1 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
3 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
4 inclusion of "system.h".
6 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
8 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
11 2000-05-03 David Mosberger <davidm@hpl.hp.com>
13 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
15 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
16 -mconstant-gp is in effect and function-descriptors are being used
17 to make indirect calls.
18 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
19 (MASK_AUTO_PIC): Ditto.
20 (TARGET_CONST_GP): Ditto.
21 (TARGET_AUTO_PIC): Ditto.
22 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
23 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
24 -mno-pic is in effect.
25 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
26 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
27 -mauto-pic is in effect.
28 (gprel64_offset): New pattern.
29 (load_gprel64): Ditto.
30 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
31 -mconstant-gp is in effect, no need to preserve gp around direct
34 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
35 (FUNCTION_PROFILER): Define.
36 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
37 @fptr() directive when -mno-pic or -mauto-pic is in effect.
38 (ASM_OUTPUT_DESTRUCTOR): Ditto.
40 2000-05-03 Richard Henderson <rth@cygnus.com>
42 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
43 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
44 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
45 (mklibgcc, libgcc.mk): New targets.
46 (libgcc.a): Use libgcc.mk.
47 (stmp-multilib): Likewise.
48 (stmp-multilib-sub): Remove.
49 (mostlyclean): Don't delete libgcc2 temp files.
50 * configure.in (AC_PROG_CC_C_O): Add.
51 (NO_MINUS_C_MINUS_O): Substitute it.
52 (all_outputs): Add mklibgcc.
53 * mklibgcc.in: New file.
55 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
57 * cppexp.c (op_t): Make an int.
59 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
61 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
63 * gensupport.c (process_rtx): Fix macros used.
65 2000-05-03 Richard Henderson <rth@cygnus.com>
67 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
68 call-clobbered registers of a call.
70 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
72 * gensupport.c: New file.
73 * gensupport.h: New file.
74 * Makefile.in (HOST_RTL): Depend on gensupport.
75 (gensupport.o) New rule.
76 * genattr.c: Use gensupport for reading .md files.
77 * genattrtab.c: Ditto.
81 * genextract.c: Ditto.
87 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
88 * md.texi (Insn Splitting): Document define_insn_and_split.
90 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
92 * flow.c (verify_flow_info): Added two more sanity checks. The
93 first checks that the blocks are numbered consecutively. The second
94 checks that n_basic_blocks is actually equal to the number of
95 basic blocks in the insn chain.
97 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
99 * cpplib.h: Add accessor macros for token lists.
100 * cpplib.c, cpphash.c, cpplex.c: Use them.
102 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
104 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
105 memory usage if not in a function.
106 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
107 return address if static.
109 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
111 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
112 whether address may trap.
114 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
116 * bb-reorder (chain_reorder_blocks): Changed code to test for
117 EDGE_FALLTHRU rather than making erroneous assumption that the
118 first outgoing edge is the fall-through edge.
120 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
122 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
123 ABI for varargs, across all MIPS. This is incompatible because the
124 va_list (__builtin_va_list) structure is different, so a compilation
125 unit passing a va_list and a compilation unit being passed one, should
126 both be compiled with the same ABI. (The old structure had two
127 pointers, now it has three.)
129 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
131 * bb-reorder.c (struct reorder_block_def): Remove members end,
132 block_begin, and block_end.
133 (REORDER_BLOCK_OLD_END): Delete.
134 (REORDER_BLOCK_BEGIN): Delete.
135 (REORDER_BLOCK_END): Delete.
136 (chain_reorder_blocks): Remove dead code.
138 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
140 * bb-reorder.c (remove_scope_notes): Check for both types of scope
141 notes as the end of a basic block before deleting.
143 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
145 * final.c (final_start_function): Fix spelling of "necessary".
147 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
149 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
150 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
151 (GCC_CFLAGS): Use it.
152 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
153 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
154 objc/Make-lang.in: Use it.
156 * toplev.c (debug_ignore_block): Return int.
157 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
158 * toplev.h, dwarf2out.h: Adjust.
159 * emit-rtl.c (remove_unnecessary_notes): Test return value.
161 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
162 * toplev.c, final.c, rtl.h: Adjust.
164 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
166 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
167 * configure.in: Look for makeinfo in the unified tree, then
168 for a system makeinfo which is sufficiently new.
169 * Makefile.in: If configure says makeinfo is too old, don't
170 build or install Info documentation.
172 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
174 * cpphash.c (collect_params): Fix off-by-one error.
175 (dump_hash_helper): Dump all four macro nodetypes.
177 2000-05-02 Jakub Jelinek <jakub@redhat.com>
179 * cpphash.c (trad_stringify): Adjust p after stringification as
182 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
184 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
185 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
187 * cppfiles.c (file_cleanup): Delete.
188 * cpphash.c (macro_cleanup): Delete.
189 (collect_objlike_expansion, collect_funlike_expansion,
190 macarg, scan_arguments): Remove CPP_POP case.
192 * cpplex.c (null_cleanup): Delete.
193 (cpp_pop_buffer): Do the work that was done in the cleanups
194 here. Call _cpp_unwind_if_stack from here.
195 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
196 cpp_scan_buffer): Run until we see CPP_EOF and the top of
197 stack is the buffer _below_ the one we stacked.
198 (cpp_get_token): Always pop an exhausted buffer. Return
199 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
200 * cpplib.c (skip_if_group): Don't call cpp_get_token to
201 increment the line number.
202 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
204 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
205 we see CPP_EOF and the top of stack is the buffer _below_ the
207 * scan-decls.c: Likewise.
209 2000-05-02 Andrew Haley <aph@cygnus.com>
211 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
212 where this function is called for the second time on a decl that
213 has had its section info changed in such a way as to move it out
215 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
217 2000-05-01 Richard Henderson <rth@cygnus.com>
219 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
220 the sequence we're moving, not to merge_bb->head.
222 2000-05-01 Richard Henderson <rth@cygnus.com>
224 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
225 reference to alpha/t-linux.
226 (alpha*-*-linux-gnu*): Likewise.
227 * configure: Rebuild.
229 * calls.c (expand_call): Don't emit reg notes for a sibcall.
231 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
234 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
236 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
238 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
241 2000-05-01 Richard Henderson <rth@cygnus.com>
243 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
244 emit_conditional_move.
246 2000-05-01 Jakub Jelinek <jakub@redhat.com>
248 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
249 as the dynamic linker.
251 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
253 * cppfiles.c (open_include_file): Open file in blocking mode.
254 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
255 Only exclude block devices and directories.
257 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
258 static. Allocate the hashnode and its string in the same
260 (del_HASHNODE): Don't free h->name.
261 (_cpp_lookup): If there is no entry for this string, create
263 (_cpp_lookup_slot): Delete.
264 * cpphash.h: Update prototypes.
266 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
268 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
269 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
270 node here, just fill in the value field properly. "Delete"
271 entries by setting the value field to T_VOID. Check for
272 hp->type == T_VOID, not hp == NULL.
274 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
275 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
278 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
280 * config/mn10300/mn10300.c (print_operand_address): Do not add
283 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
284 adjusted by less than 256 bytes, use ret regardless of having any
285 callee-saved register to restore.
287 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
289 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
291 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
293 * config/i386/djgpp.h (INT_ASM_OP): Define.
294 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
295 (ASM_WEAKEN_LABEL): Define.
296 (MASK_BNU210): Define.
297 (SUBTARGET_SWITCHES): Define.
298 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
299 (MAKE_DECL_ONE_ONLY): Define.
300 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
302 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
304 * i386/cygwin.h (INT_ASM_OP): Define.
306 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
308 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
309 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
311 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
313 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
314 __tmp_reg__ and __zero_reg__ initialization.
316 2000-04-30 Richard Henderson <rth@cygnus.com>
318 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
320 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
321 referenced bewteen the condition and the jump. Don't delete
322 anything but the jump.
324 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
326 * bb-reorder.c (scope_def): New struct.
327 (scope_forest_info): New struct.
328 (struct reorder_block_def): New member "scope".
329 (REORDER_BLOCK_SCOPE): New macro.
330 (relate_bbs_with_scopes): New function and prototype.
331 (make_new_scope): Likewise.
332 (build_scope_forest): Likewise.
333 (remove_scope_notes): Likewise.
334 (insert_intra_1): Likewise.
335 (insert_intra_bb_scope_notes): Likewise.
336 (insert_inter_bb_scope_notes): Likewise.
337 (rebuild_scope_notes): Likewise.
338 (free_scope_forest_1): Likewise.
339 (free_scope_forest): Likewise.
340 (dump_scope_forest): Likewise.
341 (dump_scope_forest_1): Likewise.
342 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
343 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
345 (reorder_basic_blocks): Added calls to build_scope_scope_forest
346 and remove_scope_notes before reordering is done. Added calls to
347 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
348 after reordering is done.
350 2000-40-30 Bruce Korb <bkorb@gnu.org>
352 * fixinc/inclhack.def: Added definitions needed by OSR5,
353 removed two stale entries (defined away with OLD_CPP).
354 * fixinc/inclhack.sh: regen
355 * fixinc/fixincl.x: regen
357 2000-04-30 Richard Henderson <rth@cygnus.com>
359 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
360 from the last insn in the sequence.
362 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
364 * cpplex.c (cpp_idcmp): New function.
365 * cpplib.h: Prototype it.
366 * scan_decls.c (scan_decls): Use it to inspect token names.
367 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
368 the file being run through the preprocessor.
369 (check_macro_names): Provide length of token to cpp_defined.
371 * Makefile.in: Remove stale warning message.
373 * cppfiles.c (redundant_include_p): Provide length of token to
375 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
376 values are unsigned int.
377 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
378 (_cpp_lookup_slot): Do not calculate the hash, either.
379 * cpphash.h: Update prototypes.
380 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
381 Hashes are unsigned int. Calculate hash here, pass by value
384 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
386 * simplify-rtx.c (check_value_useless): Delete function.
387 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
389 (cselib_invalidate_regno): Likewise.
390 (cselib_invalidate_mem_1): Likewise.
391 (references_value_p): Recognize useless values by the fact that they
393 (discard_useless_values): Likewise.
394 (cselib_record_set): This may turn a useless value
397 2000-04-30 Richard Henderson <rth@cygnus.com>
399 * config/d30v: New port.
401 * configure.in (d30v-*): Set fp format.
402 * configure: Rebuild.
404 2000-04-30 Richard Henderson <rth@cygnus.com>
407 * Makefile.in (OBJS): Add it.
408 (ifcvt.o): New target.
409 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
410 and conditional arithmetic.
411 (find_insert_position): Remove.
412 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
413 * toplev.c (DFI_ce, DFI_ce2): New.
414 (dump_file): Add ce and ce2 dumps.
415 (rest_of_compilation): Run if_convert a couple o times. Set
416 cse_not_expected after cse2. Don't set no_new_pseudos until
417 after sched1 or recompute_reg_usage.
419 2000-04-30 Richard Henderson <rth@cygnus.com>
421 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
422 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
424 2000-04-30 Richard Henderson <rth@cygnus.com>
426 * flow.c (struct reg_cond_life_info): New.
427 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
428 (init_propagate_block_info): Initialize them.
429 (free_propagate_block_info): Destruct them.
430 (mark_set_1): Consider conditional life before killing a register.
431 (mark_regno_cond_dead): New.
432 (free_reg_cond_life_info): New.
433 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
434 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
435 (mark_used_reg): Record conditional life.
437 * haifa-sched.c (schedule_insns): Disable death counting
438 sanity check for HAVE_conditional_execution.
440 2000-04-30 Richard Henderson <rth@cygnus.com>
442 * Makefile.in (TIMEVAR_H): New.
443 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
444 (timevar.h): Remove rule.
446 2000-04-29 Richard Henderson <rth@cygnus.com>
448 * config/alpha/crtend.asm: Use C comments instead of #.
449 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
451 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
453 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
455 * cpphash.h (enum node_type: Take out T_MCONST.
456 (union hashval): Move into struct hashnode.
457 (struct hashnode): Pack tighter. Remove file, line, col
459 * cpphash.c: Constify most of the macro-definition structures.
460 (struct definition): Replace by struct object_defn
461 and struct funct_defn. Put file, line, column information
462 here. All users updated to match.
463 (_cpp_create_definition, _cpp_macroexpand): Remove special
464 case for #define WORD OTHERWORD.
465 * cpplib.c (do_undef): Remove T_MCONST case.
467 * cpphash.h: Move struct reflist, struct definition, and the
468 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
469 union hashval. _cpp_free_definition takes a HASHNODE pointer.
470 * cpphash.c (_cpp_free_definition): Free data pointed to by
471 MCONST, XCONST, MACRO, and FMACRO nodes properly.
472 (_cpp_create_definition, del_HASHNODE): Just call
473 _cpp_free_definition to clear out a hashnode.
474 * cpplib.c (do_pragma_poison): Likewise.
476 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
478 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
479 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
480 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
481 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
482 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
483 REGNO_AM33_P): Redefine in terms of the new macros.
484 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
485 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
486 STRUCT_VALUE): Likewise.
487 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
488 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
490 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
492 * regmove.c (struct record_stack_memrefs_data): New.
493 (record_stack_memrefs): New function.
494 (combine_stack_adjustments_for_block): Use it.
496 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
498 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
499 use special_function_p to detect alloca.
501 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
503 * gcc.texi: Fixes for makeinfo 4.0 --html.
505 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
507 * pcp.h: Delete file.
509 2000-04-28 Kazu Hirata <kazu@hxi.com>
511 * h8300.c (function_epilogue): Clean up flags when the last insn
512 in a function is a barrier.
514 2000-04-28 Chris Demetriou <cgd@sibyte.com>
516 * configure.in (sparc-hal-solaris2*): protect [] glob from
518 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
519 rather than hard-coded constants in target_cpu_default2.
520 * configure: Regenerate.
522 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
524 * tree.c (get_callee_fndecl): Extract the initial value from
527 2000-04-28 Richard Henderson <rth@cygnus.com>
529 * varasm.c (record_constant_1): Record the CODE_LABEL when
530 taking the address of a LABEL_REF.
532 2000-04-28 Richard Henderson <rth@cygnus.com>
533 Jan Hubicka <jh@suse.cz>
535 * calls.c (combine_pending_stack_adjustment_and_call): Return the
536 adjustment; don't do the stack adjust.
537 (expand_call): Call compute_argument_block_size right before
538 allocating the block; update comment; don't do alignment sanity
539 checking for sibling call; use args_size instead of
540 unadjusted_args_size before args_size is adjusted. Use
541 combine_pending_stack_adjustment_and_call to compute stack adjust
542 for must_preallocate case.
544 * expr.c (push_block): Remove shadow `temp' in inner scope.
546 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
548 * toplev.c (rest_of_compilation): Call
549 note_deferral_of_defined_inline_function even if the function
552 2000-04-28 Scott Bambrough <scottb@netwinder.org>
554 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
556 2000-04-28 Richard Henderson <rth@cygnus.com>
558 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
560 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
562 * timevar.c (init_timevar): DeANSIfy function definition.
564 2000-04-27 Alex Samuel <samuel@codesourcery.com>
566 * Makefile.in (timevar.o): Depend on flags.h.
567 * timevar.c (unused_stack_instances): New variable.
568 (timevar_push): Take a timevar_stack_def from
569 unused_stack_instances if available.
570 (timevar_pop): Push the popped timevar_stack_def onto
571 unused_stack_instances.
572 (TIMEVAR_ENABLE): New macro.
573 (timevar_def): Make standalone a 1-bit field. Add field used.
574 (get_time): Rename parameter to now. Return after clearing it if
576 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
577 (timevar_pop): Likewise.
578 (timevar_stop): Likewise.
579 (timevar_push): Likewise. Mark the timing variable as used.
580 (timevar_start): Likewise.
581 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
582 timevars that were never used.
584 2000-04-27 Mark Mitchell <mark@codesourcery.com>
586 * c-commom.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
587 always TREE_READONLY.
589 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
591 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
592 for call instruction with mode QImode.
594 2000-04-27 Alex Samuel <samuel@codesourcery.com>
596 * Makefile.in (OBJS): Add timevar.o.
597 (toplev.o): Depend on timevar.h.
598 (ggc-simple.o): Likewise.
599 (ggc-page.o): Likewise.
600 (timevar.o): New rule.
601 (timevar.h): New rule.
603 * timevar.h: New file.
604 * timevar.c: Likewise.
605 * timevar.def: Likewise.
607 * toplev.h (gc_time, parse_time, varconst_time): Remove.
608 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
610 (TIMEVAR): Remove macro.
611 (gc_time, parse_time, varconst_time, integration_time, jump_time,
612 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
613 flow_time, combine_time, regmove_time, sched_time,
614 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
615 sched2_time, dbr_sched_time, reorder_blocks_time,
616 rename_registers_time, shorten_branch_time, stack_reg_time,
617 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
619 (compile_file): Don't initialize time variables. Call
620 init_timevar and start TV_TOTAL timer. Call timevar_print instead
621 of many calls to print_time.
622 (rest_of_compilation): Add timing for reload_cse_regs.
623 (get_run_time): Removed to timevar.c.
624 (print_time): Likewise.
625 (get_run_time): Implement using TV_TOTAL time variable.
626 (print_time): Get total run time from get_run_time.
627 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
628 computing elapsed time explicitly.
629 * ggc-simple.c (ggc_collect): Likewise.
630 (gc_time): Remove declaration.
632 2000-04-27 Mark Mitchell <mark@codesourcery.com>
634 * calls.c (combine_pending_stack_adjustment_and_call): New function.
635 (expand_call): Use it.
637 2000-04-27 Jan Hubicka <jh@suse.cz>
639 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
642 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
644 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
647 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
649 * function.c (epilogue_done): Pass whole insn to record_insns.
651 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
653 * cse.c (CSE_ADDRESS_COST): Remove.
654 (find_best_addr): Add new parameter "MODE", use address_cost instead
657 (fold_rtx): Update call of find_best_addr.
658 * rtl.h (address_cost): Declare.
659 * loop.c (general_induction_var): Add new parameter "MODE", use
660 address_cost instead of ADDRESS_COST
661 (init_loop): Use address_cost instead of ADDRESS_COST.
662 (check_insn_for_givs): Update call of general_induction_var.
663 (find_mem_givs): Likewise.
664 (consec_sets_giv): Likewise.
665 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
666 * i386.c (ix86_address_cost): New.
667 * i386-protos.h (ix86_address_cost): Declare.
669 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
671 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
674 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
676 * expr.c (store_expr): Use clear_storage instead of direct memset
679 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
681 * config/mn10300/mn10300.c (mn10300_address_cost): Test
682 ASHIFT, AND and LABEL_REF.
684 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
686 * invoke.texi (-foptimize-sibling-calls): Fix.
688 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
690 * loop.c (load_mems) Don't use hard registers for the hoisting.
692 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
693 calculation; rename const_equiv array in the preconditioning code
694 from loop_unroll to loop_unroll_precondition
696 2000-04-27 Richard Henderson <rth@cygnus.com>
698 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
700 (propagate_one_insn): Clear it. Don't update reg_live here.
701 (init_propagate_block_info): Update for pbi member changes.
702 (free_propagate_block_info): Likewise.
703 (mark_set_1): Know that zero_extract, sign_extract, and
704 strict_low_part don't kill their argument. Alter hard subregs.
705 Update new_set for non-CLOBBER sets. Update reg_live.
706 (find_auto_inc): Update reg_live, not new_dead.
707 (mark_used_reg): Update reg_live, not new_live. Examine new_set
708 to determine if the reg in question was set this insn. Only update
709 reg info with PROP_REG_INFO.
711 2000-04-26 Richard Henderson <rth@cygnus.com>
713 * flow.c (allocate_reg_life_data): Set max_regno here ...
714 (life_analysis): ... not here.
716 * flow.c (calculate_global_regs_live): Force stack pointer
719 2000-04-26 Richard Henderson <rth@cygnus.com>
721 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
722 commit change group changes.
723 (invert_exp_1): Similarly.
724 (redirect_exp, invert_exp): Use them.
725 (redirect_jump_1): New.
726 (invert_jump_1): New.
727 (jump_optimize_1): Remove code subsumed by condexec.c.
728 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
730 2000-04-26 Richard Henderson <rth@cygnus.com>
732 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
734 * genconfig.c (main): Set all HAVE_foo to 1.
736 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
738 2000-04-26 Alex Samuel <samuel@codesourcery.com>
740 * invoke.texi: Document -fssa flag.
742 2000-04-26 Richard Henderson <rth@cygnus.com>
744 * flow.c (count_reg_sets_1): Remove.
745 (count_reg_sets, count_reg_references): Remove.
746 (recompute_reg_usage): Implement with update_life_info.
747 Reallocate life data.
749 2000-04-26 Richard Henderson <rth@cygnus.com>
751 * flow.c (update_life_info): Consider blocks null to mean the
753 (calculate_global_regs_live): Likewise.
754 (life_analysis): Do that instead of collecting all_blocks.
756 2000-04-26 Richard Henderson <rth@cygnus.com>
758 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
759 a still-valid conditional jump.
761 2000-04-26 Richard Henderson <rth@cygnus.com>
763 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
765 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
766 * flow.c (calculate_loop_depth): Remove.
767 * output.h (calculate_loop_depth): Don't declare.
768 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
769 inline; run estimate_probability at the same time.
771 2000-04-26 Neil Booth <NeilB@earthling.net>
773 * cpplib.h: "~=" is not a single pp-token.
774 * cpplex.c: Correct commentary.
776 2000-04-26 Richard Henderson <rth@cygnus.com>
778 * flow.c (mark_set_1): New arguments code and flags; update all
779 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
780 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
781 loop_depth when optimizing for size. Do new_dead update after
782 emitting REG_UNUSED notes. Merge mark_set_reg code.
783 (mark_set_reg): Remove.
784 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
785 arrange to not emit REG_UNUSED notes.
787 2000-04-26 Richard Henderson <rth@cygnus.com>
789 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
790 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
792 2000-04-26 Richard Henderson <rth@cygnus.com>
794 * flow.c (propagate_one_insn): Break out from propagate_block.
795 (init_propagate_block_info): Likewise.
796 (free_propagate_block_info): Likewise.
797 (propagate_block): Use them. Export.
798 * basic-block.h: Declare them all.
800 2000-04-26 Richard Henderson <rth@cygnus.com>
802 * basic-block.h (life_analysis): Declare here ...
803 * output.h: ... not here.
804 * flow.c (life_analysis): Remove nregs parameter; replace
805 remove_dead_code with flags. Remove ssa dead code check.
806 Only init alias analysis if we'll use it.
807 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
808 * ssa.c (convert_to_ssa): Likewise.
809 (convert_from_ssa): Likewise.
810 * toplev.c (rest_of_compilation): Likewise.
812 2000-04-26 Richard Henderson <rth@cygnus.com>
814 * flow.c (flow_delete_block): Rename from delete_block. Export.
815 * basic-block.h (flow_delete_block): Declare.
817 2000-04-26 David S. Miller <davem@redhat.com>
819 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
820 taking a PATTERN of it.
822 2000-04-26 <NeilB@earthling.net>
824 * cpplex.c (spell_other, spell_char): Remove.
826 (token_spelling, trigraph_map): Use unsigned chars.
827 (_cpp_lex_line): Tidy up the switch statement.
828 * cpplib.h: Implement spell_char with spell_string.
831 2000-04-26 <RodneyBrown@pmsc.com>
833 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
834 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
836 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
838 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
839 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
840 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
841 dwarf2out_return_save, dwarf2out_return_reg,
842 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
843 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
844 gen_compile_unit_die, dwarf2out_init): Constify a char*.
846 * dwarf2out.h (dwarf2out_init): Likewise.
848 * dwarfout.c (filename_entry, primary_filename, last_filename,
849 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
851 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
852 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
853 dwarf2out_return_reg): Likewise.
855 2000-04-26 Andreas Jaeger <aj@suse.de>
857 * extend.texi (Function Attributes): Fix description of pure
860 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
862 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
863 before calling rest_of_compilation.
865 2000-04-26 Andreas Jaeger <aj@suse.de>
867 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
870 2000-04-25 Richard Henderson <rth@cygnus.com>
872 * cse.c (cse_insn): Emit barrier after unconditional jump.
874 * calls.c (expand_call): Disable tail call generation once
875 rtx_equal_function_value_matters is false.
877 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
880 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
882 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
884 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
886 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
887 is the primary DIE for a member function.
888 (gen_decl_die): Call set_decl_origin_self here.
889 * dwarfout.c (output_decl): And here.
890 * integrate.c (output_inline_function): Not here.
891 Don't clear DECL_INLINE until after calling rest_of_compilation.
892 (set_decl_origin_self): No longer static.
893 * tree.h: Add prototype.
894 * toplev.c (note_deferral_of_defined_inline_function): Only write
895 out abstract instance for actual inlines.
897 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
899 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
900 EXTENDED_REGS only if TARGET_AM33.
901 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
902 SP_REGS to register allocation and reloading unless absolutely
904 (movsi3): Remove special-case of adding non-constants to SP.
906 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
908 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
909 INCLUDES to search and does not provide any of its own. Also it
910 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
911 parameters. Also it does not call AC_DEFINE.
912 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
913 AC_DEFINE and provides for automatic entries for autoheader.
914 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
916 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
917 so we can pass -I flags and include gansidecl.h/system.h in this
920 * acconfig.h: Delete all NEED_DECLARATION_* entries.
922 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
924 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
925 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
926 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
928 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
929 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
930 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
931 for these macros. Clean up spacing and linewraps.
933 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
935 * calls.c (expand_call): Use get_callee_fndecl.
937 * print-tree.c (print_node): Print the chain of an _EXPR.
939 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
940 Jim Wilson <wilson@cygnus.com>
941 Andrew Haley <aph@cygnus.com>
943 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
944 and gp save/restore problems.
945 * config/ia64/crtend.asm: Add IA-64 unwind support.
946 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
947 in fr_pad_size calculation.
948 (save_restore_insns): Move PR save area. Correct uses of
950 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
951 (ia64_expand_epilogue): Add eh_epilogue support.
952 (ia64_function_prologue): Emit .prologue directive.
953 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
954 (ia64_override_options): Set init_machine_status and
956 (rtx_needs_barrier): Handle bsp reads and writes.
957 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
958 New static variables.
959 (process_set, process_for_unwind_directive): New functions.
960 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
961 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
962 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
964 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
965 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
966 (struct machine_function): Define.
967 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
969 2000-04-25 Bruce Korb <bkorb@gnu.org>
971 * fixinc/Makefile.in: make the removal of old programs more
973 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
974 install-bin and install-sh
976 2000-04-25 Nick Clifton <nickc@cygnus.com>
978 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
979 defined, define to return zero.
980 (function_cannot_inline_p): If a function has any target
981 specific attributes, then use the macro
982 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
983 whether it can be inlined. If it cannot, issue a suitable
986 * tm.texi: Add a new node 'Inlining' to document the new macro
987 FUNCTION_ATTRIBUTE_INLINABLE_P.
989 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
991 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
994 2000-04-25 Neil Booth <NeilB@earthling.net>
996 Restore previous patch, plus the following fixes:
998 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
999 flags, not CPP_OPEN_PAREN.
1000 * cpplex.c (expand_token_space, init_token_list,
1001 cpp_free_token_list): Put the dummy token at list->tokens[-1].
1002 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
1004 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1006 * config/i386/freebsd.h (INT_ASM_OP): Define.
1008 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
1010 * loop.c (strength_reduce): Fix typo in the last checkin.
1012 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1014 * stor-layout.c (finalize_record_size): Simplify to use existing
1016 (compute_record_mode): No longer static.
1017 * tree.h (compute_record_mode): New declaration.
1019 2000-04-25 Neil Booth <NeilB@earthling.net>
1021 * Revert my patch below until cause of build failures
1024 2000-04-25 Richard Henderson <rth@cygnus.com>
1026 * combine.c (combine_instructions): Add missing argument
1029 * toplev.c (rest_of_compilation): Delay sibcall optimization
1030 until after emit_eh_context.
1032 2000-04-24 Nick Clifton <nickc@redhat.com>
1034 * combine.c (combine_instructions): Do not try to combine a
1035 sequence of insns when the second insn has been replaced by a
1038 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
1040 * gcc.c (load_specs): New static function.
1041 (read_specs): Use it.
1043 * gcc.c (lookup_compiler): Make multiple passes for case
1044 insensitive filesystems.
1046 2000-04-24 Neil Booth <NeilB@earthling.net>
1048 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
1049 * cpphash.h (_cpp_check_directive): new.
1050 * cpplex.c (handle_newline, cpp_free_token_list,
1051 init_trigraph_map, trigraph_ok, trigraph_replace,
1052 backslash_start, skip_block_comment, skip_line_comment,
1053 skip_whitespace, parse_name, parse_number, parse_string,
1054 copy_comment, _cpp_lex_line, spell_char, spell_string,
1055 spell_comment, spell_name, spell_other, _cpp_lex_file,
1056 _cpp_output_list): new.
1057 (expand_name_space): take length argument.
1058 (init_token_list): add comment list initialisation.
1059 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
1060 instead of HSPACE_BEFORE.
1062 * cpplib.c (_cpp_check_directive): new
1063 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
1064 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
1065 (HSPACE_BEFORE): delete.
1066 (TTYPE_TABLE): rearrange.
1067 (struct cpp_toklist): update.
1069 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1071 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
1072 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
1073 argument form of AC_DEFINE.
1075 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
1076 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
1077 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
1078 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
1079 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
1081 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
1083 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1085 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
1086 deduced.h): Use -isystem, not -I, for including system headers.
1088 2000-04-24 Nick Clifton <nickc@cygnus.com>
1090 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
1091 the source register is the frame pointer or arg pointer.
1092 (addsi3_small_int): Disallow if source register is the frame
1093 pointer or arg pointer.
1095 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1097 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
1098 call to AC_MSG_RESULT.
1100 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1102 * invoke.texi: Correct grammatical errors, document
1103 -fno-gnu-keywords as identical to -fno-asm for C++.
1105 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1107 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
1108 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
1109 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
1110 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
1111 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
1113 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
1114 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
1115 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
1116 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
1119 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
1121 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
1122 (pop_alignment): Likewise.
1123 (handle_pragma_token): Likewise.
1125 2000-04-24 Robert Lipe <robertlipe@usa.net>
1127 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
1129 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
1131 * combine.c (try_combine): Update reg_nonzero_bits of
1132 newi2pat before newpat.
1134 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
1136 * loop.c (strength_reduce): Simplify test to INSN_P.
1137 (record_giv): Attempt to simplify the add value, use CONSTANT_P
1138 expressions instead of CONST_INT.
1139 (express_from_1): Likewise.
1141 2000-04-24 Mark Mitchell <mark@codesourcery.com>
1143 * regs.h (reg_n_max): Don't declare.
1144 * flow.c (reg_n_max): Don't define.
1145 * regclass.c (renumber): Don't initialize to zero.
1146 (regno_allocated): Likewise.
1147 (reg_n_max): Define.
1148 (allocate_reg_info): Don't initialize unnecessarily.
1150 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
1152 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
1153 and blockage_p in the newly allocated attribute.
1155 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
1157 * config/mn10300/mn10300.md (addsi): `inc4' on address
1158 registers does not modify cc, but `inc' on an extended
1161 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
1163 * reload.c (find_equiv_reg): Checks all valueno regs
1164 as a reload_reg_p regs.
1166 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
1168 * cpphash.c (collect_objlike_expansion): Add sanity check.
1169 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
1170 the buffer is the empty string, return. Mark __DATE__ and
1171 __TIME__ as XCONST nodes, not MCONST.
1172 (_cpp_macroexpand): Avoid pushing an empty buffer.
1173 (funlike_macroexpand): Don't pop token_buffer here.
1175 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
1177 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
1178 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
1179 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
1180 (REGNO_OK_FOR_BASE_P): Define in terms of them.
1181 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
1182 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
1183 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
1185 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1187 * loop.c (simplify_giv_expr): Be more agressive on simplifying
1190 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
1192 * cpphash.h (struct definition): Move file, line, col members...
1193 (struct hashnode): ... here. Also add 'disabled' flag.
1194 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
1195 T_IDENTITY. Remove T_DISABLED.
1198 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
1199 (collect_expansion): Split into collect_objlike_expansion and
1200 collect_funlike_expansion.
1201 (_cpp_macroexpand): Split out scan_arguments, stringify, and
1202 funlike_macroexpand.
1203 (_cpp_compare_defs): Rename compare_defs, make static.
1204 (_cpp_make_hashnode): Initialize hp->disabled.
1205 (macro_cleanup): Adjust for new token types. Clear
1207 (_cpp_create_definition): Move code here to determine what
1208 sort of macro it is, and code to check for redefinitions, from
1209 do_define. Implement a few simple cases without creating a
1211 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
1212 Handle the simple cases.
1213 (push_macro_expansion): Set buf->has_escapes and hp->disabled
1216 * cppinit.c (builtin_array): Change MCONST to XCONST
1218 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
1219 fix check for disabled and function-like macros.
1220 * cpplib.c (do_define): Move most logic to
1221 _cpp_create_definition.
1222 (do_undef): Handle new special token types.
1224 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
1226 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
1227 of CONSTANT_P for mult_val; always use validate_change to update insn.
1229 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
1231 * cpphash.c (trad_stringify, add_pat): New functions.
1232 (collect_expansion): Restore support for -traditional syntax.
1233 Use trad_stringify and add_pat.
1234 (_cpp_macroexpand): Restore support for -traditional semantics.
1235 * cpplex.c (_cpp_scan_line): Don't change space_before if we
1236 get a COMMENT token.
1237 (_cpp_lex_token): Provide COMMENT tokens to caller if
1238 traditional and parsing_define_directive.
1239 (skip_comment): Warn about // comments if -Wtraditional.
1240 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
1242 (do_undef): Don't warn about undefining EMPTY nodes.
1244 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
1246 * loop.c (strength_reduce): Fix biv removal code.
1248 2000-04-22 Richard Henderson <rth@cygnus.com>
1250 * predict.c (estimate_probability): Examine both sides of
1251 a branch for no exits. Use 90% not 50% for predict taken.
1252 Reorg for one copy of note generation code.
1254 2000-04-22 Richard Henderson <rth@cygnus.com>
1256 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
1258 2000-04-22 Richard Henderson <rth@cygnus.com>
1260 * diagnostic.c (init_output_buffer): Don't initialize format_args.
1261 (output_clear): Likewise.
1262 (output_printf): Use va_copy.
1263 (vline_wrapper_message_with_location): Likewise.
1264 (v_message_with_decl): Likewise.
1265 (line_wrapper_printf): VA_START infor buffer.format_args directly.
1266 * system.h (va_copy): Provide default implementation.
1268 2000-04-22 Richard Henderson <rth@cygnus.com>
1270 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
1271 the collected condition is not a constant.
1273 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
1275 * diagnostic.h: New file.
1277 * Makefile.in (diagnostic.o): Depends on diagnostic.h
1279 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
1280 various function prototypes.
1281 (diagnostic.h): #include.
1282 (struct output_buffer): Move into diagnostic.h.
1283 (get_output_prefix): Rename to output_get_prefix. Export.
1284 (init_output_buffer): Export. Break out. Ajust intialization.
1285 (output_space_left, output_append): Export.
1286 (output_newline): Rename to output_add_newline. Export.
1287 (output_clear): Nullify additional output_buffer fields.
1288 (output_puts): Rename to output_add_string. Export.
1289 (dump_output): Rename to output_flush_on. Export.
1290 (build_location_prefix): Constify return-type.
1291 (emit_output_prefix): Rename to output_emit_prefix. Export.
1292 (set_real_maximum_length): New function.
1293 (output_set_maximum_length): Ditto
1294 (output_clear): Ditto.
1295 (output_add_character): Ditto.
1296 (output_add_integer): Ditto.
1297 (output_add_space): Ditto.
1298 (output_format): Ditto.
1299 (output_printf): Adjust buffer initialization.
1300 (vline_wrapper_message_with_location): Ditto.
1301 (v_message_with_decl): Ditto. Adjust call to output_puts
1302 and get_output_prefix.
1303 (default_print_error_function): Adjust buffer intialization.
1305 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1307 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
1310 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
1312 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
1315 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
1317 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
1318 accurate data about SP moves.
1320 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
1322 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
1323 aliases to AM33 registers.
1325 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
1327 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
1328 to all EXTENDED bitmaps.
1330 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
1332 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
1333 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
1334 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
1336 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
1338 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
1339 the operand is not constant.
1341 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
1343 * reload.c (find_equiv_reg): Checks all valueno and regno regs
1344 as a call-clobbered regs.
1346 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1348 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
1350 * rtl.def: Update comment.
1351 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
1352 * integrate.c (expand_inline_function): Likewise.
1353 * profile.c (branch_prob): Likewise.
1354 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
1355 * print-rtl.c (print_rtx): Likewise.
1356 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
1357 (reemit_notes): Likewise; also use enum insn_note.
1359 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
1360 (place_field): Properly compute know and actual alignment.
1362 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
1365 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
1368 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
1370 * cpphash.c (struct arg, struct arglist): Const-ify strings.
1371 (warn_trad_stringify, duplicate_arg_p): New helper functions.
1372 (collect_expansion): Rewrite to scan over a token list.
1373 Remove -traditional support.
1374 (collect_formal_parameters): Rename to collect_params; rewrite
1375 to scan over a token list.
1376 (_cpp_create_definition): Adjust to scan a token list.
1377 (_cpp_macroexpand): Remove -traditional support.
1378 (_cpp_compare_defs): Whitespace is now canonicalized.
1379 (comp_def_part): Delete function.
1381 * cpphash.h: Update prototypes.
1382 * cpplex.c (init_token_list): Don't set lineno if there is no
1384 (pedantic_whitespace): New function.
1385 (_cpp_scan_line): Mark tokens that had hspace before. Don't
1386 consume a newline. Use pedantic_whitespace.
1387 (_cpp_lex_token): Remove support for -traditional macros.
1388 (_cpp_get_define_token): Delete.
1389 (_cpp_get_directive_token): Do the real work here. Use
1390 pedantic_whitespace.
1391 (_cpp_init_input_buffer): Initialize pfile->directbuf.
1393 * cpplib.c (get_macro_name): Delete.
1394 (do_define): Read the entire line into pfile->directbuf, then
1395 feed the token list to _cpp_create_definition.
1396 * cpplib.h (HSPACE_BEFORE): new define.
1397 (struct cpp_reader): Add a toklist member, "directbuf".
1399 * predict.c (estimate_probability): New heuristic: if a jump
1400 branches around a block with no successors, predict it taken.
1401 Disentangle control flow.
1403 2000-04-20 Richard Henderson <rth@cygnus.com>
1405 * loop.c (emit_iv_add_mult): Revert last change.
1407 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1409 * cpplib.h (enum cpp_ttype): Add token types for all
1410 punctuators. Distinguish pp-numbers from valid C numbers.
1411 Give some tokens better names. Initialize from macro.
1412 (struct cpp_name, cpp_token, cpp_toklist): New data
1415 * cpplex.c (bump_column, expand_name_space,
1416 expand_token_space, init_token_list, cpp_output_list,
1417 _cpp_scan_line): New functions.
1418 (output_line_command): Add third argument, new line number.
1419 * cpphash.h: Update prototypes.
1420 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
1423 2000-04-20 Richard Henderson <rth@cygnus.com>
1425 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
1427 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1429 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
1432 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
1434 * loop.c (emit_iv_add_mult): Simplify it's input and emit
1435 REG_EQUAL note explaining the calculated value.
1437 * calls.c (expand_call): Avoid unnecesary precalculation
1438 and outgoing parameters space guarding for sibling calls.
1439 (store_one_arg): Likewise.
1441 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1443 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
1444 (rest_of_compilation): Write sibling dump file and account
1445 for time as jump time.
1446 * invoke.texi: Update documentation on dump flags.
1448 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
1450 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
1452 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
1454 * cpphash.c (special_symbol): Represent an empty macro with
1455 "\r \r " not just "\r ".
1456 (_cpp_macroexpand): Correct condition for the foo ( ) special
1458 (unsafe_chars): Handle EOF as second argument.
1459 (push_macro_expansion): Simplify test for removing escape at
1460 end. Do not trim both escapes if there is no text in between.
1462 2000-04-19 Jim Blandy <jimb@redhat.com>
1464 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
1465 of PTR_SIZE, when appropriate.
1467 2000-04-19 Mark Mitchell <mark@codesourcery.com>
1469 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
1470 (USE_ENUM_BITFIELDS): Fix typo.
1472 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1474 * stor-layout.c (place_field): Set rli->offset_align properly.
1476 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1478 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
1479 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
1480 PARM_BOUNDARY): Remove unnecessary casts.
1482 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
1484 * calls.c (precompute_arguments): Remove must_preallocate and
1486 (expand_call): Update call of precompute_arguments.
1488 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
1489 check_insn_for_givs): Break out from ...
1490 (strength_reduce) ... here; use for_every_insn_in_loop to call
1491 check_insn_for_givs.
1492 * loop.h (for_every_insn_in_loop): Declare.
1493 (loop_insn_callback): New type.
1495 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1497 * cpplib.c (do_pragma_poison): Strings in the token buffer are
1500 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
1502 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
1505 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1507 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
1509 * configure.in: Delete --disable-cpplib option and all
1510 references to cpp_main.
1511 * configure: Regenerate.
1512 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
1513 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
1514 cccp.o, cccp, or cppmain. Link cppmain.o straight to
1515 cpp$(exeext). Add --no-headers to makeinfo command line when
1516 generating INSTALL. Install and uninstall cpp.1 manpage, not
1518 * install.texi: Delete all references to cexp.y/cexp.c.
1519 Delete ancient instructions for compiling GCC on 3b1.
1520 * INSTALL: Regenerate.
1522 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
1523 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
1524 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
1526 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
1527 which is no longer tested anywhere.
1529 * cppinit.c (handle_option): Don't run error message through
1532 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1534 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
1535 * cpperror.c (hashtab.h): Now include.
1536 * cppexp.c (hashtab.h): Likewise.
1537 * cpplex.c (hashtab.h): Likewise.
1538 * cppfiles.c (hashtab.h): Likewise.
1539 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
1540 to htab_find_slot_with_hash.
1541 * cpphash.c (hashtab.h): Now include.
1542 (_cpp_lookup_slot): INSERT is now enum insert_option.
1543 * cpphash.h (_cpp_lookup_slot): Likewise.
1544 * cppinit.c (hashtab.h): Include earlier.
1545 (initialize_builtins): Pass enum to htab_find_slot.
1546 * cpplib.c (hashtab.h): Now include.
1547 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
1548 (do_pragma_poison, do_assert): Likewise.
1549 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
1550 htab_find_slot_with_hash.
1551 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
1552 * tree.c (type_hash_add): Likewise.
1553 (build1): Minor cleanup.
1555 * ggc-common.c: Add missing blanks.
1556 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
1557 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
1559 * stmt.c (mark_case_node): New function.
1560 (mark_case_nesting): Call it.
1562 * expmed.c (emit_store_flag): If comparing two-word integer
1563 with zero, can optimize NE, EQ, GE, and LT.
1565 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
1566 * conflict.c: Minor cleanups.
1567 * optabs.c: Add blank line
1568 * simplify-rtx.c: Minor cleanups.
1570 2000-04-18 Stan Cox <scox@cygnus.com>
1572 * gengenrtl.c (genlegend): Fix misspelling.
1574 2000-04-18 Robert Lipe <robertlipe@usa.net>
1576 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
1577 bitfields of the host compiler are not signed quantities.
1578 * config.in: Regenerate.
1579 * configure: Regenerate.
1580 * system.h (USE_ENUM_BITFIELDS): Added.
1581 (ENUM_BITFIELDS): Added.
1582 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
1583 (SHORT_ENUM_BUG): Deleted.
1584 * tree.h (tree_common): Members `code', `mode', `built_in_class',
1586 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
1587 (CODE_FIELD_BUG): Likewise.
1588 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
1590 * config/m68k/x-ccur (X_CFLAGS): Likewise.
1592 2000-04-18 Mark Mitchell <mark@codesourcery.com>
1594 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
1597 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1599 * cppexp.c (lex): Don't assume tokens are NUL terminated.
1600 * cpplib.c (do_include, do_import, do_include_next,
1601 read_line_number, detect_if_not_defined): Likewise.
1602 * cpphash.c (collect_expansion): Likewise.
1603 (special_symbol, _cpp_macroexpand): Check return from
1605 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
1606 macros. Delete all uses.
1608 * gcc.dg/cpp-mi.c: Add two more test cases.
1609 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
1611 2000-04-17 Richard Henderson <rth@cygnus.com>
1613 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
1614 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
1616 2000-04-17 Mark Mitchell <mark@codesourcery.com>
1618 * function.c (expand_function_start): Use hard_function_value to
1619 compute the RTL to use for DECL_RESULT.
1621 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
1623 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
1624 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1625 x86_memory_mismatch_stall): New global variables.
1626 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
1627 alloved; fix load penalties for Athlon.
1628 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1629 x86_memory_mismatch_stall): Declare.
1630 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
1631 TARGET_MEMORY_MISMATCH_STALL): New.
1632 * i386.md (athlon scheduling parameters): Fix latencies according to
1633 Athlon Optimization Manual.
1634 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
1636 (fsqrt instruction patterns): Set athlon_decode to direct.
1637 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
1638 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
1639 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
1640 and TARGET_PARTIAL_REGISTER_STALL machines.
1641 (pushdf_nointeger): New pattern.
1642 (pushdf_integer): Rename from pushdf.
1643 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
1644 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
1646 2000-04-17 Richard Henderson <rth@cygnus.com>
1648 * loop.c (canonicalize_condition): Add WANT_REG argument.
1649 Stop the search if we match it.
1650 * expr.h (canonicalize_condition): Update decl.
1651 * predict.c (expected_value_to_br_prob): Use it. Track last
1652 expected value note.
1653 (find_expected_value): Remove.
1655 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
1657 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1659 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
1660 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
1662 * configure.in: Call AC_FUNC_MMAP_FILE.
1663 * configure: Regenerate.
1664 * config.in: Regenerate.
1666 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
1667 * fixinc/fixincl.c: Likewise.
1669 2000-04-17 Richard Henderson <rth@cygnus.com>
1671 * builtins.c (expand_builtin_expect): New.
1672 (expand_builtin): Call it.
1673 * builtins.def (BUILT_IN_EXPECT): New.
1674 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
1675 * extend.texi: Document it.
1677 * predict.c (expected_value_to_br_prob): New.
1678 (find_expected_value): New.
1679 * basic-block.h (expected_value_to_br_prob): Declare.
1680 * toplev.c (rest_of_compilation): Invoke it.
1682 * rtl.h (NOTE_EXPECTED_VALUE): New.
1683 (NOTE_INSN_EXPECTED_VALUE): New.
1684 * rtl.c (note_insn_name): Update.
1685 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
1686 cases; handle NOTE_INSN_EXPECTED_VALUE.
1688 2000-04-17 Jakub Jelinek <jakub@redhat.com>
1690 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
1691 leaf sibcall delay slot if flag_pic.
1692 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
1694 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1696 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
1698 * fixproto: If fix-header fails, exit with an error.
1700 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1702 * cse.c (struct check_depdendence_data): New.
1703 (check_dependence): New function.
1704 (invalidate): Use check_depdenence.
1706 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1708 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
1709 UNITS_PER_WORD is unsigned.
1711 * tree.h (struct tree_common): Remove misleading comment.
1713 2000-04-16 Dave Pitts <dpitts@cozx.com>
1715 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
1716 message in quotes. Otherwise, IBM's make program treats the '#' as the
1717 start of a comment and ignores the remainder of the line.
1719 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
1721 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
1722 * cexp.y (initialize_random_junk): Likewise.
1723 * cppfiles.c (find_include_file): Cast alloca return value.
1724 * cppinit.c (initialize_standard_includes): Likewise.
1725 * cpplib.c (cpp_define, cpp_undef): Likewise.
1726 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
1727 * final.c (output_asm_insn): Allow for holes in EBCDIC.
1728 * fold-const.c (CHARMASK): New.
1729 (real_hex_to_f): Use it.
1730 * real.c (CHARMASK): New.
1731 (etoasc, asctoeg): Use it.
1732 (asctoeg): EBCDIC lower case characters preceed upper case.
1734 * i370.c (mvs_add_label): Change spacing for coding conventions.
1735 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
1736 outputing case vectors.
1737 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
1738 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
1739 since vector in in the data CSECT.
1740 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
1741 * i370.md (Many patterns): Put the length in the XL directives.
1742 (movdi): Put back STM and MVC in definition.
1743 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
1744 pattern using the TCA.
1745 * oe.h (CPP_SPEC): Added to allow trigraphs.
1746 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
1747 not support the "long long" type.
1749 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1751 * config/mips/mips-protos.h (mips_legitimate_address_p): New
1753 (mips_reg_mode_ok_for_base_p): Likewise.
1754 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
1755 (REG_OK_FOR_INDEX_P): Define unconditionally.
1756 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
1757 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
1758 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
1759 that GET_MODE_SIZE is unsigned.
1760 (mips_reg_mode_ok_for_base_p): Define.
1761 (mips_legitimate_address_p): Likewise. Adjust now
1762 that GET_MODE_SIZE is unsigned.
1763 (block_move_loop): Make the number of bytes unsigned.
1764 (expand_block_move): Likewise.
1765 (function_arg): Make the loop counter unsigned to match the
1768 2000-04-16 Richard Henderson <rth@cygnus.com>
1770 * rtl.h (enum insn_note): New enumeration. Subsume
1771 NOTE_INSN_DELETED and friends.
1772 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
1773 * rtl.c (note_insn_name): Tweak string order.
1775 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
1777 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
1780 * cpplex.c (output_line_command): Remove debugging prints.
1781 (cpp_output_tokens): Don't write out a zero-length buffer or
1782 try to see if it has a newline in it.
1783 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
1784 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
1785 the end of the loop. Use memmove. Don't read past the end of
1786 the buffer. Remove trailing newlines from error messages.
1788 2004-04-16 Neil Booth <NeilB@earthling.net>
1790 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
1791 * cpplib.c: Add new syntax flags to directive table, and
1794 2000-04-15 Ulrich Drepper <drepper@redhat.com>
1796 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
1799 2000-04-15 David Edelsohn <edelsohn@gnu.org>
1801 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
1802 * haifa-sched.c: Update -fsched-verbose comments to use "=".
1804 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1806 * Makefile.in (ggc-page.o): Now includes toplev.h.
1807 * ggc-page.c (toplev.h): Now included.
1808 (gc_time): Remove declaration.
1809 (ggc_collect): TIME now long.
1810 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
1812 * toplev.h (gc_time, parse_time, gc_time): New declarations.
1814 * toplev.c: Make *_time variable long to reduce chance of overflow.
1815 (TIMEVAR): Likewise for `otime'.
1816 (print_time): Arg is now long; compute percentage in FP and round.
1817 * toplev.h (print_time): Arg is long.
1819 * tree.c: Minor whitespace changes.
1821 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
1822 * configure: Rebuilt.
1823 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
1824 (__fixunsxfDI): Renamed from __fixunsxfdi.
1825 (__fixunsdfDI): Renamed from __fixunsdfdi.
1826 (__fixunssfDI): Renamed from __fixunssfdi.
1827 (__floatdisf): Use proper type in REP_BIT macro.
1828 (__fixunsxfSI): Renamed from __fixunsxfsi.
1829 (__fixunsdfSI): Renamed from __fixunsdfsi.
1830 (__fixunssfSI): Renamed from __fixunssfsi.
1831 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
1832 Change location of macros and upper-case some names as above.
1833 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
1834 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
1836 * varasm.c (assemble_variable): Add cast to remove warning.
1837 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
1839 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
1840 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
1841 region number to -1.
1843 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
1845 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
1846 call unshare_all_rtl.
1848 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
1850 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
1852 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
1853 Use .s1 not .s0 for all FP instructions.
1855 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
1857 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
1859 (safe_fwrite, output_line_command): New static functions.
1860 (cpp_expand_to_buffer): Now private to cpplib.
1861 (cpp_scan_buffer): Take a printer.
1863 * cpphash.h: Update prototypes.
1864 * cpplib.h: Update prototypes.
1866 (cpp_buffer): Remove last_nominal_fname.
1867 (cpp_reader): Remove lineno.
1869 * cppmain.c: Use a cpp_printer.
1870 * fix-header.c: No need to inhibit line commands. Call
1871 cpp_start_read with no printer.
1873 * cpperror.c (cpp_notice_from_errno): Provide default name.
1874 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
1875 (find_include_file, cpp_read_file): Use make_IHASH.
1876 (file_cleanup): Set control_macro and clear
1877 input_stack_listing_current here.
1878 (_cpp_execute_include): Don't output entering-file marker.
1879 * cpphash.c (special_symbol): Look for the line number in the
1880 buffer, not the reader.
1881 (_cpp_macroexpand): No need to disable line commands.
1882 (_cpp_dump_definition): No need to generate line commands.
1883 (dump_hash_helper): Remove excess newline from output.
1884 * cppinit.c (dump_special_to_buffer): No need to generate line
1886 (cpp_printer_init): New.
1887 (cpp_start_read): Take a printer, and start it up if it's not
1888 NULL. No need to generate line commands.
1889 (cpp_finish): Expect no buffers stacked at all. Take a
1890 printer argument, and flush the output buffer if it's not
1892 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
1893 Don't put two hashes at the beginning of an assertion.
1894 (cpp_get_token): Don't increment pfile->lineno or emit line
1895 commands here. Return EOF if there's no buffer when we get
1897 * cpplib.c (do_define, skip_if_group):
1898 No need to disable line commands.
1899 (_cpp_output_line_command): Delete function.
1900 (do_line): Don't emit line commands here, but set things up so
1901 they will be emitted if necessary. Use _cpp_fake_ihash to
1902 make unique nominal_fnames if necessary.
1903 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
1904 with 0 for column, not -1.
1905 (_cpp_handle_eof): Don't set the control macro here. Don't
1906 clear input_stack_listing_current here. Don't emit line
1909 2000-04-14 Geoff Keating <geoffk@cygnus.com>
1911 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
1912 always, use the default SVR4 start address.
1914 * config/rs6000/linux.h (LINK_SPEC): Don't define.
1915 (LINK_SHLIB_SPEC): Define.
1916 (LINK_START_DEFAULT_SPEC): Define.
1917 (LINK_OS_DEFAULT_SPEC): Define.
1919 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
1921 * config/rs6000/eabi.asm (__eabi): Call __init rather than
1922 __do_global_ctors to handle constructors.
1923 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
1924 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
1925 (STARTFILE_MVME_SPEC): Likewise.
1926 (STARTFILE_SIM_SPEC): Likewise.
1927 (ENDFILE_ADS_SPEC): Use crtend.
1928 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
1929 (ENDFILE_MVME_SPEC): Likewise.
1930 (ENDFILE_SIM_SPEC): Likewise.
1931 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
1932 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
1933 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
1934 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
1935 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
1936 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
1937 (CRTSTUFF_T_CFLAGS_S): Define.
1938 * config/rs6000/eabi-ctors.c: Delete.
1940 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
1943 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
1947 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
1949 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
1950 plus mask size is smaller or equal to the mode size.
1952 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1954 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
1957 * expr.c (reload.h): Now included.
1958 (emit_block_move): Set volatile_ok when checking for movstr.
1959 (emit_move_1): Check for replacements in addresses in multi-word case.
1960 * Makefile.in (expr.o): Now includes reload.h.
1962 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
1963 Never have a LIBCALL end a basic block.
1964 (find_basic_blocks_1): Likewise.
1965 Reorganize CALL_INSN cases.
1967 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
1969 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
1971 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
1972 completers from mov.ret instruction.
1974 2000-04-14 Richard Henderson <rth@cygnus.com>
1976 * fold-const.c (extract_muldiv): Don't distribute and widen
1977 multiply across plus for non-sizetype unsigned types.
1979 2000-04-14 Richard Henderson <rth@cygnus.com>
1981 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
1982 If the original source is dead in the incr insn, it's dead now.
1984 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1986 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
1987 see if DECL_BIT_FIELD needs to still be set.
1989 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
1991 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
1992 print_int_cst_octal with something that's not an INTEGER_CST.
1994 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
1995 and not a SUBREG to a FLOAT rtl.
1997 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
1999 * emit-rtl.c (try_split): Avoid infinite loop if the split
2000 results in a sequence that contains the original insn.
2002 2000-04-13 Andreas Jaeger <aj@suse.de>
2004 * config/mips/mips.c (expand_block_move): Pass alignment
2005 argument to move_by_pieces in bits, not bytes.
2007 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
2008 __pic__ for little endian.
2010 2000-04-13 Andreas Jaeger <aj@suse.de>
2012 * config/i386/i386-protos.h: Add prototype for
2013 uno_comparison_operator.
2015 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
2017 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
2018 * calls.c (ECF_PURE): New flag.
2019 (emit_call_1): Handle ECF_PURE calls.
2020 (initialize_argument_information): Unset ECF_PURE flag too.
2021 (precompute_arguments): Precompute for ECF_PURE too.
2022 (expand_call): Handle ECF_PURE calls too.
2023 (emit_library_call_value_1): Rename no_queue argument to fn_type,
2024 accept value of 2 as pure function.
2025 (emit_library_call_value, emit_library_call): Rename no_queue argument
2027 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
2029 * tree.h (DECL_IS_PURE): New macro.
2030 (struct tree_decl): Add pure_flag.
2031 * c-common.c (enum attrs): Add attribute "pure".
2032 (init_attributes): Initialize attribute "pure"
2033 (decl_attributes): Handle attribute "pure".
2034 * extend.texi (Attribute "pure"): Document.
2035 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
2037 (flags_from_decl_or_type): Support attribute "pure".
2039 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
2041 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
2042 the token except for numbers and identifiers.
2044 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
2046 * i386.c (ix86_expand_binary_operator,
2047 ix86_expand_unary_operator): Check no_new_pseudos
2048 instead of reload_in_progress and reload_completed.
2049 (ix86_split_ashldi, ix86_split_ashrdi,
2050 ix86_split_lshrdi): Check no_new_pseudos instead
2051 of reload_completed.
2053 2000-04-12 Jeffrey A Law (law@cygnus.com)
2055 * function.c (purge_addressof): Unshare any shared rtl created by
2056 purge_addressof and its children.
2058 2000-04-12 Mark Mitchell <mark@codesourcery.com>
2060 * function.c (aggregate_value_p): VOID_TYPE nodes are never
2063 2000-04-05 Andreas Jaeger <aj@suse.de>
2065 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
2066 not compiling PIC code, add flags for mabi=64.
2067 (SUBTARGET_CPP_SIZE_SPEC): New.
2068 (SUBTARGET_CPP_SPEC): New.
2069 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
2070 for MIPS/Linux and lots of code needs these defines.
2072 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
2074 * reorg.c (fill_slots_from_thread): Check side_effects_p when
2075 trying the "opposite arithmetic" approach.
2077 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2079 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
2080 (struct sh_args): Add new field force_mem.
2081 (INIT_CUMULATIVE_ARGS): Initialize it.
2082 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
2084 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
2086 * calls.c (expand_call): Do not reverse args in "equal from" field.
2087 (emit_library_call_value_1): Emit_libcall_block for const and pure
2090 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2092 * reload1.c (reload_combine): Don't enable optimization for fixed
2093 registers when encountering a BARRIER.
2095 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
2097 * builtins.c (expand_builtin_memcmp): Do expansion even with
2098 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
2100 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
2101 stack is propertly aligned; add sanity checking for aligned
2103 (expand_library_call_value_1): Add sanity checking for aligned
2106 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
2108 * calls.c (emit_library_call_value_1): Change 3rd arg to
2109 locate_and_pad_parm to disregard the setting of partial.
2111 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2113 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
2115 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
2116 CALL_INSN from the normal case.
2118 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
2120 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
2121 New global variables.
2122 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
2124 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
2126 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
2127 TARGET_ADD_ESP_8): New macros.
2128 * i386.md: Add peep2s to convert esp adjustments to push and pop
2130 (pushsi_prologue, popsi_epilogue): New patterns.
2132 2000-04-12 Jakub Jelinek <jakub@redhat.com>
2134 * real.c (toe64): Remove stale #endif from the last change.
2136 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
2138 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
2139 * real.c (toe64): Revert previous change.
2141 2000-04-12 Jakub Jelinek <jakub@redhat.com>
2143 * objc/objc-act.c: Include ggc.h.
2144 (objc_tree_index, objc_global_trees): Convert most of the
2145 static tree variables into a static array with previous names
2147 (objc_ellipsis_node): New variable.
2148 (lang_init): Call objc_act_parse_init and c_parse_init.
2149 Create objc_ellipsis_node.
2150 (build_selector_translation_table): Use objc_ellipsis_node instead
2152 (hack_method_prototype): Likewise.
2153 (get_arg_type_list): Likewise.
2154 (start_method_def): Likewise.
2155 (continue_method_def): Likewise.
2156 (gen_method_decl): Likewise.
2157 (ggc_mark_imp_list): New function.
2158 (ggc_mark_hash_table): New function.
2159 (objc_act_parse_init): New function.
2160 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
2161 * c-parse.in (c_parse_init): For objc add roots of objc specific
2162 local tree variables.
2163 * objc/objc-parse.y: Rebuilt.
2164 * objc/objc-parse.c: Rebuilt.
2165 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
2167 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
2169 * cse.c (delete_trivially_dead_insns): Also delete insns
2170 that copy a register to itself where the destination is
2173 2000-04-11 Richard Henderson <rth@cygnus.com>
2175 * flow.c (struct propagate_block_info): Add new_dead, new_live.
2176 (propagate_block): Initialize them. Use them in parallel instead
2177 of one tmp variable, ie revert much of the 0408 and 0407 functional
2178 changes, but keep the structural changes.
2179 (mark_set_regs): Take new_dead from propagate_block_info instead.
2180 (mark_set_1, mark_set_reg): Likewise.
2181 (mark_used_regs): Likewise with new_live.
2182 (mark_used_reg): Likewise. Revert 0408 change.
2184 2000-04-11 Nick Clifton <nickc@cygnus.com>
2186 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
2188 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
2190 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2192 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
2193 const section to output a CONSTRUCTOR based on the same conditions
2196 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
2198 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
2199 * pa/pa-protos.h (output_call): Add additional argument indicating
2200 if the call is a sibling/tail call.
2201 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
2202 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
2203 (function_arg, function_arg_partial_nregs): Likewise
2204 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
2205 (emit_move_sequence): Zero extend certain constants as needed
2207 (compute_zdepdi_operands, output_64bit_and): New functions.
2208 (output_64bit_ior, function_arg): Likewise.
2209 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
2210 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
2211 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
2212 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
2213 (output_bvb): Likewise.
2214 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
2215 (output_call): New argument 'sibcall'. Generate sibcall sequences
2217 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
2218 (ouput_arg_descriptor): Do not emit argument descriptors for
2220 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
2222 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
2223 (FUNCTION_OK_FOR_SIBALL): Define.
2224 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
2225 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
2226 (CPP_SPEC): Use new spec infrastructure.
2227 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
2228 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
2229 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
2230 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
2231 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
2232 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
2233 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
2234 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
2235 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
2236 (FUNCTION_ARG); Call out to C code.
2237 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
2238 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
2239 (MIN_UNITS_PER_WORD): Likewise.
2240 * pa/pa.md (cmpdi): New expander.
2241 (scc patterns, movstrsi): Not available for TARGET_64BIT.
2242 (64bit conditional arithmetic): New patterns.
2243 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
2244 (movsicc): Not available if modes on all the operands to not match.
2245 (movdicc): New expander and associated patterns.
2246 (64bit branches): New patterns.
2247 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
2248 (pre_ldd, post_std): New patterns.
2249 (64bit addil, load low part): New patterns.
2250 (special movsf constant): Not available for TARGET_64BIT.
2251 (movsf, movdf expanders): Force constants into memory.
2252 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
2253 (64bit movdf/movdi patterns): New patterns.
2254 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
2256 (extendqidi2, extendhidi2, extendsidi2): Similarly.
2257 (adddi3 expander): Allow "arith_operand" for second input.
2258 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
2259 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
2260 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
2261 (muldi3): New expander for TARGET_64BIT.
2262 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
2264 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
2265 patterns for TARGET_64BIT.
2266 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
2267 patterns for TARGET_64BIT.
2268 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
2269 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
2270 (sibcall_epilogue): New expander.
2271 (casesi): Tweak for TARGET_64BIT.
2272 (call expanders): Set & use the outgoing argument pointer. Use the
2273 64bit call patterns as needed. Add additional arg to output_call.
2274 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
2275 (sibcall, sibcall_internal_symref): New expanders.
2276 (sibcall_value, sibcall_value_internal_symref
2277 (interspace_jump): Turn into an expander + matching patterns.
2278 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
2279 * pa/pa64-regs.h: Eliminate trigraph sequences.
2280 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
2282 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
2284 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
2285 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
2286 cpp_token with cpp_ttype everywhere.
2287 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
2288 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
2289 CPP_BUF_COL. Line and column numbers are unsigned int, not
2291 * cpplex.c (cpp_buf_line_and_col): Delete.
2292 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
2293 'long lineno' to 'unsigned int lineno'.
2294 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
2296 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2298 * extend.texi: ISO C99 is not a draft anymore.
2299 * invoke.texi: ISO C++ is not a draft anymore.
2300 * cpp.texi: __cplusplus is required by the ISO standard.
2302 * extend.texi (-fthis-is-variable): Undocument.
2303 * flags.h (warn_template_debugging): Remove declaration.
2304 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
2305 -Wenum-clash, -Wtemplate-debugging): Undocument.
2307 2000-04-10 Nick Clifton <nickc@cygnus.com>
2309 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
2311 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
2313 (ARM_SIGN_EXTEND): Use HOST_UINT.
2314 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
2315 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
2316 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
2317 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
2319 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
2320 (arm_gen_constant): Use HOST_UINT.
2321 (arm_canonicalize_constant): Use HOST_UINT.
2322 (arm_reload_in_hi): Use HOST_UINT.
2323 (arm_reload_out_hi): Use HOST_UINT.
2324 (output_multi_immediate): Use HOST_UINT.
2325 (int_log2): Use HOST_UINT.
2326 (arm_poke_function_name): Use HOST_UINT.
2327 (arm_output_epilogue): Use arm_volatile_func().
2328 (output_thumb_prologue): Use arm_strip_name_encoding().
2330 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2332 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
2333 of sequence point problems.
2335 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
2337 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
2339 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
2341 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2343 * sbitmap.h: Whitespace changes and use upper-case macro args.
2344 (struct simple_bitmap_def): All sizes now unsigned.
2345 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
2346 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
2347 (sbitmap_vector_alloc): Parms and local vars now unsigned.
2348 (sbitmap_zero): Cast bzero arg to PTR.
2349 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
2350 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
2351 loop to make structure clearer.
2352 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
2353 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
2354 (sbitmap_a_and_b_or_c): Likewise.
2355 (sbitmap_intersection_of_succs): Minor cleanups.
2356 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
2357 (sbitmap_union_of_preds): Likewise.
2358 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
2359 (debug_sbitmap): New function.
2361 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
2362 * c-typeck.c (convert_for_assignment): Likewise.
2364 * expmed.c (init_expmed): Don't free objects we make.
2365 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
2367 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
2368 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
2370 * gcse.c (expr_hash_table_size): Now unsigned.
2371 (compute_ae_gen): Local variable `i' now unsigned.
2372 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
2373 (compute_transout, hoist_code): Likewise.
2374 (compute_local_properties): Likewise, also hash_table_size.
2375 (alloc_expr_hash_table): N_INSNS now unsigned.
2376 (delete_null_pointer_checks): Mark arg F as unused.
2378 * regrename.c: Minor cleanups, including chang some variables
2381 2000-04-10 Neil Booth <NeilB@earthling.net>
2383 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
2385 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
2387 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2389 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
2390 __classof__, and __headof__ from the list of gnu keywords.
2391 (-ansi): Remove -foperator-names from list of implied options.
2392 Do not call it ANSI C++.
2393 (-foperator-names): Document as -fno-operator-names.
2395 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
2397 * cpphash.c (timestamp): Delete.
2398 (del_HASHNODE): If type is T_MCONST, free value.cpval.
2399 (special_symbol): Remove unnecessary braces. Remove
2400 T_VERSION. Treat T_STDC like T_CONST unless
2401 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
2402 when one is encountered, then convert them into T_MCONST
2404 * cppinit.c (builtin_array): version_string is T_MCONST.
2405 __STDC__ has a "1" in its cpval. Don't have a terminator
2406 entry. Clean up which entries are dumped.
2407 (initialize_builtins): Only __STDC__ gets the special
2408 -traditional treatment. Count the length of builtin_array.
2409 Render version_string here.
2410 * cpphash.h: Remove T_VERSION. Add T_MCONST.
2411 * cpplib.h (struct cpp_reader): Remove timebuf.
2413 2000-04-09 Richard Henderson <rth@cygnus.com>
2415 * genrecog.c (pred): Update comparison_operator for the unordered
2418 * config/i386/i386.c (no_comparison_operator): Disallow unordered
2420 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
2421 (uno_comparison_operator): New.
2422 (put_condition_code): Handle UNORDERED/ORDERED.
2423 (unsigned_comparison): Likewise.
2424 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
2425 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
2426 (ix86_expand_fp_compare): Use them. Take scratch as argument,
2427 update all callers. Handle all 8 unordered operators.
2428 (ix86_expand_setcc): Lose the unordered argument, update all callers.
2429 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
2430 * config/i386/i386.h (PREDICATE_CODES): Update.
2431 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
2432 (ix86_expand_branch, ix86_expand_setcc): Update.
2433 * config/i386/i386.md (sunordered, sordered): New.
2434 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
2435 (bunordered, bordered): New.
2436 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
2437 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
2438 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
2440 2000-04-09 Philip Blundell <philb@gnu.org>
2442 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
2444 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
2446 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
2447 fix_truncxfhi2): New patterns.
2448 * i386.c (output_fix_trunc): Handle converting to HImode.
2450 2000-04-08 Alex Samuel <samuel@codesourcery.com>
2452 * ssa.c (convert_to_ssa): Eliminate dead code when calling
2454 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
2455 (for_each_successor_phi): Change parameter to basic_block.
2456 (coalesce_regs_in_successor_phi_nodes): Likewise.
2457 (coalesce_regs_in_copies): Likewise.
2458 (compute_coalesced_reg_partition): Use basic_block instead of index.
2459 * rtl.h (convert_to_ssa): Delete.
2460 (convert_from_ssa): Likewise.
2461 (successor_phi_fn): Likewise.
2462 (for_each_successor_phi): Likewise.
2463 (in_ssa_form): Likewise.
2464 * basic-block.h (convert_to_ssa): Moved from rtl.h.
2465 (convert_from_ssa): Likewise.
2466 (successor_phi_fn): Likewise.
2467 (in_ssa_form): Likewise.
2468 (for_each_successor_phi): Likewise. Change parameter to basic_block.
2469 * flow.c (calculate_global_regs_live): Pass a basic_block to
2470 for_each_successor_phi.
2472 2000-04-08 Richard Henderson <rth@cygnus.com>
2474 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
2475 was modified in the current insn.
2477 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2479 * arm/thumb.md: Delete.
2480 * arm/thumb-protos.h: Delete.
2482 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2484 Merge changes from merged-arm-thumb-backend-branch onto trunk.
2486 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2488 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
2491 * arm.md (nop): Use the standard RTL expression. Don't code as a
2493 (*arm_nop, *thumb_nop): Delete.
2495 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
2496 constants. Use casts instead.
2497 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
2498 output_multi_immediate, arm_poke_function_name): Likewise.
2499 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
2500 MASK_RETURN_ADDDR): Likewise.
2502 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
2504 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
2507 * arm.md (eh_epilogue): New function.
2508 * arm.h (struct machine_function): Move to here ...
2509 * arm.c: ... from here.
2510 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
2511 (thumb_exit): Extra parameter eh_ofs. All callers changed.
2512 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
2514 2000-03-30 Nick Clifton <nickc@cygnus.com>
2516 * config/arm/semi.h (ASM_SPEC): Restore definition.
2517 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2519 * config/arm/elf.h (ASM_SPEC): Restore definition.
2520 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2522 * config/arm/arm.h (ASM_SPEC): Remove definition.
2523 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
2525 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
2527 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
2529 2000-03-24 Nick Clifton <nickc@cygnus.com>
2531 Various formating tidyups, elimination of compile time
2532 warnings and synchronisation with internal sources:
2534 * config/arm/arm-protos.h (assemble_align): Add prototype.
2535 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2536 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2537 (arm_return_addr_rtx): Rename to arm_return_addr.
2539 * config/arm/arm.c: Include except.h.
2540 Define shorter typenames for strict minipool_node and struct
2542 (arm_return_in_memory): For WinCE return all structures <= 32 bits
2544 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2545 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2547 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
2549 (ASM_SPEC): Define if not already defined.
2550 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
2552 * config/arm/arm.md: Rename references to gen_rotated_half_load to
2553 arm_gen_rotated_half_load, and references to gen_comapre_reg to
2554 arm_gen_compare_reg.
2555 (indirect_jump): Only accept register operands.
2556 (load_indirect_jump): Keep this pattern since combine can generate
2559 * config/arm/coff.h: Include aout.h.
2560 (MULTILIB_DEFAULTS): Only define if not already defined.
2562 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
2563 into arm.h (so that COFF ports can support thumb based aliases).
2564 (ASM_SPEC): Move definition into arm.h
2566 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
2567 redundant apcs spec.
2568 (ASM_SPEC): Move definition to arm.h
2570 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
2572 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
2573 for entries in the .bss section
2575 2000-03-23 Nick Clifton <nickc@cygnus.com>
2577 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
2578 to thumb_far_jump_used_p.
2580 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
2581 single integer parameter.
2583 * config/arm/arm.c (struct machine_function): Add two new
2584 fields, 'far_jump_used' and 'arg_pointer_live'.
2585 (thumb_far_jump_used_p): Once the decision has been made that
2586 far jumps might be used, always return true.
2587 If being called from the initial elimination offset macro then
2588 do not bother to perform the test if the arg pointer is not
2590 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
2591 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
2593 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
2595 * arm.c (output_return_instruction): Handle more cases where we can
2596 return from a function with an ldr instruction.
2597 (arm_output_epilogue): Likewise.
2599 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
2600 if we need to push a large stack frame and there are no callee-saved
2603 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
2604 in ARM code if the frame pointer has been eliminated.
2606 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
2607 unspec_volatile arguments to avoid duplicates.
2608 (consttable_1, consttable_2): Fixes for big-endian mode.
2610 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
2613 Re-write constant pool code.
2614 * arm.c (minipool_node, minipool_fix): New types.
2615 (minifix): Delete type.
2616 (arm_add_minipool_constant): Delete.
2617 (arm_compute_minipool_offsets, arm_find_barrier,
2618 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
2619 (get_jump_table_size): Now returns HOST_WIDE_INT.
2620 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
2622 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
2623 (assign_minipool_offsets, arm_print_value): Likewise.
2624 (dump_minipool): Rewrite.
2625 (arm_barrier_cost): New function.
2626 (create_fix_barrier): New function.
2627 (push_minipool_barrier): New function.
2628 (push_minipool_fix): Record additional information about the fixup
2630 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
2631 check the mode of what needs fixing.
2632 (arm_reorg): Rewrite.
2634 2000-03-08 Nick Clifton <nickc@cygnus.com>
2636 * config/arm/arm.md (indirect_jump): Force constant addresses into
2639 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
2641 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
2643 2000-02-24 Nick Clifton <nickc@cygnus.com>
2645 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
2646 adjust is word aligned.
2647 (thumb_expand_epilogue): Make sure that stack adjust is word
2650 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
2652 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
2654 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
2655 pointer relative addresses.
2657 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
2659 * arm.c (find_barrier): Find the last barrier within the allowed
2662 2000-02-09 Nick Clifton <nickc@cygnus.com>
2664 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
2666 2000-02-09 Nick Clifton <nickc@cygnus.com>
2668 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
2669 ARM_FUNCTION_PROFILER.
2671 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
2672 ARM_FUNCTION_PROFILER.
2674 * config/arm/linux-oldld.h: Imported from mainline sources.
2676 2000-02-07 Nick Clifton <nickc@cygnus.com>
2678 * config/arm/lib1funcs.asm: Merge in thumb functions from
2681 * config/arm/lib1thumb.asm: Delete.
2683 2000-02-04 Nick Clifton <nickc@cygnus.com>
2685 * config/arm/arm.c: Sychronised with current Red hat local
2687 * config/arm/arm.h: Ditto.
2688 * config/arm/arm-protos.h: Ditto.
2690 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
2692 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
2694 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
2697 2000-02-02 Nick Clifton <nickc@cygnus.com>
2699 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
2701 * config/arm/arm.md (epilogue): Fix rtl checking abort because
2702 (return) was emited using an emit_insn() call.
2704 2000-01-31 Nick Clifton <nickc@cygnus.com>
2706 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
2708 (thumb_exit): Move frame pointer back into hard frame pointer
2709 register if backtracing is being used.
2711 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
2713 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
2716 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
2718 * config/arm/arm.md (neg_pool_offset): Provide default for new
2720 (arm_movsi_insn): Add neg_pool_offset attribute.
2721 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
2722 rtx for the insn that starts the scan and an unsigned long for its
2723 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
2724 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
2725 instructions in *PINSERTED.
2726 (struct minipool_fixup): Add MIN_ADDRESS elt.
2727 (sort_fixups): Compute it.
2728 (arm_reorg): Changes to support inserting pools before the insn to be
2731 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
2733 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
2734 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
2735 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
2737 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
2739 * config/arm/semi.h (TARGET_VERSION): Do not define if already
2741 (TARGET_DEFAULT): Do not define if already defined.
2743 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
2745 * config/arm/arm.md (anddi3): Allow disjoint source operands.
2746 (iordi3): Allow disjoint source operands.
2747 (xordi3): Allow disjoint source operands.
2748 (negdi2): Permit construction for ARM and Thumb.
2749 (arm_negdi2): Renamed version of old negdi2 pattern.
2750 (thumb_negdi2): New pattern: Only permit non-overlapping
2751 source and destination.
2753 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
2755 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
2756 scratch low register so that it will not be deleted.
2758 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
2760 * config/arm/pe.h (ARM_PE): Define.
2762 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
2763 interfacearm attribute if this is a PE toolchain.
2764 (output_return_instruction): Do not emit anything if the function
2765 has the naked attribute set.
2766 (is_called_in_ARM_mode): If the function has the interfacearm
2767 attribute then return true.
2768 (thumb_expand_prologue): Do not generate a prologue for naked
2770 (thumb_expand_epilogue): Do not generate an epilogie for a naked
2772 (output_thumb_prologue): Do not bother if the function is naked.
2773 Strip PE encoding from function name before emitting.
2775 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
2777 * arm.md (pic_load_addr): Fix constraints.
2779 * arm.md (casesi_insn): Fix mis-applied patch.
2781 * arm.md ("core" function unit): Add rules for single- and
2783 (All TARGET_THUMB patterns): Add "type" attribute information
2785 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
2786 the following insn is a CALL.
2788 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
2790 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
2791 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
2792 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
2794 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
2796 * config/arm/linux-gas.h: oops - this file was missed out when the
2797 branch was created...
2799 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
2801 * thumb.c: Deleted. Move contents to ...
2803 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
2805 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
2808 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
2809 declare a prototype for asm_output_align();
2811 * arm.c (thumb_condition_code): Delete.
2812 (arm_print_operand): Always use arm_condition_code array.
2814 * arm.c (thumb_return_addr_rtx): Delete.
2815 (arm_save_machine_status, arm_restore_machine_status): Delete.
2816 (arm_init_machine_status, arm_mark_machine_status): New functions.
2817 (arm_init_expanders): Update accordingly.
2818 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
2819 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
2820 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
2822 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
2824 * configure.in : Fix arm-*-aout target to use new t-arm-aout
2826 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
2829 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
2831 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
2832 stack backtrace structure.
2834 * config/arm/arm-protos.h: Add prototypes for functions defined in
2837 * config/arm/arm.c (arm_override_options): Fix selection of
2838 attributes of default processor.
2840 * config/arm/coff.h: Delete needless #include.
2842 * config/arm/pe.c: Delete unused code.
2844 * config/arm/pe.h (CPP_DEFINES): Delete
2845 (SUBTARGET_CPP_SPEC): Define.
2846 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
2848 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
2850 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
2852 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
2854 (CAN_DEBUG_WITHOUT_FP): Define.
2855 (FIXED_REGISTERS): Make r11 call-saved.
2856 (CALL_USED_REGISTERS): Likewise.
2857 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
2858 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
2859 frame-pointer is required.
2860 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
2861 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
2862 if the target normally needs a stack frame in non-leaf functions.
2863 (use_return_insn): Correct logic for determining when a return
2864 instruction can be used.
2865 (output_return_instruction): Handle the frame-pointer register as
2866 a normal register when not TARGET_APCS_FRAME.
2867 (arm_output_prologue): Likewise.
2868 (arm_output_epilogue): Likewise.
2869 (output_func_epilogue): Likewise.
2870 (arm_expand_prologue): Likewise.
2871 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
2873 * arm.c (use_return_insn): No need to check floating point regs if
2875 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
2876 the code of value stored in the minipool array.
2877 (arm_add_minipool_constant): Likewise.
2879 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2881 * basic-block.h (conflict_graph_enum_fn): K&R fix.
2883 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2885 * tree.c (tree_expr_nonnegative_p): New function.
2887 * tree.h (tree_expr_nonnegative_p): Declare.
2889 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
2890 elide some sign_compare warnings.
2891 (build_conditional_expr): Likewise.
2893 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
2895 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
2897 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
2898 * i386.c (print_operand): Use the proper suffix for a 387 HImode
2899 operand. Abort if a 387 operand has an unsupported size.
2901 2000-04-08 Neil Booth <NeilB@earthling.net>
2903 * cppexp.c (parse_charconst): Null does not end character
2905 * cppinit.c (ISTABLE): Null character handled as whitespace.
2906 * cpplex.c (null_warning): new function.
2907 (skip_string): Emit warning if nulls encountered.
2908 (_cpp_skip_hspace): Emit warning if nulls encountered.
2909 (_cpp_lex_token): Emit warning if nulls encountered. Drop
2913 2000-04-07 Richard Henderson <rth@cygnus.com>
2915 * flow.c (loop_depth): Remove.
2916 (reg_next_use, cc0_live, mem_set_list): Replace with ...
2917 (struct propagate_block_info): New.
2918 (life_analysis): Don't allocate reg_next_use.
2919 (propagate_block_delete_insn): Break out of propagate_block.
2920 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
2921 (propagate_block_delete_libcall): Likewise.
2922 (propagate_block): Create a propagate_block_info struct to pass
2923 to subroutines. Allocate one not two temporary regsets. Don't
2924 clobber memory for const calls. Look for clobbers in
2925 CALL_INSN_FUNCTION_USAGE.
2926 (mark_set_regs): Recognize COND_EXEC.
2927 (mark_set_reg): Break out of mark_set_1.
2928 (mark_used_reg): Break out of mark_used_regs.
2929 (mark_used_regs): Recognize COND_EXEC.
2930 (insn_dead_p): Use propagate_block_info struct.
2931 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
2932 (find_auto_inc, try_pre_increment_1): Likewise.
2933 (print_rtl_with_bb): Dump regs live at end too.
2934 (count_reg_sets_1): Pass in loop_depth.
2935 (count_reg_sets, count_reg_references): Likewise.
2936 (recompute_reg_usage): Provide it.
2938 2000-04-07 Richard Henderson <rth@cygnus.com>
2940 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
2943 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
2945 * cpplib.c (do_elif): Skip the rest of the line if we're
2946 not going to bother evaluating it.
2947 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
2948 to avoid pointless calls to the lexer.
2950 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
2952 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
2954 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
2956 * calls.c (expand_call): emit_queue if we're trying a sibcall.
2958 2000-04-07 Jakub Jelinek <jakub@redhat.com>
2960 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
2962 2000-04-06 Geoff Keating <geoffk@cygnus.com>
2964 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
2965 crtend so they can be multilibbed.
2966 (STAGESTUFF): Remove s-crt and s-crtS.
2968 2000-04-07 Richard Henderson <rth@cygnus.com>
2970 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
2971 if we discover we need a pseudo and no_new_pseudos is true.
2972 * config/alpha/alpha.md (ne:DI insn): New.
2973 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
2975 2000-04-07 Richard Henderson <rth@cygnus.com>
2977 * rtl.def (COND_EXEC): New.
2978 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
2979 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
2981 * genconfig.c (have_cond_arith_flag): Remove.
2982 (have_cond_exec_flag): New.
2983 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
2984 (main): Print HAVE_conditional_execution.
2986 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
2987 (sched_analyze_insn, print_pattern): Likewise.
2988 * reload.c (find_equiv_reg): Likewise.
2989 * rtlanal.c (reg_referenced_p): Likewise.
2990 (note_stores, dead_or_set_regno_p): Likewise.
2991 (reg_overlap_mentioned_p): Rewrite to use a switch.
2993 * ggc.h (struct rtx_def): Forward declare.
2995 * print-rtl.c (debug_rtx_range): New.
2996 * rtl.h (debug_rtx_range): Declare.
2998 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
3000 * gcse.c (gcse_main): Don't rebuild the CFG here.
3001 (delete_null_pointer_checks): Likewise.
3002 * ssa.c (convert_to_ssa): Likewise.
3003 * toplev.c (rest_of_compilation): Do it here instead. Combine
3004 sequential calls to TIMEVAR. Consistently use `insns' instead of
3005 `get_insns()'. Always split insns after reload when optimizing.
3007 * basic-block.h (merge_blocks_nomove): Declare.
3008 (tidy_fallthru_edge): Declare.
3009 * flow.c (merge_blocks_nomove): Document as merging into previous
3010 blocks. Remove cruft from between blocks; remove all edges out of A.
3011 (tidy_fallthru_edge): Export.
3013 2000-04-06 Alex Samuel <samuel@codesourcery.com>
3015 * ssa.c (compute_conservative_reg_partition): Declare with
3017 * toplev.c (clean_dump_file): Remove previously-deleted function
3018 inadvertantly merged back in.
3019 * conflict.c (conflict_graph_add): Use a single call to
3020 htab_find_slot to look up and insert.
3022 2000-04-06 Richard Henderson <rth@cygnus.com>
3024 * genrecog.c (*): Rename _last_insn to last_insn.
3025 (make_insn_sequence): Set the position of the peephole2 C test
3026 to be at the last insn.
3028 2000-04-06 Richard Henderson <rth@cygnus.com>
3030 * flow.c (compute_flow_dominators): Free worklist.
3032 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
3034 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
3036 2000-04-06 Alex Samuel <samuel@codesourcery.com>
3038 * rtl.h (INSN_P): New macro.
3039 (successor_phi_fn): New typedef.
3040 (for_each_successor_phi): New prototype.
3041 (in_ssa_form): New variable.
3042 (PHI_NODE_P): Likewise.
3043 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
3044 phi nodes in successors.
3045 (mark_used_regs): Add PHI case.
3046 (set_phi_alternative_reg): New function.
3047 (life_analysis): Assert that dead code elimination is not selected
3049 * toplev.c (to_ssa_time): New variable.
3050 (from_ssa_time): Likewise.
3051 (compile_file): Zero to_ssa_time and from_ssa_time.
3052 Print time to convert to and from SSA.
3053 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
3054 (print_time): Compute percent fraction as integer.
3055 * ssa.c (PHI_NODE_P): Moved to rtl.h.
3056 (convert_to_ssa): Check if we're already in SSA.
3057 Don't eliminate dead code in life_analysis.
3058 Rerun flow and life analysis at bottom.
3059 (eliminate_phi): Use canonical regnos when adding nodes.
3060 (mark_reg_in_phi): New function.
3061 (mark_phi_and_copy_regs): Likewise.
3062 (convert_from_ssa): Rerun life analysis at top.
3063 Use coalesced partition.
3064 Check for removing a phi node at the end of the block.
3065 (compute_coalesced_reg_partition): New function.
3066 (coalesce_regs_in_copies): Likewise.
3067 (coalesce_reg_in_phi): Likewise.
3068 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
3069 (for_each_successor_phi): Likewise.
3070 (rename_context): New struct.
3071 (rename_block): Use a rename_context with rename_insn_1. When
3072 renaming sets of a subreg, emit a copy of the entire reg first.
3073 (rename_insn_1): Treat data as a rename_context *. Save current
3075 (rename_set_data): Add field set_insn.
3076 * Makefile.in (HASHTAB_H): Move up in file.
3077 (OBSTACK_H): New macro.
3078 (collect2.o): Use OBSTACK_H in dependencies.
3079 (sdbout.o): Likewise.
3080 (emit-rtl.o): Likewise.
3081 (simplify-rtx.o): Likewise.
3082 (fix-header.o): Likewise.
3083 (OBJS): Add conflict.o.
3084 (conflict.o): New rule.
3085 * basic-block.h: Include partition.h.
3086 (conflict_graph): New typedef.
3087 (conflict_graph_enum_fn): Likewise.
3088 (conflict_graph_new): New prototype.
3089 (conflict_graph_delete): Likewise.
3090 (conflict_graph_add): Likewise.
3091 (conflict_graph_conflict_p): Likewise.
3092 (conflict_graph_enum): Likewise.
3093 (conflict_graph_merge_regs): Likewise.
3094 (conflict_graph_print): Likewise.
3095 (conflict_graph_compute): Likewise.
3096 * conflict.c: New file.
3098 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
3100 * tlink.c (read_repo_files): Don't look for .rpo info for
3103 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3105 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
3107 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3109 * config/sh/lib1funcs.asm (___udivsi3_i4):
3110 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
3111 only depends on FMOVD_WORKS.
3113 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3115 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
3116 make double constant 8-byte aligned.
3118 2000-04-06 Jakub Jelinek <jakub@redhat.com>
3120 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
3121 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
3122 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
3123 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
3124 Accept storing GENERAL_REGS into offsetable memory.
3125 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
3126 building a TFmode constant other than 0.0L into GENERAL_REGS.
3128 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
3130 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
3132 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
3134 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
3135 (macro_cleanup): No need to cast pbuf->macro.
3136 (collect_expansion): Use _cpp_get_define_token. Goto done if
3137 it returns VSPACE. Remove check for trailing space after
3139 (_cpp_create_definition): Don't diddle flags here. Return
3141 (unsafe_chars): Handle c1 being EOF.
3142 (push_macro_expansion): Use unsafe_chars for both accidental-paste
3143 checks. Don't push the buffer till after we're done with
3145 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
3146 (PEEKN, FORWARD, GETC, PEEKC): Use them.
3147 (cpp_push_buffer): Don't set new->alimit. Set new->mark
3149 (_cpp_parse_assertion): Don't NUL terminate.
3150 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
3151 hspace before calling _cpp_parse_assertion. Remove all sets
3152 of only_seen_white. Treat '\f' as hspace. Don't do anything
3153 special with '\n' here.
3154 (maybe_macroexpand): Handle T_EMPTY hash entries without
3155 pushing a buffer at all.
3156 (cpp_get_token): Handle clearing only_seen_white here. Handle
3157 incrementing the line number here. Clear
3158 potential_control_macro as well as only_seen_white, if
3160 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
3161 (_cpp_get_define_token): New function, basically like
3162 _cpp_get_directive_token was but doesn't eat horizontal space.
3163 Don't do anything with only_seen_white here.
3164 (_cpp_get_directive_token): Just call _cpp_get_define_token
3165 repeatedly till it returns non-hspace.
3167 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
3168 (conditional_skip, skip_if_group): Return int.
3169 (DIRECTIVE_TABLE): Change origin of all conditional directives
3171 (TRAD_DIRECT_P): New macro.
3172 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
3173 an error for a bogus directive, unless -lang-asm. Use
3174 TRAD_DIRECT_P. Loop calling handler functions till one returns
3176 (get_macro_name): Don't diddle flags here.
3177 (do_define): Diddle flags here. Use _cpp_get_directive_token.
3178 Create T_EMPTY nodes for #define macro /* nothing */.
3179 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
3180 Use hp->name when calling pass_thru_directive.
3181 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
3182 Return the result of conditional_skip and/or skip_if_group.
3183 Don't call _cpp_output_line_command.
3184 (consider_directive_while_skipping): Use _cpp_get_directive_token.
3185 Issue -Wtraditional warnings as appropriate. Don't complain
3186 about unrecognized directives. If we are to stop skipping,
3187 return the number of the directive that ended the skip.
3188 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
3189 expansion and line commands while skipping. Return the result
3190 of consider_directive_while_skipping, if nonzero.
3191 (do_endif): Just set potential_control_macro here.
3192 (validate_else): Use _cpp_get_directive_token.
3193 (do_assert, do_unassert): Don't save pointers into the
3194 token_buffer across calls to the lexer. Use
3195 _cpp_get_directive_token.
3197 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
3198 pointer, not an offset. Replace 'data', which was a generic
3199 pointer, with 'macro', which points to a struct hashnode.
3200 (cpp_reader): Add 'potential_control_macro' pointer.
3201 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
3202 (CPP_BUF_GET, CPP_FORWARD): Delete.
3203 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
3204 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
3205 ACTIVE_MARK_P): Update.
3206 (_cpp_get_define_token): New internal function.
3207 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
3209 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
3211 * configure.in: And here.
3212 * configure: Regenerate.
3213 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
3214 --enable-libstdcxx-v3 is passed at configure time.
3215 * config.h.in: Regenerate.
3217 2000-04-05 Mark Mitchell <mark@codesourcery.com>
3219 * final.c (final): Use xcalloc to allocate line_note_exists.
3220 * function.c (free_after_compilation): Free the temp_slots.
3221 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
3222 (combine_temp_slot): Free temp_slots when they get combined.
3223 (purge_addressof): Fix typo in comment.
3224 * stmt.c (mark_goto_fixup): Mark the fixup itself.
3225 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
3227 * ggc.h: Include varray.h.
3228 (ggc_pending_trees): Declare.
3229 (ggc_mark_tree_children): Remove declaration.
3230 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
3231 * ggc-common.c (ggc_pending_trees): New variable.
3232 (ggc_mark_roots): Call ggc_mark_trees.
3233 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
3234 the ggc_pending_trees.
3235 * Makefile.in (GGC_H): New variable. Use it throughout in place
3238 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3240 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
3243 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3245 * sh.c (sh_insn_length_adjustment): New function.
3246 * sh-protos.h (sh_insn_length_adjustment): Declare.
3247 * sh.h (ADJUST_INSN_LENGTH): Use it.
3249 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
3251 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
3252 from the insn where REG_RETVAL is added.
3253 (emit_no_conflict_block): Ditto.
3255 * md.texi (Standard Names): Clarify when movX is needed.
3257 * combine.c (simplify_comparison) [MINUS]: Do not replace
3258 all (op (minus A B) 0) with (op A B).
