1 2000-05-03 Richard Henderson <rth@cygnus.com>
3 * Makefile.in (start.encap): Do not depend on LIBGCC1.
5 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
7 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
8 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
10 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
11 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
12 objc/Make-lang.in: Use it.
14 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
16 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
18 2000-05-03 Richard Henderson <rth@cygnus.com>
20 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
21 LIBGCC1 empty with libgcc1.null.
23 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
25 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
28 2000-05-03 Greg McGary <gkm@gnu.org>
30 * tree.h (tree_common): Add bounded_flag member. Remove
31 inaccurate comment about number of remaining bits.
32 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
33 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
34 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
35 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
36 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
37 (TYPE_QUAL_BOUNDED): New constant.
38 (TYPE_QUALS): Handle bounded qualifier.
39 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
40 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
41 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
42 TYPE_AMBIENT_BOUNDEDNESS): New macros.
43 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
44 (tree_type): Add pointer_depth member. Remove
45 inaccurate comment about number of remaining bits.
46 (DECL_POINTER_DEPTH): Add macro.
47 (tree_decl): Add pointer_depth member.
49 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
51 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
52 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
53 (lshrhi3_out): Likewise.
54 (ashrsi3_out): bugfix in shift by 8.
55 (test_hard_reg_class): New function.
56 * config/avr/avr.md: Bugfix inside conditions in peepholes.
57 (ashlhi3): removed define_expand of this pattern.
58 (*ashlhi3_insn): renamed to ashlhi3.
59 (ashlsi3): removed define_expand of this pattern.
60 (*ashlsi3_insn): renamed to ashlsi3.
61 (ashrqi3): removed define_expand of this pattern.
62 (*ashrqi3_insn): renamed to ashrqi3.
63 (ashrhi3): removed define_expand of this pattern.
64 (*ashrhi3_insn): renamed to ashrhi3.
65 (ashrsi3): removed define_expand of this pattern.
66 (*ashrsi3_insn): renamed to ashrsi3.
67 (lshrhi3): removed define_expand of this pattern.
68 (*lshrhi3_insn): renamed to lshrhi3.
69 (lshrsi3): removed define_expand of this pattern.
70 (*lshrsi3_insn): renamed to lshrsi3.
72 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
74 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
75 inclusion of "system.h".
77 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
79 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
82 2000-05-03 David Mosberger <davidm@hpl.hp.com>
84 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
86 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
87 -mconstant-gp is in effect and function-descriptors are being used
88 to make indirect calls.
89 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
90 (MASK_AUTO_PIC): Ditto.
91 (TARGET_CONST_GP): Ditto.
92 (TARGET_AUTO_PIC): Ditto.
93 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
94 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
95 -mno-pic is in effect.
96 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
97 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
98 -mauto-pic is in effect.
99 (gprel64_offset): New pattern.
100 (load_gprel64): Ditto.
101 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
102 -mconstant-gp is in effect, no need to preserve gp around direct
105 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
106 (FUNCTION_PROFILER): Define.
107 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
108 @fptr() directive when -mno-pic or -mauto-pic is in effect.
109 (ASM_OUTPUT_DESTRUCTOR): Ditto.
111 2000-05-03 Richard Henderson <rth@cygnus.com>
113 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
114 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
115 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
116 (mklibgcc, libgcc.mk): New targets.
117 (libgcc.a): Use libgcc.mk.
118 (stmp-multilib): Likewise.
119 (stmp-multilib-sub): Remove.
120 (mostlyclean): Don't delete libgcc2 temp files.
121 * configure.in (AC_PROG_CC_C_O): Add.
122 (NO_MINUS_C_MINUS_O): Substitute it.
123 (all_outputs): Add mklibgcc.
124 * mklibgcc.in: New file.
126 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
128 * cppexp.c (op_t): Make an int.
130 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
132 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
134 * gensupport.c (process_rtx): Fix macros used.
136 2000-05-03 Richard Henderson <rth@cygnus.com>
138 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
139 call-clobbered registers of a call.
141 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
143 * gensupport.c: New file.
144 * gensupport.h: New file.
145 * Makefile.in (HOST_RTL): Depend on gensupport.
146 (gensupport.o) New rule.
147 * genattr.c: Use gensupport for reading .md files.
148 * genattrtab.c: Ditto.
150 * genconfig.c: Ditto.
152 * genextract.c: Ditto.
154 * genopinit.c: Ditto.
155 * genoutput.c: Ditto.
158 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
159 * md.texi (Insn Splitting): Document define_insn_and_split.
161 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
163 * flow.c (verify_flow_info): Added two more sanity checks. The
164 first checks that the blocks are numbered consecutively. The second
165 checks that n_basic_blocks is actually equal to the number of
166 basic blocks in the insn chain.
168 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
170 * cpplib.h: Add accessor macros for token lists.
171 * cpplib.c, cpphash.c, cpplex.c: Use them.
173 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
175 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
176 memory usage if not in a function.
177 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
178 return address if static.
180 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
182 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
183 whether address may trap.
185 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
187 * bb-reorder (chain_reorder_blocks): Changed code to test for
188 EDGE_FALLTHRU rather than making erroneous assumption that the
189 first outgoing edge is the fall-through edge.
191 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
193 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
194 ABI for varargs, across all MIPS. This is incompatible because the
195 va_list (__builtin_va_list) structure is different, so a compilation
196 unit passing a va_list and a compilation unit being passed one, should
197 both be compiled with the same ABI. (The old structure had two
198 pointers, now it has three.)
200 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
202 * bb-reorder.c (struct reorder_block_def): Remove members end,
203 block_begin, and block_end.
204 (REORDER_BLOCK_OLD_END): Delete.
205 (REORDER_BLOCK_BEGIN): Delete.
206 (REORDER_BLOCK_END): Delete.
207 (chain_reorder_blocks): Remove dead code.
209 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
211 * bb-reorder.c (remove_scope_notes): Check for both types of scope
212 notes as the end of a basic block before deleting.
214 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
216 * final.c (final_start_function): Fix spelling of "necessary".
218 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
220 * toplev.c (debug_ignore_block): Return int.
221 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
222 * toplev.h, dwarf2out.h: Adjust.
223 * emit-rtl.c (remove_unnecessary_notes): Test return value.
225 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
226 * toplev.c, final.c, rtl.h: Adjust.
228 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
230 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
231 * configure.in: Look for makeinfo in the unified tree, then
232 for a system makeinfo which is sufficiently new.
233 * Makefile.in: If configure says makeinfo is too old, don't
234 build or install Info documentation.
236 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
238 * cpphash.c (collect_params): Fix off-by-one error.
239 (dump_hash_helper): Dump all four macro nodetypes.
241 2000-05-02 Jakub Jelinek <jakub@redhat.com>
243 * cpphash.c (trad_stringify): Adjust p after stringification as
246 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
248 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
249 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
251 * cppfiles.c (file_cleanup): Delete.
252 * cpphash.c (macro_cleanup): Delete.
253 (collect_objlike_expansion, collect_funlike_expansion,
254 macarg, scan_arguments): Remove CPP_POP case.
256 * cpplex.c (null_cleanup): Delete.
257 (cpp_pop_buffer): Do the work that was done in the cleanups
258 here. Call _cpp_unwind_if_stack from here.
259 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
260 cpp_scan_buffer): Run until we see CPP_EOF and the top of
261 stack is the buffer _below_ the one we stacked.
262 (cpp_get_token): Always pop an exhausted buffer. Return
263 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
264 * cpplib.c (skip_if_group): Don't call cpp_get_token to
265 increment the line number.
266 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
268 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
269 we see CPP_EOF and the top of stack is the buffer _below_ the
271 * scan-decls.c: Likewise.
273 2000-05-02 Andrew Haley <aph@cygnus.com>
275 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
276 where this function is called for the second time on a decl that
277 has had its section info changed in such a way as to move it out
279 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
281 2000-05-01 Richard Henderson <rth@cygnus.com>
283 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
284 the sequence we're moving, not to merge_bb->head.
286 2000-05-01 Richard Henderson <rth@cygnus.com>
288 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
289 reference to alpha/t-linux.
290 (alpha*-*-linux-gnu*): Likewise.
291 * configure: Rebuild.
293 * calls.c (expand_call): Don't emit reg notes for a sibcall.
295 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
298 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
300 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
302 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
305 2000-05-01 Richard Henderson <rth@cygnus.com>
307 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
308 emit_conditional_move.
310 2000-05-01 Jakub Jelinek <jakub@redhat.com>
312 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
313 as the dynamic linker.
315 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
317 * cppfiles.c (open_include_file): Open file in blocking mode.
318 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
319 Only exclude block devices and directories.
321 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
322 static. Allocate the hashnode and its string in the same
324 (del_HASHNODE): Don't free h->name.
325 (_cpp_lookup): If there is no entry for this string, create
327 (_cpp_lookup_slot): Delete.
328 * cpphash.h: Update prototypes.
330 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
332 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
333 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
334 node here, just fill in the value field properly. "Delete"
335 entries by setting the value field to T_VOID. Check for
336 hp->type == T_VOID, not hp == NULL.
338 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
339 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
342 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
344 * config/mn10300/mn10300.c (print_operand_address): Do not add
347 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
348 adjusted by less than 256 bytes, use ret regardless of having any
349 callee-saved register to restore.
351 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
353 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
355 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
357 * config/i386/djgpp.h (INT_ASM_OP): Define.
358 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
359 (ASM_WEAKEN_LABEL): Define.
360 (MASK_BNU210): Define.
361 (SUBTARGET_SWITCHES): Define.
362 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
363 (MAKE_DECL_ONE_ONLY): Define.
364 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
366 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
368 * i386/cygwin.h (INT_ASM_OP): Define.
370 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
372 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
373 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
375 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
377 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
378 __tmp_reg__ and __zero_reg__ initialization.
380 2000-04-30 Richard Henderson <rth@cygnus.com>
382 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
384 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
385 referenced bewteen the condition and the jump. Don't delete
386 anything but the jump.
388 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
390 * bb-reorder.c (scope_def): New struct.
391 (scope_forest_info): New struct.
392 (struct reorder_block_def): New member "scope".
393 (REORDER_BLOCK_SCOPE): New macro.
394 (relate_bbs_with_scopes): New function and prototype.
395 (make_new_scope): Likewise.
396 (build_scope_forest): Likewise.
397 (remove_scope_notes): Likewise.
398 (insert_intra_1): Likewise.
399 (insert_intra_bb_scope_notes): Likewise.
400 (insert_inter_bb_scope_notes): Likewise.
401 (rebuild_scope_notes): Likewise.
402 (free_scope_forest_1): Likewise.
403 (free_scope_forest): Likewise.
404 (dump_scope_forest): Likewise.
405 (dump_scope_forest_1): Likewise.
406 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
407 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
409 (reorder_basic_blocks): Added calls to build_scope_scope_forest
410 and remove_scope_notes before reordering is done. Added calls to
411 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
412 after reordering is done.
414 2000-40-30 Bruce Korb <bkorb@gnu.org>
416 * fixinc/inclhack.def: Added definitions needed by OSR5,
417 removed two stale entries (defined away with OLD_CPP).
418 * fixinc/inclhack.sh: regen
419 * fixinc/fixincl.x: regen
421 2000-04-30 Richard Henderson <rth@cygnus.com>
423 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
424 from the last insn in the sequence.
426 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
428 * cpplex.c (cpp_idcmp): New function.
429 * cpplib.h: Prototype it.
430 * scan_decls.c (scan_decls): Use it to inspect token names.
431 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
432 the file being run through the preprocessor.
433 (check_macro_names): Provide length of token to cpp_defined.
435 * Makefile.in: Remove stale warning message.
437 * cppfiles.c (redundant_include_p): Provide length of token to
439 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
440 values are unsigned int.
441 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
442 (_cpp_lookup_slot): Do not calculate the hash, either.
443 * cpphash.h: Update prototypes.
444 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
445 Hashes are unsigned int. Calculate hash here, pass by value
448 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
450 * simplify-rtx.c (check_value_useless): Delete function.
451 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
453 (cselib_invalidate_regno): Likewise.
454 (cselib_invalidate_mem_1): Likewise.
455 (references_value_p): Recognize useless values by the fact that they
457 (discard_useless_values): Likewise.
458 (cselib_record_set): This may turn a useless value
461 2000-04-30 Richard Henderson <rth@cygnus.com>
463 * config/d30v: New port.
465 * configure.in (d30v-*): Set fp format.
466 * configure: Rebuild.
468 2000-04-30 Richard Henderson <rth@cygnus.com>
471 * Makefile.in (OBJS): Add it.
472 (ifcvt.o): New target.
473 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
474 and conditional arithmetic.
475 (find_insert_position): Remove.
476 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
477 * toplev.c (DFI_ce, DFI_ce2): New.
478 (dump_file): Add ce and ce2 dumps.
