507 (make_decl_rtl): Likewise.
20508 (assemble_static_space): Likewise.
20509 (assemble_trampoline_template): Likewise.
20510 (output_constant_def): Likewise.
20511 (force_const_mem): Likewise.
20512 (mark_const_hash_entry): New.
20513 (mark_pool_sym_hash_table): New.
20514 (mark_varasm_state): Use it.
20515 (init_varasm_once): New.
20517 * expr.h (init_one_libfunc): Declare.
20518 * optabs.c (init_one_libfunc): New.
20519 (init_optabs): Use it.
20520 * config/gofast.h: Likewise.
20521 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
20522 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
20524 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
20526 * Makefile.in (cppexp.o): Depend on cpphash.h.
20527 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
20529 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
20530 * cpplib.c (do_define): Generalise to handle poisoned definitions,
20531 redefining poisoned identifiers, etc.
20532 (do_undef): Don't allow poisoned identifiers to be undefined.
20533 (do_pragma): Add #pragma poison.
20534 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20536 * cccp.c: Add T_POISON node type.
20537 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
20539 (do_define): Generalise to handle poisoned definitions,
20540 redefining poisoned identifiers, etc.
20541 (do_undef): Don't allow poisoned identifiers to be undefined.
20542 (do_pragma): Add #pragma poison.
20543 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20545 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
20546 * c-pragma.h: Add ps_poison state. We now always have generic
20549 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
20551 * ggc.h (ggc_alloc): New function.
20552 (ggc_mark): Likewise.
20553 * ggc-simple.c (ggc_any): New structure.
20554 (ggc_status): Add anys.
20555 (n_anys_collected): New variable.
20556 (ggc_alloc): Define.
20557 (ggc_mark): Likewise.
20558 (ggc_collect): Collect the anys.
20560 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20562 * c-decl.c (mark_binding_level): Make static to match prototype.
20564 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
20566 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
20568 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
20570 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
20571 will use into account. Expand the max width to 5.
20574 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
20576 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
20577 for the rtx length.
20579 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
20581 * alpha.md (call value patterns): Remove the result predicates.
20583 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
20585 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
20588 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20590 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
20591 changed from extern char *, to extern PTR. Also fix typo in
20592 NEED_DECLARATION_REALLOC test.
20594 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
20596 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20598 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
20599 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
20600 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
20601 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
20603 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
20605 * cccp.c (pcfinclude): Likewise.
20607 * global.c (allocno_compare): Likewise.
20609 * haifa-sched.c (rank_for_schedule): Likewise.
20611 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
20613 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
20615 * stupid.c (stupid_reg_compare): Likewise.
20617 * tree.c (_obstack_allocated_p): Likewise.
20619 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
20621 1999-09-08 Bruce Korb autogen@linuxbox.com
20623 * Makefile.in: Give the hapless gperf user a hint about
20624 why "gperf -F" fails.
20626 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
20628 * lists.c: Include ggc.h.
20630 (init_EXPR_INSN_LIST_cache): Install it.
20632 * ggc-simple.c (init_ggc): Absorb the old init.
20633 (ggc_push_context): Use xcalloc.
20634 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
20635 (ggc_collect): Add [rvts] tags to the collection stats.
20637 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
20639 * cccp.c (main): Fix handling of -include and -imacros options.
20641 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
20643 * cpplib.c (cpp_push_buffer): Fix order of arguments.
20645 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20647 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
20650 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
20652 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
20653 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
20654 and SET_DEST. Update comment.
20656 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20658 * config/c4x/c4x.c: Include ggc.h.
20659 (c4x_add_gc_roots): New function.
20660 (c4x_override_options): Call c4x_add_gc_roots.
20662 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
20664 * defaults.h (TARGET_ESC): Move ...
20665 * system.h: ... here, where Linas had it in the first place. Silly me.
20667 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
20669 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
20670 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
20671 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
20672 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
20673 * defaults.h (TARGET_ESC): Add default.
20675 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
20677 * configure.in: add i370-*-openedition, i370-*-mvs and
20678 i370-*-linux targets
20680 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
20682 * dsp16xxx.c: Include ggc.h
20683 (override_options): Mark GC roots.
20684 * mn10200.c: Include ggc.h.
20685 (asm_file_start): Mark GC roots.
20686 * tahoe.c: Include ggc.h.
20687 (extensible_operand): Mark GC roots.
20689 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
20691 * README: Add section discussing status of ELF ABI.
20692 * i370.c: Fix misc spelling mistakes.
20693 (i370_label_scan): Updated notes, exception handling.
20694 (i370_function_prolog): Simplify ELF stack handling.
20695 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
20696 (STACK_GROWS_DOWNWARD): ELF stack grows down.
20697 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
20698 * i370.md: (movdi): Add notes.
20699 (floatsidf2): Use stack not rtca for scratch float area.
20700 (iorsi3): Correct operand constraints.
20701 * x-oe: Restore TAROUTOPTS which are used by pax.
20703 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
20705 * rs6000.c: Include ggc.h.
20706 (rs6000_add_gc_roots): New function.
20707 (override_options): Call it.
20709 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
20711 * alpha.h (alpha_compare): New.
20712 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
20713 * alpha.c: Likewise for the definitions.
20714 (alpha_emit_conditional_branch): Update for alpha_compare.
20715 (alpha_emit_conditional_move): Likewise.
20716 * alpha.md (cmpdf, cmpdi): Likewise.
20717 (setcc patterns): Likewise. Zero alpha_compare after use.
20718 (sne): Optimize (x != 0) into (0U < x).
20720 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
20722 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
20723 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
20724 (INIT_EXPANDERS): Remove.
20725 * alpha.c: Include ggc.h.
20726 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
20727 (alpha_init_machine_status, alpha_mark_machine_status): New.
20728 (override_options): Install them.
20729 (struct machine_function): Moved to alpha.h.
20730 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
20731 (alpha_init_expanders): Remove.
20732 (alpha_return_addr): Adjust to use current_function->machine.
20733 (alpha_ra_ever_killed): Likewise.
20734 (alpha_expand_epilogue): Likewise.
20735 * alpha.md (eh_epilogue): Likewise.
20737 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
20738 Melissa O'Neill <oneill@cs.sfu.ca>
20739 Geoffrey Keating <geoffk@cygnus.com>
20741 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
20742 call-used registers (call-saved registers must still be contiguous
20743 and end with r31, of course).
20745 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
20747 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
20748 (self_promoting_type_p): Delete.
20749 (self_promoting_args_p): Move ...
20750 * c-common.c: ... here.
20751 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
20752 (simple_type_promotes_to): New.
20753 * builtins.c (lang_type_promotes_to): New.
20754 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
20755 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
20756 * c-common.h: ... here.
20757 (self_promoting_args_p, simple_type_promotes_to): Declare.
20758 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
20759 (grokdeclarator): Likewise.
20760 * tree.h (lang_type_promotes_to): Declare.
20762 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
20764 Add some machine-dependent GC roots.
20765 * sparc.c: Include ggc.h.
20766 (sparc_add_gc_roots): New function.
20767 (mark_ultrasparc_pipeline_state): Likewise.
20768 (override_options): Call sparc_add_gc_roots.
20769 * pa.c: Include ggc.h.
20770 (pa_add_gc_roots): New function.
20771 (mark_deferred_plabels): Likewise.
20772 (override_options): Call pa_add_gc_roots.
20773 * mips.c: Include ggc.h.
20774 (mips_add_gc_roots): New function.
20775 (override_options): Use it.
20777 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20779 * cpperror.c (cpp_file_line_for_message): Constify a char*.
20781 * cppexp.c (parse_number, parse_charconst, cpp_lex,
20782 cpp_parse_expr): Add static prototypes.
20783 (parse_charconst): Don't cast away const-ness.
20784 (token): Constify a char*.
20786 * cppfiles.c (file_name_list, include_hash, find_include_file,
20787 finclude, initialize_input_buffer): Constify a char*.
20788 (file_cleanup, find_position): Add static prototypes.
20790 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
20791 collect_expansion): Add static prototypes.
20792 (cpp_install, create_definition, monthnames): Constify a char*.
20794 * cpphash.h (cpp_install): Likewise.
20796 * cppinit.c (known_suffixes, default_include,
20797 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
20798 (base_name, dump_special_to_buffer, initialize_dependency_output):
20799 Add static prototypes.
20801 * cpplib.c (my_strerror): Constify a char*.
20802 (null_underflow, null_cleanup, skip_comment, copy_comment,
20803 copy_rest_of_line, handle_directive, pass_thru_directive,
20804 get_directive_token, read_line_number, cpp_print_file_and_line,
20805 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
20806 v_cpp_warning_with_line, detect_if_not_defined,
20807 consider_directive_while_skipping): Add static prototypes.
20808 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
20809 cpp_pedwarn_with_file_and_line): Constify a char*.
20811 * cpplib.h (cpp_options, include_hash, progname, definition,
20812 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
20813 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
20814 find_include_file, deps_output, include_hash): Constify a char*.
20816 * cppmain.c (progname): Constify.
20817 (main): Add prototype. Use return, not exit.
20819 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
20820 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
20821 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
20822 check_protection): Add static prototype.
20824 (progname, recognized_macrom, recognized_extern): Constify a char*.
20825 (main): Add prototype.
20827 * gen-protos.c (progname): Constify a char*.
20829 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
20831 * emit-rtl.c (free_emit_status): Take decl as a parameter.
20832 (init_emit_once): Add more GC roots.
20833 * except.c (mark_func_eh_entry): New function.
20834 (mark_eh_node): Mark false_label and rethrow_label.
20835 (init_eh): Add more GC roots.
20836 * function.c (free_after_compilation): Take decl as a paramter.
20837 Call free_stmt_status.
20838 (mark_function_state): Don't assume x_parm_reg_stack_loc is
20840 * function.h (free_after_compilation): Change prototype.
20841 (free_varasm_status): Likewise.
20842 (free_emit_status): Likewise.
20843 (free_stmt_status): New function.
20844 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
20845 Remove, replacing with ...
20846 (ggc_status): New structure.
20847 (ggc_chain): New variable.
20848 (init_gcc): Define.
20849 (ggc_push_context): New function.
20850 (ggc_pop_context): Likewise.
20851 (ggc_alloc_rtx): Adjust for use of ggc_chain.
20852 (ggc_alloc_rtvec): Likewise.
20853 (ggc_alloc_tree): Likewise.
20854 (ggc_alloc_string): Likewise.
20855 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
20856 (ggc_mark_tree): Give language-dependent code a chance to mark
20858 (ggc_mark_tree_varray): Handle empty arrays.
20859 (ggc_collect): Adjust for use of ggc_chain. Clear
20860 bytes_alloced_since_last_gc.
20861 * ggc.h (ggc_pop_context): New function.
20862 (ggc_push_context): Likewise.
20863 * print-tree.c (print_node): Don't print obstacks when GC'ing.
20864 * stmt.c (free_stmt_status): New function.
20865 (init_stmt_for_function): Clear last_expr_value.
20866 * toplev.c (rest_of_compilation): Always call free_after_compilation.
20867 Conditionalize call to ggc_collect.
20868 (main): Call init_ggc.
20869 * tree.c (push_obstacks): Do the push, even when GC'ing.
20870 (push_obstacks_nochange): Likewise.
20871 (pop_obstacks): Liekwise.
20872 * varasm.c (free_varasm_status): Take decl as a parameter.
20874 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
20876 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
20877 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
20878 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
20879 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
20881 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
20883 * pa/x-pa-mpeix: New file for the MPE port.
20885 * pa/quadlib.asm: New file for long double support.
20887 * configure.in: Add hppa1.0-*-mpeix for MPE port.
20888 * configure: Rebuilt.
20890 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
20892 * final.c (shorten_branches): Fix last change.
20894 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
20896 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
20898 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
20900 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
20903 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20905 * c-aux-info.c (concat): Don't define.
20907 * cccp.c (my_strerror): Likewise. All callers changed to use
20909 (do_include): Call xstrdup, not xmalloc/strcpy.
20910 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
20911 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
20913 * collect2.c (my_strsignal): Likewise. All callers changed to use
20915 (locatelib): Call xstrdup, not xmalloc/strcpy.
20917 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
20919 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
20921 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
20923 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
20925 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
20927 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
20929 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
20931 (find_all_handler_type_matches): Likewise. Don't check return
20933 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
20934 xmalloc, not malloc.
20935 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
20937 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
20938 (init_spec): Call xcalloc, not xmalloc/bzero.
20939 (set_spec): Call xstrdup, not save_string.
20940 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
20941 (find_a_file): Call xstrdup, not xmalloc/strcpy.
20942 (process_command): Call xstrdup, not save_string.
20943 (main): Call xcalloc, not xmalloc/bzero.
20945 * gcov.c (xmalloc): Don't define.
20946 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
20947 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
20948 (output_data): Call xcalloc, not xmalloc/bzero.
20950 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
20952 * mips-tdump.c (xmalloc): Don't define.
20953 (print_symbol): Call xmalloc, not malloc.
20954 (read_tfile): Call xcalloc, not calloc.
20956 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
20957 Don't define. All callers of xfree/my_strsignal changed to use
20958 free/strsignal instead.
20959 (allocate_cluster): Call xcalloc, not calloc.
20961 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
20962 Fix memory leak, free allocated memory.
20964 * prefix.c (translate_name): Call xstrdup, not save_string.
20965 (update_path): Likewise.
20967 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
20969 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
20970 Don't define. Callers of xfree/savestring2 changed to use
20971 free/concat instead.
20973 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
20974 (init_elim_table): Likewise.
20976 * resource.c (init_resource_info): Likewise.
20978 * stupid.c (stupid_life_analysis): Likewise.
20980 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
20981 (open_dump_file): Call concat, not xmalloc/strcpy/...
20982 (clean_dump_file): Likewise.
20983 (compile_file): Call xstrdup, not xmalloc/strcpy.
20985 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
20987 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
20988 * v850.c (v850_va_arg): New.
20990 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20992 * haifa-sched.c: Tidy comments.
20994 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20996 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
20997 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
20998 $(out_object_file)): Depend on ggc.h.
20999 * c-common.c: Include "ggc.h".
21000 (combine_strings): If doing GC, use ggc_alloc_string.
21001 * c-decl.c: Include "ggc.h".
21002 (ggc_p): Define with value 0.
21003 (mark_binding_level): New function.
21004 (init_decl_processing): Add GC roots.
21005 (mark_c_function_context): New function.
21006 (lang_mark_false_label_stack): New function.
21007 (lang_mark_tree): New function.
21008 (lang_cleanup_tree): New function.
21009 * c-lang.c: Include "ggc.h".
21010 (lang_init): Call c_parse_init.
21011 * c-lex.c: Include "ggc.h".
21012 (check_linenum): If doing GC, don't copy filenames to permanent
21014 * c-parse.in: Include "ggc.h".
21015 (c_parse_init): New function.
21016 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
21017 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
21019 * except.c (mark_eh_state): Mark more state.
21020 * function.c (mark_function_state): Likewise.
21021 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
21022 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
21023 * toplev.c (mark_file_stack): New function.
21024 (compile_file): If doing GC, use ggc_alloc_string on input filename.
21025 (main): Add root for input_file_stack.
21027 * i386.c: Include "ggc.h".
21028 (ix86_mark_machine_status): New function.
21029 (override_options): Set mark_machine_status.
21031 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21033 * tree.c (copy_node): Copy node contents also if doing GC.
21035 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
21037 * collect2.c (scan_libraries): Fix double-thinko :-).
21039 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
21041 * collect2.c (scan_libraries): Fix thinko.
21043 * cse.c (delete_trivially_dead_insns): Do not skip the last
21044 insn if it is a real insn.
21046 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
21048 * Makefile.in (ggc-simple.o): Depend on hash.h.
21049 * ggc.h (ggc_add_tree_hash_table_root): Declare.
21050 (ggc_mark_tree_varray): Likewise.
21051 (ggc_mark_tree_hash_table): Likewise.
21052 * ggc-simple.c: Include hash.h.
21053 (ggc_mark_tree_hash_table_ptr): New function.
21054 (ggc_mark_tree_hash_table_entry): Likewise.
21055 (ggc_mark_tree_hash_table): Likewise.
21056 (ggc_add_tree_hash_table_root): Likewise.
21057 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
21058 rtx, when defining fields.
21060 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
21062 * profile.c (output_func_start_profiler): Remove apparently
21063 nonsensical call to start_sequence.
21065 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
21067 * clipper/clipper.c (clipper_va_start): Fix typos.
21069 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
21070 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
21071 (spur_va_arg): New stub.
21073 * configure.in: Comment out pyramid.
21075 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
21077 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
21078 don't conflict with the bits that win32, cygwin, and dgux
21081 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
21082 Bernd Schmidt <bernds@cygnus.co.uk>
21084 * integrate.c (function_cannot_inline_p): Do not inline
21085 functions with forced labels.
21087 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
21088 Bernd Schmidt <bernds@cygnus.co.uk>
21089 Mark Mitchell <mark@codesourcery.com>
21091 * Makefile.in (ggc-simple.o): Depend on varray.h.
21092 (rtl.o): Depend on ggc.h.
21093 (genattrtab.o): Depend on ggc.h.
21094 (print-tree.o): Likewise.
21095 (fold-const.o): Likewise.
21096 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
21097 (make_insn_raw): Don't cache insns when GC'ing.
21098 (emit_insn_before): Likewise.
21099 (emit_insn_after): Likewise.
21100 (emit_insn): Likewise.
21101 (start_sequence): Use xmalloc to allocate the sequence_stack.
21102 (end_sequence): Add free to free it.
21103 (gen_sequence): Don't cache insns when GC'ing.
21104 (clear_emit_caches): Don't use sequence_element_free_list.
21105 (init_emit): Use xcalloc, not xmalloc+bzero.
21106 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
21107 * function.c (pop_function_context_from): Use free to free the
21108 fixup_var_refs_queue.
21109 (put_reg_into_stack): Allocate it with xmalloc.
21110 * genattrtab.c: Include ggc.h.
21111 (operate_exp): Don't use obstack_free when GC'ing.
21112 (simplify_cond): Likewise.
21113 (simplify_text_exp): Likewise.
21114 (optimize_attrs): Likewise.
21115 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
21117 (gencode): Generate a #include for ggc.h.
21118 * ggc-callbacks.c (ggc_p): Define it to zero.
21119 * ggc-none.c (ggc_p): Likewise.
21120 * ggc-simple.c: Include varray.h.
21121 (ggc_mark_tree_varray): New function.
21122 (ggc_add_tree_varray_root): Likewise.
21123 (ggc_mark_tree_varray_ptr): Likewise.
21124 * ggc.h (ggc_p): Declare.
21125 (varray_head_tag): Likewise.
21126 (ggc_add_tree_varray_root): Declare.
21127 * print-tree.c (print_node): Don't check for TREE_PERMANENT
21128 inconsistencies when GC'ing.
21129 * rtl.c: Include ggc.h.
21130 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
21131 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
21132 (rtx_free): Don't call obstack_free when GC'ing.
21133 * toplev.c (rest_of_compilation): Call ggc_collect after every
21135 * tree.c (push_obstacks): Do nothing, if GC'ing.
21136 (pop_obstacks_nochange): Likewise.
21137 (pop_obstacks): Likewise.
21138 (make_node): Use ggc_alloc_tree when GC'ing.
21139 (copy_node): Likewise.
21140 (get_identifier): Use ggc_alloc_string when GC'ing.
21141 (build_string): Likewise.
21142 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
21143 (tree_cons): Likewise.
21144 (build1): Likewise.
21145 (type_hash_canon): Don't call obstack_free when GC'ing.
21147 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
21149 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
21150 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
21152 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
21153 Bernd Schmidt <bernds@cygnus.co.uk>
21154 Mark Mitchell <mark@codesourcery.com>
21156 * Makefile.in (stor-layout.o): Depend on ggc.h.
21157 (expr.o): Depend on ggc.h.
21158 (profile.o): Depend on ggc.h.
21159 (stor-layout.o): Depend on ggc.h.
21160 * emit-rtl.c (init_emit_once): Add gc roots.
21161 * expr.c: Include ggc.h.
21162 (emit_block_move): Add gc roots.
21163 (clear_storage): Likewise.
21164 * expr.h (init_stor_layout_once): New function.
21165 * profile.c: Include ggc.h.
21166 (init_arc_profiler): profiler_label is a root.
21167 * scan.c (make_sstring_space): Trust xrealloc to function
21168 correctly with first parameter NULL.
21169 * stor-layout.c: Include ggc.h.
21170 (set_sizetype): Add gc root.
21171 (init_stor_layout_once): New function.
21172 * toplev.c (compile_file): Call it.
21174 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
21175 Bernd Schmidt <bernds@cygnus.co.uk>
21176 Mark Mitchell <mark@codesourcery.com>
21178 * Makefile.in (tree.o): Depend on ggc.h.
21179 (varasm.o): Likewise.
21180 (function.o): Likewise.
21181 (stmt.o): Likewise.
21182 (except.o): Likewise.
21183 (optabs.o): Likewise.
21184 (emit-rtl.o): Likewise.
21185 * emit-rtl.c: Include ggc.h.
21186 (sequence_element_free_list): Remove, and all references.
21187 (mark_sequence): New functions.
21188 (mark_emit_state): New function.
21189 * except.c: Include ggc.h.
21190 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
21191 (mark_tree_label_node): New functions.
21192 (mark_eh_state): New function.
21193 * function.c: Include ggc.h.
21194 (mark_temp_slot, mark_function_chain): New functions.
21195 (mark_function_state): New function.
21196 (init_function_once): New function.
21197 * function.h (init_function_once): New function.
21198 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
21199 * ggc.h (label_node): Declare.
21200 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
21201 (lang_mark_false_label_stack): New function.
21202 (mark_temp_slot): Remove declaration.
21203 (mark_function_chain): Likewise.
21204 (mark_eh_state): Adjust prototype.
21205 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
21207 * optabs.c: Include ggc.h.