3260 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
3261 J"orn Rennecke <amylaar@cygnus.co.uk>
3263 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
3264 (block_lump_real): Likewise.
3266 2000-04-05 Chris Demetriou <cgd@netbsd.org>
3268 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
3269 remaining non-zero debugging masks.
3271 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
3273 * basic-block.h (verify_flow_info): Declare.
3274 (flow_loop_outside_edge_p): Declare.
3275 * flow.c (verify_flow_info): Remove declaration.
3276 (clear_log_links, flow_loop_outside_edge_p): Likewise.
3278 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
3280 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
3283 2000-04-05 Jakub Jelinek <jakub@redhat.com>
3285 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
3286 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
3287 seqdi_zero_trunc+1): Allow splits only if registers are
3290 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
3292 * acconfig.h: Add HAVE_GAS_HIDDEN.
3293 * config.in: Regenerated.
3294 * configure.in: Add test for .hidden pseudo-op in gas.
3295 * configure: Regenerated.
3296 * crtstuff.c: Include auto-host.h.
3297 Emit additional .hidden pseudo-op for __dso_handle if the
3298 assembler knows about it.
3300 2000-04-04 Philippe De Muyter <phdm@macqel.be>
3302 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
3303 before freeing argnames.
3304 * cpplib.c (do_ifndef): Cast return value of xstrdup.
3306 2000-04-05 Michael Meissner <meissner@redhat.com>
3308 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
3309 Walton <jonboy@gordian.com> to make memory references with update
3310 work wtih -mregnames.
3312 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3314 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
3315 (regrename_optimize): Rename variables `def_uses' and
3316 `ext_basic_blocks' to avoid conflicts with similarly named
3317 typedefs in traditional C.
3319 * calls.c (initialize_argument_information): Fix typo in previous
3322 2000-04-04 Richard Henderson <rth@cygnus.com>
3324 * regrename.c (consider_available): Test fixed_regs not
3325 PIC_OFFSET_TABLE_REGNUM.
3327 2000-04-04 Geoff Keating <geoffk@cygnus.com>
3329 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
3331 (CRTSTUFF_T_CFLAGS_S): Delete definition.
3332 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
3333 (ENDFILE_LINUX_SPEC): Always use crtend.
3334 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
3335 (powerpc-*-linux-gnu): Likewise.
3336 * configure: Regenerate.
3338 * config/rs6000/eabi.h: Don't include sysv4.h.
3339 (MULTILIB_DEFAULTS): Don't define.
3340 * config/rs6000/eabiaix.h: Don't include eabi.h.
3341 * config/rs6000/eabile.h: Delete.
3342 * config/rs6000/eabilesim.h: Delete.
3343 * config/rs6000/eabisim.h: Don't include eabi.h.
3344 * config/rs6000/linux.h: Don't include sysv4.h.
3345 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
3346 (MULTILIB_DEFAULTS): Don't redefine.
3347 * config/rs6000/rtems.h: Don't include eabi.h.
3348 * config/rs6000/sol2.h: Don't include sysv4le.h.
3349 * config/rs6000/sysv4le.h: Don't include sysv4.h.
3350 * config/rs6000/t-ppc: Delete.
3351 * config/rs6000/t-ppcgas: Correct comment.
3352 * config/rs6000/t-ppcos: Correct comment. Don't build
3353 multilibs for -fPIC, rather use -fPIC -mstrict-align
3355 * config/rs6000/t-ppc: Delete.
3356 * config/rs6000/vxppc.h: Don't include sysv4.h.
3357 * config/rs6000/vxppcle.h: Delete.
3358 * configure.in: Use multiple header files for p2pc ELF targets
3359 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
3360 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
3361 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
3362 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
3363 always available for these platforms.
3365 2000-04-04 Richard Henderson <rth@cygnus.com>
3367 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
3369 2000-04-04 Stan Cox <scox@cygnus.com>
3371 * Makefile.in: Add rules for regrename.o
3372 * regrename.c: New file.
3373 * rtl.h (regrename_optimize): Add prototype.
3374 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
3375 (compile_file, decode_d_option): Add support for -frename-registers.
3376 (rest_of_compilation): Call regrename_optimize.
3377 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
3380 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3382 * Makefile (gccbug): New target.
3383 (doc): Depend on it.
3384 * gcc.texi (Bugs): Link subnodes.
3386 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
3387 Document severities, priorities, and classes in bug form.
3389 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
3391 * cpplex.c (trigraph_map, speccase): Combine into single
3393 (NORMAL, NONTRI): New macros.
3394 (_cpp_read_and_prescan): Change to use unified table. Use
3395 is_hspace to test for whitespace.
3397 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
3398 definition that doesn't provoke the "empty body in an
3399 if-statement" warning.
3401 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
3403 * builtins.c (expand_builtin_strlen): Force the source to
3404 be a memory address.
3406 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3408 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
3410 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
3412 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
3413 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
3414 (ECF_IS_CONST): Rename to ECF_CONST.
3415 (special_function_p): Make static, change interface.
3416 (flags_from_decl_or_type, try_to_integrate): Break out from ...
3417 (expand_call) ... here; convert number of variables to flags.
3418 (emit_library_call_vlue_1): Likewise.
3419 (setjmp_call_p): New function.
3420 (initialize_argument_information): Accepts flags as argument;
3422 (precompute_arguments): Likewise.
3423 * tree.h (special_function_p): Remove.
3424 (setjmp_call_p): Add prototype.
3426 2000-04-04 Jakub Jelinek <jakub@redhat.com>
3428 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
3429 so that addresses are offsetable by up to 16 bytes.
3430 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
3431 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
3434 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
3435 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
3436 (movsf): Don't force any constant to memory if target is integer
3438 Move fp_zero_operand check below the const0_rtx check.
3439 (movtf): Likewise. Also allow fp_zero_operand for stores into
3441 (movdf): Likewise. Also allow fp_zero_operand for stores into
3442 memory and into integer hard registers.
3443 (clear_df, clear_dfp, movdf_const_intreg_sp32,
3444 movdf_const_intreg_sp64): Remove.
3445 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
3447 (movdf_no_e_insn_v9_sp32): New pattern.
3448 (movdf_insn_v9only): Remove.
3449 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
3450 (movdf_insn_sp64): Remove.
3451 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
3452 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
3453 (following splits): Rewrite conditions. Add two new splits
3454 for storing 0.0 into memory and registers.
3455 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
3456 (movtf_insn_sp32): Redo constraints and conditions.
3457 (movtf_insn_vis_sp32): New pattern.
3458 (movtf_no_e_insn_sp32): Redo constraints and conditions.
3459 (movtf_insn_hq_sp64): Likewise.
3460 (movtf_insn_hq_vis_sp64): New pattern.
3461 (movtf_insn_sp64): Redo constraints and conditions.
3462 (movtf_insn_vis_sp64): New pattern.
3463 (movtf_no_e_insn_sp64): Redo constraints and conditions.
3464 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
3466 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
3467 -mvis or -m64 to take down the number of various reload patterns.
3469 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
3471 * pa/pa-64.h: New file.
3472 * pa/pa64-regs.h: New file.
3473 * pa/pa64-start.h: New file.
3474 * pa/t-pa64: New file.
3475 * pa/xm-pa64hpux.h: New file.
3477 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3479 * sparc.c (output_restore_regs): Prototype.
3480 (sparc_emit_float_lib_cmp): Constification.
3482 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
3484 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
3487 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
3488 (get_value_hash, hash_rtx): Likewise.
3490 * ssa.c (compute_conservative_reg_partition): Prototype.
3492 * tree.c (mark_hash_entry): Prototype.
3494 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
3496 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
3497 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
3498 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
3500 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
3501 * objc/lang-specs.h: Likewise.
3503 2000-04-03 Neil Booth <NeilB@earthling.net>
3505 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
3506 and SYNTAX_ERROR2. Replace `' in messages with ''.
3507 (op_to_str): Make re-entrant.
3508 (_cpp_parse_expr): Implement new error macros. Use | rather
3509 than || to logically or 2 boolean integers. Simply expression
3510 checking we have a left operand iff needed.
3512 2000-04-03 Nick Clifton <nickc@cygnus.com>
3514 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
3516 2000-04-03 Philip Blundell <philb@gnu.org>
3518 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
3520 2000-04-03 Felix Lee <flee@cygnus.com>
3522 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
3523 (run_shell): Use it.
3525 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
3527 * Makefile.in (stmp-int-hdrs): Make include subdir here...
3528 (stmp-fixproto): ...rather than here.
3530 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
3532 * pa.c (print_operand): Compute 'base' only inside the code paths
3535 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
3537 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
3540 2000-04-03 Philipp Thomas <pthomas@suse.de>
3542 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
3544 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
3546 * Makefile.in (alias.o): Depend on $(TREE_H).
3548 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
3550 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
3552 * cpplib.c (_cpp_handle_directive): Improve warnings for
3553 traditional C and indented directives.
3555 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
3556 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
3557 fixinc/inclhack.def: Indent the # of #include_next one space.
3558 * cp/rtti.c: Un-indent #if and #endif.
3560 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
3561 syntax error, but an error has already been printed.
3562 * cpplex.c (_cpp_parse_assertion): Give a more specific error
3563 message when called with nothing remaining on the line.
3564 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
3565 OTHER token, not an ASSERTION.
3566 * cpplib.c (do_assert): When we create a 'base' node, clear
3567 its aschain pointer.
3569 2000-04-02 Neil Booth <NeilB@earthling.net>
3571 * cppexp.c: New typedef op_t. struct operation and struct
3572 token updated to use it.
3573 (op_to_str): New function.
3574 (_cpp_parse_expr): Error messages modified to use op_to_str.
3576 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3578 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
3579 before checking MUST_PASS_IN_STACK.
3581 2000-04-02 Neil Booth <NeilB@earthling.net>
3583 * cppexp.c: New FINISHED dummy token. Combine operator initial
3584 flags and initial priority into a single constant. New
3585 EQUALITY macro. New operator flag SHORT_CIRCUIT.
3586 (_parse_cpp_expr): Implement new constants. Take left operand
3587 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
3588 parse indicated by reducing FINISHED token. Remove new lines
3589 from cpp_error messages.
3591 2000-04-01 Mark Mitchell <mark@codesourcery.com>
3593 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
3596 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
3598 * cpplib.c: Include symcat.h. Add 'origin' field to struct
3599 directive. Add origin values to DIRECTIVE_TABLE. Generate
3600 the strings and function names on the fly. Take the #sccs
3601 entry out of the table if SCCS_DIRECTIVE is not defined.
3602 (_cpp_handle_directive): Decide if the # was at the beginning
3603 of the line here. Issue -pedantic warnings for extended
3604 directives here. Warn about K+R directives with the #
3605 indented, and C89/extended directives with the # not indented,
3607 (do_import, do_include_next, do_warning, do_ident, do_sccs,
3608 do_assert, do_unassert): Don't issue pedantic warning here.
3610 * cpphash.h: Add CPP_WTRADITIONAL macro.
3611 * cpplib.h (struct cpp_options): Rename warn_stringify to
3612 warn_traditional; update comments.
3613 * cppinit.c (handle_option): Set warn_traditional not
3615 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
3616 CPP_WTRADITIONAL (pfile).
3617 * cpplex.c (_cpp_lex_token): Don't decide if directives should
3618 be ignored in -traditional mode here.
3620 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
3621 to initialize speccase[] and trigraph_map[]. Delete all
3622 references to pfile->input_speccase. Always treat '?' as a
3623 special character. Remove table-initialization code from
3624 _cpp_init_input_buffer.
3626 * cpplib.h (struct cpp_reader): Remove input_speccase field.
3627 * cppinit.c (cpp_cleanup): Don't free input_speccase.
3629 2000-04-01 Richard Henderson <rth@cygnus.com>
3631 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
3632 (mostlyclean): Likewise.
3634 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
3635 (struct dump_file_info, enum dump_file_index, dump_file): New.
3636 (open_dump_file): Take a dump_file_index not a suffix, and a decl
3637 not a string. Clean out file if we havn't yet done so. Do nothing
3638 if the dump isn't enabled.
3639 (close_dump_file): Do nothing if the dump isn't open. Dump
3640 graph data if requested.
3641 (dump_rtl, clean_dump_file): Remove.
3642 (compile_file): Don't clean the dump files. Only finalize .bp dump
3643 if flag_test_coverage or flag_branch_probabilities. Only finalize
3644 .combine dump if optimizing. Iterate over dump_file to finalize the
3646 (rest_of_compilation): Update for open_dump_file/close_dump_file.
3647 Convert all uses of dump_rtl.
3648 (decode_d_option): Iterate over dump_file to implement 'a' and to
3649 locate pass-specific dumps.
3651 2000-04-01 Neil Booth <NeilB@earthling.net>
3653 * cppexp.c: Redefine priority constants.
3654 (_cpp_parse_expr): Replace left and right priority scheme with
3655 single priority logic. Move LOGICAL to same place as COMPARE.
3656 Remove bogus check for multiple unary +/- operators.
3658 2000-04-01 Neil Booth <NeilB@earthling.net>
3660 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
3661 within the switch statement. Binary operations break out of
3662 the switch naturally. '(' tokens handled by forcing
3663 immediate shift. ')' handled by forcing immediate reduce to
3664 the previous '('. New error messages.
3666 2000-03-31 Geoff Keating <geoffk@cygnus.com>
3668 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
3669 part', it's already in use. Use %K instead. Add a return at the
3670 end of what is now %K.
3671 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
3673 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
3675 * builtins.c (expand_builtin_apply): Pass proper parameters to
3676 allocate_dynamic_stack_space.
3677 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
3678 update stack_pointer_delta; do not update arg_size_so_far.
3679 (compute_argument_block_size): Use stack_delta instead of
3680 stack_pointer_pending and arg_size_so_far.
3681 (expand_call): Add sanity checking for stack_pointer_delta;
3682 save and restore stack_pointer_delta for SIB, use
3683 stack_pointer_delta for alignment; do not update arg_space_so_far.
3684 (emit_library_call_value): Use stack_pointer_delta for alignment.
3685 (store_one_arg): Do not update arg_space_so_far.
3686 * explow.c (adjust_stack, anti_adjust_stack): Update
3687 stack_pointer_delta.
3688 (allocate_dynamic_stack_space): Add sanity checking for
3689 stack_pointer_delta.
3690 * expr.c (init_expr, clear_pending_stack_adjust): Clear
3691 stack_pointer_delta.
3692 (emit_push_insn): Update stack_pointer_delta.
3693 * function.h (struct expr_status): Add x_stack_pointer_delta;
3694 remove x_arg_space_so_far.
3695 (arg_space_so_far): Remove.
3696 (stack_pointer_delta): New macro.
3698 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
3700 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
3701 Reorder struct cpp_options and struct cpp_reader for better
3702 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
3703 takes two args. Change all 'char' flags to 'unsigned char'.
3704 Move show_column flag into struct cpp_options. Don't
3705 prototype cpp_options_init.
3706 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
3707 cppinit.c, cpplex.c, cpplib.c:
3708 Replace CPP_OPTIONS (pfile)->whatever with
3709 CPP_OPTION (pfile, whatever), and likewise for
3710 opts = CPP_OPTIONS (pfile); ... opts->whatever;
3712 * cppinit.c (merge_include_chains): Take a cpp_reader *.
3713 Extract CPP_OPTION (pfile, pending) and work with that
3715 (cpp_options_init): Delete.
3716 (cpp_reader_init): Turn on on-by-default options here.
3717 Allocate the pending structure here.
3718 (cl_options, enum opt_code): Define these from the same table,
3719 kept in a large macro. Add -fshow-column and -fno-show-column
3722 * cpperror.c (v_message): If show_column is off, don't print
3725 * cppmain.c: Update for new interface.
3726 * fix-header.c: Likewise.
3728 2000-03-30 Geoff Keating <geoffk@cygnus.com>
3730 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
3732 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
3733 are passed to any invocation of AR_FOR_TARGET.
3734 (AR_CREATE_FOR_TARGET): New macro.
3735 (AR_EXTRACT_FOR_TARGET): New macro.
3736 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
3737 AR_EXTRACT_FOR_TARGET.
3738 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
3739 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
3740 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
3741 AR_EXTRACT_FOR_TARGET to sub-makes.
3743 2000-03-31 Neil Booth <NeilB@earthling.net>
3745 * cppexp.c: Delete SKIP_OPERAND. Correct priority
3747 (_cpp_parse_expr): Check for multiple unary +/- operators.
3748 Correct priorities of ':' and '?'. Treat ')' as having a
3749 value. Ensure conditional expression is not void.
3751 2000-03-31 Mark Mitchell <mark@codesourcery.com>
3753 * alias.c (canon_rtx): Make it global.
3754 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
3756 * cse.c (struct table_elt): Add canon_exp.
3758 (invalidate): Canonicalize expressions only once.
3759 * rtl.h (canon_rtx): Declare.
3761 2000-03-30 Mark Mitchell <mark@codesourcery.com>
3763 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
3764 * alias.c (reg_known_value): Add comments.
3765 (init_alias_analysis): Likewise.
3766 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
3768 (cse_basic_block): Fix typo in comment.
3769 * emit-rtl.c: Include hashtab.h.
3770 (const_int_htab): New variable.
3771 (const_int_htab_hash): New function.
3772 (const_int_htab_eq): Likewise.
3773 (rtx_htab_mark_1): Likewise.
3774 (rtx_htab_mark): Likewise.
3775 (gen_rtx_CONST_INT): Cache all CONST_INTs.
3776 (unshare_all_rtx): Fix formatting.
3777 (init_emit_once): Initialize const_int_htab.
3778 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
3780 * rtl.texi: Document the fact that all CONST_INTs with the same
3783 2000-03-30 Richard Henderson <rth@cygnus.com>
3785 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
3787 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
3789 * configure.in: Comment out --enable-c-cpplib stanza.
3790 * configure: Regenerate.
3792 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3794 * expr.c (store_constructor): Properly compute displacement and
3795 alignment when offset is variable.
3797 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
3798 cases of alignment in bytes.
3800 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
3802 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
3803 since it is used to generate c-parse.y.
3804 * objc-parse.c, objc-parse.y: Regenerated.
3806 * function.c (expand_function_end): Pass alignment argument to
3807 emit_block_move in bits, not bytes.
3809 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3811 * expr.c (move_by_pieces_ninsns): Fix one more missing align
3814 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
3816 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
3817 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
3818 * function.c (assign_parms): Likewise.
3819 * integrate.c (expand_inline_function): Likewise.
3820 * stmt.c (expand_decl): Likewise.
3821 (copy_rtx_and_substitute): Likewise.
3822 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
3823 (clear_by_pieces): Fix error in last change.
3824 * emit-rtl.c (init_emit): Set known registers alignment in bits.
3825 * function.h (regno_pointer_align): Now unsigned.
3826 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
3828 * config/i386/i386.c (aligned_operand): Likewise.
3829 * config/sparc/sparc.c (mem_min_alignment): Likewise.
3830 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
3831 (unaligned_memory_operand): Likewise.
3832 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
3833 Also make alignments and sizes unsigned and some whitespace cleanup.
3834 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
3836 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
3837 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
3838 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
3839 (expand_builtin_memset): Likewise, but to clear_storage.
3840 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
3841 (restore_fixed_argument_area): Likewise.
3842 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
3843 (load_register_parameters): Likewise, to emit_group_load.
3844 (expand_call): Likewise, to emit_group_store and emit_block_move.
3845 (emit_library_call_value_1): Likewise, to emit_block_move.
3846 (store_one_arg): Likewise, and to emit_push_insn.
3847 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
3848 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
3849 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
3850 (emit_block_move, emit_group_load, emit_group_store): Likewise.
3851 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
3852 (expand_assigment, store_expr, store_constructor_field): Likewise.
3853 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
3854 (store_constructor, store_field, get_inner_reference): Likewise.
3855 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
3856 (expand_expr, case COMPONENT_REF): Likewise.
3857 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
3858 and positions; reindent code.
3859 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
3860 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
3861 (assign_parms): Likewise to emit_group_store.
3862 * optabs.c (prepare_cmp_insn): Alignment is in bits.
3863 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
3864 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
3865 (expand_return): Likewise to {extract,store}_bit_field.
3866 * stor-layout.c (get_mode_alignment): Minor cleanup.
3867 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
3868 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
3870 2000-03-29 Nick Clifton <nickc@cygnus.com>
3872 * config/arm/arm.h: Undo effects of previous delta:
3873 (ASM_SPEC): Do not define.
3874 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
3876 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
3879 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3881 * cppinit.c (cpp_start_read): Call initialize_dependency_output
3882 only after reading in the primary source file.
3884 2000-03-29 Geoff Keating <geoffk@cygnus.com>
3886 * c-common.c (c_common_nodes_and_builtins): The first parameter to
3887 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
3888 or a reference to a va_list.
3889 * builtins.c (stabilize_va_list): Simplify now we don't have to
3890 work around C array address decay.
3891 * c-typeck.c (convert_for_assignment): Handle assignment to
3892 a reference parameter by taking the address of the RHS.
3893 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
3894 (va_copy): Likewise.
3895 (__va_copy): Likewise.
3896 * ginclude/varargs.h (va_start): Likewise.
3897 (__va_copy): Likewise.
3899 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
3901 * i386/djgpp.h: Remove extraneous "+".
3903 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
3905 * calls.c (expand_call): Fix typo in last change.
3907 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
3909 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
3912 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3914 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
3915 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
3916 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
3917 * tree.c (bit_position, byte_position): Likewise.
3918 * tree.h: Declare new functions.
3920 2000-03-29 Nick Clifton <nickc@cygnus.com>
3922 * config/arm/arm.c: Minor formatting changes/
3923 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
3925 (ASM_SPEC): Define if not already defined.
3927 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3929 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
3932 2000-03-29 Jakub Jelinek <jakub@redhat.com>
3934 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
3935 value, don't output it as unsigned.
3937 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
3939 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
3941 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3943 * c-common.c (c_common_nodes_and_builtins): Don't special case
3944 cplus_mode when declaring builtin bzero/bcmp, always avoid
3945 prototype arguments.
3947 2000-03-29 Bruce Korb <bkorb@gnu.org>
3949 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
3952 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
3954 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
3955 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
3956 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
3957 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
3958 (save_fixed_argument_area, restore_fixed_argument_area):
3959 conditionize by #ifdef REG_PARM_STACK_SPACE only.
3960 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
3961 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
3962 (precompute_register_parameters): Avoid #ifdefs on
3963 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
3964 (stire_one_args): Likewise.
3965 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
3966 (emit_library_call_value_1): Likewise.
3967 (compute_argument_block_size): Align to STACK_BOUNDARY only for
3968 ACCUMULATE_OUTGOING_ARGS.
3969 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
3971 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
3972 (use_crosses_set_p): Likewise.
3973 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
3974 #define ACCUMULATE_OUTGOING_ARGS 1.
3975 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
3977 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
3979 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
3980 (TARGET_SWITCHES): Add push-args, no-push-args,
3981 accumulate-outgoing-args and no-accumulate-outgoing-args.
3982 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
3983 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
3984 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
3986 (emit_push_insn): Likewise.
3987 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3988 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
3989 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3990 (STACK_DYNAMIC_OFFSET): Define correctly for both
3991 ACCUMULATE_OUTGOING_ARGS and normal mode.
3992 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
3993 * tm.texi (PUSH_ARGS): Document.
3994 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
3996 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
3998 * flags.h (flag_optimize_sibling_calls): Declare.
3999 * calls.c (expand_call): Fail sibcall when
4000 !flag_optimize_sibling_calls
4001 * invoke.texi (flag_optimize_sibling_calls): Document.
4002 * toplev.c (flag_optimize_sibling_calls): New global variable.
4003 (f_options): Add flag_optimize_sibling_calls.
4004 (rest_of_compilation): Conditionize
4005 optimize_sibling_and_tail_recursive_calls by
4006 flag_optimize_sibling_calls.
4007 (main): Set flag_optimize_sibling_calls for -O2.
4008 * stmt.c (expand_return): Conditionize tail recursion by
4009 flag_optimize_sibling_calls.
4011 2000-03-29 Richard Henderson <rth@cygnus.com>
4013 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
4014 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
4016 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
4018 * except.c (add_eh_table_entry): Mark type_info's as referenced.
4020 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4022 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
4024 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
4025 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
4026 * config/rs6000/aix.h: then modified likewise.
4028 2000-03-28 Richard Henderson <rth@cygnus.com>
4030 * rtl.h: Redistribute enum reg_note documentation.
4031 Kill trailing whitespace.
4032 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
4033 Kill trailing whitespace.
4035 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
4037 * cppfiles.c (hash_IHASH): Just return i->hash.
4038 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
4039 htab_find_with_hash.
4040 (cpp_read_file): Likewise.
4041 (find_include_file): Likewise. Properly initialize
4042 ih->nshort. Share ih->name and ih->nshort if possible.
4043 * cpphash.c (_cpp_calc_hash): New function.
4044 (hash_HASHNODE): Just return h->hash.
4045 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
4046 htab_find_with_hash.
4047 * cpphash.h: Prototype _cpp_calc_hash.
4048 * cppinit.c (initialize_builtins): Provide a valid hash
4049 to _cpp_make_hashnode, using _cpp_calc_hash.
4051 * cpphash.c (collect_expansion): # is not a special character
4052 in object-like macros. In -traditional mode, /**/ is not
4053 token paste at the beginning or end of the line.
4054 * cpplib.c (do_include, do_import, do_include_next): If
4055 parse_include fails, return immediately.
4057 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
4059 * config/arm/arm.md (return peepholes): Update to reflect the new
4061 * config/arm/arm.c (arm_volatile_func): Also check
4062 current_function_nothrow.
4063 (output_return_instruction, output_func_prologue): Use it.
4064 (arm_output_epilogue, arm_expand_prologue): Likewise.
4066 2000-03-27 Tom Tromey <tromey@cygnus.com>
4068 * gcc.c (handle_braces): In {x*...} case, break out of loop if
4071 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4073 * expr.c (store_constructor): SIZE now signed.
4074 For EXPR_SIZE, don't evaluate size; just needed if constant.
4075 * fold-const.c (fold): Fix a number of cases when folded tree is
4077 * function.c (flush_addressof): Reenable.
4078 * tree.h (flush_addressof): Likewise.
4079 * toplev.c (independent_decode_option): Look at strings_processed.
4080 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
4082 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
4084 * sibcall.c (indentify_call_return_value): Find last call in the chain;
4085 Allow stack adjustment after function call.
4087 * regmove.c (struct csa_memlist): Make mem field rtx *.
4088 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
4089 (try_apply_stack_adjustment): Replace whole MEM rtx.
4090 (combine_stack_adjustments_for_block): Update calls
4091 to record_one_stack_ref.
4093 2000-03-28 Neil Booth <NeilB@earthling.net>
4095 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
4096 '\\' rather than a null character, so nulls are not special. Fix
4097 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
4098 speed trigraph conversion.
4099 (_cpp_init_input_buffer): Initialize trigraph map.
4101 2000-03-27 Alan Modra <alan@linuxcare.com.au>
4103 * config/i386/i386.c (output_387_binary_op): Correct intel
4104 mode assembly output, and add spaces after commas in AT&T
4105 output. Correct Unixware assembler comment. Document input
4106 constraints. Comment fp operations. Reduce profligate buffer
4107 size. Remove extraneous abort. Localize temp var.
4108 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
4109 (output_fix_trunc): Add spaces after commas in assembly output.
4111 2000-03-27 Richard Henderson <rth@cygnus.com>
4113 * i386-protos.h (ix86_match_ccmode): Declare.
4114 * i386.c (ix86_match_ccmode): New.
4115 (ix86_expand_fp_compare): Update for pattern renames.
4116 (ix86_expand_strlensi_unroll_1): Likewise.
4117 * i386.h (EXTRA_CC_MODES): Add CCZ.
4118 (SELECT_CC_MODE): Use it for EQ/NE zero.
4119 * i386.md (cmpsi_ccz_1): New.
4121 (*testsi_ccz_1): New.
4122 (testqi_ccz_1): New.
4123 (cmpsi_ccno_1): Rename from cmpsi_0.
4124 (testsi_ccno_1): Rename from testsi_1.
4125 (testqi_ccno_1): Rename from testqi_1.
4126 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
4127 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
4128 (*cmphi_0): Use ix86_match_ccmode.
4129 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
4130 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
4131 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
4132 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
4133 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
4134 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
4135 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
4136 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
4137 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
4138 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
4139 (appropriate peepholes): Likewise.
4140 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
4141 (*subsi_3, *subhi_3, *subqi_3): Remove.
4142 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
4143 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
4144 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
4145 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
4146 (x86_shift_adj_1): Use CCZ.
4147 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
4149 2000-03-27 Stan Cox <scox@cygnus.com>
4151 * resource.h (mark_resource_type): New.
4152 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
4153 find_free_register): Use mark_resource_type.
4154 (mark_set_resources): Change include_delayed_effects
4155 to mark_resource_type.
4156 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
4157 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
4158 Use mark_resource_type.
4160 2000-03-27 Richard Henderson <rth@cygnus.com>
4162 * i386.md (call_pop_0, call_value_pop_0): New.
4163 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
4164 (call_value_pop_1): Likewise.
4165 (call_0, call_value_0): New.
4166 (call_1, call_value_1): Remove constraint from unused arg.
4168 2000-03-27 Nick Clifton <nickc@cygnus.com>
4170 * invoke.texi (Spec Files): Document new spec % command created by
4171 Tom Tromey's recent patch.
4173 2000-03-27 Jakub Jelinek <jakub@redhat.com>
4175 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
4178 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4180 * expr.c (expand_assignment): Fix typo in last change.
4182 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
4184 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4186 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
4187 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
4188 and DECL_INLINE if FUNCTION_DECL.
4189 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
4190 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
4191 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
4192 (combine_parm_decls): Likewise.
4193 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
4194 * print-tree.c (print_node): Likewise.
4195 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
4196 DECL_TRANSPARENT_UNION on proper decl types.
4197 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
4198 * stor-layout.c (layout_decl): Only check DECL_PACKED and
4199 DECL_BIT_FIELD of FIELD_DECL.
4200 * tree.h (DECL_RESULT_FLD): New macro.
4202 * expr.c (expand_assignment): Add code to handle variable-sized
4205 2000-03-26 Richard Henderson <rth@cygnus.com>
4207 * calls.c (expand_call): Pass parms not original exp to
4208 optimize_tail_recursion. Mind return value instead of looking
4210 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
4211 call_expr. Move checks for call_expr and current_function_decl ...
4212 (expand_return): ... here.
4214 2000-03-26 Tom Tromey <tromey@cygnus.com>
4216 * gcc.c (handle_braces): Recognize `%{<S}' construct.
4217 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
4219 (process_command): Use them.
4220 (check_live_switch): Likewise.
4221 (give_switch): Skip ignored switches.
4223 2000-03-26 Jan Hubicka <jh@suse.cz>
4225 * jump.c (jump_optimize_1): Fix typo in elide optimizations
4226 for minimal jump pass test.
4228 2000-03-26 Mark Mitchell <mark@codesourcery.com>
4230 * integrate.c (function_cannot_inline_p): Do inline functions that
4233 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4235 * stor-layout.c (layout_type, set_sizetype): early_type_list is
4236 now a list of TREE_LIST entries, not types.
4237 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
4239 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
4240 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
4242 * config/mips/mips.c (function_arg): Likewise; also remove cast
4243 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
4244 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
4245 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
4246 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
4247 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
4248 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
4249 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
4250 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
4251 num_adjusts now unsigned.
4252 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
4253 * config/sparc/sparc.c (struct function_arg_record_value_parms):
4255 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
4256 as is BITPOS variable; use host_integerp and int_bit_position.
4257 (function_arg_record_value_2): Likewise.
4258 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
4259 Variable REGNO now unsigned.
4260 (function_arg_record_value): NREGS now unsigned.
4262 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
4264 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
4266 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4268 * Rework fields used to describe positions of bitfields and
4269 modify sizes to be unsigned and use HOST_WIDE_INT.
4270 * alias.c (reg_known_value_size): Now unsigned.
4271 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
4272 (really_start_incremental_init): Use bitsize_zero_node.
4273 (push_init_level, pop_init_level, output_init_element): Likewise.
4274 Use bitsize_unit_node and bitsize_one_node.
4275 (output_pending_init_elements, process_init_element): Likewise.
4276 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
4277 (make_extraction): Position and length HOST_WIDE_INT and unsigned
4278 HOST_WIDE_INT, respectively.
4279 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
4280 (num_sign_bit_copies): Returns unsigned.
4281 BITWIDTH now unsigned; rework arithmetic.
4282 Remove recursive call from arg to MAX.
4283 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
4284 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
4286 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
4287 (find_split_point, expand_compound_operation, make_extraction): LEN
4288 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
4289 (make_field_assignment): Likewise.
4290 (combine_simplify_rtx): Add cast.
4291 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
4292 (force_to_mode): WIDTH now unsigned; add cast.
4293 (if_then_else_cond): SIZE now unsigned.
4294 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
4295 (extended_count): Now returns unsigned.
4296 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
4297 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
4298 (simplify_comparison): MODE_WIDTH now unsigned.
4299 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
4300 (mark_used_regs_combine): Likewise; rework arithmetic.
4301 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
4302 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
4303 (record_promoted_value): REGNO now unsigned.
4304 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
4305 (get_last_value): REGNO now unsigned.
4306 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
4307 (reg_dead_regno, reg_dead_endregno): Now unsigned.
4308 (remove_death): Arg REGNO now unsigned.
4309 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
4310 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
4312 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
4313 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
4314 (struct cse_reg_info): REGNO now unsigned.
4315 (cached_regno): Now unsigned.
4316 (REGNO_QTY_VALID_P): Add cast.
4317 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
4318 (remove_invalid_regs): Likewise.
4319 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
4320 as are variables END and I.
4321 (get_cse_reg_info, insert): Likewise.
4322 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
4323 (canon_hash): Likewise.
4324 (insert_regs, lookup_for_remove): REGNO now unsigned.
4325 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
4327 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
4328 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
4329 * emit-rtl.c (subreg_realpart_p): Add cast.
4330 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
4331 (operand_subword_force): Arg I is now unsigned.
4332 * except.c (eh_regs): Variable I is now unsigned.
4333 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
4334 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
4335 length is unsigned HOST_WIDE_INT; likewise for internal variables.
4336 (store_split_bit_field, extract_fixed_bit_field): Likewise.
4337 (extract_split_bit_field, store_bit_field, extract_bit_field):
4339 * expr.c (store_constructor_fields, store_constructor, store_field):
4340 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
4341 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
4342 (do_jump): Likewise.
4343 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
4344 MAX_SIZE is now unsigned.
4345 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
4346 (emit_group_store): Likewise.
4347 (emit_move_insn): I now unsigned.
4348 (store_constructor): Use host_integerp, tree_low_cst, and
4350 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
4351 Rework all calculations to use trees and new fields.
4352 * expr.h (promoted_input_arg): Regno now unsigned.
4353 (store_bit_field, extract_bit_field): Adjust types of pos and size.
4354 (mark_seen_cases): Arg is HOST_WIDE_INT.
4355 * flow.c (verify_wide_reg_1): REGNO now unsigned.
4356 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
4357 precisions and alignments are unsigned.
4358 (optimize_bit_field_compare, fold_truthop): Likewise.
4359 (int_const_binop): Adjust threshold for size_int_type_wide call.
4360 (fold_convert): Likewise.
4361 (size_int_type_wide): Make table larger and fix thinko that only
4362 had half of table used.
4363 (all_ones_mask_p, fold): Precisions are unsigned.
4364 * function.c (put_reg_info_stack): REGNO is unsigned.
4365 (instantiate_decl): Size is HOST_WIDE_INT.
4366 (instantiate_virtual_regs): I is unsigned.
4367 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
4368 (promoted_input_arg): REGNO is unsigned.
4369 * function.h (struct function): x_max_parm_reg is now unsigned.
4370 * gcse.c (max_gcse_regno): Now unsigned.
4371 (struct null_pointer_info): min_reg and max_reg now unsigned.
4372 (lookup_set, next_set): REGNO arg now unsigned.
4373 (compute_hash_table): REGNO and I now unsigned.
4374 (handle_avail_expr): regnum_for_replacing now unsigned.
4375 (cprop_insn): REGNO now unsigned.
4376 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
4377 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
4378 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
4379 * hard-reg-set.h (reg_class_size): Now unsigned.
4380 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
4381 * jump.c (mark_modified_reg): I now unsigned; add cast.
4382 (rtx_equal_for_thread_p): Add cast.
4383 * loop.c (max_reg_before_loop): Now unsigned.
4384 (struct_movable): REGNO now unsigned.
4385 (try_copy_prop): REGNO arg unsigned.
4386 (regs_match_p): XN and YN now unsigned.
4387 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
4388 (strength_reduce): Likewise; NREGS also unsigned.
4389 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
4390 * loop.h (struct iv_class): REGNO now unsigned.
4391 (max_reg_before_loop, first_increment_giv, last_increment_giv):
4393 * machmode.h (mode_size, mode_unit_size): Now unsigned.
4394 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
4395 * optabs.c (expand_binop): I and NWORDS now unsigned.
4396 (expand_unop): I now unsigned.
4397 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
4398 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
4399 * real.c (significand_size): Now returns unsigned.
4400 * real.h (significand_size): Likewise.
4401 * regclass.c (reg_class_size): Now unsigned.
4402 (choose_hard_reg_mode): Both operands now unsigned.
4403 (record_reg_classes): REGNO and NR now unsigned.
4404 (reg_scan): NREGS now unsigned.
4405 (reg_scan_update): old_max_regno now unsigned.
4406 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
4407 * reload.c (find_valid_class): BEST_SIZE now unsigned.
4408 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
4409 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
4410 Likewise for variable R.
4411 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
4412 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
4413 (find_equiv_reg): Add casts.
4414 (regno_clobbered_p): Arg REGNO now unsigned.
4415 * reload.h (struct reload): NREGS now unsigned.
4416 (refers_to_regno_for_reload_p): Regno args are unsigned.
4417 (regno_clobbered_p): Likewise.
4418 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
4419 (compute_use_by_pseudos): REGNO now unsigned.
4420 (find_reg): I and J now unsigned, new variable K, and change loop
4421 variables accordingly; THIS_NREGS now unsigned.
4422 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
4423 (spill_hard_reg): REGNO arg now unsigned; add casts.
4424 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
4425 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
4426 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
4427 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
4428 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
4429 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
4430 (emit_reload_insns): REGNO now unsigned.
4431 (reload_cse_move2add): Add cast.
4432 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
4434 * resource.c (mark_referenced_resources, mark_set_resources): New
4435 variable R; REGNO and LAST_REGNO now unsigned.
4436 (mark_target_live_regs): J and REGNO now unsigned.
4437 * rtl.c (mode_size, mode_unit_size): Now unsigned.
4438 * rtl.h (union rtunion_def): New field rtuint.
4439 (XCUINT): New macro.
4440 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
4441 (operand_subword, operand_subword_force): Word number is unsigned.
4442 (choose_hard_reg_mode): Operands are unsigned.
4443 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
4444 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
4445 (regno_use_in, combine_instructions, remove_death): Likewise.
4446 (reg_scan, reg_scan_update): Likewise.
4447 (extended_count): Return is unsigned.
4448 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
4449 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
4450 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
4451 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
4452 (reg_reg_last_1): FIRS and LAST now unsigned.
4453 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
4454 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
4456 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
4457 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
4458 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
4459 (replace_regs): Arg NREGS now unsigned.
4460 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
4461 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
4462 (simplify_binary_operation): Likewise.
4463 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
4464 THIS_LAST now unsigned.
4465 (cselib_record_set): Add cast.
4466 * ssa.c (ssa_max_reg_num): Now unsigned.
4467 (rename_block): REGNO now unsigned.
4468 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
4470 (all_cases_count): Just return -1 not -2.
4471 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
4472 Rework tests to use trees whenever possible.
4473 Use host_integerp and tree_low_cst.
4474 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
4475 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
4476 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
4477 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
4478 (smallest_mode_for_size): Likewise.
4479 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
4480 KNOWN_ALIGN is now an alignment, so simplify code.
4481 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
4482 (start_record_layout): Renamed from new_record_layout_info.
4483 Update to new fields.
4484 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
4486 (place_union_field): Renamed from layout_union_field.
4487 Update to use new fields in rli.
4488 (place_field): Renamed from layout_field.
4489 Major rewrite to use new fields in rli; pass alignment to layout_decl.
4490 (finalize_record_size): Rework to use new fields in rli and handle
4492 (compute_record_mode): Rework to simplify and to use new DECL fields.
4493 (finalize_type_size): Make rounding more consistent.
4494 (finish_union_layout): Deleted.
4495 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
4496 (layout_type, case RECORD_TYPE): Call new function names.
4497 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
4498 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
4499 (get_best_mode): UNIT is now unsigned; remove casts.
4500 * tree.c (bit_position): Compute from new fields.
4501 (byte_position, int_byte_position): New functions.
4502 (print_type_hash_statistics): Cast to remove warning.
4503 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
4504 (build_index_type): Likewise; make subtype of sizetype.
4505 (build_index_2_type): Pass sizetype to build_range_type.
4506 (build_common_tree_nodes): Use size_int and bitsize_int to
4507 initialize nodes; add bitsize_{zero,one,unit}_node.
4508 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
4509 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
4510 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
4511 (DECL_FIELD_BITPOS): Deleted.
4512 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
4513 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
4514 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
4515 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
4516 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
4517 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
4518 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
4519 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
4520 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
4521 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
4522 (DECL_ALIGN): Adjust to new field in union.
4523 (DECL_OFFSET_ALIGN): New field.
4524 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
4525 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
4526 (union tree_decl): Add struct for both aligns.
4527 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
4528 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
4529 (struct record_layout_info): Rework fields to have offset
4530 alignment and byte and bit position.
4531 (start_record_layout, place_field): Renamed from old names.
4532 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
4533 (byte_position, int_byte_position): Likewise.
4534 (get_inner_reference): Change types of position and length.
4535 * unroll.c (unroll_loop): New variable R; use for some loops.
4536 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
4537 (calculate_giv_inc): Arg REGNO now unsigned.
4538 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
4539 * varasm.c (assemble_variable): Clean up handling of size using
4540 host_integerp and tree_low_cst.
4541 (decode_addr_const): Use byte, not bit, position.
4542 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
4543 use tree_low_cst and int_bit_position.
4544 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
4546 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
4548 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
4549 (reorder_block_def): New members eff_head and eff_end.
4550 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
4551 (verify_insn_chain): New function.
4552 (skip_insns_between_block): Add code to skip deleted insns.
4553 Check for note before using.
4554 (chain_reorder_blocks): Replace calls to skip_insns_between_block
4555 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
4556 Check for note before using.
4557 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
4558 (fixup_reorder_chain): Restructure, clean up, defect removal.
4559 (reorder_basic_blocks): Remove last_insn and references to it.
4560 Moved insn chain verification code into a new function (see above).
4561 Delete defective code that sets last insn.
4562 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
4565 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4567 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
4569 2000-03-24 Richard Henderson <rth@cygnus.com>
4571 * tree.c (lang_safe_for_unsave): Remove.
4572 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
4573 allowing for two levels of unsafeness. Remove lang hook.
4574 * tree.h: Update declarations.
4575 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
4576 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
4577 Always fail sibcalls when there are pending cleanups.
4579 2000-03-24 Geoff Keating <geoffk@cygnus.com>
4581 * flow.c (propagate_block): When we delete an ADDR_VEC,
4582 also delete the BARRIER following it if there is one.
4584 2000-03-24 Richard Henderson <rth@cygnus.com>
4586 * builtins.c (expand_builtin_bzero): Convert `length' argument
4589 2000-03-24 Jakub Jelinek <jakub@redhat.com>
4591 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
4592 comparison if regno's are equal.
4593 * calls.c (initialize_argument_informat): Add ecf_flags argument.
4594 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4595 (expand_call): Update caller.
4596 Avoid making a sibling call if argument size of the callee is larger
4597 than argument size of the caller.
4598 Call hard_function_value with outgoing set if in sibcall pass.
4599 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4601 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
4602 Change LEAF_REGISTERS from an array initializer to actual array
4603 identifier. Move static global variable into the function.
4604 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
4605 sequences for leaf functions.
4606 * global.c (global_alloc): Likewise.
4607 * tm.texi (LEAF_REGISTERS): Update documentation.
4609 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
4610 TARGET_FLAT leaf disabling hack.
4611 (LEAF_REGISTERS): Changed from an array initializer to actual array
4612 identifier to avoid duplication and remove the above hack.
4613 (FUNCTION_OK_FOR_SIBCALL): Define.
4614 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
4615 always like call attribute.
4616 (eligible_for_sibcall_delay): New attribute.
4617 (sibcall): New delay type.
4618 (sibcall, sibcall_value, sibcall_epilogue): New expands.
4619 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
4620 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
4621 * config/sparc/sparc.c (sparc_leaf_regs): New array.
4622 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
4624 (output_function_epilogue): Move part of the code into
4625 output_restore_regs.
4626 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
4628 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
4631 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
4632 until infrastructure is finished.
4634 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
4636 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
4637 (save_parm_insns): Not here.
4639 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4641 * builtins.c (expand_builtin_bzero): New function.
4642 (expand_builtin): Handle bzero.
4644 * builtins.def: Add BUILT_IN_BZERO.
4646 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4647 prototype & function for bzero.
4649 2000-03-23 Michael Meissner <meissner@redhat.com>
4651 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
4652 change adding TARGET_FP to the TF floating point insns, except for
4653 trunctfsf2, which generates direct calls to truncdfsf2.
4655 2000-03-23 Geoff Keating <geoffk@cygnus.com>
4657 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
4658 try to protect against middle-end changes that break binary
4660 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
4662 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4664 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
4666 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4668 * calls.c (expand_call): If TARGET is passed by reference and
4669 is readonly, write a CLOBBER.
4671 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4673 * builtins.c (expand_builtin): Handle bcmp.
4675 * builtins.def: Add BUILT_IN_BCMP.
4677 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4678 prototype & function for bcmp.
4680 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
4682 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
4683 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
4684 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
4686 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
4688 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
4689 alternative when using -fp64 -gp32.
4691 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4693 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
4694 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
4695 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
4697 * frame.h (frame_state): Revert last change.
4698 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
4699 * libgcc2.c (throw_helper): Revert last change.
4701 2000-03-22 Richard Henderson <rth@cygnus.com>
4703 * stmt.c (expand_asm_operands): Don't promote the temporary.
4705 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4707 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
4708 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
4709 c_get_alias_set): Likewise.
4710 * c-decl.c (duplicate_decls): Likewise.
4711 * c-typeck.c (default_conversion,build_unary_op): Likewise.
4712 * calls.c (initialize_argument_information): Likewise.
4713 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
4715 * dwarfout.c (decl_class_context,output_type): Likewise.
4716 * expr.c (get_inner_reference): Likewise.
4717 * fold-const.c (simple_operand_p,fold): Likewise.
4718 * function.c (aggregate_value_p): Likewise.
4719 * stmt.c (expand_asm_operands): Likewise.
4720 * varasm.c (named_section): Likewise.
4722 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4724 Implement dwarf2 exception handling for the ARM.
4725 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
4726 (DWARF_FRAME_RETURN_COLUMN): Define.
4727 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
4728 REG_FRAME_RELATED_EXPR note.
4729 (emit_sfm): Likewise.
4730 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
4731 * dwarf2out.c (reg_save): Handle saving a register to itself.
4732 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
4733 * except.c (eh_regs): Don't use the static chain reg if it's
4735 * frame.h (frame_state): Add cfa_saved field.
4736 * frame.c (execute_cfa_insn): Set it.
4737 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
4739 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
4741 (instantiate_virtual_regs): Adjust.
4743 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4744 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4745 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
4747 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
4748 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
4750 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4752 * builtins.def: New file.
4754 * Makefile.in (TREE_H): Depend on builtins.def.
4756 * builtins.c (built_in_names): Use builtins.def.
4758 * tree.h (built_in_function): Likewise.
4760 2000-03-22 Mark Mitchell <mark@codesourcery.com>
4762 * tree.c (size_in_bytes): Return size_zero_node, not
4765 2000-03-22 Geoff Keating <geoffk@cygnus.com>
4767 * config/fp-bit.c (pack_d): Correct the case when a denormal
4768 is rounded up and stops being denormal.
4770 2000-03-21 Richard Henderson <rth@cygnus.com>
4772 * config/alpha/alpha.c (function_arg): Check for void_type_node
4773 before using MUST_PASS_IN_STACK.
4775 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
4777 * regmove.c (combine_stack_adjustments_for_block): Check that
4778 the stack pointer is a valid memory address.
4780 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
4782 * calls.c: re-install Mar 16 emit_library_call merge.
4784 2000-03-21 Jakub Jelinek <jakub@redhat.com>
4786 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
4787 we cannot be sure that if reload_completed base register will
4788 be properly aligned.
4790 2000-03-21 Richard Henderson <rth@cygnus.com>
4792 * flow.c (delete_block): Fix typo last change.
4794 2000-03-21 Mark Mitchell <mark@codesourcery.com>
4796 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
4797 not COMPLETE_TYPE_P, to check the type of the expression.
4799 2000-03-21 Michael Meissner <meissner@redhat.com>
4801 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
4802 all floating point insns that just tested the macro
4803 TARGET_HAS_XFLOATING_LIBS.
4804 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
4805 used to only use the gprs.
4807 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
4809 * tree.h (COMPLETE_TYPE_P): New macro.
4810 (COMPLETE_OR_VOID_TYPE_P): New macro.
4811 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
4812 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
4813 * c-aux-info.c (gen_type): Use them.
4814 * c-common.c (c_expand_expr_stmt): Likewise.
4815 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
4816 grokdeclarator, grokparms, finish_struct, start_function,
4817 store_parm_decls, combine_parm_decls): Likewise.
4818 * c-parse.y (cast_expr): Likewise.
4819 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
4820 c_size_in_bytes, c_alignof, build_component_ref,
4821 build_indirect_ref, build_array_ref, convert_arguments,
4822 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
4823 * calls.c (initialize_argument_information): Likewise.
4824 * convert.c (convert_to_integer): Likewise.
4825 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
4826 * dwarfout.c (location_or_const_value_attribute,
4827 output_enumeration_type_die, output_structure_type_die,
4828 output_union_type_die, output_type): Likewise.
4829 * expr.c (safe_from_p, expand_expr): Likewise.
4830 * function.c (assign_parms): Likewise.
4831 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
4832 * tree.c (build_array_type, build_function_type,
4833 build_method_type, build_offset_type, build_complex_type): Likewise.
4834 * c-parse.c, c-parse.h: Regenerated.
4836 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4838 * config/c4x/rtems.h: Include config/rtems.h.
4840 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
4842 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
4843 decl is a FUNCTION_DECL
4845 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
4847 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
4848 function uses output registers. Don't save RP for leaf functions.
4849 Do save RP even if no epilogue.
4850 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
4851 (CALL_USED_REGISTERS): Unmark in registers.
4852 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
4855 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4857 * config/rs6000/rs6000.md (bunordered): New expander.
4858 (bordered): New expander.
4859 (buneq): New expander.
4860 (bunge): New expander.
4861 (bungt): New expander.
4862 (bunle): New expander.
4863 (bunlt): New expander.
4864 (bltgt): New expander.
4866 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
4867 (ccr_bit_negated_p): New function.
4868 (print_operand): For %C, generate appropriate cror for UNEQ,
4869 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
4871 2000-03-20 Andreas Jaeger <aj@suse.de>
4873 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
4876 * tree.h (safe_for_unsave): Prototype.
4878 2000-03-20 Richard Henderson <rth@cygnus.com>
4880 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
4881 (combine_stack_adjustments_for_block): Don't allow sp references
4882 in the side of a set we're not fixing up.
4883 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
4884 after life_analysis.
4886 2000-03-20 Richard Henderson <rth@cygnus.com>
4888 * calls.c (expand_call): Don't bother generating tail call
4889 sequences if there are pending cleanups. Use
4890 expand_start_target_temps/expand_end_target_temps to elide
4891 cleanups created during sibcall expansion.
4893 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4895 * configure.in: Set $IFS to a value if it doesn't already have one
4896 in the --enable-checking handling.
4897 * configure: Regenerate.
4899 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4901 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
4902 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4905 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
4907 * jump.c (delete_noop_moves): Remove code attempting to
4908 combine stack adjustments.
4910 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4912 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
4913 * except.c (emit_cleanup_handler): Use them.
4914 (expand_end_all_catch): Likewise.
4915 * function.c (fixup_var_refs): Likewise.
4916 (expand_function_end): Clear catch_clauses_last.
4917 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
4918 * except.h (struct eh_status): New field x_catch_clauses_last.
4919 (catch_clauses_last): New define.
4921 * Makefile.in (tree.o): Depend on HASHTAB_H.
4922 * tree.c: Include hashtab.h.
4923 (struct type_hash): Remove next field.
4924 (TYPE_HASH_SIZE): Remove.
4925 (TYPE_HASH_INITIAL_SIZE): New define.
4926 (type_hash_table): Change type to htab_t.
4927 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
4928 mark_hash_entry): New functions.
4929 (init_obstacks): Allocate type hash.
4930 (type_hash_lookup): Use htab functions.
4931 (type_hash_add, mark_type_hash): Likewise.
4932 (dump_tree_statistics): Call print_type_hash_statistics.
4934 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4936 * rs6000/t-aix41: New file.
4938 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
4940 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
4942 * tm.texi (Driver): Fix typos and tweak entry for
4944 Move misplaced STRUCT_FORCE_BLK entry ...
4945 (Storage Layout): ... to here.
4946 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
4948 2000-03-19 Richard Henderson <rth@cygnus.com>
4950 * flow.c (delete_block): Delete the addr_vec along with the block.
4951 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
4954 * fold-const.c (extract_muldiv): Apply type check for defined
4955 overflow to multiply as well as divide.
4957 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
4959 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4961 * emit-rtl.c (remove_unncessary_notes): Check that all
4962 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
4963 associated NOTE_BLOCK.
4964 * function.h (identify_blocks): Update comments.
4965 (reorder_blocks): Declare.
4966 * function.c (identify_blocks): Don't take paramters.
4967 (reorder_blocks): Don't take parameters.
4968 * loop.h (find_loop_tree_blocks): Remove.
4969 (unroll_block_trees): Likewise.
4970 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
4971 reorder_blocks instead of unroll_block_trees.h
4972 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
4973 * stmt.c (find_loop_tree_blocks): Remove.
4974 (unroll_block_trees): Likewise.
4975 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
4976 in whole-function mode.
4977 * tree.h (reorder_blocks): Remove declaration.
4979 * expr.c: Include intl.h.
4980 * Makefile.in (expr.o): Depend on intl.h.
4982 2000-03-18 Richard Henderson <rth@cygnus.com>
4984 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
4986 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4988 * tree.h (tree_index): Remove enumerals for integer types.
4989 (integer_type_kind): New type.
4990 (integer_types): New variable.
4991 (char_type_node): Adjust.
4992 (signed_char_type_node): Likewise.
4993 (unsigned_char_type_node): Likewise.
4994 (short_integer_type_node): Likewise.
4995 (short_unsigned_type_node): Likewise.
4996 (integer_type_node): Likewise.
4997 (unsigned_type_node): Likewise.
4998 (long_integer_type_node): Likewise.
4999 (long_unsigned_type_node): Likewise.
5000 (long_long_integer_type_node): Likewise.
5001 (long_long_unsigned_type_node): Likewise.
5002 * tree.c (integer_types): New variable.
5003 (init_obstacks): Register it as a root.
5005 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
5007 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
5008 NEXT_INSN. Update last insn in chain.
5010 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
5012 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
5013 with TYPE_DECL_SUPPRESS_DEBUG set.
5015 2000-03-18 Richard Henderson <rth@cygnus.com>
5017 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
5019 2000-03-18 Richard Henderson <rth@cygnus.com>
5021 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
5022 care for HALF_PIC_P.
5023 (expander_call_insn_operand): Remove.
5024 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
5025 * i386.h (PREDICATE_CODES): Update.
5026 * i386.md (all call expanders): Remove predicates, remove special
5027 handling for half-pic.
5028 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
5029 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
5030 (sibcall_epilogue): New.
5032 2000-03-17 Richard Henderson <rth@cygnus.com>
5034 * rtlanal.c (single_set): Reject if the parallel has anything
5035 except SET or USE or CLOBBER.
5037 2000-03-17 Jeff Law <law@cygnus.com>
5038 Richard Henderson <rth@cygnus.com>
5040 * Makefile.in (OBJS): Add sibcall.o.
5042 * sibcall.c: New file.
5043 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
5044 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
5045 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
5046 Emit sibcall patterns when requested. Update all callers.
5047 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
5048 elimination seems feasable.
5049 * final.c (leaf_function_p): Sibling calls don't discount being
5051 * flow.c (HAVE_sibcall_epilogue): Provide default.
5052 (find_basic_blocks_1): Sibling calls don't throw.
5053 (make_edges): Make edge from sibling call to EXIT.
5054 (propagate_block): Don't remove sibcall_epilogue insns.
5055 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
5056 (sibcall_epilogue): New.
5057 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
5058 (identify_blocks_1): Likewise. Break out from ...
5059 (identify_blocks): ... here.
5060 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
5061 (reorder_blocks): ... here.
5062 (init_function_for_compilation): Zap prologue/epilogue as varrays.
5063 (record_insns): Extend a varray instead of mallocing new memory.
5064 (contains): Read a varray not array of ints.
5065 (sibcall_epilogue_contains): New.
5066 (thread_prologue_and_epilogue_insns): Emit and record
5067 sibcall_epilogue patterns.
5068 (init_function_once): Allocate prologue/epilogue varrays.
5069 * genflags.c (gen_insn): Treat sibcall patterns as calls.
5070 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
5072 (save_for_inline_nocopy): ... here.
5073 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
5075 (expand_inline_function): ... here.
5076 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
5077 (subst_constants): Handle 'n' formats.
5078 * jump.c (jump_optimize_minimal): New.
5079 (jump_optimize_1): New arg `minimal'; update callers. Elide most
5080 optimizations if it's set.
5081 * rtl.c (copy_rtx): Do copy jump & call for insns.
5082 * rtl.h (struct rtx_def): Document use of jump and call for insns.
5083 (SIBLING_CALL_P): New.
5084 (sibcall_use_t): New.
5085 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
5086 Invoke optimize_sibling_and_tail_recursive_calls.
5087 * tree.c (lang_safe_for_unsave): New.
5088 (safe_for_unsave): New.
5089 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
5091 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
5092 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
5093 (*sibcall_osf_1, *sibcall_value_osf_1): New.
5095 2000-03-17 Mark Mitchell <mark@codesourcery.com>
5097 * objc/objc-act.c (encode_method_prototype): Pass types, not
5098 PARM_DECLs, to int_size_in_bytes.
5100 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
5102 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
5104 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
5105 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
5107 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5109 * Clean up usages of TREE_INT_CST_LOW.
5110 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
5111 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
5113 * c-tree.h (min_precision): Move declaration to here.
5114 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
5115 (build_unary_op, add_pending_init): Use bit_position.
5116 (pending_init_member, process_init_element): Likewise.
5117 (really_start_incremental_init, push_init_level, pop_init_level):
5118 Don't make copies of nodes or modify them in place, use consistent
5119 types when tracking positions, and use tree routines computations.
5120 (set_init_index, output_init_element): Likewise.
5121 (output_pending_init_elements, process_init_element): Likewise.
5122 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
5123 tree_low_cst and int_bit_position; also minor cleanup.
5124 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
5125 (print_cst_octal): Precision is unsigned.
5126 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
5127 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
5128 (simple_type_align_in_bits): Result is unsigned int.
5129 Use tree_int_low_cst and host_integerp.
5130 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
5131 (field_byte_offset): Result is HOST_WIDE_INT.
5132 Change types of internal variables so alignments are unsigned int,
5133 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
5134 Use host_integerp, tree_low_cst, and int_bit_position.
5135 (add_bit_offset_attribute): Likewise.
5136 (add_data_member_location_attribute): Use tree_cst_low.
5137 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
5138 (add_bit_size_attribute): Use tree_low_cst.
5139 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
5140 * dwarfout.c: Similar changes to dwarf2out.c.
5141 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
5142 * genoutput.c (n_occurences): Return -1 for null string.
5143 (strip_whitespace): Accept null string and make into function.
5144 (scan_operands): Reflect above changes.
5145 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
5146 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
5147 * ssa.c (rename_registers): Add missing cast of arg to bzero.
5148 * tree.c (int_size_in_bytes): Check for too big to represent.
5149 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
5150 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
5152 (min_precision): Delete from here.
5153 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
5154 and int_bit_position.
5155 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
5156 (encode_method_def): Likewise.
5157 (build_ivar_list_initializer): Use int_bit_position.
5158 (generate_shared_structures): Convert size.
5159 (encode_type, encode_complete_bitfield): Use integer_zerop.
5160 (encode_bitfield): Use tree_low_cst and int_bit_position.
5162 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5164 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
5166 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5168 * call.c (special_function_p): It is only malloc if it returns
5171 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5173 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
5174 (C33_FLAG, TARGET_C3X): Add macros.
5175 (TARGET_SWITCHES): Add -m33 option.
5176 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
5178 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5180 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
5181 (PARALLEL_PACK_FLAG): Delete.
5182 (TARGET_SWITCHES): Update.
5183 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
5185 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5187 * fold-const.c (fold): Fix a few cases when the returned result
5188 is not of the same type as the input.
5190 2000-03-16 Nick Clifton <nickc@cygnus.com>
5192 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
5195 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5197 * libgcc2.h: Move prototypes above macros with the same name.
5198 Wrap some function prototypes in the conditional which indicates
5199 whether they are supported, i.e. "BITS_PER_UNIT == 8".
5201 2000-03-16 Richard Henderson <rth@cygnus.com>
5203 * calls.c: Revert last two changes.
5205 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
5207 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
5208 has exponent 0 is a zero.
5210 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
5211 HASH may already be nonzero. Add code/mode into hash value
5212 immediately after repeat label.
5213 (cselib_lookup): Don't leave the hash table in an inconsistent
5214 state before a hash lookup operation.
5216 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
5218 * i386.md (all HI and QI mode non-move patterns): Conditionize
5219 by TARGET_[HQ]IMODE_MATH.
5220 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
5221 x86_promote_qi_regs): Declare.
5222 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
5223 TARGET_PROMOTE_QI_REGS): New macros.
5224 (PROMOTE_MODE): New macro.
5225 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
5226 x86_promote_qi_regs): New global variables.
5228 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
5230 * calls.c (emit_library_call_value_1): Break out from ...; handle
5231 VOIDmode function calls too.
5232 (emit_library_call_value): ... here.
5233 (emit_library_call): Implement by calling emit_library_call_value_1.
5235 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
5237 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
5238 Update arg_space_so_far on stack adjustments.
5239 (emit_library_call, emit_library_call_value): Likewise; take into
5240 account arg_space_so_far and pending_stack_adjust when calculcating
5243 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
5245 * flow.c: Move all basic block reordering code into its own file.
5246 (create_basic_block): Externalize.
5247 * bb-reorder.c: New file. Copy all basic block reordering code from
5248 flow.c to this file.
5249 (reorder_basic_blocks): Fix fencepost error in for-loop.
5250 (reorder_basic_blocks): Remove braces from single statement for-loops.
5251 * basic-block.h: Add declaration for create_basic_block.
5252 * Makefile.in: Add rules for bb-reorder.o.
5254 2000-03-16 Neil Booth <NeilB@earthling.net>
5256 * cppinit.c (handle_option): Implement #unassert directive
5257 as -A- command line option.
5258 (print_help): Update.
5259 * cpptexi.c: Update.
5261 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
5263 * md.texi (Standard Names): Document `jump'.
5265 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5267 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
5270 2000-03-15 Geoff Keating <geoffk@cygnus.com>
5272 Merge changes from newppc-branch onto trunk.
5274 2000-03-15 Geoff Keating <geoffk@cygnus.com>
5276 * rs6000.c (toc_hash_table): Update for new hash table functions.
5277 (toc_hash_function): Likewise.
5278 (toc_hash_eq): Likewise.
5279 (toc_hash_mark_entry): Likewise.
5280 (toc_hash_mark_table): Likewise.
5281 (output_toc): Likewise.
5282 (rs6000_add_gc_roots): Likewise.
5284 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5286 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
5287 (AR_FLAGS_FOR_TARGET): here. New macro.
5289 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
5291 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
5292 fpmem_operand) Delete.
5294 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
5295 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
5296 (rs6000_save_machine_status, rs6000_restore_machine_status,
5297 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
5298 references to above variables.
5299 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
5300 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
5301 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
5302 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
5303 (XER_REGNO_P, XER_REGNO): New.
5304 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
5305 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
5306 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
5308 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5309 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
5310 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
5312 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5314 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
5315 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
5316 * rs6000.h: from here.
5318 * rs6000-protos.h (rs6000_select_section): Provide prototype.
5319 (rs6000_select_rtx_section): Likewise.
5320 (rs6000_encode_section_info): Likewise.
5321 (sdata_section): Likewise.
5322 (sdata2_section): Likewise.
5323 (sbss_section): Likewise.
5324 * sysv4.h (rs6000_select_section): Delete prototype.
5325 (rs6000_select_rtx_section): Likewise.
5326 (rs6000_encode_section_info): Likewise.
5327 (sdata_section): Likewise.
5328 (sdata2_section): Likewise.
5329 (sbss_section): Likewise.
5330 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
5332 * sysv4.h: Delete various unnecessary #undef's and put a comment
5333 on the remaining ones.
5334 Change various comments according to coding standard.
5336 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
5338 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
5339 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
5340 (CR0_REGNO_P) Remove.
5341 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
5342 setup_incoming_varargs, mtcrf_operation, print_operand,
5343 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
5344 Use the above macros.
5346 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
5348 * config/rs6000/rs6000.md: Added a new alternative for each
5349 pattern that had a 'x' alternative but no 'y' alternative.
5350 Added a new split for each of the above patterns.
5352 2000-02-18 Geoff Keating <geoffk@cygnus.com>
5354 * aix41.h (ASM_CPU_SPEC): Delete.
5355 (CPP_CPU_SPEC): Delete.
5357 * aix.h (RS6000_OUTPUT_BASENAME): Define.
5358 (ASM_OUTPUT_LABEL): Define.
5359 (ASM_GLOBALIZE_LABEL): Define.
5360 (STRIP_NAME_ENCODING): Define.
5361 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
5362 (STRIP_NAME_ENCODING): Don't define.
5363 (ASM_OUTPUT_LABEL): Don't define.
5364 (ASM_GLOBALIZE_LABEL): Don't define.
5365 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
5366 names, and ASM_OUTPUT_LABEL to output labels, rather than
5368 (ASM_OUTPUT_LABEL): Define.
5369 (ASM_OUTPUT_INT): Use assemble_name.
5370 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
5371 (STRIP_NAME_ENCODING): Don't undefine first.
5372 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
5374 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
5375 specified with 'asm' even with -fleading-underscore.
5376 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
5377 (output_epilog): Likewise.
5378 (output_toc): Likewise.
5379 * tramp.asm: Handle -fleading-underscore correctly.
5381 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
5383 (nonlocal_goto_receiver): Delete.
5384 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
5386 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
5387 (SET_ASM_OP): Define.
5388 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
5390 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
5393 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
5394 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
5396 * rs6000.h: Add 'u' to more constants.
5398 2000-02-18 David Edelsohn <edelsohn@gnu.org>
5400 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
5402 2000-02-15 David Edelsohn <edelsohn@gnu.org>
5404 * rs6000.c (reg_or_u_cint_operand): New function.
5405 (logical_operand): Handle 64-bit hosts.
5406 (logical_u_operand): New function.
5407 (non_logical_cint_operand): Handle 64-bit hosts.
5408 (non_logical_u_cint_operand): New function.
5409 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
5410 (PREDICATE_CODES): Define new functions.
5411 * rs6000-protos.h: Declare new functions.
5412 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
5413 (movdi_64): Bracket code intended for 64-bit hosts. Create
5414 CONST_DOUBLE for 32-bit values.
5415 (scc insns): Generate DImode compares.
5416 (mfcr insns): Create DImode versions.
5417 (sge matchers): New patterns.
5419 2000-02-15 Gabriel Paubert <paubert@iram.es>
5421 * rs6000.md: Correct instructions length attributes and
5422 constraints on unsigned compare instructions.
5423 (*ne0): Disable for PowerPC64.
5425 2000-02-11 Geoff Keating <geoffk@cygnus.com>
5427 * rs6000.c (output_function_profiler): Use .long for a 32-bit
5428 quantity, fix profile1.C test failure under -fPIC.
5430 * rs6000.c: Add 'u' to many constants to suppress warnings.
5431 (constant_pool_expr_1): Make static.
5432 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
5433 * rs6000.h: Add 'u' to many constants to suppress warnings.
5435 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
5436 for the start of the TOC, instead of LCTOC..0.
5437 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
5439 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
5440 (load_toc_aix_di): Use LCTOC..1.
5442 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
5443 * rs6000.c (rs6000_legitimize_address): New function from
5444 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
5445 symbols in the constant pool that really are TOC references.
5446 (print_operand_address): For ELF, write TOC offsets under
5447 -fPIC as subtractions in the insn.
5448 (output_toc): For ELF, define symbols in TOC as normal labels,
5450 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
5451 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
5452 (create_TOC_reference): Prototype only when RTX_CODE is defined.
5453 * rs6000.md (movsi): Only use create_TOC_reference on
5454 symbols in the constant pool that really are TOC references.
5456 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
5457 * rs6000.c (rs6000_reorg): Delete.
5458 * rs6000-protos.h (rs6000_reorg): Delete.
5460 2000-02-09 Geoff Keating <geoffk@cygnus.com>
5462 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
5464 * aix.h (SETUP_FRAME_ADDRESSES): Define.
5465 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
5466 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
5467 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
5468 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
5469 rs6000_aix_emit_builtin_unwind_init.
5470 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
5471 rs6000_emit_eh_toc_restore on AIX.
5472 (return_eh_si): Use r2.
5473 (return_eh_di): Use r2.
5475 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
5476 since we're breaking binary compatibility anyway.
5478 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
5480 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
5481 constant_pool_expr_p): Declare them.
5482 (constant_pool_expr_p): Declare it.
5483 * config/rs6000/rs6000.c (toc_label_name): Define.
5484 (rs6000_override_options): Set toc_label_name.
5485 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
5486 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
5487 uses_TOC): New functions.
5488 (print_operand): Delete old '*' case.
5489 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
5490 and strip off rtl for TOC before calling output_addr_const.
5491 (rs6000_emit_load_toc_table): Use toc_label_name.
5492 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
5494 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
5495 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
5496 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
5497 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
5498 into explicit TOC_REGISTER offsets.
5499 (TOC_REGISTER): New macro.
5500 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
5501 TARGET_TOC to reference TOC_REGISTER.
5502 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
5503 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
5504 uses_TOC before emitting label references.
5506 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5508 * rs6000.md (stack_tie): Fix warning.
5510 * eabi-ctors.c: Use 'asm' names for the start/end variables,
5511 to handle -fleading-underscore.
5512 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
5513 (USER_LABEL_PREFIX): New macro.
5514 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
5515 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
5516 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
5517 call-linux can use the same multilibs.
5518 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
5519 and call-linux multilibs. Do multilib with -fleading-underscore.
5520 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
5521 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
5524 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
5525 have MASK_SOFT_FLOAT set.
5526 (CPP_FLOAT_DEFAULT_SPEC): New macro.
5527 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
5528 CPP_FLOAT_DEFAULT_SPEC.
5530 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
5531 * rs6000.md: Whitespace change.
5532 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
5533 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
5535 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5537 * rs6000.md (eh_epilogue): New expander.
5538 (eh_reg_restore): New expand/split/insn combination.
5539 (return_eh_si): New insn.
5540 (return_eh_di): New insn.
5542 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
5543 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
5544 * eabi-ctors.c (__do_global_ctors): Register this object's
5545 frame. Clean up. Call atexit() after the constructors.
5546 (__do_global_dtors): Deregister this object's frame. Clean up.
5547 Allow for recursive calls to exit().
5548 * rs6000.c (fixuplabelno): New variable.
5549 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
5550 TARGET_RELOCATABLE, it slows down exec() under linux.
5551 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
5553 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
5554 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
5555 (ASM_OUTPUT_DWARF_DELTA2): New macro.
5556 (ASM_OUTPUT_DWARF_DELTA4): New macro.
5557 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
5558 (ASM_OUTPUT_DWARF_ADDR): New macro.
5559 (ASM_OUTPUT_DWARF_DATA4): New macro.
5560 (ASM_OUTPUT_DWARF_DATA2): New macro.
5561 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
5562 (ASM_OUTPUT_DWARF_OFFSET): New macro.
5563 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
5565 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5567 * rs6000.c (rs6000_sr_alias_set): New variable.
5568 (rs6000_override_options): Initialise rs6000_sr_alias_set.
5569 (rs6000_emit_stack_tie): New function.
5570 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
5571 in a way that dwarf2out can understand.
5572 (rs6000_frame_related): New function.
5573 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
5574 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
5575 Use rs6000_emit_stack_tie when needed.
5576 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
5577 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
5578 * rs6000.md (stack_tie): New insn.
5579 (return_internal_si): Allow return value to be in the count
5581 (return_internal_di): Likewise.
5583 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
5585 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5587 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
5589 2000-01-31 Geoff Keating <geoffk@cygnus.com>
5591 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
5593 * rs6000.md (stmw): Use the right POWER opcode.
5596 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5598 * rs6000-protos.h: New file.
5600 * rs6000.c: Include tm_p.h. Fix compile time warnings.
5602 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
5605 * sysv4.h: Likewise.
5607 2000-01-28 Geoff Keating <geoffk@cygnus.com>
5609 * ../../configure.in: Delete powerpcle-*-winnt*
5610 and powerpcle-*-pe|powerpcle-*-cygwin*.
5611 * ../../configure: Regenerated.
5613 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
5614 (TARGET_WINDOWS_NT): Delete.
5616 (CALL_NT_DLLIMPORT): Delete.
5617 Delete NT-specific code.
5618 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
5621 * nt-ci.asm: Delete.
5622 * nt-cn.asm: Delete.
5623 * ntstack.asm: Delete.
5625 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5627 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
5628 (ASM_FILE_START): Likewise.
5629 (ASM_DECLARE_FUNCTION_NAME): Likewise.
5630 (ASM_OUTPUT_LABELREF): Likewise.
5631 (ASM_OUTPUT_SKIP): Likewise.
5632 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
5633 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5634 (ASM_OUTPUT_CASE_LABEL): Likewise.
5635 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
5636 (ASM_OUTPUT_ASCII): Likewise.
5638 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
5640 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
5641 reload_toc_labelno for non-prologue TOC reloads. Also, don't
5642 increment rs6000_pic_labelno here.
5643 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
5644 and increment rs6000_pic_labelno here.
5646 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
5648 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
5649 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
5650 allocation knows (reg) is dead before the insn.
5652 2000-01-21 Geoff Keating <geoffk@cygnus.com>
5654 * rs6000.md (movsi_to_cr): Correct typo in output template.
5656 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5658 * rs6000.c (rs6000_pic_labelno): Always define.
5659 (rs6000_pic_func_labelno): Delete.
5660 (lmw_operation): Check for a zero base register,
5661 which doesn't mean what we want.
5662 (stmw_operation): New function.
5663 (print_operand): Define new 'l' modifier.
5664 (rs6000_stack_info): We must save all 64 bits of the registers
5665 if TARGET_POWERPC64.
5666 (rs6000_output_load_toc_table): Delete.
5667 (rs6000_emit_load_toc_table): New function.
5668 (rs6000_allocate_stack_space): Delete.
5669 (rs6000_emit_allocate_stack): New function.
5670 (rs6000_emit_prologue): New function.
5671 (output_prolog): Use rs6000_emit_prologue.
5672 (rs6000_emit_epilogue): Change a few variable names to be
5673 more accurate. Restore all 64 bits of the registers if
5674 TARGET_POWERPC64. Only restore the FP registers which were used
5675 if they are being saved/restored one-at-a-time.
5676 (output_mi_thunk): Delete inefficient code generation.
5677 (output_function_profiler): Don't use rs6000_output_load_toc_table.
5678 * rs6000.h: Declare rs6000_emit_load_toc_table,
5679 rs6000_allocate_stack_space, stmw_operation. Don't declare
5680 rs6000_output_load_toc_table.
5681 * rs6000.md (elf_high): Allow register 0, but discourage it
5683 (elf_low): Support loading into register 0.
5684 (load_toc_aix_si): New pattern.
5685 (load_toc_aix_di): New pattern.
5686 (load_toc_v4_pic_si): New pattern.
5687 (load_toc_v4_pic_di): New pattern.
5688 (load_toc_v4_PIC_1): New pattern.
5689 (load_toc_v4_PIC_1b): New pattern.
5690 (load_toc_v4_PIC_2): New pattern.
5691 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
5692 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
5693 (prologue): New expander.
5694 (movesi_from_cr): New pattern.
5695 (stmw): New pattern.
5696 (save_fpregs_si): New pattern.
5697 (save_fpregs_di): New pattern.
5699 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5701 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
5706 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5708 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
5710 (movsi_got_internal): Likewise.
5711 (movsi_got_internal+1): Likewise.
5712 (set_sp): 'unspec 7' does a SImode clobber.
5714 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5716 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
5717 allocate a stack temporary.
5718 (floatsidf2_internal): Likewise.
5719 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
5721 (floatunssidf2): Don't use the fpmem "register", just
5722 allocate a stack temporary.
5723 (floatunssidf2_internal): Likewise.
5724 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
5726 (floatsidf2_loadaddr): Delete.
5727 (floatsidf2_store1): Delete.
5728 (floatsidf2_store2): Delete.
5729 (floatsidf2_load): Delete.
5730 (fix_truncdfsi2): Don't use the fpmem "register", just
5731 allocate a stack temporary.
5732 (fix_truncdfsi2_internal_si): Delete.
5733 (fix_truncdfsi2_internal_di): Delete.
5734 (fix_truncdfsi2_internal): New insn.
5735 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
5736 (fix_truncdfsi2_store): Delete.
5737 (fix_truncdfsi2_load): Delete.
5738 (fctiwz): Produce gen_fctiwz.
5740 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5742 * eabi.h (INVOKE__main): Define.
5743 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
5745 (rs6000_emit_prologue): Likewise.
5746 * rs6000.h (struct rs6000_stack): Don't keep track of whether
5747 this is the main program.
5749 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5751 * rs6000.c (rs6000_va_arg): Delete some unused variables.
5753 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5755 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
5756 goes after the argument.
5758 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5760 * rs6000.md: Document 'unspec' values used.
5761 (epilogue): New expander.
5762 (movesi_to_cr_one): New expander.
5763 (movesi_to_cr and following): New pattern.
5765 (return_internal_si): New pattern.
5766 (return_internal_di): New pattern.
5767 (return_and_restore_fpregs_si): New pattern.
5768 (return_and_restore_fpregs_di): New pattern.
5769 * rs6000.h: Declare new functions.
5770 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
5771 rather than rs6000_calls_p.
5772 (rs6000_makes_calls): Delete.
5773 (lmw_operation): New function.
5774 (mtcrf_operation): New function.
5775 (rs6000_emit_epilogue): New function.
5776 (output_epilog): Call rs6000_emit_epilogue and final if
5777 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
5779 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5781 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
5782 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
5783 * aix.h (SUBTARGET_SWITCHES): Document switches.
5784 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
5785 sched-prolog and sched-epilog the same. Document all the
5787 (TARGET_OPTIONS): No longer allow -mdebug-.
5789 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5791 * rs6000.h (ASM_FILE_END): Move to aix.h.
5792 (EXTRA_SECTIONS): Move to aix.h.
5793 (READONLY_DATA_SECTION): Move to aix.h.
5794 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
5795 (SELECT_SECTION): Move to aix.h.
5796 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
5797 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
5798 (LINK_REGISTER_REGNUM): New definition.
5799 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
5800 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
5802 * sysv4.h: Delete the code between the inclusion of rs6000.h
5804 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
5805 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
5806 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
5807 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
5808 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
5809 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
5810 (fix_truncdfsi2_internal_di): New pattern.
5811 (fix_truncdfsi2_store): The second arg here is Pmode too.
5812 (fix_truncdfsi2_load): The second arg here is Pmode too.
5813 (tablejumpdi): Now that switch tables hold only SImode values,
5814 gcc needs to know how to add them to the pc which is DImode.
5815 * rs6000.c (rs6000_stack_info): Use symbolic name for
5816 LINK_REGISTER_REGNUM.
5817 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
5818 (output_toc): Delete unused variables s1 and s2.
5819 (output_ascii): Use fputs not fprintf on a variable string.
5821 2000-01-07 David Edelsohn <edelsohn@gnu.org>
5823 * rs6000.c (processor_target_table): Add power3 as alias for 630.
5824 * aix43.h: Revert Aug 2 change.
5825 (HAS_INIT_SECTION): Define, not visible yet.
5826 (LD_INIT_SWITCH): Define, not visible yet.
5827 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
5829 2000-01-04 Joel Sherrill (joel@OARcorp.com>
5831 * config/rs6000/rtems.h: Include config/rtems.h.
5833 2000-01-04 David Edelsohn <edelsohn@gnu.org>
5835 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
5836 (SLOW_UNALIGNED_ACCESS): Define.
5837 (CASE_VECTOR_MODE): Always use 32-bit offsets.
5838 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
5839 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
5840 (toc_section): Likewise and .toc pseudo-op.
5841 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
5843 (TEXT_SECTION_ASM_OP): Likewise.
5844 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
5847 1999-12-17 Jakub Jelinek <jakub@redhat.com>
5849 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
5850 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
5853 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5855 * rs6000.h: Move more stuff from here...
5857 * sysv4.h: Cleanup accordingly.
5858 * netware.h: Likewise
5860 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5862 * rs6000.h: Continue cleanup.
5865 * netware.h: Likewise.
5867 * sysv4.h: Likewise.
5868 * win-nt.h: Likewise.
5870 * rs6000.h (TARGET_SWITCHES): Add descriptions.
5871 (TARGET_OPTIONS): Likewise.
5873 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
5874 (SUBTARGET_OPTIONS): Likewise.
5876 * rs6000.md: Fix compile time warnings.
5878 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5880 vxworks patches from the Cygnus tree originally by
5881 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
5882 <vmakarov@cygnus.com>.
5883 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
5884 (ENDFILE_SPEC): Likewise.
5885 (LIB_VXWORKS_SPEC): New macro.
5886 (STARTFILE_VXWORKS_SPEC): New macro.
5887 (ENDFILE_VXWORKS_SPEC): New macro.
5888 (LINK_START_VXWORKS_SPEC): New macro.
5889 (LINK_OS_VXWORKS_SPEC): New macro.
5890 (CPP_OS_VXWORKS_SPEC): New macro.
5891 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
5892 * vxppc.h: Rewrite to use proper configuration method.
5893 * vxppcle.h: New file.
5894 * ../../configure.in: Add powerpcle-wrs-vxworks*.
5895 * ../../configure: Rebuilt.
5897 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5899 Lots of changes to rs6000.h, sysv4.h, aix.h,
5900 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
5901 with the aim that rs6000.h is the first header
5902 included and the others override it.
5905 * x-aix41-gld: Remove.
5907 * x-aix41: Remove target-specific switches, and don't specify
5908 -Wl,-bbigtoc as we don't need it any more.
5909 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
5910 Use t-aix43 for AIX 4.3 and above.
5911 * ../../configure: Regenerated.
5913 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
5914 options, that don't do anything yet.
5915 (MASK_SCHED_PROLOG): New macro.
5916 (MASK_SCHED_EPILOG): New macro.
5917 (TARGET_SCHED_PROLOG): New macro.
5918 (TARGET_SCHED_EPILOG): New macro.
5920 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5922 * rs6000.c: Correct comment, the `minimal' TOCs are actually
5923 one per translation unit, not one per function.
5924 (output_toc): Also do duplicate constant elimination
5925 for per-translation-unit TOCs.
5927 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
5928 a comment explaining _exactly_ when this pattern gets used.
5929 (builtin_setjmp_receiver): New pattern for better clarity.
5930 (init_v4_pic): Move it into a section dealing with TOC registers.
5932 1999-12-30 Geoff Keating <geoffk@cygnus.com>
5934 * rs6000.c (toc_hash_table): New variable.
5935 (rs6000_hash_constant): New function.
5936 (toc_hash_function): New function.
5937 (toc_hash_eq): New function.
5938 (toc_hash_mark_entry): New function.
5939 (toc_hash_mark_table): New function.
5940 (output_toc): Don't output duplicate TOC entries in
5942 (rs6000_add_gc_roots): Add the hash table as a GC root.
5943 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
5944 where they clearly shouldn't be. This may need to be fixed
5945 later when there is a GNU ar for AIX.
5946 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
5947 Don't define BOOT_LDFLAGS as it is now not necessary.
5949 1999-12-29 Geoff Keating <geoffk@cygnus.com>
5951 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
5952 for va_list on AIX. Use unsigned_char_type_node rather than
5953 constructing our own version on svr4.
5955 1999-12-17 Geoff Keating <geoffk@cygnus.com>
5957 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
5958 since patently it's not.
5960 1999-12-08 Geoff Keating <geoffk@cygnus.com>
5962 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
5963 define_expand/define_insn pair, and handle restore of the
5964 SVR4 -fpic register.
5966 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
5968 * acconfig.h (HAVE_GAS_WEAK): New define.
5969 * configure.in (assembler weak support): Check for .weak support.
5970 * config.in, configure: Rebuilt.
5971 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
5972 HAVE_GAS_WEAK is defined.
5974 2000-03-15 Nick Clifton <nickc@cygnus.com>
5976 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
5979 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
5981 * cppfiles.c (open_include_file): New function.
5982 (find_include_file, cpp_read_file): Use it.
5984 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5986 * cpphash.c (dump_hash_helper): Take the slot, not the element.
5988 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
5990 * flow.c (verify_flow_info): Check for unconditional return.
5992 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
5994 * config/ia64/ia64.md (restore_stack_nonlocal): New.
5995 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
5996 (__ia64_restore_stack_nonlocal): New.
5997 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
5999 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6001 * cpphash.c (collect_formal_parameters): Do not complain about
6002 parameter names that just start with `__VA_ARGS__'.
6004 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
6006 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
6007 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
6008 * i386.c (pentiumpro_cost): Set mul cost to 4.
6009 (x86_use_movx): Set for PPro.
6011 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
6013 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
6014 STACK_BOUNDARY for empty frames now.
6016 2000-03-14 Mark Mitchell <mark@codesourcery.com>
6018 * stor-layout.c (layout_union): Remove.
6019 (layout_union_field): New function, split out from layout_union.
6020 (finish_union_layout): Likewise.
6021 (layout_field): Handle unions by calling layout_union_field.
6022 (finish_record_layout): Handle unions.
6023 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
6024 QUAL_UNION_TYPE handling.
6026 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
6028 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
6029 end of basic block is jump_insn, not barrier; use create_basic_block
6030 instead of creating basic block by hand.
6032 2000-03-14 Jason Eckhardt <jle@cygnus.com>
6034 * flow.c (reorder_basic_blocks): Account for barriers when writing
6035 over NEXT_INSN (last_bb->end).
6036 (verify_flow_info): Add check for missing barriers.
6038 2000-03-14 Greg McGary <gkm@gnu.org>
6040 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
6041 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
6042 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
6043 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
6044 __unbounded, __unbounded__): New keywords.
6045 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
6046 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
6047 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
6049 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
6051 * cselib.h: New file.
6052 * alias.c: Include "cselib.h".
6053 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
6054 MEMs as two new arguments.
6055 (get_addr): New static function.
6056 (find_base_term): Handle VALUEs.
6057 (memrefs_conflict_p): Likewise.
6058 (true_dependence): Call get_addr on the addresses.
6059 Call fixed_scalar_and_varying_struct_p with addresses that have been
6060 passed through get_addr and canon_rtx.
6061 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
6062 with true_dependence.
6063 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
6064 * loop.c: Include "cselib.h".
6065 (load_mems): Process extended basic block that enters the loop with
6066 cselib. Use that information to change initialization of the shadow
6067 register so that a constant equivalence is seen by later passes.
6068 * reload1.c: Include "cselib.h".
6069 (reload_cse_invalidate_regno): Delete function.
6070 (reload_cse_mem_conflict_p): Likewise.
6071 (reload_cse_invalidate_mem): Likewise.
6072 (reload_cse_invalidate_rtx): Likewise.
6073 (reload_cse_regno_equal_p): Likewise.
6074 (reload_cse_check_clobber): Likewise.
6075 (reload_cse_record_set): Likewise.
6076 (reg_values): Delete static variable.
6077 (invalidate_regno_rtx): Likewise.
6078 (reload_cse_delete_noop_set): New static function.
6079 (reload_cse_simplify): New static function, broken out of
6081 (reload_cse_noop_set_p): Delete unused argument INSN.
6082 Just call rtx_equal_for_cselib_p on set source and destination.
6083 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
6084 reload_cse_delete_noop_set. Delete code to keep track of values; use
6085 cselib functions instead. Delete code to push/pop obstacks.
6086 (reload_cse_simplify_set): Use cselib to find equivalent values.
6087 Delete code to push/pop obstacks.
6088 (reload_cse_simplify_operands): Likewise.
6089 * rtl.def (VALUE): New rtx code.
6090 * rtl.h (union rtunion_def): New elt rt_cselib.
6091 (X0CSELIB, CSELIB_VAL_PTR): New macros.
6092 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
6093 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
6094 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
6095 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
6096 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
6097 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
6098 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
6099 cselib_record_set, cselib_record_sets): New static functions.
6100 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
6101 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
6102 references_value_p): New functions.
6103 (MAX_USELESS_VALUES, REG_VALUES): New macros.
6104 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
6105 n_useless_values, reg_values, callmem, cselib_obstack,
6106 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
6107 New static variables.
6108 * varray.h (union varray_data_tag): New elt te.
6109 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
6110 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
6113 2000-03-14 Nick Clifton <nickc@cygnus.com>
6115 * gcc.c (do_spec_1): Catch the case where %* is used in a
6116 substitution pattern, but it has not been initialised.
6117 Issue a meaningful error message if an unrecognised operator
6118 is encountered in a spec string.
6120 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
6122 * function.c (prepare_function_start): Correctly initialize
6123 cfun->stack_alignment_needed.
6125 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
6127 * cppfiles.c (find_include_file): Don't assume nshort is a
6130 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
6132 * configure.in (hppa configurations): Add pa32-regs.h to the
6133 list of tm files as appropriate.
6134 * configure: Rebuilt.
6135 * pa.c (compute_frame_size): Remove explicit knowledge about FP
6137 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
6138 (fmpyaddoperands, fmpysuboperands): Likewise.
6139 * pa.h: Remove various definitions which depend on knowing
6140 how registers are numbered.
6141 * pa32-regs.h: New file with PA32 register numbering specific
6144 2000-03-14 Richard Henderson <rth@cygnus.com>
6146 * regmove.c (combine_stack_adjustments): New.
6147 (stack_memref_p, single_set_for_csa): New.
6148 (free_csa_memlist, record_one_stack_memref): New.
6149 (try_apply_stack_adjustment): New.
6150 (combine_stack_adjustments_for_block): New.
6151 * rtl.h (combine_stack_adjustments): Declare.
6152 * toplev.c (rest_of_compilation): Call it.
6154 * i386.md: Revert 2000-01-16 change.
6156 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6158 * gccbug.in: Add web category, gcc specific classes.
6160 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
6162 * stor-layout.c (finalize_record_size): Fix typo.
6164 2000-03-14 Stan Shebs <shebs@apple.com>
6166 * c-typeck.c (c_alignof): Error on incomplete types.
6167 * extend.texi (Alignment): Document this.
6169 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6171 * cppfiles.c: Include mkdeps.h.
6172 (find_include_file, read_include_file): Remove _cpp_ prefix
6173 from name, make static.
6174 (_cpp_execute_include): New function, broken out of
6177 * cpplib.c: Don't include mkdeps.h.
6178 (struct directive): Remove type field. Reorder entries. The
6179 function takes only one argument.
6180 (struct if_stack): Make type field an int.
6181 (directive_table): Rename to dtable. Generate it, the
6182 prototypes of the directive handlers, and the enum for the
6183 directive numbers, from a template macro.
6184 (do_ifndef, do_include_next, do_import): New functions.
6185 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
6186 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
6187 do_ident, do_assert, do_unassert, do_sccs): Take only one
6189 (do_sccs): Define always, but alter behavior based on
6191 (_cpp_handle_directive, consider_directive_while_skipping):
6192 Restructure for new directive table layout.
6194 (pass_thru_directive): Take a directive number, not a pointer
6195 to a struct directive.
6196 (parse_include): New function, broken out of do_include.
6197 (do_include, do_import, do_include_next): Use parse_include
6198 and _cpp_execute_include.
6199 (do_elif, do_else): Test for T_ELSE specifically when checking
6200 for #elif/#else after #else.
6201 (parse_ifdef): New function, broken out of do_ifdef.
6202 (validate_else): Expect a name arg without a leading #.
6203 (if_directive_name): Delete.
6204 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
6205 directive handlers with only one argument.
6207 * cpphash.h: Update prototypes.
6208 (enum node_type): Remove entries for directives.
6209 * Makefile.in: Update dependencies.
6211 * cpphash.c (dump_hash_helper): Only dump nodes of type
6212 T_MACRO. Emit a newline after each definition.
6214 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6216 * gccbug.in: New file.
6217 * configure.in (all_outputs): Add gccbug.
6218 * Makefile.in (install-common): Install gccbug.
6219 (GCCBUG_INSTALL_NAME): New variable.
6220 * configure: Rebuilt.
6222 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
6224 * function.c (put_var_into_stack): Use type_for_mode to calculate
6225 part_type. Use MEM_SET_IN_STRUCT_P.
6226 * expr.c (store_field): Handle CONCAT.
6227 (store_constructor): Use fields_length.
6228 * tree.c (fields_length): New fn.
6229 * tree.h: Declare it.
6231 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6233 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
6234 (cpplex.o): New target.
6235 * po/POTFILES.in: Add cpplex.c.
6237 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
6238 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
6239 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
6240 skip_block_comment, skip_line_comment, skip_comment,
6241 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
6242 _cpp_parse_name, skip_string, parse_string,
6243 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
6244 _cpp_get_directive_token, find_position,
6245 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
6246 (maybe_macroexpand, _cpp_lex_token): New functions.
6248 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
6249 parse_goto_mark): Delete.
6250 (_cpp_handle_eof): New function.
6251 (_cpp_handle_directive): Rename from handle_directive.
6252 (_cpp_output_line_command): Rename from output_line_command.
6253 (do_if, do_elif): Call _cpp_parse_expr directly.
