1 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
3 * flow.c (verify_flow_info): Added two more sanity checks. The
4 first checks that the blocks are numbered consecutively. The second
5 checks that n_basic_blocks is actually equal to the number of
6 basic blocks in the insn chain.
8 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
10 * cpplib.h: Add accessor macros for token lists.
11 * cpplib.c, cpphash.c, cpplex.c: Use them.
13 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
16 memory usage if not in a function.
17 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
18 return address if static.
20 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
22 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
23 whether address may trap.
25 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
27 * bb-reorder (chain_reorder_blocks): Changed code to test for
28 EDGE_FALLTHRU rather than making erroneous assumption that the
29 first outgoing edge is the fall-through edge.
31 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
33 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
34 ABI for varargs, across all MIPS. This is incompatible because the
35 va_list (__builtin_va_list) structure is different, so a compilation
36 unit passing a va_list and a compilation unit being passed one, should
37 both be compiled with the same ABI. (The old structure had two
38 pointers, now it has three.)
40 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
42 * bb-reorder.c (struct reorder_block_def): Remove members end,
43 block_begin, and block_end.
44 (REORDER_BLOCK_OLD_END): Delete.
45 (REORDER_BLOCK_BEGIN): Delete.
46 (REORDER_BLOCK_END): Delete.
47 (chain_reorder_blocks): Remove dead code.
49 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
51 * bb-reorder.c (remove_scope_notes): Check for both types of scope
52 notes as the end of a basic block before deleting.
54 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
56 * final.c (final_start_function): Fix spelling of "necessary".
58 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
60 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
61 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
63 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
64 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
65 objc/Make-lang.in: Use it.
67 * toplev.c (debug_ignore_block): Return int.
68 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
69 * toplev.h, dwarf2out.h: Adjust.
70 * emit-rtl.c (remove_unnecessary_notes): Test return value.
72 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
73 * toplev.c, final.c, rtl.h: Adjust.
75 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
77 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
78 * configure.in: Look for makeinfo in the unified tree, then
79 for a system makeinfo which is sufficiently new.
80 * Makefile.in: If configure says makeinfo is too old, don't
81 build or install Info documentation.
83 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
85 * cpphash.c (collect_params): Fix off-by-one error.
86 (dump_hash_helper): Dump all four macro nodetypes.
88 2000-05-02 Jakub Jelinek <jakub@redhat.com>
90 * cpphash.c (trad_stringify): Adjust p after stringification as
93 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
95 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
96 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
98 * cppfiles.c (file_cleanup): Delete.
99 * cpphash.c (macro_cleanup): Delete.
100 (collect_objlike_expansion, collect_funlike_expansion,
101 macarg, scan_arguments): Remove CPP_POP case.
103 * cpplex.c (null_cleanup): Delete.
104 (cpp_pop_buffer): Do the work that was done in the cleanups
105 here. Call _cpp_unwind_if_stack from here.
106 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
107 cpp_scan_buffer): Run until we see CPP_EOF and the top of
108 stack is the buffer _below_ the one we stacked.
109 (cpp_get_token): Always pop an exhausted buffer. Return
110 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
111 * cpplib.c (skip_if_group): Don't call cpp_get_token to
112 increment the line number.
113 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
115 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
116 we see CPP_EOF and the top of stack is the buffer _below_ the
118 * scan-decls.c: Likewise.
120 2000-05-02 Andrew Haley <aph@cygnus.com>
122 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
123 where this function is called for the second time on a decl that
124 has had its section info changed in such a way as to move it out
126 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
128 2000-05-01 Richard Henderson <rth@cygnus.com>
130 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
131 the sequence we're moving, not to merge_bb->head.
133 2000-05-01 Richard Henderson <rth@cygnus.com>
135 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
136 reference to alpha/t-linux.
137 (alpha*-*-linux-gnu*): Likewise.
138 * configure: Rebuild.
140 * calls.c (expand_call): Don't emit reg notes for a sibcall.
142 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
145 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
147 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
149 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
152 2000-05-01 Richard Henderson <rth@cygnus.com>
154 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
155 emit_conditional_move.
157 2000-05-01 Jakub Jelinek <jakub@redhat.com>
159 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
160 as the dynamic linker.
162 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
164 * cppfiles.c (open_include_file): Open file in blocking mode.
165 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
166 Only exclude block devices and directories.
168 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
169 static. Allocate the hashnode and its string in the same
171 (del_HASHNODE): Don't free h->name.
172 (_cpp_lookup): If there is no entry for this string, create
174 (_cpp_lookup_slot): Delete.
175 * cpphash.h: Update prototypes.
177 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
179 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
180 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
181 node here, just fill in the value field properly. "Delete"
182 entries by setting the value field to T_VOID. Check for
183 hp->type == T_VOID, not hp == NULL.
185 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
186 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
189 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
191 * config/mn10300/mn10300.c (print_operand_address): Do not add
194 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
195 adjusted by less than 256 bytes, use ret regardless of having any
196 callee-saved register to restore.
198 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
200 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
202 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
204 * config/i386/djgpp.h (INT_ASM_OP): Define.
205 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
206 (ASM_WEAKEN_LABEL): Define.
207 (MASK_BNU210): Define.
208 (SUBTARGET_SWITCHES): Define.
209 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
210 (MAKE_DECL_ONE_ONLY): Define.
211 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
213 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
215 * i386/cygwin.h (INT_ASM_OP): Define.
217 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
219 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
220 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
222 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
224 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
225 __tmp_reg__ and __zero_reg__ initialization.
227 2000-04-30 Richard Henderson <rth@cygnus.com>
229 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
231 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
232 referenced bewteen the condition and the jump. Don't delete
233 anything but the jump.
235 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
237 * bb-reorder.c (scope_def): New struct.
238 (scope_forest_info): New struct.
239 (struct reorder_block_def): New member "scope".
240 (REORDER_BLOCK_SCOPE): New macro.
241 (relate_bbs_with_scopes): New function and prototype.
242 (make_new_scope): Likewise.
243 (build_scope_forest): Likewise.
244 (remove_scope_notes): Likewise.
245 (insert_intra_1): Likewise.
246 (insert_intra_bb_scope_notes): Likewise.
247 (insert_inter_bb_scope_notes): Likewise.
248 (rebuild_scope_notes): Likewise.
249 (free_scope_forest_1): Likewise.
250 (free_scope_forest): Likewise.
251 (dump_scope_forest): Likewise.
252 (dump_scope_forest_1): Likewise.
253 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
254 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
256 (reorder_basic_blocks): Added calls to build_scope_scope_forest
257 and remove_scope_notes before reordering is done. Added calls to
258 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
259 after reordering is done.
261 2000-40-30 Bruce Korb <bkorb@gnu.org>
263 * fixinc/inclhack.def: Added definitions needed by OSR5,
264 removed two stale entries (defined away with OLD_CPP).
265 * fixinc/inclhack.sh: regen
266 * fixinc/fixincl.x: regen
268 2000-04-30 Richard Henderson <rth@cygnus.com>
270 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
271 from the last insn in the sequence.
273 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
275 * cpplex.c (cpp_idcmp): New function.
276 * cpplib.h: Prototype it.
277 * scan_decls.c (scan_decls): Use it to inspect token names.
278 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
279 the file being run through the preprocessor.
280 (check_macro_names): Provide length of token to cpp_defined.
282 * Makefile.in: Remove stale warning message.
284 * cppfiles.c (redundant_include_p): Provide length of token to
286 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
287 values are unsigned int.
288 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
289 (_cpp_lookup_slot): Do not calculate the hash, either.
290 * cpphash.h: Update prototypes.
291 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
292 Hashes are unsigned int. Calculate hash here, pass by value
295 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
297 * simplify-rtx.c (check_value_useless): Delete function.
298 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
300 (cselib_invalidate_regno): Likewise.
301 (cselib_invalidate_mem_1): Likewise.
302 (references_value_p): Recognize useless values by the fact that they
304 (discard_useless_values): Likewise.
305 (cselib_record_set): This may turn a useless value
308 2000-04-30 Richard Henderson <rth@cygnus.com>
310 * config/d30v: New port.
312 * configure.in (d30v-*): Set fp format.
313 * configure: Rebuild.
315 2000-04-30 Richard Henderson <rth@cygnus.com>
318 * Makefile.in (OBJS): Add it.
319 (ifcvt.o): New target.
320 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
321 and conditional arithmetic.
322 (find_insert_position): Remove.
323 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
324 * toplev.c (DFI_ce, DFI_ce2): New.
325 (dump_file): Add ce and ce2 dumps.
326 (rest_of_compilation): Run if_convert a couple o times. Set
327 cse_not_expected after cse2. Don't set no_new_pseudos until
328 after sched1 or recompute_reg_usage.
330 2000-04-30 Richard Henderson <rth@cygnus.com>
332 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
333 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
335 2000-04-30 Richard Henderson <rth@cygnus.com>
337 * flow.c (struct reg_cond_life_info): New.
338 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
339 (init_propagate_block_info): Initialize them.
340 (free_propagate_block_info): Destruct them.
341 (mark_set_1): Consider conditional life before killing a register.
342 (mark_regno_cond_dead): New.
343 (free_reg_cond_life_info): New.
344 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
345 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
346 (mark_used_reg): Record conditional life.
348 * haifa-sched.c (schedule_insns): Disable death counting
349 sanity check for HAVE_conditional_execution.
351 2000-04-30 Richard Henderson <rth@cygnus.com>
353 * Makefile.in (TIMEVAR_H): New.
354 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
355 (timevar.h): Remove rule.
357 2000-04-29 Richard Henderson <rth@cygnus.com>
359 * config/alpha/crtend.asm: Use C comments instead of #.
360 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
362 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
364 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
366 * cpphash.h (enum node_type: Take out T_MCONST.
367 (union hashval): Move into struct hashnode.
368 (struct hashnode): Pack tighter. Remove file, line, col
370 * cpphash.c: Constify most of the macro-definition structures.
371 (struct definition): Replace by struct object_defn
372 and struct funct_defn. Put file, line, column information
373 here. All users updated to match.
374 (_cpp_create_definition, _cpp_macroexpand): Remove special
375 case for #define WORD OTHERWORD.
376 * cpplib.c (do_undef): Remove T_MCONST case.
378 * cpphash.h: Move struct reflist, struct definition, and the
379 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
380 union hashval. _cpp_free_definition takes a HASHNODE pointer.
381 * cpphash.c (_cpp_free_definition): Free data pointed to by
382 MCONST, XCONST, MACRO, and FMACRO nodes properly.
383 (_cpp_create_definition, del_HASHNODE): Just call
384 _cpp_free_definition to clear out a hashnode.
385 * cpplib.c (do_pragma_poison): Likewise.
387 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
389 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
390 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
391 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
392 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
393 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
394 REGNO_AM33_P): Redefine in terms of the new macros.
395 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
396 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
397 STRUCT_VALUE): Likewise.
398 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
399 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
401 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
403 * regmove.c (struct record_stack_memrefs_data): New.
404 (record_stack_memrefs): New function.
405 (combine_stack_adjustments_for_block): Use it.
407 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
409 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
410 use special_function_p to detect alloca.
412 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
414 * gcc.texi: Fixes for makeinfo 4.0 --html.
416 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
418 * pcp.h: Delete file.
420 2000-04-28 Kazu Hirata <kazu@hxi.com>
422 * h8300.c (function_epilogue): Clean up flags when the last insn
423 in a function is a barrier.
425 2000-04-28 Chris Demetriou <cgd@sibyte.com>
427 * configure.in (sparc-hal-solaris2*): protect [] glob from
429 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
430 rather than hard-coded constants in target_cpu_default2.
431 * configure: Regenerate.
433 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
435 * tree.c (get_callee_fndecl): Extract the initial value from
438 2000-04-28 Richard Henderson <rth@cygnus.com>
440 * varasm.c (record_constant_1): Record the CODE_LABEL when
441 taking the address of a LABEL_REF.
443 2000-04-28 Richard Henderson <rth@cygnus.com>
444 Jan Hubicka <jh@suse.cz>
446 * calls.c (combine_pending_stack_adjustment_and_call): Return the
447 adjustment; don't do the stack adjust.
448 (expand_call): Call compute_argument_block_size right before
449 allocating the block; update comment; don't do alignment sanity
450 checking for sibling call; use args_size instead of
451 unadjusted_args_size before args_size is adjusted. Use
452 combine_pending_stack_adjustment_and_call to compute stack adjust
453 for must_preallocate case.
455 * expr.c (push_block): Remove shadow `temp' in inner scope.
457 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
459 * toplev.c (rest_of_compilation): Call
460 note_deferral_of_defined_inline_function even if the function
463 2000-04-28 Scott Bambrough <scottb@netwinder.org>
465 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
467 2000-04-28 Richard Henderson <rth@cygnus.com>
469 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
471 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
473 * timevar.c (init_timevar): DeANSIfy function definition.
475 2000-04-27 Alex Samuel <samuel@codesourcery.com>
477 * Makefile.in (timevar.o): Depend on flags.h.
478 * timevar.c (unused_stack_instances): New variable.
479 (timevar_push): Take a timevar_stack_def from
480 unused_stack_instances if available.
481 (timevar_pop): Push the popped timevar_stack_def onto
482 unused_stack_instances.
483 (TIMEVAR_ENABLE): New macro.
484 (timevar_def): Make standalone a 1-bit field. Add field used.
485 (get_time): Rename parameter to now. Return after clearing it if
487 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
488 (timevar_pop): Likewise.
489 (timevar_stop): Likewise.
490 (timevar_push): Likewise. Mark the timing variable as used.
491 (timevar_start): Likewise.
492 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
493 timevars that were never used.
495 2000-04-27 Mark Mitchell <mark@codesourcery.com>
497 * c-commom.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
498 always TREE_READONLY.
500 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
502 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
503 for call instruction with mode QImode.
505 2000-04-27 Alex Samuel <samuel@codesourcery.com>
507 * Makefile.in (OBJS): Add timevar.o.
508 (toplev.o): Depend on timevar.h.
509 (ggc-simple.o): Likewise.
510 (ggc-page.o): Likewise.
511 (timevar.o): New rule.
512 (timevar.h): New rule.
514 * timevar.h: New file.
515 * timevar.c: Likewise.
516 * timevar.def: Likewise.
518 * toplev.h (gc_time, parse_time, varconst_time): Remove.
519 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
521 (TIMEVAR): Remove macro.
522 (gc_time, parse_time, varconst_time, integration_time, jump_time,
523 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
524 flow_time, combine_time, regmove_time, sched_time,
525 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
526 sched2_time, dbr_sched_time, reorder_blocks_time,
527 rename_registers_time, shorten_branch_time, stack_reg_time,
528 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
530 (compile_file): Don't initialize time variables. Call
531 init_timevar and start TV_TOTAL timer. Call timevar_print instead
532 of many calls to print_time.
533 (rest_of_compilation): Add timing for reload_cse_regs.
534 (get_run_time): Removed to timevar.c.
535 (print_time): Likewise.
536 (get_run_time): Implement using TV_TOTAL time variable.
537 (print_time): Get total run time from get_run_time.
538 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
539 computing elapsed time explicitly.
540 * ggc-simple.c (ggc_collect): Likewise.
541 (gc_time): Remove declaration.
543 2000-04-27 Mark Mitchell <mark@codesourcery.com>
545 * calls.c (combine_pending_stack_adjustment_and_call): New function.
546 (expand_call): Use it.
548 2000-04-27 Jan Hubicka <jh@suse.cz>
550 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
553 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
555 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
558 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
560 * function.c (epilogue_done): Pass whole insn to record_insns.
562 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
564 * cse.c (CSE_ADDRESS_COST): Remove.
565 (find_best_addr): Add new parameter "MODE", use address_cost instead
568 (fold_rtx): Update call of find_best_addr.
569 * rtl.h (address_cost): Declare.
570 * loop.c (general_induction_var): Add new parameter "MODE", use
571 address_cost instead of ADDRESS_COST
572 (init_loop): Use address_cost instead of ADDRESS_COST.
573 (check_insn_for_givs): Update call of general_induction_var.
574 (find_mem_givs): Likewise.
575 (consec_sets_giv): Likewise.
576 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
577 * i386.c (ix86_address_cost): New.
578 * i386-protos.h (ix86_address_cost): Declare.
580 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
582 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
585 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
587 * expr.c (store_expr): Use clear_storage instead of direct memset
590 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
592 * config/mn10300/mn10300.c (mn10300_address_cost): Test
593 ASHIFT, AND and LABEL_REF.
595 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
597 * invoke.texi (-foptimize-sibling-calls): Fix.
599 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
601 * loop.c (load_mems) Don't use hard registers for the hoisting.
603 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
604 calculation; rename const_equiv array in the preconditioning code
605 from loop_unroll to loop_unroll_precondition
607 2000-04-27 Richard Henderson <rth@cygnus.com>
609 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
611 (propagate_one_insn): Clear it. Don't update reg_live here.
612 (init_propagate_block_info): Update for pbi member changes.
613 (free_propagate_block_info): Likewise.
614 (mark_set_1): Know that zero_extract, sign_extract, and
615 strict_low_part don't kill their argument. Alter hard subregs.
616 Update new_set for non-CLOBBER sets. Update reg_live.
617 (find_auto_inc): Update reg_live, not new_dead.
618 (mark_used_reg): Update reg_live, not new_live. Examine new_set
619 to determine if the reg in question was set this insn. Only update
620 reg info with PROP_REG_INFO.
622 2000-04-26 Richard Henderson <rth@cygnus.com>
624 * flow.c (allocate_reg_life_data): Set max_regno here ...
625 (life_analysis): ... not here.
627 * flow.c (calculate_global_regs_live): Force stack pointer
630 2000-04-26 Richard Henderson <rth@cygnus.com>
632 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
633 commit change group changes.
634 (invert_exp_1): Similarly.
635 (redirect_exp, invert_exp): Use them.
636 (redirect_jump_1): New.
637 (invert_jump_1): New.
638 (jump_optimize_1): Remove code subsumed by condexec.c.
639 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
641 2000-04-26 Richard Henderson <rth@cygnus.com>
643 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
645 * genconfig.c (main): Set all HAVE_foo to 1.
647 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
649 2000-04-26 Alex Samuel <samuel@codesourcery.com>
651 * invoke.texi: Document -fssa flag.
653 2000-04-26 Richard Henderson <rth@cygnus.com>
655 * flow.c (count_reg_sets_1): Remove.
656 (count_reg_sets, count_reg_references): Remove.
657 (recompute_reg_usage): Implement with update_life_info.
658 Reallocate life data.
660 2000-04-26 Richard Henderson <rth@cygnus.com>
662 * flow.c (update_life_info): Consider blocks null to mean the
664 (calculate_global_regs_live): Likewise.
665 (life_analysis): Do that instead of collecting all_blocks.
667 2000-04-26 Richard Henderson <rth@cygnus.com>
669 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
670 a still-valid conditional jump.
672 2000-04-26 Richard Henderson <rth@cygnus.com>
674 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
676 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
677 * flow.c (calculate_loop_depth): Remove.
678 * output.h (calculate_loop_depth): Don't declare.
679 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
680 inline; run estimate_probability at the same time.
682 2000-04-26 Neil Booth <NeilB@earthling.net>
684 * cpplib.h: "~=" is not a single pp-token.
685 * cpplex.c: Correct commentary.
687 2000-04-26 Richard Henderson <rth@cygnus.com>
689 * flow.c (mark_set_1): New arguments code and flags; update all
690 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
691 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
692 loop_depth when optimizing for size. Do new_dead update after
693 emitting REG_UNUSED notes. Merge mark_set_reg code.
694 (mark_set_reg): Remove.
695 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
696 arrange to not emit REG_UNUSED notes.
698 2000-04-26 Richard Henderson <rth@cygnus.com>
700 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
701 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
703 2000-04-26 Richard Henderson <rth@cygnus.com>
705 * flow.c (propagate_one_insn): Break out from propagate_block.
706 (init_propagate_block_info): Likewise.
707 (free_propagate_block_info): Likewise.
708 (propagate_block): Use them. Export.
709 * basic-block.h: Declare them all.
711 2000-04-26 Richard Henderson <rth@cygnus.com>
713 * basic-block.h (life_analysis): Declare here ...
714 * output.h: ... not here.
715 * flow.c (life_analysis): Remove nregs parameter; replace
716 remove_dead_code with flags. Remove ssa dead code check.
717 Only init alias analysis if we'll use it.
718 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
719 * ssa.c (convert_to_ssa): Likewise.
720 (convert_from_ssa): Likewise.
721 * toplev.c (rest_of_compilation): Likewise.
723 2000-04-26 Richard Henderson <rth@cygnus.com>
725 * flow.c (flow_delete_block): Rename from delete_block. Export.
726 * basic-block.h (flow_delete_block): Declare.
728 2000-04-26 David S. Miller <davem@redhat.com>
730 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
731 taking a PATTERN of it.
733 2000-04-26 <NeilB@earthling.net>
735 * cpplex.c (spell_other, spell_char): Remove.
737 (token_spelling, trigraph_map): Use unsigned chars.
738 (_cpp_lex_line): Tidy up the switch statement.
739 * cpplib.h: Implement spell_char with spell_string.
742 2000-04-26 <RodneyBrown@pmsc.com>
744 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
745 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
747 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
749 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
750 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
751 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
752 dwarf2out_return_save, dwarf2out_return_reg,
753 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
754 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
755 gen_compile_unit_die, dwarf2out_init): Constify a char*.
757 * dwarf2out.h (dwarf2out_init): Likewise.
759 * dwarfout.c (filename_entry, primary_filename, last_filename,
760 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
762 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
763 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
764 dwarf2out_return_reg): Likewise.
766 2000-04-26 Andreas Jaeger <aj@suse.de>
768 * extend.texi (Function Attributes): Fix description of pure
771 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
773 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
774 before calling rest_of_compilation.
776 2000-04-26 Andreas Jaeger <aj@suse.de>
778 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
781 2000-04-25 Richard Henderson <rth@cygnus.com>
783 * cse.c (cse_insn): Emit barrier after unconditional jump.
785 * calls.c (expand_call): Disable tail call generation once
786 rtx_equal_function_value_matters is false.
788 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
791 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
793 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
795 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
797 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
798 is the primary DIE for a member function.
799 (gen_decl_die): Call set_decl_origin_self here.
800 * dwarfout.c (output_decl): And here.
801 * integrate.c (output_inline_function): Not here.
802 Don't clear DECL_INLINE until after calling rest_of_compilation.
803 (set_decl_origin_self): No longer static.
804 * tree.h: Add prototype.
805 * toplev.c (note_deferral_of_defined_inline_function): Only write
806 out abstract instance for actual inlines.
808 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
810 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
811 EXTENDED_REGS only if TARGET_AM33.
812 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
813 SP_REGS to register allocation and reloading unless absolutely
815 (movsi3): Remove special-case of adding non-constants to SP.
817 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
819 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
820 INCLUDES to search and does not provide any of its own. Also it
821 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
822 parameters. Also it does not call AC_DEFINE.
823 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
824 AC_DEFINE and provides for automatic entries for autoheader.
825 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
827 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
828 so we can pass -I flags and include gansidecl.h/system.h in this
831 * acconfig.h: Delete all NEED_DECLARATION_* entries.
833 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
835 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
836 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
837 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
839 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
840 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
841 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
842 for these macros. Clean up spacing and linewraps.
844 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
846 * calls.c (expand_call): Use get_callee_fndecl.
848 * print-tree.c (print_node): Print the chain of an _EXPR.
850 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
851 Jim Wilson <wilson@cygnus.com>
852 Andrew Haley <aph@cygnus.com>
854 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
855 and gp save/restore problems.
856 * config/ia64/crtend.asm: Add IA-64 unwind support.
857 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
858 in fr_pad_size calculation.
859 (save_restore_insns): Move PR save area. Correct uses of
861 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
862 (ia64_expand_epilogue): Add eh_epilogue support.
863 (ia64_function_prologue): Emit .prologue directive.
864 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
865 (ia64_override_options): Set init_machine_status and
867 (rtx_needs_barrier): Handle bsp reads and writes.
868 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
869 New static variables.
870 (process_set, process_for_unwind_directive): New functions.
871 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
872 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
873 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
875 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
876 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
877 (struct machine_function): Define.
878 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
880 2000-04-25 Bruce Korb <bkorb@gnu.org>
882 * fixinc/Makefile.in: make the removal of old programs more
884 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
885 install-bin and install-sh
887 2000-04-25 Nick Clifton <nickc@cygnus.com>
889 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
890 defined, define to return zero.
891 (function_cannot_inline_p): If a function has any target
892 specific attributes, then use the macro
893 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
894 whether it can be inlined. If it cannot, issue a suitable
897 * tm.texi: Add a new node 'Inlining' to document the new macro
898 FUNCTION_ATTRIBUTE_INLINABLE_P.
900 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
902 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
905 2000-04-25 Neil Booth <NeilB@earthling.net>
907 Restore previous patch, plus the following fixes:
909 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
910 flags, not CPP_OPEN_PAREN.
911 * cpplex.c (expand_token_space, init_token_list,
912 cpp_free_token_list): Put the dummy token at list->tokens[-1].
913 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
915 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
917 * config/i386/freebsd.h (INT_ASM_OP): Define.
919 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
921 * loop.c (strength_reduce): Fix typo in the last checkin.
923 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
925 * stor-layout.c (finalize_record_size): Simplify to use existing
927 (compute_record_mode): No longer static.
928 * tree.h (compute_record_mode): New declaration.
930 2000-04-25 Neil Booth <NeilB@earthling.net>
932 * Revert my patch below until cause of build failures
935 2000-04-25 Richard Henderson <rth@cygnus.com>
937 * combine.c (combine_instructions): Add missing argument
940 * toplev.c (rest_of_compilation): Delay sibcall optimization
941 until after emit_eh_context.
943 2000-04-24 Nick Clifton <nickc@redhat.com>
945 * combine.c (combine_instructions): Do not try to combine a
946 sequence of insns when the second insn has been replaced by a
949 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
951 * gcc.c (load_specs): New static function.
952 (read_specs): Use it.
954 * gcc.c (lookup_compiler): Make multiple passes for case
955 insensitive filesystems.
957 2000-04-24 Neil Booth <NeilB@earthling.net>
959 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
960 * cpphash.h (_cpp_check_directive): new.
961 * cpplex.c (handle_newline, cpp_free_token_list,
962 init_trigraph_map, trigraph_ok, trigraph_replace,
963 backslash_start, skip_block_comment, skip_line_comment,
964 skip_whitespace, parse_name, parse_number, parse_string,
965 copy_comment, _cpp_lex_line, spell_char, spell_string,
966 spell_comment, spell_name, spell_other, _cpp_lex_file,
967 _cpp_output_list): new.
968 (expand_name_space): take length argument.
969 (init_token_list): add comment list initialisation.
970 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
971 instead of HSPACE_BEFORE.
973 * cpplib.c (_cpp_check_directive): new
974 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
975 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
976 (HSPACE_BEFORE): delete.
977 (TTYPE_TABLE): rearrange.
978 (struct cpp_toklist): update.
980 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
982 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
983 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
984 argument form of AC_DEFINE.
986 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
987 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
988 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
989 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
990 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
992 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
994 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
996 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
997 deduced.h): Use -isystem, not -I, for including system headers.
999 2000-04-24 Nick Clifton <nickc@cygnus.com>
1001 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
1002 the source register is the frame pointer or arg pointer.
1003 (addsi3_small_int): Disallow if source register is the frame
1004 pointer or arg pointer.
1006 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1008 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
1009 call to AC_MSG_RESULT.
1011 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1013 * invoke.texi: Correct grammatical errors, document
1014 -fno-gnu-keywords as identical to -fno-asm for C++.
1016 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1018 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
1019 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
1020 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
1021 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
1022 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
1024 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
1025 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
1026 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
1027 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
1030 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
1032 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
1033 (pop_alignment): Likewise.
1034 (handle_pragma_token): Likewise.
1036 2000-04-24 Robert Lipe <robertlipe@usa.net>
1038 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
1040 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
1042 * combine.c (try_combine): Update reg_nonzero_bits of
1043 newi2pat before newpat.
1045 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
1047 * loop.c (strength_reduce): Simplify test to INSN_P.
1048 (record_giv): Attempt to simplify the add value, use CONSTANT_P
1049 expressions instead of CONST_INT.
1050 (express_from_1): Likewise.
1052 2000-04-24 Mark Mitchell <mark@codesourcery.com>
1054 * regs.h (reg_n_max): Don't declare.
1055 * flow.c (reg_n_max): Don't define.
1056 * regclass.c (renumber): Don't initialize to zero.
1057 (regno_allocated): Likewise.
1058 (reg_n_max): Define.
1059 (allocate_reg_info): Don't initialize unnecessarily.
1061 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
1063 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
1064 and blockage_p in the newly allocated attribute.
1066 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
1068 * config/mn10300/mn10300.md (addsi): `inc4' on address
1069 registers does not modify cc, but `inc' on an extended
1072 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
1074 * reload.c (find_equiv_reg): Checks all valueno regs
1075 as a reload_reg_p regs.
1077 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
1079 * cpphash.c (collect_objlike_expansion): Add sanity check.
1080 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
1081 the buffer is the empty string, return. Mark __DATE__ and
1082 __TIME__ as XCONST nodes, not MCONST.
1083 (_cpp_macroexpand): Avoid pushing an empty buffer.
1084 (funlike_macroexpand): Don't pop token_buffer here.
1086 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
1088 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
1089 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
1090 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
1091 (REGNO_OK_FOR_BASE_P): Define in terms of them.
1092 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
1093 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
1094 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
1096 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1098 * loop.c (simplify_giv_expr): Be more agressive on simplifying
1101 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
1103 * cpphash.h (struct definition): Move file, line, col members...
1104 (struct hashnode): ... here. Also add 'disabled' flag.
1105 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
1106 T_IDENTITY. Remove T_DISABLED.
1109 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
1110 (collect_expansion): Split into collect_objlike_expansion and
1111 collect_funlike_expansion.
1112 (_cpp_macroexpand): Split out scan_arguments, stringify, and
1113 funlike_macroexpand.
1114 (_cpp_compare_defs): Rename compare_defs, make static.
1115 (_cpp_make_hashnode): Initialize hp->disabled.
1116 (macro_cleanup): Adjust for new token types. Clear
1118 (_cpp_create_definition): Move code here to determine what
1119 sort of macro it is, and code to check for redefinitions, from
1120 do_define. Implement a few simple cases without creating a
1122 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
1123 Handle the simple cases.
1124 (push_macro_expansion): Set buf->has_escapes and hp->disabled
1127 * cppinit.c (builtin_array): Change MCONST to XCONST
1129 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
1130 fix check for disabled and function-like macros.
1131 * cpplib.c (do_define): Move most logic to
1132 _cpp_create_definition.
1133 (do_undef): Handle new special token types.
1135 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
1137 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
1138 of CONSTANT_P for mult_val; always use validate_change to update insn.
1140 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
1142 * cpphash.c (trad_stringify, add_pat): New functions.
1143 (collect_expansion): Restore support for -traditional syntax.
1144 Use trad_stringify and add_pat.
1145 (_cpp_macroexpand): Restore support for -traditional semantics.
1146 * cpplex.c (_cpp_scan_line): Don't change space_before if we
1147 get a COMMENT token.
1148 (_cpp_lex_token): Provide COMMENT tokens to caller if
1149 traditional and parsing_define_directive.
1150 (skip_comment): Warn about // comments if -Wtraditional.
1151 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
1153 (do_undef): Don't warn about undefining EMPTY nodes.
1155 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
1157 * loop.c (strength_reduce): Fix biv removal code.
1159 2000-04-22 Richard Henderson <rth@cygnus.com>
1161 * predict.c (estimate_probability): Examine both sides of
1162 a branch for no exits. Use 90% not 50% for predict taken.
1163 Reorg for one copy of note generation code.
1165 2000-04-22 Richard Henderson <rth@cygnus.com>
1167 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
1169 2000-04-22 Richard Henderson <rth@cygnus.com>
1171 * diagnostic.c (init_output_buffer): Don't initialize format_args.
1172 (output_clear): Likewise.
1173 (output_printf): Use va_copy.
1174 (vline_wrapper_message_with_location): Likewise.
1175 (v_message_with_decl): Likewise.
1176 (line_wrapper_printf): VA_START infor buffer.format_args directly.
1177 * system.h (va_copy): Provide default implementation.
1179 2000-04-22 Richard Henderson <rth@cygnus.com>
1181 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
1182 the collected condition is not a constant.
1184 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
1186 * diagnostic.h: New file.
1188 * Makefile.in (diagnostic.o): Depends on diagnostic.h
1190 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
1191 various function prototypes.
1192 (diagnostic.h): #include.
1193 (struct output_buffer): Move into diagnostic.h.
1194 (get_output_prefix): Rename to output_get_prefix. Export.
1195 (init_output_buffer): Export. Break out. Ajust intialization.
1196 (output_space_left, output_append): Export.
1197 (output_newline): Rename to output_add_newline. Export.
1198 (output_clear): Nullify additional output_buffer fields.
1199 (output_puts): Rename to output_add_string. Export.
1200 (dump_output): Rename to output_flush_on. Export.
1201 (build_location_prefix): Constify return-type.
1202 (emit_output_prefix): Rename to output_emit_prefix. Export.
1203 (set_real_maximum_length): New function.
1204 (output_set_maximum_length): Ditto
1205 (output_clear): Ditto.
1206 (output_add_character): Ditto.
1207 (output_add_integer): Ditto.
1208 (output_add_space): Ditto.
1209 (output_format): Ditto.
1210 (output_printf): Adjust buffer initialization.
1211 (vline_wrapper_message_with_location): Ditto.
1212 (v_message_with_decl): Ditto. Adjust call to output_puts
1213 and get_output_prefix.
1214 (default_print_error_function): Adjust buffer intialization.
1216 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1218 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
1221 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
1223 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
1226 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
1228 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
1229 accurate data about SP moves.
1231 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
1233 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
1234 aliases to AM33 registers.
1236 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
1238 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
1239 to all EXTENDED bitmaps.
1241 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
1243 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
1244 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
1245 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
1247 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
1249 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
1250 the operand is not constant.
1252 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
1254 * reload.c (find_equiv_reg): Checks all valueno and regno regs
1255 as a call-clobbered regs.
1257 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1259 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
1261 * rtl.def: Update comment.
1262 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
1263 * integrate.c (expand_inline_function): Likewise.
1264 * profile.c (branch_prob): Likewise.
1265 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
1266 * print-rtl.c (print_rtx): Likewise.
1267 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
1268 (reemit_notes): Likewise; also use enum insn_note.
1270 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
1271 (place_field): Properly compute know and actual alignment.
1273 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
1276 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
1279 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
1281 * cpphash.c (struct arg, struct arglist): Const-ify strings.
1282 (warn_trad_stringify, duplicate_arg_p): New helper functions.
1283 (collect_expansion): Rewrite to scan over a token list.
1284 Remove -traditional support.
1285 (collect_formal_parameters): Rename to collect_params; rewrite
1286 to scan over a token list.
1287 (_cpp_create_definition): Adjust to scan a token list.
1288 (_cpp_macroexpand): Remove -traditional support.
1289 (_cpp_compare_defs): Whitespace is now canonicalized.
1290 (comp_def_part): Delete function.
1292 * cpphash.h: Update prototypes.
1293 * cpplex.c (init_token_list): Don't set lineno if there is no
1295 (pedantic_whitespace): New function.
1296 (_cpp_scan_line): Mark tokens that had hspace before. Don't
1297 consume a newline. Use pedantic_whitespace.
1298 (_cpp_lex_token): Remove support for -traditional macros.
1299 (_cpp_get_define_token): Delete.
1300 (_cpp_get_directive_token): Do the real work here. Use
1301 pedantic_whitespace.
1302 (_cpp_init_input_buffer): Initialize pfile->directbuf.
1304 * cpplib.c (get_macro_name): Delete.
1305 (do_define): Read the entire line into pfile->directbuf, then
1306 feed the token list to _cpp_create_definition.
1307 * cpplib.h (HSPACE_BEFORE): new define.
1308 (struct cpp_reader): Add a toklist member, "directbuf".
1310 * predict.c (estimate_probability): New heuristic: if a jump
1311 branches around a block with no successors, predict it taken.
1312 Disentangle control flow.
1314 2000-04-20 Richard Henderson <rth@cygnus.com>
1316 * loop.c (emit_iv_add_mult): Revert last change.
1318 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1320 * cpplib.h (enum cpp_ttype): Add token types for all
1321 punctuators. Distinguish pp-numbers from valid C numbers.
1322 Give some tokens better names. Initialize from macro.
1323 (struct cpp_name, cpp_token, cpp_toklist): New data
1326 * cpplex.c (bump_column, expand_name_space,
1327 expand_token_space, init_token_list, cpp_output_list,
1328 _cpp_scan_line): New functions.
1329 (output_line_command): Add third argument, new line number.
1330 * cpphash.h: Update prototypes.
1331 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
1334 2000-04-20 Richard Henderson <rth@cygnus.com>
1336 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
1338 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1340 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
1343 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
1345 * loop.c (emit_iv_add_mult): Simplify it's input and emit
1346 REG_EQUAL note explaining the calculated value.
1348 * calls.c (expand_call): Avoid unnecesary precalculation
1349 and outgoing parameters space guarding for sibling calls.
1350 (store_one_arg): Likewise.
1352 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1354 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
1355 (rest_of_compilation): Write sibling dump file and account
1356 for time as jump time.
1357 * invoke.texi: Update documentation on dump flags.
1359 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
1361 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
1363 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
1365 * cpphash.c (special_symbol): Represent an empty macro with
1366 "\r \r " not just "\r ".
1367 (_cpp_macroexpand): Correct condition for the foo ( ) special
1369 (unsafe_chars): Handle EOF as second argument.
1370 (push_macro_expansion): Simplify test for removing escape at
1371 end. Do not trim both escapes if there is no text in between.
1373 2000-04-19 Jim Blandy <jimb@redhat.com>
1375 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
1376 of PTR_SIZE, when appropriate.
1378 2000-04-19 Mark Mitchell <mark@codesourcery.com>
1380 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
1381 (USE_ENUM_BITFIELDS): Fix typo.
1383 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1385 * stor-layout.c (place_field): Set rli->offset_align properly.
1387 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1389 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
1390 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
1391 PARM_BOUNDARY): Remove unnecessary casts.
1393 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
1395 * calls.c (precompute_arguments): Remove must_preallocate and
1397 (expand_call): Update call of precompute_arguments.
1399 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
1400 check_insn_for_givs): Break out from ...
1401 (strength_reduce) ... here; use for_every_insn_in_loop to call
1402 check_insn_for_givs.
1403 * loop.h (for_every_insn_in_loop): Declare.
1404 (loop_insn_callback): New type.
1406 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1408 * cpplib.c (do_pragma_poison): Strings in the token buffer are
1411 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
1413 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
1416 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1418 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
1420 * configure.in: Delete --disable-cpplib option and all
1421 references to cpp_main.
1422 * configure: Regenerate.
1423 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
1424 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
1425 cccp.o, cccp, or cppmain. Link cppmain.o straight to
1426 cpp$(exeext). Add --no-headers to makeinfo command line when
1427 generating INSTALL. Install and uninstall cpp.1 manpage, not
1429 * install.texi: Delete all references to cexp.y/cexp.c.
1430 Delete ancient instructions for compiling GCC on 3b1.
1431 * INSTALL: Regenerate.
1433 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
1434 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
1435 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
1437 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
1438 which is no longer tested anywhere.
1440 * cppinit.c (handle_option): Don't run error message through
1443 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1445 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
1446 * cpperror.c (hashtab.h): Now include.
1447 * cppexp.c (hashtab.h): Likewise.
1448 * cpplex.c (hashtab.h): Likewise.
1449 * cppfiles.c (hashtab.h): Likewise.
1450 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
1451 to htab_find_slot_with_hash.
1452 * cpphash.c (hashtab.h): Now include.
1453 (_cpp_lookup_slot): INSERT is now enum insert_option.
1454 * cpphash.h (_cpp_lookup_slot): Likewise.
1455 * cppinit.c (hashtab.h): Include earlier.
1456 (initialize_builtins): Pass enum to htab_find_slot.
1457 * cpplib.c (hashtab.h): Now include.
1458 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
1459 (do_pragma_poison, do_assert): Likewise.
1460 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
1461 htab_find_slot_with_hash.
1462 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
1463 * tree.c (type_hash_add): Likewise.
1464 (build1): Minor cleanup.
1466 * ggc-common.c: Add missing blanks.
1467 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
1468 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
1470 * stmt.c (mark_case_node): New function.
1471 (mark_case_nesting): Call it.
1473 * expmed.c (emit_store_flag): If comparing two-word integer
1474 with zero, can optimize NE, EQ, GE, and LT.
1476 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
1477 * conflict.c: Minor cleanups.
1478 * optabs.c: Add blank line
1479 * simplify-rtx.c: Minor cleanups.
1481 2000-04-18 Stan Cox <scox@cygnus.com>
1483 * gengenrtl.c (genlegend): Fix misspelling.
1485 2000-04-18 Robert Lipe <robertlipe@usa.net>
1487 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
1488 bitfields of the host compiler are not signed quantities.
1489 * config.in: Regenerate.
1490 * configure: Regenerate.
1491 * system.h (USE_ENUM_BITFIELDS): Added.
1492 (ENUM_BITFIELDS): Added.
1493 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
1494 (SHORT_ENUM_BUG): Deleted.
1495 * tree.h (tree_common): Members `code', `mode', `built_in_class',
1497 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
1498 (CODE_FIELD_BUG): Likewise.
1499 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
1501 * config/m68k/x-ccur (X_CFLAGS): Likewise.
1503 2000-04-18 Mark Mitchell <mark@codesourcery.com>
1505 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
1508 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1510 * cppexp.c (lex): Don't assume tokens are NUL terminated.
1511 * cpplib.c (do_include, do_import, do_include_next,
1512 read_line_number, detect_if_not_defined): Likewise.
1513 * cpphash.c (collect_expansion): Likewise.
1514 (special_symbol, _cpp_macroexpand): Check return from
1516 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
1517 macros. Delete all uses.
1519 * gcc.dg/cpp-mi.c: Add two more test cases.
1520 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
1522 2000-04-17 Richard Henderson <rth@cygnus.com>
1524 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
1525 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
1527 2000-04-17 Mark Mitchell <mark@codesourcery.com>
1529 * function.c (expand_function_start): Use hard_function_value to
1530 compute the RTL to use for DECL_RESULT.
1532 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
1534 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
1535 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1536 x86_memory_mismatch_stall): New global variables.
1537 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
1538 alloved; fix load penalties for Athlon.
1539 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1540 x86_memory_mismatch_stall): Declare.
1541 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
1542 TARGET_MEMORY_MISMATCH_STALL): New.
1543 * i386.md (athlon scheduling parameters): Fix latencies according to
1544 Athlon Optimization Manual.
1545 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
1547 (fsqrt instruction patterns): Set athlon_decode to direct.
1548 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
1549 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
1550 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
1551 and TARGET_PARTIAL_REGISTER_STALL machines.
1552 (pushdf_nointeger): New pattern.
1553 (pushdf_integer): Rename from pushdf.
1554 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
1555 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
1557 2000-04-17 Richard Henderson <rth@cygnus.com>
1559 * loop.c (canonicalize_condition): Add WANT_REG argument.
1560 Stop the search if we match it.
1561 * expr.h (canonicalize_condition): Update decl.
1562 * predict.c (expected_value_to_br_prob): Use it. Track last
1563 expected value note.
1564 (find_expected_value): Remove.
1566 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
1568 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1570 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
1571 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
1573 * configure.in: Call AC_FUNC_MMAP_FILE.
1574 * configure: Regenerate.
1575 * config.in: Regenerate.
1577 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
1578 * fixinc/fixincl.c: Likewise.
1580 2000-04-17 Richard Henderson <rth@cygnus.com>
1582 * builtins.c (expand_builtin_expect): New.
1583 (expand_builtin): Call it.
1584 * builtins.def (BUILT_IN_EXPECT): New.
1585 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
1586 * extend.texi: Document it.
1588 * predict.c (expected_value_to_br_prob): New.
1589 (find_expected_value): New.
1590 * basic-block.h (expected_value_to_br_prob): Declare.
1591 * toplev.c (rest_of_compilation): Invoke it.
1593 * rtl.h (NOTE_EXPECTED_VALUE): New.
1594 (NOTE_INSN_EXPECTED_VALUE): New.
1595 * rtl.c (note_insn_name): Update.
1596 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
1597 cases; handle NOTE_INSN_EXPECTED_VALUE.
1599 2000-04-17 Jakub Jelinek <jakub@redhat.com>
1601 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
1602 leaf sibcall delay slot if flag_pic.
1603 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
1605 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1607 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
1609 * fixproto: If fix-header fails, exit with an error.
1611 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1613 * cse.c (struct check_depdendence_data): New.
1614 (check_dependence): New function.
1615 (invalidate): Use check_depdenence.
1617 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1619 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
1620 UNITS_PER_WORD is unsigned.
1622 * tree.h (struct tree_common): Remove misleading comment.
1624 2000-04-16 Dave Pitts <dpitts@cozx.com>
1626 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
1627 message in quotes. Otherwise, IBM's make program treats the '#' as the
1628 start of a comment and ignores the remainder of the line.
1630 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
1632 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
1633 * cexp.y (initialize_random_junk): Likewise.
1634 * cppfiles.c (find_include_file): Cast alloca return value.
1635 * cppinit.c (initialize_standard_includes): Likewise.
1636 * cpplib.c (cpp_define, cpp_undef): Likewise.
1637 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
1638 * final.c (output_asm_insn): Allow for holes in EBCDIC.
1639 * fold-const.c (CHARMASK): New.
1640 (real_hex_to_f): Use it.
1641 * real.c (CHARMASK): New.
1642 (etoasc, asctoeg): Use it.
1643 (asctoeg): EBCDIC lower case characters preceed upper case.
1645 * i370.c (mvs_add_label): Change spacing for coding conventions.
1646 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
1647 outputing case vectors.
1648 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
1649 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
1650 since vector in in the data CSECT.
1651 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
1652 * i370.md (Many patterns): Put the length in the XL directives.
1653 (movdi): Put back STM and MVC in definition.
1654 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
1655 pattern using the TCA.
1656 * oe.h (CPP_SPEC): Added to allow trigraphs.
1657 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
1658 not support the "long long" type.
1660 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1662 * config/mips/mips-protos.h (mips_legitimate_address_p): New
1664 (mips_reg_mode_ok_for_base_p): Likewise.
1665 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
1666 (REG_OK_FOR_INDEX_P): Define unconditionally.
1667 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
1668 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
1669 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
1670 that GET_MODE_SIZE is unsigned.
1671 (mips_reg_mode_ok_for_base_p): Define.
1672 (mips_legitimate_address_p): Likewise. Adjust now
1673 that GET_MODE_SIZE is unsigned.
1674 (block_move_loop): Make the number of bytes unsigned.
1675 (expand_block_move): Likewise.
1676 (function_arg): Make the loop counter unsigned to match the
1679 2000-04-16 Richard Henderson <rth@cygnus.com>
1681 * rtl.h (enum insn_note): New enumeration. Subsume
1682 NOTE_INSN_DELETED and friends.
1683 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
1684 * rtl.c (note_insn_name): Tweak string order.
1686 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
1688 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
1691 * cpplex.c (output_line_command): Remove debugging prints.
1692 (cpp_output_tokens): Don't write out a zero-length buffer or
1693 try to see if it has a newline in it.
1694 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
1695 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
1696 the end of the loop. Use memmove. Don't read past the end of
1697 the buffer. Remove trailing newlines from error messages.
1699 2004-04-16 Neil Booth <NeilB@earthling.net>
1701 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
1702 * cpplib.c: Add new syntax flags to directive table, and
1705 2000-04-15 Ulrich Drepper <drepper@redhat.com>
1707 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
1710 2000-04-15 David Edelsohn <edelsohn@gnu.org>
1712 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
1713 * haifa-sched.c: Update -fsched-verbose comments to use "=".
1715 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1717 * Makefile.in (ggc-page.o): Now includes toplev.h.
1718 * ggc-page.c (toplev.h): Now included.
1719 (gc_time): Remove declaration.
1720 (ggc_collect): TIME now long.
1721 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
1723 * toplev.h (gc_time, parse_time, gc_time): New declarations.
1725 * toplev.c: Make *_time variable long to reduce chance of overflow.
1726 (TIMEVAR): Likewise for `otime'.
1727 (print_time): Arg is now long; compute percentage in FP and round.
1728 * toplev.h (print_time): Arg is long.
1730 * tree.c: Minor whitespace changes.
1732 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
1733 * configure: Rebuilt.
1734 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
1735 (__fixunsxfDI): Renamed from __fixunsxfdi.
1736 (__fixunsdfDI): Renamed from __fixunsdfdi.
1737 (__fixunssfDI): Renamed from __fixunssfdi.
1738 (__floatdisf): Use proper type in REP_BIT macro.
1739 (__fixunsxfSI): Renamed from __fixunsxfsi.
1740 (__fixunsdfSI): Renamed from __fixunsdfsi.
1741 (__fixunssfSI): Renamed from __fixunssfsi.
1742 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
1743 Change location of macros and upper-case some names as above.
1744 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
1745 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
1747 * varasm.c (assemble_variable): Add cast to remove warning.
1748 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
1750 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
1751 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
1752 region number to -1.
1754 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
1756 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
1757 call unshare_all_rtl.
1759 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
1761 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
1763 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
1764 Use .s1 not .s0 for all FP instructions.
1766 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
1768 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
1770 (safe_fwrite, output_line_command): New static functions.
1771 (cpp_expand_to_buffer): Now private to cpplib.
1772 (cpp_scan_buffer): Take a printer.
1774 * cpphash.h: Update prototypes.
1775 * cpplib.h: Update prototypes.
1777 (cpp_buffer): Remove last_nominal_fname.
1778 (cpp_reader): Remove lineno.
1780 * cppmain.c: Use a cpp_printer.
1781 * fix-header.c: No need to inhibit line commands. Call
1782 cpp_start_read with no printer.
1784 * cpperror.c (cpp_notice_from_errno): Provide default name.
1785 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
1786 (find_include_file, cpp_read_file): Use make_IHASH.
1787 (file_cleanup): Set control_macro and clear
1788 input_stack_listing_current here.
1789 (_cpp_execute_include): Don't output entering-file marker.
1790 * cpphash.c (special_symbol): Look for the line number in the
1791 buffer, not the reader.
1792 (_cpp_macroexpand): No need to disable line commands.
1793 (_cpp_dump_definition): No need to generate line commands.
1794 (dump_hash_helper): Remove excess newline from output.
1795 * cppinit.c (dump_special_to_buffer): No need to generate line
1797 (cpp_printer_init): New.
1798 (cpp_start_read): Take a printer, and start it up if it's not
1799 NULL. No need to generate line commands.
1800 (cpp_finish): Expect no buffers stacked at all. Take a
1801 printer argument, and flush the output buffer if it's not
1803 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
1804 Don't put two hashes at the beginning of an assertion.
1805 (cpp_get_token): Don't increment pfile->lineno or emit line
1806 commands here. Return EOF if there's no buffer when we get
1808 * cpplib.c (do_define, skip_if_group):
1809 No need to disable line commands.
1810 (_cpp_output_line_command): Delete function.
1811 (do_line): Don't emit line commands here, but set things up so
1812 they will be emitted if necessary. Use _cpp_fake_ihash to
1813 make unique nominal_fnames if necessary.
1814 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
1815 with 0 for column, not -1.
1816 (_cpp_handle_eof): Don't set the control macro here. Don't
1817 clear input_stack_listing_current here. Don't emit line
1820 2000-04-14 Geoff Keating <geoffk@cygnus.com>
1822 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
1823 always, use the default SVR4 start address.
1825 * config/rs6000/linux.h (LINK_SPEC): Don't define.
1826 (LINK_SHLIB_SPEC): Define.
1827 (LINK_START_DEFAULT_SPEC): Define.
1828 (LINK_OS_DEFAULT_SPEC): Define.
1830 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
1832 * config/rs6000/eabi.asm (__eabi): Call __init rather than
1833 __do_global_ctors to handle constructors.
1834 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
1835 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
1836 (STARTFILE_MVME_SPEC): Likewise.
1837 (STARTFILE_SIM_SPEC): Likewise.
1838 (ENDFILE_ADS_SPEC): Use crtend.
1839 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
1840 (ENDFILE_MVME_SPEC): Likewise.
1841 (ENDFILE_SIM_SPEC): Likewise.
1842 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
1843 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
1844 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
1845 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
1846 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
1847 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
1848 (CRTSTUFF_T_CFLAGS_S): Define.
1849 * config/rs6000/eabi-ctors.c: Delete.
1851 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
1854 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
1858 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
1860 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
1861 plus mask size is smaller or equal to the mode size.
1863 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1865 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
1868 * expr.c (reload.h): Now included.
1869 (emit_block_move): Set volatile_ok when checking for movstr.
1870 (emit_move_1): Check for replacements in addresses in multi-word case.
1871 * Makefile.in (expr.o): Now includes reload.h.
1873 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
1874 Never have a LIBCALL end a basic block.
1875 (find_basic_blocks_1): Likewise.
1876 Reorganize CALL_INSN cases.
1878 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
1880 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
1882 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
1883 completers from mov.ret instruction.
1885 2000-04-14 Richard Henderson <rth@cygnus.com>
1887 * fold-const.c (extract_muldiv): Don't distribute and widen
1888 multiply across plus for non-sizetype unsigned types.
1890 2000-04-14 Richard Henderson <rth@cygnus.com>
1892 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
1893 If the original source is dead in the incr insn, it's dead now.
1895 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1897 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
1898 see if DECL_BIT_FIELD needs to still be set.
1900 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
1902 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
1903 print_int_cst_octal with something that's not an INTEGER_CST.
1905 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
1906 and not a SUBREG to a FLOAT rtl.
1908 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
1910 * emit-rtl.c (try_split): Avoid infinite loop if the split
1911 results in a sequence that contains the original insn.
1913 2000-04-13 Andreas Jaeger <aj@suse.de>
1915 * config/mips/mips.c (expand_block_move): Pass alignment
1916 argument to move_by_pieces in bits, not bytes.
1918 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
1919 __pic__ for little endian.
1921 2000-04-13 Andreas Jaeger <aj@suse.de>
1923 * config/i386/i386-protos.h: Add prototype for
1924 uno_comparison_operator.
1926 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1928 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
1929 * calls.c (ECF_PURE): New flag.
1930 (emit_call_1): Handle ECF_PURE calls.
1931 (initialize_argument_information): Unset ECF_PURE flag too.
1932 (precompute_arguments): Precompute for ECF_PURE too.
1933 (expand_call): Handle ECF_PURE calls too.
1934 (emit_library_call_value_1): Rename no_queue argument to fn_type,
1935 accept value of 2 as pure function.
1936 (emit_library_call_value, emit_library_call): Rename no_queue argument
1938 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
1940 * tree.h (DECL_IS_PURE): New macro.
1941 (struct tree_decl): Add pure_flag.
1942 * c-common.c (enum attrs): Add attribute "pure".
1943 (init_attributes): Initialize attribute "pure"
1944 (decl_attributes): Handle attribute "pure".
1945 * extend.texi (Attribute "pure"): Document.
1946 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
1948 (flags_from_decl_or_type): Support attribute "pure".
1950 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
1952 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
1953 the token except for numbers and identifiers.
1955 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
1957 * i386.c (ix86_expand_binary_operator,
1958 ix86_expand_unary_operator): Check no_new_pseudos
1959 instead of reload_in_progress and reload_completed.
1960 (ix86_split_ashldi, ix86_split_ashrdi,
1961 ix86_split_lshrdi): Check no_new_pseudos instead
1962 of reload_completed.
1964 2000-04-12 Jeffrey A Law (law@cygnus.com)
1966 * function.c (purge_addressof): Unshare any shared rtl created by
1967 purge_addressof and its children.
1969 2000-04-12 Mark Mitchell <mark@codesourcery.com>
1971 * function.c (aggregate_value_p): VOID_TYPE nodes are never
1974 2000-04-05 Andreas Jaeger <aj@suse.de>
1976 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
1977 not compiling PIC code, add flags for mabi=64.
1978 (SUBTARGET_CPP_SIZE_SPEC): New.
1979 (SUBTARGET_CPP_SPEC): New.
1980 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
1981 for MIPS/Linux and lots of code needs these defines.
1983 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
1985 * reorg.c (fill_slots_from_thread): Check side_effects_p when
1986 trying the "opposite arithmetic" approach.
1988 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1990 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
1991 (struct sh_args): Add new field force_mem.
1992 (INIT_CUMULATIVE_ARGS): Initialize it.
1993 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
1995 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
1997 * calls.c (expand_call): Do not reverse args in "equal from" field.
1998 (emit_library_call_value_1): Emit_libcall_block for const and pure
2001 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2003 * reload1.c (reload_combine): Don't enable optimization for fixed
2004 registers when encountering a BARRIER.
2006 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
2008 * builtins.c (expand_builtin_memcmp): Do expansion even with
2009 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
2011 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
2012 stack is propertly aligned; add sanity checking for aligned
2014 (expand_library_call_value_1): Add sanity checking for aligned
2017 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
2019 * calls.c (emit_library_call_value_1): Change 3rd arg to
2020 locate_and_pad_parm to disregard the setting of partial.
2022 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2024 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
2026 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
2027 CALL_INSN from the normal case.
2029 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
2031 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
2032 New global variables.
2033 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
2035 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
2037 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
2038 TARGET_ADD_ESP_8): New macros.
2039 * i386.md: Add peep2s to convert esp adjustments to push and pop
2041 (pushsi_prologue, popsi_epilogue): New patterns.
2043 2000-04-12 Jakub Jelinek <jakub@redhat.com>
2045 * real.c (toe64): Remove stale #endif from the last change.
2047 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
2049 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
2050 * real.c (toe64): Revert previous change.
2052 2000-04-12 Jakub Jelinek <jakub@redhat.com>
2054 * objc/objc-act.c: Include ggc.h.
2055 (objc_tree_index, objc_global_trees): Convert most of the
2056 static tree variables into a static array with previous names
2058 (objc_ellipsis_node): New variable.
2059 (lang_init): Call objc_act_parse_init and c_parse_init.
2060 Create objc_ellipsis_node.
2061 (build_selector_translation_table): Use objc_ellipsis_node instead
2063 (hack_method_prototype): Likewise.
2064 (get_arg_type_list): Likewise.
2065 (start_method_def): Likewise.
2066 (continue_method_def): Likewise.
2067 (gen_method_decl): Likewise.
2068 (ggc_mark_imp_list): New function.
2069 (ggc_mark_hash_table): New function.
2070 (objc_act_parse_init): New function.
2071 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
2072 * c-parse.in (c_parse_init): For objc add roots of objc specific
2073 local tree variables.
2074 * objc/objc-parse.y: Rebuilt.
2075 * objc/objc-parse.c: Rebuilt.
2076 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
2078 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
2080 * cse.c (delete_trivially_dead_insns): Also delete insns
2081 that copy a register to itself where the destination is
2084 2000-04-11 Richard Henderson <rth@cygnus.com>
2086 * flow.c (struct propagate_block_info): Add new_dead, new_live.
2087 (propagate_block): Initialize them. Use them in parallel instead
2088 of one tmp variable, ie revert much of the 0408 and 0407 functional
2089 changes, but keep the structural changes.
2090 (mark_set_regs): Take new_dead from propagate_block_info instead.
2091 (mark_set_1, mark_set_reg): Likewise.
2092 (mark_used_regs): Likewise with new_live.
2093 (mark_used_reg): Likewise. Revert 0408 change.
2095 2000-04-11 Nick Clifton <nickc@cygnus.com>
2097 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
2099 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
2101 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2103 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
2104 const section to output a CONSTRUCTOR based on the same conditions
2107 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
2109 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
2110 * pa/pa-protos.h (output_call): Add additional argument indicating
2111 if the call is a sibling/tail call.
2112 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
2113 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
2114 (function_arg, function_arg_partial_nregs): Likewise
2115 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
2116 (emit_move_sequence): Zero extend certain constants as needed
2118 (compute_zdepdi_operands, output_64bit_and): New functions.
2119 (output_64bit_ior, function_arg): Likewise.
2120 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
2121 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
2122 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
2123 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
2124 (output_bvb): Likewise.
2125 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
2126 (output_call): New argument 'sibcall'. Generate sibcall sequences
2128 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
2129 (ouput_arg_descriptor): Do not emit argument descriptors for
2131 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
2133 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
2134 (FUNCTION_OK_FOR_SIBALL): Define.
2135 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
2136 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
2137 (CPP_SPEC): Use new spec infrastructure.
2138 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
2139 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
2140 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
2141 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
2142 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
2143 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
2144 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
2145 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
2146 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
2147 (FUNCTION_ARG); Call out to C code.
2148 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
2149 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
2150 (MIN_UNITS_PER_WORD): Likewise.
2151 * pa/pa.md (cmpdi): New expander.
2152 (scc patterns, movstrsi): Not available for TARGET_64BIT.
2153 (64bit conditional arithmetic): New patterns.
2154 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
2155 (movsicc): Not available if modes on all the operands to not match.
2156 (movdicc): New expander and associated patterns.
2157 (64bit branches): New patterns.
2158 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
2159 (pre_ldd, post_std): New patterns.
2160 (64bit addil, load low part): New patterns.
2161 (special movsf constant): Not available for TARGET_64BIT.
2162 (movsf, movdf expanders): Force constants into memory.
2163 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
2164 (64bit movdf/movdi patterns): New patterns.
2165 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
2167 (extendqidi2, extendhidi2, extendsidi2): Similarly.
2168 (adddi3 expander): Allow "arith_operand" for second input.
2169 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
2170 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
2171 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
2172 (muldi3): New expander for TARGET_64BIT.
2173 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
2175 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
2176 patterns for TARGET_64BIT.
2177 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
2178 patterns for TARGET_64BIT.
2179 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
2180 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
2181 (sibcall_epilogue): New expander.
2182 (casesi): Tweak for TARGET_64BIT.
2183 (call expanders): Set & use the outgoing argument pointer. Use the
2184 64bit call patterns as needed. Add additional arg to output_call.
2185 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
2186 (sibcall, sibcall_internal_symref): New expanders.
2187 (sibcall_value, sibcall_value_internal_symref
2188 (interspace_jump): Turn into an expander + matching patterns.
2189 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
2190 * pa/pa64-regs.h: Eliminate trigraph sequences.
2191 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
2193 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
2195 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
2196 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
2197 cpp_token with cpp_ttype everywhere.
2198 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
2199 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
2200 CPP_BUF_COL. Line and column numbers are unsigned int, not
2202 * cpplex.c (cpp_buf_line_and_col): Delete.
2203 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
2204 'long lineno' to 'unsigned int lineno'.
2205 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
2207 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2209 * extend.texi: ISO C99 is not a draft anymore.
2210 * invoke.texi: ISO C++ is not a draft anymore.
2211 * cpp.texi: __cplusplus is required by the ISO standard.
2213 * extend.texi (-fthis-is-variable): Undocument.
2214 * flags.h (warn_template_debugging): Remove declaration.
2215 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
2216 -Wenum-clash, -Wtemplate-debugging): Undocument.
2218 2000-04-10 Nick Clifton <nickc@cygnus.com>
2220 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
2222 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
2224 (ARM_SIGN_EXTEND): Use HOST_UINT.
2225 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
2226 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
2227 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
2228 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
2230 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
2231 (arm_gen_constant): Use HOST_UINT.
2232 (arm_canonicalize_constant): Use HOST_UINT.
2233 (arm_reload_in_hi): Use HOST_UINT.
2234 (arm_reload_out_hi): Use HOST_UINT.
2235 (output_multi_immediate): Use HOST_UINT.
2236 (int_log2): Use HOST_UINT.
2237 (arm_poke_function_name): Use HOST_UINT.
2238 (arm_output_epilogue): Use arm_volatile_func().
2239 (output_thumb_prologue): Use arm_strip_name_encoding().
2241 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2243 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
2244 of sequence point problems.
2246 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
2248 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
2250 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
2252 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2254 * sbitmap.h: Whitespace changes and use upper-case macro args.
2255 (struct simple_bitmap_def): All sizes now unsigned.
2256 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
2257 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
2258 (sbitmap_vector_alloc): Parms and local vars now unsigned.
2259 (sbitmap_zero): Cast bzero arg to PTR.
2260 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
2261 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
2262 loop to make structure clearer.
2263 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
2264 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
2265 (sbitmap_a_and_b_or_c): Likewise.
2266 (sbitmap_intersection_of_succs): Minor cleanups.
2267 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
2268 (sbitmap_union_of_preds): Likewise.
2269 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
2270 (debug_sbitmap): New function.
2272 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
2273 * c-typeck.c (convert_for_assignment): Likewise.
2275 * expmed.c (init_expmed): Don't free objects we make.
2276 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
2278 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
2279 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
2281 * gcse.c (expr_hash_table_size): Now unsigned.
2282 (compute_ae_gen): Local variable `i' now unsigned.
2283 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
2284 (compute_transout, hoist_code): Likewise.
2285 (compute_local_properties): Likewise, also hash_table_size.
2286 (alloc_expr_hash_table): N_INSNS now unsigned.
2287 (delete_null_pointer_checks): Mark arg F as unused.
2289 * regrename.c: Minor cleanups, including chang some variables
2292 2000-04-10 Neil Booth <NeilB@earthling.net>
2294 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
2296 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
2298 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2300 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
2301 __classof__, and __headof__ from the list of gnu keywords.
2302 (-ansi): Remove -foperator-names from list of implied options.
2303 Do not call it ANSI C++.
2304 (-foperator-names): Document as -fno-operator-names.
2306 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
2308 * cpphash.c (timestamp): Delete.
2309 (del_HASHNODE): If type is T_MCONST, free value.cpval.
2310 (special_symbol): Remove unnecessary braces. Remove
2311 T_VERSION. Treat T_STDC like T_CONST unless
2312 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
2313 when one is encountered, then convert them into T_MCONST
2315 * cppinit.c (builtin_array): version_string is T_MCONST.
2316 __STDC__ has a "1" in its cpval. Don't have a terminator
2317 entry. Clean up which entries are dumped.
2318 (initialize_builtins): Only __STDC__ gets the special
2319 -traditional treatment. Count the length of builtin_array.
2320 Render version_string here.
2321 * cpphash.h: Remove T_VERSION. Add T_MCONST.
2322 * cpplib.h (struct cpp_reader): Remove timebuf.
2324 2000-04-09 Richard Henderson <rth@cygnus.com>
2326 * genrecog.c (pred): Update comparison_operator for the unordered
2329 * config/i386/i386.c (no_comparison_operator): Disallow unordered
2331 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
2332 (uno_comparison_operator): New.
2333 (put_condition_code): Handle UNORDERED/ORDERED.
2334 (unsigned_comparison): Likewise.
2335 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
2336 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
2337 (ix86_expand_fp_compare): Use them. Take scratch as argument,
2338 update all callers. Handle all 8 unordered operators.
2339 (ix86_expand_setcc): Lose the unordered argument, update all callers.
2340 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
2341 * config/i386/i386.h (PREDICATE_CODES): Update.
2342 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
2343 (ix86_expand_branch, ix86_expand_setcc): Update.
2344 * config/i386/i386.md (sunordered, sordered): New.
2345 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
2346 (bunordered, bordered): New.
2347 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
2348 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
2349 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
2351 2000-04-09 Philip Blundell <philb@gnu.org>
2353 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
2355 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
2357 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
2358 fix_truncxfhi2): New patterns.
2359 * i386.c (output_fix_trunc): Handle converting to HImode.
2361 2000-04-08 Alex Samuel <samuel@codesourcery.com>
2363 * ssa.c (convert_to_ssa): Eliminate dead code when calling
2365 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
2366 (for_each_successor_phi): Change parameter to basic_block.
2367 (coalesce_regs_in_successor_phi_nodes): Likewise.
2368 (coalesce_regs_in_copies): Likewise.
2369 (compute_coalesced_reg_partition): Use basic_block instead of index.
2370 * rtl.h (convert_to_ssa): Delete.
2371 (convert_from_ssa): Likewise.
2372 (successor_phi_fn): Likewise.
2373 (for_each_successor_phi): Likewise.
2374 (in_ssa_form): Likewise.
2375 * basic-block.h (convert_to_ssa): Moved from rtl.h.
2376 (convert_from_ssa): Likewise.
2377 (successor_phi_fn): Likewise.
2378 (in_ssa_form): Likewise.
2379 (for_each_successor_phi): Likewise. Change parameter to basic_block.
2380 * flow.c (calculate_global_regs_live): Pass a basic_block to
2381 for_each_successor_phi.
2383 2000-04-08 Richard Henderson <rth@cygnus.com>
2385 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
2386 was modified in the current insn.
2388 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2390 * arm/thumb.md: Delete.
2391 * arm/thumb-protos.h: Delete.
2393 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2395 Merge changes from merged-arm-thumb-backend-branch onto trunk.
2397 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2399 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
2402 * arm.md (nop): Use the standard RTL expression. Don't code as a
2404 (*arm_nop, *thumb_nop): Delete.
2406 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
2407 constants. Use casts instead.
2408 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
2409 output_multi_immediate, arm_poke_function_name): Likewise.
2410 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
2411 MASK_RETURN_ADDDR): Likewise.
2413 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
2415 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
2418 * arm.md (eh_epilogue): New function.
2419 * arm.h (struct machine_function): Move to here ...
2420 * arm.c: ... from here.
2421 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
2422 (thumb_exit): Extra parameter eh_ofs. All callers changed.
2423 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
2425 2000-03-30 Nick Clifton <nickc@cygnus.com>
2427 * config/arm/semi.h (ASM_SPEC): Restore definition.
2428 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2430 * config/arm/elf.h (ASM_SPEC): Restore definition.
2431 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2433 * config/arm/arm.h (ASM_SPEC): Remove definition.
2434 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
2436 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
2438 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
2440 2000-03-24 Nick Clifton <nickc@cygnus.com>
2442 Various formating tidyups, elimination of compile time
2443 warnings and synchronisation with internal sources:
2445 * config/arm/arm-protos.h (assemble_align): Add prototype.
2446 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2447 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2448 (arm_return_addr_rtx): Rename to arm_return_addr.
2450 * config/arm/arm.c: Include except.h.
2451 Define shorter typenames for strict minipool_node and struct
2453 (arm_return_in_memory): For WinCE return all structures <= 32 bits
2455 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2456 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2458 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
2460 (ASM_SPEC): Define if not already defined.
2461 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
2463 * config/arm/arm.md: Rename references to gen_rotated_half_load to
2464 arm_gen_rotated_half_load, and references to gen_comapre_reg to
2465 arm_gen_compare_reg.
2466 (indirect_jump): Only accept register operands.
2467 (load_indirect_jump): Keep this pattern since combine can generate
2470 * config/arm/coff.h: Include aout.h.
2471 (MULTILIB_DEFAULTS): Only define if not already defined.
2473 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
2474 into arm.h (so that COFF ports can support thumb based aliases).
2475 (ASM_SPEC): Move definition into arm.h
2477 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
2478 redundant apcs spec.
2479 (ASM_SPEC): Move definition to arm.h
2481 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
2483 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
2484 for entries in the .bss section
2486 2000-03-23 Nick Clifton <nickc@cygnus.com>
2488 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
2489 to thumb_far_jump_used_p.
2491 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
2492 single integer parameter.
2494 * config/arm/arm.c (struct machine_function): Add two new
2495 fields, 'far_jump_used' and 'arg_pointer_live'.
2496 (thumb_far_jump_used_p): Once the decision has been made that
2497 far jumps might be used, always return true.
2498 If being called from the initial elimination offset macro then
2499 do not bother to perform the test if the arg pointer is not
2501 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
2502 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
2504 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
2506 * arm.c (output_return_instruction): Handle more cases where we can
2507 return from a function with an ldr instruction.
2508 (arm_output_epilogue): Likewise.
2510 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
2511 if we need to push a large stack frame and there are no callee-saved
2514 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
2515 in ARM code if the frame pointer has been eliminated.
2517 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
2518 unspec_volatile arguments to avoid duplicates.
2519 (consttable_1, consttable_2): Fixes for big-endian mode.
2521 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
2524 Re-write constant pool code.
2525 * arm.c (minipool_node, minipool_fix): New types.
2526 (minifix): Delete type.
2527 (arm_add_minipool_constant): Delete.
2528 (arm_compute_minipool_offsets, arm_find_barrier,
2529 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
2530 (get_jump_table_size): Now returns HOST_WIDE_INT.
2531 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
2533 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
2534 (assign_minipool_offsets, arm_print_value): Likewise.
2535 (dump_minipool): Rewrite.
2536 (arm_barrier_cost): New function.
2537 (create_fix_barrier): New function.
2538 (push_minipool_barrier): New function.
2539 (push_minipool_fix): Record additional information about the fixup
2541 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
2542 check the mode of what needs fixing.
2543 (arm_reorg): Rewrite.
2545 2000-03-08 Nick Clifton <nickc@cygnus.com>
2547 * config/arm/arm.md (indirect_jump): Force constant addresses into
2550 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
2552 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
2554 2000-02-24 Nick Clifton <nickc@cygnus.com>
2556 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
2557 adjust is word aligned.
2558 (thumb_expand_epilogue): Make sure that stack adjust is word
2561 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
2563 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
2565 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
2566 pointer relative addresses.
2568 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
2570 * arm.c (find_barrier): Find the last barrier within the allowed
2573 2000-02-09 Nick Clifton <nickc@cygnus.com>
2575 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
2577 2000-02-09 Nick Clifton <nickc@cygnus.com>
2579 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
2580 ARM_FUNCTION_PROFILER.
2582 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
2583 ARM_FUNCTION_PROFILER.
2585 * config/arm/linux-oldld.h: Imported from mainline sources.
2587 2000-02-07 Nick Clifton <nickc@cygnus.com>
2589 * config/arm/lib1funcs.asm: Merge in thumb functions from
2592 * config/arm/lib1thumb.asm: Delete.
2594 2000-02-04 Nick Clifton <nickc@cygnus.com>
2596 * config/arm/arm.c: Sychronised with current Red hat local
2598 * config/arm/arm.h: Ditto.
2599 * config/arm/arm-protos.h: Ditto.
2601 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
2603 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
2605 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
2608 2000-02-02 Nick Clifton <nickc@cygnus.com>
2610 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
2612 * config/arm/arm.md (epilogue): Fix rtl checking abort because
2613 (return) was emited using an emit_insn() call.
2615 2000-01-31 Nick Clifton <nickc@cygnus.com>
2617 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
2619 (thumb_exit): Move frame pointer back into hard frame pointer
2620 register if backtracing is being used.
2622 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
2624 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
2627 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
2629 * config/arm/arm.md (neg_pool_offset): Provide default for new
2631 (arm_movsi_insn): Add neg_pool_offset attribute.
2632 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
2633 rtx for the insn that starts the scan and an unsigned long for its
2634 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
2635 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
2636 instructions in *PINSERTED.
2637 (struct minipool_fixup): Add MIN_ADDRESS elt.
2638 (sort_fixups): Compute it.
2639 (arm_reorg): Changes to support inserting pools before the insn to be
2642 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
2644 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
2645 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
2646 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
2648 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
2650 * config/arm/semi.h (TARGET_VERSION): Do not define if already
2652 (TARGET_DEFAULT): Do not define if already defined.
2654 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
2656 * config/arm/arm.md (anddi3): Allow disjoint source operands.
2657 (iordi3): Allow disjoint source operands.
2658 (xordi3): Allow disjoint source operands.
2659 (negdi2): Permit construction for ARM and Thumb.
2660 (arm_negdi2): Renamed version of old negdi2 pattern.
2661 (thumb_negdi2): New pattern: Only permit non-overlapping
2662 source and destination.
2664 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
2666 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
2667 scratch low register so that it will not be deleted.
2669 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
2671 * config/arm/pe.h (ARM_PE): Define.
2673 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
2674 interfacearm attribute if this is a PE toolchain.
2675 (output_return_instruction): Do not emit anything if the function
2676 has the naked attribute set.
2677 (is_called_in_ARM_mode): If the function has the interfacearm
2678 attribute then return true.
2679 (thumb_expand_prologue): Do not generate a prologue for naked
2681 (thumb_expand_epilogue): Do not generate an epilogie for a naked
2683 (output_thumb_prologue): Do not bother if the function is naked.
2684 Strip PE encoding from function name before emitting.
2686 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
2688 * arm.md (pic_load_addr): Fix constraints.
2690 * arm.md (casesi_insn): Fix mis-applied patch.
2692 * arm.md ("core" function unit): Add rules for single- and
2694 (All TARGET_THUMB patterns): Add "type" attribute information
2696 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
2697 the following insn is a CALL.
2699 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
2701 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
2702 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
2703 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
2705 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
2707 * config/arm/linux-gas.h: oops - this file was missed out when the
2708 branch was created...
2710 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
2712 * thumb.c: Deleted. Move contents to ...
2714 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
2716 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
2719 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
2720 declare a prototype for asm_output_align();
2722 * arm.c (thumb_condition_code): Delete.
2723 (arm_print_operand): Always use arm_condition_code array.
2725 * arm.c (thumb_return_addr_rtx): Delete.
2726 (arm_save_machine_status, arm_restore_machine_status): Delete.
2727 (arm_init_machine_status, arm_mark_machine_status): New functions.
2728 (arm_init_expanders): Update accordingly.
2729 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
2730 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
2731 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
2733 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
2735 * configure.in : Fix arm-*-aout target to use new t-arm-aout
2737 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
2740 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
2742 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
2743 stack backtrace structure.
2745 * config/arm/arm-protos.h: Add prototypes for functions defined in
2748 * config/arm/arm.c (arm_override_options): Fix selection of
2749 attributes of default processor.
2751 * config/arm/coff.h: Delete needless #include.
2753 * config/arm/pe.c: Delete unused code.
2755 * config/arm/pe.h (CPP_DEFINES): Delete
2756 (SUBTARGET_CPP_SPEC): Define.
2757 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
2759 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
2761 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
2763 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
2765 (CAN_DEBUG_WITHOUT_FP): Define.
2766 (FIXED_REGISTERS): Make r11 call-saved.
2767 (CALL_USED_REGISTERS): Likewise.
2768 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
2769 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
2770 frame-pointer is required.
2771 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
2772 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
2773 if the target normally needs a stack frame in non-leaf functions.
2774 (use_return_insn): Correct logic for determining when a return
2775 instruction can be used.
2776 (output_return_instruction): Handle the frame-pointer register as
2777 a normal register when not TARGET_APCS_FRAME.
2778 (arm_output_prologue): Likewise.
2779 (arm_output_epilogue): Likewise.
2780 (output_func_epilogue): Likewise.
2781 (arm_expand_prologue): Likewise.
2782 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
2784 * arm.c (use_return_insn): No need to check floating point regs if
2786 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
2787 the code of value stored in the minipool array.
2788 (arm_add_minipool_constant): Likewise.
2790 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2792 * basic-block.h (conflict_graph_enum_fn): K&R fix.
2794 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2796 * tree.c (tree_expr_nonnegative_p): New function.
2798 * tree.h (tree_expr_nonnegative_p): Declare.
2800 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
2801 elide some sign_compare warnings.
2802 (build_conditional_expr): Likewise.
2804 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
2806 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
2808 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
2809 * i386.c (print_operand): Use the proper suffix for a 387 HImode
2810 operand. Abort if a 387 operand has an unsupported size.
2812 2000-04-08 Neil Booth <NeilB@earthling.net>
2814 * cppexp.c (parse_charconst): Null does not end character
2816 * cppinit.c (ISTABLE): Null character handled as whitespace.
2817 * cpplex.c (null_warning): new function.
2818 (skip_string): Emit warning if nulls encountered.
2819 (_cpp_skip_hspace): Emit warning if nulls encountered.
2820 (_cpp_lex_token): Emit warning if nulls encountered. Drop
2824 2000-04-07 Richard Henderson <rth@cygnus.com>
2826 * flow.c (loop_depth): Remove.
2827 (reg_next_use, cc0_live, mem_set_list): Replace with ...
2828 (struct propagate_block_info): New.
2829 (life_analysis): Don't allocate reg_next_use.
2830 (propagate_block_delete_insn): Break out of propagate_block.
2831 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
2832 (propagate_block_delete_libcall): Likewise.
2833 (propagate_block): Create a propagate_block_info struct to pass
2834 to subroutines. Allocate one not two temporary regsets. Don't
2835 clobber memory for const calls. Look for clobbers in
2836 CALL_INSN_FUNCTION_USAGE.
2837 (mark_set_regs): Recognize COND_EXEC.
2838 (mark_set_reg): Break out of mark_set_1.
2839 (mark_used_reg): Break out of mark_used_regs.
2840 (mark_used_regs): Recognize COND_EXEC.
2841 (insn_dead_p): Use propagate_block_info struct.
2842 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
2843 (find_auto_inc, try_pre_increment_1): Likewise.
2844 (print_rtl_with_bb): Dump regs live at end too.
2845 (count_reg_sets_1): Pass in loop_depth.
2846 (count_reg_sets, count_reg_references): Likewise.
2847 (recompute_reg_usage): Provide it.
2849 2000-04-07 Richard Henderson <rth@cygnus.com>
2851 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
2854 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
2856 * cpplib.c (do_elif): Skip the rest of the line if we're
2857 not going to bother evaluating it.
2858 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
2859 to avoid pointless calls to the lexer.
2861 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
2863 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
2865 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
2867 * calls.c (expand_call): emit_queue if we're trying a sibcall.
2869 2000-04-07 Jakub Jelinek <jakub@redhat.com>
2871 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
2873 2000-04-06 Geoff Keating <geoffk@cygnus.com>
2875 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
2876 crtend so they can be multilibbed.
2877 (STAGESTUFF): Remove s-crt and s-crtS.
2879 2000-04-07 Richard Henderson <rth@cygnus.com>
2881 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
2882 if we discover we need a pseudo and no_new_pseudos is true.
2883 * config/alpha/alpha.md (ne:DI insn): New.
2884 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
2886 2000-04-07 Richard Henderson <rth@cygnus.com>
2888 * rtl.def (COND_EXEC): New.
2889 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
2890 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
2892 * genconfig.c (have_cond_arith_flag): Remove.
2893 (have_cond_exec_flag): New.
2894 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
2895 (main): Print HAVE_conditional_execution.
2897 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
2898 (sched_analyze_insn, print_pattern): Likewise.
2899 * reload.c (find_equiv_reg): Likewise.
2900 * rtlanal.c (reg_referenced_p): Likewise.
2901 (note_stores, dead_or_set_regno_p): Likewise.
2902 (reg_overlap_mentioned_p): Rewrite to use a switch.
2904 * ggc.h (struct rtx_def): Forward declare.
2906 * print-rtl.c (debug_rtx_range): New.
2907 * rtl.h (debug_rtx_range): Declare.
2909 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
2911 * gcse.c (gcse_main): Don't rebuild the CFG here.
2912 (delete_null_pointer_checks): Likewise.
2913 * ssa.c (convert_to_ssa): Likewise.
2914 * toplev.c (rest_of_compilation): Do it here instead. Combine
2915 sequential calls to TIMEVAR. Consistently use `insns' instead of
2916 `get_insns()'. Always split insns after reload when optimizing.
2918 * basic-block.h (merge_blocks_nomove): Declare.
2919 (tidy_fallthru_edge): Declare.
2920 * flow.c (merge_blocks_nomove): Document as merging into previous
2921 blocks. Remove cruft from between blocks; remove all edges out of A.
2922 (tidy_fallthru_edge): Export.
2924 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2926 * ssa.c (compute_conservative_reg_partition): Declare with
2928 * toplev.c (clean_dump_file): Remove previously-deleted function
2929 inadvertantly merged back in.
2930 * conflict.c (conflict_graph_add): Use a single call to
2931 htab_find_slot to look up and insert.
2933 2000-04-06 Richard Henderson <rth@cygnus.com>
2935 * genrecog.c (*): Rename _last_insn to last_insn.
2936 (make_insn_sequence): Set the position of the peephole2 C test
2937 to be at the last insn.
2939 2000-04-06 Richard Henderson <rth@cygnus.com>
2941 * flow.c (compute_flow_dominators): Free worklist.
2943 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
2945 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
2947 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2949 * rtl.h (INSN_P): New macro.
2950 (successor_phi_fn): New typedef.
2951 (for_each_successor_phi): New prototype.
2952 (in_ssa_form): New variable.
2953 (PHI_NODE_P): Likewise.
2954 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
2955 phi nodes in successors.
2956 (mark_used_regs): Add PHI case.
2957 (set_phi_alternative_reg): New function.
2958 (life_analysis): Assert that dead code elimination is not selected
2960 * toplev.c (to_ssa_time): New variable.
2961 (from_ssa_time): Likewise.
2962 (compile_file): Zero to_ssa_time and from_ssa_time.
2963 Print time to convert to and from SSA.
2964 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
2965 (print_time): Compute percent fraction as integer.
2966 * ssa.c (PHI_NODE_P): Moved to rtl.h.
2967 (convert_to_ssa): Check if we're already in SSA.
2968 Don't eliminate dead code in life_analysis.
2969 Rerun flow and life analysis at bottom.
2970 (eliminate_phi): Use canonical regnos when adding nodes.
2971 (mark_reg_in_phi): New function.
2972 (mark_phi_and_copy_regs): Likewise.
2973 (convert_from_ssa): Rerun life analysis at top.
2974 Use coalesced partition.
2975 Check for removing a phi node at the end of the block.
2976 (compute_coalesced_reg_partition): New function.
2977 (coalesce_regs_in_copies): Likewise.
2978 (coalesce_reg_in_phi): Likewise.
2979 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
2980 (for_each_successor_phi): Likewise.
2981 (rename_context): New struct.
2982 (rename_block): Use a rename_context with rename_insn_1. When
2983 renaming sets of a subreg, emit a copy of the entire reg first.
2984 (rename_insn_1): Treat data as a rename_context *. Save current
2986 (rename_set_data): Add field set_insn.
2987 * Makefile.in (HASHTAB_H): Move up in file.
2988 (OBSTACK_H): New macro.
2989 (collect2.o): Use OBSTACK_H in dependencies.
2990 (sdbout.o): Likewise.
2991 (emit-rtl.o): Likewise.
2992 (simplify-rtx.o): Likewise.
2993 (fix-header.o): Likewise.
2994 (OBJS): Add conflict.o.
2995 (conflict.o): New rule.
2996 * basic-block.h: Include partition.h.
2997 (conflict_graph): New typedef.
2998 (conflict_graph_enum_fn): Likewise.
2999 (conflict_graph_new): New prototype.
3000 (conflict_graph_delete): Likewise.
3001 (conflict_graph_add): Likewise.
3002 (conflict_graph_conflict_p): Likewise.
3003 (conflict_graph_enum): Likewise.
3004 (conflict_graph_merge_regs): Likewise.
3005 (conflict_graph_print): Likewise.
3006 (conflict_graph_compute): Likewise.
3007 * conflict.c: New file.
3009 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
3011 * tlink.c (read_repo_files): Don't look for .rpo info for
3014 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3016 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
3018 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3020 * config/sh/lib1funcs.asm (___udivsi3_i4):
3021 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
3022 only depends on FMOVD_WORKS.
3024 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3026 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
3027 make double constant 8-byte aligned.
3029 2000-04-06 Jakub Jelinek <jakub@redhat.com>
3031 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
3032 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
3033 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
3034 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
3035 Accept storing GENERAL_REGS into offsetable memory.
3036 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
3037 building a TFmode constant other than 0.0L into GENERAL_REGS.
3039 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
3041 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
3043 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
3045 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
3046 (macro_cleanup): No need to cast pbuf->macro.
3047 (collect_expansion): Use _cpp_get_define_token. Goto done if
3048 it returns VSPACE. Remove check for trailing space after
3050 (_cpp_create_definition): Don't diddle flags here. Return
3052 (unsafe_chars): Handle c1 being EOF.
3053 (push_macro_expansion): Use unsafe_chars for both accidental-paste
3054 checks. Don't push the buffer till after we're done with
3056 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
3057 (PEEKN, FORWARD, GETC, PEEKC): Use them.
3058 (cpp_push_buffer): Don't set new->alimit. Set new->mark
3060 (_cpp_parse_assertion): Don't NUL terminate.
3061 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
3062 hspace before calling _cpp_parse_assertion. Remove all sets
3063 of only_seen_white. Treat '\f' as hspace. Don't do anything
3064 special with '\n' here.
3065 (maybe_macroexpand): Handle T_EMPTY hash entries without
3066 pushing a buffer at all.
3067 (cpp_get_token): Handle clearing only_seen_white here. Handle
3068 incrementing the line number here. Clear
3069 potential_control_macro as well as only_seen_white, if
3071 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
3072 (_cpp_get_define_token): New function, basically like
3073 _cpp_get_directive_token was but doesn't eat horizontal space.
3074 Don't do anything with only_seen_white here.
3075 (_cpp_get_directive_token): Just call _cpp_get_define_token
3076 repeatedly till it returns non-hspace.
3078 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
3079 (conditional_skip, skip_if_group): Return int.
3080 (DIRECTIVE_TABLE): Change origin of all conditional directives
3082 (TRAD_DIRECT_P): New macro.
3083 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
3084 an error for a bogus directive, unless -lang-asm. Use
3085 TRAD_DIRECT_P. Loop calling handler functions till one returns
3087 (get_macro_name): Don't diddle flags here.
3088 (do_define): Diddle flags here. Use _cpp_get_directive_token.
3089 Create T_EMPTY nodes for #define macro /* nothing */.
3090 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
3091 Use hp->name when calling pass_thru_directive.
3092 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
3093 Return the result of conditional_skip and/or skip_if_group.
3094 Don't call _cpp_output_line_command.
3095 (consider_directive_while_skipping): Use _cpp_get_directive_token.
3096 Issue -Wtraditional warnings as appropriate. Don't complain
3097 about unrecognized directives. If we are to stop skipping,
3098 return the number of the directive that ended the skip.
3099 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
3100 expansion and line commands while skipping. Return the result
3101 of consider_directive_while_skipping, if nonzero.
3102 (do_endif): Just set potential_control_macro here.
3103 (validate_else): Use _cpp_get_directive_token.
3104 (do_assert, do_unassert): Don't save pointers into the
3105 token_buffer across calls to the lexer. Use
3106 _cpp_get_directive_token.
3108 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
3109 pointer, not an offset. Replace 'data', which was a generic
3110 pointer, with 'macro', which points to a struct hashnode.
3111 (cpp_reader): Add 'potential_control_macro' pointer.
3112 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
3113 (CPP_BUF_GET, CPP_FORWARD): Delete.
3114 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
3115 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
3116 ACTIVE_MARK_P): Update.
3117 (_cpp_get_define_token): New internal function.
3118 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
3120 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
3122 * configure.in: And here.
3123 * configure: Regenerate.
3124 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
3125 --enable-libstdcxx-v3 is passed at configure time.
3126 * config.h.in: Regenerate.
3128 2000-04-05 Mark Mitchell <mark@codesourcery.com>
3130 * final.c (final): Use xcalloc to allocate line_note_exists.
3131 * function.c (free_after_compilation): Free the temp_slots.
3132 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
3133 (combine_temp_slot): Free temp_slots when they get combined.
3134 (purge_addressof): Fix typo in comment.
3135 * stmt.c (mark_goto_fixup): Mark the fixup itself.
3136 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
3138 * ggc.h: Include varray.h.
3139 (ggc_pending_trees): Declare.
3140 (ggc_mark_tree_children): Remove declaration.
3141 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
3142 * ggc-common.c (ggc_pending_trees): New variable.
3143 (ggc_mark_roots): Call ggc_mark_trees.
3144 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
3145 the ggc_pending_trees.
3146 * Makefile.in (GGC_H): New variable. Use it throughout in place
3149 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3151 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
3154 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3156 * sh.c (sh_insn_length_adjustment): New function.
3157 * sh-protos.h (sh_insn_length_adjustment): Declare.
3158 * sh.h (ADJUST_INSN_LENGTH): Use it.
3160 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
3162 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
3163 from the insn where REG_RETVAL is added.
3164 (emit_no_conflict_block): Ditto.
3166 * md.texi (Standard Names): Clarify when movX is needed.
3168 * combine.c (simplify_comparison) [MINUS]: Do not replace
3169 all (op (minus A B) 0) with (op A B).
3171 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
3172 J"orn Rennecke <amylaar@cygnus.co.uk>
3174 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
3175 (block_lump_real): Likewise.
3177 2000-04-05 Chris Demetriou <cgd@netbsd.org>
3179 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
3180 remaining non-zero debugging masks.
3182 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
3184 * basic-block.h (verify_flow_info): Declare.
3185 (flow_loop_outside_edge_p): Declare.
3186 * flow.c (verify_flow_info): Remove declaration.
3187 (clear_log_links, flow_loop_outside_edge_p): Likewise.
3189 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
3191 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
3194 2000-04-05 Jakub Jelinek <jakub@redhat.com>
3196 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
3197 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
3198 seqdi_zero_trunc+1): Allow splits only if registers are
3201 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
3203 * acconfig.h: Add HAVE_GAS_HIDDEN.
3204 * config.in: Regenerated.
3205 * configure.in: Add test for .hidden pseudo-op in gas.
3206 * configure: Regenerated.
3207 * crtstuff.c: Include auto-host.h.
3208 Emit additional .hidden pseudo-op for __dso_handle if the
3209 assembler knows about it.
3211 2000-04-04 Philippe De Muyter <phdm@macqel.be>
3213 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
3214 before freeing argnames.
3215 * cpplib.c (do_ifndef): Cast return value of xstrdup.
3217 2000-04-05 Michael Meissner <meissner@redhat.com>
3219 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
3220 Walton <jonboy@gordian.com> to make memory references with update
3221 work wtih -mregnames.
3223 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3225 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
3226 (regrename_optimize): Rename variables `def_uses' and
3227 `ext_basic_blocks' to avoid conflicts with similarly named
3228 typedefs in traditional C.
3230 * calls.c (initialize_argument_information): Fix typo in previous
3233 2000-04-04 Richard Henderson <rth@cygnus.com>
3235 * regrename.c (consider_available): Test fixed_regs not
3236 PIC_OFFSET_TABLE_REGNUM.
3238 2000-04-04 Geoff Keating <geoffk@cygnus.com>
3240 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
3242 (CRTSTUFF_T_CFLAGS_S): Delete definition.
3243 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
3244 (ENDFILE_LINUX_SPEC): Always use crtend.
3245 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
3246 (powerpc-*-linux-gnu): Likewise.
3247 * configure: Regenerate.
3249 * config/rs6000/eabi.h: Don't include sysv4.h.
3250 (MULTILIB_DEFAULTS): Don't define.
3251 * config/rs6000/eabiaix.h: Don't include eabi.h.
3252 * config/rs6000/eabile.h: Delete.
3253 * config/rs6000/eabilesim.h: Delete.
3254 * config/rs6000/eabisim.h: Don't include eabi.h.
3255 * config/rs6000/linux.h: Don't include sysv4.h.
3256 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
3257 (MULTILIB_DEFAULTS): Don't redefine.
3258 * config/rs6000/rtems.h: Don't include eabi.h.
3259 * config/rs6000/sol2.h: Don't include sysv4le.h.
3260 * config/rs6000/sysv4le.h: Don't include sysv4.h.
3261 * config/rs6000/t-ppc: Delete.