21208 (mark_optab): New function.
21209 (init_optabs): Add gc roots.
21210 * stmt.c: Include ggc.h.
21211 (mark_cond_nesting, mark_loop_nesting): New functions.
21212 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
21213 (mark_stmt_state): New function.
21214 * toplev.c (compile_file): Call init_function_once.
21215 * tree.c: Include ggc.h.
21216 (type_hash): Move declaration earlier in file.
21217 (TYPE_HASH_SIZE, type_hash_table): Likewise.
21218 (init_obstacks): Add gc roots.
21219 (mark_type_hash): New function.
21220 * varasm.c: Include ggc.h.
21221 (mark_pool_constant): New function.
21222 (mark_varasm_state): New function.
21224 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21226 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
21228 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21230 * c-decl.c (struct language_function): Renamed from struct c_function.
21232 (c_function_chain): Delete.
21233 (push_c_function_context): New arg F. Don't warn about nested
21234 functions here. Fill LANGUAGE elt of F. Delete code to update
21235 c_function_chain. Don't call push_function_context.
21236 (pop_c_function_context): New arg F. Restore from there instead of
21237 from c_function_chain. Don't call pop_function_context. Clear out
21238 LANGUAGE field of F when done.
21239 * c-lang.c: Include "function.h"
21240 (lang_init): Initialize save_lang_status and restore_lang_status.
21241 * c-parse.in (nested_function, nested_function_notype): Warn about
21242 nested functions. Call push_function_context/pop_function_context
21243 instead of the _c_ variants.
21244 * c-tree.h (push_c_function_context, pop_c_function_context): Update
21246 * Makefile.in (c-lang.o): Update dependencies.
21248 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
21249 regno_pointer_flag, regno_pointer_align.
21250 (gen_reg_rtx): Use xrealloc to enlarge them.
21251 (free_emit_status): New function.
21252 * function.c (mark_machine_status, mark_lang_status): New variables.
21253 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
21254 in some bits from assign_stack_local. All callers changed to use new
21256 (assign_stack_local): Just call assign_stack_local_1.
21257 (free_after_compilation): New function.
21258 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
21259 (trampoline_address): Likewise.
21260 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
21261 (prepare_function_start): Explicitly clear some more variables.
21262 * function.h (struct function): New elt can_garbage_collect.
21263 (mark_machine_status, mark_lang_status): Declare variables.
21264 (free_after_compilation, free_emit_status, free_varasm_status,
21265 init_varasm_status): Declare functions.
21266 * toplev.c (rest_of_compilation): Call free_after_compilation when
21267 done with the current function.
21268 * varasm.c (free_varasm_status): New function.
21270 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
21272 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
21273 (EXPAND_BUILTIN_VA_ARG): Define.
21274 * sparc.c (sparc_va_start): New.
21275 (sparc_va_arg): New.
21277 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21279 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
21281 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21283 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
21285 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
21287 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
21288 (OBJS): Add $(GGC).
21289 (ggc-callbacks.o): New target.
21290 * ggc-callbacks.c: New file.
21292 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21294 * expr.h: Collapse individual optab and libfunc vars to arrays.
21295 (optab_index, libfunc_index): New enumerations.
21296 (optab_table, libfunc_table): New arrays.
21297 Add accessor macros for both.
21299 * optabs.c (optab_table, libfunc_table): New.
21300 Delete declarations for individual optab and libfunc vars.
21302 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
21304 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
21306 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
21308 * Makefile.in (GGC, GGC_LIB): New.
21309 (HOST_RTL): Include ggc-none.o.
21310 (ggc-simple.o): New target.
21311 (ggc-none.o): Likewise.
21312 * tree.h (tree_common): Add gc_mark.
21313 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
21314 (struct rtvec_def): Add gc_mark.
21315 * emit-rtl.c (global_rtl): Update static initializers to contain
21316 enough initializers.
21317 * ggc.h, ggc-none.c, ggc-simple.c: New files.
21318 * toplev.c (gc_time): New variable.
21319 (all_time): New variable.
21320 (compile_file): Print gc time.
21321 (print_time): Calculate percentage of the whole.
21323 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21325 Change obstack memory management and varasm constant pool handling so
21326 that nested functions are treated like any other functions.
21327 * function.c (init_machine_status): New variable.
21328 (push_function_context_to): Set contains_functions for the outer
21329 function. Don't call save_varasm_status.
21330 (pop_function_context_from): Don't call restore_varasm_status. Don't
21331 set current_function_contains_functions.
21332 (prepare_function_start): Call init_varasm_status rather than
21333 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
21335 * function.h (struct function) Add field varasm. Delete fields
21336 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
21337 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
21338 (init_machine_status): Declare.
21339 (save_varasm_status, restore_varasm_status): Delete declarations.
21340 (save_tree_status, restore_tree_status): Delete last argument.
21341 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
21342 code. All callers changed.
21343 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
21344 save_constants_in_decl_trees, restore_constants, save_constants,
21345 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
21347 (inlining): New variable.
21348 (reg_map, label_map, insn_map, orig_asm_operands_vector,
21349 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
21351 (save_for_inline_nocopy): Don't save constants.
21352 Don't set inl_emit field in current_function.
21353 (expand_inline_function): Use emit field, not inl_emit, of the inlined
21354 function. Set new variable inlining before
21355 calling copy_rtx_and_substitute.
21356 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
21357 constant pool references if inlining is nonzero.
21358 Delete ADDRESS and (most of the) CONST cases.
21359 (output_inline_function): Save and restore current_function/
21360 current_function_decl. Delete restore_constants code. Don't call
21361 init_const_rtx_hash_table.
21362 * output.h (init_const_rtx_hash_table): Don't declare.
21363 * rtl.h (struct function): Declare.
21364 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
21365 * toplev.c (rest_of_compilation): Don't treat nested functions or
21366 functions containing them specially. Delete all code to deal with
21367 save_for_inline_copying.
21368 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
21369 inline_obstacks): Delete variables.
21370 (save_tree_status): Lose arg CONTEXT. All callers changed.
21371 Simply allocate a new function_maybepermanent_obstack for the new
21372 function, delete all the special cases.
21373 Don't save inline_obstacks.
21374 (restore_tree_status): Lose arg CONTEXT. All callers changed.
21375 Delete special handling for function_maybepermanent_obstack; simply
21377 Don't restore inline_obstacks.
21378 (permanent_allocation): Delete code that frees inline_obstacks.
21379 (print_inline_obstack_statistics): Delete function.
21380 (dump_tree_statistics): Don't call it.
21381 * varasm.c (struct varasm_status): New.
21382 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
21383 last_pool, pool_offset, const_double_chain): Delete global
21384 variables, replace with accessor macros.
21385 (immed_double_const): Don't walk const_double_chain outside a
21386 function, but don't treat nested functions specially anymore.
21387 (immed_real_const_1): Likewise.
21388 (clear_const_double_mem): Don't treat nested functions specially.
21389 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
21390 (save_varasm_status, restore_varasm_status): Delete functions.
21391 (init_varasm_status): New function.
21392 (force_const_mem): Don't treat nested functions specially.
21393 (find_pool_constant): Accept new arg F, search for constants in
21394 that function's pool rather than the current one. All callers
21396 (get_pool_constant_for_function, get_pool_mode_for_function): New
21399 * i386.c (init_386_machine_status): New function, mostly from
21400 clear_386_stack_locals.
21401 (struct machine_functions): Rename element names to avoid name
21403 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
21404 macros, replacing global variables.
21405 (clear_386_stack_locals, save_386_machine_status,
21406 restore_386_machine_status): Delete functions.
21407 (override_options): Initialize init_machine_status.
21408 * i386.h (INIT_EXPANDERS): Delete macro.
21409 (save_386_machine_status, restore_386_machine_status,
21410 clear_386_stack_locals): Delete declarations.
21412 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21414 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
21415 (doloop_begin): Simplify pattern and use emit_jump_insn.
21416 (doloop_end): Simplify pattern, switch operand order,
21417 and use emit_jump_insn.
21419 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
21421 * function.h (struct function): Add new element LANGUAGE.
21422 (save_lang_status): Declare new variable.
21423 (restore_lang_status): Likewise.
21424 * function.c (save_lang_status): Define.
21425 (restore_lang_status): Likewise.
21426 (push_function_context_to): Call language-specific save function.
21427 (pop_function_context_from): Call language-specific restore function.
21429 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
21431 * i386.md (movsf_1): Check REG_P before use of REGNO.
21432 (movdf_1): Likewise.
21433 (movxf_1): Likewise.
21434 (extendsfdf2): Likewise.
21435 (extendsfxf2): Likewise.
21436 (extenddfxf2): Likewise.
21438 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21440 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
21441 constants into memory.
21442 (c4x_shiftable_constant): New function.
21443 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
21444 (c4x_shiftable_constant): Declare.
21445 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
21446 ashlqi3_noclobber): Add new patterns and associated splitters.
21448 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
21450 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
21451 * dwarf2out.c (dwarf2out_frame_init): Likewise.
21452 * final.c (shorten_branches): Likewise.
21453 * global.c (global_alloc): Likewise.
21454 * haifa-sched.c (build_control_flow): Likewise.
21455 * stmt.c (check_for_full_enumeration_handling): Likewise.
21456 (estimate_case_costs): Likewise.
21458 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
21460 * rtl.h (RTL_CHECKC2): Fix typo in last change.
21462 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
21464 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
21465 (recompute_reg_usage): Likewise.
21466 * rtlanal.c (find_regno_fusage): Likewise.
21468 * rtl.c (rtl_check_failed_code1): New function.
21469 (rtl_check_failed_code2): New.
21470 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
21471 (RTL_CHECKC1, RTL_CHECKC2): New.
21472 (XC*): New accessor macros.
21473 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
21474 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
21475 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
21476 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
21477 (TRAP_*, RANGE_INFO_*): Likewise.
21479 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21481 * Makefile.in (tlink.o): Don't depend on toplev.h.
21483 * collect2.c (c_file, o_file, export_file, import_file, ldout,
21484 output_file, nm_file_name, ldd_file_name, strip_file_name,
21485 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
21486 add_prefix, prefix_from_env, prefix_from_string, do_wait,
21487 fork_execute, maybe_unlink, add_to_list,
21488 extract_init_priority, write_list, dump_list,
21489 dump_prefix_list, write_list_with_asm, write_c_file,
21490 write_c_file_stat, write_c_file_glob, scan_prog_file,
21491 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
21492 ignore_library, extract_string, notice, dump_file, target_machine,
21493 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
21494 read_file, print_load_command): Constify a char*.
21495 (fdopen, error, fatal, fatal_perror): Don't prototype.
21496 (my_strerror): Remove. All callers use xstrerror instead.
21497 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
21498 (main): Add prototype. Constify lots of char* ptrs. Change calls
21499 to xcalloc/strcpy/strcat/... to one call to concat.
21500 (main, scan_prog_file, scan_libraries): Use an intermediate
21501 `const char **' to build an argv array.
21502 (mapfile, libselect, libcompare, locatelib): Add prototypes.
21504 * collect2.h (collect_execute, collect_wait, dump_file,
21505 file_exists): Constify a char*.
21506 (ldout, c_file_name, temporary_obstack, permanent_obstack,
21507 temporary_firstobj, vflag, debug): Add extern declarations.
21508 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
21510 * tlink.c: Don't include toplev.h.
21511 (vflag, debug, ldout, c_file_name, temporary_obstack,
21512 permanent_obstack, temporary_firstobj): Don't declare.
21513 (tlink_execute, frob_extension, symbol_hash_lookup,
21514 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
21515 recompile_files, read_repo_files, demangle_new_symbols,
21516 scan_linker_output): Constify a char*.
21517 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
21518 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
21520 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
21522 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
21523 (relative) rather than jsr (absolute) subroutine call insns.
21524 * config/m68k/m68k-coff.h: Ditto.
21526 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
21528 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
21529 now rework these too.
21530 (arm_reorg): If an insn can't reach the end of the current pool,
21531 ensure that we emit that pool before the insn.
21533 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
21535 * tlink.c (scan_linker_output): Skip the initial underscore in
21536 a mangled name if appropriate.
21538 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21540 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
21541 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
21542 error_with_ivar, gen_declarator, create_builtin_decl,
21543 my_build_string, generate_descriptor_table, generate_ivars_list,
21544 generate_dispatch_table, check_protocols, TAG_GETCLASS,
21545 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
21546 dump_base_name, lang_decode_option, build_encode_expr,
21547 start_class, finish_class, encode_pointer, really_start_method,
21548 gen_declaration, dump_interface, handle_class_ref, handle_impent):
21550 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
21551 Add static prototypes.
21552 (build_objc_string_decl, build_selector_reference_decl,
21553 encode_bitfield, build_class_reference_decl): Remove unused
21554 parameter, all callers changed.
21555 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
21556 (objc_printable_name): Likewise. Change second parameter to type int.
21557 (init_objc): Use memcpy, not bcopy, to avoid casts.
21559 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
21561 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
21562 reg notes on a deleted insn.
21563 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
21565 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
21567 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
21569 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21571 * stmt.c (expand_asm_operands): Fix index into inout_mode when
21574 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
21576 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
21577 * tm.texi (MD_ASM_CLOBBERS): Document it.
21579 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
21581 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
21582 * except.c (expand_rethrow): Remove unused variable.
21583 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
21584 * flow.c (replace_insns): Likewise.
21585 (create_edge_list, verify_edge_list): Likewise.
21586 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
21588 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
21589 is special code to run.
21590 (main): Don't define operands to emit_operand.
21591 * genrecog.c (main): Don't emit an empty peephole2_insn function.
21593 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
21595 * alpha/alpha.h (normal_memory_operand): Declare.
21596 (reg_no_subreg_operand): Declare.
21597 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
21599 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
21601 * c-parse.in (compstmt_primary_start): New, broken out of first
21602 part of compstmt handling in primary.
21603 (primary): Use it. Add an error clause.
21604 (compstmt_nostart): Renamed from compstmt; remove all
21605 initial invocations of compstmt_start.
21608 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
21610 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
21613 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
21615 * combine.c (simplify_shift_const): Remove extra semicolon.
21616 * dwarf2out.c (remove_AT): Likewise.
21617 * expmed.c (expand_mult): Likewise.
21618 * gcov.c (create_program_flow_graph): Likewise.
21619 * reorg.c (mostly_true_jump): Likewise.
21621 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
21623 * fold-const.c (fold_range_test): Do not try to fold the range
21624 test if the rhs or lhs has side effects.
21626 * combine.c (simplify_rtx): Recognize another case of a synthesized
21629 * varasm.c (mark_constant_pool): When marking indirect references,
21630 only look at SYMBOL_REFs.
21632 * except.c (expand_fixup_region_end): Do not peek at
21633 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
21635 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
21637 * flags.h: New variables align_loops, align_loops_log,
21638 align_jumps, align_jumps_log, align_labels, align_labels_log,
21639 align_functions, align_functions_log.
21640 * toplev.c: Define them.
21641 (f_options): Handle -falign-* when they have no argument.
21642 (main): Add logic to set variables for -falign-functions,
21643 -falign-jumps, -falign-labels, -falign-loops.
21644 Make it -fsched-verbose=<n> and -finline-limit=<n>.
21645 (display_help): Change help to match options.
21646 * final.c (LABEL_ALIGN): Default to align_labels_log.
21647 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
21648 (LOOP_ALIGN): Default to align_loops_log.
21649 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
21650 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
21651 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
21652 * varasm.c (assemble_start_function): Handle align_functions.
21654 * config/sparc/sparc.h: Don't declare sparc_align_*.
21655 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
21656 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
21658 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
21660 * config/sparc/sparc.c: Delete sparc_align_loops,
21661 sparc_align_jumps, sparc_align_funcs and the corresponding string
21663 (sparc_override_options): Default align_functions on ultrasparc.
21664 Delete -malign-* handling.
21666 * config/mips/mips.c (override_options): On 64-bit targets,
21667 try to align code to 64-bit boundaries.
21668 (print_operand): New substitution, %~,
21669 which aligns labels to align_labels_log.
21670 * config/mips/mips.md (div_trap_normal): Use %~.
21671 (div_trap_mips16): Likewise.
21673 (absdi2): Likewise.
21674 (ffssi2): Likewise.
21675 (ffsdi2): Likewise.
21676 (ashldi3_internal): Likewise.
21677 (ashrdi3_internal): Likewise.
21678 (lshrdi3_internal): Likewise.
21679 (casesi_internal): Likewise.
21681 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
21683 Merge new ia32 backend from the branch!
21685 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
21686 See ChangeLog.P2 on new_ia32_branch for details.
21688 * rtl.h (stack_regs_mentioned_p): Delete prototype.
21689 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
21690 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
21691 * i386/gas.h (ASM_FILE_START): Define.
21692 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
21693 for name change of ix86_valid_decl_attribute_p.
21694 (i386_pe_valid_type_attribute_p): Similarly.
21696 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
21698 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
21699 to step through CC modes.
21701 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21703 * regmove.c (fixup_match_1): Don't move INSN in front of P if
21704 it would end up in the shadow of a live flags regsiter.
21706 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21708 * reload1.c: Fix many indentation problems.
21709 * reload.c: Likewise.
21711 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
21713 * alias.c (non_local_reference_p): Constify fmt.
21715 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
21717 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
21719 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
21721 * cse.c (delete_trivially_dead_insns): Do not delete stores to
21722 the internal_arg_pointer.
21724 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
21726 Merge peephole2 from new_ia32_branch:
21727 * Makefile.in (STAGESTUFF): Add *.peephole2.
21728 (mostlyclean): Likewise.
21729 (recog.o): Depend on resource.h.
21731 * final.c (peephole): Conditionalize decl on HAVE_peephole.
21732 (final_scan_insn): Likewise for the invocation of peephole.
21733 * genconfig.c (main): Look for peephole and peephole2 patterns.
21734 Emit HAVE_peephole* accordingly.
21735 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
21736 * flags.h (flag_peephole2): Declare.
21737 * toplev.c: New pass peephole2. New flag -fpeephole2.
21739 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
21740 * gencodes.c (main): Likewise.
21741 * genextract.c (main): Likewise.
21742 * genoutput.c (main): Likewise.
21743 * genemit.c (max_operand_1): Look for the max scratch operand.
21744 (gen_rtx_scratch): New.
21745 (gen_exp): Use it, and pass on new arg subroutine_type.
21746 (gen_expand): Take max scratch into account.
21747 (gen_split): Emit peephole2 functions.
21748 (output_peephole2_scratch): New.
21749 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
21750 * genrecog.c (routine_type): Add PEEPHOLE2.
21752 (make_insn_sequence): Match outer parallel for peep2. Discard
21753 top level scratches and dups.
21754 (add_to_sequence): New args insn_type and top. Update all callers.
21755 Handle toplevel peep2 matching insns.
21756 (write_subroutine): Handle peep2.
21757 (write_tree_1): Likewise.
21758 (write_tree): Likewise.
21760 (change_state): New arg afterward. Update all callers.
21761 Handle matching separate insns.
21762 * recog.c (recog_next_insn): New.
21763 (peephole2_optimize): New.
21764 * rtl.def (DEFINE_PEEPHOLE2): New.
21765 * resource.c (find_free_register): New argument last_insn. Use it
21766 to find a register available through the entire span.
21767 * resource.h (find_free_register): Update prototype.
21769 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
21771 * i386.c (output_strlen_unroll): Don't write xops[7]
21772 label if it wasn't set.
21774 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
21776 * cpplib.c (struct directive): Const-ify name pointer and
21777 function pointer prototype.
21778 (validate_else, do_define, do_line, do_include, do_undef,
21779 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
21780 do_elif, do_endif, do_sccs, do_assert, do_unassert,
21781 do_warning): Const-ify second arg.
21782 (directive_table): Mark const. Reorder entries by frequency
21783 of usage, record statistics.
21785 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
21787 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
21788 bounds- check RTL accesses if --enable-checking.
21789 (RTVEC_ELT): Bounds check if --enable-checking.
21790 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
21791 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
21792 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
21794 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
21795 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
21797 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
21798 (NOTE_SOURCE_FILE): Use X0STR.
21799 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
21800 MEM_ALIAS_SET): Use X0INT.
21801 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
21802 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
21804 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
21805 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
21806 (rtl_check_failed_bounds, rtl_check_failed_type1,
21807 rtl_check_failed_type2, rtvec_check_failed_bounds): New
21809 (fancy_abort): Fix comment.
21811 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
21812 (cse_insn): Decrement LABEL_NUSES for jump target before
21813 deleting jump insn.
21814 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
21815 * final.c (alter_subreg): Compute regno before changing x to
21816 REG; set REGNO(x) after changing it.
21817 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
21818 notes containing CONST_INTs.
21819 (delete_eh_regions): Use NOTE_EH_HANDLER.
21820 * function.c (put_reg_into_stack): Make reg a MEM before
21822 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
21824 (gen_mem_addressof): Make reg a MEM before initializing it.
21825 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
21827 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
21828 deleting an insn, not after.
21829 (block_alloc): Only look at PATTERN(insn) if we have to, and
21830 only if it's format class 'i'.
21831 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
21832 CONST_INT before using its INTVAL.
21833 * print-rtl.c (print_rtx): Use X0STR.
21834 * regmove.c (fixup_match_1): Don't look at PATTERN of
21835 non-class-'i' insn chain elements.
21836 * reload.c (loc_mentioned_in_p): Take address of
21837 in->fld[1].rtx directly.
21838 * reload1.c (reload): Change reg to a MEM before initializing
21840 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
21842 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
21844 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
21846 * config/mips/mips.c (machine_dependent_reorg): Force a
21847 barrier to output the local constant pool if a barrier hasn't
21848 been found at a natural point in the instruction stream.
21850 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21852 * c-parse.in (language_string): Constify.
21854 * dwarf2out.c (language_string): Remove declaration.
21856 * dwarfout.c (language_string): Likewise.
21858 * toplev.c (language_string, init_parse, finish_parse): Likewise.