6254 * cppfiles.c (_cpp_read_include_file): Don't call
6255 init_input_buffer here.
6256 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
6257 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
6258 here; pop the token_buffer and skip the rest of the line here.
6259 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
6262 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
6264 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
6265 CPP_GOTO_MARK): New macros.
6266 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
6267 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
6268 _cpp_read_and_prescan, _cpp_init_input_buffer,
6269 _cpp_grow_token_buffer, _cpp_get_directive_token,
6270 _cpp_handle_directive, _cpp_handle_eof,
6271 _cpp_output_line_command): Prototype them here.
6272 * cpplib.h (enum cpp_token): Add CPP_MACRO.
6273 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
6274 quote_string, output_line_command): Remove.
6276 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
6278 * stmt.c (expand_end_case): RANGE may be signed, and when checking
6279 whether it is too large we must also verify that it isn't negative.
6281 2000-03-13 Jakub Jelinek <jakub@redhat.com>
6283 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
6284 (movsi_zero_liveg0): Remove.
6285 (movsf_insn_novis_liveg0): Remove.
6287 (negsi2_not_liveg0): Rename to negsi2.
6288 (one_cmplsi2): Remove.
6289 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
6290 (one_cmplsi2_liveg0): Remove.
6291 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
6292 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
6293 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
6294 (PREDICATE_CODES): Remove zero_operand.
6295 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
6296 TARGET_BROKEN_SAVERESTORE.
6297 (zero_operand): Remove.
6298 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
6299 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
6301 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
6302 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
6303 TARGET_BROKEN_SAVERESTORE): Remove.
6304 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6306 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6308 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6311 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
6313 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6315 * cpplib.c (do_pragma_implementation): Fix off-by-one error
6316 truncating a string. Don't assume tokens are nul terminated.
6317 Problem noted by Andreas Jaeger <aj@suse.de>
6319 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
6321 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
6322 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
6323 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
6325 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
6327 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
6328 STRUCTURE_SIZE_BOUNDARY.
6330 2000-03-13 Mark Mitchell <mark@codesourcery.com>
6332 * tree.h (record_layout_info_s): New structure.
6333 (record_layout_info): New type.
6334 (new_record_layout_info): New function.
6335 (layout_field): Likewise.
6336 (finish_record_layout): Likewise.
6337 * stor-layout.c (layout_record): Remove.
6338 (new_record_layout_info): New function.
6339 (layout_field): New function, broken out from layout_record.
6340 (finalize_record_size): Likewise.
6341 (compute_record_mode): Likewise.
6342 (finalize_type_size): New function, broken out from layout_type.
6343 (finish_record_layout): Likewise.
6344 (layout_type): Use them.
6346 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6348 * cpphash.c: Don't include version.h.
6349 (special_symbol) [case T_VERSION]: Look for the string in
6350 hp->value.cpval; don't use version_string.
6351 * cppinit.c (initialize_builtins): Set hp->value.cpval for
6352 __VERSION__ to version_string.
6353 * Makefile.in (cpphash.o): Update deps.
6355 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6357 Convert cpplib to use libiberty/hashtab.c.
6359 * cpplib.h (struct cpp_reader): Make hashtab and
6360 all_include_files of type 'struct htab *'. Delete HASHSIZE
6361 and ALL_INCLUDE_HASHSIZE macros.
6363 * cpphash.h: Update prototypes.
6364 (struct hashnode): Remove next, prev, and bucket_hdr members.
6365 Make length a size_t. Add hash member.
6366 (struct ihash): Remove next member. Add hash member. Make
6367 name a flexible array member.
6369 * cppfiles.c: Include hashtab.h.
6370 (include_hash): Delete.
6371 (IHASHSIZE): New macro.
6372 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
6373 (cpp_included): Do the hash lookup here.
6374 (_cpp_find_include_file): Rewrite.
6375 (cpp_read_file): Put the "fake" hash entry into the hash
6376 table. Honor the control_macro, if it turns out we've seen
6377 the file before. Don't push the buffer here.
6378 (_cpp_read_include_file): Push the buffer here.
6379 (OMODES): New macro. Use it whenever we call open(2).
6381 * cpphash.c: Include hashtab.h.
6382 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
6383 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
6384 _cpp_lookup_slot): New functions.
6385 (HASHSIZE): new macro.
6386 (hashf, _cpp_install, _cpp_delete_macro): Delete.
6387 (_cpp_lookup): Use hashtab.h routines.
6389 * cppinit.c: Include hashtab.h.
6390 (cpp_reader_init): Call _cpp_init_macro_hash and
6391 _cpp_init_include_hash. Don't allocate hashtab directly.
6392 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
6393 pfile->all_include_files.
6394 (initialize_builtins): Use _cpp_make_hashnode and
6395 htab_find_slot to add hash entries.
6396 (cpp_finish): Just call _cpp_dump_macro_hash.
6397 * cpplib.c: Include hashtab.h.
6398 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
6399 create hash entries.
6400 (do_pragma_poison, do_assert): Likewise.
6401 (do_include): Don't push the buffer here. Don't increment
6402 system_include_depth unless _cpp_read_include_file succeeds.
6403 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
6405 (do_pragma_implementation): Use alloca to create copy.
6407 * Makefile.in: Update dependencies.
6409 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6411 * cppinit.c (cl_directive_handler): More K&R fixing.
6413 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
6415 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
6417 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
6419 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6421 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
6422 Change from char[] to macros.
6424 2000-03-12 Neil Booth <NeilB@earthling.net>
6426 * cppinit.c (cpp_start_read): Update indirect function
6429 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
6431 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
6434 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
6435 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
6437 2000-03-11 Neil Booth <NeilB@earthling.net>
6439 * cppinit.c (struct pending option): Replace undef with a
6440 pointer to a directive handling routine.
6441 (struct cpp_pending): Replace separate assert_ and define_
6442 lists with one directive_ list.
6443 (new_pending_define): Rename new_pending_directive. Extra
6444 argument is the directive's handling routine.
6445 (handle_option): Update to use new_pending_directive.
6447 2000-03-11 Neil Booth <NeilB@earthling.net>
6449 * cppfiles.c (file_cleanup, _cpp_find_include_file,
6450 remap_filename, _cpp_read_include_file, actual_directory,
6451 hack_vms_include_specification): Replace bcopy(), index() etc
6452 calls. Add casts to some allocations. Make some variables
6453 pointers to const [unsigned] char.
6454 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
6455 collect_formal_parameters): Similarly.
6456 * cppinit.c (struct pending_option, append_include_chain,
6457 cpp_options_init, cpp_reader_init, initialize_standard_includes,
6458 cpp_start_read, new_pending_define, handle_option): Similarly.
6459 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
6460 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
6461 do_pragma_implementation, detect_if_not_defined,
6462 do_ifdef, skip_if_group, cpp_get_token, parse_string,
6463 do_assert, do_unassert): Similarly.
6464 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
6465 function prototypes.
6466 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
6468 2000-03-10 Richard Henderson <rth@cygnus.com>
6470 * builtins.c (expand_builtin_strlen): Revert last change.
6471 Use emit_insn_before if we're at the beginning of a sequence.
6473 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
6475 * builtins.c (expand_builtin_strlen): Make sure that we have something
6476 at the beginning of the sequence.
6478 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
6481 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
6483 2000-03-10 Richard Henderson <rth@cygnus.com>
6485 * except.c (can_throw): Use INTVAL on a CONST_INT.
6486 (reachable_handlers): Likewise.
6487 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
6489 2000-03-10 Andreas Jaeger <aj@suse.de>
6491 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
6492 MD_STARTFILE_PREFIX since those are not needed on linux.
6493 (ASM_FILE_START): New, from mips/gnu.h.
6495 2000-03-09 Richard Henderson <rth@cygnus.com>
6496 Alex Samuel <samuel@codesourcery.com> and others
6498 * Makefile.in (ssa.o): New rule.
6500 (STAGESTUFF): Add *.ssa and *.ussa.
6501 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
6502 * rtl.def (PHI): New RTL expression.
6503 * rtl.h (clear_log_links): New declaration.
6504 (convert_to_ssa): Likewise.
6505 (convert_from_ssa): Likewise.
6506 * flow.c (split_edge): If the entry node falls through to the
6507 split edge's source block, split the entry edge.
6508 (clear_log_links): New function.
6509 * toplev.c (ssa_dump): New variable.
6510 (flag_ssa): Likewise.
6511 (f_options): Add "ssa".
6512 (compile_file): Create SSA dump files.
6513 (rest_of_compilation): Go to and from SSA if enabled.
6514 (decide_d_option): Handle -de for SSA dump files.
6517 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
6519 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
6522 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
6524 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
6526 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
6528 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
6529 (MD_STARTFILE_PREFIX_1): New macro.
6531 2000-03-09 Robert Lipe <robertl@sco.com>
6533 * config/ia64/ia64.c: Include system.h.
6535 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6537 * except.c (nothrow_function_p): If -fno-exceptions, just return.
6538 (init_eh_nesting_info): Likewise.
6540 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
6541 (TREE_NOTHROW): Rename from TREE_RAISES.
6542 * toplev.c (rest_of_compilation): Set it.
6543 * print-tree.c (print_node): Adjust.
6544 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
6545 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
6546 * calls.c (emit_call_1): Add 'nothrow' parm. Add
6547 REG_EH_REGION note as appropriate.
6548 (libfunc_nothrow): New fn.
6549 (emit_library_call, emit_library_call_value): Use it.
6550 (expand_call): Check TREE_NOTHROW.
6552 * varasm.c (make_decl_rtl): Skip initial '*' when setting
6553 DECL_ASSEMBLER_NAME.
6555 2000-03-09 Andreas Jaeger <aj@suse.de>
6557 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
6558 (TARGET_MEM_FUNCTIONS): Define.
6560 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6562 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
6564 * except.c (can_throw): See through a SEQUENCE.
6565 (nothrow_function_p): New fn.
6566 * except.h: Declare it.
6567 * function.c (current_function_nothrow): New var.
6568 (prepare_function_start): Initialize it.
6569 * output.h: Declare it.
6570 * toplev.c (rest_of_compilation): Set it.
6571 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
6573 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
6575 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
6576 match. (cpp_compare_defs): Count the nul separator when
6577 advancing over argument names.
6579 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
6581 * recog.c (preprocess_constraints): Matching constraints affect
6582 same alternative/different operand, not same operand/different
6585 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
6586 register and a constant specially.
6588 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6590 * libgcc2.h: New file.
6591 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
6593 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
6595 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
6596 * configure: Regenerate.
6599 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6601 * Makefile.in (LIBCPP_DEPS): New macro.
6602 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
6604 * cpperror.c: Include cpphash.h.
6605 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
6607 (lex): Don't use CPP_WARN_UNDEF.
6608 (_cpp_parse_expr): Return an int, the truth value.
6609 * cppfiles.c: Include cpphash.h.
6610 (_cpp_merge_include_chains): Move to cppinit.c and make static.
6611 * cppinit.c (include_defaults_array): Disentangle.
6612 (cpp_cleanup): Don't free the if stack here.
6613 (cpp_finish): Pop off all buffers, not just one.
6614 * cpplib.c (eval_if_expr): Return int.
6615 (do_xifdef): Rename do_ifdef.
6616 (handle_directive): Don't use CPP_PREPROCESSED.
6617 (cpp_get_token): Don't use CPP_C89.
6618 * fix-header.c: Don't use CPP_OPTIONS.
6620 * cpplib.h: Move U_CHAR, enum node_type, struct
6621 file_name_list, struct ihash, is_idchar, is_idstart,
6622 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
6623 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
6624 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
6625 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
6626 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
6627 of _cpp_simplify_pathname, _cpp_find_include_file,
6628 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
6629 Move struct if_stack to cpplib.c. Move struct cpp_pending to
6631 Change all uses of U_CHAR to be unsigned char instead.
6632 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
6634 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6636 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
6637 (dwarf2out_begin_prologue): Set it.
6638 (output_call_frame_info): Don't emit EH unwind info for leaves.
6640 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
6641 can occur outside of an EH region.
6642 * except.c: Correct comments about rethrow behavior.
6643 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
6645 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
6647 * flow.c (make_edges): Always call make_eh_edge for calls.
6649 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6651 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
6652 (struct cpp_buffer): Remove fname and underflow fields.
6653 (struct cpp_reader): Remove get_token field.
6654 (struct include_hash): Rename to struct ihash. Add typedef to
6656 (struct if_stack): Remove fname field.
6657 (IF_STACK_FRAME): Rename to IF_STACK.
6659 * cpperror.c (print_containing_files): Trust that there are no
6660 macro buffers below the top file buffer.
6661 * cppfiles.c: Replace all references to 'struct include_hash'
6662 with 'IHASH'. Rename initialize_input_buffer to
6663 init_input_buffer. Don't set or reference cpp_buffer->fname,
6664 use buffer->ihash->name instead.
6665 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
6666 not CPP_NULL_BUFFER.
6667 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
6668 IF_STACK_FRAME, IHASH not struct include_hash.
6669 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
6670 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
6671 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
6672 references to cpp_buffer->fname (delete entirely, or use
6673 ->ihash->name instead) and IF_STACK->fname.
6674 (cpp_push_buffer): Don't set new->underflow.
6675 (do_include): Use cpp_file_buffer.
6677 * cpphash.c (collect_formal_parameters): Remove duplicate
6678 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
6679 used as a macro argument name. Don't append "..." to namebuf
6680 for varargs macros. After we're done scanning, go through
6681 namebuf and make it NUL separated, not comma separated.
6682 (_cpp_compare_defs): Remove register tag from variables.
6683 Expect defn->argnames to be NUL separated.
6684 (_cpp_dump_definition): Expect defn->argnames to be NUL
6685 separated and in forward order.
6686 * cpphash.h: Update documentation of argnames field.
6688 2000-03-08 Richard Henderson <rth@cygnus.com>
6690 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
6691 to fail. Don't pre-expand the source operand.
6693 * i386.md (strlensi): Initialize eoschar and align before use.
6695 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6697 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
6698 CONSTRUCTOR element.
6700 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
6702 * mips.c (mips_expand_prologue): If the last
6703 named argument is the vararg marker "va_list", treat it as
6704 an unnamed argument.
6706 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
6708 * dbxout.c (dbxout_parms): When correcting for promoted
6709 big-endian parameters, use the mode of the DECL_RTL rather
6710 than UNITS_PER_WORD.
6712 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
6714 * c-common.h (make_fname_decl): Declare.
6715 * c-common.c (make_fname_decl): Define.
6716 (declare_hidden_char_array): Remove.
6717 (declare_function_name): Use make_fname_decl.
6718 * c-decl.c (c_make_fname_decl): New function.
6719 (init_decl_processing): Set make_fname_decl.
6721 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
6723 * cccp.c (handle_directive): Initialize backslash_newlines_p.
6725 2000-03-07 Philipp Thomas <pthomas@suse.de>
6727 * po/POTFILES.in: Remove cppalloc.c from file list.
6729 2000-03-07 Steve Chamberlain <sac@pobox.com>
6731 * pj.c (pj_expand_prologue): current_function->args_info is
6732 now current_function_args_info.
6734 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
6735 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
6736 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
6738 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6740 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
6741 output as hexadecimal rather than the default octal.
6743 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6745 * cpphash.c (special_symbol): Fix thinko in previous commit.
6747 2000-03-07 Neil Booth <NeilB@earthling.net>
6749 * cppexp.c (struct operation, left_shift, right_shift,
6750 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
6751 "int"s to "unsigned int"s.
6752 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
6754 * cpplib.h: Update for above.
6755 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
6756 returned from allocations.
6758 * cppinit.c (opt_comp, parse_options): New functions.
6759 (handle_option): Use parse_option to parse a single command
6760 line option, that possibly takes an argument.
6761 (cpp_handle_options): Sort the array of command line options on
6762 first invocation (non-ASCII hosts only).
6763 (print_help): Update.
6765 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6767 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
6768 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
6770 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
6772 * cppinit.c (cpp_cleanup): Free imp->nshort also.
6774 * cpperror.c (cpp_print_containing_files,
6775 cpp_print_file_and_line, v_cpp_message): Rename to
6776 print_containing_files, print_file_and_line, and v_message.
6777 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
6778 to _cpp_parse_expr, parse_escape, and lex.
6779 (parse_charconst): Remove broken multibyte support.
6780 * cppfiles.c (include_hash): Make static.
6781 (cpp_included): New function.
6782 (merge_include_chains, find_include_file, finclude,
6783 simplify_pathname): Rename to _cpp_merge_include_chains,
6784 _cpp_find_include_file, _cpp_read_include_file, and
6785 _cpp_simplify_pathname.
6786 * cpphash.c (cpp_lookup, free_definition, delete_macro,
6787 cpp_install, create_definition, macroexpand, compare_defs,
6788 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
6789 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
6790 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
6791 * cppinit.c (cpp_handle_option): Rename to handle_option, make
6793 * cpplib.c: Remove extern prototype of cpp_parse_expr.
6795 * cpphash.h: Update prototypes.
6796 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
6798 2000-03-07 Andrew Haley <aph@cygnus.com>
6800 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
6801 PTRDIFF_TYPE should be based solely on Pmode.
6804 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6806 * rtl.h (rtunion_def): Constify member `rtstr'.
6807 (emit_line_note_after, emit_line_note, emit_line_note_force,
6808 emit_note, decode_asm_operands): Constify.
6810 * cse.c (canon_hash): Likewise.
6812 * dbxout.c (dbxout_block): Likewise.
6814 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
6815 v_warning_for_asm): Likewise.
6817 * dwarfout.c (function_start_label): Likewise.
6819 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
6820 emit_line_note_force): Likewise.
6822 * final.c (last_filename, asm_insn_count, final_scan_insn,
6823 output_source_line): Likewise.
6825 * function.h (struct emit_status): Likewise.
6827 * gcse.c (hash_expr_1): Likewise.
6829 * genattr.c (gen_attr, main): Likewise.
6831 * genattrtab.c (struct function_unit, current_alternative_string,
6832 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
6833 attr_numeral, check_attr_test, check_attr_value,
6834 convert_set_attr_alternative, convert_set_attr,
6835 compute_alternative_mask, simplify_by_exploding, gen_attr,
6836 gen_unit): Likewise.
6838 * genflags.c (gen_insn): Likewise.
6840 * gengenrtl.c (type_from_format): Likewise.
6842 * genopinit.c (gen_insn): Likewise.
6844 * genoutput.c (n_occurrences, process_template, process_template):
6847 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6850 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6853 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
6854 ggc_set_mark, ggc_get_size): Likewise.
6856 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
6858 * optabs.c (init_one_libfunc): Likewise.
6860 * output.h (assemble_start_function): Likewise.
6862 * recog.c (decode_asm_operands): Likewise.
6864 * toplev.c (rest_of_compilation): Likewise.
6866 * tree.h (emit_line_note_after, emit_line_note,
6867 emit_line_note_force): Likewise.
6869 * varasm.c (asm_output_bss, asm_output_aligned_bss,
6870 asm_emit_uninitialised, assemble_start_function,
6871 assemble_variable, const_hash, compare_constant_1,
6872 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
6874 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
6876 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
6878 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
6880 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
6882 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
6883 arm_dllimport_name_p): Likewise.
6885 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
6888 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
6890 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6892 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
6893 arm_mark_dllexport, arm_mark_dllimport,
6894 arm_pe_encode_section_info): Likewise.
6896 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
6897 ASM_FINISH_DECLARE_OBJECT): Likewise.
6899 * arm/thumb.c (thumb_function_prologue): Likewise.
6901 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
6903 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6905 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
6907 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
6909 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
6911 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6913 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
6914 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
6916 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
6918 * i386/i386.c (asm_output_function_prefix): Likewise.
6920 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
6922 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6924 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
6926 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
6927 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
6928 ASM_OUTPUT_SECTION_NAME): Likewise.
6930 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
6932 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
6934 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
6936 * m32r/m32r.c (m32r_encode_section_info): Likewise.
6938 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6940 * mcore/mcore.c (mcore_encode_section_info): Likewise.
6942 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6944 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6946 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6948 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
6950 * mips/mips.md (movdi, movsi): Likewise.
6952 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6954 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6956 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6958 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
6959 ASM_OUTPUT_ASCII): Likewise.
6961 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
6962 output_mi_thunk, output_toc): Likewise.
6964 * rs6000/rs6000.md (movsi): Likewise.
6966 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
6968 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
6970 * v850/v850.c (print_operand, print_operand_address,
6971 v850_encode_data_area): Likewise.
6973 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
6975 * config/mips/mips.md (zero_extendsidi2): Always force operand
6976 one to memory for mips16.
6978 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6980 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
6981 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
6982 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
6983 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
6984 (min_precision): Result is unsigned.
6985 (add_double, neg_double, mul_double): Low word is unsigned.
6986 (lshift_double, rshift_double, lrotate_double): Likewise.
6987 (rrotate_double, div_and_round_double): Likewise.
6988 (tree_floor_log2, compare_tree_int): New functions.
6989 (preserve_rtl_expr_temps): New declaration.
6990 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
6991 (decl_attributes): Use tree_log2 to find alignment.
6992 Check for TREE_INT_CST_HIGH for format args.
6993 (min_precision): Now unsigned.
6994 Use tree_floor_log2.
6995 (truthvalue_conversion): Delete long-disabled code.
6996 * c-decl.c (finish_struct): Clean up tests on field width.
6997 (finish_function): Use compare_tree_int.
6998 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
6999 * c-typeck.c (comptypes): Use tree_int_cst_equal.
7000 (default_conversion, digest_init): Use compare_tree_int.
7001 (build_binary_op): Use integer_all_onesp and compare_tree_int.
7002 Fix type errors in forming masks.
7003 * calls.c (initialize_argument_information): Use compare_tree_int.
7004 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
7005 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
7006 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
7007 (store_field): Use compare_tree_int.
7008 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
7009 (expand_expr, case ARRAY_REF): Use compare_tree_int.
7010 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
7011 (do_store_flag): Use compare_tree_int.
7012 * fold-const.c (encode, decode): Low part is always unsigned.
7013 (force_fit_type, add_double, neg_double, mul_double): Likewise.
7014 (lshift_double, rshift_double, lrotate_double): Likewise.
7015 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
7016 (fold_convert): Use compare_tree_int.
7017 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
7018 (invert_truthvalue, case INTEGER_CST): Likewise.
7019 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
7020 * mkdeps.c (deps_dummy_targets): Make I unsigned.
7021 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
7022 (lshift_double, rshift_double, lrotate_double, rrotate_double):
7024 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
7025 (expand_end_case): Use compare_tree_int.
7026 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
7027 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
7028 (layout_decl): Likewise.
7029 (layout_record, layout_union): Make sizes unsigned.
7030 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
7031 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
7032 * tree.c (struct type_hash): hashcode is unsigned.
7033 (build_type_attribute_variant, type_hash_list): Likewise.
7034 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
7035 (attribute_hash_list, build_array_type, build_method_type): Likewise.
7036 (build_complex_type): Likewise.
7037 (real_value_from_int_cst): Remove unneeded casts.
7038 (integer_all_onesp): Add casts.
7039 (tree_floor_log2, compare_tree_int): New functions.
7040 (build_index_type): Use tree_int_cst_sgn.
7041 * varasm.c (assemble_variable): Use compare_tree_int.
7043 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
7045 * cpphash.c (collect_expansion): Also catch ## at start of macro.
7047 * varasm.c (make_decl_rtl): Don't add a number to members of
7049 (make_function_rtl): Likewise.
7051 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7053 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
7054 patch from 2000-01-28.
7056 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
7058 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
7059 filled with an insn from the jump target.
7061 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7063 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
7064 (c4x_external_ref): Likewise.
7065 * config/c4x/c4x.c (struct name_list): Likewise.
7067 1999-12-16 Ben Collins <bcollins@debian.org>
7069 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
7070 argument to genmultilib.
7071 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
7072 the contents into the multilib.h header.
7073 * gcc.c: Declare multilib_exclusions for the specs file.
7074 (set_multilib_dir): Use it.
7075 (print_multilib_info): Likewise.
7076 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
7077 to pass to genmultilib.
7079 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7081 * builtins.c (built_in_class_names, built_in_names): Constify a
7084 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
7086 (_mcleanup): Ensure value matches format specifier in sprintf.
7088 * cpphash.c (special_symbol): Don't needlessly cast away
7091 * cppinit.c (base_name): Delete unused prototype.
7093 * mkdeps.c (deps_init): Make definition K&R safe.
7095 * tree.h (built_in_class_names, built_in_names): Constify a
7098 2000-03-06 Jakub Jelinek <jakub@redhat.com>
7100 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
7101 floating point instructions for epilogue delay.
7103 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
7104 to gas if it supports .register pseudo.
7106 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
7107 LONG_DOUBLE_TYPE_SIZE if not defined.
7108 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
7109 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
7111 * gengenrtl.c: Likewise.
7112 * print-rtl.c: Likewise.
7114 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
7115 MASK_LONG_DOUBLE_128.
7116 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
7117 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
7118 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
7119 (SUBTARGET_SWITCHES): Define.
7120 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
7121 with -mlong-double-128.
7122 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
7123 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
7124 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
7125 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
7126 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
7127 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
7128 with -mlong-double-128.
7129 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
7130 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
7131 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
7132 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
7133 TARGET_LONG_DOUBLE_128): Define.
7134 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
7135 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
7136 long double on TARGET_ARCH64.
7138 2000-03-06 Mark Mitchell <mark@codesourcery.com>
7140 * function.c (free_temps_for_rtl_expr): Don't free slots
7141 that have been pushed into a higher level.
7144 2000-03-05 Mark Mitchell <mark@codesourcery.com>
7146 2000-03-05 Mark Mitchell <mark@codesourcery.com>
7148 * basic-block.h (ALLOCA_REG_SET): Remove.
7149 (INITIALIZE_REG_SET): New macro.
7150 * flow.c (update_life_info): Use it.
7151 (calculate_global_regs_live): Likewise.
7152 (propagate_block): Likewise.
7153 * global.c (build_insn_chain): Likewise.
7154 * haifa-sched.c (schedule_region): Likewise.
7156 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
7158 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
7159 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
7160 (DWARF_ARANGES_PAD_SIZE): New define.
7161 (output_aranges): Use it to pad the address range header.
7162 (DWARF_ROUND): Fix for non power of 2 rounding.
7164 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
7166 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
7168 2000-03-05 Mark Mitchell <mark@codesourcery.com>
7170 * tree.def (RTL_EXPR): Update documentation.
7171 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
7172 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
7173 * function.c (preserve_rtl_expr_temp): New function.
7174 (preserve_rtl_expr_temps): Likewise.
7175 (preserve_rtl_expr_result): Use it.
7178 2000-03-04 Mark Mitchell <mark@codesourcery.com>
7180 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
7182 * regmove.c (copy_src_to_dest) Do not create src->dest move
7183 for unchanging destination.
7185 2000-03-04 Mark Mitchell <mark@codesourcery.com>
7187 * function.h (struct sequence_stack): Remove rtl_expr.
7188 (struct emit_staus): Likewise.
7189 (seq_rtl_expr): Remove.
7190 * tree.h (free_temps_for_rtl_expr): Don't declare.
7191 (start_sequence_for_rtl_expr): Likewise.
7192 * rtl.h (preserve_rtl_expr_result): Likewise.
7193 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
7194 (start_sequence_for_rtl_expr): Remove.
7195 (push_topmost_sequence): Don't save sequence_rtl_expr.
7196 (pop_topmost_sequence): Remove comment about not restoring it.
7197 (end_sequence): Don't set seq_rtl_expr.
7198 (init_emit): Don't initialize it.
7199 (mark_sequence_stack): Don't mark it.
7200 (mark_emit_status): Likewise.
7201 * except.c (protect_with_terminate): Use
7202 start_sequence_for_rtl_expr, not start_sequence.
7203 * expr.c (expand_expr, case RTL_EXPR): Don't call
7204 preserve_rtl_expr_result or free_temps_for_rtl_expr.
7205 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
7206 (preserve_rtl_expr_result): Remove.
7207 (free_temps_for_rtl_expr): Likewise.
7208 (pop_temp_slots): Likewise.
7209 (mark_temp_slot): Don't mark the rtl_expr.
7210 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
7211 start_sequence_for_rtl_expr.
7213 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
7215 * mkdeps.c, mkdeps.h: New files.
7216 * po/POTFILES.in: Add them.
7217 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
7218 (cpplib.o, cppinit.o): Depend on mkdeps.h.
7219 (mkdeps.o): New target.
7221 * cppfiles.c: Delete deps_output.
7222 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
7223 OBJECT_SUFFIX, and base_name.
7224 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
7226 (initialize_dependency_output): Use deps_init,
7227 deps_add_target, deps_calc_target, and deps_add_dep. Remove
7228 all the unnecessary string bashing.
7229 (cpp_finish): Use deps_write. Remove an unnecessary nesting
7231 * cpplib.c (do_include): Use deps_add_dep.
7232 * cpplib.h (struct cpp_reader): Replace deps_buffer,
7233 deps_allocated_size, deps_size, deps_column members with
7234 single pointer to a struct deps. Delete prototype of
7237 * cppinit.c: Fix thinko in previous patch.
7239 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7241 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
7242 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
7243 (mode_for_size_tree): New function.
7244 (layout_decl, layout_type): Call it and clean up BLKmode checks.
7245 * tree.h (mode_for_size_tree): New declaration.
7247 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
7249 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
7251 * stmt.c (is_body_block): Move...
7252 * dwarfout.c, dwarf2out.c: ...from here.
7253 * tree.h: Declare it.
7254 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
7255 * final.c (final_start_function): Do call remove_unnecessary_notes
7258 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
7260 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
7262 * cpplib.h (_dollar_ok): New macro.
7263 (is_idchar, is_idstart): Use it.
7264 (IStable): Rename to _cpp_IStable. Declare it const if
7265 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
7266 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
7267 is_space): Update for renamed IStable.
7269 * cppinit.c: Delete all references to FAKE_CONST and CAT
7270 macros. Define init_IStable as empty macro if gcc >=2.7 or
7271 C99. Change TABLE() to ISTABLE and hardcode name of table.
7272 (cpp_start_read): Don't change the IStable based on
7275 * cpphash.c (unsafe_chars): Add pfile argument. All callers
7276 changed. Handle '$' for char1 correctly.
7277 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
7279 * cppexp.c (tokentab2): Make const.
7280 (cpp_lex): Make toktab const.
7281 * cppinit.c (include_defaults_array): Make const.
7282 (initialize_standard_includes): Make default_include const.
7284 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7286 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
7287 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
7288 (gen_decl_die): Likewise.
7289 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
7290 (output_decl): Likewise.
7292 * varasm.c (make_function_rtl): If we change the name used in the
7293 rtl, update DECL_ASSEMBLER_NAME accordingly.
7294 (make_decl_rtl): Likewise.
7296 * toplev.c (rest_of_compilation): Tweak formatting.
7298 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
7299 remove_unnecessary_notes.
7300 (debug_ignore_block): New fn.
7301 * toplev.h: Declare it.
7302 * emit-rtl.c (remove_unncessary_notes): Call it.
7303 * dwarf2out.c (dwarf2out_ignore_block): New fn.
7304 * dwarf2out.h: Declare it.
7305 * final.c (final_start_function): Don't call remove_unnecessary_notes
7306 if we did insn scheduling.
7308 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
7310 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
7311 * cpplib.h: Delete SET_CPP_PEDANTIC.
7313 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7315 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
7316 result is a RECORD_TYPE.
7318 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
7320 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
7322 2000-03-03 Richard Henderson <rth@cygnus.com>
7324 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
7325 addition over compliments over shifts.
7327 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7329 * reload1.c (reload_combine_note_use): Handle return register USEs.
7330 REG case: Handle multi-hard-register hard regs.
7332 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7334 * md.texi: Document use of '*' in insn pattern name.
7336 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7338 * calls.c (special_function_p): operator new may not be malloc-like.
7340 * gcse.c (dump_hash_table): Really fix error in last change.
7342 2000-03-02 Denis Chertykov <denisc@overta.ru>
7344 * avr.c (print_operand): Use print_operand_address instead of
7346 * avr/libgcc.S: Cleanup code.
7348 2000-03-02 Richard Henderson <rth@cygnus.com>
7350 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
7352 2000-03-02 Mark Mitchell <mark@codesourcery.com>
7354 * tree.h (TYPE_ALIGN_UNIT): New macro.
7356 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
7358 * i386.c: (constant_call_address_operand): Reject CONST_INT.
7360 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
7362 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
7364 (SET_CPP_PEDANTIC): New macro.
7365 * cpplib.c (do_include): Don't bother checking system_header_p.
7366 (do_warning, do_ident, do_assert, do_unassert): Likewise.
7367 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
7369 * function.h (struct expr_status): Add x_arg_space_so_far.
7370 (arg_space_so_far): New macro.
7371 * expr.c (init_expr): Initialize it.
7372 * calls.c (emit_call_1): Reset it.
7373 (compute_argument_block_size, expand_call): Use it.
7374 (expand_call, store_one_arg): Increment it.
7376 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7378 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
7381 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
7383 * cppfiles.c (cpp_read_file): New function.
7385 * cpphash.c (collect_expansion): Make sure to reset last_token
7386 to NORM when we hit a string. Handle trailing whitespace
7387 properly when the expansion is empty.
7388 (create_definition): Disable line commands while parsing the
7390 (dump_definition): If pfile->lineno == 0, output a line
7391 command ahead of the dump, and add a trailing newline.
7393 * cppinit.c (append_include_chain): Add fifth argument, which
7394 indicates whether or not system headers are C++ aware.
7395 (initialize_standard_includes): New function,
7396 broken out of read_and_prescan. Pass 'cxx_aware' value from
7397 the include_defaults_array on to append_include_chain.
7398 (dump_special_to_buffer): Const-ify char array.
7399 (builtin_array): Don't dump __BASE_FILE__.
7400 (cpp_start_read): Use cpp_read_file. Reorder code for
7401 clarity. Don't output line commands here for -D/-A/-U
7402 switches. Don't call deps_output for files included with
7403 -include or -imacros.
7405 * cpplib.c (do_define): Don't pay any attention to the second
7407 (cpp_expand_to_buffer): Disable line commands while scanning.
7408 (output_line_command): Work in the file buffer.
7409 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
7410 Fix formatting of comments. Prototype cpp_read_file.
7412 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7414 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
7415 reference the language-equivalent of sizetype.
7416 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
7417 * fold-const.c (size_binop, size_diffop): Put back checks.
7418 * gcse.c (dump_hash_table): Fix minor error in last change.
7419 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
7420 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
7423 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
7425 * calls.c (expand_call) Do not attempt to combine stack adjustments
7426 with inhibit_defer_pop set.
7428 2000-03-01 Mark Mitchell <mark@codesourcery.com>
7430 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
7431 the DECL_SIZE for a FIELD_DECL.
7433 2000-03-01 Bruce Korb <bkorb@gnu.org>
7435 * fixinc/inclhack.tpl: remove unused symlinks
7436 * fixinc/README: GCC Maintainer info
7437 * fixinc/inclhack.sh: regen
7438 * fixinc/fixincl.sh: regen
7440 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
7442 * cpphash.c (collect_expansion): Trim trailing white space
7443 from macro definitions, but don't go past the last insertion
7446 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
7448 * i386.md (mulqi3): New pattern.
7450 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
7452 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
7454 (struct cpp_reader): Add parsing_if_directive and
7455 parsing_define_directive flags.
7456 (struct cpp_options): Remove output_conditionals flag.
7457 (check_macro_name): Delete prototype.
7459 * cpphash.h (struct macrodef): Delete.
7460 (struct reflist): Separate from struct definition.
7461 (struct definition): Remove unused fields. Add column number.
7462 (create_definition): Returns a DEFINITION *. Takes a
7463 cpp_reader * and an int.
7465 * cpphash.c (SKIP_WHITE_SPACE): Delete.
7466 (PEEKC): Copy defn from cpplib.c.
7467 (rest_extension, REST_EXTENSION_LENGTH): Delete.
7469 (struct arglist): Simplify.
7470 (collect_expansion): Rewrite. Get tokens by calling
7471 cpp_get_token. Add more error checking.
7472 (collect_formal_parameters): New function, broken out of
7473 create_definition and reworked to use get_directive_token.
7474 (create_definition): All real work is now in collect_expansion
7475 and collect_formal_parameters. do_define handles finding the
7476 macro name. Return a DEFINITION, not a MACRODEF.
7477 (macroexpand): Replace bcopy with memcpy throughout. Replace
7478 character-at-a-time copy loop with memcpy and pointer increments.
7479 (compare-defs): d1->argnames / d2->argnames might be null.
7481 * cpplib.c (copy_rest_of_line): Delete function.
7482 (skip_rest_of_line): Do all the work ourselves.
7483 (skip_string): New function.
7484 (parse_string): Use skip_string.
7485 (get_macro_name): New function.
7486 (check_macro_name): Delete.
7487 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
7488 (cpp_skip_hspace): Use CPP_BUMP_LINE.
7489 (handle_directive): ICE if we're called on a macro buffer.
7490 (do_define): Determine macro name and type (funlike/objlike)
7491 here. Expunge all uses of MACRODEF.
7492 (cpp_push_buffer): Set line_base to NULL.
7493 (do_undef, read_line_number): Don't worry about getting a POP token.
7494 (eval_if_expression): Set/reset parsing_if_directive around
7495 cpp_parse_expr. Don't clear only_seen_white.
7496 (skip_if_group): Remove output_conditionals logic. Use
7498 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
7499 tokens under appropriate conditions.
7500 (cpp_unassert): Call do_unassert not do_assert. Oops.
7502 * cppexp.c (parse_defined): New function, break out of
7504 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
7505 ourselves, with cpp_defined.
7506 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
7508 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
7509 * gcc.dg/strpaste-2.c: New.
7511 2000-02-29 Mark Mitchell <mark@codesourcery.com>
7513 * fold-const.c (size_binop): Don't asert inputs are the same and
7514 have TYPE_IS_SIZETYPE set.
7515 (size_diffop): Likewise.
7517 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
7519 * dwarfout.c (output_block): Output abstract blocks even if they
7520 don't have TREE_ASM_WRITTEN set.
7522 * calls.c (emit_library_call): Check for null REG.
7524 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
7526 * c-decl.c (current_function_decl): Move to toplev.c.
7527 (init_decl_processing): Don't add current_function_decl as a ggc
7529 * dbxout.c (dbxout_symbol): Change return type to int.
7530 (dbxout_symbol_location, dbxout_syms): Likewise.
7531 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
7532 any locals. Use current_function_func_begin_label if set.
7533 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
7534 * dwarf2out.c (dwarf2out_begin_prologue): Set
7535 current_function_func_begin_label.
7536 * final.c (final_start_function): Reset it.
7537 * toplev.c (current_function_decl): Define it here.
7538 (current_function_func_begin_label): New variable.
7539 (main): Add both as ggc roots.
7540 * tree.h (current_function_func_begin_label): Declare.
7542 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7544 * gcse.c: Cleanups throughout: mostly white-space, but also
7545 some minor rearrangement of code.
7547 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
7549 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
7550 returns a PARALLEL. Use emit_group_load and use_group_regs
7552 (emit_library_call_value): Similarly.
7554 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
7555 * pa/quadlib.asm: Remove.
7556 * pa/quadlib.c: New file.
7558 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
7559 * configure: Rebuilt.
7561 2000-02-29 Philip Blundell <pb@futuretv.com>
7563 * config/arm/conix-elf.h: New file.
7564 * configure.in (arm*-*-conix*): New configuration.
7565 * configure: Regenerate.
7567 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
7569 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
7570 don't have TREE_ASM_WRITTEN set.
7572 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7574 * Eliminate DECL_FIELD_SIZE.
7575 * builtins.c (built_in_class_names, built_in_names): New variables.
7576 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
7577 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
7578 DECL_SIZE, not DECL_FIELD_SIZE.
7579 * print-tree.c (print_node): Remove code that prints extra blank
7580 lines in some cases.
7581 Properly handle inline and builtin function cases.
7582 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
7583 * tree.h (built_in_class_named, built_in_names): New declarations.
7584 (union tree_decl): Rename internal unions to u1 and u2 and change
7585 some of their components.
7586 Add new field built_in_class.
7587 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
7588 Reflect above changes.
7589 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
7590 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
7591 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
7592 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
7594 2000-02-28 Dmitri Makarov <dim@windriver.com>
7596 * extend.texi: Document ARM's support for long/short calls.
7598 * invoke.texi: Document ARM's -mlong-calls command line switch.
7600 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
7601 (arm_encode_call_attribute): Add prototype.
7602 (arm_set_default_type_attribute): Add prototype.
7603 (arm_strip_name_encoding): Add prototype.
7605 * config/arm/arm.c (arm_init_cumulative_args): replace
7606 initialisation og 'long_calls' field with initialisation of
7607 'call_cookie' field.
7608 (enum arm_pragma_enum): New enum.
7609 (arm_pragma_long_calls): New static variable.
7610 (arm_process_pragma): Also process "#pragma long_calls_off".
7611 (arm_valid_type_attribute_p): Accept short_call attribute.
7612 (arm_comp_type_attributes): Check long/short call attributes.
7613 (arm_encode_call_attribute): New function: Encode long_call
7614 or short_call attribute in function name.
7615 (arm_set_default_type_attributes): New function: Assign
7616 default attributes to newly defined type.
7617 (current_file_function_operand): New function: Return true if
7618 the symbol is a function which has already been compiled.
7619 (arm_is_longcall_p): New function: Return true if the
7620 indicated function should be called via a long call.
7621 (arm_get_strip_length): New function. Returns number of
7622 prefix characters to be stripped from a function's name.
7623 (arm_strip_name_encoding): New function. Strip prefix characters
7624 from a function's name.
7626 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
7628 (SHORT_CALL_FAG_CHAR): Define.
7629 (LONG_CALL_FAG_CHAR): Define.
7630 (ENCODED_SHORT_CALL_ATTR_P): Define.
7631 (ENCODED_LONG_CALL_ATTR_P): Define.
7632 (ARM_NAME_ENCODING_LENGTHS): Define.
7633 (STRIP_NAME_ENCODING): Define.
7634 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
7635 (ARM_ENCODE_CALL_TYPE): Define.
7636 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
7637 (ARM_DECLARE_FUNCTION_SIZE): Define.
7638 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
7640 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
7641 if a long call is needed.
7642 (call_value): Ditto.
7643 (call_symbol): Ditto.
7645 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
7646 ARM_DECLARE_FUNCTION_SIZE.
7648 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
7649 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
7650 (ARM_STRIP_NAME_ENCODING): Undefine.
7651 (STRIP_NAME_ENCODING): Undefine.
7652 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
7653 (ASM_DECLARE_FUNCTION_NAME): Ditto.
7654 (ASM_OUTPUT_COMMON): Ditto.
7655 (ASM_DECLARE_OBJECT_NAME): Ditto.
7657 * config/arm/pe.c (arm_dllexport_name_p): Check for
7659 (arm_dllimport_name_p): Ditto.
7660 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
7661 (arm_mark_dllimport): Ditto.
7663 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7665 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
7667 2000-02-28 Mark Mitchell <mark@codesourcery.com>
7669 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
7671 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
7673 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
7674 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
7675 NO_BUILTIN_WCHAR_TYPE is not defined.
7676 (CPP_WCHAR_TYPE): Delete.
7677 * cccp.c (main): Don't change wchar_type if cplusplus.
7678 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
7680 2000-02-28 Nick Clifton <nickc@cygnus.com>
7682 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
7684 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
7686 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
7687 (ASM_WEAKEN_LABEL): Define.
7689 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
7691 * expr.c (store_constructor): Do not emit USE.
7692 * rtl.h (stupid_life_analysis): Remove.
7694 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7696 * function.c (number_blocks): Reset next_block_index based on
7697 what debugging format is used, not what is defined.
7699 * lcm.c: Minor reformatting throughout.
7700 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
7702 * toplev.c (rest_of_compilation): Account for time in
7703 optimize_mode_switching.
7705 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
7706 if only marking labels.
7708 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
7710 * calls.c (expand_call): Attempt to combine stack adjustments with
7711 pending stack adjustments.
7713 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7715 * loop.c (reg_in_basic_block_p): Don't abort when falling through
7716 to the end of the function.
7718 2000-02-27 Mark Mitchell <mark@codesourcery.com>
7720 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
7722 * final.c (next_block_index): Remove.
7723 (max_block_depth): Likewise.
7724 (pending_blocks): Likewise.
7725 (init_final): Don't initialize them.
7726 (final_start_function): Don't set next_block_index. Set up
7728 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
7729 * function.h (number_blocks): New function.
7730 * function.c (get_block_vector): New function.
7731 (identify_blocks): Use it.
7732 (reorder_blocks): Set NOTE_BLOCK.
7733 (number_blocks): New function.
7734 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
7735 * tree.h (BLOCK_NUMBER): New macro.
7736 (tree_block): Add block_num field.
7737 * dbxout.c (next_block_number): Remove.
7738 (dbxout_init): Don't set it.
7739 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
7740 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
7742 * toplev.c (rest_of_compilation): Always call
7743 find_loop_tree_blocks. Fix indentation.
7744 * dwarf2out.c (next_block_number): Remove.
7745 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7746 to determine block numbers.
7747 (gen_inlined_subroutine_die): Likewise.
7748 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
7749 (decls_for_scope): Don't increment next_block_number.
7750 * dwarfout.c (next_block_number): Remove.
7751 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7752 to determine block numbers.
7753 (output_inlined_subroutine_die): Likewise.
7754 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
7755 (output_decls_for_scope): Don't increment next_block_number.
7756 * sdbout.c (next_block_number): Remove.
7757 (sdbout_block): Use BLOCK_NUMBER.
7758 (sdbout_begin_block): Simplify.
7759 * xcoffout.c (next_block_number): Remove.
7760 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
7761 (xcoffout_begin_block): Don't set next_block_number.
7762 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
7765 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7767 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
7768 (expand_builtin_strcpy): Pass correct type to size_binop.
7769 (expand_builtin_strcmp): Likewise.
7770 Clean up conditional structure.
7771 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
7772 (complete_array_type): Don't use size_binop for MAXINDEX.
7773 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
7774 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
7775 (c_alignof): Use size_one_node.
7776 (build_unary_op): Pass arg of proper type to size_binop.
7777 (really_start_incremental_init, push_init_level): Use sizetype for
7778 constructor{,_bit,_unfilled}_index.
7779 (pop_init_label, output_init_element): Likewise.
7780 (output_pending_init_elements, process_init_element): Likewise.
7781 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
7782 * expr.c (store_expr): Use size_int.
7783 (store_constructor): Use proper types for size_binop args.
7784 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
7785 (expand_expr_unaligned): Likewise.
7786 (string_contant): Return object of sizetype.
7787 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
7788 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
7789 (ARGS_SIZE_TREE): Pass proper types to size_binop.
7790 * fold-const.c (int_const_binop): Refine when size_int is called.
7791 (fold_convert): Likewise.
7792 (size_int_wide): Rework to take KIND as arg, only take low order
7793 bits, handle new sizetype_tab datatype, and chain entries in
7795 (size_int_type_wide): New function.
7796 (size_binop): Validate types of arguments.
7797 (ssize_binop): Deleted.
7798 (size_diffop): New function.
7799 (extract_muldiv): Only fold division into multiplication for sizetypes.
7800 * function.c (assign_parms): Use size_diffop and make sure
7801 VAR field is of ssizetype; also pass proper type to size_binop.
7802 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
7803 (round_down): Deleted from here.
7804 * store-layout.c (sizetype_tab): Now an array.
7805 (sizetype_set, early_root_list): New variables.
7806 (variable_size): Use size_one_node.
7807 (round_up): Pass proper type to size_binop.
7808 (round_down): Moved to here and corrected as above.
7809 (layout_record): Pass proper arg types to size_binop.
7810 (layout_type): Likewise.
7811 If sizetype_set is zero, record the type just laid out.
7812 (make_unsigned_type): Don't call set_sizetype;
7813 (make_signed_type): Likewise; also, call fixup_signed_type.
7814 (initialize_sizetypes): New function.
7815 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
7816 set name of bitsizetype to "bit_size_type".
7817 Fix up type of sizes of all types made before call.
7818 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
7819 * tree.c (fix_sizetype): Deleted.
7820 (build_common_tree_nodes): Call initialize_sizetypes.
7821 (build_common_tree_nodes_2): Don't call fix_sizetype.
7822 * tree.h (TYPE_IS_SIZETYPE): New macro.
7823 (initialize_sizetype): New declaration.
7824 (enum size_type_kind): New type.
7825 (struct sizetype_tab): Deleted.
7826 (sizetype_tab): Now array; adjust sizetype macros.
7827 (size_diffop, size_int_type_wide): New functions.
7828 (size_int_wide): Change number of args and type; access macros changed.
7829 (ssize_int, sbitsize_int): New macros.
7830 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
7831 (ROUND_TYPE_SIZE_UNIT): New macro.
7833 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
7835 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
7837 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7839 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
7840 Mark as possibly unused.
7842 * cse.c (cse_insn): Delete dead code involving tablejump.
7843 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
7845 * Makefile.in (libcpp.a): Start by deleting it.
7847 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7849 * cpplib.h (enum file_change_code): Added rename_file.
7850 * cpplib.c (do_line): If a filename is given, set file_change to
7852 (output_line_command): If file_change is rename_file, always
7853 output a # directive with the file name.
7855 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
7857 2000-02-26 Mark Mitchell <mark@codesourcery.com>
7859 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
7860 when copying a PARM_DECL or RESULT_DECL.
7862 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7864 * fix-header.c (recognized_function): Also fix prototypes for
7865 functions taking "void".
7867 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7869 * reload1.c (do_output_reload): Check reg_reloaded_valid before
7870 looking at reg_reloaded_contents.
7872 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
7874 * Makefile.in (STMP_FIXINC): New toggle.
7875 (LIBGCC2_DEPS): Delete all references.
7876 (stmp-headers): Delete target. All references either deleted
7877 or changed to stmp-int-headers.
7878 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
7879 (LIBCPP_OBJS): Take out cppalloc.o.
7880 (cppalloc.o): Delete target.
7881 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
7882 (gen-protos, fix-header): Link with libiberty.a.
7883 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
7886 * configure.in: Remove refs to strerror.
7887 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
7888 * system.h: Take out strerror stanza.
7890 * cpperror.c (my_strerror): Delete function.
7891 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
7892 * cppmain.c (main): Call xmalloc_set_program_name first thing.
7893 * cppalloc.c: Delete file.
7894 * gen-protos.c: Don't provide xrealloc.
7896 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
7897 xstrerror throughout.
7899 2000-02-26 Bruce Korb <bkorb@gnu.org>
7901 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
7902 match for DOS headers, too.
7903 * fixinc/inclhack.sh,fixincl.x: Regenerate.
7905 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7907 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
7908 is right for most ELF targets.
7909 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
7910 Let the default file use %U properly.
7911 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
7914 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
7917 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7919 * toplev.c (documented_lang_options): Correct spelling error.
7920 (decode_d_option, decode_f_option, main): Likewise.
7922 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
7924 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
7925 to tell assembler it is permitted to expand large constants.
7927 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
7929 * protoize.c: (AUX_INFO_SUFFIX): New macro.
7930 (aux_info_suffix): Use.
7931 (SAVE_SUFFIX): New macro.
7933 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
7934 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
7935 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
7937 * invoke.texi (Running Protoize): Update documentation.
7939 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
7941 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
7943 2000-02-25 John Wehle (john@feith.com)
7945 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
7947 2000-02-25 Anthony Green <green@cygnus.com>
7949 * toplev.c (rest_of_compilation): Rebuild jump labels if
7950 combine_instructions has created a new direct jump.
7951 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
7953 (combine_instructions): Call try_combine with new argument.
7954 Return non-null value when new direct jump instruction is created.
7955 * rtl.h: combine_instructions returns an int.
7957 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
7959 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
7960 jump when changing a computed jump into a jump to a known
7963 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
7965 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
7966 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
7968 * i386.md (define_expand "clrstrsi"): Fix typo.
7970 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
7972 * rtl.texi: Fix typo.
7974 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7976 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
7977 UNITS_PER_WORD. Change caller initial_elimination_offset.
7978 (rounded_frame_size): Take into account that argument pushed has
7979 changed. Fix TARGET_ALIGN_DOUBLE problem.
7981 2000-02-25 Geoff Keating <geoffk@cygnus.com>
7983 * haifa-sched.c (schedule_block): Explain the real reason
7984 we delete REG_SAVE_NOTEs on the first insn of a block.
7985 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
7987 2000-02-24 Mark Mitchell <mark@codesourcery.com>
7989 * input.h (push_srcloc): New function.
7990 (pop_srcloc): Likewise.
7991 * toplev.c (push_srcloc): Define it.
7992 (pop_srcloc): Likewise.
7994 2000-02-24 Richard Henderson <rth@cygnus.com>
7996 * flow.c (life_analysis): When collecting reg info, clear
7999 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8001 Fix bug exposed by reload.c no longer rounding the frame
8002 size to BIGGEST_ALIGNMENT:
8003 * sh.c (rounded_frame_size): New function.
8004 (sh_expand_prologue, sh_expand_epilogue): Use it.
8005 (initial_elimination_offset): Likewise.
8007 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8009 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
8010 * sh-protos.h (sh_need_epilogue): Declare.
8011 * sh.c (sh_need_epilogue_known): New static variable.
8012 (sh_need_epilogue): New function.
8013 (function_epilogue): Clear need_epilogue_known.
8014 * sh.md (return): Split into expander / insn pattern.
8015 Make the expander conditional on ! sh_need_epilogue ().
8017 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
8019 * machmode.h (get_mode_alignment): Declare.
8020 (GET_MODE_ALIGNMENT): Call it.
8021 * stor-layout.c (get_mode_alignment): New function. Make
8022 sure alignment is always power of 2.
8024 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
8026 * i386.h: Remove useless definition of "I386" and misleading
8029 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
8031 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
8032 under which TREE_PERMANENT will be set.
8033 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
8034 build1): Use TREE_SET_PERMANENT.
8035 * print-tree.c (print_node): Don't report value of
8036 TREE_PERMANENT if ggc_p is true.
8038 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
8039 decide whether to give a type a new alias set.
8040 * objc/objc-act.c (build_objc_string_object): Never copy the string.
8041 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
8042 of value of 'obstack'.
8045 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8047 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
8049 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8051 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
8052 * cpplib.c (cpp_get_token): Produce them.
8053 * cppexp.c (cpp_lex): Handle them.
8055 2000-02-23 Nick Clifton <nickc@cygnus.com>
8057 * config/arm/arm.c (arm_comp_type_attributes): Simply and
8058 comment tests on type attributes.
8060 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8062 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
8063 conform to documentation.
8064 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
8065 to check for special cases.
8066 * sh-protos.h (sh_loop_align): Declare.
8067 * sh.c (sh_loop_align): Define.
8069 2000-02-22 Andrew Haley <aph@cygnus.com>
8071 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
8072 (SIZE_TYPE): Is 32 bits when using -mgp32.
8073 (PTRDIFF_TYPE): Ditto.
8075 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8077 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
8079 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
8081 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
8082 BIGGEST_FIELD_ALIGNMENT a constant.
8084 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
8086 * dwarf2out.c (output_line_info): Put the marker for the end of
8087 the line number info at the actual end.
8088 (gen_struct_or_union_type_die): Use decl_function_context
8089 to check for local classes.
8090 * dwarfout.c (output_type): Likewise.
8092 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
8094 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
8095 for arguments with a mode, but no type.
8096 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
8097 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
8098 * pa/long_double.h: New file.
8099 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
8100 both have 128bit wide long doubles.
8101 * configure: Rebuilt.
8103 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8105 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
8107 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
8108 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
8109 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
8111 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
8113 * integrate.c (compare_blocks, find_block): Likewise.
8115 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
8117 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
8119 * stmt.c (stmt_status, set_file_and_line_for_stmt,
8120 expand_asm_operands): Likewise.
8122 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
8124 * predict.c (estimate_probability): Added the pointer heuristic to
8125 the collection of static branch predictors.
8127 2000-02-21 Catherine Moore <clm@cygnus.com>
8129 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
8130 * invoke.texi (-mfix7000): Document.
8132 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
8134 * diagnostic.c (init_output_buffer): Make it possible to output at
8135 least 32 characters if we're given a too long prefix.
8137 2000-02-20 Mark Mitchell <mark@codesourcery.com>
8139 * varasm.c (initializer_constant_valid_p): Call
8140 lang_expand_constant to simplify the constant.
8142 2000-02-20 Bruce Korb <bkorb@gnu.org>
8144 * fixinc/inclhack.def(stdio_va_list):
8145 typedef needs to be disabled.
8146 * fixinc/inclhack.sh: regen
8147 * fixinc/fixincl.x: regen
8149 2000-02-20 Geoff Keating <geoffk@cygnus.com>
8151 * print-rtl.c (print_rtx): Don't print addresses when
8152 flag_dump_unnumbered.
8154 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8156 * sparc.c (sparc_output_scratch_registers): Mark parameter with
8158 (sparc_va_arg, sparc_flat_output_function_prologue,
8159 sparc_flat_output_function_epilogue): Cast value to unsigned in
8161 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
8163 * sparc.md: Add default case in switch.
8165 2000-02-19 Richard Henderson <rth@cygnus.com>
8167 * c-typeck.c (add_pending_init): Don't abort for multiple
8168 fields at the same offset.
8169 (pending_init_member): Test the correct member.
8171 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8173 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
8175 (start_catch_handler) : Same.
8177 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
8179 * Makefile.in: Have flow.o depend on $(EXPR_H)
8181 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8183 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
8184 * c-decl.c (duplicate_decls, finish_enum): Likewise.
8185 (finish_decl): Remove -Wlarger-than code from here.
8186 * flags.h (id_clash_len): Now int.
8187 (larger_than_size): Now HOST_WIDE_INT.
8188 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
8189 Clean up checking to see if in table.
8190 (make_bit_field_ref): Remove extra parm to bitsize_int.
8191 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
8192 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
8193 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
8194 and for computing size of decl.
8195 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
8196 Move -Wlarger-than code to here.
8197 (layout_record): Remove extra arg to bitsize_int.
8198 Set TYPE_BINFO_SIZE_UNIT.
8199 (layout_union): Remove extra arg to bitsize_int.
8200 Use proper type for size of QUAL_UNION.
8201 (layout_type): Remove extra arg to bitsize_int.
8202 * toplev.c (id_clash_len): Now int.
8203 (larger_than_size): Now HOST_WIDE_INT.
8204 (decode_W_option): Clean up id-clash and larger-than- cases.
8205 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
8206 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
8207 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
8208 (struct tree_decl): New field size_unit.
8209 (size_int_wide): No HIGH operand; NUMBER is now signed.
8210 (size_int_2): Deleted.
8211 (size_int, bitsize_int): Don't use it and rework args.
8212 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
8214 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
8216 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
8218 2000-02-18 Geoff Keating <geoffk@cygnus.com>
8220 * invoke.texi (Warning Options): Add an explanation of why
8221 you might want the -Wfloat-equal flag.
8223 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8225 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
8226 * cppinit.c (new_pending_define): Add cast to avoid warning.
8227 * expmed.c (extract_bit_field): Likewise.
8228 * flow.c (enum reorder_skip_type): New type.
8229 (skip_insns_between_blcok): New it.
8230 Rework to avoid warning about possibly undefined variable.
8231 * function.c (assign_parms): Make thisparm_boundary unsigned.
8232 * genrecog.c (write_switch): Cast XWINT result to int.
8233 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
8234 * mips-tfile.c (init_file): Make two versions of FDR intializer:
8235 one for MIPS and one for Alpha.
8236 (get_tag, copy_object): Add casts to avoid warnings.
8237 * optabs.c (init_one_libfunc): Cast NAME to (char *).
8238 * reload.c (find_reloads): Make TYPE enum reload_type.
8239 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
8240 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
8241 * varasm.c (compare_constant_1): Add cast to avoid warning.
8242 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
8244 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
8245 Cast switch operand of size to int.
8246 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
8247 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
8250 2000-02-18 Nick Clifton <nickc@cygnus.com>
8252 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
8253 anything for an alignment of zero.
8255 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
8256 anything for an alignment of zero.
8258 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
8260 * gcc.texi (Bug Reporting): Refer to bugs.html.
8261 (Bug Lists): Likewise.
8262 * system.h (GCCBUGURL): New preprocessor define.
8263 * rtl.c (fancy_abort): Use it.
8264 * gcc.c (main): Likewise.
8266 2000-02-18 Richard Henderson <rth@cygnus.com>
8268 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
8269 (life_analysis_1): Subsume into ...
8270 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
8271 Use update_life_info for the relaxation.
8272 (update_life_info): Update REG_BASIC_BLOCK for registers live on
8273 entry and regs_live_at_setjmp.
8274 (set_noop_p): Simplify.
8275 (notice_stack_pointer_modification_1): Renamed from s/_1//.
8276 (record_volatile_insns): Split into ...
8277 (delete_noop_moves): ... here,
8278 (notice_stack_pointer_modification): ... here,
8279 (insn_dead_p): ... and here.
8280 (propagate_block): Don't query INSN_VOLATILE.
8281 (mark_used_regs): Mind !PROP_REG_INFO.
8282 * toplev.c (rest_of_compilation): Call mark_constant_function here,
8283 not in life_analysis.
8285 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
8287 * loop.c (canonicalize_condition): New function,
8288 broken out of get_condition.
8289 (get_condition): Use it.
8290 * expr.h (canonicalize_condition): Prototype it.
8292 * tree.h (tree_int_cst_msb): Declare.
8293 * tree.c (tree_int_cst_msb): New function.
8295 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8297 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
8300 * invoke.texi (-fmessage-length=n): Document.
8302 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
8304 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
8306 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8308 * function.c (thread_prologue_and_epilogue_insns): Put a line note
8311 2000-02-17 Nick Clifton <nickc@cygnus.com>
8313 * config/arm/thumb.c: Replace includes of system headers with
8314 #include "system.h".
8316 2000-02-16 Richard Henderson <rth@cygnus.com>
8318 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
8319 Add crtbeginS.o and crtendS.o.
8320 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
8321 (ENDFILE_SPEC): Use crtendS.o.
8322 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
8324 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
8325 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
8327 (__dso_handle): New variable.
8328 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
8329 bias to __CTOR_END__.
8331 2000-02-16 Richard Henderson <rth@cygnus.com>
8333 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
8335 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
8337 * longlong.h (__clz_tab): Declare as static to match definition.
8339 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
8340 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
8341 (XREF_FILE_NAME): Define.
8343 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
8344 (EH_FRAME_SECTION_ASM_OP): Define.
8345 (IDENT_ASM_OP): Define.
8346 (TEXT_SECTION_ASM_OP): Define.
8348 (CTORS_SECTION_ASM_OP): Define.
8349 (CTOR_SECTION_FUNCTION): Use it.
8350 (DTORS_SECTION_ASM_OP): Define.
8351 (DTOR_SECTION_FUNCTION): Use it.
8353 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
8355 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
8358 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
8359 debug_bb_n): New functions.
8360 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
8361 * basic-block.h: Prototype new functions.
8363 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
8365 * configure.in: Add support for avr target.
8366 * configure: Rebuilt.
8368 * invoke.texi: Add AVR invocation docs.
8369 * install.texi: Add information about AVR.
8370 * md.texi: Add AVR constraint letters description.
8371 * extend.texi: Add description for AVR specific attributes.
8373 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
8375 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
8377 2000-02-16 Nick Clifton <nickc@cygnus.com>
8379 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
8380 (make_insn_raw): Move RTL check here.
8382 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8384 * version.c: Include gansidecl.h and version.h.
8386 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
8388 * configure.in (gcc_version): When setting, narrow search to
8389 lines containing `version_string'.
8391 * Makefile.in (mainversion): Likewise.
8392 (GCC_H): New variable.
8393 (gcc.h): Delete target.
8394 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
8395 (version.o): Depend on version.h.
8396 (dbxout.o): Don't depend on gcc.h.
8398 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
8399 Michael Meissner <meissner@cygnus.com>
8401 * md.texi (Simple Constraints): Add item about whitespace.
8402 * genoutput.c (strip_whitespace): New.
8403 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
8404 strip_whitespace for constraints.
8405 Test pointer using NULL, not 0.
8407 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8409 * cpplib.c (do_line): Pedwarn for #line > 32767.
8411 * c-lex.c (readescape): Warn about '\x', but do not reject it.
8413 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
8415 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
8416 to default cpp spec.
8417 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
8418 * cpp.texi: Document __GNUC_PATCHLEVEL__.
8421 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
8424 2000-02-15 Denis Chertykov <denisc@overta.ru>
8426 * configure.in: Add support for avr target.
8428 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8430 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
8431 (sh_addr_diff_vec_mode): Don't declare.
8432 * sh.c (sh_addr_diff_vec_mode): Delete.
8434 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8436 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
8438 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8440 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
8441 (smulsi3_highpart_i): Name.
8442 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
8443 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
8444 (smulsi3_highpart, umulsi3_highpart): Likewise.
8446 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
8447 correctly independent of endianness.
8448 (mulsidi3, umulsidi3): Now define_insn. Hide details that
8449 confuse the optimizers.
8450 (mulsidi3+1, umulsidi3+1): New define_split.
8452 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
8454 * config/sh/sh.md: Guard insn splits against illegal registers.
8455 * config/sh/sh.h: Correct comment about macros.
8457 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8458 Andrew MacLeod <amacleod@cygnus.com>
8460 * Makefile.in (lcm.o): Depend on insn-attr.h.
8461 * basic-block.h (optimize_mode_switching): Declare.
8462 * lcm.c (tm_p.h, insn-attr.h): #include.
8463 (seginfo, bb_info): New structs.
8464 (antic, transp, comp, delete, insert) : New file-scope static variables.
8465 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
8466 (reg_becomes_live, optimize_mode_switching): Likewise.
8467 * tm.texi: Add description of mode switching macros.
8468 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
8470 * sh-protos.h (remove_dead_before_cse): Remove prototype.
8471 (fldi_ok, fpscr_set_from_mem): New prototypes.
8472 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
8473 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
8474 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8475 (sh_flag_remove_dead_before_cse): Remove declaration.
8476 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
8477 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
8478 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
8479 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8480 (barrier_align): Allow for JUMP_INSNS containing a parallel.
8481 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
8482 (fldi_ok): New function.
8483 (get_fpscr_rtx): Add fpscr_rtx as GC root.
8484 (emit_sf_insn): Only generate fpu switches when optimize < 1.
8485 (emit_df_insn): Likewise.
8486 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
8487 (sh_flag_remove_dead_before_cse): Delete.
8488 (get_free_reg, fpscr_set_from_mem): New functions.
8489 * sh.md (movdf, movsf): Remove no_new_pseudos code.
8490 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
8492 2000-02-15 Loren Rittle <ljrittle@acm.org>
8494 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
8496 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8498 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
8499 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
8501 * cccp.c: Include version.h and/or don't declare `version_string'.
8502 * collect2.c: Likewise.
8503 * alpha.c: Likewise.
8504 * arm/aof.h: Likewise.
8505 * arm/coff.h: Likewise.
8506 * arm/elf.h: Likewise.
8507 * arm/pe.h: Likewise.
8508 * arm/tcoff.h: Likewise.
8509 * arm/telf.h: Likewise.
8510 * arm/tpe.h: Likewise.
8511 * arm/vxarm.h: Likewise.
8512 * convex/convex.c: Likewise.
8513 * i386/dgux.c: Likewise.
8514 * i386/sun386.h: Likewise.
8515 * m88k/m88k.c: Likewise.
8516 * mcore/mcore-pe.h: Likewise.
8517 * mips/mips.h: Likewise.
8518 * romp/romp.h: Likewise.
8519 * sh/sh.c: Likewise.
8520 * cpphash.c: Likewise.
8521 * cppinit.c: Likewise.
8522 * dwarf2out.c: Likewise.
8523 * dwarfout.c: Likewise.
8526 * mips-tfile.c: Likewise.
8527 * protoize.c: Likewise.
8528 * toplev.c: Likewise.
8531 * version.c (version_string): Constify a char*.
8533 * version.h: New file.
8535 2000-02-14 Nick Clifton <nickc@cygnus.com>
8537 * configure.in: Add mcore-elf and mcore-pe targets.
8538 * configure: Regenerate.
8540 * NEWS: Add note that MCore port has been contributed.
8542 * invoke.texi: Document command line switches for MCore port.
8543 * install.texi: Add MCore to list of supported targets.
8545 2000-02-14 Geoff Keating <geoffk@cygnus.com>
8547 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
8548 then we will need to import the frame handling functions.
8549 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
8550 to import the frames themselves.
8552 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
8553 Jason Eckhardt <jle@cygnus.com>
8555 * basic_block.h: Added prototype for reorder_basic_blocks.
8556 * toplev.c: Changes to add -freorder-blocks and graph dump after
8557 block reordering is done.
8558 * flow.c (reorder_block_def): New structure for use during block
8560 (REORDER_BLOCK_*): New macros to access members of above structure.
8561 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
8562 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
8563 functions for block reordering.
8565 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
8567 * gcc.texi (Passes): Fix typo.
8568 * md.texi (Standard Names): Ditto.
8569 * tm.texi (Storage Layout): Ditto.
8571 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8573 * cpplib.c (do_define): Only free the old definition if it
8576 2000-02-13 Neil Booth <NeilB@earthling.net>
8578 * cppfiles.c (read_and_prescan): When emitting deferred
8579 newlines, test speccase[] again instead of checking each
8580 possible whitespace character in turn. When we encounter \r,
8581 look behind for \n first, then ahead.
8583 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8585 * cse.c (cse_altered): New internal flag.
8586 (cse_insn): Set it if we changed an insn.
8587 (cse_main): Clear cse_altered before each basic block.
8588 Only garbage collect if cse_altered is true afterward.
8590 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8592 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
8594 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
8596 * combine.c (simplify_comparison): Fix typo.
8598 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
8600 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
8603 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8605 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
8606 previously inserted node instead of root node. Caller changed.
8608 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8610 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
8612 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8614 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
8615 __dereg_frame_dtor): Add prototype argument.
8617 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
8619 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
8621 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
8623 * gthr-vxworks.h (__gthread_once): Likewise.
8625 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
8627 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
8629 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
8630 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
8631 stack pointer in functions w/o saved registers, output LEAVE more often
8632 on TARGET_USE_LEAVE machines.
8634 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
8636 * config/arm/arm.c (arm_init_cumulative_args); New function:
8637 Initlaise the CUMULATIE_ARGS strcuture for a function
8639 (arm_function_arg): New function: Determine where to place a
8640 function's argument. Also handles deciding the function's
8642 (current_file_function_operand): New function: Return true if
8643 the symbol is a function which has already been compiled.
8644 (arm_is_long_call_p): New function: Return true if the
8645 indicated function should be called via a long call.
8646 (arm_valid_type_attribute_p): New function: Return true if the
8647 attribute is a valid, arm specific, attribute.
8648 (arm_comp_type_attribute): New function: Return true if the
8649 two types have compatable, arm specific, attributes.
8651 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
8653 (FUNCTION_ARG): Redefine to call arm_function_arg.
8654 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
8656 (INIT_CUMULATIVE_ARGS): Redefine to call
8657 arm_init_cumulative_args.
8658 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
8660 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
8662 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
8664 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
8665 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
8666 (COMP_TYPE_ATTRIBUTES): Define.
8668 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
8669 if a long call is needed.
8670 (call_value): Call arm_is_long_call_p to decide if a long call
8672 (call_symbol): Call arm_is_long_call_p to decide if a long call
8675 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
8677 2000-02-11 Denis Chertykov <denisc@overta.ru>
8679 * README.AVR: New file with information about the avr ports.
8680 * config/avr: New directory with avr port files.
8682 2000-02-11 Andreas Jaeger <aj@suse.de>
8684 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
8686 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
8688 * cpphash.c: Fix formatting, update commentary.
8689 (dump_definition): Take three separate arguments instead of a
8690 MACRODEF structure argument.
8691 * cpphash.h: Update prototype of dump_definition.
8692 * cppinit.c (cpp_finish): Update call of dump_definition.
8694 * cpplib.c (do_define): Always create new hash entry with
8695 T_MACRO type. Remove redundant check for redefinition of
8696 poisoned identifier. Update call of dump_definition.
8697 (do_undef): Don't call check_macro_name. Rename sym_length to
8699 (do_error, do_warning): Don't use copy_rest_of_line or
8701 (do_warning): Don't use pedwarn for the actual warning,
8702 only the notice about its not being in the standard. (Fixes
8703 bug with #warning in system headers.)
8704 (do_ident): Stricter argument checking - accept only a single
8705 string after #ident. Also, macro-expand the line.
8706 (do_xifdef): Use cpp_defined. De-obfuscate.
8708 (do_pragma): Split out specific pragma handling to separate
8709 functions. Use get_directive_token. Update commentary. Do
8710 not pass on #pragma once or #pragma poison to the front end.
8711 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
8712 do_pragma_default): New.
8714 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
8716 * jump.c (jump_optimize_1): The first operand in a relational
8718 * optabs.c (emit_conditional_move): Handle relationals which
8719 have a known true/false result.
8721 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8723 * function.c (thread_prologue_and_epilogue_insns): Don't insert
8724 a RETURN insn into a block which already ends with a jump.
8726 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8728 * haifa-sched.c (BUF_LEN): Increase a lot.
8730 2000-02-11 Nick Clifton <nickc@cygnus.com>
8732 * configure.in: Add tm_p_file specification for thumb targets.
8733 * configure: Regenerate.
8735 * config/arm/thumb-protos.h: New file: Prototypes for exported
8736 functions defined in thumb.c.
8738 2000-02-11 Robert Lipe <robertl@sco.com>
8740 * Makefile.in (bootstrap-lean): Remove additional files.
8741 (bootstrap2-lean): Likewise.
8742 (VOL_FILES): List of files for above.
8744 2000-02-11 Nathan Sidwell <nathan@acm.org>
8746 * cpphash.c (special_symbol): Remove spurious argument to
8749 2000-02-11 Joel Sherrill (joel@OARcorp.com>
8751 * configure.in: (i*86-*-rtems*): Swapped elf and coff
8753 * configure: Rebuilt.
8755 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
8757 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
8759 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
8761 * pa.c, pa.h: Remove trigraph sequences within comments.
8763 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
8765 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
8767 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
8769 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
8771 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8773 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
8775 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8777 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
8778 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
8779 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
8780 (ASM_FILE_END): Use c4x_file_end.
8781 * config/c4x/c4x.c (c4x_global_label): New function.
8782 (c4x_external_ref, c4x_file_end): Likewise.
8784 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
8785 (c4x_external_ref, c4x_end_file): Likewise.
8787 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
8789 * cppexp.c: Don't include cpphash.h.
8790 (parse_charconst, cpp_lex): Use cpp_defined.
8791 (cpp_lex): Use get_directive_token throughout. Remove
8792 unnecessary cases from switch. Move assertion-handling code
8794 (cpp_parse_expr): If we see '+' or '-', check the context to
8795 determine if they are unary or binary operators. Streamline
8796 the jumps a bit. Do not call skip_rest_of_line.
8798 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
8799 static. Export get_directive_token. Update commentary.
8800 (cpp_defined): New function.
8801 (do_define): Remove reference to T_PCSTRING. Call
8802 free_definition to release memory for old definition, when
8804 (eval_if_expression): Set only_seen_white to 0 before calling
8805 cpp_parse_expr. Call skip_rest_of_line after it returns.
8806 (cpp_read_check_assertion): Don't preserve a pointer into the
8807 token buffer across a call to cpp_get_token.
8809 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
8810 * cppfiles.c (redundant_include_p): Use cpp_defined.
8811 * cpphash.c (free_definition): New function.
8812 (delete_macro): Use it. Update commentary.
8813 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
8815 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
8816 from enum node_type. Prototype cpp_defined and get_directive_token.
8817 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
8819 * fix-header.c (check_macro_names): Use cpp_defined.
8820 (read_scan_file): Set inhibit_warnings and inhibit_errors in
8821 the options structure.
8823 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8825 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
8827 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
8829 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
8830 rather than die->die_tag.
8832 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8834 * combine.c (make_extraction, force_to_mode): Avoid warning on
8835 mixed-signedness conditionals.
8836 (make_field_assignment, nonzero_bits): Likewise.
8837 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
8838 (store_split_bit_field, extract_split_bit_field): Likewise.
8839 (extract_fixed_bit_field, store_bit_field,
8840 * expr.c: Change alignment to be unsigned everywhere.
8841 (move_by_pieces, store_constructor_field, store_constructor):
8842 Alignment parm is unsigned.
8843 (emit_block_move, emit_group_load, emit_group_store): Likewise.
8844 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8845 (do_compare_rtx_and_jump): Likewise.
8846 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
8847 Compare align with GET_MODE_ALIGNMENT.
8848 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
8849 (get_inner_reference): Likewise.
8850 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
8851 (expand_assignment): Local vars for alignment now unsigned.
8852 (store_constructor, store_field, expand_expr, do_jump): Likewise.
8853 (do_compare_and_jump): Likewise.
8854 (store_field): Call new function expr_align.
8855 * expr.h (emit_block_move, emit_group_load, emit_group_store):
8856 Alignment arg now unsigned.
8857 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8858 (do_compare_rtx_and_jump, store_bit_field): Likewise.
8859 (extract_bit_field): Likewise.
8860 * fold-const.c (add_double): Add cast to eliminate signedness warning.
8861 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
8862 (get_best_mode): Alignment arg is unsigned.
8863 * rtl.h (move_by_pieces): Likewise.
8864 * store-layout.c (maximum_field_alignment, set_alignment):
8866 (layout_decl): Alignment arg is now unsigned.
8867 Remove unneeded casts.
8868 (layout_record, layout_union, layout_type): Remove unneeded casts.
8869 Local alignment variables now unsigned.
8870 (get_best_mode): Alignment arg now unsigned.
8871 * tree.c (expr_align): New function.
8872 * tree.h (expr_align): Likewise.
8873 (maximum_field_alignment, set_alignment): Now unsigned.
8874 (get_inner_reference): Alignment argument is now pointer to unsigned.
8875 * varasm.c (assemble_variable): Add cast to eliminate warning.
8877 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
8879 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
8880 then store directly into op0.
8882 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
8883 the CALL_INSN, and emit the note immediately after it.
8885 2000-02-10 Nick Clifton <nickc@cygnus.com>
8887 * config/arm/thumb.md (epilogue): Include a (return) in the
8888 generated insn, and emit it using emit_jump_insn not
8891 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
8893 * function.c (assign_temp): Change zero-sized arrays to size 1.
8894 * integrate.c (expand_inline_function): Do not update
8895 stack_alignment_needed
8896 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
8897 add some sanity checking, remove optimization for function with
8900 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8902 * flow.c (mark_regs_live_at_end): Delete unused variables.
8904 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
8906 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
8907 in macro FRAME_GROWS_DOWNWARD.
8909 * stmt.c (expand_end_bindings): Delete unused variable.
8911 * unroll.c (iteration_info): Mark parameter `loop' with
8914 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8916 * fixinc/server.c (load_data): Return NULL if the marker line is
8918 (run_shell): If load_data returns NULL, retry the command once, in
8921 * configure: Rebuilt.
8923 2000-02-09 Bruce Korb <bkorb@gnu.org>
8925 * gcc/fixincludes: ** DELETED **
8926 * gcc/fixcpp: ** DELETED **
8927 * gcc/fixinc-nt.sed: ** DELETED **
8928 * gcc/just-fixinc: ** DELETED **
8929 * gcc/Makefile.in: Removed out-dated commentary
8930 * gcc/configure.in: Removed fast-fixincludes disablement.
8931 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
8933 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8934 * function.c (thread_prologue_and_epilogue_insns): Uncomment
8937 2000-02-09 Richard Henderson <rth@cygnus.com>
8939 * jump.c (delete_insn): Don't delete user labels at -O0.
8941 2000-02-09 Robert Lipe <robertl@sco.com>
8943 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
8944 Don't link with HOST_LIBS.
8946 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8948 * configure.in: Correct --help text for --with-dwarf2.
8949 Put tm-dwarf2.h after other tm files, if it's requested.
8950 * configure: Regenerate.
8951 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
8954 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8956 * cpplib.h: Provide HASHNODE typedef and forward decl of
8957 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
8958 DEFINITION, struct hashnode, struct macrodef, struct
8959 definition, scan_decls prototype, default defn of
8960 INCLUDE_LEN_FUDGE moved elsewhere.
8962 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
8963 definition, and struct hashnode moved here. Remove the unused
8964 'predefined' field from struct definition. Replace the 'args'
8965 union with its sole member. All users updated (cpphash.c).
8966 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
8967 multiple include guard.
8969 * cpphash.c (hashf): Make static; use better algorithm; drop
8970 HASHSIZE parameter; return an unsigned int.
8971 (cpp_lookup): Drop HASH parameter. PFILE parameter is
8972 used. Calculate HASHSIZE modulus here.
8973 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
8975 (create_definition): Drop PREDEFINITION parameter.
8976 * cpplib.c (do_define): Don't calculate a hash value here.
8977 Don't pass (keyword == NULL) to create_definition.
8979 * scan.h: Prototype scan_decls here.
8980 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
8981 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
8982 callers of cpp_lookup and cpp_install updated.
8984 * cpphash.c (macarg): Hoist all the flag diddling out of the
8986 (macroexpand): ... and out of the loop that calls macarg.
8987 Skip over the initial paren before macro arguments with
8988 cpp_get_non_space_token; point may be some distance before
8989 that paren. Abort if it's not there.
8991 * cpplib.c (parse_clear_mark): Delete function.
8992 (parse_set_mark, parse_goto_mark): Make static.
8993 (ACTIVE_MARK_P): New macro.
8994 (skip_block_comment, skip_line_comment): Do not bump the line
8995 if ACTIVE_MARK_P is true.
8996 (cpp_pop_buffer): The buffer to be popped may not have an
8998 (cpp_get_token): When looking for the initial paren before
8999 macro arguments, only set a mark in a file buffer, Always
9000 return to that mark before proceeding to call macroexpand or
9001 return a NAME token.
9003 * cpplib.h: Remove prototypes of parse_set_mark,
9004 parse_clear_mark, parse_goto_mark.
9005 (struct cpp_options): Rename 'put_out_comments' to
9006 'discard_comments' and invert its sense.
9007 * cppinit.c, cpphash.c, cpplib.c: All users of
9008 put_out_comments changed to use discard_comments, with
9011 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
9013 * function.c (thread_prologue_and_epilogue_insns): Don't delete
9014 the edge from a block that both jumps and falls through to the
9017 2000-02-09 Scott Bambrough <scottb@netwinder.org>
9019 * config/arm/arm.md (movsi): In PIC mode, make sure that a
9020 constant source address is legitimate.
9022 2000-02-09 Philip Blundell <pb@futuretv.com>
9024 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
9027 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
9029 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
9031 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
9033 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
9034 ends with a newline and a NUL. Don't be so clever manipulating
9037 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
9039 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
9040 not to BIGGEST_ALIGNMENT.
9042 2000-02-08 Geoff Keating <geoffk@cygnus.com>
9044 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
9045 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
9046 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
9047 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
9048 * frame.c (execute_cfa_insn): Handle
9049 DW_CFA_GNU_negative_offset_extended.
9051 2000-02-08 Richard Henderson <rth@cygnus.com>
9053 * flow.c (tidy_fallthru_edges): Split out from ...
9054 (delete_unreachable_blocks): ... here.
9055 (find_basic_blocks): Use it.
9057 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9059 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
9061 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
9063 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
9064 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
9065 (fix-header.o): Don't depend on cpphash.h.
9067 * scan.c (hashstr): New function.
9068 * scan.h: Prototype it.
9069 * fix-header.c: Don't include cpphash.h. Use hashstr.
9070 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
9071 hashstr. Report hash table statistics. Add private
9072 definition of xrealloc.
9074 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9076 * i386.h (TARGET_SWITCHES): Fix typo in option name.
9078 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
9080 * function.c (thread_prologue_and_epilogue_insns): Don't replace
9081 jumps with returns unless they are jumps to the fallthru block.
9083 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
9085 * i386.md (addqi3_cc): Fix contraints.
9087 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
9089 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
9091 2000-02-07 Mark Mitchell <mark@codesourcery.com>
9093 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
9094 carriage return after a macro name.
9096 2000-02-07 Fred Fish <fnf@be.com>
9098 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
9099 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
9101 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
9103 * cppfiles.c (deps_output): Count spacers in deps_column.
9105 2000-02-07 Neil Booth <NeilB@earthling.net>
9107 * cppinit.c (initialize_dependency_output): If there is no
9108 suffix, don't try to look for known suffixes. Use strrchr.
9109 (cpp_start_read): Remove duplicate initialization.
9111 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
9113 * calls.c (compute_argument_block_size): New argument
9114 preferred_stack_boundary.
9115 (expand_call): update cfun->preferred_stack_boundary, update call of
9116 compute_argument_block_size
9117 (emit_library_call): Increate cfun->preferred_stack_boundary
9118 to PREFERRED_STACK_BOUNDARY
9119 (emit_library_call_value): Likewise.
9120 * explow.c (allocate_dynamic_stack_spave): Likewise.
9121 * function.c (prepare_function_start): Set
9122 cfun->preferred_stack_boundary
9123 * function.h (struct function): Add preferred_stack_boundary field.
9124 * integrate.c (expand_inline_function): Update
9125 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
9126 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
9127 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
9129 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
9131 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
9132 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
9133 cpp_pedwarn, cpp_pedwarn_with_line,
9134 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
9135 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
9136 v_cpp_error_with_line, v_cpp_warning_with_line,
9137 cpp_message_from_errno, cpp_perror_with_name): Delete.
9139 * cpperror.c (cpp_print_containing_files): Take starting
9141 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
9142 (v_cpp_message): Now called directly by all entry points.
9144 (cpp_pfatal_with_name, cpp_message): Delete.
9145 (cpp_notice_from_errno, cpp_ice): New functions.
9146 (cpp_notice): Is now for reporting error conditions, just
9147 without an associated file.
9148 (cpp_error, cpp_error_with_line): Don't do anything if
9149 opts->inhibit_errors is on.
9150 (cpp_pedwarn_with_file_and_line): Take column argument also.
9152 * cpplib.h: Update prototypes of exported functions.
9153 (struct cpp_options): Add inhibit_errors.
9155 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
9156 non-error messages. Include intl.h.
9158 * cppinit.c, cppmain.c: Likewise. Also, use
9159 cpp_notice_from_errno instead of cpp_perror_with_name or
9160 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
9162 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
9163 report internal errors.
9165 * cpplib.c (do_define): Switch bcopy to memcpy.
9166 Give cpp_pedwarn_with_file_and_line a dummy column argument.
9168 * cpplib.c (copy_rest_of_line): Revert previous change: don't
9169 bail out early if we hit a line comment.
9171 2000-02-06 Richard Henderson <rth@cygnus.com>
9173 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
9174 * basic-block.h: Declare them.
9175 * emit-rtl.h (active_insn_p): New.
9176 (next_active_insn, prev_active_insn): Use it.
9177 * rtl.h: Declare it.
9178 * function.c (emit_return_into_block): New.
9179 (thread_prologue_and_epilogue_insns): Insert return insns instead
9180 of epilogues when possible.
9181 * jump.c (jump_optimize_1): Remove code to insert a return insn
9182 on the fallthru to the exit block.
9184 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
9185 and for non-empty stack frames.
9186 * i386.md (return): Expand to return-pop as needed.
9188 2000-02-06 Richard Henderson <rth@cygnus.com>
9190 * simplify-rtx.c (simplify_relational_operation): Canonicalize
9191 constant to op1 for testing.
9193 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9195 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
9196 (fixuns_truncqfqi2): Use it.
9198 2000-02-06 Richard Henderson <rth@cygnus.com>
9200 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
9203 * i386.md (widening and peepholes): Mask the constant instead of
9206 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
9208 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
9209 input pointer before possibly branching off to the backslash
9211 * cpphash.c (macroexpand): Correctly delete \r escapes when
9212 stringifying parameters.
9213 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
9214 if we can; bail out early if we hit a line comment.
9215 (handle_directive): Treat '# 123' in an .S file just like
9216 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
9217 Return 1 for '# not_a_directive'.
9218 (get_directive_token): Pop macro buffers here, so that
9219 cpp_get_token can't sneakily move past a newline.
9221 (cpp_get_token): goto randomchar if handle_directive returns 0.
9223 * cppalloc.c: Update copyright.
9224 * cpplib.c: Merge all the static function prototypes into one
9226 * cpplib.h: Remove #if 0 block.
9228 * cpperror.c: Remove #ifdef EMACS block.
9229 * cppmain.c: Likewise.
9230 * cpphash.c: Remove #if 0 blocks.
9231 * cppinit.c: Remove #if 0 blocks, and the -lint option.
9232 * cpplib.c: Remove #if 0 blocks and code referencing
9233 pcp_inside_if or for_lint. Remove duplicate error message.
9234 Fix error messages for #else after #else or #elif. Reformat.
9235 Remove archaic TODO list.
9236 * cpplib.h: Remove pcp_inside_if and for_lint flags.
9238 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
9240 * i386/osf1elf.h: Add missing backslash to multiline string.
9242 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9244 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
9246 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9248 * Makefile.in (c-common.o): Depend on $(EXPR_H).
9250 * c-common.c: Include expr.h.
9252 * c-pragma.c (mark_align_stack): Add prototype.
9254 * caller-save.c (add_stored_regs): Likewise.
9256 * combine.c (record_promoted_value): Likewise.
9258 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
9261 * cppinit.c (new_pending_define): Likewise.
9263 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
9265 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
9266 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
9267 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
9268 class_scope_p): Likewise.
9270 * dwarf2out.h (dwarf2out_set_demangle_name_func,
9271 dwarf2out_add_library_unit_info): Likewise.
9273 * ggc.h (ggc_page_print_statistics): Likewise.
9275 * haifa-sched.c (propagate_deps): Likewise.
9277 * reg-stack.c (next_flags_user, record_label_references): Likewise.
9279 * rtl.h (set_stack_check_libfunc): Likewise.
9281 * toplev.h (set_fatal_function): Likewise.
9283 * toplev.c (set_fatal_function): Delete prototype.
9285 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
9287 2000-02-05 Geoff Keating <geoffk@cygnus.com>
9289 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
9290 (FUNC_END): Likewise.
9292 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9294 * caller-save.c: Include tm_p.h.
9296 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9298 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
9300 2000-02-04 Neil Booth <NeilB@earthling.net>
9302 * cccp.c (main): Check 'dir' for a NULL pointer before passing
9305 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
9307 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
9308 * genflags.c: Use the max_operand_1 logic from genemit.c to
9309 calculate how many arguments gen_insn prototypes have. Remove
9310 NO_MD_PROTOTYPES ifdefs from the generated file.
9311 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
9312 file. Cast gen_insn initializers to insn_gen_fn.
9313 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
9314 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
9316 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9318 * fixinc/Makefile.in (HDR): Add machname.h.
9321 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9323 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
9324 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
9325 (c4x_cpu_version): Ditto.
9326 * config/c4x/c4x-protos.h: ... here.
9328 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
9330 * dwarf2out.c (add_abstract_origin_attribute): Don't call
9331 gen_abstract_function on our context if we're a nested function.
9333 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9335 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
9336 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
9338 2000-02-04 Bruce Korb <bkorb@gnu.org>
9340 * fixinc/genfixes(machname.h):
9341 Move the functionality from gen-machine.h into this file.
9342 UNdef MN_NAME_PAT if there are no names to change.
9343 Also, be a little kinder when AutoGen is not present.
9345 * fixinc/Makefile.in(machname.h):
9346 Change the generation rule to use genfixes.
9348 * fixinc/fixfixes.c(machine_name):
9349 machine_name_fix's functionality now dependent upon whether
9350 MN_NAME_PAT is defined.
9352 * fixinc/fixtests.c(machine_name):
9355 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
9358 * fixinc/fixlib.h(mn_get_regexps):
9361 * fixinc/gen-machine.h: DELETED
9363 2000-02-04 Jan Hubicka <jh@suse.cz>
9364 Richard Henderson <rth@cygnus.com>
9366 * i386.c (SAVE_REGS_FIRST): Remove.
9367 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
9368 (ix86_compute_frame_size): Likewise.
9369 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
9370 (ix86_emit_restore_regs): Remove.
9371 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
9372 when a frame pointer is in use.
9373 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
9374 instead of pop to restore a register when profitable; emit leave
9376 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
9378 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
9379 * i386.md (prologue_allocate_stack): Remove.
9380 (epilogue_deallocate_stack): Remove.
9381 (pro_epilogue_adjust_stack): New.
9383 2000-02-04 Richard Henderson <rth@cygnus.com>
9385 * function.c (diddle_return_value): Rework to use a callback function.
9386 Use current_function_return_rtx if it's been set up.
9387 (do_clobber_return_reg, clobber_return_register): New.
9388 (do_use_return_reg, use_return_register): New.
9389 (expand_function_end): Use them.
9390 * stmt.c (expand_null_return): Likewise.
9391 * function.h: Declare them.
9392 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
9393 (mark_reg): Change arguments as appropriate for callback.
9394 * integrate.c (expand_inline_function): Revert 19 Jan change.
9396 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
9398 * tm.texi (Values in Registers): Fix typo: "fo" "for".
9399 (Misc): Say the scheduler, not the Haifa scheduler.
9401 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
9403 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
9404 when in_mem is set. Update all callers.
9406 2000-02-04 Richard Henderson <rth@cygnus.com>
9408 * i386/openbsd.h (INT_ASM_OP): Define.
9410 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
9412 * tm.texi: Fix various typos.
9414 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
9416 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
9417 (MD_STARTFILE_PREFIX_1): New macro.
9419 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
9421 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
9422 destination when needed.
9423 (strmovsi, strsetsi): New expander.
9424 (strmovsi_1, strsetsi_1): New pattern.
9425 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
9426 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
9427 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
9428 * invoke.texi (align-stringops, inline-all-stringops): Document.
9430 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
9432 * i386/netbsd.h (INT_ASM_OP): Define.
9434 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
9436 * cpplib.h (cpp_reader): Add new flag, no_directives.
9437 * cpphash.c (macarg): Set it.
9438 * cpplib.c (handle_directive): If no_directives is on and we
9439 find a directive, issue an error and discard the line.
9441 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
9443 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
9444 FP constants. Add ! TARGET_FPU check for FP constants.
9446 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
9448 * flow.c (find_basic_blocks): Don't kill label_value_list
9450 (cleanup_cfg): Kill it here.
9452 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9454 * expr.c (store_field): Ensure ALIGN is no stricter than the
9457 2000-02-02 Richard Henderson <rth@cygnus.com>
9459 * jump.c (delete_insn): Partially revert 19 Jan change;
9460 don't convert unused code labels to notes at -O0.
9462 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9464 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
9465 split_all_insns to recreate REG_LABEL notes for flow2 pass.