479 (rest_of_compilation): Run if_convert a couple o times. Set
480 cse_not_expected after cse2. Don't set no_new_pseudos until
481 after sched1 or recompute_reg_usage.
483 2000-04-30 Richard Henderson <rth@cygnus.com>
485 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
486 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
488 2000-04-30 Richard Henderson <rth@cygnus.com>
490 * flow.c (struct reg_cond_life_info): New.
491 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
492 (init_propagate_block_info): Initialize them.
493 (free_propagate_block_info): Destruct them.
494 (mark_set_1): Consider conditional life before killing a register.
495 (mark_regno_cond_dead): New.
496 (free_reg_cond_life_info): New.
497 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
498 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
499 (mark_used_reg): Record conditional life.
501 * haifa-sched.c (schedule_insns): Disable death counting
502 sanity check for HAVE_conditional_execution.
504 2000-04-30 Richard Henderson <rth@cygnus.com>
506 * Makefile.in (TIMEVAR_H): New.
507 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
508 (timevar.h): Remove rule.
510 2000-04-29 Richard Henderson <rth@cygnus.com>
512 * config/alpha/crtend.asm: Use C comments instead of #.
513 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
515 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
517 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
519 * cpphash.h (enum node_type: Take out T_MCONST.
520 (union hashval): Move into struct hashnode.
521 (struct hashnode): Pack tighter. Remove file, line, col
523 * cpphash.c: Constify most of the macro-definition structures.
524 (struct definition): Replace by struct object_defn
525 and struct funct_defn. Put file, line, column information
526 here. All users updated to match.
527 (_cpp_create_definition, _cpp_macroexpand): Remove special
528 case for #define WORD OTHERWORD.
529 * cpplib.c (do_undef): Remove T_MCONST case.
531 * cpphash.h: Move struct reflist, struct definition, and the
532 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
533 union hashval. _cpp_free_definition takes a HASHNODE pointer.
534 * cpphash.c (_cpp_free_definition): Free data pointed to by
535 MCONST, XCONST, MACRO, and FMACRO nodes properly.
536 (_cpp_create_definition, del_HASHNODE): Just call
537 _cpp_free_definition to clear out a hashnode.
538 * cpplib.c (do_pragma_poison): Likewise.
540 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
542 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
543 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
544 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
545 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
546 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
547 REGNO_AM33_P): Redefine in terms of the new macros.
548 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
549 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
550 STRUCT_VALUE): Likewise.
551 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
552 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
554 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
556 * regmove.c (struct record_stack_memrefs_data): New.
557 (record_stack_memrefs): New function.
558 (combine_stack_adjustments_for_block): Use it.
560 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
562 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
563 use special_function_p to detect alloca.
565 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
567 * gcc.texi: Fixes for makeinfo 4.0 --html.
569 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
571 * pcp.h: Delete file.
573 2000-04-28 Kazu Hirata <kazu@hxi.com>
575 * h8300.c (function_epilogue): Clean up flags when the last insn
576 in a function is a barrier.
578 2000-04-28 Chris Demetriou <cgd@sibyte.com>
580 * configure.in (sparc-hal-solaris2*): protect [] glob from
582 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
583 rather than hard-coded constants in target_cpu_default2.
584 * configure: Regenerate.
586 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
588 * tree.c (get_callee_fndecl): Extract the initial value from
591 2000-04-28 Richard Henderson <rth@cygnus.com>
593 * varasm.c (record_constant_1): Record the CODE_LABEL when
594 taking the address of a LABEL_REF.
596 2000-04-28 Richard Henderson <rth@cygnus.com>
597 Jan Hubicka <jh@suse.cz>
599 * calls.c (combine_pending_stack_adjustment_and_call): Return the
600 adjustment; don't do the stack adjust.
601 (expand_call): Call compute_argument_block_size right before
602 allocating the block; update comment; don't do alignment sanity
603 checking for sibling call; use args_size instead of
604 unadjusted_args_size before args_size is adjusted. Use
605 combine_pending_stack_adjustment_and_call to compute stack adjust
606 for must_preallocate case.
608 * expr.c (push_block): Remove shadow `temp' in inner scope.
610 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
612 * toplev.c (rest_of_compilation): Call
613 note_deferral_of_defined_inline_function even if the function
616 2000-04-28 Scott Bambrough <scottb@netwinder.org>
618 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
620 2000-04-28 Richard Henderson <rth@cygnus.com>
622 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
624 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
626 * timevar.c (init_timevar): DeANSIfy function definition.
628 2000-04-27 Alex Samuel <samuel@codesourcery.com>
630 * Makefile.in (timevar.o): Depend on flags.h.
631 * timevar.c (unused_stack_instances): New variable.
632 (timevar_push): Take a timevar_stack_def from
633 unused_stack_instances if available.
634 (timevar_pop): Push the popped timevar_stack_def onto
635 unused_stack_instances.
636 (TIMEVAR_ENABLE): New macro.
637 (timevar_def): Make standalone a 1-bit field. Add field used.
638 (get_time): Rename parameter to now. Return after clearing it if
640 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
641 (timevar_pop): Likewise.
642 (timevar_stop): Likewise.
643 (timevar_push): Likewise. Mark the timing variable as used.
644 (timevar_start): Likewise.
645 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
646 timevars that were never used.
648 2000-04-27 Mark Mitchell <mark@codesourcery.com>
650 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
651 always TREE_READONLY.
653 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
655 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
656 for call instruction with mode QImode.
658 2000-04-27 Alex Samuel <samuel@codesourcery.com>
660 * Makefile.in (OBJS): Add timevar.o.
661 (toplev.o): Depend on timevar.h.
662 (ggc-simple.o): Likewise.
663 (ggc-page.o): Likewise.
664 (timevar.o): New rule.
665 (timevar.h): New rule.
667 * timevar.h: New file.
668 * timevar.c: Likewise.
669 * timevar.def: Likewise.
671 * toplev.h (gc_time, parse_time, varconst_time): Remove.
672 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
674 (TIMEVAR): Remove macro.
675 (gc_time, parse_time, varconst_time, integration_time, jump_time,
676 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
677 flow_time, combine_time, regmove_time, sched_time,
678 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
679 sched2_time, dbr_sched_time, reorder_blocks_time,
680 rename_registers_time, shorten_branch_time, stack_reg_time,
681 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
683 (compile_file): Don't initialize time variables. Call
684 init_timevar and start TV_TOTAL timer. Call timevar_print instead
685 of many calls to print_time.
686 (rest_of_compilation): Add timing for reload_cse_regs.
687 (get_run_time): Removed to timevar.c.
688 (print_time): Likewise.
689 (get_run_time): Implement using TV_TOTAL time variable.
690 (print_time): Get total run time from get_run_time.
691 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
692 computing elapsed time explicitly.
693 * ggc-simple.c (ggc_collect): Likewise.
694 (gc_time): Remove declaration.
696 2000-04-27 Mark Mitchell <mark@codesourcery.com>
698 * calls.c (combine_pending_stack_adjustment_and_call): New function.
699 (expand_call): Use it.
701 2000-04-27 Jan Hubicka <jh@suse.cz>
703 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
706 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
708 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
711 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
713 * function.c (epilogue_done): Pass whole insn to record_insns.
715 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
717 * cse.c (CSE_ADDRESS_COST): Remove.
718 (find_best_addr): Add new parameter "MODE", use address_cost instead
721 (fold_rtx): Update call of find_best_addr.
722 * rtl.h (address_cost): Declare.
723 * loop.c (general_induction_var): Add new parameter "MODE", use
724 address_cost instead of ADDRESS_COST
725 (init_loop): Use address_cost instead of ADDRESS_COST.
726 (check_insn_for_givs): Update call of general_induction_var.
727 (find_mem_givs): Likewise.
728 (consec_sets_giv): Likewise.
729 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
730 * i386.c (ix86_address_cost): New.
731 * i386-protos.h (ix86_address_cost): Declare.
733 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
735 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
738 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
740 * expr.c (store_expr): Use clear_storage instead of direct memset
743 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
745 * config/mn10300/mn10300.c (mn10300_address_cost): Test
746 ASHIFT, AND and LABEL_REF.
748 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
750 * invoke.texi (-foptimize-sibling-calls): Fix.
752 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
754 * loop.c (load_mems) Don't use hard registers for the hoisting.
756 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
757 calculation; rename const_equiv array in the preconditioning code
758 from loop_unroll to loop_unroll_precondition
760 2000-04-27 Richard Henderson <rth@cygnus.com>
762 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
764 (propagate_one_insn): Clear it. Don't update reg_live here.
765 (init_propagate_block_info): Update for pbi member changes.
766 (free_propagate_block_info): Likewise.
767 (mark_set_1): Know that zero_extract, sign_extract, and
768 strict_low_part don't kill their argument. Alter hard subregs.
769 Update new_set for non-CLOBBER sets. Update reg_live.
770 (find_auto_inc): Update reg_live, not new_dead.
771 (mark_used_reg): Update reg_live, not new_live. Examine new_set
772 to determine if the reg in question was set this insn. Only update
773 reg info with PROP_REG_INFO.
775 2000-04-26 Richard Henderson <rth@cygnus.com>
777 * flow.c (allocate_reg_life_data): Set max_regno here ...
778 (life_analysis): ... not here.
780 * flow.c (calculate_global_regs_live): Force stack pointer
783 2000-04-26 Richard Henderson <rth@cygnus.com>
785 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
786 commit change group changes.
787 (invert_exp_1): Similarly.
788 (redirect_exp, invert_exp): Use them.
789 (redirect_jump_1): New.
790 (invert_jump_1): New.
791 (jump_optimize_1): Remove code subsumed by condexec.c.
792 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
794 2000-04-26 Richard Henderson <rth@cygnus.com>
796 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
798 * genconfig.c (main): Set all HAVE_foo to 1.
800 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
802 2000-04-26 Alex Samuel <samuel@codesourcery.com>
804 * invoke.texi: Document -fssa flag.
806 2000-04-26 Richard Henderson <rth@cygnus.com>
808 * flow.c (count_reg_sets_1): Remove.
809 (count_reg_sets, count_reg_references): Remove.
810 (recompute_reg_usage): Implement with update_life_info.
811 Reallocate life data.
813 2000-04-26 Richard Henderson <rth@cygnus.com>
815 * flow.c (update_life_info): Consider blocks null to mean the
817 (calculate_global_regs_live): Likewise.
818 (life_analysis): Do that instead of collecting all_blocks.
820 2000-04-26 Richard Henderson <rth@cygnus.com>
822 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
823 a still-valid conditional jump.
825 2000-04-26 Richard Henderson <rth@cygnus.com>
827 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
829 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
830 * flow.c (calculate_loop_depth): Remove.
831 * output.h (calculate_loop_depth): Don't declare.
832 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
833 inline; run estimate_probability at the same time.
835 2000-04-26 Neil Booth <NeilB@earthling.net>
837 * cpplib.h: "~=" is not a single pp-token.
838 * cpplex.c: Correct commentary.
840 2000-04-26 Richard Henderson <rth@cygnus.com>
842 * flow.c (mark_set_1): New arguments code and flags; update all
843 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
844 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
845 loop_depth when optimizing for size. Do new_dead update after
846 emitting REG_UNUSED notes. Merge mark_set_reg code.
847 (mark_set_reg): Remove.
848 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
849 arrange to not emit REG_UNUSED notes.
851 2000-04-26 Richard Henderson <rth@cygnus.com>
853 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
854 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
856 2000-04-26 Richard Henderson <rth@cygnus.com>
858 * flow.c (propagate_one_insn): Break out from propagate_block.
859 (init_propagate_block_info): Likewise.
860 (free_propagate_block_info): Likewise.
861 (propagate_block): Use them. Export.
862 * basic-block.h: Declare them all.
864 2000-04-26 Richard Henderson <rth@cygnus.com>
866 * basic-block.h (life_analysis): Declare here ...
867 * output.h: ... not here.
868 * flow.c (life_analysis): Remove nregs parameter; replace
869 remove_dead_code with flags. Remove ssa dead code check.
870 Only init alias analysis if we'll use it.
871 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
872 * ssa.c (convert_to_ssa): Likewise.
873 (convert_from_ssa): Likewise.
874 * toplev.c (rest_of_compilation): Likewise.
876 2000-04-26 Richard Henderson <rth@cygnus.com>
878 * flow.c (flow_delete_block): Rename from delete_block. Export.
879 * basic-block.h (flow_delete_block): Declare.
881 2000-04-26 David S. Miller <davem@redhat.com>
883 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
884 taking a PATTERN of it.
886 2000-04-26 <NeilB@earthling.net>
888 * cpplex.c (spell_other, spell_char): Remove.
890 (token_spelling, trigraph_map): Use unsigned chars.
891 (_cpp_lex_line): Tidy up the switch statement.
892 * cpplib.h: Implement spell_char with spell_string.