21860 * tree.h (language_string, init_parse, finish_parse): Declare.
21862 * i386/sun386.h (language_string): Remove declaration.
21864 * mips.h (language_string): Likewise.
21866 * nextstep.h (language_string): Likewise.
21868 * nextstep21.h (language_string): Likewise.
21870 * rs6000.c (language_string): Likewise.
21872 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21874 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
21875 (getpwd.o): Remove target.
21877 * getpwd.c: Delete file. Its in libiberty now.
21879 * dbxout.c (getpwd): Don't prototype.
21880 * dwarf2out.c (getpwd): Likewise
21881 * dwarfout.c (getpwd): Likewise
21882 * final.c (getpwd): Likewise.
21883 * protoize.c (getpwd): Likewise.
21885 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21887 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
21889 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
21891 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
21892 mark_set_resources.
21894 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
21896 * fixinc/Makefile.in (subdir): New.
21897 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
21900 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
21902 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
21903 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
21906 * invoke.texi: Fix typo.
21908 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
21909 changed. Handle autoincrement addressing modes.
21911 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
21912 just like we would the virtual incoming args register when
21915 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
21917 * rs6000.h (ASM_FILE_START): Specify complete filename, including
21918 path, in .file directive.
21920 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
21922 * gcc.texi (External Bugs): Remove obsolete note about Perl on
21925 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
21927 * stdbool.h: Make the typedef name _Bool, with bool a #defined
21930 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21932 * tree.c (tree_code_name): Constify a char*.
21934 * tree.h (tree_code_name, decl_printable_name): Likewise.
21936 * function.h (struct function): Likewise.
21938 * toplev.c (decl_name, decl_printable_name): Likewise.
21940 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
21942 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
21943 (init_objc): Remove function pointer cast.
21945 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21947 * pa.md (interspace_jump): New pattern.
21948 (builtin_longjmp): New expander.
21950 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
21952 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
21953 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
21954 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
21956 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
21958 * jump.c (delete_prior_computation): Also check calls
21959 to constant functions. Don't bother checking for a
21960 REG_UNUSED note before adding it.
21961 (delete_computation): Handle multi-word hard registers
21962 when synthesizing missing REG_DEAD notes for a register
21963 which is both set and used by an insn.
21965 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21967 * loop.c (this_loop_info): New variable.
21968 (loop_has_call, loop_has_volatile, loop_has_tablejump,
21969 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
21971 (prescan_loop, strength_reduce): New argument loop_info. All callers
21973 (scan_loop): New variable loop_info, initialise to address of
21975 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
21976 Delete variable loop_has_multiple_exit targets and replace with
21977 field in this_loop_info.
21978 (find_and_verify_loops): Rename this_loop to this_loop_num.
21979 (strength_reduce): Delete loop_iteration_info. Replace variable
21980 loop_info with function argument of same name.
21981 (insert_bct): Rework test for loop being completely unrolled.
21983 * loop.h (struct loop_info): New fields num, loops_enclosed,
21984 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
21985 has_indirect_jump, and cont. Redefine use of unroll_number.
21986 (loop_unroll_number): Delete.
21988 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
21989 field of loop_info.
21990 (loop_iterations): Delete variable vtop and instead use
21991 loop_info->vtop computed in prescan_loop.
21993 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
21995 * fix-header.c (main): Do not pass a null pointer to strcmp.
21997 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
21999 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
22001 * configure: Rebuilt.
22003 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
22005 * jump.c (jump_optimize_1): Do not delete assignments to
22006 internal_arg_pointer.
22007 * cse.c (delete_trivially_dead_insns): Always consider a set of
22008 the internal_arg_pointer live.
22010 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
22012 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
22013 (update_life_info) [REG_WAS_0]: Search the original insns rather
22014 than the new insns for the note. Fix typos finding note_dest.
22015 If no dest found, discard the note rather than abort.
22016 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
22017 (replace_insns): Remove the old insn list after update_life_info
22020 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
22022 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
22023 sched_analyze_insn.
22024 (sched_analyze_1): Let add_dependence care for not adding dups.
22025 (sched_analyze_2): Likewise.
22026 (add_branch_dependences): Likewise.
22028 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
22030 * i386/winnt.c (export_list): New type.
22031 (exports_head): Rename to
22032 (export_head): this.
22033 (i386_pe_record_exported_symbol): Add is_data flag.
22034 (i386_pe_asm_file_end): Emit directive for exported variables.
22035 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
22037 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
22038 (ASM_DECLARE_OBJECT_NAME): Likewise.
22039 (ASM_DECLARE_FUNCTION_NAME): Likewise.
22040 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
22042 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
22044 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
22046 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
22049 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
22051 * config/openbsd.h: Define SET_ASM_OP.
22052 * tm.texi: cross-reference SET_ASM_OP in the index.
22054 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
22056 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
22057 for a CONST_DOUBLE, at compile time. Initialize rtx_length
22058 and class_narrowest_mode at compile time. Kill init_rtl.
22059 Mark rtx_length, mode_class, mode_size, mode_unit_size,
22060 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
22061 rtx_format as const. Kill all references to EXTRA_CC_MODES or
22063 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
22065 * rtl.h: Declare rtx_length and rtx_format as const.
22066 * machmode.def: Define CC(). Use CC() to define CCmode. If
22067 EXTRA_CC_MODES is defined, expand it here.
22068 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
22069 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
22070 const. Kill all references to EXTRA_CC_MODES.
22072 * toplev.c: Don't prototype or call init_rtl.
22073 * optabs.c: Don't call init_mov_optab.
22074 * genemit.c: Don't generate init_mov_optab. Don't call
22076 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
22078 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
22079 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
22080 genrecog.c: Don't call init_rtl.
22082 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
22083 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
22084 definition of EXTRA_CC_MODES.
22086 * md.texi: Kill ref to EXTRA_CC_NAMES.
22087 * tm.texi: Document new way to define EXTRA_CC_MODES.
22089 * genrecog.c: Do not look up the name of a define_split.
22090 (Unrelated bugfix.)
22092 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
22094 * config/v850/v850.md: Fix typo introduced by previous delta.
22096 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22098 * gcc.c (fatal): Make definition static to match prototype.
22100 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22102 * combine.c (get_last_value): Don't look for earlier sets if the last
22103 known set is somewhere in between the insns being combined.
22105 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
22107 * configure.in: Don't use shell ! to negate exit codes
22108 * configure: Regenerate
22110 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
22112 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
22113 the fact that ALIGN is measured in bits, not bytes.
22115 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
22117 * errors.c: New file; defines functions error, warning, and
22118 fatal, variables have_error and progname.
22119 * errors.h: New file; prototypes and decls for stuff in errors.c.
22121 * Makefile: Add rules to build errors.o and
22122 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
22123 genopinit, genrecog, genextract, genpeep, genattr, and
22124 genoutput with errors.o. Add errors.h to deps of genconfig.o,
22125 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
22126 genpeep.o, genattr.o, and genoutput.o.
22128 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
22129 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
22130 define or prototype fatal. Set progname at beginning of main.
22131 * genoutput.c: Likewise, and don't define or prototype error
22134 * c-typeck.c (c_expand_start_case): Return immediately if exp
22136 * fold-const.c (operand_equal_p): Return immediately if arg1
22137 or arg0 are ERROR_MARKs.
22138 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
22139 fields of type ERROR_MARK when calculating if the record can
22142 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
22143 with much help from Jeffrey A Law and Richard Henderson
22145 * i386.md: In the 6 insns which call output_fix_trunc,
22146 earlyclobber operands[0].
22148 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
22150 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
22151 creating new registers.
22153 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
22155 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
22156 i386_reg_alloc_order, i386_regparm_string,
22157 i386_align_loops_string, i386_align_jumps_string,
22158 i386_align_funcs_string, i386_preferred_stack_boundary_string,
22159 and i386_branch_cost_string as type "const char *".
22160 * i386.c: Define all above strings as type "const char *".
22162 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
22164 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
22165 when emitting alignment padding. Emit padding byte of 0 instead of 4.
22167 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
22169 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
22170 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
22172 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
22174 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
22175 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
22176 (dwarf2out_line, dwarf2out_finish): Likewise.
22177 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
22179 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
22181 * tree.c (lang_unsave_expr_now) : Correct return type.
22182 * tree.h (lang_unsave_expr_now) : Same.
22184 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
22186 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
22187 instead of duplicating code.
22189 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22191 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
22193 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
22195 * tree.h: fancy_abort always takes three args.
22196 * resource.c: Move include of system.h before toplev.h.
22198 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
22200 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
22203 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
22205 * system.h: Don't redefine abort or trim_filename.
22206 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
22207 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
22208 whether or not __FUNCTION__ is available.
22209 * tree.h: Duplicate rtl.h's definition of abort, for files
22210 that don't include rtl.h. Delete all code to perform type
22211 checking with a compiler other than GCC.
22212 * varray.h: Delete all code to perform type checking with a
22213 compiler other than GCC. Make VARRAY_CHECK() always evaluate
22214 its arguments exactly once, using a statement expression.
22215 Adjust the VARRAY_<type> accessor macros to match.
22216 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
22217 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
22218 caller's location. Define fatal_insn and fatal_insn_not_found
22219 as macros that use _fatal_insn and _fatal_insn_not_found.
22220 (fancy_abort, trim_filename): Kill prototypes.
22222 * rtl.c (trim_filename): Move here from toplev.c.
22223 (fancy_abort): New function.
22224 (DIR_SEPARATOR): Provide default definition.
22225 * tree.c (tree_check_failed, tree_class_check_failed): Go
22226 through fancy_abort.
22227 (tree_check, tree_class_check, cst_or_constructor_check,
22228 expr_check): Delete.
22229 * varray.c (varray_check_failed): New function.
22230 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
22231 _fatal_insn and _fatal_insn_not_found. Go through
22233 (trim_filename, fancy_abort): Delete.
22235 * builtins.c (expand_builtin_args_info): Report ICE with abort.
22236 * except.c (start_catch_handler): Report ICE with error/abort
22238 * final.c (output_operand_lossage): Likewise.
22239 * flow.c (verify_flow_info): Likewise.
22241 * gcc.c: Prototype fatal.
22242 * gengenrtl.c: Undef abort after including rtl.h not system.h.
22243 * genattr.c, genattrtab.c, genemit.c, genextract.c,
22244 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
22245 Don't define fancy_abort.
22247 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
22249 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
22252 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
22254 * m88k.h (VERSION_INFO2): Kill.
22255 (VERSION_STRING): Kill.
22257 (VERSION_INFO1): Tidy.
22258 (TARGET_VERSION): Update.
22259 * m88k/dgux.h (VERSION_INFO2): Kill.
22260 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
22261 * m88k/luna.h (VERSION_INFO1): Tidy.
22262 * m88k/sysv4.h (VERSION_INFO1): Likewise.
22263 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
22264 (output_file_start): Adjust for death of VERSION_STRING.
22266 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
22268 * cpplib.c (detect_if_not_defined): New function.
22269 (do_if): Use it to detect potential once-only headers.
22271 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
22273 * c-common.c (combine_strings): Always set TREE_CONSTANT.
22275 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
22277 * combine.c (nonzero_bits) : Allow single-ly set registers to be
22278 anywere in the function only if they are pseudos and set before
22279 being used (not live at the start of the function).
22280 (num_sign_bit_copies) : Same.
22281 (get_last_value_validate) : Same.
22282 (get_last_value) : Same.
22284 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
22286 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
22287 where N and M are constant and N is an integer multiple of M.
22289 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22291 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
22292 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
22293 sbitmap_union_of_preds): Add prototypes.
22294 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
22295 the intersection of successors with the new flow graph structures.
22296 (sbitmap_intersection_of_preds): New function to compute the
22297 intersection of predecessors with the new flow graph structures.
22298 (sbitmap_union_of_succs): New function to compute the union of
22299 successors with the new flow graph structures.
22300 (sbitmap_union_of_preds): New function to compute the union of
22301 predecessors with the new flow graph structures.
22302 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
22303 (expr_reaches_here_p): Use edge and basic_block structures instead
22304 of s_preds and s_succs.
22305 (compute_cprop_avinout): Use new sbitmap routines.
22306 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
22307 of s_preds and s_succs.
22308 * flow.c (compute_flow_dominators): Compute dominators using
22309 edges and basic blocks instead of s_preds and s_succs.
22311 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22313 * lists.c (unused_insn_list, unused_expr_list): New file for
22314 maintaining various types of lists. New statics for maintaining a
22315 cache of available INSN_LIST and EXPR_LIST nodes.
22316 (free_list): Static function for freeing a list of INSN/EXPR nodes.
22317 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
22318 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
22319 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
22320 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
22321 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
22322 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
22323 (free_INSN_LIST_node): Free an individual INSN_LIST node.
22324 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
22325 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
22326 (remove_dependence, free_pending_lists): Use new global routines.
22327 (flush_pending_lists, sched_analyze_insn): Use new global routines.
22328 (sched_analyze, compute_block_backward_dependences): Use new routines.
22329 (sched_analyze_1, sched_analyze_2): Use new routines.
22330 (schedule_insns): Use new global routines.
22331 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
22333 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
22334 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
22336 * toplev.c (rest_of_compilation): Initialize node cache.
22337 * Makefile.in (OBJS): Add lists.o to list of object files.
22338 (lists.o): Add dependancies.
22340 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
22342 * config/v850/v850.md: Fix compile time warning messages.
22343 * config/v850/v850.c: Fix compile time warning messages.
22344 * config/v850/v850.h: Fix compile time warning messages.
22346 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22348 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
22349 Remove unused prototype for `init_lengths'.
22351 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22353 * calls.c (emit_call_1): Mark parameter `stack_size' with
22355 (expand_call): Initialize variable `insn'.
22356 (emit_library_call): Likewise for variable `high_to_save'.
22357 (emit_library_call_value): Likewise.
22358 (store_one_arg): Likewise for variables `lower_bound' and
22361 * combine.c (try_combine): Likewise for variables `i2_code_number'
22362 and `other_code_number'.
22363 (find_split_point): Likewise for variables `pos', `unsignedp' and
22365 (simplify_if_then_else): Likewise for variables `op' and `c1'.
22366 (simplify_and_const_int): Remove unused variable `width'.
22367 (merge_outer_ops): Likewise.
22369 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
22370 HOST_WIDE_INT' when comparing against one.
22371 (simplify_relational_operation): Likewise.
22372 (cse_insn): Initialize variables `src_eqv_volatile',
22373 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
22375 * final.c (init_final): Constify parameter `filename'.
22376 (final_start_function): Mark parameter `optimize' with
22378 (profile_function): Likewise for parameters `first' and `optimize'.
22379 (output_source_line): Likewise for parameter `file'.
22381 * integrate.c (subst_constants): Cast a value to `size_t' when
22382 comparing against one.
22383 (mark_stores): Initialize variable `mode'. Cast a value to
22384 `size_t' when comparing against one.
22386 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
22388 * loop.c (move_movables): Initialize variable `first'.
22389 (strength_reduce): Likewise for variable `increment'.
22390 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
22391 value to `size_t' when comparing against one.
22392 (load_mems): Initialize variable `end_label'.
22394 * output.h (init_final): Constify parameter.
22396 * reload.c (decompose): Initialize variable `base'.
22398 * reload1.c (reload): Likewise for variable `is_scalar'.
22399 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
22400 (choose_reload_regs): Initialize variable `mode'.
22401 (emit_reload_insns): Likewise for variable `store_insn'.
22402 (reload_cse_noop_set_p): Mark parameter `insn' with
22404 (reload_combine): Initialize variable `set'.
22406 * unroll.c (unroll_loop): Likewise for variable `local_label'.
22407 (copy_loop_body): Cast a value to `size_t' when comparing against
22410 * varasm.c (assemble_variable): Initialize variable `size_tree'.
22411 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
22412 (remove_from_pending_weak_list): Mark parameter `name' with
22415 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22417 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
22420 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
22422 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
22423 (ASM_DECLARE_FUNCTION_NAME): Define.
22424 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
22425 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
22426 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
22427 not already defined.
22429 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
22431 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
22432 of n_popped when call/call_value are not defined.
22434 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
22436 * tm.texi: GNU CC -> GCC conversion.
22437 (CC1_SPEC): Indicate it is used for all language front ends.
22439 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
22441 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
22442 NOTE_INSN_EH_REGION_END correctly.
22444 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
22445 Jeff Law <law@cygnus.com>
22447 * loop.c (strength_reduce): Automatically unroll loops if the
22448 unrolled loop size is smaller than the rolled loop size.
22450 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
22451 and delete comment that code should be rewritten.
22453 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
22455 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
22458 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
22460 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22462 * fixinc/mkfixinc.sh: Don't fix uwin headers.
22463 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
22464 (LINK_SPEC): Add -u _main when building executables.
22465 (ASM_DECLARE_FUNCTION): Update from Cygwin.
22466 (ASM_FILE_END): Use the default for ix86-pe.
22467 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
22469 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
22471 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
22472 and ASM_CLOSE_PAREN are empty strings.
22474 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
22475 Geoffrey Keating <geoffk@cygnus.com>
22477 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
22478 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
22479 (unprotoize.o): Ditto.
22480 (test-protoize-simple): Don't define STD_PROTO_DIR.
22481 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
22482 changes to make 'test-protoize-simple' pass.
22483 (STD_PROTO_DIR): Remove define.
22484 (STANDARD_EXEC_PREFIX): Supply default define.
22485 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
22486 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
22487 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
22488 (GET_ENV_PATH_LIST): New macro.
22489 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
22490 (do_processing): Initialize default_syscalls_dir using new
22491 macros. Use it to initialize syscalls_absolute_filename.
22493 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
22495 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
22496 B into a register before emit_conditional_move.
22498 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
22500 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
22501 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
22502 multiplicand out of (+ (* a b) (* c d)).
22504 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
22505 Richard Henderson <rth@cygnus.com>
22507 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
22508 (new_insn_dead_notes): Likewise.
22509 (update_n_sets): Likewise.
22510 (update_flow_info): Move to flow.c, renamed to update_life_info;
22511 extend to handle multiple source insns.
22512 * flow.c: Include resource.h
22513 (unlink_insn_chain): New.
22514 (split_hard_reg_notes): New.
22515 (maybe_add_dead_note): New.
22516 (maybe_add_dead_note_use): New.
22517 (find_insn_with_note): New.
22518 (new_insn_dead_notes): New.
22519 (update_n_sets): New.
22520 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
22521 (maybe_remove_dead_notes): New.
22522 (update_life_info): New.
22523 (prepend_reg_notes): New.
22524 (replace_insns): New.
22525 * output.h (update_life_info): Declare.
22526 * recog.c (split_block_insns): Use update_life_info.
22527 * resource.c (find_free_register): Use reg_alloc_order, don't use
22528 fixed regs, make sure the mode is supported, don't use new regs.
22530 * rtl.h (replace_insns): Declare.
22532 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
22534 * expr.c (expand_expr): Cope with COND_EXPRs with one
22535 non-returning branch.
22537 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
22539 * expr.c (store_expr): Always pass down the target, even when not
22542 1999-08-24 Nick Clifton <nickc@cygnus.com>
22544 * configure.in: Define target_cpu_default for v850 targets.
22545 * configure: Regenerate
22547 * config/v850/v850.h (TARGET_CPU_generic): Define.
22548 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
22549 addresses are 4 byte aligned.
22551 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
22554 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22556 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
22557 (main): Add prototypes.
22559 * genattrtab.c (substitute_address, write_const_num_delay_slots,
22560 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
22561 (write_attr_get): Emit prototypes along with function definition.
22562 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
22563 (write_complex_function): Emit static prototype along with
22564 function definition.
22566 * genemit.c (gen_split): Emit prototypes along with function
22569 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
22570 Likewise for predicates and `insn_operand_predicate'.
22571 (process_template): Emit static prototype along with function
22574 * genrecog.c (make_insn_sequence): Constify a char*. Add
22575 prototypes for get_split_*().
22576 (write_subroutine): Emit prototypes along with function
22579 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22581 * gcse.c (find_avail_set): Follow chains of register-register copies.
22582 Use oprs_not_set_p to guarantee that the returned value can be
22584 (cprop_insn): Don't verify the return value of find_avail_set with
22587 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
22588 (cprop_cc0_jump): New function.
22589 (cprop_insn): Break out new function cprop_jump and use it.
22590 Also use cprop_cc0_jump for machines with CC0.
22591 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
22593 * tree.h (current_function_calls_setjmp,
22594 current_function_calls_longjmp): Delete declarations.
22595 * dsp16xx.c: Include "function.h".
22596 * elxsi.c: Likewise.
22597 * gmicro.c: Likewise.
22598 * h8300.c: Likewise.
22599 * i370.c: Likewise.
22600 * m32r.c: Likewise.
22601 * mn10200.c: Likewise.
22602 * mn10300.c: Likewise.
22603 * ns32k.c: Likewise.
22604 * spur.c: Likewise.
22605 * v850.c: Likewise.
22607 * rtl.h (rtx_equal_function_value_matters): Declare.
22608 * toplev.c (rtx_equal_function_value_matters): Don't declare.
22610 * function.c: Likewise.
22611 * emit-rtl.c: Likewise.
22613 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
22615 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
22618 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
22620 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
22623 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
22625 * cpp.texi: Add a node documenting macro varargs (copied
22628 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
22630 * cppspec.c: Put a null pointer at the end of the new argv.
22632 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
22634 * configure.in: Remove code to select/de-select the haifa
22635 scheduler. Every scheduled port gets haifa now.
22636 * configure: Rebuilt.
22637 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
22639 * Makefile.in: Corresponding changes.
22641 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22643 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
22644 All callers changed.
22645 (prepare_float_lib_cmp): Likewise.
22646 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
22647 * expr.h (emit_float_lib_cmp): Delete declaration.
22648 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
22649 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
22650 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
22652 (cmptf): Now conditional on TARGET_HARD_QUAD.