9467 2000-02-01 Richard Henderson <rth@cygnus.com>
9469 * i386.c (general_no_elim_operand): New.
9470 (nonmemory_no_elim_operand): New.
9471 (ix86_expand_move): Copy eliminable operands before a push.
9472 * i386-protos.h: Declare new functions.
9473 * i386.h (CAN_ELIMINATE): Simplify.
9474 (PREDICATE_CODES): Update.
9475 * i386.md (push insns): Don't allow eliminable register operands.
9477 2000-02-01 Richard Henderson <rth@cygnus.com>
9479 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
9480 replace BLKmode with DECL_RTL's mode.
9482 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
9484 * frame.c (find_fde): Convert for loop to do-while so compiler
9485 sees it's always executed at least once.
9486 * libgcc2.c (BBINBUFSIZE): Kill.
9487 (__bb_init_prg): Use fgets.
9488 (__bb_exit_trace_func): Don't paste strings.
9489 * unroll.c (unroll_loop): Initialize unroll_type, not
9490 unroll_number, and tweak logic to match.
9492 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
9494 (ix86_flags_dependant): Likewise. Disentangle control flow.
9495 (ix86_sched_reorder): Break guts out to
9496 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
9497 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
9500 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
9501 use string concatenation. Don't save and restore esi.
9503 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
9504 (machname.h): Remove script to separate file. Use two-step
9505 sequence so target is not created if script fails.
9506 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
9507 identifiers are defined.
9508 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
9509 an empty string, machine_name doesn't need to do anything at
9511 (is_cxx_header): Add more cases to regexp.
9512 * fixinc/fixlib.h: Update prototype.
9513 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
9515 * fixinc/fixincl.c: Define NO_BOGOSITY.
9517 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
9518 (hp_sysfile): Add missing comma.
9519 (math_exception): Put the wrapper ifdefs at the beginning and
9520 the end of the file.
9521 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
9523 2000-02-01 Richard Henderson <rth@cygnus.com>
9525 * sparc.c (fp_zero_operand): Turn into a normal predicate.
9526 Use CONST0_RTX. Update all callers.
9527 * sparc.h, sparc-protos.h: Update accordingly.
9528 * sparc.md (fp mov insns): Use fp_zero_operand directly
9531 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
9533 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
9536 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9538 * Makefile.in (specs.ready): New target.
9539 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
9541 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9543 * fixinc.irix: Use unique filenames for writing into /tmp,
9544 * fixinc.ptx: Likewise.
9545 * fixinc.sco: Likewise.
9546 * fixinc.svr4: Likewise.
9547 * fixinc.winnt: Likewise.
9549 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9551 * tsystem.h: New file.
9553 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
9554 s-crtS): Depend on tsystem.h.
9556 * crtstuff.c: Include tsystem.h.
9557 * frame.c: Likewise.
9558 * libgcc2.c: Likewise.
9560 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
9562 * builtins.c (expand_builtin_memset): Expand for variable sized
9565 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
9567 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
9570 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
9572 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
9574 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
9576 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
9578 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
9579 case 3->2 combining (combining with splitting) in which 2 is CC0
9580 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
9581 checked at the begining of the function with the aid of calling
9582 function 'can_combine_p'.
9584 2000-01-31 Dave Brolley <brolley@redhat.com>
9586 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
9588 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
9590 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
9593 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9595 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
9597 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
9600 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9602 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
9603 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
9604 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
9605 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
9606 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
9607 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
9608 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
9609 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
9610 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
9611 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
9613 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
9614 Add %(cpp_cpu) to CPP_SPEC.
9616 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
9617 Add %(cc1_cpu) to CC1_SPEC.
9619 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9621 * c-decl.c (c_decode_option): Accept optional numeric argument to
9622 -Wformat and set warn_format.
9623 * c-common.c: Don't emit warning about non-constant printf format
9624 string unless warn_format > 1.
9626 2000-01-30 Richard Henderson <rth@cygnus.com>
9628 * alpha.md (return_internal): Allow after reload only.
9630 2000-01-30 Richard Henderson <rth@cygnus.com>
9632 * i386.c (ix86_compute_frame_size): Omit padding1 if the
9633 local frame size is zero.
9635 2000-01-30 Richard Henderson <rth@cygnus.com>
9637 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
9638 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
9639 * alpha.md (return): Turn into an expander.
9640 (return_internal): Don't use $26.
9641 (epilogue): Emit the return insn.
9643 2000-01-30 Richard Henderson <rth@cygnus.com>
9645 * alpha.md (negtf2, abstf2): Fix word order thinko.
9647 (trunctfsf2): Avoid intermediate rounding errors.
9649 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9651 * cppfiles.c (find_position): Drop 'colp' argument, return the
9653 (read_and_prescan): Adjust to match. Don't ever manipulate
9654 line or line_base except via find_position.
9656 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9658 * c-parse.in: Apply Ulrich's changes from c-parse.y.
9659 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
9662 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9664 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
9665 just print "<command line>". If 'filename' is null or an
9666 empty string, print "<stdin>" for the filename.
9667 * cpplib.c (do_define): Don't print the 'location of the
9668 previous definition' message if we're still parsing the
9670 (cpp_pedwarn_with_file_and_line): Always call
9671 cpp_file_line_for_message.
9673 2000-01-29 Mark Mitchell <mark@codesourcery.com>
9675 * flow.c (mark_regs_live_at_end): Fix typo.
9677 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9679 * c-common.c: Adjust variable names, comments, help strings to c99.
9680 * c-lex.c: Likewise.
9681 * c-parse.y: Likewise.
9682 * c-tree.h: Likewise.
9684 * cpplib.h: Likewise.
9685 * c-decl.c: Likewise. Recognize options with names "*99" as well.
9686 * cppinit.c: Likewise.
9688 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9690 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
9691 * c4x.c: Define the optab rtx values.
9692 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
9693 (c4x_emit_libcall): Use new optab rtx values.
9694 (c4x_emit_libcall3): Likewise.
9695 (c4x_emit_libcall_mulhi): Likewise.
9696 * c4x-protos.h: Add prototypes for optab rtx values and change
9697 prototypes for above c4x_emit_libcall functions.
9699 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9701 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
9703 (c4x_function_prologue): Use regnames intead of float_reg_names when
9705 (c4x_function_epilogue): Likewise.
9706 (c4x_print_operand): Likewise.
9707 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
9708 * c4x.md (set_high): Disable for TARGET_TI.
9710 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9712 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
9713 of framepointer + constant to ADDR_REGS class.
9714 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
9715 * c4x.c (std_or_reg_operand): New function.
9716 * c4x-protos.h (std_or_reg_operand): Prototype it.
9718 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9720 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
9721 object names as libgcc2.c.
9722 * libgcc.S: Use newly defined names.
9724 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
9725 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
9727 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
9728 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
9729 (FLOW_LOOP_LAST_BLOCK): Likewise.
9731 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9733 * basic-block.h (struct loop): New fields 'first' and 'last'.
9734 * flow.c (flow_loops_find): Compute loop->first and loop->last.
9735 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
9736 and loop->last to check for NOTE_INSN_LOOP_END.
9738 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
9740 * predict.c (estimate_probability): Use the new FIRST and LAST fields
9741 of the loop descriptor rather than HEADER and LATCH. Also added
9742 missing break statements as well making some coding style modifications
9743 as suggested by Michael Hayes.
9745 2000-01-28 Richard Henderson <rth@cygnus.com>
9747 * flow.c (find_basic_blocks): Remove do_cleanup argument.
9748 Break out that code ...
9749 (cleanup_cfg): ... here.
9750 (commit_one_edge_insertion): Detect a return instruction being
9751 emitted to an edge. Emit a barrier following; clear fallthru.
9752 (commit_edge_insertions): Verify CFG consistency.
9753 * function.c (expand_function_start): Kill unused variable.
9754 (expand_function_end): Likewise.
9755 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
9756 to insert the epilogue.
9758 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
9759 (delete_null_pointer_checks): Likewise.
9760 * output.h: Likewise.
9761 * reg-stack.c (reg_to_stack): Likewise.
9762 * toplev.c (rest_of_compilation): Likewise. Run
9763 thread_prologue_and_epilogue_insns after rebuilding the CFG.
9765 2000-01-28 Richard Henderson <rth@cygnus.com>
9767 * Makefile.in (flow.o): Revert 24 Jan change.
9768 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
9769 FUNCTION_VALUE result to DECL_RESULT's mode.
9771 * haifa-sched.c (schedule_insns): Don't recompute reg info
9774 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
9776 * configure.in: Make --enable-cpplib the default.
9777 * configure: Regenerate.
9778 * gcc.dg/990119-1.c: No longer expected to fail.
9780 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
9782 * jump.c (jump_optimize_1): Delete an optimization that is also done
9783 by merge_blocks in flow.
9785 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9787 * diagnostic.c (build_message_string, output_printf,
9788 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
9789 (build_location_prefix): Fix non-literal format string.
9791 2000-01-27 Richard Henderson <rth@cygnus.com>
9793 * alpha.md (trunctfsf2): New.
9795 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
9797 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
9799 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9801 * cppinit.c (cpp_handle_option): Recognize C++ comments under
9803 * cpplib.c (skip_block_comment, skip_line_comment): Split code
9805 (skip_comment) ... here. Permit C++ comments in system
9806 headers always. Warn about C++ comments in user code under
9807 -std=gnu89 -pedantic.
9808 (copy_comment): Use skip_comment.
9809 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
9811 (consider_directive_while_skipping, do_else, do_endif): Call
9812 validate_else unconditionally.
9813 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
9814 text after the conditional in a system header.
9815 * cpplib.h (struct cpp_buffer): Add flag
9816 warned_cplusplus_comments.
9818 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9820 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
9821 Use unshare_all_rtl_1.
9822 (unshare_all_rtl_again): New function.
9823 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
9825 * function.c (purge_addressof_1): Use unshare_all_rtl_again
9826 rather than resetting the 'used' flags ourself.
9828 * toplev.c (rest_of_compilation): Add current_function_decl
9829 to the unshare_all_rtl call.
9830 * tree.h: Prototype unshare_all_rtl.
9831 * rtl.h: Prototype unshare_all_rtl_again here.
9833 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9835 * genoutput.c (output_prologue): Include ggc.h in generated
9837 * Makefile.in (insn-output.o): Depends on ggc.h.
9839 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
9840 Hans-Peter Nilsson <hp@bitrange.com>
9842 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
9843 Remove redundant include of xm-ns32k.h.
9844 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
9845 Remove redundant include of xm-ns32k.h.
9846 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
9847 Remove redundant include of xm-ns32k.h.
9848 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
9850 * ns32k/ns32k.h: Update comment on multiply-add instructions.
9851 (TARGET_SWITCHES): Add documentation strings.
9852 (DWARF_FRAME_REGNUM): Override default definition.
9853 (REG_CLASS_CONTENTS): Add comments.
9854 (SUBSET_P): Format to reduce line length.
9855 (SMALL_REGISTER_CLASSES): Make a run time option.
9856 (GO_IF_NONINDEXED_ADDRESS): Reformat.
9857 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
9858 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
9859 (regclass_map): fix typo in comment.
9860 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
9861 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
9862 (trace, reg_or_mem_operand): Delete, unused function.
9863 (calc_address_cost): Small offsets are cheaper than large ones.
9864 (expand_block_move): Generate more efficient code when bytes is a
9865 known at compile time.
9866 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
9867 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
9868 instead of reg_or_mem_operand.
9870 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
9871 not general_operand. Similarly use "=rm" or stricter, not "=g".
9872 For input operands, use stricter constraints than "g" if not
9873 general_operand. Similarly use stricter predicate than
9874 "general_operand" when stricter constraints than "g" are present,
9875 except for matching constraints.
9876 (movstrsi): Use "memory_operand" for operands 0 and 1.
9877 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
9878 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
9879 not reg_or_mem_operand.
9880 (udivmoddisi4): Ditto.
9881 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
9882 Use nonimmediate_operand for operand 3, not register_operand.
9883 (udivmoddiqi4_internal): Use register_operand for operand 1, not
9886 2000-01-27 Fred Fish <fnf@be.com>
9888 * gthr-posix.h: Fix typo; compatibily -> compatibility.
9889 * gthr-single.h: Likewise.
9890 * gthr-solaris.h: Likewise.
9891 * gthr-vxworks.h: Likewise.
9892 * gthr-win32.h: Likewise.
9895 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9897 * cppinit.c: Add " (cpplib)" to end of string printed by
9900 2000-01-27 Richard Henderson <rth@cygnus.com>
9902 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
9903 testing for a signed comparison.
9904 (alpha_emit_floatuns): New.
9905 * alpha-protos.h: Declare it.
9906 * alpha.md (floatunsdisf2, floatunsdidf2): New.
9907 (extendsfdf2): Tidy.
9909 2000-01-27 Jakub Jelinek <jakub@redhat.com>
9911 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
9912 no -g option specifying debugging format, default to -gstabs+.
9914 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9916 * calls.c (special_function_p): New argument fork_or_exec.
9917 (expand_call): When profile_arc_flag is set and the function
9918 is in the fork_or_exec group, call __bb_fork_func first.
9919 * libgcc2.c, _bb module (__bb_fork_func): New function.
9920 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
9922 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
9923 * tree.h (special_function_p): Update prototype.
9925 2000-01-26 Richard Henderson <rth@cygnus.com>
9927 * alpha.c (alpha_split_tfmode_pair): New.
9928 * alpha-protos.h: Declare it.
9929 * alpha.md (abstf2, negtf2): New.
9930 (movtf insn): Add input G constraint.
9931 (movtf splitter): Use alpha_split_tfmode_pair.
9933 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9935 * i386/cygwin.h: PROTO -> PARAMS.
9937 2000-01-26 Jakub Jelinek <jakub@redhat.com>
9939 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
9940 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
9941 using _Qp_cmp/_Q_cmp and testing the return value.
9942 (print_operand): Call reverse_condition_maybe_unordered if
9943 we are handling CCFPmode or CCFPEmode.
9944 Handle ORDERED, UN* and LTGT comparisons.
9945 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
9946 if not TARGET_HARD_QUAD.
9947 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
9948 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
9949 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
9950 Adjust gen_b* calls so that they reflect return comparison of
9951 sparc_emit_float_lib_cmp.
9953 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9955 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
9956 incoming operands array is large enough for one more operand.
9957 (alpha_emit_xfloating_arith): Likewise.
9959 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9961 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
9962 file with one line and no trailing newline.
9963 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
9964 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
9965 checking if the match is on the line.
9966 * fixinc/gnu-regex.c: Provide regerror not __regerror.
9968 2000-01-25 Richard Henderson <rth@cygnus.com>
9970 * sparc.c (output_cbranch): Fix accidental squashing of the
9971 fp branch pre-delay nop.
9973 2000-01-25 Richard Henderson <rth@cygnus.com>
9975 * tree.def (UNNE_EXPR): Remove.
9976 * c-typeck.c (build_binary_op): Don't handle it.
9977 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
9979 * rtl.def (UNNE): Remove.
9981 * jump.c (reverse_condition): Update accordingly.
9982 (swap_condition): Likewise.
9983 (comparison_dominates_p): Handle unordered comparisons.
9984 (reverse_condition_maybe_unordered): New.
9985 * rtl.h (reverse_condition_maybe_unordered): Declare.
9987 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
9988 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
9989 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
9990 * sparc.md (bltgt): New.
9992 2000-01-25 Nick Clifton <nickc@redhat.com>
9994 * emit-rtl.c (emit_insn): Only check machine class insns for
9995 improper emission of a RETURN.
9997 2000-01-25 Richard Henderson <rth@cygnus.com>
9999 * Makefile.in (flow.o): Depend on $(EXPR_H).
10000 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
10001 duplicate the structure of diddle_return_value for keeping regs live.
10003 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10005 * loop.c (current_loop_info): Delete.
10006 (consec_sets_invariant_p): Add loop argument, update callers.
10007 (get_condition_for_loop): Likewise.
10008 (count_nonfixed_reads, update_giv_derive): Likewise.
10009 (simplify_giv_expr, general_induction_var): Likewise.
10010 (consec_sets_giv, recombine_givs): Likewise.
10011 (move_movables): Delete loop_start and loop_end arguments,
10012 add loop argument, and update callers.
10013 (find_mem_givs, check_final_value): Likewise.
10014 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
10015 (loop_invariant_p): Rename from invariant_p, add loop argument, and
10017 (basic_induction_var): Add loop argument, delete loop_level argument,
10018 and update callers.
10019 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
10020 add loop argument, and update callers.
10021 (find_splittable_regs, find_splittable_givs): Likewise.
10022 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
10023 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
10024 (biv_total_increment): Delete loop_start and loop_end arguments;
10026 (precondition_loop_p): Delete loop_start and loop_info arguments;
10028 * loop.h (get_condition_for_loop): Add loop argument.
10029 (biv_total_increment): Delete loop_start and loop_end arguments.
10030 (precondition_loop_p): Delete loop_start and loop_info arguments;
10032 (final_biv_value): Delete loop_start and loop_end arguments;
10034 (final_giv_value, back_branch_in_range_p): Likewise.
10036 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
10038 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
10040 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
10042 * Makefile.in (c-gperf.h) : Change the "See" pointer to
10043 point to the new "generated_files" doc.
10045 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
10047 * config/fp-bit.c (_unord_f2): Fix typo.
10049 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
10051 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
10052 c-typeck.c, objc/objc-act.c: Remove all references to obstack
10053 functions obsoleted by GC, such as push_obstacks_nochange,
10054 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
10055 and code which existed only to decide whether or not to call
10056 them. Remove now-unused NESTED argument from start_function;
10057 all callers changed. Do not change behavior based on ggc_p.
10058 The use of the ixp_obstack in c-iterate.c and the util_obstack
10059 in objc/objc-act.c remain; these are not obsoleted by garbage
10061 * c-tree.h: Update prototype for start_function.
10063 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
10065 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
10067 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
10070 2000-01-25 Richard Henderson <rth@cygnus.com>
10072 * sparc-protos.h (select_cc_mode): Declare.
10073 * sparc.c (select_cc_mode): New. Handle unordered compares.
10074 (output_cbranch): Always reverse via code change. Handle
10075 unordered compares. Factor tests and string updates.
10076 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
10077 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
10078 * sparc.md (bunordered, bordered): New.
10079 (bungt, bunlt, buneq, bunge, bunle): New.
10081 2000-01-25 Richard Henderson <rth@cygnus.com>
10083 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
10084 * ggc-common.c (ggc_add_rtx_varray_root): New.
10085 (ggc_mark_rtx_varray): New.
10086 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
10087 functions down below ggc_mark_foo.
10088 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
10090 2000-01-25 Richard Henderson <rth@cygnus.com>
10092 * alpha.c (secondary_reload_class): Don't allocate a secondary
10093 for integral mode memories into FLOAT_REGS. Rearrange the more
10094 complicated memory expression inward.
10096 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
10098 * inclhack.def: Fixes to play nicer with FreeBSD, and
10099 corrections to comments.
10100 (cxx_unready): Add select expression.
10101 (irix_sockaddr): Add bypass expression.
10102 (machine_ansi_h_va_list): New fix.
10103 (stdio_va_list): No need to edit _BSD_VA_LIST_.
10104 Split out addition of "#include <stdarg.h>" to...
10105 (stdio_stdarg_h): ... here.
10106 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
10107 to stdlib.h also. Do not munge _BSD_SIZE_T_.
10108 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
10110 (ultrix_ifdef): Tighten up select expression.
10112 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
10113 re_ct and max_mach to avoid use of shell. Make printed names
10114 match names in inclhack.def. Use static copyright date.
10115 Don't count c_test and test expressions as requiring regex_t
10116 slots. Add some commentary.
10117 * inclhack.tpl: Do not include the 'This script contains N
10118 fixup scripts' line if PROGRAM is defined. Use static
10121 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
10123 * dwarf2out.c: include "varray.h", not dyn-string.h.
10124 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
10125 (addr_const_to_string, addr_to_string): Lose.
10126 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
10127 (struct dw_val_struct): val_addr is now an rtx.
10128 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
10129 (used_rtx_varray): New varray.
10130 (dwarf2out_init): Initialize it.
10131 (save_rtx): New fn.
10132 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
10134 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
10135 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
10136 * Makefile.in (dwarf2out.o): Update dependencies.
10138 2000-01-24 Richard Henderson <rth@cygnus.com>
10140 * i386.c (i386_dwarf_output_addr_const): New.
10141 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
10143 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
10145 * dwarfout.c (output_mem_loc_descriptor): Likewise.
10146 * i386.c (i386_simplify_dwarf_addr): New.
10147 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
10149 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
10151 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
10152 TYPE_STUB_DECL is NULL.
10154 2000-01-24 Richard Henderson <rth@cygnus.com>
10156 * builtins.c (expand_tree_builtin): Move ...
10157 * c-common.c (expand_tree_builtin): ... here.
10159 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10161 * loop.h (LOOP_INFO): New accessor macro.
10162 * basic-block.h (struct loop): Rename field `info' to `aux'.
10163 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
10164 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
10165 * unroll.c (loop_iterations, unroll_loop): Likewise.
10167 2000-01-24 Christopher Faylor <cgf@cygnus.com>
10169 * config/i386/t-cygwin: Accomodate new winsup directory layout
10170 when searching for include files.
10172 2000-01-24 Richard Henderson <rth@cygnus.com>
10174 * rtl.def: Add unordered fp comparisions.
10175 * tree.def: Likewise.
10176 * tree.h: Add ISO C 9x unordered fp comparision builtins.
10178 * builtins.c (expand_tree_builtin): New function.
10179 * c-typeck.c (build_function_call): Use it.
10180 (build_binary_op): Support unordered compares.
10181 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
10183 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
10184 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
10185 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
10186 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
10187 * jump.c (reverse_condition): Don't abort for UNLE etc, but
10189 (swap_condition): Handle unordered compares.
10190 (thread_jumps): Check can_reverse before reversing.
10191 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
10194 * optabs.c (can_compare_p): New argument CODE. Verify branch or
10195 setcc is present before acking for cmp_optab. Update all callers.
10196 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
10197 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
10198 * expr.c (expand_expr): Likewise. Support unordered compares.
10199 (do_jump, do_store_flag): Likewise.
10200 * expr.h (enum libfunc_index): Add unordered compares.
10202 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
10203 (DPBIT_FUNCS): Add _unord_df.
10204 * config/fp-bit.c (_unord_f2): New.
10205 * fp-test.c (main): Try unordered compare builtins.
10207 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
10208 * alpha.c (alpha_comparison_operator): Check mode properly.
10209 (alpha_swapped_comparison_operator): Likewise.
10210 (signed_comparison_operator): Likewise.
10211 (alpha_fp_comparison_operator): New.
10212 (alpha_emit_conditional_branch): Handle unordered compares.
10213 * alpha.h (PREDICATE_CODES): Update.
10214 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
10215 (bunordered, bordered): New.
10217 2000-01-24 Richard Henderson <rth@cygnus.com>
10219 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
10220 * alpha.md (movtf): New expander, insn, and splitter.
10222 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
10224 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
10227 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
10229 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
10230 (FIXED_REGISTERS, CALL_USED_REGISTERS,
10231 REG_ALLOC_ORDER): Add frame pointer
10232 (FRAME_POINTER_REGNUM): Set to 20
10233 (HARD_FRAME_POINTER_REGNUM): New macro.
10234 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
10235 to HARD_FRAME_POINTER.
10236 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
10237 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
10238 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
10239 (HI_REGISTER_NAMES): Add "frame".
10240 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
10241 (debug_reg): Handle FRAME_POINTER_REGNUM.
10242 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
10243 GENERAL_REGS and INDEX_REGS.
10244 * i386.c (SAVED_REGS_FIRST): new macro.
10245 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
10246 (ix86_decompose_address, memory_address_length): Likewise.
10247 (regclass_map): Add frame pointer.
10248 (call_insn_operand): Handle frame_pointer_rtx.
10249 (reg_no_sp_operand): Likewise.
10250 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
10251 (print_operand, legitimize_pic_address): Fix formating.
10252 (ix86_compute_frame_size): Make static, update prototype, new
10253 parameters padding1, padding2, use ix86_nsaved_regs, use
10254 stack_alignment_needed.
10255 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
10256 to HARD_FRAME_POINTER_REGNUM conversions.
10257 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
10258 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
10259 (print_reg): Abort on FRAME_POINTER_REGNUM
10261 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
10263 * i386.h (PREDICATE_CODES): Add aligned_operand.
10264 * i386.c (aligned_operand): New function.
10265 (ix86_aligned_p): Kill.
10266 * i386.md (movhi_1): Emit mov for aligned operands.
10267 (promoting peep2s): Use aligned_operand.
10269 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
10271 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
10272 expression to allow underscores in macro names.
10273 (fix_char_macro_defines): Increment scanning pointer.
10275 2000-01-23 Richard Henderson <rth@cygnus.com>
10277 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
10278 * alpha/osf5.h: New file.
10279 * configure.in (alpha-*-osf5): Add it to tm_file.
10281 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
10283 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
10284 (alpha_emit_xfloating_cvt, function_arg): Declare.
10285 * alpha.c (alpha_emit_conditional_branch): Call
10286 alpha_emit_xfloating_compare for TFmode compares.
10287 (alpha_lookup_xfloating_lib_func): New.
10288 (alpha_compute_xfloating_mode_arg): New.
10289 (alpha_emit_xfloating_libcall): New.
10290 (alpha_emit_xfloating_arith): New.
10291 (alpha_emit_xfloating_compare): New.
10292 (alpha_emit_xfloating_cvt): New.
10293 (print_operand): Add default abort case.
10294 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
10295 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
10296 (BIGGEST_ALIGNMENT): Increase to 128 bits.
10297 (RETURN_IN_MEMORY): True for TF/TCmode.
10298 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
10299 (FUNCTION_ARG): Move to function_arg.
10300 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
10301 (ASM_OUTPUT_LONG_DOUBLE): New.
10302 (ASM_OUTPUT_DOUBLE): Always output bits.
10303 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
10304 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
10305 (extenddftf2, trunctfdf2): New.
10307 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10309 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
10310 * config/sparc/sol2.h: ... here.
10312 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10314 * basic-block.h (struct loops): New field `levels'.
10315 * flow.c (flow_loops_level_compute): Traverse all outer loops.
10316 (flow_loop_level_compute): Initialise level to 1.
10317 (flow_loops_find): Set loops->levels.
10318 (flow_loops_dump): Print loops->levels.
10320 2000-01-23 Richard Henderson <rth@cygnus.com>
10322 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
10323 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
10325 2000-01-23 Richard Henderson <rth@cygnus.com>
10327 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
10328 * i386.h (DBX_REGISTER_NUMBER): Use them.
10329 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
10330 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
10331 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
10332 * i386/sequent.h: Kill incorrect comment.
10334 2000-01-23 Mark Mitchell <mark@codesourcery.com>
10336 * ggc-page.c (struct page_entry): Make `context_depth' an
10338 (struct globals): Likewise.
10340 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
10342 * loop.c (check_dbra_loop): When checking a loop for
10343 reversability, check the source of any stores to ensure
10344 they don't depend on an initial value.
10346 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10348 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
10350 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
10352 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
10353 'pz_scan' into scope of entire function. Only affects
10354 compiles with -DDEBUG.
10356 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
10358 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
10359 section naming to that prior to 2000-01-07 patch.
10360 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
10361 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
10362 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
10363 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
10364 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
10366 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
10368 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
10371 2000-01-21 Jim Wilson <wilson@cygnus.com>
10373 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
10374 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
10376 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10378 * cpphash.c (change_newlines): Delete function.
10379 (struct argdata): Delete 'newlines' and 'use_count' fields.
10380 (macroexpand): Remove code referencing those fields.
10382 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10384 * loop.c (loops_info): New variable.
10385 (loop_optimize): Allocate loops->array and free it on exit.
10386 Allocate memory for loops_info and assign to each loop,
10388 (find_and_verify_loops): Do not allocate loops->array.
10390 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10392 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
10394 2000-01-21 Jakub Jelinek <jakub@redhat.com>
10396 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
10397 pseudos if expanded after first flow.
10398 (movdi_pic_label_ref): Likewise.
10400 2000-01-20 Richard Henderson <rth@cygnus.com>
10402 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
10404 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
10406 * Makefile.in (fixinc.sh): Depend on specs.
10407 * fixinc/Makefile.in: Add rule to create machname.h.
10408 (fixlib.o): Depend on machname.h.
10409 * fixinc/fixtests.c (machine_name): New test.
10410 * fixinc/fixfixes.c (machine_name): New fix.
10411 * fixinc/fixlib.c (mn_get_regexps): New helper function for
10412 the machine_name test and fix.
10413 * fixinc/fixlib.h: Prototype it.
10414 * fixinc/inclhack.def (machine_name): Use the C test and fix.
10415 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
10417 * gcc.c (do_spec_1) [case P]: Take care not to create
10418 identifiers with three leading or trailing underscores.
10420 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
10421 (fixincl): Don't specify libraries twice on link line.
10422 (gnu-regex.o): Remove special rule.
10423 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
10424 defined by config.h. Do not define _REGEX_RE_COMP.
10425 (regcomp): Allocate and initialize a fastmap.
10426 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
10428 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
10430 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
10432 2000-01-19 Richard Henderson <rth@cygnus.com>
10434 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
10435 arguments with BB. Update all callers. Tidy line wrapping.
10437 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
10439 * emit-rtl.c (try_split): Return last_insn if we split the
10442 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
10444 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
10445 (ix86_initial_elimination_offset): Declare.
10446 * i386.c (ix86_nsaved_regs): Break out from ...
10447 (ix86_can_use_return_insn_p): ... here.
10448 (ix86_emit_save_regs): Break out from ...
10449 (ix86_expand_prologue): ... here.
10450 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
10452 (ix86_expand_epilogue): ... here.
10453 (ix86_compute_frame_size): Make static, add prototype.
10454 (ix86_initial_elimination_offset): Break out from ...
10455 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
10457 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10459 * recog.h (OUT_FCN): Delete.
10461 * vax.md: Call `get_insn_template' instead of OUT_FCN.
10463 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10465 * cppalloc.c: PROTO -> PARAMS.
10466 * cpperror.c: Likewise.
10467 * cppfiles.c: Likewise.
10468 * cpplib.c: Likewise.
10469 * cpplib.h: Likewise.
10471 * config/arm/arm-protos.h: PROTO -> PARAMS.
10472 * config/arm/arm.c: Likewise.
10473 * config/c4x/c4x.c: Likewise.
10474 * config/fr30/fr30-protos.h: Likewise.
10475 * config/nextstep.c: Likewise.
10476 * config/pa/pa.c: Likewise.
10477 * config/pj/pj.c: Likewise.
10478 * config/rs6000/rs6000.c: Likewise.
10479 * config/v850/v850-protos.h: Likewise.
10480 * config/v850/v850.c: Likewise.
10482 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10484 * i370-protos.h: New file.
10486 * i370.c: Include tm_p.h. Fix compile time warnings.
10488 * i370.h: Move prototypes to i370-protos.h. Fix compile time
10491 * i370.md: Likewise.
10493 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10495 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
10496 (target_isinf, target_isnan, eisnan): Mark parameter with
10498 (eiisinf): Wrap in INFINITY.
10499 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
10500 (ibmtoe): Remove unused variable `rndsav'.
10502 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10504 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
10505 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
10507 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
10509 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
10510 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
10511 (fix_char_macro_defines, fix_char_macro_uses): New functions.
10513 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
10514 Recognize Emacs mode markers also.
10515 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
10516 C++ comments in C++ headers. Call is_cxx_header only if
10519 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
10520 bypass for ncurses.
10521 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
10522 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
10523 ... these, which use the new C fixes.
10524 (math_exception): Escape literal '+' in bypass expression.
10526 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
10529 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10531 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
10534 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10536 * loop.c (loop_optimize): Allocate loop_info structure for each loop
10537 prior to calling scan_loop.
10539 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10541 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
10542 (split_branches, calc_live_regs): Likewise.
10544 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10546 * sh.md (fpu_single, fp_mode): New attributes.
10548 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10550 * loop.c (current_loop_info): Renamed from loop_info_data
10551 and changed to a pointer.
10552 (loop_optimize): Allocate loop_info structure for each loop
10553 and initialise to zero.
10554 (scan_loop): Set current_loop_info.
10556 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
10559 2000-01-19 Richard Henderson <rth@cygnus.com>
10561 * stupid.c: Die die die.
10562 * Makefile.in (OBJS): Remove stupid.o.
10563 (stupid.o): Likewise.
10565 * except.c (emit_eh_context): Don't emit USEs for stupid.
10566 * explow.c (probe_stack_range): Likewise.
10567 * flags.h (obey_regdecls): Remove.
10568 * flow.c (find_basic_blocks): Don't run try_merge_blocks
10569 when not optimizing.
10570 (life_analysis): Limit data collection when not optimizing.
10571 (mark_regs_live_at_end): Always mark the return value registers.
10572 (mark_used_regs): Remove dummy RETURN case.
10573 (print_rtl_with_bb): Don't consult obey_regdecls.
10574 * function.c (use_variable, use_variable_after): Remove.
10575 (assign_parms): Consult optimize not obey_regdecls.
10576 (expand_function_start): Don't emit USEs for stupid.
10577 (expand_function_end): Likewise.
10578 * global.c (build_insn_chain): Export.
10579 * integrate.c (expand_inline_function): Kill return-value USE
10581 * jump.c (jump_optimize_1): Do simple jump optimizations and
10582 dead code elimination.
10583 (calculate_can_reach_end): Remove check_deleted argument.
10584 (delete_insn): Patch out insns even when not optimizing.
10585 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
10586 * rtl.h (use_variable, use_variable_after): Remove declarations.
10587 (build_insn_chain): Declare.
10588 * stmt.c (expand_value_return): Don't emit USEs for stupid.
10589 (expand_end_bindings): Likewise.
10590 (expand_decl): Likewise. Consult optimize not obey_regdecls.
10591 * toplev.c (obey_regdecls): Remove.
10592 (rest_of_compilation): Don't set it. Kill stupid in favour of
10593 flow1, local-alloc, and reload.
10594 (main): Don't set obey_regdecls.
10596 * config/nextstep.c (handle_pragma): Likewise.
10598 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
10600 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
10602 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10604 * alpha-protos.h: PROTO -> PARAMS.
10605 * alpha.c: Likewise.
10607 * h8300.c: Likewise.
10608 * i386-protos.h: Likewise.
10609 * i386.c: Likewise.
10610 * m32r-protos.h: Likewise.
10611 * m32r.c: Likewise.
10612 * mips.c: Likewise.
10613 * mips.md: Likewise.
10614 * gmon-sol2.c: Likewise.
10615 * sparc.c: Likewise.
10617 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10619 * ns32k-protos.h: New file.
10621 * ns32k.c: Fix compile time warnings.
10623 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
10626 * ns32k.md: Likewise.
10628 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10630 * vax-protos.h: New file.
10632 * vax.c: Fix compile time warnings.
10634 * vax.h: Move prototypes to vax-protos.h. Fix compile time
10637 * vax.md: Likewise.
10639 * vaxv.md: Likewise.
10641 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10643 * romp-protos.h: New file.
10645 * romp.c: Fix compile time warnings.
10647 * romp.h: Move prototypes to romp-protos.h. Fix compile time
10650 * romp.md: Likewise.
10652 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10654 * we32k-protos.h: New file.
10656 * we32k.c: Fix compile time warnings.
10658 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
10661 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10663 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
10665 * except.c (eh_regs): Likewise.
10667 * final.c (output_operand): Likewise.
10669 * fold-const.c (target_isinf, target_isnan): Likewise.
10671 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10673 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
10674 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
10676 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
10677 when optimize_size.
10678 (clrstrsi): Rewrite.
10679 (strsethi, strsetqi): New expanders.
10680 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
10681 (cmpstrsi): Emit compare insn before cmpstrsi_1
10682 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
10683 (strlensi_1): Likewise.
10684 (cmpstrsi_1): Likewise; do not output compare.
10685 (strlen expander): Do not unroll when optimizing for size.
10686 (*subsi3_carry): Rename to subsi3_carry
10687 (addqi3_cc): New pattern.
10688 * i386.h (processor_costs): Add move_ratio field.
10689 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
10690 * i386.c (*_cost): Set move_ratio.
10691 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
10692 (x86_expand_strlensi_1): Rewrite the main loop.
10694 2000-01-17 Richard Henderson <rth@cygnus.com>
10696 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
10697 * cse.c (find_comparison_args, fold_rtx): Likewise.
10698 * integrate.c (subst_constants): Likewise.
10699 * loop.c (get_condition): Likewise.
10701 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
10703 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
10705 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10707 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
10708 (RESTORE_WARN_FLAGS): Unpack it.
10709 Change semantic type of extension to ttype.
10710 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
10711 * c-parse.y, c-parse.c, objc/objc-parse.y,
10712 objc/objc-parse.c: Regenerate.
10714 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
10716 * fixinc/fixlib.c: Add copyright notice.
10717 (compile_re): New function.
10718 * fixinc/fixlib.h: Prototype compile_re.
10720 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
10721 Use compile_re to compile regular expressions.
10723 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
10724 where the pattern matched.
10726 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
10728 (ultrix_ansi_compat): Likewise.
10729 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
10731 (interactv_add2, interactv_add3): Delete.
10732 (x11_sprintf): Don't use filename glob.
10733 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
10736 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10738 * print-rtl.c: PROTO -> PARAMS.
10739 * real.c: Likewise.
10740 * reg-stack.c: Likewise.
10741 * resource.c: Likewise.
10742 * sdbout.h: Likewise.
10743 * simplify-rtx.c: Likewise.
10744 * stor-layout.c: Likewise.
10745 * stupid.c: Likewise.
10746 * xcoffout.c: Likewise.
10747 * xcoffout.h: Likewise.
10749 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10751 * toplev.c: PROTO -> PARAMS.
10752 * toplev.h: Likewise.
10753 * tree.c: Likewise.
10754 * tree.h: Likewise.
10755 * unroll.c: Likewise.
10756 * varasm.c: Likewise.
10757 * varray.c: Likewise.
10758 * varray.h: Likewise.
10760 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10762 * reload.c: PROTO -> PARAMS.
10763 * reload.h: Likewise.
10764 * reload1.c: Likewise.
10765 * reorg.c: Likewise.
10766 * resource.h: Likewise.
10769 * rtlanal.c: Likewise.
10770 * sbitmap.h: Likewise.
10771 * sdbout.c: Likewise.
10772 * stack.h: Likewise.
10773 * stmt.c: Likewise.
10774 * system.h: Likewise.
10776 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10778 * machmode.h: PROTO -> PARAMS.
10779 * mbchar.h: Likewise.
10780 * mips-tdump.c: Likewise.
10781 * mips-tfile.c: Likewise.
10782 * optabs.c: Likewise.
10783 * output.h: Likewise.
10784 * prefix.c: Likewise.
10785 * profile.c: Likewise.
10786 * protoize.c: Likewise.
10787 * real.h: Likewise.
10788 * recog.c: Likewise.
10789 * recog.h: Likewise.
10790 * regclass.c: Likewise.
10791 * regmove.c: Likewise.
10792 * regs.h: Likewise.
10794 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10796 * ggc-common.c: PROTO -> PARAMS.
10797 * ggc-page.c: Likewise.
10798 * ggc-simple.c: Likewise.
10800 * global.c: Likewise.
10801 * graph.c: Likewise.
10802 * gthr-win32.h: Likewise.
10803 * haifa-sched.c: Likewise.
10804 * halfpic.h: Likewise.
10805 * integrate.c: Likewise.
10806 * integrate.h: Likewise.
10807 * jump.c: Likewise.
10809 * local-alloc.c: Likewise.
10810 * loop.c: Likewise.
10811 * loop.h: Likewise.
10813 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10815 * genattr.c: PROTO -> PARAMS.
10816 * genattrtab.c: Likewise.
10817 * gencheck.c: Likewise.
10818 * gencodes.c: Likewise.
10819 * genconfig.c: Likewise.
10820 * genemit.c: Likewise.
10821 * genextract.c: Likewise.
10822 * genflags.c: Likewise.
10823 * gengenrtl.c: Likewise.
10824 * genopinit.c: Likewise.
10825 * genoutput.c: Likewise.
10826 * genpeep.c: Likewise.
10827 * genrecog.c: Likewise.
10829 2000-01-16 Mark Mitchell <mark@codesourcery.com>
10831 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
10833 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10835 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
10836 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
10837 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
10838 * configure, config.in: Rebuilt.
10840 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
10842 * config/i386/i386.md: Add peephole to merge successive stack
10845 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
10847 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
10848 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
10849 when walking backwards to find all the parameter loads when
10850 the basic block ends in a call.
10852 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10854 * loop.c (this_loop_info): Delete.
10855 (uid_loop): Add in place of uid_loop_num. All uses updated.
10856 (loop_number_exit_count): Delete and replace with entry in loop
10857 structure. All uses updated.
10858 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10859 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10860 (loop_outer_loop): Likewise.
10861 (loop_invalid, loop_number_exit_labels): Likewise.
10862 (loop_used_count_register): Delete and replace with entry in
10863 loop_info structure.
10864 (find_and_verify_loops): Add loops argument.
10865 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
10866 loop_end, etc. arguments with loop structure pointer. All callers
10868 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
10869 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
10870 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
10871 (insert_bct): Likewise.
10872 (basic_induction_var): New argument level.
10873 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
10874 vtop, and cont. Add used_count_register.
10875 (uid_loop): Delete declaration.
10876 (loop_number_exit_count): Likewise.
10877 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10878 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10879 (loop_outer_loop, loop_used_count_register): Likewise.
10880 (loop_invalid, loop_number_exit_labels): Likewise.
10881 (unroll_loop): Replace loop_start and loop_end arguments
10882 with loop structure pointer.
10883 (loop_precondition_p, loop_iterations): Likewise.
10884 Include basic-block.h.
10885 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
10886 with loop structure pointer.
10887 (loop_precondition_p, loop_iterations): Likewise.
10888 * basic-block.h (struct loop): New entries vtop, cont,
10889 cont_dominator, start, end, top, scan_start, exit_labels,
10891 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
10893 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10895 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
10897 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
10899 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
10901 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10903 * pdp11-protos.h: New file.
10905 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
10908 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
10911 * pdp11.md: Likewise.
10913 * 2bsd.h: Likewise.
10915 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10917 * mn10300-protos.h: New file.
10919 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
10922 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
10925 * mn10300.md: Likewise.
10927 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10929 * mn10200-protos.h: New file.
10931 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
10934 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
10937 * mn10200.md: Likewise.
10939 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10941 * h8300-protos.h: New file.
10943 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
10946 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
10949 * h8300.md: Likewise.
10951 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10953 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
10954 (asm_emit_uninitialised): Likewise.
10956 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
10958 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
10959 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
10961 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10963 * config/mips/mips.c (override_options): Don't turn on extra
10964 alignment for mips16.
10966 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10968 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
10969 eabi, and make sure queued POSTINCREMENT rtl is emitted at
10972 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10974 * builtins.c (PAD_VARARGS_DOWN): Define.
10975 (std_expand_builtin_va_arg): Use the above macro.
10976 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
10977 * tm.texi (Register Arguments): Document the above macro.
10979 2000-01-14 Nick Clifton <nickc@cygnus.com>
10981 * emit-rtl.c (emit_insn): If checking is enabled, make sure
10982 that this function has not been used to emit a jump
10985 * jump.c (return_jump_1): Cope with being passed a null rtx.
10987 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10989 * eh-common.h: PROTO -> PARAMS.
10990 * emit-rtl.c: Likewise.
10991 * errors.c: Likewise.
10992 * errors.h: Likewise.
10993 * except.c: Likewise.
10994 * except.h: Likewise.
10995 * explow.c: Likewise.
10996 * expmed.c: Likewise.
10997 * expr.c: Likewise.
10998 * expr.h: Likewise.
10999 * final.c: Likewise.
11000 * fix-header.c: Likewise.
11001 * flow.c: Likewise.
11002 * fold-const.c: Likewise.
11003 * function.c: Likewise.
11004 * function.h: Likewise.
11006 * gcov-io.h: Likewise.
11007 * gcov.c: Likewise.
11008 * gcse.c: Likewise.
11010 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11012 * sh-protos.h: New file.
11014 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
11015 Add static prototypes. Fix compile time warnings.
11017 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
11021 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11023 * arc-protos.h: New file.
11025 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
11028 * arc.h: Move prototypes to arc-protos.h. Fix compile time
11031 * arc.md: Likewise.
11033 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11035 * dsp16xx-protos.h: New file.
11037 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
11040 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
11043 * dsp16xx.md: Likewise.
11045 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11047 * convex-protos.h: New file.
11049 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
11052 * convex.h: Move prototypes to convex-protos.h. Fix compile time
11055 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11057 * elxsi-protos.h: New file.
11059 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
11062 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
11065 * elxsi.md: Likewise.
11067 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11069 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
11070 case for moving from HI/LO/HI_LO_REG. This makes the behavior
11071 match the comment for MIPS16.
11073 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
11075 * flow.c (split_edge): Do not call set_block_for_insn if we
11076 do not have a basic_block_for_insn structure.
11078 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
11079 and destination functions are 32bit aligned within the trampoline.
11080 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
11081 (TRAMPOLINE_ALIGNMENT): Define.
11083 * cse.c (cse_insn): When changing (set (pc) (reg)) to
11084 (set (pc) (label_ref)), verify the change creates a valid insn.
11086 * fr30.c (call_operand): Tighten and rework to match rules for
11087 call RTL expressions.
11088 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
11089 * fr30.md (call patterns): Improve constraints.
11091 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
11093 * fr30.c (fr30_expand_epilogue): Revert last change.
11094 Use emit_jump_insn for the return insn.
11096 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
11097 Stan Cox <scox@cygnus.com>
11099 * predict.c: New file. Preliminary infrastructure work for static
11100 branch prediction and basic block reordering.
11101 * basic-block.h: Add prototype for estimate_probability.
11102 * Makefile.in: Add rules for predict.o.
11104 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
11106 * fixincludes (va_list): Use __not_va_list__ for the dummy.
11107 * fixinc/*: Likewise.
11109 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11111 * cccp.c: PROTO -> PARAMS.
11112 * cexp.y: Likewise.
11113 * collect2.c: Likewise.
11114 * combine.c: Likewise.
11115 * convert.h: Likewise.
11117 * dbxout.c: Likewise.
11118 * dbxout.h: Likewise.
11119 * diagnostic.c: Likewise.
11120 * doprint.c: Likewise.
11121 * dwarf2out.c: Likewise.
11122 * dwarf2out.h: Likewise.
11123 * dwarfout.c: Likewise.
11124 * dwarfout.h: Likewise.
11125 * dyn-string.h: Likewise.
11127 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11129 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
11130 macro conditionals guarding use.
11132 * dwarf2out.c: Include "tm_p.h".
11134 * function.c (locate_and_pad_parm): Mark parameter with
11136 (expand_function_end): Likewise for variable `context'.
11138 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
11140 2000-01-13 Nick Clifton <nickc@cygnus.com>
11142 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
11143 register to prevent compile time warnings.
11145 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
11147 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
11148 to avoid -Wtraditional warning.
11150 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11152 * 1750a-protos.h: New file.
11154 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
11157 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
11160 * 1750a.md: Likewise.
11162 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11164 * a29k-protos.h: New file.
11166 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
11169 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
11172 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11174 * clipper-protos.h: New file.
11176 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
11179 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
11182 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11184 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
11186 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
11188 * configure.in (--enable-new-gxx-abi): New option.
11189 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
11190 * Makefile.in (GXX_ABI_FLAG): New variable.
11191 * configure: Regenerate.
11193 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11195 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
11196 * tm.texi (FORCE_STRUCT_BLK): Document.
11197 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
11199 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
11201 * config/ns32k/ns32k.md: Revert Jan 9 change.
11203 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
11204 to a mode-test, if the predicate is address_operand.
11206 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
11208 * combine.c (if_then_else_cond): Be careful about what kinds
11209 of RTL expressions are passed to operand_subword.
11211 * flow.c (split_edge): If we have to insert a new jump, make
11212 sure to associate it with a basic block.
11214 * flow.c (commit_one_edge_insertion): A block with one successor
11215 can end in a JUMP_INSN that is not a simplejump.
11217 2000-01-12 Robert Lipe <robertl@sco.com>
11219 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
11220 (BUILD_VA_LIST_TYPE): Define.
11221 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
11224 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
11226 * cccp.c (do_pragma): Add cast to (char *).
11228 2000-01-12 Richard Henderson <rth@cygnus.com>
11229 Fred Fish <fnf@be.com>
11230 Jason Merrill <jason@cygnus.com>
11232 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
11233 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
11234 * i386/beos-elf.h, i386/beos-pe.h: New files.
11236 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
11237 * cross-make (SYSTEM_HEADER_DIR): Define using
11238 CROSS_SYSTEM_HEADER_DIR.
11240 * gcc.c (LIBRARY_PATH_ENV): Provide default.
11241 (process_command): Use it.
11242 (main): Likewise. Kill trailing = from env vars.
11243 (build_search_list): Put it back.
11244 * collect2.c (main): Use LIBRARY_PATH_ENV.
11246 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
11247 * toplev.c: Use NEED_DECLARATION_ENVIRON.
11249 * tm.texi (Frame Layout): Document SMALL_STACK.
11250 * c-common.c (c_common_nodes_and_builtins): Check it.
11252 * system.h: Undef alloca after including glibc's <stdlib.h>,
11253 if USE_C_ALLOCA is defined.
11255 * gcc.c (set_input): New fn.
11256 (main): After all input files are compiled, reset the input file
11259 * aclocal.m4 (rindex, index): If already defined, don't attempt
11262 * ginclude/varargs.h: (__va_list__): Define ifndef.
11263 * ginclude/stdarg.h: Likewise.
11265 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
11266 instead of unsigned char.
11268 * hash.h (true, false, boolean): Undef before enum.
11270 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
11271 proper type of "HOST_WIDE_INT *", rather than their natural type of
11272 "unsigned HOST_WIDE_INT *".
11274 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11276 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
11278 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
11280 * regclass.c (choose_hard_reg_mode): Likewise.
11282 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
11284 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
11286 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11288 * c-common.c: PROTO -> PARAMS.
11289 * c-common.h: Likewise.
11290 * c-decl.c: Likewise.
11291 * c-iterate.c: Likewise.
11292 * c-lang.c: Likewise.
11293 * c-lex.c: Likewise.
11294 * c-lex.h: Likewise.
11295 * c-parse.in: Likewise.
11296 * c-pragma.c: Likewise.
11297 * c-pragma.h: Likewise.
11298 * c-tree.h: Likewise.
11299 * c-typeck.c: Likewise.
11300 * objc/objc-act.c: Likewise.
11301 * objc/objc-act.h: Likewise.
11303 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11305 * m88k-protos.h: New file.
11307 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
11310 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
11312 * m88k.md: Likewise.
11314 * tekXD88.h: Likewise.
11316 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11318 * m68k-protos.h: New file.
11320 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
11323 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
11325 * mot3300.h: Likewise.
11327 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
11329 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
11331 (extract_bitlist): Declare bitlen.
11333 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
11335 * cccp.c: Accept and ignore -lang-fortran.
11337 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
11338 qualifiers don't match at any level of pointerness.
11340 2000-01-12 Robert Lipe <robertl@sco.com>
11342 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
11344 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
11346 * reload1.c (reload_reg_unavailable): New static variable.
11347 (reload_reg_free_p): Test it.
11348 (reload_reg_free_for_value_p): Test it instead of
11350 (choose_reload_regs_init): Compute it.
11352 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
11354 * reorg.c (fill_slots_from_thread): Check modified_in_p
11357 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
11359 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
11360 these nodes even if INTERNALS is not set.
11362 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
11364 * gcse.c (delete_null_pointer_checks_1): Cope when
11365 get_condition cannot determine the condition.
11367 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
11369 * toplev.h (set_message_length): Declare.
11371 * diagnostic.c (obstack_chunk_alloc): Define macro.
11372 (obstack_chunk_free): Likewise.
11373 (struct output_buffer): New data structure.
11374 (vmessage): Remove.
11375 (output_maximum_width): New variable.
11376 (doing_line_wrapping, set_message_length, init_output_buffer,
11377 get_output_prefix, output_space_left, emit_output_prefix,
11378 output_newline, output_append, output_puts, dump_output,
11379 vbuild_message_string, build_message_string, build_location_prefix,
11380 voutput_notice, output_printf, line_wrapper_printf,
11381 vline_wrapper_message_with_location): New functions. Implement
11382 automatic line wrapping.
11383 (v_message_with_decl): Make it handle automatic line wrapping.
11384 (v_error_with_file_and_line): Likewise.
11385 (v_warning_with_file_and_line): Likewise.
11386 (announce_function): Likewise.
11387 (default_print_error_function): Likewise.
11389 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
11391 * cpplib.h (struct cpp_options): Change lang_asm to char.
11393 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
11394 done in cpp_handle_option now.
11395 (initialize_builtins): Take out special case code used only by
11397 (cpp_handle_option): Turn off trigraphs and trigraph warnings
11398 if -traditional. Recognize -lang-fortran and set
11399 lang_fortran, also turn off cplusplus_comments.
11400 (print_help): Document -lang-fortran.
11401 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
11402 lang_asm. Ignore all directives other than `# 123 "file"' if
11404 (cpp_get_token): If -traditional, don't recognize directives
11405 unless the # is in column 1.
11406 (parse_string): If lang_fortran or lang_asm, silently
11407 terminate strings ('' or "") at end of line.
11408 Remove unnecessary braces.
11410 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11411 Richard Henderson <rth@cygnus.com>
11413 * resource.c (mark_referenced_resources): Mark a set strict_low_part
11415 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
11416 strict_low_part when possible.
11418 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11420 * alias.c: PROTO -> PARAMS.
11421 * basic-block.h: Likewise.
11422 * bitmap.c: Likewise.
11423 * bitmap.h: Likewise.
11424 * builtins.c: Likewise.
11425 * c-aux-info.c: Likewise.
11426 * caller-save.c: Likewise.
11427 * calls.c: Likewise.
11429 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11431 * Makefile.in (toplev.o): Depend on regs.h.
11433 * output.h (tdesc_section): Prototype.
11435 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
11437 * sdbout.c: Include "tm_p.h".
11439 * toplev.c: Include "regs.h".
11441 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
11443 * unroll.c (unroll_loop): Add EH support.
11445 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11447 * pa-protos.h: New file.
11449 * pa.c: Include recog.h and tm_p.h.
11450 (compute_zdepwi_operands, compute_movstrsi_length,
11451 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
11452 find_addr_reg, import_milli): Add static prototypes.
11453 (pa_cpu_string, pa_arch_string): Constify a char*.
11454 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
11455 (read_only_operand): Add argument `mode'.
11456 (singlemove_string, output_move_double, output_fp_move_double,
11457 output_block_move, output_and, output_ior, output_ascii,
11458 remove_useless_addtr_insns, milli_names, output_mul_insn,
11459 output_div_insn, output_mod_insn, output_arg_descriptor,
11460 output_cbranch, output_bb, output_bvb, output_dbra, ,
11461 output_millicode_call, output_call, hppa_encode_label,
11462 output_parallel_movb, output_parallel_addb): Constify a char*.
11463 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
11464 (output_parallel_addb): Remove extra arg to `constrain_operands'
11466 * pa.h: Move all prototypes to pa-protos.h.
11467 (pa_cpu_string, pa_arch_string): Constify a char*.
11468 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
11470 * pa.md: Call `function_label_operand' with mode argument.
11471 Likewise for `read_only_operand'.
11472 Fix nesting of parens in call to `symbolic_operand'.
11474 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11476 * i860-protos.h: New file.
11478 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
11481 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
11483 * i860.md: Likewise.
11485 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
11487 * i386.md (movstrsi expander): Rewrite.
11488 (movstrsi_1 insn): Deleted.
11489 (strmovhi, strmovqi expander): New expanders.
11490 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
11491 * i386.c (x86_single_stringop): New global variable.
11492 * i386.h (x86_single_stringop): Declare.
11493 (TARGET_SINGLE_STRINGOP): New macro.
11495 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11497 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
11498 integer vararg POSTINCREMENT before the destination of the jump
11499 for the hard fp case.
11500 (function_arg_pass_by_reference): Pass a copy of CUM to
11503 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
11504 for CONSTANT_ADDRESS_P above while loop for subreg.
11506 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11508 * flow.c (propagate_block): When a prologue/epilogue insn
11509 is marked dead, unconditionally clear libcall_is_dead and
11510 insn_is_dead, and only dump rtl if warnings aren't being
11513 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
11515 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
11516 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
11517 (FIXED_REGISTERS): Set dirflag as fixed.
11518 (CALL_USED_REGISTERS): Set dirflag as used.
11519 (REG_ALLOC_ORDER): Set dirflag as last one.
11520 (DIRFLAG_REG): New macro.
11521 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
11522 (HI_REGISTER_NAMES): Add dirflag.
11523 (DEBUF_PRINT_REG): Handle dirflag.
11524 * i386.md (type attribute): New cld and str types.
11525 (length_opcode attribute): Set cld and str to 1.
11526 (memory attribute): Set str to unknown - it is not clear from the
11528 (pent_np function unit): Prefixed string operations takes 12 cycles
11529 minimally; cld takes 2 cycles.
11530 (ppro_uops attribute): Str is "many" and cld is "few".
11531 (ppro_p0 unit): Handle cld here.
11532 (k6_alux unit): Handle cld and str types.
11533 (k6_load unit): It is ocupied by str opcodes.
11534 (k6_store unit): It is ocupied by str opcodes.
11535 (athlon_decode): Str is vector decoded.
11536 (athlon_ieu): Handle str and cld.
11537 (cld pattern): New.
11538 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
11539 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
11540 cmpstrsi_nz_1 insn): Do not output cld instruction
11542 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
11544 * gcc.texi (G++ and GCC): Add Java and Chill.
11545 (Bug Critera): Don't list languages.
11547 * gcc.texi (Incompatibilities): No longer claim most C compilers
11550 * gcc.texi (G++ and GCC): Update other front-ends list.
11552 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
11554 * i386.c (ix86_expand_setcc): Fix typo.
11555 (ix86_expand_movcc): Similarly.
11557 * Band-aid until haifa's bitset implementation is nuked.
11558 * haifa-sched.c (extract_bitlst): New parameter for size of the
11559 bitset in bits. All callers changed. Avoid looking at undefined
11560 bits in the bitset.
11561 (edgeset_bitsize): New variable.
11562 (schedule_region): Initialize edgeset_bitsize.
11564 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11566 * Makefile.in (optabs.o): Depend on real.h
11567 (resource.o): Depend on insn-attr.h
11569 * builtins.c (result_vector): Wrap prototype in macro conditions
11570 governing definition and use.
11572 * c-common.c: Include tm_p.h.
11574 * c-lex.c: Likewise.
11576 * elfos.h: Constify a char*.
11578 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
11579 (get_attr_length, shorten_branches, profile_after_prologue): Mark
11580 parameter with ATTRIBUTE_UNUSED.
11582 * fold-const.c (exact_real_inverse): Wrap variable `i' in
11585 * haifa-sched.c (schedule_insns): Mark parameter with
11588 * optabs.c: Include real.h.
11590 * real.h (ereal_atof): Add prototype arguments.
11592 * resource.c: Include insn-attr.h.
11594 * sdbout.c (sdbout_queue_anonymous_type,
11595 sdbout_dequeue_anonymous_types): Wrap in macro
11596 SDB_ALLOW_FORWARD_REFERENCES.
11597 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
11600 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
11602 * stupid.c: Include tm_p.h.
11604 * tree.c (real_value_from_int_cst): Mark parameter with
11607 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11609 * i960-protos.h: New file.
11611 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
11614 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
11616 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11618 * combine.c (expand_field_assignment): Do not discard SUBREGs
11619 while computing nonzero_bits.
11621 2000-01-09 Nick Clifton <nickc@cygnus.com>
11623 * config/arm/arm.c: Fix compile time warnings about signed vs
11624 unsigned constants.
11625 * config/arm/arm.h: Fix compile time warnings about signed vs
11626 unsigned constants.
11628 2000-01-09 Philip Blundell <philb@gnu.org>
11630 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
11631 than `ldm' with only one register.
11632 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
11635 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
11638 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
11640 * config/ns32k/ns32k.md (load or push effective address): Operand 1
11643 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11645 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
11646 assignment used as truth value.
11648 * function.c (assign_temp): Mark parameter `dont_promote' with
11649 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
11650 PROMOTE_FOR_CALL_ONLY.
11652 * genrecog.c (write_subroutine): Mark variable `operands' with
11655 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
11658 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
11659 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
11661 * toplev.c (note_deferral_of_defined_inline_function): Likewise
11664 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11666 * config/c4x.h: Tidy up comments.
11667 * config/c4x.c: Likewise.
11669 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
11671 * fold-const.c (lshift_double, rshift_double): Handle
11672 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
11674 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11676 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
11677 in prepare_function_start().
11679 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
11681 * config/v850/v850.c (expand_epilogue): Interrupt functions no
11682 longer allocate extra stack for function calls.
11684 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11686 * config/c4x/c4x.md (*subqf3_set): Fix typo.
11688 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11690 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
11692 2000-01-07 David Edelsohn <edelsohn@gnu.org>
11694 * rs6000.c (processor_target_table): Add power3 as alias for 630.
11695 * aix43.h: Revert Aug 2 change.
11696 (HAS_INIT_SECTION): Define, not visible yet.
11697 (LD_INIT_SWITCH): Define, not visible yet.
11698 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
11700 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
11702 * collect2.c (main): Expand ld2 size further.
11703 (export_object_lst): Cast assignment to avoid warning.
11704 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
11705 (scan_prog_file, COFF): Do not collect initialization or
11706 finalization functions generated for entire shared object if
11707 init/fini support present.
11709 2000-01-07 Nick Clifton <nickc@cygnus.com>
11711 * config/elfos.h: Tidy up formatting of marcos. Make sure
11712 that .section directives are always prefixed by a tab.
11714 * config/svr4.h: Add #include "elfos.h" and remove duplicate
11717 2000-01-07 Matt Austern <austern@sgi.com>
11719 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
11722 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
11724 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
11726 (crtbegin.o, s-crtS): Likewise.
11728 2000-01-06 Richard Henderson <rth@cygnus.com>
11730 * alpha.md (adddi_2+1): Limit offset such that it will be
11731 loadable with a single ldah+lda pair.
11732 (adddi_2+2): Explicitly fail split if we can't make it work.
11734 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
11736 * protoize.c: Conditionally include unistd.h.
11737 (IS_SAME_PATH_CHAR): New macro.
11738 (IS_SAME_PATH): New macro.
11739 (CPLUS_FILE_SUFFIX): New macro.
11740 (cplus_suffix): New static variable.
11741 (is_abspath): New static function.
11742 (in_system_include_dir): Handle DOS style pathnames.
11743 (file_could_be_converted): Likewise.
11744 (file_normally_convertible): Likewise.
11745 (directory_specified_p): Likewise.
11746 (file_excluded_p): Likewise.
11747 (abspath): Likewise.
11748 (shortpath): Likewise.
11749 (referenced_file_is_newer): Likewise.
11750 (save_def_or_dec): Likewise.
11751 (do_processing): Likewise.
11753 (edit_file): Likewise. Use rename instead of link.
11754 (rename_c_file): Likewise. Don't rename syscalls file.
11755 (munge_compile_params): Define null device for DOS based systems.
11756 (process_aux_info_file): Use binary mode if appliable.
11757 (edit_file): Likewise.
11758 * invoke.texi (Running Protoize): Document C++ suffixes used.
11760 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
11761 IS_DIR_SEPARATOR macros.
11762 * collect2.c: Likewise.
11763 * cppinit.c: Likewise.
11764 * dwarf2out.c: Likewise.
11766 * gcov.c: Likewise.
11767 * prefix.c: Likewise.
11769 * toplev.c: Likewise.
11770 * system.h: And move to here.
11772 * prefix.c (update_path): Fix typo in variable name.
11774 2000-01-06 Richard Henderson <rth@cygnus.com>
11776 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
11777 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
11778 (count_reg_sets_1, count_reg_references): Likewise.
11779 (flow_loops_level_compute): Start counting actual loop depth at 1.
11780 (flow_loops_find): Likewise.
11781 * local-alloc.c (update_equiv_regs): Likewise.
11782 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
11784 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11786 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
11787 FIRST_PSEUDO_REGISTER
11788 * dwarf2out.c: Don't include frame.h
11789 * dwarfout.c: Likewise
11790 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
11793 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
11795 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
11798 * i386.c (movsf splitter): Fix typo in my last checkin.
11800 2000-01-05 Nick Clifton <nickc@cygnus.com>
11802 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
11803 own definition of this macro.
11804 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
11805 flag_data_sections or UNIQUE_SECTION_P are true.
11807 * tm.texi (UNIQUE_SECTION): Document that it can be called for
11808 unitialised data decls.
11810 * config/i386/winnt.c (i386_pe_unique_section): Cope with
11811 being called for uninitialised data.
11813 * config/i386/interix.c (i386_pe_unique_section): Cope with
11814 being called for uninitialised data.
11816 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
11817 for uninitialised data.
11819 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
11820 for uninitialised data.
11822 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
11823 for uninitialised data.
11825 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
11826 (UNIQUE_SECTION_P): Always generate a unique section if
11827 flag_data_sections is true.
11828 (UNIQUE_SECTION): Also generate unique sections for
11829 uninitialised data.
11830 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
11831 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
11834 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11836 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
11839 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11841 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
11842 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
11843 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
11844 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
11845 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
11847 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
11849 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
11851 * c-decl.c (finish_enum): Simplify code to determine minimum and
11852 maximum values of the enum, and calculate the type. Remove check
11853 for FUNCTION_DECLs in the values list, which cannot happen. Replace
11854 the DECL_INITIAL of each enumeration constant with a copy converted
11855 to the enumeration type. When updating variant types, don't bother
11856 updating the type itself.
11858 * c-typeck.c (build_binary_op): Simplify conditional expressions
11859 when weeding out spurious signed-unsigned warnings. Add new
11860 spurious warning category: if the unsigned quantity is an enum
11861 and its maximum value fits in signed_type(result_type). Update
11863 (build_conditional_expr): Warn here if one alternative is signed
11864 and the other is unsigned.
11866 2000-01-05 Nick Clifton <nickc@cygnus.com>
11868 * config/fr30/fr30.h: Remove extraneous comments.
11870 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
11872 * reload1.c (choose_reload_regs): When disabling a reload, also
11873 set reload_spill_index to -1.
11875 2000-01-04 Joel Sherrill (joel@OARcorp.com>
11877 * configure.in (m68*-*-rtemscoff*): New target, formal name for
11879 (m68*-*-rtemself*): New target.
11880 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
11881 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
11882 (sparc*-*-rtemself*): New target.
11883 (sparc*-*-rtems*): Now elf not a.out.
11884 * config/i386/rtems.h: Include config/rtems.h.
11885 * config/i386/rtemself.h: Include config/rtems.h.
11886 * config/i960/rtems.h: Include config/rtems.h.
11887 * config/m68k/rtems.h: Include config/rtems.h.
11888 * config/m68k/rtemself.h: Include config/rtems.h.
11889 * config/mips/rtems64.h: Include config/rtems.h.
11890 * config/pa/rtems.h: Include config/rtems.h.
11891 * config/rs6000/rtems.h: Include config/rtems.h.
11892 * config/sh/rtems.h: Include config/rtems.h.
11893 * config/sh/rtemself.h: Include config/rtems.h.
11894 * config/sparc/rtems.h: Include config/rtems.h.
11895 * config/sparc/rtemself.h: Include config/rtems.h
11897 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
11899 * final.c (shorten_branches): Correctly compute length of
11900 asms without operands.
11902 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
11904 * configure.in: Add pj target.
11905 * configure: Regenerate.
11906 * config/pj: New directory.
11907 * config/pj/lib1funcs.S: New file.
11908 * config/pj/linux.h: New file.
11909 * config/pj/pj.c: New file.
11910 * config/pj/pj.md: New file.
11911 * config/pj/pjl.h: New file.
11912 * config/pj/t-pj: New file.
11913 * config/pj/xm-pj.h: New file
11915 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
11917 * toplev.c (rest_of_compilation): Run shorten-branches before
11920 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11922 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
11923 macros so that they're consistent with their names.
11924 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11925 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11927 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11929 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
11930 modified inadvertently.
11932 2000-01-04 Joel Sherrill <joel@OARcorp.com>
11934 * configure.in (v850*-*-rtems*): New target.
11935 * configure: Regenerate.
11936 * config/v850/rtems.h: New file.
11938 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
11940 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
11941 (__gthread_key_create): Likewise.
11942 (__gthread_key_dtor): Likewise.
11943 (__gthread_once): Fix logic.
11944 (__gthread_key_delete): Cast away constness.
11946 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
11947 * invoke.texi: Document.
11948 * i386/mingw32.h (CPP_SPEC): Use.
11949 (LIBGCC_SPEC): Likewise.
11950 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
11952 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11954 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
11955 (HANDLE_PRAGMA_PACK): Undefine.
11956 (SLOW_UNALIGNED_ACCESS): Define.
11958 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11960 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11961 to default definition.
11962 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
11963 (store_fixed_bit_field): Call macro with word_mode and alignment.
11964 (extract_bit_field): Call macro with relevant mode and alignment.
11965 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11966 to default definition.
11967 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
11969 (move_by_pieces_ninsns): Likewise.
11970 (clear_by_pieces): Likewise.
11971 (emit_push_insn): Likewise.
11972 (store_field): Call macro with relevant mode and alignment.
11973 (expand_expr): Likewise.
11974 (expand_expr_unaligned): Likewise.
11976 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
11977 (SLOW_UNALIGNED_ACCESS): Define.
11978 (CASE_VECTOR_MODE): Always use 32-bit offsets.
11979 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
11980 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
11981 (toc_section): Likewise and .toc pseudo-op.
11982 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
11984 (TEXT_SECTION_ASM_OP): Likewise.
11985 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
11988 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
11989 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
11990 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
11991 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
11992 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
11994 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
11996 * regclass.c: Revert my Jan 4 change to loop cost computation.
11998 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12000 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
12003 2000-01-04 Stan Cox <scox@cygnus.com>
12005 * haifa-sched.c (build_control_flow): Change unreachable simple
12006 loop test to check if current block has only one predecessor.
12007 (find_rgns): Initialize degree. Use dest as degree index, not src.
12009 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12011 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
12013 * calls.c (expand_call): Likewise for
12014 `old_stack_arg_under_construction'.
12016 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
12018 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
12021 * gcc.c (execute): Likewise for `ut' and `st'.
12023 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
12025 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
12027 * jump.c (jump_optimize_1): Likewise for `temp2'.
12029 * local-alloc.c (block_alloc): Likewise for `r1'.
12031 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
12033 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
12034 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
12036 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
12039 * reload.c (find_reloads): Likewise for `goal_alternative_number'
12040 and `goal_earlyclobber'.
12042 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
12044 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
12046 * stupid.c (stupid_life_analysis): Likewise for `chain'.
12048 * unroll.c (copy_loop_body): Likewise for `copy'.
12050 * varasm.c (output_constructor): Likewise for `byte'.
12052 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12054 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
12055 all FP constants for constant->reg moves.
12056 (ix86_split_to_parts): Try to convert memory address into immediate
12057 when available in the constant pool.
12058 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
12060 (LEGITIMATE_CONSTANT_P): Return 1.
12061 * i386.md (pushsf): New splitter to convert constant pool memory
12062 reference to immediate.
12063 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
12066 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
12068 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
12069 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
12070 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
12071 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
12072 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
12074 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
12076 * ginclude/stdbool.h: Support compilation as C++.
12078 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12080 * fold-const.c (make_range): Don't try to reverse an unbounded range.
12082 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
12084 * regclass.c (regclass): Properly compute loop_cost. Adjust
12087 * regclass.c: Fix minor whitespace problems.
12089 2000-01-03 Anthony Green <green@cygnus.com>
12091 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
12092 Restore the pic register if required.
12094 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
12096 * c-common.c (format_char_info): Update comment.
12097 (check_format_info): Recognize 'z' modifier in the same way 'Z'
12098 was recognized. Emit warning for formats new in ISO C99 only
12099 if flag_isoc9x is not set.
12101 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
12103 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
12105 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12107 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
12108 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
12109 (make_compound_operation): Choose cheaper alternative between
12110 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
12112 * regclass.c (op_costs): Remove global variable.
12113 (record_reg_classes): New parameter "op_costs" and "reg_pref".
12114 (record_operand_costs): Break out from ...
12115 (scan_one_insn): ... here.
12116 (dump_regclass): Make dumps nicer.
12117 (regclass): Dump preferrences choosed and changes done during passes.
12119 2000-01-03 Jakub Jelinek <jakub@redhat.com>
12121 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
12123 2000-01-03 Jakub Jelinek <jakub@redhat.com>
12125 * config/sparc/sparc.c (gen_df_reg): New function.
12126 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
12127 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
12128 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
12129 movtf_cc_reg_sp64+1): Use it.
12131 2000-01-02 Mark Mitchell <mark@codesourcery.com>
12133 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
12134 copied LABEL_DECLs.
12136 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
12138 * config/i386/i386.c (ix86_expand_unary_operator): Function
12139 definition made void.
12140 (ix86_expand_binary_operator): Update outdated preceding comment.
12141 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
12144 * config/i386/i386.c (override_options): Fix option-name typo.
12146 2000-01-02 Mark Mitchell <mark@codesourcery.com>
12148 * system.h (CEIL): Define.
12149 * builtins.c (CEIL): Remove.
12150 * expmed.c (CEIL): Likewise.
12151 * expr.c (CEIL): Likewise.
12152 * stor-layout.c (CEIL): Likewise.
12154 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12156 * expr.c (store_constructor_field): Fix typo introduced with last
12159 2000-01-01 Mark Mitchell <mark@codesourcery.com>
12161 * tree.h (BINFO_N_BASETYPES): New macro.
12163 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
12165 * expmed.c (emit_store_flag): Prevent losing a pending stack
12166 adjust the same way we prevent losing queued increments.
12168 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12170 * function.c (update_temp_slot_address): Handle case where sum of
12171 temporary address plus offset in register is a valid address.
12173 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12175 * genrecog.c (change_state) Corrected typo.
12177 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12179 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
12180 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
12181 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
12183 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
12185 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
12186 case, expand GT comparisons correctly. Fix a comment before this
12189 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
12191 * dwarfout.c: Include "frame.h"
12192 * dwarf2out.c: Likewise.
12193 * Makefile.in (dwarfout.o): Depend on frame.h
12194 (dwarf2out.o): Likewise.
12196 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
12198 Restore i386 binary compatibility in Dwarf EH info.
12199 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
12200 value of FIRST_PSEUDO_REGISTER.
12201 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
12202 (struct frame_state): Use DWARF_FRAME_REGISTERS.
12203 * dwarfout.c (output_reg_number): Ditto.
12204 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
12205 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
12207 1999-12-29 Bruce Korb <autogen@linuxbox.com>
12209 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
12210 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
12211 (<hack>_RE_CT): not needed
12212 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
12213 rewritten to scan the file text once only
12214 "template<..." test added
12215 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
12216 (is_cxx_header): declaration added
12217 * fixinc/fixtests.c(is_cxx_header): removed
12218 (apply_fix_p_t): removed
12219 (double_slash_test): is_cxx_header is only called once now
12220 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
12221 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
12222 within the templates.
12223 The borken spelling of "broken" was fixed.
12224 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
12225 The default level depends on FIXINC_DEBUG.
12227 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12229 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
12230 Otherwise provide a declaration for atexit.
12231 (init_dummy): Make sure dummy call to atexit is nevertheless
12232 called with correct number of args.
12234 * frame.c: Update comments referring to other files.
12236 * libgcc2.c: Likewise.
12238 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12240 * cse.c (free_element, get_element): Remove unused prototypes.
12242 * fold-const.c (extract_muldiv): Initialize variables `op0' and
12245 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
12248 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
12250 * configure.in,configure: case arm for mn10200-*-* now sets
12251 float_format=i32 so that float.h will correctly claim "double"
12252 to be 32 bits. Ran autoconf to generate configure from .in file.
12254 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
12256 * pa.md (conditional zero): If op1 is a register, force it into
12257 the same register as op0.
12259 1999-12-28 Mark Mitchell <mark@codesourcery.com>
12261 * tree.h (BINFO_BASETYPES): Improve documentation.
12263 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12265 * configure.in (--enable-checking): Use a more portable `for'
12268 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12270 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
12271 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
12273 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
12276 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
12277 Delete descriptions.
12279 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
12280 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
12281 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
12282 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
12283 xm-svr4.h: Remove all instances of sys_siglist handling.
12285 1999-12-27 Jakub Jelinek <jakub@redhat.com>
12287 * config/sparc/sparc.md (cmp_zero_qi,
12288 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
12289 cmp_zero_extendqidi2_andcc_set): New patterns.
12291 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
12293 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
12294 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
12295 (fpgnulib.c, xfgnulib.c): Add rules.
12296 * m68k/t-mot3300-gas: Likewise.
12298 1999-12-27 Ian Lance Taylor <ian@zembu.com>
12300 * configure.in: Avoid [[ by using test and changequote. Add
12301 changequote required by 1999-12-14 change.
12302 * configure: Rebuild.
12304 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
12306 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
12308 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
12310 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
12311 * flow.c (find_use_as_address): Likewise.
12312 * function.c (fixup_var_refs_1): Likewise.
12313 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
12314 * jump.c (invert_exp, redirect_exp): Likewise.
12315 * loop.c (replace_call_address): Likewise.
12316 (count_nonfixed_reads): Likewise.
12317 * rtlanal.c (modified_between_p): Likewise.
12318 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
12319 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
12320 * unroll.c (remap_split_bivs): Likewise.
12322 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12324 * diagnostic.c (v_message_with_decl): Use .* format specifier
12325 instead of building the format specifier width manually.
12327 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
12328 determining whether to provide a prototype. Remove the
12329 sys_siglist clause in the conditional.
12331 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12333 * fold-const.c (operand_equal_p): Use memcmp to compare string
12335 Suggested by D. J. Bernstein
12337 1999-12-17 Jakub Jelinek <jakub@redhat.com>
12339 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
12340 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
12342 * config/mips/mips.h (TARGET_64BIT): Likewise.
12343 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
12344 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
12345 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
12346 dsps. Give routines proper names if SI/DI modes are not used.
12347 * longlong.h: Use DWunion instead of DIunion.
12349 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
12351 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
12352 GC_CHECKING, GC_ALWAYS_COLLECT.
12353 * configure.in: Allow --enable-checking with an argument
12354 listing check modes to enable.
12355 * config.in, configure: Rebuilt.
12356 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
12357 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
12358 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
12359 ENABLE_GC_ALWAYS_COLLECT.
12360 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
12362 * tree.h, tree.c: Change ENABLE_CHECKING to
12363 ENABLE_TREE_CHECKING throughout.
12365 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12367 * fold-const.c (fold_truthop): Properly check for FP RHS.
12369 1999-12-24 Mark Mitchell <mark@codesourcery.com>
12371 * toplev.h (note_deferall_of_defined_inline_function): Declare.
12372 * toplev.c (note_deferral_of_defined_inline_function): New
12373 function, split out from ...
12374 (rest_of_compilation): ... here. Use it.
12376 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12378 * expr.c (store_constructor): Don't call clear_storage if size is
12381 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12383 * Makefile.in (toplev.o): Depend on loop.h.
12385 * dwarfout.c: Include tm_p.h.
12387 * emit-rtl.c (restore_emit_status): Mark parameter with
12390 * final.c (final_scan_insn): Likewise.
12392 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
12393 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
12394 flow_depth_first_order_compute, flow_loop_pre_header_find,
12395 flow_loop_tree_node_add, flow_loops_tree_build,
12396 flow_loop_level_compute, flow_loops_level_compute,
12397 flow_loop_outside_edge_p): Add prototypes.
12398 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
12400 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
12401 Mark with ATTRIBUTE_NORETURN.
12403 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
12405 * local-alloc.c (no_conflict_p): Likewise.
12407 * loop.c (insert_bct): Hide definitions of variables with hidden
12409 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
12411 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
12412 with ATTRIBUTE_UNUSED.
12413 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
12414 (reg_scan): Likewise.
12416 * reload.c (find_reloads): Remove unused variables `changed'.
12418 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
12420 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
12421 Remove unused variable `insn'.
12423 * toplev.c: Include loop.h.
12424 (report_file_and_line): Remove unnecessary prototype.
12426 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
12428 * unroll.c (biv_total_increment): Likewise.
12430 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12432 * reload1.c (emit_input_reload_insns): Restore old behaviour
12433 wrt. 'special' reloads.
12435 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
12437 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
12438 hash.h. (cse.c): Don't depend on hashtab.h.
12440 * cse.c: Don't include hashtab.h.
12441 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
12443 * ggc-simple.c: Don't include hash.h.
12445 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
12447 * dwarf2out.c (add_abstract_origin_attribute): Call
12448 gen_abstract_function on our function context.
12450 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
12452 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
12454 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12456 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
12459 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12461 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
12462 constraints to "a!r".
12464 1999-12-21 Mark Mitchell <mark@codesourcery.com>
12466 * Makefile.in (calls.o): Depend on function.h.
12467 (alias.o): Likewise.
12469 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
12471 * reload1.c (emit_reload_insns): Break out code and variables into...
12472 (input_reload_insns, other_input_address_reload_insns,
12473 other_input_reload_insns, input_address_reload_insns,
12474 inpaddr_address_reload_insns, output_reload_insns,
12475 output_address_reload_insns, outaddr_address_reload_insns,
12476 operand_reload_insns, other_operand_reload_insns,
12477 other_output_reload_insns): ... new static variables, and...
12478 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
12479 do_output_reload): ... new functions.
12481 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12483 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
12485 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12487 * md.texi: Add c4x constraints documentation.
12489 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12491 * config/i386/dgux.c (struct option): Rename to
12492 lang_independent_option.
12493 (struct m_options): Add description field.
12494 (output_options): Rename option type, add sep declaration, output
12495 ix86_cpu_string and ix86_arch_string only if set.
12496 (output_file_start): Rename option type.
12498 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
12500 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
12502 (libgcc2.a): Similarly.
12504 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
12506 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
12507 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
12508 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
12510 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
12512 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
12513 Remove redundant initialization of "frexpon" and "expon".
12515 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12517 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
12519 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
12520 (store_constructor_field, expand_expr): Pass new arg.
12522 1999-12-20 Mark Mitchell <mark@codesourcery.com>
12524 * Makefile.in (explow.o): Depend on function.h.
12526 * stor-layout.c (set_sizetype): Fix typo.
12528 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
12530 * function.c (cfun): Renamed from current_function. All users
12532 * function.h (cfun): Rename declaration as well.
12534 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
12535 to be of type regset_head, not regset. All users changed by adding
12537 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
12539 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12541 * config/c4x/rtems.h: New file.
12543 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
12545 * reload1.c (spill_failure): Take class of failed reload as argument
12546 and print it. Caller changed.
12548 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12550 * rs6000.h (SUBTARGET_DEFAULT): New macro.
12551 (TARGET_SWITCHES): Allow subtargets to default switches.
12552 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
12554 1999-12-18 Mark Mitchell <mark@codesourcery.com>
12556 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
12559 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
12561 * cccp.c (main): Define __STDC_VERSION__ as necessary.
12562 * cppinit.c (cpp_handle_option): Likewise.
12564 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
12565 determine when to define.
12567 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
12569 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
12570 cmove with mismatched test and data modes.
12572 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
12574 * c-typeck.c (c_expand_start_case): Don't warn for long switch
12577 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12579 * alias.c: Minor reformatting.
12580 * flow.c: Likewise.
12581 * regs.h: Likewise.
12582 * stor-layout.c: Likewise.
12583 * fold-const.c: Likewise.
12584 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
12585 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
12587 (size_int_wide): Cache nodes even if garbage collecting.
12588 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
12589 of SAVE_EXPR has no side effects.
12590 * cse.c: Move a comment.
12591 * tree.c: Minor reformatting.
12592 (int_size_in_bytes): Return -1 if constant overflows.
12594 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12596 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
12598 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
12600 * objc/objc-parse.c: Regenerate. This file must be rebuilt
12601 after any change to c-parse.in, even if objc-parse.y didn't
12604 1999-12-18 David S. Miller <davem@redhat.com>
12606 * toplev.c (rest_of_compilation): Restore BLOCK tree
12607 reconstruction and branch shortening changes lost in
12608 December 18th change.
12610 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
12612 * config/arm/linux-elf.h: Change all instances of
12613 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
12614 * config/arm/uclinux-elf.h: Likewise.
12616 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
12618 * toplev.c (notice, vmessage, v_message_with_file_and_line,
12619 v_message_with_decl, file_and_line_for_asm,
12620 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
12621 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
12622 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
12623 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
12624 pfatal_with_name, fatal_io_error, need_error_newline,
12625 last_error_function, last_error_tick, announce_function,
12626 default_print_error_function, print_error_function,
12627 report_error_function, fnotice, error_with_file_and_line,
12628 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
12629 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
12630 warning_with_decl, warning_for_asm, warning, pedwarn,
12631 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
12633 (compile_file): Use fnotice instead of notice. Adjust call.
12635 * diagnostic.c: New file.
12637 * Makefile.in (OBJS): Include diagnostic.o
12638 (diagnostic.o): Define dependence.
12640 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12642 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
12645 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12647 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
12649 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
12651 * fixtests.c (is_cxx_header): New fn, split out of
12653 (else_endif_label): Allow "#endif // comment" in C++ headers,
12654 as determined by is_cxx_header.
12655 * fixfixes.c (else_endif_label_fix): Update comment.
12656 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
12658 * genfixes: Correct double thinko in commandline parsing.
12659 * hackshell.tpl: Generate correct sh syntax for bypass
12662 * inclhack.def (all): Whenever an inserted preprocessor
12663 conditional is split over multiple lines, use double
12664 backslashes in this file so the fixed header will be readable.
12666 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
12667 and add bypass entry for correct version of this header.
12668 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
12669 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
12671 (hpux8_bogus_inlines): New fix, split from...
12672 (ultrix_atof_param) ... here.
12673 (math_expression): Add bypass entry keyed to glibc comment
12674 indicating the problem has been dealt with; disable
12675 unnecessary sed operations; update commentary.
12676 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
12677 add select and bypass entries, simplify shell operation.
12678 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
12680 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
12681 ultrix_atof_param): Add select entry.
12682 (stdio_va_list, sunos_mather_decl): Add bypass entry.
12683 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
12684 comments with the fixes they describe.
12686 * c-parse.in (string action): Do not warn about ANSI string
12687 concatenation in system headers. Affects C parser only.
12688 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
12690 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12692 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
12693 compiling libgcc2 the macro depends always on arch cpp defines.
12695 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
12697 * loop.c (insert_loop_mem): Don't record MEMs from inside
12700 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
12702 * regclass.c (regclass): Do not use flowgraph when not optimizing.
12704 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
12705 notes too, create one when replacement failed, attempt to simplify
12707 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
12708 or REG_EQUIV notes.
12710 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12712 * crtstuff.c (__dso_handle): Declare.
12713 (__cxa_finalize): Likewise.
12714 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
12717 * invoke.texi: Document -fuse-cxa-atexit.
12719 * tree.h (ptr_type_node): Document.
12720 (const_ptr_type_node): Likewise.
12722 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12724 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
12725 (optimize_reg_copy_2): Likewise.
12726 (optimize_reg_copy_3): Likewise.
12727 (fixup_match_2): Likewise.
12728 (regmove_optimize): Likewise.
12729 (fixup_match_1): Liekwise.
12731 * i386.md (HI to SImode promoting splitters): Rewrite.
12732 (pushsf mem peep2): New.
12733 (testhi to andhi peep2): Remove.
12734 * i386.h (x86_promote_QImode): New.
12735 (TARGET_PROMOTE_QImode): New.
12736 (PREDICATE_CODES): Add promotable_binary_operator.
12737 * i386.c (x86_promote_QImode0: New.
12738 (promotable_binary_operator): New.
12739 * i386-protos.h (promotable_binary_operator): New.
12741 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
12743 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
12745 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12747 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
12748 * function.c (insert_block_after_note): Remove.
12749 (retrofit_block): Likewise.
12750 (identify_blocks): Fix indentation.
12751 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
12752 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
12753 * function.h (insert_block_after_note): Remove prototype.
12754 (retrofit_block): Likewise.
12755 * integrate.c (expand_inline_function): Don't call
12756 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
12757 just expand_start_bindings. Use the block_map to remap old
12758 NOTE_BLOCKs to new ones.
12759 (integrate_decl_tree): Keep track of remapped blocks.
12760 * integrate.h (struct inline_remap): Add block_map.
12761 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
12762 NOTE_BLOCK on the notes.
12763 (expand_start_bindings): Rename to ...
12764 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
12765 (expand_end_bindings): Set NOTE_BLOCK.
12766 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
12767 reconstruct the BLOCK tree.
12768 * tree.h (expand_start_bindings): Macroize. Call ...
12769 (expand_start_bindings_and_block): New function.
12771 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12773 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
12774 to match the format.
12776 1999-12-16 David S. Miller <davem@redhat.com>
12778 * expr.c (emit_move_insn_1): Only emit clobbers if one of
12779 the outputs is a SUBREG.
12780 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
12783 * config/sparc/sparc.c (epilogue_renumber): Add default case
12786 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12788 * toplev.c (rest_of_compilation): Run branch shortening after
12791 * regclass.c (loop_depth): Remove
12792 (scan_one_insn): Do not handle LOOP_NOTE insns.
12793 (regclass): Go through basic blocks and set loop_cost
12795 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
12797 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
12799 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12801 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
12802 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
12803 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
12805 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
12807 * loop.c (insert_loop_mem): Ignore memory clobbers.
12809 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
12812 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
12814 * profile.c: Remove redundant #include "output.h".
12816 * h8300.md (HImode preinc peephole): Fix typo.
12818 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12820 * function.c (retrofit_block): Abort if we don't find a suitable insn.
12821 (insert_block_after_note): Abort if we don't have a previous block.
12822 Remove FN parameter.
12823 * function.h: Adjust.
12825 1999-12-15 Mark Mitchell <mark@codesourcery.com>
12827 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
12828 argument more than once.
12830 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12832 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
12834 1999-12-15 Jakub Jelinek <jakub@redhat.com>
12836 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
12838 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12840 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
12841 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
12842 update stack_alignment_needed.
12843 (prepare_function_start): Initialize stack_alignment_needed
12844 * function.h (struct function): Add field stack_alignment_needed.
12846 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12848 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
12849 Handle live_throughout / dead_or_set instead of live_before /
12851 (save_call_clobbered_regs): Get register livenessinformation from
12852 chain->live_throughout.
12853 (add_stored_regs): New function.
12854 (insert_restore, insert_save): Add restored / saved registers to
12856 * global.c (reg_dies): New parameter chain.
12857 (reg_becomes_live): Third parameter is regs_set now.
12858 Changed all callers.
12859 (reg_dies): New parameter chain. Changed all callers.
12860 (build_insn_chain): Set live_throughout instead of
12861 live_before / live_after.
12862 * reload.h (struct insn_chain): Replace members live_before /
12863 live_after with live_throughout / dead_or_set.
12864 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
12865 instead of live_before / live_after.
12866 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
12867 (order_regs_for_reload, find_reg, finish_spills): Likewise.
12868 (choose_reload_regs_init): Likewise.
12869 * stupid.c (current_chain, find_clobbered_regs): Delete.
12870 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
12871 instead of chain->live_before / chain->live_after.
12872 (mark_hard_ref): New function.
12873 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
12875 1999-12-15 David S. Miller <davem@redhat.com>
12877 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
12879 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12881 * flow.c (calculate_loop_depth): Make global, remove prototype,
12882 rewrite to use new loop infrastructure.
12883 (find_basic_block): Remove calculate_loop_depth call.
12884 * toplev.c (rest_of_compilation): Call find_basic_block.
12885 * output.h (calculate_loop_depth): Declare.
12887 * flow.c (dump_flow_info): Dump loop_depth.
12888 (flow_loops_nodes_find): Increase loop_depth for basic block in the
12890 (flow_loops_find): Initialize the loop_depth for each basic block.
12892 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12894 * tree.c (decl_function_context): Handle virtual functions.
12896 * tlink.c (scan_linker_output): Don't look in demangled name when
12897 looking for linker output keywords.
12899 * dwarfout.c (output_type): We can defer namespace-scope classes.
12901 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
12903 * regclass.c (record_reg_classes): Update comment for merging
12904 register class preferences in reg->reg copies. Tighten conditions
12905 for merging register class preferences in reg->reg copies.
12907 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
12909 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
12911 1999-12-14 Geoff Keating <geoffk@cygnus.com>
12913 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
12914 (INIT_SECTION_ASM_OP): Delete.
12915 (FINI_SECTION_ASM_OP): Delete.
12916 (STARTFILE_SPEC): Define to hold just crtbegin.o.
12918 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
12920 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
12921 the abstract origin wasn't emitted.
12923 * dwarf2out.c (class_scope_p): New fn.
12924 (gen_subprogram_die): Use it.
12925 (gen_variable_die): Use it. Tweak logic.
12926 (gen_struct_or_union_type_die): Check context_die to determine
12927 if we're function-local.
12928 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
12930 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12932 * loop.c (check_dbra_loop): Can't reverse a biv that has
12933 maybe_multiple set.
12935 1999-12-14 Nick Clifton <nickc@cygnus.com>
12937 * config/arm/arm.c: Add support for -mcpu=arm720 command line
12940 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12942 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
12943 for givs made from biv increments.
12945 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
12947 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
12948 * alpha.c (override_options): Recognize -mcpu=ev67.
12949 * alpha.h (CPP_CPU_EV67_SPEC): New.
12950 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
12951 (EXTRA_SPECS): Update.
12953 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
12955 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
12956 appropriate for -lang-c89 and -std=*.
12957 * cppinit.c (cpp_handle_option): Likewise.
12958 (new_pending_define): New, split out from cpp_handle_option.
12959 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
12960 or enable trigraphs for -ansi/-std=*.
12962 * ginclude/stdarg.h (__va_copy): New.
12963 (va_copy): Don't define for C89.
12965 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
12967 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
12968 for long long multiply-accumulate.
12970 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12972 * regclass.c (scan_one_insn): Set loop_cost to 1 when
12973 optimizing for size.
12975 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12977 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
12978 if something changed. Back out that part of yesterday's changes.
12980 * loop.c (loop_max_reg): New static variable.
12981 (loop_optimize): Initialize it. Eliminate one unnecessary call to
12983 (scan_loop): Call reg_scan_update whenever we may have added new
12984 registers, and update loop_max_reg.
12986 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12988 * regclass.c (record_reg_classes): Do not do the copying preferrencing
12989 when source does not die.