895 2000-04-26 <RodneyBrown@pmsc.com>
897 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
898 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
900 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
902 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
903 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
904 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
905 dwarf2out_return_save, dwarf2out_return_reg,
906 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
907 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
908 gen_compile_unit_die, dwarf2out_init): Constify a char*.
910 * dwarf2out.h (dwarf2out_init): Likewise.
912 * dwarfout.c (filename_entry, primary_filename, last_filename,
913 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
915 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
916 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
917 dwarf2out_return_reg): Likewise.
919 2000-04-26 Andreas Jaeger <aj@suse.de>
921 * extend.texi (Function Attributes): Fix description of pure
924 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
926 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
927 before calling rest_of_compilation.
929 2000-04-26 Andreas Jaeger <aj@suse.de>
931 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
934 2000-04-25 Richard Henderson <rth@cygnus.com>
936 * cse.c (cse_insn): Emit barrier after unconditional jump.
938 * calls.c (expand_call): Disable tail call generation once
939 rtx_equal_function_value_matters is false.
941 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
944 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
946 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
948 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
950 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
951 is the primary DIE for a member function.
952 (gen_decl_die): Call set_decl_origin_self here.
953 * dwarfout.c (output_decl): And here.
954 * integrate.c (output_inline_function): Not here.
955 Don't clear DECL_INLINE until after calling rest_of_compilation.
956 (set_decl_origin_self): No longer static.
957 * tree.h: Add prototype.
958 * toplev.c (note_deferral_of_defined_inline_function): Only write
959 out abstract instance for actual inlines.
961 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
963 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
964 EXTENDED_REGS only if TARGET_AM33.
965 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
966 SP_REGS to register allocation and reloading unless absolutely
968 (movsi3): Remove special-case of adding non-constants to SP.
970 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
972 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
973 INCLUDES to search and does not provide any of its own. Also it
974 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
975 parameters. Also it does not call AC_DEFINE.
976 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
977 AC_DEFINE and provides for automatic entries for autoheader.
978 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
980 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
981 so we can pass -I flags and include gansidecl.h/system.h in this
984 * acconfig.h: Delete all NEED_DECLARATION_* entries.
986 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
988 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
989 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
990 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
992 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
993 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
994 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
995 for these macros. Clean up spacing and linewraps.
997 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
999 * calls.c (expand_call): Use get_callee_fndecl.
1001 * print-tree.c (print_node): Print the chain of an _EXPR.
1003 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
1004 Jim Wilson <wilson@cygnus.com>
1005 Andrew Haley <aph@cygnus.com>
1007 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
1008 and gp save/restore problems.
1009 * config/ia64/crtend.asm: Add IA-64 unwind support.
1010 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
1011 in fr_pad_size calculation.
1012 (save_restore_insns): Move PR save area. Correct uses of
1013 RTX_FRAME_RELATED_P.
1014 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
1015 (ia64_expand_epilogue): Add eh_epilogue support.
1016 (ia64_function_prologue): Emit .prologue directive.
1017 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
1018 (ia64_override_options): Set init_machine_status and
1019 mark_machine_status.
1020 (rtx_needs_barrier): Handle bsp reads and writes.
1021 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
1022 New static variables.
1023 (process_set, process_for_unwind_directive): New functions.
1024 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
1025 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
1026 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
1028 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
1029 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
1030 (struct machine_function): Define.
1031 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
1033 2000-04-25 Bruce Korb <bkorb@gnu.org>
1035 * fixinc/Makefile.in: make the removal of old programs more
1037 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
1038 install-bin and install-sh
1040 2000-04-25 Nick Clifton <nickc@cygnus.com>
1042 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
1043 defined, define to return zero.
1044 (function_cannot_inline_p): If a function has any target
1045 specific attributes, then use the macro
1046 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
1047 whether it can be inlined. If it cannot, issue a suitable
1050 * tm.texi: Add a new node 'Inlining' to document the new macro
1051 FUNCTION_ATTRIBUTE_INLINABLE_P.
1053 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
1055 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
1058 2000-04-25 Neil Booth <NeilB@earthling.net>
1060 Restore previous patch, plus the following fixes:
1062 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
1063 flags, not CPP_OPEN_PAREN.
1064 * cpplex.c (expand_token_space, init_token_list,
1065 cpp_free_token_list): Put the dummy token at list->tokens[-1].
1066 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
1068 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1070 * config/i386/freebsd.h (INT_ASM_OP): Define.
1072 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
1074 * loop.c (strength_reduce): Fix typo in the last checkin.
1076 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1078 * stor-layout.c (finalize_record_size): Simplify to use existing
1080 (compute_record_mode): No longer static.
1081 * tree.h (compute_record_mode): New declaration.
1083 2000-04-25 Neil Booth <NeilB@earthling.net>
1085 * Revert my patch below until cause of build failures
1088 2000-04-25 Richard Henderson <rth@cygnus.com>
1090 * combine.c (combine_instructions): Add missing argument
1093 * toplev.c (rest_of_compilation): Delay sibcall optimization
1094 until after emit_eh_context.
1096 2000-04-24 Nick Clifton <nickc@redhat.com>
1098 * combine.c (combine_instructions): Do not try to combine a
1099 sequence of insns when the second insn has been replaced by a
1102 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
1104 * gcc.c (load_specs): New static function.
1105 (read_specs): Use it.
1107 * gcc.c (lookup_compiler): Make multiple passes for case
1108 insensitive filesystems.
1110 2000-04-24 Neil Booth <NeilB@earthling.net>
1112 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
1113 * cpphash.h (_cpp_check_directive): new.
1114 * cpplex.c (handle_newline, cpp_free_token_list,
1115 init_trigraph_map, trigraph_ok, trigraph_replace,
1116 backslash_start, skip_block_comment, skip_line_comment,
1117 skip_whitespace, parse_name, parse_number, parse_string,
1118 copy_comment, _cpp_lex_line, spell_char, spell_string,
1119 spell_comment, spell_name, spell_other, _cpp_lex_file,
1120 _cpp_output_list): new.
1121 (expand_name_space): take length argument.
1122 (init_token_list): add comment list initialisation.
1123 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
1124 instead of HSPACE_BEFORE.
1126 * cpplib.c (_cpp_check_directive): new
1127 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
1128 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
1129 (HSPACE_BEFORE): delete.
1130 (TTYPE_TABLE): rearrange.
1131 (struct cpp_toklist): update.
1133 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1135 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
1136 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
1137 argument form of AC_DEFINE.
1139 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
1140 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
1141 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
1142 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
1143 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
1145 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
1147 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1149 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
1150 deduced.h): Use -isystem, not -I, for including system headers.
1152 2000-04-24 Nick Clifton <nickc@cygnus.com>
1154 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
1155 the source register is the frame pointer or arg pointer.
1156 (addsi3_small_int): Disallow if source register is the frame
1157 pointer or arg pointer.
1159 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1161 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
1162 call to AC_MSG_RESULT.
1164 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1166 * invoke.texi: Correct grammatical errors, document
1167 -fno-gnu-keywords as identical to -fno-asm for C++.
1169 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1171 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
1172 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
1173 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
1174 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
1175 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
1177 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
1178 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
1179 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
1180 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
1183 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
1185 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
1186 (pop_alignment): Likewise.
1187 (handle_pragma_token): Likewise.
1189 2000-04-24 Robert Lipe <robertlipe@usa.net>
1191 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
1193 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
1195 * combine.c (try_combine): Update reg_nonzero_bits of
1196 newi2pat before newpat.
1198 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
1200 * loop.c (strength_reduce): Simplify test to INSN_P.
1201 (record_giv): Attempt to simplify the add value, use CONSTANT_P
1202 expressions instead of CONST_INT.
1203 (express_from_1): Likewise.
1205 2000-04-24 Mark Mitchell <mark@codesourcery.com>
1207 * regs.h (reg_n_max): Don't declare.
1208 * flow.c (reg_n_max): Don't define.
1209 * regclass.c (renumber): Don't initialize to zero.
1210 (regno_allocated): Likewise.
1211 (reg_n_max): Define.
1212 (allocate_reg_info): Don't initialize unnecessarily.
1214 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
1216 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
1217 and blockage_p in the newly allocated attribute.
1219 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
1221 * config/mn10300/mn10300.md (addsi): `inc4' on address
1222 registers does not modify cc, but `inc' on an extended
1225 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
1227 * reload.c (find_equiv_reg): Checks all valueno regs
1228 as a reload_reg_p regs.
1230 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
1232 * cpphash.c (collect_objlike_expansion): Add sanity check.
1233 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
1234 the buffer is the empty string, return. Mark __DATE__ and
1235 __TIME__ as XCONST nodes, not MCONST.
1236 (_cpp_macroexpand): Avoid pushing an empty buffer.
1237 (funlike_macroexpand): Don't pop token_buffer here.
1239 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
1241 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
1242 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
1243 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
1244 (REGNO_OK_FOR_BASE_P): Define in terms of them.
1245 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
1246 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
1247 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
1249 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1251 * loop.c (simplify_giv_expr): Be more agressive on simplifying
1254 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
1256 * cpphash.h (struct definition): Move file, line, col members...
1257 (struct hashnode): ... here. Also add 'disabled' flag.
1258 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
1259 T_IDENTITY. Remove T_DISABLED.
1262 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
1263 (collect_expansion): Split into collect_objlike_expansion and
1264 collect_funlike_expansion.
1265 (_cpp_macroexpand): Split out scan_arguments, stringify, and
1266 funlike_macroexpand.
1267 (_cpp_compare_defs): Rename compare_defs, make static.
1268 (_cpp_make_hashnode): Initialize hp->disabled.
1269 (macro_cleanup): Adjust for new token types. Clear
1271 (_cpp_create_definition): Move code here to determine what
1272 sort of macro it is, and code to check for redefinitions, from
1273 do_define. Implement a few simple cases without creating a
1275 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
1276 Handle the simple cases.
1277 (push_macro_expansion): Set buf->has_escapes and hp->disabled
1280 * cppinit.c (builtin_array): Change MCONST to XCONST
1282 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
1283 fix check for disabled and function-like macros.
1284 * cpplib.c (do_define): Move most logic to
1285 _cpp_create_definition.
1286 (do_undef): Handle new special token types.
1288 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
1290 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
1291 of CONSTANT_P for mult_val; always use validate_change to update insn.
1293 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
1295 * cpphash.c (trad_stringify, add_pat): New functions.
1296 (collect_expansion): Restore support for -traditional syntax.
1297 Use trad_stringify and add_pat.
1298 (_cpp_macroexpand): Restore support for -traditional semantics.
1299 * cpplex.c (_cpp_scan_line): Don't change space_before if we
1300 get a COMMENT token.
1301 (_cpp_lex_token): Provide COMMENT tokens to caller if
1302 traditional and parsing_define_directive.
1303 (skip_comment): Warn about // comments if -Wtraditional.
1304 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
1306 (do_undef): Don't warn about undefining EMPTY nodes.
1308 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
1310 * loop.c (strength_reduce): Fix biv removal code.
1312 2000-04-22 Richard Henderson <rth@cygnus.com>
1314 * predict.c (estimate_probability): Examine both sides of
1315 a branch for no exits. Use 90% not 50% for predict taken.
1316 Reorg for one copy of note generation code.
1318 2000-04-22 Richard Henderson <rth@cygnus.com>
1320 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
1322 2000-04-22 Richard Henderson <rth@cygnus.com>
1324 * diagnostic.c (init_output_buffer): Don't initialize format_args.
1325 (output_clear): Likewise.
1326 (output_printf): Use va_copy.
1327 (vline_wrapper_message_with_location): Likewise.
1328 (v_message_with_decl): Likewise.
1329 (line_wrapper_printf): VA_START infor buffer.format_args directly.
1330 * system.h (va_copy): Provide default implementation.
1332 2000-04-22 Richard Henderson <rth@cygnus.com>
1334 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
1335 the collected condition is not a constant.
1337 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
1339 * diagnostic.h: New file.
1341 * Makefile.in (diagnostic.o): Depends on diagnostic.h
1343 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
1344 various function prototypes.
1345 (diagnostic.h): #include.
1346 (struct output_buffer): Move into diagnostic.h.
1347 (get_output_prefix): Rename to output_get_prefix. Export.
1348 (init_output_buffer): Export. Break out. Ajust intialization.
1349 (output_space_left, output_append): Export.
1350 (output_newline): Rename to output_add_newline. Export.
1351 (output_clear): Nullify additional output_buffer fields.
1352 (output_puts): Rename to output_add_string. Export.
1353 (dump_output): Rename to output_flush_on. Export.
1354 (build_location_prefix): Constify return-type.
1355 (emit_output_prefix): Rename to output_emit_prefix. Export.
1356 (set_real_maximum_length): New function.
1357 (output_set_maximum_length): Ditto
1358 (output_clear): Ditto.