22654 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
22656 * resource.c (mark_target_live_regs): Use
22657 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
22659 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22661 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
22663 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
22665 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
22667 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22669 * rtl.h (rtx_format): Constify a char*.
22671 * rtl.c (rtx_format): Likewise.
22672 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
22673 (init_rtl): Use accessor macro, not `rtx_format'.
22675 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
22678 * caller-save.c (mark_referenced_regs): Likewise.
22680 * combine.c (subst, make_compound_operation, known_cond,
22681 gen_rtx_combine, update_table_tick, get_last_value_validate,
22682 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
22684 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
22685 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
22686 count_reg_usage): Likewise.
22688 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
22691 * final.c (leaf_renumber_regs_insn): Likewise.
22693 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
22694 dump_edge_info, count_reg_references): Likewise.
22696 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
22697 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
22700 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
22701 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
22702 add_label_notes): Likewise.
22704 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
22705 clear_struct_flag, count_sub_rtxs, count_alternatives,
22706 compares_alternatives_p, contained_in_p, walk_attr_value,
22707 write_expr_attr_cache): Likewise.
22709 * genconfig.c (walk_insn_part): Likewise.
22711 * genemit.c (max_operand_1, gen_exp): Likewise.
22713 * genextract.c (walk_rtx): Likewise.
22715 * genflags.c (num_operands): Likewise.
22717 * genoutput.c (scan_operands): Likewise.
22719 * genpeep.c (match_rtx): Likewise.
22721 * genrecog.c (add_to_sequence): Likewise.
22723 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
22726 * integrate.c (save_constants, copy_for_inline,
22727 copy_rtx_and_substitute, subst_constants, restore_constants):
22730 * jump.c (mark_jump_label, invert_exp, redirect_exp,
22731 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
22733 * local-alloc.c (contains_replace_regs, memref_referenced_p):
22736 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
22737 add_label_notes, replace_call_address, count_nonfixed_reads,
22738 invariant_p, find_single_use_in_loop, find_mem_givs,
22739 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
22742 * print-rtl.c (reg_names, print_rtx): Likewise.
22744 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
22746 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
22747 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
22748 print_blocks): Likewise.
22750 * regclass.c (fix_register, record_address_regs,
22751 reg_scan_mark_refs): Likewise.
22753 * regmove.c (stable_but_for_p): Likewise.
22755 * reload.c (loc_mentioned_in_p, operands_match_p,
22756 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
22757 copy_replacements, refers_to_regno_for_reload_p,
22758 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
22759 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
22762 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
22763 delete_address_reloads_1, count_occurrences,
22764 reload_cse_mem_conflict_p, reload_combine_note_use,
22765 add_auto_inc_notes): Likewise.
22767 * resource.c (mark_referenced_resources, mark_set_resources):
22770 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
22771 reg_mentioned_p, regs_set_between_p, modified_between_p,
22772 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
22773 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
22774 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
22775 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
22777 * sched.c (sched_analyze_2, attach_deaths): Likewise.
22779 * stupid.c (stupid_mark_refs): Likewise.
22781 * unroll.c (remap_split_bivs): Likewise.
22783 * varasm.c (mark_constants): Likewise.
22785 * a29k/a29k.c (uses_local_reg_p): Likewise.
22787 * alpha/alpha.c (summarize_insn): Likewise.
22789 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
22790 eliminate_lr2ip): Likewise.
22792 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
22794 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
22795 reg_mentioned_in_mem): Likewise.
22797 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
22798 symbolic_reference_mentioned_p): Likewise.
22800 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
22802 * sh/sh.c (regs_used, mark_use): Likewise.
22804 * vax/vax.c (vax_rtx_cost): Likewise.
22806 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22808 * machmode.h (mode_name): Constify a char*.
22810 * rtl.c (mode_name): Likewise.
22812 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
22814 * optabs.c (init_libfuncs): Constify a char*.
22816 * print-tree.c (mode_name): Remove redundant declaration.
22817 (print_node): Use accessor macro, not `mode_name'.
22819 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
22821 (new_spill_reg): Constify a char*.
22823 * tree.c (mode_name): Remove redundant declaration.
22825 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22827 * rtl.c (rtx_name): Constify a char*.
22829 * rtl.h (rtx_name, fix_sched_param): Likewise.
22831 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
22832 (mypr): Use accessor macro, not `rtx_name'.
22834 * genemit.c (print_code): Constify a char*.
22836 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
22838 * genpeep.c (print_code): Constify a char*.
22840 * genrecog.c (print_code): Likewise.
22842 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
22843 end_bb): Add static prototype.
22844 (draw_edge): Constify a char*.
22845 (end_bb): Remove unused parameter.
22847 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
22848 print_block_visualization): Constify a char*.
22850 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
22852 * c-common.c (c_get_alias_set): Update comment.
22854 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
22856 * linux.h (LIB_SPEC): Added.
22858 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22860 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
22862 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
22864 * tree.c (expr_check): Fix typo in last change.
22866 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
22868 * rtl.def (NOTE): Change format to "iuu0n".
22869 (ADDR_DIFF_VEC): Change format to "eEee0".
22870 (ADDRESSOF): Change format to "eit".
22872 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
22873 (RTVEC_ELT): Change to match.
22874 (XVECEXP): Use XVEC and RTVEC_ELT.
22875 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
22876 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
22877 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
22878 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
22879 TRAP_CONDITION, TRAP_CODE): Use XEXP.
22880 (INTVAL): Use XWINT.
22881 (ADDRESSOF_DECL): Use XTREE.
22882 (SET_ADDRESSOF_DECL): Delete.
22883 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
22884 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
22885 ifdefed out since 2.6 at least.
22886 (gen_rtvec_vv): Delete prototype.
22888 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
22890 (copy_most_rtx): Handle 't' format letter.
22891 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
22892 (gen_rtvec_vv): Delete function. All callers changed to use
22893 gen_rtvec_v instead.
22894 * print-rtl.c (print_rtx): Move special casing of NOTEs to
22895 the '0' format letter.
22897 * function.c (gen_mem_addressof): Don't use
22898 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
22900 * integrate.c (copy_rtx_and_substitute): Likewise.
22901 Copy 't' slots with XTREE.
22902 (subst_constants): Treat 't' slots like '[swi]' slots.
22903 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
22904 * jump.c (rtx_equal_for_thread_p): Likewise.
22905 * rtlanal.c (rtx_equal_p): Likewise.
22906 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
22907 only four arguments.
22908 * gengenrtl.c (type_from_format): Provide correct types for
22912 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
22913 If a recent gcc is in use (always in stage2 and beyond), use
22914 statement expressions, so we don't make a function call unless
22915 the check fails. Evaluate arguments exactly once.
22916 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
22917 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
22919 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
22920 they evaluate their arguments exactly once, irrespective of
22921 the compiler in use.
22923 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
22924 is used by the currently-enabled check macros. This is:
22925 (tree_check_failed, tree_class_check_failed): For gcc.
22926 (tree_check, tree_class_check, cst_or_constructor_check,
22927 expr_check): For other compilers.
22929 * gencheck.c: Do not define any *_CHECK1 macros.
22931 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
22932 Mark Mitchell <mark@codesourcery.com>
22934 * c-common.c (c_get_alias_set): Fix support for poitners and
22937 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
22939 * alias.c: Include tree.h.
22940 (nonlocal_reference_p, mark_constant_function): New functions.
22941 * flow.c (life_analysis): Call mark_constant_function.
22942 * rtl.h (mark_constant_function): Declare it.
22944 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
22946 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
22947 unrecognisable switches.
22949 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22951 * loop.c (recombine_givs): Set ix field after sorting.
22952 (recombine_givs): Remove bogus index / giv lockstep looping.
22954 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22956 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
22958 (emit_store_flag_force): Use do_compare_rtx_and_jump.
22959 (do_cmp_and_jump): Formatting fixes.
22960 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
22961 do_compare_rtx_and_jump instead of compare_from_rtx.
22962 (do_compare_rtx_and_jump): New function; mostly copied from
22964 (do_jump_for_compare): Delete.
22965 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
22967 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
22968 of compare/do_jump_for_compare pairs.
22969 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
22970 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
22971 compare_from_rtx/do_jump_for_compare pairs.
22972 (do_jump_by_parts_equality): Likewise.
22973 (do_jump_by_parts_equality_rtx): Likewise.
22974 * expr.h (do_compare_rtx_and_jump): Declare.
22975 * optabs.c (prepare_cmp_insn): New function, contains most of the code
22976 that used to be in emit_cmp_insn.
22977 (cmp_available_p): New function.
22978 (prepare_operand): New function.
22979 (emit_cmp_and_jump_insn_1): New function, contains some code that used
22980 to be in emit_cmp_insn.
22981 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
22982 parameters to be pointers; don't emit final compare but modify some of
22983 the values pointed to by the args so the caller can perform the
22984 correct comparison.
22985 (expand_binop): Call emit_store_flag_force with signed forms of
22987 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
22988 emit_jump_insn pair.
22989 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
22990 emit_cmp_and_jump_insn_1. Call emit_queue.
22991 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
22993 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
22994 jump sets cc0 before deleting it.
22995 * integrate.c (expand_inline_function): Likewise.
22996 * unroll.c (unroll_loop): Similar changes in several places.
22997 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
22998 before deleting it.
23000 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23002 * Makefile.in (insn-recog.o): Update dependencies.
23003 * genrecog.c (main): Make generated file include "function.h".
23005 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
23007 * cse.c (cse_insn): Call never_reached_warning when a jump is
23008 changed to be unconditional.
23009 * flags.h: Declare warn_notreached.
23010 * flow.c (delete_block): Call never_reached_warning when
23011 a block is deleted.
23012 * jump.c (delete_barrier_successors): Call never_reached_warning
23013 when we delete everything after a BARRIER.
23014 (never_reached_warning): New function.
23015 * rtl.h: Declare never_reached_warning.
23016 * toplev.c (warn_notreached): New variable.
23017 (lang_independent_options): Set warn_notreached
23018 when -Wunreachable-code.
23019 (compile_file): We need line numbers for -Wunreachable-code.
23021 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
23023 * haifa-sched.c (insn_unit): Fix typo on out of range test.
23024 * sched.c (insn_unit): Likewise.
23026 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
23028 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
23030 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23032 * flow.c (create_edge_list): Use xmalloc, not malloc.
23034 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
23036 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
23037 C-style comments. Do not lose the character before double slash.
23039 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23041 * basic-block.h (struct edge_list): Stucture to maintain a vector
23043 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
23044 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
23045 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
23046 New function prototypes.
23047 * flow.c (create_edge_list): Function to create an edge list.
23048 (free_edge_list): Discards memory used by an edge list.
23049 (print_edge_list): Debug output showing an edge list.
23050 (verify_edge_list): Internal consistency check for an edge list.
23051 (find_edge_index): Function to find an edge index for a pred and succ.
23053 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
23055 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
23058 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
23060 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
23062 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
23064 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
23066 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
23068 * toplev.c (rest_of_compilation): Allow machine dependent
23069 reorganisation pass to place information into the RTL dump
23070 file if it so wishes.
23072 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
23074 * explow.c (hard_function_value): Use VOIDmode instead of
23076 * stmt.c (expand_return): Likewise.
23077 * stor-layout.c (get_best_mode): Likewise.
23079 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
23080 emit call instead of emit_insn call.
23082 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
23084 * configure.in: Handle --disable/enable-win32-registry.
23085 * install.texi: Document --disable/enable-win32-registry.
23086 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
23087 (WIN32_REGISTRY_KEY): New macro.
23088 * prefix.c: Use to enable/disable win32-specific code.
23089 (lookup_key): Use versioned key.
23090 * configure: Regenerate.
23091 * config.in: Likewise.
23093 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
23095 * cpplib.c (read_line_number): New fn, split out of...
23098 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
23100 tree.c (lang_unsave_expr_now) : New.
23101 (unsave_expr_now): Call lang_unsave_expr_now.
23102 tree.h (lang_unsave_expr_now) : New.
23104 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
23106 * toplev.c (flag_new_exceptions): On by default.
23108 1999-08-13 Michael Meissner <meissner@cygnus.com>
23110 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
23112 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
23114 * dwarfout.c (fundamental_type_code): Return FT_boolean for
23115 INTEGER_TYPE with precision==1, it's __java_boolean.
23117 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23119 * global.c (prune_preferences): Move some invariants out of the
23122 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
23124 * configure.in (alpha*-dec-osf*): Add osf5.
23126 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
23128 * configure.in: Rework handling of ARM GNU/Linux slightly.
23129 (arm*-*-linux-gnuoldld): New target.
23130 * configure: Regenerate.
23131 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
23132 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
23133 * config/arm/linux-oldld.h: New file.
23134 * config/arm/linux-elf26.h: Don't include linux-elf.h.
23135 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
23137 * config/arm/linux-elf.h (ASM_SPEC): Define.
23138 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
23139 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
23140 for 26-bit APCS and old linker.
23141 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
23143 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
23144 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
23145 don't define `arm' or `arm_elf'.
23146 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
23147 MULTILIB_DIRNAMES): Define. Fix typo in comment.
23149 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
23151 * rtl.texi: Fix typo.
23153 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
23155 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
23157 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
23159 * extend.texi (C++ Signatures): Remove node.
23160 * invoke.texi: Remove discussion of -fhandle-signatures,
23161 signature, sigof, __signature__, and __sigof__.
23163 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
23165 * Makefile.in (JAVAGC): Removed.
23167 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
23169 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
23171 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
23173 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
23175 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
23177 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
23178 a register that is already known to be a pointer.
23180 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
23182 * fixinc/inclhack.tpl: Only install assert.h conditionally.
23183 * fixinc/inclhack.sh: Regenerated.
23184 * fixinc/fixincl.sh: Regenerated.
23186 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
23188 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
23189 Fix documentation of -ansi flag to describe its C++ behavior.
23190 Remove bogus reference to GCC 2.9.
23192 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
23194 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
23195 note if it is non-NULL.
23197 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23199 * except.h (eh_nesting_info): Add new structure defintion.
23200 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
23201 (reachable_handlers, update_rethrow_references): Add function
23203 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
23204 a rethrow symbol instead of an integer exception region number.
23205 * flow.c (Make_edges): Use new exception nesting routines to determine
23206 which handlers are reachable from a CALL or asynchronous insn.
23207 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
23209 (delete_eh_regions): Update rethrow labels, and don't delete
23210 regions which are the target of a rethrow.
23211 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
23212 avoid overloading the SYMBOL_REF_USED flag.
23213 (rethrow_symbol_map): Use new rethrow_ref field.
23214 (rethrow_used): Use new rethrow_ref field.
23215 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
23216 of an integer. Fix formatting.
23217 (output_exception_table_entry): Use new rethrow_ref field.
23218 (can_throw): Check for EH_REGION_NOTE before deciding
23219 whether a CALL can throw or not.
23220 (scan_region): Call rethrow_used() instead of accessing data structure.
23221 (update_rethrow_references): New function to make sure only regions
23222 which are still targets of a rethrow are flagged as such.
23223 (process_nestinfo): New static function to initialize a handler
23224 list for a specific region.
23225 (init_eh_nesting_info): New function to allocate and initialize
23226 the list of all EH handlers reachable from all regions.
23227 (reachable_handlers): New function to retrieve the list of handlers
23228 reachable from a specific region and insn.
23229 (free_eh_nesting_info): New function to dispose of a list of
23230 reachable handlers.
23232 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23234 * flow.c (split_edge): Set JUMP_LABEL field.
23235 (commit_one_edge_insertion): Set head correctly for insert_before.
23236 When inserting insns, update insn block numbers if allocated.
23238 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23240 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
23241 retry_incomplete_types): Add static prototype.
23242 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
23243 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
23244 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
23245 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
23246 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
23249 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
23250 dwarf2out_start_source_file, dwarf2out_line): Likewise.
23252 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23254 * output.h (assemble_name): Constify a char*.
23256 * varasm.c (UNIQUE_SECTION, assemble_start_function,
23257 assemble_variable, assemble_name): Likewise.
23259 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
23261 * arm/pe.c (arm_pe_unique_section): Likewise.
23263 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
23265 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
23267 * i386/interix.c (i386_pe_unique_section): Likewise.
23269 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
23271 * i386/winnt.c (i386_pe_unique_section): Likewise.
23273 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
23275 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
23277 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
23279 * pa/pa.c (output_call): Likewise.
23281 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
23283 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
23285 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
23288 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
23291 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
23293 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
23294 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
23296 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
23298 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23300 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
23302 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23304 * tree.h (lang_identify): Constify a char*.
23305 (print_error_function): Add extern prototype. Constify a char*.
23307 * c-lang.c (lang_identify): Constify a char*.
23309 * objc/objc-act.c (lang_identify): Constify a char*.
23311 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23313 * genpeep.c (main): Make generated file include "function.h".
23314 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
23316 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23318 * Makefile.in: Update dependencies.
23319 * alias.c: Include "function.h"
23320 * c-decl.c: Likewise.
23321 * caller-save.c: Likewise.
23322 * calls.c: Likewise.
23323 * combine.c: Likewise.
23325 * explow.c: Likewise.
23326 * final.c: Likewise.
23327 * global.c: Likewise.
23328 * graph.c: Likewise.
23329 * local-alloc.c: Likewise.
23330 * loop.c: Likewise.
23331 * optabs.c: Likewise.
23332 * profile.c: Likewise.
23333 * recog.c: Likewise.
23334 * regclass.c: Likewise.
23335 * regmove.c: Likewise.
23336 * reload.c: Likewise.
23337 * reorg.c: Likewise.
23338 * resource.c: Likewise.
23339 * sched.c: Likewise.
23340 * stupid.c: Likewise.
23341 * config/1750a/1750a.c: Likewise.
23342 * config/a29k/a29k.c: Likewise.
23343 * config/arc/arc.c: Likewise.
23344 * config/arm/arm.c: Likewise.
23345 * config/arm/thumb.c: Likewise.
23346 * config/c4x/c4x.c: Likewise.
23347 * config/clipper/clipper.c: Likewise.
23348 * config/convex/convex.c: Likewise.
23349 * config/fx80/fx80.c: Likewise.
23350 * config/i860/i860.c: Likewise.
23351 * config/m68k/m68k.c: Likewise.
23352 * config/m88k/m88k.c: Likewise.
23353 * config/mips/mips.c: Likewise.
23354 * config/pdp11/pdp11.c: Likewise.
23355 * config/pyr/pyr.c: Likewise.
23356 * config/romp/romp.c: Likewise.
23357 * config/sh/sh.c: Likewise.
23358 * config/tahoe/tahoe.c: Likewise.
23359 * config/vax/vax.c: Likewise.
23360 * config/we32k/we32k.c: Likewise.
23361 * config/sparc/sparc.c: Include "function.h".
23362 (mem_min_alignment): Test current_function rather than
23363 regno_pointer_align.
23364 * config/pa/pa.c: Likewise.
23365 (compute_frame_size): Delete declaration of
23366 current_function_outgoing_args_size.
23367 * config/arc/arc.h (current_function_varargs): Delete declaration.
23368 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
23370 * config/i370/i370.h (current_function_outgoing_args_size): Delete
23372 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
23373 current_function_uses_pic_offset_table.
23374 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
23375 of current_function_returns_pointer.
23376 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23377 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23378 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23379 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23380 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23381 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23382 * config/m88k/m88k.c: Include "function.h"
23383 (call_used_regs, current_function_pretend_args_size,
23384 current_function_outgoing_args_size, frame_pointer_needed): Delete
23386 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
23388 * config/mips/mips.h (current_function_calls_alloca): Delete
23390 * config/mn10200/mn10200.h (current_function_needs_context,
23391 rtx_equal_function_value_matters): Delete declarations.
23392 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
23393 flag_pic): Delete declarations.
23394 * config/pa/pa.h (current_function_pretend_args_size,
23395 current_function_decl): Delete declarations.
23396 * config/pa/som.h (current_function_varargs): Delete declaration.
23397 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
23399 * config/pyr/pyr.h (current_function_pretend_args_size,
23400 current_function_args_size, current_function_calls_alloca): Delete
23402 * config/sh/sh.h (current_function_varargs): Delete declaration.
23403 * config/sparc/sparc.h (current_function_outgoing_args_size,
23404 current_function_calls_alloca, current_function_decl): Delete
23406 * config/spur/spur.h (current_function_pretend_args_size,
23407 current_function_calls_alloca): Delete declarations.
23408 * config/v850/v850.c (current_function_outgoing_args_size): Delete
23410 * config/vax/vms.h (current_function_name): Delete declaration.
23411 * gcse.c: Include "function.h".
23412 (current_function_name, current_function_calls_setjmp): Delete
23414 * haifa-sched.c: Include "function.h".
23415 (forced_labels): Delete declaration.
23416 * jump.c: Likewise.
23417 * reg-stack.c: Likewise.
23418 * reload1.c: Likewise.
23419 * genemit.c (main): Make generated file include function.h.
23420 * genoutput.c (output_prologue): Likewise.
23422 * builtins.c (saveregs_value, apply_args_value): Delete variables.
23423 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
23424 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
23425 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
23426 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
23427 macros for some of them.
23428 (emit_filename, emit_lineno): Delete declarations.
23429 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
23430 regno_pointer_* variables through current_function.
23431 (gen_inline_header_rtx): Delete function.
23432 (save_emit_status): Delete function.
23433 (set_new_last_label_num): New function.
23434 (clear_emit_caches): New function.
23435 (restore_emit_status): Just clear last_labelnum and call
23437 (get_last_insn_anywhere): Variable sequence_stack is now accessed
23438 through macro seq_stack.
23439 (add_insn_after): Likewise.
23440 (add_insn_before): Likewise.
23441 (remove_insn): Likewise.
23442 (pop_topmost_sequence): Likewise.
23443 (in_sequence_p): Likewise.
23444 (start_sequence_for_rtl_expr): Likewise.
23445 (start_sequence): Likewise, and likewise for
23446 sequence_rtl_expr/seq_rtl_expr.