12991 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
12993 1999-12-14 Jakub Jelinek <jakub@redhat.com>
12995 * config/sparc/linux64.h (TARGET_LIVE_G0,
12996 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
12998 * config/sparc/linux.h (TARGET_LIVE_G0,
12999 TARGET_BROKEN_SAVERESTORE): Likewise.
13000 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
13001 TARGET_BROKEN_SAVERESTORE): Likewise.
13003 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
13004 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
13006 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
13007 as sparc64 block profiling register.
13008 * config/sparc/sparc.c (sparc_override_options): Allow block
13009 profiling with -m32.
13010 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
13011 profiling register.
13012 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
13013 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
13014 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
13016 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
13018 * config/sparc/sparc.h: Likewise.
13019 * config/sparc/xm-sysv4-64.h: Likewise.
13020 * config/float-sparc.h: Likewise.
13021 * glimits.h: Likewise.
13022 * longlong.h: Likewise.
13024 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
13025 (ASM_IDENTIFY_GCC): Remove.
13027 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
13029 * combine.c (combine_simplify_rtx): Don't make shared rtl.
13030 (simplify_logical): Likewise.
13032 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
13034 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
13035 * cppfiles.c (INO_T_EQ): Likewise.
13037 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
13039 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
13040 * i386/mingw32.h (LIB_SPEC): Likewise.
13041 (STARTFILE_SPEC): Likewise.
13042 * i386/uwin.h (LIB_SPEC): Likewise.
13043 (STARTFILE_SPEC): Likewise.
13045 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
13046 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
13048 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
13050 * combine.c (combine_simplify_rtx): Fix order of checks for
13051 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
13053 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
13055 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
13056 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
13058 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
13060 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
13062 * regclass.c (inv_reg_alloc_order): New array.
13063 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
13065 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
13066 counted_for_groups, counted_for_nongroups. Add fields rld and
13068 * reload.c (push_secondary_reload): Don't set nongroup field of
13070 (push_reload): Likewise.
13071 (find_reloads): Delete code to compute nongroup fields.
13072 * reload1.c (reload_insn_firstobj): New static variable.
13073 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
13075 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
13076 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
13077 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
13079 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
13081 (struct hard_reg_n_uses): Deleted.
13082 (potential_reload_regs): Deleted.
13083 (init_reload): Initialize spilled_pseudos and pseudos_counted.
13084 (reload): Don't try to allocate reload registers if we already know
13085 we have to make another pass. Call select_reload_regs. Free memory
13086 starting with reload_firstobj when starting another pass.
13087 Don't allocate spilled_pseudos.
13088 (calculate_needs_all_insns): Call copy_reloads for an insn that
13089 needs reloads; don't call calculate_needs.
13090 (spill_cost): New static array.
13091 (used_spill_regs_local): New static variable.
13092 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
13093 to compute potential_reload_regs.
13094 (find_reload_regs): Completely rewritten to use find_reg.
13095 (allocate_reload_reg): Don't test counted_for_groups or
13096 counted_for_nongroups. Lose NOERROR arg and code to give an error;
13097 all cllers changed.
13098 (choose_reload_regs): Add fallback code that uses the existing
13099 register allocation from find_reload_regs.
13101 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
13103 * flow.c (create_edge_list): Cast xmalloc return value.
13105 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
13107 * doprnt.c: Remove incorrect comment closure.
13109 * cse.c: Fix a few minor whitespace goofs.
13111 1999-12-13 Don Bowman <don@pixstream.com>
13113 * mips/vxworks.h: Fix problem with comment termination.
13114 (EXTRA_SECTIONS): Add in_sbss.
13115 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
13117 1999-12-12 David S. Miller <davem@redhat.com>
13119 * cse.c (struct cse_reg_info): Add hash_next member,
13120 reorder rest of struct for better packing on 64-bit
13122 (cse_reg_info_tree): Kill.
13123 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
13124 REGHASH_FN): New custom pow2 hash mechanism.
13126 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
13127 use a pow2 hash table.
13128 (get_cse_reg_info): Rework to use new REGHASH.
13129 (new_basic_block): Likewise, use HASH_SIZE, and inline
13131 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
13132 and inline free_element call.
13133 (lookup_as_function, insert, flush_hash_table, invalidate,
13134 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
13135 invalidate_for_call, use_related_value, find_comparison_args,
13136 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
13137 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
13138 get_element): Kill.
13140 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
13142 * cse.c (cse_basic_block): Free qty_table consistently.
13144 1999-12-12 David S. Miller <davem@redhat.com>
13145 Jakub Jelinek <jakub@redhat.com>
13147 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
13148 SUBREGs by hand, gen the appropriate hard reg directly.
13149 (movtf reg/mem split): Likewise and alter_subreg on destination
13151 (movtf mem/reg split): Similarly.
13152 (movdf_cc_sp64): Rename from hidden pattern.
13153 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
13154 (movtf_cc_sp64, following split): New pattern and splitter.
13155 (movdf_cc_reg_sp64): Rename from hidden pattern.
13156 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
13158 (movtf_cc_reg_sp64, following split): New pattern and splitter.
13160 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
13162 * loop.c (load_mems): Don't hoist written floating point mem
13165 1999-12-12 Mark Mitchell <mark@codesourcery.com>
13167 * except.h (struct eh_queue): Add `next' pointer.
13168 (struct eh_status): Make x_ehqueue a pointer.
13169 (push_ehqueue): Declare.
13170 (pop_ehqueue): Likewise.
13171 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
13173 (expand_fixup_region_end): Likewise.
13174 (expand_leftover_cleanups): Likewise.
13175 (push_ehqueue): Define.
13176 (pop_ehqueue): Likewise.
13177 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
13178 than doing it inline.
13179 (expand_start_all_catch): Adjust now that ehqueue is a
13181 (mark_eh_queue): Mark all level of the queue.
13182 (mark_eh_status): Adjust now that ehqueue is a
13184 (init_eh_for_function): Allocate ehqueue.
13185 (free_eh_status): Free it.
13186 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
13187 expansion for a fixup.
13189 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13191 * gthr-single.h (__gthread_active_p): Add prototype arguments.
13193 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
13194 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
13195 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
13196 function_ptr, getpagesize, __enable_execute_stack,
13197 __enable_execute_stack, __clear_insn_cache,
13198 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
13199 _cleanup, _exit, __default_terminate, __terminate_func,
13200 __terminate, __empty, __throw, new_eh_context,
13201 eh_context_initialize, eh_context_static, eh_context_specific,
13202 get_eh_context, __get_eh_context, __get_eh_info,
13203 init_reg_size_table, eh_threads_initialize,
13204 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
13205 __unwinding_cleanup, throw_helper, __throw, __rethrow,
13206 __pure_virtual): Add prototype arguments.
13207 (__bb_exit_func): Cast a sizeof to long when comparing against one.
13208 Cast a signed value to unsigned long when comparing against one.
13209 (new_eh_context): Wrap in _GTHREADS macro.
13210 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
13212 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
13213 (throw_helper): Initialize variables `handler_p' and `pc_p'.
13215 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13217 * combine.c (record_promoted_value): Remove unused variable
13220 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
13222 * global.c (record_conflicts): Likewise for `j'.
13224 * genoutput.c (output_insn_data): Don't unnecessarily cast away
13227 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13229 * i386-protos.h (output_387_binary_op, output_fix_trunc,
13230 output_fp_compare): Constify a char*.
13232 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
13234 (override_options, ix86_comp_type_attributes, print_operand,
13235 output_387_binary_op, output_fix_trunc, output_fp_compare):
13237 (ix86_sched_reorder): Mark parameter `clock_var' with
13240 * i386.h (DEBUG_PRINT_REG): Constify a char*.
13242 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
13244 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
13245 operand, for use in the Java front-end.
13247 1999-12-10 Ben Collins <bcollins@debian.org>
13249 * configure.in: Fix typo for "-64" in 64bit as check.
13250 * configure: Rebuilt.
13252 1999-12-10 Jakub Jelinek <jakub@redhat.com>
13254 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
13257 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13259 * c-parse.in (string): With -Wtraditional, warn if ANSI string
13260 concatenation is utilized.
13262 * invoke.texi (-Wtraditional): Document it.
13264 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13266 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
13267 Cast a ptrdiff_t to long and pass it to printf with %ld.
13269 1999-12-10 Geoff Keating <geoffk@cygnus.com>
13271 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
13272 68881, we have no 68881 registers at all.
13273 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
13274 value in a 68881 register if it is available.
13276 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
13278 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
13279 for long long multiply-accumulate.
13281 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
13283 * loop.c (insert_loop_mem): Undo last change.
13285 1999-12-10 David S. Miller <davem@redhat.com>
13287 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
13289 * config/sparc/sparc-protos.h: Add them.
13290 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
13291 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
13292 constraints which use those helpers.
13293 (EXTRA_CONSTRAINT): Use this new macro.
13294 * md.texi: Update sparc target constraints documentation.
13295 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
13296 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
13297 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
13298 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
13299 (movsf high/lo_sum split): Rework for new patterns.
13300 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
13302 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
13304 * c-common.c (c_common_nodes_and_builtins):
13305 Create __builtin_ptrdiff_t and __builtin_size_t.
13307 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
13309 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
13311 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13313 * regclass.c (globalize_reg): Re-instate test that allows
13314 fixed registers to be declared as a variable even after functions
13317 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13319 * i386.md (cpu attribute): Add "athlon".
13320 (athlon_decode): New attribute.
13321 (Athlon scheduling units definitions): New.
13322 (fcmp and shld patterns): Set athlon_decode to "vector".
13323 * i386.c (athlon_cost): New.
13325 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
13326 x86_use_sahf): Set for Athlon.
13327 (x86_use_fiop): Unset for Athlon.
13328 (override_options): Define Athlon alignments and "athlon" name.
13329 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
13330 * i386.h (TARGET_ATHLON): New.
13331 (enum processor_type): Add PROCESSOR_ATHLON.
13332 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
13334 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
13336 1999-12-09 Andreas Jaeger <aj@suse.de>
13338 * loop.c (record_biv): Declare parameter as int.
13340 * config/i386/i386-protos.h: Declare long_memory_operand.
13342 1999-12-09 Mark Mitchell <mark@codesourcery.com>
13344 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
13345 EXPR_WITH_FILE_LOCATION.
13347 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13349 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
13352 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
13354 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
13357 1999-12-09 Jakub Jelinek <jakub@redhat.com>
13359 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
13360 default on linux64 again.
13361 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
13362 models for multilibing.
13363 * genmultilib: Accept | as alternative separator within a set in
13366 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
13368 * calls.c (precompute_arguments): Make sure initial_value contains
13369 value pseudo which CSE expects.
13370 * cse.c (struct set): New entry orig_src.
13371 (cse_insn): Set it early on entry, use it for libcall EQUIV note
13374 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
13376 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
13378 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
13380 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
13382 1999-12-08 Jakub Jelinek <jakub@redhat.com>
13384 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
13385 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
13387 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
13390 * longlong.h: Merge in changes from glibc.
13391 Also don't clobber %g2 register in 32bit SPARC assembly, so that
13392 -mno-app-regs libgcc can be compiled.
13393 * libgcc2.c: Add defines so that the updated longlong.h
13394 can be used in libgcc2.a. Also, make sure on most architectures
13395 (at least on all which have optimized code in longlong.h defined
13396 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
13398 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13400 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
13401 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
13402 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
13404 * configure: Rebuilt.
13406 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
13408 * alpha.c (secondary_reload_class): For !BWX, sub-simode
13409 outputs require a register.
13411 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
13413 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
13414 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
13415 functions like dptoul will be resolved.
13416 (libgcc2.a): Make sure that the object files from DPBIT are named
13417 differently (prefix `_dp') from those that would be coming from
13420 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
13422 * configure.in: When target is sparc* and tm_file contains 64,
13423 test for 64bit support in assembler. If not supported, remove
13424 sparc/t-sol2-64 from target-dependent Makefile fragments.
13425 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
13426 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
13427 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
13428 * acconfig.h (AS_SPARC64_FLAG): Added.
13429 * configure, config.in: Rebuilt.
13430 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
13431 support. Use AS_SPARC64_FLAG.
13433 1999-12-07 Jakub Jelinek <jakub@redhat.com>
13435 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
13436 suitable for holding OFmode values so that gcc works with complex
13438 (hard_64bit_mode_classes): Likewise.
13440 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
13441 so that it is actually matched.
13442 (sethi_di_medlow): Likewise.
13444 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
13445 as legitimate constant if -mvis.
13446 * config/sparc/sparc.md (movtf): Likewise.
13447 (clear_sf): Use const_double_operand.
13448 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
13450 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
13451 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
13452 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
13453 routines, _Qp_* cannot be handled like that now.
13454 (INIT_TARGET_OPTABS): Likewise.
13455 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
13456 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
13457 sparc_emit_float_lib_cmp if ARCH64 and soft float.
13458 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
13459 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
13460 divtf3, sqrttf3): New expanders.
13461 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
13462 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
13463 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
13466 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
13467 * configure: Rebuilt.
13468 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
13469 -mcpu is given and we're doing 64bit compiles.
13471 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
13473 * loop.h (struct induction): Add multi_insn_incr.
13474 * loop.c (basic_induction_var): New multi_insn_incr argument.
13475 Set it if we search back through previous insns for the biv.
13476 (record_biv): New multi_insn_incr argument; fill in struct induction.
13477 (strength_reduce): Discard an iv with multiple bivs, any of
13478 which require multiple insns to increment.
13480 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13482 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
13485 1999-12-06 David S. Miller <davem@redhat.com>
13487 * combine.c (check_promoted_subreg): Do not conditionalize this upon
13488 PROMOTE_FUNCTION_RETURN.
13490 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
13492 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
13493 and handle REG_UNUSED note on insn.
13495 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
13496 inner_mask instead of mask.
13498 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
13500 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
13501 zero if there was an error.
13503 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13505 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
13508 * longlong.h: Fix clobbers in SPARC asm statements.
13510 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
13511 valid sethi operations when TARGET_ARCH64.
13513 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
13514 always use move_by_pieces to avoid infinite recursion.
13515 (restore_fixed_argument_area): Likewise.
13517 * combine.c (check_promoted_subreg, record_promoted_value): New
13519 (combine_instructions): Use them to retain nonzero and sign bit
13520 information after SUBREGs are eliminated by optimizations in
13521 this pass if PROMOTE_FUNCTION_RETURN.
13523 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
13524 .register declaration. Don't use variables with __ prefixes.
13526 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13528 * fold-const.c (optimize_bit_field_compare): Only use one mode
13529 for both RHS and LHS in non-constant case.
13531 1999-12-06 Nathan Sidwell <nathan@acm.org>
13533 * frame.c (start_fde_sort): Only allocate erratic array, if
13534 linear one was allocated. Return allocated flag.
13535 (fde_insert): Only insert, if there's a valid array.
13536 (fde_end_sort): Split, sort and merge if linear and erratic
13537 arrays exist, else just sort linear one.
13538 (search_fdes): New function. Linear search through original fde
13540 (frame_init): Permit multiple initializations. Cope with
13542 (find_fde): Fallback on linear search, if failed to sort array.
13543 (__deregister_frame_info): Only free sorted array, if we
13546 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13548 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
13550 1999-12-05 Jakub Jelinek <jakub@redhat.com>
13552 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
13554 1999-12-05 Mark Mitchell <mark@codesourcery.com>
13556 * tree.h (special_function_p): Declare.
13557 * calls.c (special_function_p): Make it global. Don't take `name'
13558 as a parameter. Fix typo in 1999-11-28 change.
13559 (expand_cal): Adjust.
13561 1999-12-04 Mark Mitchell <mark@codesourcery.com>
13563 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
13564 * tree.h (EXPR_WFL_FILENAME): Define in terms of
13565 EXPR_WFL_FILENAME_NODE.
13566 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
13568 * print-tree.c (print_note): Print TREE_PRIVATE and
13571 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
13572 the original die cannot be found.
13574 * varray.h (varray_head_tag): Add elements_used.
13575 (VARRAY_PUSH): New macro.
13576 (VARRAY_POP): Likewise.
13577 (VARRAY_TOP): Likewise.
13578 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
13580 * varray.c (varray_init): Initialize elements_used.
13581 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
13582 (INTEGRATE_H): New variable.
13583 (integrate.o): Depend on INTEGRATE_H.
13584 (unroll.o): Likewise.
13586 * function.h (insert_block_after_note): Declare.
13587 * function.c (insert_block_after_note): Split out from ...
13588 (retrofit_block): ... here.
13590 * stmt.c (expand_fixup): Fix typo in comment.
13592 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13594 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
13595 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
13596 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
13597 (regmove_optimize, fixup_match_1): Likewise.
13599 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13601 * flow.c (flow_loops_dump): Add missing argument when calling
13602 flow_loop_nested_p.
13604 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
13605 Greg McGary <gkm@gnu.org>
13607 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
13608 (init_attributes): Add A_NO_LIMIT_STACK.
13609 (decl_attributes): Handle A_NO_LIMIT_STACK.
13610 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
13611 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
13612 Handle stack bounds checking.
13613 * flags.h (flag_stack_check): Use the word 'probe' rather than
13614 'check', because the flag doesn't actually cause any checking to
13616 * function.c (expand_function_start): Set
13617 current_function_limit_stack.
13618 * function.h (struct function): Add limit_stack.
13619 (current_function_limit_stack): Define.
13620 * invoke.texi (Code Gen Options): Document new options.
13621 * rtl.h: Declare stack_limit_rtx.
13622 * toplev.c (stack_limit_rtx): New variable.
13623 (decode_f_option): Handle new options -fstack-limit-register=REG,
13624 -fstack-limit-symbol=IDENT, -fno-stack-limit.
13625 (main): Add stack_limit_rtx as GC root.
13626 * tree.h (DECL_NO_LIMIT_STACK): New macro.
13627 (struct tree_decl): New member no_limit_stack.
13629 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
13631 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
13632 (conditional_trap+1): Get new mnemonic correct.
13633 (conditional_trap+2): New pattern for DImode traps.
13635 * config/m68k/m68k.c (output_function_prologue): Handle
13637 * config/m68k/m68k.md (trap): New insn.
13638 (conditional_trap): New insn.
13639 * md.texi (Standard Names): Document `trap' and
13640 `conditional_trap'.
13641 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
13642 so a cc0 setter doesn't get emitted at some random place in the
13645 * config/i960/i960.md (trap): New insn.
13646 (conditional_trap): New expander.
13647 (conditional_trap+1, conditional_trap+2): New insns for signed
13648 and unsigned cases.
13649 * config/i960/i960.c (i960_function_prologue): Use
13650 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
13652 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
13653 Geoffrey Keating <geoffk@cygnus.com>
13655 * flags.h (warn_padded, warn_packed): Add global var decls.
13656 * toplev.c (warn_padded, warn_packed): Add global var defns.
13657 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
13658 * stor-layout.c (layout_record): Add local variable `type'
13659 to hold often-used TREE_TYPE (field). Add local variable
13660 `unpacked_align' to hold alignment that would be in force
13661 if no `packed' attribute were present. Warn if `packed' attribute
13662 is unnecessary, or even harmful. Warn when gcc inserts padding
13663 to satisfy alignment requirements of members. Use NULL_TREE
13664 when checking whether var_size is set.
13665 * invoke.texi: Document new flags.
13667 1999-12-03 Nathan Sidwell <nathan@acm.org>
13669 * frame.c (fde_split): Reimplement to avoid variable sized array.
13671 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13673 * combine.c (try_combine): Before fixing up LOG_LINKS for the
13674 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
13676 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
13678 * invoke.texi: Document the mips option -mno-crt0
13680 1999-12-02 Mike Karr <mkarr@mathworks.com>
13682 * cccp.c (argdata): Added free_ptr member.
13683 (macroexpand): Initialize free_ptr of each argument. When an
13684 argument's buffers are freed, if the argument's free_ptr corresponds
13685 to a buffer on the input stack, then return the free_ptr to that stack
13686 frame, otherwise, free it.
13687 (macarg): If an argument begins and ends on the same input stack level,
13688 then transfer the free_ptr of that buffer to the argument in case
13689 the stack is popped during the processing of a subsequent argument.
13691 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
13693 * loop.c (note_reg_stored): New function.
13694 (struct note_reg_stored_arg): New structure.
13695 (try_copy_prop): Change to be more conservative; only replace within
13696 one extended basic block and stop replacing if a store to the
13697 replacement reg is seen.
13699 1999-12-02 Nick Clifton <nickc@cygnus.com>
13701 * config/fp-bit.c: Initialise all fields of the NAN
13704 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
13707 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
13709 * i386.md (extend?f?f2): Force the input into a register, not
13712 1999-12-01 Jakub Jelinek <jakub@redhat.com>
13714 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
13716 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
13717 alternative because setting up 64bit constant is usually costly,
13718 especially when reload is in progress or completed.
13719 (movdf_const_intreg_sp64): Likewise.
13720 (movdf_const_intreg split): Fix building up constants when
13721 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
13723 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
13725 * combine.c (if_then_else_cond): Use const_true_rtx instead of
13726 const1_rtx for return values in EQ/NE comparison against (const_int 0)
13729 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
13730 (asm_file_start): Emit .am33 into assembly file when compiling for
13732 (print_operand_address): Handle POST_INC addresses.
13733 (can_use_return_insn, initial_offset): Check AM33 registers too.
13734 (expand_prologue): Check & save AM33 registers too.
13735 (expand_epilogue): Similarly.
13736 (secondary_reload_class): Handle AM33 specific secondary reloads.
13737 (output_tst): Emit efficient code for the AM33 too.
13738 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
13739 (TARGET_SWITCHES): Add -mam33 switch.
13740 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
13741 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
13742 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
13743 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
13744 (enum reg_class, REG_CLASS_NAMES): Likewise.
13745 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
13746 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
13747 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
13748 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
13749 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
13750 (HAVE_POST_INCREMENT): Define.
13751 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
13752 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
13753 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
13754 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
13755 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
13756 (zero_extend to SI from QI/HI): Likewise.
13757 (sign_extend to SI from QI/HI): Likewise.
13758 (mulsidi3, umulsidi3): New patterns for the AM33.
13759 (tstsi with zero extension from QI/HI): Add AM33 variants.
13760 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
13761 (return_internal_regs, store_movm): Handle new AM33 registers.
13762 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
13763 (LIBGCC, INSTALL_LIBGCC): Likewise.
13764 * invoke.texi: Document new flags.
13766 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13768 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
13769 (addsi3_carry): Likewise.
13770 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
13771 (sbbsi3_carry): Likewise.
13772 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
13773 (mulhi3): Likewise.
13774 (test?i_1): Ensure that only one operand is memory.
13775 (conditional move patterns): likewise.
13776 (shift and rotate patterns): Rewrite to expander, add
13777 "binary_operator_ok" to the condition.
13779 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
13780 * i386.h (procesor_costs): Add movzbl_load field.
13781 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
13782 non-Q registers, accept DImode registers anywhere.
13784 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
13785 * i386.c (*_cost): Set value for movxbl_load field.
13787 * (addsi): New add to lea splitter.
13788 (ashlsi): Likewise.
13789 (lea to add/shift peep2): New.
13791 1999-12-01 Mark Salter <msalter@cygnus.com>
13793 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
13794 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
13795 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
13797 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13799 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
13800 * i386.md (movsi_xor): New.
13802 (movsi_1, movhi_1, movqi_1): Remove.
13803 (movsi_2): Rename to movsi_1.
13804 (movhi_2): Rename to movhi_1.
13805 (movqi_2): Rename to movqi_1.
13806 (movdi_1): Remove; remove splitter.
13807 (movdi_2): Rename to movdi_1.
13808 (divmodsi4 splitter): Do not emit clobbers for move patterns.
13809 (long move peep2): Do not create QI or HI mode mov0s
13810 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
13812 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
13815 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
13816 (abs?f2_if): Likewise.
13818 1999-11-30 Alex Samuel <samuel@codesourcery.com>
13820 * ggc.h (ggc_test_and_set_mark): New macro.
13821 (ggc_mark_rtx): Use ggc_test_and_set_mark.
13822 (ggc_mark_tree): Likewise.
13823 (ggc_mark_rtvec): Likewise.
13824 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
13826 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
13828 * dwarf2out.c (scope_die_for): Only handle types. Only search for
13830 (decl_scope_table): Just an array of trees now.
13831 (push_decl_scope): Simplify.
13832 (dwarf2out_init): Adjust.
13833 (local_scope_p): New fn.
13834 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
13835 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
13836 (gen_typedef_die): Likewise.
13837 (gen_lexical_block_die): Don't call push/pop_decl_scope.
13838 (gen_inlined_subroutine_die): Likewise.
13839 (gen_abstract_function): Set current_function_decl temporarily.
13840 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
13841 Handle block extern declarations. Don't call push/pop_decl_scope.
13842 (gen_decl_die): Fix logic for block externs.
13844 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13846 * calls.c (special_function_p): Remove `realloc' and add `strdup'
13847 to the list of functions which have attribute malloc by default.
13849 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13851 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
13852 integer constant does not match the traditional type, limit the
13853 warnings to cases where the base of the type is ten.
13855 * invoke.texi (-Wtraditional): Document it.
13857 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13859 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
13860 * rs6000.md: Only access a CONST_INT with INTVAL
13862 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
13864 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
13865 (compute_nearerout): Likewise.
13866 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
13867 size_t to unsigned long for formatting.
13869 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13871 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
13872 Allow the user to override call-used/fixed state of %g2-5
13873 registers from the command line (with the exception of %g4 for
13875 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
13876 there is a higher chance of having a leaf function.
13877 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
13878 for ARCH64 which has %ccr register.
13879 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
13881 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
13882 insn accept into delay slot any insn which does not use %[ol]
13883 registers. Accept some LO_SUM and shift left by 1 for the normal
13885 (output_function_epilogue): Likewise.
13886 (epilogue_renumber): Added argument which inhibits any renumbering
13887 and just tests if the rtx does not use any %[ol] registers.
13888 (output_return): Reflect above change.
13890 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13892 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
13893 aggregate passing for sizes <= 16 bytes.
13895 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
13897 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
13898 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
13899 * reload.c (find_dummy_reload): Likewise.
13900 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
13901 * reload1.c (reload_as_needed): Likewise.
13902 * stupid.c (stupid_find_reg): Likewise.
13903 * tm.texi (Obsolete Register Macros): Delete section.
13904 * gmicro.h: Remove all traces of the two macros.
13905 * i386.h: Likewise.
13906 * m88k.h: Likewise.
13907 * mips.h: Likewise.
13909 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
13911 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
13912 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
13913 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
13914 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
13915 units for the sparclite86x chip.
13916 (flush): Revert October 14th change; add SImode specifically.
13917 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
13918 * invoke.texi: Document it.
13920 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
13922 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
13923 psimode_truncation_operand.
13925 * config/mn10200/mn10200.c (psimode_truncation_operand): New
13926 function. Return true if the operand is either a MEM valid
13927 for a PSImode address or not a MEM at all.
13929 * config/mn10200/mn10200.md (truncsipsi2): Use
13930 psimode_truncation_operand.
13932 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13934 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
13935 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
13936 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
13937 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
13938 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
13939 (flow_loop_level_compute, low_loops_level_compute): Likewise.
13940 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
13941 * basic-block.h: Protect from multiple inclusion.
13942 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
13943 (struct loops, struct loop): Define structures.
13944 * sbitmap.c (sbitmap_a_subset_b_p): New function.
13945 * sbitmap.h: Protect from multiple inclusion.
13946 (sbitmap_a_subset_b_p): Add prototype.
13947 * Makefile.in (LOOP_H): New macro.
13948 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
13950 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
13952 * cppinit.c (CAT): The argument list of this macro may not contain
13955 1999-11-29 David S. Miller <davem@redhat.com>
13957 Move quantity tables and register equivalence chains into
13958 per-qty and per-register structure arrays respectively.
13959 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
13960 qty_const_insn, qty_comparison_code, qty_comparison_const,
13961 qty_comparison_qty): Delete, replace with...
13962 (qty_table): this structure table.
13963 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
13964 (reg_eqv_table): this structure table.
13965 (make_new_qty): Add argument MODE. Caller updated.
13966 Update to use qty_table and reg_eqv_table.
13967 (make_regs_eqv, delete_reg_equiv, insert_regs,
13968 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
13969 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
13970 cse_process_notes, cse_main, cse_basic_block): Likewise.
13972 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13974 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
13975 operation if C is negative.
13976 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
13977 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
13978 law for some divisions if constant is negative and change other
13979 divisions to the opposite rounding.
13981 * expr.c (store_constructor_field): If bit position is not multiple
13982 of alignment of TARGET's mode, use BLKmode.
13984 * expr.c (expand_expr_unaligned): Add more code from full case
13985 that is needed when OP0 is in a register.
13987 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13989 * dwarfout.c (field_byte_offset): Size can be zero if there was
13992 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13994 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
13995 (associate_trees): Delete unused var TEM.
13996 (extract_muldiv): Delete unused var CANCEL_P.
13998 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
13999 (target_isinf, target_isnan, target_negative): Add return types to
14000 function definitions.
14002 1999-11-29 Bruce Korb <autogen@linuxbox.com>
14004 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
14005 * fixinc/hackshell.tpl: ditto
14006 * fixinc/fixtests.c(double_slash_test): more C++ header testing
14007 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
14009 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
14011 * reload.c (push_reload): When looking for a register to put into
14012 reg_rtx, make sure all hard regs in a multi-reg register are in the
14013 right class and nonfixed.
14015 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
14016 pending_read_insns, pending_write_insns, pending_read_mems,
14017 pending_write_mems, pending_list_length, last_pending_memory_flush,
14018 last_function_call, sched_before_next_call): Move static variables
14020 (bb_ prefixed versions): Replace with single array bb_deps.
14021 (struct deps): New structure.
14022 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
14023 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
14024 argument of type "struct deps *"; use that instead of global
14025 variables. All callers changed.
14026 (init_rgn_data_dependencies): Delete function.
14027 (init_rtx_vector): Delete function.
14028 (init_deps): New function.
14030 (free_pending_lists): Simplify, we always use the bb_deps array even
14031 if only one basic block.
14032 (compute_block_backward_dependences): Likewise.
14033 (schedule_region): Likewise.
14035 (propagate_deps): New function, broken out of
14036 compute_block_backward_dependences.
14037 (compute_block_backward_dependences): Use it.
14039 * alpha.md: Delete useless patterns that tried to work around
14040 register elimination problems.
14042 * unroll.c (loop_iterations): Don't abort if iteration variable
14045 From Joern Rennecke:
14046 * reload1.c (reloads_conflict): Reverse test comparing operand
14047 numbers when testing for conflict between output/outaddr reloads.
14049 1999-11-29 David S. Miller <davem@redhat.com>
14051 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
14053 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
14055 1999-11-28 Robert Lipe <robertl@cygnus.com>
14057 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
14058 table from .fini into .dtor.
14060 1999-11-28 Anthony Green <green@cygnus.com>
14062 * tree.h (struct tree_decl): Add malloc_flag.
14063 (DECL_IS_MALLOC): Define.
14064 * c-common.c (attrs): Add A_MALLOC attribute.
14065 (init_attributes): Add this attribute to the table.
14066 (decl_attributes): Handle malloc attribute.
14067 * calls.c (special_function_p): Check for the malloc attribute.
14068 * extend.texi (Function Attributes): Document malloc attribute.
14070 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
14072 * pa.md (reload shift-add patterns): Remove.
14074 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14076 * reorg.c (dbr_schedule) Print more statistics. Corrected
14077 problem when printing info when 3 delay slots are filled.
14079 1999-11-28 Jakub Jelinek <jakub@redhat.com>
14081 * combine.c (setup_incoming_promotions): Pass an outgoing
14082 regno to FUNCTION_ARG_REGNO_P which it expects.
14084 1999-11-28 Andreas Jaeger <aj@suse.de>
14086 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
14088 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
14090 * cccp.c (do_include): Avoid initialization of automatic variable.
14092 * integrate.c (mark_stores): Function definition made void, to match
14093 previous declaration.
14094 * regclass.c (dump_regclass): Ditto.
14095 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
14097 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14099 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
14100 known to be multiple of divisor.
14102 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
14104 * combine.c (try_combine): Add code to try to merge a set of a
14105 two-word pseudo to a constant with a setting of one of those words
14108 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
14109 (split_tree): Completely rework to make more general.
14110 (make_range, fold): Call negate_expr.
14111 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
14112 (fold, associate): Call new split_tree and associate_trees.
14113 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
14115 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
14117 * loop.c (try_copy_prop): Avoid GNU C extension.
14119 1999-11-25 Mark Mitchell <mark@codesourcery.com>
14121 * except.c (init_eh_for_function): Still zero eh_return_context,
14122 eh_return_stack_adjust, and eh_return_handler.
14124 * except.h (eh_status): Adjust documentation for x_protect_list.
14125 (begin_protect_partials): New function.
14126 * except.c (enqueue_eh_entry): Fix formatting.
14127 (get_first_handler): Add consistency check.
14128 (add_partial_entry): Adjust usage of protect_list.
14129 (emit_cleanup_handler): Save and restore ehqueue.
14130 (expand_start_all_catch): Add comment.
14131 (begin_protect_partials): New function.
14132 (end_protect_partials): Adjust usage of protect_list.
14133 (init_eh_for_function): Use xcalloc.
14135 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14137 * c-common.c (check_format_info): Don't call a variadic function
14138 with a non-literal format string.
14140 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
14142 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
14143 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
14146 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
14149 * collect2.c (collect_wait): Likewise.
14151 * dbxout.c (dbxout_type): Likewise.
14153 * gcc.c (do_spec_1): Likewise.
14155 * genemit.c (gen_insn, gen_expand): Likewise.
14157 * genrecog.c (write_switch, write_subroutine): Likewise.
14159 * mips-tfile.c (catch_signal, botch): Likewise.
14161 * print-rtl.c (print_rtx): Likewise.
14163 * toplev.c (default_print_error_function, report_error_function,
14164 _fatal_insn): Likewise.
14166 1999-11-25 Mark Mitchell <mark@codesourcery.com>
14168 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
14170 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14172 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
14173 operations when needed.
14174 * i386.md (fop_?f_comm): New.
14175 (fop_?f_1): Do not accept commutative operands.
14177 1999-11-25 Andreas Jaeger <aj@suse.de>
14179 * config/mips/mips.md (casesi_internal): Add missing brace.
14181 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
14183 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
14184 (splice_child_die): Handle moving a child DIE from the declaration
14185 DIE of a class to its specification.
14186 (gen_struct_or_union_type_die): Use 'complete' consistently.
14187 (gen_decl_die): Generate the virtual context DIE first.
14188 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
14190 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
14192 * config/mips/mips.md (call_value_multiple_interanal1): New.
14194 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
14196 * dwarf2out.c (free_AT, free_die): New fns.
14197 (remove_children): Call them.
14198 (output_line_info): Disable removal of duplicate notes.
14200 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
14201 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
14202 means pretend the type isn't defined.
14203 Don't defer emitting types.
14204 (gen_type_die_for_member): New fn.
14205 (gen_decl_die): Call it.
14206 (splice_child_die): New fn.
14207 (gen_member_die): Call it rather than generate duplicate dies.
14209 Defer emitting information for the abstract instance of an inline
14210 until we either inline it or emit an out-of-line copy.
14211 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
14212 from output_inline_function if DECL_ABSTRACT is also set.
14213 (block_ultimate_origin): Likewise.
14214 (gen_abstract_function): New fn.
14215 (gen_decl_die, gen_inlined_subroutine_die): Call it.
14216 (gen_subprogram_die): An abstract instance is not a declaration
14217 just because it doesn't match current_function_decl. Don't abort
14218 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
14219 has an abstract origin.
14220 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
14221 abstract instance here.
14223 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
14225 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
14226 where we need to reload fpul from a system register.
14228 1999-11-24 Andreas Jaeger <aj@suse.de>
14230 * config/mips/linux.h (CPP_PREDEFINES): Added.
14231 (LINK_SPEC): Remove -Y since this is only needed on sparc.
14233 1999-11-24 Andreas Jaeger <aj@suse.de>
14235 * config/mips/linux.h (TARGET_VERSION): Added.
14236 (HANDLE_SYSV_PRAGMA): Added.
14237 (DEFAULT_VTABLE_THUNKS): Added.
14239 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14241 * local-alloc.c (qty): New structure and static variable.
14242 (qty_phys_reg): Remove, all references changed to qty.
14243 (qty_n_refs): Likewise.
14244 (qty_min_class): Likewise.
14245 (qty_birth): Likewise.
14246 (qty_death): Likewise.
14247 (qty_size): Likewise.
14248 (qty_mode): Likewise.
14249 (qty_n_calls_crossed): Likewise.
14250 (qty_alternate_class): Likewise.
14251 (qty_changes_size): Likewise.
14252 (qty_first_reg): Likewise.
14253 (alloc_qty): Rename variable QTY to QTYNO.
14254 (finf_free_reg): Likewise.
14255 (local_alloc): Allocate qty, do not allocate the removed variables.
14257 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
14259 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
14260 when -membedded-pic is passed.
14262 * config/mips/mips.md (casesi): Handle 64-bit case too.
14263 (casesi_internal_di): New insn.
14265 * config/mips/mips.c (embedded_pic_offset): Always make the
14266 embedded-pic subtractions relative to the name of the current
14267 function by use of the magic string "..CURRENT_FUNCTION".
14268 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
14270 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
14272 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
14273 of (const_int 0), when what we really care about is
14274 whether it's a zero constant anyway.
14275 (div_trap_mips16): Likewise.
14277 1999-11-23 Mark Mitchell <mark@codesourcery.com>
14279 * loop.c (loop_optimize): Always find_loop_tree_blocks and
14280 unroll_block_trees when generating debuggable code.
14282 * tree.h (unsave_expr_1): New function.
14283 (lang_unsave): New variable.
14284 (get_callee_fndecl): New function.
14285 * tree.c (unsave_expr_now_r): New function.
14286 (lang_unsave): Define.
14287 (unsave_expr_1): Likewise.
14288 (unsave_expr_now_r): Split out from unsave_expr_now.
14289 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
14290 call unsave_expr_now_r.
14291 (get_callee_fndecl): Define.
14293 * Makefile.in (gencheck): Don't depend on lang_tree_files.
14294 (gencheck.o): Do depend on lang_tree_files.
14296 * integrate.h (copy_decl_for_inlining): New declaration.
14297 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
14298 (copy_decl_for_inlining): New function.
14299 (integrate_parm_decls): Use it.
14300 (integrate_decl_tree): Likewise.
14302 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
14304 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
14305 the second two from the first.
14306 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
14307 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
14308 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14310 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
14311 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14314 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
14316 * pa.md (call_internal_symref, call_value_internal_symref): No mode
14317 needed on the address operand.
14318 * pa.c (call_operand_address): Check for the correct mode.
14320 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
14322 * loop.c: Include "basic-block.h".
14323 (try_copy_prop, replace_loop_reg): New functions.
14324 (load_mems): Detect registers that just hold copies of the hoisted
14325 mem, and call try_copy_prop to eliminate them.
14326 * Makefile.in (loop.o): Update dependencies.
14328 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
14330 * Makefile.in (gencheck.o): Depend on gencheck.h.
14331 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
14332 (insn-peep.o): Depend on except.h and function.h.
14333 (insn-attrtab.o): Depend on RECOG_H.
14334 (insn-output.o): Depend on toplev.h and flags.h.
14335 (gengenrtl.o): Depend on real.h.
14336 (gen-protos.o): Depend on cpplib.h and cpphash.h.
14337 Unify all dependencies to be on RECOG_H rather than recog.h.
14339 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14341 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
14342 * configure.in: Try building a bi-arch 32/64-bit compiler on
14343 sparc-*-solaris2.7 and higher.
14344 * configure: Rebuild.
14346 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
14348 * config/freebsd.h: New, FreeBSD architecture independent file.
14349 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
14350 independent pieces.
14351 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
14352 directly by i386/freebsd.h.
14353 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
14354 independent configuration file.
14355 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
14356 directly by i386/freebsd.h.
14357 * configure: Rebuilt.
14359 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
14360 which is in the user's namespace.
14361 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
14362 `i386' which is not in our namespace.
14364 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
14366 * invoke.texi (ARM Options): Add in -mno-alignment-traps
14368 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14370 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
14371 (add_dwarf_attr, add_child_die): Just push onto the front.
14372 (reverse_die_lists): New fn.
14373 (add_sibling_attributes): Use it.
14374 (push_decl_scope): Reorganize.
14375 (add_name_and_src_coords_attributes): Don't set file and line for
14376 an artificial decl.
14377 (gen_subprogram_die): An artificial function doesn't need to match
14379 (gen_compile_unit_die): Return the generated die. Only add
14380 AT_comp_dir if the filename is relative.
14381 (remove_AT): Simplify loop. Also free string values.
14382 (output_die): A DIE ref can't be null.
14383 (output_value_format, value_format): Take a dw_attr_ref.
14384 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
14385 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
14386 AT_addr, AT_lbl): New fns.
14387 (various): Use them.
14388 (various): Constify.
14390 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14392 * combine.c (combine_simplify_rtx): When handling a SUBREG,
14393 take SUBREG_WORD into account.
14394 (if_then_else_cond): Likewise.
14396 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14398 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
14399 clause from BSD license, pursuant with
14401 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
14403 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
14405 * loop.c (load_mems): Reformat slightly.
14406 * basic-block.h (regset_head): New typedef.
14407 (INIT_REG_SET): New macro.
14409 1999-11-22 Bruce Korb <autogen@linuxbox.com
14411 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
14412 (mips-dec-bsd*): non-functional code
14413 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
14415 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
14416 added three replacement fixes
14417 (no_double_slash): removed comments that are not (any longer) pertinent
14418 (bad_lval): this fix currently runs against many files.
14419 The comment seems to indicate that we should select for files
14420 containing 'pragma extern_prefix'.
14422 * fixinc/fixinc.x86-linux-gnu: deleted
14423 * fixinc/inclhack.sh: regen
14424 * fixinc/fixincl.x: regen
14425 * fixinc/fixincl.sh: regen
14427 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
14429 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
14430 its code is INSN and it has no notes.
14432 1999-11-22 Andrew Haley <aph@cygnus.com>
14434 * varasm.c (function_defined): Remove.
14435 (make_function_rtl): Don't set function_defined.
14436 (make_decl_rtl): Remove global register warning.
14437 * regclass.c (no_global_reg_vars): New variable.
14438 (globalize_reg): Warn if function has already been defined.
14439 (regclass_init): Set no_global_reg_vars.
14441 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14443 * regclass.c (reg_pref): New structure and static variable
14444 (prefclass): Delete.
14445 (altclass): Delete.
14446 (all uses of prefclass and altclass): Use reg_pref instead.
14448 1999-11-21 Nick Clifton <nickc@cygnus.com>
14450 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
14452 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
14453 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14454 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14456 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
14458 * varasm.c (output_constructor): Solve problem with long long
14459 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
14461 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14463 * global.c (allocno): New structure and static variable.
14464 (allocno_reg): Remove, all references replaced by allocno.
14465 (allocno_size): Likewise.
14466 (hard_reg_conflicts): Likewise.
14467 (hard_reg_preferences): Likewise.
14468 (hard_reg_copy_preferences): Likewise.
14469 (hard_reg_full_preferences): Likewise.
14470 (regs_someone_prefers): Likewise.
14471 (allocno_calls_crossed): Likewise.
14472 (allocno_n_refs): Likewise.
14473 (allocno_live_length): Likewise.
14474 (find_reg): Rename ALLOCNO to NUM.
14476 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
14477 references updated.
14478 (may_move_out_cost): New variable.
14479 (init_reg_sets_1): Initialize may_move_out_cost.
14480 (record_reg_classes): Use may_move_out_cost.
14482 * regclass.c (dump_regclass): New function.
14483 (regclass): New parameter DUMP, call DUMP_REGCLASS.
14484 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
14485 pass rtl_dump_file to regclass.
14486 * rtl.h (regclass): Update prototype.
14488 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14490 * i386.md (neg, not and abs patterns): Revmap to use
14491 ix86_expand_unary_operator and ix86_unary_operator_ok.
14492 (add?f and sub?f expanders): Force operand 1 to register.
14493 * i386.c (ix86_expand_unary_operator): Rewrite.
14494 (ix86_unary_operator_ok): Ensure that memory operands
14496 (ix86_binary_operator_ok): Do not allow operand 1 to
14497 come into memory and operand 0 not.
14498 (ix86_expand_binary_operator): Ensure that
14499 src1 is not non-matching memory.
14501 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
14502 to support integer registers and memory.
14503 (abss?2_integer): Likewise.
14505 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
14506 (REG_CLASS_NAMES): Likewise.
14507 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
14509 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
14510 (movsf): Likewise; unify 4th and 5th alternative.
14511 (pushdf): Likewise.
14512 (movdf_1): Likewise; rename to movdf_integer.
14513 (pushxf): Likewise; rename to pushxf_integer; fix output template;
14514 remove redundant splitter.
14515 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
14516 (movdf_nointeger): New.
14517 (movxf_nointeger): New.
14518 (pushxf_nointeger): New.
14520 * i386.md (extend?f?f): Split to expander and pattern, refuse two
14521 memory operands in patterns.
14522 (fop*): Refuse two memory operands.
14524 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
14525 on !TARGET_USE_CLTD CPUs.
14527 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
14529 * extend.texi: Document C++ restricted pointers and references.
14531 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
14533 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
14534 (invalidate_skipped_set): Call it unconditionally.
14535 (cse_set_around_loop): Likewise.
14537 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14539 * rtl.texi (mem): Add documentation for alias-set argument
14542 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14544 * i386.h (struct_processor_costs): New fields int_load, int_store,
14545 fp_move, fp_load and fp_store
14546 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
14548 (MEMORY_MOVE_COST): New macro.
14549 * i386.c (386_cost): Define new fields.
14550 (i486_cost): Likewise.
14551 (pentium_cost): Likewise.
14552 (pentiumpro_cost): Likewise.
14553 (k6_cost): Likewise.
14555 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
14556 Geoffrey Keating <geoffk@cygnus.com>
14558 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
14560 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
14563 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
14564 (TARGET_STRICT_ALIGNMENT): New macro.
14565 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
14566 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
14567 * invoke.texi (M680x0 Options): Document -mstrict-align.
14569 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
14570 Richard Henderson <rth@cygnus.com>
14572 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
14573 (ix86_split_long_move): Declare.
14574 * i386.c (split_xf, ix86_split_movdi): Remove.
14575 (ix86_split_to_parts, ix86_split_long_move): New.
14576 * i386.md (dimode move splitters): Use ix86_split_long_move.
14577 (dfmode move splitters): Likewise.
14578 (xfmode move splitters): Likewise.
14579 (movsf_1): Allow F->r.
14580 (movdf_1, movxf_1): Allow F->ro.
14582 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14584 * except.h (struct eh_entry): Add goto_entry_p.
14585 (eh_region_from_symbol): Remove prototype.
14586 * except.c (find_func_region_from_symbol): New function.
14587 (emit_cleanup_handler): Likewise.
14588 (eh_region_from_symbol): Make it static.
14589 (add_new_handler): Verify the argument.
14590 (find_func_region): Update comment.
14591 (expand_eh_region_end): Expand handlers here, rater than waiting
14592 until expand_leftover_cleanups or start_all_catch.
14593 (expand_leftover_cleanups): Don't expand here.
14594 (expand_start_all_catch): Or here.
14595 (expand_rethrow): Check the return value from find_func_region.
14596 * function.c (expand_function_end): Emit the catch_clauses.
14598 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
14600 * integrate.c (expand_inline_function): Add necessary check for NULL.
14602 1999-11-18 Nick Clifton <nickc@cygnus.com>
14604 * toplev.c (main): Correctly detect an unrecognised option.
14606 * cppinit.c (cpp_handle_option): Do not claim to have consumed
14607 a -f option if it has not been recognised.
14609 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
14611 * basic-block.h (update_life_extent): Remove trailing comma on
14612 enumeration type list.
14614 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14616 * varasm.c (output_constructor) Solved problem with long long
14617 bitfields. Corrected calculating this_time and shift. Also
14618 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
14620 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
14622 * flow.c (split_edge): Take looping structure into account when
14623 determining where to put the new block note.
14625 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
14627 * Makefile.in (ggc-none.o): Provide host specific version if
14630 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
14632 * cse.c (delete_trivially_dead_insns): Identify no-op insns
14633 containing subregs too.
14635 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14637 * invoke.texi: Add documentation for -muninit-const-in-rodata.
14638 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
14639 (TARGET_UNINIT_CONST_IN_RODATA): Define.
14640 (text_section): Add switches -munint-const-in-rodata and
14641 -mno-uninit-const-in-rodata.
14642 (ASM_OUTPUT_COMMON): Remove.
14643 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
14644 const objects should be placed in read-only data. Otherwise declare
14647 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
14649 * jump.c (jump_optimize_1): Revert last change.
14651 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
14653 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
14654 test if optimizing for size.
14656 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14658 * Makefile.in (toplev.o): Depend on except.h.
14659 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
14661 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14663 * i386.md (divmodsi4): Rewrite to expander.
14664 (*divmodsi4_nocltd): New.
14665 (*divmodsi4_cltd): New.
14666 (divmodsi4 splitter): Handle the case when input comes in edx.
14667 (udivmodhi4): Do not use constraints in exander.
14668 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
14670 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
14672 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
14673 for the common case.
14675 1999-11-16 Jakub Jelinek <jakub@redhat.com>
14677 * explow.c (hard_function_value): Add outgoing argument.
14678 * expr.h (hard_function_value): Declare it.
14679 * calls.c (expand_call, emit_library_call_value): Update callers.
14680 * function.c (aggregate_value_p): Ditto.
14681 (diddle_return_value): Must look at the outgoing registers
14682 on archs with register windows.
14684 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
14686 * alpha.c (alpha_build_va_list): Use make_lang_type and
14687 initialize TYPE_NAME for the va_list record.
14689 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
14691 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
14693 * ggc.h (struct ggc_statistics): Rearrange elements for better
14694 packing on 64-bit hosts.
14695 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
14696 (compute_nearerout): Likewise.
14698 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
14700 * config/rs6000/rs6000.c (first_reg_to_save): Save
14701 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
14703 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
14705 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
14706 notion of nesting to find the DIE for a type or function.
14707 DIEs can go in limbo even if we got a context_die.
14708 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
14709 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
14711 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
14712 (gen_type_die): Writing out the context doesn't cause member class
14713 template instantiations to be written out as well.
14715 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
14717 * rs6000.h (ASM_OUTPUT_DEF): New.
14718 Based on proposed addition from David Edelsohn.
14720 1999-11-15 Robert Lipe <RobertLipe@usa.net>
14721 Bruce Korb <autogen@linuxbox.com>
14723 * fixinc/inclhack.def
14724 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
14725 (unixware7_byteorder_fix): added. Removes conflicts for new defs
14727 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
14728 (svr4_endian): enabled with SVR5
14729 (svr4_mkdev): simplified syntax and enabled with SVR5
14731 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
14733 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
14734 * configure: Rebuilt.
14735 * config/t-freebsd-thread: New file.
14737 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
14739 * i386.c (ix86_decompose_address): Verify the base is a REG
14740 before trying to examine its register number.
14742 * basic-block.h: Remove all #defines and prototypes related to
14744 (free_bb_mem, compute_preds_succs): Remove prototype.
14745 * rtl.h (free_bb_mem): Remove prototype.
14746 * flow.c (alloc_int_list_node); Remove function.
14747 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
14748 (compute_preds_succs, free_bb_mem): Likewise.
14749 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
14750 * toplev.c (rest_of_compilation): Likewise.
14751 * haifa-sched.c (build_control_flow): Use flow generated edge
14752 list to build the haifa specific edge list.
14753 (find_rgns): Use new CFG data structures instead of pred/succ lists.
14754 (schedule_insns): Do not build pred/succ lists anymore. Instead
14755 build the edge table.
14757 * basic-block.h (dump_bb_data): Remove declaration.
14758 * flow.c (dump_bb_data): Remove function.
14759 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
14760 (sbitmap_union_of_predsucc): Likewise.
14762 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
14763 argument. All callers changed.
14764 (delete_null_pointer_checks_1): No longer need to compute the
14767 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
14768 All callers changed.
14769 (pre_expr_reaches_here_p_work): Likewise.
14770 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
14771 * lcm.c (compute_laterin): Fix initialization of LATER.
14772 (compute_nearerout): Similarly for NEARER.
14774 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14776 * cse.c (set_nonvarying_address_components): Delete unused function.
14777 (refers_to_p): Likewise.
14779 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
14781 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
14784 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14786 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
14787 definition in do while (0).
14789 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
14791 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
14793 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
14795 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
14797 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
14799 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
14800 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
14801 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
14802 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
14804 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
14805 saved on the stack. Output more accurate stack frame statistics
14806 into assembler file.
14808 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
14810 * genextract.c (record_insn_name): New function.
14811 (get_insn_name): No longer a stub.
14812 (main): Call record_insn_name for each insn. After each label
14813 written, print the insn name in a comment.
14815 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14817 * output.h (const_section, init_section, fini_section): Add
14820 * alpha/elf.h (const_section): Delete declaration.
14822 * svr4.h (const_section): Likewise.
14824 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
14826 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
14827 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
14828 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
14830 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
14831 variable-sized array bounds.
14833 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
14835 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
14838 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14840 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
14841 addresses the same way GO_IF_LEGITIMATE_INDEX does.
14843 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14845 * cse.c (hash_arg_in_struct): Delete.
14846 (struct table_elt): Delete elt in_struct.
14847 (struct set): Delete elt src_in_struct.
14848 (merge_equiv_classes): Don't set either hash_arg_in_struct or
14849 the corresponding in_struct elts.
14850 (canon_hash): Likewise.
14851 (safe_hash): Likewise.
14852 (find_best_addr): Likewise.
14853 (record_jump_cond): Likewise.
14854 (cse_insn): Likewise.
14856 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
14858 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
14860 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
14863 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
14865 * function.c (diddle_return_value): Put back check that the DECL_RTL
14866 for the function is a register.
14868 * function.c (diddle_return_value): Use hard_function_value to
14869 get an rtx suitable for use in the USE/CLOBBER insn.
14871 * global.c (global_conflicts): Update comments.
14872 (record_conflicts): No need to record conflicts between pseudos here.
14874 1999-11-11 Bruce Korb <autogen@linuxbox.com>
14876 * fixinc/fixincl.c: Added verbose levels for status messages
14878 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14880 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
14881 operand as argument to expand_and or expand_binop.
14883 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
14885 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
14886 gcc_add_string_root.
14888 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
14890 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
14892 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
14894 * flow.c (compute_flow_dominators): Initially put all blocks on
14896 * lcm.c (compute_antinout_edge, compute_available): Similarly.
14897 * gcse.c (compute_cprop_avinout): Remove.
14898 (compute_cprop_data): Use compute_available.
14899 (delete_null_pointer_checks_1): Use compute_available.
14901 * basic-block.h (compute_available): Returns a void now.
14902 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
14903 to return a value anymore.
14904 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
14905 worklists. Fix boundary cases. Compute maximal solutions.
14906 (compute_laterin, compute_nearerout): Similarly.
14908 * dwarf2out.c (add_AT_location_description): Allow
14909 (mem (plus (pseudo) (...)) too.
14911 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
14913 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
14915 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
14916 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14918 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
14920 * gansidecl.h: Likewise.
14926 * toplev.h: Likewise.
14928 * tree.c: Likewise.
14930 * tree.h: Likewise.
14932 * varray.c: Likewise.
14934 * varray.h: Likewise.
14936 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
14938 * gcov.c (struct arcdata): Add hits and total, remove prob.
14939 (output_branch_counts): New.
14940 (process_args): Set output_branch_counts if -c.
14941 (calculate_branch_probs): Store hits and total instead of
14943 (output_data): Emit counts if output_branch_counts is true.
14944 * gcov.texi (Invoking Gcov): Document -c switch..
14946 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
14948 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
14949 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
14951 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
14953 * invoke.texi (C Dialect Options): Add missing builtins from
14954 c-common.c to list.
14955 * extend.texi (Other Builtins): Copy to this list.
14957 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14959 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
14960 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
14961 redundant bitmap.h.
14963 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
14965 * flow.c (compute_flow_dominators): No longer treat basic block 0
14966 or (n_basic_blocks - 1) specially. Clear the AUX field before
14967 starting computation of doms/pdoms. Fix initial state for pdoms.
14969 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14971 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
14972 match rtl.o's: added ggc.h and toplev.h
14973 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
14974 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
14975 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
14977 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
14979 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
14980 from HAVE_DOS_BASED_FILESYSTEM.
14981 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
14982 HAVE_DOS_BASED_FILESYSTEM.
14984 (split_directories): Only special-case DOS file names if
14985 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
14986 instead of explicit tests. Conditionalize on !VMS.
14987 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
14988 tests. Conditionalize on !VMS.
14989 (process_command): Only use make_relative_prefix if !VMS.
14990 (free_split_directories): Conditionalize on !VMS.
14991 (DIR_UP): Conditionalize on !VMS.
14993 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
14995 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
14997 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
14999 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
15002 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
15004 * invoke.texi (Environment Variables): Document relative path
15006 * gcc.c (DIR_UP): If not defined, define as "..".
15007 (standard_bindir_prefix): New static, holds target location to
15009 (split_directories): New function to split a filename into
15010 component directories.
15011 (free_split_directories): New function, release memory allocated
15012 by split_directories.
15013 (make_relative_prefix): New function, make a relative pathname if
15014 the compiler is not in the expected location.
15015 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
15016 can figure out an appropriate prefix from argv[0].
15017 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
15018 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
15019 STANDARD_BINDIR_PREFIX.
15021 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15023 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
15025 * config/c4x/c4x.h: Moved prototypes to c4x.h.
15026 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
15027 c4x_secondary_memory_needed) Delete.
15028 (fp_zero_operand): Add mode argument.
15030 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
15032 * reload1.c (reload_reg_free_for_value_p): Don't use a register
15033 that is in reload_reg_used.
15035 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
15037 * config/arm/arm-protos.h: New file: Prototypes for functions
15038 defined in arm.c and pe.c.
15039 * config/arm/arm.h: Fix compile time warnings.
15040 * config/arm/arm.c: Fix compile time warnings.
15041 * config/arm/pe.h: Fix compile time warnings.
15042 * config/arm/aout.h: Fix compile time warnings.
15044 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
15046 * config/m32r/m32r-protos.h: New file: Prototypes for functions
15049 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
15050 Add support for subtargets.
15051 Add prototypes for new predicates.
15052 Add scheduling macros.
15054 * config/m32r/m32r.c: Fix compile time warnings.
15055 (int8_operand): New predicate function.
15056 (reg_or_cmp_int16_operand): New predicate function.
15057 (extend_operand): New predicate function.
15058 (m32r_adjust_code): New scheduling function.
15059 (m32r_adjust_priorty): New scheduling function.
15060 (m32r_sched_init): New scheduling function.
15061 (m32r_sched_reorder): New scheduling function.
15062 (m32r_sched_variable_issue): New scheduling function.
15063 (direct_return): New codegen function.
15064 (m32r_not_same_reg): New rtl testsing function.
15066 * config/m32r/m32r.md: Fix compile time warnings.
15067 Add support for pre decrement and post increment memory
15069 Add S<cc> patterns.
15072 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15074 * global.c (EXECUTE_IF_CONFLICT): Don't define.
15075 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
15076 (find_reg): Likewise.
15078 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
15080 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
15081 to avoid assembler errors.
15083 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
15085 * config/v850/v850-protos.h: New file: Prototypes for functions
15087 * config/v850/v850.h: Move prototypes to v850-protos.h
15088 * config/v850/v850.c: Move prototypes to v850-protos.h
15089 * config/v850/v850.md: Fix compile time warnings.
15091 * config/fr30/fr30-protos.h: New file: Prototypes for functions
15093 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
15094 * config/fr30/fr30.c: Fix compile time warnings.
15095 * config/fr30/fr30.md: Fix compile time warnings.
15097 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
15099 * tree.h (get_containing_scope): Declare it.
15100 * tree.c (get_containing_scope): New fucntion.
15101 (decl_function_context): Use it.
15102 * toplev.c (rest_of_compilation): Use get_containing_scope.
15104 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15106 * Makefile.in (rtl.o): Depend on toplev.h.
15108 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
15110 * cse.c (delete_trivially_dead_insns): Replace alloca with
15112 * except.c (update_rethrow_references): Likewise.
15113 (init_eh_nesting_info): Likewise.
15114 * function.c (identify_blocks): Likewise.
15115 * gcse.c (dump_hash_table): Likewise.
15116 * graph.c (print_rtl_graph_with_bb): Likewise.
15117 * loop.c (combine_movables): Likewise.
15118 (move_movables): Likewise.
15119 (count_loop_regs_set): Likewise.
15120 (strength_reduce): Likewise.
15121 * profile.c (compute_branch_probabilities): New function, split
15123 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
15124 * regclass.c (regclass): Likewise.
15125 * regmove.c (regmove_optimize): Likewise.
15126 * toplev.c (compile_file): Likewise.
15127 (main): Don't mess with the stack rlimit.
15129 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
15131 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
15132 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
15134 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
15136 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
15138 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
15140 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
15141 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
15144 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
15146 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
15148 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
15150 * gcse.c (post_dominators): Kill.
15151 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
15152 (compute_code_hoist_data): Use compute_flow_dominators. Do not
15153 pass in a pdom array since we do not need pdoms.
15154 * haifa-sched.c (schedule_insns): Similarly.
15155 * flow.c (compute_dominators): Remove dead function.
15156 (compute_flow_dominators): Do not compute doms or pdoms if the
15157 caller does not request them. Split up loop to build doms and
15158 pdoms. Use a worklist to compute doms and pdoms.
15159 * basic-block.h (compute_dominators): Remove prototype.
15161 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
15163 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
15164 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
15165 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
15166 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
15167 (cant_move, fed_by_spec_load, is_load_insn): Remove.
15168 (schedule_region): Remove unused variable.
15169 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
15171 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
15173 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
15174 (update_equiv_regs): Likewise.
15175 (block_alloc): Likewise.
15176 * reg-stack.c (reg_to_stack): Likewise.
15177 (convert_regs_2): Likewise.
15178 * reload1.c (reload_as_needed): Likewise.
15180 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
15182 * Makefile.in (dbxout.o): Depend on ggc.h.
15183 (dwarf2out.o): Likewise.
15184 (xcoffout.o): Likewise.
15185 * dbxout.c: Include ggc.h.
15186 (dbxout_init): Register lastfile as a root.
15187 * dwarf2out.c: Include ggc.h.
15188 (dwarf2out_line): Register lastfile as a root.
15189 * xcoffout.c: Include ggc.h.
15190 (xcoffout_source_line): Register xcoff_lastfile as a root.
15192 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
15194 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
15196 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
15198 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
15200 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
15202 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15204 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
15205 (EXECUTE_IF_CONFLICT): Likewise.
15206 (ALLOCNO_LIVE_P): Avoid signed division.
15207 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
15208 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
15209 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
15211 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
15213 * haifa-sched.c (schedule_block): Don't crash if there's no
15214 next insn for an interblock movement.
15215 (add_branch_dependences): Don't allow clobber insns to move either.
15217 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
15219 * i386.c (split_xf): New.
15220 * i386-protos.h: Declare it.
15221 * i386.md (movxf_1): Add general regs alternatives.
15222 (movxf_1+1): New splitter for same.
15224 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
15226 * function.c (purge_addressof_1): Add missing return values.
15228 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
15230 * function.c (is_addressof): New function. Returns true if
15231 the given piece of RTL is an ADDRESSOF.
15232 (purge_addressof_1): Make boolean. Return false if the
15233 ADDRESSOFs could not be purged.
15234 (purge_addressof): If ADDRESSOFs could not be purged from the
15235 notes attached to an insn, remove the offending note(s),
15236 unless they are attached to a libcall.
15238 1999-11-05 Andreas Jaeger <aj@suse.de>
15240 * genoutput.c (null_operand =): Initialize all fields.
15242 * errors.h: Add extern to prototypes.
15244 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
15246 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
15247 * configure: Rebuilt.
15249 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15251 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
15252 (mirror_conflicts): New function.
15253 (global_alloc): Call it.
15254 (expand_preferences): Remove redundant CONFLICTP test.
15255 (find_reg, dump_conflicts): Likewise.
15256 (prune_preferences): Process conflicts one word at a time.
15258 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
15260 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
15261 instead of an explicit loop.
15263 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
15265 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
15266 if REG_RETVAL check succeeds, then put classp in src_elt.
15268 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
15270 * function.c (pad_to_arg_alignment): Only update argument_pad
15271 if the argument's alignment is greater than STACK_BOUNDARY.
15273 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
15275 * bitmap.h (BITMAP_XFREE): New.
15276 * flow.c (life_analysis): Use it.
15277 (life_analysis_1): Free blocks.
15279 * combine.c (undo_commit): New.
15280 (try_combine): Use it. Don't zap undobuf.undos.
15281 (combine_instructions): Don't zap undobuf.undos; free the
15282 undobuf.frees list.
15284 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
15286 * stmt.c (cost_table_): New.
15287 (estimate_case_costs): Use it instead of xmalloc.
15289 * toplev.c (compile_file): Reuse dumpname memory instead
15292 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
15294 * reg-stack.c (convert_regs_1): Initialize target_stack->top
15295 after verifying an EH edge.
15297 * haifa-sched.c (init_rgn_data_dependences): Correctly
15298 size bb_pending_lists_length when zeroing.
15300 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
15302 * function.c (diddle_return_value): New.
15303 (expand_function_end): Use it.
15304 * stmt.c (expand_null_return): Likewise.
15305 (expand_value_return): Likewise.
15307 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
15309 * reload1.c (reload): Don't remove return value clobbers.
15311 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
15313 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
15315 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
15317 * cse.c (cse_main): Use xmalloc, not alloca.
15318 (cse_basic_block): Likewise.
15319 * local-alloc.c (local_alloc): Likewise.
15321 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
15322 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15324 * rtl.c: Include toplev.h.
15325 (fatal): Remove declaration.
15327 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
15329 * haifa-sched.c (schedule_block): Fix thinko.
15331 1999-11-03 James McKelvey <mckelvey@fafnir.com>
15333 * fixinc/fixincl.c(create_file): Allow for systems that do not have
15334 S_IR* defined values
15336 1999-11-03 Philippe De Muyter <phdm@macqel.be>
15338 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
15339 call `malloc' instead.
15341 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
15343 * flags.h (flag_renumber_insns): Declare.
15344 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
15346 * rtl.h (renumber_insns): Change prototype.
15347 * toplev.c (flag_renumber_insns): Define.
15348 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
15350 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
15352 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
15353 and fpsqrtd. Use them and create fdiv function unit to more
15354 accurately represent fpu sqrt pipeline semantics on UltraSparc.
15355 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
15357 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
15359 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
15361 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
15362 insn into ready list, do not use just a raw swap.
15364 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
15366 * rtl.h (renumber_insns): New function.
15367 (remove_unnecessary_notes): Likewise.
15368 * emit-rtl.c (renumber_insns): Define.
15369 (remove_unncessary_notes): Likewise.
15370 * toplev.c (rest_of_compilation): Remove dead code.
15371 Use renumber_insns and remove_unncessary_notes.
15373 * gcse.c (struct null_pointer_info): New type.
15374 (get_bitmap_width): New function.
15375 (current_block): Remove.
15376 (nonnull_local): Likewise.
15377 (nonnull_killed): Likewise.
15378 (invalidate_nonnull_info): Take a null_pointer_info as input.
15379 (delete_null_pointer_checks_1): New function.
15380 (delete_null_pointer_checks): Use it.
15382 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
15383 (split_edges): Likewise.
15384 (schedule_block): Likewise.
15385 (compute_block_backward_dependencies): Likewise.
15386 (schedule_region): Likewise.
15387 (schedule_insns): Likewise.
15389 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
15391 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
15392 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
15393 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
15394 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
15395 * jump.c (delete_unreferenced_labels): Don't delete if
15396 LABEL_ALTERNATE_NAME is set.
15397 * print-rtl.c (print_rtx): Dump alternate name.
15398 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
15399 * rtl.h (LABEL_ALTERNATE_NAME): Define.
15400 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
15401 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
15403 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15405 * fix-header.c (recognized_extern, recognized_function): Constify
15408 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
15409 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15410 (compute_available): Remove unused variable `last'.
15411 (compute_nearerout): Remove unused variable `temp_bitmap'.
15412 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15413 Remove unused variable `x'.
15415 * scan.h (recognized_function, recognized_extern): Constify a
15418 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
15420 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15422 * varasm.c (decode_rtx_const): Use XSTR to access the string
15425 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
15427 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
15429 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15431 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
15433 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
15435 * pa.c (ireg_operand): New function.
15436 * pa.h (PREDICATE_CODES): Handle ireg_operand.
15437 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
15438 Fix out of date comment.
15440 * pa.md (negdi2): Turn into expander + anonymous pattern.
15442 * reload.c (find_reloads): Fix typos in recent change.
15444 * dwarf2out.c: Do not include ctype.h.
15446 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15448 * regclass.c (record_reg_classes): Always use may_move_cost when
15449 seeing how operand fits with various register classes.
15451 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
15453 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
15454 * toplev.c: Revert Nov 1 13:22 change.
15456 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
15458 * config/pa/pa.md (height reduction patterns): Add checks for
15459 overlapping operands to avoid semantic-destroying splits for
15460 height reduction patterns.
15462 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15464 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
15465 have been an hyphen, fixed.
15466 * configure: Rebuilt.
15468 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
15470 * config/arm/tpe.h: Add prototypes for exported functions.
15471 * config/arm/pe.c: Fix compile time warnings.
15472 * config/arm/semi.h: Fix compile time warnings.
15473 * config/arm/arm.c: Fix compile time warnings.
15474 * config/arm/arm.h: Fix compile time warnings.
15475 * config/arm/arm.md: Fix compile time warnings.
15476 * config/arm/thumb.c: Fix compile time warnings.
15477 * config/arm/thumb.h: Fix compile time warnings.
15478 * config/arm/thumb.md: Fix compile time warnings.
15480 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
15482 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
15485 * unroll.c (unroll_loop): Remove LOOP notes when loop is
15486 completely unrolled.
15488 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15490 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
15492 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
15494 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
15495 * rtl.h (rtx_equal_p): Move prototype.
15496 * rtl.c (rtx_equal_function_value_matters): Move from
15498 (rtx_equal_p): Likewise.
15499 * rtlanal.c (rtx_equal_function_value_matters): Delete.
15500 (rtx_equal_p): Likewise.
15502 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
15504 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
15505 ! HAS_INIT_SECTION.
15507 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
15509 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
15511 * pa.h (ADDR_VEC_ALIGN): Define.
15513 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
15514 notes when presented with "if (foo) break; end_of_loop" and
15515 the break sequence gets moved out of the loop.
15517 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
15518 Remove explicit zero initializations of entries within MAP.
15520 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
15522 * reg-stack.c (convert_regs_1): Handle EH edges specially.
15524 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
15526 * bitmap.h (BITMAP_XMALLOC): New macro.
15527 * flow.c (CLEAN_ALLOCA): Remove.
15528 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
15529 (life_analysis): Likewise.
15530 (update_life_info): Don't use CLEAN_ALLOCA.
15531 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
15532 (calculate_global_regs_live): Likewise.
15533 (print_rtl_with_bb): Likewise.
15534 (verify_flow_info): Likewise.
15535 * global.c (global_alloc): Likewise.
15536 (global_conflicts): Likewise.
15537 * integrate.c (save_for_inline_nocopy): Likewise.
15538 (expand_inline_function): Likewise.
15539 * jump.c (jump_optimize_1): Likewise.
15540 (duplicate_loop_exit_test): Likewise.
15541 (thread_jumps): Likewise.
15542 * loop.c (loop_optimize): Likewise.
15543 (combine_givs): Likewise.
15544 (recombine_givs): Likewise.
15545 * reorg.c (dbr_schedule): Likewise.
15546 * unroll.c (unroll_loop): Likewise.
15548 * combine.c (combine_instructions): Use xmalloc instead of alloca.
15550 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
15552 * toplev.c (rest_of_compilation): Don't optimize the CFG
15553 when rebuilding, just before dbr.
15555 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15557 * output.h (assemble_end_function, assemble_destructor,
15558 assemble_constructor, assemble_gc_entry, assemble_global,
15559 assemble_label, output_constant_pool) Constify a char*.
15561 * varasm.c (assemble_destructor, assemble_constructor,
15562 assemble_gc_entry, assemble_end_function, assemble_global,
15563 assemble_label, output_constant_pool): Likewise.
15565 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
15567 * config/arm/thumb.c (thumb_expand_prologue): Add comments
15568 explaining what is goin on in this function.
15570 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15572 * regclass.c (record_reg_classes): In matching case, recompute
15573 costs since the direction of movement is different.
15575 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
15577 * resource.c (mark_target_live_regs): For unconditional branches,
15578 the resources found at the branch target should be added to the
15579 resources found so far, not intersected.
15581 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
15583 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
15585 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
15586 (sys/mman.h): Include this file only if #HAVE_MMAP.
15587 (run_compiles): Initialize `esac_fmt' with one old KR string, not
15588 with automatically concatenated ANSI strings.
15590 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
15592 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
15593 (DIV_ROUND_UP): Robustify.
15594 (ggc_recalculate_in_use_p): New function.
15595 (release_pages): Don't inline it.
15596 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
15598 (ggc_pop_context): Use ggc_recalculate_in_use_p.
15599 (clear_marks): Always save in_use_p.
15600 (sweep_pages): Use ggc_recalculate_in_use_p.
15601 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
15602 Release pages before counting statistics.
15604 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
15606 * toplev.c (rest_of_compilation): Fix thinko in this change:
15608 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15610 (rest_of_compilation): If inside an inlined external function,
15611 pretend we are just being declared.
15613 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
15615 * flow.c (calculate_global_regs_live): Fix thinko.
15617 * integrate.c (expand_inline_function): Fix bugs in previous
15618 change from Oct 28, 1999.
15620 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
15622 * stmt.c (expand_value_return): Fix typo in this change:
15624 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15625 (expand_value_return): Correctly convert VAL when promoting function
15626 return; support RETURN_REG being a PARALLEL.
15628 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
15630 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
15632 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15634 * hard-reg-set.h (reg_names): Constify a char*.
15636 * regclass.c (reg_names): Likewise.
15638 * regs.h (reg_names): Likewise
15640 * a29k/a29k.c (reg_names): Delete declaration.
15642 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
15644 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
15645 arc_output_function_epilogue): Likewise.
15647 * elxsi/elxsi.c (reg_names): Likewise.
15649 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
15651 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
15654 * m88k/m88k.c (output_function_profiler): Likewise.
15656 * sparc/sparc.c (sparc_flat_output_function_prologue,
15657 sparc_flat_output_function_epilogue): Likewise.
15659 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
15661 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
15662 warning from -Wuninitialized and put it under -W.
15663 * function.c (uninitialized_vars_warning): Warn only when the
15664 corresponding flag is set.
15666 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
15668 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
15669 is nonzero and the single set does not have an elt, then assign
15672 * simplify-rtx.c: New file.
15673 * Makefile.in (OBJS): Add simplify-rtx.o
15674 (simplify-rtx.o): Add dependencies.
15675 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
15676 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
15677 (cse_gen_binary, simplify_unary_operation): Delete.
15678 (simplify_binary_operation, simplify_plus_minus): Likewise.
15679 (check_fold_consts, simplify_relation_operation): Likewise.
15680 (simplify_ternary_operation): Likewise.
15681 (delete_trivially_dead_insns): Simplify the contents of the
15682 REG_EQUAL note before trying to substitute it into the source
15683 of the reg-reg copy at the end of a libcall sequence.
15685 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
15686 references/callers changed.
15688 * mn10200.c (mn10200_va_arg): Force the return value into a
15691 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
15693 * cccp.c (macroexpand): Avoid out of range accesses for omitted
15696 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
15698 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
15700 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
15702 * fold-const.c (fold): Fix thinko when optimizing comparisons
15705 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
15707 * gcc.texi (Passes): Update front-end files to their current
15710 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
15712 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
15713 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
15714 (PREDICATE_CODES): Add addition_operation.
15715 * alpha-protos.h (addition_operation): Declare.
15716 (secondary_reload_class): Likewise.
15717 * alpha.c (addition_operation): New.
15718 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
15719 * alpha.md (adddi3): Turn into expander.
15720 (*lda, *adddi_2): New.
15721 (movsf, movdf patterns): Don't preference integer regs.
15722 (movsi, movdi patterns): Don't preference fp regs.
15724 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
15726 * genrecog.c (write_switch): Check for duplicate CODE cases.
15728 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
15730 * ggc-common.c: Update pre-function commentary.
15731 * ggc-page.c: Likewise.
15733 (poison_pages): Use memset directly.
15734 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
15735 (ggc_collect): Poison before sweeping.
15736 * ggc-simple.c: Update pre-function commentary.
15737 (ggc_alloc_obj): Poison non-zeroed memory.
15739 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
15741 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
15742 match format string, even on 64-bit hosts.
15743 * gcc-page.c (ggc_page_print_statistics): Likewise.
15745 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
15747 * config/i386/i386.c (ix86_cpu): Revert last patch.
15748 * config/i386/i386.h (ix86_cpu): Ditto.
15750 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
15752 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
15753 TYPE_SIZE, convert type of result to sizetype.
15755 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
15757 * flow.c (count_or_remove_death_notes): Equate NULL with the
15760 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
15761 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
15764 * i386.c (pic_label_no): Delete.
15765 (ix86_attr_length_default): Don't use single_set to peek
15768 * recog.c (peephole2_optimize): Allow recog_next_insn to index
15769 the first insn after bb->end.
15770 * i386.md (push mem peeps): Scratch is live after evaluation
15772 (cmp mem peep): Similarly.
15774 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
15776 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
15777 * function.c (pad_to_arg_alignment): Add missing braces.
15779 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15781 * alpha/alpha-protos.h (literal_section): Add prototype.
15782 (alpha_need_linkage, alpha_start_function,alpha_end_function):
15785 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
15787 (alpha_start_function, alpha_end_function, float_strings,
15788 alpha_need_linkage): Constify a char*
15790 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
15792 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
15794 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
15796 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
15798 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15800 * flow.c (debug_flow_info): Add prototype.
15802 * gcc.c (main): Likewise.
15804 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
15807 * reload1.c (failed_reload, set_reload_reg): Likewise.
15809 * mips-tfile.c (main): Likewise.
15810 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
15811 with ATTRIBUTE_NORETURN.
15813 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
15815 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
15816 DECL is not a memory ref.
15818 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
15820 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
15821 * config/i386/i386.c (ix86_cpu): Add extern attribute.
15823 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
15825 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
15826 * config/mips/elf64.h: ditto.
15828 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
15830 * expr.c (emit_push_insn): New argument alignment_pad.
15831 Update all callers. Adjust stack pointer based on alignment pad.
15832 * function.c (pad_to_arg_alignment): New argument alignment_pad.
15833 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
15834 (locate_and_pad_parm): New argument alignment_pad. Update all
15836 * expr.h (emit_push_insn): Update prototype.
15837 (locate_and_pad_parm): Update prototype.
15838 * calls.c (arg_data): Add new field alignment_pad.
15839 (initialize_argument_information): Initialize alignment_pad.
15841 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
15843 * except.c (free_eh_nesting_info): Free the info itself.
15844 * function.c (free_after_compilation): Don't free NULL.
15845 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
15846 (pre_edge_insert): Free inserted.
15847 * stmt.c (free_stmt_status): Don't free NULL.
15849 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15851 * gcov.c (DIR_SEPARATOR): Provide default.
15852 (output_data): Add test for MS-DOS format absolute filename.
15853 (fancy_abort): Correct program name.
15854 (open_files): Open all files in binary mode.
15855 * libgcc2.c (__bb_exit_func): Likewise.
15857 * profile.c (init_branch_prob): Specify binary when opening files.
15859 * flags.h (flag_unwind_tables): New decl.
15860 * toplev.c (flag_unwind_table): New definition.
15861 (f_options): Add -funwind-tables.
15862 (decode_g_option): Clarify warning when unknown -g option is given.
15863 (rest_of_compilation): If inside an inlined external function,
15864 pretend we are just being declared.
15866 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
15867 (dwarf2out_frame_finish): Likewise.
15869 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
15871 * fold-const.c (merge_ranges): If not in0, but in1, handle
15872 upper bounds equal like subset case.
15874 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
15876 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
15877 passed in a register but moved to the stack.
15879 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
15881 * gcc.c (pass_exit_codes, greatest_status): New variables.
15882 (struct option_map): Add entry for "--pass-exit-codes".
15883 (execute): Update greatest_status if error.
15884 (display_help): Add documentation for -pass-exit-codes.
15885 (process_command): Handle -pass-exit-codes.
15886 (main): Look at pass_exit_codes and greatest_status on call to exit.
15888 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15890 * reload.c (find_reloads): Refine test for no input reload
15891 case to not includes reloads emitted after insn.
15893 * function.c (find_temp_slots_from_address): Handle sum involving
15894 a register that points to a temp slot.
15895 (update_temp_slot_address): Make recursive call if both old and
15896 new are PLUS with a common operand.
15897 * calls.c (expand_call): Mark temp slot for result as having
15900 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
15902 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
15903 component as well as "BINUTILS".
15905 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
15906 * integrate.c (copy_rtx_and_substitute): Likewise.
15907 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
15908 All callers changed.
15909 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
15911 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
15912 gdb extensions, write size of type; also be more consistent
15913 in using references when this is a subtype.
15915 * pa.md (extv, extzv, insv): Use define_expand to reject constant
15916 that is out of range.
15918 * loop.c (unknown_constant_address_altered): New variable.
15919 (prescan_loop): Initialize it.
15920 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
15921 (invariant_p, case MEM): Remove handling for volatile and readonly;
15922 check new variable if readonly.
15923 (check_dbra_loop): Chdeck unknown_constant_address_altered.
15925 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
15926 (addr_affects_sp_p): Removed from note_mem_written and only
15927 define #ifdef AUTO_INC_DEC.
15929 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
15931 * regclass.c (record_reg_classes): Properly handle register move
15934 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
15935 Don't think valid if both operands are invalid.
15936 (struct constant_descriptor): New field RTL.
15937 (mark_const_hash_entry): Mark it.
15938 (record_constant{,_rtx}): Initialize it.
15939 (output_constant_def): Allocate RTL in permanent obstack and
15941 ({record,compare}_constant_1): Modes must match for
15942 CONSTRUCTOR of ARRAY_TYPE.
15944 * c-common.h (initializer_constant_valid_p): Delete decl from here.
15945 * output.h (initializer_constant_valid_p): Move decl to here.
15946 * c-common.c (initializer_constant_valid_p): Delete function from here.
15947 * varasm.c (initializer_constant_valid_p): Move function to here.
15949 * tree.h (STRIP_SIGN_NOPS): New macro.
15950 * fold-const.c (optimize_minmax_comparison): New function.
15951 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
15952 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
15953 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
15954 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
15955 widening conversions.
15956 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
15957 to look at size of mode, not precision of type; also add missing cases.
15958 (optimize_bit_field_compare, decode_field_reference): Don't try to
15959 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
15961 * dwarf2out.c (ctype.h): Include.
15962 (dwarf2out_set_demangle_name_func): New function.
15963 (size_of_line_info): Deleted.
15964 (output_line_info): Compute size of line info table from difference
15966 (base_type_die, add_name_attribute): Call demangle function, if any.
15967 (field_byte_offset): Use bits per word for variable length fields.
15968 (gen_array_type_die): Add array name.
15969 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
15970 (dwarf2out_add_library_unit_info): New function.
15972 * explow.c (set_stack_check_libfunc): New function.
15973 (stack_check_libfunc): New static variable.
15974 (probe_stack_range): Allow front-end to set up a libfunc to call.
15976 * combine.c (simplify_comparison): When making comparison in wider
15977 mode, check for having commuted an AND and a SUBREG.
15978 (contains_muldiv): New function.
15979 (try_combine): Call it when dividing a PARALLEL.
15980 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
15981 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
15983 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
15984 use one of the CLOBBERs instead.
15985 (if_then_else_cond): If comparing against zero, just return thing
15988 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
15989 Don't generate shifts and subtract if have conditional arithmetic.
15991 * rtl.h (delete_barrier): New declaration.
15992 * jump.c (jump_optimize): Set up to handle conditional call.
15993 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
15994 (delete_barrier): New function.
15996 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
15998 * recog.c (nonmemory_operand): Accept ADDRESSOF.
16000 * tree.c (build_type_attribute_variant): Push to obstack of
16001 ttype around type_hash_canon call.
16003 * expr.c (placeholder_list): Move decl to file scope.
16004 (expand_expr): Don't force access to volatile just because its
16006 If ignoring reference operations, just expand the operands.
16007 (expand_expr, case COMPONENT_REF): Propagate
16008 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
16009 Refine test for using bitfield operations vs pointer punning.
16010 (expand_expr, case CONVERT_EXPR): If converting to
16011 BLKmode UNION_TYPE from BLKmode, just return inner object.
16012 Use proper mode in store_field call.
16013 Properly set sizes of object to store and total size in store_field
16014 call for convert to union.
16015 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
16016 memory (like for ADDR_EXPR). Also, don't put constant in register if
16017 we'll want it in memory.
16018 (readonly_fields_p): New function.
16019 (expand_expr, case INDIRECT_REF): Call it if LHS.
16020 (expand_assignment): Handle a RESULT_DECL where
16021 DECL_RTL is a PARALLEL.
16022 (do_jump, case WITH_RECORD_EXPR): New case.
16023 (get_inner_reference): Always go inside a CONVERT_EXPR
16024 and NOP_EXPR if both modes are the same.
16025 (store_field): Use bitfield operations if size of bitsize is not same
16026 as size of RHS's type.
16027 Check for bitpos not a multiple of alignment in BLKmode case.
16028 Do block move in largest possible alignment.
16029 (store_constructor): Set BITSIZE to -1 for variable size and properly
16030 in case of array of BLKmode.
16031 (expand_expr_unaligned): New function.
16032 (do_compare_and_jump): Call it.
16034 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
16035 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
16036 does not include 'o'.
16038 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
16039 both SET_DEST and SET_SRC reference a virtual register.
16040 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
16042 * integrate.c (expand_inline_function): Handle case of setting
16043 virtual stack vars register (from built in setjmp); when parameter
16044 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
16045 (subst_constant): Add new parm, MEMONLY.
16046 (expand_inline_function, integrate_parm_decls): Pass new parm.
16047 (integrate_decl_tree): Likewise.
16048 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
16049 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
16050 (copy_rtx_and_substitute, case SET): Add explicit calls to
16051 copy_rtx_and_substitute for both sides.
16053 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
16055 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
16056 within INDEX_TYPE, instead of before.
16057 (fixup_gotos): Use f->target_rtl, not the next insn,
16058 since latter may be from a later fixup.
16059 (expand_value_return): Correctly convert VAL when promoting function
16060 return; support RETURN_REG being a PARALLEL.
16061 (expand_return): When checking for result in regs and having
16062 cleanup, consider PARALLEL in DECL_RTL as being in regs.
16064 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
16066 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
16067 last_nominal_fname): Mark const.
16068 (struct include_hash: name, nshort, control_macro): Mark
16070 (struct macrodef: symnam): Mark const.
16071 (struct if_stack: fname): Mark const.
16072 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
16073 (IStable): New character-syntax array which encompasses all
16074 the old is_foo arrays.
16075 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
16076 is_space): New macros for interrogating IStable.
16077 (check_macro_name): Kill last argument. All callers changed.
16079 * cppinit.c (initialize_char_syntax): Delete.
16080 (is_idchar, is_idstart, is_hor_space, is_space,
16081 trigraph_table): Delete.
16082 (IStable): New. Initialize with clever macros to avoid
16083 information duplication.
16084 (builtin_array): Table of builtins to get rid of explicit list
16085 in initialize_builtins.
16086 (initialize_builtins): Use builtins_array.
16087 (cpp_start_read): Call init_IStable, and set IStable['$'] if
16088 opts->dollars_in_ident.
16090 * cppexp.c: Change all refs to is_xyz[] arrays to use new
16092 (cpp_parse_expr): Avoid 'format string is not constant'
16093 warning. Use ISGRAPH to identify printable chars.
16094 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
16096 (read_and_prescan): Map trigraphs to chars with open-coded
16097 if-else-if-... sequence, not a lookup table.
16098 * cpphash.c: Change all refs to is_xyz[] arrays to use new
16100 * cpplib.c: Change all refs to is_xyz[] arrays to use new
16101 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
16102 (check_macro_name): Remove ability to report an invalid
16103 assertion name, which is never used.
16104 (do_line): Constify a couple of char *'s.
16105 * cppmain.c (main): Call cpp_cleanup before returning.
16107 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
16109 * ggc.h (struct ggc_statistics): New type.
16110 (ggc_get_size): New function.
16111 (ggc_print_statistics): Likewise.
16112 * ggc-common.c (ggc_stats): New variable.
16113 (ggc_mark_rtx_children): Keep statistics.
16114 (ggc_mark_tree_children): Likewise.
16115 (ggc_print_statistics): New function.
16116 * ggc-page.c (struct globals): Add bytes_mapped field.
16117 (alloc_anon): Update it.
16118 (release_pages): Likewise.
16119 (ggc_get_size): New function.
16120 (ggc_page_print_statistics): New function.
16121 * ggc-simple.c (ggc_get_size): New function.
16123 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
16125 * flow.c (propagate_block): When the last reference to a label
16126 before an ADDR_VEC is deleted because the reference is a dead
16127 store, delete the ADDR_VEC.
16129 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
16131 * resource.c (find_free_register): Don't use the frame pointer
16132 if frame_pointer_needed.
16134 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
16136 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
16137 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
16139 * config/i960/i960.c (i960_va_start): New locals base, num.
16140 Use INDIRECT_REF instead of ARRAY_REF on valist.
16141 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
16143 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
16145 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
16147 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
16149 * tree.def (PLACEHOLDER_EXPR): Update comments.
16151 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16153 * c-common.c (check_format_info): Avoid non-literal format string
16154 warnings when `first_arg_num' is zero.
16156 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16158 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
16160 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
16162 * arm.md (casesi_insn): Add a clobber of the condition code
16165 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
16167 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
16168 used by both cc1 and cc1plus.
16170 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
16172 * config/arm/arm.c: Initialise arm_structure_size_boundary to
16173 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
16174 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
16175 to the value 32 if it has not already been defined.
16176 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
16177 Override definition in arm.h with a value of 8.
16179 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
16181 * c-pragma.c (push_alignment): Don't check the return value
16184 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
16186 * sparc.h (ADJUST_COST): Fix thinko.
16188 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
16190 * cccp.c (rescan): Fixed obp pointer handling around call to
16191 check_expand subroutine.
16193 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
16195 * gcse.c (delete_null_pointer_checks): Only record non-null info
16196 for pseudos when examining stores.
16198 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
16199 splitters for these patterns. Use "#" for output templates.
16200 (addsi3_carryin_shift): New pattern.
16202 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
16204 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
16205 of the function return register into a plain REG until
16206 after function inlining is done.
16208 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
16210 * jump.c (jump_optimize_1): If we did cross-jumping, and
16211 the data will matter, rebuild the CFG.
16212 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
16213 not optimizing. Don't run shorten_branches.
16214 * toplev.c (rest_of_compilation): Run shorten_branches after
16217 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
16219 * rtl.h (note_stores): Add additional paramter.
16220 * rtlanal.c (reg_set_p_1): Take additional paramter.
16221 (reg_set_last_1): Likewise.
16222 (reg_set_p): Adjust call to note_stores.
16223 (reg_set_last): Likewise.
16224 (note_stores): Pass data parameter to worker function.
16225 * alias.c (record_set): Take additional parameter.
16226 (init_alias_analysis): Pass it.
16227 * caller-save.c (mark_set_regs): Take additional parameter.
16228 (save_call_clobbered_regs): Pass NULL to note_stores.
16229 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
16231 (record_dead_and_set_regs_1): Likewise.
16232 (reg_dead_at_p_1): Likewise.
16233 (combine_instructions): Adjust calls to note_stores.
16234 (try_combine): Likewise.
16235 (record_dead_insn): Remove.
16236 (record_dead_and_set_regs): Adjust calls to note_stores.
16237 (reg_dead_at_p): Likewise.
16238 * cse.c (invalidate_skipped_set): Take additional parameter.
16239 (cse_check_loop_start): Likewise.
16240 (cse_check_loop_start_value): Remove.
16241 (cse_set_around_loop): Adjust calls to note_stores.
16242 * flow.c (notice_stack_pointer_modification): Take additional
16243 parameter. Remove duplicate declaration.
16244 (record_volatile_insns): Adjust calls to note_stores.
16245 * gcse.c (record_set_info): Take additional parameter.
16246 (record_last_set_info): Likewise.
16247 (invalidate_nonnull_info): Likewise.
16248 (record_set_insn): Remove.
16249 (compute_sets): Adjust calls to note_stores.
16250 (last_set_insn): Remove.
16251 (compute_hash_table): Adjust calls to note_stores.
16252 (insert_insn_end_bb): Likewise.
16253 (delete_null_pointer_checks): Likewise.
16254 * global.c (mark_reg_store): Take additional parameter.
16255 (mark_reg_clobber): Likewise.
16256 (reg_becomes_live): Likewise.
16257 (global_conflicts): Adjust calls to note_stores.
16258 (build_insn_chain): Likewise.
16259 * integrate.c (note_modified_parmregs): Take additional parameter.
16260 (mark_stores): Likewise. Make it static.
16261 (save_for_inline_nocopy): Adjust calls to note_stores.
16262 (try_constants): Likewise.
16263 * integrate.h (mark_stores): Remove declaration.
16264 * jump.c (mark_modified_reg): Take additional parameter.
16265 (thread_jumps): Adjust calls to note_stores.
16266 * local-alloc.c (validate_equiv_mem_from_store): Take additional
16268 (no_equiv): Likewise.
16269 (reg_is_set): Likewise.
16270 (validate_equiv_mem): Adjust calls to note_stores.
16271 (update_equiv_regs): Likewise.
16272 (block_alloc): Likewise.
16273 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
16274 (note_addr_stored): Take additional parameter.
16275 (note_set_pseudo_multiple_uses): Likewise.
16276 (record_initial): Likewise.
16277 (prescan_loop): Adjust calls to note_stores.
16278 (strength_reduce): Likewise.
16279 (check_dbra_loop): Likewise.
16280 * regmove.c (flags_set_1): Take additional paramter.
16281 (mark_flags_life_zones): Adjust calls to note_stores.
16282 * reload1.c (mark_not_eliminable): Take additional parameter.
16283 (forget_old_reloads_1): Likewise.
16284 (reload_cse_invalidate_rtx): Likewise.