3262 * config/rs6000/t-ppcgas: Correct comment.
3263 * config/rs6000/t-ppcos: Correct comment. Don't build
3264 multilibs for -fPIC, rather use -fPIC -mstrict-align
3266 * config/rs6000/t-ppc: Delete.
3267 * config/rs6000/vxppc.h: Don't include sysv4.h.
3268 * config/rs6000/vxppcle.h: Delete.
3269 * configure.in: Use multiple header files for p2pc ELF targets
3270 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
3271 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
3272 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
3273 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
3274 always available for these platforms.
3276 2000-04-04 Richard Henderson <rth@cygnus.com>
3278 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
3280 2000-04-04 Stan Cox <scox@cygnus.com>
3282 * Makefile.in: Add rules for regrename.o
3283 * regrename.c: New file.
3284 * rtl.h (regrename_optimize): Add prototype.
3285 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
3286 (compile_file, decode_d_option): Add support for -frename-registers.
3287 (rest_of_compilation): Call regrename_optimize.
3288 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
3291 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3293 * Makefile (gccbug): New target.
3294 (doc): Depend on it.
3295 * gcc.texi (Bugs): Link subnodes.
3297 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
3298 Document severities, priorities, and classes in bug form.
3300 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
3302 * cpplex.c (trigraph_map, speccase): Combine into single
3304 (NORMAL, NONTRI): New macros.
3305 (_cpp_read_and_prescan): Change to use unified table. Use
3306 is_hspace to test for whitespace.
3308 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
3309 definition that doesn't provoke the "empty body in an
3310 if-statement" warning.
3312 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
3314 * builtins.c (expand_builtin_strlen): Force the source to
3315 be a memory address.
3317 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3319 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
3321 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
3323 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
3324 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
3325 (ECF_IS_CONST): Rename to ECF_CONST.
3326 (special_function_p): Make static, change interface.
3327 (flags_from_decl_or_type, try_to_integrate): Break out from ...
3328 (expand_call) ... here; convert number of variables to flags.
3329 (emit_library_call_vlue_1): Likewise.
3330 (setjmp_call_p): New function.
3331 (initialize_argument_information): Accepts flags as argument;
3333 (precompute_arguments): Likewise.
3334 * tree.h (special_function_p): Remove.
3335 (setjmp_call_p): Add prototype.
3337 2000-04-04 Jakub Jelinek <jakub@redhat.com>
3339 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
3340 so that addresses are offsetable by up to 16 bytes.
3341 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
3342 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
3345 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
3346 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
3347 (movsf): Don't force any constant to memory if target is integer
3349 Move fp_zero_operand check below the const0_rtx check.
3350 (movtf): Likewise. Also allow fp_zero_operand for stores into
3352 (movdf): Likewise. Also allow fp_zero_operand for stores into
3353 memory and into integer hard registers.
3354 (clear_df, clear_dfp, movdf_const_intreg_sp32,
3355 movdf_const_intreg_sp64): Remove.
3356 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
3358 (movdf_no_e_insn_v9_sp32): New pattern.
3359 (movdf_insn_v9only): Remove.
3360 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
3361 (movdf_insn_sp64): Remove.
3362 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
3363 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
3364 (following splits): Rewrite conditions. Add two new splits
3365 for storing 0.0 into memory and registers.
3366 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
3367 (movtf_insn_sp32): Redo constraints and conditions.
3368 (movtf_insn_vis_sp32): New pattern.
3369 (movtf_no_e_insn_sp32): Redo constraints and conditions.
3370 (movtf_insn_hq_sp64): Likewise.
3371 (movtf_insn_hq_vis_sp64): New pattern.
3372 (movtf_insn_sp64): Redo constraints and conditions.
3373 (movtf_insn_vis_sp64): New pattern.
3374 (movtf_no_e_insn_sp64): Redo constraints and conditions.
3375 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
3377 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
3378 -mvis or -m64 to take down the number of various reload patterns.
3380 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
3382 * pa/pa-64.h: New file.
3383 * pa/pa64-regs.h: New file.
3384 * pa/pa64-start.h: New file.
3385 * pa/t-pa64: New file.
3386 * pa/xm-pa64hpux.h: New file.
3388 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3390 * sparc.c (output_restore_regs): Prototype.
3391 (sparc_emit_float_lib_cmp): Constification.
3393 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
3395 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
3398 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
3399 (get_value_hash, hash_rtx): Likewise.
3401 * ssa.c (compute_conservative_reg_partition): Prototype.
3403 * tree.c (mark_hash_entry): Prototype.
3405 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
3407 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
3408 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
3409 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
3411 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
3412 * objc/lang-specs.h: Likewise.
3414 2000-04-03 Neil Booth <NeilB@earthling.net>
3416 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
3417 and SYNTAX_ERROR2. Replace `' in messages with ''.
3418 (op_to_str): Make re-entrant.
3419 (_cpp_parse_expr): Implement new error macros. Use | rather
3420 than || to logically or 2 boolean integers. Simply expression
3421 checking we have a left operand iff needed.
3423 2000-04-03 Nick Clifton <nickc@cygnus.com>
3425 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
3427 2000-04-03 Philip Blundell <philb@gnu.org>
3429 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
3431 2000-04-03 Felix Lee <flee@cygnus.com>
3433 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
3434 (run_shell): Use it.
3436 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
3438 * Makefile.in (stmp-int-hdrs): Make include subdir here...
3439 (stmp-fixproto): ...rather than here.
3441 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
3443 * pa.c (print_operand): Compute 'base' only inside the code paths
3446 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
3448 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
3451 2000-04-03 Philipp Thomas <pthomas@suse.de>
3453 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
3455 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
3457 * Makefile.in (alias.o): Depend on $(TREE_H).
3459 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
3461 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
3463 * cpplib.c (_cpp_handle_directive): Improve warnings for
3464 traditional C and indented directives.
3466 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
3467 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
3468 fixinc/inclhack.def: Indent the # of #include_next one space.
3469 * cp/rtti.c: Un-indent #if and #endif.
3471 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
3472 syntax error, but an error has already been printed.
3473 * cpplex.c (_cpp_parse_assertion): Give a more specific error
3474 message when called with nothing remaining on the line.
3475 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
3476 OTHER token, not an ASSERTION.
3477 * cpplib.c (do_assert): When we create a 'base' node, clear
3478 its aschain pointer.
3480 2000-04-02 Neil Booth <NeilB@earthling.net>
3482 * cppexp.c: New typedef op_t. struct operation and struct
3483 token updated to use it.
3484 (op_to_str): New function.
3485 (_cpp_parse_expr): Error messages modified to use op_to_str.
3487 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3489 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
3490 before checking MUST_PASS_IN_STACK.
3492 2000-04-02 Neil Booth <NeilB@earthling.net>
3494 * cppexp.c: New FINISHED dummy token. Combine operator initial
3495 flags and initial priority into a single constant. New
3496 EQUALITY macro. New operator flag SHORT_CIRCUIT.
3497 (_parse_cpp_expr): Implement new constants. Take left operand
3498 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
3499 parse indicated by reducing FINISHED token. Remove new lines
3500 from cpp_error messages.
3502 2000-04-01 Mark Mitchell <mark@codesourcery.com>
3504 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
3507 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
3509 * cpplib.c: Include symcat.h. Add 'origin' field to struct
3510 directive. Add origin values to DIRECTIVE_TABLE. Generate
3511 the strings and function names on the fly. Take the #sccs
3512 entry out of the table if SCCS_DIRECTIVE is not defined.
3513 (_cpp_handle_directive): Decide if the # was at the beginning
3514 of the line here. Issue -pedantic warnings for extended
3515 directives here. Warn about K+R directives with the #
3516 indented, and C89/extended directives with the # not indented,
3518 (do_import, do_include_next, do_warning, do_ident, do_sccs,
3519 do_assert, do_unassert): Don't issue pedantic warning here.
3521 * cpphash.h: Add CPP_WTRADITIONAL macro.
3522 * cpplib.h (struct cpp_options): Rename warn_stringify to
3523 warn_traditional; update comments.
3524 * cppinit.c (handle_option): Set warn_traditional not
3526 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
3527 CPP_WTRADITIONAL (pfile).
3528 * cpplex.c (_cpp_lex_token): Don't decide if directives should
3529 be ignored in -traditional mode here.
3531 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
3532 to initialize speccase[] and trigraph_map[]. Delete all
3533 references to pfile->input_speccase. Always treat '?' as a
3534 special character. Remove table-initialization code from
3535 _cpp_init_input_buffer.
3537 * cpplib.h (struct cpp_reader): Remove input_speccase field.
3538 * cppinit.c (cpp_cleanup): Don't free input_speccase.
3540 2000-04-01 Richard Henderson <rth@cygnus.com>
3542 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
3543 (mostlyclean): Likewise.
3545 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
3546 (struct dump_file_info, enum dump_file_index, dump_file): New.
3547 (open_dump_file): Take a dump_file_index not a suffix, and a decl
3548 not a string. Clean out file if we havn't yet done so. Do nothing
3549 if the dump isn't enabled.
3550 (close_dump_file): Do nothing if the dump isn't open. Dump
3551 graph data if requested.
3552 (dump_rtl, clean_dump_file): Remove.
3553 (compile_file): Don't clean the dump files. Only finalize .bp dump
3554 if flag_test_coverage or flag_branch_probabilities. Only finalize
3555 .combine dump if optimizing. Iterate over dump_file to finalize the
3557 (rest_of_compilation): Update for open_dump_file/close_dump_file.
3558 Convert all uses of dump_rtl.
3559 (decode_d_option): Iterate over dump_file to implement 'a' and to
3560 locate pass-specific dumps.
3562 2000-04-01 Neil Booth <NeilB@earthling.net>
3564 * cppexp.c: Redefine priority constants.
3565 (_cpp_parse_expr): Replace left and right priority scheme with
3566 single priority logic. Move LOGICAL to same place as COMPARE.
3567 Remove bogus check for multiple unary +/- operators.
3569 2000-04-01 Neil Booth <NeilB@earthling.net>
3571 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
3572 within the switch statement. Binary operations break out of
3573 the switch naturally. '(' tokens handled by forcing
3574 immediate shift. ')' handled by forcing immediate reduce to
3575 the previous '('. New error messages.
3577 2000-03-31 Geoff Keating <geoffk@cygnus.com>
3579 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
3580 part', it's already in use. Use %K instead. Add a return at the
3581 end of what is now %K.
3582 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
3584 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
3586 * builtins.c (expand_builtin_apply): Pass proper parameters to
3587 allocate_dynamic_stack_space.
3588 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
3589 update stack_pointer_delta; do not update arg_size_so_far.
3590 (compute_argument_block_size): Use stack_delta instead of
3591 stack_pointer_pending and arg_size_so_far.
3592 (expand_call): Add sanity checking for stack_pointer_delta;
3593 save and restore stack_pointer_delta for SIB, use
3594 stack_pointer_delta for alignment; do not update arg_space_so_far.
3595 (emit_library_call_value): Use stack_pointer_delta for alignment.
3596 (store_one_arg): Do not update arg_space_so_far.
3597 * explow.c (adjust_stack, anti_adjust_stack): Update
3598 stack_pointer_delta.
3599 (allocate_dynamic_stack_space): Add sanity checking for
3600 stack_pointer_delta.
3601 * expr.c (init_expr, clear_pending_stack_adjust): Clear
3602 stack_pointer_delta.
3603 (emit_push_insn): Update stack_pointer_delta.
3604 * function.h (struct expr_status): Add x_stack_pointer_delta;
3605 remove x_arg_space_so_far.
3606 (arg_space_so_far): Remove.
3607 (stack_pointer_delta): New macro.
3609 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
3611 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
3612 Reorder struct cpp_options and struct cpp_reader for better
3613 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
3614 takes two args. Change all 'char' flags to 'unsigned char'.
3615 Move show_column flag into struct cpp_options. Don't
3616 prototype cpp_options_init.
3617 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
3618 cppinit.c, cpplex.c, cpplib.c:
3619 Replace CPP_OPTIONS (pfile)->whatever with
3620 CPP_OPTION (pfile, whatever), and likewise for
3621 opts = CPP_OPTIONS (pfile); ... opts->whatever;
3623 * cppinit.c (merge_include_chains): Take a cpp_reader *.
3624 Extract CPP_OPTION (pfile, pending) and work with that
3626 (cpp_options_init): Delete.
3627 (cpp_reader_init): Turn on on-by-default options here.
3628 Allocate the pending structure here.
3629 (cl_options, enum opt_code): Define these from the same table,
3630 kept in a large macro. Add -fshow-column and -fno-show-column
3633 * cpperror.c (v_message): If show_column is off, don't print
3636 * cppmain.c: Update for new interface.
3637 * fix-header.c: Likewise.
3639 2000-03-30 Geoff Keating <geoffk@cygnus.com>
3641 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
3643 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
3644 are passed to any invocation of AR_FOR_TARGET.
3645 (AR_CREATE_FOR_TARGET): New macro.
3646 (AR_EXTRACT_FOR_TARGET): New macro.
3647 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
3648 AR_EXTRACT_FOR_TARGET.
3649 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
3650 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
3651 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
3652 AR_EXTRACT_FOR_TARGET to sub-makes.
3654 2000-03-31 Neil Booth <NeilB@earthling.net>
3656 * cppexp.c: Delete SKIP_OPERAND. Correct priority
3658 (_cpp_parse_expr): Check for multiple unary +/- operators.
3659 Correct priorities of ':' and '?'. Treat ')' as having a
3660 value. Ensure conditional expression is not void.
3662 2000-03-31 Mark Mitchell <mark@codesourcery.com>
3664 * alias.c (canon_rtx): Make it global.
3665 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
3667 * cse.c (struct table_elt): Add canon_exp.
3669 (invalidate): Canonicalize expressions only once.
3670 * rtl.h (canon_rtx): Declare.
3672 2000-03-30 Mark Mitchell <mark@codesourcery.com>
3674 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
3675 * alias.c (reg_known_value): Add comments.
3676 (init_alias_analysis): Likewise.
3677 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
3679 (cse_basic_block): Fix typo in comment.
3680 * emit-rtl.c: Include hashtab.h.
3681 (const_int_htab): New variable.
3682 (const_int_htab_hash): New function.
3683 (const_int_htab_eq): Likewise.
3684 (rtx_htab_mark_1): Likewise.
3685 (rtx_htab_mark): Likewise.
3686 (gen_rtx_CONST_INT): Cache all CONST_INTs.
3687 (unshare_all_rtx): Fix formatting.
3688 (init_emit_once): Initialize const_int_htab.
3689 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
3691 * rtl.texi: Document the fact that all CONST_INTs with the same
3694 2000-03-30 Richard Henderson <rth@cygnus.com>
3696 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
3698 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
3700 * configure.in: Comment out --enable-c-cpplib stanza.
3701 * configure: Regenerate.
3703 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3705 * expr.c (store_constructor): Properly compute displacement and
3706 alignment when offset is variable.
3708 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
3709 cases of alignment in bytes.
3711 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
3713 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
3714 since it is used to generate c-parse.y.
3715 * objc-parse.c, objc-parse.y: Regenerated.
3717 * function.c (expand_function_end): Pass alignment argument to
3718 emit_block_move in bits, not bytes.
3720 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3722 * expr.c (move_by_pieces_ninsns): Fix one more missing align
3725 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
3727 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
3728 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
3729 * function.c (assign_parms): Likewise.
3730 * integrate.c (expand_inline_function): Likewise.
3731 * stmt.c (expand_decl): Likewise.
3732 (copy_rtx_and_substitute): Likewise.
3733 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
3734 (clear_by_pieces): Fix error in last change.
3735 * emit-rtl.c (init_emit): Set known registers alignment in bits.
3736 * function.h (regno_pointer_align): Now unsigned.
3737 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
3739 * config/i386/i386.c (aligned_operand): Likewise.
3740 * config/sparc/sparc.c (mem_min_alignment): Likewise.
3741 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
3742 (unaligned_memory_operand): Likewise.
3743 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
3744 Also make alignments and sizes unsigned and some whitespace cleanup.
3745 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
3747 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
3748 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
3749 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
3750 (expand_builtin_memset): Likewise, but to clear_storage.
3751 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
3752 (restore_fixed_argument_area): Likewise.
3753 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
3754 (load_register_parameters): Likewise, to emit_group_load.
3755 (expand_call): Likewise, to emit_group_store and emit_block_move.
3756 (emit_library_call_value_1): Likewise, to emit_block_move.
3757 (store_one_arg): Likewise, and to emit_push_insn.
3758 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
3759 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
3760 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
3761 (emit_block_move, emit_group_load, emit_group_store): Likewise.
3762 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
3763 (expand_assigment, store_expr, store_constructor_field): Likewise.
3764 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
3765 (store_constructor, store_field, get_inner_reference): Likewise.
3766 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
3767 (expand_expr, case COMPONENT_REF): Likewise.
3768 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
3769 and positions; reindent code.
3770 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
3771 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
3772 (assign_parms): Likewise to emit_group_store.
3773 * optabs.c (prepare_cmp_insn): Alignment is in bits.
3774 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
3775 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
3776 (expand_return): Likewise to {extract,store}_bit_field.
3777 * stor-layout.c (get_mode_alignment): Minor cleanup.
3778 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
3779 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
3781 2000-03-29 Nick Clifton <nickc@cygnus.com>
3783 * config/arm/arm.h: Undo effects of previous delta:
3784 (ASM_SPEC): Do not define.
3785 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
3787 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
3790 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3792 * cppinit.c (cpp_start_read): Call initialize_dependency_output
3793 only after reading in the primary source file.
3795 2000-03-29 Geoff Keating <geoffk@cygnus.com>
3797 * c-common.c (c_common_nodes_and_builtins): The first parameter to
3798 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
3799 or a reference to a va_list.
3800 * builtins.c (stabilize_va_list): Simplify now we don't have to
3801 work around C array address decay.
3802 * c-typeck.c (convert_for_assignment): Handle assignment to
3803 a reference parameter by taking the address of the RHS.
3804 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
3805 (va_copy): Likewise.
3806 (__va_copy): Likewise.
3807 * ginclude/varargs.h (va_start): Likewise.
3808 (__va_copy): Likewise.
3810 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
3812 * i386/djgpp.h: Remove extraneous "+".
3814 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
3816 * calls.c (expand_call): Fix typo in last change.
3818 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
3820 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
3823 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3825 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
3826 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
3827 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
3828 * tree.c (bit_position, byte_position): Likewise.
3829 * tree.h: Declare new functions.
3831 2000-03-29 Nick Clifton <nickc@cygnus.com>
3833 * config/arm/arm.c: Minor formatting changes/
3834 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
3836 (ASM_SPEC): Define if not already defined.
3838 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3840 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
3843 2000-03-29 Jakub Jelinek <jakub@redhat.com>
3845 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
3846 value, don't output it as unsigned.
3848 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
3850 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
3852 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3854 * c-common.c (c_common_nodes_and_builtins): Don't special case
3855 cplus_mode when declaring builtin bzero/bcmp, always avoid
3856 prototype arguments.
3858 2000-03-29 Bruce Korb <bkorb@gnu.org>
3860 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
3863 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
3865 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
3866 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
3867 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
3868 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
3869 (save_fixed_argument_area, restore_fixed_argument_area):
3870 conditionize by #ifdef REG_PARM_STACK_SPACE only.
3871 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
3872 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
3873 (precompute_register_parameters): Avoid #ifdefs on
3874 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
3875 (stire_one_args): Likewise.
3876 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
3877 (emit_library_call_value_1): Likewise.
3878 (compute_argument_block_size): Align to STACK_BOUNDARY only for
3879 ACCUMULATE_OUTGOING_ARGS.
3880 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
3882 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
3883 (use_crosses_set_p): Likewise.
3884 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
3885 #define ACCUMULATE_OUTGOING_ARGS 1.
3886 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
3888 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
3890 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
3891 (TARGET_SWITCHES): Add push-args, no-push-args,
3892 accumulate-outgoing-args and no-accumulate-outgoing-args.
3893 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
3894 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
3895 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
3897 (emit_push_insn): Likewise.
3898 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3899 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
3900 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3901 (STACK_DYNAMIC_OFFSET): Define correctly for both
3902 ACCUMULATE_OUTGOING_ARGS and normal mode.
3903 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
3904 * tm.texi (PUSH_ARGS): Document.
3905 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
3907 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
3909 * flags.h (flag_optimize_sibling_calls): Declare.
3910 * calls.c (expand_call): Fail sibcall when
3911 !flag_optimize_sibling_calls
3912 * invoke.texi (flag_optimize_sibling_calls): Document.
3913 * toplev.c (flag_optimize_sibling_calls): New global variable.
3914 (f_options): Add flag_optimize_sibling_calls.
3915 (rest_of_compilation): Conditionize
3916 optimize_sibling_and_tail_recursive_calls by
3917 flag_optimize_sibling_calls.
3918 (main): Set flag_optimize_sibling_calls for -O2.
3919 * stmt.c (expand_return): Conditionize tail recursion by
3920 flag_optimize_sibling_calls.
3922 2000-03-29 Richard Henderson <rth@cygnus.com>
3924 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
3925 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
3927 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
3929 * except.c (add_eh_table_entry): Mark type_info's as referenced.
3931 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3933 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
3935 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
3936 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
3937 * config/rs6000/aix.h: then modified likewise.
3939 2000-03-28 Richard Henderson <rth@cygnus.com>
3941 * rtl.h: Redistribute enum reg_note documentation.
3942 Kill trailing whitespace.
3943 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
3944 Kill trailing whitespace.
3946 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
3948 * cppfiles.c (hash_IHASH): Just return i->hash.
3949 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
3950 htab_find_with_hash.
3951 (cpp_read_file): Likewise.
3952 (find_include_file): Likewise. Properly initialize
3953 ih->nshort. Share ih->name and ih->nshort if possible.
3954 * cpphash.c (_cpp_calc_hash): New function.
3955 (hash_HASHNODE): Just return h->hash.
3956 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
3957 htab_find_with_hash.
3958 * cpphash.h: Prototype _cpp_calc_hash.
3959 * cppinit.c (initialize_builtins): Provide a valid hash
3960 to _cpp_make_hashnode, using _cpp_calc_hash.
3962 * cpphash.c (collect_expansion): # is not a special character
3963 in object-like macros. In -traditional mode, /**/ is not
3964 token paste at the beginning or end of the line.
3965 * cpplib.c (do_include, do_import, do_include_next): If
3966 parse_include fails, return immediately.
3968 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
3970 * config/arm/arm.md (return peepholes): Update to reflect the new
3972 * config/arm/arm.c (arm_volatile_func): Also check
3973 current_function_nothrow.
3974 (output_return_instruction, output_func_prologue): Use it.
3975 (arm_output_epilogue, arm_expand_prologue): Likewise.
3977 2000-03-27 Tom Tromey <tromey@cygnus.com>
3979 * gcc.c (handle_braces): In {x*...} case, break out of loop if
3982 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3984 * expr.c (store_constructor): SIZE now signed.
3985 For EXPR_SIZE, don't evaluate size; just needed if constant.
3986 * fold-const.c (fold): Fix a number of cases when folded tree is
3988 * function.c (flush_addressof): Reenable.
3989 * tree.h (flush_addressof): Likewise.
3990 * toplev.c (independent_decode_option): Look at strings_processed.
3991 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
3993 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
3995 * sibcall.c (indentify_call_return_value): Find last call in the chain;
3996 Allow stack adjustment after function call.
3998 * regmove.c (struct csa_memlist): Make mem field rtx *.
3999 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
4000 (try_apply_stack_adjustment): Replace whole MEM rtx.
4001 (combine_stack_adjustments_for_block): Update calls
4002 to record_one_stack_ref.
4004 2000-03-28 Neil Booth <NeilB@earthling.net>
4006 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
4007 '\\' rather than a null character, so nulls are not special. Fix
4008 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
4009 speed trigraph conversion.
4010 (_cpp_init_input_buffer): Initialize trigraph map.
4012 2000-03-27 Alan Modra <alan@linuxcare.com.au>
4014 * config/i386/i386.c (output_387_binary_op): Correct intel
4015 mode assembly output, and add spaces after commas in AT&T
4016 output. Correct Unixware assembler comment. Document input
4017 constraints. Comment fp operations. Reduce profligate buffer
4018 size. Remove extraneous abort. Localize temp var.
4019 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
4020 (output_fix_trunc): Add spaces after commas in assembly output.
4022 2000-03-27 Richard Henderson <rth@cygnus.com>
4024 * i386-protos.h (ix86_match_ccmode): Declare.
4025 * i386.c (ix86_match_ccmode): New.
4026 (ix86_expand_fp_compare): Update for pattern renames.
4027 (ix86_expand_strlensi_unroll_1): Likewise.
4028 * i386.h (EXTRA_CC_MODES): Add CCZ.
4029 (SELECT_CC_MODE): Use it for EQ/NE zero.
4030 * i386.md (cmpsi_ccz_1): New.
4032 (*testsi_ccz_1): New.
4033 (testqi_ccz_1): New.
4034 (cmpsi_ccno_1): Rename from cmpsi_0.
4035 (testsi_ccno_1): Rename from testsi_1.
4036 (testqi_ccno_1): Rename from testqi_1.
4037 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
4038 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
4039 (*cmphi_0): Use ix86_match_ccmode.
4040 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
4041 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
4042 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
4043 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
4044 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
4045 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
4046 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
4047 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
4048 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
4049 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
4050 (appropriate peepholes): Likewise.
4051 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
4052 (*subsi_3, *subhi_3, *subqi_3): Remove.
4053 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
4054 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
4055 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
4056 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
4057 (x86_shift_adj_1): Use CCZ.
4058 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
4060 2000-03-27 Stan Cox <scox@cygnus.com>
4062 * resource.h (mark_resource_type): New.
4063 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
4064 find_free_register): Use mark_resource_type.
4065 (mark_set_resources): Change include_delayed_effects
4066 to mark_resource_type.
4067 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
4068 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
4069 Use mark_resource_type.
4071 2000-03-27 Richard Henderson <rth@cygnus.com>
4073 * i386.md (call_pop_0, call_value_pop_0): New.
4074 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
4075 (call_value_pop_1): Likewise.
4076 (call_0, call_value_0): New.
4077 (call_1, call_value_1): Remove constraint from unused arg.
4079 2000-03-27 Nick Clifton <nickc@cygnus.com>
4081 * invoke.texi (Spec Files): Document new spec % command created by
4082 Tom Tromey's recent patch.
4084 2000-03-27 Jakub Jelinek <jakub@redhat.com>
4086 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
4089 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4091 * expr.c (expand_assignment): Fix typo in last change.
4093 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
4095 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4097 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
4098 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
4099 and DECL_INLINE if FUNCTION_DECL.
4100 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
4101 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
4102 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
4103 (combine_parm_decls): Likewise.
4104 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
4105 * print-tree.c (print_node): Likewise.
4106 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
4107 DECL_TRANSPARENT_UNION on proper decl types.
4108 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
4109 * stor-layout.c (layout_decl): Only check DECL_PACKED and
4110 DECL_BIT_FIELD of FIELD_DECL.
4111 * tree.h (DECL_RESULT_FLD): New macro.
4113 * expr.c (expand_assignment): Add code to handle variable-sized
4116 2000-03-26 Richard Henderson <rth@cygnus.com>
4118 * calls.c (expand_call): Pass parms not original exp to
4119 optimize_tail_recursion. Mind return value instead of looking
4121 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
4122 call_expr. Move checks for call_expr and current_function_decl ...
4123 (expand_return): ... here.
4125 2000-03-26 Tom Tromey <tromey@cygnus.com>
4127 * gcc.c (handle_braces): Recognize `%{<S}' construct.
4128 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
4130 (process_command): Use them.
4131 (check_live_switch): Likewise.
4132 (give_switch): Skip ignored switches.
4134 2000-03-26 Jan Hubicka <jh@suse.cz>
4136 * jump.c (jump_optimize_1): Fix typo in elide optimizations
4137 for minimal jump pass test.
4139 2000-03-26 Mark Mitchell <mark@codesourcery.com>
4141 * integrate.c (function_cannot_inline_p): Do inline functions that
4144 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4146 * stor-layout.c (layout_type, set_sizetype): early_type_list is
4147 now a list of TREE_LIST entries, not types.
4148 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
4150 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
4151 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
4153 * config/mips/mips.c (function_arg): Likewise; also remove cast
4154 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
4155 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
4156 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
4157 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
4158 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
4159 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
4160 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
4161 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
4162 num_adjusts now unsigned.
4163 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
4164 * config/sparc/sparc.c (struct function_arg_record_value_parms):
4166 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
4167 as is BITPOS variable; use host_integerp and int_bit_position.
4168 (function_arg_record_value_2): Likewise.
4169 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
4170 Variable REGNO now unsigned.
4171 (function_arg_record_value): NREGS now unsigned.
4173 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
4175 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
4177 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4179 * Rework fields used to describe positions of bitfields and
4180 modify sizes to be unsigned and use HOST_WIDE_INT.
4181 * alias.c (reg_known_value_size): Now unsigned.
4182 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
4183 (really_start_incremental_init): Use bitsize_zero_node.
4184 (push_init_level, pop_init_level, output_init_element): Likewise.
4185 Use bitsize_unit_node and bitsize_one_node.
4186 (output_pending_init_elements, process_init_element): Likewise.
4187 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
4188 (make_extraction): Position and length HOST_WIDE_INT and unsigned
4189 HOST_WIDE_INT, respectively.
4190 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
4191 (num_sign_bit_copies): Returns unsigned.
4192 BITWIDTH now unsigned; rework arithmetic.
4193 Remove recursive call from arg to MAX.
4194 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
4195 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
4197 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
4198 (find_split_point, expand_compound_operation, make_extraction): LEN
4199 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
4200 (make_field_assignment): Likewise.
4201 (combine_simplify_rtx): Add cast.
4202 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
4203 (force_to_mode): WIDTH now unsigned; add cast.
4204 (if_then_else_cond): SIZE now unsigned.
4205 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
4206 (extended_count): Now returns unsigned.
4207 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
4208 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
4209 (simplify_comparison): MODE_WIDTH now unsigned.
4210 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
4211 (mark_used_regs_combine): Likewise; rework arithmetic.
4212 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
4213 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
4214 (record_promoted_value): REGNO now unsigned.
4215 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
4216 (get_last_value): REGNO now unsigned.
4217 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
4218 (reg_dead_regno, reg_dead_endregno): Now unsigned.
4219 (remove_death): Arg REGNO now unsigned.
4220 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
4221 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
4223 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
4224 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
4225 (struct cse_reg_info): REGNO now unsigned.
4226 (cached_regno): Now unsigned.
4227 (REGNO_QTY_VALID_P): Add cast.
4228 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
4229 (remove_invalid_regs): Likewise.
4230 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
4231 as are variables END and I.
4232 (get_cse_reg_info, insert): Likewise.
4233 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
4234 (canon_hash): Likewise.
4235 (insert_regs, lookup_for_remove): REGNO now unsigned.
4236 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
4238 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
4239 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
4240 * emit-rtl.c (subreg_realpart_p): Add cast.
4241 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
4242 (operand_subword_force): Arg I is now unsigned.
4243 * except.c (eh_regs): Variable I is now unsigned.
4244 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
4245 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
4246 length is unsigned HOST_WIDE_INT; likewise for internal variables.
4247 (store_split_bit_field, extract_fixed_bit_field): Likewise.
4248 (extract_split_bit_field, store_bit_field, extract_bit_field):
4250 * expr.c (store_constructor_fields, store_constructor, store_field):
4251 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
4252 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
4253 (do_jump): Likewise.
4254 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
4255 MAX_SIZE is now unsigned.
4256 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
4257 (emit_group_store): Likewise.
4258 (emit_move_insn): I now unsigned.
4259 (store_constructor): Use host_integerp, tree_low_cst, and
4261 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
4262 Rework all calculations to use trees and new fields.
4263 * expr.h (promoted_input_arg): Regno now unsigned.
4264 (store_bit_field, extract_bit_field): Adjust types of pos and size.
4265 (mark_seen_cases): Arg is HOST_WIDE_INT.
4266 * flow.c (verify_wide_reg_1): REGNO now unsigned.
4267 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
4268 precisions and alignments are unsigned.
4269 (optimize_bit_field_compare, fold_truthop): Likewise.
4270 (int_const_binop): Adjust threshold for size_int_type_wide call.
4271 (fold_convert): Likewise.
4272 (size_int_type_wide): Make table larger and fix thinko that only
4273 had half of table used.
4274 (all_ones_mask_p, fold): Precisions are unsigned.
4275 * function.c (put_reg_info_stack): REGNO is unsigned.
4276 (instantiate_decl): Size is HOST_WIDE_INT.
4277 (instantiate_virtual_regs): I is unsigned.
4278 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
4279 (promoted_input_arg): REGNO is unsigned.
4280 * function.h (struct function): x_max_parm_reg is now unsigned.
4281 * gcse.c (max_gcse_regno): Now unsigned.
4282 (struct null_pointer_info): min_reg and max_reg now unsigned.
4283 (lookup_set, next_set): REGNO arg now unsigned.
4284 (compute_hash_table): REGNO and I now unsigned.
4285 (handle_avail_expr): regnum_for_replacing now unsigned.
4286 (cprop_insn): REGNO now unsigned.
4287 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
4288 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
4289 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
4290 * hard-reg-set.h (reg_class_size): Now unsigned.
4291 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
4292 * jump.c (mark_modified_reg): I now unsigned; add cast.
4293 (rtx_equal_for_thread_p): Add cast.
4294 * loop.c (max_reg_before_loop): Now unsigned.
4295 (struct_movable): REGNO now unsigned.
4296 (try_copy_prop): REGNO arg unsigned.
4297 (regs_match_p): XN and YN now unsigned.
4298 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
4299 (strength_reduce): Likewise; NREGS also unsigned.
4300 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
4301 * loop.h (struct iv_class): REGNO now unsigned.
4302 (max_reg_before_loop, first_increment_giv, last_increment_giv):
4304 * machmode.h (mode_size, mode_unit_size): Now unsigned.
4305 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
4306 * optabs.c (expand_binop): I and NWORDS now unsigned.
4307 (expand_unop): I now unsigned.
4308 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
4309 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
4310 * real.c (significand_size): Now returns unsigned.
4311 * real.h (significand_size): Likewise.
4312 * regclass.c (reg_class_size): Now unsigned.
4313 (choose_hard_reg_mode): Both operands now unsigned.
4314 (record_reg_classes): REGNO and NR now unsigned.
4315 (reg_scan): NREGS now unsigned.
4316 (reg_scan_update): old_max_regno now unsigned.
4317 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
4318 * reload.c (find_valid_class): BEST_SIZE now unsigned.
4319 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
4320 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
4321 Likewise for variable R.
4322 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
4323 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
4324 (find_equiv_reg): Add casts.
4325 (regno_clobbered_p): Arg REGNO now unsigned.
4326 * reload.h (struct reload): NREGS now unsigned.
4327 (refers_to_regno_for_reload_p): Regno args are unsigned.
4328 (regno_clobbered_p): Likewise.
4329 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
4330 (compute_use_by_pseudos): REGNO now unsigned.
4331 (find_reg): I and J now unsigned, new variable K, and change loop
4332 variables accordingly; THIS_NREGS now unsigned.
4333 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
4334 (spill_hard_reg): REGNO arg now unsigned; add casts.
4335 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
4336 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
4337 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
4338 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
4339 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
4340 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
4341 (emit_reload_insns): REGNO now unsigned.
4342 (reload_cse_move2add): Add cast.
4343 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
4345 * resource.c (mark_referenced_resources, mark_set_resources): New
4346 variable R; REGNO and LAST_REGNO now unsigned.
4347 (mark_target_live_regs): J and REGNO now unsigned.
4348 * rtl.c (mode_size, mode_unit_size): Now unsigned.
4349 * rtl.h (union rtunion_def): New field rtuint.
4350 (XCUINT): New macro.
4351 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
4352 (operand_subword, operand_subword_force): Word number is unsigned.
4353 (choose_hard_reg_mode): Operands are unsigned.
4354 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
4355 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
4356 (regno_use_in, combine_instructions, remove_death): Likewise.
4357 (reg_scan, reg_scan_update): Likewise.
4358 (extended_count): Return is unsigned.
4359 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
4360 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
4361 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
4362 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
4363 (reg_reg_last_1): FIRS and LAST now unsigned.
4364 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
4365 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
4367 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
4368 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
4369 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
4370 (replace_regs): Arg NREGS now unsigned.
4371 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
4372 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
4373 (simplify_binary_operation): Likewise.
4374 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
4375 THIS_LAST now unsigned.
4376 (cselib_record_set): Add cast.
4377 * ssa.c (ssa_max_reg_num): Now unsigned.
4378 (rename_block): REGNO now unsigned.
4379 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
4381 (all_cases_count): Just return -1 not -2.
4382 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
4383 Rework tests to use trees whenever possible.
4384 Use host_integerp and tree_low_cst.
4385 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
4386 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
4387 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
4388 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
4389 (smallest_mode_for_size): Likewise.
4390 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
4391 KNOWN_ALIGN is now an alignment, so simplify code.
4392 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
4393 (start_record_layout): Renamed from new_record_layout_info.
4394 Update to new fields.
4395 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
4397 (place_union_field): Renamed from layout_union_field.
4398 Update to use new fields in rli.
4399 (place_field): Renamed from layout_field.
4400 Major rewrite to use new fields in rli; pass alignment to layout_decl.
4401 (finalize_record_size): Rework to use new fields in rli and handle
4403 (compute_record_mode): Rework to simplify and to use new DECL fields.
4404 (finalize_type_size): Make rounding more consistent.
4405 (finish_union_layout): Deleted.
4406 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
4407 (layout_type, case RECORD_TYPE): Call new function names.
4408 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
4409 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
4410 (get_best_mode): UNIT is now unsigned; remove casts.
4411 * tree.c (bit_position): Compute from new fields.
4412 (byte_position, int_byte_position): New functions.
4413 (print_type_hash_statistics): Cast to remove warning.
4414 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
4415 (build_index_type): Likewise; make subtype of sizetype.
4416 (build_index_2_type): Pass sizetype to build_range_type.
4417 (build_common_tree_nodes): Use size_int and bitsize_int to
4418 initialize nodes; add bitsize_{zero,one,unit}_node.
4419 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
4420 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
4421 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
4422 (DECL_FIELD_BITPOS): Deleted.
4423 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
4424 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
4425 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
4426 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
4427 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
4428 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
4429 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
4430 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
4431 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
4432 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
4433 (DECL_ALIGN): Adjust to new field in union.
4434 (DECL_OFFSET_ALIGN): New field.
4435 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
4436 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
4437 (union tree_decl): Add struct for both aligns.
4438 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
4439 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
4440 (struct record_layout_info): Rework fields to have offset
4441 alignment and byte and bit position.
4442 (start_record_layout, place_field): Renamed from old names.
4443 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
4444 (byte_position, int_byte_position): Likewise.
4445 (get_inner_reference): Change types of position and length.
4446 * unroll.c (unroll_loop): New variable R; use for some loops.
4447 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
4448 (calculate_giv_inc): Arg REGNO now unsigned.
4449 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
4450 * varasm.c (assemble_variable): Clean up handling of size using
4451 host_integerp and tree_low_cst.
4452 (decode_addr_const): Use byte, not bit, position.
4453 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
4454 use tree_low_cst and int_bit_position.
4455 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
4457 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
4459 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
4460 (reorder_block_def): New members eff_head and eff_end.
4461 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
4462 (verify_insn_chain): New function.
4463 (skip_insns_between_block): Add code to skip deleted insns.
4464 Check for note before using.
4465 (chain_reorder_blocks): Replace calls to skip_insns_between_block
4466 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
4467 Check for note before using.
4468 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
4469 (fixup_reorder_chain): Restructure, clean up, defect removal.
4470 (reorder_basic_blocks): Remove last_insn and references to it.
4471 Moved insn chain verification code into a new function (see above).
4472 Delete defective code that sets last insn.
4473 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
4476 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4478 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
4480 2000-03-24 Richard Henderson <rth@cygnus.com>
4482 * tree.c (lang_safe_for_unsave): Remove.
4483 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
4484 allowing for two levels of unsafeness. Remove lang hook.
4485 * tree.h: Update declarations.
4486 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
4487 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
4488 Always fail sibcalls when there are pending cleanups.
4490 2000-03-24 Geoff Keating <geoffk@cygnus.com>
4492 * flow.c (propagate_block): When we delete an ADDR_VEC,
4493 also delete the BARRIER following it if there is one.
4495 2000-03-24 Richard Henderson <rth@cygnus.com>
4497 * builtins.c (expand_builtin_bzero): Convert `length' argument
4500 2000-03-24 Jakub Jelinek <jakub@redhat.com>
4502 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
4503 comparison if regno's are equal.
4504 * calls.c (initialize_argument_informat): Add ecf_flags argument.
4505 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4506 (expand_call): Update caller.
4507 Avoid making a sibling call if argument size of the callee is larger
4508 than argument size of the caller.
4509 Call hard_function_value with outgoing set if in sibcall pass.
4510 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4512 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
4513 Change LEAF_REGISTERS from an array initializer to actual array
4514 identifier. Move static global variable into the function.
4515 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
4516 sequences for leaf functions.
4517 * global.c (global_alloc): Likewise.
4518 * tm.texi (LEAF_REGISTERS): Update documentation.
4520 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
4521 TARGET_FLAT leaf disabling hack.
4522 (LEAF_REGISTERS): Changed from an array initializer to actual array
4523 identifier to avoid duplication and remove the above hack.
4524 (FUNCTION_OK_FOR_SIBCALL): Define.
4525 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
4526 always like call attribute.
4527 (eligible_for_sibcall_delay): New attribute.
4528 (sibcall): New delay type.
4529 (sibcall, sibcall_value, sibcall_epilogue): New expands.
4530 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
4531 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
4532 * config/sparc/sparc.c (sparc_leaf_regs): New array.
4533 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
4535 (output_function_epilogue): Move part of the code into
4536 output_restore_regs.
4537 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
4539 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
4542 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
4543 until infrastructure is finished.
4545 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
4547 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
4548 (save_parm_insns): Not here.
4550 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4552 * builtins.c (expand_builtin_bzero): New function.
4553 (expand_builtin): Handle bzero.
4555 * builtins.def: Add BUILT_IN_BZERO.
4557 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4558 prototype & function for bzero.
4560 2000-03-23 Michael Meissner <meissner@redhat.com>
4562 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
4563 change adding TARGET_FP to the TF floating point insns, except for
4564 trunctfsf2, which generates direct calls to truncdfsf2.
4566 2000-03-23 Geoff Keating <geoffk@cygnus.com>
4568 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
4569 try to protect against middle-end changes that break binary
4571 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
4573 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4575 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
4577 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4579 * calls.c (expand_call): If TARGET is passed by reference and
4580 is readonly, write a CLOBBER.
4582 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4584 * builtins.c (expand_builtin): Handle bcmp.
4586 * builtins.def: Add BUILT_IN_BCMP.
4588 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4589 prototype & function for bcmp.
4591 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
4593 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
4594 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
4595 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
4597 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
4599 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
4600 alternative when using -fp64 -gp32.
4602 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4604 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
4605 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
4606 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
4608 * frame.h (frame_state): Revert last change.
4609 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
4610 * libgcc2.c (throw_helper): Revert last change.
4612 2000-03-22 Richard Henderson <rth@cygnus.com>
4614 * stmt.c (expand_asm_operands): Don't promote the temporary.
4616 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4618 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
4619 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
4620 c_get_alias_set): Likewise.
4621 * c-decl.c (duplicate_decls): Likewise.
4622 * c-typeck.c (default_conversion,build_unary_op): Likewise.
4623 * calls.c (initialize_argument_information): Likewise.
4624 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
4626 * dwarfout.c (decl_class_context,output_type): Likewise.
4627 * expr.c (get_inner_reference): Likewise.
4628 * fold-const.c (simple_operand_p,fold): Likewise.
4629 * function.c (aggregate_value_p): Likewise.
4630 * stmt.c (expand_asm_operands): Likewise.
4631 * varasm.c (named_section): Likewise.
4633 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4635 Implement dwarf2 exception handling for the ARM.
4636 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
4637 (DWARF_FRAME_RETURN_COLUMN): Define.
4638 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
4639 REG_FRAME_RELATED_EXPR note.
4640 (emit_sfm): Likewise.
4641 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
4642 * dwarf2out.c (reg_save): Handle saving a register to itself.
4643 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
4644 * except.c (eh_regs): Don't use the static chain reg if it's
4646 * frame.h (frame_state): Add cfa_saved field.
4647 * frame.c (execute_cfa_insn): Set it.
4648 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
4650 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
4652 (instantiate_virtual_regs): Adjust.
4654 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4655 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4656 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
4658 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
4659 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
4661 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4663 * builtins.def: New file.
4665 * Makefile.in (TREE_H): Depend on builtins.def.
4667 * builtins.c (built_in_names): Use builtins.def.
4669 * tree.h (built_in_function): Likewise.
4671 2000-03-22 Mark Mitchell <mark@codesourcery.com>
4673 * tree.c (size_in_bytes): Return size_zero_node, not
4676 2000-03-22 Geoff Keating <geoffk@cygnus.com>
4678 * config/fp-bit.c (pack_d): Correct the case when a denormal
4679 is rounded up and stops being denormal.
4681 2000-03-21 Richard Henderson <rth@cygnus.com>
4683 * config/alpha/alpha.c (function_arg): Check for void_type_node
4684 before using MUST_PASS_IN_STACK.
4686 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
4688 * regmove.c (combine_stack_adjustments_for_block): Check that
4689 the stack pointer is a valid memory address.
4691 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
4693 * calls.c: re-install Mar 16 emit_library_call merge.
4695 2000-03-21 Jakub Jelinek <jakub@redhat.com>
4697 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
4698 we cannot be sure that if reload_completed base register will
4699 be properly aligned.
4701 2000-03-21 Richard Henderson <rth@cygnus.com>
4703 * flow.c (delete_block): Fix typo last change.
4705 2000-03-21 Mark Mitchell <mark@codesourcery.com>
4707 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
4708 not COMPLETE_TYPE_P, to check the type of the expression.
4710 2000-03-21 Michael Meissner <meissner@redhat.com>
4712 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
4713 all floating point insns that just tested the macro
4714 TARGET_HAS_XFLOATING_LIBS.
4715 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
4716 used to only use the gprs.
4718 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
4720 * tree.h (COMPLETE_TYPE_P): New macro.
4721 (COMPLETE_OR_VOID_TYPE_P): New macro.
4722 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
4723 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
4724 * c-aux-info.c (gen_type): Use them.
4725 * c-common.c (c_expand_expr_stmt): Likewise.
4726 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
4727 grokdeclarator, grokparms, finish_struct, start_function,
4728 store_parm_decls, combine_parm_decls): Likewise.
4729 * c-parse.y (cast_expr): Likewise.
4730 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
4731 c_size_in_bytes, c_alignof, build_component_ref,
4732 build_indirect_ref, build_array_ref, convert_arguments,
4733 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
4734 * calls.c (initialize_argument_information): Likewise.
4735 * convert.c (convert_to_integer): Likewise.
4736 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
4737 * dwarfout.c (location_or_const_value_attribute,
4738 output_enumeration_type_die, output_structure_type_die,
4739 output_union_type_die, output_type): Likewise.
4740 * expr.c (safe_from_p, expand_expr): Likewise.
4741 * function.c (assign_parms): Likewise.
4742 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
4743 * tree.c (build_array_type, build_function_type,
4744 build_method_type, build_offset_type, build_complex_type): Likewise.
4745 * c-parse.c, c-parse.h: Regenerated.
4747 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4749 * config/c4x/rtems.h: Include config/rtems.h.
4751 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
4753 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
4754 decl is a FUNCTION_DECL
4756 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
4758 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
4759 function uses output registers. Don't save RP for leaf functions.
4760 Do save RP even if no epilogue.
4761 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
4762 (CALL_USED_REGISTERS): Unmark in registers.
4763 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
4766 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4768 * config/rs6000/rs6000.md (bunordered): New expander.
4769 (bordered): New expander.
4770 (buneq): New expander.
4771 (bunge): New expander.
4772 (bungt): New expander.
4773 (bunle): New expander.
4774 (bunlt): New expander.
4775 (bltgt): New expander.
4777 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
4778 (ccr_bit_negated_p): New function.
4779 (print_operand): For %C, generate appropriate cror for UNEQ,
4780 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
4782 2000-03-20 Andreas Jaeger <aj@suse.de>
4784 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
4787 * tree.h (safe_for_unsave): Prototype.
4789 2000-03-20 Richard Henderson <rth@cygnus.com>
4791 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
4792 (combine_stack_adjustments_for_block): Don't allow sp references
4793 in the side of a set we're not fixing up.
4794 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
4795 after life_analysis.
4797 2000-03-20 Richard Henderson <rth@cygnus.com>
4799 * calls.c (expand_call): Don't bother generating tail call
4800 sequences if there are pending cleanups. Use
4801 expand_start_target_temps/expand_end_target_temps to elide
4802 cleanups created during sibcall expansion.
4804 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4806 * configure.in: Set $IFS to a value if it doesn't already have one
4807 in the --enable-checking handling.
4808 * configure: Regenerate.
4810 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4812 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
4813 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4816 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
4818 * jump.c (delete_noop_moves): Remove code attempting to
4819 combine stack adjustments.
4821 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4823 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
4824 * except.c (emit_cleanup_handler): Use them.
4825 (expand_end_all_catch): Likewise.
4826 * function.c (fixup_var_refs): Likewise.
4827 (expand_function_end): Clear catch_clauses_last.
4828 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
4829 * except.h (struct eh_status): New field x_catch_clauses_last.
4830 (catch_clauses_last): New define.
4832 * Makefile.in (tree.o): Depend on HASHTAB_H.
4833 * tree.c: Include hashtab.h.
4834 (struct type_hash): Remove next field.
4835 (TYPE_HASH_SIZE): Remove.
4836 (TYPE_HASH_INITIAL_SIZE): New define.
4837 (type_hash_table): Change type to htab_t.
4838 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
4839 mark_hash_entry): New functions.
4840 (init_obstacks): Allocate type hash.
4841 (type_hash_lookup): Use htab functions.
4842 (type_hash_add, mark_type_hash): Likewise.
4843 (dump_tree_statistics): Call print_type_hash_statistics.
4845 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4847 * rs6000/t-aix41: New file.
4849 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
4851 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
4853 * tm.texi (Driver): Fix typos and tweak entry for
4855 Move misplaced STRUCT_FORCE_BLK entry ...
4856 (Storage Layout): ... to here.
4857 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
4859 2000-03-19 Richard Henderson <rth@cygnus.com>
4861 * flow.c (delete_block): Delete the addr_vec along with the block.
4862 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
4865 * fold-const.c (extract_muldiv): Apply type check for defined
4866 overflow to multiply as well as divide.
4868 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
4870 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4872 * emit-rtl.c (remove_unncessary_notes): Check that all
4873 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
4874 associated NOTE_BLOCK.
4875 * function.h (identify_blocks): Update comments.
4876 (reorder_blocks): Declare.
4877 * function.c (identify_blocks): Don't take paramters.
4878 (reorder_blocks): Don't take parameters.
4879 * loop.h (find_loop_tree_blocks): Remove.
4880 (unroll_block_trees): Likewise.
4881 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
4882 reorder_blocks instead of unroll_block_trees.h
4883 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
4884 * stmt.c (find_loop_tree_blocks): Remove.
4885 (unroll_block_trees): Likewise.
4886 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
4887 in whole-function mode.
4888 * tree.h (reorder_blocks): Remove declaration.
4890 * expr.c: Include intl.h.
4891 * Makefile.in (expr.o): Depend on intl.h.
4893 2000-03-18 Richard Henderson <rth@cygnus.com>
4895 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
4897 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4899 * tree.h (tree_index): Remove enumerals for integer types.
4900 (integer_type_kind): New type.
4901 (integer_types): New variable.
4902 (char_type_node): Adjust.
4903 (signed_char_type_node): Likewise.
4904 (unsigned_char_type_node): Likewise.
4905 (short_integer_type_node): Likewise.
4906 (short_unsigned_type_node): Likewise.
4907 (integer_type_node): Likewise.
4908 (unsigned_type_node): Likewise.
4909 (long_integer_type_node): Likewise.
4910 (long_unsigned_type_node): Likewise.
4911 (long_long_integer_type_node): Likewise.
4912 (long_long_unsigned_type_node): Likewise.
4913 * tree.c (integer_types): New variable.
4914 (init_obstacks): Register it as a root.
4916 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
4918 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
4919 NEXT_INSN. Update last insn in chain.
4921 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
4923 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
4924 with TYPE_DECL_SUPPRESS_DEBUG set.
4926 2000-03-18 Richard Henderson <rth@cygnus.com>
4928 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
4930 2000-03-18 Richard Henderson <rth@cygnus.com>
4932 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
4933 care for HALF_PIC_P.
4934 (expander_call_insn_operand): Remove.
4935 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
4936 * i386.h (PREDICATE_CODES): Update.
4937 * i386.md (all call expanders): Remove predicates, remove special
4938 handling for half-pic.
4939 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
4940 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
4941 (sibcall_epilogue): New.
4943 2000-03-17 Richard Henderson <rth@cygnus.com>
4945 * rtlanal.c (single_set): Reject if the parallel has anything
4946 except SET or USE or CLOBBER.
4948 2000-03-17 Jeff Law <law@cygnus.com>
4949 Richard Henderson <rth@cygnus.com>
4951 * Makefile.in (OBJS): Add sibcall.o.
4953 * sibcall.c: New file.
4954 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
4955 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
4956 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
4957 Emit sibcall patterns when requested. Update all callers.
4958 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
4959 elimination seems feasable.
4960 * final.c (leaf_function_p): Sibling calls don't discount being
4962 * flow.c (HAVE_sibcall_epilogue): Provide default.
4963 (find_basic_blocks_1): Sibling calls don't throw.
4964 (make_edges): Make edge from sibling call to EXIT.
4965 (propagate_block): Don't remove sibcall_epilogue insns.
4966 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
4967 (sibcall_epilogue): New.
4968 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
4969 (identify_blocks_1): Likewise. Break out from ...
4970 (identify_blocks): ... here.
4971 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
4972 (reorder_blocks): ... here.
4973 (init_function_for_compilation): Zap prologue/epilogue as varrays.
4974 (record_insns): Extend a varray instead of mallocing new memory.
4975 (contains): Read a varray not array of ints.
4976 (sibcall_epilogue_contains): New.
4977 (thread_prologue_and_epilogue_insns): Emit and record
4978 sibcall_epilogue patterns.
4979 (init_function_once): Allocate prologue/epilogue varrays.
4980 * genflags.c (gen_insn): Treat sibcall patterns as calls.
4981 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
4983 (save_for_inline_nocopy): ... here.
4984 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
4986 (expand_inline_function): ... here.
4987 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
4988 (subst_constants): Handle 'n' formats.
4989 * jump.c (jump_optimize_minimal): New.
4990 (jump_optimize_1): New arg `minimal'; update callers. Elide most
4991 optimizations if it's set.
4992 * rtl.c (copy_rtx): Do copy jump & call for insns.
4993 * rtl.h (struct rtx_def): Document use of jump and call for insns.
4994 (SIBLING_CALL_P): New.
4995 (sibcall_use_t): New.
4996 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
4997 Invoke optimize_sibling_and_tail_recursive_calls.
4998 * tree.c (lang_safe_for_unsave): New.
4999 (safe_for_unsave): New.
5000 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
5002 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
5003 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
5004 (*sibcall_osf_1, *sibcall_value_osf_1): New.
5006 2000-03-17 Mark Mitchell <mark@codesourcery.com>
5008 * objc/objc-act.c (encode_method_prototype): Pass types, not
5009 PARM_DECLs, to int_size_in_bytes.
5011 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
5013 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
5015 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
5016 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
5018 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5020 * Clean up usages of TREE_INT_CST_LOW.
5021 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
5022 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
5024 * c-tree.h (min_precision): Move declaration to here.
5025 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
5026 (build_unary_op, add_pending_init): Use bit_position.
5027 (pending_init_member, process_init_element): Likewise.
5028 (really_start_incremental_init, push_init_level, pop_init_level):
5029 Don't make copies of nodes or modify them in place, use consistent
5030 types when tracking positions, and use tree routines computations.
5031 (set_init_index, output_init_element): Likewise.
5032 (output_pending_init_elements, process_init_element): Likewise.
5033 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
5034 tree_low_cst and int_bit_position; also minor cleanup.
5035 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
5036 (print_cst_octal): Precision is unsigned.
5037 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
5038 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
5039 (simple_type_align_in_bits): Result is unsigned int.
5040 Use tree_int_low_cst and host_integerp.
5041 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
5042 (field_byte_offset): Result is HOST_WIDE_INT.
5043 Change types of internal variables so alignments are unsigned int,
5044 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
5045 Use host_integerp, tree_low_cst, and int_bit_position.
5046 (add_bit_offset_attribute): Likewise.
5047 (add_data_member_location_attribute): Use tree_cst_low.
5048 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
5049 (add_bit_size_attribute): Use tree_low_cst.
5050 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
5051 * dwarfout.c: Similar changes to dwarf2out.c.
5052 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
5053 * genoutput.c (n_occurences): Return -1 for null string.
5054 (strip_whitespace): Accept null string and make into function.
5055 (scan_operands): Reflect above changes.
5056 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
5057 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
5058 * ssa.c (rename_registers): Add missing cast of arg to bzero.
5059 * tree.c (int_size_in_bytes): Check for too big to represent.
5060 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
5061 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
5063 (min_precision): Delete from here.
5064 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
5065 and int_bit_position.
5066 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
5067 (encode_method_def): Likewise.
5068 (build_ivar_list_initializer): Use int_bit_position.
5069 (generate_shared_structures): Convert size.
5070 (encode_type, encode_complete_bitfield): Use integer_zerop.
5071 (encode_bitfield): Use tree_low_cst and int_bit_position.
5073 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5075 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
5077 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5079 * call.c (special_function_p): It is only malloc if it returns
5082 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5084 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
5085 (C33_FLAG, TARGET_C3X): Add macros.
5086 (TARGET_SWITCHES): Add -m33 option.
5087 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
5089 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5091 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
5092 (PARALLEL_PACK_FLAG): Delete.
5093 (TARGET_SWITCHES): Update.
5094 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
5096 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5098 * fold-const.c (fold): Fix a few cases when the returned result
5099 is not of the same type as the input.
5101 2000-03-16 Nick Clifton <nickc@cygnus.com>
5103 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
5106 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5108 * libgcc2.h: Move prototypes above macros with the same name.
5109 Wrap some function prototypes in the conditional which indicates
5110 whether they are supported, i.e. "BITS_PER_UNIT == 8".
5112 2000-03-16 Richard Henderson <rth@cygnus.com>
5114 * calls.c: Revert last two changes.
5116 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
5118 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
5119 has exponent 0 is a zero.
5121 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
5122 HASH may already be nonzero. Add code/mode into hash value
5123 immediately after repeat label.
5124 (cselib_lookup): Don't leave the hash table in an inconsistent
5125 state before a hash lookup operation.
5127 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
5129 * i386.md (all HI and QI mode non-move patterns): Conditionize
5130 by TARGET_[HQ]IMODE_MATH.
5131 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
5132 x86_promote_qi_regs): Declare.
5133 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
5134 TARGET_PROMOTE_QI_REGS): New macros.
5135 (PROMOTE_MODE): New macro.
5136 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
5137 x86_promote_qi_regs): New global variables.
5139 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
5141 * calls.c (emit_library_call_value_1): Break out from ...; handle
5142 VOIDmode function calls too.
5143 (emit_library_call_value): ... here.
5144 (emit_library_call): Implement by calling emit_library_call_value_1.
5146 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
5148 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
5149 Update arg_space_so_far on stack adjustments.
5150 (emit_library_call, emit_library_call_value): Likewise; take into
5151 account arg_space_so_far and pending_stack_adjust when calculcating
5154 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
5156 * flow.c: Move all basic block reordering code into its own file.
5157 (create_basic_block): Externalize.
5158 * bb-reorder.c: New file. Copy all basic block reordering code from
5159 flow.c to this file.
5160 (reorder_basic_blocks): Fix fencepost error in for-loop.
5161 (reorder_basic_blocks): Remove braces from single statement for-loops.
5162 * basic-block.h: Add declaration for create_basic_block.
5163 * Makefile.in: Add rules for bb-reorder.o.
5165 2000-03-16 Neil Booth <NeilB@earthling.net>
5167 * cppinit.c (handle_option): Implement #unassert directive
5168 as -A- command line option.
5169 (print_help): Update.
5170 * cpptexi.c: Update.
5172 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
5174 * md.texi (Standard Names): Document `jump'.
5176 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5178 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
5181 2000-03-15 Geoff Keating <geoffk@cygnus.com>
5183 Merge changes from newppc-branch onto trunk.
5185 2000-03-15 Geoff Keating <geoffk@cygnus.com>
5187 * rs6000.c (toc_hash_table): Update for new hash table functions.
5188 (toc_hash_function): Likewise.
5189 (toc_hash_eq): Likewise.
5190 (toc_hash_mark_entry): Likewise.
5191 (toc_hash_mark_table): Likewise.
5192 (output_toc): Likewise.
5193 (rs6000_add_gc_roots): Likewise.
5195 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5197 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
5198 (AR_FLAGS_FOR_TARGET): here. New macro.
5200 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
5202 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
5203 fpmem_operand) Delete.
5205 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
5206 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
5207 (rs6000_save_machine_status, rs6000_restore_machine_status,
5208 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
5209 references to above variables.
5210 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
5211 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
5212 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
5213 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
5214 (XER_REGNO_P, XER_REGNO): New.
5215 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
5216 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
5217 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
5219 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5220 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
5221 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
5223 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5225 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
5226 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
5227 * rs6000.h: from here.
5229 * rs6000-protos.h (rs6000_select_section): Provide prototype.
5230 (rs6000_select_rtx_section): Likewise.
5231 (rs6000_encode_section_info): Likewise.
5232 (sdata_section): Likewise.
5233 (sdata2_section): Likewise.
5234 (sbss_section): Likewise.
5235 * sysv4.h (rs6000_select_section): Delete prototype.
5236 (rs6000_select_rtx_section): Likewise.
5237 (rs6000_encode_section_info): Likewise.
5238 (sdata_section): Likewise.
5239 (sdata2_section): Likewise.
5240 (sbss_section): Likewise.
5241 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
5243 * sysv4.h: Delete various unnecessary #undef's and put a comment
5244 on the remaining ones.
5245 Change various comments according to coding standard.
5247 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
5249 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
5250 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
5251 (CR0_REGNO_P) Remove.
5252 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
5253 setup_incoming_varargs, mtcrf_operation, print_operand,
5254 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
5255 Use the above macros.
5257 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
5259 * config/rs6000/rs6000.md: Added a new alternative for each
5260 pattern that had a 'x' alternative but no 'y' alternative.
5261 Added a new split for each of the above patterns.
5263 2000-02-18 Geoff Keating <geoffk@cygnus.com>
5265 * aix41.h (ASM_CPU_SPEC): Delete.
5266 (CPP_CPU_SPEC): Delete.
5268 * aix.h (RS6000_OUTPUT_BASENAME): Define.
5269 (ASM_OUTPUT_LABEL): Define.
5270 (ASM_GLOBALIZE_LABEL): Define.
5271 (STRIP_NAME_ENCODING): Define.
5272 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
5273 (STRIP_NAME_ENCODING): Don't define.
5274 (ASM_OUTPUT_LABEL): Don't define.
5275 (ASM_GLOBALIZE_LABEL): Don't define.
5276 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
5277 names, and ASM_OUTPUT_LABEL to output labels, rather than
5279 (ASM_OUTPUT_LABEL): Define.
5280 (ASM_OUTPUT_INT): Use assemble_name.
5281 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
5282 (STRIP_NAME_ENCODING): Don't undefine first.
5283 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
5285 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
5286 specified with 'asm' even with -fleading-underscore.
5287 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
5288 (output_epilog): Likewise.
5289 (output_toc): Likewise.
5290 * tramp.asm: Handle -fleading-underscore correctly.
5292 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
5294 (nonlocal_goto_receiver): Delete.
5295 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
5297 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
5298 (SET_ASM_OP): Define.
5299 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
5301 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
5304 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
5305 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
5307 * rs6000.h: Add 'u' to more constants.
5309 2000-02-18 David Edelsohn <edelsohn@gnu.org>
5311 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
5313 2000-02-15 David Edelsohn <edelsohn@gnu.org>
5315 * rs6000.c (reg_or_u_cint_operand): New function.
5316 (logical_operand): Handle 64-bit hosts.
5317 (logical_u_operand): New function.
5318 (non_logical_cint_operand): Handle 64-bit hosts.
5319 (non_logical_u_cint_operand): New function.
5320 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
5321 (PREDICATE_CODES): Define new functions.
5322 * rs6000-protos.h: Declare new functions.
5323 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
5324 (movdi_64): Bracket code intended for 64-bit hosts. Create
5325 CONST_DOUBLE for 32-bit values.
5326 (scc insns): Generate DImode compares.
5327 (mfcr insns): Create DImode versions.
5328 (sge matchers): New patterns.
5330 2000-02-15 Gabriel Paubert <paubert@iram.es>
5332 * rs6000.md: Correct instructions length attributes and
5333 constraints on unsigned compare instructions.
5334 (*ne0): Disable for PowerPC64.
5336 2000-02-11 Geoff Keating <geoffk@cygnus.com>
5338 * rs6000.c (output_function_profiler): Use .long for a 32-bit
5339 quantity, fix profile1.C test failure under -fPIC.
5341 * rs6000.c: Add 'u' to many constants to suppress warnings.
5342 (constant_pool_expr_1): Make static.
5343 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
5344 * rs6000.h: Add 'u' to many constants to suppress warnings.
5346 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
5347 for the start of the TOC, instead of LCTOC..0.
5348 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
5350 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
5351 (load_toc_aix_di): Use LCTOC..1.
5353 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
5354 * rs6000.c (rs6000_legitimize_address): New function from
5355 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
5356 symbols in the constant pool that really are TOC references.
5357 (print_operand_address): For ELF, write TOC offsets under
5358 -fPIC as subtractions in the insn.
5359 (output_toc): For ELF, define symbols in TOC as normal labels,
5361 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
5362 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
5363 (create_TOC_reference): Prototype only when RTX_CODE is defined.
5364 * rs6000.md (movsi): Only use create_TOC_reference on
5365 symbols in the constant pool that really are TOC references.
5367 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
5368 * rs6000.c (rs6000_reorg): Delete.
5369 * rs6000-protos.h (rs6000_reorg): Delete.
5371 2000-02-09 Geoff Keating <geoffk@cygnus.com>
5373 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
5375 * aix.h (SETUP_FRAME_ADDRESSES): Define.
5376 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
5377 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
5378 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
5379 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
5380 rs6000_aix_emit_builtin_unwind_init.
5381 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
5382 rs6000_emit_eh_toc_restore on AIX.
5383 (return_eh_si): Use r2.
5384 (return_eh_di): Use r2.
5386 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
5387 since we're breaking binary compatibility anyway.
5389 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
5391 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
5392 constant_pool_expr_p): Declare them.
5393 (constant_pool_expr_p): Declare it.
5394 * config/rs6000/rs6000.c (toc_label_name): Define.
5395 (rs6000_override_options): Set toc_label_name.
5396 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
5397 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
5398 uses_TOC): New functions.
5399 (print_operand): Delete old '*' case.
5400 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
5401 and strip off rtl for TOC before calling output_addr_const.
5402 (rs6000_emit_load_toc_table): Use toc_label_name.
5403 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
5405 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
5406 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
5407 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
5408 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
5409 into explicit TOC_REGISTER offsets.
5410 (TOC_REGISTER): New macro.
5411 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
5412 TARGET_TOC to reference TOC_REGISTER.
5413 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
5414 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
5415 uses_TOC before emitting label references.
5417 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5419 * rs6000.md (stack_tie): Fix warning.
5421 * eabi-ctors.c: Use 'asm' names for the start/end variables,
5422 to handle -fleading-underscore.
5423 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
5424 (USER_LABEL_PREFIX): New macro.
5425 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
5426 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
5427 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
5428 call-linux can use the same multilibs.
5429 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
5430 and call-linux multilibs. Do multilib with -fleading-underscore.
5431 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
5432 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
5435 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
5436 have MASK_SOFT_FLOAT set.
5437 (CPP_FLOAT_DEFAULT_SPEC): New macro.
5438 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
5439 CPP_FLOAT_DEFAULT_SPEC.
5441 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
5442 * rs6000.md: Whitespace change.
5443 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
5444 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
5446 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5448 * rs6000.md (eh_epilogue): New expander.
5449 (eh_reg_restore): New expand/split/insn combination.
5450 (return_eh_si): New insn.
5451 (return_eh_di): New insn.
5453 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
5454 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
5455 * eabi-ctors.c (__do_global_ctors): Register this object's
5456 frame. Clean up. Call atexit() after the constructors.
5457 (__do_global_dtors): Deregister this object's frame. Clean up.
5458 Allow for recursive calls to exit().
5459 * rs6000.c (fixuplabelno): New variable.
5460 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
5461 TARGET_RELOCATABLE, it slows down exec() under linux.
5462 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
5464 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
5465 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
5466 (ASM_OUTPUT_DWARF_DELTA2): New macro.
5467 (ASM_OUTPUT_DWARF_DELTA4): New macro.
5468 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
5469 (ASM_OUTPUT_DWARF_ADDR): New macro.
5470 (ASM_OUTPUT_DWARF_DATA4): New macro.
5471 (ASM_OUTPUT_DWARF_DATA2): New macro.
5472 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
5473 (ASM_OUTPUT_DWARF_OFFSET): New macro.
5474 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
5476 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5478 * rs6000.c (rs6000_sr_alias_set): New variable.
5479 (rs6000_override_options): Initialise rs6000_sr_alias_set.
5480 (rs6000_emit_stack_tie): New function.
5481 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
5482 in a way that dwarf2out can understand.
5483 (rs6000_frame_related): New function.
5484 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
5485 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
5486 Use rs6000_emit_stack_tie when needed.
5487 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
5488 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
5489 * rs6000.md (stack_tie): New insn.
5490 (return_internal_si): Allow return value to be in the count
5492 (return_internal_di): Likewise.
5494 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
5496 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5498 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
5500 2000-01-31 Geoff Keating <geoffk@cygnus.com>
5502 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
5504 * rs6000.md (stmw): Use the right POWER opcode.
5507 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5509 * rs6000-protos.h: New file.
5511 * rs6000.c: Include tm_p.h. Fix compile time warnings.
5513 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
5516 * sysv4.h: Likewise.
5518 2000-01-28 Geoff Keating <geoffk@cygnus.com>
5520 * ../../configure.in: Delete powerpcle-*-winnt*
5521 and powerpcle-*-pe|powerpcle-*-cygwin*.
5522 * ../../configure: Regenerated.
5524 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
5525 (TARGET_WINDOWS_NT): Delete.
5527 (CALL_NT_DLLIMPORT): Delete.
5528 Delete NT-specific code.
5529 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
5532 * nt-ci.asm: Delete.
5533 * nt-cn.asm: Delete.
5534 * ntstack.asm: Delete.
5536 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5538 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
5539 (ASM_FILE_START): Likewise.
5540 (ASM_DECLARE_FUNCTION_NAME): Likewise.
5541 (ASM_OUTPUT_LABELREF): Likewise.
5542 (ASM_OUTPUT_SKIP): Likewise.
5543 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
5544 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5545 (ASM_OUTPUT_CASE_LABEL): Likewise.
5546 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
5547 (ASM_OUTPUT_ASCII): Likewise.
5549 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
5551 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
5552 reload_toc_labelno for non-prologue TOC reloads. Also, don't
5553 increment rs6000_pic_labelno here.
5554 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
5555 and increment rs6000_pic_labelno here.
5557 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
5559 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
5560 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
5561 allocation knows (reg) is dead before the insn.
5563 2000-01-21 Geoff Keating <geoffk@cygnus.com>
5565 * rs6000.md (movsi_to_cr): Correct typo in output template.
5567 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5569 * rs6000.c (rs6000_pic_labelno): Always define.
5570 (rs6000_pic_func_labelno): Delete.
5571 (lmw_operation): Check for a zero base register,
5572 which doesn't mean what we want.
5573 (stmw_operation): New function.
5574 (print_operand): Define new 'l' modifier.
5575 (rs6000_stack_info): We must save all 64 bits of the registers
5576 if TARGET_POWERPC64.
5577 (rs6000_output_load_toc_table): Delete.
5578 (rs6000_emit_load_toc_table): New function.
5579 (rs6000_allocate_stack_space): Delete.
5580 (rs6000_emit_allocate_stack): New function.
5581 (rs6000_emit_prologue): New function.
5582 (output_prolog): Use rs6000_emit_prologue.
5583 (rs6000_emit_epilogue): Change a few variable names to be
5584 more accurate. Restore all 64 bits of the registers if
5585 TARGET_POWERPC64. Only restore the FP registers which were used
5586 if they are being saved/restored one-at-a-time.
5587 (output_mi_thunk): Delete inefficient code generation.
5588 (output_function_profiler): Don't use rs6000_output_load_toc_table.
5589 * rs6000.h: Declare rs6000_emit_load_toc_table,
5590 rs6000_allocate_stack_space, stmw_operation. Don't declare
5591 rs6000_output_load_toc_table.
5592 * rs6000.md (elf_high): Allow register 0, but discourage it
5594 (elf_low): Support loading into register 0.
5595 (load_toc_aix_si): New pattern.
5596 (load_toc_aix_di): New pattern.
5597 (load_toc_v4_pic_si): New pattern.
5598 (load_toc_v4_pic_di): New pattern.
5599 (load_toc_v4_PIC_1): New pattern.
5600 (load_toc_v4_PIC_1b): New pattern.
5601 (load_toc_v4_PIC_2): New pattern.
5602 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
5603 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
5604 (prologue): New expander.
5605 (movesi_from_cr): New pattern.
5606 (stmw): New pattern.
5607 (save_fpregs_si): New pattern.
5608 (save_fpregs_di): New pattern.
5610 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5612 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
5617 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5619 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
5621 (movsi_got_internal): Likewise.
5622 (movsi_got_internal+1): Likewise.
5623 (set_sp): 'unspec 7' does a SImode clobber.
5625 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5627 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
5628 allocate a stack temporary.
5629 (floatsidf2_internal): Likewise.
5630 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
5632 (floatunssidf2): Don't use the fpmem "register", just
5633 allocate a stack temporary.
5634 (floatunssidf2_internal): Likewise.
5635 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
5637 (floatsidf2_loadaddr): Delete.
5638 (floatsidf2_store1): Delete.
5639 (floatsidf2_store2): Delete.
5640 (floatsidf2_load): Delete.
5641 (fix_truncdfsi2): Don't use the fpmem "register", just
5642 allocate a stack temporary.
5643 (fix_truncdfsi2_internal_si): Delete.
5644 (fix_truncdfsi2_internal_di): Delete.
5645 (fix_truncdfsi2_internal): New insn.
5646 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
5647 (fix_truncdfsi2_store): Delete.
5648 (fix_truncdfsi2_load): Delete.
5649 (fctiwz): Produce gen_fctiwz.
5651 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5653 * eabi.h (INVOKE__main): Define.
5654 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
5656 (rs6000_emit_prologue): Likewise.
5657 * rs6000.h (struct rs6000_stack): Don't keep track of whether
5658 this is the main program.
5660 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5662 * rs6000.c (rs6000_va_arg): Delete some unused variables.
5664 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5666 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
5667 goes after the argument.
5669 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5671 * rs6000.md: Document 'unspec' values used.
5672 (epilogue): New expander.
5673 (movesi_to_cr_one): New expander.
5674 (movesi_to_cr and following): New pattern.
5676 (return_internal_si): New pattern.
5677 (return_internal_di): New pattern.
5678 (return_and_restore_fpregs_si): New pattern.
5679 (return_and_restore_fpregs_di): New pattern.
5680 * rs6000.h: Declare new functions.
5681 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
5682 rather than rs6000_calls_p.
5683 (rs6000_makes_calls): Delete.
5684 (lmw_operation): New function.
5685 (mtcrf_operation): New function.
5686 (rs6000_emit_epilogue): New function.
5687 (output_epilog): Call rs6000_emit_epilogue and final if
5688 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
5690 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5692 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
5693 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
5694 * aix.h (SUBTARGET_SWITCHES): Document switches.
5695 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
5696 sched-prolog and sched-epilog the same. Document all the
5698 (TARGET_OPTIONS): No longer allow -mdebug-.
5700 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5702 * rs6000.h (ASM_FILE_END): Move to aix.h.
5703 (EXTRA_SECTIONS): Move to aix.h.
5704 (READONLY_DATA_SECTION): Move to aix.h.
5705 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
5706 (SELECT_SECTION): Move to aix.h.
5707 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
5708 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
5709 (LINK_REGISTER_REGNUM): New definition.
5710 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
5711 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
5713 * sysv4.h: Delete the code between the inclusion of rs6000.h
5715 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
5716 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
5717 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
5718 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
5719 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
5720 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
5721 (fix_truncdfsi2_internal_di): New pattern.
5722 (fix_truncdfsi2_store): The second arg here is Pmode too.
5723 (fix_truncdfsi2_load): The second arg here is Pmode too.
5724 (tablejumpdi): Now that switch tables hold only SImode values,
5725 gcc needs to know how to add them to the pc which is DImode.
5726 * rs6000.c (rs6000_stack_info): Use symbolic name for
5727 LINK_REGISTER_REGNUM.
5728 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
5729 (output_toc): Delete unused variables s1 and s2.
5730 (output_ascii): Use fputs not fprintf on a variable string.
5732 2000-01-07 David Edelsohn <edelsohn@gnu.org>
5734 * rs6000.c (processor_target_table): Add power3 as alias for 630.
5735 * aix43.h: Revert Aug 2 change.
5736 (HAS_INIT_SECTION): Define, not visible yet.
5737 (LD_INIT_SWITCH): Define, not visible yet.
5738 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
5740 2000-01-04 Joel Sherrill (joel@OARcorp.com>
5742 * config/rs6000/rtems.h: Include config/rtems.h.
5744 2000-01-04 David Edelsohn <edelsohn@gnu.org>
5746 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
5747 (SLOW_UNALIGNED_ACCESS): Define.
5748 (CASE_VECTOR_MODE): Always use 32-bit offsets.
5749 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
5750 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
5751 (toc_section): Likewise and .toc pseudo-op.
5752 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
5754 (TEXT_SECTION_ASM_OP): Likewise.
5755 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
5758 1999-12-17 Jakub Jelinek <jakub@redhat.com>
5760 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
5761 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
5764 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5766 * rs6000.h: Move more stuff from here...
5768 * sysv4.h: Cleanup accordingly.
5769 * netware.h: Likewise
5771 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5773 * rs6000.h: Continue cleanup.
5776 * netware.h: Likewise.
5778 * sysv4.h: Likewise.
5779 * win-nt.h: Likewise.
5781 * rs6000.h (TARGET_SWITCHES): Add descriptions.
5782 (TARGET_OPTIONS): Likewise.
5784 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
5785 (SUBTARGET_OPTIONS): Likewise.
5787 * rs6000.md: Fix compile time warnings.
5789 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5791 vxworks patches from the Cygnus tree originally by
5792 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
5793 <vmakarov@cygnus.com>.
5794 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
5795 (ENDFILE_SPEC): Likewise.
5796 (LIB_VXWORKS_SPEC): New macro.
5797 (STARTFILE_VXWORKS_SPEC): New macro.
5798 (ENDFILE_VXWORKS_SPEC): New macro.
5799 (LINK_START_VXWORKS_SPEC): New macro.
5800 (LINK_OS_VXWORKS_SPEC): New macro.
5801 (CPP_OS_VXWORKS_SPEC): New macro.
5802 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
5803 * vxppc.h: Rewrite to use proper configuration method.
5804 * vxppcle.h: New file.
5805 * ../../configure.in: Add powerpcle-wrs-vxworks*.
5806 * ../../configure: Rebuilt.
5808 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5810 Lots of changes to rs6000.h, sysv4.h, aix.h,
5811 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
5812 with the aim that rs6000.h is the first header
5813 included and the others override it.
5816 * x-aix41-gld: Remove.
5818 * x-aix41: Remove target-specific switches, and don't specify
5819 -Wl,-bbigtoc as we don't need it any more.
5820 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
5821 Use t-aix43 for AIX 4.3 and above.
5822 * ../../configure: Regenerated.
5824 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
5825 options, that don't do anything yet.
5826 (MASK_SCHED_PROLOG): New macro.
5827 (MASK_SCHED_EPILOG): New macro.
5828 (TARGET_SCHED_PROLOG): New macro.
5829 (TARGET_SCHED_EPILOG): New macro.
5831 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5833 * rs6000.c: Correct comment, the `minimal' TOCs are actually
5834 one per translation unit, not one per function.
5835 (output_toc): Also do duplicate constant elimination
5836 for per-translation-unit TOCs.
5838 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
5839 a comment explaining _exactly_ when this pattern gets used.
5840 (builtin_setjmp_receiver): New pattern for better clarity.
5841 (init_v4_pic): Move it into a section dealing with TOC registers.
5843 1999-12-30 Geoff Keating <geoffk@cygnus.com>
5845 * rs6000.c (toc_hash_table): New variable.
5846 (rs6000_hash_constant): New function.
5847 (toc_hash_function): New function.
5848 (toc_hash_eq): New function.
5849 (toc_hash_mark_entry): New function.
5850 (toc_hash_mark_table): New function.
5851 (output_toc): Don't output duplicate TOC entries in
5853 (rs6000_add_gc_roots): Add the hash table as a GC root.
5854 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
5855 where they clearly shouldn't be. This may need to be fixed
5856 later when there is a GNU ar for AIX.
5857 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
5858 Don't define BOOT_LDFLAGS as it is now not necessary.
5860 1999-12-29 Geoff Keating <geoffk@cygnus.com>
5862 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
5863 for va_list on AIX. Use unsigned_char_type_node rather than
5864 constructing our own version on svr4.
5866 1999-12-17 Geoff Keating <geoffk@cygnus.com>
5868 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
5869 since patently it's not.
5871 1999-12-08 Geoff Keating <geoffk@cygnus.com>
5873 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
5874 define_expand/define_insn pair, and handle restore of the
5875 SVR4 -fpic register.
5877 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
5879 * acconfig.h (HAVE_GAS_WEAK): New define.
5880 * configure.in (assembler weak support): Check for .weak support.
5881 * config.in, configure: Rebuilt.
5882 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
5883 HAVE_GAS_WEAK is defined.
5885 2000-03-15 Nick Clifton <nickc@cygnus.com>
5887 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
5890 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
5892 * cppfiles.c (open_include_file): New function.
5893 (find_include_file, cpp_read_file): Use it.
5895 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5897 * cpphash.c (dump_hash_helper): Take the slot, not the element.
5899 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
5901 * flow.c (verify_flow_info): Check for unconditional return.
5903 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
5905 * config/ia64/ia64.md (restore_stack_nonlocal): New.
5906 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
5907 (__ia64_restore_stack_nonlocal): New.
5908 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
5910 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5912 * cpphash.c (collect_formal_parameters): Do not complain about
5913 parameter names that just start with `__VA_ARGS__'.
5915 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
5917 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
5918 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
5919 * i386.c (pentiumpro_cost): Set mul cost to 4.
5920 (x86_use_movx): Set for PPro.
5922 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
5924 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
5925 STACK_BOUNDARY for empty frames now.
5927 2000-03-14 Mark Mitchell <mark@codesourcery.com>
5929 * stor-layout.c (layout_union): Remove.
5930 (layout_union_field): New function, split out from layout_union.
5931 (finish_union_layout): Likewise.
5932 (layout_field): Handle unions by calling layout_union_field.
5933 (finish_record_layout): Handle unions.
5934 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
5935 QUAL_UNION_TYPE handling.
5937 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
5939 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
5940 end of basic block is jump_insn, not barrier; use create_basic_block
5941 instead of creating basic block by hand.
5943 2000-03-14 Jason Eckhardt <jle@cygnus.com>
5945 * flow.c (reorder_basic_blocks): Account for barriers when writing
5946 over NEXT_INSN (last_bb->end).
5947 (verify_flow_info): Add check for missing barriers.
5949 2000-03-14 Greg McGary <gkm@gnu.org>
5951 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
5952 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
5953 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
5954 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
5955 __unbounded, __unbounded__): New keywords.
5956 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
5957 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
5958 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
5960 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
5962 * cselib.h: New file.
5963 * alias.c: Include "cselib.h".
5964 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
5965 MEMs as two new arguments.
5966 (get_addr): New static function.
5967 (find_base_term): Handle VALUEs.
5968 (memrefs_conflict_p): Likewise.
5969 (true_dependence): Call get_addr on the addresses.
5970 Call fixed_scalar_and_varying_struct_p with addresses that have been
5971 passed through get_addr and canon_rtx.
5972 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
5973 with true_dependence.
5974 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
5975 * loop.c: Include "cselib.h".
5976 (load_mems): Process extended basic block that enters the loop with
5977 cselib. Use that information to change initialization of the shadow
5978 register so that a constant equivalence is seen by later passes.
5979 * reload1.c: Include "cselib.h".
5980 (reload_cse_invalidate_regno): Delete function.
5981 (reload_cse_mem_conflict_p): Likewise.
5982 (reload_cse_invalidate_mem): Likewise.
5983 (reload_cse_invalidate_rtx): Likewise.
5984 (reload_cse_regno_equal_p): Likewise.
5985 (reload_cse_check_clobber): Likewise.
5986 (reload_cse_record_set): Likewise.
5987 (reg_values): Delete static variable.
5988 (invalidate_regno_rtx): Likewise.
5989 (reload_cse_delete_noop_set): New static function.
5990 (reload_cse_simplify): New static function, broken out of
5992 (reload_cse_noop_set_p): Delete unused argument INSN.
5993 Just call rtx_equal_for_cselib_p on set source and destination.
5994 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
5995 reload_cse_delete_noop_set. Delete code to keep track of values; use
5996 cselib functions instead. Delete code to push/pop obstacks.
5997 (reload_cse_simplify_set): Use cselib to find equivalent values.
5998 Delete code to push/pop obstacks.
5999 (reload_cse_simplify_operands): Likewise.
6000 * rtl.def (VALUE): New rtx code.
6001 * rtl.h (union rtunion_def): New elt rt_cselib.
6002 (X0CSELIB, CSELIB_VAL_PTR): New macros.
6003 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
6004 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
6005 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
6006 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
6007 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
6008 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
6009 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
6010 cselib_record_set, cselib_record_sets): New static functions.
6011 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
6012 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
6013 references_value_p): New functions.
6014 (MAX_USELESS_VALUES, REG_VALUES): New macros.
6015 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
6016 n_useless_values, reg_values, callmem, cselib_obstack,
6017 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
6018 New static variables.
6019 * varray.h (union varray_data_tag): New elt te.
6020 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
6021 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
6024 2000-03-14 Nick Clifton <nickc@cygnus.com>
6026 * gcc.c (do_spec_1): Catch the case where %* is used in a
6027 substitution pattern, but it has not been initialised.
6028 Issue a meaningful error message if an unrecognised operator
6029 is encountered in a spec string.
6031 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
6033 * function.c (prepare_function_start): Correctly initialize
6034 cfun->stack_alignment_needed.
6036 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
6038 * cppfiles.c (find_include_file): Don't assume nshort is a
6041 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
6043 * configure.in (hppa configurations): Add pa32-regs.h to the
6044 list of tm files as appropriate.
6045 * configure: Rebuilt.
6046 * pa.c (compute_frame_size): Remove explicit knowledge about FP
6048 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
6049 (fmpyaddoperands, fmpysuboperands): Likewise.
6050 * pa.h: Remove various definitions which depend on knowing
6051 how registers are numbered.
6052 * pa32-regs.h: New file with PA32 register numbering specific
6055 2000-03-14 Richard Henderson <rth@cygnus.com>
6057 * regmove.c (combine_stack_adjustments): New.
6058 (stack_memref_p, single_set_for_csa): New.
6059 (free_csa_memlist, record_one_stack_memref): New.
6060 (try_apply_stack_adjustment): New.
6061 (combine_stack_adjustments_for_block): New.
6062 * rtl.h (combine_stack_adjustments): Declare.
6063 * toplev.c (rest_of_compilation): Call it.
6065 * i386.md: Revert 2000-01-16 change.
6067 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6069 * gccbug.in: Add web category, gcc specific classes.
6071 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
6073 * stor-layout.c (finalize_record_size): Fix typo.
6075 2000-03-14 Stan Shebs <shebs@apple.com>
6077 * c-typeck.c (c_alignof): Error on incomplete types.
6078 * extend.texi (Alignment): Document this.
6080 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6082 * cppfiles.c: Include mkdeps.h.
6083 (find_include_file, read_include_file): Remove _cpp_ prefix
6084 from name, make static.
6085 (_cpp_execute_include): New function, broken out of
6088 * cpplib.c: Don't include mkdeps.h.
6089 (struct directive): Remove type field. Reorder entries. The
6090 function takes only one argument.
6091 (struct if_stack): Make type field an int.
6092 (directive_table): Rename to dtable. Generate it, the
6093 prototypes of the directive handlers, and the enum for the
6094 directive numbers, from a template macro.
6095 (do_ifndef, do_include_next, do_import): New functions.
6096 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
6097 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
6098 do_ident, do_assert, do_unassert, do_sccs): Take only one
6100 (do_sccs): Define always, but alter behavior based on
6102 (_cpp_handle_directive, consider_directive_while_skipping):
6103 Restructure for new directive table layout.
6105 (pass_thru_directive): Take a directive number, not a pointer
6106 to a struct directive.
6107 (parse_include): New function, broken out of do_include.
6108 (do_include, do_import, do_include_next): Use parse_include
6109 and _cpp_execute_include.
6110 (do_elif, do_else): Test for T_ELSE specifically when checking
6111 for #elif/#else after #else.
6112 (parse_ifdef): New function, broken out of do_ifdef.
6113 (validate_else): Expect a name arg without a leading #.
6114 (if_directive_name): Delete.
6115 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
6116 directive handlers with only one argument.
6118 * cpphash.h: Update prototypes.
6119 (enum node_type): Remove entries for directives.
6120 * Makefile.in: Update dependencies.
6122 * cpphash.c (dump_hash_helper): Only dump nodes of type
6123 T_MACRO. Emit a newline after each definition.
6125 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6127 * gccbug.in: New file.
6128 * configure.in (all_outputs): Add gccbug.
6129 * Makefile.in (install-common): Install gccbug.
6130 (GCCBUG_INSTALL_NAME): New variable.
6131 * configure: Rebuilt.
6133 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
6135 * function.c (put_var_into_stack): Use type_for_mode to calculate
6136 part_type. Use MEM_SET_IN_STRUCT_P.
6137 * expr.c (store_field): Handle CONCAT.
6138 (store_constructor): Use fields_length.
6139 * tree.c (fields_length): New fn.
6140 * tree.h: Declare it.
6142 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6144 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
6145 (cpplex.o): New target.
6146 * po/POTFILES.in: Add cpplex.c.
6148 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
6149 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
6150 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
6151 skip_block_comment, skip_line_comment, skip_comment,
6152 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
6153 _cpp_parse_name, skip_string, parse_string,
6154 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
6155 _cpp_get_directive_token, find_position,
6156 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
6157 (maybe_macroexpand, _cpp_lex_token): New functions.
6159 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
6160 parse_goto_mark): Delete.
6161 (_cpp_handle_eof): New function.
6162 (_cpp_handle_directive): Rename from handle_directive.
6163 (_cpp_output_line_command): Rename from output_line_command.
6164 (do_if, do_elif): Call _cpp_parse_expr directly.
6165 * cppfiles.c (_cpp_read_include_file): Don't call
6166 init_input_buffer here.
6167 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
6168 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
6169 here; pop the token_buffer and skip the rest of the line here.
6170 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
6173 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
6175 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
6176 CPP_GOTO_MARK): New macros.
6177 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
6178 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
6179 _cpp_read_and_prescan, _cpp_init_input_buffer,
6180 _cpp_grow_token_buffer, _cpp_get_directive_token,
6181 _cpp_handle_directive, _cpp_handle_eof,
6182 _cpp_output_line_command): Prototype them here.
6183 * cpplib.h (enum cpp_token): Add CPP_MACRO.
6184 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
6185 quote_string, output_line_command): Remove.
6187 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
6189 * stmt.c (expand_end_case): RANGE may be signed, and when checking
6190 whether it is too large we must also verify that it isn't negative.
6192 2000-03-13 Jakub Jelinek <jakub@redhat.com>
6194 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
6195 (movsi_zero_liveg0): Remove.
6196 (movsf_insn_novis_liveg0): Remove.
6198 (negsi2_not_liveg0): Rename to negsi2.
6199 (one_cmplsi2): Remove.
6200 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
6201 (one_cmplsi2_liveg0): Remove.
6202 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
6203 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
6204 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
6205 (PREDICATE_CODES): Remove zero_operand.
6206 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
6207 TARGET_BROKEN_SAVERESTORE.
6208 (zero_operand): Remove.
6209 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
6210 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
6212 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
6213 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
6214 TARGET_BROKEN_SAVERESTORE): Remove.
6215 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6217 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6219 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6222 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
6224 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6226 * cpplib.c (do_pragma_implementation): Fix off-by-one error
6227 truncating a string. Don't assume tokens are nul terminated.
6228 Problem noted by Andreas Jaeger <aj@suse.de>
6230 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
6232 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
6233 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
6234 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
6236 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
6238 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
6239 STRUCTURE_SIZE_BOUNDARY.
6241 2000-03-13 Mark Mitchell <mark@codesourcery.com>
6243 * tree.h (record_layout_info_s): New structure.
6244 (record_layout_info): New type.
6245 (new_record_layout_info): New function.
6246 (layout_field): Likewise.
6247 (finish_record_layout): Likewise.
6248 * stor-layout.c (layout_record): Remove.
6249 (new_record_layout_info): New function.
6250 (layout_field): New function, broken out from layout_record.
6251 (finalize_record_size): Likewise.
6252 (compute_record_mode): Likewise.
6253 (finalize_type_size): New function, broken out from layout_type.
6254 (finish_record_layout): Likewise.
6255 (layout_type): Use them.
6257 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6259 * cpphash.c: Don't include version.h.
6260 (special_symbol) [case T_VERSION]: Look for the string in
6261 hp->value.cpval; don't use version_string.
6262 * cppinit.c (initialize_builtins): Set hp->value.cpval for
6263 __VERSION__ to version_string.
6264 * Makefile.in (cpphash.o): Update deps.
6266 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6268 Convert cpplib to use libiberty/hashtab.c.
6270 * cpplib.h (struct cpp_reader): Make hashtab and
6271 all_include_files of type 'struct htab *'. Delete HASHSIZE
6272 and ALL_INCLUDE_HASHSIZE macros.
6274 * cpphash.h: Update prototypes.
6275 (struct hashnode): Remove next, prev, and bucket_hdr members.
6276 Make length a size_t. Add hash member.
6277 (struct ihash): Remove next member. Add hash member. Make
6278 name a flexible array member.
6280 * cppfiles.c: Include hashtab.h.
6281 (include_hash): Delete.
6282 (IHASHSIZE): New macro.
6283 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
6284 (cpp_included): Do the hash lookup here.
6285 (_cpp_find_include_file): Rewrite.