23447 (push_topmost_sequence): Likewise.
23448 (end_sequence): Likewise.
23449 (init_virtual_regs): Now takes a "struct emit_status *" argument.
23450 All callers changed. Store into that pointer instead of globals.
23451 (init_emit): Allocate emit elt of current_function.
23452 Changes for sequence_rtl_expr/sequence_stack renaming.
23453 Call clear_emit_caches instead of doing it in-line.
23454 Access regno_pointer_* variables through current_function.
23455 (init_emit_once) Don't clear sequence_stack.
23457 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
23459 (arg_pointer_save_area): Delete declaration.
23460 (finish_expr_for_function): Renamed from init_queue; no longer static.
23461 (init_expr): Don't call init_queue.
23462 (save_expr_status, restore_expr_status): Delete functions.
23463 (expand_expr): Changes to reflect new layout of struct function.
23464 Don't access current_function_check_memory_usage when current_function
23466 * expr.h (forced_labels, save_expr_regs, saveregs_value,
23467 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
23468 current_function_outgoing_args_size, current_function_arg_offset_rtx,
23469 current_function_uses_const_pool, function_call_count,
23470 current_function_uses_pic_offset_table, nonlocal_labels,
23471 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
23472 current_function_check_memory_usage, nonlocal_goto_handler_slots,
23473 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
23475 (finish_expr_for_function): Declare.
23476 * flags.h (current_function_has_nonlocal_label,
23477 current_function_has_nonlocal_goto, current_function_is_thunk,
23478 current_function_has_computed_jump): Delete declarations.
23479 * flow.c (forced_labels): Delete declaration.
23480 * function.c (current_function_pops_args,
23481 current_function_returns_struct, current_function_returns_pcc_struct,
23482 current_function_needs_context, current_function_calls_setjmp,
23483 current_function_calls_longjmp, current_function_has_nonlocal_label,
23484 current_function_has_nonlocal_goto, current_function_is_thunk,
23485 current_function_has_computed_jump, current_function_calls_alloca,
23486 current_function_contains_functions, current_function_returns_pointer,
23487 current_function_epilogue_delay_list, current_function_args_size,
23488 current_function_pretend_args_size, current_function_arg_offset_rtx,
23489 current_function_outgoing_args_size, current_function_varargs,
23490 current_function_stdarg, current_function_args_info, cleanup_label,
23491 current_function_name, current_function_uses_const_pool,
23492 current_function_instrument_entry_exit, current_function_return_rtx,
23493 current_function_uses_pic_offset_table, nonlocal_labels,
23494 current_function_internal_arg_pointer, current_function_cannot_inline,
23495 current_function_check_memory_usage, function_call_count,
23496 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
23497 nonlocal_goto_stack_level, return_label, save_expr_regs,
23498 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
23499 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
23500 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
23501 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
23502 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
23504 (push_function_context_to): Don't save them. Don't call
23505 save_storage_status, save_emit_status or save_expr_status.
23506 (pop_function_context_from): Don't restore them. Don't call
23507 restore_storage_status or restore_expr_status.
23508 (get_func_frame_size): New function.
23509 (get_frame_size): Use it.
23510 (assign_outer_stack_local): Reflect some member name changes in struct
23512 (put_reg_into_stack): Likewise.
23513 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
23515 (fixup_var_refs): Likewise.
23516 (fix_lexical_addr): Likewise.
23517 (trampoline_address): Likewise.
23518 (prepare_function_start): Clear field inlinable of current_function.
23519 (init_function_for_compilation): New function.
23520 (expand_dummy_function_end): New function.
23521 (expand_function_end): Call finish_expr_for_function.
23522 * function.h (struct emit_status): New; fields moved here from struct
23523 function and from global variables. Add accessor macros for some of
23525 (struct expr_status): Likewise.
23526 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
23527 (struct function): Add fields expr and emit, inlinable, inl_emit,
23528 original_arg_vector, original_decl_initial, inl_last_parm_insn,
23529 inl_max_label_num. Add many comments.
23530 Add accessor macros for all elts of struct function that no longer
23531 have a global variable.
23532 (cleanup_label, return_label, frame_offset, tail_recursion_label,
23533 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
23534 stack_slot_list): Delete declarations.
23535 (get_func_frame_size): Declare.
23536 (save_expr_status, restore_expr_status, save_emit_status,
23537 save_storage_status, restore_storage_status): Delete declarations.
23538 (init_virtual_regs): Declare.
23539 * output.h (current_function_pops_args,
23540 current_function_returns_struct, current_function_returns_pcc_struct,
23541 current_function_needs_context, current_function_calls_setjmp,
23542 current_function_calls_longjmp, current_function_calls_alloca,
23543 current_function_has_nonlocal_label, current_function_varargs,
23544 current_function_has_computed_jump, current_function_returns_pointer,
23545 current_function_contains_functions, current_function_args_size,
23546 current_function_pretend_args_size, current_function_stdarg,
23547 current_function_outgoing_args_size, current_function_args_info,
23548 current_function_name, current_function_return_rtx,
23549 current_function_epilogue_delay_list,
23550 current_function_uses_const_pool, current_function_cannot_inline):
23551 Delete declarations.
23552 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
23553 regno_reg_rtx): Delete declaration.
23554 (REGNO_POINTER_FLAG): Delete macro.
23555 * stmt.c (expand_goto): Changes to reflect that some fields in struct
23556 function were renamed.
23557 * stor-layout.c (save_storage_status, restore_storage_status): Delete
23559 * toplev.c: Include "function.h".
23560 (current_function_decl): Delete declaration.
23561 (compile_file): Call init_dummy_function_start and
23562 expand_dummy_function_end around some initializations that need to
23564 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
23565 Call init_function_for_compilation.
23566 * unroll.c: Include "function.h"
23567 (unroll_loop): Access regno_pointer_* variables through
23570 * tree.h (struct tree_decl): Add elt f to saved_insns member.
23571 (DECL_SAVED_INSNS): use it.
23572 (expand_dummy_function_end): Declare.
23573 (init_function_for_compilation): Declare.
23574 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
23575 that it's no longer an INLINE_HEADER.
23576 (expand_call): Likewise.
23577 * integrate.c (finish_inline): Delete function.
23578 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
23579 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
23580 args. Don't generate an INLINE_HEADER rtx, just return the arg
23581 vector. All callers changed.
23582 (save_for_inline_copying): Create a duplicate struct emit_status to
23583 hold the emit state for compiling the current function. Use this and
23584 the other new fields in struct function that are for integration
23585 instead of an INLINE_HEADER.
23586 Use memcpy instead of bcopy.
23587 Store the current struct function in DECL_SAVED_INSNS of fndecl.
23588 (save_for_inline_nocopy): Similar changes, except no new emit_status
23590 (expand_inline_function): Get information from function structure,
23591 not from an inline header rtx.
23592 (output_inline_function): Lose code to extract the necessary
23593 information from an inline header; simply put back the function
23594 structure into current_function. Clear its inlinable elt.
23595 * rtl.def (INLINE_HEADER): Delete.
23596 * rtl.h: Delete all accessors for an INLINE_HEADER.
23597 (gen_inline_header_rtx): Delete declaration.
23598 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
23599 Delete declarations.
23600 (REGNO_POINTER_ALIGN): Delete.
23601 (clear_emit_caches): Declare.
23602 (set_new_last_label_num): Declare.
23604 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
23606 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
23608 * except.c (expand_eh_region_start_for_decl): Always start a new block.
23609 * stmt.c (is_eh_region): Make sure current_function is present, too.
23611 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
23613 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
23614 for 64bit PA targets.
23616 * pa.h (SELECT_SECTION): Define.
23617 * som.h (SELECT_SECTION): Delete.
23619 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23621 * alias.c (init_alias_analysis): Wrap call to
23622 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
23624 1999-08-07 Bruce Korb <autogen@linuxbox.com>
23626 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
23627 <sys/asm.h> contains an asm comment with an apostrophe
23628 * fixinc/inclhack.sh: regen
23629 * fixinc/fixincl.x: regen
23631 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
23633 * function.c (init_function_start): Clear prologue & epilogue.
23634 (prologue_epilogue_contains): New function.
23635 * alias.c (init_alias_analysis): Use it.
23636 * rtl.h (prologue_epilogue_contains): Declare it.
23638 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
23640 * jump.c (onlyjump_p): New function.
23641 * rtl.h: Declare it.
23642 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
23643 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
23645 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
23647 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
23648 to invert loops. Simplify block scanning.
23650 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23652 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
23653 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
23655 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
23657 * config/sparc/liteelf.h: New file to support sparclite-elf target
23658 * config/sparc/t-sp86x: New file to support sparc86x targets
23659 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
23660 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
23661 * configure.in: Support above target triplets
23662 * configure: Regenerated
23664 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
23666 * fixinc/server.c (server_setup): Do not prefix function used as
23667 parameter with `&'.
23669 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
23671 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
23672 Remove fp reg alternatives.
23674 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
23676 * Makefiin (TAROUTOPTS): Kill.
23677 (install-headers-tar): Use "xpf" for tar headerfile extraction
23678 * i370/x-oe (TAROUTOPTS): Delete.
23679 * m68k/x-apollo68 (TAROUTOPTS): Delete.
23680 * m68k/x-hp320 (TAROUTOPTS): Delete.
23681 * m68k/x-hp320g (TAROUTOPTS): Delete.
23682 * gcc.texi: Update bug reporting text.
23684 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
23686 * reg-stack.c (change_stack) Fixed problem with negative array index.
23688 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
23690 * extend.texi, install.texi: Fix spelling mistakes.
23692 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
23693 (s-attrtab); No longer try to use pre-made insn-attrtab file.
23694 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
23695 PREMADE_ATTRTAB_MD.
23696 * mips/t-ecoff: Likewise.
23697 * mips/t-elf: Likewise.
23698 * mips/t-mips: Likewise.
23699 * mips/t-osfrose: Likewise.
23700 * mips/t-r3900: Likewise.
23701 * mips/t-svr3: Likewise.
23702 * mips/t-svr4: Likewise.
23703 * mips/t-ultrix: Likewise.
23705 * gcc.texi: Document recommend means to provide software floating
23706 point libraries in libgcc.a
23708 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
23710 * c-lex.c (yylex): We can have a number with no digits.
23712 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
23714 * jump.c (delete_prior_computation): New function, broken
23715 out of delete_computation. Check for side effects with
23716 side_effects_p instead of FIND_REG_INC_NOTE. Handle
23717 multi-word hard registers.
23718 (delete_computation): Use it. Check for side effects with
23719 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
23720 missing REG_DEAD note for a register which is both set and
23723 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
23725 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
23726 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
23727 (ASM_FILE_START): Import _mcount with the right type.
23728 (ASM_DECLARE_FUNCTION_NAME): Define.
23729 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
23730 * pa.c (output_function_prologue): Always emit the function's label
23732 * pa.h (TEXT_SPACE_P): Define.
23733 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23734 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
23735 * som.h (TEXT_SPACE_P): Delete.
23736 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23737 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
23739 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
23741 * expr.c (emit_group_load): Allow src to be a CONCAT.
23743 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23745 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
23746 (___mulsi3): Use '!' comment character.
23748 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23750 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
23752 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
23754 * gcc.c: Update URLs and mail addresses.
23755 * gcc.texi: Likewise.
23757 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
23759 * rs6000.c (current_file_function_operand): Return zero for
23761 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
23763 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
23766 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
23768 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
23769 allocate space in the stack frame for the PIC register.
23771 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
23773 * m68k.md (xordi3, anddi3): These patterns are not available on
23776 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
23778 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
23779 (PUT_REAL): Likewise.
23781 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23783 * final.c (shorten_branches): Don't add an alignment for loops
23784 that have no label inside.
23786 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23788 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
23789 prototypes in macro HAVE_cmpstrsi.
23791 * cpplib.c (cpp_get_token): Remove unused label `op3'.
23793 * emit-rtl.c (operand_subword): Remove unused variable
23796 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
23798 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
23800 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
23802 * cpphash.c (macroexpand): Delete leading whitespace when arg
23803 is concatenated before.
23804 (unsafe_chars): Correct test for whether + and - can extend a
23807 * cppinit.c (cpp_start_read): Do dependencies for
23808 -include/-imacros files also.
23810 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
23811 tokenizing non-directive lines.
23812 (cpp_expand_to_buffer): Temporarily disable no-output mode.
23813 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
23816 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23818 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
23820 * c-lex.c: Sync with C++ frontend.
23821 (linemode): New variable.
23822 (parse_float): imag, conversion_errno, and type are output only.
23823 (yylex): Adjust. Move initial '.' case into main switch.
23825 (handle_generic_pragma): Just deal with tokens.
23826 (readescape): Use ISXDIGIT and ISGRAPH.
23827 * c-parse.in: Add END_OF_LINE token.
23829 * c-lex.c (lang_init): Generalize.
23830 (nextchar): Remove. Replace uses with UNGETC.
23831 (skip_white_space): Handle linemode here. Optimize for cpplib.
23832 (skip_white_space_on_line): Remove.
23833 (extend_token_buffer_to): New fn.
23834 (extend_token_buffer): Use it.
23835 (read_line_number, check_newline): Just deal with tokens.
23836 (token_getch, token_put_back): New fns.
23837 (yylex): Use them. More cpplib optimizations. Simplify.
23839 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
23840 Jason Merrill <jason@yorick.cygnus.com>
23842 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
23843 (consume_string): Make this smart about USE_CPPLIB.
23844 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
23845 (yylex): Rewrite to be intelligent about USE_CPPLIB.
23846 Also, clean up cases where we redundantly set token_buffer[0].
23847 (read_line_number): New fn.
23848 (ignore_escape_flag): New variable.
23850 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
23852 * a29k/t-a29kbare: Fix some comments.
23853 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
23854 (FPBIT, DPBIT): Define.
23855 * a29k/t-vx29k: Likewise.
23856 * arc/t-arc: Likewise.
23857 * arm/t-arm-elf: Likewise.
23858 * arm/t-bare: Likewise.
23859 * arm/t-pe: Likewise.
23860 * arm/t-pe-thumb: Likewise.
23861 * arm/t-semi: Likewise.
23862 * arm/t-thumb: Likewise.
23863 * arm/t-thumb-elf: Likewise.
23864 * arm/t-thumb-linux: Likewise.
23865 * h8300/t-h8300: Likewise.
23866 * i960/t-i960: Likewise.
23867 * i960/t-vxworks960: Likewise.
23868 * m32r/t-m32r: Likewise.
23869 * mips/t-ecoff: Likewise.
23870 * mips/t-elf: Likewise.
23871 * mips/t-r3900: Likewise.
23872 * pa/t-pro: Likewise.
23873 * rs6000/t-aix43: Likewise.
23874 * rs6000/t-beos: Likewise.
23875 * rs6000/t-newas: Likewise.
23876 * rs6000/t-ppccomm: Likewise.
23877 * rs6000/t-rs6000: Likewise.
23878 * rs6000/t-winnt: Likewise.
23879 * rs6000/t-xnewas: Likewise.
23880 * rs6000/t-xrs6000: Likewise.
23881 * sh/t-sh: Likewise.
23882 * sparc/t-elf: Likewise.
23883 * sparc/t-sparcbare: Likewise.
23884 * sparc/t-sparclite: Likewise.
23885 * sparc/t-splet: Likewise.
23886 * v850/t-v850: Likewise.
23887 * mn10200/t-mn10200: Fix comments.
23888 * mn10300/t-mn10300: Likewise.
23890 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
23891 dummy operand. Allocate a new pseudo for the dummy operand.
23892 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
23894 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
23896 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
23898 * configure: Rebuilt.
23899 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
23901 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
23903 * recog.c (preproces_constraints): Zero recog_op_alt before
23904 processing the constraints.
23906 * arm.c (typedef minipool_node): Renamed from pool_node.
23907 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
23908 (add_minipool_constant): New function.
23909 (dump_minipool): New function.
23910 (find_barrier): Remove special case for getting the insn size of
23911 an insn that references the constant pool.
23912 (minipool_fixup): New structure.
23913 (push_minipool_barrier): New function.
23914 (push_minipool_fix): New function.
23915 (note_invalid_constants): New function.
23916 (add_pool_constant, dump_table, fixit, broken_move): Delete.
23917 (arm_reorg): Rewrite code to fix up the constant pool into a
23918 series of mini-pools embedded in the insn stream.
23919 (arm_output_epilogue): New function, made mainly from the body
23920 of output_func_epilogue.
23921 (output_func_epilogue): Move insn generation part of epilogue code
23922 to arm_output_epilogue.
23923 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
23924 * arm.md (pool_range): New attribute.
23925 (zero_extendqidi2): Add attribute pool_range.
23926 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
23927 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
23928 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
23929 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
23930 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
23931 (epilogue): New expand.
23932 (epilogue_insn): New insn. Call arm_output_epilogue.
23934 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
23935 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
23937 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23939 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
23941 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
23943 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
23945 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
23947 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
23949 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
23951 * global.c: Fix comment.
23953 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
23955 * gcc.c (access_check): New static function.
23956 (find_a_file): Use it when searching a directory list.
23957 * collect2.c (find_a_file): Don't accept directories found when
23958 searching a directory list.
23960 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
23962 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
23963 function parameters with `&'.
23964 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
23966 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
23968 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
23969 or tidy_fallthru_edge if the last insn in the block is not
23970 an unconditional jump or a simple conditional jump.
23972 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23974 * Makefile.in (c-decl.o): Depends on defaults.h.
23976 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
23978 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
23980 (CLASS_MAX_NREGS): Likewise.
23982 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
23984 * cse.c (cse_insn): Fix dumb thinko in last change.
23986 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23988 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
23991 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
23993 * dwarf2out.c (add_location_or_const_value_attribute): Correct
23994 test for sizes of passed and declared parameter types.
23996 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23998 * fixincludes: Fix the return type of bsearch, char* -> void*.
24000 * fixinc/inclhack.def: Likewise.
24002 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
24004 * invoke.texi (-fdump-translation-unit): New option.
24006 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
24008 * expr.h (PROMOTE_PROTOTYPES): Move ...
24009 * defaults.h: ... to here.
24010 * c-decl.c: Include defaults.h instead of expr.h.
24011 * c-typeck.c: Include defaults.h.
24013 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
24015 * toplev.h (errorcount): Declare.
24016 (warningcount): Likewise.
24017 (sorrycount): Likewise.
24018 * c-lex.c (errorcount): Don't declare.
24019 * dwarf2out.c (errorcount): Don't declare.
24021 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
24023 * config/libgloss.h: Add a note discouraging use with ELF.
24024 * configure.in: Don't use libgloss.h for ELF targets.
24025 Always use_collect2 on a.out targets.
24027 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
24029 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
24030 (force_to_mode, case ASHIFTRT): Add shiftrt label.
24032 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24034 * loop.c (strength_reduce): When doing biv->giv conversion, update
24035 reg note of NEXT->insn.
24037 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24039 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
24041 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24043 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
24044 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
24045 Ensure expr.h is included.
24046 * c-typecheck.c (convert_arguments): Ditto.
24048 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
24050 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
24051 * config/convex/convex.h: Ditto.
24052 * config/dsp16xx/dsp16xx.h: Ditto.
24053 * config/fx80/fx80.h: Ditto.
24054 * config/gmicro/gmicro.h: Ditto.
24055 * config/i370/i370.h: Ditto.
24056 * config/i386/i386.h: Ditto.
24057 * config/m32r/m32r.h: Ditto.
24058 * config/m68k/m68k.h: Ditto.
24059 * config/m88k/m88k.h: Ditto.
24060 * config/mips/mips.h: Ditto.
24061 * config/pa/pa.h: Ditto.
24062 * config/pyr/pyr.h: Ditto.
24063 * config/tahoe/tahoe.h: Ditto.
24064 * config/we32k/we32k.h: Ditto.
24066 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
24067 based on arch size.
24069 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
24071 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
24074 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
24076 1999-08-02 Richard Henderson <rth@cygnus.com>
24078 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
24079 for the register spill block.
24080 (m32r_va_arg): New.
24081 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
24082 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
24084 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
24085 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
24086 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
24088 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24090 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
24091 MAX_WCHAR_TYPE defined in sparc.h.
24092 * config/sparc/linuxaout.h: Likewise.
24093 * config/sparc/linux64.h: Likewise.
24094 Also default to -mvis if CPU is UltraSPARC.
24096 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24098 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
24099 (RTX_OK_FOR_OLO10): Likewise.
24100 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
24101 %lo(), allow it in addresses...
24102 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
24103 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
24104 does not make sense.
24105 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
24106 (sparc_output_scratch_registers): New function.
24107 (output_function_prologue, sparc_flat_output_function_prologue): Use
24109 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
24111 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
24112 * configure.in: Add check for .register pseudo-op support in as and
24113 check for offsetable %lo().
24114 * acconfig.h: Add templates for the above checks.
24115 * configure: Regenerate.
24117 1999-08-02 Richard Henderson <rth@cygnus.com>
24119 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
24120 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
24121 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
24123 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24125 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
24128 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24130 * config/float-sparc.h: New file.
24131 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
24132 sparc-*-linux-gnu and sparc64-*-linux*.
24134 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24136 * rs6000.c (rs6000_va_list): Type is an array.
24137 (rs6000_va_start): Don't doubly adjust for varargs.
24138 (rs6000_va_arg): Evaluate long long GPR adjustment.
24140 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
24142 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
24143 -maix64 and -maix32.
24144 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
24145 LINK_SPEC): Change appropriately.
24146 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
24147 (u_short_cint_operand): Likewise.
24148 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
24150 * rs6000/t-aix43 (MULTILIB): Change to -m64.
24152 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
24154 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
24156 * rs6000/rs6000.c (num_insns_constant_wide): Correct
24157 for type promotion.
24158 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
24159 (non_add_cint_operand): Likewise.
24160 (logical_operand): Likewise.
24161 (non_logical_cint_operand): Likewise.
24162 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
24163 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
24164 (rs6000_select_rtx_section): Suppress warning.