16285 (reload_cse_check_clobber): Likewise.
16286 (reload_combine_note_store): Likewise.
16287 (move2add_note_store): Likewise.
16288 (reload): Adjust calls to note_stores.
16289 (reload_as_needed): Likewise.
16290 (emit_reload_insns): Likewise.
16291 (reload_cse_regs_1): Likewise.
16292 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
16293 (reload_combine): Adjust calls to note_stores.
16294 * resource.c (update_live_status): Take additional paramter.
16295 (mark_target_live_regs): Adjust calls to note_stores.
16296 * stupid.c (find_clobbered_regs): Take additional parameter.
16297 (stupid_life_analysis): Adjust calls to note_stores.
16299 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
16301 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
16304 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
16307 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
16308 of the variable arm_structure_size_boundary.
16310 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
16312 * alias.c (init_alias_analysis): Allocate reg_known_value and
16313 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
16315 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
16316 * cse.c (cse_main): Call end_alias_analysis.
16317 * haifa-sched.c (schedule_insns): Likewise.
16318 * local-alloc. (update_equiv_regs): Likewise.
16319 * reload1.c (reload_cse_regs): Likewise.
16321 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16323 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
16324 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
16325 mapping from MASK_FPU.
16327 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
16329 * sparc.md (call): Don't bound structure return size to 0xfff.
16331 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
16333 * resource.c (mark_target_live_regs): Check that the target
16334 insn wasn't created after compute_bb_for_insn.
16336 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
16338 * ggc-page.c (poison_pages): Don't be overzealous.
16340 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
16342 * alias.c: Update comments for ADDRESS.
16343 (nonlocal_reference_p): Look inside the ADDRESS to determine if
16344 it is a local memory reference.
16346 * c-typeck.c (build_function_call): Check that the built-in
16347 function is of class BUILT_IN_NORMAL before trying to recongize
16348 it as BUILT_IN_ABS.
16349 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
16350 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
16352 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
16354 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
16356 (pre_gcse): Likewise.
16357 (hoist_expr_reaches_here_p): Likewise.
16358 (hoist_code): Likewise.
16359 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
16361 (pre_expr_reaches_here_p_work): ... here.
16362 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
16364 (expr_reaches_here_p_work): ... here.
16366 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
16368 * resource.c (find_basic_block): Delete.
16369 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
16370 (init_resource_info): Call compute_bb_for_insn.
16372 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
16374 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
16375 with already adjacent blocks, but no fallthru.
16376 (merge_blocks_move_successor_nojumps): Simplify.
16377 (debug_flow_info): New.
16379 * toplev.c (rest_of_compilation): Open jump1 dump file before
16380 jump and close after, as opposed to just using dump_rtl.
16382 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16384 * reload.h (earlyclobber_operand_p): Declare.
16385 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
16386 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
16387 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
16388 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
16390 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
16391 Richard Henderson <rth@cygnus.com>
16393 * emit-rtl.c (emit_block_insn_before): New.
16394 (emit_block_insn_after): New.
16395 * basic-block.h: Declare them.
16397 * bitmap.h: Protect from multiple inclusion.
16399 * recog.c (scratch_operand): Handle VOIDmode correctly.
16401 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
16403 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
16404 * function.c (assign_parms): Likewise.
16405 * global.c (global_conflicts): Clarify STACK_REGS commentary.
16407 * reg-stack.c (max_uid): Remove.
16408 (blocks, block_begin, block_end, block_drops_in): Remove.
16409 (block_stack_in, block_out_reg_set, block_number): Remove.
16410 (struct block_info_def, BLOCK_INFO): New.
16411 (enum emit_where): New.
16412 (current_block): New.
16413 (BLOCK_NUM): Remove.
16414 (mark_regs_pat, record_label_references): Remove.
16415 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
16417 (goto_block_pat, print_blocks, dump_stack_info): Remove.
16418 (reg_to_stack): Simplified test for existance of fp code. Use
16419 flow.c code. Call shorten_branches after cross-jump opt.
16420 (check_asm_stack_operands): Renamed from record_asm_reg_life.
16421 Return false if the asm doesn't use stack regs. Don't do life
16422 analysis on the asm.
16423 (emit_pop_insn): Replace function pointer arg `when' with
16424 enum `where'. Update all callers.
16425 (change_stack): Likewise. Update basic block end.
16426 (emit_swap_insn): Use current_block->head to limit reverse search
16427 for start of block. Use emit_block_insn_after.
16428 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
16429 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
16430 structure assignment instead of bcopy.
16431 (print_stack): New.
16432 (convert_regs_entry, convert_regs_exit): New.
16433 (convert_regs_1, convert_regs_2): Split out from convert_regs.
16434 Work on basic blocks and the CFG.
16435 (convert_regs): Use them.
16437 * i386.c (output_fix_trunc): Remove code for DImode input operand
16438 not at top-of-stack.
16439 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
16441 (fix_truncdi_1): Allow any mode scratch.
16443 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
16445 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
16446 * linux.h, netbsd.h, vms.h: Not here.
16448 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
16450 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
16451 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
16452 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
16453 CONDITIONAL_REGISTER_USEAGE): Use them.
16454 * config/mips/mips.c (mips_move_1word,mips_move_2words,
16455 gen_conditional_branch,override_options) : Use them.
16456 * config/mips/mips.md : Use them.
16458 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
16460 * i386.md (zero_extendqihi2): Use SImode register name with andl.
16462 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
16464 * integrate.c (function_cannot_inline_p): Don't allow inlining
16467 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16469 * c-parse.in (cast_expr): Constify.
16471 * cccp.c (special_symbol): Likewise.
16473 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
16475 * dwarf2out.c (base_type_die): Likewise.
16477 * global.c (allocno_compare): Likewise.
16479 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
16481 * regclass.c (fix_register): Likewise.
16483 * rtl.h (fix_register): Likewise.
16485 * stupid.c (stupid_reg_compare): Likewise.
16487 * toplev.c (decode_f_option): Likewise.
16489 * tree.c (build_complex_type): Likewise.
16491 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
16493 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
16495 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16497 * reload.c (find_reloads): Compute mode and nregs fields of all
16499 * reload1.c (calculate_needs_all_insns): Simplify a bit.
16500 (calculate_needs): Use precomputed mode/nregs values.
16501 (allocate_reload_reg): Likewise.
16503 (failed_reload, set_reload_reg): ... new functions.
16504 (choose_reload_regs_init): New function, mostly broken out from...
16505 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
16506 Also lose one #if 0 block.
16508 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
16510 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
16513 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
16515 * tree.h (BLOCK_TYPE_TAGS): Remove.
16516 (BLOCK_END_NOTE): Likewise.
16517 (BLOCK_LIVE_RANGE_FLAG): Likewise.
16518 (BLOCK_LIVE_RANGE_START): Likewise.
16519 (BLOCK_LIVE_RANGE_END): Likewise.
16520 (tree_block): Remove live_range_flag, live_range_var_flag, and
16521 type_tags. Remove end_note, live_range_start, and live_range_end.
16522 (remember_end_note): Remove prototype.
16523 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
16524 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
16526 * ggc-common.c (ggc_mark_tree_children): Don't mark
16527 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
16528 * integrate.c (adjust_copied_decl_tree): Remove.
16529 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
16530 * stmt.c (last_block_end_note): Remove.
16531 (init_stmt): Don't add a GC root for it.
16532 (expand_fixup): Don't set it.
16533 (remember_end_note): Remove.
16534 (expand_end_bindings): Don't set last_block_end_note.
16536 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16538 * reload1.c (reload_reg_free_for_value_p): Show
16539 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
16542 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
16544 * expmed.c (extract_bit_field): Allow for the case of non-integer
16545 objects that are smaller than a word (like SFmode on a 64-bit
16548 * loop.c (basic_induction_var): A non-integer variable which is
16549 being set by a paradoxical subreg is probably not a biv.
16551 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16553 * prefix.c (translate_name) Check for empty prefix string.
16555 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
16557 * Makefile.in (CPP_CROSS_NAME): New variable.
16558 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
16560 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
16561 names of the files to be uninstalled.
16563 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
16565 * collect2.c (IS_DIR_SEPARATOR): Define.
16566 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
16568 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
16571 * haifa-sched.c (add_dependence): Update the true dependency
16572 cache the first time we add a true dependence to the LOG_LINKS chain.
16574 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
16576 * fold-const.c (fold): Fix comment.
16578 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16580 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
16581 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
16582 dbxout_start_new_source_file, dbxout_source_file,
16583 dbxout_source_line, dbxout_finish, dbxout_type_fields,
16584 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
16586 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
16587 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
16588 (dbxout_block): Initialize variable `blocknum'.
16590 * dbxout.h (dbxout_init, dbxout_finish,
16591 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
16592 dbxout_args, dbxout_source_line): Constify a char*.
16594 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
16595 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
16596 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
16597 low_pc_attribute, high_pc_attribute, body_begin_attribute,
16598 body_end_attribute, comp_dir_attribute, sf_names_attribute,
16599 src_info_attribute, mac_info_attribute, producer_attribute,
16600 lookup_filename, generate_macinfo_entry, fundamental_type_code,
16601 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
16602 dwarfout_undef): Constify a char*.
16603 (add_incomplete_type, retry_incomplete_types): Add prototypes.
16605 * dwarfout.h (dwarfout_define, dwarfout_undef,
16606 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
16608 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
16610 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
16611 (MULTILIB_ISA_DEFAULT): New.
16612 (MULTILIB_DEFAULTS): Use it.
16613 * config/mips/mips.c (): Remove the now unnecessary definition
16614 of MIPS_ISA_DEFAULT.
16615 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
16616 unnecessary definition.
16618 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
16620 * arm.md (pic_load_addr): Add constraints to operand 1.
16622 1999-10-25 Bruce Korb <autogen@linuxbox.com>
16624 * fixinc/genfixes: Provide a means for specifying -D options to
16627 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
16629 * arm.c (arm_override_options): Correct initialization of
16630 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
16631 arm_is_strong, and arm_is_6_or_7.
16633 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
16634 (note_set_pseudo_multiple_uses): New function.
16635 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
16636 if a pseudo set in the loop exit is used elsewhere.
16638 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
16640 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
16642 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
16644 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
16645 a single load-address pattern.
16647 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
16649 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
16650 depending on whether or not line-number notes are present.
16652 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16654 * cccp.c (progname, file_buf, default_include, include_file,
16655 macrodef, definition, hashval, wchar_type, user_label_prefix,
16656 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
16657 expand_to_temp_buffer, is_system_include, base_name,
16658 absolute_filename, read_name_map, open_include_file,
16659 record_control_macro, check_precompiled, check_preconditions,
16660 pcfinclude, pass_thru_directive, create_definition,
16661 check_macro_name, comp_def_part, collect_expansion,
16662 check_assertion, read_token_list, assertion_install,
16663 assertion_lookup, eval_if_expression, conditional_skip,
16664 validate_else, skip_quoted_string, quote_string, macarg1,
16665 error_from_errno, install, lookup, hashf, dump_defn_1,
16666 perror_with_name, pfatal_with_name, main, trigraph_pcp,
16667 check_white_space, rescan, handle_directive, monthnames,
16668 special_symbol, do_include, remap_include_file, write_output,
16669 arglist, do_assert, do_unassert, do_line, do_error, do_once,
16670 do_ident, do_sccs, do_xifdef, skip_if_group,
16671 output_line_directive, macroexpand, macarg, change_newlines,
16672 initialize_builtins, make_definition): Constify a char*.
16674 * pcp.h (stringdef): Likewise.
16676 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
16678 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
16681 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
16682 Richard Henderson <rth@cygnus.com>
16684 * alias.c: Include ggc.h.
16685 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
16686 (record_set): Verify enough room in reg_base_value.
16687 (init_alias_analysis): Allocate reg_base_value with xcalloc.
16688 Register it as a GC root.
16689 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
16690 * Makefile.in (alias.o): Depend on ggc.h.
16692 * unroll.c (unroll_loop): Verify the insn before a barrier
16693 is a JUMP_INSN before checking JUMP_LABEL.
16695 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16697 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
16698 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
16699 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
16700 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
16701 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
16702 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
16704 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16706 * output.h (ctors_section, dtors_section, bss_section): Prototype.
16708 * alpha/alpha-interix.h (text_section): Delete prototype.
16709 * alpha/elf.h (text_section): Likewise.
16710 * arm/linux-elf.h (text_section): Likewise.
16711 * arm/linux-telf.h (text_section): Likewise.
16712 * c4x/c4x.h (text_section): Likewise.
16713 * dsp16xx/dsp16xx.h (bss_section): Likewise.
16714 * elfos.h (text_section): Likewise.
16715 * i386/aix386ng.h (text_section): Likewise.
16716 * i386/i386-interix.h (text_section): Likewise.
16717 * i386/sco5.h (text_section): Likewise.
16718 * i386/svr3gas.h (text_section): Likewise.
16719 * nextstep.h (text_section): Likewise.
16720 * psos.h (text_section): Likewise.
16721 * ptx4.h (text_section): Likewise.
16722 * svr3.h (text_section): Likewise.
16723 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
16725 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16727 * final.c (peephole): Delete prototype.
16729 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
16730 (pre_insert_copies): Remove unused variable `bb'.
16732 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
16735 * output.h (peephole): Add prototype.
16737 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
16739 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
16742 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
16744 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
16745 for inlined declarations.
16747 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
16749 * arm.c (logical_binary_operator): New fucntion.
16750 * arm.h (logical_binary_operator): Declare it.
16751 (PREDICATE_CODES): Handle logical_binary_operator.
16752 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
16753 output constraints. Add appropriate splitters.
16754 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
16755 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
16756 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
16758 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16760 * genoutput.c (struct operand_data): New elt eliminable.
16761 (output_operand_data): Write it.
16762 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
16763 (compare_operands): Take it into account.
16764 * recog.h (struct insn_operand_data): New elt eliminable.
16765 * reload1.c (check_eliminable_occurrences, elimination_effects): New
16767 (old_asm_operands_vec, new_asm_operands_vec): Delete.
16768 (eliminate_regs): Move code that detects changes to elimination
16769 target regs into new function elimination_effects.
16770 Delete one #if 0 block.
16771 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
16772 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
16773 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
16774 Only call eliminate_regs for real operands of the insn, not for parts
16775 of its structure or parts matched by things like match_operator.
16776 Use elimination_effects and check_eliminable_occurrences. Use
16777 copy_insn to duplicate the pattern when not in the final pass.
16779 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
16781 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
16784 1999-10-22 Bruce Korb <autogen@linuxbox.com>
16786 * fixinc/README: document the "mach" machine matching test
16787 * fixinc/fixfixes.c: Implement the #else/#endif label fix
16788 * fixinc/fixtests.c: Implement the #else/#endif label test
16789 * fixinc/inclhack.def: utilize these tests and fixes
16790 * fixinc/inclhack.sh: regen
16791 * fixinc/fixincl.x: regen
16792 * fixinc/fixincl.sh: regen
16794 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
16796 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
16799 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
16801 * gcc.1: Document exit codes.
16803 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16805 * calls.c: Include tm_p.h later, so everything we need is defined.
16806 * expr.c: Likewise.
16807 * function.c: Likewise.
16809 * except.c: Include tm_p.h.
16811 * sparc.c: Likewise.
16812 (dwarf2out_cfi_label): Don't prototype.
16813 (check_return_regs, epilogue_renumber,
16814 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
16815 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
16816 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
16817 ultra_schedule_insn): Add static prototype.
16818 (data_segment_operand, text_segment_operand): Call itself with the
16819 proper number of arguments.
16820 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
16822 * sparc.h: Move all declarations to sparc-protos.h.
16823 (SELECT_RTX_SECTION): Pass a missing MODE argument to
16826 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
16828 * config/svr4.h (text_section, ctors_section, dtors_section): Add
16830 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
16831 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
16832 ASM_OUTPUT_ASCII): Constify a char*.
16834 * sparc-protos.h: New file for sparc prototypes.
16836 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16838 * function.c (record_insns, contains): Always declare and define.
16839 (record_insns): Mark with ATTRIBUTE_UNUSED.
16841 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
16843 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
16844 to .section when outputting a .bss section to deal with multiple
16845 .bss input sections (as happens with -fdata-sections)
16846 Also output %progbits, not @progbits so the assembler doesn't treat as
16848 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
16850 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
16851 thumb parts even when building with non-thumb CPUs, by forcing
16854 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
16856 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
16857 (movdf_const_intreg_sp64): Similarly.
16859 * local-alloc.c (update_equiv_regs): Check the correct insn
16860 for pre-existing REG_EQUIV notes.
16862 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
16864 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
16865 block reached by a branch if we're not going to actually process
16868 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
16870 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
16871 a local extern function declaration.
16873 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
16875 * i386.c (ix86_expand_prologue): Properly wrap USE around
16876 reg for CALL_INSN_FUNCTION_USAGE.
16878 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
16880 * config/mips/mips.md (movdf_internal1a): Allow floating-point
16881 move between GP_REGs.
16883 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
16885 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
16886 the mode size when finding out if an offset is legal.
16888 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
16890 * basic-block.h (PROP_*): Move constants from ...
16891 * flow.c: ... here.
16892 (compute_bb_for_insn): Free the array before reallocating.
16893 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
16894 (allocate_reg_life_data): Reset all reg variables collected by
16896 (get_block_head_tail): Don't convert from bb to block.
16897 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
16898 (find_insn_reg_weight): Take block not bb.
16899 (schedule_block): Don't set block num for moved insns.
16900 (schedule_region): Don't update_life_info or find_insn_reg_weight.
16901 (schedule_insns): Do it here instead.
16902 * combine.c (combine_instructions): Invoke compute_bb_for_insn
16903 before update_life_info.
16904 * recog.c (split_all_insns, peephole2_optimize): Update for
16905 new arg to update_life_info.
16906 * rtlanal.c (remove_note): Cope with NULL note.
16907 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
16910 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
16912 * jump.c (jump_optimize_1): More accurately detect casesi insns.
16914 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
16915 block records so that merge_blocks_nomove will clean up correctly.
16916 (split_edge): Handle casesi insns.
16918 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
16920 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
16922 * pa.md (call, call_value): Do not emit a blockage after restoring
16925 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
16927 * c-typeck.c (c_expand_asm_operands): Fix typo.
16929 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16931 * arm.c (fpu_rhs_operand): Verify modes.
16932 (fpu_add_operand): Likewise.
16933 (di_operand): Likewise.
16934 (soft_df_operand): Likewise.
16936 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
16938 * arm.c (arm_return_in_memory): APCS rules state that the elements
16939 of a structure returned in a register must be 'integer-like'.
16941 1999-10-19 Bruce Korb <autogen@linuxbox.com>
16943 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
16944 in the source tree when the generated targets are out of date
16945 * fixinc/genfixes: Alter it to run individual fixes for make.
16946 * fixinc/README: rewrite
16947 * fixinc/inclhack.def: moved initial comments to README
16949 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
16951 * toplev.c (main): Do not generate an error message if an
16952 unrecognised command line switch is recognisable by another
16953 language. If extra_warnings are enabled, then generate a
16954 warning message instead.
16956 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
16958 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
16959 (insert_pack_attributes): Delete prototype.
16961 * c-pragma.c (default_alignment): New static variable.
16962 (push_alignment): Initialize to current effective alignment.
16963 (pop_alignment): Use to set new alignment.
16964 (insert_pack_attributes): Delete function.
16965 (handle_pragma_token): Set default_alignment as well each time
16966 a #pragma pack(<n>) is encountered.
16968 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
16970 * reg-stack.c (stack_result): Aggregates are not returned in
16973 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
16975 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
16977 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
16979 * basic-block.h (set_block_num): Declare.
16980 * flow.c (update_life_info): Don't call compute_bb_for_insn
16981 or free_basic_block_vars.
16982 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
16983 (insn_orig_block): Remove.
16984 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
16985 (schedule_block): Keep BLOCK_NUM up-to-date.
16986 (schedule_insns): Use compute_bb_for_insn.
16987 * recog.c (split_all_insns): Likewise.
16988 (peephole2_optimize): Likewise.
16990 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
16992 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
16993 if the pic register is used.
16995 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16997 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
16998 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
16999 if that tests TREE_PERMANENT.
17001 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
17003 * cse.c (invalidate_for_call): Do not remove memory references from
17004 the table here. It's handled elsewhere.
17006 * haifa-sched.c (add_dependence): Protect references to the
17007 true dependency cache with #ifdef INSN_SCHEDULING.
17008 (remove_dependence): Similarly.
17010 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
17011 to the cfg code that this is a return instruction.
17012 * mn10300.md (return_internal): Similarly.
17014 * combine.c (get_last_value): If the last set of a register
17015 is after subst_low_cuid, then we can not use it to determine
17016 the register's last value.
17018 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
17020 * Makefile.in: Back out previous change.
17022 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
17024 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
17026 * haifa-sched.c (add_dependence): Only check/update the cache
17028 (remove_dependence): Likewise.
17029 (schedule_insns): Only create the true_dependency_cache if the
17030 average number of instructions in a basic block is very large.
17032 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
17034 * Makefile.in (ggc-common.o): Depend on genrtl.h.
17035 (ggc-simple.o): Likewise.
17036 (ggc-page.o): Likewise.
17038 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
17040 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
17041 Prototype for exported functions.
17042 (pre_lcm, pre_rev_lcm): Remove prototypes.
17043 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
17044 (compute_available): Move to lcm.c, and change parameter order.
17045 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
17046 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
17047 (gcse_main): No longer call compute_preds_succs. Rebuild the
17048 set table after reach pre pass.
17049 (pre_insert_map, pre_delete_map, edge_list): New.
17050 (alloc_pre_mem): Allocate edge vectors.
17051 (free_pre_mem): Delete edge vectors.
17052 (compute_pre_data): Call new edge based lcm routines.
17053 (process_insert_insn): New function.
17054 (insert_insn_end_bb): Use it.
17055 (pre_edge_insert): New function.
17056 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
17058 (pre_insert_copies): Revamp using new edge based lcm outputs.
17059 (pre_delete): Likewise.
17060 (one_pre_gcse_pass): Insert & remove fake edges to the exit
17062 (compute_code_hoist_vbeinout): New new edge based routines.
17063 * lcm.c: Remove all the old LCM functions. Replace with new ones
17064 that work with the new cfg datastructures and work with edges
17067 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17069 * reload.h (struct reload): Add new fields "mode" and "nregs".
17070 * reload1.c: Change all occurrences of reload_mode and reload_nregs
17071 to reference the "mode" and "nregs" field within struct reload.
17073 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
17075 * haifa-sched.c (true_dependency_cache): New.
17076 (add_dependence): Use the true dependency cache to avoid expensive
17077 walks down the LOG_LINKS dependency list. Add entries to the
17078 cache as necessary.
17079 (remove_dependence): Remove entries from the true dependency cache
17081 (schedule_insns): Allocate and initialize and free the true
17084 * haifa-sched.c (schedule_insns): Do not remove inter-block
17085 dependencies anymore.
17087 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
17089 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
17090 * i386/t-winnt: Likewise.
17092 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
17094 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
17096 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
17098 * Makefile.in (LANGUAGES): Omit "proto".
17099 (clean): Remove stale comment about removing unprotoize.c.
17101 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17103 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
17104 using arithmetic on void pointers.
17106 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
17108 * haifa-sched.c (compute_block_forward_dependencies): Only check
17109 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
17111 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
17113 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
17114 (expr_equiv_p): Reject memories with different alias sets.
17116 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
17118 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
17119 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
17120 (f_options): Add "bounded-pointers" and "bounds-check" entries.
17121 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
17122 (lang_init): Set default for flag_bounds_check if still "unspecified".
17124 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17126 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
17128 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17130 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
17133 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17135 * config/c4x/c4x.md (*db_noclobber,
17136 *decrement_and_branch_until_zero_noclobber): New patterns and
17137 associated splitters.
17139 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17141 * config/c4x/c4x.md (parallel instruction patterns): Rework
17142 constraints to keep reload happy.
17144 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17146 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
17147 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
17148 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
17149 Add new patterns and associated post-reload splitters.
17151 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17153 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
17155 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17157 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
17159 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
17161 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17163 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
17166 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
17168 * pa.c (move_operand): Rely on memory_address_p to determine the
17169 validity of non-indexed memory addresses.
17170 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
17171 operand in DFmode and SFmode when generating PA2.0 code.
17173 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
17175 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
17177 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
17179 * mips.c (function_prologue): Fix argument types.
17180 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
17181 (casesi_internal): Write to the scratch register.
17183 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
17185 * cppexp.c (cpp_parse_escape): Make static. Change second arg
17187 (parse_charconst): Delete unnecessary cast when calling
17189 (cpplib.h): Kill prototype of cpp_parse_escape.
17191 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
17193 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
17194 * unroll.c (unroll_loop): Cast return value of alloca.
17195 * i370/i370.c: Include function.h and toplev.h.
17196 (i370_label_scan): Remove c++ commented abort.
17197 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
17198 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
17199 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
17200 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
17202 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
17204 * config/t-freebsd: Do not override USER_H.
17205 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
17207 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
17208 Mumit Khan <khan@xraylith.wisc.edu>
17210 * c-parse.in (component_decl): Support anonymous struct/union.
17212 * c-parse.y: Regenerate.
17213 * c-parse.c: Likewise.
17214 * objc/objc-parse.y: Likewise.
17215 * objc/objc-parse.c: Likewise.
17216 * c-decl.c (finish_struct): Don't sort the fields.
17217 (field_decl_cmp): Delete unused function.
17219 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
17221 * sparc.md (movsf_const_intreg): Revert last constraint change.
17222 (movdf_const_intreg_sp32): Likewise.
17224 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
17226 * cse.c: Include hashtab.h instead of splay-tree.h
17227 (struct cse_reg_info): No longer use variant union. Add new
17228 field "regno". All references changed to avoid union.
17229 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
17230 (free_cse_reg_info): Remove.
17231 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
17232 (get_cse_reg_info): Revamp to use expandable hash tables instead
17233 of splay trees. Initialize new fields in cse_reg_info structure.
17234 (new_basic_block): Similarly.
17236 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
17238 * genrecog.c (message_with_line): Prototype.
17239 (validate_pattern): Pass along the set for the dest, not a flag.
17240 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
17241 Check for PC/CC0 as sources.
17242 (nodes_identical): Check for children position match before
17243 allowing the combination.
17245 * rtl.c (read_rtx): Track line number across \\\n.
17247 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
17249 * mips.h (SPECIAL_MODE_PREDICATES): New.
17250 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
17251 (movdi+1, movsi+1): Add output reload constraint.
17252 (casesi_internal): Likewise. Fix commentary.
17253 (return_internal): Use pmode_register_operand.
17255 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
17257 * 1750a.md (movstrqi): Add missing output reload constraint.
17258 (call_value): Likewise.
17259 * a29k.md (cpxxx patterns): Add missing match_operator mode.
17260 (jmpfdec): Add missing inout reload constraint.
17261 * elxsi.md (addsi patterns): Add missing output reload constraint.
17262 (move from sp): Use @ alternates.
17263 (call_value): No constraint on output.
17264 * fr30.md (movsi_pop): Add missing output reload constraint.
17265 (movsf_constant_store): Likewise.
17266 (splits): Remove constraints.
17267 (subsi3): Add missing mode.
17268 * i370.md (cmpstrsi+1): Add missing output reload constraint.
17269 (call_value): Likewise.
17270 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
17271 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
17272 * m32r.md (movsicc_internal): Add output reload constraint.
17273 (movstrsi_internal): Add inout reload constraints.
17274 * m88k.h (reg_names): Don't declare.
17275 (SPECIAL_MODE_PREDICATES): New.
17276 * m88k.md (*): Use register_operand not reg_or_0_operand
17278 * mn10200.h (PREDICATE_CODES): New.
17279 * ns32k.md (ffs pattern): Add output reload constraint.
17280 * pdp11.md (sob pattern): Add inout reload constraint.
17281 * sh.md (splits): Remove constraints.
17282 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
17283 * v850.md (pattern_is_ok_for_epilogue): Likewise.
17284 * vax.md (jgequ pattern): Add inout reload constraint.
17286 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
17288 * configure.in (djgpp): Revert previous patch.
17289 * configure: Rebuit.
17290 * config/i386/djgpp.h: Revert previous patch.
17292 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
17294 * fixinc/inclhack.def: Restore patch lost during last merge of
17295 "no_bogosity" branch.
17296 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
17298 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
17300 * fixincludes: Add a HPUX 11 fix for inttypes.h.
17301 * fixinc/inclhack.def: Same.
17302 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
17304 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
17306 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
17307 as the base of a PLUS.
17309 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17311 * config/c4x/c4x.md: Define mode for remaining unspec operators.
17312 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
17314 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
17316 * pa.md (post_stw+1): Use pmode_register_operand.
17317 (dcacheflush, icacheflush): Likewise.
17319 * i386.md (movstricthi_1): Allow r/r.
17321 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
17323 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
17324 to (not (and (arg0) (arg1))). Similary for and.
17326 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
17327 fallthrough to associate code.
17328 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
17331 * combine.c (simplify_logical): Convert XOR to IOR if operands have
17332 no bits in common; remove XOR to ROTATE conversion.
17334 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17336 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
17338 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17340 * config/c4x/c4x.c (dst_operand): New.
17341 (PREDICATE_CODES): Update.
17342 * config/c4x/c4x.h (dst_operand): Declare it.
17343 * config/c4x/c4x.md: Define mode for each unspec usage.
17344 (move patterns): Use dst_operand predicate instead of src_operand.
17345 (movqi_update, movqf_update): Delete.
17347 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
17349 * recog.c (pmode_register_operand): New.
17350 * recog.h: Declare it.
17351 * genrecog.c (pred_codes): Likewise.
17352 (special_mode_pred_table): Likewise.
17353 (validate_pattern): Don't warn no mode for address_operand.
17355 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
17356 if the operand is not insn-like.
17358 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
17359 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
17361 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
17363 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
17365 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
17366 instead of general_operand in a SET_DEST. Use const_double_operand
17367 instead of an explicit test against CONST_DOUBLE.
17368 (movsf_const_lo): Add missing register mode.
17369 (goto_handler_and_restore): Add auxiliary test for Pmode.
17370 (flush): Adjust to use address_operand.
17371 (return_sf_no_fpu): Add missing output constraint.
17373 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
17375 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
17376 for call return value.
17377 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
17379 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
17381 * toplev.c (main): Only warn about options for other languages.
17382 * collect2.c (main): Pass -w to sub-gcc.
17384 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
17386 * flow.c (propagate_block): Add call-clobbered registers to
17389 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
17390 zapping mem_set_list.
17391 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
17392 (mark_set_1, mark_used_regs): Likewise.
17394 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
17396 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
17398 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17400 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
17401 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
17402 options. Also add a new item "C-only Warning Options" to the
17405 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
17407 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
17408 from multiple calls.
17410 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
17412 * i386.md (call value patterns): Move to the end of the file.
17413 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
17415 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
17417 * configure.in (djgpp configuration): Define extra_objects..
17418 * configure: Rebuilt.
17419 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
17420 (DTORS_SECTION_ASM_OP): Define.
17421 (INIT_SECTION_ASM_OP): Define.
17422 (FINI_SECTION_ASM_OP): Define.
17423 (DATA_SECTION_ASM_OP): Define.
17424 (TEXT_SECTION_ASM_OP): Define.
17425 (EH_FRAME_SECTION_ASM_OP): Define.
17426 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
17427 (STARTFILE_SPEC): Add crtbegin.o.
17428 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
17429 to here from LINK_COMMAND_SPEC.
17430 (DO_GLOBAL_CTORS_BODY): Define.
17431 (CRTSTUFF_USE_FINI_SECTION): Define
17432 (HAS_INIT_SECTION): Delete.
17434 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
17436 * Makefile.in (all.cross): Depend on xcpp$(exeext).
17438 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
17440 * pa.h (PREDICATE_CODES): New.
17442 * genrecog.c (validate_pattern): Condense the destination
17443 non-lvalue message.
17445 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
17447 * alpha.md (call-1): Supply missing mode for operator.
17448 (*): Add missing output reload constraints. Remove constraints
17449 from define_splits.
17451 * i386.h (SPECIAL_MODE_PREDICATES): New.
17452 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
17453 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
17454 (addsi_lea_3): Add missing mode for op 3.
17455 (prologue_set_got, prologue_get_pc): Add missing modes.
17456 (*) Add missing output reload constraints.
17458 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
17460 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
17461 check for member bit-size overflow and use var_size if it occurs.
17462 (layout_record): Use bitsize_int() to define the type size in bits.
17463 Likewise for computation and assignment to DECL_FIELD_BITPOS.
17464 (layout_decl): Likewise when assigning to DECL_SIZE.
17466 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
17468 * genrecog.c (validate_pattern): Typo last change. Verify
17469 that output operands have output reloads.
17471 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
17473 * genrecog.c (special_mode_pred_table): New.
17474 (NUM_SPECIAL_MODE_PREDS): New.
17475 (find_operand): New.
17476 (validate_pattern): New argument `insn'. Warn for assignment to
17477 any predicate accepting non-lvalues. Conditionaly warn for
17478 match_operand without a mode. Try much harder to match source
17479 and destination modes on a set.
17480 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
17482 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
17484 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
17486 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
17488 * combine.c (simplify_logical): Recognize xor pattern that encodes
17491 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17493 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
17496 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
17498 * ggc-page.c (MAP_FAILED): Provide default.
17500 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
17502 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
17503 * sparc.h (PREDICATE_CODES): Update.
17505 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
17507 * alpha.c (some_ni_operand): New.
17508 * alpha-protos.h: Declare it.
17509 * alpha.h (PREDICATE_CODES): Update.
17510 * alpha.md (sXaddq reload insns): Use some_ni_operand
17511 for SET_DEST instead of some_operand.
17513 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
17514 Jim Wilson <wilson@cygnus.com>
17516 * genrecog.c (maybe_both_true_2): Don't compare modes of
17518 (process_tree): Elide peephole2_insns. Invoke simplify_tests
17519 after find_afterward.
17520 (debug_decision_1): Dump next and afterward codes.
17522 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
17524 * rtl.c (dump_and_abort): Remove.
17525 (fatal_with_file_and_line): New.
17526 (fatal_expected_char): New.
17527 (read_rtx_lineno, read_rtx_filename): New.
17528 (read_skip_spaces): Track line number.
17529 (read_name): Use fatal_with_file_and_line.
17530 (read_rtx): Use fatal_expected_char. Track line number.
17531 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
17533 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
17534 if it isn't a CODE_LABEL.
17536 * genattr.c (main): Set read_rtx_filename.
17537 * genattrtab.c (main): Likewise.
17538 * gencodes.c (main): Likewise.
17539 * genconfig.c (main): Likewise.
17540 * genemit.c (main): Likewise.
17541 * genextract.c (main): Likewise.
17542 * genflags.c (main): Likewise.
17543 * genopinit.c (main): Likewise.
17544 * genoutput.c (main): Likewise.
17545 * genpeep.c (main): Likewise.
17547 * genrecog.c (decision_test.u.insn): Add `lineno'.
17548 (pattern_lineno, error_count): New variables.
17549 (message_with_line): New.
17550 (add_to_sequence): Break out checking code to ...
17551 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
17552 (merge_insn): Use message_with_line.
17553 (make_insn_sequence): Use validate_pattern. Record insn lineno.
17554 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
17556 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17558 * expr.c (store_constructor): Clear union if constructor is empty.
17560 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
17562 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
17563 Add !endian checks. Change %{...} to %(...).
17565 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
17567 * i386.md (*addsi3_cc): Renamed from addcsi3.
17568 (*addsi3_carry): Renamed from addxsi3.
17569 (*subsi3_cc): Renamed from subcsi3.
17570 (*subsi3_carry): Renamed from subxsi3.
17571 (*xorqi_cc_1): Renamed from xorcqi_1.
17572 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
17573 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
17575 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
17577 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
17578 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
17580 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
17582 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
17583 climb up the chain of insns.
17585 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
17587 * genrecog.c (write_subroutine): Careful for null trees.
17588 (process_tree): Don't elide empty functions.
17590 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
17592 * Makefile.in (genrtl.o): Depend on ggc.h.
17593 * configure.in (valloc): Probe for it.
17594 (with-gc): Use ggc-page if valloc present.
17595 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
17596 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
17597 (ggc_alloc_string): Moved from ggc-page.c.
17598 * ggc-none.c (ggc_alloc_obj): New.
17599 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
17600 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
17601 (struct globals): Likewise for dev_zero_fd.
17602 (init_ggc): Likewise for it's initialization.
17603 (ggc_allocated_p): Move careful dereference from ...
17604 (ggc_lookup_page_table): ... here. Delete.
17605 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
17606 (alloc_anon): Use valloc if no mmap.
17607 (release_pages): Use free if using valloc.
17608 (ggc_alloc_obj): Renamed from alloc_obj.
17609 (ggc_set_mark): Renamed from mark_obj.
17610 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
17611 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
17612 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
17613 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
17614 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
17615 (ggc_collect): Use fp printing instead of our own rounding.
17616 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
17617 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
17618 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
17619 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
17620 (struct ggc_string, struct ggc_any): Delete.
17621 (offsetof): Provide default definition.
17622 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
17624 (struct ggc_mem): New, from corpse of ggc_any.
17625 (struct ggc_status): Delete.
17626 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
17627 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
17628 (n_strings_collected, n_anys_collected): Delete.
17629 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
17630 (ggc_alloc_string, ggc_alloc): Delete.
17631 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
17632 (ggc_free_string, ggc_free_any): Delete.
17633 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
17634 (ggc_compare_addresses, ggc_mark_string): Delete.
17635 (ggc_mark_string_if_gcable, ggc_mark): Delete.
17636 (search_data): Delete.
17637 (struct globals): New.
17638 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
17639 (tree_insert, tree_lookup): New.
17640 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
17641 (clear_marks, sweep_objs): New.
17642 (ggc_collect): Gut. Use clear_marks, sweep_objs.
17643 (init_ggc): Set allocated_last_gc.
17644 (ggc_push_context): Gut. Use G.context.
17645 (ggc_pop_context): Likewise.
17646 (ggc_pop_context_1): New.
17647 (debug_ggc_tree): New.
17648 (debug_ggc_balance, tally_leaves): New.
17649 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
17650 (ggc_mark_string_if_gcable): Remove decl.
17651 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
17652 (ggc_mark_rtvec_children): New.
17653 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
17654 (ggc_mark_if_gcable): New decl.
17655 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
17656 (ggc_alloc_tree, ggc_alloc): Likewise.
17657 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
17658 (ggc_alloc_obj): New decl.
17659 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
17660 (ggc_alloc_tree, ggc_alloc): Likewise.
17661 (ggc_set_mark): New decl.
17662 * rtl.h (struct rtx_def): Remove gc_mark.
17663 (struct rtvec_def): Likewise.
17664 * tree.h (struct tree_common): Likewise.
17666 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
17668 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
17669 float_format and thread_file definitions.
17670 * configure: Rebuilt.
17672 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
17674 * extend.texi (Function Names): Document types of function names.
17676 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17678 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
17679 an earlyclobbered output conflict with RELOAD_INPUT reloads.
17681 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17683 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
17685 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17687 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
17689 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
17691 * collect2.c (main): Do prelimnary link on AIX if rflag.
17693 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17695 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
17696 __CTOR_LIST__ in opposite order, which is the correct order for sorted
17698 (__do_global_dtors): similarly for __DTOR_LIST__.
17700 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17701 Diego Novillo <dnovillo@cygnus.com>
17703 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
17706 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
17708 * fixincl/*: Merged "no_bogosity" branch
17709 * fixincl/fixlib.h: protect against doubly defining t_bool
17710 * fixincl/server.h: protect against doubly defining t_bool
17712 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
17714 * genoutput.c: Include toplev.h.
17716 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
17718 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
17720 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
17721 * configure: Regenerate.
17723 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
17725 * gcse.c (delete_null_pointer_checks): Returns void.
17727 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17729 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
17730 * emit-rtl.c (copy_insn_1): Likewise.
17732 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
17734 * config/mips/mips.c (mips_build_va_list): Correct
17735 TREE_CHAIN setting when hard-float.
17736 (mips_va_start): Use corrected setting.
17737 (mips_va_arg): Likewise. Also pass a tree to build of
17738 POSTINCREMENT_EXPR rather than a naked 'int'.
17740 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
17742 * ggc.h (ggc_push_context): Fix comment.
17743 (ggc_pop_context): Likewise.
17744 (mark_string_if_gcable): Likewise.
17745 * ggc-common.c (ggc_mark_rtx_children): Use
17746 ggc_mark_string_if_gcable.
17747 * ggc-page.c (ggc_lookup_page_table): New function.
17748 (ggc_allocated_p): Likewise.
17749 (mark_obj): Fix formatting.
17750 (ggc_mark_string_if_gcable): New function.
17751 * ggc-simple.c (ggc_allocated_strings): New variable.
17752 (ggc_strings_used): Likewise.
17753 (ggc_compare_addresses): New function.
17754 (ggc_pop_context): Pop the `any' memory too.
17755 (ggc_mark_string_if_gcable): New function.
17756 (ggc_collect): Initialize and tear down ggc_allocated_strings.
17758 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
17760 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
17761 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
17762 * rs6000.c (expand_block_move): Match movstrsi_?reg register
17765 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
17767 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
17768 (sched_reg_live_length, sched_reg_basic_block): Delete.
17769 (current_block_num, bb_live_regs, old_live_regs): Delete.
17770 (dead_notes, struct sometimes): Delete.
17771 (sched_note_set, birthing_insn_p): Delete.
17772 (adjust_priority): Gut useless reg lifetime code.
17773 (create_reg_dead_note, attach_deaths): Delete.
17774 (attach_deaths_insn, new_sometimes_live): Delete.
17775 (finish_sometimes_live): Delete.
17776 (find_pre_sched_live, find_post_sched_live): Delete.
17777 (update_reg_usage): Delete.
17778 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
17779 (schedule_insns): Delete reg lifetime code.
17780 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
17781 (unlink_other_notes): Adjust REG_NOTE commentary.
17782 (reemit_notes): Use REG_SAVE_NOTE.
17783 (schedule_block): Likewise.
17784 (schedule_region): Allocate bitmap of blocks in region. Use
17785 count_or_remove_death_notes. Use update_life_info.
17787 * rtl.h (REG_SAVE_NOTE): New.
17788 * rtl.c (reg_note_name): Update.
17790 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
17792 * combine.c (refresh_blocks, need_refresh): New.
17793 (combine_instructions): Allocate refresh_blocks. Invoke
17794 update_life_info if needed.
17795 (distribute_notes): Mark refresh_blocks instead of installing
17797 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
17798 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
17800 * Makefile.in (recog.o): Depend on basic-block.h.
17802 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
17804 * genrecog.c (add_to_sequence): Thinko last change: delete
17805 shadowing allow_const_int variable.
17807 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17809 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
17810 __GNUC__ and __GNUC_MINOR__.
17812 * gansidecl.h: Likewise.
17818 * toplev.h: Likewise.
17820 * tree.c: Likewise.
17822 * tree.h: Likewise.
17824 * varray.c: Likewise.
17826 * varray.h: Likewise.
17828 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17830 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
17831 use one before a jump table.
17833 * rtl.def (ADDRESS): Change documentation to match reality.
17834 * md.texi: Don't document it.
17835 * gmicro.md (load address pattern): Use 'p' constraint, delete use
17838 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
17840 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
17842 * genrecog.c (add_to_sequence): Move allow_const_int test outside
17843 known predicate block; default allow_const_int true.
17844 (debug_decision_list): New.
17846 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
17848 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
17850 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
17852 * gcse.c (gcse_main): Avoid global optimizations if we have a
17853 large number of basic blocks and the ratio of edges to blocks
17855 (delete_null_pointer_checks): Likewise.
17857 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
17859 * c-common.c (check_format_info): Warn if format string isn't a
17862 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17864 * configure.in (arm*-*-*): Don't let autoconf remove brackets
17865 * configure: regenerate
17867 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
17869 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
17870 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
17871 (peepholes): Re-enable.
17873 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
17875 * Makefile.in (flow.o): Depend on TREE_H.
17876 * basic-block.h (REG_SET_EQUAL_P): New.
17877 (XOR_REG_SET): New.
17878 (n_edges): Declare.
17879 (free_regset_vector): Remove declaration.
17880 (flow_delete_insn_chain): Declare.
17881 (enum update_life_extent): New.
17882 (update_life_info, count_or_remove_death_notes): Declare.
17883 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
17884 Verify register live at bb->global_live_at_start before adding USE.
17885 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
17886 (CLEAN_ALLOCA): New.
17888 (PROP_*): New flags.
17889 (find_basic_blocks_1): Use alloc_EXPR_LIST.
17890 (clear_edges): Zero n_edges.
17891 (make_edge): Increment n_edges.
17892 (split_edge): Don't allocate bb->local_set. Increment n_edges.
17893 (flow_delete_insn_chain): Export.
17894 (delete_block): Decrement n_edges.
17895 (merge_blocks_nomove): Likewise.
17896 (life_analysis): Give life_analysis_1 PROP flags.
17897 (verify_wide_reg_1, verify_wide_reg): New.
17898 (verify_local_live_at_start): New.
17899 (update_life_info): Rewrite to call into propogate_block.
17901 (mark_regs_live_at_end): After reload, if epilogue as rtl,
17902 always mark stack pointer. Conditionally mark PIC register.
17903 After reload, mark call-saved registers, return regsiters.
17904 (life_analysis_1): Accept PROP flags not remove_dead_code.
17905 Call mark_regs_live_at_end before zeroing regs_ever_live.
17906 Use calculate_global_regs_live. Copy global_live_at_end before
17907 calling final propagate_block. Zero reg_next_use on exit.
17908 (calculate_global_regs_live): New.
17909 (allocate_bb_life_data): Don't allocate bb->local_set.
17910 (init_regset_vector, free_regset_vector): Remove.
17911 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
17912 Test flags before every operation. Warn if prologue/epilogue insn
17913 would have been deleted.
17914 (mark_set_regs, mark_set_1): Accept and use FLAGS.
17915 Use alloc_EXPR_LIST.
17916 (mark_used_regs): Accept and use FLAGS, not FINAL.
17917 Remove special handling for RETURN.
17918 (try_pre_increment): Use alloc_EXPR_LIST.
17919 (dump_flow_info): Dump n_edges.
17920 (unlink_insn_chain, split_hard_reg_notes): Remove.
17921 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
17922 (find_insn_with_note, new_insn_dead_notes): Remove.
17923 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
17924 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
17925 (replace_insns): Remove.
17926 (count_or_remove_death_notes): New.
17927 (verify_flow_info): Abort on error after all checks.
17928 (remove_edge): Decrement n_edges.
17929 (remove_fake_edges): Tweak format.
17930 * haifa-sched.c (schedule_insns): Use split_all_insns.
17931 * output.h (update_life_info): Remove declaration.
17932 * recog.c (split_all_insns): From the corpse of split_block_insns,
17933 do the whole function block by block. Use update_life_info.
17934 (recog_last_allowed_insn): New.
17935 (recog_next_insn): Mind it.
17936 (peephole2_optimize): Set it. Walk backwards through blocks.
17937 Use update_life_info.
17938 * rtl.h (update_flow_info, replace_insns): Remove declarations.
17939 (split_all_insns): Declare.
17940 * toplev.c (rest_of_compilation): Thread prologue before flow2.
17941 Use split_all_insns.
17943 * i386.md (or -1 peep2s): Disable.
17945 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
17947 * config/mips/mips.md (movstrsi+[123]) : Combine these into
17948 a single pattern. Scrap the 'd' versions as unnecessary.
17950 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
17951 tablejump_mips162,tablejump_internal4): The operands to a
17952 label_ref must be VOIDmode.
17954 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17956 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
17958 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17960 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
17962 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17964 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
17965 cache every function if ggc_p.
17967 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17969 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
17970 instead of copy_rtx. Accept sequences that contain asm statements.
17971 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
17972 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
17973 orig_asm_operands_vector, copy_asm_operands_vector,
17974 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
17976 * rtl.h (copy_insn, copy_insn_1): Declare.
17978 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17980 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
17982 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
17983 arguments to `current_file_function_operand'.
17985 * genrecog.c: Include hard-reg-set.h and resource.h in the
17986 generated output file.
17988 * real.c: Include tm_p.h.
17990 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17992 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
17995 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
17997 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
17998 before the fctiwz insn.
18000 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18001 Mark Mitchell <mark@codesourcery.com>
18003 * tree.c (make_lang_type_fn): New funtion pointer.
18004 (make_lang_type): Call it.
18005 * tree.h (make_lang_type): Declare.
18006 (make_lang_type_fn): Likewise.
18007 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
18009 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
18011 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
18012 make sure that HIGH instructions are copied into BASE_REGS.
18014 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
18016 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
18018 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
18020 * c-decl.c (finish_struct): Use simpler method of
18021 removing elements of a singly-linked list.
18023 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
18025 * alpha.md (peephole2's): Comment out peephole2's that generate
18028 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
18030 * genrecog.c (add_to_sequence): Disable mode check for
18033 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18035 * ggc-simple.c (init_ggc): Set empty_string.
18037 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
18039 * configure.in: Detect mmap. Add --with-gc=foo to select
18040 garbage collector; default to page if mmap available.
18041 * Makefile.in (GGC): Substitute.
18043 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
18045 * c-decl.c (ggc_p): Enable.
18047 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18049 * flow.c (verify_flow_info): Make it extern & unconditionally define.
18051 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
18053 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
18054 string for little-endian-data.
18056 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
18058 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
18059 case somebody tries to compile --enable-checking code with gcc
18062 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
18064 * genrecog.c (add_to_sequence): Verify operand to label_ref is
18067 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
18069 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
18070 * jump.c (jump_optimize_1): Document why.
18072 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18074 * collect2.c (scan_prog_file, scan_libraries): Prototype function
18075 pointers and casts for `int_handler' and `quit_handler'.
18077 * flow.c (verify_flow_info, split_hard_reg_notes,
18078 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
18079 remove_edge, remove_fake_successors): Add static prototypes.
18080 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
18081 (mark_set_1): Initialize variable `regno'.
18082 (unlink_insn_chain): Likewise for variable `curr'.
18083 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
18085 * loop.c (strength_reduce): Initialize variable
18086 `unrolled_insn_copies'.
18087 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
18088 prototypes. Change these functions to take const PTR parameters
18089 to avoid prototype conflict when used as the comparson argument
18091 (check_dbra_loop): Initialize variable `comparison_val'.
18093 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
18094 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
18095 (find_valid_class): Initialize variable `best_class'.
18096 (find_reloads): Call memcpy, not bcopy.
18098 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
18099 (hard_reg_use_compare): Don't needlessly cast away const.
18100 (reload_reg_class_lower): Likewise.
18101 (choose_reload_regs): Initialize variable `regno'.
18103 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
18105 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
18107 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
18109 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
18110 ({,d}discard): Add forward declarations. Declare parameter as
18112 (main_without_main): Explicitly declare return type to be int.
18113 (memcpy): Properly declare.
18115 * libgcc2.c (toplevel): If inhibit_libc is defined and not
18116 building the trampoline support, declare malloc, free, and
18118 (__clear_cache): Mark arguments as potentially unused.
18120 * frame.c (toplevel): If inhibit_libc is defined, declare
18123 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
18125 * flow.c (make_edge): Accept an optional 2D bitmap in which
18126 to cache edge existence. Update all callers.
18127 (make_label_edge, make_eh_edge): Pass through the edge cache.
18128 (make_edges): Provide the cache.
18130 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18132 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
18134 (local_mbtowc): Change the type of variable `i' from int to size_t.
18136 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
18137 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
18139 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
18141 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
18142 after other includes that define the appropriate types. Include
18143 tm_p.h for getting user prototypes.
18144 * ggc-callbacks.c (toplevel): Ditto.
18145 * ggc-none.c (toplevel): Ditto.
18146 * gcc-page.c (toplevel): Ditto.
18147 * ggc-simple.c (toplevel): Ditto.
18149 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
18150 Jonathan Larmour <jlarmour@cygnus.co.uk>
18152 * config/mips/mips.c (mips_move_2words): Split doubles if
18153 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
18155 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
18157 * genrecog.c (struct decision_test): New.
18158 (struct decision): Remove test-related members, sort the rest by size.
18159 (IS_SPLIT): Simplify.
18160 (new_decision, new_decision_test): New.
18161 (add_to_sequence): Use them. No special handling for args of
18163 (maybe_both_true): Renamed from not_both_true; return sense changed.
18164 (maybe_both_true_1, maybe_both_true_2): New. Broken out
18165 of maybe_both_true and adjusted for decision_test.
18166 (position_merit): Remove.
18167 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
18168 (merge_accept_insn): New, broken out of merge_trees.
18169 (merge_trees): Use them. No special case for c_test; no node
18170 splitting; use test type instead of position_merit.
18171 (factor_tests): New.
18172 (simplify_tests): New.
18173 (break_out_subroutines): Don't write code now.
18174 (find_afterward): New.
18175 (write_afterward, write_switch, write_cond): New.
18176 (write_action, is_unconditional): New.
18177 (write_node): New. Use them.
18178 (write_tree_1): Rewrite. Use the new functions above.
18179 (write_tree): Remove afterward processing.
18180 (write_subroutine): Simplify function variant emission.
18181 (write_subroutines): New.
18182 (same_codes, clear_codes): Remove.
18183 (same_modes, clear_modes): Remove.
18184 (write_header): New, broken out of main.
18185 (make_insn_sequence): Use new_decision and new_decision_test.
18186 (process_tree): New, broken out of main.
18187 (main): Adjust for merge_trees interface change.
18188 Don't #define operands in the output file.
18189 (record_insn_name): New, broken out of make_insn_sequence.
18190 (debug_decision_2, debug_decision_1, debug_decision_0): New.
18191 (debug_decision): New.
18193 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
18195 * resource.c (find_free_register): Mark class_str argument const.
18196 * resource.h: Update prototype to match.
18198 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
18199 * i386.md: Give all anonymous insns names.
18201 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
18203 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
18206 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
18208 * toplev.c (dbr_sched_time): Unconditional.
18209 (peephole2_time): New.
18210 (compile_file): Add pass numbers to all of the dump file suffixes.
18211 Dump peephole2_time. Don't dump times for non-applicable passes.
18212 (rest_of_compilation): Add pass numbers to dump file suffixes.
18213 Conditionalize calls to the scheduler.
18214 * invoke.texi: Update.
18216 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
18218 * flow.c (make_edges): Fix insn iteration.
18219 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
18220 (find_basic_blocks_1): Fix spelling mistake.
18222 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
18224 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
18225 always have side-effects. Use memset not bzero.
18226 (make_node): Likewise.
18228 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
18230 * stmt.c (expand_anon_union_decl): When any of the elements of the
18231 union is addressable, so is the entire union.
18233 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
18235 * sbitmap.c (sbitmap_ones): Don't set too many bits.
18237 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
18238 * bitmap.c (bitmap_operation): Return true iff TO changed.
18239 (bitmap_equal_p): New.
18240 (bitmap_bit_p): Tidy arithmetic.
18241 (debug_bitmap_file): Likewise.
18243 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
18245 * toplev.c (rest_of_compilation): Turn on cse_not_expected
18246 before cse2 instead of after.
18248 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
18250 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
18253 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18255 * cppinit.c (is_idchar initializer): Loosen tests to accept
18258 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
18260 * mips.md: Define conditional move patterns for floating point
18261 operands and DI mode conditions.
18263 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
18265 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
18266 always have side-effects.
18268 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
18270 * mn10200.c (asm_file_start): Fix typo.
18272 * cppinit.c (is_idchar initializer): Tighten tests for when
18273 to put the table into initialized memory.
18275 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
18276 not an array of rtunion.
18277 * gcc-page.c (ggc_alloc_rtvec): Similarly.
18278 * gcc-simple (ggc_free_rtvec): Similarly.
18280 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
18283 * mbchar.h: Add missing #endif.
18285 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
18286 (FPBIT, DPBIT): Define.
18288 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18290 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
18292 * profile.c (instrument_arcs, output_gcov_string,
18293 tablejump_entry_p): Add static prototypes.
18294 (output_gcov_string): Constify a char*.
18296 * regmove.c (replacement_quality, fixup_match_2): Add static
18299 * resource.h (reg_dead_p): Add extern prototype.
18301 * rtl.c (trim_filename): Add static prototype.
18303 * scan-decls.c (skip_to_closing_brace): Likewise.
18305 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
18306 (expand_end_case): Initialize variable `range'.
18307 (emit_case_nodes): Remove unused prototype `rtx_fn'.
18309 * varasm.c (asm_emit_uninitialised): Add static prototype.
18310 (asm_emit_uninitialised, assemble_variable): Mark parameter with
18313 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18315 * cpplib.c (if_directive_nameo): Add static prototype.
18317 * cse.c (cse_insn): Remove unused variable `p'.
18319 * except.c (create_rethrow_ref, push_entry,
18320 receive_exception_label, new_eh_region_entry, find_func_region,
18321 clear_function_eh_region, process_nestinfo): Add static prototypes.
18322 (get_reg_for_handler): Hide definition.
18323 (process_nestinfo): Initialize variable `extra_handlers'.
18325 * expr.h (expand_builtin_longjmp): Add extern prototype.
18327 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
18329 * function.c (prepare_function_start): Likewise.
18330 (pop_function_context_from): Mark parameter `context' with
18332 (push_temp_slots_for_block, flush_addressof): Hide definition.
18334 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
18335 solve_program_flow_graph, calculate_branch_probs,
18336 function_summary, main, fancy_abort): Add prototypes.
18338 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
18339 (add_hash): Constify a char*.
18341 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
18342 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
18343 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
18345 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
18347 * lists.c (free_list, zap_lists): Likewise.
18349 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18351 * alias.c (nonlocal_reference_p): Add static prototype.
18353 * bitmap.c (bitmap_element_allocate): Prototype args in function
18356 * builtins.c (stabilize_va_list): Add static prototype.
18357 (expand_builtin_va_arg): Constify a char*.
18359 * c-lex.c (getch, put_back, extend_token_buffer_to,
18360 read_line_number, token_getch, token_put_back): Add static
18363 * c-parse.gperf (hash, is_reserved_word): Likewise.
18365 * cccp.c (is_dir_separator): Likewise.
18367 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18369 * graph.h: New file to prototype functions exported by graph.c.
18371 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
18373 * graph.c: Include graph.h.
18375 * toplev.c: Likewise. Remove redundant prototypes.
18377 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
18379 * invoke.texi: Removed duplicated description for -Q.
18381 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
18383 * extend.texi: Grammar fix in __extension__ text.
18385 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
18387 * md.texi (define_peephole2): New section.
18389 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
18391 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
18392 (mov $-1 to or peepholer): Enable for pentium when optimizing for
18395 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
18397 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
18399 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
18401 * i386.md (ffs expander): Emit Pentium friendly code for
18404 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
18406 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
18408 (build1): Likewise.
18410 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18412 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
18414 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
18416 * config/m68k/m68k.c (use_return_insn): Return false if the pic
18417 register is in use.
18419 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18421 * md.texi (No Constraints): Delete section.
18422 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
18423 * final.c (final_scan_insn): We always have register constraints.
18424 * genattrtab.c: Don't include "insn-config.h".
18425 (write_attr_case): We always have register constraints.
18426 * genconfig.c (register_constraint_flag): Delete.
18427 (walk_insn_part): Don't check whether we have register constraints.
18428 (main): Don't write out "#define REGISTER_CONSTRAINTS".
18429 * genoutput.c (have_constraints): Delete.
18430 (main): Don't set it.
18431 (output_operand_data): We always have constraints.
18432 (scan_operands): Likewise.
18433 (compare_operands): Likewise.
18434 * local-alloc.c (block_alloc): We always have constraints.
18435 (requires_inout): Always compile this function.
18436 * recog.c (extract_insn): We always have constraints.
18437 (constrain_operands, reg_fits_class_p): Always compile these
18439 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
18441 (struct insn_operand_data): Likewise.
18442 * regclass.c (regclass): We always have constraints.
18443 (record_reg_classes, copy_cost, record_address_regs,
18444 auto_inc_dec_reg_p): Always compile these functions.
18445 * regmove.c (regmove_optimize): We always have constraints.
18446 * reload.c (find_reloads): Likewise.
18447 * reload1.c (reload): Likewise.
18448 (reload_cse_simplify_operands): Likewise.
18449 * i860.c (output_delay_insn): Likewise.
18451 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
18453 * iris6.h (BUILD_VA_LIST_TYPE): Define.
18455 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18457 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
18458 for the va_list record.
18460 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
18462 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
18465 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
18467 * alias.c: Include insn-flags.h.
18468 * Makefile.in (alias.o): Update.
18470 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
18472 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
18473 to LTU and GEU. Handle more cases using sbb.
18475 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
18477 * i386.md (truncatexfdf splitters): Do not use subreg.
18478 (fop XFmode patterns): Fix mode in operand testing.
18480 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
18482 * jump.c (jump_optimize_1): Amend last change to test only the
18483 form of the operand, not the insn.
18485 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
18486 not register_operand to determine when B may need preloading.
18488 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
18490 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
18491 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
18492 (call-value patterns): Move to end of file.
18493 (*): Remove mode from label_ref in (pc) context.
18494 (movstrqi): Use memory not general_operand for BLKmode operands.
18495 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
18496 to register_operand operands.
18497 (peep2 patterns): Convert from commented-out peephole patterns.
18499 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18501 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
18502 to BUILT_IN_INIT_DWARF_REG_SIZES.
18503 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
18504 Renamed from BUILT_IN_DWARF_REG_SIZE; call
18505 expand_builtin_init_dwarf_reg_sizes.
18506 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
18507 with __builtin_init_dwarf_reg_size_table.
18508 * dwarf2out.c (struct reg_size_range): Delete.
18509 (expand_builtin_init_dwarf_reg_sizes): New function.
18510 (expand_builtin_dwarf_reg_size): Delete.
18511 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
18512 (expand_builtin_dwarf_reg_size): Don't declare.
18513 * libgcc2.c (dwarf_reg_size_table_initialized): New.
18514 (dwarf_reg_size_table): New.
18515 (init_reg_size_table): New function.
18516 (copy_reg): Use dwarf_reg_size_table.
18517 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
18520 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
18522 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
18523 Correctly build argument list to constructor and destructor functions.
18525 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
18527 * c-tree.h (warn_float_equal): Declare.
18528 * c-decl.c (warn_float_equal): Define.
18529 (c_decode_option): Recognize -W[no-]float-equal.
18530 * c-typeck.c (build_binary_op): Conditionally warn
18531 about equality tests of floating point types.
18532 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
18533 * invoke.texi: Add docs for -Wfloat-equal warning.
18535 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
18537 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
18538 generating RTL directly.
18539 * mips.h (INIT_TARGET_OPTABS): Likewise.
18540 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
18542 * expr.h (init_mov_optab): Delete declaration
18544 * h8300.c (WORD_REG_USED): Update to avoid useless register
18545 saves in interrupt functions and functions which never return.
18547 * cse.c (struct set): Delete inner_dest_loc field.
18548 (cse_insn): Remove assignments to inner_dest_loc field.
18550 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
18552 * ggc-page.c: Don't include <unistd.h> etc taken care of
18553 by "system.h". Include <sys/mman.h> afterward.
18555 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
18557 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
18560 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
18562 * xcoffout.c (xcoffout_declare_function): Add documentation.
18563 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
18564 TARGET_64BIT. Compare constant to -1, not bit pattern.
18565 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
18566 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
18569 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
18571 * dwarf2out.c (add_abstract_origin_attribute): Abort if
18572 origin_die is NULL.
18573 (gen_inlined_enumeration_type_die): Do not abort if the type has
18574 not been writeen out.
18575 (gen_inlined_structure_type_die): Do not abort if the type has
18576 not been writeen out.
18577 (gen_inlined_union_type_die): Do not abort if the type has
18578 not been writeen out.
18579 (gen_tagged_type_instantiation_die): Do not abort if the type
18580 has not been written out.
18582 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18584 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
18586 * reg-stack.c (straighten_stack): Copy hard reg set with
18589 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
18591 * builtins.c (stabilize_va_list): Stabilize array type va_list
18592 to a pointer type, not the base record type.
18593 (expand_builtin_va_copy): Dereference the pointers explicitly;
18594 use the correct size for the copy.
18596 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
18597 (rs6000_va_arg): Likewise.
18599 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
18601 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
18603 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
18605 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
18607 (DECL_BUILT_IN_CLASS): Adjust accordingly.
18609 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
18611 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
18612 (init_ggc): Use it instead of a constant.
18613 (ggc_collect): Bound allocated_last_gc by it.
18615 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
18617 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
18620 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
18622 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
18623 (mips*-*-openbsd*): Let big endian configuration be a fragment.
18624 * configure: Regen.
18625 * config/mips/openbsd.h: New, OpenBSD little endian target.
18626 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
18627 * config/mips/xm-openbsd.h: New, OpenBSD host.
18629 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
18631 * config/m68k/m68k.c (output_function_prologue,
18632 output_function_epilogue): Use
18633 current_function_uses_pic_offset_table instead of regs_ever_live
18634 to decide whether to save/restore pic register.
18635 (legitimize_pic_address): Don't modify regs_ever_live any more.
18637 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
18639 * function.h (struct function): Add x_dont_save_pending_sizes_p.
18640 * stor-layout.c (variable_size): Don't add sizes to the pending
18641 sizes list if x_dont_save_pending_sizes_p is set.
18643 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
18645 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
18646 for symbolic_operand().
18647 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
18649 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18651 * combine.c (gen_rtx_combine): Add missing call to va_end().
18653 * final.c (asm_fprintf): Likewise.
18655 * genattrtab.c (attr_rtx): Likewise.
18657 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
18659 * cse.c: Update comments.
18660 (cse_insn): When converting a conditional/computed jump into
18661 an unconditional jump, always make sure a BARRIER immediately
18662 follows the converted jump. Do not delete unreachable code.
18663 (cse_basic_block): Do not delete unreachable code.
18664 * toplev.c (rest_of_compilation): Move call to
18665 delete_trivially_dead_insns after the conditional call to
18668 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18670 * collect2.c (make_temp_file): Don't prototype.
18672 * gcc.c (make_temp_file): Likewise.
18674 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
18676 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
18678 * varasm.c (asm_emit_uninitialised): New function: Generate
18679 the assembler statements necessary to declare an uninitialised
18681 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
18683 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
18684 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
18686 (assemble_variable): Use asm_emit_uninitialised to emit an
18687 uninitialised variable.
18689 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
18691 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
18692 constant on a 64 bit host. Patch supplied by Geoffrey Keating
18693 <geoffk@cygnus.com>.
18695 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18697 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
18698 * c-common.h (builtin_function): Don't declare.
18700 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
18702 (pushdecl): Likewise.
18703 (finish_decl): Likewise.
18704 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
18705 int. All callers changed.
18706 Set the builtin's DECL_BUILT_IN_CLASS.
18707 * tree.h (enum built_in_class): New.
18708 (enum built_in_function): Delete NOT_BUILT_IN.
18709 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
18711 (DECL_SET_FUNCTION_CODE): Likewise.
18712 (DECL_BUILT_IN_CLASS): New macro.
18713 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
18714 (struct tree_decl): Split builtin function code field into a
18716 (builtin_function): Declare.
18718 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
18720 * optabs.c (init_traps): Fix typo in last change.
18722 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
18724 * toplev.c (rest_of_decl_compilation): Update comment.
18726 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18728 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
18729 in .sbss if appropriate.
18730 (EXTRA_SECTION_FUNCTIONS): Add sbss.
18731 (SBSS_SECTION_ASM_OP): New macro.
18732 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
18733 (EXTRA_SECTIONS): Add in_sbss.
18734 * config/mips/mips.h: Prototype sbss_section.
18736 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
18738 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
18741 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
18743 * optabs.c (init_traps): Register trap_rtx as a GC root.
18745 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18747 * config/mips/mips.c (function_arg_pass_by_reference): Define
18748 unconditionally, since it's called unconditionally.
18750 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
18752 * toplev.c (documented_lang_options): Add -fshort-wchar.
18753 * c-decl.c (c_decode_option): Likewise.
18754 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
18756 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
18757 * gcc.c (default_compilers): If -fshort-wchar,
18758 override __WCHAR_TYPE__.
18759 * tm.texi (C Dialect Options): Add -fshort-wchar.
18761 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
18762 symbol for a variable.
18764 * cpplib.h (CPP_PREPROCESSED): New macro.
18765 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
18766 we're seeing this input for a second time.
18768 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
18770 * emit-rtl.c (init_emit_once): Initialize modes first.
18772 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
18774 * config/i386/i386.c (pic_label_name): Change to char pointer.
18775 (global_offset_table): New variable.
18776 (load_pic_register): Fill global_offset_table if it hasn't
18777 already been done. Allocate pic_label_name dynamically.
18778 * ggc.h (empty_string): New variable.
18779 * ggc-simple.c (empty_string): Likewise.
18780 (init_ggc): Allocate empty_string and add as root.
18781 * stmt.c (digit_strings): New variable.
18782 (init_stmt): Add last_block_end_note as root. Allocate and
18783 initialize digit_strings.
18784 (expand_asm_operands): Use empty_string instead of string
18785 constant. Use digit_strings instead of string constants.
18786 * profile.c (init_arc_profiler): Allocate string with
18787 ggc_alloc_string instead of xmalloc.
18788 (output_func_start_profiler): Likewise.
18789 * c-typeck.c (digest_init): Check if init is error_mark_node.
18791 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
18792 Richard Henderson <rth@cygnus.com>
18794 * ggc-page.c: New file.
18795 * Makefile.in (ggc-page.o): New.
18797 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
18799 * invoke.texi: Document -fdelete-null-pointer-checks
18800 * toplev.c (flag_delete_null_pointer_checks): New.
18801 (f_options): Add entry for -fdelete-null-pointer-checks.
18802 (rest_of_compilation): Conditionalize null pointer check
18803 elimination on flag_delete_null_pointer_checks.
18804 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
18806 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
18808 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
18809 copyright notice and special exception to GPL.
18811 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18813 * abi64.h (mips_function_value): Add prototype arguments.
18815 * mips-protos.h: New file with mips prototypes.
18817 * mips.c: Include "tm_p.h".
18818 (mktemp, lookup_name): Add prototype arguments.
18819 (extern_list, string_constant, mips_fill_delay_slot,
18820 mips_output_external, mips_output_external_libcall,
18821 mips_output_filename, mips_declare_object, function_prologue,
18822 mips_expand_prologue, function_epilogue, mips16_constant,
18823 build_mips16_function_stub, mips_output_conditional_branch):
18825 (mips_va_start): Remove unused variable `u'.
18826 (mips_va_arg): Cast value to unsigned when comparing against one.
18828 (save_restore_insns, mips_expand_prologue): Add missing arg in
18829 call to `large_int'.
18831 * mips.h: Move prototypes to mips-protos.h.
18832 (data_section, memory_address_p, rdata_section,
18833 readonly_data_section, simple_epilogue_p, text_section): Delete
18834 prototypes delcared elsewhere.
18835 (mips_epilogue_delay_slots, print_options): Delete unused decls.
18837 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
18839 * mips.md: Delete extra args in call to `mips_move_2words'.
18841 * xm-iris6.h (alloca): Add prototype argument.
18843 * genpeep.c: Include "tm_p.h" in generated output file.
18845 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18847 * basic-block.h (find_edge_index): Change parameters.
18848 * flow.c (verify_edge_list): Pass basic_block parameters to
18849 find_edge_index instead of integers.
18851 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
18853 * combine.c (simplify_comparison): Use an unsigned shift to adjust
18856 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
18858 * gcc.1: Fix a formatting error.
18860 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18862 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
18863 i786, mn10200, mn10300, pdp11, v850.
18865 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
18867 * libgcc2.c (num_digits): Add prototype with
18868 __attribute__((const)).
18869 (__terminate): Add prototype.
18871 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
18873 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
18875 * alpha/alpha.c (print_operand): Fix type of `code'.
18876 (alpha_output_filename): Constify.
18877 * alpha/alpha.h: Move all function declarations ...
18878 * alpha/alpha-protos.h: ... here. New file.
18879 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
18880 (SECTION_FUNCTION_TEMPLATE): Likewise.
18882 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18884 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
18885 * expr.c (expand_expr): Likewise.
18886 (do_jump): Likewise.
18887 (do_store_flag): Pass ccp_store_flag to can_compare_p.
18888 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
18890 (enum can_compare_purpose): New.
18891 (can_compare_p): Adjust prototype.
18892 (prepare_cmp_insn, prepare_operand): Declare.
18893 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
18894 * optabs.c (cmp_available_p): Deleted.
18895 (expand_abs): Pass ccp_jump to can_compare_p.
18896 (can_compare_p): New arg PURPOSE. Check for combined optabs.
18897 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
18898 Call can_compare_p rather than cmp_available_p.
18899 (prepare_operand): No longer static.
18900 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
18901 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
18902 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
18903 sequence to use emit_cmp_and_jump_insns.
18904 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
18906 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
18908 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
18909 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
18910 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
18911 (plus (reg) (const_int 0))
18912 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
18914 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
18916 * rs6000.c (expand_block_move): DImode loads and stores require
18917 word-aligned displacements. Increment address registers with
18918 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
18920 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
18922 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
18923 is no name for the base type, rather than segfault. If we are
18924 writing out a complex integer type, use DW_ATE_lo_user.
18926 * expr.c (emit_move_insn_1): If we are copying a complex that fits
18927 in one word or less (complex char, complex short, or on 64 bit
18928 systems complex float) to/from a hard register, copy it through
18929 memory instead of dying in gen_{real,imag}part. If we have a
18930 short complex type, prevent inlining since it allocates stack
18933 * tree.c (build_complex_type): If we are writing dwarf2 output,
18934 generate a name for complex integer types.
18936 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18938 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
18939 * flow.c (remove_edge): Remove extra whitespace.
18940 (remove_fake_edges): Fix comment.
18941 (add_noreturn_fake_exit_edges): Use the correct name.
18943 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
18945 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
18946 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
18947 (clean): Depend on INTL_CLEAN.
18948 (maintainer-clean): Adjust.
18950 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18952 * configure.in (AC_PREREQ): Bump to 2.13.
18953 (AC_C_STRINGIZE): Call this instead of using a custom macro.
18955 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
18957 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
18959 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
18961 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
18962 (HAVE_STRINGIZE): Define.
18964 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
18966 * c-parse.in: save and restore warn_pointer_arith on __extension__
18967 along with pedantic.
18968 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
18969 Set the type of extension to itype rather than $<itype>1 kludge.
18970 * extend.texi (Alternate Keywords): Adjust documentation.
18971 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
18973 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
18975 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
18976 most assembler templates.
18978 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
18979 FP loads and stores.
18980 (following_call): Always return zero for the PA8000.
18981 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
18982 FP loads and stores.
18983 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
18985 * pa.h (BRANCH_COST): Define.
18987 * pa.md (return, return_internal): Use bve for PA2.0.
18989 * pa.md (fused multiply): Add variants which reduce height for the
18990 fused multiply, but which still generate 2 insns.
18991 (fnegabs): Similarly.
18993 * pa.md (subsi3): Turn into an expander. Create two anonymous
18994 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
18995 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
18997 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
18999 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
19001 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
19002 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
19004 * regclass.c (init_regs): Add "top_of_stack" as a garbage
19007 * flow.c (record_active_eh_regions): Terminate loop after finding
19008 the last insn in the last basic block.
19010 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19012 * config/c4x/c4x.md: Delete parallel instruction peepholes.
19014 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19016 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
19018 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19020 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
19021 splitting to not use output template.
19023 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19025 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
19026 * config/c4x/c4x.c (c4x_va_start): New function.
19028 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
19030 * genrecog.c (not_both_true): Handle correctly cases when called for
19031 tests with different positions in the insn.
19033 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19035 * machmode.h (HOST_PTR_PRINTF): Move from here ...
19037 * system.h (HOST_PTR_PRINTF): ... to here.
19039 * mips-tfile.c: Don't include machmode.h.
19041 * Makefile.in (MACHMODE_H): New variable. Update to use it.
19042 (mips-tfile.o): Don't depend on machmode.h.
19044 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19046 * haifa-sched.c (sched_analyze): Rename local variable `region' to
19047 avoid conflicts with typedef struct `region' at the top level scope.
19049 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
19051 * basic-block.h (basic_block): Add eh_beg, eh_end.
19052 * flow.c (entry_exit_blocks): Update.
19053 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
19054 Call new functions.
19055 (find_basic_blocks_1): Don't record eh_list at each bb. Use
19056 lists.c functions to allocate insn lists.
19057 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
19059 (make_eh_edge): ... here. New.
19060 (move_stray_eh_region_notes): New.
19061 (record_active_eh_regions): New.
19062 (delete_unreachable_blocks): Split out block merging ...
19063 (try_merge_blocks): ... here. New.
19064 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
19065 Dump debugging data.
19066 (merge_blocks_move_successor_nojumps): Likewise.
19067 (merge_blocks): Use eh_beg+eh_end to validate block movement.
19069 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
19071 * extend.texi (Bound member functions): Document unbound pmf
19074 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19076 * flow.c (split_edge): Handle insertion on a fallthrough edge which
19077 has the EXIT_BLOCK as a dest.
19079 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19081 * flow.c (remove_edge): New function to remove an edge from the
19083 (remove_fake_successors): New function to remove fake successor edges.
19084 (remove_fake_edges): New function to remove all fake edges from the
19086 (add_fake_exit_edges): New function to add fake edges from all blocks
19087 with no successors to the exit block.
19088 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
19089 prototypes for new functions.
19091 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19093 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
19094 Use Pmode to determine whether to output .dword or .word.
19096 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
19098 * tree.c (built_in_filename): New variable.
19099 (BUILT_IN_FILENAME): New macro.
19100 (init_tree_codes): Allocate built_in_filename.
19101 (make_node): Use built_in_filename instead of string constant.
19103 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
19105 * configure.in: Add fr30 target.
19106 * configure: Regenerate.
19107 * config/fr30: New directory.
19108 * config/fr30/crti.asm: New file.
19109 * config/fr30/fr30.c: New file.
19110 * config/fr30/crtn.asm: New file.
19111 * config/fr30/fr30.h: New file.
19112 * config/fr30/fr30.md: New file.
19113 * config/fr30/lib1funcs.asm: New file.
19114 * config/fr30/t-fr30: New file.
19115 * config/fr30/xm-fr30.h: New file.
19117 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
19119 * flow.c (merge_blocks_move_successor_nojumps): Delete the
19120 BARRIER at the end of the successor, not the BARRIER before
19123 * pa.c (pa_add_gc_roots): Fix thinko in last change.
19125 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
19127 * stmt.c (any_pending_cleanups): Don't crash when
19128 current_function->stmt is unset.
19130 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19132 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
19133 other initializations that may use it for relative offsets.
19135 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19137 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
19138 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
19139 * config/i386/sol2dbg.h: Removed.
19140 * config/i386/sol2gas.h: New file, to enable gas work-around.
19141 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
19142 Don't use sol2dbg.h.
19143 * configure: Rebuilt.
19145 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
19147 * invoke.texi (-fthis-is-variable): Remove documentation.
19149 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
19151 * basic-block.h (compute_bb_for_insn): Declare.
19152 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
19153 to use; set size of basic_block_for_insn directly.
19154 (find_basic_blocks): Update.
19156 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19158 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
19160 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19162 * crtstuff.c (ON_EXIT): Delete empty macro definition.
19163 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
19165 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
19167 * c-decl.c (c_decode_option): Extend comment.
19169 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
19171 * toplev.c (progname): Make 'const char *'
19172 (flag_print_mem): Move out of main.
19173 (version_flag): Move out of main.
19174 (filename): Move out of main.
19175 (debug_args): Remove g prefix from options.
19176 (documented_lang_options): Remove cpplib specific options.
19177 (display_help): Add g prefix to debug options.
19178 (check_lang_option): Delete this function.
19179 (decode_d_option): New function: Decode -d... option.
19180 (decode_f_option): New function: Decode -f... option.
19181 (decode_W_option): New function: Decode -W... option.
19182 (decode_g_option): New function: Decode -g... option.
19183 (independent_decode_option): New function: Decode a language
19184 independent command line option.
19185 (main): Invoke lang_decode_option and then
19186 independent_decode_option on each command line option in
19189 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
19191 Revert this change. Gavin's patch to operand_equal_p is a better fix.
19192 * fold-const.c (fold_range_test): Do not try to fold the range
19193 test if the rhs or lhs has side effects.
19195 * basic-block.h (compute_flow_dominators): Declare.
19197 * gcse.c (alloc_code_hoist_mem): New function.
19198 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
19199 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
19200 (hoist_code, one_code_hoisting_pass): Likewise.
19201 (gcse_main): If optimizing for size, then hoist expressions
19202 computed in multiple dominated basic blocks.
19204 * gcse.c (invalid_nonnull_info): New function.
19205 (delete_null_pointer_checks): Likewise.
19206 * rtl.h (delete_null_pointer_checks): Declare.
19207 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
19209 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
19210 (merge-blocks_move_successor_nojumps): Likewise.
19211 (merge_blocks): Allow merging of some blocks, even if it requires
19212 physical movement of the blocks, but not if it requires new jumps.
19214 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
19215 Callers and prototype changed.
19216 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
19218 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19220 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
19221 -YP when both -p and -pg are present. From i386/sol2.h.
19223 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19225 * Makefile.in (distclean): Delete tm_p.h.
19226 * configure.in: Create a new file, "tm_p.h", from a list in
19227 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
19228 "i386/i386-protos.h".
19230 * alias.c: Include "tm_p.h".
19231 * c-typeck.c: Likewise.
19232 * calls.c: Likewise.
19234 * emit-rtl.c: Likewise.
19235 * explow.c: Likewise.
19236 * expmed.c: Likewise.
19237 * expr.c: Likewise.
19238 * final.c: Likewise.
19239 * flow.c: Likewise.
19240 * fold-const.c: Likewise.
19241 * function.c: Likewise.
19242 * gcse.c: Likewise.
19243 * global.c: Likewise.
19244 * haifa-sched.c: Likewise.
19245 * integrate.c: Likewise.
19246 * jump.c: Likewise.
19247 * local-alloc.c: Likewise.
19248 * loop.c: Likewise.
19249 * optabs.c: Likewise.
19250 * recog.c: Likewise.
19251 * reg-stack.c: Likewise.
19252 * regclass.c: Likewise.
19253 * regmove.c: Likewise.
19254 * reload.c: Likewise.
19255 * reload1.c: Likewise.
19256 * reorg.c: Likewise.
19257 * resource.c: Likewise.
19258 * stmt.c: Likewise.
19259 * stor-layout.c: Likewise.
19260 * toplev.c: Likewise.
19261 * tree.c: Likewise.
19262 * unroll.c: Likewise.
19263 * genattrtab.c (main): Make generated file include "tm_p.h".
19264 * genemit.c (main): Likewise.
19265 * genoutput.c (main): Likewise.
19266 * genrecog.c (main): Likewise.
19268 * i386.h: Delete all prototypes.
19269 * i386.c: Include "tm_p.h".
19270 (ix86_attr_length_default): Call constant_call_address_operand
19271 with correct number of arguments.
19272 * i386-protos.h: New file.
19273 * i386.md (unnamed patterns): Call constant_call_address_operand
19274 with correct number of arguments.
19275 (exception_receiver): Call load_pic_register with correct number
19278 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
19280 * c-pragma.c (mark_align_stack): Dereference the void* properly.
19282 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
19284 * rtl.h (insns_safe_to_move_p): New function.
19285 * loop.c (find_and_verify_loops): Use it.
19286 * rtlanal.c (insns_safe_to_move_p): Define it.
19288 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
19290 * c-pragma.c: Include ggc.h.
19291 * Makefile.in (c-pragma.o): Update.
19293 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19295 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
19296 (LIB_SPEC): Likewise.
19297 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
19298 Reindent -YP/-p/-pg.
19299 Copied from config/sparc/sol2.h.
19301 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
19303 * c-pragma.c (mark_align_stack): New.
19304 (init_pragma): New.
19305 * c-pragma.h (init_pragma): Declare it.
19306 * c-lex.c (init_parse): Call it.
19308 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19310 * configure.in: Pick up thread library on Solaris/x86 just
19311 like on Solaris/sparc.
19312 * configure: Rebuilt.
19314 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
19316 * rtl.h (global_rtx_index): New enum.
19317 (global_rtl): Change to array of rtx.
19318 (pc_rtx, cc0_rtx): Redefine accordingly.
19319 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
19320 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
19321 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
19322 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
19323 (const_int_rtx): Change to array of rtx.
19324 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
19326 * emit-rtl.c (global_rtl): Change to array of rtx.
19327 (const_int_rtx): Change to aray of rtx.
19328 (gen_rtx_CONST_INT): Redefine accordingly.
19329 (init_emit_once): Allocate and initialize global_rtl. Likewise
19330 for const_int_rtx. Add both as GC roots.
19331 * genattrtab.c (global_rtl): Update declaration.
19333 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
19335 * Makefile (USER_H): Add iso646.h back.
19337 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
19339 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
19340 zapping the LOG_LINKS of sched_before_next_call.
19342 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
19343 * pa.c (insn_refs_are_delayed): Renamed from
19344 insn_sets_and_refs_are_delayed.
19346 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
19348 * functiion.h (struct function): Add x_whole_function_mode_p.
19349 (retrofit_block): Declare.
19350 * function.c (retrofit_block): New function.
19351 (identify_blocks): Add assertions. Allow an incomplete set of
19352 block notes if we're still generating code for the function.
19353 * integrate.c: Include loop.h.
19354 (expand_inline_function): Call find_loop_tree_blocks to map block
19355 notes to blocks when in whole-function mode. Use retrofit_block
19356 to insert new BLOCKs for the inlined function, rather than
19358 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
19359 * Makefile.in (integrate.o): Depend on loop.h.
19361 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
19363 * tree.h (warn_about_unused_variables): Declare.
19364 * stmt.c (warn_about_unused_variables): New function, split out
19366 (expand_end_bindings): Here.
19368 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
19370 * stmt.c (preserve_subexpressions_p): Don't crash when
19371 current_function->stmt is unset.
19373 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
19375 * stmt.c (expand_start_bindings): Allow callers to pass a flag
19376 indicating that no NOTE_INSN_BLOCK_BEG note is required.
19377 (expand_start_target_temps): Use it.
19378 * except.c (expand_eh_region_start_for_decl): Likewise.
19379 * expr.c (expand_expr): Likewise.
19381 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
19383 * fold-const.c (operand_equal_p): Pay attention to side effects.
19385 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
19387 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
19388 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
19390 * tlink.c (scan_linker_output): Look for keywords before accepting
19391 a mangled name in quotes.
19393 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
19395 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
19396 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
19398 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
19400 * alpha.md: Revert Thu Nov 26 change that came in through the
19401 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
19402 Avoid earlyclobber when possible.
19404 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19406 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
19408 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
19409 Define HAVE_ON_EXIT.
19411 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19413 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
19414 CTYPE_CONV in all ctype macros.
19416 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
19419 * cexp.y (initialize_random_junk): Likewise.
19421 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
19423 * i370.c (handle_pragma): Likewise.
19425 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
19427 * v850.c (override_options): Likewise.
19429 * doprint.c (_doprnt): Likewise.
19431 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
19434 * fixinc/server.c (load_data): Likewise.
19436 * fold-const.c (real_hex_to_f): Likewise.
19438 * genattr.c (write_upcase, gen_attr): Likewise.
19440 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
19441 write_upcase): Likewise.
19443 * genemit.c (print_code): Likewise.
19445 * genopinit.c (gen_insn): Likewise.
19447 * genpeep.c (print_code): Likewise.
19449 * genrecog.c (print_code): Likewise.
19451 * optabs.c (init_libfuncs): Likewise.
19453 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
19455 * haifa-sched.c (sched_analyze): Keep the list of notes organized
19457 (reemit_notes): Likewise.
19459 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
19461 * ggc.h (ggc_root): Move to ggc-common.c.
19463 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
19464 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
19465 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
19466 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
19467 * ggc-common.c (ggc_root): Move from ggc.h.
19468 (roots): Declare, static.
19469 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
19470 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
19471 null or check/set mark bit.
19472 (ggc_mark_roots): New.
19473 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
19475 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
19477 * m32r.c: Include toplev.h.
19478 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
19479 (gen_compare): Rename swap_p to must_swap to match uses.
19480 Add default abort case.
19481 (m32r_output_function_epilogue): Remove unused variables.
19482 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
19483 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
19484 define to empty parameter list. Update all uses.
19485 (predicate decls): Use enum machine_mode not int.
19486 * m32r.md (movsi): Call abort, not fatal_insn.
19487 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
19489 1999-09-14 Andrew Haley <aph@cygnus.com>
19491 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
19492 use $0 instead of 0.
19494 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19496 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
19497 computation out of loop over hard regs.
19499 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
19501 * function.c (identify_blocks): Don't shadow a variable in an
19503 * integrate.c (integrate_decl_tree): Don't use pushlevel,
19504 pushdecl, or poplevel to build up the new BLOCK tree.
19505 (expand_inline_function): Likewise.
19506 (integrate_parm_decls): Likewise.
19508 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
19510 * c-typeck.c (qualify_type): Merge qualifiers from both types.
19512 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
19514 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
19515 * invoke.texi: Document this change.
19517 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
19519 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
19521 (mark_emit_status): Renamed from mark_emit_state.
19522 * except.c (mark_eh_status): Renamed from mark_eh_state.
19523 Check not null before marking.
19524 (free_eh_status): New.
19525 * expr.c (mark_expr_status, free_expr_status): New.
19526 * function.c (free_machine_status): New.
19527 (free_after_parsing): New.
19528 (free_after_compilation): Move bits to free_after_parsing; call
19529 free_eh_status, free_expr_status; zero the marked members of the
19531 (prepare_function_start): No can_garbage_collect.
19532 Call init_eh_for_function.
19533 (expand_dummy_function_end): Free up current_function state.
19534 (mark_function_status): Renamed from mark_function_state.
19535 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
19536 * function.h (struct function): No can_garbage_collect.
19537 (free_machine_status, free_after_parsing): Declare.
19538 (free_eh_status, free_expr_status): Declare.
19539 * ggc.h (mark_expr_status): Declare.
19540 * stmt.c (free_stmt_status): Free the struct.
19541 (mark_stmt_status): Renamed from mark_stmt_state.
19542 (init_stmt): Don't call init_eh.
19543 (init_stmt_for_function): Don't call init_eh_for_function.
19544 * toplev.c (compile_file): Call init_eh.
19545 (rest_of_compilation): Free basic block info before ggc_collect.
19546 Call free_after_parsing; conditionally call free_after_compilation.
19547 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
19548 Check not null before marking.
19549 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
19551 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
19553 * c-lex.c (yylex): Initialize warn.
19555 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
19557 * pa.c (emit_move_sequence): Properly set the mode of the scratch
19558 register when performing secondary reloads for the SAR register.
19560 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
19562 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
19563 (NOTE_BLOCK): New macro.
19564 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
19565 * function.h (identify_blocks): Change prototype.
19566 * function.c (identify_blocks): Simplify.
19567 (reorder_blocks): Likewise.
19568 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
19569 NOTE_INSN_BLOCK_{BEG,END}.
19570 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
19571 the list of saved notes if the note isn't a
19572 NOTE_INSN_BLOCK_{BEG,END}.
19573 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
19575 (reemit_notes): Adjust recreation of notes to reflect new saved
19577 * print-rtl.c (print_rtx): Print the address of the BLOCK when
19578 printing a block note.
19579 * stmt.c (block_vector): Remove.
19580 (find_loop_tree_blocks): Simplify.
19581 (unroll_block_trees): Likewise.
19582 * tree.h (reorder_block): Change prototype.
19584 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
19586 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
19587 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
19588 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
19589 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
19590 (atexit, exit): Simplify.
19591 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
19592 * config/lots: Remove defns of HAVE_ATEXIT.
19594 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
19596 * calls.c (precompute_arguments): Fix typo in comment.
19597 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
19600 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
19602 * dsp16xx.c (override_options): Fix typos in GC root registration.
19604 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
19606 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
19607 from config/svr4.h.
19608 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
19609 (FUNCTION_PROFILER): Redefine appropriately for Linux.
19610 (CC1_SPEC): Likewise.
19612 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19614 * genattr.c (main): Add extern prototype. Call return, not exit.
19615 * genattrtab.c (main): Likewise.
19616 * gencheck.c (main): Likewise.
19617 * gencodes.c (main): Likewise.
19618 * genconfig.c (main): Likewise.
19619 * genemit.c (main): Likewise.
19620 * genextract.c (main): Likewise.
19621 * genflags.c (main): Likewise.
19622 * gengenrtl.c (main): Likewise.
19623 * genopinit.c (main): Likewise.
19624 * genoutput.c (main): Likewise.
19625 * genpeep.c (main): Likewise.
19626 * genrecog.c (main): Likewise.
19628 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
19629 * genattrtab.c (get_insn_name): Likewise.
19630 * gencodes.c (get_insn_name): Likewise.
19631 * genconfig.c (get_insn_name): Likewise.
19632 * genemit.c (get_insn_name): Likewise.
19633 * genextract.c (get_insn_name): Likewise.
19634 * genflags.c (get_insn_name): Likewise.
19635 * genopinit.c (get_insn_name): Likewise.
19636 * genpeep.c (get_insn_name): Likewise.
19638 * gencheck.c (usage): Add static prototype.
19639 * genextract.c (print_path): Constify a char*.
19640 * genopinit.c (optabs): Likewise.
19641 * genoutput.c (operand_data, data, output_predicate_decls,
19642 compare_operands): Likewise.
19643 * genrecog.c (write_tree): Add default case in switch.
19645 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19647 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
19649 * print-rtl.c (get_insn_name): Remove prototype.
19651 * toplev.h (progname): Declare const.
19653 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
19654 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
19655 dump_sched_info, dump_local_alloc, regset_release_memory,
19656 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
19657 error_with_file_and_line, error_with_decl, error_for_asm, error,
19658 fatal, warning_with_file_and_line, warning_with_decl, warning,
19659 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
19660 Remove redundant prototypes.
19662 (notice, check_lang_option, report_file_and_line, vnotice,
19663 mark_file_stack): Add static prototype.
19664 (set_fatal_function): Add prototype.
19665 (vnotice, report_file_and_line, set_fatal_function,
19666 check_lang_option): Constify a char*.
19667 (main): Prototype. Call return, not exit.
19669 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19671 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
19673 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
19675 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
19677 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
19679 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19681 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
19682 behave as if it's zero in all cases.
19683 (expand_function_start): Adjust call to assign_parms.
19684 * tree.h (assign_parms): Adjust prototype.
19685 * objc/objc-act.c (hack_method_prototype): Adjust call to
19688 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
19690 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
19691 arg_pointer_rtx fixed if the argument pointer register is
19693 (NONZERO_BASE_PLUS_P): Likewise.