6286 (cpp_read_file): Put the "fake" hash entry into the hash
6287 table. Honor the control_macro, if it turns out we've seen
6288 the file before. Don't push the buffer here.
6289 (_cpp_read_include_file): Push the buffer here.
6290 (OMODES): New macro. Use it whenever we call open(2).
6292 * cpphash.c: Include hashtab.h.
6293 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
6294 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
6295 _cpp_lookup_slot): New functions.
6296 (HASHSIZE): new macro.
6297 (hashf, _cpp_install, _cpp_delete_macro): Delete.
6298 (_cpp_lookup): Use hashtab.h routines.
6300 * cppinit.c: Include hashtab.h.
6301 (cpp_reader_init): Call _cpp_init_macro_hash and
6302 _cpp_init_include_hash. Don't allocate hashtab directly.
6303 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
6304 pfile->all_include_files.
6305 (initialize_builtins): Use _cpp_make_hashnode and
6306 htab_find_slot to add hash entries.
6307 (cpp_finish): Just call _cpp_dump_macro_hash.
6308 * cpplib.c: Include hashtab.h.
6309 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
6310 create hash entries.
6311 (do_pragma_poison, do_assert): Likewise.
6312 (do_include): Don't push the buffer here. Don't increment
6313 system_include_depth unless _cpp_read_include_file succeeds.
6314 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
6316 (do_pragma_implementation): Use alloca to create copy.
6318 * Makefile.in: Update dependencies.
6320 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6322 * cppinit.c (cl_directive_handler): More K&R fixing.
6324 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
6326 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
6328 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
6330 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6332 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
6333 Change from char[] to macros.
6335 2000-03-12 Neil Booth <NeilB@earthling.net>
6337 * cppinit.c (cpp_start_read): Update indirect function
6340 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
6342 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
6345 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
6346 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
6348 2000-03-11 Neil Booth <NeilB@earthling.net>
6350 * cppinit.c (struct pending option): Replace undef with a
6351 pointer to a directive handling routine.
6352 (struct cpp_pending): Replace separate assert_ and define_
6353 lists with one directive_ list.
6354 (new_pending_define): Rename new_pending_directive. Extra
6355 argument is the directive's handling routine.
6356 (handle_option): Update to use new_pending_directive.
6358 2000-03-11 Neil Booth <NeilB@earthling.net>
6360 * cppfiles.c (file_cleanup, _cpp_find_include_file,
6361 remap_filename, _cpp_read_include_file, actual_directory,
6362 hack_vms_include_specification): Replace bcopy(), index() etc
6363 calls. Add casts to some allocations. Make some variables
6364 pointers to const [unsigned] char.
6365 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
6366 collect_formal_parameters): Similarly.
6367 * cppinit.c (struct pending_option, append_include_chain,
6368 cpp_options_init, cpp_reader_init, initialize_standard_includes,
6369 cpp_start_read, new_pending_define, handle_option): Similarly.
6370 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
6371 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
6372 do_pragma_implementation, detect_if_not_defined,
6373 do_ifdef, skip_if_group, cpp_get_token, parse_string,
6374 do_assert, do_unassert): Similarly.
6375 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
6376 function prototypes.
6377 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
6379 2000-03-10 Richard Henderson <rth@cygnus.com>
6381 * builtins.c (expand_builtin_strlen): Revert last change.
6382 Use emit_insn_before if we're at the beginning of a sequence.
6384 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
6386 * builtins.c (expand_builtin_strlen): Make sure that we have something
6387 at the beginning of the sequence.
6389 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
6392 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
6394 2000-03-10 Richard Henderson <rth@cygnus.com>
6396 * except.c (can_throw): Use INTVAL on a CONST_INT.
6397 (reachable_handlers): Likewise.
6398 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
6400 2000-03-10 Andreas Jaeger <aj@suse.de>
6402 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
6403 MD_STARTFILE_PREFIX since those are not needed on linux.
6404 (ASM_FILE_START): New, from mips/gnu.h.
6406 2000-03-09 Richard Henderson <rth@cygnus.com>
6407 Alex Samuel <samuel@codesourcery.com> and others
6409 * Makefile.in (ssa.o): New rule.
6411 (STAGESTUFF): Add *.ssa and *.ussa.
6412 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
6413 * rtl.def (PHI): New RTL expression.
6414 * rtl.h (clear_log_links): New declaration.
6415 (convert_to_ssa): Likewise.
6416 (convert_from_ssa): Likewise.
6417 * flow.c (split_edge): If the entry node falls through to the
6418 split edge's source block, split the entry edge.
6419 (clear_log_links): New function.
6420 * toplev.c (ssa_dump): New variable.
6421 (flag_ssa): Likewise.
6422 (f_options): Add "ssa".
6423 (compile_file): Create SSA dump files.
6424 (rest_of_compilation): Go to and from SSA if enabled.
6425 (decide_d_option): Handle -de for SSA dump files.
6428 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
6430 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
6433 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
6435 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
6437 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
6439 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
6440 (MD_STARTFILE_PREFIX_1): New macro.
6442 2000-03-09 Robert Lipe <robertl@sco.com>
6444 * config/ia64/ia64.c: Include system.h.
6446 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6448 * except.c (nothrow_function_p): If -fno-exceptions, just return.
6449 (init_eh_nesting_info): Likewise.
6451 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
6452 (TREE_NOTHROW): Rename from TREE_RAISES.
6453 * toplev.c (rest_of_compilation): Set it.
6454 * print-tree.c (print_node): Adjust.
6455 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
6456 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
6457 * calls.c (emit_call_1): Add 'nothrow' parm. Add
6458 REG_EH_REGION note as appropriate.
6459 (libfunc_nothrow): New fn.
6460 (emit_library_call, emit_library_call_value): Use it.
6461 (expand_call): Check TREE_NOTHROW.
6463 * varasm.c (make_decl_rtl): Skip initial '*' when setting
6464 DECL_ASSEMBLER_NAME.
6466 2000-03-09 Andreas Jaeger <aj@suse.de>
6468 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
6469 (TARGET_MEM_FUNCTIONS): Define.
6471 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6473 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
6475 * except.c (can_throw): See through a SEQUENCE.
6476 (nothrow_function_p): New fn.
6477 * except.h: Declare it.
6478 * function.c (current_function_nothrow): New var.
6479 (prepare_function_start): Initialize it.
6480 * output.h: Declare it.
6481 * toplev.c (rest_of_compilation): Set it.
6482 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
6484 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
6486 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
6487 match. (cpp_compare_defs): Count the nul separator when
6488 advancing over argument names.
6490 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
6492 * recog.c (preprocess_constraints): Matching constraints affect
6493 same alternative/different operand, not same operand/different
6496 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
6497 register and a constant specially.
6499 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6501 * libgcc2.h: New file.
6502 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
6504 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
6506 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
6507 * configure: Regenerate.
6510 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6512 * Makefile.in (LIBCPP_DEPS): New macro.
6513 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
6515 * cpperror.c: Include cpphash.h.
6516 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
6518 (lex): Don't use CPP_WARN_UNDEF.
6519 (_cpp_parse_expr): Return an int, the truth value.
6520 * cppfiles.c: Include cpphash.h.
6521 (_cpp_merge_include_chains): Move to cppinit.c and make static.
6522 * cppinit.c (include_defaults_array): Disentangle.
6523 (cpp_cleanup): Don't free the if stack here.
6524 (cpp_finish): Pop off all buffers, not just one.
6525 * cpplib.c (eval_if_expr): Return int.
6526 (do_xifdef): Rename do_ifdef.
6527 (handle_directive): Don't use CPP_PREPROCESSED.
6528 (cpp_get_token): Don't use CPP_C89.
6529 * fix-header.c: Don't use CPP_OPTIONS.
6531 * cpplib.h: Move U_CHAR, enum node_type, struct
6532 file_name_list, struct ihash, is_idchar, is_idstart,
6533 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
6534 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
6535 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
6536 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
6537 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
6538 of _cpp_simplify_pathname, _cpp_find_include_file,
6539 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
6540 Move struct if_stack to cpplib.c. Move struct cpp_pending to
6542 Change all uses of U_CHAR to be unsigned char instead.
6543 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
6545 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6547 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
6548 (dwarf2out_begin_prologue): Set it.
6549 (output_call_frame_info): Don't emit EH unwind info for leaves.
6551 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
6552 can occur outside of an EH region.
6553 * except.c: Correct comments about rethrow behavior.
6554 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
6556 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
6558 * flow.c (make_edges): Always call make_eh_edge for calls.
6560 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6562 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
6563 (struct cpp_buffer): Remove fname and underflow fields.
6564 (struct cpp_reader): Remove get_token field.
6565 (struct include_hash): Rename to struct ihash. Add typedef to
6567 (struct if_stack): Remove fname field.
6568 (IF_STACK_FRAME): Rename to IF_STACK.
6570 * cpperror.c (print_containing_files): Trust that there are no
6571 macro buffers below the top file buffer.
6572 * cppfiles.c: Replace all references to 'struct include_hash'
6573 with 'IHASH'. Rename initialize_input_buffer to
6574 init_input_buffer. Don't set or reference cpp_buffer->fname,
6575 use buffer->ihash->name instead.
6576 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
6577 not CPP_NULL_BUFFER.
6578 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
6579 IF_STACK_FRAME, IHASH not struct include_hash.
6580 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
6581 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
6582 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
6583 references to cpp_buffer->fname (delete entirely, or use
6584 ->ihash->name instead) and IF_STACK->fname.
6585 (cpp_push_buffer): Don't set new->underflow.
6586 (do_include): Use cpp_file_buffer.
6588 * cpphash.c (collect_formal_parameters): Remove duplicate
6589 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
6590 used as a macro argument name. Don't append "..." to namebuf
6591 for varargs macros. After we're done scanning, go through
6592 namebuf and make it NUL separated, not comma separated.
6593 (_cpp_compare_defs): Remove register tag from variables.
6594 Expect defn->argnames to be NUL separated.
6595 (_cpp_dump_definition): Expect defn->argnames to be NUL
6596 separated and in forward order.
6597 * cpphash.h: Update documentation of argnames field.
6599 2000-03-08 Richard Henderson <rth@cygnus.com>
6601 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
6602 to fail. Don't pre-expand the source operand.
6604 * i386.md (strlensi): Initialize eoschar and align before use.
6606 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6608 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
6609 CONSTRUCTOR element.
6611 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
6613 * mips.c (mips_expand_prologue): If the last
6614 named argument is the vararg marker "va_list", treat it as
6615 an unnamed argument.
6617 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
6619 * dbxout.c (dbxout_parms): When correcting for promoted
6620 big-endian parameters, use the mode of the DECL_RTL rather
6621 than UNITS_PER_WORD.
6623 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
6625 * c-common.h (make_fname_decl): Declare.
6626 * c-common.c (make_fname_decl): Define.
6627 (declare_hidden_char_array): Remove.
6628 (declare_function_name): Use make_fname_decl.
6629 * c-decl.c (c_make_fname_decl): New function.
6630 (init_decl_processing): Set make_fname_decl.
6632 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
6634 * cccp.c (handle_directive): Initialize backslash_newlines_p.
6636 2000-03-07 Philipp Thomas <pthomas@suse.de>
6638 * po/POTFILES.in: Remove cppalloc.c from file list.
6640 2000-03-07 Steve Chamberlain <sac@pobox.com>
6642 * pj.c (pj_expand_prologue): current_function->args_info is
6643 now current_function_args_info.
6645 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
6646 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
6647 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
6649 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6651 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
6652 output as hexadecimal rather than the default octal.
6654 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6656 * cpphash.c (special_symbol): Fix thinko in previous commit.
6658 2000-03-07 Neil Booth <NeilB@earthling.net>
6660 * cppexp.c (struct operation, left_shift, right_shift,
6661 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
6662 "int"s to "unsigned int"s.
6663 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
6665 * cpplib.h: Update for above.
6666 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
6667 returned from allocations.
6669 * cppinit.c (opt_comp, parse_options): New functions.
6670 (handle_option): Use parse_option to parse a single command
6671 line option, that possibly takes an argument.
6672 (cpp_handle_options): Sort the array of command line options on
6673 first invocation (non-ASCII hosts only).
6674 (print_help): Update.
6676 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6678 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
6679 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
6681 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
6683 * cppinit.c (cpp_cleanup): Free imp->nshort also.
6685 * cpperror.c (cpp_print_containing_files,
6686 cpp_print_file_and_line, v_cpp_message): Rename to
6687 print_containing_files, print_file_and_line, and v_message.
6688 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
6689 to _cpp_parse_expr, parse_escape, and lex.
6690 (parse_charconst): Remove broken multibyte support.
6691 * cppfiles.c (include_hash): Make static.
6692 (cpp_included): New function.
6693 (merge_include_chains, find_include_file, finclude,
6694 simplify_pathname): Rename to _cpp_merge_include_chains,
6695 _cpp_find_include_file, _cpp_read_include_file, and
6696 _cpp_simplify_pathname.
6697 * cpphash.c (cpp_lookup, free_definition, delete_macro,
6698 cpp_install, create_definition, macroexpand, compare_defs,
6699 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
6700 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
6701 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
6702 * cppinit.c (cpp_handle_option): Rename to handle_option, make
6704 * cpplib.c: Remove extern prototype of cpp_parse_expr.
6706 * cpphash.h: Update prototypes.
6707 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
6709 2000-03-07 Andrew Haley <aph@cygnus.com>
6711 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
6712 PTRDIFF_TYPE should be based solely on Pmode.
6715 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6717 * rtl.h (rtunion_def): Constify member `rtstr'.
6718 (emit_line_note_after, emit_line_note, emit_line_note_force,
6719 emit_note, decode_asm_operands): Constify.
6721 * cse.c (canon_hash): Likewise.
6723 * dbxout.c (dbxout_block): Likewise.
6725 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
6726 v_warning_for_asm): Likewise.
6728 * dwarfout.c (function_start_label): Likewise.
6730 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
6731 emit_line_note_force): Likewise.
6733 * final.c (last_filename, asm_insn_count, final_scan_insn,
6734 output_source_line): Likewise.
6736 * function.h (struct emit_status): Likewise.
6738 * gcse.c (hash_expr_1): Likewise.
6740 * genattr.c (gen_attr, main): Likewise.
6742 * genattrtab.c (struct function_unit, current_alternative_string,
6743 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
6744 attr_numeral, check_attr_test, check_attr_value,
6745 convert_set_attr_alternative, convert_set_attr,
6746 compute_alternative_mask, simplify_by_exploding, gen_attr,
6747 gen_unit): Likewise.
6749 * genflags.c (gen_insn): Likewise.
6751 * gengenrtl.c (type_from_format): Likewise.
6753 * genopinit.c (gen_insn): Likewise.
6755 * genoutput.c (n_occurrences, process_template, process_template):
6758 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6761 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6764 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
6765 ggc_set_mark, ggc_get_size): Likewise.
6767 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
6769 * optabs.c (init_one_libfunc): Likewise.
6771 * output.h (assemble_start_function): Likewise.
6773 * recog.c (decode_asm_operands): Likewise.
6775 * toplev.c (rest_of_compilation): Likewise.
6777 * tree.h (emit_line_note_after, emit_line_note,
6778 emit_line_note_force): Likewise.
6780 * varasm.c (asm_output_bss, asm_output_aligned_bss,
6781 asm_emit_uninitialised, assemble_start_function,
6782 assemble_variable, const_hash, compare_constant_1,
6783 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
6785 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
6787 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
6789 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
6791 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
6793 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
6794 arm_dllimport_name_p): Likewise.
6796 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
6799 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
6801 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6803 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
6804 arm_mark_dllexport, arm_mark_dllimport,
6805 arm_pe_encode_section_info): Likewise.
6807 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
6808 ASM_FINISH_DECLARE_OBJECT): Likewise.
6810 * arm/thumb.c (thumb_function_prologue): Likewise.
6812 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
6814 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6816 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
6818 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
6820 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
6822 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6824 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
6825 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
6827 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
6829 * i386/i386.c (asm_output_function_prefix): Likewise.
6831 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
6833 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6835 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
6837 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
6838 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
6839 ASM_OUTPUT_SECTION_NAME): Likewise.
6841 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
6843 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
6845 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
6847 * m32r/m32r.c (m32r_encode_section_info): Likewise.
6849 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6851 * mcore/mcore.c (mcore_encode_section_info): Likewise.
6853 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6855 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6857 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6859 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
6861 * mips/mips.md (movdi, movsi): Likewise.
6863 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6865 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6867 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6869 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
6870 ASM_OUTPUT_ASCII): Likewise.
6872 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
6873 output_mi_thunk, output_toc): Likewise.
6875 * rs6000/rs6000.md (movsi): Likewise.
6877 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
6879 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
6881 * v850/v850.c (print_operand, print_operand_address,
6882 v850_encode_data_area): Likewise.
6884 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
6886 * config/mips/mips.md (zero_extendsidi2): Always force operand
6887 one to memory for mips16.
6889 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6891 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
6892 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
6893 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
6894 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
6895 (min_precision): Result is unsigned.
6896 (add_double, neg_double, mul_double): Low word is unsigned.
6897 (lshift_double, rshift_double, lrotate_double): Likewise.
6898 (rrotate_double, div_and_round_double): Likewise.
6899 (tree_floor_log2, compare_tree_int): New functions.
6900 (preserve_rtl_expr_temps): New declaration.
6901 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
6902 (decl_attributes): Use tree_log2 to find alignment.
6903 Check for TREE_INT_CST_HIGH for format args.
6904 (min_precision): Now unsigned.
6905 Use tree_floor_log2.
6906 (truthvalue_conversion): Delete long-disabled code.
6907 * c-decl.c (finish_struct): Clean up tests on field width.
6908 (finish_function): Use compare_tree_int.
6909 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
6910 * c-typeck.c (comptypes): Use tree_int_cst_equal.
6911 (default_conversion, digest_init): Use compare_tree_int.
6912 (build_binary_op): Use integer_all_onesp and compare_tree_int.
6913 Fix type errors in forming masks.
6914 * calls.c (initialize_argument_information): Use compare_tree_int.
6915 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6916 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
6917 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
6918 (store_field): Use compare_tree_int.
6919 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
6920 (expand_expr, case ARRAY_REF): Use compare_tree_int.
6921 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
6922 (do_store_flag): Use compare_tree_int.
6923 * fold-const.c (encode, decode): Low part is always unsigned.
6924 (force_fit_type, add_double, neg_double, mul_double): Likewise.
6925 (lshift_double, rshift_double, lrotate_double): Likewise.
6926 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
6927 (fold_convert): Use compare_tree_int.
6928 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
6929 (invert_truthvalue, case INTEGER_CST): Likewise.
6930 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
6931 * mkdeps.c (deps_dummy_targets): Make I unsigned.
6932 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
6933 (lshift_double, rshift_double, lrotate_double, rrotate_double):
6935 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
6936 (expand_end_case): Use compare_tree_int.
6937 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6938 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
6939 (layout_decl): Likewise.
6940 (layout_record, layout_union): Make sizes unsigned.
6941 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
6942 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
6943 * tree.c (struct type_hash): hashcode is unsigned.
6944 (build_type_attribute_variant, type_hash_list): Likewise.
6945 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
6946 (attribute_hash_list, build_array_type, build_method_type): Likewise.
6947 (build_complex_type): Likewise.
6948 (real_value_from_int_cst): Remove unneeded casts.
6949 (integer_all_onesp): Add casts.
6950 (tree_floor_log2, compare_tree_int): New functions.
6951 (build_index_type): Use tree_int_cst_sgn.
6952 * varasm.c (assemble_variable): Use compare_tree_int.
6954 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
6956 * cpphash.c (collect_expansion): Also catch ## at start of macro.
6958 * varasm.c (make_decl_rtl): Don't add a number to members of
6960 (make_function_rtl): Likewise.
6962 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6964 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
6965 patch from 2000-01-28.
6967 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
6969 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
6970 filled with an insn from the jump target.
6972 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6974 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
6975 (c4x_external_ref): Likewise.
6976 * config/c4x/c4x.c (struct name_list): Likewise.
6978 1999-12-16 Ben Collins <bcollins@debian.org>
6980 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
6981 argument to genmultilib.
6982 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
6983 the contents into the multilib.h header.
6984 * gcc.c: Declare multilib_exclusions for the specs file.
6985 (set_multilib_dir): Use it.
6986 (print_multilib_info): Likewise.
6987 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
6988 to pass to genmultilib.
6990 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6992 * builtins.c (built_in_class_names, built_in_names): Constify a
6995 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
6997 (_mcleanup): Ensure value matches format specifier in sprintf.
6999 * cpphash.c (special_symbol): Don't needlessly cast away
7002 * cppinit.c (base_name): Delete unused prototype.
7004 * mkdeps.c (deps_init): Make definition K&R safe.
7006 * tree.h (built_in_class_names, built_in_names): Constify a
7009 2000-03-06 Jakub Jelinek <jakub@redhat.com>
7011 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
7012 floating point instructions for epilogue delay.
7014 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
7015 to gas if it supports .register pseudo.
7017 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
7018 LONG_DOUBLE_TYPE_SIZE if not defined.
7019 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
7020 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
7022 * gengenrtl.c: Likewise.
7023 * print-rtl.c: Likewise.
7025 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
7026 MASK_LONG_DOUBLE_128.
7027 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
7028 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
7029 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
7030 (SUBTARGET_SWITCHES): Define.
7031 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
7032 with -mlong-double-128.
7033 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
7034 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
7035 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
7036 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
7037 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
7038 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
7039 with -mlong-double-128.
7040 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
7041 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
7042 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
7043 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
7044 TARGET_LONG_DOUBLE_128): Define.
7045 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
7046 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
7047 long double on TARGET_ARCH64.
7049 2000-03-06 Mark Mitchell <mark@codesourcery.com>
7051 * function.c (free_temps_for_rtl_expr): Don't free slots
7052 that have been pushed into a higher level.
7055 2000-03-05 Mark Mitchell <mark@codesourcery.com>
7057 2000-03-05 Mark Mitchell <mark@codesourcery.com>
7059 * basic-block.h (ALLOCA_REG_SET): Remove.
7060 (INITIALIZE_REG_SET): New macro.
7061 * flow.c (update_life_info): Use it.
7062 (calculate_global_regs_live): Likewise.
7063 (propagate_block): Likewise.
7064 * global.c (build_insn_chain): Likewise.
7065 * haifa-sched.c (schedule_region): Likewise.
7067 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
7069 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
7070 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
7071 (DWARF_ARANGES_PAD_SIZE): New define.
7072 (output_aranges): Use it to pad the address range header.
7073 (DWARF_ROUND): Fix for non power of 2 rounding.
7075 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
7077 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
7079 2000-03-05 Mark Mitchell <mark@codesourcery.com>
7081 * tree.def (RTL_EXPR): Update documentation.
7082 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
7083 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
7084 * function.c (preserve_rtl_expr_temp): New function.
7085 (preserve_rtl_expr_temps): Likewise.
7086 (preserve_rtl_expr_result): Use it.
7089 2000-03-04 Mark Mitchell <mark@codesourcery.com>
7091 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
7093 * regmove.c (copy_src_to_dest) Do not create src->dest move
7094 for unchanging destination.
7096 2000-03-04 Mark Mitchell <mark@codesourcery.com>
7098 * function.h (struct sequence_stack): Remove rtl_expr.
7099 (struct emit_staus): Likewise.
7100 (seq_rtl_expr): Remove.
7101 * tree.h (free_temps_for_rtl_expr): Don't declare.
7102 (start_sequence_for_rtl_expr): Likewise.
7103 * rtl.h (preserve_rtl_expr_result): Likewise.
7104 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
7105 (start_sequence_for_rtl_expr): Remove.
7106 (push_topmost_sequence): Don't save sequence_rtl_expr.
7107 (pop_topmost_sequence): Remove comment about not restoring it.
7108 (end_sequence): Don't set seq_rtl_expr.
7109 (init_emit): Don't initialize it.
7110 (mark_sequence_stack): Don't mark it.
7111 (mark_emit_status): Likewise.
7112 * except.c (protect_with_terminate): Use
7113 start_sequence_for_rtl_expr, not start_sequence.
7114 * expr.c (expand_expr, case RTL_EXPR): Don't call
7115 preserve_rtl_expr_result or free_temps_for_rtl_expr.
7116 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
7117 (preserve_rtl_expr_result): Remove.
7118 (free_temps_for_rtl_expr): Likewise.
7119 (pop_temp_slots): Likewise.
7120 (mark_temp_slot): Don't mark the rtl_expr.
7121 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
7122 start_sequence_for_rtl_expr.
7124 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
7126 * mkdeps.c, mkdeps.h: New files.
7127 * po/POTFILES.in: Add them.
7128 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
7129 (cpplib.o, cppinit.o): Depend on mkdeps.h.
7130 (mkdeps.o): New target.
7132 * cppfiles.c: Delete deps_output.
7133 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
7134 OBJECT_SUFFIX, and base_name.
7135 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
7137 (initialize_dependency_output): Use deps_init,
7138 deps_add_target, deps_calc_target, and deps_add_dep. Remove
7139 all the unnecessary string bashing.
7140 (cpp_finish): Use deps_write. Remove an unnecessary nesting
7142 * cpplib.c (do_include): Use deps_add_dep.
7143 * cpplib.h (struct cpp_reader): Replace deps_buffer,
7144 deps_allocated_size, deps_size, deps_column members with
7145 single pointer to a struct deps. Delete prototype of
7148 * cppinit.c: Fix thinko in previous patch.
7150 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7152 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
7153 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
7154 (mode_for_size_tree): New function.
7155 (layout_decl, layout_type): Call it and clean up BLKmode checks.
7156 * tree.h (mode_for_size_tree): New declaration.
7158 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
7160 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
7162 * stmt.c (is_body_block): Move...
7163 * dwarfout.c, dwarf2out.c: ...from here.
7164 * tree.h: Declare it.
7165 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
7166 * final.c (final_start_function): Do call remove_unnecessary_notes
7169 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
7171 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
7173 * cpplib.h (_dollar_ok): New macro.
7174 (is_idchar, is_idstart): Use it.
7175 (IStable): Rename to _cpp_IStable. Declare it const if
7176 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
7177 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
7178 is_space): Update for renamed IStable.
7180 * cppinit.c: Delete all references to FAKE_CONST and CAT
7181 macros. Define init_IStable as empty macro if gcc >=2.7 or
7182 C99. Change TABLE() to ISTABLE and hardcode name of table.
7183 (cpp_start_read): Don't change the IStable based on
7186 * cpphash.c (unsafe_chars): Add pfile argument. All callers
7187 changed. Handle '$' for char1 correctly.
7188 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
7190 * cppexp.c (tokentab2): Make const.
7191 (cpp_lex): Make toktab const.
7192 * cppinit.c (include_defaults_array): Make const.
7193 (initialize_standard_includes): Make default_include const.
7195 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7197 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
7198 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
7199 (gen_decl_die): Likewise.
7200 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
7201 (output_decl): Likewise.
7203 * varasm.c (make_function_rtl): If we change the name used in the
7204 rtl, update DECL_ASSEMBLER_NAME accordingly.
7205 (make_decl_rtl): Likewise.
7207 * toplev.c (rest_of_compilation): Tweak formatting.
7209 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
7210 remove_unnecessary_notes.
7211 (debug_ignore_block): New fn.
7212 * toplev.h: Declare it.
7213 * emit-rtl.c (remove_unncessary_notes): Call it.
7214 * dwarf2out.c (dwarf2out_ignore_block): New fn.
7215 * dwarf2out.h: Declare it.
7216 * final.c (final_start_function): Don't call remove_unnecessary_notes
7217 if we did insn scheduling.
7219 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
7221 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
7222 * cpplib.h: Delete SET_CPP_PEDANTIC.
7224 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7226 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
7227 result is a RECORD_TYPE.
7229 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
7231 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
7233 2000-03-03 Richard Henderson <rth@cygnus.com>
7235 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
7236 addition over compliments over shifts.
7238 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7240 * reload1.c (reload_combine_note_use): Handle return register USEs.
7241 REG case: Handle multi-hard-register hard regs.
7243 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7245 * md.texi: Document use of '*' in insn pattern name.
7247 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7249 * calls.c (special_function_p): operator new may not be malloc-like.
7251 * gcse.c (dump_hash_table): Really fix error in last change.
7253 2000-03-02 Denis Chertykov <denisc@overta.ru>
7255 * avr.c (print_operand): Use print_operand_address instead of
7257 * avr/libgcc.S: Cleanup code.
7259 2000-03-02 Richard Henderson <rth@cygnus.com>
7261 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
7263 2000-03-02 Mark Mitchell <mark@codesourcery.com>
7265 * tree.h (TYPE_ALIGN_UNIT): New macro.
7267 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
7269 * i386.c: (constant_call_address_operand): Reject CONST_INT.
7271 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
7273 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
7275 (SET_CPP_PEDANTIC): New macro.
7276 * cpplib.c (do_include): Don't bother checking system_header_p.
7277 (do_warning, do_ident, do_assert, do_unassert): Likewise.
7278 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
7280 * function.h (struct expr_status): Add x_arg_space_so_far.
7281 (arg_space_so_far): New macro.
7282 * expr.c (init_expr): Initialize it.
7283 * calls.c (emit_call_1): Reset it.
7284 (compute_argument_block_size, expand_call): Use it.
7285 (expand_call, store_one_arg): Increment it.
7287 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7289 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
7292 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
7294 * cppfiles.c (cpp_read_file): New function.
7296 * cpphash.c (collect_expansion): Make sure to reset last_token
7297 to NORM when we hit a string. Handle trailing whitespace
7298 properly when the expansion is empty.
7299 (create_definition): Disable line commands while parsing the
7301 (dump_definition): If pfile->lineno == 0, output a line
7302 command ahead of the dump, and add a trailing newline.
7304 * cppinit.c (append_include_chain): Add fifth argument, which
7305 indicates whether or not system headers are C++ aware.
7306 (initialize_standard_includes): New function,
7307 broken out of read_and_prescan. Pass 'cxx_aware' value from
7308 the include_defaults_array on to append_include_chain.
7309 (dump_special_to_buffer): Const-ify char array.
7310 (builtin_array): Don't dump __BASE_FILE__.
7311 (cpp_start_read): Use cpp_read_file. Reorder code for
7312 clarity. Don't output line commands here for -D/-A/-U
7313 switches. Don't call deps_output for files included with
7314 -include or -imacros.
7316 * cpplib.c (do_define): Don't pay any attention to the second
7318 (cpp_expand_to_buffer): Disable line commands while scanning.
7319 (output_line_command): Work in the file buffer.
7320 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
7321 Fix formatting of comments. Prototype cpp_read_file.
7323 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7325 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
7326 reference the language-equivalent of sizetype.
7327 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
7328 * fold-const.c (size_binop, size_diffop): Put back checks.
7329 * gcse.c (dump_hash_table): Fix minor error in last change.
7330 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
7331 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
7334 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
7336 * calls.c (expand_call) Do not attempt to combine stack adjustments
7337 with inhibit_defer_pop set.
7339 2000-03-01 Mark Mitchell <mark@codesourcery.com>
7341 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
7342 the DECL_SIZE for a FIELD_DECL.
7344 2000-03-01 Bruce Korb <bkorb@gnu.org>
7346 * fixinc/inclhack.tpl: remove unused symlinks
7347 * fixinc/README: GCC Maintainer info
7348 * fixinc/inclhack.sh: regen
7349 * fixinc/fixincl.sh: regen
7351 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
7353 * cpphash.c (collect_expansion): Trim trailing white space
7354 from macro definitions, but don't go past the last insertion
7357 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
7359 * i386.md (mulqi3): New pattern.
7361 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
7363 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
7365 (struct cpp_reader): Add parsing_if_directive and
7366 parsing_define_directive flags.
7367 (struct cpp_options): Remove output_conditionals flag.
7368 (check_macro_name): Delete prototype.
7370 * cpphash.h (struct macrodef): Delete.
7371 (struct reflist): Separate from struct definition.
7372 (struct definition): Remove unused fields. Add column number.
7373 (create_definition): Returns a DEFINITION *. Takes a
7374 cpp_reader * and an int.
7376 * cpphash.c (SKIP_WHITE_SPACE): Delete.
7377 (PEEKC): Copy defn from cpplib.c.
7378 (rest_extension, REST_EXTENSION_LENGTH): Delete.
7380 (struct arglist): Simplify.
7381 (collect_expansion): Rewrite. Get tokens by calling
7382 cpp_get_token. Add more error checking.
7383 (collect_formal_parameters): New function, broken out of
7384 create_definition and reworked to use get_directive_token.
7385 (create_definition): All real work is now in collect_expansion
7386 and collect_formal_parameters. do_define handles finding the
7387 macro name. Return a DEFINITION, not a MACRODEF.
7388 (macroexpand): Replace bcopy with memcpy throughout. Replace
7389 character-at-a-time copy loop with memcpy and pointer increments.
7390 (compare-defs): d1->argnames / d2->argnames might be null.
7392 * cpplib.c (copy_rest_of_line): Delete function.
7393 (skip_rest_of_line): Do all the work ourselves.
7394 (skip_string): New function.
7395 (parse_string): Use skip_string.
7396 (get_macro_name): New function.
7397 (check_macro_name): Delete.
7398 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
7399 (cpp_skip_hspace): Use CPP_BUMP_LINE.
7400 (handle_directive): ICE if we're called on a macro buffer.
7401 (do_define): Determine macro name and type (funlike/objlike)
7402 here. Expunge all uses of MACRODEF.
7403 (cpp_push_buffer): Set line_base to NULL.
7404 (do_undef, read_line_number): Don't worry about getting a POP token.
7405 (eval_if_expression): Set/reset parsing_if_directive around
7406 cpp_parse_expr. Don't clear only_seen_white.
7407 (skip_if_group): Remove output_conditionals logic. Use
7409 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
7410 tokens under appropriate conditions.
7411 (cpp_unassert): Call do_unassert not do_assert. Oops.
7413 * cppexp.c (parse_defined): New function, break out of
7415 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
7416 ourselves, with cpp_defined.
7417 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
7419 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
7420 * gcc.dg/strpaste-2.c: New.
7422 2000-02-29 Mark Mitchell <mark@codesourcery.com>
7424 * fold-const.c (size_binop): Don't asert inputs are the same and
7425 have TYPE_IS_SIZETYPE set.
7426 (size_diffop): Likewise.
7428 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
7430 * dwarfout.c (output_block): Output abstract blocks even if they
7431 don't have TREE_ASM_WRITTEN set.
7433 * calls.c (emit_library_call): Check for null REG.
7435 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
7437 * c-decl.c (current_function_decl): Move to toplev.c.
7438 (init_decl_processing): Don't add current_function_decl as a ggc
7440 * dbxout.c (dbxout_symbol): Change return type to int.
7441 (dbxout_symbol_location, dbxout_syms): Likewise.
7442 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
7443 any locals. Use current_function_func_begin_label if set.
7444 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
7445 * dwarf2out.c (dwarf2out_begin_prologue): Set
7446 current_function_func_begin_label.
7447 * final.c (final_start_function): Reset it.
7448 * toplev.c (current_function_decl): Define it here.
7449 (current_function_func_begin_label): New variable.
7450 (main): Add both as ggc roots.
7451 * tree.h (current_function_func_begin_label): Declare.
7453 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7455 * gcse.c: Cleanups throughout: mostly white-space, but also
7456 some minor rearrangement of code.
7458 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
7460 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
7461 returns a PARALLEL. Use emit_group_load and use_group_regs
7463 (emit_library_call_value): Similarly.
7465 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
7466 * pa/quadlib.asm: Remove.
7467 * pa/quadlib.c: New file.
7469 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
7470 * configure: Rebuilt.
7472 2000-02-29 Philip Blundell <pb@futuretv.com>
7474 * config/arm/conix-elf.h: New file.
7475 * configure.in (arm*-*-conix*): New configuration.
7476 * configure: Regenerate.
7478 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
7480 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
7481 don't have TREE_ASM_WRITTEN set.
7483 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7485 * Eliminate DECL_FIELD_SIZE.
7486 * builtins.c (built_in_class_names, built_in_names): New variables.
7487 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
7488 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
7489 DECL_SIZE, not DECL_FIELD_SIZE.
7490 * print-tree.c (print_node): Remove code that prints extra blank
7491 lines in some cases.
7492 Properly handle inline and builtin function cases.
7493 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
7494 * tree.h (built_in_class_named, built_in_names): New declarations.
7495 (union tree_decl): Rename internal unions to u1 and u2 and change
7496 some of their components.
7497 Add new field built_in_class.
7498 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
7499 Reflect above changes.
7500 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
7501 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
7502 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
7503 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
7505 2000-02-28 Dmitri Makarov <dim@windriver.com>
7507 * extend.texi: Document ARM's support for long/short calls.
7509 * invoke.texi: Document ARM's -mlong-calls command line switch.
7511 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
7512 (arm_encode_call_attribute): Add prototype.
7513 (arm_set_default_type_attribute): Add prototype.
7514 (arm_strip_name_encoding): Add prototype.
7516 * config/arm/arm.c (arm_init_cumulative_args): replace
7517 initialisation og 'long_calls' field with initialisation of
7518 'call_cookie' field.
7519 (enum arm_pragma_enum): New enum.
7520 (arm_pragma_long_calls): New static variable.
7521 (arm_process_pragma): Also process "#pragma long_calls_off".
7522 (arm_valid_type_attribute_p): Accept short_call attribute.
7523 (arm_comp_type_attributes): Check long/short call attributes.
7524 (arm_encode_call_attribute): New function: Encode long_call
7525 or short_call attribute in function name.
7526 (arm_set_default_type_attributes): New function: Assign
7527 default attributes to newly defined type.
7528 (current_file_function_operand): New function: Return true if
7529 the symbol is a function which has already been compiled.
7530 (arm_is_longcall_p): New function: Return true if the
7531 indicated function should be called via a long call.
7532 (arm_get_strip_length): New function. Returns number of
7533 prefix characters to be stripped from a function's name.
7534 (arm_strip_name_encoding): New function. Strip prefix characters
7535 from a function's name.
7537 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
7539 (SHORT_CALL_FAG_CHAR): Define.
7540 (LONG_CALL_FAG_CHAR): Define.
7541 (ENCODED_SHORT_CALL_ATTR_P): Define.
7542 (ENCODED_LONG_CALL_ATTR_P): Define.
7543 (ARM_NAME_ENCODING_LENGTHS): Define.
7544 (STRIP_NAME_ENCODING): Define.
7545 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
7546 (ARM_ENCODE_CALL_TYPE): Define.
7547 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
7548 (ARM_DECLARE_FUNCTION_SIZE): Define.
7549 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
7551 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
7552 if a long call is needed.
7553 (call_value): Ditto.
7554 (call_symbol): Ditto.
7556 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
7557 ARM_DECLARE_FUNCTION_SIZE.
7559 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
7560 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
7561 (ARM_STRIP_NAME_ENCODING): Undefine.
7562 (STRIP_NAME_ENCODING): Undefine.
7563 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
7564 (ASM_DECLARE_FUNCTION_NAME): Ditto.
7565 (ASM_OUTPUT_COMMON): Ditto.
7566 (ASM_DECLARE_OBJECT_NAME): Ditto.
7568 * config/arm/pe.c (arm_dllexport_name_p): Check for
7570 (arm_dllimport_name_p): Ditto.
7571 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
7572 (arm_mark_dllimport): Ditto.
7574 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7576 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
7578 2000-02-28 Mark Mitchell <mark@codesourcery.com>
7580 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
7582 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
7584 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
7585 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
7586 NO_BUILTIN_WCHAR_TYPE is not defined.
7587 (CPP_WCHAR_TYPE): Delete.
7588 * cccp.c (main): Don't change wchar_type if cplusplus.
7589 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
7591 2000-02-28 Nick Clifton <nickc@cygnus.com>
7593 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
7595 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
7597 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
7598 (ASM_WEAKEN_LABEL): Define.
7600 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
7602 * expr.c (store_constructor): Do not emit USE.
7603 * rtl.h (stupid_life_analysis): Remove.
7605 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7607 * function.c (number_blocks): Reset next_block_index based on
7608 what debugging format is used, not what is defined.
7610 * lcm.c: Minor reformatting throughout.
7611 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
7613 * toplev.c (rest_of_compilation): Account for time in
7614 optimize_mode_switching.
7616 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
7617 if only marking labels.
7619 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
7621 * calls.c (expand_call): Attempt to combine stack adjustments with
7622 pending stack adjustments.
7624 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7626 * loop.c (reg_in_basic_block_p): Don't abort when falling through
7627 to the end of the function.
7629 2000-02-27 Mark Mitchell <mark@codesourcery.com>
7631 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
7633 * final.c (next_block_index): Remove.
7634 (max_block_depth): Likewise.
7635 (pending_blocks): Likewise.
7636 (init_final): Don't initialize them.
7637 (final_start_function): Don't set next_block_index. Set up
7639 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
7640 * function.h (number_blocks): New function.
7641 * function.c (get_block_vector): New function.
7642 (identify_blocks): Use it.
7643 (reorder_blocks): Set NOTE_BLOCK.
7644 (number_blocks): New function.
7645 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
7646 * tree.h (BLOCK_NUMBER): New macro.
7647 (tree_block): Add block_num field.
7648 * dbxout.c (next_block_number): Remove.
7649 (dbxout_init): Don't set it.
7650 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
7651 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
7653 * toplev.c (rest_of_compilation): Always call
7654 find_loop_tree_blocks. Fix indentation.
7655 * dwarf2out.c (next_block_number): Remove.
7656 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7657 to determine block numbers.
7658 (gen_inlined_subroutine_die): Likewise.
7659 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
7660 (decls_for_scope): Don't increment next_block_number.
7661 * dwarfout.c (next_block_number): Remove.
7662 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7663 to determine block numbers.
7664 (output_inlined_subroutine_die): Likewise.
7665 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
7666 (output_decls_for_scope): Don't increment next_block_number.
7667 * sdbout.c (next_block_number): Remove.
7668 (sdbout_block): Use BLOCK_NUMBER.
7669 (sdbout_begin_block): Simplify.
7670 * xcoffout.c (next_block_number): Remove.
7671 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
7672 (xcoffout_begin_block): Don't set next_block_number.
7673 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
7676 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7678 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
7679 (expand_builtin_strcpy): Pass correct type to size_binop.
7680 (expand_builtin_strcmp): Likewise.
7681 Clean up conditional structure.
7682 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
7683 (complete_array_type): Don't use size_binop for MAXINDEX.
7684 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
7685 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
7686 (c_alignof): Use size_one_node.
7687 (build_unary_op): Pass arg of proper type to size_binop.
7688 (really_start_incremental_init, push_init_level): Use sizetype for
7689 constructor{,_bit,_unfilled}_index.
7690 (pop_init_label, output_init_element): Likewise.
7691 (output_pending_init_elements, process_init_element): Likewise.
7692 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
7693 * expr.c (store_expr): Use size_int.
7694 (store_constructor): Use proper types for size_binop args.
7695 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
7696 (expand_expr_unaligned): Likewise.
7697 (string_contant): Return object of sizetype.
7698 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
7699 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
7700 (ARGS_SIZE_TREE): Pass proper types to size_binop.
7701 * fold-const.c (int_const_binop): Refine when size_int is called.
7702 (fold_convert): Likewise.
7703 (size_int_wide): Rework to take KIND as arg, only take low order
7704 bits, handle new sizetype_tab datatype, and chain entries in
7706 (size_int_type_wide): New function.
7707 (size_binop): Validate types of arguments.
7708 (ssize_binop): Deleted.
7709 (size_diffop): New function.
7710 (extract_muldiv): Only fold division into multiplication for sizetypes.
7711 * function.c (assign_parms): Use size_diffop and make sure
7712 VAR field is of ssizetype; also pass proper type to size_binop.
7713 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
7714 (round_down): Deleted from here.
7715 * store-layout.c (sizetype_tab): Now an array.
7716 (sizetype_set, early_root_list): New variables.
7717 (variable_size): Use size_one_node.
7718 (round_up): Pass proper type to size_binop.
7719 (round_down): Moved to here and corrected as above.
7720 (layout_record): Pass proper arg types to size_binop.
7721 (layout_type): Likewise.
7722 If sizetype_set is zero, record the type just laid out.
7723 (make_unsigned_type): Don't call set_sizetype;
7724 (make_signed_type): Likewise; also, call fixup_signed_type.
7725 (initialize_sizetypes): New function.
7726 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
7727 set name of bitsizetype to "bit_size_type".
7728 Fix up type of sizes of all types made before call.
7729 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
7730 * tree.c (fix_sizetype): Deleted.
7731 (build_common_tree_nodes): Call initialize_sizetypes.
7732 (build_common_tree_nodes_2): Don't call fix_sizetype.
7733 * tree.h (TYPE_IS_SIZETYPE): New macro.
7734 (initialize_sizetype): New declaration.
7735 (enum size_type_kind): New type.
7736 (struct sizetype_tab): Deleted.
7737 (sizetype_tab): Now array; adjust sizetype macros.
7738 (size_diffop, size_int_type_wide): New functions.
7739 (size_int_wide): Change number of args and type; access macros changed.
7740 (ssize_int, sbitsize_int): New macros.
7741 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
7742 (ROUND_TYPE_SIZE_UNIT): New macro.
7744 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
7746 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
7748 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7750 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
7751 Mark as possibly unused.
7753 * cse.c (cse_insn): Delete dead code involving tablejump.
7754 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
7756 * Makefile.in (libcpp.a): Start by deleting it.
7758 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7760 * cpplib.h (enum file_change_code): Added rename_file.
7761 * cpplib.c (do_line): If a filename is given, set file_change to
7763 (output_line_command): If file_change is rename_file, always
7764 output a # directive with the file name.
7766 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
7768 2000-02-26 Mark Mitchell <mark@codesourcery.com>
7770 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
7771 when copying a PARM_DECL or RESULT_DECL.
7773 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7775 * fix-header.c (recognized_function): Also fix prototypes for
7776 functions taking "void".
7778 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7780 * reload1.c (do_output_reload): Check reg_reloaded_valid before
7781 looking at reg_reloaded_contents.
7783 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
7785 * Makefile.in (STMP_FIXINC): New toggle.
7786 (LIBGCC2_DEPS): Delete all references.
7787 (stmp-headers): Delete target. All references either deleted
7788 or changed to stmp-int-headers.
7789 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
7790 (LIBCPP_OBJS): Take out cppalloc.o.
7791 (cppalloc.o): Delete target.
7792 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
7793 (gen-protos, fix-header): Link with libiberty.a.
7794 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
7797 * configure.in: Remove refs to strerror.
7798 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
7799 * system.h: Take out strerror stanza.
7801 * cpperror.c (my_strerror): Delete function.
7802 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
7803 * cppmain.c (main): Call xmalloc_set_program_name first thing.
7804 * cppalloc.c: Delete file.
7805 * gen-protos.c: Don't provide xrealloc.
7807 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
7808 xstrerror throughout.
7810 2000-02-26 Bruce Korb <bkorb@gnu.org>
7812 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
7813 match for DOS headers, too.
7814 * fixinc/inclhack.sh,fixincl.x: Regenerate.
7816 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7818 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
7819 is right for most ELF targets.
7820 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
7821 Let the default file use %U properly.
7822 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
7825 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
7828 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7830 * toplev.c (documented_lang_options): Correct spelling error.
7831 (decode_d_option, decode_f_option, main): Likewise.
7833 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
7835 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
7836 to tell assembler it is permitted to expand large constants.
7838 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
7840 * protoize.c: (AUX_INFO_SUFFIX): New macro.
7841 (aux_info_suffix): Use.
7842 (SAVE_SUFFIX): New macro.
7844 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
7845 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
7846 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
7848 * invoke.texi (Running Protoize): Update documentation.
7850 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
7852 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
7854 2000-02-25 John Wehle (john@feith.com)
7856 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
7858 2000-02-25 Anthony Green <green@cygnus.com>
7860 * toplev.c (rest_of_compilation): Rebuild jump labels if
7861 combine_instructions has created a new direct jump.
7862 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
7864 (combine_instructions): Call try_combine with new argument.
7865 Return non-null value when new direct jump instruction is created.
7866 * rtl.h: combine_instructions returns an int.
7868 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
7870 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
7871 jump when changing a computed jump into a jump to a known
7874 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
7876 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
7877 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
7879 * i386.md (define_expand "clrstrsi"): Fix typo.
7881 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
7883 * rtl.texi: Fix typo.
7885 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7887 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
7888 UNITS_PER_WORD. Change caller initial_elimination_offset.
7889 (rounded_frame_size): Take into account that argument pushed has
7890 changed. Fix TARGET_ALIGN_DOUBLE problem.
7892 2000-02-25 Geoff Keating <geoffk@cygnus.com>
7894 * haifa-sched.c (schedule_block): Explain the real reason
7895 we delete REG_SAVE_NOTEs on the first insn of a block.
7896 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
7898 2000-02-24 Mark Mitchell <mark@codesourcery.com>
7900 * input.h (push_srcloc): New function.
7901 (pop_srcloc): Likewise.
7902 * toplev.c (push_srcloc): Define it.
7903 (pop_srcloc): Likewise.
7905 2000-02-24 Richard Henderson <rth@cygnus.com>
7907 * flow.c (life_analysis): When collecting reg info, clear
7910 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7912 Fix bug exposed by reload.c no longer rounding the frame
7913 size to BIGGEST_ALIGNMENT:
7914 * sh.c (rounded_frame_size): New function.
7915 (sh_expand_prologue, sh_expand_epilogue): Use it.
7916 (initial_elimination_offset): Likewise.
7918 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7920 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
7921 * sh-protos.h (sh_need_epilogue): Declare.
7922 * sh.c (sh_need_epilogue_known): New static variable.
7923 (sh_need_epilogue): New function.
7924 (function_epilogue): Clear need_epilogue_known.
7925 * sh.md (return): Split into expander / insn pattern.
7926 Make the expander conditional on ! sh_need_epilogue ().
7928 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
7930 * machmode.h (get_mode_alignment): Declare.
7931 (GET_MODE_ALIGNMENT): Call it.
7932 * stor-layout.c (get_mode_alignment): New function. Make
7933 sure alignment is always power of 2.
7935 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7937 * i386.h: Remove useless definition of "I386" and misleading
7940 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7942 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
7943 under which TREE_PERMANENT will be set.
7944 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
7945 build1): Use TREE_SET_PERMANENT.
7946 * print-tree.c (print_node): Don't report value of
7947 TREE_PERMANENT if ggc_p is true.
7949 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
7950 decide whether to give a type a new alias set.
7951 * objc/objc-act.c (build_objc_string_object): Never copy the string.
7952 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
7953 of value of 'obstack'.
7956 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7958 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
7960 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7962 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
7963 * cpplib.c (cpp_get_token): Produce them.
7964 * cppexp.c (cpp_lex): Handle them.
7966 2000-02-23 Nick Clifton <nickc@cygnus.com>
7968 * config/arm/arm.c (arm_comp_type_attributes): Simply and
7969 comment tests on type attributes.
7971 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7973 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
7974 conform to documentation.
7975 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
7976 to check for special cases.
7977 * sh-protos.h (sh_loop_align): Declare.
7978 * sh.c (sh_loop_align): Define.
7980 2000-02-22 Andrew Haley <aph@cygnus.com>
7982 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
7983 (SIZE_TYPE): Is 32 bits when using -mgp32.
7984 (PTRDIFF_TYPE): Ditto.
7986 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7988 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
7990 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7992 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
7993 BIGGEST_FIELD_ALIGNMENT a constant.
7995 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
7997 * dwarf2out.c (output_line_info): Put the marker for the end of
7998 the line number info at the actual end.
7999 (gen_struct_or_union_type_die): Use decl_function_context
8000 to check for local classes.
8001 * dwarfout.c (output_type): Likewise.
8003 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
8005 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
8006 for arguments with a mode, but no type.
8007 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
8008 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
8009 * pa/long_double.h: New file.
8010 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
8011 both have 128bit wide long doubles.
8012 * configure: Rebuilt.
8014 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8016 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
8018 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
8019 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
8020 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
8022 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
8024 * integrate.c (compare_blocks, find_block): Likewise.
8026 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
8028 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
8030 * stmt.c (stmt_status, set_file_and_line_for_stmt,
8031 expand_asm_operands): Likewise.
8033 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
8035 * predict.c (estimate_probability): Added the pointer heuristic to
8036 the collection of static branch predictors.
8038 2000-02-21 Catherine Moore <clm@cygnus.com>
8040 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
8041 * invoke.texi (-mfix7000): Document.
8043 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
8045 * diagnostic.c (init_output_buffer): Make it possible to output at
8046 least 32 characters if we're given a too long prefix.
8048 2000-02-20 Mark Mitchell <mark@codesourcery.com>
8050 * varasm.c (initializer_constant_valid_p): Call
8051 lang_expand_constant to simplify the constant.
8053 2000-02-20 Bruce Korb <bkorb@gnu.org>
8055 * fixinc/inclhack.def(stdio_va_list):
8056 typedef needs to be disabled.
8057 * fixinc/inclhack.sh: regen
8058 * fixinc/fixincl.x: regen
8060 2000-02-20 Geoff Keating <geoffk@cygnus.com>
8062 * print-rtl.c (print_rtx): Don't print addresses when
8063 flag_dump_unnumbered.
8065 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8067 * sparc.c (sparc_output_scratch_registers): Mark parameter with
8069 (sparc_va_arg, sparc_flat_output_function_prologue,
8070 sparc_flat_output_function_epilogue): Cast value to unsigned in
8072 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
8074 * sparc.md: Add default case in switch.
8076 2000-02-19 Richard Henderson <rth@cygnus.com>
8078 * c-typeck.c (add_pending_init): Don't abort for multiple
8079 fields at the same offset.
8080 (pending_init_member): Test the correct member.
8082 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8084 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
8086 (start_catch_handler) : Same.
8088 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
8090 * Makefile.in: Have flow.o depend on $(EXPR_H)
8092 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8094 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
8095 * c-decl.c (duplicate_decls, finish_enum): Likewise.
8096 (finish_decl): Remove -Wlarger-than code from here.
8097 * flags.h (id_clash_len): Now int.
8098 (larger_than_size): Now HOST_WIDE_INT.
8099 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
8100 Clean up checking to see if in table.
8101 (make_bit_field_ref): Remove extra parm to bitsize_int.
8102 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
8103 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
8104 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
8105 and for computing size of decl.
8106 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
8107 Move -Wlarger-than code to here.
8108 (layout_record): Remove extra arg to bitsize_int.
8109 Set TYPE_BINFO_SIZE_UNIT.
8110 (layout_union): Remove extra arg to bitsize_int.
8111 Use proper type for size of QUAL_UNION.
8112 (layout_type): Remove extra arg to bitsize_int.
8113 * toplev.c (id_clash_len): Now int.
8114 (larger_than_size): Now HOST_WIDE_INT.
8115 (decode_W_option): Clean up id-clash and larger-than- cases.
8116 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
8117 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
8118 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
8119 (struct tree_decl): New field size_unit.
8120 (size_int_wide): No HIGH operand; NUMBER is now signed.
8121 (size_int_2): Deleted.
8122 (size_int, bitsize_int): Don't use it and rework args.
8123 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
8125 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
8127 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
8129 2000-02-18 Geoff Keating <geoffk@cygnus.com>
8131 * invoke.texi (Warning Options): Add an explanation of why
8132 you might want the -Wfloat-equal flag.
8134 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8136 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
8137 * cppinit.c (new_pending_define): Add cast to avoid warning.
8138 * expmed.c (extract_bit_field): Likewise.
8139 * flow.c (enum reorder_skip_type): New type.
8140 (skip_insns_between_blcok): New it.
8141 Rework to avoid warning about possibly undefined variable.
8142 * function.c (assign_parms): Make thisparm_boundary unsigned.
8143 * genrecog.c (write_switch): Cast XWINT result to int.
8144 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
8145 * mips-tfile.c (init_file): Make two versions of FDR intializer:
8146 one for MIPS and one for Alpha.
8147 (get_tag, copy_object): Add casts to avoid warnings.
8148 * optabs.c (init_one_libfunc): Cast NAME to (char *).
8149 * reload.c (find_reloads): Make TYPE enum reload_type.
8150 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
8151 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
8152 * varasm.c (compare_constant_1): Add cast to avoid warning.
8153 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
8155 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
8156 Cast switch operand of size to int.
8157 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
8158 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
8161 2000-02-18 Nick Clifton <nickc@cygnus.com>
8163 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
8164 anything for an alignment of zero.
8166 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
8167 anything for an alignment of zero.
8169 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
8171 * gcc.texi (Bug Reporting): Refer to bugs.html.
8172 (Bug Lists): Likewise.
8173 * system.h (GCCBUGURL): New preprocessor define.
8174 * rtl.c (fancy_abort): Use it.
8175 * gcc.c (main): Likewise.
8177 2000-02-18 Richard Henderson <rth@cygnus.com>
8179 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
8180 (life_analysis_1): Subsume into ...
8181 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
8182 Use update_life_info for the relaxation.
8183 (update_life_info): Update REG_BASIC_BLOCK for registers live on
8184 entry and regs_live_at_setjmp.
8185 (set_noop_p): Simplify.
8186 (notice_stack_pointer_modification_1): Renamed from s/_1//.
8187 (record_volatile_insns): Split into ...
8188 (delete_noop_moves): ... here,
8189 (notice_stack_pointer_modification): ... here,
8190 (insn_dead_p): ... and here.
8191 (propagate_block): Don't query INSN_VOLATILE.
8192 (mark_used_regs): Mind !PROP_REG_INFO.
8193 * toplev.c (rest_of_compilation): Call mark_constant_function here,
8194 not in life_analysis.
8196 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
8198 * loop.c (canonicalize_condition): New function,
8199 broken out of get_condition.
8200 (get_condition): Use it.
8201 * expr.h (canonicalize_condition): Prototype it.
8203 * tree.h (tree_int_cst_msb): Declare.
8204 * tree.c (tree_int_cst_msb): New function.
8206 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8208 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
8211 * invoke.texi (-fmessage-length=n): Document.
8213 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
8215 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
8217 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8219 * function.c (thread_prologue_and_epilogue_insns): Put a line note
8222 2000-02-17 Nick Clifton <nickc@cygnus.com>
8224 * config/arm/thumb.c: Replace includes of system headers with
8225 #include "system.h".
8227 2000-02-16 Richard Henderson <rth@cygnus.com>
8229 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
8230 Add crtbeginS.o and crtendS.o.
8231 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
8232 (ENDFILE_SPEC): Use crtendS.o.
8233 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
8235 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
8236 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
8238 (__dso_handle): New variable.
8239 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
8240 bias to __CTOR_END__.
8242 2000-02-16 Richard Henderson <rth@cygnus.com>
8244 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
8246 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
8248 * longlong.h (__clz_tab): Declare as static to match definition.
8250 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
8251 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
8252 (XREF_FILE_NAME): Define.
8254 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
8255 (EH_FRAME_SECTION_ASM_OP): Define.
8256 (IDENT_ASM_OP): Define.
8257 (TEXT_SECTION_ASM_OP): Define.
8259 (CTORS_SECTION_ASM_OP): Define.
8260 (CTOR_SECTION_FUNCTION): Use it.
8261 (DTORS_SECTION_ASM_OP): Define.
8262 (DTOR_SECTION_FUNCTION): Use it.
8264 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
8266 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
8269 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
8270 debug_bb_n): New functions.
8271 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
8272 * basic-block.h: Prototype new functions.
8274 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
8276 * configure.in: Add support for avr target.
8277 * configure: Rebuilt.
8279 * invoke.texi: Add AVR invocation docs.
8280 * install.texi: Add information about AVR.
8281 * md.texi: Add AVR constraint letters description.
8282 * extend.texi: Add description for AVR specific attributes.
8284 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
8286 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
8288 2000-02-16 Nick Clifton <nickc@cygnus.com>
8290 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
8291 (make_insn_raw): Move RTL check here.
8293 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8295 * version.c: Include gansidecl.h and version.h.
8297 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
8299 * configure.in (gcc_version): When setting, narrow search to
8300 lines containing `version_string'.
8302 * Makefile.in (mainversion): Likewise.
8303 (GCC_H): New variable.
8304 (gcc.h): Delete target.
8305 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
8306 (version.o): Depend on version.h.
8307 (dbxout.o): Don't depend on gcc.h.
8309 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
8310 Michael Meissner <meissner@cygnus.com>
8312 * md.texi (Simple Constraints): Add item about whitespace.
8313 * genoutput.c (strip_whitespace): New.
8314 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
8315 strip_whitespace for constraints.
8316 Test pointer using NULL, not 0.
8318 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8320 * cpplib.c (do_line): Pedwarn for #line > 32767.
8322 * c-lex.c (readescape): Warn about '\x', but do not reject it.
8324 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
8326 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
8327 to default cpp spec.
8328 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
8329 * cpp.texi: Document __GNUC_PATCHLEVEL__.
8332 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
8335 2000-02-15 Denis Chertykov <denisc@overta.ru>
8337 * configure.in: Add support for avr target.
8339 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8341 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
8342 (sh_addr_diff_vec_mode): Don't declare.
8343 * sh.c (sh_addr_diff_vec_mode): Delete.
8345 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8347 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
8349 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8351 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
8352 (smulsi3_highpart_i): Name.
8353 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
8354 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
8355 (smulsi3_highpart, umulsi3_highpart): Likewise.
8357 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
8358 correctly independent of endianness.
8359 (mulsidi3, umulsidi3): Now define_insn. Hide details that
8360 confuse the optimizers.
8361 (mulsidi3+1, umulsidi3+1): New define_split.
8363 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
8365 * config/sh/sh.md: Guard insn splits against illegal registers.
8366 * config/sh/sh.h: Correct comment about macros.
8368 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8369 Andrew MacLeod <amacleod@cygnus.com>
8371 * Makefile.in (lcm.o): Depend on insn-attr.h.
8372 * basic-block.h (optimize_mode_switching): Declare.
8373 * lcm.c (tm_p.h, insn-attr.h): #include.
8374 (seginfo, bb_info): New structs.
8375 (antic, transp, comp, delete, insert) : New file-scope static variables.
8376 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
8377 (reg_becomes_live, optimize_mode_switching): Likewise.
8378 * tm.texi: Add description of mode switching macros.
8379 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
8381 * sh-protos.h (remove_dead_before_cse): Remove prototype.
8382 (fldi_ok, fpscr_set_from_mem): New prototypes.
8383 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
8384 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
8385 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8386 (sh_flag_remove_dead_before_cse): Remove declaration.
8387 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
8388 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
8389 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
8390 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8391 (barrier_align): Allow for JUMP_INSNS containing a parallel.
8392 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
8393 (fldi_ok): New function.
8394 (get_fpscr_rtx): Add fpscr_rtx as GC root.
8395 (emit_sf_insn): Only generate fpu switches when optimize < 1.
8396 (emit_df_insn): Likewise.
8397 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
8398 (sh_flag_remove_dead_before_cse): Delete.
8399 (get_free_reg, fpscr_set_from_mem): New functions.
8400 * sh.md (movdf, movsf): Remove no_new_pseudos code.
8401 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
8403 2000-02-15 Loren Rittle <ljrittle@acm.org>
8405 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
8407 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8409 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
8410 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
8412 * cccp.c: Include version.h and/or don't declare `version_string'.
8413 * collect2.c: Likewise.
8414 * alpha.c: Likewise.
8415 * arm/aof.h: Likewise.
8416 * arm/coff.h: Likewise.
8417 * arm/elf.h: Likewise.
8418 * arm/pe.h: Likewise.
8419 * arm/tcoff.h: Likewise.
8420 * arm/telf.h: Likewise.
8421 * arm/tpe.h: Likewise.
8422 * arm/vxarm.h: Likewise.
8423 * convex/convex.c: Likewise.
8424 * i386/dgux.c: Likewise.
8425 * i386/sun386.h: Likewise.
8426 * m88k/m88k.c: Likewise.
8427 * mcore/mcore-pe.h: Likewise.
8428 * mips/mips.h: Likewise.
8429 * romp/romp.h: Likewise.
8430 * sh/sh.c: Likewise.
8431 * cpphash.c: Likewise.
8432 * cppinit.c: Likewise.
8433 * dwarf2out.c: Likewise.
8434 * dwarfout.c: Likewise.
8437 * mips-tfile.c: Likewise.
8438 * protoize.c: Likewise.
8439 * toplev.c: Likewise.
8442 * version.c (version_string): Constify a char*.
8444 * version.h: New file.
8446 2000-02-14 Nick Clifton <nickc@cygnus.com>
8448 * configure.in: Add mcore-elf and mcore-pe targets.
8449 * configure: Regenerate.
8451 * NEWS: Add note that MCore port has been contributed.
8453 * invoke.texi: Document command line switches for MCore port.
8454 * install.texi: Add MCore to list of supported targets.
8456 2000-02-14 Geoff Keating <geoffk@cygnus.com>
8458 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
8459 then we will need to import the frame handling functions.
8460 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
8461 to import the frames themselves.
8463 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
8464 Jason Eckhardt <jle@cygnus.com>
8466 * basic_block.h: Added prototype for reorder_basic_blocks.
8467 * toplev.c: Changes to add -freorder-blocks and graph dump after
8468 block reordering is done.
8469 * flow.c (reorder_block_def): New structure for use during block
8471 (REORDER_BLOCK_*): New macros to access members of above structure.
8472 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
8473 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
8474 functions for block reordering.
8476 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
8478 * gcc.texi (Passes): Fix typo.
8479 * md.texi (Standard Names): Ditto.
8480 * tm.texi (Storage Layout): Ditto.
8482 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8484 * cpplib.c (do_define): Only free the old definition if it
8487 2000-02-13 Neil Booth <NeilB@earthling.net>
8489 * cppfiles.c (read_and_prescan): When emitting deferred
8490 newlines, test speccase[] again instead of checking each
8491 possible whitespace character in turn. When we encounter \r,
8492 look behind for \n first, then ahead.
8494 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8496 * cse.c (cse_altered): New internal flag.
8497 (cse_insn): Set it if we changed an insn.
8498 (cse_main): Clear cse_altered before each basic block.
8499 Only garbage collect if cse_altered is true afterward.
8501 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8503 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
8505 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
8507 * combine.c (simplify_comparison): Fix typo.
8509 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
8511 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
8514 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8516 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
8517 previously inserted node instead of root node. Caller changed.
8519 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8521 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
8523 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8525 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
8526 __dereg_frame_dtor): Add prototype argument.
8528 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
8530 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
8532 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
8534 * gthr-vxworks.h (__gthread_once): Likewise.
8536 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
8538 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
8540 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
8541 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
8542 stack pointer in functions w/o saved registers, output LEAVE more often
8543 on TARGET_USE_LEAVE machines.
8545 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
8547 * config/arm/arm.c (arm_init_cumulative_args); New function:
8548 Initlaise the CUMULATIE_ARGS strcuture for a function
8550 (arm_function_arg): New function: Determine where to place a
8551 function's argument. Also handles deciding the function's
8553 (current_file_function_operand): New function: Return true if
8554 the symbol is a function which has already been compiled.
8555 (arm_is_long_call_p): New function: Return true if the
8556 indicated function should be called via a long call.
8557 (arm_valid_type_attribute_p): New function: Return true if the
8558 attribute is a valid, arm specific, attribute.
8559 (arm_comp_type_attribute): New function: Return true if the
8560 two types have compatable, arm specific, attributes.
8562 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
8564 (FUNCTION_ARG): Redefine to call arm_function_arg.
8565 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
8567 (INIT_CUMULATIVE_ARGS): Redefine to call
8568 arm_init_cumulative_args.
8569 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
8571 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
8573 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
8575 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
8576 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
8577 (COMP_TYPE_ATTRIBUTES): Define.
8579 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
8580 if a long call is needed.
8581 (call_value): Call arm_is_long_call_p to decide if a long call
8583 (call_symbol): Call arm_is_long_call_p to decide if a long call
8586 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
8588 2000-02-11 Denis Chertykov <denisc@overta.ru>
8590 * README.AVR: New file with information about the avr ports.
8591 * config/avr: New directory with avr port files.
8593 2000-02-11 Andreas Jaeger <aj@suse.de>
8595 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
8597 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
8599 * cpphash.c: Fix formatting, update commentary.
8600 (dump_definition): Take three separate arguments instead of a
8601 MACRODEF structure argument.
8602 * cpphash.h: Update prototype of dump_definition.
8603 * cppinit.c (cpp_finish): Update call of dump_definition.
8605 * cpplib.c (do_define): Always create new hash entry with
8606 T_MACRO type. Remove redundant check for redefinition of
8607 poisoned identifier. Update call of dump_definition.
8608 (do_undef): Don't call check_macro_name. Rename sym_length to
8610 (do_error, do_warning): Don't use copy_rest_of_line or
8612 (do_warning): Don't use pedwarn for the actual warning,
8613 only the notice about its not being in the standard. (Fixes
8614 bug with #warning in system headers.)
8615 (do_ident): Stricter argument checking - accept only a single
8616 string after #ident. Also, macro-expand the line.
8617 (do_xifdef): Use cpp_defined. De-obfuscate.
8619 (do_pragma): Split out specific pragma handling to separate
8620 functions. Use get_directive_token. Update commentary. Do
8621 not pass on #pragma once or #pragma poison to the front end.
8622 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
8623 do_pragma_default): New.
8625 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
8627 * jump.c (jump_optimize_1): The first operand in a relational
8629 * optabs.c (emit_conditional_move): Handle relationals which
8630 have a known true/false result.
8632 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8634 * function.c (thread_prologue_and_epilogue_insns): Don't insert
8635 a RETURN insn into a block which already ends with a jump.
8637 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8639 * haifa-sched.c (BUF_LEN): Increase a lot.
8641 2000-02-11 Nick Clifton <nickc@cygnus.com>
8643 * configure.in: Add tm_p_file specification for thumb targets.
8644 * configure: Regenerate.
8646 * config/arm/thumb-protos.h: New file: Prototypes for exported
8647 functions defined in thumb.c.
8649 2000-02-11 Robert Lipe <robertl@sco.com>
8651 * Makefile.in (bootstrap-lean): Remove additional files.
8652 (bootstrap2-lean): Likewise.
8653 (VOL_FILES): List of files for above.
8655 2000-02-11 Nathan Sidwell <nathan@acm.org>
8657 * cpphash.c (special_symbol): Remove spurious argument to
8660 2000-02-11 Joel Sherrill (joel@OARcorp.com>
8662 * configure.in: (i*86-*-rtems*): Swapped elf and coff
8664 * configure: Rebuilt.
8666 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
8668 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
8670 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
8672 * pa.c, pa.h: Remove trigraph sequences within comments.
8674 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
8676 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
8678 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
8680 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
8682 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8684 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
8686 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8688 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
8689 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
8690 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
8691 (ASM_FILE_END): Use c4x_file_end.
8692 * config/c4x/c4x.c (c4x_global_label): New function.
8693 (c4x_external_ref, c4x_file_end): Likewise.
8695 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
8696 (c4x_external_ref, c4x_end_file): Likewise.
8698 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
8700 * cppexp.c: Don't include cpphash.h.
8701 (parse_charconst, cpp_lex): Use cpp_defined.
8702 (cpp_lex): Use get_directive_token throughout. Remove
8703 unnecessary cases from switch. Move assertion-handling code
8705 (cpp_parse_expr): If we see '+' or '-', check the context to
8706 determine if they are unary or binary operators. Streamline
8707 the jumps a bit. Do not call skip_rest_of_line.
8709 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
8710 static. Export get_directive_token. Update commentary.
8711 (cpp_defined): New function.
8712 (do_define): Remove reference to T_PCSTRING. Call
8713 free_definition to release memory for old definition, when
8715 (eval_if_expression): Set only_seen_white to 0 before calling
8716 cpp_parse_expr. Call skip_rest_of_line after it returns.
8717 (cpp_read_check_assertion): Don't preserve a pointer into the
8718 token buffer across a call to cpp_get_token.
8720 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
8721 * cppfiles.c (redundant_include_p): Use cpp_defined.
8722 * cpphash.c (free_definition): New function.
8723 (delete_macro): Use it. Update commentary.
8724 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
8726 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
8727 from enum node_type. Prototype cpp_defined and get_directive_token.
8728 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
8730 * fix-header.c (check_macro_names): Use cpp_defined.
8731 (read_scan_file): Set inhibit_warnings and inhibit_errors in
8732 the options structure.
8734 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8736 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
8738 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
8740 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
8741 rather than die->die_tag.
8743 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8745 * combine.c (make_extraction, force_to_mode): Avoid warning on
8746 mixed-signedness conditionals.
8747 (make_field_assignment, nonzero_bits): Likewise.
8748 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
8749 (store_split_bit_field, extract_split_bit_field): Likewise.
8750 (extract_fixed_bit_field, store_bit_field,
8751 * expr.c: Change alignment to be unsigned everywhere.
8752 (move_by_pieces, store_constructor_field, store_constructor):
8753 Alignment parm is unsigned.
8754 (emit_block_move, emit_group_load, emit_group_store): Likewise.
8755 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8756 (do_compare_rtx_and_jump): Likewise.
8757 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
8758 Compare align with GET_MODE_ALIGNMENT.
8759 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
8760 (get_inner_reference): Likewise.
8761 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
8762 (expand_assignment): Local vars for alignment now unsigned.
8763 (store_constructor, store_field, expand_expr, do_jump): Likewise.
8764 (do_compare_and_jump): Likewise.
8765 (store_field): Call new function expr_align.
8766 * expr.h (emit_block_move, emit_group_load, emit_group_store):
8767 Alignment arg now unsigned.
8768 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8769 (do_compare_rtx_and_jump, store_bit_field): Likewise.
8770 (extract_bit_field): Likewise.
8771 * fold-const.c (add_double): Add cast to eliminate signedness warning.
8772 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
8773 (get_best_mode): Alignment arg is unsigned.
8774 * rtl.h (move_by_pieces): Likewise.
8775 * store-layout.c (maximum_field_alignment, set_alignment):
8777 (layout_decl): Alignment arg is now unsigned.
8778 Remove unneeded casts.
8779 (layout_record, layout_union, layout_type): Remove unneeded casts.
8780 Local alignment variables now unsigned.
8781 (get_best_mode): Alignment arg now unsigned.
8782 * tree.c (expr_align): New function.
8783 * tree.h (expr_align): Likewise.
8784 (maximum_field_alignment, set_alignment): Now unsigned.
8785 (get_inner_reference): Alignment argument is now pointer to unsigned.
8786 * varasm.c (assemble_variable): Add cast to eliminate warning.
8788 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
8790 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
8791 then store directly into op0.
8793 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
8794 the CALL_INSN, and emit the note immediately after it.
8796 2000-02-10 Nick Clifton <nickc@cygnus.com>
8798 * config/arm/thumb.md (epilogue): Include a (return) in the
8799 generated insn, and emit it using emit_jump_insn not
8802 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
8804 * function.c (assign_temp): Change zero-sized arrays to size 1.
8805 * integrate.c (expand_inline_function): Do not update
8806 stack_alignment_needed
8807 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
8808 add some sanity checking, remove optimization for function with
8811 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8813 * flow.c (mark_regs_live_at_end): Delete unused variables.
8815 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
8817 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
8818 in macro FRAME_GROWS_DOWNWARD.
8820 * stmt.c (expand_end_bindings): Delete unused variable.
8822 * unroll.c (iteration_info): Mark parameter `loop' with
8825 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8827 * fixinc/server.c (load_data): Return NULL if the marker line is
8829 (run_shell): If load_data returns NULL, retry the command once, in
8832 * configure: Rebuilt.
8834 2000-02-09 Bruce Korb <bkorb@gnu.org>
8836 * gcc/fixincludes: ** DELETED **
8837 * gcc/fixcpp: ** DELETED **
8838 * gcc/fixinc-nt.sed: ** DELETED **
8839 * gcc/just-fixinc: ** DELETED **
8840 * gcc/Makefile.in: Removed out-dated commentary
8841 * gcc/configure.in: Removed fast-fixincludes disablement.
8842 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
8844 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8845 * function.c (thread_prologue_and_epilogue_insns): Uncomment
8848 2000-02-09 Richard Henderson <rth@cygnus.com>
8850 * jump.c (delete_insn): Don't delete user labels at -O0.
8852 2000-02-09 Robert Lipe <robertl@sco.com>
8854 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
8855 Don't link with HOST_LIBS.
8857 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8859 * configure.in: Correct --help text for --with-dwarf2.
8860 Put tm-dwarf2.h after other tm files, if it's requested.
8861 * configure: Regenerate.
8862 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
8865 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8867 * cpplib.h: Provide HASHNODE typedef and forward decl of
8868 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
8869 DEFINITION, struct hashnode, struct macrodef, struct
8870 definition, scan_decls prototype, default defn of
8871 INCLUDE_LEN_FUDGE moved elsewhere.
8873 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
8874 definition, and struct hashnode moved here. Remove the unused
8875 'predefined' field from struct definition. Replace the 'args'
8876 union with its sole member. All users updated (cpphash.c).
8877 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
8878 multiple include guard.
8880 * cpphash.c (hashf): Make static; use better algorithm; drop
8881 HASHSIZE parameter; return an unsigned int.
8882 (cpp_lookup): Drop HASH parameter. PFILE parameter is
8883 used. Calculate HASHSIZE modulus here.
8884 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
8886 (create_definition): Drop PREDEFINITION parameter.
8887 * cpplib.c (do_define): Don't calculate a hash value here.
8888 Don't pass (keyword == NULL) to create_definition.
8890 * scan.h: Prototype scan_decls here.
8891 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
8892 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
8893 callers of cpp_lookup and cpp_install updated.
8895 * cpphash.c (macarg): Hoist all the flag diddling out of the
8897 (macroexpand): ... and out of the loop that calls macarg.
8898 Skip over the initial paren before macro arguments with
8899 cpp_get_non_space_token; point may be some distance before
8900 that paren. Abort if it's not there.
8902 * cpplib.c (parse_clear_mark): Delete function.
8903 (parse_set_mark, parse_goto_mark): Make static.
8904 (ACTIVE_MARK_P): New macro.
8905 (skip_block_comment, skip_line_comment): Do not bump the line
8906 if ACTIVE_MARK_P is true.
8907 (cpp_pop_buffer): The buffer to be popped may not have an
8909 (cpp_get_token): When looking for the initial paren before
8910 macro arguments, only set a mark in a file buffer, Always
8911 return to that mark before proceeding to call macroexpand or
8912 return a NAME token.
8914 * cpplib.h: Remove prototypes of parse_set_mark,
8915 parse_clear_mark, parse_goto_mark.
8916 (struct cpp_options): Rename 'put_out_comments' to
8917 'discard_comments' and invert its sense.
8918 * cppinit.c, cpphash.c, cpplib.c: All users of
8919 put_out_comments changed to use discard_comments, with
8922 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8924 * function.c (thread_prologue_and_epilogue_insns): Don't delete
8925 the edge from a block that both jumps and falls through to the
8928 2000-02-09 Scott Bambrough <scottb@netwinder.org>
8930 * config/arm/arm.md (movsi): In PIC mode, make sure that a
8931 constant source address is legitimate.
8933 2000-02-09 Philip Blundell <pb@futuretv.com>
8935 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
8938 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
8940 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
8942 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8944 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
8945 ends with a newline and a NUL. Don't be so clever manipulating
8948 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
8950 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
8951 not to BIGGEST_ALIGNMENT.
8953 2000-02-08 Geoff Keating <geoffk@cygnus.com>
8955 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
8956 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
8957 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
8958 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
8959 * frame.c (execute_cfa_insn): Handle
8960 DW_CFA_GNU_negative_offset_extended.
8962 2000-02-08 Richard Henderson <rth@cygnus.com>
8964 * flow.c (tidy_fallthru_edges): Split out from ...
8965 (delete_unreachable_blocks): ... here.
8966 (find_basic_blocks): Use it.
8968 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8970 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
8972 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
8974 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
8975 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
8976 (fix-header.o): Don't depend on cpphash.h.
8978 * scan.c (hashstr): New function.
8979 * scan.h: Prototype it.
8980 * fix-header.c: Don't include cpphash.h. Use hashstr.
8981 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
8982 hashstr. Report hash table statistics. Add private
8983 definition of xrealloc.
8985 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8987 * i386.h (TARGET_SWITCHES): Fix typo in option name.
8989 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
8991 * function.c (thread_prologue_and_epilogue_insns): Don't replace
8992 jumps with returns unless they are jumps to the fallthru block.
8994 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
8996 * i386.md (addqi3_cc): Fix contraints.
8998 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
9000 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
9002 2000-02-07 Mark Mitchell <mark@codesourcery.com>
9004 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
9005 carriage return after a macro name.
9007 2000-02-07 Fred Fish <fnf@be.com>
9009 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
9010 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
9012 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
9014 * cppfiles.c (deps_output): Count spacers in deps_column.
9016 2000-02-07 Neil Booth <NeilB@earthling.net>
9018 * cppinit.c (initialize_dependency_output): If there is no
9019 suffix, don't try to look for known suffixes. Use strrchr.
9020 (cpp_start_read): Remove duplicate initialization.
9022 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
9024 * calls.c (compute_argument_block_size): New argument
9025 preferred_stack_boundary.
9026 (expand_call): update cfun->preferred_stack_boundary, update call of
9027 compute_argument_block_size
9028 (emit_library_call): Increate cfun->preferred_stack_boundary
9029 to PREFERRED_STACK_BOUNDARY
9030 (emit_library_call_value): Likewise.
9031 * explow.c (allocate_dynamic_stack_spave): Likewise.
9032 * function.c (prepare_function_start): Set
9033 cfun->preferred_stack_boundary
9034 * function.h (struct function): Add preferred_stack_boundary field.
9035 * integrate.c (expand_inline_function): Update
9036 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
9037 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
9038 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
9040 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
9042 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
9043 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
9044 cpp_pedwarn, cpp_pedwarn_with_line,
9045 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
9046 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
9047 v_cpp_error_with_line, v_cpp_warning_with_line,
9048 cpp_message_from_errno, cpp_perror_with_name): Delete.
9050 * cpperror.c (cpp_print_containing_files): Take starting
9052 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
9053 (v_cpp_message): Now called directly by all entry points.
9055 (cpp_pfatal_with_name, cpp_message): Delete.
9056 (cpp_notice_from_errno, cpp_ice): New functions.
9057 (cpp_notice): Is now for reporting error conditions, just
9058 without an associated file.
9059 (cpp_error, cpp_error_with_line): Don't do anything if
9060 opts->inhibit_errors is on.
9061 (cpp_pedwarn_with_file_and_line): Take column argument also.
9063 * cpplib.h: Update prototypes of exported functions.
9064 (struct cpp_options): Add inhibit_errors.
9066 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
9067 non-error messages. Include intl.h.
9069 * cppinit.c, cppmain.c: Likewise. Also, use
9070 cpp_notice_from_errno instead of cpp_perror_with_name or
9071 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
9073 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
9074 report internal errors.
9076 * cpplib.c (do_define): Switch bcopy to memcpy.
9077 Give cpp_pedwarn_with_file_and_line a dummy column argument.
9079 * cpplib.c (copy_rest_of_line): Revert previous change: don't
9080 bail out early if we hit a line comment.
9082 2000-02-06 Richard Henderson <rth@cygnus.com>
9084 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
9085 * basic-block.h: Declare them.
9086 * emit-rtl.h (active_insn_p): New.
9087 (next_active_insn, prev_active_insn): Use it.
9088 * rtl.h: Declare it.
9089 * function.c (emit_return_into_block): New.
9090 (thread_prologue_and_epilogue_insns): Insert return insns instead
9091 of epilogues when possible.
9092 * jump.c (jump_optimize_1): Remove code to insert a return insn
9093 on the fallthru to the exit block.
9095 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
9096 and for non-empty stack frames.
9097 * i386.md (return): Expand to return-pop as needed.
9099 2000-02-06 Richard Henderson <rth@cygnus.com>
9101 * simplify-rtx.c (simplify_relational_operation): Canonicalize
9102 constant to op1 for testing.
9104 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9106 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
9107 (fixuns_truncqfqi2): Use it.
9109 2000-02-06 Richard Henderson <rth@cygnus.com>
9111 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
9114 * i386.md (widening and peepholes): Mask the constant instead of
9117 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
9119 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
9120 input pointer before possibly branching off to the backslash
9122 * cpphash.c (macroexpand): Correctly delete \r escapes when
9123 stringifying parameters.
9124 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
9125 if we can; bail out early if we hit a line comment.
9126 (handle_directive): Treat '# 123' in an .S file just like
9127 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
9128 Return 1 for '# not_a_directive'.
9129 (get_directive_token): Pop macro buffers here, so that
9130 cpp_get_token can't sneakily move past a newline.
9132 (cpp_get_token): goto randomchar if handle_directive returns 0.
9134 * cppalloc.c: Update copyright.
9135 * cpplib.c: Merge all the static function prototypes into one
9137 * cpplib.h: Remove #if 0 block.
9139 * cpperror.c: Remove #ifdef EMACS block.
9140 * cppmain.c: Likewise.
9141 * cpphash.c: Remove #if 0 blocks.
9142 * cppinit.c: Remove #if 0 blocks, and the -lint option.
9143 * cpplib.c: Remove #if 0 blocks and code referencing
9144 pcp_inside_if or for_lint. Remove duplicate error message.
9145 Fix error messages for #else after #else or #elif. Reformat.
9146 Remove archaic TODO list.
9147 * cpplib.h: Remove pcp_inside_if and for_lint flags.
9149 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
9151 * i386/osf1elf.h: Add missing backslash to multiline string.
9153 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9155 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
9157 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9159 * Makefile.in (c-common.o): Depend on $(EXPR_H).
9161 * c-common.c: Include expr.h.
9163 * c-pragma.c (mark_align_stack): Add prototype.
9165 * caller-save.c (add_stored_regs): Likewise.
9167 * combine.c (record_promoted_value): Likewise.
9169 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
9172 * cppinit.c (new_pending_define): Likewise.
9174 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
9176 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
9177 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
9178 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
9179 class_scope_p): Likewise.
9181 * dwarf2out.h (dwarf2out_set_demangle_name_func,
9182 dwarf2out_add_library_unit_info): Likewise.
9184 * ggc.h (ggc_page_print_statistics): Likewise.
9186 * haifa-sched.c (propagate_deps): Likewise.
9188 * reg-stack.c (next_flags_user, record_label_references): Likewise.
9190 * rtl.h (set_stack_check_libfunc): Likewise.
9192 * toplev.h (set_fatal_function): Likewise.
9194 * toplev.c (set_fatal_function): Delete prototype.
9196 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
9198 2000-02-05 Geoff Keating <geoffk@cygnus.com>
9200 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
9201 (FUNC_END): Likewise.
9203 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9205 * caller-save.c: Include tm_p.h.
9207 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9209 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
9211 2000-02-04 Neil Booth <NeilB@earthling.net>
9213 * cccp.c (main): Check 'dir' for a NULL pointer before passing
9216 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
9218 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
9219 * genflags.c: Use the max_operand_1 logic from genemit.c to
9220 calculate how many arguments gen_insn prototypes have. Remove
9221 NO_MD_PROTOTYPES ifdefs from the generated file.
9222 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
9223 file. Cast gen_insn initializers to insn_gen_fn.
9224 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
9225 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
9227 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9229 * fixinc/Makefile.in (HDR): Add machname.h.
9232 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9234 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
9235 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
9236 (c4x_cpu_version): Ditto.
9237 * config/c4x/c4x-protos.h: ... here.
9239 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
9241 * dwarf2out.c (add_abstract_origin_attribute): Don't call
9242 gen_abstract_function on our context if we're a nested function.
9244 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9246 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
9247 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
9249 2000-02-04 Bruce Korb <bkorb@gnu.org>
9251 * fixinc/genfixes(machname.h):
9252 Move the functionality from gen-machine.h into this file.
9253 UNdef MN_NAME_PAT if there are no names to change.
9254 Also, be a little kinder when AutoGen is not present.
9256 * fixinc/Makefile.in(machname.h):
9257 Change the generation rule to use genfixes.
9259 * fixinc/fixfixes.c(machine_name):
9260 machine_name_fix's functionality now dependent upon whether
9261 MN_NAME_PAT is defined.
9263 * fixinc/fixtests.c(machine_name):
9266 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
9269 * fixinc/fixlib.h(mn_get_regexps):
9272 * fixinc/gen-machine.h: DELETED
9274 2000-02-04 Jan Hubicka <jh@suse.cz>
9275 Richard Henderson <rth@cygnus.com>
9277 * i386.c (SAVE_REGS_FIRST): Remove.
9278 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
9279 (ix86_compute_frame_size): Likewise.
9280 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
9281 (ix86_emit_restore_regs): Remove.
9282 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
9283 when a frame pointer is in use.
9284 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
9285 instead of pop to restore a register when profitable; emit leave
9287 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
9289 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
9290 * i386.md (prologue_allocate_stack): Remove.
9291 (epilogue_deallocate_stack): Remove.
9292 (pro_epilogue_adjust_stack): New.
9294 2000-02-04 Richard Henderson <rth@cygnus.com>
9296 * function.c (diddle_return_value): Rework to use a callback function.
9297 Use current_function_return_rtx if it's been set up.
9298 (do_clobber_return_reg, clobber_return_register): New.
9299 (do_use_return_reg, use_return_register): New.
9300 (expand_function_end): Use them.
9301 * stmt.c (expand_null_return): Likewise.
9302 * function.h: Declare them.
9303 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
9304 (mark_reg): Change arguments as appropriate for callback.
9305 * integrate.c (expand_inline_function): Revert 19 Jan change.
9307 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
9309 * tm.texi (Values in Registers): Fix typo: "fo" "for".
9310 (Misc): Say the scheduler, not the Haifa scheduler.
9312 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
9314 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
9315 when in_mem is set. Update all callers.
9317 2000-02-04 Richard Henderson <rth@cygnus.com>
9319 * i386/openbsd.h (INT_ASM_OP): Define.
9321 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
9323 * tm.texi: Fix various typos.
9325 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
9327 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
9328 (MD_STARTFILE_PREFIX_1): New macro.
9330 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
9332 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
9333 destination when needed.
9334 (strmovsi, strsetsi): New expander.
9335 (strmovsi_1, strsetsi_1): New pattern.
9336 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
9337 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
9338 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
9339 * invoke.texi (align-stringops, inline-all-stringops): Document.
9341 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
9343 * i386/netbsd.h (INT_ASM_OP): Define.
9345 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
9347 * cpplib.h (cpp_reader): Add new flag, no_directives.
9348 * cpphash.c (macarg): Set it.
9349 * cpplib.c (handle_directive): If no_directives is on and we
9350 find a directive, issue an error and discard the line.
9352 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
9354 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
9355 FP constants. Add ! TARGET_FPU check for FP constants.
9357 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
9359 * flow.c (find_basic_blocks): Don't kill label_value_list
9361 (cleanup_cfg): Kill it here.
9363 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9365 * expr.c (store_field): Ensure ALIGN is no stricter than the
9368 2000-02-02 Richard Henderson <rth@cygnus.com>
9370 * jump.c (delete_insn): Partially revert 19 Jan change;
9371 don't convert unused code labels to notes at -O0.
9373 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9375 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
9376 split_all_insns to recreate REG_LABEL notes for flow2 pass.
9378 2000-02-01 Richard Henderson <rth@cygnus.com>
9380 * i386.c (general_no_elim_operand): New.
9381 (nonmemory_no_elim_operand): New.
9382 (ix86_expand_move): Copy eliminable operands before a push.
9383 * i386-protos.h: Declare new functions.
9384 * i386.h (CAN_ELIMINATE): Simplify.
9385 (PREDICATE_CODES): Update.
9386 * i386.md (push insns): Don't allow eliminable register operands.
9388 2000-02-01 Richard Henderson <rth@cygnus.com>
9390 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
9391 replace BLKmode with DECL_RTL's mode.
9393 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
9395 * frame.c (find_fde): Convert for loop to do-while so compiler
9396 sees it's always executed at least once.
9397 * libgcc2.c (BBINBUFSIZE): Kill.
9398 (__bb_init_prg): Use fgets.
9399 (__bb_exit_trace_func): Don't paste strings.
9400 * unroll.c (unroll_loop): Initialize unroll_type, not
9401 unroll_number, and tweak logic to match.
9403 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
9405 (ix86_flags_dependant): Likewise. Disentangle control flow.
9406 (ix86_sched_reorder): Break guts out to
9407 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
9408 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
9411 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
9412 use string concatenation. Don't save and restore esi.
9414 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
9415 (machname.h): Remove script to separate file. Use two-step
9416 sequence so target is not created if script fails.
9417 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
9418 identifiers are defined.
9419 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
9420 an empty string, machine_name doesn't need to do anything at
9422 (is_cxx_header): Add more cases to regexp.
9423 * fixinc/fixlib.h: Update prototype.
9424 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
9426 * fixinc/fixincl.c: Define NO_BOGOSITY.
9428 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
9429 (hp_sysfile): Add missing comma.
9430 (math_exception): Put the wrapper ifdefs at the beginning and
9431 the end of the file.
9432 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
9434 2000-02-01 Richard Henderson <rth@cygnus.com>
9436 * sparc.c (fp_zero_operand): Turn into a normal predicate.
9437 Use CONST0_RTX. Update all callers.
9438 * sparc.h, sparc-protos.h: Update accordingly.
9439 * sparc.md (fp mov insns): Use fp_zero_operand directly
9442 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
9444 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
9447 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9449 * Makefile.in (specs.ready): New target.
9450 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
9452 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9454 * fixinc.irix: Use unique filenames for writing into /tmp,
9455 * fixinc.ptx: Likewise.
9456 * fixinc.sco: Likewise.
9457 * fixinc.svr4: Likewise.
9458 * fixinc.winnt: Likewise.
9460 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9462 * tsystem.h: New file.
9464 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
9465 s-crtS): Depend on tsystem.h.
9467 * crtstuff.c: Include tsystem.h.
9468 * frame.c: Likewise.
9469 * libgcc2.c: Likewise.
9471 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
9473 * builtins.c (expand_builtin_memset): Expand for variable sized
9476 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
9478 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
9481 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
9483 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
9485 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
9487 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
9489 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
9490 case 3->2 combining (combining with splitting) in which 2 is CC0
9491 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
9492 checked at the begining of the function with the aid of calling
9493 function 'can_combine_p'.
9495 2000-01-31 Dave Brolley <brolley@redhat.com>
9497 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
9499 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
9501 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
9504 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9506 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
9508 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
9511 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9513 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
9514 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
9515 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
9516 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
9517 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
9518 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
9519 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
9520 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
9521 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
9522 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
9524 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
9525 Add %(cpp_cpu) to CPP_SPEC.
9527 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
9528 Add %(cc1_cpu) to CC1_SPEC.
9530 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9532 * c-decl.c (c_decode_option): Accept optional numeric argument to
9533 -Wformat and set warn_format.
9534 * c-common.c: Don't emit warning about non-constant printf format
9535 string unless warn_format > 1.
9537 2000-01-30 Richard Henderson <rth@cygnus.com>
9539 * alpha.md (return_internal): Allow after reload only.
9541 2000-01-30 Richard Henderson <rth@cygnus.com>
9543 * i386.c (ix86_compute_frame_size): Omit padding1 if the
9544 local frame size is zero.
9546 2000-01-30 Richard Henderson <rth@cygnus.com>
9548 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
9549 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
9550 * alpha.md (return): Turn into an expander.
9551 (return_internal): Don't use $26.
9552 (epilogue): Emit the return insn.