24165 (small_data_operand): Suppress warning.
24166 (rs6000_got_register): Suppress warning.
24167 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
24168 type, so `J' is generally the wrong constraint for a SImode value;
24170 (andsi3_internal2): Likewise.
24171 (andsi3_internal3): Likewise.
24172 (iorsi3_internal1): Likewise.
24173 (xorsi3_internal1): Likewise.
24175 (movsf_softfloat): Likewise.
24176 (scc insns): Likewise.
24177 (movsi+2): Preserve sign bits of SImode constant.
24178 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
24179 (movdf+1): Sign-extend properly.
24180 (movdi_32+1): Sign-extend properly.
24181 (scc insns): Sign-extend properly.
24183 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
24186 1999-08-02 Richard Henderson <rth@cygnus.com>
24188 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
24189 -mcpu parsing code.
24190 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
24191 * alpha.md (all fp insns): Likewise.
24193 1999-08-02 Nick Clifton <nickc@cygnus.com>
24195 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
24198 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
24200 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
24201 pic_load_label generator directly.
24202 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
24203 No longer a named pattern.
24205 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
24207 * explow.c (force_reg): Call force_operand if X does not
24208 satisfy general_operand.
24210 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
24212 * fix-header.c (main): When testing for CONTINUED, use string
24213 equality, not pointer equality.
24215 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
24217 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
24219 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
24221 * cse.c (cse_insn): Fix loop which deletes insns after a jump
24222 that has become an unconditional jump.
24224 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
24225 (output_function_epilogue): Similarly.
24227 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24229 * tree.h (init_dummy_function_start): Declare.
24231 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24233 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
24234 last_expr_type, last_expr_value, block_start_count, block_stack,
24235 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
24236 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
24237 dynamically in stmt elt of struct function for each function.
24238 (struct nesting): Rename function_call_count elt to n_function_calls,
24239 target_temp_slot_level to block_target_temp_slot_level. All users
24241 (struct stmt_status): New structure definition.
24242 Add many accessor macros for stmt_status elements which previously
24243 were global variables.
24244 (init_stmt_for_function): Allocate stmt elt for current_function.
24245 Reflect that block_start_count was renamed to
24246 current_block_start_count.
24247 (save_stmt_status, restore_stmt_status): Delete functions.
24248 (preserve_subexpressions_p): Don't access loop_stack when outside
24250 (expand_start_bindings): Reflect that block_start_count was renamed to
24251 current_block_start_count.
24252 (expand_fixup): Likewise.
24253 (expand_decl): Don't access block_stack when outside a function.
24254 (expand_decl_cleanup): Likewise.
24255 (expand_dcc_cleanup): Likewise.
24256 (expand_dhc_cleanup): Likewise.
24257 (expand_anon_union_decl): Likewise.
24258 (set_file_and_line_for_stmt): New function.
24259 (in_control_zone_p): New function.
24261 * function.h (struct function): Add new elt stmt.
24262 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
24263 case_stack, nesting_stack, nesting_depth, block_start_count,
24264 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
24265 emit_lineno, goto_fixup_chain.
24266 (save_eh_status, restore_eh_status, save_stmt_status,
24267 restore_stmt_status): Delete declarations.
24268 * function.c (push_function_context_to): Don't call save_stmt_status.
24269 (pop_function_context_to): Don't call restore_stmt_status.
24270 * tree.h (in_control_zone_p): Declare.
24271 * rtl.h (set_file_and_line_for_stmt): Declare.
24273 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
24274 call set_file_and_line_for_stmt.
24276 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
24278 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
24279 Also update copyright.
24281 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24283 * c-pragma.c: Don't include "except.h".
24284 * emit-rtl.c: Likewise.
24285 * stor-layout.c: Likewise.
24286 * tree.c: Likewise.
24287 * varasm.c: Likewise.
24289 * flow.c: Include "function.h".
24290 * tree.h (init_dummy_function_start): Declare new function.
24292 * except.h (struct eh_status): New structure.
24293 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
24295 (eh_return_stub_label, ehstack, catchstack, ehqueue,
24296 catch_clauses, false_label_stack, caught_return_label_stack,
24297 protect_list, current_function_ehc): Add accessor macros for the
24298 corresponding fields in current_function->eh; delete declarations
24299 for all items that used to be declared here.
24300 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
24301 catch_clauses, false_label_stack, caught_return_label_stack,
24302 protect_list, current_function_ehc): Delete variables.
24303 (init_eh_for_function): Allocate current_function->eh.
24304 (save_eh_status, restore_eh_status): Delete functions.
24306 * function.h (struct function): Add fields next_global and eh.
24307 Delete all exception handling related fields.
24308 * function.c (current_function): New variable.
24309 (all_functions): New variable.
24310 (push_function_context_to): Don't allocate a struct function,
24311 use current_function instead. Call init_dummy_function_start when
24312 outside a function. Clear current_function before returning.
24313 (pop_function_context_from): Restore current_function.
24314 Don't free the restored struct function.
24315 (prepare_function_start): New function.
24316 (init_dummy_function_start): New function.
24317 (init_function_start): Break out some code into prepare_function_start
24320 * stmt.c (save_stmt_status): Don't call save_eh_status.
24321 (restore_stmt_status): Don't call restore_eh_status.
24323 * Makefile.in: Update dependencies.
24325 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
24327 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
24328 of depending on a magic constant value. Update comments.
24329 (hppa_expand_prologue): Similarly.
24331 * pa.md (reload_indi, reload_outdi): Allow any register for the
24332 original reload register.
24334 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
24336 * cccp.c (print_help): Change marcos to macros.
24338 1999-07-30 Richard Henderson <rth@cygnus.com>
24340 * c-typeck.c (initializer_constant_valid_p): Move ...
24341 * c-common.c (initializer_constant_valid_p): ... here. Use
24342 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
24343 of label addresses.
24344 * c-common.h (initializer_constant_valid_p): Declare.
24345 * c-tree.h (initializer_constant_valid_p): Remove.
24347 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
24349 * config/i386/sol2-c1.asm: Align the stack.
24350 * config/i386/sol2-gc1.asm: Likewise.
24352 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
24354 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
24355 -Asparclite for sparc86x.
24356 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
24358 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
24360 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
24362 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
24363 the user if using the non-default arch size in BI_ARCH configuration.
24364 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
24366 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
24367 Fix patterns so that they actually match.
24368 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
24369 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
24370 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
24372 (mulsidi3): Reflect this in the expand.
24373 (smulsi3_highpart): Only on TARGET_ARCH32.
24374 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
24375 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
24376 (umulsidi3): Reflect this in the expand.
24377 (umulsi3_highpart): Only on TARGET_ARCH32.
24378 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
24379 don't require g0 to be zero.
24380 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
24381 ({,u}divsi3): New expands.
24382 ({,u}divsi3_sp64): New patterns.
24383 (after lshrdi3_v8plus): Four new patterns to help combiner
24384 optimizing nested mixed mode shifts.
24386 * config/sparc/sparc.c (sparc_override_options): Use deprecated
24387 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
24388 speed things up. Don't use them by default on plain v9 in 64bit
24389 mode, according to what SPAMv9 sais.
24391 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
24392 top 32 bits of %[og][0-7] in signal handlers.
24393 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
24395 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
24397 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
24398 (ashlsi3): Corresponding changes.
24400 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
24402 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
24404 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
24406 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24408 * arm.h (Hint): Delete macro.
24409 Substitute HOST_WIDE_INT for Hint in some prototypes.
24410 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
24412 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
24414 * builtins.c (expand_builtin_setjmp): Use force_operand to
24415 make sure that the buffer address is in a suitable form to be
24416 passed to force_reg.
24418 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
24420 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
24423 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
24425 * pa.md (indirect_jump): Remove mode from match_operand. Verify
24426 proper mode in the condition string.
24427 (icacheflush, dcacheflush): Remove modes from match_operands.
24429 * pa.c (emit_move_sequence): Always convert scratch_reg to the
24430 proper mode before using it.
24432 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
24435 * pa.c (store_reg): Do not call add_high_const generator directly.
24436 (load_reg, set_reg_plus_d): Likewise.
24437 * pa.md (add_high_const): No longer a named pattern.
24439 * pa.c (legitimize_address): Consistently use Pmode rather than
24440 SImode. Do not call gen_pic2_highpart directly anymore.
24441 * pa.md (pic2_highpart): No longer a named pattern.
24442 (pic2_lo_sum): Similarly. Reformat to make more readable.
24444 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
24449 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24451 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
24453 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
24455 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
24456 and tag the spill mems.
24457 (hppa_va_start): New.
24458 (hppa_va_arg): New.
24459 * pa.h (EXPAND_BUILTIN_VA_START): New.
24460 (EXPAND_BUILTIN_VA_ARG): New.
24462 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
24464 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
24465 and tag the spill mems.
24466 (mn10300_va_start): New.
24467 (mn10300_va_arg): New.
24468 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
24469 (EXPAND_BUILTIN_VA_ARG): New.
24471 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
24473 * mn10200.c (mn10200_va_arg): New.
24474 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
24476 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
24478 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
24479 rather than play with TREE_INT_CST_LOW.
24481 1999-07-27 Philip Blundell <pb@nexus.co.uk>
24483 * config/arm/telf.h: Include dbxelf.h.
24484 (CPP_PREDEFINES): Only define if not already defined.
24485 (ASM_IDENTIFY_GCC): Likewise.
24486 (SUBTARGET_EXTRA_SECTIONS): Likewise.
24487 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
24488 * config/arm/thumb.h (LINK_SPEC): Only define if not already
24490 (DBX_DEBUGGING_INFO): Don't define.
24491 * config/arm/linux-telf.h: New file.
24492 * config/arm/linux-tgas.h: New file.
24493 * config/arm/t-thumb-linux: New file.
24494 * config/arm/uclinux-elf.h: New file.
24495 * config/arm/uclinux-telf.h: New file.
24496 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
24497 thumb-*-uclinux): New targets.
24498 * configure: Regenerate.
24500 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
24502 * pa.md (post_store, pre_load): New expanders.
24503 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
24504 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
24505 need to directly generate RTL for them.
24506 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
24509 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
24511 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
24512 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
24513 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
24514 (secndary_reload_class): Make TARGET_ELF conditional compile.
24515 (print_operand_address): Similar.
24516 (output_toc): Print all values as hex.
24517 (get_issue_rate): Rearrange and add RS64A and PPC630.
24518 * rs6000.h (processor_type): Add RS64A and PPC630.
24519 (PROCESSOR_POWERPC64): New.
24520 (PROMOTE_MODE): Use word_mode.
24521 (RTX_COSTS): Add RS64A and PPC630.
24522 * rs6000.md (scheduling information): Add lmul and ldiv
24523 representing 64-bit integer multiply and divide. Add rs64a and
24524 PPC630 information.
24525 (ashldi3): Add support for "rldic" instruction.
24526 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
24528 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
24530 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
24531 instead of V8 for sparclite86x in cpu_table.
24533 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24535 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
24536 output_file_directive.
24538 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
24540 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
24541 tree for op1, not the rtl.
24543 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
24545 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
24546 to m88k_va_start, leaving only the register spill.
24547 (m88k_build_va_list): New.
24548 (m88k_va_start): New.
24549 (m88k_va_arg): New.
24550 * m88k.h (BUILD_VA_LIST_TYPE): New.
24551 (EXPAND_BUILTIN_VA_START): New.
24552 (EXPAND_BUILTIN_VA_ARG): New.
24554 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
24556 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
24557 Rename from expand_builtin_saveregs.
24558 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
24560 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
24562 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
24563 for the register spill block.
24564 (i960_build_va_list): New.
24565 (i960_va_start): New.
24566 (i960_va_arg): New.
24567 * i960.h (BUILD_VA_LIST_TYPE): New.
24568 (EXPAND_BUILTIN_VA_START): New.
24569 (EXPAND_BUILTIN_VA_ARG): New.
24570 * i960.md (store_multiple): Use change_address on individul mems.
24572 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
24574 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
24576 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
24577 (expand_builtin_va_end): Evaluate arg for side effects.
24578 * c-common.c (c_common_nodes_and_builtins): Construct a
24579 va_list_arg_type_node to handle array decomposition to pointer.
24581 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
24583 * except.c (st_dynamic_cleanup): Use force_operand on the
24586 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
24588 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
24589 * c4x.c (c4x_va_arg): New.
24591 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
24593 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
24594 has manual_pop set.
24596 1999-07-26 Nathan Sidwell <nathan@acm.org>
24598 * eh-common.h (__eh_matcher): Prototype correctly.
24600 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
24602 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
24603 (TARGET_SINGLE_PIC_BASE): Likewise.
24604 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
24606 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
24607 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
24608 (TARGET_OPTIONS): Add -mpic-register=N.
24609 (OUTPUT_INT_ADDR_CONST): New macro.
24610 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
24611 LEGITIMATE_PIC_OPERAND_P): Likewise.
24612 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
24613 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
24614 output_addr_const directly.
24615 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
24617 (thumb_pic_register, thumb_pic_register_string): Declare.
24619 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
24621 (label_mentioned_p): New function: Imported from arm.c.
24622 (legitimize_pic_address): New function: Imported from arm.c.
24623 (is_pic):New function: Imported from arm.c.
24624 (thumb_finalize_pic):New function: Imported from arm.c.
24625 (add_constant): Cope with PIC constants.
24626 (fixit): Cope with PIC constants.
24627 (output_return): Do not treat the PIC register as live if
24628 TARGET_SINGLE_PIC_BASE is true.
24629 (thumb_function_prologue): Do not treat the PIC register as live if
24630 TARGET_SINGLE_PIC_BASE is true.
24631 (thumb_expand_prologue): Do not treat the PIC register as live if
24632 TARGET_SINGLE_PIC_BASE is true.
24633 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
24634 TARGET_SINGLE_PIC_BASE is true.
24635 (thumb_print_operand): Accept '|'.
24636 (thumb_override_options): Process PIC options.
24638 * config/arm/thumb.md (movsi): Support PIC.
24639 (call_insn): Change "i" constraint to "X".
24640 (call_value_insn): Likewise.
24641 (consttable_4, consttable_8, consttable_end): Set and clear
24642 "making_const_table" as appropriate.
24643 (pic_load_addr, pic_add_dot_plus_four): New insns.
24645 * invoke.texi (Thumb Options): Fix spelling. Document new
24646 options -msingle-pic-base and -mpic-register=.
24648 1999-07-26 Andrew Haley <aph@cygnus.com>
24650 * config/m32r/initfini.c (__init): Use a full word immediate for
24651 __fini: this allows it to be placed in any memory region.
24653 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
24654 -mmodel=medium. This is OK for all memory models.
24656 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
24658 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
24659 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
24661 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
24663 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
24666 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
24668 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
24670 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
24671 (BUILD_VA_LIST_TYPE): New.
24672 (EXPAND_BUILTIN_VA_START): New.
24673 (EXPAND_BUILTIN_VA_ARG): New.
24674 * i860.c (output_delayed_branch): Disable.
24675 (output_delay_insn): Likewise.
24676 (i860_saveregs): New.
24677 (i860_build_va_list): New.
24678 (i860_va_start): New.
24679 (i860_va_arg): New.
24680 * i860.md: Disable all peepholes using output_delayed_branch.
24681 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
24683 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
24685 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
24686 (BUILD_VA_LIST_TYPE): New.
24687 (EXPAND_BUILTIN_VA_START): New.
24688 (EXPAND_BUILTIN_VA_ARG): New.
24689 * clipper.c (clipper_builtin_saveregs): Only dump registers.
24690 Return the address of the save area.
24691 (clipper_build_va_list): New.
24692 (clipper_va_start): New.
24693 (clipper_va_arg): New.
24695 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
24697 * arc.h (EXPAND_BUILTIN_VA_START): New.
24698 (EXPAND_BUILTIN_VA_ARG): New.
24699 * arc.c (arc_setup_incoming_varargs): Set alias set of
24701 (arc_va_start): New.
24704 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
24706 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
24707 (BUILD_VA_LIST_TYPE): New.
24708 (EXPAND_BUILTIN_VA_START): New.
24709 (EXPAND_BUILTIN_VA_ARG): New.
24710 * alpha.c (alpha_builtin_saveregs): Delete.
24711 (alpha_build_va_list): New.
24712 (alpha_va_start): New.
24713 (alpha_va_arg): New.
24715 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
24717 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
24719 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
24720 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
24722 * gcc.texi: More changes related to list conversion.
24723 * invoke.texi: Likewise.
24725 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
24727 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
24728 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
24729 (expand_builtin_next_arg): Accept ARGLIST not EXP.
24730 (stabilize_va_list): New function.
24731 (std_expand_builtin_va_start): New function.
24732 (expand_builtin_va_start): New function.
24733 (get_varargs_alias_set): New function.
24734 (std_expand_builtin_va_arg): New function.
24735 (expand_builtin_va_arg): New function.
24736 (expand_builtin_va_end): New function.
24737 (expand_builtin_va_copy): New function.
24738 (expand_builtin): Call them.
24739 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
24740 __builtin_{varargs_start,stdarg_start,end,copy}.
24741 (build_va_arg): New function.
24742 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
24743 (build_va_arg): Declare.
24744 * c-decl.c (ptr_type_node, va_list_type_node): New.
24745 * c-parse.gperf (__builtin_va_arg): New.
24746 * c-parse.in (VA_ARG): New token.
24747 (unary_expr): Recognize it.
24748 * expr.c (expand_expr): Expand VA_ARG_EXPR.
24749 * expr.h (std_expand_builtin_va_start): Declare.
24750 (std_expand_builtin_va_arg): Declare.
24751 (expand_builtin_va_arg): Declare.
24752 (get_varargs_alias_set): Declare.
24753 * tree.def (VA_ARG_EXPR): New.
24754 * tree.h (BUILT_IN_VARARGS_START): New.
24755 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
24756 (ptr_type_node, va_list_type_node): Declare.
24757 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
24758 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
24759 * m88k.h, m88k.c: Likewise.
24760 * mn10300.h, mn10300.c: Likewise.
24761 * pa.h, pa.c: Likewise.
24762 * rs6000.h, rs6000.c: Likewise.
24763 * sh.h, sh.c: Likewise.
24764 * sparc.h, sparc.c: Likewise.
24766 * emit-rtl.c (operand_subword): Copy alias set.
24767 (change_address): Likewise.
24769 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
24771 * pa.c (compute_frame_size): Scan all the used callee saved registers,
24772 not just the first one.
24774 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
24776 * config/arm/arm.h (TARGET_SWITCHES): Add
24777 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
24778 (TARGET_OPTIONS): Add -mpic-register=.
24779 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
24780 (arm_pic_register_string): Declare.
24781 (NEED_PLT_GOT): Delete, replace with ...
24782 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
24783 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
24784 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
24785 * config/arm/arm.c (arm_override_options): Add new option
24787 (arm_pic_register_string): New variable.
24788 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
24789 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
24790 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
24791 (output_return_instruction): Likewise.
24792 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
24793 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
24794 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
24796 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
24797 mention of -msched-prolog. Document new options -msingle-pic-base
24798 and -mpic-register=.
24800 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
24802 * haifa-sched.c (reemit_notes): Tidy.
24803 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
24806 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
24808 * explow.c (trunc_int_for_mode): New function.
24809 (plus_constant_wide): Use it.
24810 * combine.c (simplify_and_const_int): Likewise.
24811 (merge_outer_ops): Likewise.
24812 (simplify_shift_const): Likewise.
24813 * cse.c (simplify_unary_operation): Likewise.
24814 (simplify_binary_operation): Likewise.
24815 * emit-rtl.c (operand_subword): Likewise.
24816 * rtl.h: Declare it.
24818 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24820 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
24821 (use NUM_REGS instead of NUM_INTS).
24823 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24825 * builtins.c: New file.
24826 * expr.c (saveregs_value, apply_args_value): Delete definition,
24827 moved into builtins.c.
24828 (string_constant): No longer static.
24829 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
24830 apply_args_size, apply_result_size, result_vector,
24831 expand_builtin_apply_args, expand_builtin_apply,
24832 expand_builtin_return): Delete functions, moved into builtins.c.
24833 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
24834 * expr.h (saveregs_value, apply_args_value): Declare variables.
24835 (expand_builtin, string_constant): Declare functions.
24836 * Makefile.in: Update to build builtin.o.
24838 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
24840 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
24841 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
24842 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
24843 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
24845 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
24848 1999-07-21 Michael Meissner <meissner@cygnus.com>
24850 * print-rtl.c (print_rtx): Print the names of the virtual
24853 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
24855 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
24856 introduced in previous delta.
24858 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24860 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
24861 to avoid name clash.
24863 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
24865 * c-lex.c (yylex) : Correct the test for overflow when lexing
24868 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
24870 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
24871 (adjust_priority): Always call ADJUST_PRIORITY.
24872 (schedule_insn): Only put insns into the ready at cost 0.
24873 (schedule_block): Remove redundant initial sort. Give clock_var
24874 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
24876 * tm.texi (MD_SCHED_REORDER): Update docs.
24878 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
24879 * sparc.c (ultra_reorder_called_this_block): Delete.
24880 (ultrasparc_sched_init): Don't set it.
24881 (ultrasparc_sched_reorder): Don't check it.
24883 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
24885 * rs6000.h (struct rs6000_args): Add sysv_gregno.
24886 * rs6000.c (init_cumulative_args): Init sysv_gregno.
24887 (function_arg_boundary): Align DFmode.
24888 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
24889 to get fp reg and stack overflow correct.
24890 (function_arg): Likewise.
24891 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
24892 (setup_incoming_varargs): Restructure for ABI_V4; use
24893 function_arg_advance to skip final named argument.
24894 (expand_builtin_saveregs): Properly unskip the last integer arg
24895 when doing varargs. Adjust overflow location calculation.
24897 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
24898 explicitly unsigned.
24899 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
24900 (__VA_GP_REGSAVE): Similarly.
24901 (__va_longlong_p): Delete.