19695 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
19697 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
19698 match_insn2 to match_insn.
19699 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
19701 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
19703 * Makefile.in (USER_H): Remove va-foo.h.
19705 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
19706 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
19707 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
19708 va-spur.h,va-v850.h}: Remove.
19710 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
19712 * sparc/sparc.md (eligible_for_return_delay): New attribute.
19713 (in_return_delay): Use it instead of match_insn.
19715 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19717 * config/alpha/va_list.h (va-alpha.h): Do not include.
19718 (__gnuc_va_list): Typedef as in varargs.h.
19720 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
19722 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
19723 DECL_LIVE_RANGE_RTL.
19725 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
19727 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
19728 not NOTE_BLOCK_NUMBER.
19729 (expand_eh_region_end): Likewise.
19730 (find_exception_handler_labels): Likewise.
19731 (scan_region): Likewise.
19732 (exception_optimize): Likewise.
19733 (update_rethrow_references): Likewise.
19734 (set_insn_eh_region): Likewise.
19735 * final.c (final_scan_insn): Likewise.
19736 * flow.c (make_edges): Likewise.
19737 * integrate.c (expand_inline_function): Likewise.
19738 * print-rtl.c (print_rtx): Likewise.
19740 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
19742 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
19743 terms of builtin functions and types.
19745 * mips.c (mips_build_va_list): New.
19746 (mips_va_start, mips_va_arg): New.
19747 * mips.h (BUILD_VA_LIST_TYPE): New.
19748 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19750 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
19751 (sh_build_va_list, sh_va_start, sh_va_arg): New.
19752 * sh.h (BUILD_VA_LIST_TYPE): New.
19753 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19755 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
19757 * recog.h (struct recog_data): Make dup_num, operand_address_p,
19758 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
19759 (struct insn_data): Likewise with n_operands, n_dups,
19760 n_alternatives, output_format.
19761 * regclass.c (scan_one_insn): Cast n_operands to int before
19762 arithmetic inside comparison.
19764 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
19766 * toplev.c (compile_function): Unconditionally emit nop.
19768 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19770 * haifa-sched.c (actual_hazard): Move declaration of variable
19771 `this_cost' into the scope where it is used.
19773 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19775 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
19776 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
19777 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
19779 * genrecog.c (make_insn_sequence): Call memset, not bzero.
19781 * jump.c (find_insert_position): Don't declare or define unless
19782 !HAVE_conditional_arithmetic.
19783 (returnjump_p_1, delete_prior_computation): Add static prototypes.
19785 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
19787 * recog.c (offsettable_address_p): Prototype function pointer.
19788 (preprocess_constraints): Call memset, not bzero.
19790 * tree.c (tree_node_kind_names): Constify a char*. Make static.
19791 (gcc_obstack_init): Don't declare.
19792 (fix_sizetype): Add static prototype.
19793 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
19794 (tree_cons): Call memset, not bzero.
19796 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
19797 definition in macro ASM_WEAKEN_LABEL.
19798 (mark_const_hash_entry): Add static prototype.
19800 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19802 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
19804 * unroll.c (find_common_reg_term, subtract_reg_term,
19805 loop_find_equiv_value): Add static prototypes.
19806 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
19807 (copy_loop_body): Remove unreachable break statement.
19809 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
19811 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
19813 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19815 Undo some changes from the gcc2 merge:
19816 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
19817 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
19821 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
19822 * emit-rtl.c (gen_lowpart_common): Disable optimization of
19823 initialized float-int union if the value is a NaN.
19825 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
19827 * gthr-win32.h: New file.
19829 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
19830 shared as a valid attribute.
19831 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
19832 * extend.texi: Document `shared' variable attribute.
19834 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
19836 * configure.in: Handle --enable-threads on FreeBSD.
19837 * configure: Rebuit.
19839 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
19841 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
19843 * configure: Rebuilt.
19845 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
19846 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
19847 Rosimildo DaSilva <rdasilva@connecttel.com>
19849 * configure.in (m68k-*-rtemscoff*): Added.
19850 * configure.in (mips64orion-*-rtems*): Converted to ELF.
19851 * configure.in (sparc-*-rtemsaout*): Added as alias for old
19852 sparc-rtems configuration.
19853 * configure.in (sparc-*-rtemself*): Added.
19854 * configure.in (sparc-*-rtems*): Now ELF not a.out.
19855 * config/i386/rtems.h: Added comment.
19856 * config/sparc/rtemself.h: New file.
19858 * configure.in (m68k-rtemself): Added.
19859 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
19860 and DWARF_DEBUGGING_INFO.
19861 * config/m68k/crti.s: New file.
19862 * config/m68k/crtn.s: New file.
19863 * config/m68k/t-crtstuff: New file.
19864 * config/m68k/rtemself.h: New file.
19866 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
19867 global ctor/dtor and C++ exception handling.
19868 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
19869 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
19871 * config/i386/t-rtems-i386: New File.
19873 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
19875 * stmt.c (expand_end_case): Return right away if the case stack is
19878 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
19880 * Makefile.in (version.c): Remove rule incorrectly brought in from
19883 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
19885 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
19886 * msdos/top.sed: Take into account a prepended $(SHELL) to
19888 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
19890 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
19892 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19894 * regmove.c (fixup_match_1): Don't change an unchanging register.
19895 (stable_but_for_p): Renamed to:
19896 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
19897 Changed all callers.
19899 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
19901 * loop.c (strength_reduce): Don't call reg_used_between_p if the
19902 insn from BL2 is after the insn from BL.
19904 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
19906 * recog.h (INSN_OUTPUT_FORMAT_*): New.
19907 (struct insn_data): Merge `template' and `outfun' into `output'.
19908 Add `output_format'.
19909 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
19910 (struct data): Remove `outfun'; add `output_format'.
19911 (name_for_index): Remove declaration.
19912 (output_insn_data): Handle output formats.
19913 (process_template): Emit the bare array for @.
19914 (gen_expand, gen_split): Set output_format to NONE.
19915 * output.h (get_insn_template): Declare.
19916 * final.c (get_insn_template): New.
19917 (final_scan_insn): Use it.
19918 * toplev.c (compile_file): Likewise.
19920 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19921 * i860/i860.c (output_delayed_branch): Likewise.
19922 (output_delay_insn): Likewise.
19924 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19926 * rtl.c (obstack_alloc_rtx): Removed.
19928 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
19930 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
19932 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
19934 * i386.c (call_insn_operand): Reject const_int.
19935 (expander_call_insn_operand): Use call_insn_operand.
19937 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19939 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
19941 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
19943 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
19944 Use DImode operation.
19946 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
19948 * gcc.c: Include sys/resource.h.
19949 (report_times): New flag.
19950 (execute): If report_times is set, calculate and report the
19951 CPU time consumed by each subprocess.
19953 (rus, prus): New globals.
19954 (option_map): Add --time.
19955 (display_help): Document -time.
19956 (process_command): Set report_times if -time is given.
19957 Turn off -pipe if -time is given.
19959 * invoke.texi: Document new option -time.
19961 * configure.in: Check for getrusage. Check if we have to
19962 prototype getrusage.
19963 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
19964 * configure: Regenerate.
19965 * config.in: Regenerate.
19967 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
19969 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
19972 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
19974 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
19975 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
19976 (nan): Return _thenan_sf or _thenan_df as appropriate.
19977 (L_thenan_sf): Define _thenan_sf.
19978 (L_thenan_df): Define _thenan_df.
19980 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
19981 (DPBIT_FUNCS): Add _thenan_df.
19983 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
19985 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
19988 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19990 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
19993 (lang_specific_driver): Don't take a function pointer parameter.
19994 All callers changed.
19996 * gcc.c: Include gcc.h.
19997 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
19998 lang_specific_extra_outfiles, fatal): Don't declare.
19999 (multilib_defaults_raw): Constify.
20000 (read_specs): Call memset, rather than bzero.
20001 (main): Call return, not exit.
20002 (lookup_compiler): Call memcpy, not bcopy.
20003 (fatal): Make extern.
20005 * cppspec.c: Include gcc.h.
20006 (lang_specific_driver): Initialize variable `quote'. Constify a
20007 char*. All calls to the function pointer parameter now
20008 explicitly call `fatal'.
20010 * gccspec.c (lang_specific_driver): Include gcc.h.
20012 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
20014 * arm.c (note_invalid_constants): Use recog_data.operand_type
20017 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20019 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
20022 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
20023 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
20024 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
20025 reload_secondary_in_reload, reload_secondary_out_reload,
20026 reload_secondary_in_icode, reload_secondary_out_icode,
20027 reload_reg_rtx, reload_when_needed): Delete declarations.
20028 (struct reload): New structure.
20029 (rld): Declare new array.
20030 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
20031 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
20032 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
20033 reload_secondary_in_reload, reload_secondary_out_reload,
20034 reload_secondary_in_icode, reload_secondary_out_icode,
20035 reload_reg_rtx, reload_when_needed): Delete definitions.
20037 (whole file): Replace uses of the deleted arrays with uses of rld.
20038 * reload1.c (whole file): Replace uses of the deleted arrays with
20040 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
20041 explicit loops, not with bcopy.
20043 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
20045 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
20046 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
20047 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
20048 insn_name): Delete and consolidate into new structures.
20049 (insn_operand_predicate_fn): New.
20050 (insn_output_fn): New.
20051 (insn_gen_fn): New.
20052 (struct insn_operand_data): New.
20053 (struct insn_data): New.
20055 (OUT_FCN): Update for insn_data change.
20056 * builtins.c (expand_builtin_strlen): Likewise.
20057 (expand_builtin_memcmp): Likewise.
20058 * combine.c (make_extraction, simplify_comparison): Likewise.
20059 * cse.c (canon_reg, cse_insn): Likewise.
20060 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
20061 * expmed.c (store_bit_field, extract_bit_field): Likewise.
20062 (emit_store_flag): Likewise.
20063 * expr.c (convert_move, emit_block_move): Likewise.
20064 (clear_storage, emit_push_insn, expand_increment): Likewise.
20065 (do_store_flag): Likewise.
20066 * expr.h (GEN_FCN): Likewise.
20067 (insn_gen_function): Die.
20068 * final.c (final_scan_insn): Update for insn_data change.
20069 (output_asm_name): Likewise.
20070 * function.c (fixup_var_refs_1): Likewise.
20071 * loop.c (check_dbra_loop): Likewise.
20072 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
20073 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
20074 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
20075 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
20076 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
20077 * regmove.c (gen_add3_insn): Likewise.
20078 * reload.c (push_secondary_reload, combine_reloads): Likewise.
20079 (find_reloads, find_reloads_address_1): Likewise.
20080 (debug_reload_to_stream): Likewise.
20081 * reload1.c (emit_reload_insns, gen_reload): Likewise.
20082 * stmt.c (expand_end_case): Likewise.
20083 * toplev.c (compile_file): Likewise.
20085 * c4x/c4x.c (c4x_process_after_reload): Likewise.
20086 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
20088 * print-rtl.c (insn_name_ptr): Remove declaration.
20089 (get_insn_name): Declare.
20090 (print_rtx): Use it.
20091 * genoutput.c (insn_name_ptr): Remove.
20092 (next_operand_number): New.
20093 (struct operand_data): New.
20094 (null_operand, odata, odata_end): New.
20095 (struct data): Use struct operand_data.
20096 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
20097 (get_insn_name): Renamed from name_for_index.
20098 (output_prologue): Define NO_MD_PROTOTYPES.
20099 (output_predicate_decls): Break out from output_epilogue.
20100 Iterate over the operands list.
20101 (output_operand_data): Break out from output_epilogue. Emit
20102 just the operands list.
20103 (output_insn_data): Break out from output_epilogue. Emit just
20105 (output_epilogue): Remove.
20106 (output_get_insn_name): New.
20107 (constraints, op_n_alternatives, predicates, address_p): Die.
20108 (modes, strict_low, seen): Die.
20109 (scan_operands): Take new param `d' instead of writing to
20110 seven global variables.
20111 (compare_operands): New.
20112 (place_operands): New.
20113 (validate_insn_alternatives): Update for struct data change.
20114 (gen_insn): Don't zero or copy 7 global arrays. Update for
20115 scan_operands; call place_operands.
20116 (gen_peephole, gen_expand, gen_split): Likewise.
20117 (main): Update for new output routines.
20119 * genattr.c (insn_name_ptr): Remove.
20120 (get_insn_name): New function.
20121 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
20122 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
20123 * genrecog.c: Likewise.
20125 * alpha.md (adddi3): Make `pattern' array static.
20127 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20129 * config/c4x/c4x.h (c4x_rpts_cycles_string,
20130 c4x_cpu_version_string): Constify char *.
20131 * config/c4x/c4x.c (c4x_rpts_cycles_string,
20132 c4x_cpu_version_string): Likewise.
20134 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
20136 * tree.c (save_tree_status): Revert 10 Sep change.
20137 (restore_tree_status): Likewise. Call obstack_free with NULL
20138 before freeing the obstack proper.
20140 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
20142 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
20144 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
20145 surrounding context.
20147 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
20149 * tree.c (type_hash_canon): Put all types in the hash-table, when
20152 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
20154 * recog.h (struct recog_data, recog_data): New.
20155 (recog_foo variables): Kill.
20156 * recog.c (recog_operand, recog_operand_loc): Kill.
20157 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
20158 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
20159 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
20160 (recog_data): Define.
20161 (extract_insn): Update all recog_foo references to use recog_data.
20162 (preprocess_constraints, constrain_operands): Likewise.
20163 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
20164 * genattrtab.c (main): Likewise.
20165 * genextract.c (main): Likewise.
20166 * genoutput.c: Likewise.
20167 * genrecog.c (write_subroutine, main): Likewise.
20168 * local-alloc.c (block_alloc): Likewise.
20169 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
20170 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
20171 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
20172 * reload.c (find_reloads, find_reloads_toplev): Likewise.
20173 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
20174 (reload_cse_simplify_operands): Likewise.
20176 * arc/arc.c (arc_final_prescan_insn): Likewise.
20177 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
20178 * h8300/h8300.c (notice_update_cc): Likewise.
20179 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
20180 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
20181 * mn10200/mn10200.c (notice_update_cc): Likewise.
20182 * mn10300/mn10300.c (notice_update_cc): Likewise.
20183 * romp/romp.c (update_cc): Likewise.
20184 * sparc/sparc.c (check_pic): Likewise.
20185 * v850/v850.c (notice_update_cc): Likewise.
20187 * genemit.c (main): Don't declare recog_operand.
20189 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
20191 * ggc.h (rtvec_def): Forward declare.
20192 (tree_node): Likewise.
20193 (ggc_root): Define.
20195 (ggc_set_mark_rtx): Add prototype.
20196 (ggc_set_mark_rtvec): Likewise.
20197 (ggc_set_mark_tree): Likewise.
20198 * ggc-simple.c (ggc_root): Don't define.
20199 (roots): Don't declare.
20200 (ggc_mark_rtx): Remove.
20201 (ggc_mark_rtvec): Likewise.
20202 (ggc_mark_tree): Likewise.
20203 (ggc_mark_varray): Likewise.
20204 (ggc_mark_tree_hash_table_entry): Likewise.
20205 (ggc_mark_tree_hash_table): Likewise.
20206 (ggc_set_mart_rtx): New function.
20207 (ggc_set_mark_rtvec): Likewise.
20208 (ggc_set_mark_tree): Likewise.
20209 (ggc_add_root): Remove.
20210 (ggc_add_rtx_root): Likewise.
20211 (ggc_remove_tree_root): Likewise.
20212 (ggc_add_string_root): Likewise.
20213 (ggc_add_tree_varray_root): Likewise.
20214 (ggc_add_tree_hash_table_root): Likewise.
20215 (ggc_del_root): Likewise.
20216 (ggc_mark_rtx_ptr): Likewise.
20217 (ggc_mark_tree_ptr): Likewise.
20218 (ggc_mark_string_ptr): Likewise.
20219 (ggc_mark_tree_varray_ptr): Likewise.
20220 (ggc_mark_tree_hash_table_ptr): Likewise.
20221 * ggc-common.c: New file.
20222 * Makefile.in (OBJS): Add ggc-common.o.
20223 (ggc-common.o): List dependencies.
20225 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
20227 * cppalloc.c (xstrdup): Use memcpy.
20228 * cpperror.c (cpp_print_containing_files): Don't use
20230 * cpplib.c (conditional_skip): Set temp->lineno.
20231 (do_endif): Make error message less obscure.
20232 (if_directive_name): New function.
20233 (cpp_get_token [case EOF]): Unwind the if stack and generate
20234 error messages for each unterminated conditional in this file.
20235 (parse_string): Do not behave differently if -traditional.
20237 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
20239 * builtins.c (expand_builtin_va_arg): Cope with an array-type
20240 va_list decomposing to pointer-type.
20241 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
20242 (rs6000_va_arg): Likewise.
20244 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
20246 * except.c (start_dynamic_handler): Compute size using
20247 STACK_SAVEAREA_MODE.
20249 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20251 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
20252 include directory headers. Don't define strrchr. Don't provide
20253 my_* replacement functions. Prefer PTR over `pointer_type'.
20254 Don't prototype system functions. Don't redefine getopt.
20256 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
20257 safe_read, safe_write, save_pointers, restore_pointers,
20258 is_id_char, in_system_include_dir, directory_specified_p,
20259 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
20260 find_corresponding_lparen, referenced_file_is_newer,
20261 save_def_or_dec, munge_compile_params, gen_aux_info_file,
20262 process_aux_info_file, identify_lineno, check_source,
20263 seek_to_line, forward_to_next_token_char, output_bytes,
20264 output_string, output_up_to, other_variable_style_function,
20265 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
20266 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
20267 find_static_definition, connect_defs_and_decs, add_local_decl,
20268 add_global_decls, needs_to_be_converted, visit_each_hash_node,
20269 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
20270 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
20271 scan_for_missed_items, edit_file, string_list_cons): Add static
20273 (standard_exec_prefix, target_machine, target_version,
20274 default_syscalls_dir, string_list, string_list_cons, find_file,
20275 do_cleaning): Constify a char*.
20276 (safe_read, safe_write): Use PTR, not a char*.
20277 (is_id_char): Take an int, not a char.
20278 (main): Add prototype. Call return, not exit.
20280 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
20282 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
20283 when comparing types.
20285 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
20287 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
20288 (strength_reduce): Release the varrays from the no-bivs early exit.
20290 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
20291 the loop over the registers.
20293 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
20295 (restore_tree_status): Check that instead when freeing the obstack.
20297 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
20299 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
20302 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20304 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
20305 operand size modifiers.
20307 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20309 * c-common.c (c_common_nodes_and_builtins): Don't build
20311 * c-common.h (enum c_tree_index and related accesor macros): Remove
20312 everything now declared in tree.h.
20313 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20314 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
20315 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
20316 (error_mark_node, void_type_node, char_type_node, integer_type_node,
20317 unsigned_type_node, ptr_type_node, va_list_type_node,
20318 integer_zero_node, null_pointer_node, integer_one_node): Delete.
20319 (init_decl_processing): Call build_common_tree_nodes and
20320 build_common_tree_nodes_2 instead of building their nodes here.
20321 Don't add roots for these nodes.
20322 * stor-layout.c (size_zero_node, size_one_node): Delete.
20323 (set_sizetype): Make a new node for bitsizetype each time.
20324 * tree.c (global_trees): New variable.
20325 (init_obstacks): Add a gc root for it.
20326 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20327 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
20328 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
20329 (build_common_tree_nodes): New function.
20330 (fix_sizetype): New function.
20331 (build_common_tree_nodes_2): New function.
20332 * tree.h (enum tree_index): New.
20333 (global_trees): Declare.
20334 Add accessor macros for all nodes now moved to global_trees.
20335 Delete their declarations.
20337 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
20339 * c-decl.c (finish_function): When processing a nested function,
20340 push and pop GC context around rest_of_compilation.
20342 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
20344 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
20345 Default ix86_arch to PROCESSOR_I386.
20346 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
20347 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
20348 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
20349 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
20350 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
20351 (EXTRA_SPECS): Remove deleted specs.
20353 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
20355 * function.c (assign_stack_local_1): Allocate from
20356 function->x_frame_offset, not frame_offset.
20358 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
20360 * ggc.h (lang_cleanup_tree): Remove.
20361 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
20362 * ggc-callbacks.c (lang_cleanup_tree): Remove.
20364 * c-decl.c (finish_struct): Use ggc_alloc to allocate
20365 TYPE_LANG_SPECIFIC when garbage collecting.
20366 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
20367 (lang_cleanup_tree): Remove.
20369 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
20371 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
20372 * crtstuff.c: Not here.
20373 * dwarf2out.c: Or here.
20374 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
20377 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
20379 * function.h (free_after_compilation): Remove decl parameter.
20380 (free_varasm_status0: Likewise.
20381 (free_emit_status): Likewise.
20382 (free_stmt_status): Likewise.
20383 (free_after_compilation): Likewise.
20384 (init_lang_status): New variable.
20385 (free_lang_status): Likewise.
20386 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
20387 * function.c (init_lang_status): New variable.
20388 (free_lang_status): Likewise.
20389 (push_function_context_to): Don't set function::decl here.
20390 (free_after_copmilation): Make decl parameter implicit. Call
20391 free_lang_status if defined.
20392 (prepare_function_start): Call init_lang_status if defined.
20393 (init_function_start): Set function::decl here.
20394 * profile.c (output_func_start_profiler): Don't call pushdecl
20395 until we've actually started the function.
20396 * stmt.c (free_stmt_status): Make decl parameter implicit.
20397 * toplev.c (rest_of_compilation): Don't pass decl to
20398 free_after_compilation.
20399 * varasm.c (free_varasm_status): Likewise.
20401 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20403 * except.c (call_get_eh_context): Add root when allocating static
20406 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
20408 * arm.c: Include "ggc.h".
20409 (arm_add_gc_roots): New function.
20410 (arm_override_options): Call it.
20411 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
20413 * arm.md (define_asm_attributes): Add a pool_range attribute.
20415 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
20417 * extend.texi (Volatiles): New node.
20419 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
20421 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
20422 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
20423 (struct ggc_any): Replace `mark' with `magic_mark'.
20424 (ggc_alloc_string): Use memcpy, not bcopy.
20425 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
20426 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
20427 (ggc_free_any): New.
20428 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
20429 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
20430 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
20431 Use IS_MARKED. Use ggc_free_any.
20433 1999-09-09 Scott Bambrough <scottb@netwinder.org>
20435 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
20437 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
20439 * toplev.c (main): Always init_ggc.
20441 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
20443 * except.c (find_all_handler_type_matches): Free the list if
20444 we found no matches.
20446 * combine.c (SUBST): Break out to a real function do_SUBST.
20447 (SUBST_INT): Likewise.
20448 * gcse.c (free_pre_mem): Free `temp_bitmap'.
20449 (pre_insert): Free `inserted'.
20450 * loop.c (basic_induction_var): Always set `location'.
20452 * function.c (expand_function_end): Add initial_trampoline as a root.
20453 * rtl.h (init_varasm_once): Declare.
20454 * toplev.c (compile_file): Call it.
20455 * ggc-simple.c (ggc_mark_string_ptr): New.
20456 (ggc_add_string_root): New.
20457 (ggc_collect): Disable collection avoidance temporarily.
20458 * ggc.h (ggc_add_string_root): Declare.
20459 * except.c (create_rethrow_ref): Use ggc_alloc_string.
20460 * optabs.c (init_libfuncs): Likewise.
20461 * varasm.c (named_section): Use ggc_alloc_string.
20462 (make_function_rtl): Likewise.
20463 (make_decl_rtl): Likewise.
20464 (assemble_static_space): Likewise.
20465 (assemble_trampoline_template): Likewise.
20466 (output_constant_def): Likewise.
20467 (force_const_mem): Likewise.
20468 (mark_const_hash_entry): New.
20469 (mark_pool_sym_hash_table): New.
20470 (mark_varasm_state): Use it.
20471 (init_varasm_once): New.
20473 * expr.h (init_one_libfunc): Declare.
20474 * optabs.c (init_one_libfunc): New.
20475 (init_optabs): Use it.
20476 * config/gofast.h: Likewise.
20477 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
20478 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
20480 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
20482 * Makefile.in (cppexp.o): Depend on cpphash.h.
20483 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
20485 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
20486 * cpplib.c (do_define): Generalise to handle poisoned definitions,
20487 redefining poisoned identifiers, etc.
20488 (do_undef): Don't allow poisoned identifiers to be undefined.
20489 (do_pragma): Add #pragma poison.
20490 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20492 * cccp.c: Add T_POISON node type.
20493 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
20495 (do_define): Generalise to handle poisoned definitions,
20496 redefining poisoned identifiers, etc.
20497 (do_undef): Don't allow poisoned identifiers to be undefined.
20498 (do_pragma): Add #pragma poison.
20499 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20501 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
20502 * c-pragma.h: Add ps_poison state. We now always have generic
20505 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
20507 * ggc.h (ggc_alloc): New function.
20508 (ggc_mark): Likewise.
20509 * ggc-simple.c (ggc_any): New structure.
20510 (ggc_status): Add anys.
20511 (n_anys_collected): New variable.
20512 (ggc_alloc): Define.
20513 (ggc_mark): Likewise.
20514 (ggc_collect): Collect the anys.
20516 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20518 * c-decl.c (mark_binding_level): Make static to match prototype.
20520 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
20522 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
20524 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
20526 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
20527 will use into account. Expand the max width to 5.
20530 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
20532 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
20533 for the rtx length.
20535 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
20537 * alpha.md (call value patterns): Remove the result predicates.
20539 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
20541 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
20544 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20546 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
20547 changed from extern char *, to extern PTR. Also fix typo in
20548 NEED_DECLARATION_REALLOC test.
20550 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
20552 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20554 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
20555 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
20556 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
20557 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
20559 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
20561 * cccp.c (pcfinclude): Likewise.
20563 * global.c (allocno_compare): Likewise.
20565 * haifa-sched.c (rank_for_schedule): Likewise.
20567 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
20569 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
20571 * stupid.c (stupid_reg_compare): Likewise.
20573 * tree.c (_obstack_allocated_p): Likewise.
20575 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
20577 1999-09-08 Bruce Korb autogen@linuxbox.com
20579 * Makefile.in: Give the hapless gperf user a hint about
20580 why "gperf -F" fails.
20582 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
20584 * lists.c: Include ggc.h.
20586 (init_EXPR_INSN_LIST_cache): Install it.
20588 * ggc-simple.c (init_ggc): Absorb the old init.
20589 (ggc_push_context): Use xcalloc.
20590 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
20591 (ggc_collect): Add [rvts] tags to the collection stats.
20593 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
20595 * cccp.c (main): Fix handling of -include and -imacros options.
20597 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
20599 * cpplib.c (cpp_push_buffer): Fix order of arguments.
20601 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20603 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
20606 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
20608 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
20609 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
20610 and SET_DEST. Update comment.
20612 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20614 * config/c4x/c4x.c: Include ggc.h.
20615 (c4x_add_gc_roots): New function.
20616 (c4x_override_options): Call c4x_add_gc_roots.
20618 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
20620 * defaults.h (TARGET_ESC): Move ...
20621 * system.h: ... here, where Linas had it in the first place. Silly me.
20623 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
20625 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
20626 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
20627 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
20628 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
20629 * defaults.h (TARGET_ESC): Add default.
20631 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
20633 * configure.in: add i370-*-openedition, i370-*-mvs and
20634 i370-*-linux targets
20636 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
20638 * dsp16xxx.c: Include ggc.h
20639 (override_options): Mark GC roots.
20640 * mn10200.c: Include ggc.h.
20641 (asm_file_start): Mark GC roots.
20642 * tahoe.c: Include ggc.h.
20643 (extensible_operand): Mark GC roots.
20645 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
20647 * README: Add section discussing status of ELF ABI.
20648 * i370.c: Fix misc spelling mistakes.
20649 (i370_label_scan): Updated notes, exception handling.
20650 (i370_function_prolog): Simplify ELF stack handling.
20651 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
20652 (STACK_GROWS_DOWNWARD): ELF stack grows down.
20653 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
20654 * i370.md: (movdi): Add notes.
20655 (floatsidf2): Use stack not rtca for scratch float area.
20656 (iorsi3): Correct operand constraints.
20657 * x-oe: Restore TAROUTOPTS which are used by pax.
20659 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
20661 * rs6000.c: Include ggc.h.
20662 (rs6000_add_gc_roots): New function.
20663 (override_options): Call it.
20665 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
20667 * alpha.h (alpha_compare): New.
20668 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
20669 * alpha.c: Likewise for the definitions.
20670 (alpha_emit_conditional_branch): Update for alpha_compare.
20671 (alpha_emit_conditional_move): Likewise.
20672 * alpha.md (cmpdf, cmpdi): Likewise.
20673 (setcc patterns): Likewise. Zero alpha_compare after use.
20674 (sne): Optimize (x != 0) into (0U < x).
20676 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
20678 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
20679 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
20680 (INIT_EXPANDERS): Remove.
20681 * alpha.c: Include ggc.h.
20682 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
20683 (alpha_init_machine_status, alpha_mark_machine_status): New.
20684 (override_options): Install them.
20685 (struct machine_function): Moved to alpha.h.
20686 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
20687 (alpha_init_expanders): Remove.
20688 (alpha_return_addr): Adjust to use current_function->machine.
20689 (alpha_ra_ever_killed): Likewise.
20690 (alpha_expand_epilogue): Likewise.
20691 * alpha.md (eh_epilogue): Likewise.
20693 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
20694 Melissa O'Neill <oneill@cs.sfu.ca>
20695 Geoffrey Keating <geoffk@cygnus.com>
20697 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
20698 call-used registers (call-saved registers must still be contiguous
20699 and end with r31, of course).
20701 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
20703 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
20704 (self_promoting_type_p): Delete.
20705 (self_promoting_args_p): Move ...
20706 * c-common.c: ... here.
20707 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
20708 (simple_type_promotes_to): New.
20709 * builtins.c (lang_type_promotes_to): New.
20710 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
20711 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
20712 * c-common.h: ... here.
20713 (self_promoting_args_p, simple_type_promotes_to): Declare.
20714 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
20715 (grokdeclarator): Likewise.
20716 * tree.h (lang_type_promotes_to): Declare.
20718 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
20720 Add some machine-dependent GC roots.
20721 * sparc.c: Include ggc.h.
20722 (sparc_add_gc_roots): New function.
20723 (mark_ultrasparc_pipeline_state): Likewise.
20724 (override_options): Call sparc_add_gc_roots.
20725 * pa.c: Include ggc.h.
20726 (pa_add_gc_roots): New function.
20727 (mark_deferred_plabels): Likewise.
20728 (override_options): Call pa_add_gc_roots.
20729 * mips.c: Include ggc.h.
20730 (mips_add_gc_roots): New function.
20731 (override_options): Use it.
20733 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20735 * cpperror.c (cpp_file_line_for_message): Constify a char*.
20737 * cppexp.c (parse_number, parse_charconst, cpp_lex,
20738 cpp_parse_expr): Add static prototypes.
20739 (parse_charconst): Don't cast away const-ness.
20740 (token): Constify a char*.
20742 * cppfiles.c (file_name_list, include_hash, find_include_file,
20743 finclude, initialize_input_buffer): Constify a char*.
20744 (file_cleanup, find_position): Add static prototypes.
20746 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
20747 collect_expansion): Add static prototypes.
20748 (cpp_install, create_definition, monthnames): Constify a char*.
20750 * cpphash.h (cpp_install): Likewise.
20752 * cppinit.c (known_suffixes, default_include,
20753 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
20754 (base_name, dump_special_to_buffer, initialize_dependency_output):
20755 Add static prototypes.
20757 * cpplib.c (my_strerror): Constify a char*.
20758 (null_underflow, null_cleanup, skip_comment, copy_comment,
20759 copy_rest_of_line, handle_directive, pass_thru_directive,
20760 get_directive_token, read_line_number, cpp_print_file_and_line,
20761 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
20762 v_cpp_warning_with_line, detect_if_not_defined,
20763 consider_directive_while_skipping): Add static prototypes.
20764 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
20765 cpp_pedwarn_with_file_and_line): Constify a char*.
20767 * cpplib.h (cpp_options, include_hash, progname, definition,
20768 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
20769 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
20770 find_include_file, deps_output, include_hash): Constify a char*.
20772 * cppmain.c (progname): Constify.
20773 (main): Add prototype. Use return, not exit.
20775 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
20776 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
20777 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
20778 check_protection): Add static prototype.
20780 (progname, recognized_macrom, recognized_extern): Constify a char*.
20781 (main): Add prototype.
20783 * gen-protos.c (progname): Constify a char*.
20785 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
20787 * emit-rtl.c (free_emit_status): Take decl as a parameter.
20788 (init_emit_once): Add more GC roots.
20789 * except.c (mark_func_eh_entry): New function.
20790 (mark_eh_node): Mark false_label and rethrow_label.
20791 (init_eh): Add more GC roots.
20792 * function.c (free_after_compilation): Take decl as a paramter.
20793 Call free_stmt_status.
20794 (mark_function_state): Don't assume x_parm_reg_stack_loc is
20796 * function.h (free_after_compilation): Change prototype.
20797 (free_varasm_status): Likewise.
20798 (free_emit_status): Likewise.
20799 (free_stmt_status): New function.
20800 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
20801 Remove, replacing with ...
20802 (ggc_status): New structure.
20803 (ggc_chain): New variable.
20804 (init_gcc): Define.
20805 (ggc_push_context): New function.
20806 (ggc_pop_context): Likewise.
20807 (ggc_alloc_rtx): Adjust for use of ggc_chain.
20808 (ggc_alloc_rtvec): Likewise.
20809 (ggc_alloc_tree): Likewise.
20810 (ggc_alloc_string): Likewise.
20811 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
20812 (ggc_mark_tree): Give language-dependent code a chance to mark
20814 (ggc_mark_tree_varray): Handle empty arrays.
20815 (ggc_collect): Adjust for use of ggc_chain. Clear
20816 bytes_alloced_since_last_gc.
20817 * ggc.h (ggc_pop_context): New function.
20818 (ggc_push_context): Likewise.
20819 * print-tree.c (print_node): Don't print obstacks when GC'ing.
20820 * stmt.c (free_stmt_status): New function.
20821 (init_stmt_for_function): Clear last_expr_value.
20822 * toplev.c (rest_of_compilation): Always call free_after_compilation.
20823 Conditionalize call to ggc_collect.
20824 (main): Call init_ggc.
20825 * tree.c (push_obstacks): Do the push, even when GC'ing.
20826 (push_obstacks_nochange): Likewise.
20827 (pop_obstacks): Liekwise.
20828 * varasm.c (free_varasm_status): Take decl as a parameter.
20830 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
20832 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
20833 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
20834 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
20835 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
20837 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
20839 * pa/x-pa-mpeix: New file for the MPE port.
20841 * pa/quadlib.asm: New file for long double support.
20843 * configure.in: Add hppa1.0-*-mpeix for MPE port.
20844 * configure: Rebuilt.
20846 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
20848 * final.c (shorten_branches): Fix last change.
20850 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
20852 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
20854 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
20856 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
20859 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20861 * c-aux-info.c (concat): Don't define.
20863 * cccp.c (my_strerror): Likewise. All callers changed to use
20865 (do_include): Call xstrdup, not xmalloc/strcpy.
20866 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
20867 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
20869 * collect2.c (my_strsignal): Likewise. All callers changed to use
20871 (locatelib): Call xstrdup, not xmalloc/strcpy.
20873 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
20875 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
20877 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
20879 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
20881 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
20883 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
20885 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
20887 (find_all_handler_type_matches): Likewise. Don't check return
20889 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
20890 xmalloc, not malloc.
20891 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
20893 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
20894 (init_spec): Call xcalloc, not xmalloc/bzero.
20895 (set_spec): Call xstrdup, not save_string.
20896 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
20897 (find_a_file): Call xstrdup, not xmalloc/strcpy.
20898 (process_command): Call xstrdup, not save_string.
20899 (main): Call xcalloc, not xmalloc/bzero.
20901 * gcov.c (xmalloc): Don't define.
20902 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
20903 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
20904 (output_data): Call xcalloc, not xmalloc/bzero.
20906 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
20908 * mips-tdump.c (xmalloc): Don't define.
20909 (print_symbol): Call xmalloc, not malloc.
20910 (read_tfile): Call xcalloc, not calloc.
20912 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
20913 Don't define. All callers of xfree/my_strsignal changed to use
20914 free/strsignal instead.
20915 (allocate_cluster): Call xcalloc, not calloc.
20917 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
20918 Fix memory leak, free allocated memory.
20920 * prefix.c (translate_name): Call xstrdup, not save_string.
20921 (update_path): Likewise.
20923 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
20925 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
20926 Don't define. Callers of xfree/savestring2 changed to use
20927 free/concat instead.
20929 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
20930 (init_elim_table): Likewise.
20932 * resource.c (init_resource_info): Likewise.
20934 * stupid.c (stupid_life_analysis): Likewise.
20936 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
20937 (open_dump_file): Call concat, not xmalloc/strcpy/...
20938 (clean_dump_file): Likewise.
20939 (compile_file): Call xstrdup, not xmalloc/strcpy.
20941 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
20943 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
20944 * v850.c (v850_va_arg): New.
20946 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20948 * haifa-sched.c: Tidy comments.
20950 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20952 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
20953 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
20954 $(out_object_file)): Depend on ggc.h.
20955 * c-common.c: Include "ggc.h".
20956 (combine_strings): If doing GC, use ggc_alloc_string.
20957 * c-decl.c: Include "ggc.h".
20958 (ggc_p): Define with value 0.
20959 (mark_binding_level): New function.
20960 (init_decl_processing): Add GC roots.
20961 (mark_c_function_context): New function.
20962 (lang_mark_false_label_stack): New function.
20963 (lang_mark_tree): New function.
20964 (lang_cleanup_tree): New function.
20965 * c-lang.c: Include "ggc.h".
20966 (lang_init): Call c_parse_init.
20967 * c-lex.c: Include "ggc.h".
20968 (check_linenum): If doing GC, don't copy filenames to permanent
20970 * c-parse.in: Include "ggc.h".
20971 (c_parse_init): New function.
20972 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
20973 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
20975 * except.c (mark_eh_state): Mark more state.
20976 * function.c (mark_function_state): Likewise.
20977 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
20978 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
20979 * toplev.c (mark_file_stack): New function.
20980 (compile_file): If doing GC, use ggc_alloc_string on input filename.
20981 (main): Add root for input_file_stack.
20983 * i386.c: Include "ggc.h".
20984 (ix86_mark_machine_status): New function.
20985 (override_options): Set mark_machine_status.
20987 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20989 * tree.c (copy_node): Copy node contents also if doing GC.
20991 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20993 * collect2.c (scan_libraries): Fix double-thinko :-).
20995 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
20997 * collect2.c (scan_libraries): Fix thinko.
20999 * cse.c (delete_trivially_dead_insns): Do not skip the last
21000 insn if it is a real insn.
21002 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
21004 * Makefile.in (ggc-simple.o): Depend on hash.h.
21005 * ggc.h (ggc_add_tree_hash_table_root): Declare.
21006 (ggc_mark_tree_varray): Likewise.
21007 (ggc_mark_tree_hash_table): Likewise.
21008 * ggc-simple.c: Include hash.h.
21009 (ggc_mark_tree_hash_table_ptr): New function.
21010 (ggc_mark_tree_hash_table_entry): Likewise.
21011 (ggc_mark_tree_hash_table): Likewise.
21012 (ggc_add_tree_hash_table_root): Likewise.
21013 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
21014 rtx, when defining fields.
21016 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
21018 * profile.c (output_func_start_profiler): Remove apparently
21019 nonsensical call to start_sequence.
21021 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
21023 * clipper/clipper.c (clipper_va_start): Fix typos.
21025 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
21026 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
21027 (spur_va_arg): New stub.
21029 * configure.in: Comment out pyramid.
21031 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
21033 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
21034 don't conflict with the bits that win32, cygwin, and dgux
21037 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
21038 Bernd Schmidt <bernds@cygnus.co.uk>
21040 * integrate.c (function_cannot_inline_p): Do not inline
21041 functions with forced labels.
21043 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
21044 Bernd Schmidt <bernds@cygnus.co.uk>
21045 Mark Mitchell <mark@codesourcery.com>
21047 * Makefile.in (ggc-simple.o): Depend on varray.h.
21048 (rtl.o): Depend on ggc.h.
21049 (genattrtab.o): Depend on ggc.h.
21050 (print-tree.o): Likewise.
21051 (fold-const.o): Likewise.
21052 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
21053 (make_insn_raw): Don't cache insns when GC'ing.
21054 (emit_insn_before): Likewise.
21055 (emit_insn_after): Likewise.
21056 (emit_insn): Likewise.
21057 (start_sequence): Use xmalloc to allocate the sequence_stack.
21058 (end_sequence): Add free to free it.
21059 (gen_sequence): Don't cache insns when GC'ing.
21060 (clear_emit_caches): Don't use sequence_element_free_list.
21061 (init_emit): Use xcalloc, not xmalloc+bzero.
21062 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
21063 * function.c (pop_function_context_from): Use free to free the
21064 fixup_var_refs_queue.
21065 (put_reg_into_stack): Allocate it with xmalloc.
21066 * genattrtab.c: Include ggc.h.
21067 (operate_exp): Don't use obstack_free when GC'ing.
21068 (simplify_cond): Likewise.
21069 (simplify_text_exp): Likewise.
21070 (optimize_attrs): Likewise.
21071 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
21073 (gencode): Generate a #include for ggc.h.
21074 * ggc-callbacks.c (ggc_p): Define it to zero.
21075 * ggc-none.c (ggc_p): Likewise.
21076 * ggc-simple.c: Include varray.h.
21077 (ggc_mark_tree_varray): New function.
21078 (ggc_add_tree_varray_root): Likewise.
21079 (ggc_mark_tree_varray_ptr): Likewise.
21080 * ggc.h (ggc_p): Declare.
21081 (varray_head_tag): Likewise.
21082 (ggc_add_tree_varray_root): Declare.
21083 * print-tree.c (print_node): Don't check for TREE_PERMANENT
21084 inconsistencies when GC'ing.
21085 * rtl.c: Include ggc.h.
21086 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
21087 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
21088 (rtx_free): Don't call obstack_free when GC'ing.
21089 * toplev.c (rest_of_compilation): Call ggc_collect after every
21091 * tree.c (push_obstacks): Do nothing, if GC'ing.
21092 (pop_obstacks_nochange): Likewise.
21093 (pop_obstacks): Likewise.
21094 (make_node): Use ggc_alloc_tree when GC'ing.
21095 (copy_node): Likewise.
21096 (get_identifier): Use ggc_alloc_string when GC'ing.
21097 (build_string): Likewise.
21098 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
21099 (tree_cons): Likewise.
21100 (build1): Likewise.
21101 (type_hash_canon): Don't call obstack_free when GC'ing.
21103 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
21105 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
21106 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
21108 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
21109 Bernd Schmidt <bernds@cygnus.co.uk>
21110 Mark Mitchell <mark@codesourcery.com>
21112 * Makefile.in (stor-layout.o): Depend on ggc.h.
21113 (expr.o): Depend on ggc.h.
21114 (profile.o): Depend on ggc.h.
21115 (stor-layout.o): Depend on ggc.h.
21116 * emit-rtl.c (init_emit_once): Add gc roots.
21117 * expr.c: Include ggc.h.
21118 (emit_block_move): Add gc roots.
21119 (clear_storage): Likewise.
21120 * expr.h (init_stor_layout_once): New function.
21121 * profile.c: Include ggc.h.
21122 (init_arc_profiler): profiler_label is a root.
21123 * scan.c (make_sstring_space): Trust xrealloc to function
21124 correctly with first parameter NULL.
21125 * stor-layout.c: Include ggc.h.
21126 (set_sizetype): Add gc root.
21127 (init_stor_layout_once): New function.
21128 * toplev.c (compile_file): Call it.
21130 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
21131 Bernd Schmidt <bernds@cygnus.co.uk>
21132 Mark Mitchell <mark@codesourcery.com>
21134 * Makefile.in (tree.o): Depend on ggc.h.
21135 (varasm.o): Likewise.
21136 (function.o): Likewise.
21137 (stmt.o): Likewise.
21138 (except.o): Likewise.
21139 (optabs.o): Likewise.
21140 (emit-rtl.o): Likewise.
21141 * emit-rtl.c: Include ggc.h.
21142 (sequence_element_free_list): Remove, and all references.
21143 (mark_sequence): New functions.
21144 (mark_emit_state): New function.
21145 * except.c: Include ggc.h.
21146 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
21147 (mark_tree_label_node): New functions.
21148 (mark_eh_state): New function.
21149 * function.c: Include ggc.h.
21150 (mark_temp_slot, mark_function_chain): New functions.
21151 (mark_function_state): New function.
21152 (init_function_once): New function.
21153 * function.h (init_function_once): New function.
21154 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
21155 * ggc.h (label_node): Declare.
21156 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
21157 (lang_mark_false_label_stack): New function.
21158 (mark_temp_slot): Remove declaration.
21159 (mark_function_chain): Likewise.
21160 (mark_eh_state): Adjust prototype.
21161 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
21163 * optabs.c: Include ggc.h.
21164 (mark_optab): New function.
21165 (init_optabs): Add gc roots.
21166 * stmt.c: Include ggc.h.
21167 (mark_cond_nesting, mark_loop_nesting): New functions.
21168 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
21169 (mark_stmt_state): New function.
21170 * toplev.c (compile_file): Call init_function_once.
21171 * tree.c: Include ggc.h.
21172 (type_hash): Move declaration earlier in file.
21173 (TYPE_HASH_SIZE, type_hash_table): Likewise.
21174 (init_obstacks): Add gc roots.
21175 (mark_type_hash): New function.
21176 * varasm.c: Include ggc.h.
21177 (mark_pool_constant): New function.
21178 (mark_varasm_state): New function.
21180 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21182 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
21184 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21186 * c-decl.c (struct language_function): Renamed from struct c_function.
21188 (c_function_chain): Delete.
21189 (push_c_function_context): New arg F. Don't warn about nested
21190 functions here. Fill LANGUAGE elt of F. Delete code to update
21191 c_function_chain. Don't call push_function_context.
21192 (pop_c_function_context): New arg F. Restore from there instead of
21193 from c_function_chain. Don't call pop_function_context. Clear out
21194 LANGUAGE field of F when done.
21195 * c-lang.c: Include "function.h"
21196 (lang_init): Initialize save_lang_status and restore_lang_status.
21197 * c-parse.in (nested_function, nested_function_notype): Warn about
21198 nested functions. Call push_function_context/pop_function_context
21199 instead of the _c_ variants.
21200 * c-tree.h (push_c_function_context, pop_c_function_context): Update
21202 * Makefile.in (c-lang.o): Update dependencies.
21204 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
21205 regno_pointer_flag, regno_pointer_align.
21206 (gen_reg_rtx): Use xrealloc to enlarge them.
21207 (free_emit_status): New function.
21208 * function.c (mark_machine_status, mark_lang_status): New variables.
21209 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
21210 in some bits from assign_stack_local. All callers changed to use new
21212 (assign_stack_local): Just call assign_stack_local_1.
21213 (free_after_compilation): New function.
21214 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
21215 (trampoline_address): Likewise.
21216 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
21217 (prepare_function_start): Explicitly clear some more variables.
21218 * function.h (struct function): New elt can_garbage_collect.
21219 (mark_machine_status, mark_lang_status): Declare variables.
21220 (free_after_compilation, free_emit_status, free_varasm_status,
21221 init_varasm_status): Declare functions.
21222 * toplev.c (rest_of_compilation): Call free_after_compilation when
21223 done with the current function.
21224 * varasm.c (free_varasm_status): New function.
21226 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
21228 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
21229 (EXPAND_BUILTIN_VA_ARG): Define.
21230 * sparc.c (sparc_va_start): New.
21231 (sparc_va_arg): New.
21233 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21235 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
21237 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21239 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
21241 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
21243 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
21244 (OBJS): Add $(GGC).
21245 (ggc-callbacks.o): New target.
21246 * ggc-callbacks.c: New file.
21248 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21250 * expr.h: Collapse individual optab and libfunc vars to arrays.
21251 (optab_index, libfunc_index): New enumerations.
21252 (optab_table, libfunc_table): New arrays.
21253 Add accessor macros for both.
21255 * optabs.c (optab_table, libfunc_table): New.
21256 Delete declarations for individual optab and libfunc vars.
21258 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
21260 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
21262 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
21264 * Makefile.in (GGC, GGC_LIB): New.
21265 (HOST_RTL): Include ggc-none.o.
21266 (ggc-simple.o): New target.
21267 (ggc-none.o): Likewise.
21268 * tree.h (tree_common): Add gc_mark.
21269 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
21270 (struct rtvec_def): Add gc_mark.
21271 * emit-rtl.c (global_rtl): Update static initializers to contain
21272 enough initializers.
21273 * ggc.h, ggc-none.c, ggc-simple.c: New files.
21274 * toplev.c (gc_time): New variable.
21275 (all_time): New variable.
21276 (compile_file): Print gc time.
21277 (print_time): Calculate percentage of the whole.
21279 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21281 Change obstack memory management and varasm constant pool handling so
21282 that nested functions are treated like any other functions.
21283 * function.c (init_machine_status): New variable.
21284 (push_function_context_to): Set contains_functions for the outer
21285 function. Don't call save_varasm_status.
21286 (pop_function_context_from): Don't call restore_varasm_status. Don't
21287 set current_function_contains_functions.
21288 (prepare_function_start): Call init_varasm_status rather than
21289 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
21291 * function.h (struct function) Add field varasm. Delete fields
21292 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
21293 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
21294 (init_machine_status): Declare.
21295 (save_varasm_status, restore_varasm_status): Delete declarations.
21296 (save_tree_status, restore_tree_status): Delete last argument.
21297 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
21298 code. All callers changed.
21299 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
21300 save_constants_in_decl_trees, restore_constants, save_constants,
21301 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
21303 (inlining): New variable.
21304 (reg_map, label_map, insn_map, orig_asm_operands_vector,
21305 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
21307 (save_for_inline_nocopy): Don't save constants.
21308 Don't set inl_emit field in current_function.
21309 (expand_inline_function): Use emit field, not inl_emit, of the inlined
21310 function. Set new variable inlining before
21311 calling copy_rtx_and_substitute.
21312 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
21313 constant pool references if inlining is nonzero.
21314 Delete ADDRESS and (most of the) CONST cases.
21315 (output_inline_function): Save and restore current_function/
21316 current_function_decl. Delete restore_constants code. Don't call
21317 init_const_rtx_hash_table.
21318 * output.h (init_const_rtx_hash_table): Don't declare.
21319 * rtl.h (struct function): Declare.
21320 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
21321 * toplev.c (rest_of_compilation): Don't treat nested functions or
21322 functions containing them specially. Delete all code to deal with
21323 save_for_inline_copying.
21324 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
21325 inline_obstacks): Delete variables.
21326 (save_tree_status): Lose arg CONTEXT. All callers changed.
21327 Simply allocate a new function_maybepermanent_obstack for the new
21328 function, delete all the special cases.
21329 Don't save inline_obstacks.
21330 (restore_tree_status): Lose arg CONTEXT. All callers changed.
21331 Delete special handling for function_maybepermanent_obstack; simply
21333 Don't restore inline_obstacks.
21334 (permanent_allocation): Delete code that frees inline_obstacks.
21335 (print_inline_obstack_statistics): Delete function.
21336 (dump_tree_statistics): Don't call it.
21337 * varasm.c (struct varasm_status): New.
21338 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
21339 last_pool, pool_offset, const_double_chain): Delete global
21340 variables, replace with accessor macros.
21341 (immed_double_const): Don't walk const_double_chain outside a
21342 function, but don't treat nested functions specially anymore.
21343 (immed_real_const_1): Likewise.
21344 (clear_const_double_mem): Don't treat nested functions specially.
21345 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
21346 (save_varasm_status, restore_varasm_status): Delete functions.
21347 (init_varasm_status): New function.
21348 (force_const_mem): Don't treat nested functions specially.
21349 (find_pool_constant): Accept new arg F, search for constants in
21350 that function's pool rather than the current one. All callers
21352 (get_pool_constant_for_function, get_pool_mode_for_function): New
21355 * i386.c (init_386_machine_status): New function, mostly from
21356 clear_386_stack_locals.
21357 (struct machine_functions): Rename element names to avoid name
21359 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
21360 macros, replacing global variables.
21361 (clear_386_stack_locals, save_386_machine_status,
21362 restore_386_machine_status): Delete functions.
21363 (override_options): Initialize init_machine_status.
21364 * i386.h (INIT_EXPANDERS): Delete macro.
21365 (save_386_machine_status, restore_386_machine_status,
21366 clear_386_stack_locals): Delete declarations.
21368 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21370 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
21371 (doloop_begin): Simplify pattern and use emit_jump_insn.
21372 (doloop_end): Simplify pattern, switch operand order,
21373 and use emit_jump_insn.
21375 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
21377 * function.h (struct function): Add new element LANGUAGE.
21378 (save_lang_status): Declare new variable.
21379 (restore_lang_status): Likewise.
21380 * function.c (save_lang_status): Define.
21381 (restore_lang_status): Likewise.
21382 (push_function_context_to): Call language-specific save function.
21383 (pop_function_context_from): Call language-specific restore function.
21385 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
21387 * i386.md (movsf_1): Check REG_P before use of REGNO.
21388 (movdf_1): Likewise.
21389 (movxf_1): Likewise.
21390 (extendsfdf2): Likewise.
21391 (extendsfxf2): Likewise.
21392 (extenddfxf2): Likewise.
21394 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21396 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
21397 constants into memory.
21398 (c4x_shiftable_constant): New function.
21399 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
21400 (c4x_shiftable_constant): Declare.
21401 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
21402 ashlqi3_noclobber): Add new patterns and associated splitters.
21404 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
21406 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
21407 * dwarf2out.c (dwarf2out_frame_init): Likewise.
21408 * final.c (shorten_branches): Likewise.
21409 * global.c (global_alloc): Likewise.
21410 * haifa-sched.c (build_control_flow): Likewise.
21411 * stmt.c (check_for_full_enumeration_handling): Likewise.
21412 (estimate_case_costs): Likewise.
21414 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
21416 * rtl.h (RTL_CHECKC2): Fix typo in last change.
21418 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
21420 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
21421 (recompute_reg_usage): Likewise.
21422 * rtlanal.c (find_regno_fusage): Likewise.
21424 * rtl.c (rtl_check_failed_code1): New function.
21425 (rtl_check_failed_code2): New.
21426 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
21427 (RTL_CHECKC1, RTL_CHECKC2): New.
21428 (XC*): New accessor macros.
21429 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
21430 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
21431 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
21432 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
21433 (TRAP_*, RANGE_INFO_*): Likewise.
21435 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21437 * Makefile.in (tlink.o): Don't depend on toplev.h.
21439 * collect2.c (c_file, o_file, export_file, import_file, ldout,
21440 output_file, nm_file_name, ldd_file_name, strip_file_name,
21441 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
21442 add_prefix, prefix_from_env, prefix_from_string, do_wait,
21443 fork_execute, maybe_unlink, add_to_list,
21444 extract_init_priority, write_list, dump_list,
21445 dump_prefix_list, write_list_with_asm, write_c_file,
21446 write_c_file_stat, write_c_file_glob, scan_prog_file,
21447 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
21448 ignore_library, extract_string, notice, dump_file, target_machine,
21449 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
21450 read_file, print_load_command): Constify a char*.
21451 (fdopen, error, fatal, fatal_perror): Don't prototype.
21452 (my_strerror): Remove. All callers use xstrerror instead.
21453 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
21454 (main): Add prototype. Constify lots of char* ptrs. Change calls
21455 to xcalloc/strcpy/strcat/... to one call to concat.
21456 (main, scan_prog_file, scan_libraries): Use an intermediate
21457 `const char **' to build an argv array.
21458 (mapfile, libselect, libcompare, locatelib): Add prototypes.
21460 * collect2.h (collect_execute, collect_wait, dump_file,
21461 file_exists): Constify a char*.
21462 (ldout, c_file_name, temporary_obstack, permanent_obstack,
21463 temporary_firstobj, vflag, debug): Add extern declarations.
21464 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
21466 * tlink.c: Don't include toplev.h.
21467 (vflag, debug, ldout, c_file_name, temporary_obstack,
21468 permanent_obstack, temporary_firstobj): Don't declare.
21469 (tlink_execute, frob_extension, symbol_hash_lookup,
21470 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
21471 recompile_files, read_repo_files, demangle_new_symbols,
21472 scan_linker_output): Constify a char*.
21473 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
21474 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
21476 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
21478 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
21479 (relative) rather than jsr (absolute) subroutine call insns.
21480 * config/m68k/m68k-coff.h: Ditto.
21482 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
21484 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
21485 now rework these too.
21486 (arm_reorg): If an insn can't reach the end of the current pool,
21487 ensure that we emit that pool before the insn.
21489 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
21491 * tlink.c (scan_linker_output): Skip the initial underscore in
21492 a mangled name if appropriate.
21494 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21496 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
21497 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
21498 error_with_ivar, gen_declarator, create_builtin_decl,
21499 my_build_string, generate_descriptor_table, generate_ivars_list,
21500 generate_dispatch_table, check_protocols, TAG_GETCLASS,
21501 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
21502 dump_base_name, lang_decode_option, build_encode_expr,
21503 start_class, finish_class, encode_pointer, really_start_method,
21504 gen_declaration, dump_interface, handle_class_ref, handle_impent):
21506 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
21507 Add static prototypes.
21508 (build_objc_string_decl, build_selector_reference_decl,
21509 encode_bitfield, build_class_reference_decl): Remove unused
21510 parameter, all callers changed.
21511 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
21512 (objc_printable_name): Likewise. Change second parameter to type int.
21513 (init_objc): Use memcpy, not bcopy, to avoid casts.
21515 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
21517 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
21518 reg notes on a deleted insn.
21519 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
21521 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
21523 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
21525 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21527 * stmt.c (expand_asm_operands): Fix index into inout_mode when
21530 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
21532 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
21533 * tm.texi (MD_ASM_CLOBBERS): Document it.
21535 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
21537 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
21538 * except.c (expand_rethrow): Remove unused variable.
21539 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
21540 * flow.c (replace_insns): Likewise.
21541 (create_edge_list, verify_edge_list): Likewise.
21542 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
21544 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
21545 is special code to run.
21546 (main): Don't define operands to emit_operand.
21547 * genrecog.c (main): Don't emit an empty peephole2_insn function.
21549 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
21551 * alpha/alpha.h (normal_memory_operand): Declare.
21552 (reg_no_subreg_operand): Declare.
21553 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
21555 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
21557 * c-parse.in (compstmt_primary_start): New, broken out of first
21558 part of compstmt handling in primary.
21559 (primary): Use it. Add an error clause.
21560 (compstmt_nostart): Renamed from compstmt; remove all
21561 initial invocations of compstmt_start.
21564 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
21566 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
21569 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
21571 * combine.c (simplify_shift_const): Remove extra semicolon.
21572 * dwarf2out.c (remove_AT): Likewise.
21573 * expmed.c (expand_mult): Likewise.
21574 * gcov.c (create_program_flow_graph): Likewise.
21575 * reorg.c (mostly_true_jump): Likewise.
21577 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
21579 * fold-const.c (fold_range_test): Do not try to fold the range
21580 test if the rhs or lhs has side effects.
21582 * combine.c (simplify_rtx): Recognize another case of a synthesized
21585 * varasm.c (mark_constant_pool): When marking indirect references,
21586 only look at SYMBOL_REFs.
21588 * except.c (expand_fixup_region_end): Do not peek at
21589 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
21591 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
21593 * flags.h: New variables align_loops, align_loops_log,
21594 align_jumps, align_jumps_log, align_labels, align_labels_log,
21595 align_functions, align_functions_log.
21596 * toplev.c: Define them.
21597 (f_options): Handle -falign-* when they have no argument.
21598 (main): Add logic to set variables for -falign-functions,
21599 -falign-jumps, -falign-labels, -falign-loops.
21600 Make it -fsched-verbose=<n> and -finline-limit=<n>.
21601 (display_help): Change help to match options.
21602 * final.c (LABEL_ALIGN): Default to align_labels_log.
21603 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
21604 (LOOP_ALIGN): Default to align_loops_log.
21605 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
21606 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
21607 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
21608 * varasm.c (assemble_start_function): Handle align_functions.
21610 * config/sparc/sparc.h: Don't declare sparc_align_*.
21611 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
21612 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
21614 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
21616 * config/sparc/sparc.c: Delete sparc_align_loops,
21617 sparc_align_jumps, sparc_align_funcs and the corresponding string
21619 (sparc_override_options): Default align_functions on ultrasparc.
21620 Delete -malign-* handling.
21622 * config/mips/mips.c (override_options): On 64-bit targets,
21623 try to align code to 64-bit boundaries.
21624 (print_operand): New substitution, %~,
21625 which aligns labels to align_labels_log.
21626 * config/mips/mips.md (div_trap_normal): Use %~.
21627 (div_trap_mips16): Likewise.
21629 (absdi2): Likewise.
21630 (ffssi2): Likewise.
21631 (ffsdi2): Likewise.
21632 (ashldi3_internal): Likewise.
21633 (ashrdi3_internal): Likewise.
21634 (lshrdi3_internal): Likewise.
21635 (casesi_internal): Likewise.
21637 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
21639 Merge new ia32 backend from the branch!
21641 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
21642 See ChangeLog.P2 on new_ia32_branch for details.
21644 * rtl.h (stack_regs_mentioned_p): Delete prototype.
21645 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
21646 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
21647 * i386/gas.h (ASM_FILE_START): Define.
21648 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
21649 for name change of ix86_valid_decl_attribute_p.
21650 (i386_pe_valid_type_attribute_p): Similarly.
21652 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
21654 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
21655 to step through CC modes.
21657 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21659 * regmove.c (fixup_match_1): Don't move INSN in front of P if
21660 it would end up in the shadow of a live flags regsiter.
21662 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21664 * reload1.c: Fix many indentation problems.
21665 * reload.c: Likewise.
21667 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
21669 * alias.c (non_local_reference_p): Constify fmt.
21671 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
21673 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
21675 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
21677 * cse.c (delete_trivially_dead_insns): Do not delete stores to
21678 the internal_arg_pointer.
21680 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
21682 Merge peephole2 from new_ia32_branch:
21683 * Makefile.in (STAGESTUFF): Add *.peephole2.
21684 (mostlyclean): Likewise.
21685 (recog.o): Depend on resource.h.
21687 * final.c (peephole): Conditionalize decl on HAVE_peephole.
21688 (final_scan_insn): Likewise for the invocation of peephole.
21689 * genconfig.c (main): Look for peephole and peephole2 patterns.
21690 Emit HAVE_peephole* accordingly.
21691 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
21692 * flags.h (flag_peephole2): Declare.
21693 * toplev.c: New pass peephole2. New flag -fpeephole2.
21695 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
21696 * gencodes.c (main): Likewise.
21697 * genextract.c (main): Likewise.
21698 * genoutput.c (main): Likewise.
21699 * genemit.c (max_operand_1): Look for the max scratch operand.
21700 (gen_rtx_scratch): New.
21701 (gen_exp): Use it, and pass on new arg subroutine_type.
21702 (gen_expand): Take max scratch into account.
21703 (gen_split): Emit peephole2 functions.
21704 (output_peephole2_scratch): New.
21705 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
21706 * genrecog.c (routine_type): Add PEEPHOLE2.
21708 (make_insn_sequence): Match outer parallel for peep2. Discard
21709 top level scratches and dups.
21710 (add_to_sequence): New args insn_type and top. Update all callers.
21711 Handle toplevel peep2 matching insns.
21712 (write_subroutine): Handle peep2.
21713 (write_tree_1): Likewise.
21714 (write_tree): Likewise.
21716 (change_state): New arg afterward. Update all callers.
21717 Handle matching separate insns.
21718 * recog.c (recog_next_insn): New.
21719 (peephole2_optimize): New.
21720 * rtl.def (DEFINE_PEEPHOLE2): New.
21721 * resource.c (find_free_register): New argument last_insn. Use it
21722 to find a register available through the entire span.
21723 * resource.h (find_free_register): Update prototype.
21725 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
21727 * i386.c (output_strlen_unroll): Don't write xops[7]
21728 label if it wasn't set.
21730 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
21732 * cpplib.c (struct directive): Const-ify name pointer and
21733 function pointer prototype.
21734 (validate_else, do_define, do_line, do_include, do_undef,
21735 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
21736 do_elif, do_endif, do_sccs, do_assert, do_unassert,
21737 do_warning): Const-ify second arg.
21738 (directive_table): Mark const. Reorder entries by frequency
21739 of usage, record statistics.
21741 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
21743 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
21744 bounds- check RTL accesses if --enable-checking.
21745 (RTVEC_ELT): Bounds check if --enable-checking.
21746 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
21747 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
21748 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
21750 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
21751 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
21753 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
21754 (NOTE_SOURCE_FILE): Use X0STR.
21755 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
21756 MEM_ALIAS_SET): Use X0INT.
21757 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
21758 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
21760 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
21761 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
21762 (rtl_check_failed_bounds, rtl_check_failed_type1,
21763 rtl_check_failed_type2, rtvec_check_failed_bounds): New
21765 (fancy_abort): Fix comment.
21767 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
21768 (cse_insn): Decrement LABEL_NUSES for jump target before
21769 deleting jump insn.
21770 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
21771 * final.c (alter_subreg): Compute regno before changing x to
21772 REG; set REGNO(x) after changing it.
21773 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
21774 notes containing CONST_INTs.
21775 (delete_eh_regions): Use NOTE_EH_HANDLER.
21776 * function.c (put_reg_into_stack): Make reg a MEM before
21778 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
21780 (gen_mem_addressof): Make reg a MEM before initializing it.
21781 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
21783 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
21784 deleting an insn, not after.
21785 (block_alloc): Only look at PATTERN(insn) if we have to, and
21786 only if it's format class 'i'.
21787 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
21788 CONST_INT before using its INTVAL.
21789 * print-rtl.c (print_rtx): Use X0STR.
21790 * regmove.c (fixup_match_1): Don't look at PATTERN of
21791 non-class-'i' insn chain elements.
21792 * reload.c (loc_mentioned_in_p): Take address of
21793 in->fld[1].rtx directly.
21794 * reload1.c (reload): Change reg to a MEM before initializing
21796 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
21798 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
21800 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
21802 * config/mips/mips.c (machine_dependent_reorg): Force a
21803 barrier to output the local constant pool if a barrier hasn't
21804 been found at a natural point in the instruction stream.
21806 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21808 * c-parse.in (language_string): Constify.
21810 * dwarf2out.c (language_string): Remove declaration.
21812 * dwarfout.c (language_string): Likewise.
21814 * toplev.c (language_string, init_parse, finish_parse): Likewise.
21816 * tree.h (language_string, init_parse, finish_parse): Declare.
21818 * i386/sun386.h (language_string): Remove declaration.
21820 * mips.h (language_string): Likewise.
21822 * nextstep.h (language_string): Likewise.
21824 * nextstep21.h (language_string): Likewise.
21826 * rs6000.c (language_string): Likewise.
21828 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21830 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
21831 (getpwd.o): Remove target.
21833 * getpwd.c: Delete file. Its in libiberty now.
21835 * dbxout.c (getpwd): Don't prototype.
21836 * dwarf2out.c (getpwd): Likewise
21837 * dwarfout.c (getpwd): Likewise
21838 * final.c (getpwd): Likewise.
21839 * protoize.c (getpwd): Likewise.
21841 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21843 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
21845 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
21847 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
21848 mark_set_resources.
21850 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
21852 * fixinc/Makefile.in (subdir): New.
21853 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
21856 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
21858 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
21859 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
21862 * invoke.texi: Fix typo.
21864 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
21865 changed. Handle autoincrement addressing modes.
21867 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
21868 just like we would the virtual incoming args register when
21871 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
21873 * rs6000.h (ASM_FILE_START): Specify complete filename, including
21874 path, in .file directive.
21876 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
21878 * gcc.texi (External Bugs): Remove obsolete note about Perl on
21881 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
21883 * stdbool.h: Make the typedef name _Bool, with bool a #defined
21886 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21888 * tree.c (tree_code_name): Constify a char*.
21890 * tree.h (tree_code_name, decl_printable_name): Likewise.
21892 * function.h (struct function): Likewise.
21894 * toplev.c (decl_name, decl_printable_name): Likewise.
21896 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
21898 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
21899 (init_objc): Remove function pointer cast.
21901 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21903 * pa.md (interspace_jump): New pattern.
21904 (builtin_longjmp): New expander.
21906 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
21908 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
21909 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
21910 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
21912 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
21914 * jump.c (delete_prior_computation): Also check calls
21915 to constant functions. Don't bother checking for a
21916 REG_UNUSED note before adding it.
21917 (delete_computation): Handle multi-word hard registers
21918 when synthesizing missing REG_DEAD notes for a register
21919 which is both set and used by an insn.
21921 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21923 * loop.c (this_loop_info): New variable.
21924 (loop_has_call, loop_has_volatile, loop_has_tablejump,
21925 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
21927 (prescan_loop, strength_reduce): New argument loop_info. All callers
21929 (scan_loop): New variable loop_info, initialise to address of
21931 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
21932 Delete variable loop_has_multiple_exit targets and replace with
21933 field in this_loop_info.
21934 (find_and_verify_loops): Rename this_loop to this_loop_num.
21935 (strength_reduce): Delete loop_iteration_info. Replace variable
21936 loop_info with function argument of same name.
21937 (insert_bct): Rework test for loop being completely unrolled.
21939 * loop.h (struct loop_info): New fields num, loops_enclosed,
21940 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
21941 has_indirect_jump, and cont. Redefine use of unroll_number.
21942 (loop_unroll_number): Delete.
21944 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
21945 field of loop_info.
21946 (loop_iterations): Delete variable vtop and instead use
21947 loop_info->vtop computed in prescan_loop.
21949 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
21951 * fix-header.c (main): Do not pass a null pointer to strcmp.
21953 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
21955 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
21957 * configure: Rebuilt.
21959 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
21961 * jump.c (jump_optimize_1): Do not delete assignments to
21962 internal_arg_pointer.
21963 * cse.c (delete_trivially_dead_insns): Always consider a set of
21964 the internal_arg_pointer live.
21966 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
21968 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
21969 (update_life_info) [REG_WAS_0]: Search the original insns rather
21970 than the new insns for the note. Fix typos finding note_dest.
21971 If no dest found, discard the note rather than abort.
21972 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
21973 (replace_insns): Remove the old insn list after update_life_info
21976 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
21978 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
21979 sched_analyze_insn.
21980 (sched_analyze_1): Let add_dependence care for not adding dups.
21981 (sched_analyze_2): Likewise.
21982 (add_branch_dependences): Likewise.
21984 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
21986 * i386/winnt.c (export_list): New type.
21987 (exports_head): Rename to
21988 (export_head): this.
21989 (i386_pe_record_exported_symbol): Add is_data flag.
21990 (i386_pe_asm_file_end): Emit directive for exported variables.
21991 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
21993 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
21994 (ASM_DECLARE_OBJECT_NAME): Likewise.
21995 (ASM_DECLARE_FUNCTION_NAME): Likewise.
21996 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
21998 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
22000 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
22002 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
22005 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
22007 * config/openbsd.h: Define SET_ASM_OP.
22008 * tm.texi: cross-reference SET_ASM_OP in the index.
22010 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
22012 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
22013 for a CONST_DOUBLE, at compile time. Initialize rtx_length
22014 and class_narrowest_mode at compile time. Kill init_rtl.
22015 Mark rtx_length, mode_class, mode_size, mode_unit_size,
22016 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
22017 rtx_format as const. Kill all references to EXTRA_CC_MODES or
22019 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
22021 * rtl.h: Declare rtx_length and rtx_format as const.
22022 * machmode.def: Define CC(). Use CC() to define CCmode. If
22023 EXTRA_CC_MODES is defined, expand it here.
22024 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
22025 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
22026 const. Kill all references to EXTRA_CC_MODES.
22028 * toplev.c: Don't prototype or call init_rtl.
22029 * optabs.c: Don't call init_mov_optab.
22030 * genemit.c: Don't generate init_mov_optab. Don't call
22032 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
22034 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
22035 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
22036 genrecog.c: Don't call init_rtl.
22038 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
22039 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
22040 definition of EXTRA_CC_MODES.
22042 * md.texi: Kill ref to EXTRA_CC_NAMES.
22043 * tm.texi: Document new way to define EXTRA_CC_MODES.
22045 * genrecog.c: Do not look up the name of a define_split.
22046 (Unrelated bugfix.)
22048 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
22050 * config/v850/v850.md: Fix typo introduced by previous delta.
22052 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22054 * gcc.c (fatal): Make definition static to match prototype.
22056 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22058 * combine.c (get_last_value): Don't look for earlier sets if the last
22059 known set is somewhere in between the insns being combined.
22061 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
22063 * configure.in: Don't use shell ! to negate exit codes
22064 * configure: Regenerate
22066 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
22068 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
22069 the fact that ALIGN is measured in bits, not bytes.
22071 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
22073 * errors.c: New file; defines functions error, warning, and
22074 fatal, variables have_error and progname.
22075 * errors.h: New file; prototypes and decls for stuff in errors.c.
22077 * Makefile: Add rules to build errors.o and
22078 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
22079 genopinit, genrecog, genextract, genpeep, genattr, and
22080 genoutput with errors.o. Add errors.h to deps of genconfig.o,
22081 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
22082 genpeep.o, genattr.o, and genoutput.o.
22084 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
22085 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
22086 define or prototype fatal. Set progname at beginning of main.
22087 * genoutput.c: Likewise, and don't define or prototype error
22090 * c-typeck.c (c_expand_start_case): Return immediately if exp
22092 * fold-const.c (operand_equal_p): Return immediately if arg1
22093 or arg0 are ERROR_MARKs.
22094 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
22095 fields of type ERROR_MARK when calculating if the record can
22098 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
22099 with much help from Jeffrey A Law and Richard Henderson
22101 * i386.md: In the 6 insns which call output_fix_trunc,
22102 earlyclobber operands[0].
22104 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
22106 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
22107 creating new registers.
22109 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
22111 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
22112 i386_reg_alloc_order, i386_regparm_string,
22113 i386_align_loops_string, i386_align_jumps_string,
22114 i386_align_funcs_string, i386_preferred_stack_boundary_string,
22115 and i386_branch_cost_string as type "const char *".
22116 * i386.c: Define all above strings as type "const char *".
22118 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
22120 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
22121 when emitting alignment padding. Emit padding byte of 0 instead of 4.
22123 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
22125 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
22126 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
22128 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
22130 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
22131 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
22132 (dwarf2out_line, dwarf2out_finish): Likewise.
22133 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
22135 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
22137 * tree.c (lang_unsave_expr_now) : Correct return type.
22138 * tree.h (lang_unsave_expr_now) : Same.
22140 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
22142 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
22143 instead of duplicating code.
22145 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22147 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
22149 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
22151 * tree.h: fancy_abort always takes three args.
22152 * resource.c: Move include of system.h before toplev.h.
22154 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
22156 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
22159 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
22161 * system.h: Don't redefine abort or trim_filename.
22162 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
22163 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
22164 whether or not __FUNCTION__ is available.
22165 * tree.h: Duplicate rtl.h's definition of abort, for files
22166 that don't include rtl.h. Delete all code to perform type
22167 checking with a compiler other than GCC.
22168 * varray.h: Delete all code to perform type checking with a
22169 compiler other than GCC. Make VARRAY_CHECK() always evaluate
22170 its arguments exactly once, using a statement expression.
22171 Adjust the VARRAY_<type> accessor macros to match.
22172 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
22173 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
22174 caller's location. Define fatal_insn and fatal_insn_not_found
22175 as macros that use _fatal_insn and _fatal_insn_not_found.
22176 (fancy_abort, trim_filename): Kill prototypes.
22178 * rtl.c (trim_filename): Move here from toplev.c.
22179 (fancy_abort): New function.
22180 (DIR_SEPARATOR): Provide default definition.
22181 * tree.c (tree_check_failed, tree_class_check_failed): Go
22182 through fancy_abort.
22183 (tree_check, tree_class_check, cst_or_constructor_check,
22184 expr_check): Delete.
22185 * varray.c (varray_check_failed): New function.
22186 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
22187 _fatal_insn and _fatal_insn_not_found. Go through
22189 (trim_filename, fancy_abort): Delete.
22191 * builtins.c (expand_builtin_args_info): Report ICE with abort.
22192 * except.c (start_catch_handler): Report ICE with error/abort
22194 * final.c (output_operand_lossage): Likewise.
22195 * flow.c (verify_flow_info): Likewise.
22197 * gcc.c: Prototype fatal.
22198 * gengenrtl.c: Undef abort after including rtl.h not system.h.
22199 * genattr.c, genattrtab.c, genemit.c, genextract.c,
22200 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
22201 Don't define fancy_abort.
22203 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
22205 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
22208 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
22210 * m88k.h (VERSION_INFO2): Kill.
22211 (VERSION_STRING): Kill.
22213 (VERSION_INFO1): Tidy.
22214 (TARGET_VERSION): Update.
22215 * m88k/dgux.h (VERSION_INFO2): Kill.
22216 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
22217 * m88k/luna.h (VERSION_INFO1): Tidy.
22218 * m88k/sysv4.h (VERSION_INFO1): Likewise.
22219 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
22220 (output_file_start): Adjust for death of VERSION_STRING.
22222 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
22224 * cpplib.c (detect_if_not_defined): New function.
22225 (do_if): Use it to detect potential once-only headers.
22227 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
22229 * c-common.c (combine_strings): Always set TREE_CONSTANT.
22231 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
22233 * combine.c (nonzero_bits) : Allow single-ly set registers to be
22234 anywere in the function only if they are pseudos and set before
22235 being used (not live at the start of the function).
22236 (num_sign_bit_copies) : Same.
22237 (get_last_value_validate) : Same.
22238 (get_last_value) : Same.
22240 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
22242 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
22243 where N and M are constant and N is an integer multiple of M.
22245 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22247 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
22248 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
22249 sbitmap_union_of_preds): Add prototypes.
22250 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
22251 the intersection of successors with the new flow graph structures.
22252 (sbitmap_intersection_of_preds): New function to compute the
22253 intersection of predecessors with the new flow graph structures.
22254 (sbitmap_union_of_succs): New function to compute the union of
22255 successors with the new flow graph structures.
22256 (sbitmap_union_of_preds): New function to compute the union of
22257 predecessors with the new flow graph structures.
22258 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
22259 (expr_reaches_here_p): Use edge and basic_block structures instead
22260 of s_preds and s_succs.
22261 (compute_cprop_avinout): Use new sbitmap routines.
22262 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
22263 of s_preds and s_succs.
22264 * flow.c (compute_flow_dominators): Compute dominators using
22265 edges and basic blocks instead of s_preds and s_succs.
22267 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22269 * lists.c (unused_insn_list, unused_expr_list): New file for
22270 maintaining various types of lists. New statics for maintaining a
22271 cache of available INSN_LIST and EXPR_LIST nodes.
22272 (free_list): Static function for freeing a list of INSN/EXPR nodes.
22273 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
22274 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
22275 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
22276 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
22277 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
22278 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
22279 (free_INSN_LIST_node): Free an individual INSN_LIST node.
22280 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
22281 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
22282 (remove_dependence, free_pending_lists): Use new global routines.
22283 (flush_pending_lists, sched_analyze_insn): Use new global routines.
22284 (sched_analyze, compute_block_backward_dependences): Use new routines.
22285 (sched_analyze_1, sched_analyze_2): Use new routines.
22286 (schedule_insns): Use new global routines.
22287 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
22289 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
22290 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
22292 * toplev.c (rest_of_compilation): Initialize node cache.
22293 * Makefile.in (OBJS): Add lists.o to list of object files.
22294 (lists.o): Add dependancies.
22296 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
22298 * config/v850/v850.md: Fix compile time warning messages.
22299 * config/v850/v850.c: Fix compile time warning messages.
22300 * config/v850/v850.h: Fix compile time warning messages.
22302 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22304 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
22305 Remove unused prototype for `init_lengths'.
22307 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22309 * calls.c (emit_call_1): Mark parameter `stack_size' with
22311 (expand_call): Initialize variable `insn'.
22312 (emit_library_call): Likewise for variable `high_to_save'.
22313 (emit_library_call_value): Likewise.
22314 (store_one_arg): Likewise for variables `lower_bound' and
22317 * combine.c (try_combine): Likewise for variables `i2_code_number'
22318 and `other_code_number'.
22319 (find_split_point): Likewise for variables `pos', `unsignedp' and
22321 (simplify_if_then_else): Likewise for variables `op' and `c1'.
22322 (simplify_and_const_int): Remove unused variable `width'.
22323 (merge_outer_ops): Likewise.
22325 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
22326 HOST_WIDE_INT' when comparing against one.
22327 (simplify_relational_operation): Likewise.
22328 (cse_insn): Initialize variables `src_eqv_volatile',
22329 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
22331 * final.c (init_final): Constify parameter `filename'.
22332 (final_start_function): Mark parameter `optimize' with
22334 (profile_function): Likewise for parameters `first' and `optimize'.
22335 (output_source_line): Likewise for parameter `file'.
22337 * integrate.c (subst_constants): Cast a value to `size_t' when
22338 comparing against one.
22339 (mark_stores): Initialize variable `mode'. Cast a value to
22340 `size_t' when comparing against one.
22342 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
22344 * loop.c (move_movables): Initialize variable `first'.
22345 (strength_reduce): Likewise for variable `increment'.
22346 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
22347 value to `size_t' when comparing against one.
22348 (load_mems): Initialize variable `end_label'.
22350 * output.h (init_final): Constify parameter.
22352 * reload.c (decompose): Initialize variable `base'.
22354 * reload1.c (reload): Likewise for variable `is_scalar'.
22355 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
22356 (choose_reload_regs): Initialize variable `mode'.
22357 (emit_reload_insns): Likewise for variable `store_insn'.
22358 (reload_cse_noop_set_p): Mark parameter `insn' with
22360 (reload_combine): Initialize variable `set'.
22362 * unroll.c (unroll_loop): Likewise for variable `local_label'.
22363 (copy_loop_body): Cast a value to `size_t' when comparing against
22366 * varasm.c (assemble_variable): Initialize variable `size_tree'.
22367 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
22368 (remove_from_pending_weak_list): Mark parameter `name' with
22371 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22373 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
22376 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
22378 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
22379 (ASM_DECLARE_FUNCTION_NAME): Define.
22380 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
22381 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
22382 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
22383 not already defined.
22385 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
22387 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
22388 of n_popped when call/call_value are not defined.
22390 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
22392 * tm.texi: GNU CC -> GCC conversion.
22393 (CC1_SPEC): Indicate it is used for all language front ends.
22395 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
22397 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
22398 NOTE_INSN_EH_REGION_END correctly.
22400 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
22401 Jeff Law <law@cygnus.com>
22403 * loop.c (strength_reduce): Automatically unroll loops if the
22404 unrolled loop size is smaller than the rolled loop size.
22406 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
22407 and delete comment that code should be rewritten.
22409 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
22411 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
22414 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
22416 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22418 * fixinc/mkfixinc.sh: Don't fix uwin headers.
22419 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
22420 (LINK_SPEC): Add -u _main when building executables.
22421 (ASM_DECLARE_FUNCTION): Update from Cygwin.
22422 (ASM_FILE_END): Use the default for ix86-pe.
22423 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
22425 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
22427 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
22428 and ASM_CLOSE_PAREN are empty strings.
22430 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
22431 Geoffrey Keating <geoffk@cygnus.com>
22433 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
22434 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
22435 (unprotoize.o): Ditto.
22436 (test-protoize-simple): Don't define STD_PROTO_DIR.
22437 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
22438 changes to make 'test-protoize-simple' pass.
22439 (STD_PROTO_DIR): Remove define.
22440 (STANDARD_EXEC_PREFIX): Supply default define.
22441 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
22442 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
22443 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
22444 (GET_ENV_PATH_LIST): New macro.
22445 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
22446 (do_processing): Initialize default_syscalls_dir using new
22447 macros. Use it to initialize syscalls_absolute_filename.
22449 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
22451 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
22452 B into a register before emit_conditional_move.
22454 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
22456 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
22457 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
22458 multiplicand out of (+ (* a b) (* c d)).
22460 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
22461 Richard Henderson <rth@cygnus.com>
22463 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
22464 (new_insn_dead_notes): Likewise.
22465 (update_n_sets): Likewise.
22466 (update_flow_info): Move to flow.c, renamed to update_life_info;
22467 extend to handle multiple source insns.
22468 * flow.c: Include resource.h
22469 (unlink_insn_chain): New.
22470 (split_hard_reg_notes): New.
22471 (maybe_add_dead_note): New.
22472 (maybe_add_dead_note_use): New.
22473 (find_insn_with_note): New.
22474 (new_insn_dead_notes): New.
22475 (update_n_sets): New.
22476 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
22477 (maybe_remove_dead_notes): New.
22478 (update_life_info): New.
22479 (prepend_reg_notes): New.
22480 (replace_insns): New.
22481 * output.h (update_life_info): Declare.
22482 * recog.c (split_block_insns): Use update_life_info.
22483 * resource.c (find_free_register): Use reg_alloc_order, don't use
22484 fixed regs, make sure the mode is supported, don't use new regs.
22486 * rtl.h (replace_insns): Declare.
22488 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
22490 * expr.c (expand_expr): Cope with COND_EXPRs with one
22491 non-returning branch.
22493 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
22495 * expr.c (store_expr): Always pass down the target, even when not
22498 1999-08-24 Nick Clifton <nickc@cygnus.com>
22500 * configure.in: Define target_cpu_default for v850 targets.
22501 * configure: Regenerate
22503 * config/v850/v850.h (TARGET_CPU_generic): Define.
22504 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
22505 addresses are 4 byte aligned.
22507 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
22510 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22512 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
22513 (main): Add prototypes.
22515 * genattrtab.c (substitute_address, write_const_num_delay_slots,
22516 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
22517 (write_attr_get): Emit prototypes along with function definition.
22518 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
22519 (write_complex_function): Emit static prototype along with
22520 function definition.
22522 * genemit.c (gen_split): Emit prototypes along with function
22525 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
22526 Likewise for predicates and `insn_operand_predicate'.
22527 (process_template): Emit static prototype along with function
22530 * genrecog.c (make_insn_sequence): Constify a char*. Add
22531 prototypes for get_split_*().
22532 (write_subroutine): Emit prototypes along with function
22535 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22537 * gcse.c (find_avail_set): Follow chains of register-register copies.
22538 Use oprs_not_set_p to guarantee that the returned value can be
22540 (cprop_insn): Don't verify the return value of find_avail_set with
22543 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
22544 (cprop_cc0_jump): New function.
22545 (cprop_insn): Break out new function cprop_jump and use it.
22546 Also use cprop_cc0_jump for machines with CC0.
22547 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
22549 * tree.h (current_function_calls_setjmp,
22550 current_function_calls_longjmp): Delete declarations.
22551 * dsp16xx.c: Include "function.h".
22552 * elxsi.c: Likewise.
22553 * gmicro.c: Likewise.
22554 * h8300.c: Likewise.
22555 * i370.c: Likewise.
22556 * m32r.c: Likewise.
22557 * mn10200.c: Likewise.
22558 * mn10300.c: Likewise.
22559 * ns32k.c: Likewise.
22560 * spur.c: Likewise.
22561 * v850.c: Likewise.
22563 * rtl.h (rtx_equal_function_value_matters): Declare.
22564 * toplev.c (rtx_equal_function_value_matters): Don't declare.
22566 * function.c: Likewise.
22567 * emit-rtl.c: Likewise.
22569 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
22571 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
22574 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
22576 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
22579 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
22581 * cpp.texi: Add a node documenting macro varargs (copied
22584 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
22586 * cppspec.c: Put a null pointer at the end of the new argv.
22588 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
22590 * configure.in: Remove code to select/de-select the haifa
22591 scheduler. Every scheduled port gets haifa now.
22592 * configure: Rebuilt.
22593 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
22595 * Makefile.in: Corresponding changes.
22597 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22599 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
22600 All callers changed.
22601 (prepare_float_lib_cmp): Likewise.
22602 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
22603 * expr.h (emit_float_lib_cmp): Delete declaration.
22604 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
22605 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
22606 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
22608 (cmptf): Now conditional on TARGET_HARD_QUAD.
22610 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
22612 * resource.c (mark_target_live_regs): Use
22613 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
22615 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22617 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
22619 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
22621 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
22623 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22625 * rtl.h (rtx_format): Constify a char*.
22627 * rtl.c (rtx_format): Likewise.
22628 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
22629 (init_rtl): Use accessor macro, not `rtx_format'.
22631 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
22634 * caller-save.c (mark_referenced_regs): Likewise.
22636 * combine.c (subst, make_compound_operation, known_cond,
22637 gen_rtx_combine, update_table_tick, get_last_value_validate,
22638 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
22640 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
22641 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
22642 count_reg_usage): Likewise.
22644 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
22647 * final.c (leaf_renumber_regs_insn): Likewise.
22649 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
22650 dump_edge_info, count_reg_references): Likewise.
22652 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
22653 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
22656 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
22657 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
22658 add_label_notes): Likewise.
22660 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
22661 clear_struct_flag, count_sub_rtxs, count_alternatives,
22662 compares_alternatives_p, contained_in_p, walk_attr_value,
22663 write_expr_attr_cache): Likewise.
22665 * genconfig.c (walk_insn_part): Likewise.
22667 * genemit.c (max_operand_1, gen_exp): Likewise.
22669 * genextract.c (walk_rtx): Likewise.
22671 * genflags.c (num_operands): Likewise.
22673 * genoutput.c (scan_operands): Likewise.
22675 * genpeep.c (match_rtx): Likewise.
22677 * genrecog.c (add_to_sequence): Likewise.
22679 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
22682 * integrate.c (save_constants, copy_for_inline,
22683 copy_rtx_and_substitute, subst_constants, restore_constants):
22686 * jump.c (mark_jump_label, invert_exp, redirect_exp,
22687 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
22689 * local-alloc.c (contains_replace_regs, memref_referenced_p):
22692 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
22693 add_label_notes, replace_call_address, count_nonfixed_reads,
22694 invariant_p, find_single_use_in_loop, find_mem_givs,
22695 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
22698 * print-rtl.c (reg_names, print_rtx): Likewise.
22700 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
22702 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
22703 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
22704 print_blocks): Likewise.
22706 * regclass.c (fix_register, record_address_regs,
22707 reg_scan_mark_refs): Likewise.
22709 * regmove.c (stable_but_for_p): Likewise.
22711 * reload.c (loc_mentioned_in_p, operands_match_p,
22712 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
22713 copy_replacements, refers_to_regno_for_reload_p,
22714 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
22715 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
22718 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
22719 delete_address_reloads_1, count_occurrences,
22720 reload_cse_mem_conflict_p, reload_combine_note_use,
22721 add_auto_inc_notes): Likewise.
22723 * resource.c (mark_referenced_resources, mark_set_resources):
22726 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
22727 reg_mentioned_p, regs_set_between_p, modified_between_p,
22728 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
22729 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
22730 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
22731 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
22733 * sched.c (sched_analyze_2, attach_deaths): Likewise.
22735 * stupid.c (stupid_mark_refs): Likewise.
22737 * unroll.c (remap_split_bivs): Likewise.
22739 * varasm.c (mark_constants): Likewise.
22741 * a29k/a29k.c (uses_local_reg_p): Likewise.
22743 * alpha/alpha.c (summarize_insn): Likewise.
22745 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
22746 eliminate_lr2ip): Likewise.
22748 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
22750 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
22751 reg_mentioned_in_mem): Likewise.
22753 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
22754 symbolic_reference_mentioned_p): Likewise.
22756 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
22758 * sh/sh.c (regs_used, mark_use): Likewise.
22760 * vax/vax.c (vax_rtx_cost): Likewise.
22762 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22764 * machmode.h (mode_name): Constify a char*.
22766 * rtl.c (mode_name): Likewise.
22768 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
22770 * optabs.c (init_libfuncs): Constify a char*.
22772 * print-tree.c (mode_name): Remove redundant declaration.
22773 (print_node): Use accessor macro, not `mode_name'.
22775 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
22777 (new_spill_reg): Constify a char*.
22779 * tree.c (mode_name): Remove redundant declaration.
22781 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22783 * rtl.c (rtx_name): Constify a char*.
22785 * rtl.h (rtx_name, fix_sched_param): Likewise.
22787 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
22788 (mypr): Use accessor macro, not `rtx_name'.
22790 * genemit.c (print_code): Constify a char*.
22792 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
22794 * genpeep.c (print_code): Constify a char*.
22796 * genrecog.c (print_code): Likewise.
22798 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
22799 end_bb): Add static prototype.
22800 (draw_edge): Constify a char*.
22801 (end_bb): Remove unused parameter.
22803 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
22804 print_block_visualization): Constify a char*.
22806 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
22808 * c-common.c (c_get_alias_set): Update comment.
22810 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
22812 * linux.h (LIB_SPEC): Added.
22814 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22816 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
22818 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
22820 * tree.c (expr_check): Fix typo in last change.
22822 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
22824 * rtl.def (NOTE): Change format to "iuu0n".
22825 (ADDR_DIFF_VEC): Change format to "eEee0".
22826 (ADDRESSOF): Change format to "eit".
22828 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
22829 (RTVEC_ELT): Change to match.
22830 (XVECEXP): Use XVEC and RTVEC_ELT.
22831 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
22832 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
22833 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
22834 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
22835 TRAP_CONDITION, TRAP_CODE): Use XEXP.
22836 (INTVAL): Use XWINT.
22837 (ADDRESSOF_DECL): Use XTREE.
22838 (SET_ADDRESSOF_DECL): Delete.
22839 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
22840 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
22841 ifdefed out since 2.6 at least.
22842 (gen_rtvec_vv): Delete prototype.
22844 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
22846 (copy_most_rtx): Handle 't' format letter.
22847 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
22848 (gen_rtvec_vv): Delete function. All callers changed to use
22849 gen_rtvec_v instead.
22850 * print-rtl.c (print_rtx): Move special casing of NOTEs to
22851 the '0' format letter.
22853 * function.c (gen_mem_addressof): Don't use
22854 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
22856 * integrate.c (copy_rtx_and_substitute): Likewise.
22857 Copy 't' slots with XTREE.
22858 (subst_constants): Treat 't' slots like '[swi]' slots.
22859 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
22860 * jump.c (rtx_equal_for_thread_p): Likewise.
22861 * rtlanal.c (rtx_equal_p): Likewise.
22862 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
22863 only four arguments.
22864 * gengenrtl.c (type_from_format): Provide correct types for
22868 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
22869 If a recent gcc is in use (always in stage2 and beyond), use
22870 statement expressions, so we don't make a function call unless
22871 the check fails. Evaluate arguments exactly once.