9554 2000-01-30 Richard Henderson <rth@cygnus.com>
9556 * alpha.md (negtf2, abstf2): Fix word order thinko.
9558 (trunctfsf2): Avoid intermediate rounding errors.
9560 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9562 * cppfiles.c (find_position): Drop 'colp' argument, return the
9564 (read_and_prescan): Adjust to match. Don't ever manipulate
9565 line or line_base except via find_position.
9567 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9569 * c-parse.in: Apply Ulrich's changes from c-parse.y.
9570 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
9573 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9575 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
9576 just print "<command line>". If 'filename' is null or an
9577 empty string, print "<stdin>" for the filename.
9578 * cpplib.c (do_define): Don't print the 'location of the
9579 previous definition' message if we're still parsing the
9581 (cpp_pedwarn_with_file_and_line): Always call
9582 cpp_file_line_for_message.
9584 2000-01-29 Mark Mitchell <mark@codesourcery.com>
9586 * flow.c (mark_regs_live_at_end): Fix typo.
9588 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9590 * c-common.c: Adjust variable names, comments, help strings to c99.
9591 * c-lex.c: Likewise.
9592 * c-parse.y: Likewise.
9593 * c-tree.h: Likewise.
9595 * cpplib.h: Likewise.
9596 * c-decl.c: Likewise. Recognize options with names "*99" as well.
9597 * cppinit.c: Likewise.
9599 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9601 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
9602 * c4x.c: Define the optab rtx values.
9603 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
9604 (c4x_emit_libcall): Use new optab rtx values.
9605 (c4x_emit_libcall3): Likewise.
9606 (c4x_emit_libcall_mulhi): Likewise.
9607 * c4x-protos.h: Add prototypes for optab rtx values and change
9608 prototypes for above c4x_emit_libcall functions.
9610 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9612 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
9614 (c4x_function_prologue): Use regnames intead of float_reg_names when
9616 (c4x_function_epilogue): Likewise.
9617 (c4x_print_operand): Likewise.
9618 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
9619 * c4x.md (set_high): Disable for TARGET_TI.
9621 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9623 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
9624 of framepointer + constant to ADDR_REGS class.
9625 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
9626 * c4x.c (std_or_reg_operand): New function.
9627 * c4x-protos.h (std_or_reg_operand): Prototype it.
9629 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9631 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
9632 object names as libgcc2.c.
9633 * libgcc.S: Use newly defined names.
9635 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
9636 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
9638 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
9639 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
9640 (FLOW_LOOP_LAST_BLOCK): Likewise.
9642 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9644 * basic-block.h (struct loop): New fields 'first' and 'last'.
9645 * flow.c (flow_loops_find): Compute loop->first and loop->last.
9646 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
9647 and loop->last to check for NOTE_INSN_LOOP_END.
9649 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
9651 * predict.c (estimate_probability): Use the new FIRST and LAST fields
9652 of the loop descriptor rather than HEADER and LATCH. Also added
9653 missing break statements as well making some coding style modifications
9654 as suggested by Michael Hayes.
9656 2000-01-28 Richard Henderson <rth@cygnus.com>
9658 * flow.c (find_basic_blocks): Remove do_cleanup argument.
9659 Break out that code ...
9660 (cleanup_cfg): ... here.
9661 (commit_one_edge_insertion): Detect a return instruction being
9662 emitted to an edge. Emit a barrier following; clear fallthru.
9663 (commit_edge_insertions): Verify CFG consistency.
9664 * function.c (expand_function_start): Kill unused variable.
9665 (expand_function_end): Likewise.
9666 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
9667 to insert the epilogue.
9669 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
9670 (delete_null_pointer_checks): Likewise.
9671 * output.h: Likewise.
9672 * reg-stack.c (reg_to_stack): Likewise.
9673 * toplev.c (rest_of_compilation): Likewise. Run
9674 thread_prologue_and_epilogue_insns after rebuilding the CFG.
9676 2000-01-28 Richard Henderson <rth@cygnus.com>
9678 * Makefile.in (flow.o): Revert 24 Jan change.
9679 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
9680 FUNCTION_VALUE result to DECL_RESULT's mode.
9682 * haifa-sched.c (schedule_insns): Don't recompute reg info
9685 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
9687 * configure.in: Make --enable-cpplib the default.
9688 * configure: Regenerate.
9689 * gcc.dg/990119-1.c: No longer expected to fail.
9691 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
9693 * jump.c (jump_optimize_1): Delete an optimization that is also done
9694 by merge_blocks in flow.
9696 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9698 * diagnostic.c (build_message_string, output_printf,
9699 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
9700 (build_location_prefix): Fix non-literal format string.
9702 2000-01-27 Richard Henderson <rth@cygnus.com>
9704 * alpha.md (trunctfsf2): New.
9706 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
9708 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
9710 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9712 * cppinit.c (cpp_handle_option): Recognize C++ comments under
9714 * cpplib.c (skip_block_comment, skip_line_comment): Split code
9716 (skip_comment) ... here. Permit C++ comments in system
9717 headers always. Warn about C++ comments in user code under
9718 -std=gnu89 -pedantic.
9719 (copy_comment): Use skip_comment.
9720 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
9722 (consider_directive_while_skipping, do_else, do_endif): Call
9723 validate_else unconditionally.
9724 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
9725 text after the conditional in a system header.
9726 * cpplib.h (struct cpp_buffer): Add flag
9727 warned_cplusplus_comments.
9729 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9731 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
9732 Use unshare_all_rtl_1.
9733 (unshare_all_rtl_again): New function.
9734 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
9736 * function.c (purge_addressof_1): Use unshare_all_rtl_again
9737 rather than resetting the 'used' flags ourself.
9739 * toplev.c (rest_of_compilation): Add current_function_decl
9740 to the unshare_all_rtl call.
9741 * tree.h: Prototype unshare_all_rtl.
9742 * rtl.h: Prototype unshare_all_rtl_again here.
9744 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9746 * genoutput.c (output_prologue): Include ggc.h in generated
9748 * Makefile.in (insn-output.o): Depends on ggc.h.
9750 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
9751 Hans-Peter Nilsson <hp@bitrange.com>
9753 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
9754 Remove redundant include of xm-ns32k.h.
9755 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
9756 Remove redundant include of xm-ns32k.h.
9757 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
9758 Remove redundant include of xm-ns32k.h.
9759 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
9761 * ns32k/ns32k.h: Update comment on multiply-add instructions.
9762 (TARGET_SWITCHES): Add documentation strings.
9763 (DWARF_FRAME_REGNUM): Override default definition.
9764 (REG_CLASS_CONTENTS): Add comments.
9765 (SUBSET_P): Format to reduce line length.
9766 (SMALL_REGISTER_CLASSES): Make a run time option.
9767 (GO_IF_NONINDEXED_ADDRESS): Reformat.
9768 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
9769 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
9770 (regclass_map): fix typo in comment.
9771 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
9772 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
9773 (trace, reg_or_mem_operand): Delete, unused function.
9774 (calc_address_cost): Small offsets are cheaper than large ones.
9775 (expand_block_move): Generate more efficient code when bytes is a
9776 known at compile time.
9777 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
9778 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
9779 instead of reg_or_mem_operand.
9781 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
9782 not general_operand. Similarly use "=rm" or stricter, not "=g".
9783 For input operands, use stricter constraints than "g" if not
9784 general_operand. Similarly use stricter predicate than
9785 "general_operand" when stricter constraints than "g" are present,
9786 except for matching constraints.
9787 (movstrsi): Use "memory_operand" for operands 0 and 1.
9788 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
9789 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
9790 not reg_or_mem_operand.
9791 (udivmoddisi4): Ditto.
9792 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
9793 Use nonimmediate_operand for operand 3, not register_operand.
9794 (udivmoddiqi4_internal): Use register_operand for operand 1, not
9797 2000-01-27 Fred Fish <fnf@be.com>
9799 * gthr-posix.h: Fix typo; compatibily -> compatibility.
9800 * gthr-single.h: Likewise.
9801 * gthr-solaris.h: Likewise.
9802 * gthr-vxworks.h: Likewise.
9803 * gthr-win32.h: Likewise.
9806 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9808 * cppinit.c: Add " (cpplib)" to end of string printed by
9811 2000-01-27 Richard Henderson <rth@cygnus.com>
9813 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
9814 testing for a signed comparison.
9815 (alpha_emit_floatuns): New.
9816 * alpha-protos.h: Declare it.
9817 * alpha.md (floatunsdisf2, floatunsdidf2): New.
9818 (extendsfdf2): Tidy.
9820 2000-01-27 Jakub Jelinek <jakub@redhat.com>
9822 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
9823 no -g option specifying debugging format, default to -gstabs+.
9825 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9827 * calls.c (special_function_p): New argument fork_or_exec.
9828 (expand_call): When profile_arc_flag is set and the function
9829 is in the fork_or_exec group, call __bb_fork_func first.
9830 * libgcc2.c, _bb module (__bb_fork_func): New function.
9831 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
9833 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
9834 * tree.h (special_function_p): Update prototype.
9836 2000-01-26 Richard Henderson <rth@cygnus.com>
9838 * alpha.c (alpha_split_tfmode_pair): New.
9839 * alpha-protos.h: Declare it.
9840 * alpha.md (abstf2, negtf2): New.
9841 (movtf insn): Add input G constraint.
9842 (movtf splitter): Use alpha_split_tfmode_pair.
9844 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9846 * i386/cygwin.h: PROTO -> PARAMS.
9848 2000-01-26 Jakub Jelinek <jakub@redhat.com>
9850 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
9851 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
9852 using _Qp_cmp/_Q_cmp and testing the return value.
9853 (print_operand): Call reverse_condition_maybe_unordered if
9854 we are handling CCFPmode or CCFPEmode.
9855 Handle ORDERED, UN* and LTGT comparisons.
9856 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
9857 if not TARGET_HARD_QUAD.
9858 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
9859 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
9860 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
9861 Adjust gen_b* calls so that they reflect return comparison of
9862 sparc_emit_float_lib_cmp.
9864 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9866 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
9867 incoming operands array is large enough for one more operand.
9868 (alpha_emit_xfloating_arith): Likewise.
9870 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9872 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
9873 file with one line and no trailing newline.
9874 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
9875 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
9876 checking if the match is on the line.
9877 * fixinc/gnu-regex.c: Provide regerror not __regerror.
9879 2000-01-25 Richard Henderson <rth@cygnus.com>
9881 * sparc.c (output_cbranch): Fix accidental squashing of the
9882 fp branch pre-delay nop.
9884 2000-01-25 Richard Henderson <rth@cygnus.com>
9886 * tree.def (UNNE_EXPR): Remove.
9887 * c-typeck.c (build_binary_op): Don't handle it.
9888 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
9890 * rtl.def (UNNE): Remove.
9892 * jump.c (reverse_condition): Update accordingly.
9893 (swap_condition): Likewise.
9894 (comparison_dominates_p): Handle unordered comparisons.
9895 (reverse_condition_maybe_unordered): New.
9896 * rtl.h (reverse_condition_maybe_unordered): Declare.
9898 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
9899 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
9900 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
9901 * sparc.md (bltgt): New.
9903 2000-01-25 Nick Clifton <nickc@redhat.com>
9905 * emit-rtl.c (emit_insn): Only check machine class insns for
9906 improper emission of a RETURN.
9908 2000-01-25 Richard Henderson <rth@cygnus.com>
9910 * Makefile.in (flow.o): Depend on $(EXPR_H).
9911 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
9912 duplicate the structure of diddle_return_value for keeping regs live.
9914 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9916 * loop.c (current_loop_info): Delete.
9917 (consec_sets_invariant_p): Add loop argument, update callers.
9918 (get_condition_for_loop): Likewise.
9919 (count_nonfixed_reads, update_giv_derive): Likewise.
9920 (simplify_giv_expr, general_induction_var): Likewise.
9921 (consec_sets_giv, recombine_givs): Likewise.
9922 (move_movables): Delete loop_start and loop_end arguments,
9923 add loop argument, and update callers.
9924 (find_mem_givs, check_final_value): Likewise.
9925 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
9926 (loop_invariant_p): Rename from invariant_p, add loop argument, and
9928 (basic_induction_var): Add loop argument, delete loop_level argument,
9930 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
9931 add loop argument, and update callers.
9932 (find_splittable_regs, find_splittable_givs): Likewise.
9933 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
9934 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
9935 (biv_total_increment): Delete loop_start and loop_end arguments;
9937 (precondition_loop_p): Delete loop_start and loop_info arguments;
9939 * loop.h (get_condition_for_loop): Add loop argument.
9940 (biv_total_increment): Delete loop_start and loop_end arguments.
9941 (precondition_loop_p): Delete loop_start and loop_info arguments;
9943 (final_biv_value): Delete loop_start and loop_end arguments;
9945 (final_giv_value, back_branch_in_range_p): Likewise.
9947 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9949 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
9951 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9953 * Makefile.in (c-gperf.h) : Change the "See" pointer to
9954 point to the new "generated_files" doc.
9956 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9958 * config/fp-bit.c (_unord_f2): Fix typo.
9960 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9962 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
9963 c-typeck.c, objc/objc-act.c: Remove all references to obstack
9964 functions obsoleted by GC, such as push_obstacks_nochange,
9965 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
9966 and code which existed only to decide whether or not to call
9967 them. Remove now-unused NESTED argument from start_function;
9968 all callers changed. Do not change behavior based on ggc_p.
9969 The use of the ixp_obstack in c-iterate.c and the util_obstack
9970 in objc/objc-act.c remain; these are not obsoleted by garbage
9972 * c-tree.h: Update prototype for start_function.
9974 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
9976 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9978 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
9981 2000-01-25 Richard Henderson <rth@cygnus.com>
9983 * sparc-protos.h (select_cc_mode): Declare.
9984 * sparc.c (select_cc_mode): New. Handle unordered compares.
9985 (output_cbranch): Always reverse via code change. Handle
9986 unordered compares. Factor tests and string updates.
9987 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
9988 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
9989 * sparc.md (bunordered, bordered): New.
9990 (bungt, bunlt, buneq, bunge, bunle): New.
9992 2000-01-25 Richard Henderson <rth@cygnus.com>
9994 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
9995 * ggc-common.c (ggc_add_rtx_varray_root): New.
9996 (ggc_mark_rtx_varray): New.
9997 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
9998 functions down below ggc_mark_foo.
9999 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
10001 2000-01-25 Richard Henderson <rth@cygnus.com>
10003 * alpha.c (secondary_reload_class): Don't allocate a secondary
10004 for integral mode memories into FLOAT_REGS. Rearrange the more
10005 complicated memory expression inward.
10007 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
10009 * inclhack.def: Fixes to play nicer with FreeBSD, and
10010 corrections to comments.
10011 (cxx_unready): Add select expression.
10012 (irix_sockaddr): Add bypass expression.
10013 (machine_ansi_h_va_list): New fix.
10014 (stdio_va_list): No need to edit _BSD_VA_LIST_.
10015 Split out addition of "#include <stdarg.h>" to...
10016 (stdio_stdarg_h): ... here.
10017 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
10018 to stdlib.h also. Do not munge _BSD_SIZE_T_.
10019 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
10021 (ultrix_ifdef): Tighten up select expression.
10023 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
10024 re_ct and max_mach to avoid use of shell. Make printed names
10025 match names in inclhack.def. Use static copyright date.
10026 Don't count c_test and test expressions as requiring regex_t
10027 slots. Add some commentary.
10028 * inclhack.tpl: Do not include the 'This script contains N
10029 fixup scripts' line if PROGRAM is defined. Use static
10032 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
10034 * dwarf2out.c: include "varray.h", not dyn-string.h.
10035 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
10036 (addr_const_to_string, addr_to_string): Lose.
10037 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
10038 (struct dw_val_struct): val_addr is now an rtx.
10039 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
10040 (used_rtx_varray): New varray.
10041 (dwarf2out_init): Initialize it.
10042 (save_rtx): New fn.
10043 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
10045 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
10046 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
10047 * Makefile.in (dwarf2out.o): Update dependencies.
10049 2000-01-24 Richard Henderson <rth@cygnus.com>
10051 * i386.c (i386_dwarf_output_addr_const): New.
10052 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
10054 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
10056 * dwarfout.c (output_mem_loc_descriptor): Likewise.
10057 * i386.c (i386_simplify_dwarf_addr): New.
10058 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
10060 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
10062 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
10063 TYPE_STUB_DECL is NULL.
10065 2000-01-24 Richard Henderson <rth@cygnus.com>
10067 * builtins.c (expand_tree_builtin): Move ...
10068 * c-common.c (expand_tree_builtin): ... here.
10070 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10072 * loop.h (LOOP_INFO): New accessor macro.
10073 * basic-block.h (struct loop): Rename field `info' to `aux'.
10074 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
10075 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
10076 * unroll.c (loop_iterations, unroll_loop): Likewise.
10078 2000-01-24 Christopher Faylor <cgf@cygnus.com>
10080 * config/i386/t-cygwin: Accomodate new winsup directory layout
10081 when searching for include files.
10083 2000-01-24 Richard Henderson <rth@cygnus.com>
10085 * rtl.def: Add unordered fp comparisions.
10086 * tree.def: Likewise.
10087 * tree.h: Add ISO C 9x unordered fp comparision builtins.
10089 * builtins.c (expand_tree_builtin): New function.
10090 * c-typeck.c (build_function_call): Use it.
10091 (build_binary_op): Support unordered compares.
10092 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
10094 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
10095 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
10096 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
10097 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
10098 * jump.c (reverse_condition): Don't abort for UNLE etc, but
10100 (swap_condition): Handle unordered compares.
10101 (thread_jumps): Check can_reverse before reversing.
10102 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
10105 * optabs.c (can_compare_p): New argument CODE. Verify branch or
10106 setcc is present before acking for cmp_optab. Update all callers.
10107 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
10108 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
10109 * expr.c (expand_expr): Likewise. Support unordered compares.
10110 (do_jump, do_store_flag): Likewise.
10111 * expr.h (enum libfunc_index): Add unordered compares.
10113 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
10114 (DPBIT_FUNCS): Add _unord_df.
10115 * config/fp-bit.c (_unord_f2): New.
10116 * fp-test.c (main): Try unordered compare builtins.
10118 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
10119 * alpha.c (alpha_comparison_operator): Check mode properly.
10120 (alpha_swapped_comparison_operator): Likewise.
10121 (signed_comparison_operator): Likewise.
10122 (alpha_fp_comparison_operator): New.
10123 (alpha_emit_conditional_branch): Handle unordered compares.
10124 * alpha.h (PREDICATE_CODES): Update.
10125 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
10126 (bunordered, bordered): New.
10128 2000-01-24 Richard Henderson <rth@cygnus.com>
10130 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
10131 * alpha.md (movtf): New expander, insn, and splitter.
10133 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
10135 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
10138 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
10140 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
10141 (FIXED_REGISTERS, CALL_USED_REGISTERS,
10142 REG_ALLOC_ORDER): Add frame pointer
10143 (FRAME_POINTER_REGNUM): Set to 20
10144 (HARD_FRAME_POINTER_REGNUM): New macro.
10145 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
10146 to HARD_FRAME_POINTER.
10147 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
10148 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
10149 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
10150 (HI_REGISTER_NAMES): Add "frame".
10151 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
10152 (debug_reg): Handle FRAME_POINTER_REGNUM.
10153 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
10154 GENERAL_REGS and INDEX_REGS.
10155 * i386.c (SAVED_REGS_FIRST): new macro.
10156 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
10157 (ix86_decompose_address, memory_address_length): Likewise.
10158 (regclass_map): Add frame pointer.
10159 (call_insn_operand): Handle frame_pointer_rtx.
10160 (reg_no_sp_operand): Likewise.
10161 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
10162 (print_operand, legitimize_pic_address): Fix formating.
10163 (ix86_compute_frame_size): Make static, update prototype, new
10164 parameters padding1, padding2, use ix86_nsaved_regs, use
10165 stack_alignment_needed.
10166 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
10167 to HARD_FRAME_POINTER_REGNUM conversions.
10168 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
10169 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
10170 (print_reg): Abort on FRAME_POINTER_REGNUM
10172 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
10174 * i386.h (PREDICATE_CODES): Add aligned_operand.
10175 * i386.c (aligned_operand): New function.
10176 (ix86_aligned_p): Kill.
10177 * i386.md (movhi_1): Emit mov for aligned operands.
10178 (promoting peep2s): Use aligned_operand.
10180 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
10182 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
10183 expression to allow underscores in macro names.
10184 (fix_char_macro_defines): Increment scanning pointer.
10186 2000-01-23 Richard Henderson <rth@cygnus.com>
10188 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
10189 * alpha/osf5.h: New file.
10190 * configure.in (alpha-*-osf5): Add it to tm_file.
10192 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
10194 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
10195 (alpha_emit_xfloating_cvt, function_arg): Declare.
10196 * alpha.c (alpha_emit_conditional_branch): Call
10197 alpha_emit_xfloating_compare for TFmode compares.
10198 (alpha_lookup_xfloating_lib_func): New.
10199 (alpha_compute_xfloating_mode_arg): New.
10200 (alpha_emit_xfloating_libcall): New.
10201 (alpha_emit_xfloating_arith): New.
10202 (alpha_emit_xfloating_compare): New.
10203 (alpha_emit_xfloating_cvt): New.
10204 (print_operand): Add default abort case.
10205 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
10206 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
10207 (BIGGEST_ALIGNMENT): Increase to 128 bits.
10208 (RETURN_IN_MEMORY): True for TF/TCmode.
10209 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
10210 (FUNCTION_ARG): Move to function_arg.
10211 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
10212 (ASM_OUTPUT_LONG_DOUBLE): New.
10213 (ASM_OUTPUT_DOUBLE): Always output bits.
10214 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
10215 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
10216 (extenddftf2, trunctfdf2): New.
10218 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10220 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
10221 * config/sparc/sol2.h: ... here.
10223 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10225 * basic-block.h (struct loops): New field `levels'.
10226 * flow.c (flow_loops_level_compute): Traverse all outer loops.
10227 (flow_loop_level_compute): Initialise level to 1.
10228 (flow_loops_find): Set loops->levels.
10229 (flow_loops_dump): Print loops->levels.
10231 2000-01-23 Richard Henderson <rth@cygnus.com>
10233 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
10234 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
10236 2000-01-23 Richard Henderson <rth@cygnus.com>
10238 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
10239 * i386.h (DBX_REGISTER_NUMBER): Use them.
10240 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
10241 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
10242 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
10243 * i386/sequent.h: Kill incorrect comment.
10245 2000-01-23 Mark Mitchell <mark@codesourcery.com>
10247 * ggc-page.c (struct page_entry): Make `context_depth' an
10249 (struct globals): Likewise.
10251 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
10253 * loop.c (check_dbra_loop): When checking a loop for
10254 reversability, check the source of any stores to ensure
10255 they don't depend on an initial value.
10257 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10259 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
10261 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
10263 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
10264 'pz_scan' into scope of entire function. Only affects
10265 compiles with -DDEBUG.
10267 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
10269 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
10270 section naming to that prior to 2000-01-07 patch.
10271 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
10272 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
10273 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
10274 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
10275 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
10277 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
10279 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
10282 2000-01-21 Jim Wilson <wilson@cygnus.com>
10284 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
10285 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
10287 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10289 * cpphash.c (change_newlines): Delete function.
10290 (struct argdata): Delete 'newlines' and 'use_count' fields.
10291 (macroexpand): Remove code referencing those fields.
10293 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10295 * loop.c (loops_info): New variable.
10296 (loop_optimize): Allocate loops->array and free it on exit.
10297 Allocate memory for loops_info and assign to each loop,
10299 (find_and_verify_loops): Do not allocate loops->array.
10301 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10303 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
10305 2000-01-21 Jakub Jelinek <jakub@redhat.com>
10307 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
10308 pseudos if expanded after first flow.
10309 (movdi_pic_label_ref): Likewise.
10311 2000-01-20 Richard Henderson <rth@cygnus.com>
10313 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
10315 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
10317 * Makefile.in (fixinc.sh): Depend on specs.
10318 * fixinc/Makefile.in: Add rule to create machname.h.
10319 (fixlib.o): Depend on machname.h.
10320 * fixinc/fixtests.c (machine_name): New test.
10321 * fixinc/fixfixes.c (machine_name): New fix.
10322 * fixinc/fixlib.c (mn_get_regexps): New helper function for
10323 the machine_name test and fix.
10324 * fixinc/fixlib.h: Prototype it.
10325 * fixinc/inclhack.def (machine_name): Use the C test and fix.
10326 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
10328 * gcc.c (do_spec_1) [case P]: Take care not to create
10329 identifiers with three leading or trailing underscores.
10331 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
10332 (fixincl): Don't specify libraries twice on link line.
10333 (gnu-regex.o): Remove special rule.
10334 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
10335 defined by config.h. Do not define _REGEX_RE_COMP.
10336 (regcomp): Allocate and initialize a fastmap.
10337 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
10339 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
10341 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
10343 2000-01-19 Richard Henderson <rth@cygnus.com>
10345 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
10346 arguments with BB. Update all callers. Tidy line wrapping.
10348 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
10350 * emit-rtl.c (try_split): Return last_insn if we split the
10353 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
10355 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
10356 (ix86_initial_elimination_offset): Declare.
10357 * i386.c (ix86_nsaved_regs): Break out from ...
10358 (ix86_can_use_return_insn_p): ... here.
10359 (ix86_emit_save_regs): Break out from ...
10360 (ix86_expand_prologue): ... here.
10361 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
10363 (ix86_expand_epilogue): ... here.
10364 (ix86_compute_frame_size): Make static, add prototype.
10365 (ix86_initial_elimination_offset): Break out from ...
10366 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
10368 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10370 * recog.h (OUT_FCN): Delete.
10372 * vax.md: Call `get_insn_template' instead of OUT_FCN.
10374 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10376 * cppalloc.c: PROTO -> PARAMS.
10377 * cpperror.c: Likewise.
10378 * cppfiles.c: Likewise.
10379 * cpplib.c: Likewise.
10380 * cpplib.h: Likewise.
10382 * config/arm/arm-protos.h: PROTO -> PARAMS.
10383 * config/arm/arm.c: Likewise.
10384 * config/c4x/c4x.c: Likewise.
10385 * config/fr30/fr30-protos.h: Likewise.
10386 * config/nextstep.c: Likewise.
10387 * config/pa/pa.c: Likewise.
10388 * config/pj/pj.c: Likewise.
10389 * config/rs6000/rs6000.c: Likewise.
10390 * config/v850/v850-protos.h: Likewise.
10391 * config/v850/v850.c: Likewise.
10393 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10395 * i370-protos.h: New file.
10397 * i370.c: Include tm_p.h. Fix compile time warnings.
10399 * i370.h: Move prototypes to i370-protos.h. Fix compile time
10402 * i370.md: Likewise.
10404 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10406 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
10407 (target_isinf, target_isnan, eisnan): Mark parameter with
10409 (eiisinf): Wrap in INFINITY.
10410 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
10411 (ibmtoe): Remove unused variable `rndsav'.
10413 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10415 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
10416 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
10418 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
10420 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
10421 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
10422 (fix_char_macro_defines, fix_char_macro_uses): New functions.
10424 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
10425 Recognize Emacs mode markers also.
10426 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
10427 C++ comments in C++ headers. Call is_cxx_header only if
10430 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
10431 bypass for ncurses.
10432 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
10433 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
10434 ... these, which use the new C fixes.
10435 (math_exception): Escape literal '+' in bypass expression.
10437 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
10440 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10442 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
10445 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10447 * loop.c (loop_optimize): Allocate loop_info structure for each loop
10448 prior to calling scan_loop.
10450 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10452 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
10453 (split_branches, calc_live_regs): Likewise.
10455 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10457 * sh.md (fpu_single, fp_mode): New attributes.
10459 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10461 * loop.c (current_loop_info): Renamed from loop_info_data
10462 and changed to a pointer.
10463 (loop_optimize): Allocate loop_info structure for each loop
10464 and initialise to zero.
10465 (scan_loop): Set current_loop_info.
10467 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
10470 2000-01-19 Richard Henderson <rth@cygnus.com>
10472 * stupid.c: Die die die.
10473 * Makefile.in (OBJS): Remove stupid.o.
10474 (stupid.o): Likewise.
10476 * except.c (emit_eh_context): Don't emit USEs for stupid.
10477 * explow.c (probe_stack_range): Likewise.
10478 * flags.h (obey_regdecls): Remove.
10479 * flow.c (find_basic_blocks): Don't run try_merge_blocks
10480 when not optimizing.
10481 (life_analysis): Limit data collection when not optimizing.
10482 (mark_regs_live_at_end): Always mark the return value registers.
10483 (mark_used_regs): Remove dummy RETURN case.
10484 (print_rtl_with_bb): Don't consult obey_regdecls.
10485 * function.c (use_variable, use_variable_after): Remove.
10486 (assign_parms): Consult optimize not obey_regdecls.
10487 (expand_function_start): Don't emit USEs for stupid.
10488 (expand_function_end): Likewise.
10489 * global.c (build_insn_chain): Export.
10490 * integrate.c (expand_inline_function): Kill return-value USE
10492 * jump.c (jump_optimize_1): Do simple jump optimizations and
10493 dead code elimination.
10494 (calculate_can_reach_end): Remove check_deleted argument.
10495 (delete_insn): Patch out insns even when not optimizing.
10496 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
10497 * rtl.h (use_variable, use_variable_after): Remove declarations.
10498 (build_insn_chain): Declare.
10499 * stmt.c (expand_value_return): Don't emit USEs for stupid.
10500 (expand_end_bindings): Likewise.
10501 (expand_decl): Likewise. Consult optimize not obey_regdecls.
10502 * toplev.c (obey_regdecls): Remove.
10503 (rest_of_compilation): Don't set it. Kill stupid in favour of
10504 flow1, local-alloc, and reload.
10505 (main): Don't set obey_regdecls.
10507 * config/nextstep.c (handle_pragma): Likewise.
10509 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
10511 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
10513 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10515 * alpha-protos.h: PROTO -> PARAMS.
10516 * alpha.c: Likewise.
10518 * h8300.c: Likewise.
10519 * i386-protos.h: Likewise.
10520 * i386.c: Likewise.
10521 * m32r-protos.h: Likewise.
10522 * m32r.c: Likewise.
10523 * mips.c: Likewise.
10524 * mips.md: Likewise.
10525 * gmon-sol2.c: Likewise.
10526 * sparc.c: Likewise.
10528 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10530 * ns32k-protos.h: New file.
10532 * ns32k.c: Fix compile time warnings.
10534 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
10537 * ns32k.md: Likewise.
10539 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10541 * vax-protos.h: New file.
10543 * vax.c: Fix compile time warnings.
10545 * vax.h: Move prototypes to vax-protos.h. Fix compile time
10548 * vax.md: Likewise.
10550 * vaxv.md: Likewise.
10552 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10554 * romp-protos.h: New file.
10556 * romp.c: Fix compile time warnings.
10558 * romp.h: Move prototypes to romp-protos.h. Fix compile time
10561 * romp.md: Likewise.
10563 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10565 * we32k-protos.h: New file.
10567 * we32k.c: Fix compile time warnings.
10569 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
10572 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10574 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
10576 * except.c (eh_regs): Likewise.
10578 * final.c (output_operand): Likewise.
10580 * fold-const.c (target_isinf, target_isnan): Likewise.
10582 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10584 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
10585 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
10587 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
10588 when optimize_size.
10589 (clrstrsi): Rewrite.
10590 (strsethi, strsetqi): New expanders.
10591 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
10592 (cmpstrsi): Emit compare insn before cmpstrsi_1
10593 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
10594 (strlensi_1): Likewise.
10595 (cmpstrsi_1): Likewise; do not output compare.
10596 (strlen expander): Do not unroll when optimizing for size.
10597 (*subsi3_carry): Rename to subsi3_carry
10598 (addqi3_cc): New pattern.
10599 * i386.h (processor_costs): Add move_ratio field.
10600 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
10601 * i386.c (*_cost): Set move_ratio.
10602 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
10603 (x86_expand_strlensi_1): Rewrite the main loop.
10605 2000-01-17 Richard Henderson <rth@cygnus.com>
10607 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
10608 * cse.c (find_comparison_args, fold_rtx): Likewise.
10609 * integrate.c (subst_constants): Likewise.
10610 * loop.c (get_condition): Likewise.
10612 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
10614 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
10616 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10618 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
10619 (RESTORE_WARN_FLAGS): Unpack it.
10620 Change semantic type of extension to ttype.
10621 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
10622 * c-parse.y, c-parse.c, objc/objc-parse.y,
10623 objc/objc-parse.c: Regenerate.
10625 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
10627 * fixinc/fixlib.c: Add copyright notice.
10628 (compile_re): New function.
10629 * fixinc/fixlib.h: Prototype compile_re.
10631 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
10632 Use compile_re to compile regular expressions.
10634 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
10635 where the pattern matched.
10637 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
10639 (ultrix_ansi_compat): Likewise.
10640 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
10642 (interactv_add2, interactv_add3): Delete.
10643 (x11_sprintf): Don't use filename glob.
10644 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
10647 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10649 * print-rtl.c: PROTO -> PARAMS.
10650 * real.c: Likewise.
10651 * reg-stack.c: Likewise.
10652 * resource.c: Likewise.
10653 * sdbout.h: Likewise.
10654 * simplify-rtx.c: Likewise.
10655 * stor-layout.c: Likewise.
10656 * stupid.c: Likewise.
10657 * xcoffout.c: Likewise.
10658 * xcoffout.h: Likewise.
10660 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10662 * toplev.c: PROTO -> PARAMS.
10663 * toplev.h: Likewise.
10664 * tree.c: Likewise.
10665 * tree.h: Likewise.
10666 * unroll.c: Likewise.
10667 * varasm.c: Likewise.
10668 * varray.c: Likewise.
10669 * varray.h: Likewise.
10671 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10673 * reload.c: PROTO -> PARAMS.
10674 * reload.h: Likewise.
10675 * reload1.c: Likewise.
10676 * reorg.c: Likewise.
10677 * resource.h: Likewise.
10680 * rtlanal.c: Likewise.
10681 * sbitmap.h: Likewise.
10682 * sdbout.c: Likewise.
10683 * stack.h: Likewise.
10684 * stmt.c: Likewise.
10685 * system.h: Likewise.
10687 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10689 * machmode.h: PROTO -> PARAMS.
10690 * mbchar.h: Likewise.
10691 * mips-tdump.c: Likewise.
10692 * mips-tfile.c: Likewise.
10693 * optabs.c: Likewise.
10694 * output.h: Likewise.
10695 * prefix.c: Likewise.
10696 * profile.c: Likewise.
10697 * protoize.c: Likewise.
10698 * real.h: Likewise.
10699 * recog.c: Likewise.
10700 * recog.h: Likewise.
10701 * regclass.c: Likewise.
10702 * regmove.c: Likewise.
10703 * regs.h: Likewise.
10705 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10707 * ggc-common.c: PROTO -> PARAMS.
10708 * ggc-page.c: Likewise.
10709 * ggc-simple.c: Likewise.
10711 * global.c: Likewise.
10712 * graph.c: Likewise.
10713 * gthr-win32.h: Likewise.
10714 * haifa-sched.c: Likewise.
10715 * halfpic.h: Likewise.
10716 * integrate.c: Likewise.
10717 * integrate.h: Likewise.
10718 * jump.c: Likewise.
10720 * local-alloc.c: Likewise.
10721 * loop.c: Likewise.
10722 * loop.h: Likewise.
10724 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10726 * genattr.c: PROTO -> PARAMS.
10727 * genattrtab.c: Likewise.
10728 * gencheck.c: Likewise.
10729 * gencodes.c: Likewise.
10730 * genconfig.c: Likewise.
10731 * genemit.c: Likewise.
10732 * genextract.c: Likewise.
10733 * genflags.c: Likewise.
10734 * gengenrtl.c: Likewise.
10735 * genopinit.c: Likewise.
10736 * genoutput.c: Likewise.
10737 * genpeep.c: Likewise.
10738 * genrecog.c: Likewise.
10740 2000-01-16 Mark Mitchell <mark@codesourcery.com>
10742 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
10744 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10746 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
10747 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
10748 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
10749 * configure, config.in: Rebuilt.
10751 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
10753 * config/i386/i386.md: Add peephole to merge successive stack
10756 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
10758 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
10759 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
10760 when walking backwards to find all the parameter loads when
10761 the basic block ends in a call.
10763 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10765 * loop.c (this_loop_info): Delete.
10766 (uid_loop): Add in place of uid_loop_num. All uses updated.
10767 (loop_number_exit_count): Delete and replace with entry in loop
10768 structure. All uses updated.
10769 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10770 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10771 (loop_outer_loop): Likewise.
10772 (loop_invalid, loop_number_exit_labels): Likewise.
10773 (loop_used_count_register): Delete and replace with entry in
10774 loop_info structure.
10775 (find_and_verify_loops): Add loops argument.
10776 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
10777 loop_end, etc. arguments with loop structure pointer. All callers
10779 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
10780 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
10781 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
10782 (insert_bct): Likewise.
10783 (basic_induction_var): New argument level.
10784 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
10785 vtop, and cont. Add used_count_register.
10786 (uid_loop): Delete declaration.
10787 (loop_number_exit_count): Likewise.
10788 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10789 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10790 (loop_outer_loop, loop_used_count_register): Likewise.
10791 (loop_invalid, loop_number_exit_labels): Likewise.
10792 (unroll_loop): Replace loop_start and loop_end arguments
10793 with loop structure pointer.
10794 (loop_precondition_p, loop_iterations): Likewise.
10795 Include basic-block.h.
10796 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
10797 with loop structure pointer.
10798 (loop_precondition_p, loop_iterations): Likewise.
10799 * basic-block.h (struct loop): New entries vtop, cont,
10800 cont_dominator, start, end, top, scan_start, exit_labels,
10802 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
10804 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10806 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
10808 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
10810 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
10812 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10814 * pdp11-protos.h: New file.
10816 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
10819 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
10822 * pdp11.md: Likewise.
10824 * 2bsd.h: Likewise.
10826 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10828 * mn10300-protos.h: New file.
10830 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
10833 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
10836 * mn10300.md: Likewise.
10838 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10840 * mn10200-protos.h: New file.
10842 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
10845 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
10848 * mn10200.md: Likewise.
10850 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10852 * h8300-protos.h: New file.
10854 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
10857 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
10860 * h8300.md: Likewise.
10862 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10864 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
10865 (asm_emit_uninitialised): Likewise.
10867 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
10869 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
10870 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
10872 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10874 * config/mips/mips.c (override_options): Don't turn on extra
10875 alignment for mips16.
10877 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10879 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
10880 eabi, and make sure queued POSTINCREMENT rtl is emitted at
10883 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10885 * builtins.c (PAD_VARARGS_DOWN): Define.
10886 (std_expand_builtin_va_arg): Use the above macro.
10887 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
10888 * tm.texi (Register Arguments): Document the above macro.
10890 2000-01-14 Nick Clifton <nickc@cygnus.com>
10892 * emit-rtl.c (emit_insn): If checking is enabled, make sure
10893 that this function has not been used to emit a jump
10896 * jump.c (return_jump_1): Cope with being passed a null rtx.
10898 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10900 * eh-common.h: PROTO -> PARAMS.
10901 * emit-rtl.c: Likewise.
10902 * errors.c: Likewise.
10903 * errors.h: Likewise.
10904 * except.c: Likewise.
10905 * except.h: Likewise.
10906 * explow.c: Likewise.
10907 * expmed.c: Likewise.
10908 * expr.c: Likewise.
10909 * expr.h: Likewise.
10910 * final.c: Likewise.
10911 * fix-header.c: Likewise.
10912 * flow.c: Likewise.
10913 * fold-const.c: Likewise.
10914 * function.c: Likewise.
10915 * function.h: Likewise.
10917 * gcov-io.h: Likewise.
10918 * gcov.c: Likewise.
10919 * gcse.c: Likewise.
10921 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10923 * sh-protos.h: New file.
10925 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
10926 Add static prototypes. Fix compile time warnings.
10928 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
10932 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10934 * arc-protos.h: New file.
10936 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
10939 * arc.h: Move prototypes to arc-protos.h. Fix compile time
10942 * arc.md: Likewise.
10944 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10946 * dsp16xx-protos.h: New file.
10948 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
10951 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
10954 * dsp16xx.md: Likewise.
10956 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10958 * convex-protos.h: New file.
10960 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
10963 * convex.h: Move prototypes to convex-protos.h. Fix compile time
10966 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10968 * elxsi-protos.h: New file.
10970 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
10973 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
10976 * elxsi.md: Likewise.
10978 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10980 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
10981 case for moving from HI/LO/HI_LO_REG. This makes the behavior
10982 match the comment for MIPS16.
10984 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
10986 * flow.c (split_edge): Do not call set_block_for_insn if we
10987 do not have a basic_block_for_insn structure.
10989 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
10990 and destination functions are 32bit aligned within the trampoline.
10991 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
10992 (TRAMPOLINE_ALIGNMENT): Define.
10994 * cse.c (cse_insn): When changing (set (pc) (reg)) to
10995 (set (pc) (label_ref)), verify the change creates a valid insn.
10997 * fr30.c (call_operand): Tighten and rework to match rules for
10998 call RTL expressions.
10999 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
11000 * fr30.md (call patterns): Improve constraints.
11002 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
11004 * fr30.c (fr30_expand_epilogue): Revert last change.
11005 Use emit_jump_insn for the return insn.
11007 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
11008 Stan Cox <scox@cygnus.com>
11010 * predict.c: New file. Preliminary infrastructure work for static
11011 branch prediction and basic block reordering.
11012 * basic-block.h: Add prototype for estimate_probability.
11013 * Makefile.in: Add rules for predict.o.
11015 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
11017 * fixincludes (va_list): Use __not_va_list__ for the dummy.
11018 * fixinc/*: Likewise.
11020 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11022 * cccp.c: PROTO -> PARAMS.
11023 * cexp.y: Likewise.
11024 * collect2.c: Likewise.
11025 * combine.c: Likewise.
11026 * convert.h: Likewise.
11028 * dbxout.c: Likewise.
11029 * dbxout.h: Likewise.
11030 * diagnostic.c: Likewise.
11031 * doprint.c: Likewise.
11032 * dwarf2out.c: Likewise.
11033 * dwarf2out.h: Likewise.
11034 * dwarfout.c: Likewise.
11035 * dwarfout.h: Likewise.
11036 * dyn-string.h: Likewise.
11038 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11040 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
11041 macro conditionals guarding use.
11043 * dwarf2out.c: Include "tm_p.h".
11045 * function.c (locate_and_pad_parm): Mark parameter with
11047 (expand_function_end): Likewise for variable `context'.
11049 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
11051 2000-01-13 Nick Clifton <nickc@cygnus.com>
11053 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
11054 register to prevent compile time warnings.
11056 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
11058 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
11059 to avoid -Wtraditional warning.
11061 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11063 * 1750a-protos.h: New file.
11065 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
11068 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
11071 * 1750a.md: Likewise.
11073 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11075 * a29k-protos.h: New file.
11077 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
11080 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
11083 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11085 * clipper-protos.h: New file.
11087 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
11090 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
11093 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11095 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
11097 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
11099 * configure.in (--enable-new-gxx-abi): New option.
11100 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
11101 * Makefile.in (GXX_ABI_FLAG): New variable.
11102 * configure: Regenerate.
11104 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11106 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
11107 * tm.texi (FORCE_STRUCT_BLK): Document.
11108 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
11110 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
11112 * config/ns32k/ns32k.md: Revert Jan 9 change.
11114 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
11115 to a mode-test, if the predicate is address_operand.
11117 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
11119 * combine.c (if_then_else_cond): Be careful about what kinds
11120 of RTL expressions are passed to operand_subword.
11122 * flow.c (split_edge): If we have to insert a new jump, make
11123 sure to associate it with a basic block.
11125 * flow.c (commit_one_edge_insertion): A block with one successor
11126 can end in a JUMP_INSN that is not a simplejump.
11128 2000-01-12 Robert Lipe <robertl@sco.com>
11130 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
11131 (BUILD_VA_LIST_TYPE): Define.
11132 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
11135 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
11137 * cccp.c (do_pragma): Add cast to (char *).
11139 2000-01-12 Richard Henderson <rth@cygnus.com>
11140 Fred Fish <fnf@be.com>
11141 Jason Merrill <jason@cygnus.com>
11143 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
11144 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
11145 * i386/beos-elf.h, i386/beos-pe.h: New files.
11147 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
11148 * cross-make (SYSTEM_HEADER_DIR): Define using
11149 CROSS_SYSTEM_HEADER_DIR.
11151 * gcc.c (LIBRARY_PATH_ENV): Provide default.
11152 (process_command): Use it.
11153 (main): Likewise. Kill trailing = from env vars.
11154 (build_search_list): Put it back.
11155 * collect2.c (main): Use LIBRARY_PATH_ENV.
11157 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
11158 * toplev.c: Use NEED_DECLARATION_ENVIRON.
11160 * tm.texi (Frame Layout): Document SMALL_STACK.
11161 * c-common.c (c_common_nodes_and_builtins): Check it.
11163 * system.h: Undef alloca after including glibc's <stdlib.h>,
11164 if USE_C_ALLOCA is defined.
11166 * gcc.c (set_input): New fn.
11167 (main): After all input files are compiled, reset the input file
11170 * aclocal.m4 (rindex, index): If already defined, don't attempt
11173 * ginclude/varargs.h: (__va_list__): Define ifndef.
11174 * ginclude/stdarg.h: Likewise.
11176 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
11177 instead of unsigned char.
11179 * hash.h (true, false, boolean): Undef before enum.
11181 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
11182 proper type of "HOST_WIDE_INT *", rather than their natural type of
11183 "unsigned HOST_WIDE_INT *".
11185 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11187 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
11189 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
11191 * regclass.c (choose_hard_reg_mode): Likewise.
11193 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
11195 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
11197 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11199 * c-common.c: PROTO -> PARAMS.
11200 * c-common.h: Likewise.
11201 * c-decl.c: Likewise.
11202 * c-iterate.c: Likewise.
11203 * c-lang.c: Likewise.
11204 * c-lex.c: Likewise.
11205 * c-lex.h: Likewise.
11206 * c-parse.in: Likewise.
11207 * c-pragma.c: Likewise.
11208 * c-pragma.h: Likewise.
11209 * c-tree.h: Likewise.
11210 * c-typeck.c: Likewise.
11211 * objc/objc-act.c: Likewise.
11212 * objc/objc-act.h: Likewise.
11214 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11216 * m88k-protos.h: New file.
11218 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
11221 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
11223 * m88k.md: Likewise.
11225 * tekXD88.h: Likewise.
11227 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11229 * m68k-protos.h: New file.
11231 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
11234 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
11236 * mot3300.h: Likewise.
11238 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
11240 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
11242 (extract_bitlist): Declare bitlen.
11244 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
11246 * cccp.c: Accept and ignore -lang-fortran.
11248 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
11249 qualifiers don't match at any level of pointerness.
11251 2000-01-12 Robert Lipe <robertl@sco.com>
11253 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
11255 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
11257 * reload1.c (reload_reg_unavailable): New static variable.
11258 (reload_reg_free_p): Test it.
11259 (reload_reg_free_for_value_p): Test it instead of
11261 (choose_reload_regs_init): Compute it.
11263 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
11265 * reorg.c (fill_slots_from_thread): Check modified_in_p
11268 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
11270 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
11271 these nodes even if INTERNALS is not set.
11273 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
11275 * gcse.c (delete_null_pointer_checks_1): Cope when
11276 get_condition cannot determine the condition.
11278 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
11280 * toplev.h (set_message_length): Declare.
11282 * diagnostic.c (obstack_chunk_alloc): Define macro.
11283 (obstack_chunk_free): Likewise.
11284 (struct output_buffer): New data structure.
11285 (vmessage): Remove.
11286 (output_maximum_width): New variable.
11287 (doing_line_wrapping, set_message_length, init_output_buffer,
11288 get_output_prefix, output_space_left, emit_output_prefix,
11289 output_newline, output_append, output_puts, dump_output,
11290 vbuild_message_string, build_message_string, build_location_prefix,
11291 voutput_notice, output_printf, line_wrapper_printf,
11292 vline_wrapper_message_with_location): New functions. Implement
11293 automatic line wrapping.
11294 (v_message_with_decl): Make it handle automatic line wrapping.
11295 (v_error_with_file_and_line): Likewise.
11296 (v_warning_with_file_and_line): Likewise.
11297 (announce_function): Likewise.
11298 (default_print_error_function): Likewise.
11300 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
11302 * cpplib.h (struct cpp_options): Change lang_asm to char.
11304 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
11305 done in cpp_handle_option now.
11306 (initialize_builtins): Take out special case code used only by
11308 (cpp_handle_option): Turn off trigraphs and trigraph warnings
11309 if -traditional. Recognize -lang-fortran and set
11310 lang_fortran, also turn off cplusplus_comments.
11311 (print_help): Document -lang-fortran.
11312 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
11313 lang_asm. Ignore all directives other than `# 123 "file"' if
11315 (cpp_get_token): If -traditional, don't recognize directives
11316 unless the # is in column 1.
11317 (parse_string): If lang_fortran or lang_asm, silently
11318 terminate strings ('' or "") at end of line.
11319 Remove unnecessary braces.
11321 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11322 Richard Henderson <rth@cygnus.com>
11324 * resource.c (mark_referenced_resources): Mark a set strict_low_part
11326 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
11327 strict_low_part when possible.
11329 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11331 * alias.c: PROTO -> PARAMS.
11332 * basic-block.h: Likewise.
11333 * bitmap.c: Likewise.
11334 * bitmap.h: Likewise.
11335 * builtins.c: Likewise.
11336 * c-aux-info.c: Likewise.
11337 * caller-save.c: Likewise.
11338 * calls.c: Likewise.
11340 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11342 * Makefile.in (toplev.o): Depend on regs.h.
11344 * output.h (tdesc_section): Prototype.
11346 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
11348 * sdbout.c: Include "tm_p.h".
11350 * toplev.c: Include "regs.h".
11352 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
11354 * unroll.c (unroll_loop): Add EH support.
11356 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11358 * pa-protos.h: New file.
11360 * pa.c: Include recog.h and tm_p.h.
11361 (compute_zdepwi_operands, compute_movstrsi_length,
11362 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
11363 find_addr_reg, import_milli): Add static prototypes.
11364 (pa_cpu_string, pa_arch_string): Constify a char*.
11365 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
11366 (read_only_operand): Add argument `mode'.
11367 (singlemove_string, output_move_double, output_fp_move_double,
11368 output_block_move, output_and, output_ior, output_ascii,
11369 remove_useless_addtr_insns, milli_names, output_mul_insn,
11370 output_div_insn, output_mod_insn, output_arg_descriptor,
11371 output_cbranch, output_bb, output_bvb, output_dbra, ,
11372 output_millicode_call, output_call, hppa_encode_label,
11373 output_parallel_movb, output_parallel_addb): Constify a char*.
11374 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
11375 (output_parallel_addb): Remove extra arg to `constrain_operands'
11377 * pa.h: Move all prototypes to pa-protos.h.
11378 (pa_cpu_string, pa_arch_string): Constify a char*.
11379 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
11381 * pa.md: Call `function_label_operand' with mode argument.
11382 Likewise for `read_only_operand'.
11383 Fix nesting of parens in call to `symbolic_operand'.
11385 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11387 * i860-protos.h: New file.
11389 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
11392 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
11394 * i860.md: Likewise.
11396 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
11398 * i386.md (movstrsi expander): Rewrite.
11399 (movstrsi_1 insn): Deleted.
11400 (strmovhi, strmovqi expander): New expanders.
11401 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
11402 * i386.c (x86_single_stringop): New global variable.
11403 * i386.h (x86_single_stringop): Declare.
11404 (TARGET_SINGLE_STRINGOP): New macro.
11406 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11408 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
11409 integer vararg POSTINCREMENT before the destination of the jump
11410 for the hard fp case.
11411 (function_arg_pass_by_reference): Pass a copy of CUM to
11414 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
11415 for CONSTANT_ADDRESS_P above while loop for subreg.
11417 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11419 * flow.c (propagate_block): When a prologue/epilogue insn
11420 is marked dead, unconditionally clear libcall_is_dead and
11421 insn_is_dead, and only dump rtl if warnings aren't being
11424 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
11426 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
11427 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
11428 (FIXED_REGISTERS): Set dirflag as fixed.
11429 (CALL_USED_REGISTERS): Set dirflag as used.
11430 (REG_ALLOC_ORDER): Set dirflag as last one.
11431 (DIRFLAG_REG): New macro.
11432 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
11433 (HI_REGISTER_NAMES): Add dirflag.
11434 (DEBUF_PRINT_REG): Handle dirflag.
11435 * i386.md (type attribute): New cld and str types.
11436 (length_opcode attribute): Set cld and str to 1.
11437 (memory attribute): Set str to unknown - it is not clear from the
11439 (pent_np function unit): Prefixed string operations takes 12 cycles
11440 minimally; cld takes 2 cycles.
11441 (ppro_uops attribute): Str is "many" and cld is "few".
11442 (ppro_p0 unit): Handle cld here.
11443 (k6_alux unit): Handle cld and str types.
11444 (k6_load unit): It is ocupied by str opcodes.
11445 (k6_store unit): It is ocupied by str opcodes.
11446 (athlon_decode): Str is vector decoded.
11447 (athlon_ieu): Handle str and cld.
11448 (cld pattern): New.
11449 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
11450 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
11451 cmpstrsi_nz_1 insn): Do not output cld instruction
11453 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
11455 * gcc.texi (G++ and GCC): Add Java and Chill.
11456 (Bug Critera): Don't list languages.
11458 * gcc.texi (Incompatibilities): No longer claim most C compilers
11461 * gcc.texi (G++ and GCC): Update other front-ends list.
11463 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
11465 * i386.c (ix86_expand_setcc): Fix typo.
11466 (ix86_expand_movcc): Similarly.
11468 * Band-aid until haifa's bitset implementation is nuked.
11469 * haifa-sched.c (extract_bitlst): New parameter for size of the
11470 bitset in bits. All callers changed. Avoid looking at undefined
11471 bits in the bitset.
11472 (edgeset_bitsize): New variable.
11473 (schedule_region): Initialize edgeset_bitsize.
11475 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11477 * Makefile.in (optabs.o): Depend on real.h
11478 (resource.o): Depend on insn-attr.h
11480 * builtins.c (result_vector): Wrap prototype in macro conditions
11481 governing definition and use.
11483 * c-common.c: Include tm_p.h.
11485 * c-lex.c: Likewise.
11487 * elfos.h: Constify a char*.
11489 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
11490 (get_attr_length, shorten_branches, profile_after_prologue): Mark
11491 parameter with ATTRIBUTE_UNUSED.
11493 * fold-const.c (exact_real_inverse): Wrap variable `i' in
11496 * haifa-sched.c (schedule_insns): Mark parameter with
11499 * optabs.c: Include real.h.
11501 * real.h (ereal_atof): Add prototype arguments.
11503 * resource.c: Include insn-attr.h.
11505 * sdbout.c (sdbout_queue_anonymous_type,
11506 sdbout_dequeue_anonymous_types): Wrap in macro
11507 SDB_ALLOW_FORWARD_REFERENCES.
11508 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
11511 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
11513 * stupid.c: Include tm_p.h.
11515 * tree.c (real_value_from_int_cst): Mark parameter with
11518 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11520 * i960-protos.h: New file.
11522 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
11525 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
11527 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11529 * combine.c (expand_field_assignment): Do not discard SUBREGs
11530 while computing nonzero_bits.
11532 2000-01-09 Nick Clifton <nickc@cygnus.com>
11534 * config/arm/arm.c: Fix compile time warnings about signed vs
11535 unsigned constants.
11536 * config/arm/arm.h: Fix compile time warnings about signed vs
11537 unsigned constants.
11539 2000-01-09 Philip Blundell <philb@gnu.org>
11541 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
11542 than `ldm' with only one register.
11543 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
11546 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
11549 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
11551 * config/ns32k/ns32k.md (load or push effective address): Operand 1
11554 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11556 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
11557 assignment used as truth value.
11559 * function.c (assign_temp): Mark parameter `dont_promote' with
11560 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
11561 PROMOTE_FOR_CALL_ONLY.
11563 * genrecog.c (write_subroutine): Mark variable `operands' with
11566 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
11569 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
11570 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
11572 * toplev.c (note_deferral_of_defined_inline_function): Likewise
11575 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11577 * config/c4x.h: Tidy up comments.
11578 * config/c4x.c: Likewise.
11580 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
11582 * fold-const.c (lshift_double, rshift_double): Handle
11583 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
11585 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11587 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
11588 in prepare_function_start().
11590 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
11592 * config/v850/v850.c (expand_epilogue): Interrupt functions no
11593 longer allocate extra stack for function calls.
11595 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11597 * config/c4x/c4x.md (*subqf3_set): Fix typo.
11599 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11601 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
11603 2000-01-07 David Edelsohn <edelsohn@gnu.org>
11605 * rs6000.c (processor_target_table): Add power3 as alias for 630.
11606 * aix43.h: Revert Aug 2 change.
11607 (HAS_INIT_SECTION): Define, not visible yet.
11608 (LD_INIT_SWITCH): Define, not visible yet.
11609 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
11611 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
11613 * collect2.c (main): Expand ld2 size further.
11614 (export_object_lst): Cast assignment to avoid warning.
11615 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
11616 (scan_prog_file, COFF): Do not collect initialization or
11617 finalization functions generated for entire shared object if
11618 init/fini support present.
11620 2000-01-07 Nick Clifton <nickc@cygnus.com>
11622 * config/elfos.h: Tidy up formatting of marcos. Make sure
11623 that .section directives are always prefixed by a tab.
11625 * config/svr4.h: Add #include "elfos.h" and remove duplicate
11628 2000-01-07 Matt Austern <austern@sgi.com>
11630 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
11633 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
11635 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
11637 (crtbegin.o, s-crtS): Likewise.
11639 2000-01-06 Richard Henderson <rth@cygnus.com>
11641 * alpha.md (adddi_2+1): Limit offset such that it will be
11642 loadable with a single ldah+lda pair.
11643 (adddi_2+2): Explicitly fail split if we can't make it work.
11645 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
11647 * protoize.c: Conditionally include unistd.h.
11648 (IS_SAME_PATH_CHAR): New macro.
11649 (IS_SAME_PATH): New macro.
11650 (CPLUS_FILE_SUFFIX): New macro.
11651 (cplus_suffix): New static variable.
11652 (is_abspath): New static function.
11653 (in_system_include_dir): Handle DOS style pathnames.
11654 (file_could_be_converted): Likewise.
11655 (file_normally_convertible): Likewise.
11656 (directory_specified_p): Likewise.
11657 (file_excluded_p): Likewise.
11658 (abspath): Likewise.
11659 (shortpath): Likewise.
11660 (referenced_file_is_newer): Likewise.
11661 (save_def_or_dec): Likewise.
11662 (do_processing): Likewise.
11664 (edit_file): Likewise. Use rename instead of link.
11665 (rename_c_file): Likewise. Don't rename syscalls file.
11666 (munge_compile_params): Define null device for DOS based systems.
11667 (process_aux_info_file): Use binary mode if appliable.
11668 (edit_file): Likewise.
11669 * invoke.texi (Running Protoize): Document C++ suffixes used.
11671 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
11672 IS_DIR_SEPARATOR macros.
11673 * collect2.c: Likewise.
11674 * cppinit.c: Likewise.
11675 * dwarf2out.c: Likewise.
11677 * gcov.c: Likewise.
11678 * prefix.c: Likewise.
11680 * toplev.c: Likewise.
11681 * system.h: And move to here.
11683 * prefix.c (update_path): Fix typo in variable name.
11685 2000-01-06 Richard Henderson <rth@cygnus.com>
11687 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
11688 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
11689 (count_reg_sets_1, count_reg_references): Likewise.
11690 (flow_loops_level_compute): Start counting actual loop depth at 1.
11691 (flow_loops_find): Likewise.
11692 * local-alloc.c (update_equiv_regs): Likewise.
11693 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
11695 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11697 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
11698 FIRST_PSEUDO_REGISTER
11699 * dwarf2out.c: Don't include frame.h
11700 * dwarfout.c: Likewise
11701 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
11704 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
11706 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
11709 * i386.c (movsf splitter): Fix typo in my last checkin.
11711 2000-01-05 Nick Clifton <nickc@cygnus.com>
11713 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
11714 own definition of this macro.
11715 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
11716 flag_data_sections or UNIQUE_SECTION_P are true.
11718 * tm.texi (UNIQUE_SECTION): Document that it can be called for
11719 unitialised data decls.
11721 * config/i386/winnt.c (i386_pe_unique_section): Cope with
11722 being called for uninitialised data.
11724 * config/i386/interix.c (i386_pe_unique_section): Cope with
11725 being called for uninitialised data.
11727 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
11728 for uninitialised data.
11730 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
11731 for uninitialised data.
11733 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
11734 for uninitialised data.
11736 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
11737 (UNIQUE_SECTION_P): Always generate a unique section if
11738 flag_data_sections is true.
11739 (UNIQUE_SECTION): Also generate unique sections for
11740 uninitialised data.
11741 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
11742 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
11745 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11747 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
11750 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11752 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
11753 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
11754 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
11755 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
11756 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
11758 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
11760 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
11762 * c-decl.c (finish_enum): Simplify code to determine minimum and
11763 maximum values of the enum, and calculate the type. Remove check
11764 for FUNCTION_DECLs in the values list, which cannot happen. Replace
11765 the DECL_INITIAL of each enumeration constant with a copy converted
11766 to the enumeration type. When updating variant types, don't bother
11767 updating the type itself.
11769 * c-typeck.c (build_binary_op): Simplify conditional expressions
11770 when weeding out spurious signed-unsigned warnings. Add new
11771 spurious warning category: if the unsigned quantity is an enum
11772 and its maximum value fits in signed_type(result_type). Update
11774 (build_conditional_expr): Warn here if one alternative is signed
11775 and the other is unsigned.
11777 2000-01-05 Nick Clifton <nickc@cygnus.com>
11779 * config/fr30/fr30.h: Remove extraneous comments.
11781 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
11783 * reload1.c (choose_reload_regs): When disabling a reload, also
11784 set reload_spill_index to -1.
11786 2000-01-04 Joel Sherrill (joel@OARcorp.com>
11788 * configure.in (m68*-*-rtemscoff*): New target, formal name for
11790 (m68*-*-rtemself*): New target.
11791 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
11792 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
11793 (sparc*-*-rtemself*): New target.
11794 (sparc*-*-rtems*): Now elf not a.out.
11795 * config/i386/rtems.h: Include config/rtems.h.
11796 * config/i386/rtemself.h: Include config/rtems.h.
11797 * config/i960/rtems.h: Include config/rtems.h.
11798 * config/m68k/rtems.h: Include config/rtems.h.
11799 * config/m68k/rtemself.h: Include config/rtems.h.
11800 * config/mips/rtems64.h: Include config/rtems.h.
11801 * config/pa/rtems.h: Include config/rtems.h.
11802 * config/rs6000/rtems.h: Include config/rtems.h.
11803 * config/sh/rtems.h: Include config/rtems.h.
11804 * config/sh/rtemself.h: Include config/rtems.h.
11805 * config/sparc/rtems.h: Include config/rtems.h.
11806 * config/sparc/rtemself.h: Include config/rtems.h
11808 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
11810 * final.c (shorten_branches): Correctly compute length of
11811 asms without operands.
11813 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
11815 * configure.in: Add pj target.
11816 * configure: Regenerate.
11817 * config/pj: New directory.
11818 * config/pj/lib1funcs.S: New file.
11819 * config/pj/linux.h: New file.
11820 * config/pj/pj.c: New file.
11821 * config/pj/pj.md: New file.
11822 * config/pj/pjl.h: New file.
11823 * config/pj/t-pj: New file.
11824 * config/pj/xm-pj.h: New file
11826 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
11828 * toplev.c (rest_of_compilation): Run shorten-branches before
11831 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11833 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
11834 macros so that they're consistent with their names.
11835 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11836 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11838 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11840 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
11841 modified inadvertently.
11843 2000-01-04 Joel Sherrill <joel@OARcorp.com>
11845 * configure.in (v850*-*-rtems*): New target.
11846 * configure: Regenerate.
11847 * config/v850/rtems.h: New file.
11849 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
11851 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
11852 (__gthread_key_create): Likewise.
11853 (__gthread_key_dtor): Likewise.
11854 (__gthread_once): Fix logic.
11855 (__gthread_key_delete): Cast away constness.
11857 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
11858 * invoke.texi: Document.
11859 * i386/mingw32.h (CPP_SPEC): Use.
11860 (LIBGCC_SPEC): Likewise.
11861 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
11863 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11865 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
11866 (HANDLE_PRAGMA_PACK): Undefine.
11867 (SLOW_UNALIGNED_ACCESS): Define.
11869 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11871 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11872 to default definition.
11873 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
11874 (store_fixed_bit_field): Call macro with word_mode and alignment.
11875 (extract_bit_field): Call macro with relevant mode and alignment.
11876 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11877 to default definition.
11878 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
11880 (move_by_pieces_ninsns): Likewise.
11881 (clear_by_pieces): Likewise.
11882 (emit_push_insn): Likewise.
11883 (store_field): Call macro with relevant mode and alignment.
11884 (expand_expr): Likewise.
11885 (expand_expr_unaligned): Likewise.
11887 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
11888 (SLOW_UNALIGNED_ACCESS): Define.
11889 (CASE_VECTOR_MODE): Always use 32-bit offsets.
11890 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
11891 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
11892 (toc_section): Likewise and .toc pseudo-op.
11893 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
11895 (TEXT_SECTION_ASM_OP): Likewise.
11896 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
11899 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
11900 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
11901 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
11902 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
11903 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
11905 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
11907 * regclass.c: Revert my Jan 4 change to loop cost computation.
11909 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11911 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
11914 2000-01-04 Stan Cox <scox@cygnus.com>
11916 * haifa-sched.c (build_control_flow): Change unreachable simple
11917 loop test to check if current block has only one predecessor.
11918 (find_rgns): Initialize degree. Use dest as degree index, not src.
11920 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11922 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
11924 * calls.c (expand_call): Likewise for
11925 `old_stack_arg_under_construction'.
11927 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
11929 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
11932 * gcc.c (execute): Likewise for `ut' and `st'.
11934 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
11936 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
11938 * jump.c (jump_optimize_1): Likewise for `temp2'.
11940 * local-alloc.c (block_alloc): Likewise for `r1'.
11942 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
11944 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
11945 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
11947 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
11950 * reload.c (find_reloads): Likewise for `goal_alternative_number'
11951 and `goal_earlyclobber'.
11953 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
11955 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
11957 * stupid.c (stupid_life_analysis): Likewise for `chain'.
11959 * unroll.c (copy_loop_body): Likewise for `copy'.
11961 * varasm.c (output_constructor): Likewise for `byte'.
11963 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11965 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
11966 all FP constants for constant->reg moves.
11967 (ix86_split_to_parts): Try to convert memory address into immediate
11968 when available in the constant pool.
11969 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
11971 (LEGITIMATE_CONSTANT_P): Return 1.
11972 * i386.md (pushsf): New splitter to convert constant pool memory
11973 reference to immediate.
11974 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
11977 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
11979 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
11980 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
11981 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
11982 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
11983 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
11985 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
11987 * ginclude/stdbool.h: Support compilation as C++.
11989 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11991 * fold-const.c (make_range): Don't try to reverse an unbounded range.
11993 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
11995 * regclass.c (regclass): Properly compute loop_cost. Adjust
11998 * regclass.c: Fix minor whitespace problems.
12000 2000-01-03 Anthony Green <green@cygnus.com>
12002 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
12003 Restore the pic register if required.
12005 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
12007 * c-common.c (format_char_info): Update comment.
12008 (check_format_info): Recognize 'z' modifier in the same way 'Z'
12009 was recognized. Emit warning for formats new in ISO C99 only
12010 if flag_isoc9x is not set.
12012 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
12014 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
12016 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12018 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
12019 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
12020 (make_compound_operation): Choose cheaper alternative between
12021 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
12023 * regclass.c (op_costs): Remove global variable.
12024 (record_reg_classes): New parameter "op_costs" and "reg_pref".
12025 (record_operand_costs): Break out from ...
12026 (scan_one_insn): ... here.
12027 (dump_regclass): Make dumps nicer.
12028 (regclass): Dump preferrences choosed and changes done during passes.
12030 2000-01-03 Jakub Jelinek <jakub@redhat.com>
12032 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
12034 2000-01-03 Jakub Jelinek <jakub@redhat.com>
12036 * config/sparc/sparc.c (gen_df_reg): New function.
12037 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
12038 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
12039 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
12040 movtf_cc_reg_sp64+1): Use it.
12042 2000-01-02 Mark Mitchell <mark@codesourcery.com>
12044 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
12045 copied LABEL_DECLs.
12047 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
12049 * config/i386/i386.c (ix86_expand_unary_operator): Function
12050 definition made void.
12051 (ix86_expand_binary_operator): Update outdated preceding comment.
12052 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
12055 * config/i386/i386.c (override_options): Fix option-name typo.
12057 2000-01-02 Mark Mitchell <mark@codesourcery.com>
12059 * system.h (CEIL): Define.
12060 * builtins.c (CEIL): Remove.
12061 * expmed.c (CEIL): Likewise.
12062 * expr.c (CEIL): Likewise.
12063 * stor-layout.c (CEIL): Likewise.
12065 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12067 * expr.c (store_constructor_field): Fix typo introduced with last
12070 2000-01-01 Mark Mitchell <mark@codesourcery.com>
12072 * tree.h (BINFO_N_BASETYPES): New macro.
12074 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
12076 * expmed.c (emit_store_flag): Prevent losing a pending stack
12077 adjust the same way we prevent losing queued increments.
12079 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12081 * function.c (update_temp_slot_address): Handle case where sum of
12082 temporary address plus offset in register is a valid address.
12084 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12086 * genrecog.c (change_state) Corrected typo.
12088 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12090 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
12091 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
12092 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
12094 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
12096 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
12097 case, expand GT comparisons correctly. Fix a comment before this
12100 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
12102 * dwarfout.c: Include "frame.h"
12103 * dwarf2out.c: Likewise.
12104 * Makefile.in (dwarfout.o): Depend on frame.h
12105 (dwarf2out.o): Likewise.
12107 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
12109 Restore i386 binary compatibility in Dwarf EH info.
12110 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
12111 value of FIRST_PSEUDO_REGISTER.
12112 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
12113 (struct frame_state): Use DWARF_FRAME_REGISTERS.
12114 * dwarfout.c (output_reg_number): Ditto.
12115 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
12116 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
12118 1999-12-29 Bruce Korb <autogen@linuxbox.com>
12120 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
12121 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
12122 (<hack>_RE_CT): not needed
12123 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
12124 rewritten to scan the file text once only
12125 "template<..." test added
12126 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
12127 (is_cxx_header): declaration added
12128 * fixinc/fixtests.c(is_cxx_header): removed
12129 (apply_fix_p_t): removed
12130 (double_slash_test): is_cxx_header is only called once now
12131 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
12132 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
12133 within the templates.
12134 The borken spelling of "broken" was fixed.
12135 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
12136 The default level depends on FIXINC_DEBUG.
12138 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12140 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
12141 Otherwise provide a declaration for atexit.
12142 (init_dummy): Make sure dummy call to atexit is nevertheless
12143 called with correct number of args.
12145 * frame.c: Update comments referring to other files.
12147 * libgcc2.c: Likewise.
12149 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12151 * cse.c (free_element, get_element): Remove unused prototypes.
12153 * fold-const.c (extract_muldiv): Initialize variables `op0' and
12156 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
12159 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
12161 * configure.in,configure: case arm for mn10200-*-* now sets
12162 float_format=i32 so that float.h will correctly claim "double"
12163 to be 32 bits. Ran autoconf to generate configure from .in file.
12165 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
12167 * pa.md (conditional zero): If op1 is a register, force it into
12168 the same register as op0.
12170 1999-12-28 Mark Mitchell <mark@codesourcery.com>
12172 * tree.h (BINFO_BASETYPES): Improve documentation.
12174 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12176 * configure.in (--enable-checking): Use a more portable `for'
12179 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12181 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
12182 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
12184 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
12187 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
12188 Delete descriptions.
12190 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
12191 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
12192 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
12193 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
12194 xm-svr4.h: Remove all instances of sys_siglist handling.
12196 1999-12-27 Jakub Jelinek <jakub@redhat.com>
12198 * config/sparc/sparc.md (cmp_zero_qi,
12199 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
12200 cmp_zero_extendqidi2_andcc_set): New patterns.
12202 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
12204 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
12205 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
12206 (fpgnulib.c, xfgnulib.c): Add rules.
12207 * m68k/t-mot3300-gas: Likewise.
12209 1999-12-27 Ian Lance Taylor <ian@zembu.com>
12211 * configure.in: Avoid [[ by using test and changequote. Add
12212 changequote required by 1999-12-14 change.
12213 * configure: Rebuild.
12215 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
12217 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
12219 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
12221 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
12222 * flow.c (find_use_as_address): Likewise.
12223 * function.c (fixup_var_refs_1): Likewise.
12224 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
12225 * jump.c (invert_exp, redirect_exp): Likewise.
12226 * loop.c (replace_call_address): Likewise.
12227 (count_nonfixed_reads): Likewise.
12228 * rtlanal.c (modified_between_p): Likewise.
12229 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
12230 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
12231 * unroll.c (remap_split_bivs): Likewise.
12233 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12235 * diagnostic.c (v_message_with_decl): Use .* format specifier
12236 instead of building the format specifier width manually.
12238 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
12239 determining whether to provide a prototype. Remove the
12240 sys_siglist clause in the conditional.
12242 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12244 * fold-const.c (operand_equal_p): Use memcmp to compare string
12246 Suggested by D. J. Bernstein
12248 1999-12-17 Jakub Jelinek <jakub@redhat.com>
12250 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
12251 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
12253 * config/mips/mips.h (TARGET_64BIT): Likewise.
12254 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
12255 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
12256 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
12257 dsps. Give routines proper names if SI/DI modes are not used.
12258 * longlong.h: Use DWunion instead of DIunion.
12260 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
12262 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
12263 GC_CHECKING, GC_ALWAYS_COLLECT.
12264 * configure.in: Allow --enable-checking with an argument
12265 listing check modes to enable.
12266 * config.in, configure: Rebuilt.
12267 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
12268 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
12269 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
12270 ENABLE_GC_ALWAYS_COLLECT.
12271 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
12273 * tree.h, tree.c: Change ENABLE_CHECKING to
12274 ENABLE_TREE_CHECKING throughout.
12276 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12278 * fold-const.c (fold_truthop): Properly check for FP RHS.
12280 1999-12-24 Mark Mitchell <mark@codesourcery.com>
12282 * toplev.h (note_deferall_of_defined_inline_function): Declare.
12283 * toplev.c (note_deferral_of_defined_inline_function): New
12284 function, split out from ...
12285 (rest_of_compilation): ... here. Use it.
12287 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12289 * expr.c (store_constructor): Don't call clear_storage if size is
12292 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12294 * Makefile.in (toplev.o): Depend on loop.h.
12296 * dwarfout.c: Include tm_p.h.
12298 * emit-rtl.c (restore_emit_status): Mark parameter with
12301 * final.c (final_scan_insn): Likewise.
12303 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
12304 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
12305 flow_depth_first_order_compute, flow_loop_pre_header_find,
12306 flow_loop_tree_node_add, flow_loops_tree_build,
12307 flow_loop_level_compute, flow_loops_level_compute,
12308 flow_loop_outside_edge_p): Add prototypes.
12309 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
12311 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
12312 Mark with ATTRIBUTE_NORETURN.
12314 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
12316 * local-alloc.c (no_conflict_p): Likewise.
12318 * loop.c (insert_bct): Hide definitions of variables with hidden
12320 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
12322 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
12323 with ATTRIBUTE_UNUSED.
12324 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
12325 (reg_scan): Likewise.
12327 * reload.c (find_reloads): Remove unused variables `changed'.
12329 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
12331 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
12332 Remove unused variable `insn'.
12334 * toplev.c: Include loop.h.
12335 (report_file_and_line): Remove unnecessary prototype.
12337 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
12339 * unroll.c (biv_total_increment): Likewise.
12341 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12343 * reload1.c (emit_input_reload_insns): Restore old behaviour
12344 wrt. 'special' reloads.
12346 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
12348 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
12349 hash.h. (cse.c): Don't depend on hashtab.h.
12351 * cse.c: Don't include hashtab.h.
12352 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
12354 * ggc-simple.c: Don't include hash.h.
12356 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
12358 * dwarf2out.c (add_abstract_origin_attribute): Call
12359 gen_abstract_function on our function context.
12361 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
12363 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
12365 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12367 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
12370 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12372 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
12373 constraints to "a!r".
12375 1999-12-21 Mark Mitchell <mark@codesourcery.com>
12377 * Makefile.in (calls.o): Depend on function.h.
12378 (alias.o): Likewise.
12380 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
12382 * reload1.c (emit_reload_insns): Break out code and variables into...
12383 (input_reload_insns, other_input_address_reload_insns,
12384 other_input_reload_insns, input_address_reload_insns,
12385 inpaddr_address_reload_insns, output_reload_insns,
12386 output_address_reload_insns, outaddr_address_reload_insns,
12387 operand_reload_insns, other_operand_reload_insns,
12388 other_output_reload_insns): ... new static variables, and...
12389 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
12390 do_output_reload): ... new functions.
12392 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12394 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
12396 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12398 * md.texi: Add c4x constraints documentation.
12400 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12402 * config/i386/dgux.c (struct option): Rename to
12403 lang_independent_option.
12404 (struct m_options): Add description field.
12405 (output_options): Rename option type, add sep declaration, output
12406 ix86_cpu_string and ix86_arch_string only if set.
12407 (output_file_start): Rename option type.
12409 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
12411 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
12413 (libgcc2.a): Similarly.
12415 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
12417 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
12418 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
12419 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
12421 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
12423 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
12424 Remove redundant initialization of "frexpon" and "expon".
12426 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12428 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
12430 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
12431 (store_constructor_field, expand_expr): Pass new arg.
12433 1999-12-20 Mark Mitchell <mark@codesourcery.com>
12435 * Makefile.in (explow.o): Depend on function.h.
12437 * stor-layout.c (set_sizetype): Fix typo.
12439 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
12441 * function.c (cfun): Renamed from current_function. All users
12443 * function.h (cfun): Rename declaration as well.
12445 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
12446 to be of type regset_head, not regset. All users changed by adding
12448 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
12450 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12452 * config/c4x/rtems.h: New file.
12454 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
12456 * reload1.c (spill_failure): Take class of failed reload as argument
12457 and print it. Caller changed.
12459 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12461 * rs6000.h (SUBTARGET_DEFAULT): New macro.
12462 (TARGET_SWITCHES): Allow subtargets to default switches.
12463 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
12465 1999-12-18 Mark Mitchell <mark@codesourcery.com>
12467 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
12470 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
12472 * cccp.c (main): Define __STDC_VERSION__ as necessary.
12473 * cppinit.c (cpp_handle_option): Likewise.
12475 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
12476 determine when to define.
12478 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
12480 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
12481 cmove with mismatched test and data modes.
12483 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
12485 * c-typeck.c (c_expand_start_case): Don't warn for long switch
12488 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12490 * alias.c: Minor reformatting.
12491 * flow.c: Likewise.
12492 * regs.h: Likewise.
12493 * stor-layout.c: Likewise.
12494 * fold-const.c: Likewise.
12495 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
12496 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
12498 (size_int_wide): Cache nodes even if garbage collecting.
12499 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
12500 of SAVE_EXPR has no side effects.
12501 * cse.c: Move a comment.
12502 * tree.c: Minor reformatting.
12503 (int_size_in_bytes): Return -1 if constant overflows.
12505 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12507 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
12509 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
12511 * objc/objc-parse.c: Regenerate. This file must be rebuilt
12512 after any change to c-parse.in, even if objc-parse.y didn't
12515 1999-12-18 David S. Miller <davem@redhat.com>
12517 * toplev.c (rest_of_compilation): Restore BLOCK tree
12518 reconstruction and branch shortening changes lost in
12519 December 18th change.
12521 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
12523 * config/arm/linux-elf.h: Change all instances of
12524 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
12525 * config/arm/uclinux-elf.h: Likewise.
12527 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
12529 * toplev.c (notice, vmessage, v_message_with_file_and_line,
12530 v_message_with_decl, file_and_line_for_asm,
12531 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
12532 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
12533 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
12534 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
12535 pfatal_with_name, fatal_io_error, need_error_newline,
12536 last_error_function, last_error_tick, announce_function,
12537 default_print_error_function, print_error_function,
12538 report_error_function, fnotice, error_with_file_and_line,
12539 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
12540 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
12541 warning_with_decl, warning_for_asm, warning, pedwarn,
12542 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
12544 (compile_file): Use fnotice instead of notice. Adjust call.
12546 * diagnostic.c: New file.
12548 * Makefile.in (OBJS): Include diagnostic.o
12549 (diagnostic.o): Define dependence.
12551 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12553 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
12556 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12558 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
12560 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
12562 * fixtests.c (is_cxx_header): New fn, split out of
12564 (else_endif_label): Allow "#endif // comment" in C++ headers,
12565 as determined by is_cxx_header.
12566 * fixfixes.c (else_endif_label_fix): Update comment.
12567 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
12569 * genfixes: Correct double thinko in commandline parsing.
12570 * hackshell.tpl: Generate correct sh syntax for bypass
12573 * inclhack.def (all): Whenever an inserted preprocessor
12574 conditional is split over multiple lines, use double
12575 backslashes in this file so the fixed header will be readable.
12577 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
12578 and add bypass entry for correct version of this header.
12579 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
12580 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
12582 (hpux8_bogus_inlines): New fix, split from...
12583 (ultrix_atof_param) ... here.
12584 (math_expression): Add bypass entry keyed to glibc comment
12585 indicating the problem has been dealt with; disable
12586 unnecessary sed operations; update commentary.
12587 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
12588 add select and bypass entries, simplify shell operation.
12589 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
12591 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
12592 ultrix_atof_param): Add select entry.
12593 (stdio_va_list, sunos_mather_decl): Add bypass entry.
12594 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
12595 comments with the fixes they describe.
12597 * c-parse.in (string action): Do not warn about ANSI string
12598 concatenation in system headers. Affects C parser only.
12599 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
12601 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12603 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
12604 compiling libgcc2 the macro depends always on arch cpp defines.
12606 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
12608 * loop.c (insert_loop_mem): Don't record MEMs from inside
12611 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
12613 * regclass.c (regclass): Do not use flowgraph when not optimizing.
12615 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
12616 notes too, create one when replacement failed, attempt to simplify
12618 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
12619 or REG_EQUIV notes.
12621 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12623 * crtstuff.c (__dso_handle): Declare.
12624 (__cxa_finalize): Likewise.
12625 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
12628 * invoke.texi: Document -fuse-cxa-atexit.
12630 * tree.h (ptr_type_node): Document.
12631 (const_ptr_type_node): Likewise.
12633 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12635 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
12636 (optimize_reg_copy_2): Likewise.
12637 (optimize_reg_copy_3): Likewise.
12638 (fixup_match_2): Likewise.
12639 (regmove_optimize): Likewise.
12640 (fixup_match_1): Liekwise.
12642 * i386.md (HI to SImode promoting splitters): Rewrite.
12643 (pushsf mem peep2): New.
12644 (testhi to andhi peep2): Remove.
12645 * i386.h (x86_promote_QImode): New.
12646 (TARGET_PROMOTE_QImode): New.
12647 (PREDICATE_CODES): Add promotable_binary_operator.
12648 * i386.c (x86_promote_QImode0: New.
12649 (promotable_binary_operator): New.
12650 * i386-protos.h (promotable_binary_operator): New.
12652 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
12654 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
12656 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12658 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
12659 * function.c (insert_block_after_note): Remove.
12660 (retrofit_block): Likewise.
12661 (identify_blocks): Fix indentation.
12662 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
12663 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
12664 * function.h (insert_block_after_note): Remove prototype.
12665 (retrofit_block): Likewise.
12666 * integrate.c (expand_inline_function): Don't call
12667 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
12668 just expand_start_bindings. Use the block_map to remap old
12669 NOTE_BLOCKs to new ones.
12670 (integrate_decl_tree): Keep track of remapped blocks.
12671 * integrate.h (struct inline_remap): Add block_map.
12672 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
12673 NOTE_BLOCK on the notes.
12674 (expand_start_bindings): Rename to ...
12675 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
12676 (expand_end_bindings): Set NOTE_BLOCK.
12677 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
12678 reconstruct the BLOCK tree.
12679 * tree.h (expand_start_bindings): Macroize. Call ...
12680 (expand_start_bindings_and_block): New function.
12682 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12684 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
12685 to match the format.
12687 1999-12-16 David S. Miller <davem@redhat.com>
12689 * expr.c (emit_move_insn_1): Only emit clobbers if one of
12690 the outputs is a SUBREG.
12691 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
12694 * config/sparc/sparc.c (epilogue_renumber): Add default case
12697 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12699 * toplev.c (rest_of_compilation): Run branch shortening after
12702 * regclass.c (loop_depth): Remove
12703 (scan_one_insn): Do not handle LOOP_NOTE insns.
12704 (regclass): Go through basic blocks and set loop_cost
12706 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
12708 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
12710 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12712 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
12713 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
12714 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
12716 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
12718 * loop.c (insert_loop_mem): Ignore memory clobbers.
12720 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
12723 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
12725 * profile.c: Remove redundant #include "output.h".
12727 * h8300.md (HImode preinc peephole): Fix typo.
12729 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12731 * function.c (retrofit_block): Abort if we don't find a suitable insn.
12732 (insert_block_after_note): Abort if we don't have a previous block.
12733 Remove FN parameter.
12734 * function.h: Adjust.
12736 1999-12-15 Mark Mitchell <mark@codesourcery.com>
12738 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
12739 argument more than once.
12741 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12743 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
12745 1999-12-15 Jakub Jelinek <jakub@redhat.com>
12747 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
12749 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12751 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
12752 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
12753 update stack_alignment_needed.
12754 (prepare_function_start): Initialize stack_alignment_needed
12755 * function.h (struct function): Add field stack_alignment_needed.
12757 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12759 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
12760 Handle live_throughout / dead_or_set instead of live_before /
12762 (save_call_clobbered_regs): Get register livenessinformation from
12763 chain->live_throughout.
12764 (add_stored_regs): New function.
12765 (insert_restore, insert_save): Add restored / saved registers to
12767 * global.c (reg_dies): New parameter chain.
12768 (reg_becomes_live): Third parameter is regs_set now.
12769 Changed all callers.
12770 (reg_dies): New parameter chain. Changed all callers.
12771 (build_insn_chain): Set live_throughout instead of
12772 live_before / live_after.
12773 * reload.h (struct insn_chain): Replace members live_before /
12774 live_after with live_throughout / dead_or_set.
12775 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
12776 instead of live_before / live_after.
12777 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
12778 (order_regs_for_reload, find_reg, finish_spills): Likewise.
12779 (choose_reload_regs_init): Likewise.
12780 * stupid.c (current_chain, find_clobbered_regs): Delete.
12781 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
12782 instead of chain->live_before / chain->live_after.
12783 (mark_hard_ref): New function.
12784 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
12786 1999-12-15 David S. Miller <davem@redhat.com>
12788 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
12790 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12792 * flow.c (calculate_loop_depth): Make global, remove prototype,
12793 rewrite to use new loop infrastructure.
12794 (find_basic_block): Remove calculate_loop_depth call.
12795 * toplev.c (rest_of_compilation): Call find_basic_block.
12796 * output.h (calculate_loop_depth): Declare.
12798 * flow.c (dump_flow_info): Dump loop_depth.
12799 (flow_loops_nodes_find): Increase loop_depth for basic block in the
12801 (flow_loops_find): Initialize the loop_depth for each basic block.
12803 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12805 * tree.c (decl_function_context): Handle virtual functions.
12807 * tlink.c (scan_linker_output): Don't look in demangled name when
12808 looking for linker output keywords.
12810 * dwarfout.c (output_type): We can defer namespace-scope classes.
12812 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
12814 * regclass.c (record_reg_classes): Update comment for merging
12815 register class preferences in reg->reg copies. Tighten conditions
12816 for merging register class preferences in reg->reg copies.
12818 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
12820 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
12822 1999-12-14 Geoff Keating <geoffk@cygnus.com>
12824 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
12825 (INIT_SECTION_ASM_OP): Delete.
12826 (FINI_SECTION_ASM_OP): Delete.
12827 (STARTFILE_SPEC): Define to hold just crtbegin.o.
12829 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
12831 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
12832 the abstract origin wasn't emitted.
12834 * dwarf2out.c (class_scope_p): New fn.
12835 (gen_subprogram_die): Use it.
12836 (gen_variable_die): Use it. Tweak logic.
12837 (gen_struct_or_union_type_die): Check context_die to determine
12838 if we're function-local.
12839 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
12841 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12843 * loop.c (check_dbra_loop): Can't reverse a biv that has
12844 maybe_multiple set.
12846 1999-12-14 Nick Clifton <nickc@cygnus.com>
12848 * config/arm/arm.c: Add support for -mcpu=arm720 command line
12851 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12853 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
12854 for givs made from biv increments.
12856 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
12858 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
12859 * alpha.c (override_options): Recognize -mcpu=ev67.
12860 * alpha.h (CPP_CPU_EV67_SPEC): New.
12861 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
12862 (EXTRA_SPECS): Update.
12864 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
12866 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
12867 appropriate for -lang-c89 and -std=*.
12868 * cppinit.c (cpp_handle_option): Likewise.
12869 (new_pending_define): New, split out from cpp_handle_option.
12870 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
12871 or enable trigraphs for -ansi/-std=*.
12873 * ginclude/stdarg.h (__va_copy): New.
12874 (va_copy): Don't define for C89.
12876 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
12878 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
12879 for long long multiply-accumulate.
12881 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12883 * regclass.c (scan_one_insn): Set loop_cost to 1 when
12884 optimizing for size.
12886 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12888 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
12889 if something changed. Back out that part of yesterday's changes.
12891 * loop.c (loop_max_reg): New static variable.
12892 (loop_optimize): Initialize it. Eliminate one unnecessary call to
12894 (scan_loop): Call reg_scan_update whenever we may have added new
12895 registers, and update loop_max_reg.
12897 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12899 * regclass.c (record_reg_classes): Do not do the copying preferrencing
12900 when source does not die.
12902 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
12904 1999-12-14 Jakub Jelinek <jakub@redhat.com>
12906 * config/sparc/linux64.h (TARGET_LIVE_G0,
12907 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
12909 * config/sparc/linux.h (TARGET_LIVE_G0,
12910 TARGET_BROKEN_SAVERESTORE): Likewise.
12911 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12912 TARGET_BROKEN_SAVERESTORE): Likewise.
12914 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
12915 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
12917 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
12918 as sparc64 block profiling register.
12919 * config/sparc/sparc.c (sparc_override_options): Allow block
12920 profiling with -m32.
12921 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
12922 profiling register.
12923 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
12924 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
12925 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
12927 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
12929 * config/sparc/sparc.h: Likewise.
12930 * config/sparc/xm-sysv4-64.h: Likewise.
12931 * config/float-sparc.h: Likewise.
12932 * glimits.h: Likewise.
12933 * longlong.h: Likewise.
12935 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
12936 (ASM_IDENTIFY_GCC): Remove.
12938 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12940 * combine.c (combine_simplify_rtx): Don't make shared rtl.
12941 (simplify_logical): Likewise.
12943 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12945 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
12946 * cppfiles.c (INO_T_EQ): Likewise.
12948 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12950 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
12951 * i386/mingw32.h (LIB_SPEC): Likewise.
12952 (STARTFILE_SPEC): Likewise.
12953 * i386/uwin.h (LIB_SPEC): Likewise.
12954 (STARTFILE_SPEC): Likewise.
12956 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
12957 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
12959 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
12961 * combine.c (combine_simplify_rtx): Fix order of checks for
12962 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
12964 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
12966 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
12967 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
12969 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12971 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
12973 * regclass.c (inv_reg_alloc_order): New array.
12974 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
12976 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
12977 counted_for_groups, counted_for_nongroups. Add fields rld and
12979 * reload.c (push_secondary_reload): Don't set nongroup field of
12981 (push_reload): Likewise.
12982 (find_reloads): Delete code to compute nongroup fields.
12983 * reload1.c (reload_insn_firstobj): New static variable.
12984 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
12986 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
12987 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
12988 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
12990 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
12992 (struct hard_reg_n_uses): Deleted.
12993 (potential_reload_regs): Deleted.
12994 (init_reload): Initialize spilled_pseudos and pseudos_counted.
12995 (reload): Don't try to allocate reload registers if we already know
12996 we have to make another pass. Call select_reload_regs. Free memory
12997 starting with reload_firstobj when starting another pass.
12998 Don't allocate spilled_pseudos.
12999 (calculate_needs_all_insns): Call copy_reloads for an insn that
13000 needs reloads; don't call calculate_needs.
13001 (spill_cost): New static array.
13002 (used_spill_regs_local): New static variable.
13003 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
13004 to compute potential_reload_regs.
13005 (find_reload_regs): Completely rewritten to use find_reg.
13006 (allocate_reload_reg): Don't test counted_for_groups or
13007 counted_for_nongroups. Lose NOERROR arg and code to give an error;
13008 all cllers changed.
13009 (choose_reload_regs): Add fallback code that uses the existing
13010 register allocation from find_reload_regs.
13012 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
13014 * flow.c (create_edge_list): Cast xmalloc return value.
13016 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
13018 * doprnt.c: Remove incorrect comment closure.
13020 * cse.c: Fix a few minor whitespace goofs.
13022 1999-12-13 Don Bowman <don@pixstream.com>
13024 * mips/vxworks.h: Fix problem with comment termination.
13025 (EXTRA_SECTIONS): Add in_sbss.
13026 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
13028 1999-12-12 David S. Miller <davem@redhat.com>
13030 * cse.c (struct cse_reg_info): Add hash_next member,
13031 reorder rest of struct for better packing on 64-bit
13033 (cse_reg_info_tree): Kill.
13034 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
13035 REGHASH_FN): New custom pow2 hash mechanism.
13037 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
13038 use a pow2 hash table.
13039 (get_cse_reg_info): Rework to use new REGHASH.
13040 (new_basic_block): Likewise, use HASH_SIZE, and inline
13042 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
13043 and inline free_element call.
13044 (lookup_as_function, insert, flush_hash_table, invalidate,
13045 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
13046 invalidate_for_call, use_related_value, find_comparison_args,
13047 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
13048 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
13049 get_element): Kill.
13051 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
13053 * cse.c (cse_basic_block): Free qty_table consistently.
13055 1999-12-12 David S. Miller <davem@redhat.com>
13056 Jakub Jelinek <jakub@redhat.com>
13058 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
13059 SUBREGs by hand, gen the appropriate hard reg directly.
13060 (movtf reg/mem split): Likewise and alter_subreg on destination
13062 (movtf mem/reg split): Similarly.
13063 (movdf_cc_sp64): Rename from hidden pattern.
13064 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
13065 (movtf_cc_sp64, following split): New pattern and splitter.
13066 (movdf_cc_reg_sp64): Rename from hidden pattern.
13067 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
13069 (movtf_cc_reg_sp64, following split): New pattern and splitter.