24902 (__va_arg_type_violation): New declaration.
24903 (va_arg): Restructure. Flag promotion errors. Align double.
24904 TFmode passed by reference.
24906 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
24907 in the HOST_BITS_PER_WIDE_INT > 32 case.
24909 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
24911 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
24913 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
24915 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
24916 * toplev.c (documented_lang_options): Add -fpreprocessed.
24917 * cpplib.h (struct cpp_buffer): Add preprocessed.
24918 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
24919 (cpp_start_read): Don't expand macros or emit an initial #line
24920 directive if -fpreprocessed.
24922 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24924 * cpplib.h (struct cpp_buffer): Added manual_pop for
24925 better C++ tokenization.
24926 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
24927 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
24928 * c-common.c (cpp_token): Make non-static.
24930 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24932 * c-common.h: New file.
24933 * c-common.c (permanent_obstack): Delete unused declaration.
24934 (c_global_trees): New array.
24935 (c_common_nodes_and_builtins): New function; split off common code
24936 from init_decl_processing in both c-decl.c and cp/decl.c.
24937 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
24938 c_global_trees and accessor macros defined in c-common.h.
24939 Include c-common.h.
24940 * c-decl.c: Delete definitions for tree nodes that were replaced by
24942 (init_decl_processing): Build void_list_node.
24943 Call c_common_nodes_and_builtins; delete code to generate the common
24945 * objc/objc-act.c (build_module_descriptor): Rename variable
24946 void_list_node to avoid clash with c-common.h.
24948 * Makefile.in: Update dependencies.
24949 * objc/Make-lang.in: Likewise.
24951 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
24953 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
24954 (UNIQUE_SECTION_P): Likewise.
24955 (UNIQUE_SECTION): Likewise.
24957 1999-07-19 Linas Vepstas <linas@linas.org>
24959 * config/i370/README: New file.
24960 * config/i370/linux.h: New file.
24961 * config/i370/mvs.h: New file.
24962 * config/i370/oe.h: New file.
24963 * config/i370/t-linux: New file.
24964 * config/i370/t-mvs: New file.
24965 * config/i370/t-oe: New file.
24966 * config/i370/x-oe: New file.
24967 * config/i370/xm-linux.h: New file.
24968 * config/i370/xm-mvs.h: New file.
24969 * config/i370/xm-oe.h: New file.
24971 * i370.c (label_node_t): Add first_ref_page, label_addr,
24972 label_first_ref, label_last_ref members.
24973 (mvs_need_base_reload): Renamed from mvs_label_emitted.
24974 (MAX_MVS_LABEL_SIZE): Define.
24975 (MAX_LONG_LABEL_SIZE): Define.
24976 (alias_node_t, alias_anchor, alias_number): New.
24977 (mvs_function_table): Reorder for EBCDIC.
24978 (ascebc, ebcasc): Unconditionally define.
24979 (i370_branch_dest, i370_branch_length): New functions.
24980 (i370_short_branch, i370_label_scan): New functions.
24981 (mvs_get_label): Renamed from mvs_add_label. Search for
24982 an existing label before creating a new one.
24983 (mvs_add_label): New function.
24984 (mvs_get_label_page): New function.
24985 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
24986 over the entire list.
24987 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
24988 (mvs_check_page) [TARGET_ELF_ABI]: New function.
24989 (mvs_add_alias, mvs_need_alias): New functions.
24990 (mvs_get_alias, mvs_check_alias): New functions.
24991 (handle_pragma): New function.
24992 (mvs_function_check): New function.
24993 (unsigned_jump_follows_p): Search harder.
24994 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
24995 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
24996 * i370.h (TARGET_VERSION): Delete.
24997 (CPP_SPEC, CPP_PREDEFINES): Delete.
24998 (mvs_label_emitted): Delete.
24999 (TARGET_EBCDIC): Delete.
25000 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
25001 (HANDLE_PRAGMA): Define.
25002 (HARD_REGNO_NREGS): Handle complex modes.
25003 (HARD_REGNO_MODE_OK): Likewise.
25004 (CLASS_MAX_NREGS): Likewise.
25005 (RET_REG): Likewise.
25006 (EXTRA_CONSTRAINT): Define.
25007 (RETURN_IN_MEMORY): True for DImode.
25008 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
25009 (FUNCTION_PROFILER): Delete.
25010 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
25011 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
25012 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
25013 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
25014 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
25015 (ASM_FILE_START): Add "RMODE ANY".
25016 (ASM_OUTPUT_EXTERNAL): Check for aliases.
25017 (ASM_GLOBALIZE_LABEL): Likewise.
25018 (ASM_OUTPUT_LABELREF): Likewise.
25019 (ASM_OUTPUT_COMMON): Likewise.
25020 (PRINT_OPERAND): Handle 'K', 'W', default.
25021 (PRINT_OPERAND_ADDRESS): New.
25022 (Lots of defines): Add support for TARGET_ELF_ABI.
25023 * i370.md (attr length): New. Define for all patterns.
25024 (*): Lots of tweeks to assembly output and constraints.
25026 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
25028 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
25029 Disable patterns performing SImode comparisons with SImode values
25030 if TARGET_POWERPC64 and instruction does not sign-extend or does
25031 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
25032 differ for signed quantities.
25033 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
25034 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
25035 (decrement_and_branch_on_count): Add 64-bit variant.
25037 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25039 * final.c (output_asm_insn): When searching for the matching string
25040 for a given dialect, don't run past the end of the list of
25041 alternatives if there are fewer alternatives in the template than
25044 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
25046 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
25047 Removed paragraph about compression of files and size limitation,
25048 duplicated in the FAQ. Use gcc-patches for posting patches.
25049 * gcc.c (main): Updated URL with bug reporting instructions to
25050 gcc.gnu.org. Removed e-mail address.
25051 * system.h (abort): Likewise.
25053 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25055 * Makefile.in (stmp-multilib-sub): Make the files extracted
25056 from $(LIBGCC1) writable.
25058 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
25060 * config/arm/aout.h: Reformat for improved readability.
25062 * config/arm/arm.h: Reformat for improved readability.
25063 Replace uses of fprintf with asm_fprintf where appropriate.
25064 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
25065 function declaration assembler actions.
25066 (NUM_INTS): New macro: Convert from bytes to words.
25067 (NUM_REGS): New macro: Compute number of registers required to
25068 hold a quanitity of tyep MODE.
25069 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
25071 (NUM_ARG_REGS): New macro: The number of argument registers
25073 (ARG_REGISTER): New macro: Compute the register number of the Nth
25075 (LAST_ARG_REGNUM): New macro: The number of the last argument
25077 (SP_REGNUM): New macro: Register number of the stack pointer.
25078 (FP_REGNUM): New macro: Register number of the frame pointer.
25079 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
25080 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
25081 CUMULATIVE_ARGS so that it counts registers not bytes.
25083 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
25085 Replace uses of fprintf with asm_fprintf where appropriate.
25086 (output_ascii_pseudo_op): Replace with version from thumb.c
25088 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
25090 * config/arm/elf.h (CPP_PREDEFINES): Replace with
25091 SUBTARGET_CPP_SPEC.
25092 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
25093 (ASM_FILE_START): Emit ASM_APP_OFF.
25095 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
25097 * pa.c (compute_frame_size): Round frame according to
25098 STACK_BOUNDARY rather than a hardwired value.
25100 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
25102 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
25104 * configure: Rebuilt.
25106 * configure.in (hppa*-*-linux*): New configuration.
25107 * configure: Rebuilt.
25108 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
25109 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
25110 * pa/pa-linux.h: New file.
25111 * pa/t-linux: New file.
25112 * pa/xm-linux.h: New file.
25114 * pa.c (hppa_legitimize_address): Change references from SImode to
25115 either Pmode or word_mode as appropriate.
25116 (emit_move_sequence, store_reg, load_reg): Likewise.
25117 (set_reg_plus_d, hppa_expand_prologue): Likewise.
25118 (output_mul_insn): Likewise.
25119 * pa.h (PROMOTE_MODE): Likewise.
25120 (INITIALZE_TRAMPOLINE): Likewise.
25121 (Pmode): Define to word_mode.
25123 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
25124 value of 4. Allocate 8 bytes for each FP register save.
25125 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
25127 (hppa_expand_prologue): Likewise.
25128 * pa.h (PROMOTE_MODE): Likewise.
25129 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
25130 (FUNCTION_ARG_BOUNDARY): Likewise.
25132 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
25134 * pa.c (out_of_line_prologue_epilogue): Delete.
25135 (override_options): Remove -mspace related code.
25136 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
25137 (compute_frame_size): Only allocate space for register that
25138 actually need to be saved.
25139 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
25140 (TARGET_SWITCHES): Remove -mspace, -mno-space
25141 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
25142 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
25143 * pa/ee.asm, pa/ee_fp.asm: Delete.
25145 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
25147 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
25148 directive in column zero.
25150 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
25152 * m68k.c (output_function_prologue): Fix computation of save mask
25153 when generating PIC code.
25155 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
25157 * tree.c (build_type_attribute_variant): Move current_obstack restore
25158 after build_qualified_type call.
25160 1999-07-15 Mark Mitchell <mark@codesourcery.com>
25162 * configure.in: Use t-iris6, even with GNU LD.
25163 * config/mips/iris6gld.h: Fix typo in linker spec.
25164 * config/mips/t-iris6gld: Remove.
25166 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
25168 * rs6000.md (insv, extzv): Remove SImode dependence in named
25169 patterns. Explicitly generate DImode RTL if PowerPC64 and
25171 (insvdi): Reverse start and size in instruction template.
25173 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
25175 * invoke.texi: Typo fixes.
25177 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
25179 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
25180 handle at this time instead of silently generating incorrect code.
25181 (gen_imagpart): Likewise.
25183 * reload.c (find_reloads): Emit a USE for a pseudo register without
25184 a hard register if we could not create an optional reload for the
25187 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25189 * c-typeck.c (output_init_element, process_init_element):
25190 When advancing constructor_unfilled_fields for a RECORD_TYPE,
25191 check for nameless bit fields.
25193 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
25195 * regclass.c (scan_one_insn): Notice subregs that change the
25196 size of their operand.
25197 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
25199 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
25201 * configure.in (alpha*-*-*): Include alpha/t-ieee.
25202 * configure: Rebuilt.
25203 * alpha/t-ieee: New file.
25205 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
25207 * rs6000.c (find_addr_reg): Do not select r0 as an address
25210 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
25212 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
25214 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
25216 * rs6000.md (movsf): Do not force easy FP constants into memory.
25218 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
25219 immed_double_const to ensure they are properly truncated then
25222 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25224 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
25225 always unless NO_DEBUG is used. Compile this code
25227 (replace_symbols_in_block): Compile it unconditionally.
25229 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
25231 * configure.in (i?86-*-elf*): New target.
25232 * configure: Rebuilt.
25233 * i386/i386elf.h, i386/t-i386elf: New files.
25235 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
25237 * toplev.c (main): Don't complain about saying -gdwarf.
25238 (rest_of_compilation): Remove redundant code.
25240 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
25242 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
25244 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
25246 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
25247 "Li960R:", to avoid name clash.
25249 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25251 * loop.c (check_dbra_loop): When reversing a loop, delete all
25252 REG_EQUAL notes referencing the reversed biv except those which are
25253 for a giv based on it.
25255 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
25257 * version.c: Drop "gcc-" prefix from version #.
25259 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
25261 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
25262 the label if we're being verbose.
25264 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
25266 * m68k.c (output_function_prologue): Add pic register to mask
25267 if live and flag_pic.
25268 (output_function_epilogue): Likewise.
25270 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
25272 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
25273 directives in column zero.
25275 * pa/elf.h (ASM_FILE_START): Define.
25276 * pa/som.h (ASM_FILE_START): Include .level directives.
25277 * pa/hpux10.h (ASM_FILE_START): Delete.
25278 * pa/hpux11.h (ASM_FILE_START): Delete.
25280 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
25282 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25284 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
25285 when reload_out equals reload_in.
25287 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
25289 * invoke.texi (Spec Files): New node: Describe the contents of
25292 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
25294 * invoke.texi (DEC Alpha Options): Put @end table at
25295 beginning of line, to avoid confusing texi2html.
25297 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
25299 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
25300 introduced in previous delta.
25302 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25304 * reload1.c (gen_reload): When synthesizing a 3 operand add
25305 sequence, improve test for when to reload OP1 into the reload
25306 register instead of OP0.
25308 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
25310 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
25312 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
25314 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
25317 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
25319 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
25320 (va_dcl): Use __builtin_va_alist_t.
25322 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
25324 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
25325 on the permanent_obstack.
25326 * dwarfout.c (output_type): Likewise.
25328 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
25330 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25331 Merged from c-typeck.c and cp/typeck.c.
25332 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25333 Merged into c-common.
25335 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
25337 * c-lex.c (errorcount): Declare it.
25338 (finish_parse): Update errorcount when using CPPLIB.
25340 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
25342 * fixinc/inclhack.def(end_else_label): Double the backslash so
25343 sed gets a chance to see it.
25344 * fixinc/inclhack.sh: regen
25345 * fixinc/fixincl.x: regen
25347 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
25349 Add framework to support armv5 architecture when it becomes
25352 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
25353 (arm_arch5): New variable.
25354 (all_architectures): Add armv5 line.
25355 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
25356 -march=armv5 is specified on the command line.
25357 (arm_arch5): Export this variable.
25358 * invoke.texi: Document new string accepted by -march= switch for
25361 * config/arm/arm.h: Replace use of constant 12 as a register
25362 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25363 * config/arm/arm.c: Replace use of constant 12 as a register
25364 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25366 * config/arm/elf.h: Tidy up.
25367 * config/arm/coff.h: Tidy up.
25369 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
25371 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
25372 * gcc/config/mips/t-iris6gld: New file.
25373 * gcc/config/mips/iris6gld.h: Likewise.
25375 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
25377 * c-decl.c (widest_integer_literal_type_node,
25378 widest_unsigned_literal_type) : New.
25379 (init_decl_processing): Handle/use the two new types.
25380 * c-common.c (type_for_size,type_for_mode) : Same.
25381 * c-lex.c (yylex) : Same.
25382 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25384 * c-tree.h (widest_integer_literal_type_node,
25385 widest_unsigned_literal_type) : New.
25387 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
25389 * dwarfout.c (field_byte_offset): Correctly compute the object's
25390 byte offset for the first bit of a field which crosses an alignment
25391 boundary on a !BYTES_BIG_ENDIAN target.
25393 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
25395 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
25398 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
25399 Jeff Law <law@cygnus.com>
25401 * ginclude/varargs.h (va_dcl): Use word_mode for type of
25404 * except.c: Include intl.h.
25405 (expand_eh_return): Set current_function_cannot_inline.
25406 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
25407 * function.h (struct function): Add eh_return_stub_label.
25408 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
25409 * Makefile.in (except.o): Depend on intl.h.
25411 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
25413 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
25414 same as offsettable in cases 1 and 2.
25416 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
25418 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
25419 (extlh, extwh): Likewise.
25421 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
25423 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
25425 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
25427 * configure.in: Add arm-pe and thumb-pe targets.
25428 * configure: Regenerate.
25430 * thumb.c (arm_naked_function_p): New function: Determines if
25431 a function is naked (has no gcc generated prologue/epilogue).
25432 (is_called_in_ARM_mode): Return true if the func has the
25433 interfacearm attribute.
25434 (output_return): Do not generate a return for naked functions.
25435 (thumb_function_prologue): Do not generate a prologue for
25437 (thumb_expand_prologue): Do not generate a prologue for naked
25439 (thumb_expand_epilogue): Do not generate an epilogue for naked
25441 (arm_valid_machine_decl_attribute): New function, copied from
25442 arm.c: Permit naked and interfacearm attributes.
25444 * config/arm/pe.c: New file: Support code for arm-pe target.
25445 * config/arm/pe.h: New file: Header file for arm-pe target.
25446 * config/arm/tpe.h: New file: Header file for thumb-pe target.
25447 * config/arm/t-thumb-pe: New file: Makefile fragment for
25450 1999-07-01 Mark Kettenis <kettenis@gnu.org>
25452 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
25453 -fPIC or -fpic is specified.
25455 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
25457 * expr.c (emit_block_move): Use copy_to_mode_reg for
25458 !TARGET_MEM_FUNCTIONS case too.
25460 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
25462 * configure: Rebuilt.
25463 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
25464 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
25465 definitions made redundant by dbxelf.h inclusion. Delete
25466 lots of definitions related to assembly output that are
25467 specific to the SOM object format.
25468 * pa.c (output_function_prologue): Do not emit the function's
25470 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
25471 * pa-pro.h: Deleted.
25472 * som.h: New file with SOM specific definitions.
25473 * elf.h: New file with ELF specific definitions.
25475 * elfos.h (const_section): Output a tab before assembler directives.
25476 (ctors_section, dtors_section): Likewise.
25477 (ASM_OUTPUT_SECTION_NAME): Likewise.
25479 * pa/pa1.h: Delete unused file.
25481 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
25483 * configure.in (hppa*-hp-hpux11*): New configuration.
25484 * configure: Rebuilt.
25485 * pa/pa-hpux11.h: New file.
25486 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
25489 * mips.md (leasi, leadi): New patterns.
25491 * expr.c (emit_block_move): Properly handle case where one of the
25492 block move arguments has a queued increment or decrement.
25493 (clear_storage): Similarly. Fix formatting goof.
25495 1999-06-28 "David O'Brien" <obrien@NUXI.com>
25497 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
25498 semicolon from the BSD VA_LIST replacement expression.
25500 * fixinc/inclhack.sh: regen
25501 * fixinc/fixincl.x: regen
25503 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
25504 now use the fixincl program.
25506 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
25508 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
25509 case. Also make the PIC register call_used.
25511 * m68k.h (FINALIZE_PIC): Delete.
25512 * m68k.c (finalize_pic): Delete.
25514 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
25516 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
25519 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
25521 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
25523 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
25525 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
25527 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
25529 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
25531 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
25533 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
25535 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
25537 * rs6000.c (output_toc): Always use hex values for floating-point
25538 constants. Store single-precision values in upper-half of TOC
25539 entry in 64-bit mode.
25540 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
25541 to final constraints.
25542 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
25543 (fctiwz): Improve accuracy of RTL for pattern.
25545 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
25547 * expr.c (expand_expr): Allow RTL_EXPR's through the
25548 MAX_INTEGER_COMPUTATION_MODE checks.
25550 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
25552 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
25553 such that MASK_SUPPORT_ARCH is not negative.
25555 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
25557 * loop.c (verify_dominator): Properly handle ADDR_VEC and
25558 ADDR_DIFF_VEC insns that appear inside loops.
25560 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
25561 Jeff Law <law@cygnus.com>
25563 * rs6000.md (movdf_hardfloat32): Revert previous patch.
25564 Handle LO_SUM the same as offsettable in cases 1 and 2.
25565 * rs6000.c (find_addr_reg): Revert previous patch.
25567 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
25569 * system.h (strstr): New external function declaration.
25570 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
25571 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
25572 * config.in, configure: Rebuilt.
25574 1999-06-24 Tom Tromey <tromey@cygnus.com>
25576 * gcc.c (main): Read user-specified specs files after computing
25577 additional startfile_prefixes.
25579 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
25581 Revert these two patches:
25583 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25584 * loop.c (strength_reduce): When doing biv->giv conversion, update
25585 reg note of NEXT->insn.
25587 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25588 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25590 (recombine_givs): Set ix field after sorting.
25592 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25594 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
25595 for the parts of an UNSPEC / UNSPEC_VOLATILE.
25597 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
25599 *fixinc/inclhack.def: Add fix development commentary
25600 (read_ret_type): reactivate and add selection clause
25601 (zzz_*): tweak output file name to match what is used in hackshell.tpl
25602 *fixinc/{fixincl.x|inclhack.sh}: regen
25604 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
25606 * expr.c (expand_expr): STRIP_NOPS before checking against
25607 MAX_INTEGER_COMPUTATION_MODE
25608 (check_max_integer_computation_mode): Likewise.
25610 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
25612 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
25614 1999-06-22 Jim Wilson <wilson@cygnus.com>
25616 * expr.c (store_expr): When target is a promoted subreg, return a
25617 promoted subreg as a result.
25619 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
25621 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
25623 (dwarf2out_define): Mark unused parameters appropriately.
25624 (gen_unspecified_parameters_die): Ditto.
25625 (gen_subprogram_die): Fix signed/unsigned warnings.
25626 (gen_variable_die): Ditto.
25628 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
25630 * fixinc/inclhack.def(end_else_label): combined else_label
25631 and endif_label and fixed the sed expression.
25632 *fixinc/{fixincl.x|inclhack.sh}: regen
25634 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
25636 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
25637 'x' when handling non-offsettable addresses
25639 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
25641 * final.c (shorten_branches): Don't try to split an insn that has
25644 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
25646 * config/mips/mips.c (symbolic_expression_p): New function.
25647 (mips_select_rtx_section): Put symbolic expressions in the
25648 data section, not the read-only data section.
25650 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
25652 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
25654 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
25656 * collect2.c (main): Log frame table count.
25657 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
25658 (scan_prog_file) [COFF]: Handle frame tables.
25660 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
25661 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
25662 * alpha/elf.h: Undef them again.
25663 * alpha/vms.h: Remove their definitions.
25665 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25667 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
25668 remove the clobber of r0 and change the REG_UNUSED note to
25671 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
25673 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
25674 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
25675 fits in HOST_WIDE_INT and one uses union to access a long constant
25678 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
25680 * sparc.c (sparc_override_options): Don't allow profiling for
25681 code models other than medlow.
25682 (sparc_function_profiler): New function from old FUNCTION_PROFILER
25683 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
25684 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
25685 (sparc_block_profiler): Likewise.
25686 (sparc_function_block_profiler_exit): Likewise.
25687 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
25688 (FUNCTION_BLOCK_PROFILER): Likewise.
25689 (BLOCK_PROFILER): Likewise.