1359 (output_add_character): Ditto.
1360 (output_add_integer): Ditto.
1361 (output_add_space): Ditto.
1362 (output_format): Ditto.
1363 (output_printf): Adjust buffer initialization.
1364 (vline_wrapper_message_with_location): Ditto.
1365 (v_message_with_decl): Ditto. Adjust call to output_puts
1366 and get_output_prefix.
1367 (default_print_error_function): Adjust buffer intialization.
1369 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1371 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
1374 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
1376 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
1379 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
1381 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
1382 accurate data about SP moves.
1384 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
1386 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
1387 aliases to AM33 registers.
1389 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
1391 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
1392 to all EXTENDED bitmaps.
1394 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
1396 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
1397 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
1398 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
1400 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
1402 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
1403 the operand is not constant.
1405 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
1407 * reload.c (find_equiv_reg): Checks all valueno and regno regs
1408 as a call-clobbered regs.
1410 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1412 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
1414 * rtl.def: Update comment.
1415 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
1416 * integrate.c (expand_inline_function): Likewise.
1417 * profile.c (branch_prob): Likewise.
1418 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
1419 * print-rtl.c (print_rtx): Likewise.
1420 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
1421 (reemit_notes): Likewise; also use enum insn_note.
1423 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
1424 (place_field): Properly compute know and actual alignment.
1426 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
1429 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
1432 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
1434 * cpphash.c (struct arg, struct arglist): Const-ify strings.
1435 (warn_trad_stringify, duplicate_arg_p): New helper functions.
1436 (collect_expansion): Rewrite to scan over a token list.
1437 Remove -traditional support.
1438 (collect_formal_parameters): Rename to collect_params; rewrite
1439 to scan over a token list.
1440 (_cpp_create_definition): Adjust to scan a token list.
1441 (_cpp_macroexpand): Remove -traditional support.
1442 (_cpp_compare_defs): Whitespace is now canonicalized.
1443 (comp_def_part): Delete function.
1445 * cpphash.h: Update prototypes.
1446 * cpplex.c (init_token_list): Don't set lineno if there is no
1448 (pedantic_whitespace): New function.
1449 (_cpp_scan_line): Mark tokens that had hspace before. Don't
1450 consume a newline. Use pedantic_whitespace.
1451 (_cpp_lex_token): Remove support for -traditional macros.
1452 (_cpp_get_define_token): Delete.
1453 (_cpp_get_directive_token): Do the real work here. Use
1454 pedantic_whitespace.
1455 (_cpp_init_input_buffer): Initialize pfile->directbuf.
1457 * cpplib.c (get_macro_name): Delete.
1458 (do_define): Read the entire line into pfile->directbuf, then
1459 feed the token list to _cpp_create_definition.
1460 * cpplib.h (HSPACE_BEFORE): new define.
1461 (struct cpp_reader): Add a toklist member, "directbuf".
1463 * predict.c (estimate_probability): New heuristic: if a jump
1464 branches around a block with no successors, predict it taken.
1465 Disentangle control flow.
1467 2000-04-20 Richard Henderson <rth@cygnus.com>
1469 * loop.c (emit_iv_add_mult): Revert last change.
1471 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1473 * cpplib.h (enum cpp_ttype): Add token types for all
1474 punctuators. Distinguish pp-numbers from valid C numbers.
1475 Give some tokens better names. Initialize from macro.
1476 (struct cpp_name, cpp_token, cpp_toklist): New data
1479 * cpplex.c (bump_column, expand_name_space,
1480 expand_token_space, init_token_list, cpp_output_list,
1481 _cpp_scan_line): New functions.
1482 (output_line_command): Add third argument, new line number.
1483 * cpphash.h: Update prototypes.
1484 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
1487 2000-04-20 Richard Henderson <rth@cygnus.com>
1489 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
1491 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1493 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
1496 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
1498 * loop.c (emit_iv_add_mult): Simplify it's input and emit
1499 REG_EQUAL note explaining the calculated value.
1501 * calls.c (expand_call): Avoid unnecesary precalculation
1502 and outgoing parameters space guarding for sibling calls.
1503 (store_one_arg): Likewise.
1505 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1507 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
1508 (rest_of_compilation): Write sibling dump file and account
1509 for time as jump time.
1510 * invoke.texi: Update documentation on dump flags.
1512 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
1514 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
1516 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
1518 * cpphash.c (special_symbol): Represent an empty macro with
1519 "\r \r " not just "\r ".
1520 (_cpp_macroexpand): Correct condition for the foo ( ) special
1522 (unsafe_chars): Handle EOF as second argument.
1523 (push_macro_expansion): Simplify test for removing escape at
1524 end. Do not trim both escapes if there is no text in between.
1526 2000-04-19 Jim Blandy <jimb@redhat.com>
1528 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
1529 of PTR_SIZE, when appropriate.
1531 2000-04-19 Mark Mitchell <mark@codesourcery.com>
1533 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
1534 (USE_ENUM_BITFIELDS): Fix typo.
1536 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1538 * stor-layout.c (place_field): Set rli->offset_align properly.
1540 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1542 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
1543 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
1544 PARM_BOUNDARY): Remove unnecessary casts.
1546 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
1548 * calls.c (precompute_arguments): Remove must_preallocate and
1550 (expand_call): Update call of precompute_arguments.
1552 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
1553 check_insn_for_givs): Break out from ...
1554 (strength_reduce) ... here; use for_every_insn_in_loop to call
1555 check_insn_for_givs.
1556 * loop.h (for_every_insn_in_loop): Declare.
1557 (loop_insn_callback): New type.
1559 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1561 * cpplib.c (do_pragma_poison): Strings in the token buffer are
1564 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
1566 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
1569 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1571 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
1573 * configure.in: Delete --disable-cpplib option and all
1574 references to cpp_main.
1575 * configure: Regenerate.
1576 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
1577 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
1578 cccp.o, cccp, or cppmain. Link cppmain.o straight to
1579 cpp$(exeext). Add --no-headers to makeinfo command line when
1580 generating INSTALL. Install and uninstall cpp.1 manpage, not
1582 * install.texi: Delete all references to cexp.y/cexp.c.
1583 Delete ancient instructions for compiling GCC on 3b1.
1584 * INSTALL: Regenerate.
1586 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
1587 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
1588 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
1590 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
1591 which is no longer tested anywhere.
1593 * cppinit.c (handle_option): Don't run error message through
1596 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1598 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
1599 * cpperror.c (hashtab.h): Now include.
1600 * cppexp.c (hashtab.h): Likewise.
1601 * cpplex.c (hashtab.h): Likewise.
1602 * cppfiles.c (hashtab.h): Likewise.
1603 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
1604 to htab_find_slot_with_hash.
1605 * cpphash.c (hashtab.h): Now include.
1606 (_cpp_lookup_slot): INSERT is now enum insert_option.
1607 * cpphash.h (_cpp_lookup_slot): Likewise.
1608 * cppinit.c (hashtab.h): Include earlier.
1609 (initialize_builtins): Pass enum to htab_find_slot.
1610 * cpplib.c (hashtab.h): Now include.
1611 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
1612 (do_pragma_poison, do_assert): Likewise.
1613 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
1614 htab_find_slot_with_hash.
1615 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
1616 * tree.c (type_hash_add): Likewise.
1617 (build1): Minor cleanup.
1619 * ggc-common.c: Add missing blanks.
1620 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
1621 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
1623 * stmt.c (mark_case_node): New function.
1624 (mark_case_nesting): Call it.
1626 * expmed.c (emit_store_flag): If comparing two-word integer
1627 with zero, can optimize NE, EQ, GE, and LT.
1629 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
1630 * conflict.c: Minor cleanups.
1631 * optabs.c: Add blank line
1632 * simplify-rtx.c: Minor cleanups.
1634 2000-04-18 Stan Cox <scox@cygnus.com>
1636 * gengenrtl.c (genlegend): Fix misspelling.
1638 2000-04-18 Robert Lipe <robertlipe@usa.net>
1640 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
1641 bitfields of the host compiler are not signed quantities.
1642 * config.in: Regenerate.
1643 * configure: Regenerate.
1644 * system.h (USE_ENUM_BITFIELDS): Added.
1645 (ENUM_BITFIELDS): Added.
1646 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
1647 (SHORT_ENUM_BUG): Deleted.
1648 * tree.h (tree_common): Members `code', `mode', `built_in_class',
1650 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
1651 (CODE_FIELD_BUG): Likewise.
1652 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
1654 * config/m68k/x-ccur (X_CFLAGS): Likewise.
1656 2000-04-18 Mark Mitchell <mark@codesourcery.com>
1658 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
1661 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1663 * cppexp.c (lex): Don't assume tokens are NUL terminated.
1664 * cpplib.c (do_include, do_import, do_include_next,
1665 read_line_number, detect_if_not_defined): Likewise.
1666 * cpphash.c (collect_expansion): Likewise.
1667 (special_symbol, _cpp_macroexpand): Check return from
1669 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
1670 macros. Delete all uses.
1672 * gcc.dg/cpp-mi.c: Add two more test cases.
1673 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
1675 2000-04-17 Richard Henderson <rth@cygnus.com>
1677 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
1678 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
1680 2000-04-17 Mark Mitchell <mark@codesourcery.com>
1682 * function.c (expand_function_start): Use hard_function_value to
1683 compute the RTL to use for DECL_RESULT.
1685 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
1687 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
1688 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1689 x86_memory_mismatch_stall): New global variables.
1690 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
1691 alloved; fix load penalties for Athlon.
1692 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1693 x86_memory_mismatch_stall): Declare.
1694 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
1695 TARGET_MEMORY_MISMATCH_STALL): New.
1696 * i386.md (athlon scheduling parameters): Fix latencies according to
1697 Athlon Optimization Manual.
1698 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
1700 (fsqrt instruction patterns): Set athlon_decode to direct.
1701 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
1702 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
1703 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
1704 and TARGET_PARTIAL_REGISTER_STALL machines.
1705 (pushdf_nointeger): New pattern.
1706 (pushdf_integer): Rename from pushdf.
1707 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
1708 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
1710 2000-04-17 Richard Henderson <rth@cygnus.com>
1712 * loop.c (canonicalize_condition): Add WANT_REG argument.
1713 Stop the search if we match it.
1714 * expr.h (canonicalize_condition): Update decl.
1715 * predict.c (expected_value_to_br_prob): Use it. Track last
1716 expected value note.
1717 (find_expected_value): Remove.
1719 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
1721 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1723 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
1724 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
1726 * configure.in: Call AC_FUNC_MMAP_FILE.
1727 * configure: Regenerate.
1728 * config.in: Regenerate.
1730 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
1731 * fixinc/fixincl.c: Likewise.
1733 2000-04-17 Richard Henderson <rth@cygnus.com>
1735 * builtins.c (expand_builtin_expect): New.
1736 (expand_builtin): Call it.
1737 * builtins.def (BUILT_IN_EXPECT): New.
1738 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
1739 * extend.texi: Document it.
1741 * predict.c (expected_value_to_br_prob): New.
1742 (find_expected_value): New.
1743 * basic-block.h (expected_value_to_br_prob): Declare.
1744 * toplev.c (rest_of_compilation): Invoke it.
1746 * rtl.h (NOTE_EXPECTED_VALUE): New.
1747 (NOTE_INSN_EXPECTED_VALUE): New.
1748 * rtl.c (note_insn_name): Update.
1749 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
1750 cases; handle NOTE_INSN_EXPECTED_VALUE.
1752 2000-04-17 Jakub Jelinek <jakub@redhat.com>
1754 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
1755 leaf sibcall delay slot if flag_pic.
1756 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
1758 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1760 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
1762 * fixproto: If fix-header fails, exit with an error.
1764 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1766 * cse.c (struct check_depdendence_data): New.
1767 (check_dependence): New function.
1768 (invalidate): Use check_depdenence.
1770 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1772 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
1773 UNITS_PER_WORD is unsigned.
1775 * tree.h (struct tree_common): Remove misleading comment.
1777 2000-04-16 Dave Pitts <dpitts@cozx.com>
1779 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
1780 message in quotes. Otherwise, IBM's make program treats the '#' as the
1781 start of a comment and ignores the remainder of the line.
1783 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
1785 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
1786 * cexp.y (initialize_random_junk): Likewise.
1787 * cppfiles.c (find_include_file): Cast alloca return value.
1788 * cppinit.c (initialize_standard_includes): Likewise.
1789 * cpplib.c (cpp_define, cpp_undef): Likewise.
1790 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
1791 * final.c (output_asm_insn): Allow for holes in EBCDIC.
1792 * fold-const.c (CHARMASK): New.
1793 (real_hex_to_f): Use it.
1794 * real.c (CHARMASK): New.
1795 (etoasc, asctoeg): Use it.
1796 (asctoeg): EBCDIC lower case characters preceed upper case.