13071 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
13073 * loop.c (load_mems): Don't hoist written floating point mem
13076 1999-12-12 Mark Mitchell <mark@codesourcery.com>
13078 * except.h (struct eh_queue): Add `next' pointer.
13079 (struct eh_status): Make x_ehqueue a pointer.
13080 (push_ehqueue): Declare.
13081 (pop_ehqueue): Likewise.
13082 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
13084 (expand_fixup_region_end): Likewise.
13085 (expand_leftover_cleanups): Likewise.
13086 (push_ehqueue): Define.
13087 (pop_ehqueue): Likewise.
13088 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
13089 than doing it inline.
13090 (expand_start_all_catch): Adjust now that ehqueue is a
13092 (mark_eh_queue): Mark all level of the queue.
13093 (mark_eh_status): Adjust now that ehqueue is a
13095 (init_eh_for_function): Allocate ehqueue.
13096 (free_eh_status): Free it.
13097 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
13098 expansion for a fixup.
13100 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13102 * gthr-single.h (__gthread_active_p): Add prototype arguments.
13104 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
13105 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
13106 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
13107 function_ptr, getpagesize, __enable_execute_stack,
13108 __enable_execute_stack, __clear_insn_cache,
13109 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
13110 _cleanup, _exit, __default_terminate, __terminate_func,
13111 __terminate, __empty, __throw, new_eh_context,
13112 eh_context_initialize, eh_context_static, eh_context_specific,
13113 get_eh_context, __get_eh_context, __get_eh_info,
13114 init_reg_size_table, eh_threads_initialize,
13115 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
13116 __unwinding_cleanup, throw_helper, __throw, __rethrow,
13117 __pure_virtual): Add prototype arguments.
13118 (__bb_exit_func): Cast a sizeof to long when comparing against one.
13119 Cast a signed value to unsigned long when comparing against one.
13120 (new_eh_context): Wrap in _GTHREADS macro.
13121 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
13123 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
13124 (throw_helper): Initialize variables `handler_p' and `pc_p'.
13126 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13128 * combine.c (record_promoted_value): Remove unused variable
13131 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
13133 * global.c (record_conflicts): Likewise for `j'.
13135 * genoutput.c (output_insn_data): Don't unnecessarily cast away
13138 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13140 * i386-protos.h (output_387_binary_op, output_fix_trunc,
13141 output_fp_compare): Constify a char*.
13143 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
13145 (override_options, ix86_comp_type_attributes, print_operand,
13146 output_387_binary_op, output_fix_trunc, output_fp_compare):
13148 (ix86_sched_reorder): Mark parameter `clock_var' with
13151 * i386.h (DEBUG_PRINT_REG): Constify a char*.
13153 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
13155 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
13156 operand, for use in the Java front-end.
13158 1999-12-10 Ben Collins <bcollins@debian.org>
13160 * configure.in: Fix typo for "-64" in 64bit as check.
13161 * configure: Rebuilt.
13163 1999-12-10 Jakub Jelinek <jakub@redhat.com>
13165 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
13168 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13170 * c-parse.in (string): With -Wtraditional, warn if ANSI string
13171 concatenation is utilized.
13173 * invoke.texi (-Wtraditional): Document it.
13175 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13177 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
13178 Cast a ptrdiff_t to long and pass it to printf with %ld.
13180 1999-12-10 Geoff Keating <geoffk@cygnus.com>
13182 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
13183 68881, we have no 68881 registers at all.
13184 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
13185 value in a 68881 register if it is available.
13187 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
13189 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
13190 for long long multiply-accumulate.
13192 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
13194 * loop.c (insert_loop_mem): Undo last change.
13196 1999-12-10 David S. Miller <davem@redhat.com>
13198 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
13200 * config/sparc/sparc-protos.h: Add them.
13201 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
13202 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
13203 constraints which use those helpers.
13204 (EXTRA_CONSTRAINT): Use this new macro.
13205 * md.texi: Update sparc target constraints documentation.
13206 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
13207 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
13208 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
13209 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
13210 (movsf high/lo_sum split): Rework for new patterns.
13211 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
13213 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
13215 * c-common.c (c_common_nodes_and_builtins):
13216 Create __builtin_ptrdiff_t and __builtin_size_t.
13218 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
13220 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
13222 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13224 * regclass.c (globalize_reg): Re-instate test that allows
13225 fixed registers to be declared as a variable even after functions
13228 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13230 * i386.md (cpu attribute): Add "athlon".
13231 (athlon_decode): New attribute.
13232 (Athlon scheduling units definitions): New.
13233 (fcmp and shld patterns): Set athlon_decode to "vector".
13234 * i386.c (athlon_cost): New.
13236 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
13237 x86_use_sahf): Set for Athlon.
13238 (x86_use_fiop): Unset for Athlon.
13239 (override_options): Define Athlon alignments and "athlon" name.
13240 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
13241 * i386.h (TARGET_ATHLON): New.
13242 (enum processor_type): Add PROCESSOR_ATHLON.
13243 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
13245 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
13247 1999-12-09 Andreas Jaeger <aj@suse.de>
13249 * loop.c (record_biv): Declare parameter as int.
13251 * config/i386/i386-protos.h: Declare long_memory_operand.
13253 1999-12-09 Mark Mitchell <mark@codesourcery.com>
13255 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
13256 EXPR_WITH_FILE_LOCATION.
13258 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13260 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
13263 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
13265 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
13268 1999-12-09 Jakub Jelinek <jakub@redhat.com>
13270 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
13271 default on linux64 again.
13272 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
13273 models for multilibing.
13274 * genmultilib: Accept | as alternative separator within a set in
13277 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
13279 * calls.c (precompute_arguments): Make sure initial_value contains
13280 value pseudo which CSE expects.
13281 * cse.c (struct set): New entry orig_src.
13282 (cse_insn): Set it early on entry, use it for libcall EQUIV note
13285 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
13287 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
13289 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
13291 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
13293 1999-12-08 Jakub Jelinek <jakub@redhat.com>
13295 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
13296 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
13298 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
13301 * longlong.h: Merge in changes from glibc.
13302 Also don't clobber %g2 register in 32bit SPARC assembly, so that
13303 -mno-app-regs libgcc can be compiled.
13304 * libgcc2.c: Add defines so that the updated longlong.h
13305 can be used in libgcc2.a. Also, make sure on most architectures
13306 (at least on all which have optimized code in longlong.h defined
13307 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
13309 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13311 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
13312 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
13313 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
13315 * configure: Rebuilt.
13317 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
13319 * alpha.c (secondary_reload_class): For !BWX, sub-simode
13320 outputs require a register.
13322 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
13324 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
13325 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
13326 functions like dptoul will be resolved.
13327 (libgcc2.a): Make sure that the object files from DPBIT are named
13328 differently (prefix `_dp') from those that would be coming from
13331 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
13333 * configure.in: When target is sparc* and tm_file contains 64,
13334 test for 64bit support in assembler. If not supported, remove
13335 sparc/t-sol2-64 from target-dependent Makefile fragments.
13336 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
13337 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
13338 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
13339 * acconfig.h (AS_SPARC64_FLAG): Added.
13340 * configure, config.in: Rebuilt.
13341 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
13342 support. Use AS_SPARC64_FLAG.
13344 1999-12-07 Jakub Jelinek <jakub@redhat.com>
13346 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
13347 suitable for holding OFmode values so that gcc works with complex
13349 (hard_64bit_mode_classes): Likewise.
13351 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
13352 so that it is actually matched.
13353 (sethi_di_medlow): Likewise.
13355 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
13356 as legitimate constant if -mvis.
13357 * config/sparc/sparc.md (movtf): Likewise.
13358 (clear_sf): Use const_double_operand.
13359 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
13361 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
13362 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
13363 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
13364 routines, _Qp_* cannot be handled like that now.
13365 (INIT_TARGET_OPTABS): Likewise.
13366 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
13367 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
13368 sparc_emit_float_lib_cmp if ARCH64 and soft float.
13369 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
13370 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
13371 divtf3, sqrttf3): New expanders.
13372 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
13373 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
13374 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
13377 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
13378 * configure: Rebuilt.
13379 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
13380 -mcpu is given and we're doing 64bit compiles.
13382 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
13384 * loop.h (struct induction): Add multi_insn_incr.
13385 * loop.c (basic_induction_var): New multi_insn_incr argument.
13386 Set it if we search back through previous insns for the biv.
13387 (record_biv): New multi_insn_incr argument; fill in struct induction.
13388 (strength_reduce): Discard an iv with multiple bivs, any of
13389 which require multiple insns to increment.
13391 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13393 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
13396 1999-12-06 David S. Miller <davem@redhat.com>
13398 * combine.c (check_promoted_subreg): Do not conditionalize this upon
13399 PROMOTE_FUNCTION_RETURN.
13401 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
13403 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
13404 and handle REG_UNUSED note on insn.
13406 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
13407 inner_mask instead of mask.
13409 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
13411 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
13412 zero if there was an error.
13414 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13416 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
13419 * longlong.h: Fix clobbers in SPARC asm statements.
13421 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
13422 valid sethi operations when TARGET_ARCH64.
13424 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
13425 always use move_by_pieces to avoid infinite recursion.
13426 (restore_fixed_argument_area): Likewise.
13428 * combine.c (check_promoted_subreg, record_promoted_value): New
13430 (combine_instructions): Use them to retain nonzero and sign bit
13431 information after SUBREGs are eliminated by optimizations in
13432 this pass if PROMOTE_FUNCTION_RETURN.
13434 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
13435 .register declaration. Don't use variables with __ prefixes.
13437 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13439 * fold-const.c (optimize_bit_field_compare): Only use one mode
13440 for both RHS and LHS in non-constant case.
13442 1999-12-06 Nathan Sidwell <nathan@acm.org>
13444 * frame.c (start_fde_sort): Only allocate erratic array, if
13445 linear one was allocated. Return allocated flag.
13446 (fde_insert): Only insert, if there's a valid array.
13447 (fde_end_sort): Split, sort and merge if linear and erratic
13448 arrays exist, else just sort linear one.
13449 (search_fdes): New function. Linear search through original fde
13451 (frame_init): Permit multiple initializations. Cope with
13453 (find_fde): Fallback on linear search, if failed to sort array.
13454 (__deregister_frame_info): Only free sorted array, if we
13457 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13459 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
13461 1999-12-05 Jakub Jelinek <jakub@redhat.com>
13463 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
13465 1999-12-05 Mark Mitchell <mark@codesourcery.com>
13467 * tree.h (special_function_p): Declare.
13468 * calls.c (special_function_p): Make it global. Don't take `name'
13469 as a parameter. Fix typo in 1999-11-28 change.
13470 (expand_cal): Adjust.
13472 1999-12-04 Mark Mitchell <mark@codesourcery.com>
13474 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
13475 * tree.h (EXPR_WFL_FILENAME): Define in terms of
13476 EXPR_WFL_FILENAME_NODE.
13477 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
13479 * print-tree.c (print_note): Print TREE_PRIVATE and
13482 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
13483 the original die cannot be found.
13485 * varray.h (varray_head_tag): Add elements_used.
13486 (VARRAY_PUSH): New macro.
13487 (VARRAY_POP): Likewise.
13488 (VARRAY_TOP): Likewise.
13489 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
13491 * varray.c (varray_init): Initialize elements_used.
13492 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
13493 (INTEGRATE_H): New variable.
13494 (integrate.o): Depend on INTEGRATE_H.
13495 (unroll.o): Likewise.
13497 * function.h (insert_block_after_note): Declare.
13498 * function.c (insert_block_after_note): Split out from ...
13499 (retrofit_block): ... here.
13501 * stmt.c (expand_fixup): Fix typo in comment.
13503 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13505 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
13506 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
13507 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
13508 (regmove_optimize, fixup_match_1): Likewise.
13510 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13512 * flow.c (flow_loops_dump): Add missing argument when calling
13513 flow_loop_nested_p.
13515 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
13516 Greg McGary <gkm@gnu.org>
13518 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
13519 (init_attributes): Add A_NO_LIMIT_STACK.
13520 (decl_attributes): Handle A_NO_LIMIT_STACK.
13521 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
13522 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
13523 Handle stack bounds checking.
13524 * flags.h (flag_stack_check): Use the word 'probe' rather than
13525 'check', because the flag doesn't actually cause any checking to
13527 * function.c (expand_function_start): Set
13528 current_function_limit_stack.
13529 * function.h (struct function): Add limit_stack.
13530 (current_function_limit_stack): Define.
13531 * invoke.texi (Code Gen Options): Document new options.
13532 * rtl.h: Declare stack_limit_rtx.
13533 * toplev.c (stack_limit_rtx): New variable.
13534 (decode_f_option): Handle new options -fstack-limit-register=REG,
13535 -fstack-limit-symbol=IDENT, -fno-stack-limit.
13536 (main): Add stack_limit_rtx as GC root.
13537 * tree.h (DECL_NO_LIMIT_STACK): New macro.
13538 (struct tree_decl): New member no_limit_stack.
13540 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
13542 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
13543 (conditional_trap+1): Get new mnemonic correct.
13544 (conditional_trap+2): New pattern for DImode traps.
13546 * config/m68k/m68k.c (output_function_prologue): Handle
13548 * config/m68k/m68k.md (trap): New insn.
13549 (conditional_trap): New insn.
13550 * md.texi (Standard Names): Document `trap' and
13551 `conditional_trap'.
13552 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
13553 so a cc0 setter doesn't get emitted at some random place in the
13556 * config/i960/i960.md (trap): New insn.
13557 (conditional_trap): New expander.
13558 (conditional_trap+1, conditional_trap+2): New insns for signed
13559 and unsigned cases.
13560 * config/i960/i960.c (i960_function_prologue): Use
13561 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
13563 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
13564 Geoffrey Keating <geoffk@cygnus.com>
13566 * flags.h (warn_padded, warn_packed): Add global var decls.
13567 * toplev.c (warn_padded, warn_packed): Add global var defns.
13568 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
13569 * stor-layout.c (layout_record): Add local variable `type'
13570 to hold often-used TREE_TYPE (field). Add local variable
13571 `unpacked_align' to hold alignment that would be in force
13572 if no `packed' attribute were present. Warn if `packed' attribute
13573 is unnecessary, or even harmful. Warn when gcc inserts padding
13574 to satisfy alignment requirements of members. Use NULL_TREE
13575 when checking whether var_size is set.
13576 * invoke.texi: Document new flags.
13578 1999-12-03 Nathan Sidwell <nathan@acm.org>
13580 * frame.c (fde_split): Reimplement to avoid variable sized array.
13582 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13584 * combine.c (try_combine): Before fixing up LOG_LINKS for the
13585 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
13587 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
13589 * invoke.texi: Document the mips option -mno-crt0
13591 1999-12-02 Mike Karr <mkarr@mathworks.com>
13593 * cccp.c (argdata): Added free_ptr member.
13594 (macroexpand): Initialize free_ptr of each argument. When an
13595 argument's buffers are freed, if the argument's free_ptr corresponds
13596 to a buffer on the input stack, then return the free_ptr to that stack
13597 frame, otherwise, free it.
13598 (macarg): If an argument begins and ends on the same input stack level,
13599 then transfer the free_ptr of that buffer to the argument in case
13600 the stack is popped during the processing of a subsequent argument.
13602 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
13604 * loop.c (note_reg_stored): New function.
13605 (struct note_reg_stored_arg): New structure.
13606 (try_copy_prop): Change to be more conservative; only replace within
13607 one extended basic block and stop replacing if a store to the
13608 replacement reg is seen.
13610 1999-12-02 Nick Clifton <nickc@cygnus.com>
13612 * config/fp-bit.c: Initialise all fields of the NAN
13615 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
13618 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
13620 * i386.md (extend?f?f2): Force the input into a register, not
13623 1999-12-01 Jakub Jelinek <jakub@redhat.com>
13625 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
13627 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
13628 alternative because setting up 64bit constant is usually costly,
13629 especially when reload is in progress or completed.
13630 (movdf_const_intreg_sp64): Likewise.
13631 (movdf_const_intreg split): Fix building up constants when
13632 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
13634 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
13636 * combine.c (if_then_else_cond): Use const_true_rtx instead of
13637 const1_rtx for return values in EQ/NE comparison against (const_int 0)
13640 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
13641 (asm_file_start): Emit .am33 into assembly file when compiling for
13643 (print_operand_address): Handle POST_INC addresses.
13644 (can_use_return_insn, initial_offset): Check AM33 registers too.
13645 (expand_prologue): Check & save AM33 registers too.
13646 (expand_epilogue): Similarly.
13647 (secondary_reload_class): Handle AM33 specific secondary reloads.
13648 (output_tst): Emit efficient code for the AM33 too.
13649 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
13650 (TARGET_SWITCHES): Add -mam33 switch.
13651 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
13652 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
13653 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
13654 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
13655 (enum reg_class, REG_CLASS_NAMES): Likewise.
13656 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
13657 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
13658 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
13659 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
13660 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
13661 (HAVE_POST_INCREMENT): Define.
13662 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
13663 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
13664 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
13665 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
13666 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
13667 (zero_extend to SI from QI/HI): Likewise.
13668 (sign_extend to SI from QI/HI): Likewise.
13669 (mulsidi3, umulsidi3): New patterns for the AM33.
13670 (tstsi with zero extension from QI/HI): Add AM33 variants.
13671 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
13672 (return_internal_regs, store_movm): Handle new AM33 registers.
13673 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
13674 (LIBGCC, INSTALL_LIBGCC): Likewise.
13675 * invoke.texi: Document new flags.
13677 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13679 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
13680 (addsi3_carry): Likewise.
13681 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
13682 (sbbsi3_carry): Likewise.
13683 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
13684 (mulhi3): Likewise.
13685 (test?i_1): Ensure that only one operand is memory.
13686 (conditional move patterns): likewise.
13687 (shift and rotate patterns): Rewrite to expander, add
13688 "binary_operator_ok" to the condition.
13690 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
13691 * i386.h (procesor_costs): Add movzbl_load field.
13692 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
13693 non-Q registers, accept DImode registers anywhere.
13695 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
13696 * i386.c (*_cost): Set value for movxbl_load field.
13698 * (addsi): New add to lea splitter.
13699 (ashlsi): Likewise.
13700 (lea to add/shift peep2): New.
13702 1999-12-01 Mark Salter <msalter@cygnus.com>
13704 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
13705 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
13706 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
13708 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13710 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
13711 * i386.md (movsi_xor): New.
13713 (movsi_1, movhi_1, movqi_1): Remove.
13714 (movsi_2): Rename to movsi_1.
13715 (movhi_2): Rename to movhi_1.
13716 (movqi_2): Rename to movqi_1.
13717 (movdi_1): Remove; remove splitter.
13718 (movdi_2): Rename to movdi_1.
13719 (divmodsi4 splitter): Do not emit clobbers for move patterns.
13720 (long move peep2): Do not create QI or HI mode mov0s
13721 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
13723 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
13726 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
13727 (abs?f2_if): Likewise.
13729 1999-11-30 Alex Samuel <samuel@codesourcery.com>
13731 * ggc.h (ggc_test_and_set_mark): New macro.
13732 (ggc_mark_rtx): Use ggc_test_and_set_mark.
13733 (ggc_mark_tree): Likewise.
13734 (ggc_mark_rtvec): Likewise.
13735 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
13737 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
13739 * dwarf2out.c (scope_die_for): Only handle types. Only search for
13741 (decl_scope_table): Just an array of trees now.
13742 (push_decl_scope): Simplify.
13743 (dwarf2out_init): Adjust.
13744 (local_scope_p): New fn.
13745 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
13746 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
13747 (gen_typedef_die): Likewise.
13748 (gen_lexical_block_die): Don't call push/pop_decl_scope.
13749 (gen_inlined_subroutine_die): Likewise.
13750 (gen_abstract_function): Set current_function_decl temporarily.
13751 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
13752 Handle block extern declarations. Don't call push/pop_decl_scope.
13753 (gen_decl_die): Fix logic for block externs.
13755 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13757 * calls.c (special_function_p): Remove `realloc' and add `strdup'
13758 to the list of functions which have attribute malloc by default.
13760 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13762 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
13763 integer constant does not match the traditional type, limit the
13764 warnings to cases where the base of the type is ten.
13766 * invoke.texi (-Wtraditional): Document it.
13768 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13770 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
13771 * rs6000.md: Only access a CONST_INT with INTVAL
13773 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
13775 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
13776 (compute_nearerout): Likewise.
13777 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
13778 size_t to unsigned long for formatting.
13780 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13782 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
13783 Allow the user to override call-used/fixed state of %g2-5
13784 registers from the command line (with the exception of %g4 for
13786 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
13787 there is a higher chance of having a leaf function.
13788 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
13789 for ARCH64 which has %ccr register.
13790 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
13792 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
13793 insn accept into delay slot any insn which does not use %[ol]
13794 registers. Accept some LO_SUM and shift left by 1 for the normal
13796 (output_function_epilogue): Likewise.
13797 (epilogue_renumber): Added argument which inhibits any renumbering
13798 and just tests if the rtx does not use any %[ol] registers.
13799 (output_return): Reflect above change.
13801 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13803 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
13804 aggregate passing for sizes <= 16 bytes.
13806 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
13808 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
13809 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
13810 * reload.c (find_dummy_reload): Likewise.
13811 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
13812 * reload1.c (reload_as_needed): Likewise.
13813 * stupid.c (stupid_find_reg): Likewise.
13814 * tm.texi (Obsolete Register Macros): Delete section.
13815 * gmicro.h: Remove all traces of the two macros.
13816 * i386.h: Likewise.
13817 * m88k.h: Likewise.
13818 * mips.h: Likewise.
13820 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
13822 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
13823 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
13824 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
13825 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
13826 units for the sparclite86x chip.
13827 (flush): Revert October 14th change; add SImode specifically.
13828 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
13829 * invoke.texi: Document it.
13831 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
13833 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
13834 psimode_truncation_operand.
13836 * config/mn10200/mn10200.c (psimode_truncation_operand): New
13837 function. Return true if the operand is either a MEM valid
13838 for a PSImode address or not a MEM at all.
13840 * config/mn10200/mn10200.md (truncsipsi2): Use
13841 psimode_truncation_operand.
13843 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13845 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
13846 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
13847 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
13848 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
13849 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
13850 (flow_loop_level_compute, low_loops_level_compute): Likewise.
13851 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
13852 * basic-block.h: Protect from multiple inclusion.
13853 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
13854 (struct loops, struct loop): Define structures.
13855 * sbitmap.c (sbitmap_a_subset_b_p): New function.
13856 * sbitmap.h: Protect from multiple inclusion.
13857 (sbitmap_a_subset_b_p): Add prototype.
13858 * Makefile.in (LOOP_H): New macro.
13859 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
13861 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
13863 * cppinit.c (CAT): The argument list of this macro may not contain
13866 1999-11-29 David S. Miller <davem@redhat.com>
13868 Move quantity tables and register equivalence chains into
13869 per-qty and per-register structure arrays respectively.
13870 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
13871 qty_const_insn, qty_comparison_code, qty_comparison_const,
13872 qty_comparison_qty): Delete, replace with...
13873 (qty_table): this structure table.
13874 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
13875 (reg_eqv_table): this structure table.
13876 (make_new_qty): Add argument MODE. Caller updated.
13877 Update to use qty_table and reg_eqv_table.
13878 (make_regs_eqv, delete_reg_equiv, insert_regs,
13879 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
13880 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
13881 cse_process_notes, cse_main, cse_basic_block): Likewise.
13883 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13885 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
13886 operation if C is negative.
13887 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
13888 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
13889 law for some divisions if constant is negative and change other
13890 divisions to the opposite rounding.
13892 * expr.c (store_constructor_field): If bit position is not multiple
13893 of alignment of TARGET's mode, use BLKmode.
13895 * expr.c (expand_expr_unaligned): Add more code from full case
13896 that is needed when OP0 is in a register.
13898 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13900 * dwarfout.c (field_byte_offset): Size can be zero if there was
13903 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13905 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
13906 (associate_trees): Delete unused var TEM.
13907 (extract_muldiv): Delete unused var CANCEL_P.
13909 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
13910 (target_isinf, target_isnan, target_negative): Add return types to
13911 function definitions.
13913 1999-11-29 Bruce Korb <autogen@linuxbox.com>
13915 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
13916 * fixinc/hackshell.tpl: ditto
13917 * fixinc/fixtests.c(double_slash_test): more C++ header testing
13918 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
13920 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13922 * reload.c (push_reload): When looking for a register to put into
13923 reg_rtx, make sure all hard regs in a multi-reg register are in the
13924 right class and nonfixed.
13926 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
13927 pending_read_insns, pending_write_insns, pending_read_mems,
13928 pending_write_mems, pending_list_length, last_pending_memory_flush,
13929 last_function_call, sched_before_next_call): Move static variables
13931 (bb_ prefixed versions): Replace with single array bb_deps.
13932 (struct deps): New structure.
13933 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
13934 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
13935 argument of type "struct deps *"; use that instead of global
13936 variables. All callers changed.
13937 (init_rgn_data_dependencies): Delete function.
13938 (init_rtx_vector): Delete function.
13939 (init_deps): New function.
13941 (free_pending_lists): Simplify, we always use the bb_deps array even
13942 if only one basic block.
13943 (compute_block_backward_dependences): Likewise.
13944 (schedule_region): Likewise.
13946 (propagate_deps): New function, broken out of
13947 compute_block_backward_dependences.
13948 (compute_block_backward_dependences): Use it.
13950 * alpha.md: Delete useless patterns that tried to work around
13951 register elimination problems.
13953 * unroll.c (loop_iterations): Don't abort if iteration variable
13956 From Joern Rennecke:
13957 * reload1.c (reloads_conflict): Reverse test comparing operand
13958 numbers when testing for conflict between output/outaddr reloads.
13960 1999-11-29 David S. Miller <davem@redhat.com>
13962 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
13964 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
13966 1999-11-28 Robert Lipe <robertl@cygnus.com>
13968 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
13969 table from .fini into .dtor.
13971 1999-11-28 Anthony Green <green@cygnus.com>
13973 * tree.h (struct tree_decl): Add malloc_flag.
13974 (DECL_IS_MALLOC): Define.
13975 * c-common.c (attrs): Add A_MALLOC attribute.
13976 (init_attributes): Add this attribute to the table.
13977 (decl_attributes): Handle malloc attribute.
13978 * calls.c (special_function_p): Check for the malloc attribute.
13979 * extend.texi (Function Attributes): Document malloc attribute.
13981 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
13983 * pa.md (reload shift-add patterns): Remove.
13985 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13987 * reorg.c (dbr_schedule) Print more statistics. Corrected
13988 problem when printing info when 3 delay slots are filled.
13990 1999-11-28 Jakub Jelinek <jakub@redhat.com>
13992 * combine.c (setup_incoming_promotions): Pass an outgoing
13993 regno to FUNCTION_ARG_REGNO_P which it expects.
13995 1999-11-28 Andreas Jaeger <aj@suse.de>
13997 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
13999 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
14001 * cccp.c (do_include): Avoid initialization of automatic variable.
14003 * integrate.c (mark_stores): Function definition made void, to match
14004 previous declaration.
14005 * regclass.c (dump_regclass): Ditto.
14006 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
14008 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14010 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
14011 known to be multiple of divisor.
14013 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
14015 * combine.c (try_combine): Add code to try to merge a set of a
14016 two-word pseudo to a constant with a setting of one of those words
14019 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
14020 (split_tree): Completely rework to make more general.
14021 (make_range, fold): Call negate_expr.
14022 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
14023 (fold, associate): Call new split_tree and associate_trees.
14024 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
14026 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
14028 * loop.c (try_copy_prop): Avoid GNU C extension.
14030 1999-11-25 Mark Mitchell <mark@codesourcery.com>
14032 * except.c (init_eh_for_function): Still zero eh_return_context,
14033 eh_return_stack_adjust, and eh_return_handler.
14035 * except.h (eh_status): Adjust documentation for x_protect_list.
14036 (begin_protect_partials): New function.
14037 * except.c (enqueue_eh_entry): Fix formatting.
14038 (get_first_handler): Add consistency check.
14039 (add_partial_entry): Adjust usage of protect_list.
14040 (emit_cleanup_handler): Save and restore ehqueue.
14041 (expand_start_all_catch): Add comment.
14042 (begin_protect_partials): New function.
14043 (end_protect_partials): Adjust usage of protect_list.
14044 (init_eh_for_function): Use xcalloc.
14046 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14048 * c-common.c (check_format_info): Don't call a variadic function
14049 with a non-literal format string.
14051 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
14053 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
14054 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
14057 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
14060 * collect2.c (collect_wait): Likewise.
14062 * dbxout.c (dbxout_type): Likewise.
14064 * gcc.c (do_spec_1): Likewise.
14066 * genemit.c (gen_insn, gen_expand): Likewise.
14068 * genrecog.c (write_switch, write_subroutine): Likewise.
14070 * mips-tfile.c (catch_signal, botch): Likewise.
14072 * print-rtl.c (print_rtx): Likewise.
14074 * toplev.c (default_print_error_function, report_error_function,
14075 _fatal_insn): Likewise.
14077 1999-11-25 Mark Mitchell <mark@codesourcery.com>
14079 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
14081 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14083 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
14084 operations when needed.
14085 * i386.md (fop_?f_comm): New.
14086 (fop_?f_1): Do not accept commutative operands.
14088 1999-11-25 Andreas Jaeger <aj@suse.de>
14090 * config/mips/mips.md (casesi_internal): Add missing brace.
14092 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
14094 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
14095 (splice_child_die): Handle moving a child DIE from the declaration
14096 DIE of a class to its specification.
14097 (gen_struct_or_union_type_die): Use 'complete' consistently.
14098 (gen_decl_die): Generate the virtual context DIE first.
14099 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
14101 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
14103 * config/mips/mips.md (call_value_multiple_interanal1): New.
14105 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
14107 * dwarf2out.c (free_AT, free_die): New fns.
14108 (remove_children): Call them.
14109 (output_line_info): Disable removal of duplicate notes.
14111 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
14112 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
14113 means pretend the type isn't defined.
14114 Don't defer emitting types.
14115 (gen_type_die_for_member): New fn.
14116 (gen_decl_die): Call it.
14117 (splice_child_die): New fn.
14118 (gen_member_die): Call it rather than generate duplicate dies.
14120 Defer emitting information for the abstract instance of an inline
14121 until we either inline it or emit an out-of-line copy.
14122 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
14123 from output_inline_function if DECL_ABSTRACT is also set.
14124 (block_ultimate_origin): Likewise.
14125 (gen_abstract_function): New fn.
14126 (gen_decl_die, gen_inlined_subroutine_die): Call it.
14127 (gen_subprogram_die): An abstract instance is not a declaration
14128 just because it doesn't match current_function_decl. Don't abort
14129 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
14130 has an abstract origin.
14131 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
14132 abstract instance here.
14134 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
14136 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
14137 where we need to reload fpul from a system register.
14139 1999-11-24 Andreas Jaeger <aj@suse.de>
14141 * config/mips/linux.h (CPP_PREDEFINES): Added.
14142 (LINK_SPEC): Remove -Y since this is only needed on sparc.
14144 1999-11-24 Andreas Jaeger <aj@suse.de>
14146 * config/mips/linux.h (TARGET_VERSION): Added.
14147 (HANDLE_SYSV_PRAGMA): Added.
14148 (DEFAULT_VTABLE_THUNKS): Added.
14150 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14152 * local-alloc.c (qty): New structure and static variable.
14153 (qty_phys_reg): Remove, all references changed to qty.
14154 (qty_n_refs): Likewise.
14155 (qty_min_class): Likewise.
14156 (qty_birth): Likewise.
14157 (qty_death): Likewise.
14158 (qty_size): Likewise.
14159 (qty_mode): Likewise.
14160 (qty_n_calls_crossed): Likewise.
14161 (qty_alternate_class): Likewise.
14162 (qty_changes_size): Likewise.
14163 (qty_first_reg): Likewise.
14164 (alloc_qty): Rename variable QTY to QTYNO.
14165 (finf_free_reg): Likewise.
14166 (local_alloc): Allocate qty, do not allocate the removed variables.
14168 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
14170 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
14171 when -membedded-pic is passed.
14173 * config/mips/mips.md (casesi): Handle 64-bit case too.
14174 (casesi_internal_di): New insn.
14176 * config/mips/mips.c (embedded_pic_offset): Always make the
14177 embedded-pic subtractions relative to the name of the current
14178 function by use of the magic string "..CURRENT_FUNCTION".
14179 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
14181 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
14183 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
14184 of (const_int 0), when what we really care about is
14185 whether it's a zero constant anyway.
14186 (div_trap_mips16): Likewise.
14188 1999-11-23 Mark Mitchell <mark@codesourcery.com>
14190 * loop.c (loop_optimize): Always find_loop_tree_blocks and
14191 unroll_block_trees when generating debuggable code.
14193 * tree.h (unsave_expr_1): New function.
14194 (lang_unsave): New variable.
14195 (get_callee_fndecl): New function.
14196 * tree.c (unsave_expr_now_r): New function.
14197 (lang_unsave): Define.
14198 (unsave_expr_1): Likewise.
14199 (unsave_expr_now_r): Split out from unsave_expr_now.
14200 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
14201 call unsave_expr_now_r.
14202 (get_callee_fndecl): Define.
14204 * Makefile.in (gencheck): Don't depend on lang_tree_files.
14205 (gencheck.o): Do depend on lang_tree_files.
14207 * integrate.h (copy_decl_for_inlining): New declaration.
14208 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
14209 (copy_decl_for_inlining): New function.
14210 (integrate_parm_decls): Use it.
14211 (integrate_decl_tree): Likewise.
14213 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
14215 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
14216 the second two from the first.
14217 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
14218 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
14219 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14221 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
14222 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14225 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
14227 * pa.md (call_internal_symref, call_value_internal_symref): No mode
14228 needed on the address operand.
14229 * pa.c (call_operand_address): Check for the correct mode.
14231 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
14233 * loop.c: Include "basic-block.h".
14234 (try_copy_prop, replace_loop_reg): New functions.
14235 (load_mems): Detect registers that just hold copies of the hoisted
14236 mem, and call try_copy_prop to eliminate them.
14237 * Makefile.in (loop.o): Update dependencies.
14239 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
14241 * Makefile.in (gencheck.o): Depend on gencheck.h.
14242 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
14243 (insn-peep.o): Depend on except.h and function.h.
14244 (insn-attrtab.o): Depend on RECOG_H.
14245 (insn-output.o): Depend on toplev.h and flags.h.
14246 (gengenrtl.o): Depend on real.h.
14247 (gen-protos.o): Depend on cpplib.h and cpphash.h.
14248 Unify all dependencies to be on RECOG_H rather than recog.h.
14250 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14252 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
14253 * configure.in: Try building a bi-arch 32/64-bit compiler on
14254 sparc-*-solaris2.7 and higher.
14255 * configure: Rebuild.
14257 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
14259 * config/freebsd.h: New, FreeBSD architecture independent file.
14260 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
14261 independent pieces.
14262 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
14263 directly by i386/freebsd.h.
14264 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
14265 independent configuration file.
14266 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
14267 directly by i386/freebsd.h.
14268 * configure: Rebuilt.
14270 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
14271 which is in the user's namespace.
14272 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
14273 `i386' which is not in our namespace.
14275 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
14277 * invoke.texi (ARM Options): Add in -mno-alignment-traps
14279 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14281 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
14282 (add_dwarf_attr, add_child_die): Just push onto the front.
14283 (reverse_die_lists): New fn.
14284 (add_sibling_attributes): Use it.
14285 (push_decl_scope): Reorganize.
14286 (add_name_and_src_coords_attributes): Don't set file and line for
14287 an artificial decl.
14288 (gen_subprogram_die): An artificial function doesn't need to match
14290 (gen_compile_unit_die): Return the generated die. Only add
14291 AT_comp_dir if the filename is relative.
14292 (remove_AT): Simplify loop. Also free string values.
14293 (output_die): A DIE ref can't be null.
14294 (output_value_format, value_format): Take a dw_attr_ref.
14295 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
14296 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
14297 AT_addr, AT_lbl): New fns.
14298 (various): Use them.
14299 (various): Constify.
14301 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14303 * combine.c (combine_simplify_rtx): When handling a SUBREG,
14304 take SUBREG_WORD into account.
14305 (if_then_else_cond): Likewise.
14307 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14309 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
14310 clause from BSD license, pursuant with
14312 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
14314 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
14316 * loop.c (load_mems): Reformat slightly.
14317 * basic-block.h (regset_head): New typedef.
14318 (INIT_REG_SET): New macro.
14320 1999-11-22 Bruce Korb <autogen@linuxbox.com
14322 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
14323 (mips-dec-bsd*): non-functional code
14324 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
14326 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
14327 added three replacement fixes
14328 (no_double_slash): removed comments that are not (any longer) pertinent
14329 (bad_lval): this fix currently runs against many files.
14330 The comment seems to indicate that we should select for files
14331 containing 'pragma extern_prefix'.
14333 * fixinc/fixinc.x86-linux-gnu: deleted
14334 * fixinc/inclhack.sh: regen
14335 * fixinc/fixincl.x: regen
14336 * fixinc/fixincl.sh: regen
14338 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
14340 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
14341 its code is INSN and it has no notes.
14343 1999-11-22 Andrew Haley <aph@cygnus.com>
14345 * varasm.c (function_defined): Remove.
14346 (make_function_rtl): Don't set function_defined.
14347 (make_decl_rtl): Remove global register warning.
14348 * regclass.c (no_global_reg_vars): New variable.
14349 (globalize_reg): Warn if function has already been defined.
14350 (regclass_init): Set no_global_reg_vars.
14352 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14354 * regclass.c (reg_pref): New structure and static variable
14355 (prefclass): Delete.
14356 (altclass): Delete.
14357 (all uses of prefclass and altclass): Use reg_pref instead.
14359 1999-11-21 Nick Clifton <nickc@cygnus.com>
14361 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
14363 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
14364 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14365 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14367 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
14369 * varasm.c (output_constructor): Solve problem with long long
14370 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
14372 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14374 * global.c (allocno): New structure and static variable.
14375 (allocno_reg): Remove, all references replaced by allocno.
14376 (allocno_size): Likewise.
14377 (hard_reg_conflicts): Likewise.
14378 (hard_reg_preferences): Likewise.
14379 (hard_reg_copy_preferences): Likewise.
14380 (hard_reg_full_preferences): Likewise.
14381 (regs_someone_prefers): Likewise.
14382 (allocno_calls_crossed): Likewise.
14383 (allocno_n_refs): Likewise.
14384 (allocno_live_length): Likewise.
14385 (find_reg): Rename ALLOCNO to NUM.
14387 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
14388 references updated.
14389 (may_move_out_cost): New variable.
14390 (init_reg_sets_1): Initialize may_move_out_cost.
14391 (record_reg_classes): Use may_move_out_cost.
14393 * regclass.c (dump_regclass): New function.
14394 (regclass): New parameter DUMP, call DUMP_REGCLASS.
14395 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
14396 pass rtl_dump_file to regclass.
14397 * rtl.h (regclass): Update prototype.
14399 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14401 * i386.md (neg, not and abs patterns): Revmap to use
14402 ix86_expand_unary_operator and ix86_unary_operator_ok.
14403 (add?f and sub?f expanders): Force operand 1 to register.
14404 * i386.c (ix86_expand_unary_operator): Rewrite.
14405 (ix86_unary_operator_ok): Ensure that memory operands
14407 (ix86_binary_operator_ok): Do not allow operand 1 to
14408 come into memory and operand 0 not.
14409 (ix86_expand_binary_operator): Ensure that
14410 src1 is not non-matching memory.
14412 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
14413 to support integer registers and memory.
14414 (abss?2_integer): Likewise.
14416 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
14417 (REG_CLASS_NAMES): Likewise.
14418 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
14420 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
14421 (movsf): Likewise; unify 4th and 5th alternative.
14422 (pushdf): Likewise.
14423 (movdf_1): Likewise; rename to movdf_integer.
14424 (pushxf): Likewise; rename to pushxf_integer; fix output template;
14425 remove redundant splitter.
14426 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
14427 (movdf_nointeger): New.
14428 (movxf_nointeger): New.
14429 (pushxf_nointeger): New.
14431 * i386.md (extend?f?f): Split to expander and pattern, refuse two
14432 memory operands in patterns.
14433 (fop*): Refuse two memory operands.
14435 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
14436 on !TARGET_USE_CLTD CPUs.
14438 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
14440 * extend.texi: Document C++ restricted pointers and references.
14442 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
14444 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
14445 (invalidate_skipped_set): Call it unconditionally.
14446 (cse_set_around_loop): Likewise.
14448 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14450 * rtl.texi (mem): Add documentation for alias-set argument
14453 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14455 * i386.h (struct_processor_costs): New fields int_load, int_store,
14456 fp_move, fp_load and fp_store
14457 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
14459 (MEMORY_MOVE_COST): New macro.
14460 * i386.c (386_cost): Define new fields.
14461 (i486_cost): Likewise.
14462 (pentium_cost): Likewise.
14463 (pentiumpro_cost): Likewise.
14464 (k6_cost): Likewise.
14466 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
14467 Geoffrey Keating <geoffk@cygnus.com>
14469 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
14471 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
14474 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
14475 (TARGET_STRICT_ALIGNMENT): New macro.
14476 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
14477 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
14478 * invoke.texi (M680x0 Options): Document -mstrict-align.
14480 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
14481 Richard Henderson <rth@cygnus.com>
14483 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
14484 (ix86_split_long_move): Declare.
14485 * i386.c (split_xf, ix86_split_movdi): Remove.
14486 (ix86_split_to_parts, ix86_split_long_move): New.
14487 * i386.md (dimode move splitters): Use ix86_split_long_move.
14488 (dfmode move splitters): Likewise.
14489 (xfmode move splitters): Likewise.
14490 (movsf_1): Allow F->r.
14491 (movdf_1, movxf_1): Allow F->ro.
14493 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14495 * except.h (struct eh_entry): Add goto_entry_p.
14496 (eh_region_from_symbol): Remove prototype.
14497 * except.c (find_func_region_from_symbol): New function.
14498 (emit_cleanup_handler): Likewise.
14499 (eh_region_from_symbol): Make it static.
14500 (add_new_handler): Verify the argument.
14501 (find_func_region): Update comment.
14502 (expand_eh_region_end): Expand handlers here, rater than waiting
14503 until expand_leftover_cleanups or start_all_catch.
14504 (expand_leftover_cleanups): Don't expand here.
14505 (expand_start_all_catch): Or here.
14506 (expand_rethrow): Check the return value from find_func_region.
14507 * function.c (expand_function_end): Emit the catch_clauses.
14509 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
14511 * integrate.c (expand_inline_function): Add necessary check for NULL.
14513 1999-11-18 Nick Clifton <nickc@cygnus.com>
14515 * toplev.c (main): Correctly detect an unrecognised option.
14517 * cppinit.c (cpp_handle_option): Do not claim to have consumed
14518 a -f option if it has not been recognised.
14520 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
14522 * basic-block.h (update_life_extent): Remove trailing comma on
14523 enumeration type list.
14525 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14527 * varasm.c (output_constructor) Solved problem with long long
14528 bitfields. Corrected calculating this_time and shift. Also
14529 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
14531 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
14533 * flow.c (split_edge): Take looping structure into account when
14534 determining where to put the new block note.
14536 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
14538 * Makefile.in (ggc-none.o): Provide host specific version if
14541 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
14543 * cse.c (delete_trivially_dead_insns): Identify no-op insns
14544 containing subregs too.
14546 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14548 * invoke.texi: Add documentation for -muninit-const-in-rodata.
14549 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
14550 (TARGET_UNINIT_CONST_IN_RODATA): Define.
14551 (text_section): Add switches -munint-const-in-rodata and
14552 -mno-uninit-const-in-rodata.
14553 (ASM_OUTPUT_COMMON): Remove.
14554 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
14555 const objects should be placed in read-only data. Otherwise declare
14558 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
14560 * jump.c (jump_optimize_1): Revert last change.
14562 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
14564 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
14565 test if optimizing for size.
14567 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14569 * Makefile.in (toplev.o): Depend on except.h.
14570 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
14572 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14574 * i386.md (divmodsi4): Rewrite to expander.
14575 (*divmodsi4_nocltd): New.
14576 (*divmodsi4_cltd): New.
14577 (divmodsi4 splitter): Handle the case when input comes in edx.
14578 (udivmodhi4): Do not use constraints in exander.
14579 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
14581 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
14583 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
14584 for the common case.
14586 1999-11-16 Jakub Jelinek <jakub@redhat.com>
14588 * explow.c (hard_function_value): Add outgoing argument.
14589 * expr.h (hard_function_value): Declare it.
14590 * calls.c (expand_call, emit_library_call_value): Update callers.
14591 * function.c (aggregate_value_p): Ditto.
14592 (diddle_return_value): Must look at the outgoing registers
14593 on archs with register windows.
14595 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
14597 * alpha.c (alpha_build_va_list): Use make_lang_type and
14598 initialize TYPE_NAME for the va_list record.
14600 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
14602 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
14604 * ggc.h (struct ggc_statistics): Rearrange elements for better
14605 packing on 64-bit hosts.
14606 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
14607 (compute_nearerout): Likewise.
14609 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
14611 * config/rs6000/rs6000.c (first_reg_to_save): Save
14612 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
14614 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
14616 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
14617 notion of nesting to find the DIE for a type or function.
14618 DIEs can go in limbo even if we got a context_die.
14619 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
14620 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
14622 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
14623 (gen_type_die): Writing out the context doesn't cause member class
14624 template instantiations to be written out as well.
14626 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
14628 * rs6000.h (ASM_OUTPUT_DEF): New.
14629 Based on proposed addition from David Edelsohn.
14631 1999-11-15 Robert Lipe <RobertLipe@usa.net>
14632 Bruce Korb <autogen@linuxbox.com>
14634 * fixinc/inclhack.def
14635 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
14636 (unixware7_byteorder_fix): added. Removes conflicts for new defs
14638 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
14639 (svr4_endian): enabled with SVR5
14640 (svr4_mkdev): simplified syntax and enabled with SVR5
14642 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
14644 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
14645 * configure: Rebuilt.
14646 * config/t-freebsd-thread: New file.
14648 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
14650 * i386.c (ix86_decompose_address): Verify the base is a REG
14651 before trying to examine its register number.
14653 * basic-block.h: Remove all #defines and prototypes related to
14655 (free_bb_mem, compute_preds_succs): Remove prototype.
14656 * rtl.h (free_bb_mem): Remove prototype.
14657 * flow.c (alloc_int_list_node); Remove function.
14658 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
14659 (compute_preds_succs, free_bb_mem): Likewise.
14660 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
14661 * toplev.c (rest_of_compilation): Likewise.
14662 * haifa-sched.c (build_control_flow): Use flow generated edge
14663 list to build the haifa specific edge list.
14664 (find_rgns): Use new CFG data structures instead of pred/succ lists.
14665 (schedule_insns): Do not build pred/succ lists anymore. Instead
14666 build the edge table.
14668 * basic-block.h (dump_bb_data): Remove declaration.
14669 * flow.c (dump_bb_data): Remove function.
14670 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
14671 (sbitmap_union_of_predsucc): Likewise.
14673 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
14674 argument. All callers changed.
14675 (delete_null_pointer_checks_1): No longer need to compute the
14678 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
14679 All callers changed.
14680 (pre_expr_reaches_here_p_work): Likewise.
14681 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
14682 * lcm.c (compute_laterin): Fix initialization of LATER.
14683 (compute_nearerout): Similarly for NEARER.
14685 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14687 * cse.c (set_nonvarying_address_components): Delete unused function.
14688 (refers_to_p): Likewise.
14690 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
14692 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
14695 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14697 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
14698 definition in do while (0).
14700 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
14702 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
14704 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
14706 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
14708 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
14710 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
14711 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
14712 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
14713 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
14715 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
14716 saved on the stack. Output more accurate stack frame statistics
14717 into assembler file.
14719 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
14721 * genextract.c (record_insn_name): New function.
14722 (get_insn_name): No longer a stub.
14723 (main): Call record_insn_name for each insn. After each label
14724 written, print the insn name in a comment.
14726 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14728 * output.h (const_section, init_section, fini_section): Add
14731 * alpha/elf.h (const_section): Delete declaration.
14733 * svr4.h (const_section): Likewise.
14735 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
14737 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
14738 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
14739 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
14741 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
14742 variable-sized array bounds.
14744 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
14746 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
14749 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14751 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
14752 addresses the same way GO_IF_LEGITIMATE_INDEX does.
14754 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14756 * cse.c (hash_arg_in_struct): Delete.
14757 (struct table_elt): Delete elt in_struct.
14758 (struct set): Delete elt src_in_struct.
14759 (merge_equiv_classes): Don't set either hash_arg_in_struct or
14760 the corresponding in_struct elts.
14761 (canon_hash): Likewise.
14762 (safe_hash): Likewise.
14763 (find_best_addr): Likewise.
14764 (record_jump_cond): Likewise.
14765 (cse_insn): Likewise.
14767 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
14769 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
14771 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
14774 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
14776 * function.c (diddle_return_value): Put back check that the DECL_RTL
14777 for the function is a register.
14779 * function.c (diddle_return_value): Use hard_function_value to
14780 get an rtx suitable for use in the USE/CLOBBER insn.
14782 * global.c (global_conflicts): Update comments.
14783 (record_conflicts): No need to record conflicts between pseudos here.
14785 1999-11-11 Bruce Korb <autogen@linuxbox.com>
14787 * fixinc/fixincl.c: Added verbose levels for status messages
14789 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14791 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
14792 operand as argument to expand_and or expand_binop.
14794 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
14796 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
14797 gcc_add_string_root.
14799 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
14801 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
14803 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
14805 * flow.c (compute_flow_dominators): Initially put all blocks on
14807 * lcm.c (compute_antinout_edge, compute_available): Similarly.
14808 * gcse.c (compute_cprop_avinout): Remove.
14809 (compute_cprop_data): Use compute_available.
14810 (delete_null_pointer_checks_1): Use compute_available.
14812 * basic-block.h (compute_available): Returns a void now.
14813 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
14814 to return a value anymore.
14815 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
14816 worklists. Fix boundary cases. Compute maximal solutions.
14817 (compute_laterin, compute_nearerout): Similarly.
14819 * dwarf2out.c (add_AT_location_description): Allow
14820 (mem (plus (pseudo) (...)) too.
14822 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
14824 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
14826 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
14827 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14829 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
14831 * gansidecl.h: Likewise.
14837 * toplev.h: Likewise.
14839 * tree.c: Likewise.
14841 * tree.h: Likewise.
14843 * varray.c: Likewise.
14845 * varray.h: Likewise.
14847 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
14849 * gcov.c (struct arcdata): Add hits and total, remove prob.
14850 (output_branch_counts): New.
14851 (process_args): Set output_branch_counts if -c.
14852 (calculate_branch_probs): Store hits and total instead of
14854 (output_data): Emit counts if output_branch_counts is true.
14855 * gcov.texi (Invoking Gcov): Document -c switch..
14857 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
14859 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
14860 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
14862 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
14864 * invoke.texi (C Dialect Options): Add missing builtins from
14865 c-common.c to list.
14866 * extend.texi (Other Builtins): Copy to this list.
14868 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14870 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
14871 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
14872 redundant bitmap.h.
14874 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
14876 * flow.c (compute_flow_dominators): No longer treat basic block 0
14877 or (n_basic_blocks - 1) specially. Clear the AUX field before
14878 starting computation of doms/pdoms. Fix initial state for pdoms.
14880 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14882 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
14883 match rtl.o's: added ggc.h and toplev.h
14884 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
14885 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
14886 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
14888 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
14890 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
14891 from HAVE_DOS_BASED_FILESYSTEM.
14892 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
14893 HAVE_DOS_BASED_FILESYSTEM.
14895 (split_directories): Only special-case DOS file names if
14896 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
14897 instead of explicit tests. Conditionalize on !VMS.
14898 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
14899 tests. Conditionalize on !VMS.
14900 (process_command): Only use make_relative_prefix if !VMS.
14901 (free_split_directories): Conditionalize on !VMS.
14902 (DIR_UP): Conditionalize on !VMS.
14904 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
14906 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
14908 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
14910 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
14913 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
14915 * invoke.texi (Environment Variables): Document relative path
14917 * gcc.c (DIR_UP): If not defined, define as "..".
14918 (standard_bindir_prefix): New static, holds target location to
14920 (split_directories): New function to split a filename into
14921 component directories.
14922 (free_split_directories): New function, release memory allocated
14923 by split_directories.
14924 (make_relative_prefix): New function, make a relative pathname if
14925 the compiler is not in the expected location.
14926 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
14927 can figure out an appropriate prefix from argv[0].
14928 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
14929 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
14930 STANDARD_BINDIR_PREFIX.
14932 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14934 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
14936 * config/c4x/c4x.h: Moved prototypes to c4x.h.
14937 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
14938 c4x_secondary_memory_needed) Delete.
14939 (fp_zero_operand): Add mode argument.
14941 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
14943 * reload1.c (reload_reg_free_for_value_p): Don't use a register
14944 that is in reload_reg_used.
14946 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
14948 * config/arm/arm-protos.h: New file: Prototypes for functions
14949 defined in arm.c and pe.c.
14950 * config/arm/arm.h: Fix compile time warnings.
14951 * config/arm/arm.c: Fix compile time warnings.
14952 * config/arm/pe.h: Fix compile time warnings.
14953 * config/arm/aout.h: Fix compile time warnings.
14955 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
14957 * config/m32r/m32r-protos.h: New file: Prototypes for functions
14960 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
14961 Add support for subtargets.
14962 Add prototypes for new predicates.
14963 Add scheduling macros.
14965 * config/m32r/m32r.c: Fix compile time warnings.
14966 (int8_operand): New predicate function.
14967 (reg_or_cmp_int16_operand): New predicate function.
14968 (extend_operand): New predicate function.
14969 (m32r_adjust_code): New scheduling function.
14970 (m32r_adjust_priorty): New scheduling function.
14971 (m32r_sched_init): New scheduling function.
14972 (m32r_sched_reorder): New scheduling function.
14973 (m32r_sched_variable_issue): New scheduling function.
14974 (direct_return): New codegen function.
14975 (m32r_not_same_reg): New rtl testsing function.
14977 * config/m32r/m32r.md: Fix compile time warnings.
14978 Add support for pre decrement and post increment memory
14980 Add S<cc> patterns.
14983 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14985 * global.c (EXECUTE_IF_CONFLICT): Don't define.
14986 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
14987 (find_reg): Likewise.
14989 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
14991 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
14992 to avoid assembler errors.
14994 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
14996 * config/v850/v850-protos.h: New file: Prototypes for functions
14998 * config/v850/v850.h: Move prototypes to v850-protos.h
14999 * config/v850/v850.c: Move prototypes to v850-protos.h
15000 * config/v850/v850.md: Fix compile time warnings.
15002 * config/fr30/fr30-protos.h: New file: Prototypes for functions
15004 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
15005 * config/fr30/fr30.c: Fix compile time warnings.
15006 * config/fr30/fr30.md: Fix compile time warnings.
15008 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
15010 * tree.h (get_containing_scope): Declare it.
15011 * tree.c (get_containing_scope): New fucntion.
15012 (decl_function_context): Use it.
15013 * toplev.c (rest_of_compilation): Use get_containing_scope.
15015 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15017 * Makefile.in (rtl.o): Depend on toplev.h.
15019 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
15021 * cse.c (delete_trivially_dead_insns): Replace alloca with
15023 * except.c (update_rethrow_references): Likewise.
15024 (init_eh_nesting_info): Likewise.
15025 * function.c (identify_blocks): Likewise.
15026 * gcse.c (dump_hash_table): Likewise.
15027 * graph.c (print_rtl_graph_with_bb): Likewise.
15028 * loop.c (combine_movables): Likewise.
15029 (move_movables): Likewise.
15030 (count_loop_regs_set): Likewise.
15031 (strength_reduce): Likewise.
15032 * profile.c (compute_branch_probabilities): New function, split
15034 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
15035 * regclass.c (regclass): Likewise.
15036 * regmove.c (regmove_optimize): Likewise.
15037 * toplev.c (compile_file): Likewise.
15038 (main): Don't mess with the stack rlimit.
15040 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
15042 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
15043 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
15045 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
15047 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
15049 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
15051 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
15052 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
15055 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
15057 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
15059 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
15061 * gcse.c (post_dominators): Kill.
15062 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
15063 (compute_code_hoist_data): Use compute_flow_dominators. Do not
15064 pass in a pdom array since we do not need pdoms.
15065 * haifa-sched.c (schedule_insns): Similarly.
15066 * flow.c (compute_dominators): Remove dead function.
15067 (compute_flow_dominators): Do not compute doms or pdoms if the
15068 caller does not request them. Split up loop to build doms and
15069 pdoms. Use a worklist to compute doms and pdoms.
15070 * basic-block.h (compute_dominators): Remove prototype.
15072 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
15074 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
15075 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
15076 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
15077 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
15078 (cant_move, fed_by_spec_load, is_load_insn): Remove.
15079 (schedule_region): Remove unused variable.
15080 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
15082 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
15084 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
15085 (update_equiv_regs): Likewise.
15086 (block_alloc): Likewise.
15087 * reg-stack.c (reg_to_stack): Likewise.
15088 (convert_regs_2): Likewise.
15089 * reload1.c (reload_as_needed): Likewise.
15091 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
15093 * Makefile.in (dbxout.o): Depend on ggc.h.
15094 (dwarf2out.o): Likewise.
15095 (xcoffout.o): Likewise.
15096 * dbxout.c: Include ggc.h.
15097 (dbxout_init): Register lastfile as a root.
15098 * dwarf2out.c: Include ggc.h.
15099 (dwarf2out_line): Register lastfile as a root.
15100 * xcoffout.c: Include ggc.h.
15101 (xcoffout_source_line): Register xcoff_lastfile as a root.
15103 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
15105 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
15107 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
15109 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
15111 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
15113 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15115 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
15116 (EXECUTE_IF_CONFLICT): Likewise.
15117 (ALLOCNO_LIVE_P): Avoid signed division.
15118 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
15119 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
15120 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
15122 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
15124 * haifa-sched.c (schedule_block): Don't crash if there's no
15125 next insn for an interblock movement.
15126 (add_branch_dependences): Don't allow clobber insns to move either.
15128 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
15130 * i386.c (split_xf): New.
15131 * i386-protos.h: Declare it.
15132 * i386.md (movxf_1): Add general regs alternatives.
15133 (movxf_1+1): New splitter for same.
15135 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
15137 * function.c (purge_addressof_1): Add missing return values.
15139 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
15141 * function.c (is_addressof): New function. Returns true if
15142 the given piece of RTL is an ADDRESSOF.
15143 (purge_addressof_1): Make boolean. Return false if the
15144 ADDRESSOFs could not be purged.
15145 (purge_addressof): If ADDRESSOFs could not be purged from the
15146 notes attached to an insn, remove the offending note(s),
15147 unless they are attached to a libcall.
15149 1999-11-05 Andreas Jaeger <aj@suse.de>
15151 * genoutput.c (null_operand =): Initialize all fields.
15153 * errors.h: Add extern to prototypes.
15155 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
15157 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
15158 * configure: Rebuilt.
15160 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15162 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
15163 (mirror_conflicts): New function.
15164 (global_alloc): Call it.
15165 (expand_preferences): Remove redundant CONFLICTP test.
15166 (find_reg, dump_conflicts): Likewise.
15167 (prune_preferences): Process conflicts one word at a time.
15169 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
15171 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
15172 instead of an explicit loop.
15174 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
15176 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
15177 if REG_RETVAL check succeeds, then put classp in src_elt.
15179 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
15181 * function.c (pad_to_arg_alignment): Only update argument_pad
15182 if the argument's alignment is greater than STACK_BOUNDARY.
15184 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
15186 * bitmap.h (BITMAP_XFREE): New.
15187 * flow.c (life_analysis): Use it.
15188 (life_analysis_1): Free blocks.
15190 * combine.c (undo_commit): New.
15191 (try_combine): Use it. Don't zap undobuf.undos.
15192 (combine_instructions): Don't zap undobuf.undos; free the
15193 undobuf.frees list.
15195 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
15197 * stmt.c (cost_table_): New.
15198 (estimate_case_costs): Use it instead of xmalloc.
15200 * toplev.c (compile_file): Reuse dumpname memory instead
15203 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
15205 * reg-stack.c (convert_regs_1): Initialize target_stack->top
15206 after verifying an EH edge.
15208 * haifa-sched.c (init_rgn_data_dependences): Correctly
15209 size bb_pending_lists_length when zeroing.
15211 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
15213 * function.c (diddle_return_value): New.
15214 (expand_function_end): Use it.
15215 * stmt.c (expand_null_return): Likewise.
15216 (expand_value_return): Likewise.
15218 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
15220 * reload1.c (reload): Don't remove return value clobbers.
15222 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
15224 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
15226 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
15228 * cse.c (cse_main): Use xmalloc, not alloca.
15229 (cse_basic_block): Likewise.
15230 * local-alloc.c (local_alloc): Likewise.
15232 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
15233 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15235 * rtl.c: Include toplev.h.
15236 (fatal): Remove declaration.
15238 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
15240 * haifa-sched.c (schedule_block): Fix thinko.
15242 1999-11-03 James McKelvey <mckelvey@fafnir.com>
15244 * fixinc/fixincl.c(create_file): Allow for systems that do not have
15245 S_IR* defined values
15247 1999-11-03 Philippe De Muyter <phdm@macqel.be>
15249 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
15250 call `malloc' instead.
15252 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
15254 * flags.h (flag_renumber_insns): Declare.
15255 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
15257 * rtl.h (renumber_insns): Change prototype.
15258 * toplev.c (flag_renumber_insns): Define.
15259 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
15261 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
15263 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
15264 and fpsqrtd. Use them and create fdiv function unit to more
15265 accurately represent fpu sqrt pipeline semantics on UltraSparc.
15266 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
15268 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
15270 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
15272 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
15273 insn into ready list, do not use just a raw swap.
15275 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
15277 * rtl.h (renumber_insns): New function.
15278 (remove_unnecessary_notes): Likewise.
15279 * emit-rtl.c (renumber_insns): Define.
15280 (remove_unncessary_notes): Likewise.
15281 * toplev.c (rest_of_compilation): Remove dead code.
15282 Use renumber_insns and remove_unncessary_notes.
15284 * gcse.c (struct null_pointer_info): New type.
15285 (get_bitmap_width): New function.
15286 (current_block): Remove.
15287 (nonnull_local): Likewise.
15288 (nonnull_killed): Likewise.
15289 (invalidate_nonnull_info): Take a null_pointer_info as input.
15290 (delete_null_pointer_checks_1): New function.
15291 (delete_null_pointer_checks): Use it.
15293 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
15294 (split_edges): Likewise.
15295 (schedule_block): Likewise.
15296 (compute_block_backward_dependencies): Likewise.
15297 (schedule_region): Likewise.
15298 (schedule_insns): Likewise.
15300 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
15302 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
15303 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
15304 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
15305 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
15306 * jump.c (delete_unreferenced_labels): Don't delete if
15307 LABEL_ALTERNATE_NAME is set.
15308 * print-rtl.c (print_rtx): Dump alternate name.
15309 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
15310 * rtl.h (LABEL_ALTERNATE_NAME): Define.
15311 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
15312 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
15314 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15316 * fix-header.c (recognized_extern, recognized_function): Constify
15319 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
15320 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15321 (compute_available): Remove unused variable `last'.
15322 (compute_nearerout): Remove unused variable `temp_bitmap'.
15323 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15324 Remove unused variable `x'.
15326 * scan.h (recognized_function, recognized_extern): Constify a
15329 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
15331 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15333 * varasm.c (decode_rtx_const): Use XSTR to access the string
15336 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
15338 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
15340 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15342 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
15344 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
15346 * pa.c (ireg_operand): New function.
15347 * pa.h (PREDICATE_CODES): Handle ireg_operand.
15348 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
15349 Fix out of date comment.
15351 * pa.md (negdi2): Turn into expander + anonymous pattern.
15353 * reload.c (find_reloads): Fix typos in recent change.
15355 * dwarf2out.c: Do not include ctype.h.
15357 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15359 * regclass.c (record_reg_classes): Always use may_move_cost when
15360 seeing how operand fits with various register classes.
15362 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
15364 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
15365 * toplev.c: Revert Nov 1 13:22 change.
15367 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
15369 * config/pa/pa.md (height reduction patterns): Add checks for
15370 overlapping operands to avoid semantic-destroying splits for
15371 height reduction patterns.
15373 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15375 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
15376 have been an hyphen, fixed.
15377 * configure: Rebuilt.
15379 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
15381 * config/arm/tpe.h: Add prototypes for exported functions.
15382 * config/arm/pe.c: Fix compile time warnings.
15383 * config/arm/semi.h: Fix compile time warnings.
15384 * config/arm/arm.c: Fix compile time warnings.
15385 * config/arm/arm.h: Fix compile time warnings.
15386 * config/arm/arm.md: Fix compile time warnings.
15387 * config/arm/thumb.c: Fix compile time warnings.
15388 * config/arm/thumb.h: Fix compile time warnings.
15389 * config/arm/thumb.md: Fix compile time warnings.
15391 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
15393 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
15396 * unroll.c (unroll_loop): Remove LOOP notes when loop is
15397 completely unrolled.
15399 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15401 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
15403 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
15405 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
15406 * rtl.h (rtx_equal_p): Move prototype.
15407 * rtl.c (rtx_equal_function_value_matters): Move from
15409 (rtx_equal_p): Likewise.
15410 * rtlanal.c (rtx_equal_function_value_matters): Delete.
15411 (rtx_equal_p): Likewise.
15413 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
15415 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
15416 ! HAS_INIT_SECTION.
15418 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
15420 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
15422 * pa.h (ADDR_VEC_ALIGN): Define.
15424 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
15425 notes when presented with "if (foo) break; end_of_loop" and
15426 the break sequence gets moved out of the loop.
15428 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
15429 Remove explicit zero initializations of entries within MAP.
15431 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
15433 * reg-stack.c (convert_regs_1): Handle EH edges specially.
15435 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
15437 * bitmap.h (BITMAP_XMALLOC): New macro.
15438 * flow.c (CLEAN_ALLOCA): Remove.
15439 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
15440 (life_analysis): Likewise.
15441 (update_life_info): Don't use CLEAN_ALLOCA.
15442 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
15443 (calculate_global_regs_live): Likewise.
15444 (print_rtl_with_bb): Likewise.
15445 (verify_flow_info): Likewise.
15446 * global.c (global_alloc): Likewise.
15447 (global_conflicts): Likewise.
15448 * integrate.c (save_for_inline_nocopy): Likewise.
15449 (expand_inline_function): Likewise.
15450 * jump.c (jump_optimize_1): Likewise.
15451 (duplicate_loop_exit_test): Likewise.
15452 (thread_jumps): Likewise.
15453 * loop.c (loop_optimize): Likewise.
15454 (combine_givs): Likewise.
15455 (recombine_givs): Likewise.
15456 * reorg.c (dbr_schedule): Likewise.
15457 * unroll.c (unroll_loop): Likewise.
15459 * combine.c (combine_instructions): Use xmalloc instead of alloca.
15461 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
15463 * toplev.c (rest_of_compilation): Don't optimize the CFG
15464 when rebuilding, just before dbr.
15466 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15468 * output.h (assemble_end_function, assemble_destructor,
15469 assemble_constructor, assemble_gc_entry, assemble_global,
15470 assemble_label, output_constant_pool) Constify a char*.
15472 * varasm.c (assemble_destructor, assemble_constructor,
15473 assemble_gc_entry, assemble_end_function, assemble_global,
15474 assemble_label, output_constant_pool): Likewise.
15476 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
15478 * config/arm/thumb.c (thumb_expand_prologue): Add comments
15479 explaining what is goin on in this function.
15481 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15483 * regclass.c (record_reg_classes): In matching case, recompute
15484 costs since the direction of movement is different.
15486 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
15488 * resource.c (mark_target_live_regs): For unconditional branches,
15489 the resources found at the branch target should be added to the
15490 resources found so far, not intersected.
15492 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
15494 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
15496 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
15497 (sys/mman.h): Include this file only if #HAVE_MMAP.
15498 (run_compiles): Initialize `esac_fmt' with one old KR string, not
15499 with automatically concatenated ANSI strings.
15501 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
15503 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
15504 (DIV_ROUND_UP): Robustify.
15505 (ggc_recalculate_in_use_p): New function.
15506 (release_pages): Don't inline it.
15507 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
15509 (ggc_pop_context): Use ggc_recalculate_in_use_p.
15510 (clear_marks): Always save in_use_p.
15511 (sweep_pages): Use ggc_recalculate_in_use_p.
15512 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
15513 Release pages before counting statistics.
15515 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
15517 * toplev.c (rest_of_compilation): Fix thinko in this change:
15519 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15521 (rest_of_compilation): If inside an inlined external function,
15522 pretend we are just being declared.
15524 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
15526 * flow.c (calculate_global_regs_live): Fix thinko.
15528 * integrate.c (expand_inline_function): Fix bugs in previous
15529 change from Oct 28, 1999.
15531 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
15533 * stmt.c (expand_value_return): Fix typo in this change:
15535 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15536 (expand_value_return): Correctly convert VAL when promoting function
15537 return; support RETURN_REG being a PARALLEL.
15539 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
15541 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
15543 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15545 * hard-reg-set.h (reg_names): Constify a char*.
15547 * regclass.c (reg_names): Likewise.
15549 * regs.h (reg_names): Likewise
15551 * a29k/a29k.c (reg_names): Delete declaration.
15553 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
15555 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
15556 arc_output_function_epilogue): Likewise.
15558 * elxsi/elxsi.c (reg_names): Likewise.
15560 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
15562 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
15565 * m88k/m88k.c (output_function_profiler): Likewise.
15567 * sparc/sparc.c (sparc_flat_output_function_prologue,
15568 sparc_flat_output_function_epilogue): Likewise.
15570 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
15572 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
15573 warning from -Wuninitialized and put it under -W.
15574 * function.c (uninitialized_vars_warning): Warn only when the
15575 corresponding flag is set.
15577 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
15579 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
15580 is nonzero and the single set does not have an elt, then assign
15583 * simplify-rtx.c: New file.
15584 * Makefile.in (OBJS): Add simplify-rtx.o
15585 (simplify-rtx.o): Add dependencies.
15586 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
15587 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
15588 (cse_gen_binary, simplify_unary_operation): Delete.
15589 (simplify_binary_operation, simplify_plus_minus): Likewise.
15590 (check_fold_consts, simplify_relation_operation): Likewise.
15591 (simplify_ternary_operation): Likewise.
15592 (delete_trivially_dead_insns): Simplify the contents of the
15593 REG_EQUAL note before trying to substitute it into the source
15594 of the reg-reg copy at the end of a libcall sequence.
15596 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
15597 references/callers changed.
15599 * mn10200.c (mn10200_va_arg): Force the return value into a
15602 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
15604 * cccp.c (macroexpand): Avoid out of range accesses for omitted
15607 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
15609 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
15611 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
15613 * fold-const.c (fold): Fix thinko when optimizing comparisons
15616 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
15618 * gcc.texi (Passes): Update front-end files to their current
15621 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
15623 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
15624 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
15625 (PREDICATE_CODES): Add addition_operation.
15626 * alpha-protos.h (addition_operation): Declare.
15627 (secondary_reload_class): Likewise.
15628 * alpha.c (addition_operation): New.
15629 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
15630 * alpha.md (adddi3): Turn into expander.
15631 (*lda, *adddi_2): New.
15632 (movsf, movdf patterns): Don't preference integer regs.
15633 (movsi, movdi patterns): Don't preference fp regs.
15635 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
15637 * genrecog.c (write_switch): Check for duplicate CODE cases.
15639 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
15641 * ggc-common.c: Update pre-function commentary.
15642 * ggc-page.c: Likewise.
15644 (poison_pages): Use memset directly.
15645 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
15646 (ggc_collect): Poison before sweeping.
15647 * ggc-simple.c: Update pre-function commentary.
15648 (ggc_alloc_obj): Poison non-zeroed memory.
15650 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
15652 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
15653 match format string, even on 64-bit hosts.
15654 * gcc-page.c (ggc_page_print_statistics): Likewise.
15656 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
15658 * config/i386/i386.c (ix86_cpu): Revert last patch.
15659 * config/i386/i386.h (ix86_cpu): Ditto.
15661 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
15663 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
15664 TYPE_SIZE, convert type of result to sizetype.
15666 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
15668 * flow.c (count_or_remove_death_notes): Equate NULL with the
15671 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
15672 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
15675 * i386.c (pic_label_no): Delete.
15676 (ix86_attr_length_default): Don't use single_set to peek
15679 * recog.c (peephole2_optimize): Allow recog_next_insn to index
15680 the first insn after bb->end.
15681 * i386.md (push mem peeps): Scratch is live after evaluation
15683 (cmp mem peep): Similarly.
15685 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
15687 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
15688 * function.c (pad_to_arg_alignment): Add missing braces.
15690 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15692 * alpha/alpha-protos.h (literal_section): Add prototype.
15693 (alpha_need_linkage, alpha_start_function,alpha_end_function):
15696 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
15698 (alpha_start_function, alpha_end_function, float_strings,
15699 alpha_need_linkage): Constify a char*
15701 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
15703 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
15705 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
15707 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
15709 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15711 * flow.c (debug_flow_info): Add prototype.
15713 * gcc.c (main): Likewise.
15715 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
15718 * reload1.c (failed_reload, set_reload_reg): Likewise.
15720 * mips-tfile.c (main): Likewise.
15721 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
15722 with ATTRIBUTE_NORETURN.
15724 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
15726 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
15727 DECL is not a memory ref.
15729 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
15731 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
15732 * config/i386/i386.c (ix86_cpu): Add extern attribute.
15734 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
15736 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
15737 * config/mips/elf64.h: ditto.
15739 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
15741 * expr.c (emit_push_insn): New argument alignment_pad.
15742 Update all callers. Adjust stack pointer based on alignment pad.
15743 * function.c (pad_to_arg_alignment): New argument alignment_pad.
15744 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
15745 (locate_and_pad_parm): New argument alignment_pad. Update all
15747 * expr.h (emit_push_insn): Update prototype.
15748 (locate_and_pad_parm): Update prototype.
15749 * calls.c (arg_data): Add new field alignment_pad.
15750 (initialize_argument_information): Initialize alignment_pad.
15752 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
15754 * except.c (free_eh_nesting_info): Free the info itself.
15755 * function.c (free_after_compilation): Don't free NULL.
15756 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
15757 (pre_edge_insert): Free inserted.
15758 * stmt.c (free_stmt_status): Don't free NULL.
15760 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15762 * gcov.c (DIR_SEPARATOR): Provide default.
15763 (output_data): Add test for MS-DOS format absolute filename.
15764 (fancy_abort): Correct program name.
15765 (open_files): Open all files in binary mode.
15766 * libgcc2.c (__bb_exit_func): Likewise.
15768 * profile.c (init_branch_prob): Specify binary when opening files.
15770 * flags.h (flag_unwind_tables): New decl.
15771 * toplev.c (flag_unwind_table): New definition.
15772 (f_options): Add -funwind-tables.
15773 (decode_g_option): Clarify warning when unknown -g option is given.
15774 (rest_of_compilation): If inside an inlined external function,
15775 pretend we are just being declared.
15777 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
15778 (dwarf2out_frame_finish): Likewise.
15780 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
15782 * fold-const.c (merge_ranges): If not in0, but in1, handle
15783 upper bounds equal like subset case.
15785 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
15787 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
15788 passed in a register but moved to the stack.
15790 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
15792 * gcc.c (pass_exit_codes, greatest_status): New variables.
15793 (struct option_map): Add entry for "--pass-exit-codes".
15794 (execute): Update greatest_status if error.
15795 (display_help): Add documentation for -pass-exit-codes.
15796 (process_command): Handle -pass-exit-codes.
15797 (main): Look at pass_exit_codes and greatest_status on call to exit.
15799 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15801 * reload.c (find_reloads): Refine test for no input reload
15802 case to not includes reloads emitted after insn.
15804 * function.c (find_temp_slots_from_address): Handle sum involving
15805 a register that points to a temp slot.
15806 (update_temp_slot_address): Make recursive call if both old and
15807 new are PLUS with a common operand.
15808 * calls.c (expand_call): Mark temp slot for result as having
15811 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
15813 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
15814 component as well as "BINUTILS".
15816 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
15817 * integrate.c (copy_rtx_and_substitute): Likewise.
15818 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
15819 All callers changed.
15820 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
15822 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
15823 gdb extensions, write size of type; also be more consistent
15824 in using references when this is a subtype.
15826 * pa.md (extv, extzv, insv): Use define_expand to reject constant
15827 that is out of range.
15829 * loop.c (unknown_constant_address_altered): New variable.
15830 (prescan_loop): Initialize it.
15831 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
15832 (invariant_p, case MEM): Remove handling for volatile and readonly;
15833 check new variable if readonly.
15834 (check_dbra_loop): Chdeck unknown_constant_address_altered.
15836 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
15837 (addr_affects_sp_p): Removed from note_mem_written and only
15838 define #ifdef AUTO_INC_DEC.
15840 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
15842 * regclass.c (record_reg_classes): Properly handle register move
15845 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
15846 Don't think valid if both operands are invalid.
15847 (struct constant_descriptor): New field RTL.
15848 (mark_const_hash_entry): Mark it.
15849 (record_constant{,_rtx}): Initialize it.
15850 (output_constant_def): Allocate RTL in permanent obstack and
15852 ({record,compare}_constant_1): Modes must match for
15853 CONSTRUCTOR of ARRAY_TYPE.
15855 * c-common.h (initializer_constant_valid_p): Delete decl from here.
15856 * output.h (initializer_constant_valid_p): Move decl to here.
15857 * c-common.c (initializer_constant_valid_p): Delete function from here.
15858 * varasm.c (initializer_constant_valid_p): Move function to here.
15860 * tree.h (STRIP_SIGN_NOPS): New macro.
15861 * fold-const.c (optimize_minmax_comparison): New function.
15862 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
15863 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
15864 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
15865 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
15866 widening conversions.
15867 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
15868 to look at size of mode, not precision of type; also add missing cases.
15869 (optimize_bit_field_compare, decode_field_reference): Don't try to
15870 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
15872 * dwarf2out.c (ctype.h): Include.
15873 (dwarf2out_set_demangle_name_func): New function.
15874 (size_of_line_info): Deleted.
15875 (output_line_info): Compute size of line info table from difference
15877 (base_type_die, add_name_attribute): Call demangle function, if any.
15878 (field_byte_offset): Use bits per word for variable length fields.
15879 (gen_array_type_die): Add array name.
15880 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
15881 (dwarf2out_add_library_unit_info): New function.
15883 * explow.c (set_stack_check_libfunc): New function.
15884 (stack_check_libfunc): New static variable.
15885 (probe_stack_range): Allow front-end to set up a libfunc to call.
15887 * combine.c (simplify_comparison): When making comparison in wider
15888 mode, check for having commuted an AND and a SUBREG.
15889 (contains_muldiv): New function.
15890 (try_combine): Call it when dividing a PARALLEL.
15891 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
15892 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
15894 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
15895 use one of the CLOBBERs instead.
15896 (if_then_else_cond): If comparing against zero, just return thing
15899 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
15900 Don't generate shifts and subtract if have conditional arithmetic.
15902 * rtl.h (delete_barrier): New declaration.
15903 * jump.c (jump_optimize): Set up to handle conditional call.
15904 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
15905 (delete_barrier): New function.
15907 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
15909 * recog.c (nonmemory_operand): Accept ADDRESSOF.
15911 * tree.c (build_type_attribute_variant): Push to obstack of
15912 ttype around type_hash_canon call.
15914 * expr.c (placeholder_list): Move decl to file scope.
15915 (expand_expr): Don't force access to volatile just because its
15917 If ignoring reference operations, just expand the operands.
15918 (expand_expr, case COMPONENT_REF): Propagate
15919 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
15920 Refine test for using bitfield operations vs pointer punning.
15921 (expand_expr, case CONVERT_EXPR): If converting to
15922 BLKmode UNION_TYPE from BLKmode, just return inner object.
15923 Use proper mode in store_field call.
15924 Properly set sizes of object to store and total size in store_field
15925 call for convert to union.
15926 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
15927 memory (like for ADDR_EXPR). Also, don't put constant in register if
15928 we'll want it in memory.
15929 (readonly_fields_p): New function.
15930 (expand_expr, case INDIRECT_REF): Call it if LHS.
15931 (expand_assignment): Handle a RESULT_DECL where
15932 DECL_RTL is a PARALLEL.
15933 (do_jump, case WITH_RECORD_EXPR): New case.
15934 (get_inner_reference): Always go inside a CONVERT_EXPR
15935 and NOP_EXPR if both modes are the same.
15936 (store_field): Use bitfield operations if size of bitsize is not same
15937 as size of RHS's type.
15938 Check for bitpos not a multiple of alignment in BLKmode case.
15939 Do block move in largest possible alignment.
15940 (store_constructor): Set BITSIZE to -1 for variable size and properly
15941 in case of array of BLKmode.
15942 (expand_expr_unaligned): New function.
15943 (do_compare_and_jump): Call it.
15945 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
15946 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
15947 does not include 'o'.
15949 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
15950 both SET_DEST and SET_SRC reference a virtual register.
15951 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
15953 * integrate.c (expand_inline_function): Handle case of setting
15954 virtual stack vars register (from built in setjmp); when parameter
15955 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
15956 (subst_constant): Add new parm, MEMONLY.
15957 (expand_inline_function, integrate_parm_decls): Pass new parm.
15958 (integrate_decl_tree): Likewise.
15959 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
15960 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
15961 (copy_rtx_and_substitute, case SET): Add explicit calls to
15962 copy_rtx_and_substitute for both sides.
15964 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
15966 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
15967 within INDEX_TYPE, instead of before.
15968 (fixup_gotos): Use f->target_rtl, not the next insn,
15969 since latter may be from a later fixup.
15970 (expand_value_return): Correctly convert VAL when promoting function
15971 return; support RETURN_REG being a PARALLEL.
15972 (expand_return): When checking for result in regs and having
15973 cleanup, consider PARALLEL in DECL_RTL as being in regs.
15975 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
15977 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
15978 last_nominal_fname): Mark const.
15979 (struct include_hash: name, nshort, control_macro): Mark
15981 (struct macrodef: symnam): Mark const.
15982 (struct if_stack: fname): Mark const.
15983 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
15984 (IStable): New character-syntax array which encompasses all
15985 the old is_foo arrays.
15986 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
15987 is_space): New macros for interrogating IStable.
15988 (check_macro_name): Kill last argument. All callers changed.
15990 * cppinit.c (initialize_char_syntax): Delete.
15991 (is_idchar, is_idstart, is_hor_space, is_space,
15992 trigraph_table): Delete.
15993 (IStable): New. Initialize with clever macros to avoid
15994 information duplication.
15995 (builtin_array): Table of builtins to get rid of explicit list
15996 in initialize_builtins.
15997 (initialize_builtins): Use builtins_array.
15998 (cpp_start_read): Call init_IStable, and set IStable['$'] if
15999 opts->dollars_in_ident.
16001 * cppexp.c: Change all refs to is_xyz[] arrays to use new
16003 (cpp_parse_expr): Avoid 'format string is not constant'
16004 warning. Use ISGRAPH to identify printable chars.
16005 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
16007 (read_and_prescan): Map trigraphs to chars with open-coded
16008 if-else-if-... sequence, not a lookup table.
16009 * cpphash.c: Change all refs to is_xyz[] arrays to use new
16011 * cpplib.c: Change all refs to is_xyz[] arrays to use new
16012 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
16013 (check_macro_name): Remove ability to report an invalid
16014 assertion name, which is never used.
16015 (do_line): Constify a couple of char *'s.
16016 * cppmain.c (main): Call cpp_cleanup before returning.
16018 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
16020 * ggc.h (struct ggc_statistics): New type.
16021 (ggc_get_size): New function.
16022 (ggc_print_statistics): Likewise.
16023 * ggc-common.c (ggc_stats): New variable.
16024 (ggc_mark_rtx_children): Keep statistics.
16025 (ggc_mark_tree_children): Likewise.
16026 (ggc_print_statistics): New function.
16027 * ggc-page.c (struct globals): Add bytes_mapped field.
16028 (alloc_anon): Update it.
16029 (release_pages): Likewise.
16030 (ggc_get_size): New function.
16031 (ggc_page_print_statistics): New function.
16032 * ggc-simple.c (ggc_get_size): New function.
16034 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
16036 * flow.c (propagate_block): When the last reference to a label
16037 before an ADDR_VEC is deleted because the reference is a dead
16038 store, delete the ADDR_VEC.
16040 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
16042 * resource.c (find_free_register): Don't use the frame pointer
16043 if frame_pointer_needed.
16045 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
16047 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
16048 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
16050 * config/i960/i960.c (i960_va_start): New locals base, num.
16051 Use INDIRECT_REF instead of ARRAY_REF on valist.
16052 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
16054 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
16056 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
16058 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
16060 * tree.def (PLACEHOLDER_EXPR): Update comments.
16062 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16064 * c-common.c (check_format_info): Avoid non-literal format string
16065 warnings when `first_arg_num' is zero.
16067 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16069 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
16071 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
16073 * arm.md (casesi_insn): Add a clobber of the condition code
16076 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
16078 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
16079 used by both cc1 and cc1plus.
16081 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
16083 * config/arm/arm.c: Initialise arm_structure_size_boundary to
16084 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
16085 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
16086 to the value 32 if it has not already been defined.
16087 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
16088 Override definition in arm.h with a value of 8.
16090 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
16092 * c-pragma.c (push_alignment): Don't check the return value
16095 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
16097 * sparc.h (ADJUST_COST): Fix thinko.
16099 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
16101 * cccp.c (rescan): Fixed obp pointer handling around call to
16102 check_expand subroutine.
16104 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
16106 * gcse.c (delete_null_pointer_checks): Only record non-null info
16107 for pseudos when examining stores.
16109 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
16110 splitters for these patterns. Use "#" for output templates.
16111 (addsi3_carryin_shift): New pattern.
16113 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
16115 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
16116 of the function return register into a plain REG until
16117 after function inlining is done.
16119 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
16121 * jump.c (jump_optimize_1): If we did cross-jumping, and
16122 the data will matter, rebuild the CFG.
16123 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
16124 not optimizing. Don't run shorten_branches.
16125 * toplev.c (rest_of_compilation): Run shorten_branches after
16128 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
16130 * rtl.h (note_stores): Add additional paramter.
16131 * rtlanal.c (reg_set_p_1): Take additional paramter.
16132 (reg_set_last_1): Likewise.
16133 (reg_set_p): Adjust call to note_stores.
16134 (reg_set_last): Likewise.
16135 (note_stores): Pass data parameter to worker function.
16136 * alias.c (record_set): Take additional parameter.
16137 (init_alias_analysis): Pass it.
16138 * caller-save.c (mark_set_regs): Take additional parameter.
16139 (save_call_clobbered_regs): Pass NULL to note_stores.
16140 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
16142 (record_dead_and_set_regs_1): Likewise.
16143 (reg_dead_at_p_1): Likewise.
16144 (combine_instructions): Adjust calls to note_stores.
16145 (try_combine): Likewise.
16146 (record_dead_insn): Remove.
16147 (record_dead_and_set_regs): Adjust calls to note_stores.
16148 (reg_dead_at_p): Likewise.
16149 * cse.c (invalidate_skipped_set): Take additional parameter.
16150 (cse_check_loop_start): Likewise.
16151 (cse_check_loop_start_value): Remove.
16152 (cse_set_around_loop): Adjust calls to note_stores.
16153 * flow.c (notice_stack_pointer_modification): Take additional
16154 parameter. Remove duplicate declaration.
16155 (record_volatile_insns): Adjust calls to note_stores.
16156 * gcse.c (record_set_info): Take additional parameter.
16157 (record_last_set_info): Likewise.
16158 (invalidate_nonnull_info): Likewise.
16159 (record_set_insn): Remove.
16160 (compute_sets): Adjust calls to note_stores.
16161 (last_set_insn): Remove.
16162 (compute_hash_table): Adjust calls to note_stores.
16163 (insert_insn_end_bb): Likewise.
16164 (delete_null_pointer_checks): Likewise.
16165 * global.c (mark_reg_store): Take additional parameter.
16166 (mark_reg_clobber): Likewise.
16167 (reg_becomes_live): Likewise.
16168 (global_conflicts): Adjust calls to note_stores.
16169 (build_insn_chain): Likewise.
16170 * integrate.c (note_modified_parmregs): Take additional parameter.
16171 (mark_stores): Likewise. Make it static.
16172 (save_for_inline_nocopy): Adjust calls to note_stores.
16173 (try_constants): Likewise.
16174 * integrate.h (mark_stores): Remove declaration.
16175 * jump.c (mark_modified_reg): Take additional parameter.
16176 (thread_jumps): Adjust calls to note_stores.
16177 * local-alloc.c (validate_equiv_mem_from_store): Take additional
16179 (no_equiv): Likewise.
16180 (reg_is_set): Likewise.
16181 (validate_equiv_mem): Adjust calls to note_stores.
16182 (update_equiv_regs): Likewise.
16183 (block_alloc): Likewise.
16184 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
16185 (note_addr_stored): Take additional parameter.
16186 (note_set_pseudo_multiple_uses): Likewise.
16187 (record_initial): Likewise.
16188 (prescan_loop): Adjust calls to note_stores.
16189 (strength_reduce): Likewise.
16190 (check_dbra_loop): Likewise.
16191 * regmove.c (flags_set_1): Take additional paramter.
16192 (mark_flags_life_zones): Adjust calls to note_stores.
16193 * reload1.c (mark_not_eliminable): Take additional parameter.
16194 (forget_old_reloads_1): Likewise.
16195 (reload_cse_invalidate_rtx): Likewise.
16196 (reload_cse_check_clobber): Likewise.
16197 (reload_combine_note_store): Likewise.
16198 (move2add_note_store): Likewise.
16199 (reload): Adjust calls to note_stores.
16200 (reload_as_needed): Likewise.
16201 (emit_reload_insns): Likewise.
16202 (reload_cse_regs_1): Likewise.
16203 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
16204 (reload_combine): Adjust calls to note_stores.
16205 * resource.c (update_live_status): Take additional paramter.
16206 (mark_target_live_regs): Adjust calls to note_stores.
16207 * stupid.c (find_clobbered_regs): Take additional parameter.
16208 (stupid_life_analysis): Adjust calls to note_stores.
16210 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
16212 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
16215 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
16218 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
16219 of the variable arm_structure_size_boundary.
16221 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
16223 * alias.c (init_alias_analysis): Allocate reg_known_value and
16224 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
16226 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
16227 * cse.c (cse_main): Call end_alias_analysis.
16228 * haifa-sched.c (schedule_insns): Likewise.
16229 * local-alloc. (update_equiv_regs): Likewise.
16230 * reload1.c (reload_cse_regs): Likewise.
16232 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16234 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
16235 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
16236 mapping from MASK_FPU.
16238 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
16240 * sparc.md (call): Don't bound structure return size to 0xfff.
16242 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
16244 * resource.c (mark_target_live_regs): Check that the target
16245 insn wasn't created after compute_bb_for_insn.
16247 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
16249 * ggc-page.c (poison_pages): Don't be overzealous.
16251 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
16253 * alias.c: Update comments for ADDRESS.
16254 (nonlocal_reference_p): Look inside the ADDRESS to determine if
16255 it is a local memory reference.
16257 * c-typeck.c (build_function_call): Check that the built-in
16258 function is of class BUILT_IN_NORMAL before trying to recongize
16259 it as BUILT_IN_ABS.
16260 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
16261 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
16263 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
16265 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
16267 (pre_gcse): Likewise.
16268 (hoist_expr_reaches_here_p): Likewise.
16269 (hoist_code): Likewise.
16270 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
16272 (pre_expr_reaches_here_p_work): ... here.
16273 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
16275 (expr_reaches_here_p_work): ... here.
16277 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
16279 * resource.c (find_basic_block): Delete.
16280 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
16281 (init_resource_info): Call compute_bb_for_insn.
16283 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
16285 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
16286 with already adjacent blocks, but no fallthru.
16287 (merge_blocks_move_successor_nojumps): Simplify.
16288 (debug_flow_info): New.
16290 * toplev.c (rest_of_compilation): Open jump1 dump file before
16291 jump and close after, as opposed to just using dump_rtl.
16293 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16295 * reload.h (earlyclobber_operand_p): Declare.
16296 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
16297 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
16298 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
16299 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
16301 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
16302 Richard Henderson <rth@cygnus.com>
16304 * emit-rtl.c (emit_block_insn_before): New.
16305 (emit_block_insn_after): New.
16306 * basic-block.h: Declare them.
16308 * bitmap.h: Protect from multiple inclusion.
16310 * recog.c (scratch_operand): Handle VOIDmode correctly.
16312 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
16314 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
16315 * function.c (assign_parms): Likewise.
16316 * global.c (global_conflicts): Clarify STACK_REGS commentary.
16318 * reg-stack.c (max_uid): Remove.
16319 (blocks, block_begin, block_end, block_drops_in): Remove.
16320 (block_stack_in, block_out_reg_set, block_number): Remove.
16321 (struct block_info_def, BLOCK_INFO): New.
16322 (enum emit_where): New.
16323 (current_block): New.
16324 (BLOCK_NUM): Remove.
16325 (mark_regs_pat, record_label_references): Remove.
16326 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
16328 (goto_block_pat, print_blocks, dump_stack_info): Remove.
16329 (reg_to_stack): Simplified test for existance of fp code. Use
16330 flow.c code. Call shorten_branches after cross-jump opt.
16331 (check_asm_stack_operands): Renamed from record_asm_reg_life.
16332 Return false if the asm doesn't use stack regs. Don't do life
16333 analysis on the asm.
16334 (emit_pop_insn): Replace function pointer arg `when' with
16335 enum `where'. Update all callers.
16336 (change_stack): Likewise. Update basic block end.
16337 (emit_swap_insn): Use current_block->head to limit reverse search
16338 for start of block. Use emit_block_insn_after.
16339 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
16340 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
16341 structure assignment instead of bcopy.
16342 (print_stack): New.
16343 (convert_regs_entry, convert_regs_exit): New.
16344 (convert_regs_1, convert_regs_2): Split out from convert_regs.
16345 Work on basic blocks and the CFG.
16346 (convert_regs): Use them.
16348 * i386.c (output_fix_trunc): Remove code for DImode input operand
16349 not at top-of-stack.
16350 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
16352 (fix_truncdi_1): Allow any mode scratch.
16354 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
16356 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
16357 * linux.h, netbsd.h, vms.h: Not here.
16359 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
16361 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
16362 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
16363 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
16364 CONDITIONAL_REGISTER_USEAGE): Use them.
16365 * config/mips/mips.c (mips_move_1word,mips_move_2words,
16366 gen_conditional_branch,override_options) : Use them.
16367 * config/mips/mips.md : Use them.
16369 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
16371 * i386.md (zero_extendqihi2): Use SImode register name with andl.
16373 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
16375 * integrate.c (function_cannot_inline_p): Don't allow inlining
16378 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16380 * c-parse.in (cast_expr): Constify.
16382 * cccp.c (special_symbol): Likewise.
16384 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
16386 * dwarf2out.c (base_type_die): Likewise.
16388 * global.c (allocno_compare): Likewise.