25690 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
25691 (MCOUNT_FUNCTION): New.
25692 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
25693 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
25694 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
25695 (MCOUNT_FUNCTION): New.
25696 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
25697 (BLOCK_PROFILER): Delete.
25698 (MCOUNT_FUNCTION): New.
25700 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
25702 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
25704 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25706 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25709 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25712 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25715 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25718 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
25720 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
25723 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
25725 * i386/djgpp.h (LIB_SPEC): New.
25726 (STARTFILE_SPEC): New.
25728 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
25730 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
25732 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
25735 * system.h (WSTOPSIG): New macro.
25737 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
25739 * c-pragma.c (push_alignment): Don't ignore alignments greater than
25741 (insert_pack_attributes): Take into account member natural
25744 * i386/winnt.c (exports_head): New static variable.
25745 (i386_pe_record_exported_symbol): New function.
25746 (i386_pe_asm_file_end): Use.
25747 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
25748 symbols to be emitted at end of assembly.
25749 (ASM_DECLARE_OBJECT_NAME): Likewise.
25750 (ASM_DECLARE_FUNCTION_NAME): Likewise.
25752 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
25755 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
25757 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
25760 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
25762 * haifa-sched.c (sched_analyze_1): Use free_list instead of
25763 zapping reg_last_uses directly.
25764 (sched_analyze_2, sched_analyze_insn): Likewise.
25765 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
25767 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
25769 * rs6000.md (movdf_hardfloat32): Use worst case insn length
25770 attributes for cases 1 and 2.
25772 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
25774 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
25777 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
25779 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
25781 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
25783 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
25784 PIC_OFFSET_TABLE_REGNUM for general alloaction.
25785 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
25786 must be stacked if it is used for PIC accesses.
25787 * arm.c (use_return_insn): Handle PIC register specially.
25788 (output_return_instruction): Likewise.
25789 (output_func_{prologue,epilogue}): Likewise.
25790 (output_expand_prologue): Likewise.
25792 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
25793 (*strsi_predec): Renamed from *strqi_predec.
25794 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
25795 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
25797 * arm.c (arm_override_options): Remove warning about PIC code
25798 not being supported.
25800 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
25802 * rs6000.c (find_addr_reg): New function.
25803 * rs6000.h (find_addr_reg): Declare.
25804 (offsettable_addr_operand): Delete.
25805 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
25806 from and stores to GPRs.
25808 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
25810 * alpha.c (alpha_expand_block_move): Use get_insns rather than
25811 gen_sequence as argument to emit_no_conflict_block.
25813 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25815 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
25816 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
25817 *fixinc/fixincl.x: regen
25818 *fixinc/inclhack.sh: regen
25820 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
25822 * added support for -mpcrel (PC relative addressing for m68k)
25823 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
25824 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
25825 * m68k.c (print_operand_address): Handle 32-bit PIC case.
25826 (comments for general_src_operand): Add some explanation
25827 about EXTRA_CONSTRAINTS.
25828 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
25829 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
25830 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
25831 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
25832 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
25833 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
25834 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
25835 if not already set.
25836 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
25837 * m68k.h (TARGET_PCREL): New target flag.
25838 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
25839 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
25840 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
25841 contains a SYMBOL_REF. Relax this constraint during reload, since
25842 we want to use the predicates, not reload's built-in concept of a
25843 valid memory address, to control what insns need reloading.
25844 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
25845 operands (essentially 'g', 'm', and 's' under normal circumstances).
25846 * m68k.c (print_operand): Cause printing of pc-relative addresses
25847 to include pc register.
25848 (print_operand_address): Ditto.
25849 (general_src_operand): Accept operands that are not only
25850 general_operands, but are also valid when used as a pc-relative
25852 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
25853 (memory_src_operand): Similar, for memory_operands.
25854 (pcrel_address): New predicate to accept the special case of a
25855 pc-relative address.
25856 * m68k.md (many patterns): Rewrite common SImode, HImode, and
25857 QImode insns to accept *_src_operand instead of *_operand where
25858 pc-relative operands can fit. For example, a pc-relative operand
25859 can be used as a memory source operand for addsi3, but not as a
25860 memory destination.
25861 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
25863 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
25865 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
25866 .thumb_set pseudo op to mark aliases of thumb functions.
25868 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
25870 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
25871 preference to ASM_OUTPUT_DEF, if it is defined.
25873 * tm.texi: Document new, optional target macro
25874 ASM_OUTPUT_DEF_FROM_DECLS.
25876 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25878 * fixincludes: ISCNTL patch
25879 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
25880 (dgux_int_varargs): new for DG/UX
25881 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
25883 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
25885 * invoke.texi (ia32 options): Fix typo.
25887 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25889 * loop.c (strength_reduce): When doing biv->giv conversion, update
25890 reg note of NEXT->insn.
25892 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
25894 * loop.c (move_movables): Note issues with replacing REGs with
25896 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
25898 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
25900 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
25902 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
25903 the reference to `mcount' was not correct for the ELF on FreeBSD.
25905 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25907 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25910 (recombine_givs): Set ix field after sorting.
25912 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
25914 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
25915 to safe to extract a subword out of a REG.
25917 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25919 * sh.md (mulsi3): Don't add a no-op move at the end.
25921 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25923 * cse.c (cse_insn): Don't put hard register source into tables for
25924 the last insn of a libcall.
25926 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25928 * loop.c (strength_reduce): Insert sets of derived givs at every
25929 biv increment, even if it's the only one.
25931 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
25933 * dwarfout.c (add_incomplete_type): New fn.
25934 (output_type): Call it.
25935 (retry_incomplete_types): New fn.
25936 (dwarfout_finish): Call it.
25938 From Eric Raskin <ehr@listworks.com>:
25939 (output_type): Output types for bases.
25941 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
25943 * mips.c (mips_output_conditional_branch): Add `break'
25944 between `default' label and `close braces'.
25946 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
25948 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
25949 specifications and make it realistic.
25950 (LIB_SPEC): Likewise.
25952 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
25954 * config/mips/mips.c (mips_secondary_reload_class): Check for
25955 (PLUS (SP) (REG)) and return appropriate register class.
25956 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
25957 Handle (PLUS (SP) (REG)).
25958 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
25959 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
25960 of emit_insn for tablejump.
25962 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
25964 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
25965 asm_fprintf format string by itself.
25966 (output_function_profiler): Likewise.
25968 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
25970 * combine.c (simplify_logical, case AND): Only call
25971 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
25972 or the constant is positive.
25974 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
25976 * configure.in: Fix typo in rs6000-ibm-aix4 case.
25977 * configure: Regenerate.
25979 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
25981 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
25982 require a sub-version #.
25983 * configure: Rebuilt.
25985 1999-06-14 Robert Lipe (robertlipe@usa.net)
25987 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
25989 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
25991 * c-typeck.c (process_init_element): Detect excess elements in
25992 char array initializer.
25994 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
25996 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
25998 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26000 * invoke.texi (Option Summary): Add -fpermissive flag.
26002 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
26004 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
26005 that require PIC code sequences.
26007 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
26009 * configure.in: Add new target: thumb-elf.
26010 * configure: Regenerate.
26011 * config/arm/t-thumb-elf: New file: Makefile fragment for
26013 * config/arm/telf.h: New file: Header file for thumb-elf
26016 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
26018 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
26019 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
26020 initializers is some circumstances.
26022 * fixinc/inclhack.def (endif_label): Add additional selector for
26023 more bogus stuff after #endif statements.
26024 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
26026 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
26028 * i386/cygwin.h (SET_ASM_OP): Define.
26030 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
26032 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
26034 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26036 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
26039 * sh.md (ic_invalidate_line_i): Remove second alternative.
26041 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26043 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
26044 test for the presence of valid prototypes. Delete bypass expr.
26045 (ioctl_fix_ctrl): Correct the selection expression.
26046 (no_double_slash): Correct quoting rules
26047 *fixinc/fixincl.x: regen
26048 *fixinc/inclhack.sh: regen
26050 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
26052 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
26054 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26056 * rs6000.md (movsi_got_internal_mem): Delete.
26057 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
26058 (GOT_TOC_REGNUM): Delete.
26059 (PIC_OFFSET_TABLE_REGNUM): Define.
26060 (FINALIZE_PIC): Disable.
26061 * rs6000.c (rs6000_got_register): New code for fixed pic register.
26062 (rs6000_replace_regno): Delete.
26063 (rs6000_finalize_pic): Likewise.
26064 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
26066 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26068 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
26069 is a note; use <= for the compare; advance P while it is
26072 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
26074 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
26075 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
26077 * varasm.c (remove_from_pending_weak_list): Verify t->name
26078 is non-NULL before passing it to strcmp.
26080 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26082 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
26083 the typed arguments are not part of a comment
26084 (ioctl_fix_ctrl): Added a purpose comment
26085 *fixinc/fixincl.x: regenerate
26086 *fixinc/inclhack.sh: regenerate
26088 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
26090 * invoke.texi: Add C4x invocation docs.
26092 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
26094 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
26096 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
26098 (c4x_legitimize_reload_address): New function.
26099 * config/c4x/c4x.md: Update docs.
26101 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
26103 * fixincludes: Avoid removing '.'.
26104 * fixinc/fixinc.svr4: Likewise.
26105 * fixinc/fixinc.winnt: Likewise.
26106 * fixinc/inclhack.tpl: Likewise.
26107 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
26109 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26111 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
26113 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
26115 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
26117 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
26120 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
26122 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
26123 * configure: Regenerate.
26125 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
26127 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
26130 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
26132 * fixinc/inclhack.def (avoid_bool): Also catch
26133 "typedef [unsigned] int bool".
26134 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
26136 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
26137 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
26138 * configure: Rebuilt.
26140 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
26142 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
26143 such that we can override its definitions if necessary.
26144 (CPP_SPEC): New define. Support processor specific predefines via
26146 (CC1_SPEC): New define. Support processor specific compiler
26147 options via %(cc1_cpu).
26148 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
26151 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26153 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
26154 between sed's -e flag, and the open-quote following it.
26155 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
26157 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
26158 Jeffrey A Law (law@cygnus.com)
26160 * varasm.c (assemble_start_function): Remove the function
26161 from the pending weak decls list when we define a function.
26162 (assemble_variable): Similarly for variables.
26163 (weak_finish): Ignore items on the list with a NULL name.
26164 (remove_from_ending_weak_list); New function to "remove" an item
26165 from the pending weak declarations list.
26167 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26169 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
26171 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
26173 * c-lex.c (GETC): Redefine to call getch.
26174 (UNGETC): Redefine to call put_back.
26175 (putback_buffer): New structure type.
26176 (putback): New static structure.
26177 (getch): New function.
26178 (put_back): New function.
26179 (yylex): Replace unused bytes from bad multibyte character.
26181 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
26183 * cpplib.c (do_define): Cast `alloca' return value.
26184 (do_include, do_undef, do_pragma): Likewise.
26185 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
26187 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
26188 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
26190 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
26192 * sparc.md (abstf2): This should be an expand.
26193 (split after abstf2_notv9): Fix mode.
26194 (abstf2_hq_v9): New pattern.
26195 (abstf2_v9): Only use when no hard quad.
26196 (absdf2_v9): Fix if target is not the same as source.
26197 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
26198 Add correct output constraints.
26200 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
26202 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
26203 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
26205 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
26207 * mips.h (mips_output_conditional_branch): New function.
26208 (mips_adjust_insn_length): Likewise.
26209 (ASSEMBLER_SCRATCH_REGNUM): New macro.
26210 (ADJUST_INSN_LENGTH): Likewise.
26211 * mips.c (print_operand): Add `F' and `W' for floating-point
26212 comparison opcodes.
26213 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
26215 (mips_adjust_insn_length): New function.
26216 (mips_output_conditional_branch): New function.
26217 * mips.md (length): Adjust attribute definition to handle
26218 conditional branches. Change lengths to bytes, rather than
26219 instructions throughout. Remove length attribute from
26220 instructions whose length is four bytes, and rely on the default
26222 (dslot): Fix typo in comment.
26223 Reword conditional branch patterns to use
26224 mips_output_conditional_branch.
26226 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
26228 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
26229 (LIB_SPEC): Likewise.
26230 Link with -lprof1_r for -g/-pg.
26232 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26234 * loop.c (check_dbra_loop): Fix change of Jan 19.
26236 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
26238 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
26239 (STARTFILE_SPEC): Define, override the svr4.h version.
26240 (ENDFILE_SPEC): Likewise.
26242 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
26244 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
26245 * fixinc/fixincl.x: Regenerated.
26246 * fixinc/inclhack.sh: Regenerated.
26248 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26250 * sh.c (barrier_align): Don't return early for normal branch/barrier
26251 when optimizing for SH2.
26253 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
26255 * i386/udk.h (LINK_SPEC): Correct linker search path for
26258 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26260 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
26261 (braf_label_ref_operand): Delete.
26262 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
26263 * sh.md (casesi_jump_2): Operand1 is now the inside of a
26264 label_ref, and has no predicate.
26265 The patten has a predicate to guard against invalid substitutions.
26266 (dummy_jump): Delete.
26267 (casesi): Update use of casesi_jump_2.
26269 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26271 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
26272 *fixinc/fixincl.x: regenerate
26273 *fixinc/inclhack.sh: regenerate
26275 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
26277 * dwarf2out.c (add_incomplete_type): New fn.
26278 (gen_struct_or_union_type_die): Call it.
26279 (retry_incomplete_types): New fn.
26280 (dwarf2out_finish): Call it.
26282 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
26284 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
26285 current block starts with a CODE_LABEL and ends with a CALL and
26286 we can not find all the argument setup instructions for the CALL.
26288 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
26290 Revert this change:
26291 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26292 something is a candidate for optimize_bit_field_compare.
26294 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26296 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
26298 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
26300 * alpha.c (override_options): Thinko in last patch.
26302 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
26303 (LIB_SPEC): Recognize -pthread.
26305 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
26307 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
26308 definition in config/arm/coff.h
26309 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
26311 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26313 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
26314 fixes that need "file=xxx\n" prepended before invocation
26315 (start_fixer - new): starting the fixer process is complex enough
26316 to warrent its own routine. It prepends the "file=xxx\n" stuff.
26317 (process): uses the new routine; omit usage of putenv()
26318 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
26319 * fixinc/fixincl.x: regenerate
26321 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
26323 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
26324 and version #s (1.1 -> 2.96) as needed.
26325 * README.g77: Kill way out of date file in the toplevel directory.
26327 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
26329 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
26330 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
26331 * configure: Rebuilt.
26332 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
26333 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
26334 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
26335 (SWITCH_TAKES_ARG): Likewise.
26336 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
26337 * config/t-freebsd: Moved from config/i386/ so it can used for all
26340 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
26342 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
26344 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
26346 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
26347 * configure: Rebuilt.
26349 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
26351 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
26352 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
26353 * rs6000/rs6000.c (rs6000_file_start): Use putc.
26354 (rs6000_output_load_toc_table): Same.
26355 (output_prolog, output_mi_thunk): Same.
26356 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
26357 (ASM_GLOBALIZE_LABEL): Use putc.
26359 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
26361 * alpha.md (reload_*_help): New patterns and splitters.
26362 (reload_*): Use them.
26363 (mov[qh]i): Likewise.
26365 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
26367 * cccp.c (handle_directive): Handle backslash-newlines in quoted
26370 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
26372 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
26374 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
26376 * flow.c (mark_regs_live_at_end, insn_dead_p,
26377 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
26378 and HARD_FRAME_POINTER_REGNUM special treatment if reload
26379 hasn't run or the frame pointer is needed.
26380 * haifa-sched.c (attach_deaths): Likewise.
26381 * sched.c (attach_deaths): Likewise.
26383 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
26385 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
26386 calculate_can_reach_end returns nonzero.
26388 * configure.in (native gas tests): Search for an assembler in the
26389 same manner that the installed compiler will.
26390 * configure: Rebuilt.
26391 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
26393 * alias.c (find_base_term): Improve handling of addresses
26394 constructed from binary operations.
26396 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
26398 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
26400 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
26402 * function.h (cleanup_label, frame_offset): Declare.
26403 (tail_recursion_label, tail_recursion_reentry): Likewise.
26404 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26405 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
26406 (tail_recursion_label, tail_recursion_reentry): Likewise.
26407 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26409 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
26411 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
26413 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
26414 (MAX_OFILE_ALIGNMENT): Define.
26416 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
26418 * fixincl.c: Replace local include scheme with #includes of
26419 gansidecl.h and system.h.
26420 * procopen.c: Likewise.
26421 * server.c: Likewise.
26423 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
26425 * i386/t-dgux (EXTRA_PARTS): Add crti.o
26426 (crti.o): Add build rule and dependencies.
26427 * fixinc/fixinc.dgux: Use modified _int_varargs.h
26429 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26431 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
26432 (LIB_LINUX_SPEC): Likewise.
26433 (LIB_LINUX_SPEC): Add support for -pthread
26434 (CPP_OS_LINUX_SPEC): Likewise.
26435 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
26438 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
26440 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
26442 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
26443 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
26444 for IEEE math and CC_FCOMI.
26445 (put_jump_code): No IEEE if CC_FCOMI is set.
26447 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26449 * fold-const.c (fold_truthop): Make the field reference unsigned
26450 when converting a single bit compare.
26452 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26454 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
26456 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
26458 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
26459 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
26462 * reload.c (push_reload): Do not call remove_address_replacements
26463 when presented with identical optional reloads.
26465 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
26467 * alpha.h (MASK_FIX, TARGET_FIX): New.
26468 (MASK_*): Reorganize constants.
26469 (CPP_AM_FIX_SPEC): New.
26470 (TARGET_SWITCHES): Add FIX.
26471 (EXTRA_SPECS): Likewise.
26472 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
26473 (SECONDARY_MEMORY_NEEDED): Likewise.
26474 (REGISTER_MOVE_COST): Likewise.
26475 * alpha.c (override_options): Add FIX support. Always use
26476 ALPHA_TP_PROG for ev6.
26477 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
26478 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
26479 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
26481 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
26483 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26484 something is a candidate for optimize_bit_field_compare.
26486 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
26488 * gcc.texi (Passes): Document branch-shortening.
26489 * invoke.texi (Debugging Options): Document the fact that `-dp'
26490 outputs length information for instructions.
26492 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
26494 * flow.c: Revert previous delta.
26496 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
26498 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
26499 FRAME_POINTER_REGNUM.
26500 (mark_set_1): Ditto.
26501 (mark_used_regs): Ditto.
26503 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
26505 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
26506 (GOT_PCREL): New macro. Define to 1 if not already defined.
26507 * arm/elf.h (GOT_PCREL): Define to 0.
26508 * arm.c (arm_finalize_pic): Take into account the setting of
26511 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
26513 * output.h (STRIP_NAME_ENCODING): Provide default definition.
26514 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
26516 * flow.c (mark_set_1): Do not record BLKmode stores as dead
26517 store elimination candidates.
26519 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
26521 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
26524 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
26526 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
26527 Add use of x-aix41-gld.
26529 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
26531 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
26532 (ASM_OUTPUT_DESTRUCTOR): Define.
26534 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
26536 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
26537 last CODE_LABEL in a loop if we have previously passed a jump
26538 to the top of the loop.
26540 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
26542 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
26543 applying Philip's patch.
26545 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
26547 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
26550 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
26552 * loop.c (strength_reduce): Grow reg_single_usage as needed.
26554 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
26556 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
26557 Also remove a useless comment.
26559 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26561 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
26563 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
26565 * collect2.c (main): Only generate import or export file and add
26566 to link arguments if non-empty. Use xmalloc not alloca.
26567 (write_{export,import}_file): Delete.
26568 (write_aix_file): New function.
26569 (locatelib): Use xmalloc not malloc.
26570 (GCC_OK_SYMBOL): Do not check type if aix64.
26572 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
26574 Based on patch by Scott Bambrough and Pat Beirne:
26575 * config/arm/arm.c (making_const_table): New variable.
26576 * config/arm/arm.h (making_const_table): Declare.
26577 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
26579 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
26580 Keep track of when we are building the constant table.
26582 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
26584 * config/arm/arm.c (arm_override_options): Fix erroneous warning
26587 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
26589 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
26592 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
26594 * tm.texi (FUNCTION_ARG): Correct description of a stack element
26597 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
26599 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
26601 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26603 * rs6000.c (output_mi_thunk): Enable full support again.
26605 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26607 * sh.h (BRANCH_COST): Define.
26609 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
26611 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
26613 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
26615 * function.c (assign_stack_local): Align stack slot propertly.
26616 (assign_outer_stack_local): Likewise.
26618 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
26620 * expr.h (lang_expand_constant): Declare.
26621 * toplev.c (lang_expand_constant): Define it.
26622 * varasm.c (output_constant): Use it.
26624 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26626 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
26627 Change function definitions to K&R style.
26629 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26631 * fixinc/fixincl.c: We must not ignore SIGCLD now.
26633 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
26635 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
26636 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
26637 (several places): omit static initialization
26638 (process): use single fd, since only the read fd is used
26639 * fixinc/gnu-regex.c: define 'const' away, if not supported
26640 * fixinc/procopen.c(several places): omit static initialization
26641 * fixinc/server.c: define 'volitile' away, if not supported
26643 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26645 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
26646 asm_fprintf and %L to generate the label name.
26647 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
26648 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
26650 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
26652 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
26653 insn for a conditional jump can not be found.
26655 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
26657 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
26658 on variables in specific sections other than .sbss and .sdata.
26660 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
26662 * stmt.c (expand_return): Call start_cleanup_deferral and
26663 end_cleanup_deferral around conditional code.
26665 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26667 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
26668 filename lists. Utilizes new "krstr" AutoGen function.
26669 * fixinc/fixincl.x: Rebuilt.
26671 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
26673 * i386.c (output_float_compare): Avoid GNU-C extensions.
26675 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
26677 * version.c: Bump to distinguish mainline tree from the
26680 See ChangeLog.1 for earlier changes.