1798 * i370.c (mvs_add_label): Change spacing for coding conventions.
1799 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
1800 outputing case vectors.
1801 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
1802 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
1803 since vector in in the data CSECT.
1804 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
1805 * i370.md (Many patterns): Put the length in the XL directives.
1806 (movdi): Put back STM and MVC in definition.
1807 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
1808 pattern using the TCA.
1809 * oe.h (CPP_SPEC): Added to allow trigraphs.
1810 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
1811 not support the "long long" type.
1813 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1815 * config/mips/mips-protos.h (mips_legitimate_address_p): New
1817 (mips_reg_mode_ok_for_base_p): Likewise.
1818 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
1819 (REG_OK_FOR_INDEX_P): Define unconditionally.
1820 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
1821 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
1822 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
1823 that GET_MODE_SIZE is unsigned.
1824 (mips_reg_mode_ok_for_base_p): Define.
1825 (mips_legitimate_address_p): Likewise. Adjust now
1826 that GET_MODE_SIZE is unsigned.
1827 (block_move_loop): Make the number of bytes unsigned.
1828 (expand_block_move): Likewise.
1829 (function_arg): Make the loop counter unsigned to match the
1832 2000-04-16 Richard Henderson <rth@cygnus.com>
1834 * rtl.h (enum insn_note): New enumeration. Subsume
1835 NOTE_INSN_DELETED and friends.
1836 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
1837 * rtl.c (note_insn_name): Tweak string order.
1839 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
1841 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
1844 * cpplex.c (output_line_command): Remove debugging prints.
1845 (cpp_output_tokens): Don't write out a zero-length buffer or
1846 try to see if it has a newline in it.
1847 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
1848 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
1849 the end of the loop. Use memmove. Don't read past the end of
1850 the buffer. Remove trailing newlines from error messages.
1852 2004-04-16 Neil Booth <NeilB@earthling.net>
1854 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
1855 * cpplib.c: Add new syntax flags to directive table, and
1858 2000-04-15 Ulrich Drepper <drepper@redhat.com>
1860 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
1863 2000-04-15 David Edelsohn <edelsohn@gnu.org>
1865 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
1866 * haifa-sched.c: Update -fsched-verbose comments to use "=".
1868 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1870 * Makefile.in (ggc-page.o): Now includes toplev.h.
1871 * ggc-page.c (toplev.h): Now included.
1872 (gc_time): Remove declaration.
1873 (ggc_collect): TIME now long.
1874 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
1876 * toplev.h (gc_time, parse_time, gc_time): New declarations.
1878 * toplev.c: Make *_time variable long to reduce chance of overflow.
1879 (TIMEVAR): Likewise for `otime'.
1880 (print_time): Arg is now long; compute percentage in FP and round.
1881 * toplev.h (print_time): Arg is long.
1883 * tree.c: Minor whitespace changes.
1885 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
1886 * configure: Rebuilt.
1887 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
1888 (__fixunsxfDI): Renamed from __fixunsxfdi.
1889 (__fixunsdfDI): Renamed from __fixunsdfdi.
1890 (__fixunssfDI): Renamed from __fixunssfdi.
1891 (__floatdisf): Use proper type in REP_BIT macro.
1892 (__fixunsxfSI): Renamed from __fixunsxfsi.
1893 (__fixunsdfSI): Renamed from __fixunsdfsi.
1894 (__fixunssfSI): Renamed from __fixunssfsi.
1895 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
1896 Change location of macros and upper-case some names as above.
1897 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
1898 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
1900 * varasm.c (assemble_variable): Add cast to remove warning.
1901 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
1903 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
1904 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
1905 region number to -1.
1907 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
1909 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
1910 call unshare_all_rtl.
1912 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
1914 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
1916 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
1917 Use .s1 not .s0 for all FP instructions.
1919 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
1921 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
1923 (safe_fwrite, output_line_command): New static functions.
1924 (cpp_expand_to_buffer): Now private to cpplib.
1925 (cpp_scan_buffer): Take a printer.
1927 * cpphash.h: Update prototypes.
1928 * cpplib.h: Update prototypes.
1930 (cpp_buffer): Remove last_nominal_fname.
1931 (cpp_reader): Remove lineno.
1933 * cppmain.c: Use a cpp_printer.
1934 * fix-header.c: No need to inhibit line commands. Call
1935 cpp_start_read with no printer.
1937 * cpperror.c (cpp_notice_from_errno): Provide default name.
1938 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
1939 (find_include_file, cpp_read_file): Use make_IHASH.
1940 (file_cleanup): Set control_macro and clear
1941 input_stack_listing_current here.
1942 (_cpp_execute_include): Don't output entering-file marker.
1943 * cpphash.c (special_symbol): Look for the line number in the
1944 buffer, not the reader.
1945 (_cpp_macroexpand): No need to disable line commands.
1946 (_cpp_dump_definition): No need to generate line commands.
1947 (dump_hash_helper): Remove excess newline from output.
1948 * cppinit.c (dump_special_to_buffer): No need to generate line
1950 (cpp_printer_init): New.
1951 (cpp_start_read): Take a printer, and start it up if it's not
1952 NULL. No need to generate line commands.
1953 (cpp_finish): Expect no buffers stacked at all. Take a
1954 printer argument, and flush the output buffer if it's not
1956 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
1957 Don't put two hashes at the beginning of an assertion.
1958 (cpp_get_token): Don't increment pfile->lineno or emit line
1959 commands here. Return EOF if there's no buffer when we get
1961 * cpplib.c (do_define, skip_if_group):
1962 No need to disable line commands.
1963 (_cpp_output_line_command): Delete function.
1964 (do_line): Don't emit line commands here, but set things up so
1965 they will be emitted if necessary. Use _cpp_fake_ihash to
1966 make unique nominal_fnames if necessary.
1967 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
1968 with 0 for column, not -1.
1969 (_cpp_handle_eof): Don't set the control macro here. Don't
1970 clear input_stack_listing_current here. Don't emit line
1973 2000-04-14 Geoff Keating <geoffk@cygnus.com>
1975 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
1976 always, use the default SVR4 start address.
1978 * config/rs6000/linux.h (LINK_SPEC): Don't define.
1979 (LINK_SHLIB_SPEC): Define.
1980 (LINK_START_DEFAULT_SPEC): Define.
1981 (LINK_OS_DEFAULT_SPEC): Define.
1983 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
1985 * config/rs6000/eabi.asm (__eabi): Call __init rather than
1986 __do_global_ctors to handle constructors.
1987 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
1988 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
1989 (STARTFILE_MVME_SPEC): Likewise.
1990 (STARTFILE_SIM_SPEC): Likewise.
1991 (ENDFILE_ADS_SPEC): Use crtend.
1992 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
1993 (ENDFILE_MVME_SPEC): Likewise.
1994 (ENDFILE_SIM_SPEC): Likewise.
1995 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
1996 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
1997 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
1998 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
1999 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
2000 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
2001 (CRTSTUFF_T_CFLAGS_S): Define.
2002 * config/rs6000/eabi-ctors.c: Delete.
2004 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
2007 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
2011 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
2013 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
2014 plus mask size is smaller or equal to the mode size.
2016 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2018 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
2021 * expr.c (reload.h): Now included.
2022 (emit_block_move): Set volatile_ok when checking for movstr.
2023 (emit_move_1): Check for replacements in addresses in multi-word case.
2024 * Makefile.in (expr.o): Now includes reload.h.
2026 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
2027 Never have a LIBCALL end a basic block.
2028 (find_basic_blocks_1): Likewise.
2029 Reorganize CALL_INSN cases.
2031 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
2033 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
2035 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
2036 completers from mov.ret instruction.
2038 2000-04-14 Richard Henderson <rth@cygnus.com>
2040 * fold-const.c (extract_muldiv): Don't distribute and widen
2041 multiply across plus for non-sizetype unsigned types.
2043 2000-04-14 Richard Henderson <rth@cygnus.com>
2045 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
2046 If the original source is dead in the incr insn, it's dead now.
2048 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2050 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
2051 see if DECL_BIT_FIELD needs to still be set.
2053 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
2055 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
2056 print_int_cst_octal with something that's not an INTEGER_CST.
2058 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
2059 and not a SUBREG to a FLOAT rtl.
2061 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
2063 * emit-rtl.c (try_split): Avoid infinite loop if the split
2064 results in a sequence that contains the original insn.
2066 2000-04-13 Andreas Jaeger <aj@suse.de>
2068 * config/mips/mips.c (expand_block_move): Pass alignment
2069 argument to move_by_pieces in bits, not bytes.
2071 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
2072 __pic__ for little endian.
2074 2000-04-13 Andreas Jaeger <aj@suse.de>
2076 * config/i386/i386-protos.h: Add prototype for
2077 uno_comparison_operator.
2079 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
2081 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
2082 * calls.c (ECF_PURE): New flag.
2083 (emit_call_1): Handle ECF_PURE calls.
2084 (initialize_argument_information): Unset ECF_PURE flag too.
2085 (precompute_arguments): Precompute for ECF_PURE too.
2086 (expand_call): Handle ECF_PURE calls too.
2087 (emit_library_call_value_1): Rename no_queue argument to fn_type,
2088 accept value of 2 as pure function.
2089 (emit_library_call_value, emit_library_call): Rename no_queue argument
2091 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
2093 * tree.h (DECL_IS_PURE): New macro.
2094 (struct tree_decl): Add pure_flag.
2095 * c-common.c (enum attrs): Add attribute "pure".
2096 (init_attributes): Initialize attribute "pure"
2097 (decl_attributes): Handle attribute "pure".
2098 * extend.texi (Attribute "pure"): Document.
2099 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
2101 (flags_from_decl_or_type): Support attribute "pure".
2103 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
2105 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
2106 the token except for numbers and identifiers.
2108 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
2110 * i386.c (ix86_expand_binary_operator,
2111 ix86_expand_unary_operator): Check no_new_pseudos
2112 instead of reload_in_progress and reload_completed.
2113 (ix86_split_ashldi, ix86_split_ashrdi,
2114 ix86_split_lshrdi): Check no_new_pseudos instead
2115 of reload_completed.
2117 2000-04-12 Jeffrey A Law (law@cygnus.com)
2119 * function.c (purge_addressof): Unshare any shared rtl created by
2120 purge_addressof and its children.
2122 2000-04-12 Mark Mitchell <mark@codesourcery.com>
2124 * function.c (aggregate_value_p): VOID_TYPE nodes are never
2127 2000-04-05 Andreas Jaeger <aj@suse.de>
2129 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
2130 not compiling PIC code, add flags for mabi=64.
2131 (SUBTARGET_CPP_SIZE_SPEC): New.
2132 (SUBTARGET_CPP_SPEC): New.
2133 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
2134 for MIPS/Linux and lots of code needs these defines.
2136 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
2138 * reorg.c (fill_slots_from_thread): Check side_effects_p when
2139 trying the "opposite arithmetic" approach.
2141 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2143 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
2144 (struct sh_args): Add new field force_mem.
2145 (INIT_CUMULATIVE_ARGS): Initialize it.
2146 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
2148 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
2150 * calls.c (expand_call): Do not reverse args in "equal from" field.
2151 (emit_library_call_value_1): Emit_libcall_block for const and pure
2154 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2156 * reload1.c (reload_combine): Don't enable optimization for fixed
2157 registers when encountering a BARRIER.
2159 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
2161 * builtins.c (expand_builtin_memcmp): Do expansion even with
2162 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
2164 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
2165 stack is propertly aligned; add sanity checking for aligned
2167 (expand_library_call_value_1): Add sanity checking for aligned
2170 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
2172 * calls.c (emit_library_call_value_1): Change 3rd arg to
2173 locate_and_pad_parm to disregard the setting of partial.
2175 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2177 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
2179 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
2180 CALL_INSN from the normal case.
2182 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
2184 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
2185 New global variables.
2186 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
2188 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
2190 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
2191 TARGET_ADD_ESP_8): New macros.
2192 * i386.md: Add peep2s to convert esp adjustments to push and pop
2194 (pushsi_prologue, popsi_epilogue): New patterns.
2196 2000-04-12 Jakub Jelinek <jakub@redhat.com>
2198 * real.c (toe64): Remove stale #endif from the last change.
2200 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
2202 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
2203 * real.c (toe64): Revert previous change.
2205 2000-04-12 Jakub Jelinek <jakub@redhat.com>
2207 * objc/objc-act.c: Include ggc.h.
2208 (objc_tree_index, objc_global_trees): Convert most of the
2209 static tree variables into a static array with previous names
2211 (objc_ellipsis_node): New variable.
2212 (lang_init): Call objc_act_parse_init and c_parse_init.
2213 Create objc_ellipsis_node.
2214 (build_selector_translation_table): Use objc_ellipsis_node instead
2216 (hack_method_prototype): Likewise.
2217 (get_arg_type_list): Likewise.