16390 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
16392 * regclass.c (fix_register): Likewise.
16394 * rtl.h (fix_register): Likewise.
16396 * stupid.c (stupid_reg_compare): Likewise.
16398 * toplev.c (decode_f_option): Likewise.
16400 * tree.c (build_complex_type): Likewise.
16402 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
16404 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
16406 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16408 * reload.c (find_reloads): Compute mode and nregs fields of all
16410 * reload1.c (calculate_needs_all_insns): Simplify a bit.
16411 (calculate_needs): Use precomputed mode/nregs values.
16412 (allocate_reload_reg): Likewise.
16414 (failed_reload, set_reload_reg): ... new functions.
16415 (choose_reload_regs_init): New function, mostly broken out from...
16416 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
16417 Also lose one #if 0 block.
16419 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
16421 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
16424 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
16426 * tree.h (BLOCK_TYPE_TAGS): Remove.
16427 (BLOCK_END_NOTE): Likewise.
16428 (BLOCK_LIVE_RANGE_FLAG): Likewise.
16429 (BLOCK_LIVE_RANGE_START): Likewise.
16430 (BLOCK_LIVE_RANGE_END): Likewise.
16431 (tree_block): Remove live_range_flag, live_range_var_flag, and
16432 type_tags. Remove end_note, live_range_start, and live_range_end.
16433 (remember_end_note): Remove prototype.
16434 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
16435 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
16437 * ggc-common.c (ggc_mark_tree_children): Don't mark
16438 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
16439 * integrate.c (adjust_copied_decl_tree): Remove.
16440 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
16441 * stmt.c (last_block_end_note): Remove.
16442 (init_stmt): Don't add a GC root for it.
16443 (expand_fixup): Don't set it.
16444 (remember_end_note): Remove.
16445 (expand_end_bindings): Don't set last_block_end_note.
16447 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16449 * reload1.c (reload_reg_free_for_value_p): Show
16450 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
16453 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
16455 * expmed.c (extract_bit_field): Allow for the case of non-integer
16456 objects that are smaller than a word (like SFmode on a 64-bit
16459 * loop.c (basic_induction_var): A non-integer variable which is
16460 being set by a paradoxical subreg is probably not a biv.
16462 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16464 * prefix.c (translate_name) Check for empty prefix string.
16466 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
16468 * Makefile.in (CPP_CROSS_NAME): New variable.
16469 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
16471 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
16472 names of the files to be uninstalled.
16474 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
16476 * collect2.c (IS_DIR_SEPARATOR): Define.
16477 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
16479 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
16482 * haifa-sched.c (add_dependence): Update the true dependency
16483 cache the first time we add a true dependence to the LOG_LINKS chain.
16485 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
16487 * fold-const.c (fold): Fix comment.
16489 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16491 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
16492 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
16493 dbxout_start_new_source_file, dbxout_source_file,
16494 dbxout_source_line, dbxout_finish, dbxout_type_fields,
16495 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
16497 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
16498 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
16499 (dbxout_block): Initialize variable `blocknum'.
16501 * dbxout.h (dbxout_init, dbxout_finish,
16502 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
16503 dbxout_args, dbxout_source_line): Constify a char*.
16505 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
16506 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
16507 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
16508 low_pc_attribute, high_pc_attribute, body_begin_attribute,
16509 body_end_attribute, comp_dir_attribute, sf_names_attribute,
16510 src_info_attribute, mac_info_attribute, producer_attribute,
16511 lookup_filename, generate_macinfo_entry, fundamental_type_code,
16512 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
16513 dwarfout_undef): Constify a char*.
16514 (add_incomplete_type, retry_incomplete_types): Add prototypes.
16516 * dwarfout.h (dwarfout_define, dwarfout_undef,
16517 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
16519 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
16521 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
16522 (MULTILIB_ISA_DEFAULT): New.
16523 (MULTILIB_DEFAULTS): Use it.
16524 * config/mips/mips.c (): Remove the now unnecessary definition
16525 of MIPS_ISA_DEFAULT.
16526 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
16527 unnecessary definition.
16529 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
16531 * arm.md (pic_load_addr): Add constraints to operand 1.
16533 1999-10-25 Bruce Korb <autogen@linuxbox.com>
16535 * fixinc/genfixes: Provide a means for specifying -D options to
16538 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
16540 * arm.c (arm_override_options): Correct initialization of
16541 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
16542 arm_is_strong, and arm_is_6_or_7.
16544 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
16545 (note_set_pseudo_multiple_uses): New function.
16546 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
16547 if a pseudo set in the loop exit is used elsewhere.
16549 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
16551 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
16553 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
16555 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
16556 a single load-address pattern.
16558 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
16560 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
16561 depending on whether or not line-number notes are present.
16563 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16565 * cccp.c (progname, file_buf, default_include, include_file,
16566 macrodef, definition, hashval, wchar_type, user_label_prefix,
16567 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
16568 expand_to_temp_buffer, is_system_include, base_name,
16569 absolute_filename, read_name_map, open_include_file,
16570 record_control_macro, check_precompiled, check_preconditions,
16571 pcfinclude, pass_thru_directive, create_definition,
16572 check_macro_name, comp_def_part, collect_expansion,
16573 check_assertion, read_token_list, assertion_install,
16574 assertion_lookup, eval_if_expression, conditional_skip,
16575 validate_else, skip_quoted_string, quote_string, macarg1,
16576 error_from_errno, install, lookup, hashf, dump_defn_1,
16577 perror_with_name, pfatal_with_name, main, trigraph_pcp,
16578 check_white_space, rescan, handle_directive, monthnames,
16579 special_symbol, do_include, remap_include_file, write_output,
16580 arglist, do_assert, do_unassert, do_line, do_error, do_once,
16581 do_ident, do_sccs, do_xifdef, skip_if_group,
16582 output_line_directive, macroexpand, macarg, change_newlines,
16583 initialize_builtins, make_definition): Constify a char*.
16585 * pcp.h (stringdef): Likewise.
16587 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
16589 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
16592 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
16593 Richard Henderson <rth@cygnus.com>
16595 * alias.c: Include ggc.h.
16596 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
16597 (record_set): Verify enough room in reg_base_value.
16598 (init_alias_analysis): Allocate reg_base_value with xcalloc.
16599 Register it as a GC root.
16600 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
16601 * Makefile.in (alias.o): Depend on ggc.h.
16603 * unroll.c (unroll_loop): Verify the insn before a barrier
16604 is a JUMP_INSN before checking JUMP_LABEL.
16606 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16608 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
16609 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
16610 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
16611 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
16612 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
16613 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
16615 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16617 * output.h (ctors_section, dtors_section, bss_section): Prototype.
16619 * alpha/alpha-interix.h (text_section): Delete prototype.
16620 * alpha/elf.h (text_section): Likewise.
16621 * arm/linux-elf.h (text_section): Likewise.
16622 * arm/linux-telf.h (text_section): Likewise.
16623 * c4x/c4x.h (text_section): Likewise.
16624 * dsp16xx/dsp16xx.h (bss_section): Likewise.
16625 * elfos.h (text_section): Likewise.
16626 * i386/aix386ng.h (text_section): Likewise.
16627 * i386/i386-interix.h (text_section): Likewise.
16628 * i386/sco5.h (text_section): Likewise.
16629 * i386/svr3gas.h (text_section): Likewise.
16630 * nextstep.h (text_section): Likewise.
16631 * psos.h (text_section): Likewise.
16632 * ptx4.h (text_section): Likewise.
16633 * svr3.h (text_section): Likewise.
16634 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
16636 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16638 * final.c (peephole): Delete prototype.
16640 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
16641 (pre_insert_copies): Remove unused variable `bb'.
16643 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
16646 * output.h (peephole): Add prototype.
16648 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
16650 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
16653 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
16655 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
16656 for inlined declarations.
16658 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
16660 * arm.c (logical_binary_operator): New fucntion.
16661 * arm.h (logical_binary_operator): Declare it.
16662 (PREDICATE_CODES): Handle logical_binary_operator.
16663 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
16664 output constraints. Add appropriate splitters.
16665 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
16666 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
16667 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
16669 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16671 * genoutput.c (struct operand_data): New elt eliminable.
16672 (output_operand_data): Write it.
16673 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
16674 (compare_operands): Take it into account.
16675 * recog.h (struct insn_operand_data): New elt eliminable.
16676 * reload1.c (check_eliminable_occurrences, elimination_effects): New
16678 (old_asm_operands_vec, new_asm_operands_vec): Delete.
16679 (eliminate_regs): Move code that detects changes to elimination
16680 target regs into new function elimination_effects.
16681 Delete one #if 0 block.
16682 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
16683 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
16684 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
16685 Only call eliminate_regs for real operands of the insn, not for parts
16686 of its structure or parts matched by things like match_operator.
16687 Use elimination_effects and check_eliminable_occurrences. Use
16688 copy_insn to duplicate the pattern when not in the final pass.
16690 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
16692 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
16695 1999-10-22 Bruce Korb <autogen@linuxbox.com>
16697 * fixinc/README: document the "mach" machine matching test
16698 * fixinc/fixfixes.c: Implement the #else/#endif label fix
16699 * fixinc/fixtests.c: Implement the #else/#endif label test
16700 * fixinc/inclhack.def: utilize these tests and fixes
16701 * fixinc/inclhack.sh: regen
16702 * fixinc/fixincl.x: regen
16703 * fixinc/fixincl.sh: regen
16705 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
16707 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
16710 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
16712 * gcc.1: Document exit codes.
16714 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16716 * calls.c: Include tm_p.h later, so everything we need is defined.
16717 * expr.c: Likewise.
16718 * function.c: Likewise.
16720 * except.c: Include tm_p.h.
16722 * sparc.c: Likewise.
16723 (dwarf2out_cfi_label): Don't prototype.
16724 (check_return_regs, epilogue_renumber,
16725 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
16726 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
16727 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
16728 ultra_schedule_insn): Add static prototype.
16729 (data_segment_operand, text_segment_operand): Call itself with the
16730 proper number of arguments.
16731 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
16733 * sparc.h: Move all declarations to sparc-protos.h.
16734 (SELECT_RTX_SECTION): Pass a missing MODE argument to
16737 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
16739 * config/svr4.h (text_section, ctors_section, dtors_section): Add
16741 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
16742 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
16743 ASM_OUTPUT_ASCII): Constify a char*.
16745 * sparc-protos.h: New file for sparc prototypes.
16747 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16749 * function.c (record_insns, contains): Always declare and define.
16750 (record_insns): Mark with ATTRIBUTE_UNUSED.
16752 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
16754 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
16755 to .section when outputting a .bss section to deal with multiple
16756 .bss input sections (as happens with -fdata-sections)
16757 Also output %progbits, not @progbits so the assembler doesn't treat as
16759 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
16761 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
16762 thumb parts even when building with non-thumb CPUs, by forcing
16765 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
16767 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
16768 (movdf_const_intreg_sp64): Similarly.
16770 * local-alloc.c (update_equiv_regs): Check the correct insn
16771 for pre-existing REG_EQUIV notes.
16773 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
16775 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
16776 block reached by a branch if we're not going to actually process
16779 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
16781 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
16782 a local extern function declaration.
16784 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
16786 * i386.c (ix86_expand_prologue): Properly wrap USE around
16787 reg for CALL_INSN_FUNCTION_USAGE.
16789 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
16791 * config/mips/mips.md (movdf_internal1a): Allow floating-point
16792 move between GP_REGs.
16794 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
16796 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
16797 the mode size when finding out if an offset is legal.
16799 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
16801 * basic-block.h (PROP_*): Move constants from ...
16802 * flow.c: ... here.
16803 (compute_bb_for_insn): Free the array before reallocating.
16804 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
16805 (allocate_reg_life_data): Reset all reg variables collected by
16807 (get_block_head_tail): Don't convert from bb to block.
16808 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
16809 (find_insn_reg_weight): Take block not bb.
16810 (schedule_block): Don't set block num for moved insns.
16811 (schedule_region): Don't update_life_info or find_insn_reg_weight.
16812 (schedule_insns): Do it here instead.
16813 * combine.c (combine_instructions): Invoke compute_bb_for_insn
16814 before update_life_info.
16815 * recog.c (split_all_insns, peephole2_optimize): Update for
16816 new arg to update_life_info.
16817 * rtlanal.c (remove_note): Cope with NULL note.
16818 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
16821 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
16823 * jump.c (jump_optimize_1): More accurately detect casesi insns.
16825 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
16826 block records so that merge_blocks_nomove will clean up correctly.
16827 (split_edge): Handle casesi insns.
16829 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
16831 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
16833 * pa.md (call, call_value): Do not emit a blockage after restoring
16836 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
16838 * c-typeck.c (c_expand_asm_operands): Fix typo.
16840 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16842 * arm.c (fpu_rhs_operand): Verify modes.
16843 (fpu_add_operand): Likewise.
16844 (di_operand): Likewise.
16845 (soft_df_operand): Likewise.
16847 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
16849 * arm.c (arm_return_in_memory): APCS rules state that the elements
16850 of a structure returned in a register must be 'integer-like'.
16852 1999-10-19 Bruce Korb <autogen@linuxbox.com>
16854 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
16855 in the source tree when the generated targets are out of date
16856 * fixinc/genfixes: Alter it to run individual fixes for make.
16857 * fixinc/README: rewrite
16858 * fixinc/inclhack.def: moved initial comments to README
16860 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
16862 * toplev.c (main): Do not generate an error message if an
16863 unrecognised command line switch is recognisable by another
16864 language. If extra_warnings are enabled, then generate a
16865 warning message instead.
16867 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
16869 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
16870 (insert_pack_attributes): Delete prototype.
16872 * c-pragma.c (default_alignment): New static variable.
16873 (push_alignment): Initialize to current effective alignment.
16874 (pop_alignment): Use to set new alignment.
16875 (insert_pack_attributes): Delete function.
16876 (handle_pragma_token): Set default_alignment as well each time
16877 a #pragma pack(<n>) is encountered.
16879 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
16881 * reg-stack.c (stack_result): Aggregates are not returned in
16884 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
16886 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
16888 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
16890 * basic-block.h (set_block_num): Declare.
16891 * flow.c (update_life_info): Don't call compute_bb_for_insn
16892 or free_basic_block_vars.
16893 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
16894 (insn_orig_block): Remove.
16895 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
16896 (schedule_block): Keep BLOCK_NUM up-to-date.
16897 (schedule_insns): Use compute_bb_for_insn.
16898 * recog.c (split_all_insns): Likewise.
16899 (peephole2_optimize): Likewise.
16901 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
16903 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
16904 if the pic register is used.
16906 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16908 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
16909 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
16910 if that tests TREE_PERMANENT.
16912 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
16914 * cse.c (invalidate_for_call): Do not remove memory references from
16915 the table here. It's handled elsewhere.
16917 * haifa-sched.c (add_dependence): Protect references to the
16918 true dependency cache with #ifdef INSN_SCHEDULING.
16919 (remove_dependence): Similarly.
16921 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
16922 to the cfg code that this is a return instruction.
16923 * mn10300.md (return_internal): Similarly.
16925 * combine.c (get_last_value): If the last set of a register
16926 is after subst_low_cuid, then we can not use it to determine
16927 the register's last value.
16929 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16931 * Makefile.in: Back out previous change.
16933 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
16935 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
16937 * haifa-sched.c (add_dependence): Only check/update the cache
16939 (remove_dependence): Likewise.
16940 (schedule_insns): Only create the true_dependency_cache if the
16941 average number of instructions in a basic block is very large.
16943 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16945 * Makefile.in (ggc-common.o): Depend on genrtl.h.
16946 (ggc-simple.o): Likewise.
16947 (ggc-page.o): Likewise.
16949 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
16951 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
16952 Prototype for exported functions.
16953 (pre_lcm, pre_rev_lcm): Remove prototypes.
16954 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
16955 (compute_available): Move to lcm.c, and change parameter order.
16956 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
16957 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
16958 (gcse_main): No longer call compute_preds_succs. Rebuild the
16959 set table after reach pre pass.
16960 (pre_insert_map, pre_delete_map, edge_list): New.
16961 (alloc_pre_mem): Allocate edge vectors.
16962 (free_pre_mem): Delete edge vectors.
16963 (compute_pre_data): Call new edge based lcm routines.
16964 (process_insert_insn): New function.
16965 (insert_insn_end_bb): Use it.
16966 (pre_edge_insert): New function.
16967 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
16969 (pre_insert_copies): Revamp using new edge based lcm outputs.
16970 (pre_delete): Likewise.
16971 (one_pre_gcse_pass): Insert & remove fake edges to the exit
16973 (compute_code_hoist_vbeinout): New new edge based routines.
16974 * lcm.c: Remove all the old LCM functions. Replace with new ones
16975 that work with the new cfg datastructures and work with edges
16978 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16980 * reload.h (struct reload): Add new fields "mode" and "nregs".
16981 * reload1.c: Change all occurrences of reload_mode and reload_nregs
16982 to reference the "mode" and "nregs" field within struct reload.
16984 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
16986 * haifa-sched.c (true_dependency_cache): New.
16987 (add_dependence): Use the true dependency cache to avoid expensive
16988 walks down the LOG_LINKS dependency list. Add entries to the
16989 cache as necessary.
16990 (remove_dependence): Remove entries from the true dependency cache
16992 (schedule_insns): Allocate and initialize and free the true
16995 * haifa-sched.c (schedule_insns): Do not remove inter-block
16996 dependencies anymore.
16998 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
17000 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
17001 * i386/t-winnt: Likewise.
17003 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
17005 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
17007 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
17009 * Makefile.in (LANGUAGES): Omit "proto".
17010 (clean): Remove stale comment about removing unprotoize.c.
17012 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17014 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
17015 using arithmetic on void pointers.
17017 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
17019 * haifa-sched.c (compute_block_forward_dependencies): Only check
17020 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
17022 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
17024 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
17025 (expr_equiv_p): Reject memories with different alias sets.
17027 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
17029 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
17030 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
17031 (f_options): Add "bounded-pointers" and "bounds-check" entries.
17032 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
17033 (lang_init): Set default for flag_bounds_check if still "unspecified".
17035 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17037 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
17039 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17041 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
17044 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17046 * config/c4x/c4x.md (*db_noclobber,
17047 *decrement_and_branch_until_zero_noclobber): New patterns and
17048 associated splitters.
17050 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17052 * config/c4x/c4x.md (parallel instruction patterns): Rework
17053 constraints to keep reload happy.
17055 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17057 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
17058 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
17059 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
17060 Add new patterns and associated post-reload splitters.
17062 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17064 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
17066 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17068 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
17070 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
17072 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17074 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
17077 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
17079 * pa.c (move_operand): Rely on memory_address_p to determine the
17080 validity of non-indexed memory addresses.
17081 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
17082 operand in DFmode and SFmode when generating PA2.0 code.
17084 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
17086 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
17088 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
17090 * mips.c (function_prologue): Fix argument types.
17091 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
17092 (casesi_internal): Write to the scratch register.
17094 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
17096 * cppexp.c (cpp_parse_escape): Make static. Change second arg
17098 (parse_charconst): Delete unnecessary cast when calling
17100 (cpplib.h): Kill prototype of cpp_parse_escape.
17102 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
17104 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
17105 * unroll.c (unroll_loop): Cast return value of alloca.
17106 * i370/i370.c: Include function.h and toplev.h.
17107 (i370_label_scan): Remove c++ commented abort.
17108 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
17109 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
17110 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
17111 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
17113 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
17115 * config/t-freebsd: Do not override USER_H.
17116 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
17118 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
17119 Mumit Khan <khan@xraylith.wisc.edu>
17121 * c-parse.in (component_decl): Support anonymous struct/union.
17123 * c-parse.y: Regenerate.
17124 * c-parse.c: Likewise.
17125 * objc/objc-parse.y: Likewise.
17126 * objc/objc-parse.c: Likewise.
17127 * c-decl.c (finish_struct): Don't sort the fields.
17128 (field_decl_cmp): Delete unused function.
17130 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
17132 * sparc.md (movsf_const_intreg): Revert last constraint change.
17133 (movdf_const_intreg_sp32): Likewise.
17135 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
17137 * cse.c: Include hashtab.h instead of splay-tree.h
17138 (struct cse_reg_info): No longer use variant union. Add new
17139 field "regno". All references changed to avoid union.
17140 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
17141 (free_cse_reg_info): Remove.
17142 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
17143 (get_cse_reg_info): Revamp to use expandable hash tables instead
17144 of splay trees. Initialize new fields in cse_reg_info structure.
17145 (new_basic_block): Similarly.
17147 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
17149 * genrecog.c (message_with_line): Prototype.
17150 (validate_pattern): Pass along the set for the dest, not a flag.
17151 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
17152 Check for PC/CC0 as sources.
17153 (nodes_identical): Check for children position match before
17154 allowing the combination.
17156 * rtl.c (read_rtx): Track line number across \\\n.
17158 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
17160 * mips.h (SPECIAL_MODE_PREDICATES): New.
17161 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
17162 (movdi+1, movsi+1): Add output reload constraint.
17163 (casesi_internal): Likewise. Fix commentary.
17164 (return_internal): Use pmode_register_operand.
17166 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
17168 * 1750a.md (movstrqi): Add missing output reload constraint.
17169 (call_value): Likewise.
17170 * a29k.md (cpxxx patterns): Add missing match_operator mode.
17171 (jmpfdec): Add missing inout reload constraint.
17172 * elxsi.md (addsi patterns): Add missing output reload constraint.
17173 (move from sp): Use @ alternates.
17174 (call_value): No constraint on output.
17175 * fr30.md (movsi_pop): Add missing output reload constraint.
17176 (movsf_constant_store): Likewise.
17177 (splits): Remove constraints.
17178 (subsi3): Add missing mode.
17179 * i370.md (cmpstrsi+1): Add missing output reload constraint.
17180 (call_value): Likewise.
17181 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
17182 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
17183 * m32r.md (movsicc_internal): Add output reload constraint.
17184 (movstrsi_internal): Add inout reload constraints.
17185 * m88k.h (reg_names): Don't declare.
17186 (SPECIAL_MODE_PREDICATES): New.
17187 * m88k.md (*): Use register_operand not reg_or_0_operand
17189 * mn10200.h (PREDICATE_CODES): New.
17190 * ns32k.md (ffs pattern): Add output reload constraint.
17191 * pdp11.md (sob pattern): Add inout reload constraint.
17192 * sh.md (splits): Remove constraints.
17193 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
17194 * v850.md (pattern_is_ok_for_epilogue): Likewise.
17195 * vax.md (jgequ pattern): Add inout reload constraint.
17197 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
17199 * configure.in (djgpp): Revert previous patch.
17200 * configure: Rebuit.
17201 * config/i386/djgpp.h: Revert previous patch.
17203 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
17205 * fixinc/inclhack.def: Restore patch lost during last merge of
17206 "no_bogosity" branch.
17207 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
17209 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
17211 * fixincludes: Add a HPUX 11 fix for inttypes.h.
17212 * fixinc/inclhack.def: Same.
17213 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
17215 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
17217 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
17218 as the base of a PLUS.
17220 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17222 * config/c4x/c4x.md: Define mode for remaining unspec operators.
17223 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
17225 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
17227 * pa.md (post_stw+1): Use pmode_register_operand.
17228 (dcacheflush, icacheflush): Likewise.
17230 * i386.md (movstricthi_1): Allow r/r.
17232 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
17234 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
17235 to (not (and (arg0) (arg1))). Similary for and.
17237 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
17238 fallthrough to associate code.
17239 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
17242 * combine.c (simplify_logical): Convert XOR to IOR if operands have
17243 no bits in common; remove XOR to ROTATE conversion.
17245 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17247 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
17249 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17251 * config/c4x/c4x.c (dst_operand): New.
17252 (PREDICATE_CODES): Update.
17253 * config/c4x/c4x.h (dst_operand): Declare it.
17254 * config/c4x/c4x.md: Define mode for each unspec usage.
17255 (move patterns): Use dst_operand predicate instead of src_operand.
17256 (movqi_update, movqf_update): Delete.
17258 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
17260 * recog.c (pmode_register_operand): New.
17261 * recog.h: Declare it.
17262 * genrecog.c (pred_codes): Likewise.
17263 (special_mode_pred_table): Likewise.
17264 (validate_pattern): Don't warn no mode for address_operand.
17266 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
17267 if the operand is not insn-like.
17269 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
17270 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
17272 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
17274 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
17276 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
17277 instead of general_operand in a SET_DEST. Use const_double_operand
17278 instead of an explicit test against CONST_DOUBLE.
17279 (movsf_const_lo): Add missing register mode.
17280 (goto_handler_and_restore): Add auxiliary test for Pmode.
17281 (flush): Adjust to use address_operand.
17282 (return_sf_no_fpu): Add missing output constraint.
17284 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
17286 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
17287 for call return value.
17288 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
17290 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
17292 * toplev.c (main): Only warn about options for other languages.
17293 * collect2.c (main): Pass -w to sub-gcc.
17295 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
17297 * flow.c (propagate_block): Add call-clobbered registers to
17300 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
17301 zapping mem_set_list.
17302 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
17303 (mark_set_1, mark_used_regs): Likewise.
17305 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
17307 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
17309 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17311 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
17312 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
17313 options. Also add a new item "C-only Warning Options" to the
17316 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
17318 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
17319 from multiple calls.
17321 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
17323 * i386.md (call value patterns): Move to the end of the file.
17324 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
17326 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
17328 * configure.in (djgpp configuration): Define extra_objects..
17329 * configure: Rebuilt.
17330 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
17331 (DTORS_SECTION_ASM_OP): Define.
17332 (INIT_SECTION_ASM_OP): Define.
17333 (FINI_SECTION_ASM_OP): Define.
17334 (DATA_SECTION_ASM_OP): Define.
17335 (TEXT_SECTION_ASM_OP): Define.
17336 (EH_FRAME_SECTION_ASM_OP): Define.
17337 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
17338 (STARTFILE_SPEC): Add crtbegin.o.
17339 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
17340 to here from LINK_COMMAND_SPEC.
17341 (DO_GLOBAL_CTORS_BODY): Define.
17342 (CRTSTUFF_USE_FINI_SECTION): Define
17343 (HAS_INIT_SECTION): Delete.
17345 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
17347 * Makefile.in (all.cross): Depend on xcpp$(exeext).
17349 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
17351 * pa.h (PREDICATE_CODES): New.
17353 * genrecog.c (validate_pattern): Condense the destination
17354 non-lvalue message.
17356 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
17358 * alpha.md (call-1): Supply missing mode for operator.
17359 (*): Add missing output reload constraints. Remove constraints
17360 from define_splits.
17362 * i386.h (SPECIAL_MODE_PREDICATES): New.
17363 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
17364 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
17365 (addsi_lea_3): Add missing mode for op 3.
17366 (prologue_set_got, prologue_get_pc): Add missing modes.
17367 (*) Add missing output reload constraints.
17369 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
17371 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
17372 check for member bit-size overflow and use var_size if it occurs.
17373 (layout_record): Use bitsize_int() to define the type size in bits.
17374 Likewise for computation and assignment to DECL_FIELD_BITPOS.
17375 (layout_decl): Likewise when assigning to DECL_SIZE.
17377 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
17379 * genrecog.c (validate_pattern): Typo last change. Verify
17380 that output operands have output reloads.
17382 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
17384 * genrecog.c (special_mode_pred_table): New.
17385 (NUM_SPECIAL_MODE_PREDS): New.
17386 (find_operand): New.
17387 (validate_pattern): New argument `insn'. Warn for assignment to
17388 any predicate accepting non-lvalues. Conditionaly warn for
17389 match_operand without a mode. Try much harder to match source
17390 and destination modes on a set.
17391 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
17393 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
17395 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
17397 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
17399 * combine.c (simplify_logical): Recognize xor pattern that encodes
17402 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17404 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
17407 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
17409 * ggc-page.c (MAP_FAILED): Provide default.
17411 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
17413 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
17414 * sparc.h (PREDICATE_CODES): Update.
17416 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
17418 * alpha.c (some_ni_operand): New.
17419 * alpha-protos.h: Declare it.
17420 * alpha.h (PREDICATE_CODES): Update.
17421 * alpha.md (sXaddq reload insns): Use some_ni_operand
17422 for SET_DEST instead of some_operand.
17424 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
17425 Jim Wilson <wilson@cygnus.com>
17427 * genrecog.c (maybe_both_true_2): Don't compare modes of
17429 (process_tree): Elide peephole2_insns. Invoke simplify_tests
17430 after find_afterward.
17431 (debug_decision_1): Dump next and afterward codes.
17433 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
17435 * rtl.c (dump_and_abort): Remove.
17436 (fatal_with_file_and_line): New.
17437 (fatal_expected_char): New.
17438 (read_rtx_lineno, read_rtx_filename): New.
17439 (read_skip_spaces): Track line number.
17440 (read_name): Use fatal_with_file_and_line.
17441 (read_rtx): Use fatal_expected_char. Track line number.
17442 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
17444 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
17445 if it isn't a CODE_LABEL.
17447 * genattr.c (main): Set read_rtx_filename.
17448 * genattrtab.c (main): Likewise.
17449 * gencodes.c (main): Likewise.
17450 * genconfig.c (main): Likewise.
17451 * genemit.c (main): Likewise.
17452 * genextract.c (main): Likewise.
17453 * genflags.c (main): Likewise.
17454 * genopinit.c (main): Likewise.
17455 * genoutput.c (main): Likewise.
17456 * genpeep.c (main): Likewise.
17458 * genrecog.c (decision_test.u.insn): Add `lineno'.
17459 (pattern_lineno, error_count): New variables.
17460 (message_with_line): New.
17461 (add_to_sequence): Break out checking code to ...
17462 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
17463 (merge_insn): Use message_with_line.
17464 (make_insn_sequence): Use validate_pattern. Record insn lineno.
17465 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
17467 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17469 * expr.c (store_constructor): Clear union if constructor is empty.
17471 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
17473 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
17474 Add !endian checks. Change %{...} to %(...).
17476 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
17478 * i386.md (*addsi3_cc): Renamed from addcsi3.
17479 (*addsi3_carry): Renamed from addxsi3.
17480 (*subsi3_cc): Renamed from subcsi3.
17481 (*subsi3_carry): Renamed from subxsi3.
17482 (*xorqi_cc_1): Renamed from xorcqi_1.
17483 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
17484 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
17486 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
17488 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
17489 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
17491 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
17493 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
17494 climb up the chain of insns.
17496 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
17498 * genrecog.c (write_subroutine): Careful for null trees.
17499 (process_tree): Don't elide empty functions.
17501 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
17503 * Makefile.in (genrtl.o): Depend on ggc.h.
17504 * configure.in (valloc): Probe for it.
17505 (with-gc): Use ggc-page if valloc present.
17506 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
17507 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
17508 (ggc_alloc_string): Moved from ggc-page.c.
17509 * ggc-none.c (ggc_alloc_obj): New.
17510 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
17511 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
17512 (struct globals): Likewise for dev_zero_fd.
17513 (init_ggc): Likewise for it's initialization.
17514 (ggc_allocated_p): Move careful dereference from ...
17515 (ggc_lookup_page_table): ... here. Delete.
17516 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
17517 (alloc_anon): Use valloc if no mmap.
17518 (release_pages): Use free if using valloc.
17519 (ggc_alloc_obj): Renamed from alloc_obj.
17520 (ggc_set_mark): Renamed from mark_obj.
17521 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
17522 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
17523 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
17524 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
17525 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
17526 (ggc_collect): Use fp printing instead of our own rounding.
17527 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
17528 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
17529 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
17530 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
17531 (struct ggc_string, struct ggc_any): Delete.
17532 (offsetof): Provide default definition.
17533 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
17535 (struct ggc_mem): New, from corpse of ggc_any.
17536 (struct ggc_status): Delete.
17537 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
17538 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
17539 (n_strings_collected, n_anys_collected): Delete.
17540 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
17541 (ggc_alloc_string, ggc_alloc): Delete.
17542 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
17543 (ggc_free_string, ggc_free_any): Delete.
17544 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
17545 (ggc_compare_addresses, ggc_mark_string): Delete.
17546 (ggc_mark_string_if_gcable, ggc_mark): Delete.
17547 (search_data): Delete.
17548 (struct globals): New.
17549 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
17550 (tree_insert, tree_lookup): New.
17551 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
17552 (clear_marks, sweep_objs): New.
17553 (ggc_collect): Gut. Use clear_marks, sweep_objs.
17554 (init_ggc): Set allocated_last_gc.
17555 (ggc_push_context): Gut. Use G.context.
17556 (ggc_pop_context): Likewise.
17557 (ggc_pop_context_1): New.
17558 (debug_ggc_tree): New.
17559 (debug_ggc_balance, tally_leaves): New.
17560 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
17561 (ggc_mark_string_if_gcable): Remove decl.
17562 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
17563 (ggc_mark_rtvec_children): New.
17564 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
17565 (ggc_mark_if_gcable): New decl.
17566 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
17567 (ggc_alloc_tree, ggc_alloc): Likewise.
17568 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
17569 (ggc_alloc_obj): New decl.
17570 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
17571 (ggc_alloc_tree, ggc_alloc): Likewise.
17572 (ggc_set_mark): New decl.
17573 * rtl.h (struct rtx_def): Remove gc_mark.
17574 (struct rtvec_def): Likewise.
17575 * tree.h (struct tree_common): Likewise.
17577 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
17579 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
17580 float_format and thread_file definitions.
17581 * configure: Rebuilt.
17583 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
17585 * extend.texi (Function Names): Document types of function names.
17587 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17589 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
17590 an earlyclobbered output conflict with RELOAD_INPUT reloads.
17592 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17594 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
17596 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17598 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
17600 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
17602 * collect2.c (main): Do prelimnary link on AIX if rflag.
17604 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17606 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
17607 __CTOR_LIST__ in opposite order, which is the correct order for sorted
17609 (__do_global_dtors): similarly for __DTOR_LIST__.
17611 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17612 Diego Novillo <dnovillo@cygnus.com>
17614 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
17617 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
17619 * fixincl/*: Merged "no_bogosity" branch
17620 * fixincl/fixlib.h: protect against doubly defining t_bool
17621 * fixincl/server.h: protect against doubly defining t_bool
17623 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
17625 * genoutput.c: Include toplev.h.
17627 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
17629 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
17631 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
17632 * configure: Regenerate.
17634 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
17636 * gcse.c (delete_null_pointer_checks): Returns void.
17638 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17640 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
17641 * emit-rtl.c (copy_insn_1): Likewise.
17643 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
17645 * config/mips/mips.c (mips_build_va_list): Correct
17646 TREE_CHAIN setting when hard-float.
17647 (mips_va_start): Use corrected setting.
17648 (mips_va_arg): Likewise. Also pass a tree to build of
17649 POSTINCREMENT_EXPR rather than a naked 'int'.
17651 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
17653 * ggc.h (ggc_push_context): Fix comment.
17654 (ggc_pop_context): Likewise.
17655 (mark_string_if_gcable): Likewise.
17656 * ggc-common.c (ggc_mark_rtx_children): Use
17657 ggc_mark_string_if_gcable.
17658 * ggc-page.c (ggc_lookup_page_table): New function.
17659 (ggc_allocated_p): Likewise.
17660 (mark_obj): Fix formatting.
17661 (ggc_mark_string_if_gcable): New function.
17662 * ggc-simple.c (ggc_allocated_strings): New variable.
17663 (ggc_strings_used): Likewise.
17664 (ggc_compare_addresses): New function.
17665 (ggc_pop_context): Pop the `any' memory too.
17666 (ggc_mark_string_if_gcable): New function.
17667 (ggc_collect): Initialize and tear down ggc_allocated_strings.
17669 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
17671 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
17672 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
17673 * rs6000.c (expand_block_move): Match movstrsi_?reg register
17676 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
17678 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
17679 (sched_reg_live_length, sched_reg_basic_block): Delete.
17680 (current_block_num, bb_live_regs, old_live_regs): Delete.
17681 (dead_notes, struct sometimes): Delete.
17682 (sched_note_set, birthing_insn_p): Delete.
17683 (adjust_priority): Gut useless reg lifetime code.
17684 (create_reg_dead_note, attach_deaths): Delete.
17685 (attach_deaths_insn, new_sometimes_live): Delete.
17686 (finish_sometimes_live): Delete.
17687 (find_pre_sched_live, find_post_sched_live): Delete.
17688 (update_reg_usage): Delete.
17689 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
17690 (schedule_insns): Delete reg lifetime code.
17691 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
17692 (unlink_other_notes): Adjust REG_NOTE commentary.
17693 (reemit_notes): Use REG_SAVE_NOTE.
17694 (schedule_block): Likewise.
17695 (schedule_region): Allocate bitmap of blocks in region. Use
17696 count_or_remove_death_notes. Use update_life_info.
17698 * rtl.h (REG_SAVE_NOTE): New.
17699 * rtl.c (reg_note_name): Update.
17701 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
17703 * combine.c (refresh_blocks, need_refresh): New.
17704 (combine_instructions): Allocate refresh_blocks. Invoke
17705 update_life_info if needed.
17706 (distribute_notes): Mark refresh_blocks instead of installing
17708 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
17709 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
17711 * Makefile.in (recog.o): Depend on basic-block.h.
17713 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
17715 * genrecog.c (add_to_sequence): Thinko last change: delete
17716 shadowing allow_const_int variable.
17718 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17720 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
17721 __GNUC__ and __GNUC_MINOR__.
17723 * gansidecl.h: Likewise.
17729 * toplev.h: Likewise.
17731 * tree.c: Likewise.
17733 * tree.h: Likewise.
17735 * varray.c: Likewise.
17737 * varray.h: Likewise.
17739 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17741 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
17742 use one before a jump table.
17744 * rtl.def (ADDRESS): Change documentation to match reality.
17745 * md.texi: Don't document it.
17746 * gmicro.md (load address pattern): Use 'p' constraint, delete use
17749 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
17751 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
17753 * genrecog.c (add_to_sequence): Move allow_const_int test outside
17754 known predicate block; default allow_const_int true.
17755 (debug_decision_list): New.
17757 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
17759 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
17761 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
17763 * gcse.c (gcse_main): Avoid global optimizations if we have a
17764 large number of basic blocks and the ratio of edges to blocks
17766 (delete_null_pointer_checks): Likewise.
17768 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
17770 * c-common.c (check_format_info): Warn if format string isn't a
17773 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17775 * configure.in (arm*-*-*): Don't let autoconf remove brackets
17776 * configure: regenerate
17778 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
17780 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
17781 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
17782 (peepholes): Re-enable.
17784 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
17786 * Makefile.in (flow.o): Depend on TREE_H.
17787 * basic-block.h (REG_SET_EQUAL_P): New.
17788 (XOR_REG_SET): New.
17789 (n_edges): Declare.
17790 (free_regset_vector): Remove declaration.
17791 (flow_delete_insn_chain): Declare.
17792 (enum update_life_extent): New.
17793 (update_life_info, count_or_remove_death_notes): Declare.
17794 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
17795 Verify register live at bb->global_live_at_start before adding USE.
17796 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
17797 (CLEAN_ALLOCA): New.
17799 (PROP_*): New flags.
17800 (find_basic_blocks_1): Use alloc_EXPR_LIST.
17801 (clear_edges): Zero n_edges.
17802 (make_edge): Increment n_edges.
17803 (split_edge): Don't allocate bb->local_set. Increment n_edges.
17804 (flow_delete_insn_chain): Export.
17805 (delete_block): Decrement n_edges.
17806 (merge_blocks_nomove): Likewise.
17807 (life_analysis): Give life_analysis_1 PROP flags.
17808 (verify_wide_reg_1, verify_wide_reg): New.
17809 (verify_local_live_at_start): New.
17810 (update_life_info): Rewrite to call into propogate_block.
17812 (mark_regs_live_at_end): After reload, if epilogue as rtl,
17813 always mark stack pointer. Conditionally mark PIC register.
17814 After reload, mark call-saved registers, return regsiters.
17815 (life_analysis_1): Accept PROP flags not remove_dead_code.
17816 Call mark_regs_live_at_end before zeroing regs_ever_live.
17817 Use calculate_global_regs_live. Copy global_live_at_end before
17818 calling final propagate_block. Zero reg_next_use on exit.
17819 (calculate_global_regs_live): New.
17820 (allocate_bb_life_data): Don't allocate bb->local_set.
17821 (init_regset_vector, free_regset_vector): Remove.
17822 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
17823 Test flags before every operation. Warn if prologue/epilogue insn
17824 would have been deleted.
17825 (mark_set_regs, mark_set_1): Accept and use FLAGS.
17826 Use alloc_EXPR_LIST.
17827 (mark_used_regs): Accept and use FLAGS, not FINAL.
17828 Remove special handling for RETURN.
17829 (try_pre_increment): Use alloc_EXPR_LIST.
17830 (dump_flow_info): Dump n_edges.
17831 (unlink_insn_chain, split_hard_reg_notes): Remove.
17832 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
17833 (find_insn_with_note, new_insn_dead_notes): Remove.
17834 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
17835 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
17836 (replace_insns): Remove.
17837 (count_or_remove_death_notes): New.
17838 (verify_flow_info): Abort on error after all checks.
17839 (remove_edge): Decrement n_edges.
17840 (remove_fake_edges): Tweak format.
17841 * haifa-sched.c (schedule_insns): Use split_all_insns.
17842 * output.h (update_life_info): Remove declaration.
17843 * recog.c (split_all_insns): From the corpse of split_block_insns,
17844 do the whole function block by block. Use update_life_info.
17845 (recog_last_allowed_insn): New.
17846 (recog_next_insn): Mind it.
17847 (peephole2_optimize): Set it. Walk backwards through blocks.
17848 Use update_life_info.
17849 * rtl.h (update_flow_info, replace_insns): Remove declarations.
17850 (split_all_insns): Declare.
17851 * toplev.c (rest_of_compilation): Thread prologue before flow2.
17852 Use split_all_insns.
17854 * i386.md (or -1 peep2s): Disable.
17856 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
17858 * config/mips/mips.md (movstrsi+[123]) : Combine these into
17859 a single pattern. Scrap the 'd' versions as unnecessary.
17861 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
17862 tablejump_mips162,tablejump_internal4): The operands to a
17863 label_ref must be VOIDmode.
17865 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17867 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
17869 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17871 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
17873 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17875 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
17876 cache every function if ggc_p.
17878 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17880 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
17881 instead of copy_rtx. Accept sequences that contain asm statements.
17882 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
17883 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
17884 orig_asm_operands_vector, copy_asm_operands_vector,
17885 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
17887 * rtl.h (copy_insn, copy_insn_1): Declare.
17889 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17891 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
17893 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
17894 arguments to `current_file_function_operand'.
17896 * genrecog.c: Include hard-reg-set.h and resource.h in the
17897 generated output file.
17899 * real.c: Include tm_p.h.
17901 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17903 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
17906 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
17908 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
17909 before the fctiwz insn.
17911 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17912 Mark Mitchell <mark@codesourcery.com>
17914 * tree.c (make_lang_type_fn): New funtion pointer.
17915 (make_lang_type): Call it.
17916 * tree.h (make_lang_type): Declare.
17917 (make_lang_type_fn): Likewise.
17918 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
17920 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
17922 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
17923 make sure that HIGH instructions are copied into BASE_REGS.
17925 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
17927 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
17929 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
17931 * c-decl.c (finish_struct): Use simpler method of
17932 removing elements of a singly-linked list.
17934 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
17936 * alpha.md (peephole2's): Comment out peephole2's that generate
17939 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
17941 * genrecog.c (add_to_sequence): Disable mode check for
17944 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17946 * ggc-simple.c (init_ggc): Set empty_string.
17948 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
17950 * configure.in: Detect mmap. Add --with-gc=foo to select
17951 garbage collector; default to page if mmap available.
17952 * Makefile.in (GGC): Substitute.
17954 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
17956 * c-decl.c (ggc_p): Enable.
17958 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17960 * flow.c (verify_flow_info): Make it extern & unconditionally define.
17962 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
17964 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
17965 string for little-endian-data.
17967 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
17969 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
17970 case somebody tries to compile --enable-checking code with gcc
17973 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
17975 * genrecog.c (add_to_sequence): Verify operand to label_ref is
17978 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
17980 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
17981 * jump.c (jump_optimize_1): Document why.
17983 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17985 * collect2.c (scan_prog_file, scan_libraries): Prototype function
17986 pointers and casts for `int_handler' and `quit_handler'.
17988 * flow.c (verify_flow_info, split_hard_reg_notes,
17989 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
17990 remove_edge, remove_fake_successors): Add static prototypes.
17991 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
17992 (mark_set_1): Initialize variable `regno'.
17993 (unlink_insn_chain): Likewise for variable `curr'.
17994 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
17996 * loop.c (strength_reduce): Initialize variable
17997 `unrolled_insn_copies'.
17998 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
17999 prototypes. Change these functions to take const PTR parameters
18000 to avoid prototype conflict when used as the comparson argument
18002 (check_dbra_loop): Initialize variable `comparison_val'.
18004 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
18005 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
18006 (find_valid_class): Initialize variable `best_class'.
18007 (find_reloads): Call memcpy, not bcopy.
18009 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
18010 (hard_reg_use_compare): Don't needlessly cast away const.
18011 (reload_reg_class_lower): Likewise.
18012 (choose_reload_regs): Initialize variable `regno'.
18014 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
18016 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
18018 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
18020 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
18021 ({,d}discard): Add forward declarations. Declare parameter as
18023 (main_without_main): Explicitly declare return type to be int.
18024 (memcpy): Properly declare.
18026 * libgcc2.c (toplevel): If inhibit_libc is defined and not
18027 building the trampoline support, declare malloc, free, and
18029 (__clear_cache): Mark arguments as potentially unused.
18031 * frame.c (toplevel): If inhibit_libc is defined, declare
18034 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
18036 * flow.c (make_edge): Accept an optional 2D bitmap in which
18037 to cache edge existence. Update all callers.
18038 (make_label_edge, make_eh_edge): Pass through the edge cache.
18039 (make_edges): Provide the cache.
18041 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18043 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
18045 (local_mbtowc): Change the type of variable `i' from int to size_t.
18047 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
18048 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
18050 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
18052 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
18053 after other includes that define the appropriate types. Include
18054 tm_p.h for getting user prototypes.
18055 * ggc-callbacks.c (toplevel): Ditto.
18056 * ggc-none.c (toplevel): Ditto.
18057 * gcc-page.c (toplevel): Ditto.
18058 * ggc-simple.c (toplevel): Ditto.
18060 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
18061 Jonathan Larmour <jlarmour@cygnus.co.uk>
18063 * config/mips/mips.c (mips_move_2words): Split doubles if
18064 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
18066 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
18068 * genrecog.c (struct decision_test): New.
18069 (struct decision): Remove test-related members, sort the rest by size.
18070 (IS_SPLIT): Simplify.
18071 (new_decision, new_decision_test): New.
18072 (add_to_sequence): Use them. No special handling for args of
18074 (maybe_both_true): Renamed from not_both_true; return sense changed.
18075 (maybe_both_true_1, maybe_both_true_2): New. Broken out
18076 of maybe_both_true and adjusted for decision_test.
18077 (position_merit): Remove.
18078 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
18079 (merge_accept_insn): New, broken out of merge_trees.
18080 (merge_trees): Use them. No special case for c_test; no node
18081 splitting; use test type instead of position_merit.
18082 (factor_tests): New.
18083 (simplify_tests): New.
18084 (break_out_subroutines): Don't write code now.
18085 (find_afterward): New.
18086 (write_afterward, write_switch, write_cond): New.
18087 (write_action, is_unconditional): New.
18088 (write_node): New. Use them.
18089 (write_tree_1): Rewrite. Use the new functions above.
18090 (write_tree): Remove afterward processing.
18091 (write_subroutine): Simplify function variant emission.
18092 (write_subroutines): New.
18093 (same_codes, clear_codes): Remove.
18094 (same_modes, clear_modes): Remove.
18095 (write_header): New, broken out of main.
18096 (make_insn_sequence): Use new_decision and new_decision_test.
18097 (process_tree): New, broken out of main.
18098 (main): Adjust for merge_trees interface change.
18099 Don't #define operands in the output file.
18100 (record_insn_name): New, broken out of make_insn_sequence.
18101 (debug_decision_2, debug_decision_1, debug_decision_0): New.
18102 (debug_decision): New.
18104 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
18106 * resource.c (find_free_register): Mark class_str argument const.
18107 * resource.h: Update prototype to match.
18109 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
18110 * i386.md: Give all anonymous insns names.
18112 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
18114 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
18117 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
18119 * toplev.c (dbr_sched_time): Unconditional.
18120 (peephole2_time): New.
18121 (compile_file): Add pass numbers to all of the dump file suffixes.
18122 Dump peephole2_time. Don't dump times for non-applicable passes.
18123 (rest_of_compilation): Add pass numbers to dump file suffixes.
18124 Conditionalize calls to the scheduler.
18125 * invoke.texi: Update.
18127 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
18129 * flow.c (make_edges): Fix insn iteration.
18130 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
18131 (find_basic_blocks_1): Fix spelling mistake.
18133 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
18135 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
18136 always have side-effects. Use memset not bzero.
18137 (make_node): Likewise.
18139 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
18141 * stmt.c (expand_anon_union_decl): When any of the elements of the
18142 union is addressable, so is the entire union.
18144 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
18146 * sbitmap.c (sbitmap_ones): Don't set too many bits.
18148 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
18149 * bitmap.c (bitmap_operation): Return true iff TO changed.
18150 (bitmap_equal_p): New.
18151 (bitmap_bit_p): Tidy arithmetic.
18152 (debug_bitmap_file): Likewise.
18154 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
18156 * toplev.c (rest_of_compilation): Turn on cse_not_expected
18157 before cse2 instead of after.
18159 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
18161 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
18164 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18166 * cppinit.c (is_idchar initializer): Loosen tests to accept
18169 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
18171 * mips.md: Define conditional move patterns for floating point
18172 operands and DI mode conditions.
18174 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
18176 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
18177 always have side-effects.
18179 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
18181 * mn10200.c (asm_file_start): Fix typo.
18183 * cppinit.c (is_idchar initializer): Tighten tests for when
18184 to put the table into initialized memory.
18186 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
18187 not an array of rtunion.
18188 * gcc-page.c (ggc_alloc_rtvec): Similarly.
18189 * gcc-simple (ggc_free_rtvec): Similarly.
18191 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
18194 * mbchar.h: Add missing #endif.
18196 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
18197 (FPBIT, DPBIT): Define.
18199 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18201 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
18203 * profile.c (instrument_arcs, output_gcov_string,
18204 tablejump_entry_p): Add static prototypes.
18205 (output_gcov_string): Constify a char*.
18207 * regmove.c (replacement_quality, fixup_match_2): Add static
18210 * resource.h (reg_dead_p): Add extern prototype.
18212 * rtl.c (trim_filename): Add static prototype.
18214 * scan-decls.c (skip_to_closing_brace): Likewise.
18216 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
18217 (expand_end_case): Initialize variable `range'.
18218 (emit_case_nodes): Remove unused prototype `rtx_fn'.
18220 * varasm.c (asm_emit_uninitialised): Add static prototype.
18221 (asm_emit_uninitialised, assemble_variable): Mark parameter with
18224 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18226 * cpplib.c (if_directive_nameo): Add static prototype.
18228 * cse.c (cse_insn): Remove unused variable `p'.
18230 * except.c (create_rethrow_ref, push_entry,
18231 receive_exception_label, new_eh_region_entry, find_func_region,
18232 clear_function_eh_region, process_nestinfo): Add static prototypes.
18233 (get_reg_for_handler): Hide definition.
18234 (process_nestinfo): Initialize variable `extra_handlers'.
18236 * expr.h (expand_builtin_longjmp): Add extern prototype.
18238 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
18240 * function.c (prepare_function_start): Likewise.
18241 (pop_function_context_from): Mark parameter `context' with
18243 (push_temp_slots_for_block, flush_addressof): Hide definition.
18245 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
18246 solve_program_flow_graph, calculate_branch_probs,
18247 function_summary, main, fancy_abort): Add prototypes.
18249 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
18250 (add_hash): Constify a char*.
18252 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
18253 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
18254 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
18256 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
18258 * lists.c (free_list, zap_lists): Likewise.
18260 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18262 * alias.c (nonlocal_reference_p): Add static prototype.
18264 * bitmap.c (bitmap_element_allocate): Prototype args in function
18267 * builtins.c (stabilize_va_list): Add static prototype.
18268 (expand_builtin_va_arg): Constify a char*.
18270 * c-lex.c (getch, put_back, extend_token_buffer_to,
18271 read_line_number, token_getch, token_put_back): Add static
18274 * c-parse.gperf (hash, is_reserved_word): Likewise.
18276 * cccp.c (is_dir_separator): Likewise.
18278 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18280 * graph.h: New file to prototype functions exported by graph.c.
18282 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
18284 * graph.c: Include graph.h.
18286 * toplev.c: Likewise. Remove redundant prototypes.
18288 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
18290 * invoke.texi: Removed duplicated description for -Q.
18292 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
18294 * extend.texi: Grammar fix in __extension__ text.
18296 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
18298 * md.texi (define_peephole2): New section.
18300 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
18302 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
18303 (mov $-1 to or peepholer): Enable for pentium when optimizing for
18306 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
18308 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
18310 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
18312 * i386.md (ffs expander): Emit Pentium friendly code for
18315 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
18317 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
18319 (build1): Likewise.
18321 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18323 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
18325 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
18327 * config/m68k/m68k.c (use_return_insn): Return false if the pic
18328 register is in use.
18330 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18332 * md.texi (No Constraints): Delete section.
18333 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
18334 * final.c (final_scan_insn): We always have register constraints.
18335 * genattrtab.c: Don't include "insn-config.h".
18336 (write_attr_case): We always have register constraints.
18337 * genconfig.c (register_constraint_flag): Delete.
18338 (walk_insn_part): Don't check whether we have register constraints.
18339 (main): Don't write out "#define REGISTER_CONSTRAINTS".
18340 * genoutput.c (have_constraints): Delete.
18341 (main): Don't set it.
18342 (output_operand_data): We always have constraints.
18343 (scan_operands): Likewise.
18344 (compare_operands): Likewise.
18345 * local-alloc.c (block_alloc): We always have constraints.
18346 (requires_inout): Always compile this function.
18347 * recog.c (extract_insn): We always have constraints.
18348 (constrain_operands, reg_fits_class_p): Always compile these
18350 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
18352 (struct insn_operand_data): Likewise.
18353 * regclass.c (regclass): We always have constraints.
18354 (record_reg_classes, copy_cost, record_address_regs,
18355 auto_inc_dec_reg_p): Always compile these functions.
18356 * regmove.c (regmove_optimize): We always have constraints.
18357 * reload.c (find_reloads): Likewise.
18358 * reload1.c (reload): Likewise.
18359 (reload_cse_simplify_operands): Likewise.
18360 * i860.c (output_delay_insn): Likewise.
18362 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
18364 * iris6.h (BUILD_VA_LIST_TYPE): Define.
18366 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18368 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
18369 for the va_list record.
18371 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
18373 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
18376 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
18378 * alias.c: Include insn-flags.h.
18379 * Makefile.in (alias.o): Update.
18381 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
18383 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
18384 to LTU and GEU. Handle more cases using sbb.
18386 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
18388 * i386.md (truncatexfdf splitters): Do not use subreg.
18389 (fop XFmode patterns): Fix mode in operand testing.
18391 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
18393 * jump.c (jump_optimize_1): Amend last change to test only the
18394 form of the operand, not the insn.
18396 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
18397 not register_operand to determine when B may need preloading.
18399 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
18401 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
18402 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
18403 (call-value patterns): Move to end of file.
18404 (*): Remove mode from label_ref in (pc) context.
18405 (movstrqi): Use memory not general_operand for BLKmode operands.
18406 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
18407 to register_operand operands.
18408 (peep2 patterns): Convert from commented-out peephole patterns.
18410 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18412 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
18413 to BUILT_IN_INIT_DWARF_REG_SIZES.
18414 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
18415 Renamed from BUILT_IN_DWARF_REG_SIZE; call
18416 expand_builtin_init_dwarf_reg_sizes.
18417 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
18418 with __builtin_init_dwarf_reg_size_table.
18419 * dwarf2out.c (struct reg_size_range): Delete.
18420 (expand_builtin_init_dwarf_reg_sizes): New function.
18421 (expand_builtin_dwarf_reg_size): Delete.
18422 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
18423 (expand_builtin_dwarf_reg_size): Don't declare.
18424 * libgcc2.c (dwarf_reg_size_table_initialized): New.
18425 (dwarf_reg_size_table): New.
18426 (init_reg_size_table): New function.
18427 (copy_reg): Use dwarf_reg_size_table.
18428 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
18431 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
18433 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
18434 Correctly build argument list to constructor and destructor functions.
18436 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
18438 * c-tree.h (warn_float_equal): Declare.
18439 * c-decl.c (warn_float_equal): Define.
18440 (c_decode_option): Recognize -W[no-]float-equal.
18441 * c-typeck.c (build_binary_op): Conditionally warn
18442 about equality tests of floating point types.
18443 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
18444 * invoke.texi: Add docs for -Wfloat-equal warning.
18446 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
18448 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
18449 generating RTL directly.
18450 * mips.h (INIT_TARGET_OPTABS): Likewise.
18451 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
18453 * expr.h (init_mov_optab): Delete declaration
18455 * h8300.c (WORD_REG_USED): Update to avoid useless register
18456 saves in interrupt functions and functions which never return.
18458 * cse.c (struct set): Delete inner_dest_loc field.
18459 (cse_insn): Remove assignments to inner_dest_loc field.
18461 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
18463 * ggc-page.c: Don't include <unistd.h> etc taken care of
18464 by "system.h". Include <sys/mman.h> afterward.
18466 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
18468 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
18471 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
18473 * xcoffout.c (xcoffout_declare_function): Add documentation.
18474 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
18475 TARGET_64BIT. Compare constant to -1, not bit pattern.
18476 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
18477 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
18480 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
18482 * dwarf2out.c (add_abstract_origin_attribute): Abort if
18483 origin_die is NULL.
18484 (gen_inlined_enumeration_type_die): Do not abort if the type has
18485 not been writeen out.
18486 (gen_inlined_structure_type_die): Do not abort if the type has
18487 not been writeen out.
18488 (gen_inlined_union_type_die): Do not abort if the type has
18489 not been writeen out.
18490 (gen_tagged_type_instantiation_die): Do not abort if the type
18491 has not been written out.
18493 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18495 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
18497 * reg-stack.c (straighten_stack): Copy hard reg set with
18500 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
18502 * builtins.c (stabilize_va_list): Stabilize array type va_list
18503 to a pointer type, not the base record type.
18504 (expand_builtin_va_copy): Dereference the pointers explicitly;
18505 use the correct size for the copy.
18507 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
18508 (rs6000_va_arg): Likewise.
18510 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
18512 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
18514 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
18516 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
18518 (DECL_BUILT_IN_CLASS): Adjust accordingly.
18520 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
18522 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
18523 (init_ggc): Use it instead of a constant.
18524 (ggc_collect): Bound allocated_last_gc by it.
18526 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
18528 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
18531 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
18533 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
18534 (mips*-*-openbsd*): Let big endian configuration be a fragment.
18535 * configure: Regen.
18536 * config/mips/openbsd.h: New, OpenBSD little endian target.
18537 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
18538 * config/mips/xm-openbsd.h: New, OpenBSD host.
18540 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
18542 * config/m68k/m68k.c (output_function_prologue,
18543 output_function_epilogue): Use
18544 current_function_uses_pic_offset_table instead of regs_ever_live
18545 to decide whether to save/restore pic register.
18546 (legitimize_pic_address): Don't modify regs_ever_live any more.
18548 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
18550 * function.h (struct function): Add x_dont_save_pending_sizes_p.
18551 * stor-layout.c (variable_size): Don't add sizes to the pending
18552 sizes list if x_dont_save_pending_sizes_p is set.
18554 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
18556 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
18557 for symbolic_operand().
18558 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
18560 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18562 * combine.c (gen_rtx_combine): Add missing call to va_end().
18564 * final.c (asm_fprintf): Likewise.
18566 * genattrtab.c (attr_rtx): Likewise.
18568 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
18570 * cse.c: Update comments.
18571 (cse_insn): When converting a conditional/computed jump into
18572 an unconditional jump, always make sure a BARRIER immediately
18573 follows the converted jump. Do not delete unreachable code.
18574 (cse_basic_block): Do not delete unreachable code.
18575 * toplev.c (rest_of_compilation): Move call to
18576 delete_trivially_dead_insns after the conditional call to
18579 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18581 * collect2.c (make_temp_file): Don't prototype.
18583 * gcc.c (make_temp_file): Likewise.
18585 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
18587 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
18589 * varasm.c (asm_emit_uninitialised): New function: Generate
18590 the assembler statements necessary to declare an uninitialised
18592 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
18594 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
18595 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
18597 (assemble_variable): Use asm_emit_uninitialised to emit an
18598 uninitialised variable.
18600 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
18602 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
18603 constant on a 64 bit host. Patch supplied by Geoffrey Keating
18604 <geoffk@cygnus.com>.
18606 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18608 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
18609 * c-common.h (builtin_function): Don't declare.
18611 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
18613 (pushdecl): Likewise.
18614 (finish_decl): Likewise.
18615 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
18616 int. All callers changed.
18617 Set the builtin's DECL_BUILT_IN_CLASS.
18618 * tree.h (enum built_in_class): New.
18619 (enum built_in_function): Delete NOT_BUILT_IN.
18620 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
18622 (DECL_SET_FUNCTION_CODE): Likewise.
18623 (DECL_BUILT_IN_CLASS): New macro.
18624 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
18625 (struct tree_decl): Split builtin function code field into a
18627 (builtin_function): Declare.
18629 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
18631 * optabs.c (init_traps): Fix typo in last change.
18633 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
18635 * toplev.c (rest_of_decl_compilation): Update comment.
18637 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18639 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
18640 in .sbss if appropriate.
18641 (EXTRA_SECTION_FUNCTIONS): Add sbss.
18642 (SBSS_SECTION_ASM_OP): New macro.
18643 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
18644 (EXTRA_SECTIONS): Add in_sbss.
18645 * config/mips/mips.h: Prototype sbss_section.
18647 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
18649 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
18652 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
18654 * optabs.c (init_traps): Register trap_rtx as a GC root.
18656 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18658 * config/mips/mips.c (function_arg_pass_by_reference): Define
18659 unconditionally, since it's called unconditionally.
18661 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
18663 * toplev.c (documented_lang_options): Add -fshort-wchar.
18664 * c-decl.c (c_decode_option): Likewise.
18665 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
18667 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
18668 * gcc.c (default_compilers): If -fshort-wchar,
18669 override __WCHAR_TYPE__.
18670 * tm.texi (C Dialect Options): Add -fshort-wchar.
18672 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
18673 symbol for a variable.
18675 * cpplib.h (CPP_PREPROCESSED): New macro.
18676 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
18677 we're seeing this input for a second time.
18679 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
18681 * emit-rtl.c (init_emit_once): Initialize modes first.
18683 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
18685 * config/i386/i386.c (pic_label_name): Change to char pointer.
18686 (global_offset_table): New variable.
18687 (load_pic_register): Fill global_offset_table if it hasn't
18688 already been done. Allocate pic_label_name dynamically.
18689 * ggc.h (empty_string): New variable.
18690 * ggc-simple.c (empty_string): Likewise.
18691 (init_ggc): Allocate empty_string and add as root.
18692 * stmt.c (digit_strings): New variable.
18693 (init_stmt): Add last_block_end_note as root. Allocate and
18694 initialize digit_strings.
18695 (expand_asm_operands): Use empty_string instead of string
18696 constant. Use digit_strings instead of string constants.
18697 * profile.c (init_arc_profiler): Allocate string with
18698 ggc_alloc_string instead of xmalloc.
18699 (output_func_start_profiler): Likewise.
18700 * c-typeck.c (digest_init): Check if init is error_mark_node.
18702 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
18703 Richard Henderson <rth@cygnus.com>
18705 * ggc-page.c: New file.
18706 * Makefile.in (ggc-page.o): New.
18708 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
18710 * invoke.texi: Document -fdelete-null-pointer-checks
18711 * toplev.c (flag_delete_null_pointer_checks): New.
18712 (f_options): Add entry for -fdelete-null-pointer-checks.
18713 (rest_of_compilation): Conditionalize null pointer check
18714 elimination on flag_delete_null_pointer_checks.
18715 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
18717 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
18719 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
18720 copyright notice and special exception to GPL.
18722 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18724 * abi64.h (mips_function_value): Add prototype arguments.
18726 * mips-protos.h: New file with mips prototypes.
18728 * mips.c: Include "tm_p.h".
18729 (mktemp, lookup_name): Add prototype arguments.
18730 (extern_list, string_constant, mips_fill_delay_slot,
18731 mips_output_external, mips_output_external_libcall,
18732 mips_output_filename, mips_declare_object, function_prologue,
18733 mips_expand_prologue, function_epilogue, mips16_constant,
18734 build_mips16_function_stub, mips_output_conditional_branch):
18736 (mips_va_start): Remove unused variable `u'.
18737 (mips_va_arg): Cast value to unsigned when comparing against one.
18739 (save_restore_insns, mips_expand_prologue): Add missing arg in
18740 call to `large_int'.
18742 * mips.h: Move prototypes to mips-protos.h.
18743 (data_section, memory_address_p, rdata_section,
18744 readonly_data_section, simple_epilogue_p, text_section): Delete
18745 prototypes delcared elsewhere.
18746 (mips_epilogue_delay_slots, print_options): Delete unused decls.
18748 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
18750 * mips.md: Delete extra args in call to `mips_move_2words'.
18752 * xm-iris6.h (alloca): Add prototype argument.
18754 * genpeep.c: Include "tm_p.h" in generated output file.
18756 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18758 * basic-block.h (find_edge_index): Change parameters.
18759 * flow.c (verify_edge_list): Pass basic_block parameters to
18760 find_edge_index instead of integers.
18762 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
18764 * combine.c (simplify_comparison): Use an unsigned shift to adjust
18767 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
18769 * gcc.1: Fix a formatting error.
18771 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18773 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
18774 i786, mn10200, mn10300, pdp11, v850.
18776 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
18778 * libgcc2.c (num_digits): Add prototype with
18779 __attribute__((const)).
18780 (__terminate): Add prototype.
18782 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
18784 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
18786 * alpha/alpha.c (print_operand): Fix type of `code'.
18787 (alpha_output_filename): Constify.
18788 * alpha/alpha.h: Move all function declarations ...
18789 * alpha/alpha-protos.h: ... here. New file.
18790 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
18791 (SECTION_FUNCTION_TEMPLATE): Likewise.
18793 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18795 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
18796 * expr.c (expand_expr): Likewise.
18797 (do_jump): Likewise.
18798 (do_store_flag): Pass ccp_store_flag to can_compare_p.
18799 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
18801 (enum can_compare_purpose): New.
18802 (can_compare_p): Adjust prototype.
18803 (prepare_cmp_insn, prepare_operand): Declare.
18804 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
18805 * optabs.c (cmp_available_p): Deleted.
18806 (expand_abs): Pass ccp_jump to can_compare_p.
18807 (can_compare_p): New arg PURPOSE. Check for combined optabs.
18808 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
18809 Call can_compare_p rather than cmp_available_p.
18810 (prepare_operand): No longer static.
18811 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
18812 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
18813 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
18814 sequence to use emit_cmp_and_jump_insns.
18815 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
18817 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
18819 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
18820 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
18821 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
18822 (plus (reg) (const_int 0))
18823 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
18825 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
18827 * rs6000.c (expand_block_move): DImode loads and stores require
18828 word-aligned displacements. Increment address registers with
18829 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
18831 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
18833 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
18834 is no name for the base type, rather than segfault. If we are
18835 writing out a complex integer type, use DW_ATE_lo_user.
18837 * expr.c (emit_move_insn_1): If we are copying a complex that fits
18838 in one word or less (complex char, complex short, or on 64 bit
18839 systems complex float) to/from a hard register, copy it through
18840 memory instead of dying in gen_{real,imag}part. If we have a
18841 short complex type, prevent inlining since it allocates stack
18844 * tree.c (build_complex_type): If we are writing dwarf2 output,
18845 generate a name for complex integer types.
18847 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18849 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
18850 * flow.c (remove_edge): Remove extra whitespace.
18851 (remove_fake_edges): Fix comment.
18852 (add_noreturn_fake_exit_edges): Use the correct name.
18854 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
18856 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
18857 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
18858 (clean): Depend on INTL_CLEAN.
18859 (maintainer-clean): Adjust.
18861 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18863 * configure.in (AC_PREREQ): Bump to 2.13.
18864 (AC_C_STRINGIZE): Call this instead of using a custom macro.
18866 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
18868 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
18870 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
18872 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
18873 (HAVE_STRINGIZE): Define.
18875 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
18877 * c-parse.in: save and restore warn_pointer_arith on __extension__
18878 along with pedantic.
18879 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
18880 Set the type of extension to itype rather than $<itype>1 kludge.
18881 * extend.texi (Alternate Keywords): Adjust documentation.
18882 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
18884 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
18886 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
18887 most assembler templates.
18889 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
18890 FP loads and stores.
18891 (following_call): Always return zero for the PA8000.
18892 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
18893 FP loads and stores.
18894 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
18896 * pa.h (BRANCH_COST): Define.
18898 * pa.md (return, return_internal): Use bve for PA2.0.
18900 * pa.md (fused multiply): Add variants which reduce height for the
18901 fused multiply, but which still generate 2 insns.
18902 (fnegabs): Similarly.
18904 * pa.md (subsi3): Turn into an expander. Create two anonymous
18905 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
18906 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
18908 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
18910 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
18912 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
18913 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
18915 * regclass.c (init_regs): Add "top_of_stack" as a garbage
18918 * flow.c (record_active_eh_regions): Terminate loop after finding
18919 the last insn in the last basic block.
18921 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18923 * config/c4x/c4x.md: Delete parallel instruction peepholes.
18925 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18927 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
18929 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18931 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
18932 splitting to not use output template.
18934 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18936 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
18937 * config/c4x/c4x.c (c4x_va_start): New function.
18939 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
18941 * genrecog.c (not_both_true): Handle correctly cases when called for
18942 tests with different positions in the insn.
18944 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18946 * machmode.h (HOST_PTR_PRINTF): Move from here ...
18948 * system.h (HOST_PTR_PRINTF): ... to here.
18950 * mips-tfile.c: Don't include machmode.h.
18952 * Makefile.in (MACHMODE_H): New variable. Update to use it.
18953 (mips-tfile.o): Don't depend on machmode.h.
18955 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18957 * haifa-sched.c (sched_analyze): Rename local variable `region' to
18958 avoid conflicts with typedef struct `region' at the top level scope.
18960 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
18962 * basic-block.h (basic_block): Add eh_beg, eh_end.
18963 * flow.c (entry_exit_blocks): Update.
18964 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
18965 Call new functions.
18966 (find_basic_blocks_1): Don't record eh_list at each bb. Use
18967 lists.c functions to allocate insn lists.
18968 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
18970 (make_eh_edge): ... here. New.
18971 (move_stray_eh_region_notes): New.
18972 (record_active_eh_regions): New.
18973 (delete_unreachable_blocks): Split out block merging ...
18974 (try_merge_blocks): ... here. New.
18975 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
18976 Dump debugging data.
18977 (merge_blocks_move_successor_nojumps): Likewise.
18978 (merge_blocks): Use eh_beg+eh_end to validate block movement.
18980 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18982 * extend.texi (Bound member functions): Document unbound pmf
18985 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18987 * flow.c (split_edge): Handle insertion on a fallthrough edge which
18988 has the EXIT_BLOCK as a dest.
18990 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18992 * flow.c (remove_edge): New function to remove an edge from the
18994 (remove_fake_successors): New function to remove fake successor edges.
18995 (remove_fake_edges): New function to remove all fake edges from the
18997 (add_fake_exit_edges): New function to add fake edges from all blocks
18998 with no successors to the exit block.
18999 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
19000 prototypes for new functions.
19002 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19004 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
19005 Use Pmode to determine whether to output .dword or .word.
19007 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
19009 * tree.c (built_in_filename): New variable.
19010 (BUILT_IN_FILENAME): New macro.
19011 (init_tree_codes): Allocate built_in_filename.
19012 (make_node): Use built_in_filename instead of string constant.
19014 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
19016 * configure.in: Add fr30 target.
19017 * configure: Regenerate.
19018 * config/fr30: New directory.
19019 * config/fr30/crti.asm: New file.
19020 * config/fr30/fr30.c: New file.
19021 * config/fr30/crtn.asm: New file.
19022 * config/fr30/fr30.h: New file.
19023 * config/fr30/fr30.md: New file.
19024 * config/fr30/lib1funcs.asm: New file.
19025 * config/fr30/t-fr30: New file.
19026 * config/fr30/xm-fr30.h: New file.
19028 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
19030 * flow.c (merge_blocks_move_successor_nojumps): Delete the
19031 BARRIER at the end of the successor, not the BARRIER before
19034 * pa.c (pa_add_gc_roots): Fix thinko in last change.
19036 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
19038 * stmt.c (any_pending_cleanups): Don't crash when
19039 current_function->stmt is unset.
19041 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19043 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
19044 other initializations that may use it for relative offsets.
19046 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19048 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
19049 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
19050 * config/i386/sol2dbg.h: Removed.
19051 * config/i386/sol2gas.h: New file, to enable gas work-around.
19052 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
19053 Don't use sol2dbg.h.
19054 * configure: Rebuilt.
19056 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
19058 * invoke.texi (-fthis-is-variable): Remove documentation.
19060 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
19062 * basic-block.h (compute_bb_for_insn): Declare.
19063 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
19064 to use; set size of basic_block_for_insn directly.
19065 (find_basic_blocks): Update.
19067 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19069 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
19071 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19073 * crtstuff.c (ON_EXIT): Delete empty macro definition.
19074 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
19076 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
19078 * c-decl.c (c_decode_option): Extend comment.
19080 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
19082 * toplev.c (progname): Make 'const char *'
19083 (flag_print_mem): Move out of main.
19084 (version_flag): Move out of main.
19085 (filename): Move out of main.
19086 (debug_args): Remove g prefix from options.
19087 (documented_lang_options): Remove cpplib specific options.
19088 (display_help): Add g prefix to debug options.
19089 (check_lang_option): Delete this function.
19090 (decode_d_option): New function: Decode -d... option.
19091 (decode_f_option): New function: Decode -f... option.
19092 (decode_W_option): New function: Decode -W... option.
19093 (decode_g_option): New function: Decode -g... option.
19094 (independent_decode_option): New function: Decode a language
19095 independent command line option.
19096 (main): Invoke lang_decode_option and then
19097 independent_decode_option on each command line option in
19100 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
19102 Revert this change. Gavin's patch to operand_equal_p is a better fix.
19103 * fold-const.c (fold_range_test): Do not try to fold the range
19104 test if the rhs or lhs has side effects.
19106 * basic-block.h (compute_flow_dominators): Declare.
19108 * gcse.c (alloc_code_hoist_mem): New function.
19109 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
19110 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
19111 (hoist_code, one_code_hoisting_pass): Likewise.
19112 (gcse_main): If optimizing for size, then hoist expressions
19113 computed in multiple dominated basic blocks.
19115 * gcse.c (invalid_nonnull_info): New function.
19116 (delete_null_pointer_checks): Likewise.
19117 * rtl.h (delete_null_pointer_checks): Declare.
19118 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
19120 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
19121 (merge-blocks_move_successor_nojumps): Likewise.
19122 (merge_blocks): Allow merging of some blocks, even if it requires
19123 physical movement of the blocks, but not if it requires new jumps.
19125 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
19126 Callers and prototype changed.
19127 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
19129 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19131 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
19132 -YP when both -p and -pg are present. From i386/sol2.h.
19134 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19136 * Makefile.in (distclean): Delete tm_p.h.
19137 * configure.in: Create a new file, "tm_p.h", from a list in
19138 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
19139 "i386/i386-protos.h".
19141 * alias.c: Include "tm_p.h".
19142 * c-typeck.c: Likewise.
19143 * calls.c: Likewise.
19145 * emit-rtl.c: Likewise.
19146 * explow.c: Likewise.
19147 * expmed.c: Likewise.
19148 * expr.c: Likewise.
19149 * final.c: Likewise.
19150 * flow.c: Likewise.
19151 * fold-const.c: Likewise.
19152 * function.c: Likewise.
19153 * gcse.c: Likewise.
19154 * global.c: Likewise.
19155 * haifa-sched.c: Likewise.
19156 * integrate.c: Likewise.
19157 * jump.c: Likewise.
19158 * local-alloc.c: Likewise.
19159 * loop.c: Likewise.
19160 * optabs.c: Likewise.
19161 * recog.c: Likewise.
19162 * reg-stack.c: Likewise.
19163 * regclass.c: Likewise.
19164 * regmove.c: Likewise.
19165 * reload.c: Likewise.
19166 * reload1.c: Likewise.
19167 * reorg.c: Likewise.
19168 * resource.c: Likewise.
19169 * stmt.c: Likewise.
19170 * stor-layout.c: Likewise.
19171 * toplev.c: Likewise.
19172 * tree.c: Likewise.
19173 * unroll.c: Likewise.
19174 * genattrtab.c (main): Make generated file include "tm_p.h".
19175 * genemit.c (main): Likewise.
19176 * genoutput.c (main): Likewise.
19177 * genrecog.c (main): Likewise.
19179 * i386.h: Delete all prototypes.
19180 * i386.c: Include "tm_p.h".
19181 (ix86_attr_length_default): Call constant_call_address_operand
19182 with correct number of arguments.
19183 * i386-protos.h: New file.
19184 * i386.md (unnamed patterns): Call constant_call_address_operand
19185 with correct number of arguments.
19186 (exception_receiver): Call load_pic_register with correct number
19189 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
19191 * c-pragma.c (mark_align_stack): Dereference the void* properly.
19193 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
19195 * rtl.h (insns_safe_to_move_p): New function.
19196 * loop.c (find_and_verify_loops): Use it.
19197 * rtlanal.c (insns_safe_to_move_p): Define it.
19199 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
19201 * c-pragma.c: Include ggc.h.
19202 * Makefile.in (c-pragma.o): Update.
19204 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19206 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
19207 (LIB_SPEC): Likewise.
19208 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
19209 Reindent -YP/-p/-pg.
19210 Copied from config/sparc/sol2.h.
19212 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
19214 * c-pragma.c (mark_align_stack): New.
19215 (init_pragma): New.
19216 * c-pragma.h (init_pragma): Declare it.
19217 * c-lex.c (init_parse): Call it.
19219 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19221 * configure.in: Pick up thread library on Solaris/x86 just
19222 like on Solaris/sparc.
19223 * configure: Rebuilt.
19225 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
19227 * rtl.h (global_rtx_index): New enum.
19228 (global_rtl): Change to array of rtx.
19229 (pc_rtx, cc0_rtx): Redefine accordingly.
19230 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
19231 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
19232 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
19233 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
19234 (const_int_rtx): Change to array of rtx.
19235 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
19237 * emit-rtl.c (global_rtl): Change to array of rtx.
19238 (const_int_rtx): Change to aray of rtx.
19239 (gen_rtx_CONST_INT): Redefine accordingly.
19240 (init_emit_once): Allocate and initialize global_rtl. Likewise
19241 for const_int_rtx. Add both as GC roots.
19242 * genattrtab.c (global_rtl): Update declaration.
19244 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
19246 * Makefile (USER_H): Add iso646.h back.
19248 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
19250 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
19251 zapping the LOG_LINKS of sched_before_next_call.
19253 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
19254 * pa.c (insn_refs_are_delayed): Renamed from
19255 insn_sets_and_refs_are_delayed.
19257 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
19259 * functiion.h (struct function): Add x_whole_function_mode_p.
19260 (retrofit_block): Declare.
19261 * function.c (retrofit_block): New function.
19262 (identify_blocks): Add assertions. Allow an incomplete set of
19263 block notes if we're still generating code for the function.
19264 * integrate.c: Include loop.h.
19265 (expand_inline_function): Call find_loop_tree_blocks to map block
19266 notes to blocks when in whole-function mode. Use retrofit_block
19267 to insert new BLOCKs for the inlined function, rather than
19269 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
19270 * Makefile.in (integrate.o): Depend on loop.h.
19272 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
19274 * tree.h (warn_about_unused_variables): Declare.
19275 * stmt.c (warn_about_unused_variables): New function, split out
19277 (expand_end_bindings): Here.
19279 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
19281 * stmt.c (preserve_subexpressions_p): Don't crash when
19282 current_function->stmt is unset.
19284 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
19286 * stmt.c (expand_start_bindings): Allow callers to pass a flag
19287 indicating that no NOTE_INSN_BLOCK_BEG note is required.
19288 (expand_start_target_temps): Use it.
19289 * except.c (expand_eh_region_start_for_decl): Likewise.
19290 * expr.c (expand_expr): Likewise.
19292 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
19294 * fold-const.c (operand_equal_p): Pay attention to side effects.
19296 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
19298 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
19299 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
19301 * tlink.c (scan_linker_output): Look for keywords before accepting
19302 a mangled name in quotes.
19304 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
19306 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
19307 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
19309 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
19311 * alpha.md: Revert Thu Nov 26 change that came in through the
19312 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
19313 Avoid earlyclobber when possible.
19315 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19317 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
19319 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
19320 Define HAVE_ON_EXIT.
19322 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19324 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
19325 CTYPE_CONV in all ctype macros.
19327 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
19330 * cexp.y (initialize_random_junk): Likewise.
19332 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
19334 * i370.c (handle_pragma): Likewise.
19336 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
19338 * v850.c (override_options): Likewise.
19340 * doprint.c (_doprnt): Likewise.
19342 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
19345 * fixinc/server.c (load_data): Likewise.
19347 * fold-const.c (real_hex_to_f): Likewise.
19349 * genattr.c (write_upcase, gen_attr): Likewise.
19351 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
19352 write_upcase): Likewise.
19354 * genemit.c (print_code): Likewise.
19356 * genopinit.c (gen_insn): Likewise.
19358 * genpeep.c (print_code): Likewise.
19360 * genrecog.c (print_code): Likewise.
19362 * optabs.c (init_libfuncs): Likewise.
19364 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
19366 * haifa-sched.c (sched_analyze): Keep the list of notes organized
19368 (reemit_notes): Likewise.
19370 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
19372 * ggc.h (ggc_root): Move to ggc-common.c.
19374 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
19375 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
19376 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
19377 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
19378 * ggc-common.c (ggc_root): Move from ggc.h.
19379 (roots): Declare, static.
19380 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
19381 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
19382 null or check/set mark bit.
19383 (ggc_mark_roots): New.
19384 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
19386 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
19388 * m32r.c: Include toplev.h.
19389 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
19390 (gen_compare): Rename swap_p to must_swap to match uses.
19391 Add default abort case.
19392 (m32r_output_function_epilogue): Remove unused variables.
19393 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
19394 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
19395 define to empty parameter list. Update all uses.
19396 (predicate decls): Use enum machine_mode not int.
19397 * m32r.md (movsi): Call abort, not fatal_insn.
19398 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
19400 1999-09-14 Andrew Haley <aph@cygnus.com>
19402 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
19403 use $0 instead of 0.
19405 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19407 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
19408 computation out of loop over hard regs.
19410 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
19412 * function.c (identify_blocks): Don't shadow a variable in an
19414 * integrate.c (integrate_decl_tree): Don't use pushlevel,
19415 pushdecl, or poplevel to build up the new BLOCK tree.
19416 (expand_inline_function): Likewise.
19417 (integrate_parm_decls): Likewise.
19419 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
19421 * c-typeck.c (qualify_type): Merge qualifiers from both types.
19423 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
19425 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
19426 * invoke.texi: Document this change.
19428 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
19430 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
19432 (mark_emit_status): Renamed from mark_emit_state.
19433 * except.c (mark_eh_status): Renamed from mark_eh_state.
19434 Check not null before marking.
19435 (free_eh_status): New.
19436 * expr.c (mark_expr_status, free_expr_status): New.
19437 * function.c (free_machine_status): New.
19438 (free_after_parsing): New.
19439 (free_after_compilation): Move bits to free_after_parsing; call
19440 free_eh_status, free_expr_status; zero the marked members of the
19442 (prepare_function_start): No can_garbage_collect.
19443 Call init_eh_for_function.
19444 (expand_dummy_function_end): Free up current_function state.
19445 (mark_function_status): Renamed from mark_function_state.
19446 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
19447 * function.h (struct function): No can_garbage_collect.
19448 (free_machine_status, free_after_parsing): Declare.
19449 (free_eh_status, free_expr_status): Declare.
19450 * ggc.h (mark_expr_status): Declare.
19451 * stmt.c (free_stmt_status): Free the struct.
19452 (mark_stmt_status): Renamed from mark_stmt_state.
19453 (init_stmt): Don't call init_eh.
19454 (init_stmt_for_function): Don't call init_eh_for_function.
19455 * toplev.c (compile_file): Call init_eh.
19456 (rest_of_compilation): Free basic block info before ggc_collect.
19457 Call free_after_parsing; conditionally call free_after_compilation.
19458 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
19459 Check not null before marking.
19460 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
19462 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
19464 * c-lex.c (yylex): Initialize warn.
19466 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
19468 * pa.c (emit_move_sequence): Properly set the mode of the scratch
19469 register when performing secondary reloads for the SAR register.
19471 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
19473 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
19474 (NOTE_BLOCK): New macro.
19475 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
19476 * function.h (identify_blocks): Change prototype.
19477 * function.c (identify_blocks): Simplify.
19478 (reorder_blocks): Likewise.
19479 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
19480 NOTE_INSN_BLOCK_{BEG,END}.
19481 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
19482 the list of saved notes if the note isn't a
19483 NOTE_INSN_BLOCK_{BEG,END}.
19484 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
19486 (reemit_notes): Adjust recreation of notes to reflect new saved
19488 * print-rtl.c (print_rtx): Print the address of the BLOCK when
19489 printing a block note.
19490 * stmt.c (block_vector): Remove.
19491 (find_loop_tree_blocks): Simplify.
19492 (unroll_block_trees): Likewise.
19493 * tree.h (reorder_block): Change prototype.
19495 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
19497 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
19498 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
19499 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
19500 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
19501 (atexit, exit): Simplify.
19502 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
19503 * config/lots: Remove defns of HAVE_ATEXIT.
19505 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
19507 * calls.c (precompute_arguments): Fix typo in comment.
19508 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
19511 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
19513 * dsp16xx.c (override_options): Fix typos in GC root registration.
19515 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
19517 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
19518 from config/svr4.h.
19519 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
19520 (FUNCTION_PROFILER): Redefine appropriately for Linux.
19521 (CC1_SPEC): Likewise.
19523 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19525 * genattr.c (main): Add extern prototype. Call return, not exit.
19526 * genattrtab.c (main): Likewise.
19527 * gencheck.c (main): Likewise.
19528 * gencodes.c (main): Likewise.
19529 * genconfig.c (main): Likewise.
19530 * genemit.c (main): Likewise.
19531 * genextract.c (main): Likewise.
19532 * genflags.c (main): Likewise.
19533 * gengenrtl.c (main): Likewise.
19534 * genopinit.c (main): Likewise.
19535 * genoutput.c (main): Likewise.
19536 * genpeep.c (main): Likewise.
19537 * genrecog.c (main): Likewise.
19539 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
19540 * genattrtab.c (get_insn_name): Likewise.
19541 * gencodes.c (get_insn_name): Likewise.
19542 * genconfig.c (get_insn_name): Likewise.
19543 * genemit.c (get_insn_name): Likewise.
19544 * genextract.c (get_insn_name): Likewise.
19545 * genflags.c (get_insn_name): Likewise.
19546 * genopinit.c (get_insn_name): Likewise.
19547 * genpeep.c (get_insn_name): Likewise.
19549 * gencheck.c (usage): Add static prototype.
19550 * genextract.c (print_path): Constify a char*.
19551 * genopinit.c (optabs): Likewise.
19552 * genoutput.c (operand_data, data, output_predicate_decls,
19553 compare_operands): Likewise.
19554 * genrecog.c (write_tree): Add default case in switch.
19556 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19558 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
19560 * print-rtl.c (get_insn_name): Remove prototype.
19562 * toplev.h (progname): Declare const.
19564 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
19565 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
19566 dump_sched_info, dump_local_alloc, regset_release_memory,
19567 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
19568 error_with_file_and_line, error_with_decl, error_for_asm, error,
19569 fatal, warning_with_file_and_line, warning_with_decl, warning,
19570 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
19571 Remove redundant prototypes.
19573 (notice, check_lang_option, report_file_and_line, vnotice,
19574 mark_file_stack): Add static prototype.
19575 (set_fatal_function): Add prototype.
19576 (vnotice, report_file_and_line, set_fatal_function,
19577 check_lang_option): Constify a char*.
19578 (main): Prototype. Call return, not exit.
19580 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19582 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
19584 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
19586 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
19588 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
19590 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19592 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
19593 behave as if it's zero in all cases.
19594 (expand_function_start): Adjust call to assign_parms.
19595 * tree.h (assign_parms): Adjust prototype.
19596 * objc/objc-act.c (hack_method_prototype): Adjust call to
19599 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
19601 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
19602 arg_pointer_rtx fixed if the argument pointer register is
19604 (NONZERO_BASE_PLUS_P): Likewise.
19606 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
19608 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
19609 match_insn2 to match_insn.
19610 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
19612 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
19614 * Makefile.in (USER_H): Remove va-foo.h.
19616 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
19617 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
19618 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
19619 va-spur.h,va-v850.h}: Remove.
19621 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
19623 * sparc/sparc.md (eligible_for_return_delay): New attribute.
19624 (in_return_delay): Use it instead of match_insn.
19626 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19628 * config/alpha/va_list.h (va-alpha.h): Do not include.
19629 (__gnuc_va_list): Typedef as in varargs.h.
19631 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
19633 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
19634 DECL_LIVE_RANGE_RTL.
19636 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
19638 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
19639 not NOTE_BLOCK_NUMBER.
19640 (expand_eh_region_end): Likewise.
19641 (find_exception_handler_labels): Likewise.
19642 (scan_region): Likewise.
19643 (exception_optimize): Likewise.
19644 (update_rethrow_references): Likewise.
19645 (set_insn_eh_region): Likewise.
19646 * final.c (final_scan_insn): Likewise.
19647 * flow.c (make_edges): Likewise.
19648 * integrate.c (expand_inline_function): Likewise.
19649 * print-rtl.c (print_rtx): Likewise.
19651 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
19653 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
19654 terms of builtin functions and types.
19656 * mips.c (mips_build_va_list): New.
19657 (mips_va_start, mips_va_arg): New.
19658 * mips.h (BUILD_VA_LIST_TYPE): New.
19659 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19661 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
19662 (sh_build_va_list, sh_va_start, sh_va_arg): New.
19663 * sh.h (BUILD_VA_LIST_TYPE): New.
19664 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19666 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
19668 * recog.h (struct recog_data): Make dup_num, operand_address_p,
19669 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
19670 (struct insn_data): Likewise with n_operands, n_dups,
19671 n_alternatives, output_format.
19672 * regclass.c (scan_one_insn): Cast n_operands to int before
19673 arithmetic inside comparison.
19675 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
19677 * toplev.c (compile_function): Unconditionally emit nop.
19679 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19681 * haifa-sched.c (actual_hazard): Move declaration of variable
19682 `this_cost' into the scope where it is used.
19684 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19686 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
19687 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
19688 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
19690 * genrecog.c (make_insn_sequence): Call memset, not bzero.
19692 * jump.c (find_insert_position): Don't declare or define unless
19693 !HAVE_conditional_arithmetic.
19694 (returnjump_p_1, delete_prior_computation): Add static prototypes.
19696 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
19698 * recog.c (offsettable_address_p): Prototype function pointer.
19699 (preprocess_constraints): Call memset, not bzero.
19701 * tree.c (tree_node_kind_names): Constify a char*. Make static.
19702 (gcc_obstack_init): Don't declare.
19703 (fix_sizetype): Add static prototype.
19704 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
19705 (tree_cons): Call memset, not bzero.
19707 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
19708 definition in macro ASM_WEAKEN_LABEL.
19709 (mark_const_hash_entry): Add static prototype.
19711 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19713 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
19715 * unroll.c (find_common_reg_term, subtract_reg_term,
19716 loop_find_equiv_value): Add static prototypes.
19717 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
19718 (copy_loop_body): Remove unreachable break statement.
19720 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
19722 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
19724 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19726 Undo some changes from the gcc2 merge:
19727 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
19728 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
19732 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
19733 * emit-rtl.c (gen_lowpart_common): Disable optimization of
19734 initialized float-int union if the value is a NaN.
19736 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
19738 * gthr-win32.h: New file.
19740 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
19741 shared as a valid attribute.
19742 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
19743 * extend.texi: Document `shared' variable attribute.
19745 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
19747 * configure.in: Handle --enable-threads on FreeBSD.
19748 * configure: Rebuit.
19750 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
19752 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
19754 * configure: Rebuilt.
19756 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
19757 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
19758 Rosimildo DaSilva <rdasilva@connecttel.com>
19760 * configure.in (m68k-*-rtemscoff*): Added.
19761 * configure.in (mips64orion-*-rtems*): Converted to ELF.
19762 * configure.in (sparc-*-rtemsaout*): Added as alias for old
19763 sparc-rtems configuration.
19764 * configure.in (sparc-*-rtemself*): Added.
19765 * configure.in (sparc-*-rtems*): Now ELF not a.out.
19766 * config/i386/rtems.h: Added comment.
19767 * config/sparc/rtemself.h: New file.
19769 * configure.in (m68k-rtemself): Added.
19770 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
19771 and DWARF_DEBUGGING_INFO.
19772 * config/m68k/crti.s: New file.
19773 * config/m68k/crtn.s: New file.
19774 * config/m68k/t-crtstuff: New file.
19775 * config/m68k/rtemself.h: New file.
19777 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
19778 global ctor/dtor and C++ exception handling.
19779 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
19780 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
19782 * config/i386/t-rtems-i386: New File.
19784 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
19786 * stmt.c (expand_end_case): Return right away if the case stack is
19789 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
19791 * Makefile.in (version.c): Remove rule incorrectly brought in from
19794 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
19796 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
19797 * msdos/top.sed: Take into account a prepended $(SHELL) to
19799 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
19801 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
19803 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19805 * regmove.c (fixup_match_1): Don't change an unchanging register.
19806 (stable_but_for_p): Renamed to:
19807 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
19808 Changed all callers.
19810 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
19812 * loop.c (strength_reduce): Don't call reg_used_between_p if the
19813 insn from BL2 is after the insn from BL.
19815 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
19817 * recog.h (INSN_OUTPUT_FORMAT_*): New.
19818 (struct insn_data): Merge `template' and `outfun' into `output'.
19819 Add `output_format'.
19820 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
19821 (struct data): Remove `outfun'; add `output_format'.
19822 (name_for_index): Remove declaration.
19823 (output_insn_data): Handle output formats.
19824 (process_template): Emit the bare array for @.
19825 (gen_expand, gen_split): Set output_format to NONE.
19826 * output.h (get_insn_template): Declare.
19827 * final.c (get_insn_template): New.
19828 (final_scan_insn): Use it.
19829 * toplev.c (compile_file): Likewise.
19831 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19832 * i860/i860.c (output_delayed_branch): Likewise.
19833 (output_delay_insn): Likewise.