2218 (start_method_def): Likewise.
2219 (continue_method_def): Likewise.
2220 (gen_method_decl): Likewise.
2221 (ggc_mark_imp_list): New function.
2222 (ggc_mark_hash_table): New function.
2223 (objc_act_parse_init): New function.
2224 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
2225 * c-parse.in (c_parse_init): For objc add roots of objc specific
2226 local tree variables.
2227 * objc/objc-parse.y: Rebuilt.
2228 * objc/objc-parse.c: Rebuilt.
2229 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
2231 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
2233 * cse.c (delete_trivially_dead_insns): Also delete insns
2234 that copy a register to itself where the destination is
2237 2000-04-11 Richard Henderson <rth@cygnus.com>
2239 * flow.c (struct propagate_block_info): Add new_dead, new_live.
2240 (propagate_block): Initialize them. Use them in parallel instead
2241 of one tmp variable, ie revert much of the 0408 and 0407 functional
2242 changes, but keep the structural changes.
2243 (mark_set_regs): Take new_dead from propagate_block_info instead.
2244 (mark_set_1, mark_set_reg): Likewise.
2245 (mark_used_regs): Likewise with new_live.
2246 (mark_used_reg): Likewise. Revert 0408 change.
2248 2000-04-11 Nick Clifton <nickc@cygnus.com>
2250 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
2252 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
2254 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2256 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
2257 const section to output a CONSTRUCTOR based on the same conditions
2260 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
2262 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
2263 * pa/pa-protos.h (output_call): Add additional argument indicating
2264 if the call is a sibling/tail call.
2265 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
2266 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
2267 (function_arg, function_arg_partial_nregs): Likewise
2268 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
2269 (emit_move_sequence): Zero extend certain constants as needed
2271 (compute_zdepdi_operands, output_64bit_and): New functions.
2272 (output_64bit_ior, function_arg): Likewise.
2273 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
2274 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
2275 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
2276 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
2277 (output_bvb): Likewise.
2278 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
2279 (output_call): New argument 'sibcall'. Generate sibcall sequences
2281 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
2282 (ouput_arg_descriptor): Do not emit argument descriptors for
2284 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
2286 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
2287 (FUNCTION_OK_FOR_SIBALL): Define.
2288 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
2289 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
2290 (CPP_SPEC): Use new spec infrastructure.
2291 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
2292 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
2293 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
2294 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
2295 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
2296 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
2297 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
2298 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
2299 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
2300 (FUNCTION_ARG); Call out to C code.
2301 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
2302 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
2303 (MIN_UNITS_PER_WORD): Likewise.
2304 * pa/pa.md (cmpdi): New expander.
2305 (scc patterns, movstrsi): Not available for TARGET_64BIT.
2306 (64bit conditional arithmetic): New patterns.
2307 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
2308 (movsicc): Not available if modes on all the operands to not match.
2309 (movdicc): New expander and associated patterns.
2310 (64bit branches): New patterns.
2311 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
2312 (pre_ldd, post_std): New patterns.
2313 (64bit addil, load low part): New patterns.
2314 (special movsf constant): Not available for TARGET_64BIT.
2315 (movsf, movdf expanders): Force constants into memory.
2316 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
2317 (64bit movdf/movdi patterns): New patterns.
2318 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
2320 (extendqidi2, extendhidi2, extendsidi2): Similarly.
2321 (adddi3 expander): Allow "arith_operand" for second input.
2322 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
2323 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
2324 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
2325 (muldi3): New expander for TARGET_64BIT.
2326 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
2328 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
2329 patterns for TARGET_64BIT.
2330 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
2331 patterns for TARGET_64BIT.
2332 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
2333 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
2334 (sibcall_epilogue): New expander.
2335 (casesi): Tweak for TARGET_64BIT.
2336 (call expanders): Set & use the outgoing argument pointer. Use the
2337 64bit call patterns as needed. Add additional arg to output_call.
2338 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
2339 (sibcall, sibcall_internal_symref): New expanders.
2340 (sibcall_value, sibcall_value_internal_symref
2341 (interspace_jump): Turn into an expander + matching patterns.
2342 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
2343 * pa/pa64-regs.h: Eliminate trigraph sequences.
2344 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
2346 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
2348 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
2349 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
2350 cpp_token with cpp_ttype everywhere.
2351 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
2352 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
2353 CPP_BUF_COL. Line and column numbers are unsigned int, not
2355 * cpplex.c (cpp_buf_line_and_col): Delete.
2356 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
2357 'long lineno' to 'unsigned int lineno'.
2358 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
2360 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2362 * extend.texi: ISO C99 is not a draft anymore.
2363 * invoke.texi: ISO C++ is not a draft anymore.
2364 * cpp.texi: __cplusplus is required by the ISO standard.
2366 * extend.texi (-fthis-is-variable): Undocument.
2367 * flags.h (warn_template_debugging): Remove declaration.
2368 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
2369 -Wenum-clash, -Wtemplate-debugging): Undocument.
2371 2000-04-10 Nick Clifton <nickc@cygnus.com>
2373 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
2375 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
2377 (ARM_SIGN_EXTEND): Use HOST_UINT.
2378 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
2379 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
2380 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
2381 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
2383 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
2384 (arm_gen_constant): Use HOST_UINT.
2385 (arm_canonicalize_constant): Use HOST_UINT.
2386 (arm_reload_in_hi): Use HOST_UINT.
2387 (arm_reload_out_hi): Use HOST_UINT.
2388 (output_multi_immediate): Use HOST_UINT.
2389 (int_log2): Use HOST_UINT.
2390 (arm_poke_function_name): Use HOST_UINT.
2391 (arm_output_epilogue): Use arm_volatile_func().
2392 (output_thumb_prologue): Use arm_strip_name_encoding().
2394 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2396 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
2397 of sequence point problems.
2399 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
2401 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
2403 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
2405 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2407 * sbitmap.h: Whitespace changes and use upper-case macro args.
2408 (struct simple_bitmap_def): All sizes now unsigned.
2409 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
2410 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
2411 (sbitmap_vector_alloc): Parms and local vars now unsigned.
2412 (sbitmap_zero): Cast bzero arg to PTR.
2413 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
2414 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
2415 loop to make structure clearer.
2416 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
2417 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
2418 (sbitmap_a_and_b_or_c): Likewise.
2419 (sbitmap_intersection_of_succs): Minor cleanups.
2420 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
2421 (sbitmap_union_of_preds): Likewise.
2422 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
2423 (debug_sbitmap): New function.
2425 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
2426 * c-typeck.c (convert_for_assignment): Likewise.
2428 * expmed.c (init_expmed): Don't free objects we make.
2429 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
2431 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
2432 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
2434 * gcse.c (expr_hash_table_size): Now unsigned.
2435 (compute_ae_gen): Local variable `i' now unsigned.
2436 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
2437 (compute_transout, hoist_code): Likewise.
2438 (compute_local_properties): Likewise, also hash_table_size.
2439 (alloc_expr_hash_table): N_INSNS now unsigned.
2440 (delete_null_pointer_checks): Mark arg F as unused.
2442 * regrename.c: Minor cleanups, including chang some variables
2445 2000-04-10 Neil Booth <NeilB@earthling.net>
2447 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
2449 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
2451 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2453 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
2454 __classof__, and __headof__ from the list of gnu keywords.
2455 (-ansi): Remove -foperator-names from list of implied options.
2456 Do not call it ANSI C++.
2457 (-foperator-names): Document as -fno-operator-names.
2459 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
2461 * cpphash.c (timestamp): Delete.
2462 (del_HASHNODE): If type is T_MCONST, free value.cpval.
2463 (special_symbol): Remove unnecessary braces. Remove
2464 T_VERSION. Treat T_STDC like T_CONST unless
2465 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
2466 when one is encountered, then convert them into T_MCONST
2468 * cppinit.c (builtin_array): version_string is T_MCONST.
2469 __STDC__ has a "1" in its cpval. Don't have a terminator
2470 entry. Clean up which entries are dumped.
2471 (initialize_builtins): Only __STDC__ gets the special
2472 -traditional treatment. Count the length of builtin_array.
2473 Render version_string here.
2474 * cpphash.h: Remove T_VERSION. Add T_MCONST.
2475 * cpplib.h (struct cpp_reader): Remove timebuf.
2477 2000-04-09 Richard Henderson <rth@cygnus.com>
2479 * genrecog.c (pred): Update comparison_operator for the unordered
2482 * config/i386/i386.c (no_comparison_operator): Disallow unordered
2484 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
2485 (uno_comparison_operator): New.
2486 (put_condition_code): Handle UNORDERED/ORDERED.
2487 (unsigned_comparison): Likewise.
2488 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
2489 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
2490 (ix86_expand_fp_compare): Use them. Take scratch as argument,
2491 update all callers. Handle all 8 unordered operators.
2492 (ix86_expand_setcc): Lose the unordered argument, update all callers.
2493 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
2494 * config/i386/i386.h (PREDICATE_CODES): Update.
2495 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
2496 (ix86_expand_branch, ix86_expand_setcc): Update.
2497 * config/i386/i386.md (sunordered, sordered): New.
2498 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
2499 (bunordered, bordered): New.
2500 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
2501 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
2502 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
2504 2000-04-09 Philip Blundell <philb@gnu.org>
2506 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
2508 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
2510 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
2511 fix_truncxfhi2): New patterns.
2512 * i386.c (output_fix_trunc): Handle converting to HImode.
2514 2000-04-08 Alex Samuel <samuel@codesourcery.com>
2516 * ssa.c (convert_to_ssa): Eliminate dead code when calling
2518 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
2519 (for_each_successor_phi): Change parameter to basic_block.
2520 (coalesce_regs_in_successor_phi_nodes): Likewise.
2521 (coalesce_regs_in_copies): Likewise.
2522 (compute_coalesced_reg_partition): Use basic_block instead of index.
2523 * rtl.h (convert_to_ssa): Delete.
2524 (convert_from_ssa): Likewise.
2525 (successor_phi_fn): Likewise.
2526 (for_each_successor_phi): Likewise.
2527 (in_ssa_form): Likewise.
2528 * basic-block.h (convert_to_ssa): Moved from rtl.h.
2529 (convert_from_ssa): Likewise.
2530 (successor_phi_fn): Likewise.
2531 (in_ssa_form): Likewise.
2532 (for_each_successor_phi): Likewise. Change parameter to basic_block.
2533 * flow.c (calculate_global_regs_live): Pass a basic_block to
2534 for_each_successor_phi.
2536 2000-04-08 Richard Henderson <rth@cygnus.com>
2538 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
2539 was modified in the current insn.
2541 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2543 * arm/thumb.md: Delete.
2544 * arm/thumb-protos.h: Delete.
2546 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2548 Merge changes from merged-arm-thumb-backend-branch onto trunk.
2550 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2552 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
2555 * arm.md (nop): Use the standard RTL expression. Don't code as a
2557 (*arm_nop, *thumb_nop): Delete.
2559 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
2560 constants. Use casts instead.
2561 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
2562 output_multi_immediate, arm_poke_function_name): Likewise.
2563 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
2564 MASK_RETURN_ADDDR): Likewise.
2566 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
2568 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
2571 * arm.md (eh_epilogue): New function.
2572 * arm.h (struct machine_function): Move to here ...
2573 * arm.c: ... from here.
2574 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
2575 (thumb_exit): Extra parameter eh_ofs. All callers changed.
2576 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
2578 2000-03-30 Nick Clifton <nickc@cygnus.com>
2580 * config/arm/semi.h (ASM_SPEC): Restore definition.
2581 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2583 * config/arm/elf.h (ASM_SPEC): Restore definition.
2584 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2586 * config/arm/arm.h (ASM_SPEC): Remove definition.
2587 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
2589 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
2591 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
2593 2000-03-24 Nick Clifton <nickc@cygnus.com>
2595 Various formating tidyups, elimination of compile time
2596 warnings and synchronisation with internal sources:
2598 * config/arm/arm-protos.h (assemble_align): Add prototype.
2599 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2600 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2601 (arm_return_addr_rtx): Rename to arm_return_addr.
2603 * config/arm/arm.c: Include except.h.
2604 Define shorter typenames for strict minipool_node and struct
2606 (arm_return_in_memory): For WinCE return all structures <= 32 bits
2608 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2609 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2611 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
2613 (ASM_SPEC): Define if not already defined.
2614 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
2616 * config/arm/arm.md: Rename references to gen_rotated_half_load to
2617 arm_gen_rotated_half_load, and references to gen_comapre_reg to
2618 arm_gen_compare_reg.
2619 (indirect_jump): Only accept register operands.
2620 (load_indirect_jump): Keep this pattern since combine can generate
2623 * config/arm/coff.h: Include aout.h.
2624 (MULTILIB_DEFAULTS): Only define if not already defined.
2626 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
2627 into arm.h (so that COFF ports can support thumb based aliases).
2628 (ASM_SPEC): Move definition into arm.h
2630 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
2631 redundant apcs spec.
2632 (ASM_SPEC): Move definition to arm.h
2634 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
2636 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
2637 for entries in the .bss section
2639 2000-03-23 Nick Clifton <nickc@cygnus.com>
2641 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
2642 to thumb_far_jump_used_p.
2644 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
2645 single integer parameter.
2647 * config/arm/arm.c (struct machine_function): Add two new
2648 fields, 'far_jump_used' and 'arg_pointer_live'.
2649 (thumb_far_jump_used_p): Once the decision has been made that
2650 far jumps might be used, always return true.
2651 If being called from the initial elimination offset macro then
2652 do not bother to perform the test if the arg pointer is not
2654 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
2655 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
2657 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
2659 * arm.c (output_return_instruction): Handle more cases where we can
2660 return from a function with an ldr instruction.
2661 (arm_output_epilogue): Likewise.
2663 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
2664 if we need to push a large stack frame and there are no callee-saved
2667 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
2668 in ARM code if the frame pointer has been eliminated.
2670 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
2671 unspec_volatile arguments to avoid duplicates.
2672 (consttable_1, consttable_2): Fixes for big-endian mode.
2674 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
2677 Re-write constant pool code.
2678 * arm.c (minipool_node, minipool_fix): New types.
2679 (minifix): Delete type.
2680 (arm_add_minipool_constant): Delete.
2681 (arm_compute_minipool_offsets, arm_find_barrier,
2682 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
2683 (get_jump_table_size): Now returns HOST_WIDE_INT.
2684 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
2686 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
2687 (assign_minipool_offsets, arm_print_value): Likewise.
2688 (dump_minipool): Rewrite.
2689 (arm_barrier_cost): New function.
2690 (create_fix_barrier): New function.
2691 (push_minipool_barrier): New function.
2692 (push_minipool_fix): Record additional information about the fixup
2694 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
2695 check the mode of what needs fixing.
2696 (arm_reorg): Rewrite.
2698 2000-03-08 Nick Clifton <nickc@cygnus.com>
2700 * config/arm/arm.md (indirect_jump): Force constant addresses into
2703 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
2705 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
2707 2000-02-24 Nick Clifton <nickc@cygnus.com>
2709 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
2710 adjust is word aligned.
2711 (thumb_expand_epilogue): Make sure that stack adjust is word
2714 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
2716 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
2718 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
2719 pointer relative addresses.
2721 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
2723 * arm.c (find_barrier): Find the last barrier within the allowed
2726 2000-02-09 Nick Clifton <nickc@cygnus.com>
2728 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
2730 2000-02-09 Nick Clifton <nickc@cygnus.com>
2732 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
2733 ARM_FUNCTION_PROFILER.
2735 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
2736 ARM_FUNCTION_PROFILER.
2738 * config/arm/linux-oldld.h: Imported from mainline sources.
2740 2000-02-07 Nick Clifton <nickc@cygnus.com>
2742 * config/arm/lib1funcs.asm: Merge in thumb functions from
2745 * config/arm/lib1thumb.asm: Delete.
2747 2000-02-04 Nick Clifton <nickc@cygnus.com>
2749 * config/arm/arm.c: Sychronised with current Red hat local
2751 * config/arm/arm.h: Ditto.
2752 * config/arm/arm-protos.h: Ditto.
2754 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
2756 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
2758 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
2761 2000-02-02 Nick Clifton <nickc@cygnus.com>
2763 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
2765 * config/arm/arm.md (epilogue): Fix rtl checking abort because
2766 (return) was emited using an emit_insn() call.
2768 2000-01-31 Nick Clifton <nickc@cygnus.com>
2770 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
2772 (thumb_exit): Move frame pointer back into hard frame pointer
2773 register if backtracing is being used.
2775 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
2777 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
2780 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
2782 * config/arm/arm.md (neg_pool_offset): Provide default for new
2784 (arm_movsi_insn): Add neg_pool_offset attribute.
2785 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
2786 rtx for the insn that starts the scan and an unsigned long for its
2787 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
2788 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
2789 instructions in *PINSERTED.
2790 (struct minipool_fixup): Add MIN_ADDRESS elt.
2791 (sort_fixups): Compute it.
2792 (arm_reorg): Changes to support inserting pools before the insn to be
2795 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
2797 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
2798 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
2799 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
2801 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
2803 * config/arm/semi.h (TARGET_VERSION): Do not define if already
2805 (TARGET_DEFAULT): Do not define if already defined.
2807 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
2809 * config/arm/arm.md (anddi3): Allow disjoint source operands.
2810 (iordi3): Allow disjoint source operands.
2811 (xordi3): Allow disjoint source operands.
2812 (negdi2): Permit construction for ARM and Thumb.
2813 (arm_negdi2): Renamed version of old negdi2 pattern.
2814 (thumb_negdi2): New pattern: Only permit non-overlapping
2815 source and destination.
2817 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
2819 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
2820 scratch low register so that it will not be deleted.
2822 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
2824 * config/arm/pe.h (ARM_PE): Define.
2826 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
2827 interfacearm attribute if this is a PE toolchain.
2828 (output_return_instruction): Do not emit anything if the function
2829 has the naked attribute set.
2830 (is_called_in_ARM_mode): If the function has the interfacearm
2831 attribute then return true.
2832 (thumb_expand_prologue): Do not generate a prologue for naked
2834 (thumb_expand_epilogue): Do not generate an epilogie for a naked
2836 (output_thumb_prologue): Do not bother if the function is naked.
2837 Strip PE encoding from function name before emitting.
2839 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
2841 * arm.md (pic_load_addr): Fix constraints.
2843 * arm.md (casesi_insn): Fix mis-applied patch.
2845 * arm.md ("core" function unit): Add rules for single- and
2847 (All TARGET_THUMB patterns): Add "type" attribute information
2849 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
2850 the following insn is a CALL.
2852 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
2854 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
2855 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
2856 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
2858 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
2860 * config/arm/linux-gas.h: oops - this file was missed out when the
2861 branch was created...
2863 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
2865 * thumb.c: Deleted. Move contents to ...
2867 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
2869 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
2872 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
2873 declare a prototype for asm_output_align();
2875 * arm.c (thumb_condition_code): Delete.
2876 (arm_print_operand): Always use arm_condition_code array.
2878 * arm.c (thumb_return_addr_rtx): Delete.
2879 (arm_save_machine_status, arm_restore_machine_status): Delete.
2880 (arm_init_machine_status, arm_mark_machine_status): New functions.
2881 (arm_init_expanders): Update accordingly.
2882 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
2883 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
2884 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
2886 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
2888 * configure.in : Fix arm-*-aout target to use new t-arm-aout
2890 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
2893 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
2895 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
2896 stack backtrace structure.
2898 * config/arm/arm-protos.h: Add prototypes for functions defined in
2901 * config/arm/arm.c (arm_override_options): Fix selection of
2902 attributes of default processor.
2904 * config/arm/coff.h: Delete needless #include.
2906 * config/arm/pe.c: Delete unused code.
2908 * config/arm/pe.h (CPP_DEFINES): Delete
2909 (SUBTARGET_CPP_SPEC): Define.
2910 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
2912 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
2914 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
2916 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
2918 (CAN_DEBUG_WITHOUT_FP): Define.
2919 (FIXED_REGISTERS): Make r11 call-saved.
2920 (CALL_USED_REGISTERS): Likewise.
2921 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
2922 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
2923 frame-pointer is required.
2924 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
2925 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
2926 if the target normally needs a stack frame in non-leaf functions.
2927 (use_return_insn): Correct logic for determining when a return
2928 instruction can be used.
2929 (output_return_instruction): Handle the frame-pointer register as
2930 a normal register when not TARGET_APCS_FRAME.
2931 (arm_output_prologue): Likewise.
2932 (arm_output_epilogue): Likewise.
2933 (output_func_epilogue): Likewise.
2934 (arm_expand_prologue): Likewise.
2935 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
2937 * arm.c (use_return_insn): No need to check floating point regs if
2939 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
2940 the code of value stored in the minipool array.
2941 (arm_add_minipool_constant): Likewise.
2943 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2945 * basic-block.h (conflict_graph_enum_fn): K&R fix.
2947 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2949 * tree.c (tree_expr_nonnegative_p): New function.
2951 * tree.h (tree_expr_nonnegative_p): Declare.
2953 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
2954 elide some sign_compare warnings.
2955 (build_conditional_expr): Likewise.
2957 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
2959 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
2961 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
2962 * i386.c (print_operand): Use the proper suffix for a 387 HImode
2963 operand. Abort if a 387 operand has an unsupported size.
2965 2000-04-08 Neil Booth <NeilB@earthling.net>
2967 * cppexp.c (parse_charconst): Null does not end character
2969 * cppinit.c (ISTABLE): Null character handled as whitespace.
2970 * cpplex.c (null_warning): new function.
2971 (skip_string): Emit warning if nulls encountered.
2972 (_cpp_skip_hspace): Emit warning if nulls encountered.
2973 (_cpp_lex_token): Emit warning if nulls encountered. Drop
2977 2000-04-07 Richard Henderson <rth@cygnus.com>
2979 * flow.c (loop_depth): Remove.
2980 (reg_next_use, cc0_live, mem_set_list): Replace with ...
2981 (struct propagate_block_info): New.
2982 (life_analysis): Don't allocate reg_next_use.
2983 (propagate_block_delete_insn): Break out of propagate_block.
2984 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
2985 (propagate_block_delete_libcall): Likewise.
2986 (propagate_block): Create a propagate_block_info struct to pass
2987 to subroutines. Allocate one not two temporary regsets. Don't
2988 clobber memory for const calls. Look for clobbers in
2989 CALL_INSN_FUNCTION_USAGE.
2990 (mark_set_regs): Recognize COND_EXEC.
2991 (mark_set_reg): Break out of mark_set_1.
2992 (mark_used_reg): Break out of mark_used_regs.
2993 (mark_used_regs): Recognize COND_EXEC.
2994 (insn_dead_p): Use propagate_block_info struct.
2995 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
2996 (find_auto_inc, try_pre_increment_1): Likewise.
2997 (print_rtl_with_bb): Dump regs live at end too.
2998 (count_reg_sets_1): Pass in loop_depth.
2999 (count_reg_sets, count_reg_references): Likewise.
3000 (recompute_reg_usage): Provide it.
3002 2000-04-07 Richard Henderson <rth@cygnus.com>
3004 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
3007 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
3009 * cpplib.c (do_elif): Skip the rest of the line if we're
3010 not going to bother evaluating it.
3011 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
3012 to avoid pointless calls to the lexer.
3014 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
3016 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
3018 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
3020 * calls.c (expand_call): emit_queue if we're trying a sibcall.
3022 2000-04-07 Jakub Jelinek <jakub@redhat.com>
3024 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
3026 2000-04-06 Geoff Keating <geoffk@cygnus.com>
3028 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
3029 crtend so they can be multilibbed.
3030 (STAGESTUFF): Remove s-crt and s-crtS.
3032 2000-04-07 Richard Henderson <rth@cygnus.com>
3034 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
3035 if we discover we need a pseudo and no_new_pseudos is true.
3036 * config/alpha/alpha.md (ne:DI insn): New.
3037 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
3039 2000-04-07 Richard Henderson <rth@cygnus.com>
3041 * rtl.def (COND_EXEC): New.
3042 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
3043 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
3045 * genconfig.c (have_cond_arith_flag): Remove.
3046 (have_cond_exec_flag): New.
3047 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
3048 (main): Print HAVE_conditional_execution.
3050 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
3051 (sched_analyze_insn, print_pattern): Likewise.
3052 * reload.c (find_equiv_reg): Likewise.
3053 * rtlanal.c (reg_referenced_p): Likewise.
3054 (note_stores, dead_or_set_regno_p): Likewise.
3055 (reg_overlap_mentioned_p): Rewrite to use a switch.
3057 * ggc.h (struct rtx_def): Forward declare.
3059 * print-rtl.c (debug_rtx_range): New.
3060 * rtl.h (debug_rtx_range): Declare.
3062 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
3064 * gcse.c (gcse_main): Don't rebuild the CFG here.
3065 (delete_null_pointer_checks): Likewise.
3066 * ssa.c (convert_to_ssa): Likewise.
3067 * toplev.c (rest_of_compilation): Do it here instead. Combine
3068 sequential calls to TIMEVAR. Consistently use `insns' instead of
3069 `get_insns()'. Always split insns after reload when optimizing.
3071 * basic-block.h (merge_blocks_nomove): Declare.
3072 (tidy_fallthru_edge): Declare.
3073 * flow.c (merge_blocks_nomove): Document as merging into previous
3074 blocks. Remove cruft from between blocks; remove all edges out of A.
3075 (tidy_fallthru_edge): Export.