19835 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19837 * rtl.c (obstack_alloc_rtx): Removed.
19839 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
19841 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
19843 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
19845 * i386.c (call_insn_operand): Reject const_int.
19846 (expander_call_insn_operand): Use call_insn_operand.
19848 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19850 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
19852 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
19854 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
19855 Use DImode operation.
19857 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
19859 * gcc.c: Include sys/resource.h.
19860 (report_times): New flag.
19861 (execute): If report_times is set, calculate and report the
19862 CPU time consumed by each subprocess.
19864 (rus, prus): New globals.
19865 (option_map): Add --time.
19866 (display_help): Document -time.
19867 (process_command): Set report_times if -time is given.
19868 Turn off -pipe if -time is given.
19870 * invoke.texi: Document new option -time.
19872 * configure.in: Check for getrusage. Check if we have to
19873 prototype getrusage.
19874 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
19875 * configure: Regenerate.
19876 * config.in: Regenerate.
19878 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
19880 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
19883 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
19885 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
19886 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
19887 (nan): Return _thenan_sf or _thenan_df as appropriate.
19888 (L_thenan_sf): Define _thenan_sf.
19889 (L_thenan_df): Define _thenan_df.
19891 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
19892 (DPBIT_FUNCS): Add _thenan_df.
19894 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
19896 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
19899 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19901 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
19904 (lang_specific_driver): Don't take a function pointer parameter.
19905 All callers changed.
19907 * gcc.c: Include gcc.h.
19908 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
19909 lang_specific_extra_outfiles, fatal): Don't declare.
19910 (multilib_defaults_raw): Constify.
19911 (read_specs): Call memset, rather than bzero.
19912 (main): Call return, not exit.
19913 (lookup_compiler): Call memcpy, not bcopy.
19914 (fatal): Make extern.
19916 * cppspec.c: Include gcc.h.
19917 (lang_specific_driver): Initialize variable `quote'. Constify a
19918 char*. All calls to the function pointer parameter now
19919 explicitly call `fatal'.
19921 * gccspec.c (lang_specific_driver): Include gcc.h.
19923 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
19925 * arm.c (note_invalid_constants): Use recog_data.operand_type
19928 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19930 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
19933 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
19934 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19935 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19936 reload_secondary_in_reload, reload_secondary_out_reload,
19937 reload_secondary_in_icode, reload_secondary_out_icode,
19938 reload_reg_rtx, reload_when_needed): Delete declarations.
19939 (struct reload): New structure.
19940 (rld): Declare new array.
19941 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
19942 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19943 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19944 reload_secondary_in_reload, reload_secondary_out_reload,
19945 reload_secondary_in_icode, reload_secondary_out_icode,
19946 reload_reg_rtx, reload_when_needed): Delete definitions.
19948 (whole file): Replace uses of the deleted arrays with uses of rld.
19949 * reload1.c (whole file): Replace uses of the deleted arrays with
19951 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
19952 explicit loops, not with bcopy.
19954 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
19956 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
19957 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
19958 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
19959 insn_name): Delete and consolidate into new structures.
19960 (insn_operand_predicate_fn): New.
19961 (insn_output_fn): New.
19962 (insn_gen_fn): New.
19963 (struct insn_operand_data): New.
19964 (struct insn_data): New.
19966 (OUT_FCN): Update for insn_data change.
19967 * builtins.c (expand_builtin_strlen): Likewise.
19968 (expand_builtin_memcmp): Likewise.
19969 * combine.c (make_extraction, simplify_comparison): Likewise.
19970 * cse.c (canon_reg, cse_insn): Likewise.
19971 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
19972 * expmed.c (store_bit_field, extract_bit_field): Likewise.
19973 (emit_store_flag): Likewise.
19974 * expr.c (convert_move, emit_block_move): Likewise.
19975 (clear_storage, emit_push_insn, expand_increment): Likewise.
19976 (do_store_flag): Likewise.
19977 * expr.h (GEN_FCN): Likewise.
19978 (insn_gen_function): Die.
19979 * final.c (final_scan_insn): Update for insn_data change.
19980 (output_asm_name): Likewise.
19981 * function.c (fixup_var_refs_1): Likewise.
19982 * loop.c (check_dbra_loop): Likewise.
19983 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
19984 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
19985 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
19986 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
19987 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
19988 * regmove.c (gen_add3_insn): Likewise.
19989 * reload.c (push_secondary_reload, combine_reloads): Likewise.
19990 (find_reloads, find_reloads_address_1): Likewise.
19991 (debug_reload_to_stream): Likewise.
19992 * reload1.c (emit_reload_insns, gen_reload): Likewise.
19993 * stmt.c (expand_end_case): Likewise.
19994 * toplev.c (compile_file): Likewise.
19996 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19997 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19999 * print-rtl.c (insn_name_ptr): Remove declaration.
20000 (get_insn_name): Declare.
20001 (print_rtx): Use it.
20002 * genoutput.c (insn_name_ptr): Remove.
20003 (next_operand_number): New.
20004 (struct operand_data): New.
20005 (null_operand, odata, odata_end): New.
20006 (struct data): Use struct operand_data.
20007 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
20008 (get_insn_name): Renamed from name_for_index.
20009 (output_prologue): Define NO_MD_PROTOTYPES.
20010 (output_predicate_decls): Break out from output_epilogue.
20011 Iterate over the operands list.
20012 (output_operand_data): Break out from output_epilogue. Emit
20013 just the operands list.
20014 (output_insn_data): Break out from output_epilogue. Emit just
20016 (output_epilogue): Remove.
20017 (output_get_insn_name): New.
20018 (constraints, op_n_alternatives, predicates, address_p): Die.
20019 (modes, strict_low, seen): Die.
20020 (scan_operands): Take new param `d' instead of writing to
20021 seven global variables.
20022 (compare_operands): New.
20023 (place_operands): New.
20024 (validate_insn_alternatives): Update for struct data change.
20025 (gen_insn): Don't zero or copy 7 global arrays. Update for
20026 scan_operands; call place_operands.
20027 (gen_peephole, gen_expand, gen_split): Likewise.
20028 (main): Update for new output routines.
20030 * genattr.c (insn_name_ptr): Remove.
20031 (get_insn_name): New function.
20032 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
20033 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
20034 * genrecog.c: Likewise.
20036 * alpha.md (adddi3): Make `pattern' array static.
20038 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20040 * config/c4x/c4x.h (c4x_rpts_cycles_string,
20041 c4x_cpu_version_string): Constify char *.
20042 * config/c4x/c4x.c (c4x_rpts_cycles_string,
20043 c4x_cpu_version_string): Likewise.
20045 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
20047 * tree.c (save_tree_status): Revert 10 Sep change.
20048 (restore_tree_status): Likewise. Call obstack_free with NULL
20049 before freeing the obstack proper.
20051 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
20053 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
20055 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
20056 surrounding context.
20058 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
20060 * tree.c (type_hash_canon): Put all types in the hash-table, when
20063 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
20065 * recog.h (struct recog_data, recog_data): New.
20066 (recog_foo variables): Kill.
20067 * recog.c (recog_operand, recog_operand_loc): Kill.
20068 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
20069 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
20070 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
20071 (recog_data): Define.
20072 (extract_insn): Update all recog_foo references to use recog_data.
20073 (preprocess_constraints, constrain_operands): Likewise.
20074 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
20075 * genattrtab.c (main): Likewise.
20076 * genextract.c (main): Likewise.
20077 * genoutput.c: Likewise.
20078 * genrecog.c (write_subroutine, main): Likewise.
20079 * local-alloc.c (block_alloc): Likewise.
20080 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
20081 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
20082 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
20083 * reload.c (find_reloads, find_reloads_toplev): Likewise.
20084 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
20085 (reload_cse_simplify_operands): Likewise.
20087 * arc/arc.c (arc_final_prescan_insn): Likewise.
20088 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
20089 * h8300/h8300.c (notice_update_cc): Likewise.
20090 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
20091 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
20092 * mn10200/mn10200.c (notice_update_cc): Likewise.
20093 * mn10300/mn10300.c (notice_update_cc): Likewise.
20094 * romp/romp.c (update_cc): Likewise.
20095 * sparc/sparc.c (check_pic): Likewise.
20096 * v850/v850.c (notice_update_cc): Likewise.
20098 * genemit.c (main): Don't declare recog_operand.
20100 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
20102 * ggc.h (rtvec_def): Forward declare.
20103 (tree_node): Likewise.
20104 (ggc_root): Define.
20106 (ggc_set_mark_rtx): Add prototype.
20107 (ggc_set_mark_rtvec): Likewise.
20108 (ggc_set_mark_tree): Likewise.
20109 * ggc-simple.c (ggc_root): Don't define.
20110 (roots): Don't declare.
20111 (ggc_mark_rtx): Remove.
20112 (ggc_mark_rtvec): Likewise.
20113 (ggc_mark_tree): Likewise.
20114 (ggc_mark_varray): Likewise.
20115 (ggc_mark_tree_hash_table_entry): Likewise.
20116 (ggc_mark_tree_hash_table): Likewise.
20117 (ggc_set_mart_rtx): New function.
20118 (ggc_set_mark_rtvec): Likewise.
20119 (ggc_set_mark_tree): Likewise.
20120 (ggc_add_root): Remove.
20121 (ggc_add_rtx_root): Likewise.
20122 (ggc_remove_tree_root): Likewise.
20123 (ggc_add_string_root): Likewise.
20124 (ggc_add_tree_varray_root): Likewise.
20125 (ggc_add_tree_hash_table_root): Likewise.
20126 (ggc_del_root): Likewise.
20127 (ggc_mark_rtx_ptr): Likewise.
20128 (ggc_mark_tree_ptr): Likewise.
20129 (ggc_mark_string_ptr): Likewise.
20130 (ggc_mark_tree_varray_ptr): Likewise.
20131 (ggc_mark_tree_hash_table_ptr): Likewise.
20132 * ggc-common.c: New file.
20133 * Makefile.in (OBJS): Add ggc-common.o.
20134 (ggc-common.o): List dependencies.
20136 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
20138 * cppalloc.c (xstrdup): Use memcpy.
20139 * cpperror.c (cpp_print_containing_files): Don't use
20141 * cpplib.c (conditional_skip): Set temp->lineno.
20142 (do_endif): Make error message less obscure.
20143 (if_directive_name): New function.
20144 (cpp_get_token [case EOF]): Unwind the if stack and generate
20145 error messages for each unterminated conditional in this file.
20146 (parse_string): Do not behave differently if -traditional.
20148 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
20150 * builtins.c (expand_builtin_va_arg): Cope with an array-type
20151 va_list decomposing to pointer-type.
20152 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
20153 (rs6000_va_arg): Likewise.
20155 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
20157 * except.c (start_dynamic_handler): Compute size using
20158 STACK_SAVEAREA_MODE.
20160 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20162 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
20163 include directory headers. Don't define strrchr. Don't provide
20164 my_* replacement functions. Prefer PTR over `pointer_type'.
20165 Don't prototype system functions. Don't redefine getopt.
20167 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
20168 safe_read, safe_write, save_pointers, restore_pointers,
20169 is_id_char, in_system_include_dir, directory_specified_p,
20170 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
20171 find_corresponding_lparen, referenced_file_is_newer,
20172 save_def_or_dec, munge_compile_params, gen_aux_info_file,
20173 process_aux_info_file, identify_lineno, check_source,
20174 seek_to_line, forward_to_next_token_char, output_bytes,
20175 output_string, output_up_to, other_variable_style_function,
20176 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
20177 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
20178 find_static_definition, connect_defs_and_decs, add_local_decl,
20179 add_global_decls, needs_to_be_converted, visit_each_hash_node,
20180 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
20181 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
20182 scan_for_missed_items, edit_file, string_list_cons): Add static
20184 (standard_exec_prefix, target_machine, target_version,
20185 default_syscalls_dir, string_list, string_list_cons, find_file,
20186 do_cleaning): Constify a char*.
20187 (safe_read, safe_write): Use PTR, not a char*.
20188 (is_id_char): Take an int, not a char.
20189 (main): Add prototype. Call return, not exit.
20191 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
20193 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
20194 when comparing types.
20196 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
20198 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
20199 (strength_reduce): Release the varrays from the no-bivs early exit.
20201 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
20202 the loop over the registers.
20204 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
20206 (restore_tree_status): Check that instead when freeing the obstack.
20208 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
20210 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
20213 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20215 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
20216 operand size modifiers.
20218 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20220 * c-common.c (c_common_nodes_and_builtins): Don't build
20222 * c-common.h (enum c_tree_index and related accesor macros): Remove
20223 everything now declared in tree.h.
20224 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20225 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
20226 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
20227 (error_mark_node, void_type_node, char_type_node, integer_type_node,
20228 unsigned_type_node, ptr_type_node, va_list_type_node,
20229 integer_zero_node, null_pointer_node, integer_one_node): Delete.
20230 (init_decl_processing): Call build_common_tree_nodes and
20231 build_common_tree_nodes_2 instead of building their nodes here.
20232 Don't add roots for these nodes.
20233 * stor-layout.c (size_zero_node, size_one_node): Delete.
20234 (set_sizetype): Make a new node for bitsizetype each time.
20235 * tree.c (global_trees): New variable.
20236 (init_obstacks): Add a gc root for it.
20237 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20238 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
20239 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
20240 (build_common_tree_nodes): New function.
20241 (fix_sizetype): New function.
20242 (build_common_tree_nodes_2): New function.
20243 * tree.h (enum tree_index): New.
20244 (global_trees): Declare.
20245 Add accessor macros for all nodes now moved to global_trees.
20246 Delete their declarations.
20248 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
20250 * c-decl.c (finish_function): When processing a nested function,
20251 push and pop GC context around rest_of_compilation.
20253 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
20255 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
20256 Default ix86_arch to PROCESSOR_I386.
20257 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
20258 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
20259 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
20260 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
20261 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
20262 (EXTRA_SPECS): Remove deleted specs.
20264 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
20266 * function.c (assign_stack_local_1): Allocate from
20267 function->x_frame_offset, not frame_offset.
20269 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
20271 * ggc.h (lang_cleanup_tree): Remove.
20272 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
20273 * ggc-callbacks.c (lang_cleanup_tree): Remove.
20275 * c-decl.c (finish_struct): Use ggc_alloc to allocate
20276 TYPE_LANG_SPECIFIC when garbage collecting.
20277 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
20278 (lang_cleanup_tree): Remove.
20280 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
20282 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
20283 * crtstuff.c: Not here.
20284 * dwarf2out.c: Or here.
20285 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
20288 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
20290 * function.h (free_after_compilation): Remove decl parameter.
20291 (free_varasm_status0: Likewise.
20292 (free_emit_status): Likewise.
20293 (free_stmt_status): Likewise.
20294 (free_after_compilation): Likewise.
20295 (init_lang_status): New variable.
20296 (free_lang_status): Likewise.
20297 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
20298 * function.c (init_lang_status): New variable.
20299 (free_lang_status): Likewise.
20300 (push_function_context_to): Don't set function::decl here.
20301 (free_after_copmilation): Make decl parameter implicit. Call
20302 free_lang_status if defined.
20303 (prepare_function_start): Call init_lang_status if defined.
20304 (init_function_start): Set function::decl here.
20305 * profile.c (output_func_start_profiler): Don't call pushdecl
20306 until we've actually started the function.
20307 * stmt.c (free_stmt_status): Make decl parameter implicit.
20308 * toplev.c (rest_of_compilation): Don't pass decl to
20309 free_after_compilation.
20310 * varasm.c (free_varasm_status): Likewise.
20312 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20314 * except.c (call_get_eh_context): Add root when allocating static
20317 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
20319 * arm.c: Include "ggc.h".
20320 (arm_add_gc_roots): New function.
20321 (arm_override_options): Call it.
20322 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
20324 * arm.md (define_asm_attributes): Add a pool_range attribute.
20326 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
20328 * extend.texi (Volatiles): New node.
20330 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
20332 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
20333 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
20334 (struct ggc_any): Replace `mark' with `magic_mark'.
20335 (ggc_alloc_string): Use memcpy, not bcopy.
20336 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
20337 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
20338 (ggc_free_any): New.
20339 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
20340 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
20341 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
20342 Use IS_MARKED. Use ggc_free_any.
20344 1999-09-09 Scott Bambrough <scottb@netwinder.org>
20346 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
20348 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
20350 * toplev.c (main): Always init_ggc.
20352 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
20354 * except.c (find_all_handler_type_matches): Free the list if
20355 we found no matches.
20357 * combine.c (SUBST): Break out to a real function do_SUBST.
20358 (SUBST_INT): Likewise.
20359 * gcse.c (free_pre_mem): Free `temp_bitmap'.
20360 (pre_insert): Free `inserted'.
20361 * loop.c (basic_induction_var): Always set `location'.
20363 * function.c (expand_function_end): Add initial_trampoline as a root.
20364 * rtl.h (init_varasm_once): Declare.
20365 * toplev.c (compile_file): Call it.
20366 * ggc-simple.c (ggc_mark_string_ptr): New.
20367 (ggc_add_string_root): New.
20368 (ggc_collect): Disable collection avoidance temporarily.
20369 * ggc.h (ggc_add_string_root): Declare.
20370 * except.c (create_rethrow_ref): Use ggc_alloc_string.
20371 * optabs.c (init_libfuncs): Likewise.
20372 * varasm.c (named_section): Use ggc_alloc_string.
20373 (make_function_rtl): Likewise.
20374 (make_decl_rtl): Likewise.
20375 (assemble_static_space): Likewise.
20376 (assemble_trampoline_template): Likewise.
20377 (output_constant_def): Likewise.
20378 (force_const_mem): Likewise.
20379 (mark_const_hash_entry): New.
20380 (mark_pool_sym_hash_table): New.
20381 (mark_varasm_state): Use it.
20382 (init_varasm_once): New.
20384 * expr.h (init_one_libfunc): Declare.
20385 * optabs.c (init_one_libfunc): New.
20386 (init_optabs): Use it.
20387 * config/gofast.h: Likewise.
20388 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
20389 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
20391 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
20393 * Makefile.in (cppexp.o): Depend on cpphash.h.
20394 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
20396 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
20397 * cpplib.c (do_define): Generalise to handle poisoned definitions,
20398 redefining poisoned identifiers, etc.
20399 (do_undef): Don't allow poisoned identifiers to be undefined.
20400 (do_pragma): Add #pragma poison.
20401 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20403 * cccp.c: Add T_POISON node type.
20404 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
20406 (do_define): Generalise to handle poisoned definitions,
20407 redefining poisoned identifiers, etc.
20408 (do_undef): Don't allow poisoned identifiers to be undefined.
20409 (do_pragma): Add #pragma poison.
20410 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20412 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
20413 * c-pragma.h: Add ps_poison state. We now always have generic
20416 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
20418 * ggc.h (ggc_alloc): New function.
20419 (ggc_mark): Likewise.
20420 * ggc-simple.c (ggc_any): New structure.
20421 (ggc_status): Add anys.
20422 (n_anys_collected): New variable.
20423 (ggc_alloc): Define.
20424 (ggc_mark): Likewise.
20425 (ggc_collect): Collect the anys.
20427 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20429 * c-decl.c (mark_binding_level): Make static to match prototype.
20431 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
20433 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
20435 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
20437 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
20438 will use into account. Expand the max width to 5.
20441 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
20443 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
20444 for the rtx length.
20446 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
20448 * alpha.md (call value patterns): Remove the result predicates.
20450 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
20452 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
20455 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20457 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
20458 changed from extern char *, to extern PTR. Also fix typo in
20459 NEED_DECLARATION_REALLOC test.
20461 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
20463 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20465 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
20466 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
20467 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
20468 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
20470 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
20472 * cccp.c (pcfinclude): Likewise.
20474 * global.c (allocno_compare): Likewise.
20476 * haifa-sched.c (rank_for_schedule): Likewise.
20478 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
20480 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
20482 * stupid.c (stupid_reg_compare): Likewise.
20484 * tree.c (_obstack_allocated_p): Likewise.
20486 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
20488 1999-09-08 Bruce Korb autogen@linuxbox.com
20490 * Makefile.in: Give the hapless gperf user a hint about
20491 why "gperf -F" fails.
20493 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
20495 * lists.c: Include ggc.h.
20497 (init_EXPR_INSN_LIST_cache): Install it.
20499 * ggc-simple.c (init_ggc): Absorb the old init.
20500 (ggc_push_context): Use xcalloc.
20501 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
20502 (ggc_collect): Add [rvts] tags to the collection stats.
20504 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
20506 * cccp.c (main): Fix handling of -include and -imacros options.
20508 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
20510 * cpplib.c (cpp_push_buffer): Fix order of arguments.
20512 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20514 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
20517 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
20519 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
20520 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
20521 and SET_DEST. Update comment.
20523 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20525 * config/c4x/c4x.c: Include ggc.h.
20526 (c4x_add_gc_roots): New function.
20527 (c4x_override_options): Call c4x_add_gc_roots.
20529 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
20531 * defaults.h (TARGET_ESC): Move ...
20532 * system.h: ... here, where Linas had it in the first place. Silly me.
20534 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
20536 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
20537 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
20538 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
20539 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
20540 * defaults.h (TARGET_ESC): Add default.
20542 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
20544 * configure.in: add i370-*-openedition, i370-*-mvs and
20545 i370-*-linux targets
20547 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
20549 * dsp16xxx.c: Include ggc.h
20550 (override_options): Mark GC roots.
20551 * mn10200.c: Include ggc.h.
20552 (asm_file_start): Mark GC roots.
20553 * tahoe.c: Include ggc.h.
20554 (extensible_operand): Mark GC roots.
20556 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
20558 * README: Add section discussing status of ELF ABI.
20559 * i370.c: Fix misc spelling mistakes.
20560 (i370_label_scan): Updated notes, exception handling.
20561 (i370_function_prolog): Simplify ELF stack handling.
20562 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
20563 (STACK_GROWS_DOWNWARD): ELF stack grows down.
20564 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
20565 * i370.md: (movdi): Add notes.
20566 (floatsidf2): Use stack not rtca for scratch float area.
20567 (iorsi3): Correct operand constraints.
20568 * x-oe: Restore TAROUTOPTS which are used by pax.
20570 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
20572 * rs6000.c: Include ggc.h.
20573 (rs6000_add_gc_roots): New function.
20574 (override_options): Call it.
20576 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
20578 * alpha.h (alpha_compare): New.
20579 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
20580 * alpha.c: Likewise for the definitions.
20581 (alpha_emit_conditional_branch): Update for alpha_compare.
20582 (alpha_emit_conditional_move): Likewise.
20583 * alpha.md (cmpdf, cmpdi): Likewise.
20584 (setcc patterns): Likewise. Zero alpha_compare after use.
20585 (sne): Optimize (x != 0) into (0U < x).
20587 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
20589 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
20590 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
20591 (INIT_EXPANDERS): Remove.
20592 * alpha.c: Include ggc.h.
20593 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
20594 (alpha_init_machine_status, alpha_mark_machine_status): New.
20595 (override_options): Install them.
20596 (struct machine_function): Moved to alpha.h.
20597 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
20598 (alpha_init_expanders): Remove.
20599 (alpha_return_addr): Adjust to use current_function->machine.
20600 (alpha_ra_ever_killed): Likewise.
20601 (alpha_expand_epilogue): Likewise.
20602 * alpha.md (eh_epilogue): Likewise.
20604 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
20605 Melissa O'Neill <oneill@cs.sfu.ca>
20606 Geoffrey Keating <geoffk@cygnus.com>
20608 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
20609 call-used registers (call-saved registers must still be contiguous
20610 and end with r31, of course).
20612 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
20614 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
20615 (self_promoting_type_p): Delete.
20616 (self_promoting_args_p): Move ...
20617 * c-common.c: ... here.
20618 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
20619 (simple_type_promotes_to): New.
20620 * builtins.c (lang_type_promotes_to): New.
20621 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
20622 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
20623 * c-common.h: ... here.
20624 (self_promoting_args_p, simple_type_promotes_to): Declare.
20625 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
20626 (grokdeclarator): Likewise.
20627 * tree.h (lang_type_promotes_to): Declare.
20629 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
20631 Add some machine-dependent GC roots.
20632 * sparc.c: Include ggc.h.
20633 (sparc_add_gc_roots): New function.
20634 (mark_ultrasparc_pipeline_state): Likewise.
20635 (override_options): Call sparc_add_gc_roots.
20636 * pa.c: Include ggc.h.
20637 (pa_add_gc_roots): New function.
20638 (mark_deferred_plabels): Likewise.
20639 (override_options): Call pa_add_gc_roots.
20640 * mips.c: Include ggc.h.
20641 (mips_add_gc_roots): New function.
20642 (override_options): Use it.
20644 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20646 * cpperror.c (cpp_file_line_for_message): Constify a char*.
20648 * cppexp.c (parse_number, parse_charconst, cpp_lex,
20649 cpp_parse_expr): Add static prototypes.
20650 (parse_charconst): Don't cast away const-ness.
20651 (token): Constify a char*.
20653 * cppfiles.c (file_name_list, include_hash, find_include_file,
20654 finclude, initialize_input_buffer): Constify a char*.
20655 (file_cleanup, find_position): Add static prototypes.
20657 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
20658 collect_expansion): Add static prototypes.
20659 (cpp_install, create_definition, monthnames): Constify a char*.
20661 * cpphash.h (cpp_install): Likewise.
20663 * cppinit.c (known_suffixes, default_include,
20664 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
20665 (base_name, dump_special_to_buffer, initialize_dependency_output):
20666 Add static prototypes.
20668 * cpplib.c (my_strerror): Constify a char*.
20669 (null_underflow, null_cleanup, skip_comment, copy_comment,
20670 copy_rest_of_line, handle_directive, pass_thru_directive,
20671 get_directive_token, read_line_number, cpp_print_file_and_line,
20672 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
20673 v_cpp_warning_with_line, detect_if_not_defined,
20674 consider_directive_while_skipping): Add static prototypes.
20675 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
20676 cpp_pedwarn_with_file_and_line): Constify a char*.
20678 * cpplib.h (cpp_options, include_hash, progname, definition,
20679 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
20680 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
20681 find_include_file, deps_output, include_hash): Constify a char*.
20683 * cppmain.c (progname): Constify.
20684 (main): Add prototype. Use return, not exit.
20686 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
20687 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
20688 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
20689 check_protection): Add static prototype.
20691 (progname, recognized_macrom, recognized_extern): Constify a char*.
20692 (main): Add prototype.
20694 * gen-protos.c (progname): Constify a char*.
20696 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
20698 * emit-rtl.c (free_emit_status): Take decl as a parameter.
20699 (init_emit_once): Add more GC roots.
20700 * except.c (mark_func_eh_entry): New function.
20701 (mark_eh_node): Mark false_label and rethrow_label.
20702 (init_eh): Add more GC roots.
20703 * function.c (free_after_compilation): Take decl as a paramter.
20704 Call free_stmt_status.
20705 (mark_function_state): Don't assume x_parm_reg_stack_loc is
20707 * function.h (free_after_compilation): Change prototype.
20708 (free_varasm_status): Likewise.
20709 (free_emit_status): Likewise.
20710 (free_stmt_status): New function.
20711 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
20712 Remove, replacing with ...
20713 (ggc_status): New structure.
20714 (ggc_chain): New variable.
20715 (init_gcc): Define.
20716 (ggc_push_context): New function.
20717 (ggc_pop_context): Likewise.
20718 (ggc_alloc_rtx): Adjust for use of ggc_chain.
20719 (ggc_alloc_rtvec): Likewise.
20720 (ggc_alloc_tree): Likewise.
20721 (ggc_alloc_string): Likewise.
20722 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
20723 (ggc_mark_tree): Give language-dependent code a chance to mark
20725 (ggc_mark_tree_varray): Handle empty arrays.
20726 (ggc_collect): Adjust for use of ggc_chain. Clear
20727 bytes_alloced_since_last_gc.
20728 * ggc.h (ggc_pop_context): New function.
20729 (ggc_push_context): Likewise.
20730 * print-tree.c (print_node): Don't print obstacks when GC'ing.
20731 * stmt.c (free_stmt_status): New function.
20732 (init_stmt_for_function): Clear last_expr_value.
20733 * toplev.c (rest_of_compilation): Always call free_after_compilation.
20734 Conditionalize call to ggc_collect.
20735 (main): Call init_ggc.
20736 * tree.c (push_obstacks): Do the push, even when GC'ing.
20737 (push_obstacks_nochange): Likewise.
20738 (pop_obstacks): Liekwise.
20739 * varasm.c (free_varasm_status): Take decl as a parameter.
20741 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
20743 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
20744 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
20745 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
20746 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
20748 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
20750 * pa/x-pa-mpeix: New file for the MPE port.
20752 * pa/quadlib.asm: New file for long double support.
20754 * configure.in: Add hppa1.0-*-mpeix for MPE port.
20755 * configure: Rebuilt.
20757 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
20759 * final.c (shorten_branches): Fix last change.
20761 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
20763 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
20765 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
20767 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
20770 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20772 * c-aux-info.c (concat): Don't define.
20774 * cccp.c (my_strerror): Likewise. All callers changed to use
20776 (do_include): Call xstrdup, not xmalloc/strcpy.
20777 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
20778 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
20780 * collect2.c (my_strsignal): Likewise. All callers changed to use
20782 (locatelib): Call xstrdup, not xmalloc/strcpy.
20784 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
20786 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
20788 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
20790 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
20792 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
20794 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
20796 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
20798 (find_all_handler_type_matches): Likewise. Don't check return
20800 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
20801 xmalloc, not malloc.
20802 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
20804 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
20805 (init_spec): Call xcalloc, not xmalloc/bzero.
20806 (set_spec): Call xstrdup, not save_string.
20807 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
20808 (find_a_file): Call xstrdup, not xmalloc/strcpy.
20809 (process_command): Call xstrdup, not save_string.
20810 (main): Call xcalloc, not xmalloc/bzero.
20812 * gcov.c (xmalloc): Don't define.
20813 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
20814 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
20815 (output_data): Call xcalloc, not xmalloc/bzero.
20817 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
20819 * mips-tdump.c (xmalloc): Don't define.
20820 (print_symbol): Call xmalloc, not malloc.
20821 (read_tfile): Call xcalloc, not calloc.
20823 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
20824 Don't define. All callers of xfree/my_strsignal changed to use
20825 free/strsignal instead.
20826 (allocate_cluster): Call xcalloc, not calloc.
20828 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
20829 Fix memory leak, free allocated memory.
20831 * prefix.c (translate_name): Call xstrdup, not save_string.
20832 (update_path): Likewise.
20834 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
20836 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
20837 Don't define. Callers of xfree/savestring2 changed to use
20838 free/concat instead.
20840 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
20841 (init_elim_table): Likewise.
20843 * resource.c (init_resource_info): Likewise.
20845 * stupid.c (stupid_life_analysis): Likewise.
20847 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
20848 (open_dump_file): Call concat, not xmalloc/strcpy/...
20849 (clean_dump_file): Likewise.
20850 (compile_file): Call xstrdup, not xmalloc/strcpy.
20852 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
20854 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
20855 * v850.c (v850_va_arg): New.
20857 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20859 * haifa-sched.c: Tidy comments.
20861 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20863 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
20864 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
20865 $(out_object_file)): Depend on ggc.h.
20866 * c-common.c: Include "ggc.h".
20867 (combine_strings): If doing GC, use ggc_alloc_string.
20868 * c-decl.c: Include "ggc.h".
20869 (ggc_p): Define with value 0.
20870 (mark_binding_level): New function.
20871 (init_decl_processing): Add GC roots.
20872 (mark_c_function_context): New function.
20873 (lang_mark_false_label_stack): New function.
20874 (lang_mark_tree): New function.
20875 (lang_cleanup_tree): New function.
20876 * c-lang.c: Include "ggc.h".
20877 (lang_init): Call c_parse_init.
20878 * c-lex.c: Include "ggc.h".
20879 (check_linenum): If doing GC, don't copy filenames to permanent
20881 * c-parse.in: Include "ggc.h".
20882 (c_parse_init): New function.
20883 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
20884 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
20886 * except.c (mark_eh_state): Mark more state.
20887 * function.c (mark_function_state): Likewise.
20888 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
20889 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
20890 * toplev.c (mark_file_stack): New function.
20891 (compile_file): If doing GC, use ggc_alloc_string on input filename.
20892 (main): Add root for input_file_stack.
20894 * i386.c: Include "ggc.h".
20895 (ix86_mark_machine_status): New function.
20896 (override_options): Set mark_machine_status.
20898 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20900 * tree.c (copy_node): Copy node contents also if doing GC.
20902 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20904 * collect2.c (scan_libraries): Fix double-thinko :-).
20906 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
20908 * collect2.c (scan_libraries): Fix thinko.
20910 * cse.c (delete_trivially_dead_insns): Do not skip the last
20911 insn if it is a real insn.
20913 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
20915 * Makefile.in (ggc-simple.o): Depend on hash.h.
20916 * ggc.h (ggc_add_tree_hash_table_root): Declare.
20917 (ggc_mark_tree_varray): Likewise.
20918 (ggc_mark_tree_hash_table): Likewise.
20919 * ggc-simple.c: Include hash.h.
20920 (ggc_mark_tree_hash_table_ptr): New function.
20921 (ggc_mark_tree_hash_table_entry): Likewise.
20922 (ggc_mark_tree_hash_table): Likewise.
20923 (ggc_add_tree_hash_table_root): Likewise.
20924 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
20925 rtx, when defining fields.
20927 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
20929 * profile.c (output_func_start_profiler): Remove apparently
20930 nonsensical call to start_sequence.
20932 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
20934 * clipper/clipper.c (clipper_va_start): Fix typos.
20936 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
20937 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
20938 (spur_va_arg): New stub.
20940 * configure.in: Comment out pyramid.
20942 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
20944 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
20945 don't conflict with the bits that win32, cygwin, and dgux
20948 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
20949 Bernd Schmidt <bernds@cygnus.co.uk>
20951 * integrate.c (function_cannot_inline_p): Do not inline
20952 functions with forced labels.
20954 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
20955 Bernd Schmidt <bernds@cygnus.co.uk>
20956 Mark Mitchell <mark@codesourcery.com>
20958 * Makefile.in (ggc-simple.o): Depend on varray.h.
20959 (rtl.o): Depend on ggc.h.
20960 (genattrtab.o): Depend on ggc.h.
20961 (print-tree.o): Likewise.
20962 (fold-const.o): Likewise.
20963 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
20964 (make_insn_raw): Don't cache insns when GC'ing.
20965 (emit_insn_before): Likewise.
20966 (emit_insn_after): Likewise.
20967 (emit_insn): Likewise.
20968 (start_sequence): Use xmalloc to allocate the sequence_stack.
20969 (end_sequence): Add free to free it.
20970 (gen_sequence): Don't cache insns when GC'ing.
20971 (clear_emit_caches): Don't use sequence_element_free_list.
20972 (init_emit): Use xcalloc, not xmalloc+bzero.
20973 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
20974 * function.c (pop_function_context_from): Use free to free the
20975 fixup_var_refs_queue.
20976 (put_reg_into_stack): Allocate it with xmalloc.
20977 * genattrtab.c: Include ggc.h.
20978 (operate_exp): Don't use obstack_free when GC'ing.
20979 (simplify_cond): Likewise.
20980 (simplify_text_exp): Likewise.
20981 (optimize_attrs): Likewise.
20982 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
20984 (gencode): Generate a #include for ggc.h.
20985 * ggc-callbacks.c (ggc_p): Define it to zero.
20986 * ggc-none.c (ggc_p): Likewise.
20987 * ggc-simple.c: Include varray.h.
20988 (ggc_mark_tree_varray): New function.
20989 (ggc_add_tree_varray_root): Likewise.
20990 (ggc_mark_tree_varray_ptr): Likewise.
20991 * ggc.h (ggc_p): Declare.
20992 (varray_head_tag): Likewise.
20993 (ggc_add_tree_varray_root): Declare.
20994 * print-tree.c (print_node): Don't check for TREE_PERMANENT
20995 inconsistencies when GC'ing.
20996 * rtl.c: Include ggc.h.
20997 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
20998 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
20999 (rtx_free): Don't call obstack_free when GC'ing.
21000 * toplev.c (rest_of_compilation): Call ggc_collect after every
21002 * tree.c (push_obstacks): Do nothing, if GC'ing.
21003 (pop_obstacks_nochange): Likewise.
21004 (pop_obstacks): Likewise.
21005 (make_node): Use ggc_alloc_tree when GC'ing.
21006 (copy_node): Likewise.
21007 (get_identifier): Use ggc_alloc_string when GC'ing.
21008 (build_string): Likewise.
21009 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
21010 (tree_cons): Likewise.
21011 (build1): Likewise.
21012 (type_hash_canon): Don't call obstack_free when GC'ing.
21014 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
21016 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
21017 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
21019 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
21020 Bernd Schmidt <bernds@cygnus.co.uk>
21021 Mark Mitchell <mark@codesourcery.com>
21023 * Makefile.in (stor-layout.o): Depend on ggc.h.
21024 (expr.o): Depend on ggc.h.
21025 (profile.o): Depend on ggc.h.
21026 (stor-layout.o): Depend on ggc.h.
21027 * emit-rtl.c (init_emit_once): Add gc roots.
21028 * expr.c: Include ggc.h.
21029 (emit_block_move): Add gc roots.
21030 (clear_storage): Likewise.
21031 * expr.h (init_stor_layout_once): New function.
21032 * profile.c: Include ggc.h.
21033 (init_arc_profiler): profiler_label is a root.
21034 * scan.c (make_sstring_space): Trust xrealloc to function
21035 correctly with first parameter NULL.
21036 * stor-layout.c: Include ggc.h.
21037 (set_sizetype): Add gc root.
21038 (init_stor_layout_once): New function.
21039 * toplev.c (compile_file): Call it.
21041 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
21042 Bernd Schmidt <bernds@cygnus.co.uk>
21043 Mark Mitchell <mark@codesourcery.com>
21045 * Makefile.in (tree.o): Depend on ggc.h.
21046 (varasm.o): Likewise.
21047 (function.o): Likewise.
21048 (stmt.o): Likewise.
21049 (except.o): Likewise.
21050 (optabs.o): Likewise.
21051 (emit-rtl.o): Likewise.
21052 * emit-rtl.c: Include ggc.h.
21053 (sequence_element_free_list): Remove, and all references.
21054 (mark_sequence): New functions.
21055 (mark_emit_state): New function.
21056 * except.c: Include ggc.h.
21057 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
21058 (mark_tree_label_node): New functions.
21059 (mark_eh_state): New function.
21060 * function.c: Include ggc.h.
21061 (mark_temp_slot, mark_function_chain): New functions.
21062 (mark_function_state): New function.
21063 (init_function_once): New function.
21064 * function.h (init_function_once): New function.
21065 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
21066 * ggc.h (label_node): Declare.
21067 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
21068 (lang_mark_false_label_stack): New function.
21069 (mark_temp_slot): Remove declaration.
21070 (mark_function_chain): Likewise.
21071 (mark_eh_state): Adjust prototype.
21072 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
21074 * optabs.c: Include ggc.h.
21075 (mark_optab): New function.
21076 (init_optabs): Add gc roots.
21077 * stmt.c: Include ggc.h.
21078 (mark_cond_nesting, mark_loop_nesting): New functions.
21079 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
21080 (mark_stmt_state): New function.
21081 * toplev.c (compile_file): Call init_function_once.
21082 * tree.c: Include ggc.h.
21083 (type_hash): Move declaration earlier in file.
21084 (TYPE_HASH_SIZE, type_hash_table): Likewise.
21085 (init_obstacks): Add gc roots.
21086 (mark_type_hash): New function.
21087 * varasm.c: Include ggc.h.
21088 (mark_pool_constant): New function.
21089 (mark_varasm_state): New function.
21091 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21093 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
21095 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21097 * c-decl.c (struct language_function): Renamed from struct c_function.
21099 (c_function_chain): Delete.
21100 (push_c_function_context): New arg F. Don't warn about nested
21101 functions here. Fill LANGUAGE elt of F. Delete code to update
21102 c_function_chain. Don't call push_function_context.
21103 (pop_c_function_context): New arg F. Restore from there instead of
21104 from c_function_chain. Don't call pop_function_context. Clear out
21105 LANGUAGE field of F when done.
21106 * c-lang.c: Include "function.h"
21107 (lang_init): Initialize save_lang_status and restore_lang_status.
21108 * c-parse.in (nested_function, nested_function_notype): Warn about
21109 nested functions. Call push_function_context/pop_function_context
21110 instead of the _c_ variants.
21111 * c-tree.h (push_c_function_context, pop_c_function_context): Update
21113 * Makefile.in (c-lang.o): Update dependencies.
21115 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
21116 regno_pointer_flag, regno_pointer_align.
21117 (gen_reg_rtx): Use xrealloc to enlarge them.
21118 (free_emit_status): New function.
21119 * function.c (mark_machine_status, mark_lang_status): New variables.
21120 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
21121 in some bits from assign_stack_local. All callers changed to use new
21123 (assign_stack_local): Just call assign_stack_local_1.
21124 (free_after_compilation): New function.
21125 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
21126 (trampoline_address): Likewise.
21127 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
21128 (prepare_function_start): Explicitly clear some more variables.
21129 * function.h (struct function): New elt can_garbage_collect.
21130 (mark_machine_status, mark_lang_status): Declare variables.
21131 (free_after_compilation, free_emit_status, free_varasm_status,
21132 init_varasm_status): Declare functions.
21133 * toplev.c (rest_of_compilation): Call free_after_compilation when
21134 done with the current function.
21135 * varasm.c (free_varasm_status): New function.
21137 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
21139 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
21140 (EXPAND_BUILTIN_VA_ARG): Define.
21141 * sparc.c (sparc_va_start): New.
21142 (sparc_va_arg): New.
21144 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21146 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
21148 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21150 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
21152 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
21154 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
21155 (OBJS): Add $(GGC).
21156 (ggc-callbacks.o): New target.
21157 * ggc-callbacks.c: New file.
21159 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21161 * expr.h: Collapse individual optab and libfunc vars to arrays.
21162 (optab_index, libfunc_index): New enumerations.
21163 (optab_table, libfunc_table): New arrays.
21164 Add accessor macros for both.
21166 * optabs.c (optab_table, libfunc_table): New.
21167 Delete declarations for individual optab and libfunc vars.
21169 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
21171 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
21173 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
21175 * Makefile.in (GGC, GGC_LIB): New.
21176 (HOST_RTL): Include ggc-none.o.
21177 (ggc-simple.o): New target.
21178 (ggc-none.o): Likewise.
21179 * tree.h (tree_common): Add gc_mark.
21180 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
21181 (struct rtvec_def): Add gc_mark.
21182 * emit-rtl.c (global_rtl): Update static initializers to contain
21183 enough initializers.
21184 * ggc.h, ggc-none.c, ggc-simple.c: New files.
21185 * toplev.c (gc_time): New variable.
21186 (all_time): New variable.
21187 (compile_file): Print gc time.
21188 (print_time): Calculate percentage of the whole.
21190 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21192 Change obstack memory management and varasm constant pool handling so
21193 that nested functions are treated like any other functions.
21194 * function.c (init_machine_status): New variable.
21195 (push_function_context_to): Set contains_functions for the outer
21196 function. Don't call save_varasm_status.
21197 (pop_function_context_from): Don't call restore_varasm_status. Don't
21198 set current_function_contains_functions.
21199 (prepare_function_start): Call init_varasm_status rather than
21200 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
21202 * function.h (struct function) Add field varasm. Delete fields
21203 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
21204 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
21205 (init_machine_status): Declare.
21206 (save_varasm_status, restore_varasm_status): Delete declarations.
21207 (save_tree_status, restore_tree_status): Delete last argument.
21208 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
21209 code. All callers changed.
21210 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
21211 save_constants_in_decl_trees, restore_constants, save_constants,
21212 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
21214 (inlining): New variable.
21215 (reg_map, label_map, insn_map, orig_asm_operands_vector,
21216 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
21218 (save_for_inline_nocopy): Don't save constants.
21219 Don't set inl_emit field in current_function.
21220 (expand_inline_function): Use emit field, not inl_emit, of the inlined
21221 function. Set new variable inlining before
21222 calling copy_rtx_and_substitute.
21223 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
21224 constant pool references if inlining is nonzero.
21225 Delete ADDRESS and (most of the) CONST cases.
21226 (output_inline_function): Save and restore current_function/
21227 current_function_decl. Delete restore_constants code. Don't call
21228 init_const_rtx_hash_table.
21229 * output.h (init_const_rtx_hash_table): Don't declare.
21230 * rtl.h (struct function): Declare.
21231 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
21232 * toplev.c (rest_of_compilation): Don't treat nested functions or
21233 functions containing them specially. Delete all code to deal with
21234 save_for_inline_copying.
21235 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
21236 inline_obstacks): Delete variables.
21237 (save_tree_status): Lose arg CONTEXT. All callers changed.
21238 Simply allocate a new function_maybepermanent_obstack for the new
21239 function, delete all the special cases.
21240 Don't save inline_obstacks.
21241 (restore_tree_status): Lose arg CONTEXT. All callers changed.
21242 Delete special handling for function_maybepermanent_obstack; simply
21244 Don't restore inline_obstacks.
21245 (permanent_allocation): Delete code that frees inline_obstacks.
21246 (print_inline_obstack_statistics): Delete function.
21247 (dump_tree_statistics): Don't call it.
21248 * varasm.c (struct varasm_status): New.
21249 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
21250 last_pool, pool_offset, const_double_chain): Delete global
21251 variables, replace with accessor macros.
21252 (immed_double_const): Don't walk const_double_chain outside a
21253 function, but don't treat nested functions specially anymore.
21254 (immed_real_const_1): Likewise.
21255 (clear_const_double_mem): Don't treat nested functions specially.
21256 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
21257 (save_varasm_status, restore_varasm_status): Delete functions.
21258 (init_varasm_status): New function.
21259 (force_const_mem): Don't treat nested functions specially.
21260 (find_pool_constant): Accept new arg F, search for constants in
21261 that function's pool rather than the current one. All callers
21263 (get_pool_constant_for_function, get_pool_mode_for_function): New
21266 * i386.c (init_386_machine_status): New function, mostly from
21267 clear_386_stack_locals.
21268 (struct machine_functions): Rename element names to avoid name
21270 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
21271 macros, replacing global variables.
21272 (clear_386_stack_locals, save_386_machine_status,
21273 restore_386_machine_status): Delete functions.
21274 (override_options): Initialize init_machine_status.
21275 * i386.h (INIT_EXPANDERS): Delete macro.
21276 (save_386_machine_status, restore_386_machine_status,
21277 clear_386_stack_locals): Delete declarations.
21279 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21281 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
21282 (doloop_begin): Simplify pattern and use emit_jump_insn.
21283 (doloop_end): Simplify pattern, switch operand order,
21284 and use emit_jump_insn.
21286 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
21288 * function.h (struct function): Add new element LANGUAGE.
21289 (save_lang_status): Declare new variable.
21290 (restore_lang_status): Likewise.
21291 * function.c (save_lang_status): Define.
21292 (restore_lang_status): Likewise.
21293 (push_function_context_to): Call language-specific save function.
21294 (pop_function_context_from): Call language-specific restore function.
21296 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
21298 * i386.md (movsf_1): Check REG_P before use of REGNO.
21299 (movdf_1): Likewise.
21300 (movxf_1): Likewise.
21301 (extendsfdf2): Likewise.
21302 (extendsfxf2): Likewise.
21303 (extenddfxf2): Likewise.
21305 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21307 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
21308 constants into memory.
21309 (c4x_shiftable_constant): New function.
21310 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
21311 (c4x_shiftable_constant): Declare.
21312 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
21313 ashlqi3_noclobber): Add new patterns and associated splitters.
21315 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
21317 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
21318 * dwarf2out.c (dwarf2out_frame_init): Likewise.
21319 * final.c (shorten_branches): Likewise.
21320 * global.c (global_alloc): Likewise.
21321 * haifa-sched.c (build_control_flow): Likewise.
21322 * stmt.c (check_for_full_enumeration_handling): Likewise.
21323 (estimate_case_costs): Likewise.
21325 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
21327 * rtl.h (RTL_CHECKC2): Fix typo in last change.
21329 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
21331 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
21332 (recompute_reg_usage): Likewise.
21333 * rtlanal.c (find_regno_fusage): Likewise.
21335 * rtl.c (rtl_check_failed_code1): New function.
21336 (rtl_check_failed_code2): New.
21337 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
21338 (RTL_CHECKC1, RTL_CHECKC2): New.
21339 (XC*): New accessor macros.
21340 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
21341 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
21342 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
21343 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
21344 (TRAP_*, RANGE_INFO_*): Likewise.
21346 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21348 * Makefile.in (tlink.o): Don't depend on toplev.h.
21350 * collect2.c (c_file, o_file, export_file, import_file, ldout,
21351 output_file, nm_file_name, ldd_file_name, strip_file_name,
21352 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
21353 add_prefix, prefix_from_env, prefix_from_string, do_wait,
21354 fork_execute, maybe_unlink, add_to_list,
21355 extract_init_priority, write_list, dump_list,
21356 dump_prefix_list, write_list_with_asm, write_c_file,
21357 write_c_file_stat, write_c_file_glob, scan_prog_file,
21358 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
21359 ignore_library, extract_string, notice, dump_file, target_machine,
21360 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
21361 read_file, print_load_command): Constify a char*.
21362 (fdopen, error, fatal, fatal_perror): Don't prototype.
21363 (my_strerror): Remove. All callers use xstrerror instead.
21364 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
21365 (main): Add prototype. Constify lots of char* ptrs. Change calls
21366 to xcalloc/strcpy/strcat/... to one call to concat.
21367 (main, scan_prog_file, scan_libraries): Use an intermediate
21368 `const char **' to build an argv array.
21369 (mapfile, libselect, libcompare, locatelib): Add prototypes.
21371 * collect2.h (collect_execute, collect_wait, dump_file,
21372 file_exists): Constify a char*.
21373 (ldout, c_file_name, temporary_obstack, permanent_obstack,
21374 temporary_firstobj, vflag, debug): Add extern declarations.
21375 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
21377 * tlink.c: Don't include toplev.h.
21378 (vflag, debug, ldout, c_file_name, temporary_obstack,
21379 permanent_obstack, temporary_firstobj): Don't declare.
21380 (tlink_execute, frob_extension, symbol_hash_lookup,
21381 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
21382 recompile_files, read_repo_files, demangle_new_symbols,
21383 scan_linker_output): Constify a char*.
21384 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
21385 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
21387 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
21389 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
21390 (relative) rather than jsr (absolute) subroutine call insns.
21391 * config/m68k/m68k-coff.h: Ditto.
21393 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
21395 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
21396 now rework these too.
21397 (arm_reorg): If an insn can't reach the end of the current pool,
21398 ensure that we emit that pool before the insn.
21400 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
21402 * tlink.c (scan_linker_output): Skip the initial underscore in
21403 a mangled name if appropriate.
21405 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21407 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
21408 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
21409 error_with_ivar, gen_declarator, create_builtin_decl,
21410 my_build_string, generate_descriptor_table, generate_ivars_list,
21411 generate_dispatch_table, check_protocols, TAG_GETCLASS,
21412 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
21413 dump_base_name, lang_decode_option, build_encode_expr,
21414 start_class, finish_class, encode_pointer, really_start_method,
21415 gen_declaration, dump_interface, handle_class_ref, handle_impent):
21417 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
21418 Add static prototypes.
21419 (build_objc_string_decl, build_selector_reference_decl,
21420 encode_bitfield, build_class_reference_decl): Remove unused
21421 parameter, all callers changed.
21422 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
21423 (objc_printable_name): Likewise. Change second parameter to type int.
21424 (init_objc): Use memcpy, not bcopy, to avoid casts.
21426 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
21428 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
21429 reg notes on a deleted insn.
21430 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
21432 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
21434 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
21436 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21438 * stmt.c (expand_asm_operands): Fix index into inout_mode when
21441 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
21443 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
21444 * tm.texi (MD_ASM_CLOBBERS): Document it.
21446 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
21448 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
21449 * except.c (expand_rethrow): Remove unused variable.
21450 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
21451 * flow.c (replace_insns): Likewise.
21452 (create_edge_list, verify_edge_list): Likewise.
21453 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
21455 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
21456 is special code to run.
21457 (main): Don't define operands to emit_operand.
21458 * genrecog.c (main): Don't emit an empty peephole2_insn function.
21460 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
21462 * alpha/alpha.h (normal_memory_operand): Declare.
21463 (reg_no_subreg_operand): Declare.
21464 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
21466 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
21468 * c-parse.in (compstmt_primary_start): New, broken out of first
21469 part of compstmt handling in primary.
21470 (primary): Use it. Add an error clause.
21471 (compstmt_nostart): Renamed from compstmt; remove all
21472 initial invocations of compstmt_start.
21475 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
21477 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
21480 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
21482 * combine.c (simplify_shift_const): Remove extra semicolon.
21483 * dwarf2out.c (remove_AT): Likewise.
21484 * expmed.c (expand_mult): Likewise.
21485 * gcov.c (create_program_flow_graph): Likewise.
21486 * reorg.c (mostly_true_jump): Likewise.
21488 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
21490 * fold-const.c (fold_range_test): Do not try to fold the range
21491 test if the rhs or lhs has side effects.
21493 * combine.c (simplify_rtx): Recognize another case of a synthesized
21496 * varasm.c (mark_constant_pool): When marking indirect references,
21497 only look at SYMBOL_REFs.
21499 * except.c (expand_fixup_region_end): Do not peek at
21500 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
21502 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
21504 * flags.h: New variables align_loops, align_loops_log,
21505 align_jumps, align_jumps_log, align_labels, align_labels_log,
21506 align_functions, align_functions_log.
21507 * toplev.c: Define them.
21508 (f_options): Handle -falign-* when they have no argument.
21509 (main): Add logic to set variables for -falign-functions,
21510 -falign-jumps, -falign-labels, -falign-loops.
21511 Make it -fsched-verbose=<n> and -finline-limit=<n>.
21512 (display_help): Change help to match options.
21513 * final.c (LABEL_ALIGN): Default to align_labels_log.
21514 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
21515 (LOOP_ALIGN): Default to align_loops_log.
21516 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
21517 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
21518 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
21519 * varasm.c (assemble_start_function): Handle align_functions.
21521 * config/sparc/sparc.h: Don't declare sparc_align_*.
21522 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
21523 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
21525 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
21527 * config/sparc/sparc.c: Delete sparc_align_loops,
21528 sparc_align_jumps, sparc_align_funcs and the corresponding string
21530 (sparc_override_options): Default align_functions on ultrasparc.
21531 Delete -malign-* handling.
21533 * config/mips/mips.c (override_options): On 64-bit targets,
21534 try to align code to 64-bit boundaries.
21535 (print_operand): New substitution, %~,
21536 which aligns labels to align_labels_log.
21537 * config/mips/mips.md (div_trap_normal): Use %~.
21538 (div_trap_mips16): Likewise.
21540 (absdi2): Likewise.
21541 (ffssi2): Likewise.
21542 (ffsdi2): Likewise.
21543 (ashldi3_internal): Likewise.
21544 (ashrdi3_internal): Likewise.
21545 (lshrdi3_internal): Likewise.
21546 (casesi_internal): Likewise.
21548 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
21550 Merge new ia32 backend from the branch!
21552 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
21553 See ChangeLog.P2 on new_ia32_branch for details.
21555 * rtl.h (stack_regs_mentioned_p): Delete prototype.
21556 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
21557 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
21558 * i386/gas.h (ASM_FILE_START): Define.
21559 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
21560 for name change of ix86_valid_decl_attribute_p.
21561 (i386_pe_valid_type_attribute_p): Similarly.
21563 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
21565 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
21566 to step through CC modes.
21568 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21570 * regmove.c (fixup_match_1): Don't move INSN in front of P if
21571 it would end up in the shadow of a live flags regsiter.
21573 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21575 * reload1.c: Fix many indentation problems.
21576 * reload.c: Likewise.
21578 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
21580 * alias.c (non_local_reference_p): Constify fmt.
21582 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
21584 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
21586 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
21588 * cse.c (delete_trivially_dead_insns): Do not delete stores to
21589 the internal_arg_pointer.
21591 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
21593 Merge peephole2 from new_ia32_branch:
21594 * Makefile.in (STAGESTUFF): Add *.peephole2.
21595 (mostlyclean): Likewise.
21596 (recog.o): Depend on resource.h.
21598 * final.c (peephole): Conditionalize decl on HAVE_peephole.
21599 (final_scan_insn): Likewise for the invocation of peephole.
21600 * genconfig.c (main): Look for peephole and peephole2 patterns.
21601 Emit HAVE_peephole* accordingly.
21602 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
21603 * flags.h (flag_peephole2): Declare.
21604 * toplev.c: New pass peephole2. New flag -fpeephole2.
21606 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
21607 * gencodes.c (main): Likewise.
21608 * genextract.c (main): Likewise.
21609 * genoutput.c (main): Likewise.
21610 * genemit.c (max_operand_1): Look for the max scratch operand.
21611 (gen_rtx_scratch): New.
21612 (gen_exp): Use it, and pass on new arg subroutine_type.
21613 (gen_expand): Take max scratch into account.
21614 (gen_split): Emit peephole2 functions.
21615 (output_peephole2_scratch): New.
21616 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
21617 * genrecog.c (routine_type): Add PEEPHOLE2.
21619 (make_insn_sequence): Match outer parallel for peep2. Discard
21620 top level scratches and dups.
21621 (add_to_sequence): New args insn_type and top. Update all callers.
21622 Handle toplevel peep2 matching insns.
21623 (write_subroutine): Handle peep2.
21624 (write_tree_1): Likewise.
21625 (write_tree): Likewise.
21627 (change_state): New arg afterward. Update all callers.
21628 Handle matching separate insns.
21629 * recog.c (recog_next_insn): New.
21630 (peephole2_optimize): New.
21631 * rtl.def (DEFINE_PEEPHOLE2): New.
21632 * resource.c (find_free_register): New argument last_insn. Use it
21633 to find a register available through the entire span.
21634 * resource.h (find_free_register): Update prototype.
21636 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
21638 * i386.c (output_strlen_unroll): Don't write xops[7]
21639 label if it wasn't set.
21641 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
21643 * cpplib.c (struct directive): Const-ify name pointer and
21644 function pointer prototype.
21645 (validate_else, do_define, do_line, do_include, do_undef,
21646 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
21647 do_elif, do_endif, do_sccs, do_assert, do_unassert,
21648 do_warning): Const-ify second arg.
21649 (directive_table): Mark const. Reorder entries by frequency
21650 of usage, record statistics.
21652 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
21654 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
21655 bounds- check RTL accesses if --enable-checking.
21656 (RTVEC_ELT): Bounds check if --enable-checking.
21657 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
21658 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
21659 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
21661 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
21662 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
21664 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
21665 (NOTE_SOURCE_FILE): Use X0STR.
21666 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
21667 MEM_ALIAS_SET): Use X0INT.
21668 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
21669 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
21671 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
21672 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
21673 (rtl_check_failed_bounds, rtl_check_failed_type1,
21674 rtl_check_failed_type2, rtvec_check_failed_bounds): New
21676 (fancy_abort): Fix comment.
21678 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
21679 (cse_insn): Decrement LABEL_NUSES for jump target before
21680 deleting jump insn.
21681 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
21682 * final.c (alter_subreg): Compute regno before changing x to
21683 REG; set REGNO(x) after changing it.
21684 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
21685 notes containing CONST_INTs.
21686 (delete_eh_regions): Use NOTE_EH_HANDLER.
21687 * function.c (put_reg_into_stack): Make reg a MEM before
21689 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
21691 (gen_mem_addressof): Make reg a MEM before initializing it.
21692 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
21694 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
21695 deleting an insn, not after.
21696 (block_alloc): Only look at PATTERN(insn) if we have to, and
21697 only if it's format class 'i'.
21698 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
21699 CONST_INT before using its INTVAL.
21700 * print-rtl.c (print_rtx): Use X0STR.
21701 * regmove.c (fixup_match_1): Don't look at PATTERN of
21702 non-class-'i' insn chain elements.
21703 * reload.c (loc_mentioned_in_p): Take address of
21704 in->fld[1].rtx directly.
21705 * reload1.c (reload): Change reg to a MEM before initializing
21707 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
21709 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
21711 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
21713 * config/mips/mips.c (machine_dependent_reorg): Force a
21714 barrier to output the local constant pool if a barrier hasn't
21715 been found at a natural point in the instruction stream.
21717 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21719 * c-parse.in (language_string): Constify.
21721 * dwarf2out.c (language_string): Remove declaration.
21723 * dwarfout.c (language_string): Likewise.
21725 * toplev.c (language_string, init_parse, finish_parse): Likewise.
21727 * tree.h (language_string, init_parse, finish_parse): Declare.
21729 * i386/sun386.h (language_string): Remove declaration.
21731 * mips.h (language_string): Likewise.
21733 * nextstep.h (language_string): Likewise.
21735 * nextstep21.h (language_string): Likewise.
21737 * rs6000.c (language_string): Likewise.
21739 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21741 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
21742 (getpwd.o): Remove target.
21744 * getpwd.c: Delete file. Its in libiberty now.
21746 * dbxout.c (getpwd): Don't prototype.
21747 * dwarf2out.c (getpwd): Likewise
21748 * dwarfout.c (getpwd): Likewise
21749 * final.c (getpwd): Likewise.
21750 * protoize.c (getpwd): Likewise.
21752 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21754 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
21756 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
21758 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
21759 mark_set_resources.
21761 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
21763 * fixinc/Makefile.in (subdir): New.
21764 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
21767 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
21769 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
21770 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
21773 * invoke.texi: Fix typo.
21775 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
21776 changed. Handle autoincrement addressing modes.
21778 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
21779 just like we would the virtual incoming args register when
21782 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
21784 * rs6000.h (ASM_FILE_START): Specify complete filename, including
21785 path, in .file directive.
21787 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
21789 * gcc.texi (External Bugs): Remove obsolete note about Perl on
21792 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
21794 * stdbool.h: Make the typedef name _Bool, with bool a #defined
21797 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21799 * tree.c (tree_code_name): Constify a char*.
21801 * tree.h (tree_code_name, decl_printable_name): Likewise.
21803 * function.h (struct function): Likewise.
21805 * toplev.c (decl_name, decl_printable_name): Likewise.
21807 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
21809 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
21810 (init_objc): Remove function pointer cast.
21812 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21814 * pa.md (interspace_jump): New pattern.
21815 (builtin_longjmp): New expander.
21817 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
21819 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
21820 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
21821 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
21823 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
21825 * jump.c (delete_prior_computation): Also check calls
21826 to constant functions. Don't bother checking for a
21827 REG_UNUSED note before adding it.
21828 (delete_computation): Handle multi-word hard registers
21829 when synthesizing missing REG_DEAD notes for a register
21830 which is both set and used by an insn.
21832 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21834 * loop.c (this_loop_info): New variable.
21835 (loop_has_call, loop_has_volatile, loop_has_tablejump,
21836 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
21838 (prescan_loop, strength_reduce): New argument loop_info. All callers
21840 (scan_loop): New variable loop_info, initialise to address of
21842 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
21843 Delete variable loop_has_multiple_exit targets and replace with
21844 field in this_loop_info.
21845 (find_and_verify_loops): Rename this_loop to this_loop_num.
21846 (strength_reduce): Delete loop_iteration_info. Replace variable
21847 loop_info with function argument of same name.
21848 (insert_bct): Rework test for loop being completely unrolled.
21850 * loop.h (struct loop_info): New fields num, loops_enclosed,
21851 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
21852 has_indirect_jump, and cont. Redefine use of unroll_number.
21853 (loop_unroll_number): Delete.
21855 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
21856 field of loop_info.
21857 (loop_iterations): Delete variable vtop and instead use
21858 loop_info->vtop computed in prescan_loop.
21860 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
21862 * fix-header.c (main): Do not pass a null pointer to strcmp.
21864 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
21866 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
21868 * configure: Rebuilt.
21870 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
21872 * jump.c (jump_optimize_1): Do not delete assignments to
21873 internal_arg_pointer.
21874 * cse.c (delete_trivially_dead_insns): Always consider a set of
21875 the internal_arg_pointer live.
21877 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
21879 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
21880 (update_life_info) [REG_WAS_0]: Search the original insns rather
21881 than the new insns for the note. Fix typos finding note_dest.
21882 If no dest found, discard the note rather than abort.
21883 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
21884 (replace_insns): Remove the old insn list after update_life_info
21887 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
21889 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
21890 sched_analyze_insn.
21891 (sched_analyze_1): Let add_dependence care for not adding dups.
21892 (sched_analyze_2): Likewise.
21893 (add_branch_dependences): Likewise.
21895 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
21897 * i386/winnt.c (export_list): New type.
21898 (exports_head): Rename to
21899 (export_head): this.
21900 (i386_pe_record_exported_symbol): Add is_data flag.
21901 (i386_pe_asm_file_end): Emit directive for exported variables.
21902 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
21904 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
21905 (ASM_DECLARE_OBJECT_NAME): Likewise.
21906 (ASM_DECLARE_FUNCTION_NAME): Likewise.
21907 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
21909 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
21911 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
21913 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
21916 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
21918 * config/openbsd.h: Define SET_ASM_OP.
21919 * tm.texi: cross-reference SET_ASM_OP in the index.
21921 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
21923 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
21924 for a CONST_DOUBLE, at compile time. Initialize rtx_length
21925 and class_narrowest_mode at compile time. Kill init_rtl.
21926 Mark rtx_length, mode_class, mode_size, mode_unit_size,
21927 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
21928 rtx_format as const. Kill all references to EXTRA_CC_MODES or
21930 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
21932 * rtl.h: Declare rtx_length and rtx_format as const.
21933 * machmode.def: Define CC(). Use CC() to define CCmode. If
21934 EXTRA_CC_MODES is defined, expand it here.
21935 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
21936 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
21937 const. Kill all references to EXTRA_CC_MODES.
21939 * toplev.c: Don't prototype or call init_rtl.
21940 * optabs.c: Don't call init_mov_optab.
21941 * genemit.c: Don't generate init_mov_optab. Don't call
21943 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
21945 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
21946 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
21947 genrecog.c: Don't call init_rtl.
21949 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
21950 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
21951 definition of EXTRA_CC_MODES.
21953 * md.texi: Kill ref to EXTRA_CC_NAMES.
21954 * tm.texi: Document new way to define EXTRA_CC_MODES.
21956 * genrecog.c: Do not look up the name of a define_split.
21957 (Unrelated bugfix.)
21959 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
21961 * config/v850/v850.md: Fix typo introduced by previous delta.
21963 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21965 * gcc.c (fatal): Make definition static to match prototype.
21967 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21969 * combine.c (get_last_value): Don't look for earlier sets if the last
21970 known set is somewhere in between the insns being combined.
21972 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
21974 * configure.in: Don't use shell ! to negate exit codes
21975 * configure: Regenerate
21977 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
21979 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
21980 the fact that ALIGN is measured in bits, not bytes.
21982 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
21984 * errors.c: New file; defines functions error, warning, and
21985 fatal, variables have_error and progname.
21986 * errors.h: New file; prototypes and decls for stuff in errors.c.
21988 * Makefile: Add rules to build errors.o and
21989 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
21990 genopinit, genrecog, genextract, genpeep, genattr, and
21991 genoutput with errors.o. Add errors.h to deps of genconfig.o,
21992 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
21993 genpeep.o, genattr.o, and genoutput.o.
21995 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
21996 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
21997 define or prototype fatal. Set progname at beginning of main.
21998 * genoutput.c: Likewise, and don't define or prototype error
22001 * c-typeck.c (c_expand_start_case): Return immediately if exp
22003 * fold-const.c (operand_equal_p): Return immediately if arg1
22004 or arg0 are ERROR_MARKs.
22005 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
22006 fields of type ERROR_MARK when calculating if the record can
22009 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
22010 with much help from Jeffrey A Law and Richard Henderson
22012 * i386.md: In the 6 insns which call output_fix_trunc,
22013 earlyclobber operands[0].
22015 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
22017 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
22018 creating new registers.
22020 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
22022 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
22023 i386_reg_alloc_order, i386_regparm_string,
22024 i386_align_loops_string, i386_align_jumps_string,
22025 i386_align_funcs_string, i386_preferred_stack_boundary_string,
22026 and i386_branch_cost_string as type "const char *".
22027 * i386.c: Define all above strings as type "const char *".
22029 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
22031 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
22032 when emitting alignment padding. Emit padding byte of 0 instead of 4.
22034 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
22036 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
22037 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
22039 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
22041 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
22042 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
22043 (dwarf2out_line, dwarf2out_finish): Likewise.
22044 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
22046 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
22048 * tree.c (lang_unsave_expr_now) : Correct return type.
22049 * tree.h (lang_unsave_expr_now) : Same.
22051 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
22053 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
22054 instead of duplicating code.
22056 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22058 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
22060 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
22062 * tree.h: fancy_abort always takes three args.
22063 * resource.c: Move include of system.h before toplev.h.
22065 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
22067 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
22070 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
22072 * system.h: Don't redefine abort or trim_filename.
22073 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
22074 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
22075 whether or not __FUNCTION__ is available.
22076 * tree.h: Duplicate rtl.h's definition of abort, for files
22077 that don't include rtl.h. Delete all code to perform type
22078 checking with a compiler other than GCC.
22079 * varray.h: Delete all code to perform type checking with a
22080 compiler other than GCC. Make VARRAY_CHECK() always evaluate
22081 its arguments exactly once, using a statement expression.
22082 Adjust the VARRAY_<type> accessor macros to match.
22083 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
22084 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
22085 caller's location. Define fatal_insn and fatal_insn_not_found
22086 as macros that use _fatal_insn and _fatal_insn_not_found.
22087 (fancy_abort, trim_filename): Kill prototypes.
22089 * rtl.c (trim_filename): Move here from toplev.c.
22090 (fancy_abort): New function.
22091 (DIR_SEPARATOR): Provide default definition.
22092 * tree.c (tree_check_failed, tree_class_check_failed): Go
22093 through fancy_abort.
22094 (tree_check, tree_class_check, cst_or_constructor_check,
22095 expr_check): Delete.
22096 * varray.c (varray_check_failed): New function.
22097 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
22098 _fatal_insn and _fatal_insn_not_found. Go through
22100 (trim_filename, fancy_abort): Delete.
22102 * builtins.c (expand_builtin_args_info): Report ICE with abort.
22103 * except.c (start_catch_handler): Report ICE with error/abort
22105 * final.c (output_operand_lossage): Likewise.
22106 * flow.c (verify_flow_info): Likewise.
22108 * gcc.c: Prototype fatal.
22109 * gengenrtl.c: Undef abort after including rtl.h not system.h.
22110 * genattr.c, genattrtab.c, genemit.c, genextract.c,
22111 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
22112 Don't define fancy_abort.
22114 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
22116 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
22119 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
22121 * m88k.h (VERSION_INFO2): Kill.
22122 (VERSION_STRING): Kill.
22124 (VERSION_INFO1): Tidy.
22125 (TARGET_VERSION): Update.
22126 * m88k/dgux.h (VERSION_INFO2): Kill.
22127 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
22128 * m88k/luna.h (VERSION_INFO1): Tidy.
22129 * m88k/sysv4.h (VERSION_INFO1): Likewise.
22130 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
22131 (output_file_start): Adjust for death of VERSION_STRING.
22133 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
22135 * cpplib.c (detect_if_not_defined): New function.
22136 (do_if): Use it to detect potential once-only headers.
22138 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
22140 * c-common.c (combine_strings): Always set TREE_CONSTANT.
22142 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
22144 * combine.c (nonzero_bits) : Allow single-ly set registers to be
22145 anywere in the function only if they are pseudos and set before
22146 being used (not live at the start of the function).
22147 (num_sign_bit_copies) : Same.
22148 (get_last_value_validate) : Same.
22149 (get_last_value) : Same.
22151 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
22153 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
22154 where N and M are constant and N is an integer multiple of M.
22156 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22158 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
22159 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
22160 sbitmap_union_of_preds): Add prototypes.
22161 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
22162 the intersection of successors with the new flow graph structures.
22163 (sbitmap_intersection_of_preds): New function to compute the
22164 intersection of predecessors with the new flow graph structures.
22165 (sbitmap_union_of_succs): New function to compute the union of
22166 successors with the new flow graph structures.
22167 (sbitmap_union_of_preds): New function to compute the union of
22168 predecessors with the new flow graph structures.
22169 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
22170 (expr_reaches_here_p): Use edge and basic_block structures instead
22171 of s_preds and s_succs.
22172 (compute_cprop_avinout): Use new sbitmap routines.
22173 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
22174 of s_preds and s_succs.
22175 * flow.c (compute_flow_dominators): Compute dominators using
22176 edges and basic blocks instead of s_preds and s_succs.
22178 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22180 * lists.c (unused_insn_list, unused_expr_list): New file for
22181 maintaining various types of lists. New statics for maintaining a
22182 cache of available INSN_LIST and EXPR_LIST nodes.
22183 (free_list): Static function for freeing a list of INSN/EXPR nodes.
22184 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
22185 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
22186 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
22187 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
22188 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
22189 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
22190 (free_INSN_LIST_node): Free an individual INSN_LIST node.
22191 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
22192 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
22193 (remove_dependence, free_pending_lists): Use new global routines.
22194 (flush_pending_lists, sched_analyze_insn): Use new global routines.
22195 (sched_analyze, compute_block_backward_dependences): Use new routines.
22196 (sched_analyze_1, sched_analyze_2): Use new routines.
22197 (schedule_insns): Use new global routines.
22198 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
22200 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
22201 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
22203 * toplev.c (rest_of_compilation): Initialize node cache.
22204 * Makefile.in (OBJS): Add lists.o to list of object files.
22205 (lists.o): Add dependancies.
22207 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
22209 * config/v850/v850.md: Fix compile time warning messages.
22210 * config/v850/v850.c: Fix compile time warning messages.
22211 * config/v850/v850.h: Fix compile time warning messages.
22213 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22215 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
22216 Remove unused prototype for `init_lengths'.
22218 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22220 * calls.c (emit_call_1): Mark parameter `stack_size' with
22222 (expand_call): Initialize variable `insn'.
22223 (emit_library_call): Likewise for variable `high_to_save'.
22224 (emit_library_call_value): Likewise.
22225 (store_one_arg): Likewise for variables `lower_bound' and
22228 * combine.c (try_combine): Likewise for variables `i2_code_number'
22229 and `other_code_number'.
22230 (find_split_point): Likewise for variables `pos', `unsignedp' and
22232 (simplify_if_then_else): Likewise for variables `op' and `c1'.
22233 (simplify_and_const_int): Remove unused variable `width'.
22234 (merge_outer_ops): Likewise.
22236 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
22237 HOST_WIDE_INT' when comparing against one.
22238 (simplify_relational_operation): Likewise.
22239 (cse_insn): Initialize variables `src_eqv_volatile',
22240 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
22242 * final.c (init_final): Constify parameter `filename'.
22243 (final_start_function): Mark parameter `optimize' with
22245 (profile_function): Likewise for parameters `first' and `optimize'.
22246 (output_source_line): Likewise for parameter `file'.
22248 * integrate.c (subst_constants): Cast a value to `size_t' when
22249 comparing against one.
22250 (mark_stores): Initialize variable `mode'. Cast a value to
22251 `size_t' when comparing against one.
22253 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
22255 * loop.c (move_movables): Initialize variable `first'.
22256 (strength_reduce): Likewise for variable `increment'.
22257 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
22258 value to `size_t' when comparing against one.
22259 (load_mems): Initialize variable `end_label'.
22261 * output.h (init_final): Constify parameter.
22263 * reload.c (decompose): Initialize variable `base'.
22265 * reload1.c (reload): Likewise for variable `is_scalar'.
22266 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
22267 (choose_reload_regs): Initialize variable `mode'.
22268 (emit_reload_insns): Likewise for variable `store_insn'.
22269 (reload_cse_noop_set_p): Mark parameter `insn' with
22271 (reload_combine): Initialize variable `set'.
22273 * unroll.c (unroll_loop): Likewise for variable `local_label'.
22274 (copy_loop_body): Cast a value to `size_t' when comparing against
22277 * varasm.c (assemble_variable): Initialize variable `size_tree'.
22278 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
22279 (remove_from_pending_weak_list): Mark parameter `name' with
22282 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22284 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
22287 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
22289 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
22290 (ASM_DECLARE_FUNCTION_NAME): Define.
22291 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
22292 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
22293 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
22294 not already defined.
22296 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
22298 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
22299 of n_popped when call/call_value are not defined.
22301 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
22303 * tm.texi: GNU CC -> GCC conversion.
22304 (CC1_SPEC): Indicate it is used for all language front ends.
22306 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
22308 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
22309 NOTE_INSN_EH_REGION_END correctly.
22311 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
22312 Jeff Law <law@cygnus.com>
22314 * loop.c (strength_reduce): Automatically unroll loops if the
22315 unrolled loop size is smaller than the rolled loop size.
22317 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
22318 and delete comment that code should be rewritten.
22320 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
22322 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
22325 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
22327 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22329 * fixinc/mkfixinc.sh: Don't fix uwin headers.
22330 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
22331 (LINK_SPEC): Add -u _main when building executables.
22332 (ASM_DECLARE_FUNCTION): Update from Cygwin.
22333 (ASM_FILE_END): Use the default for ix86-pe.
22334 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
22336 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
22338 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
22339 and ASM_CLOSE_PAREN are empty strings.
22341 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
22342 Geoffrey Keating <geoffk@cygnus.com>
22344 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
22345 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
22346 (unprotoize.o): Ditto.
22347 (test-protoize-simple): Don't define STD_PROTO_DIR.
22348 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
22349 changes to make 'test-protoize-simple' pass.
22350 (STD_PROTO_DIR): Remove define.
22351 (STANDARD_EXEC_PREFIX): Supply default define.
22352 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
22353 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
22354 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
22355 (GET_ENV_PATH_LIST): New macro.
22356 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
22357 (do_processing): Initialize default_syscalls_dir using new
22358 macros. Use it to initialize syscalls_absolute_filename.
22360 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
22362 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
22363 B into a register before emit_conditional_move.
22365 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
22367 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
22368 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
22369 multiplicand out of (+ (* a b) (* c d)).
22371 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
22372 Richard Henderson <rth@cygnus.com>
22374 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
22375 (new_insn_dead_notes): Likewise.
22376 (update_n_sets): Likewise.
22377 (update_flow_info): Move to flow.c, renamed to update_life_info;
22378 extend to handle multiple source insns.
22379 * flow.c: Include resource.h
22380 (unlink_insn_chain): New.
22381 (split_hard_reg_notes): New.
22382 (maybe_add_dead_note): New.
22383 (maybe_add_dead_note_use): New.
22384 (find_insn_with_note): New.
22385 (new_insn_dead_notes): New.
22386 (update_n_sets): New.
22387 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
22388 (maybe_remove_dead_notes): New.
22389 (update_life_info): New.
22390 (prepend_reg_notes): New.
22391 (replace_insns): New.
22392 * output.h (update_life_info): Declare.
22393 * recog.c (split_block_insns): Use update_life_info.
22394 * resource.c (find_free_register): Use reg_alloc_order, don't use
22395 fixed regs, make sure the mode is supported, don't use new regs.
22397 * rtl.h (replace_insns): Declare.
22399 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
22401 * expr.c (expand_expr): Cope with COND_EXPRs with one
22402 non-returning branch.
22404 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
22406 * expr.c (store_expr): Always pass down the target, even when not
22409 1999-08-24 Nick Clifton <nickc@cygnus.com>
22411 * configure.in: Define target_cpu_default for v850 targets.
22412 * configure: Regenerate
22414 * config/v850/v850.h (TARGET_CPU_generic): Define.
22415 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
22416 addresses are 4 byte aligned.
22418 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
22421 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22423 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
22424 (main): Add prototypes.
22426 * genattrtab.c (substitute_address, write_const_num_delay_slots,
22427 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
22428 (write_attr_get): Emit prototypes along with function definition.
22429 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
22430 (write_complex_function): Emit static prototype along with
22431 function definition.
22433 * genemit.c (gen_split): Emit prototypes along with function
22436 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
22437 Likewise for predicates and `insn_operand_predicate'.
22438 (process_template): Emit static prototype along with function
22441 * genrecog.c (make_insn_sequence): Constify a char*. Add
22442 prototypes for get_split_*().
22443 (write_subroutine): Emit prototypes along with function
22446 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22448 * gcse.c (find_avail_set): Follow chains of register-register copies.
22449 Use oprs_not_set_p to guarantee that the returned value can be
22451 (cprop_insn): Don't verify the return value of find_avail_set with
22454 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
22455 (cprop_cc0_jump): New function.
22456 (cprop_insn): Break out new function cprop_jump and use it.
22457 Also use cprop_cc0_jump for machines with CC0.
22458 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
22460 * tree.h (current_function_calls_setjmp,
22461 current_function_calls_longjmp): Delete declarations.
22462 * dsp16xx.c: Include "function.h".
22463 * elxsi.c: Likewise.
22464 * gmicro.c: Likewise.
22465 * h8300.c: Likewise.
22466 * i370.c: Likewise.
22467 * m32r.c: Likewise.
22468 * mn10200.c: Likewise.
22469 * mn10300.c: Likewise.
22470 * ns32k.c: Likewise.
22471 * spur.c: Likewise.
22472 * v850.c: Likewise.
22474 * rtl.h (rtx_equal_function_value_matters): Declare.
22475 * toplev.c (rtx_equal_function_value_matters): Don't declare.
22477 * function.c: Likewise.
22478 * emit-rtl.c: Likewise.
22480 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
22482 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
22485 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
22487 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
22490 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
22492 * cpp.texi: Add a node documenting macro varargs (copied
22495 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
22497 * cppspec.c: Put a null pointer at the end of the new argv.
22499 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
22501 * configure.in: Remove code to select/de-select the haifa
22502 scheduler. Every scheduled port gets haifa now.
22503 * configure: Rebuilt.
22504 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
22506 * Makefile.in: Corresponding changes.
22508 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22510 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
22511 All callers changed.
22512 (prepare_float_lib_cmp): Likewise.
22513 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
22514 * expr.h (emit_float_lib_cmp): Delete declaration.
22515 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
22516 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
22517 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
22519 (cmptf): Now conditional on TARGET_HARD_QUAD.
22521 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
22523 * resource.c (mark_target_live_regs): Use
22524 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
22526 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22528 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
22530 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
22532 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
22534 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22536 * rtl.h (rtx_format): Constify a char*.
22538 * rtl.c (rtx_format): Likewise.
22539 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
22540 (init_rtl): Use accessor macro, not `rtx_format'.
22542 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
22545 * caller-save.c (mark_referenced_regs): Likewise.
22547 * combine.c (subst, make_compound_operation, known_cond,
22548 gen_rtx_combine, update_table_tick, get_last_value_validate,
22549 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
22551 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
22552 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
22553 count_reg_usage): Likewise.
22555 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
22558 * final.c (leaf_renumber_regs_insn): Likewise.
22560 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
22561 dump_edge_info, count_reg_references): Likewise.
22563 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
22564 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
22567 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
22568 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
22569 add_label_notes): Likewise.
22571 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
22572 clear_struct_flag, count_sub_rtxs, count_alternatives,
22573 compares_alternatives_p, contained_in_p, walk_attr_value,
22574 write_expr_attr_cache): Likewise.
22576 * genconfig.c (walk_insn_part): Likewise.
22578 * genemit.c (max_operand_1, gen_exp): Likewise.
22580 * genextract.c (walk_rtx): Likewise.
22582 * genflags.c (num_operands): Likewise.
22584 * genoutput.c (scan_operands): Likewise.
22586 * genpeep.c (match_rtx): Likewise.
22588 * genrecog.c (add_to_sequence): Likewise.
22590 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
22593 * integrate.c (save_constants, copy_for_inline,
22594 copy_rtx_and_substitute, subst_constants, restore_constants):
22597 * jump.c (mark_jump_label, invert_exp, redirect_exp,
22598 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
22600 * local-alloc.c (contains_replace_regs, memref_referenced_p):
22603 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
22604 add_label_notes, replace_call_address, count_nonfixed_reads,
22605 invariant_p, find_single_use_in_loop, find_mem_givs,
22606 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
22609 * print-rtl.c (reg_names, print_rtx): Likewise.
22611 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
22613 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
22614 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
22615 print_blocks): Likewise.
22617 * regclass.c (fix_register, record_address_regs,
22618 reg_scan_mark_refs): Likewise.
22620 * regmove.c (stable_but_for_p): Likewise.
22622 * reload.c (loc_mentioned_in_p, operands_match_p,
22623 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
22624 copy_replacements, refers_to_regno_for_reload_p,
22625 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
22626 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
22629 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
22630 delete_address_reloads_1, count_occurrences,
22631 reload_cse_mem_conflict_p, reload_combine_note_use,
22632 add_auto_inc_notes): Likewise.
22634 * resource.c (mark_referenced_resources, mark_set_resources):
22637 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
22638 reg_mentioned_p, regs_set_between_p, modified_between_p,
22639 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
22640 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
22641 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
22642 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
22644 * sched.c (sched_analyze_2, attach_deaths): Likewise.
22646 * stupid.c (stupid_mark_refs): Likewise.
22648 * unroll.c (remap_split_bivs): Likewise.
22650 * varasm.c (mark_constants): Likewise.
22652 * a29k/a29k.c (uses_local_reg_p): Likewise.
22654 * alpha/alpha.c (summarize_insn): Likewise.
22656 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
22657 eliminate_lr2ip): Likewise.
22659 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
22661 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
22662 reg_mentioned_in_mem): Likewise.
22664 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
22665 symbolic_reference_mentioned_p): Likewise.
22667 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
22669 * sh/sh.c (regs_used, mark_use): Likewise.
22671 * vax/vax.c (vax_rtx_cost): Likewise.
22673 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22675 * machmode.h (mode_name): Constify a char*.
22677 * rtl.c (mode_name): Likewise.
22679 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
22681 * optabs.c (init_libfuncs): Constify a char*.
22683 * print-tree.c (mode_name): Remove redundant declaration.
22684 (print_node): Use accessor macro, not `mode_name'.
22686 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
22688 (new_spill_reg): Constify a char*.
22690 * tree.c (mode_name): Remove redundant declaration.
22692 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22694 * rtl.c (rtx_name): Constify a char*.
22696 * rtl.h (rtx_name, fix_sched_param): Likewise.
22698 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
22699 (mypr): Use accessor macro, not `rtx_name'.
22701 * genemit.c (print_code): Constify a char*.
22703 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
22705 * genpeep.c (print_code): Constify a char*.
22707 * genrecog.c (print_code): Likewise.
22709 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
22710 end_bb): Add static prototype.
22711 (draw_edge): Constify a char*.
22712 (end_bb): Remove unused parameter.
22714 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
22715 print_block_visualization): Constify a char*.
22717 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
22719 * c-common.c (c_get_alias_set): Update comment.
22721 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
22723 * linux.h (LIB_SPEC): Added.
22725 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22727 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
22729 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
22731 * tree.c (expr_check): Fix typo in last change.
22733 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
22735 * rtl.def (NOTE): Change format to "iuu0n".
22736 (ADDR_DIFF_VEC): Change format to "eEee0".
22737 (ADDRESSOF): Change format to "eit".
22739 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
22740 (RTVEC_ELT): Change to match.
22741 (XVECEXP): Use XVEC and RTVEC_ELT.
22742 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
22743 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
22744 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
22745 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
22746 TRAP_CONDITION, TRAP_CODE): Use XEXP.
22747 (INTVAL): Use XWINT.
22748 (ADDRESSOF_DECL): Use XTREE.
22749 (SET_ADDRESSOF_DECL): Delete.
22750 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
22751 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
22752 ifdefed out since 2.6 at least.
22753 (gen_rtvec_vv): Delete prototype.
22755 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
22757 (copy_most_rtx): Handle 't' format letter.
22758 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
22759 (gen_rtvec_vv): Delete function. All callers changed to use
22760 gen_rtvec_v instead.
22761 * print-rtl.c (print_rtx): Move special casing of NOTEs to
22762 the '0' format letter.
22764 * function.c (gen_mem_addressof): Don't use
22765 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
22767 * integrate.c (copy_rtx_and_substitute): Likewise.
22768 Copy 't' slots with XTREE.
22769 (subst_constants): Treat 't' slots like '[swi]' slots.
22770 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
22771 * jump.c (rtx_equal_for_thread_p): Likewise.
22772 * rtlanal.c (rtx_equal_p): Likewise.
22773 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
22774 only four arguments.
22775 * gengenrtl.c (type_from_format): Provide correct types for
22779 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
22780 If a recent gcc is in use (always in stage2 and beyond), use
22781 statement expressions, so we don't make a function call unless
22782 the check fails. Evaluate arguments exactly once.
22783 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
22784 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
22786 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
22787 they evaluate their arguments exactly once, irrespective of
22788 the compiler in use.
22790 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
22791 is used by the currently-enabled check macros. This is:
22792 (tree_check_failed, tree_class_check_failed): For gcc.
22793 (tree_check, tree_class_check, cst_or_constructor_check,
22794 expr_check): For other compilers.
22796 * gencheck.c: Do not define any *_CHECK1 macros.
22798 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
22799 Mark Mitchell <mark@codesourcery.com>
22801 * c-common.c (c_get_alias_set): Fix support for poitners and
22804 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
22806 * alias.c: Include tree.h.
22807 (nonlocal_reference_p, mark_constant_function): New functions.
22808 * flow.c (life_analysis): Call mark_constant_function.
22809 * rtl.h (mark_constant_function): Declare it.
22811 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
22813 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
22814 unrecognisable switches.
22816 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22818 * loop.c (recombine_givs): Set ix field after sorting.
22819 (recombine_givs): Remove bogus index / giv lockstep looping.
22821 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22823 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
22825 (emit_store_flag_force): Use do_compare_rtx_and_jump.
22826 (do_cmp_and_jump): Formatting fixes.
22827 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
22828 do_compare_rtx_and_jump instead of compare_from_rtx.
22829 (do_compare_rtx_and_jump): New function; mostly copied from
22831 (do_jump_for_compare): Delete.
22832 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
22834 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
22835 of compare/do_jump_for_compare pairs.
22836 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
22837 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
22838 compare_from_rtx/do_jump_for_compare pairs.
22839 (do_jump_by_parts_equality): Likewise.
22840 (do_jump_by_parts_equality_rtx): Likewise.
22841 * expr.h (do_compare_rtx_and_jump): Declare.
22842 * optabs.c (prepare_cmp_insn): New function, contains most of the code
22843 that used to be in emit_cmp_insn.
22844 (cmp_available_p): New function.
22845 (prepare_operand): New function.
22846 (emit_cmp_and_jump_insn_1): New function, contains some code that used
22847 to be in emit_cmp_insn.
22848 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
22849 parameters to be pointers; don't emit final compare but modify some of
22850 the values pointed to by the args so the caller can perform the
22851 correct comparison.
22852 (expand_binop): Call emit_store_flag_force with signed forms of
22854 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
22855 emit_jump_insn pair.
22856 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
22857 emit_cmp_and_jump_insn_1. Call emit_queue.
22858 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
22860 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
22861 jump sets cc0 before deleting it.
22862 * integrate.c (expand_inline_function): Likewise.
22863 * unroll.c (unroll_loop): Similar changes in several places.
22864 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
22865 before deleting it.
22867 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22869 * Makefile.in (insn-recog.o): Update dependencies.
22870 * genrecog.c (main): Make generated file include "function.h".
22872 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
22874 * cse.c (cse_insn): Call never_reached_warning when a jump is
22875 changed to be unconditional.
22876 * flags.h: Declare warn_notreached.
22877 * flow.c (delete_block): Call never_reached_warning when
22878 a block is deleted.
22879 * jump.c (delete_barrier_successors): Call never_reached_warning
22880 when we delete everything after a BARRIER.
22881 (never_reached_warning): New function.
22882 * rtl.h: Declare never_reached_warning.
22883 * toplev.c (warn_notreached): New variable.
22884 (lang_independent_options): Set warn_notreached
22885 when -Wunreachable-code.
22886 (compile_file): We need line numbers for -Wunreachable-code.
22888 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
22890 * haifa-sched.c (insn_unit): Fix typo on out of range test.
22891 * sched.c (insn_unit): Likewise.
22893 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
22895 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
22897 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22899 * flow.c (create_edge_list): Use xmalloc, not malloc.
22901 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
22903 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
22904 C-style comments. Do not lose the character before double slash.
22906 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22908 * basic-block.h (struct edge_list): Stucture to maintain a vector
22910 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
22911 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
22912 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
22913 New function prototypes.
22914 * flow.c (create_edge_list): Function to create an edge list.
22915 (free_edge_list): Discards memory used by an edge list.
22916 (print_edge_list): Debug output showing an edge list.
22917 (verify_edge_list): Internal consistency check for an edge list.
22918 (find_edge_index): Function to find an edge index for a pred and succ.
22920 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
22922 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
22925 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
22927 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
22929 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
22931 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
22933 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
22935 * toplev.c (rest_of_compilation): Allow machine dependent
22936 reorganisation pass to place information into the RTL dump
22937 file if it so wishes.
22939 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
22941 * explow.c (hard_function_value): Use VOIDmode instead of
22943 * stmt.c (expand_return): Likewise.
22944 * stor-layout.c (get_best_mode): Likewise.
22946 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
22947 emit call instead of emit_insn call.
22949 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22951 * configure.in: Handle --disable/enable-win32-registry.
22952 * install.texi: Document --disable/enable-win32-registry.
22953 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
22954 (WIN32_REGISTRY_KEY): New macro.
22955 * prefix.c: Use to enable/disable win32-specific code.
22956 (lookup_key): Use versioned key.
22957 * configure: Regenerate.
22958 * config.in: Likewise.
22960 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
22962 * cpplib.c (read_line_number): New fn, split out of...
22965 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
22967 tree.c (lang_unsave_expr_now) : New.
22968 (unsave_expr_now): Call lang_unsave_expr_now.
22969 tree.h (lang_unsave_expr_now) : New.
22971 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
22973 * toplev.c (flag_new_exceptions): On by default.
22975 1999-08-13 Michael Meissner <meissner@cygnus.com>
22977 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
22979 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22981 * dwarfout.c (fundamental_type_code): Return FT_boolean for
22982 INTEGER_TYPE with precision==1, it's __java_boolean.
22984 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22986 * global.c (prune_preferences): Move some invariants out of the
22989 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
22991 * configure.in (alpha*-dec-osf*): Add osf5.
22993 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
22995 * configure.in: Rework handling of ARM GNU/Linux slightly.
22996 (arm*-*-linux-gnuoldld): New target.
22997 * configure: Regenerate.
22998 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
22999 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
23000 * config/arm/linux-oldld.h: New file.
23001 * config/arm/linux-elf26.h: Don't include linux-elf.h.
23002 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
23004 * config/arm/linux-elf.h (ASM_SPEC): Define.
23005 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
23006 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
23007 for 26-bit APCS and old linker.
23008 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
23010 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
23011 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
23012 don't define `arm' or `arm_elf'.
23013 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
23014 MULTILIB_DIRNAMES): Define. Fix typo in comment.
23016 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
23018 * rtl.texi: Fix typo.
23020 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
23022 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
23024 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
23026 * extend.texi (C++ Signatures): Remove node.
23027 * invoke.texi: Remove discussion of -fhandle-signatures,
23028 signature, sigof, __signature__, and __sigof__.