3077 2000-04-06 Alex Samuel <samuel@codesourcery.com>
3079 * ssa.c (compute_conservative_reg_partition): Declare with
3081 * toplev.c (clean_dump_file): Remove previously-deleted function
3082 inadvertantly merged back in.
3083 * conflict.c (conflict_graph_add): Use a single call to
3084 htab_find_slot to look up and insert.
3086 2000-04-06 Richard Henderson <rth@cygnus.com>
3088 * genrecog.c (*): Rename _last_insn to last_insn.
3089 (make_insn_sequence): Set the position of the peephole2 C test
3090 to be at the last insn.
3092 2000-04-06 Richard Henderson <rth@cygnus.com>
3094 * flow.c (compute_flow_dominators): Free worklist.
3096 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
3098 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
3100 2000-04-06 Alex Samuel <samuel@codesourcery.com>
3102 * rtl.h (INSN_P): New macro.
3103 (successor_phi_fn): New typedef.
3104 (for_each_successor_phi): New prototype.
3105 (in_ssa_form): New variable.
3106 (PHI_NODE_P): Likewise.
3107 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
3108 phi nodes in successors.
3109 (mark_used_regs): Add PHI case.
3110 (set_phi_alternative_reg): New function.
3111 (life_analysis): Assert that dead code elimination is not selected
3113 * toplev.c (to_ssa_time): New variable.
3114 (from_ssa_time): Likewise.
3115 (compile_file): Zero to_ssa_time and from_ssa_time.
3116 Print time to convert to and from SSA.
3117 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
3118 (print_time): Compute percent fraction as integer.
3119 * ssa.c (PHI_NODE_P): Moved to rtl.h.
3120 (convert_to_ssa): Check if we're already in SSA.
3121 Don't eliminate dead code in life_analysis.
3122 Rerun flow and life analysis at bottom.
3123 (eliminate_phi): Use canonical regnos when adding nodes.
3124 (mark_reg_in_phi): New function.
3125 (mark_phi_and_copy_regs): Likewise.
3126 (convert_from_ssa): Rerun life analysis at top.
3127 Use coalesced partition.
3128 Check for removing a phi node at the end of the block.
3129 (compute_coalesced_reg_partition): New function.
3130 (coalesce_regs_in_copies): Likewise.
3131 (coalesce_reg_in_phi): Likewise.
3132 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
3133 (for_each_successor_phi): Likewise.
3134 (rename_context): New struct.
3135 (rename_block): Use a rename_context with rename_insn_1. When
3136 renaming sets of a subreg, emit a copy of the entire reg first.
3137 (rename_insn_1): Treat data as a rename_context *. Save current
3139 (rename_set_data): Add field set_insn.
3140 * Makefile.in (HASHTAB_H): Move up in file.
3141 (OBSTACK_H): New macro.
3142 (collect2.o): Use OBSTACK_H in dependencies.
3143 (sdbout.o): Likewise.
3144 (emit-rtl.o): Likewise.
3145 (simplify-rtx.o): Likewise.
3146 (fix-header.o): Likewise.
3147 (OBJS): Add conflict.o.
3148 (conflict.o): New rule.
3149 * basic-block.h: Include partition.h.
3150 (conflict_graph): New typedef.
3151 (conflict_graph_enum_fn): Likewise.
3152 (conflict_graph_new): New prototype.
3153 (conflict_graph_delete): Likewise.
3154 (conflict_graph_add): Likewise.
3155 (conflict_graph_conflict_p): Likewise.
3156 (conflict_graph_enum): Likewise.
3157 (conflict_graph_merge_regs): Likewise.
3158 (conflict_graph_print): Likewise.
3159 (conflict_graph_compute): Likewise.
3160 * conflict.c: New file.
3162 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
3164 * tlink.c (read_repo_files): Don't look for .rpo info for
3167 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3169 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
3171 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3173 * config/sh/lib1funcs.asm (___udivsi3_i4):
3174 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
3175 only depends on FMOVD_WORKS.
3177 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3179 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
3180 make double constant 8-byte aligned.
3182 2000-04-06 Jakub Jelinek <jakub@redhat.com>
3184 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
3185 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
3186 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
3187 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
3188 Accept storing GENERAL_REGS into offsetable memory.
3189 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
3190 building a TFmode constant other than 0.0L into GENERAL_REGS.
3192 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
3194 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
3196 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
3198 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
3199 (macro_cleanup): No need to cast pbuf->macro.
3200 (collect_expansion): Use _cpp_get_define_token. Goto done if
3201 it returns VSPACE. Remove check for trailing space after
3203 (_cpp_create_definition): Don't diddle flags here. Return
3205 (unsafe_chars): Handle c1 being EOF.
3206 (push_macro_expansion): Use unsafe_chars for both accidental-paste
3207 checks. Don't push the buffer till after we're done with
3209 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
3210 (PEEKN, FORWARD, GETC, PEEKC): Use them.
3211 (cpp_push_buffer): Don't set new->alimit. Set new->mark
3213 (_cpp_parse_assertion): Don't NUL terminate.
3214 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
3215 hspace before calling _cpp_parse_assertion. Remove all sets
3216 of only_seen_white. Treat '\f' as hspace. Don't do anything
3217 special with '\n' here.
3218 (maybe_macroexpand): Handle T_EMPTY hash entries without
3219 pushing a buffer at all.
3220 (cpp_get_token): Handle clearing only_seen_white here. Handle
3221 incrementing the line number here. Clear
3222 potential_control_macro as well as only_seen_white, if
3224 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
3225 (_cpp_get_define_token): New function, basically like
3226 _cpp_get_directive_token was but doesn't eat horizontal space.
3227 Don't do anything with only_seen_white here.
3228 (_cpp_get_directive_token): Just call _cpp_get_define_token
3229 repeatedly till it returns non-hspace.
3231 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
3232 (conditional_skip, skip_if_group): Return int.
3233 (DIRECTIVE_TABLE): Change origin of all conditional directives
3235 (TRAD_DIRECT_P): New macro.
3236 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
3237 an error for a bogus directive, unless -lang-asm. Use
3238 TRAD_DIRECT_P. Loop calling handler functions till one returns
3240 (get_macro_name): Don't diddle flags here.
3241 (do_define): Diddle flags here. Use _cpp_get_directive_token.
3242 Create T_EMPTY nodes for #define macro /* nothing */.
3243 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
3244 Use hp->name when calling pass_thru_directive.
3245 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
3246 Return the result of conditional_skip and/or skip_if_group.
3247 Don't call _cpp_output_line_command.
3248 (consider_directive_while_skipping): Use _cpp_get_directive_token.
3249 Issue -Wtraditional warnings as appropriate. Don't complain
3250 about unrecognized directives. If we are to stop skipping,
3251 return the number of the directive that ended the skip.
3252 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
3253 expansion and line commands while skipping. Return the result
3254 of consider_directive_while_skipping, if nonzero.
3255 (do_endif): Just set potential_control_macro here.
3256 (validate_else): Use _cpp_get_directive_token.
3257 (do_assert, do_unassert): Don't save pointers into the
3258 token_buffer across calls to the lexer. Use
3259 _cpp_get_directive_token.
3261 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
3262 pointer, not an offset. Replace 'data', which was a generic
3263 pointer, with 'macro', which points to a struct hashnode.
3264 (cpp_reader): Add 'potential_control_macro' pointer.
3265 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
3266 (CPP_BUF_GET, CPP_FORWARD): Delete.
3267 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
3268 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
3269 ACTIVE_MARK_P): Update.
3270 (_cpp_get_define_token): New internal function.
3271 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
3273 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
3275 * configure.in: And here.
3276 * configure: Regenerate.
3277 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
3278 --enable-libstdcxx-v3 is passed at configure time.
3279 * config.h.in: Regenerate.
3281 2000-04-05 Mark Mitchell <mark@codesourcery.com>
3283 * final.c (final): Use xcalloc to allocate line_note_exists.
3284 * function.c (free_after_compilation): Free the temp_slots.
3285 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
3286 (combine_temp_slot): Free temp_slots when they get combined.
3287 (purge_addressof): Fix typo in comment.
3288 * stmt.c (mark_goto_fixup): Mark the fixup itself.
3289 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
3291 * ggc.h: Include varray.h.
3292 (ggc_pending_trees): Declare.
3293 (ggc_mark_tree_children): Remove declaration.
3294 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
3295 * ggc-common.c (ggc_pending_trees): New variable.
3296 (ggc_mark_roots): Call ggc_mark_trees.
3297 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
3298 the ggc_pending_trees.
3299 * Makefile.in (GGC_H): New variable. Use it throughout in place
3302 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3304 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
3307 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3309 * sh.c (sh_insn_length_adjustment): New function.
3310 * sh-protos.h (sh_insn_length_adjustment): Declare.
3311 * sh.h (ADJUST_INSN_LENGTH): Use it.
3313 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
3315 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
3316 from the insn where REG_RETVAL is added.
3317 (emit_no_conflict_block): Ditto.
3319 * md.texi (Standard Names): Clarify when movX is needed.
3321 * combine.c (simplify_comparison) [MINUS]: Do not replace
3322 all (op (minus A B) 0) with (op A B).
3324 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
3325 J"orn Rennecke <amylaar@cygnus.co.uk>
3327 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
3328 (block_lump_real): Likewise.
3330 2000-04-05 Chris Demetriou <cgd@netbsd.org>
3332 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
3333 remaining non-zero debugging masks.
3335 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
3337 * basic-block.h (verify_flow_info): Declare.
3338 (flow_loop_outside_edge_p): Declare.
3339 * flow.c (verify_flow_info): Remove declaration.
3340 (clear_log_links, flow_loop_outside_edge_p): Likewise.
3342 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
3344 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
3347 2000-04-05 Jakub Jelinek <jakub@redhat.com>
3349 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
3350 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
3351 seqdi_zero_trunc+1): Allow splits only if registers are
3354 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
3356 * acconfig.h: Add HAVE_GAS_HIDDEN.
3357 * config.in: Regenerated.
3358 * configure.in: Add test for .hidden pseudo-op in gas.
3359 * configure: Regenerated.
3360 * crtstuff.c: Include auto-host.h.
3361 Emit additional .hidden pseudo-op for __dso_handle if the
3362 assembler knows about it.
3364 2000-04-04 Philippe De Muyter <phdm@macqel.be>
3366 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
3367 before freeing argnames.
3368 * cpplib.c (do_ifndef): Cast return value of xstrdup.
3370 2000-04-05 Michael Meissner <meissner@redhat.com>
3372 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
3373 Walton <jonboy@gordian.com> to make memory references with update
3374 work wtih -mregnames.
3376 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3378 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
3379 (regrename_optimize): Rename variables `def_uses' and
3380 `ext_basic_blocks' to avoid conflicts with similarly named
3381 typedefs in traditional C.
3383 * calls.c (initialize_argument_information): Fix typo in previous
3386 2000-04-04 Richard Henderson <rth@cygnus.com>
3388 * regrename.c (consider_available): Test fixed_regs not
3389 PIC_OFFSET_TABLE_REGNUM.
3391 2000-04-04 Geoff Keating <geoffk@cygnus.com>
3393 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
3395 (CRTSTUFF_T_CFLAGS_S): Delete definition.
3396 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
3397 (ENDFILE_LINUX_SPEC): Always use crtend.
3398 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
3399 (powerpc-*-linux-gnu): Likewise.
3400 * configure: Regenerate.
3402 * config/rs6000/eabi.h: Don't include sysv4.h.
3403 (MULTILIB_DEFAULTS): Don't define.
3404 * config/rs6000/eabiaix.h: Don't include eabi.h.
3405 * config/rs6000/eabile.h: Delete.
3406 * config/rs6000/eabilesim.h: Delete.
3407 * config/rs6000/eabisim.h: Don't include eabi.h.
3408 * config/rs6000/linux.h: Don't include sysv4.h.
3409 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
3410 (MULTILIB_DEFAULTS): Don't redefine.
3411 * config/rs6000/rtems.h: Don't include eabi.h.
3412 * config/rs6000/sol2.h: Don't include sysv4le.h.
3413 * config/rs6000/sysv4le.h: Don't include sysv4.h.
3414 * config/rs6000/t-ppc: Delete.
3415 * config/rs6000/t-ppcgas: Correct comment.
3416 * config/rs6000/t-ppcos: Correct comment. Don't build
3417 multilibs for -fPIC, rather use -fPIC -mstrict-align
3419 * config/rs6000/t-ppc: Delete.
3420 * config/rs6000/vxppc.h: Don't include sysv4.h.
3421 * config/rs6000/vxppcle.h: Delete.
3422 * configure.in: Use multiple header files for p2pc ELF targets
3423 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
3424 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
3425 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
3426 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
3427 always available for these platforms.
3429 2000-04-04 Richard Henderson <rth@cygnus.com>
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