23030 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
23032 * Makefile.in (JAVAGC): Removed.
23034 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
23036 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
23038 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
23040 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
23042 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
23044 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
23045 a register that is already known to be a pointer.
23047 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
23049 * fixinc/inclhack.tpl: Only install assert.h conditionally.
23050 * fixinc/inclhack.sh: Regenerated.
23051 * fixinc/fixincl.sh: Regenerated.
23053 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
23055 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
23056 Fix documentation of -ansi flag to describe its C++ behavior.
23057 Remove bogus reference to GCC 2.9.
23059 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
23061 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
23062 note if it is non-NULL.
23064 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23066 * except.h (eh_nesting_info): Add new structure defintion.
23067 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
23068 (reachable_handlers, update_rethrow_references): Add function
23070 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
23071 a rethrow symbol instead of an integer exception region number.
23072 * flow.c (Make_edges): Use new exception nesting routines to determine
23073 which handlers are reachable from a CALL or asynchronous insn.
23074 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
23076 (delete_eh_regions): Update rethrow labels, and don't delete
23077 regions which are the target of a rethrow.
23078 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
23079 avoid overloading the SYMBOL_REF_USED flag.
23080 (rethrow_symbol_map): Use new rethrow_ref field.
23081 (rethrow_used): Use new rethrow_ref field.
23082 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
23083 of an integer. Fix formatting.
23084 (output_exception_table_entry): Use new rethrow_ref field.
23085 (can_throw): Check for EH_REGION_NOTE before deciding
23086 whether a CALL can throw or not.
23087 (scan_region): Call rethrow_used() instead of accessing data structure.
23088 (update_rethrow_references): New function to make sure only regions
23089 which are still targets of a rethrow are flagged as such.
23090 (process_nestinfo): New static function to initialize a handler
23091 list for a specific region.
23092 (init_eh_nesting_info): New function to allocate and initialize
23093 the list of all EH handlers reachable from all regions.
23094 (reachable_handlers): New function to retrieve the list of handlers
23095 reachable from a specific region and insn.
23096 (free_eh_nesting_info): New function to dispose of a list of
23097 reachable handlers.
23099 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23101 * flow.c (split_edge): Set JUMP_LABEL field.
23102 (commit_one_edge_insertion): Set head correctly for insert_before.
23103 When inserting insns, update insn block numbers if allocated.
23105 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23107 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
23108 retry_incomplete_types): Add static prototype.
23109 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
23110 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
23111 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
23112 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
23113 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
23116 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
23117 dwarf2out_start_source_file, dwarf2out_line): Likewise.
23119 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23121 * output.h (assemble_name): Constify a char*.
23123 * varasm.c (UNIQUE_SECTION, assemble_start_function,
23124 assemble_variable, assemble_name): Likewise.
23126 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
23128 * arm/pe.c (arm_pe_unique_section): Likewise.
23130 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
23132 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
23134 * i386/interix.c (i386_pe_unique_section): Likewise.
23136 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
23138 * i386/winnt.c (i386_pe_unique_section): Likewise.
23140 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
23142 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
23144 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
23146 * pa/pa.c (output_call): Likewise.
23148 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
23150 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
23152 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
23155 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
23158 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
23160 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
23161 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
23163 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
23165 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23167 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
23169 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23171 * tree.h (lang_identify): Constify a char*.
23172 (print_error_function): Add extern prototype. Constify a char*.
23174 * c-lang.c (lang_identify): Constify a char*.
23176 * objc/objc-act.c (lang_identify): Constify a char*.
23178 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23180 * genpeep.c (main): Make generated file include "function.h".
23181 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
23183 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23185 * Makefile.in: Update dependencies.
23186 * alias.c: Include "function.h"
23187 * c-decl.c: Likewise.
23188 * caller-save.c: Likewise.
23189 * calls.c: Likewise.
23190 * combine.c: Likewise.
23192 * explow.c: Likewise.
23193 * final.c: Likewise.
23194 * global.c: Likewise.
23195 * graph.c: Likewise.
23196 * local-alloc.c: Likewise.
23197 * loop.c: Likewise.
23198 * optabs.c: Likewise.
23199 * profile.c: Likewise.
23200 * recog.c: Likewise.
23201 * regclass.c: Likewise.
23202 * regmove.c: Likewise.
23203 * reload.c: Likewise.
23204 * reorg.c: Likewise.
23205 * resource.c: Likewise.
23206 * sched.c: Likewise.
23207 * stupid.c: Likewise.
23208 * config/1750a/1750a.c: Likewise.
23209 * config/a29k/a29k.c: Likewise.
23210 * config/arc/arc.c: Likewise.
23211 * config/arm/arm.c: Likewise.
23212 * config/arm/thumb.c: Likewise.
23213 * config/c4x/c4x.c: Likewise.
23214 * config/clipper/clipper.c: Likewise.
23215 * config/convex/convex.c: Likewise.
23216 * config/fx80/fx80.c: Likewise.
23217 * config/i860/i860.c: Likewise.
23218 * config/m68k/m68k.c: Likewise.
23219 * config/m88k/m88k.c: Likewise.
23220 * config/mips/mips.c: Likewise.
23221 * config/pdp11/pdp11.c: Likewise.
23222 * config/pyr/pyr.c: Likewise.
23223 * config/romp/romp.c: Likewise.
23224 * config/sh/sh.c: Likewise.
23225 * config/tahoe/tahoe.c: Likewise.
23226 * config/vax/vax.c: Likewise.
23227 * config/we32k/we32k.c: Likewise.
23228 * config/sparc/sparc.c: Include "function.h".
23229 (mem_min_alignment): Test current_function rather than
23230 regno_pointer_align.
23231 * config/pa/pa.c: Likewise.
23232 (compute_frame_size): Delete declaration of
23233 current_function_outgoing_args_size.
23234 * config/arc/arc.h (current_function_varargs): Delete declaration.
23235 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
23237 * config/i370/i370.h (current_function_outgoing_args_size): Delete
23239 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
23240 current_function_uses_pic_offset_table.
23241 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
23242 of current_function_returns_pointer.
23243 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23244 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23245 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23246 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23247 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23248 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23249 * config/m88k/m88k.c: Include "function.h"
23250 (call_used_regs, current_function_pretend_args_size,
23251 current_function_outgoing_args_size, frame_pointer_needed): Delete
23253 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
23255 * config/mips/mips.h (current_function_calls_alloca): Delete
23257 * config/mn10200/mn10200.h (current_function_needs_context,
23258 rtx_equal_function_value_matters): Delete declarations.
23259 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
23260 flag_pic): Delete declarations.
23261 * config/pa/pa.h (current_function_pretend_args_size,
23262 current_function_decl): Delete declarations.
23263 * config/pa/som.h (current_function_varargs): Delete declaration.
23264 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
23266 * config/pyr/pyr.h (current_function_pretend_args_size,
23267 current_function_args_size, current_function_calls_alloca): Delete
23269 * config/sh/sh.h (current_function_varargs): Delete declaration.
23270 * config/sparc/sparc.h (current_function_outgoing_args_size,
23271 current_function_calls_alloca, current_function_decl): Delete
23273 * config/spur/spur.h (current_function_pretend_args_size,
23274 current_function_calls_alloca): Delete declarations.
23275 * config/v850/v850.c (current_function_outgoing_args_size): Delete
23277 * config/vax/vms.h (current_function_name): Delete declaration.
23278 * gcse.c: Include "function.h".
23279 (current_function_name, current_function_calls_setjmp): Delete
23281 * haifa-sched.c: Include "function.h".
23282 (forced_labels): Delete declaration.
23283 * jump.c: Likewise.
23284 * reg-stack.c: Likewise.
23285 * reload1.c: Likewise.
23286 * genemit.c (main): Make generated file include function.h.
23287 * genoutput.c (output_prologue): Likewise.
23289 * builtins.c (saveregs_value, apply_args_value): Delete variables.
23290 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
23291 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
23292 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
23293 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
23294 macros for some of them.
23295 (emit_filename, emit_lineno): Delete declarations.
23296 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
23297 regno_pointer_* variables through current_function.
23298 (gen_inline_header_rtx): Delete function.
23299 (save_emit_status): Delete function.
23300 (set_new_last_label_num): New function.
23301 (clear_emit_caches): New function.
23302 (restore_emit_status): Just clear last_labelnum and call
23304 (get_last_insn_anywhere): Variable sequence_stack is now accessed
23305 through macro seq_stack.
23306 (add_insn_after): Likewise.
23307 (add_insn_before): Likewise.
23308 (remove_insn): Likewise.
23309 (pop_topmost_sequence): Likewise.
23310 (in_sequence_p): Likewise.
23311 (start_sequence_for_rtl_expr): Likewise.
23312 (start_sequence): Likewise, and likewise for
23313 sequence_rtl_expr/seq_rtl_expr.
23314 (push_topmost_sequence): Likewise.
23315 (end_sequence): Likewise.
23316 (init_virtual_regs): Now takes a "struct emit_status *" argument.
23317 All callers changed. Store into that pointer instead of globals.
23318 (init_emit): Allocate emit elt of current_function.
23319 Changes for sequence_rtl_expr/sequence_stack renaming.
23320 Call clear_emit_caches instead of doing it in-line.
23321 Access regno_pointer_* variables through current_function.
23322 (init_emit_once) Don't clear sequence_stack.
23324 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
23326 (arg_pointer_save_area): Delete declaration.
23327 (finish_expr_for_function): Renamed from init_queue; no longer static.
23328 (init_expr): Don't call init_queue.
23329 (save_expr_status, restore_expr_status): Delete functions.
23330 (expand_expr): Changes to reflect new layout of struct function.
23331 Don't access current_function_check_memory_usage when current_function
23333 * expr.h (forced_labels, save_expr_regs, saveregs_value,
23334 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
23335 current_function_outgoing_args_size, current_function_arg_offset_rtx,
23336 current_function_uses_const_pool, function_call_count,
23337 current_function_uses_pic_offset_table, nonlocal_labels,
23338 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
23339 current_function_check_memory_usage, nonlocal_goto_handler_slots,
23340 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
23342 (finish_expr_for_function): Declare.
23343 * flags.h (current_function_has_nonlocal_label,
23344 current_function_has_nonlocal_goto, current_function_is_thunk,
23345 current_function_has_computed_jump): Delete declarations.
23346 * flow.c (forced_labels): Delete declaration.
23347 * function.c (current_function_pops_args,
23348 current_function_returns_struct, current_function_returns_pcc_struct,
23349 current_function_needs_context, current_function_calls_setjmp,
23350 current_function_calls_longjmp, current_function_has_nonlocal_label,
23351 current_function_has_nonlocal_goto, current_function_is_thunk,
23352 current_function_has_computed_jump, current_function_calls_alloca,
23353 current_function_contains_functions, current_function_returns_pointer,
23354 current_function_epilogue_delay_list, current_function_args_size,
23355 current_function_pretend_args_size, current_function_arg_offset_rtx,
23356 current_function_outgoing_args_size, current_function_varargs,
23357 current_function_stdarg, current_function_args_info, cleanup_label,
23358 current_function_name, current_function_uses_const_pool,
23359 current_function_instrument_entry_exit, current_function_return_rtx,
23360 current_function_uses_pic_offset_table, nonlocal_labels,
23361 current_function_internal_arg_pointer, current_function_cannot_inline,
23362 current_function_check_memory_usage, function_call_count,
23363 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
23364 nonlocal_goto_stack_level, return_label, save_expr_regs,
23365 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
23366 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
23367 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
23368 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
23369 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
23371 (push_function_context_to): Don't save them. Don't call
23372 save_storage_status, save_emit_status or save_expr_status.
23373 (pop_function_context_from): Don't restore them. Don't call
23374 restore_storage_status or restore_expr_status.
23375 (get_func_frame_size): New function.
23376 (get_frame_size): Use it.
23377 (assign_outer_stack_local): Reflect some member name changes in struct
23379 (put_reg_into_stack): Likewise.
23380 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
23382 (fixup_var_refs): Likewise.
23383 (fix_lexical_addr): Likewise.
23384 (trampoline_address): Likewise.
23385 (prepare_function_start): Clear field inlinable of current_function.
23386 (init_function_for_compilation): New function.
23387 (expand_dummy_function_end): New function.
23388 (expand_function_end): Call finish_expr_for_function.
23389 * function.h (struct emit_status): New; fields moved here from struct
23390 function and from global variables. Add accessor macros for some of
23392 (struct expr_status): Likewise.
23393 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
23394 (struct function): Add fields expr and emit, inlinable, inl_emit,
23395 original_arg_vector, original_decl_initial, inl_last_parm_insn,
23396 inl_max_label_num. Add many comments.
23397 Add accessor macros for all elts of struct function that no longer
23398 have a global variable.
23399 (cleanup_label, return_label, frame_offset, tail_recursion_label,
23400 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
23401 stack_slot_list): Delete declarations.
23402 (get_func_frame_size): Declare.
23403 (save_expr_status, restore_expr_status, save_emit_status,
23404 save_storage_status, restore_storage_status): Delete declarations.
23405 (init_virtual_regs): Declare.
23406 * output.h (current_function_pops_args,
23407 current_function_returns_struct, current_function_returns_pcc_struct,
23408 current_function_needs_context, current_function_calls_setjmp,
23409 current_function_calls_longjmp, current_function_calls_alloca,
23410 current_function_has_nonlocal_label, current_function_varargs,
23411 current_function_has_computed_jump, current_function_returns_pointer,
23412 current_function_contains_functions, current_function_args_size,
23413 current_function_pretend_args_size, current_function_stdarg,
23414 current_function_outgoing_args_size, current_function_args_info,
23415 current_function_name, current_function_return_rtx,
23416 current_function_epilogue_delay_list,
23417 current_function_uses_const_pool, current_function_cannot_inline):
23418 Delete declarations.
23419 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
23420 regno_reg_rtx): Delete declaration.
23421 (REGNO_POINTER_FLAG): Delete macro.
23422 * stmt.c (expand_goto): Changes to reflect that some fields in struct
23423 function were renamed.
23424 * stor-layout.c (save_storage_status, restore_storage_status): Delete
23426 * toplev.c: Include "function.h".
23427 (current_function_decl): Delete declaration.
23428 (compile_file): Call init_dummy_function_start and
23429 expand_dummy_function_end around some initializations that need to
23431 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
23432 Call init_function_for_compilation.
23433 * unroll.c: Include "function.h"
23434 (unroll_loop): Access regno_pointer_* variables through
23437 * tree.h (struct tree_decl): Add elt f to saved_insns member.
23438 (DECL_SAVED_INSNS): use it.
23439 (expand_dummy_function_end): Declare.
23440 (init_function_for_compilation): Declare.
23441 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
23442 that it's no longer an INLINE_HEADER.
23443 (expand_call): Likewise.
23444 * integrate.c (finish_inline): Delete function.
23445 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
23446 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
23447 args. Don't generate an INLINE_HEADER rtx, just return the arg
23448 vector. All callers changed.
23449 (save_for_inline_copying): Create a duplicate struct emit_status to
23450 hold the emit state for compiling the current function. Use this and
23451 the other new fields in struct function that are for integration
23452 instead of an INLINE_HEADER.
23453 Use memcpy instead of bcopy.
23454 Store the current struct function in DECL_SAVED_INSNS of fndecl.
23455 (save_for_inline_nocopy): Similar changes, except no new emit_status
23457 (expand_inline_function): Get information from function structure,
23458 not from an inline header rtx.
23459 (output_inline_function): Lose code to extract the necessary
23460 information from an inline header; simply put back the function
23461 structure into current_function. Clear its inlinable elt.
23462 * rtl.def (INLINE_HEADER): Delete.
23463 * rtl.h: Delete all accessors for an INLINE_HEADER.
23464 (gen_inline_header_rtx): Delete declaration.
23465 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
23466 Delete declarations.
23467 (REGNO_POINTER_ALIGN): Delete.
23468 (clear_emit_caches): Declare.
23469 (set_new_last_label_num): Declare.
23471 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
23473 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
23475 * except.c (expand_eh_region_start_for_decl): Always start a new block.
23476 * stmt.c (is_eh_region): Make sure current_function is present, too.
23478 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
23480 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
23481 for 64bit PA targets.
23483 * pa.h (SELECT_SECTION): Define.
23484 * som.h (SELECT_SECTION): Delete.
23486 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23488 * alias.c (init_alias_analysis): Wrap call to
23489 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
23491 1999-08-07 Bruce Korb <autogen@linuxbox.com>
23493 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
23494 <sys/asm.h> contains an asm comment with an apostrophe
23495 * fixinc/inclhack.sh: regen
23496 * fixinc/fixincl.x: regen
23498 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
23500 * function.c (init_function_start): Clear prologue & epilogue.
23501 (prologue_epilogue_contains): New function.
23502 * alias.c (init_alias_analysis): Use it.
23503 * rtl.h (prologue_epilogue_contains): Declare it.
23505 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
23507 * jump.c (onlyjump_p): New function.
23508 * rtl.h: Declare it.
23509 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
23510 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
23512 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
23514 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
23515 to invert loops. Simplify block scanning.
23517 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23519 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
23520 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
23522 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
23524 * config/sparc/liteelf.h: New file to support sparclite-elf target
23525 * config/sparc/t-sp86x: New file to support sparc86x targets
23526 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
23527 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
23528 * configure.in: Support above target triplets
23529 * configure: Regenerated
23531 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
23533 * fixinc/server.c (server_setup): Do not prefix function used as
23534 parameter with `&'.
23536 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
23538 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
23539 Remove fp reg alternatives.
23541 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
23543 * Makefiin (TAROUTOPTS): Kill.
23544 (install-headers-tar): Use "xpf" for tar headerfile extraction
23545 * i370/x-oe (TAROUTOPTS): Delete.
23546 * m68k/x-apollo68 (TAROUTOPTS): Delete.
23547 * m68k/x-hp320 (TAROUTOPTS): Delete.
23548 * m68k/x-hp320g (TAROUTOPTS): Delete.
23549 * gcc.texi: Update bug reporting text.
23551 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
23553 * reg-stack.c (change_stack) Fixed problem with negative array index.
23555 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
23557 * extend.texi, install.texi: Fix spelling mistakes.
23559 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
23560 (s-attrtab); No longer try to use pre-made insn-attrtab file.
23561 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
23562 PREMADE_ATTRTAB_MD.
23563 * mips/t-ecoff: Likewise.
23564 * mips/t-elf: Likewise.
23565 * mips/t-mips: Likewise.
23566 * mips/t-osfrose: Likewise.
23567 * mips/t-r3900: Likewise.
23568 * mips/t-svr3: Likewise.
23569 * mips/t-svr4: Likewise.
23570 * mips/t-ultrix: Likewise.
23572 * gcc.texi: Document recommend means to provide software floating
23573 point libraries in libgcc.a
23575 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
23577 * c-lex.c (yylex): We can have a number with no digits.
23579 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
23581 * jump.c (delete_prior_computation): New function, broken
23582 out of delete_computation. Check for side effects with
23583 side_effects_p instead of FIND_REG_INC_NOTE. Handle
23584 multi-word hard registers.
23585 (delete_computation): Use it. Check for side effects with
23586 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
23587 missing REG_DEAD note for a register which is both set and
23590 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
23592 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
23593 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
23594 (ASM_FILE_START): Import _mcount with the right type.
23595 (ASM_DECLARE_FUNCTION_NAME): Define.
23596 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
23597 * pa.c (output_function_prologue): Always emit the function's label
23599 * pa.h (TEXT_SPACE_P): Define.
23600 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23601 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
23602 * som.h (TEXT_SPACE_P): Delete.
23603 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23604 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
23606 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
23608 * expr.c (emit_group_load): Allow src to be a CONCAT.
23610 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23612 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
23613 (___mulsi3): Use '!' comment character.
23615 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23617 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
23619 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
23621 * gcc.c: Update URLs and mail addresses.
23622 * gcc.texi: Likewise.
23624 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
23626 * rs6000.c (current_file_function_operand): Return zero for
23628 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
23630 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
23633 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
23635 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
23636 allocate space in the stack frame for the PIC register.
23638 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
23640 * m68k.md (xordi3, anddi3): These patterns are not available on
23643 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
23645 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
23646 (PUT_REAL): Likewise.
23648 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23650 * final.c (shorten_branches): Don't add an alignment for loops
23651 that have no label inside.
23653 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23655 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
23656 prototypes in macro HAVE_cmpstrsi.
23658 * cpplib.c (cpp_get_token): Remove unused label `op3'.
23660 * emit-rtl.c (operand_subword): Remove unused variable
23663 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
23665 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
23667 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
23669 * cpphash.c (macroexpand): Delete leading whitespace when arg
23670 is concatenated before.
23671 (unsafe_chars): Correct test for whether + and - can extend a
23674 * cppinit.c (cpp_start_read): Do dependencies for
23675 -include/-imacros files also.
23677 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
23678 tokenizing non-directive lines.
23679 (cpp_expand_to_buffer): Temporarily disable no-output mode.
23680 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
23683 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23685 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
23687 * c-lex.c: Sync with C++ frontend.
23688 (linemode): New variable.
23689 (parse_float): imag, conversion_errno, and type are output only.
23690 (yylex): Adjust. Move initial '.' case into main switch.
23692 (handle_generic_pragma): Just deal with tokens.
23693 (readescape): Use ISXDIGIT and ISGRAPH.
23694 * c-parse.in: Add END_OF_LINE token.
23696 * c-lex.c (lang_init): Generalize.
23697 (nextchar): Remove. Replace uses with UNGETC.
23698 (skip_white_space): Handle linemode here. Optimize for cpplib.
23699 (skip_white_space_on_line): Remove.
23700 (extend_token_buffer_to): New fn.
23701 (extend_token_buffer): Use it.
23702 (read_line_number, check_newline): Just deal with tokens.
23703 (token_getch, token_put_back): New fns.
23704 (yylex): Use them. More cpplib optimizations. Simplify.
23706 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
23707 Jason Merrill <jason@yorick.cygnus.com>
23709 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
23710 (consume_string): Make this smart about USE_CPPLIB.
23711 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
23712 (yylex): Rewrite to be intelligent about USE_CPPLIB.
23713 Also, clean up cases where we redundantly set token_buffer[0].
23714 (read_line_number): New fn.
23715 (ignore_escape_flag): New variable.
23717 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
23719 * a29k/t-a29kbare: Fix some comments.
23720 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
23721 (FPBIT, DPBIT): Define.
23722 * a29k/t-vx29k: Likewise.
23723 * arc/t-arc: Likewise.
23724 * arm/t-arm-elf: Likewise.
23725 * arm/t-bare: Likewise.
23726 * arm/t-pe: Likewise.
23727 * arm/t-pe-thumb: Likewise.
23728 * arm/t-semi: Likewise.
23729 * arm/t-thumb: Likewise.
23730 * arm/t-thumb-elf: Likewise.
23731 * arm/t-thumb-linux: Likewise.
23732 * h8300/t-h8300: Likewise.
23733 * i960/t-i960: Likewise.
23734 * i960/t-vxworks960: Likewise.
23735 * m32r/t-m32r: Likewise.
23736 * mips/t-ecoff: Likewise.
23737 * mips/t-elf: Likewise.
23738 * mips/t-r3900: Likewise.
23739 * pa/t-pro: Likewise.
23740 * rs6000/t-aix43: Likewise.
23741 * rs6000/t-beos: Likewise.
23742 * rs6000/t-newas: Likewise.
23743 * rs6000/t-ppccomm: Likewise.
23744 * rs6000/t-rs6000: Likewise.
23745 * rs6000/t-winnt: Likewise.
23746 * rs6000/t-xnewas: Likewise.
23747 * rs6000/t-xrs6000: Likewise.
23748 * sh/t-sh: Likewise.
23749 * sparc/t-elf: Likewise.
23750 * sparc/t-sparcbare: Likewise.
23751 * sparc/t-sparclite: Likewise.
23752 * sparc/t-splet: Likewise.
23753 * v850/t-v850: Likewise.
23754 * mn10200/t-mn10200: Fix comments.
23755 * mn10300/t-mn10300: Likewise.
23757 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
23758 dummy operand. Allocate a new pseudo for the dummy operand.
23759 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
23761 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
23763 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
23765 * configure: Rebuilt.
23766 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
23768 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
23770 * recog.c (preproces_constraints): Zero recog_op_alt before
23771 processing the constraints.
23773 * arm.c (typedef minipool_node): Renamed from pool_node.
23774 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
23775 (add_minipool_constant): New function.
23776 (dump_minipool): New function.
23777 (find_barrier): Remove special case for getting the insn size of
23778 an insn that references the constant pool.
23779 (minipool_fixup): New structure.
23780 (push_minipool_barrier): New function.
23781 (push_minipool_fix): New function.
23782 (note_invalid_constants): New function.
23783 (add_pool_constant, dump_table, fixit, broken_move): Delete.
23784 (arm_reorg): Rewrite code to fix up the constant pool into a
23785 series of mini-pools embedded in the insn stream.
23786 (arm_output_epilogue): New function, made mainly from the body
23787 of output_func_epilogue.
23788 (output_func_epilogue): Move insn generation part of epilogue code
23789 to arm_output_epilogue.
23790 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
23791 * arm.md (pool_range): New attribute.
23792 (zero_extendqidi2): Add attribute pool_range.
23793 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
23794 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
23795 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
23796 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
23797 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
23798 (epilogue): New expand.
23799 (epilogue_insn): New insn. Call arm_output_epilogue.
23801 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
23802 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
23804 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23806 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
23808 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
23810 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
23812 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
23814 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
23816 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
23818 * global.c: Fix comment.
23820 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
23822 * gcc.c (access_check): New static function.
23823 (find_a_file): Use it when searching a directory list.
23824 * collect2.c (find_a_file): Don't accept directories found when
23825 searching a directory list.
23827 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
23829 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
23830 function parameters with `&'.
23831 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
23833 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
23835 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
23836 or tidy_fallthru_edge if the last insn in the block is not
23837 an unconditional jump or a simple conditional jump.
23839 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23841 * Makefile.in (c-decl.o): Depends on defaults.h.
23843 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
23845 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
23847 (CLASS_MAX_NREGS): Likewise.
23849 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
23851 * cse.c (cse_insn): Fix dumb thinko in last change.
23853 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23855 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
23858 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
23860 * dwarf2out.c (add_location_or_const_value_attribute): Correct
23861 test for sizes of passed and declared parameter types.
23863 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23865 * fixincludes: Fix the return type of bsearch, char* -> void*.
23867 * fixinc/inclhack.def: Likewise.
23869 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
23871 * invoke.texi (-fdump-translation-unit): New option.
23873 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
23875 * expr.h (PROMOTE_PROTOTYPES): Move ...
23876 * defaults.h: ... to here.
23877 * c-decl.c: Include defaults.h instead of expr.h.
23878 * c-typeck.c: Include defaults.h.
23880 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
23882 * toplev.h (errorcount): Declare.
23883 (warningcount): Likewise.
23884 (sorrycount): Likewise.
23885 * c-lex.c (errorcount): Don't declare.
23886 * dwarf2out.c (errorcount): Don't declare.
23888 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
23890 * config/libgloss.h: Add a note discouraging use with ELF.
23891 * configure.in: Don't use libgloss.h for ELF targets.
23892 Always use_collect2 on a.out targets.
23894 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
23896 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
23897 (force_to_mode, case ASHIFTRT): Add shiftrt label.
23899 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23901 * loop.c (strength_reduce): When doing biv->giv conversion, update
23902 reg note of NEXT->insn.
23904 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23906 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
23908 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23910 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
23911 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
23912 Ensure expr.h is included.
23913 * c-typecheck.c (convert_arguments): Ditto.
23915 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
23917 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
23918 * config/convex/convex.h: Ditto.
23919 * config/dsp16xx/dsp16xx.h: Ditto.
23920 * config/fx80/fx80.h: Ditto.
23921 * config/gmicro/gmicro.h: Ditto.
23922 * config/i370/i370.h: Ditto.
23923 * config/i386/i386.h: Ditto.
23924 * config/m32r/m32r.h: Ditto.
23925 * config/m68k/m68k.h: Ditto.
23926 * config/m88k/m88k.h: Ditto.
23927 * config/mips/mips.h: Ditto.
23928 * config/pa/pa.h: Ditto.
23929 * config/pyr/pyr.h: Ditto.
23930 * config/tahoe/tahoe.h: Ditto.
23931 * config/we32k/we32k.h: Ditto.
23933 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
23934 based on arch size.
23936 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
23938 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
23941 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
23943 1999-08-02 Richard Henderson <rth@cygnus.com>
23945 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
23946 for the register spill block.
23947 (m32r_va_arg): New.
23948 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
23949 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
23951 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
23952 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
23953 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
23955 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23957 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
23958 MAX_WCHAR_TYPE defined in sparc.h.
23959 * config/sparc/linuxaout.h: Likewise.
23960 * config/sparc/linux64.h: Likewise.
23961 Also default to -mvis if CPU is UltraSPARC.
23963 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23965 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
23966 (RTX_OK_FOR_OLO10): Likewise.
23967 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
23968 %lo(), allow it in addresses...
23969 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
23970 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
23971 does not make sense.
23972 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
23973 (sparc_output_scratch_registers): New function.
23974 (output_function_prologue, sparc_flat_output_function_prologue): Use
23976 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
23978 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
23979 * configure.in: Add check for .register pseudo-op support in as and
23980 check for offsetable %lo().
23981 * acconfig.h: Add templates for the above checks.
23982 * configure: Regenerate.
23984 1999-08-02 Richard Henderson <rth@cygnus.com>
23986 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
23987 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
23988 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
23990 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23992 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23995 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23997 * config/float-sparc.h: New file.
23998 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
23999 sparc-*-linux-gnu and sparc64-*-linux*.
24001 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24003 * rs6000.c (rs6000_va_list): Type is an array.
24004 (rs6000_va_start): Don't doubly adjust for varargs.
24005 (rs6000_va_arg): Evaluate long long GPR adjustment.
24007 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
24009 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
24010 -maix64 and -maix32.
24011 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
24012 LINK_SPEC): Change appropriately.
24013 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
24014 (u_short_cint_operand): Likewise.
24015 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
24017 * rs6000/t-aix43 (MULTILIB): Change to -m64.
24019 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
24021 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
24023 * rs6000/rs6000.c (num_insns_constant_wide): Correct
24024 for type promotion.
24025 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
24026 (non_add_cint_operand): Likewise.
24027 (logical_operand): Likewise.
24028 (non_logical_cint_operand): Likewise.
24029 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
24030 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
24031 (rs6000_select_rtx_section): Suppress warning.
24032 (small_data_operand): Suppress warning.
24033 (rs6000_got_register): Suppress warning.
24034 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
24035 type, so `J' is generally the wrong constraint for a SImode value;
24037 (andsi3_internal2): Likewise.
24038 (andsi3_internal3): Likewise.
24039 (iorsi3_internal1): Likewise.
24040 (xorsi3_internal1): Likewise.
24042 (movsf_softfloat): Likewise.
24043 (scc insns): Likewise.
24044 (movsi+2): Preserve sign bits of SImode constant.
24045 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
24046 (movdf+1): Sign-extend properly.
24047 (movdi_32+1): Sign-extend properly.
24048 (scc insns): Sign-extend properly.
24050 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
24053 1999-08-02 Richard Henderson <rth@cygnus.com>
24055 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
24056 -mcpu parsing code.
24057 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
24058 * alpha.md (all fp insns): Likewise.
24060 1999-08-02 Nick Clifton <nickc@cygnus.com>
24062 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
24065 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
24067 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
24068 pic_load_label generator directly.
24069 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
24070 No longer a named pattern.
24072 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
24074 * explow.c (force_reg): Call force_operand if X does not
24075 satisfy general_operand.
24077 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
24079 * fix-header.c (main): When testing for CONTINUED, use string
24080 equality, not pointer equality.
24082 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
24084 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
24086 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
24088 * cse.c (cse_insn): Fix loop which deletes insns after a jump
24089 that has become an unconditional jump.
24091 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
24092 (output_function_epilogue): Similarly.
24094 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24096 * tree.h (init_dummy_function_start): Declare.
24098 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24100 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
24101 last_expr_type, last_expr_value, block_start_count, block_stack,
24102 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
24103 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
24104 dynamically in stmt elt of struct function for each function.
24105 (struct nesting): Rename function_call_count elt to n_function_calls,
24106 target_temp_slot_level to block_target_temp_slot_level. All users
24108 (struct stmt_status): New structure definition.
24109 Add many accessor macros for stmt_status elements which previously
24110 were global variables.
24111 (init_stmt_for_function): Allocate stmt elt for current_function.
24112 Reflect that block_start_count was renamed to
24113 current_block_start_count.
24114 (save_stmt_status, restore_stmt_status): Delete functions.
24115 (preserve_subexpressions_p): Don't access loop_stack when outside
24117 (expand_start_bindings): Reflect that block_start_count was renamed to
24118 current_block_start_count.
24119 (expand_fixup): Likewise.
24120 (expand_decl): Don't access block_stack when outside a function.
24121 (expand_decl_cleanup): Likewise.
24122 (expand_dcc_cleanup): Likewise.
24123 (expand_dhc_cleanup): Likewise.
24124 (expand_anon_union_decl): Likewise.
24125 (set_file_and_line_for_stmt): New function.
24126 (in_control_zone_p): New function.
24128 * function.h (struct function): Add new elt stmt.
24129 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
24130 case_stack, nesting_stack, nesting_depth, block_start_count,
24131 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
24132 emit_lineno, goto_fixup_chain.
24133 (save_eh_status, restore_eh_status, save_stmt_status,
24134 restore_stmt_status): Delete declarations.
24135 * function.c (push_function_context_to): Don't call save_stmt_status.
24136 (pop_function_context_to): Don't call restore_stmt_status.
24137 * tree.h (in_control_zone_p): Declare.
24138 * rtl.h (set_file_and_line_for_stmt): Declare.
24140 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
24141 call set_file_and_line_for_stmt.
24143 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
24145 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
24146 Also update copyright.
24148 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24150 * c-pragma.c: Don't include "except.h".
24151 * emit-rtl.c: Likewise.
24152 * stor-layout.c: Likewise.
24153 * tree.c: Likewise.
24154 * varasm.c: Likewise.
24156 * flow.c: Include "function.h".
24157 * tree.h (init_dummy_function_start): Declare new function.
24159 * except.h (struct eh_status): New structure.
24160 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
24162 (eh_return_stub_label, ehstack, catchstack, ehqueue,
24163 catch_clauses, false_label_stack, caught_return_label_stack,
24164 protect_list, current_function_ehc): Add accessor macros for the
24165 corresponding fields in current_function->eh; delete declarations
24166 for all items that used to be declared here.
24167 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
24168 catch_clauses, false_label_stack, caught_return_label_stack,
24169 protect_list, current_function_ehc): Delete variables.
24170 (init_eh_for_function): Allocate current_function->eh.
24171 (save_eh_status, restore_eh_status): Delete functions.
24173 * function.h (struct function): Add fields next_global and eh.
24174 Delete all exception handling related fields.
24175 * function.c (current_function): New variable.
24176 (all_functions): New variable.
24177 (push_function_context_to): Don't allocate a struct function,
24178 use current_function instead. Call init_dummy_function_start when
24179 outside a function. Clear current_function before returning.
24180 (pop_function_context_from): Restore current_function.
24181 Don't free the restored struct function.
24182 (prepare_function_start): New function.
24183 (init_dummy_function_start): New function.
24184 (init_function_start): Break out some code into prepare_function_start
24187 * stmt.c (save_stmt_status): Don't call save_eh_status.
24188 (restore_stmt_status): Don't call restore_eh_status.
24190 * Makefile.in: Update dependencies.
24192 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
24194 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
24195 of depending on a magic constant value. Update comments.
24196 (hppa_expand_prologue): Similarly.
24198 * pa.md (reload_indi, reload_outdi): Allow any register for the
24199 original reload register.
24201 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
24203 * cccp.c (print_help): Change marcos to macros.
24205 1999-07-30 Richard Henderson <rth@cygnus.com>
24207 * c-typeck.c (initializer_constant_valid_p): Move ...
24208 * c-common.c (initializer_constant_valid_p): ... here. Use
24209 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
24210 of label addresses.
24211 * c-common.h (initializer_constant_valid_p): Declare.
24212 * c-tree.h (initializer_constant_valid_p): Remove.
24214 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
24216 * config/i386/sol2-c1.asm: Align the stack.
24217 * config/i386/sol2-gc1.asm: Likewise.
24219 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
24221 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
24222 -Asparclite for sparc86x.
24223 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
24225 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
24227 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
24229 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
24230 the user if using the non-default arch size in BI_ARCH configuration.
24231 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
24233 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
24234 Fix patterns so that they actually match.
24235 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
24236 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
24237 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
24239 (mulsidi3): Reflect this in the expand.
24240 (smulsi3_highpart): Only on TARGET_ARCH32.
24241 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
24242 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
24243 (umulsidi3): Reflect this in the expand.
24244 (umulsi3_highpart): Only on TARGET_ARCH32.
24245 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
24246 don't require g0 to be zero.
24247 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
24248 ({,u}divsi3): New expands.
24249 ({,u}divsi3_sp64): New patterns.
24250 (after lshrdi3_v8plus): Four new patterns to help combiner
24251 optimizing nested mixed mode shifts.
24253 * config/sparc/sparc.c (sparc_override_options): Use deprecated
24254 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
24255 speed things up. Don't use them by default on plain v9 in 64bit
24256 mode, according to what SPAMv9 sais.
24258 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
24259 top 32 bits of %[og][0-7] in signal handlers.
24260 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
24262 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
24264 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
24265 (ashlsi3): Corresponding changes.
24267 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
24269 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
24271 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
24273 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24275 * arm.h (Hint): Delete macro.
24276 Substitute HOST_WIDE_INT for Hint in some prototypes.
24277 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
24279 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
24281 * builtins.c (expand_builtin_setjmp): Use force_operand to
24282 make sure that the buffer address is in a suitable form to be
24283 passed to force_reg.
24285 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
24287 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
24290 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
24292 * pa.md (indirect_jump): Remove mode from match_operand. Verify
24293 proper mode in the condition string.
24294 (icacheflush, dcacheflush): Remove modes from match_operands.
24296 * pa.c (emit_move_sequence): Always convert scratch_reg to the
24297 proper mode before using it.
24299 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
24302 * pa.c (store_reg): Do not call add_high_const generator directly.
24303 (load_reg, set_reg_plus_d): Likewise.
24304 * pa.md (add_high_const): No longer a named pattern.
24306 * pa.c (legitimize_address): Consistently use Pmode rather than
24307 SImode. Do not call gen_pic2_highpart directly anymore.
24308 * pa.md (pic2_highpart): No longer a named pattern.
24309 (pic2_lo_sum): Similarly. Reformat to make more readable.
24311 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
24316 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24318 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
24320 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
24322 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
24323 and tag the spill mems.
24324 (hppa_va_start): New.
24325 (hppa_va_arg): New.
24326 * pa.h (EXPAND_BUILTIN_VA_START): New.
24327 (EXPAND_BUILTIN_VA_ARG): New.
24329 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
24331 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
24332 and tag the spill mems.
24333 (mn10300_va_start): New.
24334 (mn10300_va_arg): New.
24335 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
24336 (EXPAND_BUILTIN_VA_ARG): New.
24338 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
24340 * mn10200.c (mn10200_va_arg): New.
24341 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
24343 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
24345 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
24346 rather than play with TREE_INT_CST_LOW.
24348 1999-07-27 Philip Blundell <pb@nexus.co.uk>
24350 * config/arm/telf.h: Include dbxelf.h.
24351 (CPP_PREDEFINES): Only define if not already defined.
24352 (ASM_IDENTIFY_GCC): Likewise.
24353 (SUBTARGET_EXTRA_SECTIONS): Likewise.
24354 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
24355 * config/arm/thumb.h (LINK_SPEC): Only define if not already
24357 (DBX_DEBUGGING_INFO): Don't define.
24358 * config/arm/linux-telf.h: New file.
24359 * config/arm/linux-tgas.h: New file.
24360 * config/arm/t-thumb-linux: New file.
24361 * config/arm/uclinux-elf.h: New file.
24362 * config/arm/uclinux-telf.h: New file.
24363 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
24364 thumb-*-uclinux): New targets.
24365 * configure: Regenerate.
24367 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
24369 * pa.md (post_store, pre_load): New expanders.
24370 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
24371 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
24372 need to directly generate RTL for them.
24373 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
24376 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
24378 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
24379 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
24380 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
24381 (secndary_reload_class): Make TARGET_ELF conditional compile.
24382 (print_operand_address): Similar.
24383 (output_toc): Print all values as hex.
24384 (get_issue_rate): Rearrange and add RS64A and PPC630.
24385 * rs6000.h (processor_type): Add RS64A and PPC630.
24386 (PROCESSOR_POWERPC64): New.
24387 (PROMOTE_MODE): Use word_mode.
24388 (RTX_COSTS): Add RS64A and PPC630.
24389 * rs6000.md (scheduling information): Add lmul and ldiv
24390 representing 64-bit integer multiply and divide. Add rs64a and
24391 PPC630 information.
24392 (ashldi3): Add support for "rldic" instruction.
24393 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
24395 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
24397 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
24398 instead of V8 for sparclite86x in cpu_table.
24400 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24402 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
24403 output_file_directive.
24405 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
24407 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
24408 tree for op1, not the rtl.
24410 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
24412 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
24413 to m88k_va_start, leaving only the register spill.
24414 (m88k_build_va_list): New.
24415 (m88k_va_start): New.
24416 (m88k_va_arg): New.
24417 * m88k.h (BUILD_VA_LIST_TYPE): New.
24418 (EXPAND_BUILTIN_VA_START): New.
24419 (EXPAND_BUILTIN_VA_ARG): New.
24421 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
24423 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
24424 Rename from expand_builtin_saveregs.
24425 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
24427 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
24429 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
24430 for the register spill block.
24431 (i960_build_va_list): New.
24432 (i960_va_start): New.
24433 (i960_va_arg): New.
24434 * i960.h (BUILD_VA_LIST_TYPE): New.
24435 (EXPAND_BUILTIN_VA_START): New.
24436 (EXPAND_BUILTIN_VA_ARG): New.
24437 * i960.md (store_multiple): Use change_address on individul mems.
24439 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
24441 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
24443 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
24444 (expand_builtin_va_end): Evaluate arg for side effects.
24445 * c-common.c (c_common_nodes_and_builtins): Construct a
24446 va_list_arg_type_node to handle array decomposition to pointer.
24448 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
24450 * except.c (st_dynamic_cleanup): Use force_operand on the
24453 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
24455 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
24456 * c4x.c (c4x_va_arg): New.
24458 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
24460 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
24461 has manual_pop set.
24463 1999-07-26 Nathan Sidwell <nathan@acm.org>
24465 * eh-common.h (__eh_matcher): Prototype correctly.
24467 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
24469 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
24470 (TARGET_SINGLE_PIC_BASE): Likewise.
24471 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
24473 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
24474 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
24475 (TARGET_OPTIONS): Add -mpic-register=N.
24476 (OUTPUT_INT_ADDR_CONST): New macro.
24477 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
24478 LEGITIMATE_PIC_OPERAND_P): Likewise.
24479 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
24480 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
24481 output_addr_const directly.
24482 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
24484 (thumb_pic_register, thumb_pic_register_string): Declare.
24486 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
24488 (label_mentioned_p): New function: Imported from arm.c.
24489 (legitimize_pic_address): New function: Imported from arm.c.
24490 (is_pic):New function: Imported from arm.c.
24491 (thumb_finalize_pic):New function: Imported from arm.c.
24492 (add_constant): Cope with PIC constants.
24493 (fixit): Cope with PIC constants.
24494 (output_return): Do not treat the PIC register as live if
24495 TARGET_SINGLE_PIC_BASE is true.
24496 (thumb_function_prologue): Do not treat the PIC register as live if
24497 TARGET_SINGLE_PIC_BASE is true.
24498 (thumb_expand_prologue): Do not treat the PIC register as live if
24499 TARGET_SINGLE_PIC_BASE is true.
24500 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
24501 TARGET_SINGLE_PIC_BASE is true.
24502 (thumb_print_operand): Accept '|'.
24503 (thumb_override_options): Process PIC options.
24505 * config/arm/thumb.md (movsi): Support PIC.
24506 (call_insn): Change "i" constraint to "X".
24507 (call_value_insn): Likewise.
24508 (consttable_4, consttable_8, consttable_end): Set and clear
24509 "making_const_table" as appropriate.
24510 (pic_load_addr, pic_add_dot_plus_four): New insns.
24512 * invoke.texi (Thumb Options): Fix spelling. Document new
24513 options -msingle-pic-base and -mpic-register=.
24515 1999-07-26 Andrew Haley <aph@cygnus.com>
24517 * config/m32r/initfini.c (__init): Use a full word immediate for
24518 __fini: this allows it to be placed in any memory region.
24520 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
24521 -mmodel=medium. This is OK for all memory models.
24523 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
24525 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
24526 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
24528 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
24530 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
24533 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
24535 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
24537 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
24538 (BUILD_VA_LIST_TYPE): New.
24539 (EXPAND_BUILTIN_VA_START): New.
24540 (EXPAND_BUILTIN_VA_ARG): New.
24541 * i860.c (output_delayed_branch): Disable.
24542 (output_delay_insn): Likewise.
24543 (i860_saveregs): New.
24544 (i860_build_va_list): New.
24545 (i860_va_start): New.
24546 (i860_va_arg): New.
24547 * i860.md: Disable all peepholes using output_delayed_branch.
24548 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
24550 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
24552 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
24553 (BUILD_VA_LIST_TYPE): New.
24554 (EXPAND_BUILTIN_VA_START): New.
24555 (EXPAND_BUILTIN_VA_ARG): New.
24556 * clipper.c (clipper_builtin_saveregs): Only dump registers.
24557 Return the address of the save area.
24558 (clipper_build_va_list): New.
24559 (clipper_va_start): New.
24560 (clipper_va_arg): New.
24562 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
24564 * arc.h (EXPAND_BUILTIN_VA_START): New.
24565 (EXPAND_BUILTIN_VA_ARG): New.
24566 * arc.c (arc_setup_incoming_varargs): Set alias set of
24568 (arc_va_start): New.
24571 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
24573 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
24574 (BUILD_VA_LIST_TYPE): New.
24575 (EXPAND_BUILTIN_VA_START): New.
24576 (EXPAND_BUILTIN_VA_ARG): New.
24577 * alpha.c (alpha_builtin_saveregs): Delete.
24578 (alpha_build_va_list): New.
24579 (alpha_va_start): New.
24580 (alpha_va_arg): New.
24582 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
24584 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
24586 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
24587 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
24589 * gcc.texi: More changes related to list conversion.
24590 * invoke.texi: Likewise.
24592 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
24594 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
24595 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
24596 (expand_builtin_next_arg): Accept ARGLIST not EXP.
24597 (stabilize_va_list): New function.
24598 (std_expand_builtin_va_start): New function.
24599 (expand_builtin_va_start): New function.
24600 (get_varargs_alias_set): New function.
24601 (std_expand_builtin_va_arg): New function.
24602 (expand_builtin_va_arg): New function.
24603 (expand_builtin_va_end): New function.
24604 (expand_builtin_va_copy): New function.
24605 (expand_builtin): Call them.
24606 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
24607 __builtin_{varargs_start,stdarg_start,end,copy}.
24608 (build_va_arg): New function.
24609 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
24610 (build_va_arg): Declare.
24611 * c-decl.c (ptr_type_node, va_list_type_node): New.
24612 * c-parse.gperf (__builtin_va_arg): New.
24613 * c-parse.in (VA_ARG): New token.
24614 (unary_expr): Recognize it.
24615 * expr.c (expand_expr): Expand VA_ARG_EXPR.
24616 * expr.h (std_expand_builtin_va_start): Declare.
24617 (std_expand_builtin_va_arg): Declare.
24618 (expand_builtin_va_arg): Declare.
24619 (get_varargs_alias_set): Declare.
24620 * tree.def (VA_ARG_EXPR): New.
24621 * tree.h (BUILT_IN_VARARGS_START): New.
24622 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
24623 (ptr_type_node, va_list_type_node): Declare.
24624 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
24625 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
24626 * m88k.h, m88k.c: Likewise.
24627 * mn10300.h, mn10300.c: Likewise.
24628 * pa.h, pa.c: Likewise.
24629 * rs6000.h, rs6000.c: Likewise.
24630 * sh.h, sh.c: Likewise.
24631 * sparc.h, sparc.c: Likewise.
24633 * emit-rtl.c (operand_subword): Copy alias set.
24634 (change_address): Likewise.
24636 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
24638 * pa.c (compute_frame_size): Scan all the used callee saved registers,
24639 not just the first one.
24641 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
24643 * config/arm/arm.h (TARGET_SWITCHES): Add
24644 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
24645 (TARGET_OPTIONS): Add -mpic-register=.
24646 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
24647 (arm_pic_register_string): Declare.
24648 (NEED_PLT_GOT): Delete, replace with ...
24649 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
24650 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
24651 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
24652 * config/arm/arm.c (arm_override_options): Add new option
24654 (arm_pic_register_string): New variable.
24655 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
24656 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
24657 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
24658 (output_return_instruction): Likewise.
24659 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
24660 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
24661 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
24663 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
24664 mention of -msched-prolog. Document new options -msingle-pic-base
24665 and -mpic-register=.
24667 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
24669 * haifa-sched.c (reemit_notes): Tidy.
24670 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
24673 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
24675 * explow.c (trunc_int_for_mode): New function.
24676 (plus_constant_wide): Use it.
24677 * combine.c (simplify_and_const_int): Likewise.
24678 (merge_outer_ops): Likewise.
24679 (simplify_shift_const): Likewise.
24680 * cse.c (simplify_unary_operation): Likewise.
24681 (simplify_binary_operation): Likewise.
24682 * emit-rtl.c (operand_subword): Likewise.
24683 * rtl.h: Declare it.
24685 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24687 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
24688 (use NUM_REGS instead of NUM_INTS).
24690 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24692 * builtins.c: New file.
24693 * expr.c (saveregs_value, apply_args_value): Delete definition,
24694 moved into builtins.c.
24695 (string_constant): No longer static.
24696 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
24697 apply_args_size, apply_result_size, result_vector,
24698 expand_builtin_apply_args, expand_builtin_apply,
24699 expand_builtin_return): Delete functions, moved into builtins.c.
24700 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
24701 * expr.h (saveregs_value, apply_args_value): Declare variables.
24702 (expand_builtin, string_constant): Declare functions.
24703 * Makefile.in: Update to build builtin.o.
24705 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
24707 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
24708 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
24709 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
24710 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
24712 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
24715 1999-07-21 Michael Meissner <meissner@cygnus.com>
24717 * print-rtl.c (print_rtx): Print the names of the virtual
24720 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
24722 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
24723 introduced in previous delta.
24725 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24727 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
24728 to avoid name clash.
24730 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
24732 * c-lex.c (yylex) : Correct the test for overflow when lexing
24735 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
24737 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
24738 (adjust_priority): Always call ADJUST_PRIORITY.
24739 (schedule_insn): Only put insns into the ready at cost 0.
24740 (schedule_block): Remove redundant initial sort. Give clock_var
24741 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
24743 * tm.texi (MD_SCHED_REORDER): Update docs.
24745 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
24746 * sparc.c (ultra_reorder_called_this_block): Delete.
24747 (ultrasparc_sched_init): Don't set it.
24748 (ultrasparc_sched_reorder): Don't check it.
24750 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
24752 * rs6000.h (struct rs6000_args): Add sysv_gregno.
24753 * rs6000.c (init_cumulative_args): Init sysv_gregno.
24754 (function_arg_boundary): Align DFmode.
24755 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
24756 to get fp reg and stack overflow correct.
24757 (function_arg): Likewise.
24758 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
24759 (setup_incoming_varargs): Restructure for ABI_V4; use
24760 function_arg_advance to skip final named argument.
24761 (expand_builtin_saveregs): Properly unskip the last integer arg
24762 when doing varargs. Adjust overflow location calculation.
24764 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
24765 explicitly unsigned.
24766 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
24767 (__VA_GP_REGSAVE): Similarly.
24768 (__va_longlong_p): Delete.
24769 (__va_arg_type_violation): New declaration.
24770 (va_arg): Restructure. Flag promotion errors. Align double.
24771 TFmode passed by reference.
24773 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
24774 in the HOST_BITS_PER_WIDE_INT > 32 case.
24776 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
24778 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
24780 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
24782 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
24783 * toplev.c (documented_lang_options): Add -fpreprocessed.
24784 * cpplib.h (struct cpp_buffer): Add preprocessed.
24785 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
24786 (cpp_start_read): Don't expand macros or emit an initial #line
24787 directive if -fpreprocessed.
24789 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24791 * cpplib.h (struct cpp_buffer): Added manual_pop for
24792 better C++ tokenization.
24793 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
24794 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
24795 * c-common.c (cpp_token): Make non-static.
24797 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24799 * c-common.h: New file.
24800 * c-common.c (permanent_obstack): Delete unused declaration.
24801 (c_global_trees): New array.
24802 (c_common_nodes_and_builtins): New function; split off common code
24803 from init_decl_processing in both c-decl.c and cp/decl.c.
24804 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
24805 c_global_trees and accessor macros defined in c-common.h.
24806 Include c-common.h.
24807 * c-decl.c: Delete definitions for tree nodes that were replaced by
24809 (init_decl_processing): Build void_list_node.
24810 Call c_common_nodes_and_builtins; delete code to generate the common
24812 * objc/objc-act.c (build_module_descriptor): Rename variable
24813 void_list_node to avoid clash with c-common.h.
24815 * Makefile.in: Update dependencies.
24816 * objc/Make-lang.in: Likewise.
24818 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
24820 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
24821 (UNIQUE_SECTION_P): Likewise.
24822 (UNIQUE_SECTION): Likewise.
24824 1999-07-19 Linas Vepstas <linas@linas.org>
24826 * config/i370/README: New file.
24827 * config/i370/linux.h: New file.
24828 * config/i370/mvs.h: New file.
24829 * config/i370/oe.h: New file.
24830 * config/i370/t-linux: New file.
24831 * config/i370/t-mvs: New file.
24832 * config/i370/t-oe: New file.
24833 * config/i370/x-oe: New file.
24834 * config/i370/xm-linux.h: New file.
24835 * config/i370/xm-mvs.h: New file.
24836 * config/i370/xm-oe.h: New file.
24838 * i370.c (label_node_t): Add first_ref_page, label_addr,
24839 label_first_ref, label_last_ref members.
24840 (mvs_need_base_reload): Renamed from mvs_label_emitted.
24841 (MAX_MVS_LABEL_SIZE): Define.
24842 (MAX_LONG_LABEL_SIZE): Define.
24843 (alias_node_t, alias_anchor, alias_number): New.
24844 (mvs_function_table): Reorder for EBCDIC.
24845 (ascebc, ebcasc): Unconditionally define.
24846 (i370_branch_dest, i370_branch_length): New functions.
24847 (i370_short_branch, i370_label_scan): New functions.
24848 (mvs_get_label): Renamed from mvs_add_label. Search for
24849 an existing label before creating a new one.
24850 (mvs_add_label): New function.
24851 (mvs_get_label_page): New function.
24852 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
24853 over the entire list.
24854 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
24855 (mvs_check_page) [TARGET_ELF_ABI]: New function.
24856 (mvs_add_alias, mvs_need_alias): New functions.
24857 (mvs_get_alias, mvs_check_alias): New functions.
24858 (handle_pragma): New function.
24859 (mvs_function_check): New function.
24860 (unsigned_jump_follows_p): Search harder.
24861 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
24862 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
24863 * i370.h (TARGET_VERSION): Delete.
24864 (CPP_SPEC, CPP_PREDEFINES): Delete.
24865 (mvs_label_emitted): Delete.
24866 (TARGET_EBCDIC): Delete.
24867 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
24868 (HANDLE_PRAGMA): Define.
24869 (HARD_REGNO_NREGS): Handle complex modes.
24870 (HARD_REGNO_MODE_OK): Likewise.
24871 (CLASS_MAX_NREGS): Likewise.
24872 (RET_REG): Likewise.
24873 (EXTRA_CONSTRAINT): Define.
24874 (RETURN_IN_MEMORY): True for DImode.
24875 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
24876 (FUNCTION_PROFILER): Delete.
24877 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
24878 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
24879 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
24880 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
24881 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
24882 (ASM_FILE_START): Add "RMODE ANY".
24883 (ASM_OUTPUT_EXTERNAL): Check for aliases.
24884 (ASM_GLOBALIZE_LABEL): Likewise.
24885 (ASM_OUTPUT_LABELREF): Likewise.
24886 (ASM_OUTPUT_COMMON): Likewise.
24887 (PRINT_OPERAND): Handle 'K', 'W', default.
24888 (PRINT_OPERAND_ADDRESS): New.
24889 (Lots of defines): Add support for TARGET_ELF_ABI.
24890 * i370.md (attr length): New. Define for all patterns.
24891 (*): Lots of tweeks to assembly output and constraints.
24893 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
24895 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
24896 Disable patterns performing SImode comparisons with SImode values
24897 if TARGET_POWERPC64 and instruction does not sign-extend or does
24898 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
24899 differ for signed quantities.
24900 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
24901 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
24902 (decrement_and_branch_on_count): Add 64-bit variant.
24904 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24906 * final.c (output_asm_insn): When searching for the matching string
24907 for a given dialect, don't run past the end of the list of
24908 alternatives if there are fewer alternatives in the template than
24911 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
24913 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
24914 Removed paragraph about compression of files and size limitation,
24915 duplicated in the FAQ. Use gcc-patches for posting patches.
24916 * gcc.c (main): Updated URL with bug reporting instructions to
24917 gcc.gnu.org. Removed e-mail address.
24918 * system.h (abort): Likewise.
24920 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24922 * Makefile.in (stmp-multilib-sub): Make the files extracted
24923 from $(LIBGCC1) writable.
24925 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
24927 * config/arm/aout.h: Reformat for improved readability.
24929 * config/arm/arm.h: Reformat for improved readability.
24930 Replace uses of fprintf with asm_fprintf where appropriate.
24931 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
24932 function declaration assembler actions.
24933 (NUM_INTS): New macro: Convert from bytes to words.
24934 (NUM_REGS): New macro: Compute number of registers required to
24935 hold a quanitity of tyep MODE.
24936 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
24938 (NUM_ARG_REGS): New macro: The number of argument registers
24940 (ARG_REGISTER): New macro: Compute the register number of the Nth
24942 (LAST_ARG_REGNUM): New macro: The number of the last argument
24944 (SP_REGNUM): New macro: Register number of the stack pointer.
24945 (FP_REGNUM): New macro: Register number of the frame pointer.
24946 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
24947 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
24948 CUMULATIVE_ARGS so that it counts registers not bytes.
24950 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
24952 Replace uses of fprintf with asm_fprintf where appropriate.
24953 (output_ascii_pseudo_op): Replace with version from thumb.c
24955 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
24957 * config/arm/elf.h (CPP_PREDEFINES): Replace with
24958 SUBTARGET_CPP_SPEC.
24959 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
24960 (ASM_FILE_START): Emit ASM_APP_OFF.
24962 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
24964 * pa.c (compute_frame_size): Round frame according to
24965 STACK_BOUNDARY rather than a hardwired value.
24967 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
24969 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
24971 * configure: Rebuilt.
24973 * configure.in (hppa*-*-linux*): New configuration.
24974 * configure: Rebuilt.
24975 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
24976 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
24977 * pa/pa-linux.h: New file.
24978 * pa/t-linux: New file.
24979 * pa/xm-linux.h: New file.
24981 * pa.c (hppa_legitimize_address): Change references from SImode to
24982 either Pmode or word_mode as appropriate.
24983 (emit_move_sequence, store_reg, load_reg): Likewise.
24984 (set_reg_plus_d, hppa_expand_prologue): Likewise.
24985 (output_mul_insn): Likewise.
24986 * pa.h (PROMOTE_MODE): Likewise.
24987 (INITIALZE_TRAMPOLINE): Likewise.
24988 (Pmode): Define to word_mode.
24990 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
24991 value of 4. Allocate 8 bytes for each FP register save.
24992 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
24994 (hppa_expand_prologue): Likewise.
24995 * pa.h (PROMOTE_MODE): Likewise.
24996 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
24997 (FUNCTION_ARG_BOUNDARY): Likewise.
24999 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
25001 * pa.c (out_of_line_prologue_epilogue): Delete.
25002 (override_options): Remove -mspace related code.
25003 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
25004 (compute_frame_size): Only allocate space for register that
25005 actually need to be saved.
25006 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
25007 (TARGET_SWITCHES): Remove -mspace, -mno-space
25008 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
25009 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
25010 * pa/ee.asm, pa/ee_fp.asm: Delete.
25012 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
25014 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
25015 directive in column zero.
25017 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
25019 * m68k.c (output_function_prologue): Fix computation of save mask
25020 when generating PIC code.
25022 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
25024 * tree.c (build_type_attribute_variant): Move current_obstack restore
25025 after build_qualified_type call.
25027 1999-07-15 Mark Mitchell <mark@codesourcery.com>
25029 * configure.in: Use t-iris6, even with GNU LD.
25030 * config/mips/iris6gld.h: Fix typo in linker spec.
25031 * config/mips/t-iris6gld: Remove.
25033 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
25035 * rs6000.md (insv, extzv): Remove SImode dependence in named
25036 patterns. Explicitly generate DImode RTL if PowerPC64 and
25038 (insvdi): Reverse start and size in instruction template.
25040 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
25042 * invoke.texi: Typo fixes.
25044 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
25046 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
25047 handle at this time instead of silently generating incorrect code.
25048 (gen_imagpart): Likewise.
25050 * reload.c (find_reloads): Emit a USE for a pseudo register without
25051 a hard register if we could not create an optional reload for the
25054 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25056 * c-typeck.c (output_init_element, process_init_element):
25057 When advancing constructor_unfilled_fields for a RECORD_TYPE,
25058 check for nameless bit fields.
25060 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
25062 * regclass.c (scan_one_insn): Notice subregs that change the
25063 size of their operand.
25064 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
25066 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
25068 * configure.in (alpha*-*-*): Include alpha/t-ieee.
25069 * configure: Rebuilt.
25070 * alpha/t-ieee: New file.
25072 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
25074 * rs6000.c (find_addr_reg): Do not select r0 as an address
25077 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
25079 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
25081 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
25083 * rs6000.md (movsf): Do not force easy FP constants into memory.
25085 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
25086 immed_double_const to ensure they are properly truncated then
25089 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25091 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
25092 always unless NO_DEBUG is used. Compile this code
25094 (replace_symbols_in_block): Compile it unconditionally.
25096 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
25098 * configure.in (i?86-*-elf*): New target.
25099 * configure: Rebuilt.
25100 * i386/i386elf.h, i386/t-i386elf: New files.
25102 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
25104 * toplev.c (main): Don't complain about saying -gdwarf.
25105 (rest_of_compilation): Remove redundant code.
25107 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
25109 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
25111 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
25113 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
25114 "Li960R:", to avoid name clash.
25116 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25118 * loop.c (check_dbra_loop): When reversing a loop, delete all
25119 REG_EQUAL notes referencing the reversed biv except those which are
25120 for a giv based on it.
25122 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
25124 * version.c: Drop "gcc-" prefix from version #.
25126 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
25128 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
25129 the label if we're being verbose.
25131 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
25133 * m68k.c (output_function_prologue): Add pic register to mask
25134 if live and flag_pic.
25135 (output_function_epilogue): Likewise.
25137 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
25139 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
25140 directives in column zero.
25142 * pa/elf.h (ASM_FILE_START): Define.
25143 * pa/som.h (ASM_FILE_START): Include .level directives.
25144 * pa/hpux10.h (ASM_FILE_START): Delete.
25145 * pa/hpux11.h (ASM_FILE_START): Delete.
25147 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
25149 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25151 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
25152 when reload_out equals reload_in.
25154 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
25156 * invoke.texi (Spec Files): New node: Describe the contents of
25159 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
25161 * invoke.texi (DEC Alpha Options): Put @end table at
25162 beginning of line, to avoid confusing texi2html.
25164 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
25166 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
25167 introduced in previous delta.
25169 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25171 * reload1.c (gen_reload): When synthesizing a 3 operand add
25172 sequence, improve test for when to reload OP1 into the reload
25173 register instead of OP0.
25175 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
25177 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
25179 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
25181 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
25184 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
25186 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
25187 (va_dcl): Use __builtin_va_alist_t.
25189 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
25191 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
25192 on the permanent_obstack.
25193 * dwarfout.c (output_type): Likewise.
25195 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
25197 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25198 Merged from c-typeck.c and cp/typeck.c.
25199 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25200 Merged into c-common.
25202 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
25204 * c-lex.c (errorcount): Declare it.
25205 (finish_parse): Update errorcount when using CPPLIB.
25207 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
25209 * fixinc/inclhack.def(end_else_label): Double the backslash so
25210 sed gets a chance to see it.
25211 * fixinc/inclhack.sh: regen
25212 * fixinc/fixincl.x: regen
25214 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
25216 Add framework to support armv5 architecture when it becomes
25219 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
25220 (arm_arch5): New variable.
25221 (all_architectures): Add armv5 line.
25222 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
25223 -march=armv5 is specified on the command line.
25224 (arm_arch5): Export this variable.
25225 * invoke.texi: Document new string accepted by -march= switch for
25228 * config/arm/arm.h: Replace use of constant 12 as a register
25229 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25230 * config/arm/arm.c: Replace use of constant 12 as a register
25231 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25233 * config/arm/elf.h: Tidy up.
25234 * config/arm/coff.h: Tidy up.
25236 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
25238 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
25239 * gcc/config/mips/t-iris6gld: New file.
25240 * gcc/config/mips/iris6gld.h: Likewise.
25242 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
25244 * c-decl.c (widest_integer_literal_type_node,
25245 widest_unsigned_literal_type) : New.
25246 (init_decl_processing): Handle/use the two new types.
25247 * c-common.c (type_for_size,type_for_mode) : Same.
25248 * c-lex.c (yylex) : Same.
25249 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25251 * c-tree.h (widest_integer_literal_type_node,
25252 widest_unsigned_literal_type) : New.
25254 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
25256 * dwarfout.c (field_byte_offset): Correctly compute the object's
25257 byte offset for the first bit of a field which crosses an alignment
25258 boundary on a !BYTES_BIG_ENDIAN target.
25260 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
25262 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
25265 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
25266 Jeff Law <law@cygnus.com>
25268 * ginclude/varargs.h (va_dcl): Use word_mode for type of
25271 * except.c: Include intl.h.
25272 (expand_eh_return): Set current_function_cannot_inline.
25273 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
25274 * function.h (struct function): Add eh_return_stub_label.
25275 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
25276 * Makefile.in (except.o): Depend on intl.h.
25278 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
25280 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
25281 same as offsettable in cases 1 and 2.
25283 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
25285 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
25286 (extlh, extwh): Likewise.
25288 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
25290 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
25292 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
25294 * configure.in: Add arm-pe and thumb-pe targets.
25295 * configure: Regenerate.
25297 * thumb.c (arm_naked_function_p): New function: Determines if
25298 a function is naked (has no gcc generated prologue/epilogue).
25299 (is_called_in_ARM_mode): Return true if the func has the
25300 interfacearm attribute.
25301 (output_return): Do not generate a return for naked functions.
25302 (thumb_function_prologue): Do not generate a prologue for
25304 (thumb_expand_prologue): Do not generate a prologue for naked
25306 (thumb_expand_epilogue): Do not generate an epilogue for naked
25308 (arm_valid_machine_decl_attribute): New function, copied from
25309 arm.c: Permit naked and interfacearm attributes.
25311 * config/arm/pe.c: New file: Support code for arm-pe target.
25312 * config/arm/pe.h: New file: Header file for arm-pe target.
25313 * config/arm/tpe.h: New file: Header file for thumb-pe target.
25314 * config/arm/t-thumb-pe: New file: Makefile fragment for
25317 1999-07-01 Mark Kettenis <kettenis@gnu.org>
25319 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
25320 -fPIC or -fpic is specified.
25322 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
25324 * expr.c (emit_block_move): Use copy_to_mode_reg for
25325 !TARGET_MEM_FUNCTIONS case too.
25327 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
25329 * configure: Rebuilt.
25330 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
25331 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
25332 definitions made redundant by dbxelf.h inclusion. Delete
25333 lots of definitions related to assembly output that are
25334 specific to the SOM object format.
25335 * pa.c (output_function_prologue): Do not emit the function's
25337 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
25338 * pa-pro.h: Deleted.
25339 * som.h: New file with SOM specific definitions.
25340 * elf.h: New file with ELF specific definitions.
25342 * elfos.h (const_section): Output a tab before assembler directives.
25343 (ctors_section, dtors_section): Likewise.
25344 (ASM_OUTPUT_SECTION_NAME): Likewise.
25346 * pa/pa1.h: Delete unused file.
25348 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
25350 * configure.in (hppa*-hp-hpux11*): New configuration.
25351 * configure: Rebuilt.
25352 * pa/pa-hpux11.h: New file.
25353 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
25356 * mips.md (leasi, leadi): New patterns.
25358 * expr.c (emit_block_move): Properly handle case where one of the
25359 block move arguments has a queued increment or decrement.
25360 (clear_storage): Similarly. Fix formatting goof.
25362 1999-06-28 "David O'Brien" <obrien@NUXI.com>
25364 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
25365 semicolon from the BSD VA_LIST replacement expression.
25367 * fixinc/inclhack.sh: regen
25368 * fixinc/fixincl.x: regen
25370 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
25371 now use the fixincl program.
25373 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
25375 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
25376 case. Also make the PIC register call_used.
25378 * m68k.h (FINALIZE_PIC): Delete.
25379 * m68k.c (finalize_pic): Delete.
25381 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
25383 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
25386 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
25388 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
25390 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
25392 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
25394 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
25396 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
25398 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
25400 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
25402 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
25404 * rs6000.c (output_toc): Always use hex values for floating-point
25405 constants. Store single-precision values in upper-half of TOC
25406 entry in 64-bit mode.
25407 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
25408 to final constraints.
25409 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
25410 (fctiwz): Improve accuracy of RTL for pattern.
25412 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
25414 * expr.c (expand_expr): Allow RTL_EXPR's through the
25415 MAX_INTEGER_COMPUTATION_MODE checks.
25417 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
25419 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
25420 such that MASK_SUPPORT_ARCH is not negative.
25422 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
25424 * loop.c (verify_dominator): Properly handle ADDR_VEC and
25425 ADDR_DIFF_VEC insns that appear inside loops.
25427 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
25428 Jeff Law <law@cygnus.com>
25430 * rs6000.md (movdf_hardfloat32): Revert previous patch.
25431 Handle LO_SUM the same as offsettable in cases 1 and 2.
25432 * rs6000.c (find_addr_reg): Revert previous patch.
25434 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
25436 * system.h (strstr): New external function declaration.
25437 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
25438 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
25439 * config.in, configure: Rebuilt.
25441 1999-06-24 Tom Tromey <tromey@cygnus.com>
25443 * gcc.c (main): Read user-specified specs files after computing
25444 additional startfile_prefixes.
25446 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
25448 Revert these two patches:
25450 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25451 * loop.c (strength_reduce): When doing biv->giv conversion, update
25452 reg note of NEXT->insn.
25454 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25455 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25457 (recombine_givs): Set ix field after sorting.
25459 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25461 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
25462 for the parts of an UNSPEC / UNSPEC_VOLATILE.
25464 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
25466 *fixinc/inclhack.def: Add fix development commentary
25467 (read_ret_type): reactivate and add selection clause
25468 (zzz_*): tweak output file name to match what is used in hackshell.tpl
25469 *fixinc/{fixincl.x|inclhack.sh}: regen
25471 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
25473 * expr.c (expand_expr): STRIP_NOPS before checking against
25474 MAX_INTEGER_COMPUTATION_MODE
25475 (check_max_integer_computation_mode): Likewise.
25477 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
25479 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
25481 1999-06-22 Jim Wilson <wilson@cygnus.com>
25483 * expr.c (store_expr): When target is a promoted subreg, return a
25484 promoted subreg as a result.
25486 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
25488 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
25490 (dwarf2out_define): Mark unused parameters appropriately.
25491 (gen_unspecified_parameters_die): Ditto.
25492 (gen_subprogram_die): Fix signed/unsigned warnings.
25493 (gen_variable_die): Ditto.
25495 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
25497 * fixinc/inclhack.def(end_else_label): combined else_label
25498 and endif_label and fixed the sed expression.
25499 *fixinc/{fixincl.x|inclhack.sh}: regen
25501 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
25503 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
25504 'x' when handling non-offsettable addresses
25506 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
25508 * final.c (shorten_branches): Don't try to split an insn that has
25511 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
25513 * config/mips/mips.c (symbolic_expression_p): New function.
25514 (mips_select_rtx_section): Put symbolic expressions in the
25515 data section, not the read-only data section.
25517 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
25519 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
25521 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
25523 * collect2.c (main): Log frame table count.
25524 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
25525 (scan_prog_file) [COFF]: Handle frame tables.
25527 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
25528 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
25529 * alpha/elf.h: Undef them again.
25530 * alpha/vms.h: Remove their definitions.
25532 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25534 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
25535 remove the clobber of r0 and change the REG_UNUSED note to
25538 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
25540 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
25541 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
25542 fits in HOST_WIDE_INT and one uses union to access a long constant
25545 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
25547 * sparc.c (sparc_override_options): Don't allow profiling for
25548 code models other than medlow.
25549 (sparc_function_profiler): New function from old FUNCTION_PROFILER
25550 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
25551 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
25552 (sparc_block_profiler): Likewise.
25553 (sparc_function_block_profiler_exit): Likewise.
25554 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
25555 (FUNCTION_BLOCK_PROFILER): Likewise.
25556 (BLOCK_PROFILER): Likewise.
25557 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
25558 (MCOUNT_FUNCTION): New.
25559 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
25560 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
25561 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
25562 (MCOUNT_FUNCTION): New.
25563 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
25564 (BLOCK_PROFILER): Delete.
25565 (MCOUNT_FUNCTION): New.
25567 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
25569 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
25571 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25573 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25576 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25579 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25582 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25585 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
25587 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
25590 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
25592 * i386/djgpp.h (LIB_SPEC): New.
25593 (STARTFILE_SPEC): New.
25595 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
25597 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
25599 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
25602 * system.h (WSTOPSIG): New macro.
25604 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
25606 * c-pragma.c (push_alignment): Don't ignore alignments greater than
25608 (insert_pack_attributes): Take into account member natural
25611 * i386/winnt.c (exports_head): New static variable.
25612 (i386_pe_record_exported_symbol): New function.
25613 (i386_pe_asm_file_end): Use.
25614 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
25615 symbols to be emitted at end of assembly.
25616 (ASM_DECLARE_OBJECT_NAME): Likewise.
25617 (ASM_DECLARE_FUNCTION_NAME): Likewise.
25619 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
25622 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
25624 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
25627 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
25629 * haifa-sched.c (sched_analyze_1): Use free_list instead of
25630 zapping reg_last_uses directly.
25631 (sched_analyze_2, sched_analyze_insn): Likewise.
25632 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
25634 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
25636 * rs6000.md (movdf_hardfloat32): Use worst case insn length
25637 attributes for cases 1 and 2.
25639 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
25641 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
25644 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
25646 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
25648 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
25650 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
25651 PIC_OFFSET_TABLE_REGNUM for general alloaction.
25652 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
25653 must be stacked if it is used for PIC accesses.
25654 * arm.c (use_return_insn): Handle PIC register specially.
25655 (output_return_instruction): Likewise.
25656 (output_func_{prologue,epilogue}): Likewise.
25657 (output_expand_prologue): Likewise.
25659 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
25660 (*strsi_predec): Renamed from *strqi_predec.
25661 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
25662 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
25664 * arm.c (arm_override_options): Remove warning about PIC code
25665 not being supported.
25667 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
25669 * rs6000.c (find_addr_reg): New function.
25670 * rs6000.h (find_addr_reg): Declare.
25671 (offsettable_addr_operand): Delete.
25672 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
25673 from and stores to GPRs.
25675 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
25677 * alpha.c (alpha_expand_block_move): Use get_insns rather than
25678 gen_sequence as argument to emit_no_conflict_block.
25680 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25682 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
25683 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
25684 *fixinc/fixincl.x: regen
25685 *fixinc/inclhack.sh: regen
25687 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
25689 * added support for -mpcrel (PC relative addressing for m68k)
25690 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
25691 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
25692 * m68k.c (print_operand_address): Handle 32-bit PIC case.
25693 (comments for general_src_operand): Add some explanation
25694 about EXTRA_CONSTRAINTS.
25695 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
25696 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
25697 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
25698 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
25699 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
25700 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
25701 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
25702 if not already set.
25703 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
25704 * m68k.h (TARGET_PCREL): New target flag.
25705 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
25706 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
25707 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
25708 contains a SYMBOL_REF. Relax this constraint during reload, since
25709 we want to use the predicates, not reload's built-in concept of a
25710 valid memory address, to control what insns need reloading.
25711 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
25712 operands (essentially 'g', 'm', and 's' under normal circumstances).
25713 * m68k.c (print_operand): Cause printing of pc-relative addresses
25714 to include pc register.
25715 (print_operand_address): Ditto.
25716 (general_src_operand): Accept operands that are not only
25717 general_operands, but are also valid when used as a pc-relative
25719 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
25720 (memory_src_operand): Similar, for memory_operands.
25721 (pcrel_address): New predicate to accept the special case of a
25722 pc-relative address.
25723 * m68k.md (many patterns): Rewrite common SImode, HImode, and
25724 QImode insns to accept *_src_operand instead of *_operand where
25725 pc-relative operands can fit. For example, a pc-relative operand
25726 can be used as a memory source operand for addsi3, but not as a
25727 memory destination.
25728 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
25730 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
25732 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
25733 .thumb_set pseudo op to mark aliases of thumb functions.
25735 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
25737 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
25738 preference to ASM_OUTPUT_DEF, if it is defined.
25740 * tm.texi: Document new, optional target macro
25741 ASM_OUTPUT_DEF_FROM_DECLS.
25743 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25745 * fixincludes: ISCNTL patch
25746 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
25747 (dgux_int_varargs): new for DG/UX
25748 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
25750 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
25752 * invoke.texi (ia32 options): Fix typo.
25754 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25756 * loop.c (strength_reduce): When doing biv->giv conversion, update
25757 reg note of NEXT->insn.
25759 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
25761 * loop.c (move_movables): Note issues with replacing REGs with
25763 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
25765 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
25767 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
25769 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
25770 the reference to `mcount' was not correct for the ELF on FreeBSD.
25772 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25774 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25777 (recombine_givs): Set ix field after sorting.
25779 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
25781 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
25782 to safe to extract a subword out of a REG.
25784 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25786 * sh.md (mulsi3): Don't add a no-op move at the end.
25788 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25790 * cse.c (cse_insn): Don't put hard register source into tables for
25791 the last insn of a libcall.
25793 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25795 * loop.c (strength_reduce): Insert sets of derived givs at every
25796 biv increment, even if it's the only one.
25798 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
25800 * dwarfout.c (add_incomplete_type): New fn.
25801 (output_type): Call it.
25802 (retry_incomplete_types): New fn.
25803 (dwarfout_finish): Call it.
25805 From Eric Raskin <ehr@listworks.com>:
25806 (output_type): Output types for bases.
25808 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
25810 * mips.c (mips_output_conditional_branch): Add `break'
25811 between `default' label and `close braces'.
25813 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
25815 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
25816 specifications and make it realistic.
25817 (LIB_SPEC): Likewise.
25819 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
25821 * config/mips/mips.c (mips_secondary_reload_class): Check for
25822 (PLUS (SP) (REG)) and return appropriate register class.
25823 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
25824 Handle (PLUS (SP) (REG)).
25825 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
25826 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
25827 of emit_insn for tablejump.
25829 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
25831 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
25832 asm_fprintf format string by itself.
25833 (output_function_profiler): Likewise.
25835 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
25837 * combine.c (simplify_logical, case AND): Only call
25838 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
25839 or the constant is positive.
25841 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
25843 * configure.in: Fix typo in rs6000-ibm-aix4 case.
25844 * configure: Regenerate.
25846 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
25848 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
25849 require a sub-version #.
25850 * configure: Rebuilt.
25852 1999-06-14 Robert Lipe (robertlipe@usa.net)
25854 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
25856 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
25858 * c-typeck.c (process_init_element): Detect excess elements in
25859 char array initializer.
25861 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
25863 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
25865 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25867 * invoke.texi (Option Summary): Add -fpermissive flag.
25869 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
25871 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
25872 that require PIC code sequences.
25874 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
25876 * configure.in: Add new target: thumb-elf.
25877 * configure: Regenerate.
25878 * config/arm/t-thumb-elf: New file: Makefile fragment for
25880 * config/arm/telf.h: New file: Header file for thumb-elf
25883 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
25885 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
25886 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
25887 initializers is some circumstances.
25889 * fixinc/inclhack.def (endif_label): Add additional selector for
25890 more bogus stuff after #endif statements.
25891 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
25893 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
25895 * i386/cygwin.h (SET_ASM_OP): Define.
25897 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
25899 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
25901 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25903 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
25906 * sh.md (ic_invalidate_line_i): Remove second alternative.
25908 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25910 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
25911 test for the presence of valid prototypes. Delete bypass expr.
25912 (ioctl_fix_ctrl): Correct the selection expression.
25913 (no_double_slash): Correct quoting rules
25914 *fixinc/fixincl.x: regen
25915 *fixinc/inclhack.sh: regen
25917 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
25919 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
25921 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25923 * rs6000.md (movsi_got_internal_mem): Delete.
25924 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
25925 (GOT_TOC_REGNUM): Delete.
25926 (PIC_OFFSET_TABLE_REGNUM): Define.
25927 (FINALIZE_PIC): Disable.
25928 * rs6000.c (rs6000_got_register): New code for fixed pic register.
25929 (rs6000_replace_regno): Delete.
25930 (rs6000_finalize_pic): Likewise.
25931 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
25933 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25935 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
25936 is a note; use <= for the compare; advance P while it is
25939 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
25941 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
25942 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
25944 * varasm.c (remove_from_pending_weak_list): Verify t->name
25945 is non-NULL before passing it to strcmp.
25947 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25949 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
25950 the typed arguments are not part of a comment
25951 (ioctl_fix_ctrl): Added a purpose comment
25952 *fixinc/fixincl.x: regenerate
25953 *fixinc/inclhack.sh: regenerate
25955 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25957 * invoke.texi: Add C4x invocation docs.
25959 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25961 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
25963 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
25965 (c4x_legitimize_reload_address): New function.
25966 * config/c4x/c4x.md: Update docs.
25968 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
25970 * fixincludes: Avoid removing '.'.
25971 * fixinc/fixinc.svr4: Likewise.
25972 * fixinc/fixinc.winnt: Likewise.
25973 * fixinc/inclhack.tpl: Likewise.
25974 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
25976 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25978 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
25980 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
25982 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
25984 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
25987 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
25989 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
25990 * configure: Regenerate.
25992 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
25994 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
25997 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
25999 * fixinc/inclhack.def (avoid_bool): Also catch
26000 "typedef [unsigned] int bool".
26001 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
26003 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
26004 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
26005 * configure: Rebuilt.
26007 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
26009 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
26010 such that we can override its definitions if necessary.
26011 (CPP_SPEC): New define. Support processor specific predefines via
26013 (CC1_SPEC): New define. Support processor specific compiler
26014 options via %(cc1_cpu).
26015 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
26018 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26020 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
26021 between sed's -e flag, and the open-quote following it.
26022 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
26024 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
26025 Jeffrey A Law (law@cygnus.com)
26027 * varasm.c (assemble_start_function): Remove the function
26028 from the pending weak decls list when we define a function.
26029 (assemble_variable): Similarly for variables.
26030 (weak_finish): Ignore items on the list with a NULL name.
26031 (remove_from_ending_weak_list); New function to "remove" an item
26032 from the pending weak declarations list.
26034 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26036 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
26038 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
26040 * c-lex.c (GETC): Redefine to call getch.
26041 (UNGETC): Redefine to call put_back.
26042 (putback_buffer): New structure type.
26043 (putback): New static structure.
26044 (getch): New function.
26045 (put_back): New function.
26046 (yylex): Replace unused bytes from bad multibyte character.
26048 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
26050 * cpplib.c (do_define): Cast `alloca' return value.
26051 (do_include, do_undef, do_pragma): Likewise.
26052 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
26054 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
26055 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
26057 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
26059 * sparc.md (abstf2): This should be an expand.
26060 (split after abstf2_notv9): Fix mode.
26061 (abstf2_hq_v9): New pattern.
26062 (abstf2_v9): Only use when no hard quad.
26063 (absdf2_v9): Fix if target is not the same as source.
26064 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
26065 Add correct output constraints.
26067 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
26069 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
26070 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
26072 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
26074 * mips.h (mips_output_conditional_branch): New function.
26075 (mips_adjust_insn_length): Likewise.
26076 (ASSEMBLER_SCRATCH_REGNUM): New macro.
26077 (ADJUST_INSN_LENGTH): Likewise.
26078 * mips.c (print_operand): Add `F' and `W' for floating-point
26079 comparison opcodes.
26080 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
26082 (mips_adjust_insn_length): New function.
26083 (mips_output_conditional_branch): New function.
26084 * mips.md (length): Adjust attribute definition to handle
26085 conditional branches. Change lengths to bytes, rather than
26086 instructions throughout. Remove length attribute from
26087 instructions whose length is four bytes, and rely on the default
26089 (dslot): Fix typo in comment.
26090 Reword conditional branch patterns to use
26091 mips_output_conditional_branch.
26093 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
26095 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
26096 (LIB_SPEC): Likewise.
26097 Link with -lprof1_r for -g/-pg.
26099 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26101 * loop.c (check_dbra_loop): Fix change of Jan 19.
26103 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
26105 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
26106 (STARTFILE_SPEC): Define, override the svr4.h version.
26107 (ENDFILE_SPEC): Likewise.
26109 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
26111 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
26112 * fixinc/fixincl.x: Regenerated.
26113 * fixinc/inclhack.sh: Regenerated.
26115 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26117 * sh.c (barrier_align): Don't return early for normal branch/barrier
26118 when optimizing for SH2.
26120 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
26122 * i386/udk.h (LINK_SPEC): Correct linker search path for
26125 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26127 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
26128 (braf_label_ref_operand): Delete.
26129 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
26130 * sh.md (casesi_jump_2): Operand1 is now the inside of a
26131 label_ref, and has no predicate.
26132 The patten has a predicate to guard against invalid substitutions.
26133 (dummy_jump): Delete.
26134 (casesi): Update use of casesi_jump_2.
26136 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26138 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
26139 *fixinc/fixincl.x: regenerate
26140 *fixinc/inclhack.sh: regenerate
26142 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
26144 * dwarf2out.c (add_incomplete_type): New fn.
26145 (gen_struct_or_union_type_die): Call it.
26146 (retry_incomplete_types): New fn.
26147 (dwarf2out_finish): Call it.
26149 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
26151 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
26152 current block starts with a CODE_LABEL and ends with a CALL and
26153 we can not find all the argument setup instructions for the CALL.
26155 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
26157 Revert this change:
26158 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26159 something is a candidate for optimize_bit_field_compare.
26161 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26163 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
26165 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
26167 * alpha.c (override_options): Thinko in last patch.
26169 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
26170 (LIB_SPEC): Recognize -pthread.
26172 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
26174 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
26175 definition in config/arm/coff.h
26176 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
26178 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26180 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
26181 fixes that need "file=xxx\n" prepended before invocation
26182 (start_fixer - new): starting the fixer process is complex enough
26183 to warrent its own routine. It prepends the "file=xxx\n" stuff.
26184 (process): uses the new routine; omit usage of putenv()
26185 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
26186 * fixinc/fixincl.x: regenerate
26188 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
26190 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
26191 and version #s (1.1 -> 2.96) as needed.
26192 * README.g77: Kill way out of date file in the toplevel directory.
26194 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
26196 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
26197 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
26198 * configure: Rebuilt.
26199 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
26200 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
26201 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
26202 (SWITCH_TAKES_ARG): Likewise.
26203 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
26204 * config/t-freebsd: Moved from config/i386/ so it can used for all
26207 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
26209 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
26211 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
26213 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
26214 * configure: Rebuilt.
26216 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
26218 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
26219 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
26220 * rs6000/rs6000.c (rs6000_file_start): Use putc.
26221 (rs6000_output_load_toc_table): Same.
26222 (output_prolog, output_mi_thunk): Same.
26223 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
26224 (ASM_GLOBALIZE_LABEL): Use putc.
26226 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
26228 * alpha.md (reload_*_help): New patterns and splitters.
26229 (reload_*): Use them.
26230 (mov[qh]i): Likewise.
26232 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
26234 * cccp.c (handle_directive): Handle backslash-newlines in quoted
26237 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
26239 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
26241 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
26243 * flow.c (mark_regs_live_at_end, insn_dead_p,
26244 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
26245 and HARD_FRAME_POINTER_REGNUM special treatment if reload
26246 hasn't run or the frame pointer is needed.
26247 * haifa-sched.c (attach_deaths): Likewise.
26248 * sched.c (attach_deaths): Likewise.
26250 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
26252 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
26253 calculate_can_reach_end returns nonzero.
26255 * configure.in (native gas tests): Search for an assembler in the
26256 same manner that the installed compiler will.
26257 * configure: Rebuilt.
26258 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
26260 * alias.c (find_base_term): Improve handling of addresses
26261 constructed from binary operations.
26263 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
26265 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
26267 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
26269 * function.h (cleanup_label, frame_offset): Declare.
26270 (tail_recursion_label, tail_recursion_reentry): Likewise.
26271 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26272 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
26273 (tail_recursion_label, tail_recursion_reentry): Likewise.
26274 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26276 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
26278 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
26280 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
26281 (MAX_OFILE_ALIGNMENT): Define.
26283 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
26285 * fixincl.c: Replace local include scheme with #includes of
26286 gansidecl.h and system.h.
26287 * procopen.c: Likewise.
26288 * server.c: Likewise.
26290 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
26292 * i386/t-dgux (EXTRA_PARTS): Add crti.o
26293 (crti.o): Add build rule and dependencies.
26294 * fixinc/fixinc.dgux: Use modified _int_varargs.h
26296 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26298 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
26299 (LIB_LINUX_SPEC): Likewise.
26300 (LIB_LINUX_SPEC): Add support for -pthread
26301 (CPP_OS_LINUX_SPEC): Likewise.
26302 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
26305 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
26307 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
26309 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
26310 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
26311 for IEEE math and CC_FCOMI.
26312 (put_jump_code): No IEEE if CC_FCOMI is set.
26314 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26316 * fold-const.c (fold_truthop): Make the field reference unsigned
26317 when converting a single bit compare.
26319 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26321 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
26323 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
26325 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
26326 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
26329 * reload.c (push_reload): Do not call remove_address_replacements
26330 when presented with identical optional reloads.
26332 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
26334 * alpha.h (MASK_FIX, TARGET_FIX): New.
26335 (MASK_*): Reorganize constants.
26336 (CPP_AM_FIX_SPEC): New.
26337 (TARGET_SWITCHES): Add FIX.
26338 (EXTRA_SPECS): Likewise.
26339 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
26340 (SECONDARY_MEMORY_NEEDED): Likewise.
26341 (REGISTER_MOVE_COST): Likewise.
26342 * alpha.c (override_options): Add FIX support. Always use
26343 ALPHA_TP_PROG for ev6.
26344 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
26345 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
26346 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
26348 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
26350 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26351 something is a candidate for optimize_bit_field_compare.
26353 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
26355 * gcc.texi (Passes): Document branch-shortening.
26356 * invoke.texi (Debugging Options): Document the fact that `-dp'
26357 outputs length information for instructions.
26359 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
26361 * flow.c: Revert previous delta.
26363 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
26365 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
26366 FRAME_POINTER_REGNUM.
26367 (mark_set_1): Ditto.
26368 (mark_used_regs): Ditto.
26370 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
26372 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
26373 (GOT_PCREL): New macro. Define to 1 if not already defined.
26374 * arm/elf.h (GOT_PCREL): Define to 0.
26375 * arm.c (arm_finalize_pic): Take into account the setting of
26378 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
26380 * output.h (STRIP_NAME_ENCODING): Provide default definition.
26381 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
26383 * flow.c (mark_set_1): Do not record BLKmode stores as dead
26384 store elimination candidates.
26386 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
26388 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
26391 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
26393 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
26394 Add use of x-aix41-gld.
26396 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
26398 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
26399 (ASM_OUTPUT_DESTRUCTOR): Define.
26401 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
26403 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
26404 last CODE_LABEL in a loop if we have previously passed a jump
26405 to the top of the loop.
26407 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
26409 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
26410 applying Philip's patch.
26412 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
26414 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
26417 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
26419 * loop.c (strength_reduce): Grow reg_single_usage as needed.
26421 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
26423 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
26424 Also remove a useless comment.
26426 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26428 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
26430 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
26432 * collect2.c (main): Only generate import or export file and add
26433 to link arguments if non-empty. Use xmalloc not alloca.
26434 (write_{export,import}_file): Delete.
26435 (write_aix_file): New function.
26436 (locatelib): Use xmalloc not malloc.
26437 (GCC_OK_SYMBOL): Do not check type if aix64.
26439 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
26441 Based on patch by Scott Bambrough and Pat Beirne:
26442 * config/arm/arm.c (making_const_table): New variable.
26443 * config/arm/arm.h (making_const_table): Declare.
26444 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
26446 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
26447 Keep track of when we are building the constant table.
26449 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
26451 * config/arm/arm.c (arm_override_options): Fix erroneous warning
26454 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
26456 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
26459 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
26461 * tm.texi (FUNCTION_ARG): Correct description of a stack element
26464 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
26466 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
26468 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26470 * rs6000.c (output_mi_thunk): Enable full support again.
26472 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26474 * sh.h (BRANCH_COST): Define.
26476 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
26478 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
26480 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
26482 * function.c (assign_stack_local): Align stack slot propertly.
26483 (assign_outer_stack_local): Likewise.
26485 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
26487 * expr.h (lang_expand_constant): Declare.
26488 * toplev.c (lang_expand_constant): Define it.
26489 * varasm.c (output_constant): Use it.
26491 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26493 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
26494 Change function definitions to K&R style.
26496 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26498 * fixinc/fixincl.c: We must not ignore SIGCLD now.
26500 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
26502 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
26503 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
26504 (several places): omit static initialization
26505 (process): use single fd, since only the read fd is used
26506 * fixinc/gnu-regex.c: define 'const' away, if not supported
26507 * fixinc/procopen.c(several places): omit static initialization
26508 * fixinc/server.c: define 'volitile' away, if not supported
26510 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26512 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
26513 asm_fprintf and %L to generate the label name.
26514 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
26515 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
26517 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
26519 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
26520 insn for a conditional jump can not be found.
26522 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
26524 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
26525 on variables in specific sections other than .sbss and .sdata.
26527 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
26529 * stmt.c (expand_return): Call start_cleanup_deferral and
26530 end_cleanup_deferral around conditional code.
26532 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26534 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
26535 filename lists. Utilizes new "krstr" AutoGen function.
26536 * fixinc/fixincl.x: Rebuilt.
26538 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
26540 * i386.c (output_float_compare): Avoid GNU-C extensions.
26542 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
26544 * version.c: Bump to distinguish mainline tree from the
26547 See ChangeLog.1 for earlier changes.