22872 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
22873 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
22875 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
22876 they evaluate their arguments exactly once, irrespective of
22877 the compiler in use.
22879 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
22880 is used by the currently-enabled check macros. This is:
22881 (tree_check_failed, tree_class_check_failed): For gcc.
22882 (tree_check, tree_class_check, cst_or_constructor_check,
22883 expr_check): For other compilers.
22885 * gencheck.c: Do not define any *_CHECK1 macros.
22887 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
22888 Mark Mitchell <mark@codesourcery.com>
22890 * c-common.c (c_get_alias_set): Fix support for poitners and
22893 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
22895 * alias.c: Include tree.h.
22896 (nonlocal_reference_p, mark_constant_function): New functions.
22897 * flow.c (life_analysis): Call mark_constant_function.
22898 * rtl.h (mark_constant_function): Declare it.
22900 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
22902 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
22903 unrecognisable switches.
22905 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22907 * loop.c (recombine_givs): Set ix field after sorting.
22908 (recombine_givs): Remove bogus index / giv lockstep looping.
22910 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22912 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
22914 (emit_store_flag_force): Use do_compare_rtx_and_jump.
22915 (do_cmp_and_jump): Formatting fixes.
22916 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
22917 do_compare_rtx_and_jump instead of compare_from_rtx.
22918 (do_compare_rtx_and_jump): New function; mostly copied from
22920 (do_jump_for_compare): Delete.
22921 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
22923 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
22924 of compare/do_jump_for_compare pairs.
22925 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
22926 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
22927 compare_from_rtx/do_jump_for_compare pairs.
22928 (do_jump_by_parts_equality): Likewise.
22929 (do_jump_by_parts_equality_rtx): Likewise.
22930 * expr.h (do_compare_rtx_and_jump): Declare.
22931 * optabs.c (prepare_cmp_insn): New function, contains most of the code
22932 that used to be in emit_cmp_insn.
22933 (cmp_available_p): New function.
22934 (prepare_operand): New function.
22935 (emit_cmp_and_jump_insn_1): New function, contains some code that used
22936 to be in emit_cmp_insn.
22937 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
22938 parameters to be pointers; don't emit final compare but modify some of
22939 the values pointed to by the args so the caller can perform the
22940 correct comparison.
22941 (expand_binop): Call emit_store_flag_force with signed forms of
22943 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
22944 emit_jump_insn pair.
22945 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
22946 emit_cmp_and_jump_insn_1. Call emit_queue.
22947 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
22949 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
22950 jump sets cc0 before deleting it.
22951 * integrate.c (expand_inline_function): Likewise.
22952 * unroll.c (unroll_loop): Similar changes in several places.
22953 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
22954 before deleting it.
22956 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22958 * Makefile.in (insn-recog.o): Update dependencies.
22959 * genrecog.c (main): Make generated file include "function.h".
22961 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
22963 * cse.c (cse_insn): Call never_reached_warning when a jump is
22964 changed to be unconditional.
22965 * flags.h: Declare warn_notreached.
22966 * flow.c (delete_block): Call never_reached_warning when
22967 a block is deleted.
22968 * jump.c (delete_barrier_successors): Call never_reached_warning
22969 when we delete everything after a BARRIER.
22970 (never_reached_warning): New function.
22971 * rtl.h: Declare never_reached_warning.
22972 * toplev.c (warn_notreached): New variable.
22973 (lang_independent_options): Set warn_notreached
22974 when -Wunreachable-code.
22975 (compile_file): We need line numbers for -Wunreachable-code.
22977 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
22979 * haifa-sched.c (insn_unit): Fix typo on out of range test.
22980 * sched.c (insn_unit): Likewise.
22982 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
22984 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
22986 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22988 * flow.c (create_edge_list): Use xmalloc, not malloc.
22990 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
22992 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
22993 C-style comments. Do not lose the character before double slash.
22995 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22997 * basic-block.h (struct edge_list): Stucture to maintain a vector
22999 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
23000 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
23001 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
23002 New function prototypes.
23003 * flow.c (create_edge_list): Function to create an edge list.
23004 (free_edge_list): Discards memory used by an edge list.
23005 (print_edge_list): Debug output showing an edge list.
23006 (verify_edge_list): Internal consistency check for an edge list.
23007 (find_edge_index): Function to find an edge index for a pred and succ.
23009 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
23011 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
23014 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
23016 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
23018 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
23020 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
23022 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
23024 * toplev.c (rest_of_compilation): Allow machine dependent
23025 reorganisation pass to place information into the RTL dump
23026 file if it so wishes.
23028 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
23030 * explow.c (hard_function_value): Use VOIDmode instead of
23032 * stmt.c (expand_return): Likewise.
23033 * stor-layout.c (get_best_mode): Likewise.
23035 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
23036 emit call instead of emit_insn call.
23038 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
23040 * configure.in: Handle --disable/enable-win32-registry.
23041 * install.texi: Document --disable/enable-win32-registry.
23042 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
23043 (WIN32_REGISTRY_KEY): New macro.
23044 * prefix.c: Use to enable/disable win32-specific code.
23045 (lookup_key): Use versioned key.
23046 * configure: Regenerate.
23047 * config.in: Likewise.
23049 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
23051 * cpplib.c (read_line_number): New fn, split out of...
23054 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
23056 tree.c (lang_unsave_expr_now) : New.
23057 (unsave_expr_now): Call lang_unsave_expr_now.
23058 tree.h (lang_unsave_expr_now) : New.
23060 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
23062 * toplev.c (flag_new_exceptions): On by default.
23064 1999-08-13 Michael Meissner <meissner@cygnus.com>
23066 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
23068 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
23070 * dwarfout.c (fundamental_type_code): Return FT_boolean for
23071 INTEGER_TYPE with precision==1, it's __java_boolean.
23073 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23075 * global.c (prune_preferences): Move some invariants out of the
23078 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
23080 * configure.in (alpha*-dec-osf*): Add osf5.
23082 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
23084 * configure.in: Rework handling of ARM GNU/Linux slightly.
23085 (arm*-*-linux-gnuoldld): New target.
23086 * configure: Regenerate.
23087 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
23088 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
23089 * config/arm/linux-oldld.h: New file.
23090 * config/arm/linux-elf26.h: Don't include linux-elf.h.
23091 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
23093 * config/arm/linux-elf.h (ASM_SPEC): Define.
23094 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
23095 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
23096 for 26-bit APCS and old linker.
23097 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
23099 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
23100 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
23101 don't define `arm' or `arm_elf'.
23102 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
23103 MULTILIB_DIRNAMES): Define. Fix typo in comment.
23105 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
23107 * rtl.texi: Fix typo.
23109 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
23111 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
23113 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
23115 * extend.texi (C++ Signatures): Remove node.
23116 * invoke.texi: Remove discussion of -fhandle-signatures,
23117 signature, sigof, __signature__, and __sigof__.
23119 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
23121 * Makefile.in (JAVAGC): Removed.
23123 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
23125 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
23127 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
23129 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
23131 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
23133 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
23134 a register that is already known to be a pointer.
23136 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
23138 * fixinc/inclhack.tpl: Only install assert.h conditionally.
23139 * fixinc/inclhack.sh: Regenerated.
23140 * fixinc/fixincl.sh: Regenerated.
23142 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
23144 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
23145 Fix documentation of -ansi flag to describe its C++ behavior.
23146 Remove bogus reference to GCC 2.9.
23148 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
23150 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
23151 note if it is non-NULL.
23153 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23155 * except.h (eh_nesting_info): Add new structure defintion.
23156 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
23157 (reachable_handlers, update_rethrow_references): Add function
23159 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
23160 a rethrow symbol instead of an integer exception region number.
23161 * flow.c (Make_edges): Use new exception nesting routines to determine
23162 which handlers are reachable from a CALL or asynchronous insn.
23163 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
23165 (delete_eh_regions): Update rethrow labels, and don't delete
23166 regions which are the target of a rethrow.
23167 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
23168 avoid overloading the SYMBOL_REF_USED flag.
23169 (rethrow_symbol_map): Use new rethrow_ref field.
23170 (rethrow_used): Use new rethrow_ref field.
23171 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
23172 of an integer. Fix formatting.
23173 (output_exception_table_entry): Use new rethrow_ref field.
23174 (can_throw): Check for EH_REGION_NOTE before deciding
23175 whether a CALL can throw or not.
23176 (scan_region): Call rethrow_used() instead of accessing data structure.
23177 (update_rethrow_references): New function to make sure only regions
23178 which are still targets of a rethrow are flagged as such.
23179 (process_nestinfo): New static function to initialize a handler
23180 list for a specific region.
23181 (init_eh_nesting_info): New function to allocate and initialize
23182 the list of all EH handlers reachable from all regions.
23183 (reachable_handlers): New function to retrieve the list of handlers
23184 reachable from a specific region and insn.
23185 (free_eh_nesting_info): New function to dispose of a list of
23186 reachable handlers.
23188 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23190 * flow.c (split_edge): Set JUMP_LABEL field.
23191 (commit_one_edge_insertion): Set head correctly for insert_before.
23192 When inserting insns, update insn block numbers if allocated.
23194 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23196 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
23197 retry_incomplete_types): Add static prototype.
23198 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
23199 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
23200 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
23201 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
23202 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
23205 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
23206 dwarf2out_start_source_file, dwarf2out_line): Likewise.
23208 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23210 * output.h (assemble_name): Constify a char*.
23212 * varasm.c (UNIQUE_SECTION, assemble_start_function,
23213 assemble_variable, assemble_name): Likewise.
23215 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
23217 * arm/pe.c (arm_pe_unique_section): Likewise.
23219 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
23221 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
23223 * i386/interix.c (i386_pe_unique_section): Likewise.
23225 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
23227 * i386/winnt.c (i386_pe_unique_section): Likewise.
23229 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
23231 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
23233 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
23235 * pa/pa.c (output_call): Likewise.
23237 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
23239 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
23241 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
23244 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
23247 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
23249 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
23250 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
23252 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
23254 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23256 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
23258 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23260 * tree.h (lang_identify): Constify a char*.
23261 (print_error_function): Add extern prototype. Constify a char*.
23263 * c-lang.c (lang_identify): Constify a char*.
23265 * objc/objc-act.c (lang_identify): Constify a char*.
23267 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23269 * genpeep.c (main): Make generated file include "function.h".
23270 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
23272 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23274 * Makefile.in: Update dependencies.
23275 * alias.c: Include "function.h"
23276 * c-decl.c: Likewise.
23277 * caller-save.c: Likewise.
23278 * calls.c: Likewise.
23279 * combine.c: Likewise.
23281 * explow.c: Likewise.
23282 * final.c: Likewise.
23283 * global.c: Likewise.
23284 * graph.c: Likewise.
23285 * local-alloc.c: Likewise.
23286 * loop.c: Likewise.
23287 * optabs.c: Likewise.
23288 * profile.c: Likewise.
23289 * recog.c: Likewise.
23290 * regclass.c: Likewise.
23291 * regmove.c: Likewise.
23292 * reload.c: Likewise.
23293 * reorg.c: Likewise.
23294 * resource.c: Likewise.
23295 * sched.c: Likewise.
23296 * stupid.c: Likewise.
23297 * config/1750a/1750a.c: Likewise.
23298 * config/a29k/a29k.c: Likewise.
23299 * config/arc/arc.c: Likewise.
23300 * config/arm/arm.c: Likewise.
23301 * config/arm/thumb.c: Likewise.
23302 * config/c4x/c4x.c: Likewise.
23303 * config/clipper/clipper.c: Likewise.
23304 * config/convex/convex.c: Likewise.
23305 * config/fx80/fx80.c: Likewise.
23306 * config/i860/i860.c: Likewise.
23307 * config/m68k/m68k.c: Likewise.
23308 * config/m88k/m88k.c: Likewise.
23309 * config/mips/mips.c: Likewise.
23310 * config/pdp11/pdp11.c: Likewise.
23311 * config/pyr/pyr.c: Likewise.
23312 * config/romp/romp.c: Likewise.
23313 * config/sh/sh.c: Likewise.
23314 * config/tahoe/tahoe.c: Likewise.
23315 * config/vax/vax.c: Likewise.
23316 * config/we32k/we32k.c: Likewise.
23317 * config/sparc/sparc.c: Include "function.h".
23318 (mem_min_alignment): Test current_function rather than
23319 regno_pointer_align.
23320 * config/pa/pa.c: Likewise.
23321 (compute_frame_size): Delete declaration of
23322 current_function_outgoing_args_size.
23323 * config/arc/arc.h (current_function_varargs): Delete declaration.
23324 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
23326 * config/i370/i370.h (current_function_outgoing_args_size): Delete
23328 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
23329 current_function_uses_pic_offset_table.
23330 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
23331 of current_function_returns_pointer.
23332 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23333 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23334 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23335 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23336 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23337 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23338 * config/m88k/m88k.c: Include "function.h"
23339 (call_used_regs, current_function_pretend_args_size,
23340 current_function_outgoing_args_size, frame_pointer_needed): Delete
23342 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
23344 * config/mips/mips.h (current_function_calls_alloca): Delete
23346 * config/mn10200/mn10200.h (current_function_needs_context,
23347 rtx_equal_function_value_matters): Delete declarations.
23348 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
23349 flag_pic): Delete declarations.
23350 * config/pa/pa.h (current_function_pretend_args_size,
23351 current_function_decl): Delete declarations.
23352 * config/pa/som.h (current_function_varargs): Delete declaration.
23353 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
23355 * config/pyr/pyr.h (current_function_pretend_args_size,
23356 current_function_args_size, current_function_calls_alloca): Delete
23358 * config/sh/sh.h (current_function_varargs): Delete declaration.
23359 * config/sparc/sparc.h (current_function_outgoing_args_size,
23360 current_function_calls_alloca, current_function_decl): Delete
23362 * config/spur/spur.h (current_function_pretend_args_size,
23363 current_function_calls_alloca): Delete declarations.
23364 * config/v850/v850.c (current_function_outgoing_args_size): Delete
23366 * config/vax/vms.h (current_function_name): Delete declaration.
23367 * gcse.c: Include "function.h".
23368 (current_function_name, current_function_calls_setjmp): Delete
23370 * haifa-sched.c: Include "function.h".
23371 (forced_labels): Delete declaration.
23372 * jump.c: Likewise.
23373 * reg-stack.c: Likewise.
23374 * reload1.c: Likewise.
23375 * genemit.c (main): Make generated file include function.h.
23376 * genoutput.c (output_prologue): Likewise.
23378 * builtins.c (saveregs_value, apply_args_value): Delete variables.
23379 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
23380 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
23381 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
23382 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
23383 macros for some of them.
23384 (emit_filename, emit_lineno): Delete declarations.
23385 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
23386 regno_pointer_* variables through current_function.
23387 (gen_inline_header_rtx): Delete function.
23388 (save_emit_status): Delete function.
23389 (set_new_last_label_num): New function.
23390 (clear_emit_caches): New function.
23391 (restore_emit_status): Just clear last_labelnum and call
23393 (get_last_insn_anywhere): Variable sequence_stack is now accessed
23394 through macro seq_stack.
23395 (add_insn_after): Likewise.
23396 (add_insn_before): Likewise.
23397 (remove_insn): Likewise.
23398 (pop_topmost_sequence): Likewise.
23399 (in_sequence_p): Likewise.
23400 (start_sequence_for_rtl_expr): Likewise.
23401 (start_sequence): Likewise, and likewise for
23402 sequence_rtl_expr/seq_rtl_expr.
23403 (push_topmost_sequence): Likewise.
23404 (end_sequence): Likewise.
23405 (init_virtual_regs): Now takes a "struct emit_status *" argument.
23406 All callers changed. Store into that pointer instead of globals.
23407 (init_emit): Allocate emit elt of current_function.
23408 Changes for sequence_rtl_expr/sequence_stack renaming.
23409 Call clear_emit_caches instead of doing it in-line.
23410 Access regno_pointer_* variables through current_function.
23411 (init_emit_once) Don't clear sequence_stack.
23413 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
23415 (arg_pointer_save_area): Delete declaration.
23416 (finish_expr_for_function): Renamed from init_queue; no longer static.
23417 (init_expr): Don't call init_queue.
23418 (save_expr_status, restore_expr_status): Delete functions.
23419 (expand_expr): Changes to reflect new layout of struct function.
23420 Don't access current_function_check_memory_usage when current_function
23422 * expr.h (forced_labels, save_expr_regs, saveregs_value,
23423 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
23424 current_function_outgoing_args_size, current_function_arg_offset_rtx,
23425 current_function_uses_const_pool, function_call_count,
23426 current_function_uses_pic_offset_table, nonlocal_labels,
23427 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
23428 current_function_check_memory_usage, nonlocal_goto_handler_slots,
23429 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
23431 (finish_expr_for_function): Declare.
23432 * flags.h (current_function_has_nonlocal_label,
23433 current_function_has_nonlocal_goto, current_function_is_thunk,
23434 current_function_has_computed_jump): Delete declarations.
23435 * flow.c (forced_labels): Delete declaration.
23436 * function.c (current_function_pops_args,
23437 current_function_returns_struct, current_function_returns_pcc_struct,
23438 current_function_needs_context, current_function_calls_setjmp,
23439 current_function_calls_longjmp, current_function_has_nonlocal_label,
23440 current_function_has_nonlocal_goto, current_function_is_thunk,
23441 current_function_has_computed_jump, current_function_calls_alloca,
23442 current_function_contains_functions, current_function_returns_pointer,
23443 current_function_epilogue_delay_list, current_function_args_size,
23444 current_function_pretend_args_size, current_function_arg_offset_rtx,
23445 current_function_outgoing_args_size, current_function_varargs,
23446 current_function_stdarg, current_function_args_info, cleanup_label,
23447 current_function_name, current_function_uses_const_pool,
23448 current_function_instrument_entry_exit, current_function_return_rtx,
23449 current_function_uses_pic_offset_table, nonlocal_labels,
23450 current_function_internal_arg_pointer, current_function_cannot_inline,
23451 current_function_check_memory_usage, function_call_count,
23452 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
23453 nonlocal_goto_stack_level, return_label, save_expr_regs,
23454 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
23455 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
23456 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
23457 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
23458 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
23460 (push_function_context_to): Don't save them. Don't call
23461 save_storage_status, save_emit_status or save_expr_status.
23462 (pop_function_context_from): Don't restore them. Don't call
23463 restore_storage_status or restore_expr_status.
23464 (get_func_frame_size): New function.
23465 (get_frame_size): Use it.
23466 (assign_outer_stack_local): Reflect some member name changes in struct
23468 (put_reg_into_stack): Likewise.
23469 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
23471 (fixup_var_refs): Likewise.
23472 (fix_lexical_addr): Likewise.
23473 (trampoline_address): Likewise.
23474 (prepare_function_start): Clear field inlinable of current_function.
23475 (init_function_for_compilation): New function.
23476 (expand_dummy_function_end): New function.
23477 (expand_function_end): Call finish_expr_for_function.
23478 * function.h (struct emit_status): New; fields moved here from struct
23479 function and from global variables. Add accessor macros for some of
23481 (struct expr_status): Likewise.
23482 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
23483 (struct function): Add fields expr and emit, inlinable, inl_emit,
23484 original_arg_vector, original_decl_initial, inl_last_parm_insn,
23485 inl_max_label_num. Add many comments.
23486 Add accessor macros for all elts of struct function that no longer
23487 have a global variable.
23488 (cleanup_label, return_label, frame_offset, tail_recursion_label,
23489 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
23490 stack_slot_list): Delete declarations.
23491 (get_func_frame_size): Declare.
23492 (save_expr_status, restore_expr_status, save_emit_status,
23493 save_storage_status, restore_storage_status): Delete declarations.
23494 (init_virtual_regs): Declare.
23495 * output.h (current_function_pops_args,
23496 current_function_returns_struct, current_function_returns_pcc_struct,
23497 current_function_needs_context, current_function_calls_setjmp,
23498 current_function_calls_longjmp, current_function_calls_alloca,
23499 current_function_has_nonlocal_label, current_function_varargs,
23500 current_function_has_computed_jump, current_function_returns_pointer,
23501 current_function_contains_functions, current_function_args_size,
23502 current_function_pretend_args_size, current_function_stdarg,
23503 current_function_outgoing_args_size, current_function_args_info,
23504 current_function_name, current_function_return_rtx,
23505 current_function_epilogue_delay_list,
23506 current_function_uses_const_pool, current_function_cannot_inline):
23507 Delete declarations.
23508 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
23509 regno_reg_rtx): Delete declaration.
23510 (REGNO_POINTER_FLAG): Delete macro.
23511 * stmt.c (expand_goto): Changes to reflect that some fields in struct
23512 function were renamed.
23513 * stor-layout.c (save_storage_status, restore_storage_status): Delete
23515 * toplev.c: Include "function.h".
23516 (current_function_decl): Delete declaration.
23517 (compile_file): Call init_dummy_function_start and
23518 expand_dummy_function_end around some initializations that need to
23520 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
23521 Call init_function_for_compilation.
23522 * unroll.c: Include "function.h"
23523 (unroll_loop): Access regno_pointer_* variables through
23526 * tree.h (struct tree_decl): Add elt f to saved_insns member.
23527 (DECL_SAVED_INSNS): use it.
23528 (expand_dummy_function_end): Declare.
23529 (init_function_for_compilation): Declare.
23530 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
23531 that it's no longer an INLINE_HEADER.
23532 (expand_call): Likewise.
23533 * integrate.c (finish_inline): Delete function.
23534 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
23535 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
23536 args. Don't generate an INLINE_HEADER rtx, just return the arg
23537 vector. All callers changed.
23538 (save_for_inline_copying): Create a duplicate struct emit_status to
23539 hold the emit state for compiling the current function. Use this and
23540 the other new fields in struct function that are for integration
23541 instead of an INLINE_HEADER.
23542 Use memcpy instead of bcopy.
23543 Store the current struct function in DECL_SAVED_INSNS of fndecl.
23544 (save_for_inline_nocopy): Similar changes, except no new emit_status
23546 (expand_inline_function): Get information from function structure,
23547 not from an inline header rtx.
23548 (output_inline_function): Lose code to extract the necessary
23549 information from an inline header; simply put back the function
23550 structure into current_function. Clear its inlinable elt.
23551 * rtl.def (INLINE_HEADER): Delete.
23552 * rtl.h: Delete all accessors for an INLINE_HEADER.
23553 (gen_inline_header_rtx): Delete declaration.
23554 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
23555 Delete declarations.
23556 (REGNO_POINTER_ALIGN): Delete.
23557 (clear_emit_caches): Declare.
23558 (set_new_last_label_num): Declare.
23560 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
23562 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
23564 * except.c (expand_eh_region_start_for_decl): Always start a new block.
23565 * stmt.c (is_eh_region): Make sure current_function is present, too.
23567 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
23569 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
23570 for 64bit PA targets.
23572 * pa.h (SELECT_SECTION): Define.
23573 * som.h (SELECT_SECTION): Delete.
23575 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23577 * alias.c (init_alias_analysis): Wrap call to
23578 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
23580 1999-08-07 Bruce Korb <autogen@linuxbox.com>
23582 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
23583 <sys/asm.h> contains an asm comment with an apostrophe
23584 * fixinc/inclhack.sh: regen
23585 * fixinc/fixincl.x: regen
23587 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
23589 * function.c (init_function_start): Clear prologue & epilogue.
23590 (prologue_epilogue_contains): New function.
23591 * alias.c (init_alias_analysis): Use it.
23592 * rtl.h (prologue_epilogue_contains): Declare it.
23594 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
23596 * jump.c (onlyjump_p): New function.
23597 * rtl.h: Declare it.
23598 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
23599 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
23601 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
23603 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
23604 to invert loops. Simplify block scanning.
23606 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23608 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
23609 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
23611 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
23613 * config/sparc/liteelf.h: New file to support sparclite-elf target
23614 * config/sparc/t-sp86x: New file to support sparc86x targets
23615 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
23616 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
23617 * configure.in: Support above target triplets
23618 * configure: Regenerated
23620 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
23622 * fixinc/server.c (server_setup): Do not prefix function used as
23623 parameter with `&'.
23625 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
23627 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
23628 Remove fp reg alternatives.
23630 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
23632 * Makefiin (TAROUTOPTS): Kill.
23633 (install-headers-tar): Use "xpf" for tar headerfile extraction
23634 * i370/x-oe (TAROUTOPTS): Delete.
23635 * m68k/x-apollo68 (TAROUTOPTS): Delete.
23636 * m68k/x-hp320 (TAROUTOPTS): Delete.
23637 * m68k/x-hp320g (TAROUTOPTS): Delete.
23638 * gcc.texi: Update bug reporting text.
23640 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
23642 * reg-stack.c (change_stack) Fixed problem with negative array index.
23644 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
23646 * extend.texi, install.texi: Fix spelling mistakes.
23648 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
23649 (s-attrtab); No longer try to use pre-made insn-attrtab file.
23650 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
23651 PREMADE_ATTRTAB_MD.
23652 * mips/t-ecoff: Likewise.
23653 * mips/t-elf: Likewise.
23654 * mips/t-mips: Likewise.
23655 * mips/t-osfrose: Likewise.
23656 * mips/t-r3900: Likewise.
23657 * mips/t-svr3: Likewise.
23658 * mips/t-svr4: Likewise.
23659 * mips/t-ultrix: Likewise.
23661 * gcc.texi: Document recommend means to provide software floating
23662 point libraries in libgcc.a
23664 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
23666 * c-lex.c (yylex): We can have a number with no digits.
23668 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
23670 * jump.c (delete_prior_computation): New function, broken
23671 out of delete_computation. Check for side effects with
23672 side_effects_p instead of FIND_REG_INC_NOTE. Handle
23673 multi-word hard registers.
23674 (delete_computation): Use it. Check for side effects with
23675 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
23676 missing REG_DEAD note for a register which is both set and
23679 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
23681 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
23682 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
23683 (ASM_FILE_START): Import _mcount with the right type.
23684 (ASM_DECLARE_FUNCTION_NAME): Define.
23685 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
23686 * pa.c (output_function_prologue): Always emit the function's label
23688 * pa.h (TEXT_SPACE_P): Define.
23689 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23690 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
23691 * som.h (TEXT_SPACE_P): Delete.
23692 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23693 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
23695 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
23697 * expr.c (emit_group_load): Allow src to be a CONCAT.
23699 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23701 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
23702 (___mulsi3): Use '!' comment character.
23704 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23706 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
23708 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
23710 * gcc.c: Update URLs and mail addresses.
23711 * gcc.texi: Likewise.
23713 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
23715 * rs6000.c (current_file_function_operand): Return zero for
23717 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
23719 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
23722 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
23724 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
23725 allocate space in the stack frame for the PIC register.
23727 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
23729 * m68k.md (xordi3, anddi3): These patterns are not available on
23732 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
23734 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
23735 (PUT_REAL): Likewise.
23737 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23739 * final.c (shorten_branches): Don't add an alignment for loops
23740 that have no label inside.
23742 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23744 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
23745 prototypes in macro HAVE_cmpstrsi.
23747 * cpplib.c (cpp_get_token): Remove unused label `op3'.
23749 * emit-rtl.c (operand_subword): Remove unused variable
23752 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
23754 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
23756 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
23758 * cpphash.c (macroexpand): Delete leading whitespace when arg
23759 is concatenated before.
23760 (unsafe_chars): Correct test for whether + and - can extend a
23763 * cppinit.c (cpp_start_read): Do dependencies for
23764 -include/-imacros files also.
23766 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
23767 tokenizing non-directive lines.
23768 (cpp_expand_to_buffer): Temporarily disable no-output mode.
23769 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
23772 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23774 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
23776 * c-lex.c: Sync with C++ frontend.
23777 (linemode): New variable.
23778 (parse_float): imag, conversion_errno, and type are output only.
23779 (yylex): Adjust. Move initial '.' case into main switch.
23781 (handle_generic_pragma): Just deal with tokens.
23782 (readescape): Use ISXDIGIT and ISGRAPH.
23783 * c-parse.in: Add END_OF_LINE token.
23785 * c-lex.c (lang_init): Generalize.
23786 (nextchar): Remove. Replace uses with UNGETC.
23787 (skip_white_space): Handle linemode here. Optimize for cpplib.
23788 (skip_white_space_on_line): Remove.
23789 (extend_token_buffer_to): New fn.
23790 (extend_token_buffer): Use it.
23791 (read_line_number, check_newline): Just deal with tokens.
23792 (token_getch, token_put_back): New fns.
23793 (yylex): Use them. More cpplib optimizations. Simplify.
23795 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
23796 Jason Merrill <jason@yorick.cygnus.com>
23798 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
23799 (consume_string): Make this smart about USE_CPPLIB.
23800 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
23801 (yylex): Rewrite to be intelligent about USE_CPPLIB.
23802 Also, clean up cases where we redundantly set token_buffer[0].
23803 (read_line_number): New fn.
23804 (ignore_escape_flag): New variable.
23806 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
23808 * a29k/t-a29kbare: Fix some comments.
23809 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
23810 (FPBIT, DPBIT): Define.
23811 * a29k/t-vx29k: Likewise.
23812 * arc/t-arc: Likewise.
23813 * arm/t-arm-elf: Likewise.
23814 * arm/t-bare: Likewise.
23815 * arm/t-pe: Likewise.
23816 * arm/t-pe-thumb: Likewise.
23817 * arm/t-semi: Likewise.
23818 * arm/t-thumb: Likewise.
23819 * arm/t-thumb-elf: Likewise.
23820 * arm/t-thumb-linux: Likewise.
23821 * h8300/t-h8300: Likewise.
23822 * i960/t-i960: Likewise.
23823 * i960/t-vxworks960: Likewise.
23824 * m32r/t-m32r: Likewise.
23825 * mips/t-ecoff: Likewise.
23826 * mips/t-elf: Likewise.
23827 * mips/t-r3900: Likewise.
23828 * pa/t-pro: Likewise.
23829 * rs6000/t-aix43: Likewise.
23830 * rs6000/t-beos: Likewise.
23831 * rs6000/t-newas: Likewise.
23832 * rs6000/t-ppccomm: Likewise.
23833 * rs6000/t-rs6000: Likewise.
23834 * rs6000/t-winnt: Likewise.
23835 * rs6000/t-xnewas: Likewise.
23836 * rs6000/t-xrs6000: Likewise.
23837 * sh/t-sh: Likewise.
23838 * sparc/t-elf: Likewise.
23839 * sparc/t-sparcbare: Likewise.
23840 * sparc/t-sparclite: Likewise.
23841 * sparc/t-splet: Likewise.
23842 * v850/t-v850: Likewise.
23843 * mn10200/t-mn10200: Fix comments.
23844 * mn10300/t-mn10300: Likewise.
23846 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
23847 dummy operand. Allocate a new pseudo for the dummy operand.
23848 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
23850 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
23852 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
23854 * configure: Rebuilt.
23855 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
23857 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
23859 * recog.c (preproces_constraints): Zero recog_op_alt before
23860 processing the constraints.
23862 * arm.c (typedef minipool_node): Renamed from pool_node.
23863 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
23864 (add_minipool_constant): New function.
23865 (dump_minipool): New function.
23866 (find_barrier): Remove special case for getting the insn size of
23867 an insn that references the constant pool.
23868 (minipool_fixup): New structure.
23869 (push_minipool_barrier): New function.
23870 (push_minipool_fix): New function.
23871 (note_invalid_constants): New function.
23872 (add_pool_constant, dump_table, fixit, broken_move): Delete.
23873 (arm_reorg): Rewrite code to fix up the constant pool into a
23874 series of mini-pools embedded in the insn stream.
23875 (arm_output_epilogue): New function, made mainly from the body
23876 of output_func_epilogue.
23877 (output_func_epilogue): Move insn generation part of epilogue code
23878 to arm_output_epilogue.
23879 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
23880 * arm.md (pool_range): New attribute.
23881 (zero_extendqidi2): Add attribute pool_range.
23882 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
23883 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
23884 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
23885 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
23886 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
23887 (epilogue): New expand.
23888 (epilogue_insn): New insn. Call arm_output_epilogue.
23890 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
23891 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
23893 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23895 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
23897 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
23899 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
23901 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
23903 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
23905 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
23907 * global.c: Fix comment.
23909 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
23911 * gcc.c (access_check): New static function.
23912 (find_a_file): Use it when searching a directory list.
23913 * collect2.c (find_a_file): Don't accept directories found when
23914 searching a directory list.
23916 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
23918 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
23919 function parameters with `&'.
23920 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
23922 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
23924 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
23925 or tidy_fallthru_edge if the last insn in the block is not
23926 an unconditional jump or a simple conditional jump.
23928 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23930 * Makefile.in (c-decl.o): Depends on defaults.h.
23932 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
23934 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
23936 (CLASS_MAX_NREGS): Likewise.
23938 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
23940 * cse.c (cse_insn): Fix dumb thinko in last change.
23942 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23944 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
23947 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
23949 * dwarf2out.c (add_location_or_const_value_attribute): Correct
23950 test for sizes of passed and declared parameter types.
23952 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23954 * fixincludes: Fix the return type of bsearch, char* -> void*.
23956 * fixinc/inclhack.def: Likewise.
23958 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
23960 * invoke.texi (-fdump-translation-unit): New option.
23962 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
23964 * expr.h (PROMOTE_PROTOTYPES): Move ...
23965 * defaults.h: ... to here.
23966 * c-decl.c: Include defaults.h instead of expr.h.
23967 * c-typeck.c: Include defaults.h.
23969 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
23971 * toplev.h (errorcount): Declare.
23972 (warningcount): Likewise.
23973 (sorrycount): Likewise.
23974 * c-lex.c (errorcount): Don't declare.
23975 * dwarf2out.c (errorcount): Don't declare.
23977 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
23979 * config/libgloss.h: Add a note discouraging use with ELF.
23980 * configure.in: Don't use libgloss.h for ELF targets.
23981 Always use_collect2 on a.out targets.
23983 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
23985 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
23986 (force_to_mode, case ASHIFTRT): Add shiftrt label.
23988 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23990 * loop.c (strength_reduce): When doing biv->giv conversion, update
23991 reg note of NEXT->insn.
23993 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23995 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
23997 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23999 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
24000 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
24001 Ensure expr.h is included.
24002 * c-typecheck.c (convert_arguments): Ditto.
24004 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
24006 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
24007 * config/convex/convex.h: Ditto.
24008 * config/dsp16xx/dsp16xx.h: Ditto.
24009 * config/fx80/fx80.h: Ditto.
24010 * config/gmicro/gmicro.h: Ditto.
24011 * config/i370/i370.h: Ditto.
24012 * config/i386/i386.h: Ditto.
24013 * config/m32r/m32r.h: Ditto.
24014 * config/m68k/m68k.h: Ditto.
24015 * config/m88k/m88k.h: Ditto.
24016 * config/mips/mips.h: Ditto.
24017 * config/pa/pa.h: Ditto.
24018 * config/pyr/pyr.h: Ditto.
24019 * config/tahoe/tahoe.h: Ditto.
24020 * config/we32k/we32k.h: Ditto.
24022 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
24023 based on arch size.
24025 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
24027 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
24030 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
24032 1999-08-02 Richard Henderson <rth@cygnus.com>
24034 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
24035 for the register spill block.
24036 (m32r_va_arg): New.
24037 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
24038 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
24040 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
24041 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
24042 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
24044 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24046 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
24047 MAX_WCHAR_TYPE defined in sparc.h.
24048 * config/sparc/linuxaout.h: Likewise.
24049 * config/sparc/linux64.h: Likewise.
24050 Also default to -mvis if CPU is UltraSPARC.
24052 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24054 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
24055 (RTX_OK_FOR_OLO10): Likewise.
24056 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
24057 %lo(), allow it in addresses...
24058 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
24059 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
24060 does not make sense.
24061 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
24062 (sparc_output_scratch_registers): New function.
24063 (output_function_prologue, sparc_flat_output_function_prologue): Use
24065 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
24067 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
24068 * configure.in: Add check for .register pseudo-op support in as and
24069 check for offsetable %lo().
24070 * acconfig.h: Add templates for the above checks.
24071 * configure: Regenerate.
24073 1999-08-02 Richard Henderson <rth@cygnus.com>
24075 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
24076 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
24077 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
24079 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24081 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
24084 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24086 * config/float-sparc.h: New file.
24087 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
24088 sparc-*-linux-gnu and sparc64-*-linux*.
24090 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24092 * rs6000.c (rs6000_va_list): Type is an array.
24093 (rs6000_va_start): Don't doubly adjust for varargs.
24094 (rs6000_va_arg): Evaluate long long GPR adjustment.
24096 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
24098 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
24099 -maix64 and -maix32.
24100 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
24101 LINK_SPEC): Change appropriately.
24102 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
24103 (u_short_cint_operand): Likewise.
24104 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
24106 * rs6000/t-aix43 (MULTILIB): Change to -m64.
24108 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
24110 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
24112 * rs6000/rs6000.c (num_insns_constant_wide): Correct
24113 for type promotion.
24114 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
24115 (non_add_cint_operand): Likewise.
24116 (logical_operand): Likewise.
24117 (non_logical_cint_operand): Likewise.
24118 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
24119 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
24120 (rs6000_select_rtx_section): Suppress warning.
24121 (small_data_operand): Suppress warning.
24122 (rs6000_got_register): Suppress warning.
24123 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
24124 type, so `J' is generally the wrong constraint for a SImode value;
24126 (andsi3_internal2): Likewise.
24127 (andsi3_internal3): Likewise.
24128 (iorsi3_internal1): Likewise.
24129 (xorsi3_internal1): Likewise.
24131 (movsf_softfloat): Likewise.
24132 (scc insns): Likewise.
24133 (movsi+2): Preserve sign bits of SImode constant.
24134 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
24135 (movdf+1): Sign-extend properly.
24136 (movdi_32+1): Sign-extend properly.
24137 (scc insns): Sign-extend properly.
24139 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
24142 1999-08-02 Richard Henderson <rth@cygnus.com>
24144 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
24145 -mcpu parsing code.
24146 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
24147 * alpha.md (all fp insns): Likewise.
24149 1999-08-02 Nick Clifton <nickc@cygnus.com>
24151 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
24154 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
24156 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
24157 pic_load_label generator directly.
24158 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
24159 No longer a named pattern.
24161 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
24163 * explow.c (force_reg): Call force_operand if X does not
24164 satisfy general_operand.
24166 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
24168 * fix-header.c (main): When testing for CONTINUED, use string
24169 equality, not pointer equality.
24171 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
24173 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
24175 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
24177 * cse.c (cse_insn): Fix loop which deletes insns after a jump
24178 that has become an unconditional jump.
24180 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
24181 (output_function_epilogue): Similarly.
24183 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24185 * tree.h (init_dummy_function_start): Declare.
24187 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24189 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
24190 last_expr_type, last_expr_value, block_start_count, block_stack,
24191 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
24192 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
24193 dynamically in stmt elt of struct function for each function.
24194 (struct nesting): Rename function_call_count elt to n_function_calls,
24195 target_temp_slot_level to block_target_temp_slot_level. All users
24197 (struct stmt_status): New structure definition.
24198 Add many accessor macros for stmt_status elements which previously
24199 were global variables.
24200 (init_stmt_for_function): Allocate stmt elt for current_function.
24201 Reflect that block_start_count was renamed to
24202 current_block_start_count.
24203 (save_stmt_status, restore_stmt_status): Delete functions.
24204 (preserve_subexpressions_p): Don't access loop_stack when outside
24206 (expand_start_bindings): Reflect that block_start_count was renamed to
24207 current_block_start_count.
24208 (expand_fixup): Likewise.
24209 (expand_decl): Don't access block_stack when outside a function.
24210 (expand_decl_cleanup): Likewise.
24211 (expand_dcc_cleanup): Likewise.
24212 (expand_dhc_cleanup): Likewise.
24213 (expand_anon_union_decl): Likewise.
24214 (set_file_and_line_for_stmt): New function.
24215 (in_control_zone_p): New function.
24217 * function.h (struct function): Add new elt stmt.
24218 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
24219 case_stack, nesting_stack, nesting_depth, block_start_count,
24220 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
24221 emit_lineno, goto_fixup_chain.
24222 (save_eh_status, restore_eh_status, save_stmt_status,
24223 restore_stmt_status): Delete declarations.
24224 * function.c (push_function_context_to): Don't call save_stmt_status.
24225 (pop_function_context_to): Don't call restore_stmt_status.
24226 * tree.h (in_control_zone_p): Declare.
24227 * rtl.h (set_file_and_line_for_stmt): Declare.
24229 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
24230 call set_file_and_line_for_stmt.
24232 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
24234 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
24235 Also update copyright.
24237 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24239 * c-pragma.c: Don't include "except.h".
24240 * emit-rtl.c: Likewise.
24241 * stor-layout.c: Likewise.
24242 * tree.c: Likewise.
24243 * varasm.c: Likewise.
24245 * flow.c: Include "function.h".
24246 * tree.h (init_dummy_function_start): Declare new function.
24248 * except.h (struct eh_status): New structure.
24249 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
24251 (eh_return_stub_label, ehstack, catchstack, ehqueue,
24252 catch_clauses, false_label_stack, caught_return_label_stack,
24253 protect_list, current_function_ehc): Add accessor macros for the
24254 corresponding fields in current_function->eh; delete declarations
24255 for all items that used to be declared here.
24256 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
24257 catch_clauses, false_label_stack, caught_return_label_stack,
24258 protect_list, current_function_ehc): Delete variables.
24259 (init_eh_for_function): Allocate current_function->eh.
24260 (save_eh_status, restore_eh_status): Delete functions.
24262 * function.h (struct function): Add fields next_global and eh.
24263 Delete all exception handling related fields.
24264 * function.c (current_function): New variable.
24265 (all_functions): New variable.
24266 (push_function_context_to): Don't allocate a struct function,
24267 use current_function instead. Call init_dummy_function_start when
24268 outside a function. Clear current_function before returning.
24269 (pop_function_context_from): Restore current_function.
24270 Don't free the restored struct function.
24271 (prepare_function_start): New function.
24272 (init_dummy_function_start): New function.
24273 (init_function_start): Break out some code into prepare_function_start
24276 * stmt.c (save_stmt_status): Don't call save_eh_status.
24277 (restore_stmt_status): Don't call restore_eh_status.
24279 * Makefile.in: Update dependencies.
24281 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
24283 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
24284 of depending on a magic constant value. Update comments.
24285 (hppa_expand_prologue): Similarly.
24287 * pa.md (reload_indi, reload_outdi): Allow any register for the
24288 original reload register.
24290 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
24292 * cccp.c (print_help): Change marcos to macros.
24294 1999-07-30 Richard Henderson <rth@cygnus.com>
24296 * c-typeck.c (initializer_constant_valid_p): Move ...
24297 * c-common.c (initializer_constant_valid_p): ... here. Use
24298 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
24299 of label addresses.
24300 * c-common.h (initializer_constant_valid_p): Declare.
24301 * c-tree.h (initializer_constant_valid_p): Remove.
24303 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
24305 * config/i386/sol2-c1.asm: Align the stack.
24306 * config/i386/sol2-gc1.asm: Likewise.
24308 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
24310 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
24311 -Asparclite for sparc86x.
24312 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
24314 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
24316 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
24318 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
24319 the user if using the non-default arch size in BI_ARCH configuration.
24320 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
24322 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
24323 Fix patterns so that they actually match.
24324 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
24325 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
24326 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
24328 (mulsidi3): Reflect this in the expand.
24329 (smulsi3_highpart): Only on TARGET_ARCH32.
24330 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
24331 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
24332 (umulsidi3): Reflect this in the expand.
24333 (umulsi3_highpart): Only on TARGET_ARCH32.
24334 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
24335 don't require g0 to be zero.
24336 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
24337 ({,u}divsi3): New expands.
24338 ({,u}divsi3_sp64): New patterns.
24339 (after lshrdi3_v8plus): Four new patterns to help combiner
24340 optimizing nested mixed mode shifts.
24342 * config/sparc/sparc.c (sparc_override_options): Use deprecated
24343 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
24344 speed things up. Don't use them by default on plain v9 in 64bit
24345 mode, according to what SPAMv9 sais.
24347 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
24348 top 32 bits of %[og][0-7] in signal handlers.
24349 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
24351 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
24353 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
24354 (ashlsi3): Corresponding changes.
24356 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
24358 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
24360 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
24362 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24364 * arm.h (Hint): Delete macro.
24365 Substitute HOST_WIDE_INT for Hint in some prototypes.
24366 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
24368 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
24370 * builtins.c (expand_builtin_setjmp): Use force_operand to
24371 make sure that the buffer address is in a suitable form to be
24372 passed to force_reg.
24374 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
24376 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
24379 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
24381 * pa.md (indirect_jump): Remove mode from match_operand. Verify
24382 proper mode in the condition string.
24383 (icacheflush, dcacheflush): Remove modes from match_operands.
24385 * pa.c (emit_move_sequence): Always convert scratch_reg to the
24386 proper mode before using it.
24388 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
24391 * pa.c (store_reg): Do not call add_high_const generator directly.
24392 (load_reg, set_reg_plus_d): Likewise.
24393 * pa.md (add_high_const): No longer a named pattern.
24395 * pa.c (legitimize_address): Consistently use Pmode rather than
24396 SImode. Do not call gen_pic2_highpart directly anymore.
24397 * pa.md (pic2_highpart): No longer a named pattern.
24398 (pic2_lo_sum): Similarly. Reformat to make more readable.
24400 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
24405 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24407 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
24409 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
24411 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
24412 and tag the spill mems.
24413 (hppa_va_start): New.
24414 (hppa_va_arg): New.
24415 * pa.h (EXPAND_BUILTIN_VA_START): New.
24416 (EXPAND_BUILTIN_VA_ARG): New.
24418 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
24420 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
24421 and tag the spill mems.
24422 (mn10300_va_start): New.
24423 (mn10300_va_arg): New.
24424 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
24425 (EXPAND_BUILTIN_VA_ARG): New.
24427 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
24429 * mn10200.c (mn10200_va_arg): New.
24430 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
24432 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
24434 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
24435 rather than play with TREE_INT_CST_LOW.
24437 1999-07-27 Philip Blundell <pb@nexus.co.uk>
24439 * config/arm/telf.h: Include dbxelf.h.
24440 (CPP_PREDEFINES): Only define if not already defined.
24441 (ASM_IDENTIFY_GCC): Likewise.
24442 (SUBTARGET_EXTRA_SECTIONS): Likewise.
24443 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
24444 * config/arm/thumb.h (LINK_SPEC): Only define if not already
24446 (DBX_DEBUGGING_INFO): Don't define.
24447 * config/arm/linux-telf.h: New file.
24448 * config/arm/linux-tgas.h: New file.
24449 * config/arm/t-thumb-linux: New file.
24450 * config/arm/uclinux-elf.h: New file.
24451 * config/arm/uclinux-telf.h: New file.
24452 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
24453 thumb-*-uclinux): New targets.
24454 * configure: Regenerate.
24456 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
24458 * pa.md (post_store, pre_load): New expanders.
24459 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
24460 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
24461 need to directly generate RTL for them.
24462 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
24465 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
24467 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
24468 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
24469 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
24470 (secndary_reload_class): Make TARGET_ELF conditional compile.
24471 (print_operand_address): Similar.
24472 (output_toc): Print all values as hex.
24473 (get_issue_rate): Rearrange and add RS64A and PPC630.
24474 * rs6000.h (processor_type): Add RS64A and PPC630.
24475 (PROCESSOR_POWERPC64): New.
24476 (PROMOTE_MODE): Use word_mode.
24477 (RTX_COSTS): Add RS64A and PPC630.
24478 * rs6000.md (scheduling information): Add lmul and ldiv
24479 representing 64-bit integer multiply and divide. Add rs64a and
24480 PPC630 information.
24481 (ashldi3): Add support for "rldic" instruction.
24482 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
24484 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
24486 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
24487 instead of V8 for sparclite86x in cpu_table.
24489 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24491 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
24492 output_file_directive.
24494 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
24496 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
24497 tree for op1, not the rtl.
24499 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
24501 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
24502 to m88k_va_start, leaving only the register spill.
24503 (m88k_build_va_list): New.
24504 (m88k_va_start): New.
24505 (m88k_va_arg): New.
24506 * m88k.h (BUILD_VA_LIST_TYPE): New.
24507 (EXPAND_BUILTIN_VA_START): New.
24508 (EXPAND_BUILTIN_VA_ARG): New.
24510 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
24512 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
24513 Rename from expand_builtin_saveregs.
24514 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
24516 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
24518 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
24519 for the register spill block.
24520 (i960_build_va_list): New.
24521 (i960_va_start): New.
24522 (i960_va_arg): New.
24523 * i960.h (BUILD_VA_LIST_TYPE): New.
24524 (EXPAND_BUILTIN_VA_START): New.
24525 (EXPAND_BUILTIN_VA_ARG): New.
24526 * i960.md (store_multiple): Use change_address on individul mems.
24528 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
24530 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
24532 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
24533 (expand_builtin_va_end): Evaluate arg for side effects.
24534 * c-common.c (c_common_nodes_and_builtins): Construct a
24535 va_list_arg_type_node to handle array decomposition to pointer.
24537 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
24539 * except.c (st_dynamic_cleanup): Use force_operand on the
24542 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
24544 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
24545 * c4x.c (c4x_va_arg): New.
24547 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
24549 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
24550 has manual_pop set.
24552 1999-07-26 Nathan Sidwell <nathan@acm.org>
24554 * eh-common.h (__eh_matcher): Prototype correctly.
24556 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
24558 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
24559 (TARGET_SINGLE_PIC_BASE): Likewise.
24560 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
24562 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
24563 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
24564 (TARGET_OPTIONS): Add -mpic-register=N.
24565 (OUTPUT_INT_ADDR_CONST): New macro.
24566 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
24567 LEGITIMATE_PIC_OPERAND_P): Likewise.
24568 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
24569 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
24570 output_addr_const directly.
24571 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
24573 (thumb_pic_register, thumb_pic_register_string): Declare.
24575 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
24577 (label_mentioned_p): New function: Imported from arm.c.
24578 (legitimize_pic_address): New function: Imported from arm.c.
24579 (is_pic):New function: Imported from arm.c.
24580 (thumb_finalize_pic):New function: Imported from arm.c.
24581 (add_constant): Cope with PIC constants.
24582 (fixit): Cope with PIC constants.
24583 (output_return): Do not treat the PIC register as live if
24584 TARGET_SINGLE_PIC_BASE is true.
24585 (thumb_function_prologue): Do not treat the PIC register as live if
24586 TARGET_SINGLE_PIC_BASE is true.
24587 (thumb_expand_prologue): Do not treat the PIC register as live if
24588 TARGET_SINGLE_PIC_BASE is true.
24589 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
24590 TARGET_SINGLE_PIC_BASE is true.
24591 (thumb_print_operand): Accept '|'.
24592 (thumb_override_options): Process PIC options.
24594 * config/arm/thumb.md (movsi): Support PIC.
24595 (call_insn): Change "i" constraint to "X".
24596 (call_value_insn): Likewise.
24597 (consttable_4, consttable_8, consttable_end): Set and clear
24598 "making_const_table" as appropriate.
24599 (pic_load_addr, pic_add_dot_plus_four): New insns.
24601 * invoke.texi (Thumb Options): Fix spelling. Document new
24602 options -msingle-pic-base and -mpic-register=.
24604 1999-07-26 Andrew Haley <aph@cygnus.com>
24606 * config/m32r/initfini.c (__init): Use a full word immediate for
24607 __fini: this allows it to be placed in any memory region.
24609 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
24610 -mmodel=medium. This is OK for all memory models.
24612 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
24614 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
24615 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
24617 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
24619 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
24622 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
24624 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
24626 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
24627 (BUILD_VA_LIST_TYPE): New.
24628 (EXPAND_BUILTIN_VA_START): New.
24629 (EXPAND_BUILTIN_VA_ARG): New.
24630 * i860.c (output_delayed_branch): Disable.
24631 (output_delay_insn): Likewise.
24632 (i860_saveregs): New.
24633 (i860_build_va_list): New.
24634 (i860_va_start): New.
24635 (i860_va_arg): New.
24636 * i860.md: Disable all peepholes using output_delayed_branch.
24637 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
24639 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
24641 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
24642 (BUILD_VA_LIST_TYPE): New.
24643 (EXPAND_BUILTIN_VA_START): New.
24644 (EXPAND_BUILTIN_VA_ARG): New.
24645 * clipper.c (clipper_builtin_saveregs): Only dump registers.
24646 Return the address of the save area.
24647 (clipper_build_va_list): New.
24648 (clipper_va_start): New.
24649 (clipper_va_arg): New.
24651 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
24653 * arc.h (EXPAND_BUILTIN_VA_START): New.
24654 (EXPAND_BUILTIN_VA_ARG): New.
24655 * arc.c (arc_setup_incoming_varargs): Set alias set of
24657 (arc_va_start): New.
24660 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
24662 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
24663 (BUILD_VA_LIST_TYPE): New.
24664 (EXPAND_BUILTIN_VA_START): New.
24665 (EXPAND_BUILTIN_VA_ARG): New.
24666 * alpha.c (alpha_builtin_saveregs): Delete.
24667 (alpha_build_va_list): New.
24668 (alpha_va_start): New.
24669 (alpha_va_arg): New.
24671 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
24673 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
24675 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
24676 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
24678 * gcc.texi: More changes related to list conversion.
24679 * invoke.texi: Likewise.
24681 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
24683 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
24684 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
24685 (expand_builtin_next_arg): Accept ARGLIST not EXP.
24686 (stabilize_va_list): New function.
24687 (std_expand_builtin_va_start): New function.
24688 (expand_builtin_va_start): New function.
24689 (get_varargs_alias_set): New function.
24690 (std_expand_builtin_va_arg): New function.
24691 (expand_builtin_va_arg): New function.
24692 (expand_builtin_va_end): New function.
24693 (expand_builtin_va_copy): New function.
24694 (expand_builtin): Call them.
24695 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
24696 __builtin_{varargs_start,stdarg_start,end,copy}.
24697 (build_va_arg): New function.
24698 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
24699 (build_va_arg): Declare.
24700 * c-decl.c (ptr_type_node, va_list_type_node): New.
24701 * c-parse.gperf (__builtin_va_arg): New.
24702 * c-parse.in (VA_ARG): New token.
24703 (unary_expr): Recognize it.
24704 * expr.c (expand_expr): Expand VA_ARG_EXPR.
24705 * expr.h (std_expand_builtin_va_start): Declare.
24706 (std_expand_builtin_va_arg): Declare.
24707 (expand_builtin_va_arg): Declare.
24708 (get_varargs_alias_set): Declare.
24709 * tree.def (VA_ARG_EXPR): New.
24710 * tree.h (BUILT_IN_VARARGS_START): New.
24711 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
24712 (ptr_type_node, va_list_type_node): Declare.
24713 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
24714 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
24715 * m88k.h, m88k.c: Likewise.
24716 * mn10300.h, mn10300.c: Likewise.
24717 * pa.h, pa.c: Likewise.
24718 * rs6000.h, rs6000.c: Likewise.
24719 * sh.h, sh.c: Likewise.
24720 * sparc.h, sparc.c: Likewise.
24722 * emit-rtl.c (operand_subword): Copy alias set.
24723 (change_address): Likewise.
24725 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
24727 * pa.c (compute_frame_size): Scan all the used callee saved registers,
24728 not just the first one.
24730 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
24732 * config/arm/arm.h (TARGET_SWITCHES): Add
24733 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
24734 (TARGET_OPTIONS): Add -mpic-register=.
24735 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
24736 (arm_pic_register_string): Declare.
24737 (NEED_PLT_GOT): Delete, replace with ...
24738 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
24739 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
24740 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
24741 * config/arm/arm.c (arm_override_options): Add new option
24743 (arm_pic_register_string): New variable.
24744 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
24745 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
24746 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
24747 (output_return_instruction): Likewise.
24748 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
24749 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
24750 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
24752 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
24753 mention of -msched-prolog. Document new options -msingle-pic-base
24754 and -mpic-register=.
24756 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
24758 * haifa-sched.c (reemit_notes): Tidy.
24759 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
24762 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
24764 * explow.c (trunc_int_for_mode): New function.
24765 (plus_constant_wide): Use it.
24766 * combine.c (simplify_and_const_int): Likewise.
24767 (merge_outer_ops): Likewise.
24768 (simplify_shift_const): Likewise.
24769 * cse.c (simplify_unary_operation): Likewise.
24770 (simplify_binary_operation): Likewise.
24771 * emit-rtl.c (operand_subword): Likewise.
24772 * rtl.h: Declare it.
24774 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24776 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
24777 (use NUM_REGS instead of NUM_INTS).
24779 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24781 * builtins.c: New file.
24782 * expr.c (saveregs_value, apply_args_value): Delete definition,
24783 moved into builtins.c.
24784 (string_constant): No longer static.
24785 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
24786 apply_args_size, apply_result_size, result_vector,
24787 expand_builtin_apply_args, expand_builtin_apply,
24788 expand_builtin_return): Delete functions, moved into builtins.c.
24789 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
24790 * expr.h (saveregs_value, apply_args_value): Declare variables.
24791 (expand_builtin, string_constant): Declare functions.
24792 * Makefile.in: Update to build builtin.o.
24794 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
24796 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
24797 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
24798 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
24799 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
24801 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
24804 1999-07-21 Michael Meissner <meissner@cygnus.com>
24806 * print-rtl.c (print_rtx): Print the names of the virtual
24809 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
24811 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
24812 introduced in previous delta.
24814 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24816 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
24817 to avoid name clash.
24819 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
24821 * c-lex.c (yylex) : Correct the test for overflow when lexing
24824 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
24826 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
24827 (adjust_priority): Always call ADJUST_PRIORITY.
24828 (schedule_insn): Only put insns into the ready at cost 0.
24829 (schedule_block): Remove redundant initial sort. Give clock_var
24830 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
24832 * tm.texi (MD_SCHED_REORDER): Update docs.
24834 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
24835 * sparc.c (ultra_reorder_called_this_block): Delete.
24836 (ultrasparc_sched_init): Don't set it.
24837 (ultrasparc_sched_reorder): Don't check it.
24839 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
24841 * rs6000.h (struct rs6000_args): Add sysv_gregno.
24842 * rs6000.c (init_cumulative_args): Init sysv_gregno.
24843 (function_arg_boundary): Align DFmode.
24844 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
24845 to get fp reg and stack overflow correct.
24846 (function_arg): Likewise.
24847 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
24848 (setup_incoming_varargs): Restructure for ABI_V4; use
24849 function_arg_advance to skip final named argument.
24850 (expand_builtin_saveregs): Properly unskip the last integer arg
24851 when doing varargs. Adjust overflow location calculation.
24853 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
24854 explicitly unsigned.
24855 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
24856 (__VA_GP_REGSAVE): Similarly.
24857 (__va_longlong_p): Delete.
24858 (__va_arg_type_violation): New declaration.
24859 (va_arg): Restructure. Flag promotion errors. Align double.
24860 TFmode passed by reference.
24862 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
24863 in the HOST_BITS_PER_WIDE_INT > 32 case.
24865 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
24867 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
24869 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
24871 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
24872 * toplev.c (documented_lang_options): Add -fpreprocessed.
24873 * cpplib.h (struct cpp_buffer): Add preprocessed.
24874 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
24875 (cpp_start_read): Don't expand macros or emit an initial #line
24876 directive if -fpreprocessed.
24878 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24880 * cpplib.h (struct cpp_buffer): Added manual_pop for
24881 better C++ tokenization.
24882 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
24883 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
24884 * c-common.c (cpp_token): Make non-static.
24886 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24888 * c-common.h: New file.
24889 * c-common.c (permanent_obstack): Delete unused declaration.
24890 (c_global_trees): New array.
24891 (c_common_nodes_and_builtins): New function; split off common code
24892 from init_decl_processing in both c-decl.c and cp/decl.c.
24893 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
24894 c_global_trees and accessor macros defined in c-common.h.
24895 Include c-common.h.
24896 * c-decl.c: Delete definitions for tree nodes that were replaced by
24898 (init_decl_processing): Build void_list_node.
24899 Call c_common_nodes_and_builtins; delete code to generate the common
24901 * objc/objc-act.c (build_module_descriptor): Rename variable
24902 void_list_node to avoid clash with c-common.h.
24904 * Makefile.in: Update dependencies.
24905 * objc/Make-lang.in: Likewise.
24907 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
24909 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
24910 (UNIQUE_SECTION_P): Likewise.
24911 (UNIQUE_SECTION): Likewise.
24913 1999-07-19 Linas Vepstas <linas@linas.org>
24915 * config/i370/README: New file.
24916 * config/i370/linux.h: New file.
24917 * config/i370/mvs.h: New file.
24918 * config/i370/oe.h: New file.
24919 * config/i370/t-linux: New file.
24920 * config/i370/t-mvs: New file.
24921 * config/i370/t-oe: New file.
24922 * config/i370/x-oe: New file.
24923 * config/i370/xm-linux.h: New file.
24924 * config/i370/xm-mvs.h: New file.
24925 * config/i370/xm-oe.h: New file.
24927 * i370.c (label_node_t): Add first_ref_page, label_addr,
24928 label_first_ref, label_last_ref members.
24929 (mvs_need_base_reload): Renamed from mvs_label_emitted.
24930 (MAX_MVS_LABEL_SIZE): Define.
24931 (MAX_LONG_LABEL_SIZE): Define.
24932 (alias_node_t, alias_anchor, alias_number): New.
24933 (mvs_function_table): Reorder for EBCDIC.
24934 (ascebc, ebcasc): Unconditionally define.
24935 (i370_branch_dest, i370_branch_length): New functions.
24936 (i370_short_branch, i370_label_scan): New functions.
24937 (mvs_get_label): Renamed from mvs_add_label. Search for
24938 an existing label before creating a new one.
24939 (mvs_add_label): New function.
24940 (mvs_get_label_page): New function.
24941 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
24942 over the entire list.
24943 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
24944 (mvs_check_page) [TARGET_ELF_ABI]: New function.
24945 (mvs_add_alias, mvs_need_alias): New functions.
24946 (mvs_get_alias, mvs_check_alias): New functions.
24947 (handle_pragma): New function.
24948 (mvs_function_check): New function.
24949 (unsigned_jump_follows_p): Search harder.
24950 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
24951 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
24952 * i370.h (TARGET_VERSION): Delete.
24953 (CPP_SPEC, CPP_PREDEFINES): Delete.
24954 (mvs_label_emitted): Delete.
24955 (TARGET_EBCDIC): Delete.
24956 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
24957 (HANDLE_PRAGMA): Define.
24958 (HARD_REGNO_NREGS): Handle complex modes.
24959 (HARD_REGNO_MODE_OK): Likewise.
24960 (CLASS_MAX_NREGS): Likewise.
24961 (RET_REG): Likewise.
24962 (EXTRA_CONSTRAINT): Define.
24963 (RETURN_IN_MEMORY): True for DImode.
24964 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
24965 (FUNCTION_PROFILER): Delete.
24966 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
24967 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
24968 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
24969 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
24970 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
24971 (ASM_FILE_START): Add "RMODE ANY".
24972 (ASM_OUTPUT_EXTERNAL): Check for aliases.
24973 (ASM_GLOBALIZE_LABEL): Likewise.
24974 (ASM_OUTPUT_LABELREF): Likewise.
24975 (ASM_OUTPUT_COMMON): Likewise.
24976 (PRINT_OPERAND): Handle 'K', 'W', default.
24977 (PRINT_OPERAND_ADDRESS): New.
24978 (Lots of defines): Add support for TARGET_ELF_ABI.
24979 * i370.md (attr length): New. Define for all patterns.
24980 (*): Lots of tweeks to assembly output and constraints.
24982 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
24984 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
24985 Disable patterns performing SImode comparisons with SImode values
24986 if TARGET_POWERPC64 and instruction does not sign-extend or does
24987 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
24988 differ for signed quantities.
24989 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
24990 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
24991 (decrement_and_branch_on_count): Add 64-bit variant.
24993 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24995 * final.c (output_asm_insn): When searching for the matching string
24996 for a given dialect, don't run past the end of the list of
24997 alternatives if there are fewer alternatives in the template than
25000 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
25002 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
25003 Removed paragraph about compression of files and size limitation,
25004 duplicated in the FAQ. Use gcc-patches for posting patches.
25005 * gcc.c (main): Updated URL with bug reporting instructions to
25006 gcc.gnu.org. Removed e-mail address.
25007 * system.h (abort): Likewise.
25009 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25011 * Makefile.in (stmp-multilib-sub): Make the files extracted
25012 from $(LIBGCC1) writable.
25014 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
25016 * config/arm/aout.h: Reformat for improved readability.
25018 * config/arm/arm.h: Reformat for improved readability.
25019 Replace uses of fprintf with asm_fprintf where appropriate.
25020 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
25021 function declaration assembler actions.
25022 (NUM_INTS): New macro: Convert from bytes to words.
25023 (NUM_REGS): New macro: Compute number of registers required to
25024 hold a quanitity of tyep MODE.
25025 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
25027 (NUM_ARG_REGS): New macro: The number of argument registers
25029 (ARG_REGISTER): New macro: Compute the register number of the Nth
25031 (LAST_ARG_REGNUM): New macro: The number of the last argument
25033 (SP_REGNUM): New macro: Register number of the stack pointer.
25034 (FP_REGNUM): New macro: Register number of the frame pointer.
25035 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
25036 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
25037 CUMULATIVE_ARGS so that it counts registers not bytes.
25039 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
25041 Replace uses of fprintf with asm_fprintf where appropriate.
25042 (output_ascii_pseudo_op): Replace with version from thumb.c
25044 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
25046 * config/arm/elf.h (CPP_PREDEFINES): Replace with
25047 SUBTARGET_CPP_SPEC.
25048 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
25049 (ASM_FILE_START): Emit ASM_APP_OFF.
25051 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
25053 * pa.c (compute_frame_size): Round frame according to
25054 STACK_BOUNDARY rather than a hardwired value.
25056 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
25058 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
25060 * configure: Rebuilt.
25062 * configure.in (hppa*-*-linux*): New configuration.
25063 * configure: Rebuilt.
25064 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
25065 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
25066 * pa/pa-linux.h: New file.
25067 * pa/t-linux: New file.
25068 * pa/xm-linux.h: New file.
25070 * pa.c (hppa_legitimize_address): Change references from SImode to
25071 either Pmode or word_mode as appropriate.
25072 (emit_move_sequence, store_reg, load_reg): Likewise.
25073 (set_reg_plus_d, hppa_expand_prologue): Likewise.
25074 (output_mul_insn): Likewise.
25075 * pa.h (PROMOTE_MODE): Likewise.
25076 (INITIALZE_TRAMPOLINE): Likewise.
25077 (Pmode): Define to word_mode.
25079 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
25080 value of 4. Allocate 8 bytes for each FP register save.
25081 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
25083 (hppa_expand_prologue): Likewise.
25084 * pa.h (PROMOTE_MODE): Likewise.
25085 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
25086 (FUNCTION_ARG_BOUNDARY): Likewise.
25088 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
25090 * pa.c (out_of_line_prologue_epilogue): Delete.
25091 (override_options): Remove -mspace related code.
25092 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
25093 (compute_frame_size): Only allocate space for register that
25094 actually need to be saved.
25095 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
25096 (TARGET_SWITCHES): Remove -mspace, -mno-space
25097 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
25098 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
25099 * pa/ee.asm, pa/ee_fp.asm: Delete.
25101 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
25103 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
25104 directive in column zero.
25106 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
25108 * m68k.c (output_function_prologue): Fix computation of save mask
25109 when generating PIC code.
25111 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
25113 * tree.c (build_type_attribute_variant): Move current_obstack restore
25114 after build_qualified_type call.
25116 1999-07-15 Mark Mitchell <mark@codesourcery.com>
25118 * configure.in: Use t-iris6, even with GNU LD.
25119 * config/mips/iris6gld.h: Fix typo in linker spec.
25120 * config/mips/t-iris6gld: Remove.
25122 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
25124 * rs6000.md (insv, extzv): Remove SImode dependence in named
25125 patterns. Explicitly generate DImode RTL if PowerPC64 and
25127 (insvdi): Reverse start and size in instruction template.
25129 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
25131 * invoke.texi: Typo fixes.
25133 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
25135 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
25136 handle at this time instead of silently generating incorrect code.
25137 (gen_imagpart): Likewise.
25139 * reload.c (find_reloads): Emit a USE for a pseudo register without
25140 a hard register if we could not create an optional reload for the
25143 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25145 * c-typeck.c (output_init_element, process_init_element):
25146 When advancing constructor_unfilled_fields for a RECORD_TYPE,
25147 check for nameless bit fields.
25149 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
25151 * regclass.c (scan_one_insn): Notice subregs that change the
25152 size of their operand.
25153 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
25155 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
25157 * configure.in (alpha*-*-*): Include alpha/t-ieee.
25158 * configure: Rebuilt.
25159 * alpha/t-ieee: New file.
25161 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
25163 * rs6000.c (find_addr_reg): Do not select r0 as an address
25166 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
25168 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
25170 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
25172 * rs6000.md (movsf): Do not force easy FP constants into memory.
25174 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
25175 immed_double_const to ensure they are properly truncated then
25178 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25180 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
25181 always unless NO_DEBUG is used. Compile this code
25183 (replace_symbols_in_block): Compile it unconditionally.
25185 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
25187 * configure.in (i?86-*-elf*): New target.
25188 * configure: Rebuilt.
25189 * i386/i386elf.h, i386/t-i386elf: New files.
25191 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
25193 * toplev.c (main): Don't complain about saying -gdwarf.
25194 (rest_of_compilation): Remove redundant code.
25196 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
25198 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
25200 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
25202 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
25203 "Li960R:", to avoid name clash.
25205 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25207 * loop.c (check_dbra_loop): When reversing a loop, delete all
25208 REG_EQUAL notes referencing the reversed biv except those which are
25209 for a giv based on it.
25211 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
25213 * version.c: Drop "gcc-" prefix from version #.
25215 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
25217 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
25218 the label if we're being verbose.
25220 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
25222 * m68k.c (output_function_prologue): Add pic register to mask
25223 if live and flag_pic.
25224 (output_function_epilogue): Likewise.
25226 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
25228 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
25229 directives in column zero.
25231 * pa/elf.h (ASM_FILE_START): Define.
25232 * pa/som.h (ASM_FILE_START): Include .level directives.
25233 * pa/hpux10.h (ASM_FILE_START): Delete.
25234 * pa/hpux11.h (ASM_FILE_START): Delete.
25236 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
25238 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25240 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
25241 when reload_out equals reload_in.
25243 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
25245 * invoke.texi (Spec Files): New node: Describe the contents of
25248 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
25250 * invoke.texi (DEC Alpha Options): Put @end table at
25251 beginning of line, to avoid confusing texi2html.
25253 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
25255 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
25256 introduced in previous delta.
25258 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25260 * reload1.c (gen_reload): When synthesizing a 3 operand add
25261 sequence, improve test for when to reload OP1 into the reload
25262 register instead of OP0.
25264 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
25266 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
25268 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
25270 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
25273 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
25275 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
25276 (va_dcl): Use __builtin_va_alist_t.
25278 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
25280 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
25281 on the permanent_obstack.
25282 * dwarfout.c (output_type): Likewise.
25284 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
25286 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25287 Merged from c-typeck.c and cp/typeck.c.
25288 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25289 Merged into c-common.
25291 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
25293 * c-lex.c (errorcount): Declare it.
25294 (finish_parse): Update errorcount when using CPPLIB.
25296 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
25298 * fixinc/inclhack.def(end_else_label): Double the backslash so
25299 sed gets a chance to see it.
25300 * fixinc/inclhack.sh: regen
25301 * fixinc/fixincl.x: regen
25303 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
25305 Add framework to support armv5 architecture when it becomes
25308 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
25309 (arm_arch5): New variable.
25310 (all_architectures): Add armv5 line.
25311 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
25312 -march=armv5 is specified on the command line.
25313 (arm_arch5): Export this variable.
25314 * invoke.texi: Document new string accepted by -march= switch for
25317 * config/arm/arm.h: Replace use of constant 12 as a register
25318 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25319 * config/arm/arm.c: Replace use of constant 12 as a register
25320 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25322 * config/arm/elf.h: Tidy up.
25323 * config/arm/coff.h: Tidy up.
25325 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
25327 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
25328 * gcc/config/mips/t-iris6gld: New file.
25329 * gcc/config/mips/iris6gld.h: Likewise.
25331 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
25333 * c-decl.c (widest_integer_literal_type_node,
25334 widest_unsigned_literal_type) : New.
25335 (init_decl_processing): Handle/use the two new types.
25336 * c-common.c (type_for_size,type_for_mode) : Same.
25337 * c-lex.c (yylex) : Same.
25338 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25340 * c-tree.h (widest_integer_literal_type_node,
25341 widest_unsigned_literal_type) : New.
25343 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
25345 * dwarfout.c (field_byte_offset): Correctly compute the object's
25346 byte offset for the first bit of a field which crosses an alignment
25347 boundary on a !BYTES_BIG_ENDIAN target.
25349 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
25351 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
25354 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
25355 Jeff Law <law@cygnus.com>
25357 * ginclude/varargs.h (va_dcl): Use word_mode for type of
25360 * except.c: Include intl.h.
25361 (expand_eh_return): Set current_function_cannot_inline.
25362 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
25363 * function.h (struct function): Add eh_return_stub_label.
25364 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
25365 * Makefile.in (except.o): Depend on intl.h.
25367 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
25369 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
25370 same as offsettable in cases 1 and 2.
25372 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
25374 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
25375 (extlh, extwh): Likewise.
25377 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
25379 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
25381 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
25383 * configure.in: Add arm-pe and thumb-pe targets.
25384 * configure: Regenerate.
25386 * thumb.c (arm_naked_function_p): New function: Determines if
25387 a function is naked (has no gcc generated prologue/epilogue).
25388 (is_called_in_ARM_mode): Return true if the func has the
25389 interfacearm attribute.
25390 (output_return): Do not generate a return for naked functions.
25391 (thumb_function_prologue): Do not generate a prologue for
25393 (thumb_expand_prologue): Do not generate a prologue for naked
25395 (thumb_expand_epilogue): Do not generate an epilogue for naked
25397 (arm_valid_machine_decl_attribute): New function, copied from
25398 arm.c: Permit naked and interfacearm attributes.
25400 * config/arm/pe.c: New file: Support code for arm-pe target.
25401 * config/arm/pe.h: New file: Header file for arm-pe target.
25402 * config/arm/tpe.h: New file: Header file for thumb-pe target.
25403 * config/arm/t-thumb-pe: New file: Makefile fragment for
25406 1999-07-01 Mark Kettenis <kettenis@gnu.org>
25408 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
25409 -fPIC or -fpic is specified.
25411 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
25413 * expr.c (emit_block_move): Use copy_to_mode_reg for
25414 !TARGET_MEM_FUNCTIONS case too.
25416 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
25418 * configure: Rebuilt.
25419 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
25420 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
25421 definitions made redundant by dbxelf.h inclusion. Delete
25422 lots of definitions related to assembly output that are
25423 specific to the SOM object format.
25424 * pa.c (output_function_prologue): Do not emit the function's
25426 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
25427 * pa-pro.h: Deleted.
25428 * som.h: New file with SOM specific definitions.
25429 * elf.h: New file with ELF specific definitions.
25431 * elfos.h (const_section): Output a tab before assembler directives.
25432 (ctors_section, dtors_section): Likewise.
25433 (ASM_OUTPUT_SECTION_NAME): Likewise.
25435 * pa/pa1.h: Delete unused file.
25437 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
25439 * configure.in (hppa*-hp-hpux11*): New configuration.
25440 * configure: Rebuilt.
25441 * pa/pa-hpux11.h: New file.
25442 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
25445 * mips.md (leasi, leadi): New patterns.
25447 * expr.c (emit_block_move): Properly handle case where one of the
25448 block move arguments has a queued increment or decrement.
25449 (clear_storage): Similarly. Fix formatting goof.
25451 1999-06-28 "David O'Brien" <obrien@NUXI.com>
25453 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
25454 semicolon from the BSD VA_LIST replacement expression.
25456 * fixinc/inclhack.sh: regen
25457 * fixinc/fixincl.x: regen
25459 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
25460 now use the fixincl program.
25462 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
25464 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
25465 case. Also make the PIC register call_used.
25467 * m68k.h (FINALIZE_PIC): Delete.
25468 * m68k.c (finalize_pic): Delete.
25470 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
25472 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
25475 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
25477 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
25479 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
25481 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
25483 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
25485 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
25487 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
25489 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
25491 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
25493 * rs6000.c (output_toc): Always use hex values for floating-point
25494 constants. Store single-precision values in upper-half of TOC
25495 entry in 64-bit mode.
25496 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
25497 to final constraints.
25498 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
25499 (fctiwz): Improve accuracy of RTL for pattern.
25501 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
25503 * expr.c (expand_expr): Allow RTL_EXPR's through the
25504 MAX_INTEGER_COMPUTATION_MODE checks.
25506 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
25508 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
25509 such that MASK_SUPPORT_ARCH is not negative.
25511 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
25513 * loop.c (verify_dominator): Properly handle ADDR_VEC and
25514 ADDR_DIFF_VEC insns that appear inside loops.
25516 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
25517 Jeff Law <law@cygnus.com>
25519 * rs6000.md (movdf_hardfloat32): Revert previous patch.
25520 Handle LO_SUM the same as offsettable in cases 1 and 2.
25521 * rs6000.c (find_addr_reg): Revert previous patch.
25523 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
25525 * system.h (strstr): New external function declaration.
25526 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
25527 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
25528 * config.in, configure: Rebuilt.
25530 1999-06-24 Tom Tromey <tromey@cygnus.com>
25532 * gcc.c (main): Read user-specified specs files after computing
25533 additional startfile_prefixes.
25535 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
25537 Revert these two patches:
25539 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25540 * loop.c (strength_reduce): When doing biv->giv conversion, update
25541 reg note of NEXT->insn.
25543 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25544 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25546 (recombine_givs): Set ix field after sorting.
25548 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25550 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
25551 for the parts of an UNSPEC / UNSPEC_VOLATILE.
25553 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
25555 *fixinc/inclhack.def: Add fix development commentary
25556 (read_ret_type): reactivate and add selection clause
25557 (zzz_*): tweak output file name to match what is used in hackshell.tpl
25558 *fixinc/{fixincl.x|inclhack.sh}: regen
25560 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
25562 * expr.c (expand_expr): STRIP_NOPS before checking against
25563 MAX_INTEGER_COMPUTATION_MODE
25564 (check_max_integer_computation_mode): Likewise.
25566 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
25568 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
25570 1999-06-22 Jim Wilson <wilson@cygnus.com>
25572 * expr.c (store_expr): When target is a promoted subreg, return a
25573 promoted subreg as a result.
25575 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
25577 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
25579 (dwarf2out_define): Mark unused parameters appropriately.
25580 (gen_unspecified_parameters_die): Ditto.
25581 (gen_subprogram_die): Fix signed/unsigned warnings.
25582 (gen_variable_die): Ditto.
25584 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
25586 * fixinc/inclhack.def(end_else_label): combined else_label
25587 and endif_label and fixed the sed expression.
25588 *fixinc/{fixincl.x|inclhack.sh}: regen
25590 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
25592 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
25593 'x' when handling non-offsettable addresses
25595 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
25597 * final.c (shorten_branches): Don't try to split an insn that has
25600 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
25602 * config/mips/mips.c (symbolic_expression_p): New function.
25603 (mips_select_rtx_section): Put symbolic expressions in the
25604 data section, not the read-only data section.
25606 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
25608 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
25610 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
25612 * collect2.c (main): Log frame table count.
25613 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
25614 (scan_prog_file) [COFF]: Handle frame tables.
25616 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
25617 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
25618 * alpha/elf.h: Undef them again.
25619 * alpha/vms.h: Remove their definitions.
25621 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25623 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
25624 remove the clobber of r0 and change the REG_UNUSED note to
25627 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
25629 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
25630 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
25631 fits in HOST_WIDE_INT and one uses union to access a long constant
25634 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
25636 * sparc.c (sparc_override_options): Don't allow profiling for
25637 code models other than medlow.
25638 (sparc_function_profiler): New function from old FUNCTION_PROFILER
25639 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
25640 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
25641 (sparc_block_profiler): Likewise.
25642 (sparc_function_block_profiler_exit): Likewise.
25643 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
25644 (FUNCTION_BLOCK_PROFILER): Likewise.
25645 (BLOCK_PROFILER): Likewise.
25646 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
25647 (MCOUNT_FUNCTION): New.
25648 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
25649 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
25650 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
25651 (MCOUNT_FUNCTION): New.
25652 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
25653 (BLOCK_PROFILER): Delete.
25654 (MCOUNT_FUNCTION): New.
25656 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
25658 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
25660 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25662 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25665 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25668 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25671 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25674 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
25676 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
25679 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
25681 * i386/djgpp.h (LIB_SPEC): New.
25682 (STARTFILE_SPEC): New.
25684 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
25686 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
25688 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
25691 * system.h (WSTOPSIG): New macro.
25693 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
25695 * c-pragma.c (push_alignment): Don't ignore alignments greater than
25697 (insert_pack_attributes): Take into account member natural
25700 * i386/winnt.c (exports_head): New static variable.
25701 (i386_pe_record_exported_symbol): New function.
25702 (i386_pe_asm_file_end): Use.
25703 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
25704 symbols to be emitted at end of assembly.
25705 (ASM_DECLARE_OBJECT_NAME): Likewise.
25706 (ASM_DECLARE_FUNCTION_NAME): Likewise.
25708 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
25711 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
25713 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
25716 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
25718 * haifa-sched.c (sched_analyze_1): Use free_list instead of
25719 zapping reg_last_uses directly.
25720 (sched_analyze_2, sched_analyze_insn): Likewise.
25721 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
25723 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
25725 * rs6000.md (movdf_hardfloat32): Use worst case insn length
25726 attributes for cases 1 and 2.
25728 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
25730 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
25733 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
25735 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
25737 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
25739 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
25740 PIC_OFFSET_TABLE_REGNUM for general alloaction.
25741 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
25742 must be stacked if it is used for PIC accesses.
25743 * arm.c (use_return_insn): Handle PIC register specially.
25744 (output_return_instruction): Likewise.
25745 (output_func_{prologue,epilogue}): Likewise.
25746 (output_expand_prologue): Likewise.
25748 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
25749 (*strsi_predec): Renamed from *strqi_predec.
25750 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
25751 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
25753 * arm.c (arm_override_options): Remove warning about PIC code
25754 not being supported.
25756 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
25758 * rs6000.c (find_addr_reg): New function.
25759 * rs6000.h (find_addr_reg): Declare.
25760 (offsettable_addr_operand): Delete.
25761 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
25762 from and stores to GPRs.
25764 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
25766 * alpha.c (alpha_expand_block_move): Use get_insns rather than
25767 gen_sequence as argument to emit_no_conflict_block.
25769 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25771 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
25772 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
25773 *fixinc/fixincl.x: regen
25774 *fixinc/inclhack.sh: regen
25776 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
25778 * added support for -mpcrel (PC relative addressing for m68k)
25779 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
25780 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
25781 * m68k.c (print_operand_address): Handle 32-bit PIC case.
25782 (comments for general_src_operand): Add some explanation
25783 about EXTRA_CONSTRAINTS.
25784 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
25785 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
25786 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
25787 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
25788 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
25789 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
25790 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
25791 if not already set.
25792 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
25793 * m68k.h (TARGET_PCREL): New target flag.
25794 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
25795 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
25796 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
25797 contains a SYMBOL_REF. Relax this constraint during reload, since
25798 we want to use the predicates, not reload's built-in concept of a
25799 valid memory address, to control what insns need reloading.
25800 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
25801 operands (essentially 'g', 'm', and 's' under normal circumstances).
25802 * m68k.c (print_operand): Cause printing of pc-relative addresses
25803 to include pc register.
25804 (print_operand_address): Ditto.
25805 (general_src_operand): Accept operands that are not only
25806 general_operands, but are also valid when used as a pc-relative
25808 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
25809 (memory_src_operand): Similar, for memory_operands.
25810 (pcrel_address): New predicate to accept the special case of a
25811 pc-relative address.
25812 * m68k.md (many patterns): Rewrite common SImode, HImode, and
25813 QImode insns to accept *_src_operand instead of *_operand where
25814 pc-relative operands can fit. For example, a pc-relative operand
25815 can be used as a memory source operand for addsi3, but not as a
25816 memory destination.
25817 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
25819 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
25821 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
25822 .thumb_set pseudo op to mark aliases of thumb functions.
25824 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
25826 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
25827 preference to ASM_OUTPUT_DEF, if it is defined.
25829 * tm.texi: Document new, optional target macro
25830 ASM_OUTPUT_DEF_FROM_DECLS.
25832 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25834 * fixincludes: ISCNTL patch
25835 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
25836 (dgux_int_varargs): new for DG/UX
25837 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
25839 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
25841 * invoke.texi (ia32 options): Fix typo.
25843 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25845 * loop.c (strength_reduce): When doing biv->giv conversion, update
25846 reg note of NEXT->insn.
25848 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
25850 * loop.c (move_movables): Note issues with replacing REGs with
25852 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
25854 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
25856 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
25858 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
25859 the reference to `mcount' was not correct for the ELF on FreeBSD.
25861 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25863 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25866 (recombine_givs): Set ix field after sorting.
25868 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
25870 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
25871 to safe to extract a subword out of a REG.
25873 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25875 * sh.md (mulsi3): Don't add a no-op move at the end.
25877 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25879 * cse.c (cse_insn): Don't put hard register source into tables for
25880 the last insn of a libcall.
25882 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25884 * loop.c (strength_reduce): Insert sets of derived givs at every
25885 biv increment, even if it's the only one.
25887 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
25889 * dwarfout.c (add_incomplete_type): New fn.
25890 (output_type): Call it.
25891 (retry_incomplete_types): New fn.
25892 (dwarfout_finish): Call it.
25894 From Eric Raskin <ehr@listworks.com>:
25895 (output_type): Output types for bases.
25897 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
25899 * mips.c (mips_output_conditional_branch): Add `break'
25900 between `default' label and `close braces'.
25902 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
25904 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
25905 specifications and make it realistic.
25906 (LIB_SPEC): Likewise.
25908 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
25910 * config/mips/mips.c (mips_secondary_reload_class): Check for
25911 (PLUS (SP) (REG)) and return appropriate register class.
25912 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
25913 Handle (PLUS (SP) (REG)).
25914 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
25915 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
25916 of emit_insn for tablejump.
25918 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
25920 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
25921 asm_fprintf format string by itself.
25922 (output_function_profiler): Likewise.
25924 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
25926 * combine.c (simplify_logical, case AND): Only call
25927 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
25928 or the constant is positive.
25930 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
25932 * configure.in: Fix typo in rs6000-ibm-aix4 case.
25933 * configure: Regenerate.
25935 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
25937 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
25938 require a sub-version #.
25939 * configure: Rebuilt.
25941 1999-06-14 Robert Lipe (robertlipe@usa.net)
25943 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
25945 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
25947 * c-typeck.c (process_init_element): Detect excess elements in
25948 char array initializer.
25950 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
25952 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
25954 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25956 * invoke.texi (Option Summary): Add -fpermissive flag.
25958 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
25960 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
25961 that require PIC code sequences.
25963 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
25965 * configure.in: Add new target: thumb-elf.
25966 * configure: Regenerate.
25967 * config/arm/t-thumb-elf: New file: Makefile fragment for
25969 * config/arm/telf.h: New file: Header file for thumb-elf
25972 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
25974 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
25975 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
25976 initializers is some circumstances.
25978 * fixinc/inclhack.def (endif_label): Add additional selector for
25979 more bogus stuff after #endif statements.
25980 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
25982 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
25984 * i386/cygwin.h (SET_ASM_OP): Define.
25986 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
25988 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
25990 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25992 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
25995 * sh.md (ic_invalidate_line_i): Remove second alternative.
25997 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25999 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
26000 test for the presence of valid prototypes. Delete bypass expr.
26001 (ioctl_fix_ctrl): Correct the selection expression.
26002 (no_double_slash): Correct quoting rules
26003 *fixinc/fixincl.x: regen
26004 *fixinc/inclhack.sh: regen
26006 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
26008 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
26010 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26012 * rs6000.md (movsi_got_internal_mem): Delete.
26013 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
26014 (GOT_TOC_REGNUM): Delete.
26015 (PIC_OFFSET_TABLE_REGNUM): Define.
26016 (FINALIZE_PIC): Disable.
26017 * rs6000.c (rs6000_got_register): New code for fixed pic register.
26018 (rs6000_replace_regno): Delete.
26019 (rs6000_finalize_pic): Likewise.
26020 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
26022 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26024 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
26025 is a note; use <= for the compare; advance P while it is
26028 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
26030 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
26031 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
26033 * varasm.c (remove_from_pending_weak_list): Verify t->name
26034 is non-NULL before passing it to strcmp.
26036 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26038 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
26039 the typed arguments are not part of a comment
26040 (ioctl_fix_ctrl): Added a purpose comment
26041 *fixinc/fixincl.x: regenerate
26042 *fixinc/inclhack.sh: regenerate
26044 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
26046 * invoke.texi: Add C4x invocation docs.
26048 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
26050 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
26052 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
26054 (c4x_legitimize_reload_address): New function.
26055 * config/c4x/c4x.md: Update docs.
26057 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
26059 * fixincludes: Avoid removing '.'.
26060 * fixinc/fixinc.svr4: Likewise.
26061 * fixinc/fixinc.winnt: Likewise.
26062 * fixinc/inclhack.tpl: Likewise.
26063 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
26065 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26067 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
26069 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
26071 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
26073 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
26076 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
26078 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
26079 * configure: Regenerate.
26081 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
26083 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
26086 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
26088 * fixinc/inclhack.def (avoid_bool): Also catch
26089 "typedef [unsigned] int bool".
26090 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
26092 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
26093 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
26094 * configure: Rebuilt.
26096 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
26098 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
26099 such that we can override its definitions if necessary.
26100 (CPP_SPEC): New define. Support processor specific predefines via
26102 (CC1_SPEC): New define. Support processor specific compiler
26103 options via %(cc1_cpu).
26104 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
26107 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26109 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
26110 between sed's -e flag, and the open-quote following it.
26111 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
26113 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
26114 Jeffrey A Law (law@cygnus.com)
26116 * varasm.c (assemble_start_function): Remove the function
26117 from the pending weak decls list when we define a function.
26118 (assemble_variable): Similarly for variables.
26119 (weak_finish): Ignore items on the list with a NULL name.
26120 (remove_from_ending_weak_list); New function to "remove" an item
26121 from the pending weak declarations list.
26123 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26125 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
26127 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
26129 * c-lex.c (GETC): Redefine to call getch.
26130 (UNGETC): Redefine to call put_back.
26131 (putback_buffer): New structure type.
26132 (putback): New static structure.
26133 (getch): New function.
26134 (put_back): New function.
26135 (yylex): Replace unused bytes from bad multibyte character.
26137 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
26139 * cpplib.c (do_define): Cast `alloca' return value.
26140 (do_include, do_undef, do_pragma): Likewise.
26141 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
26143 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
26144 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
26146 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
26148 * sparc.md (abstf2): This should be an expand.
26149 (split after abstf2_notv9): Fix mode.
26150 (abstf2_hq_v9): New pattern.
26151 (abstf2_v9): Only use when no hard quad.
26152 (absdf2_v9): Fix if target is not the same as source.
26153 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
26154 Add correct output constraints.
26156 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
26158 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
26159 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
26161 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
26163 * mips.h (mips_output_conditional_branch): New function.
26164 (mips_adjust_insn_length): Likewise.
26165 (ASSEMBLER_SCRATCH_REGNUM): New macro.
26166 (ADJUST_INSN_LENGTH): Likewise.
26167 * mips.c (print_operand): Add `F' and `W' for floating-point
26168 comparison opcodes.
26169 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
26171 (mips_adjust_insn_length): New function.
26172 (mips_output_conditional_branch): New function.
26173 * mips.md (length): Adjust attribute definition to handle
26174 conditional branches. Change lengths to bytes, rather than
26175 instructions throughout. Remove length attribute from
26176 instructions whose length is four bytes, and rely on the default
26178 (dslot): Fix typo in comment.
26179 Reword conditional branch patterns to use
26180 mips_output_conditional_branch.
26182 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
26184 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
26185 (LIB_SPEC): Likewise.
26186 Link with -lprof1_r for -g/-pg.
26188 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26190 * loop.c (check_dbra_loop): Fix change of Jan 19.
26192 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
26194 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
26195 (STARTFILE_SPEC): Define, override the svr4.h version.
26196 (ENDFILE_SPEC): Likewise.
26198 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
26200 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
26201 * fixinc/fixincl.x: Regenerated.
26202 * fixinc/inclhack.sh: Regenerated.
26204 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26206 * sh.c (barrier_align): Don't return early for normal branch/barrier
26207 when optimizing for SH2.
26209 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
26211 * i386/udk.h (LINK_SPEC): Correct linker search path for
26214 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26216 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
26217 (braf_label_ref_operand): Delete.
26218 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
26219 * sh.md (casesi_jump_2): Operand1 is now the inside of a
26220 label_ref, and has no predicate.
26221 The patten has a predicate to guard against invalid substitutions.
26222 (dummy_jump): Delete.
26223 (casesi): Update use of casesi_jump_2.
26225 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26227 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
26228 *fixinc/fixincl.x: regenerate
26229 *fixinc/inclhack.sh: regenerate
26231 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
26233 * dwarf2out.c (add_incomplete_type): New fn.
26234 (gen_struct_or_union_type_die): Call it.
26235 (retry_incomplete_types): New fn.
26236 (dwarf2out_finish): Call it.
26238 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
26240 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
26241 current block starts with a CODE_LABEL and ends with a CALL and
26242 we can not find all the argument setup instructions for the CALL.
26244 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
26246 Revert this change:
26247 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26248 something is a candidate for optimize_bit_field_compare.
26250 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26252 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
26254 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
26256 * alpha.c (override_options): Thinko in last patch.
26258 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
26259 (LIB_SPEC): Recognize -pthread.
26261 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
26263 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
26264 definition in config/arm/coff.h
26265 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
26267 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26269 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
26270 fixes that need "file=xxx\n" prepended before invocation
26271 (start_fixer - new): starting the fixer process is complex enough
26272 to warrent its own routine. It prepends the "file=xxx\n" stuff.
26273 (process): uses the new routine; omit usage of putenv()
26274 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
26275 * fixinc/fixincl.x: regenerate
26277 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
26279 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
26280 and version #s (1.1 -> 2.96) as needed.
26281 * README.g77: Kill way out of date file in the toplevel directory.
26283 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
26285 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
26286 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
26287 * configure: Rebuilt.
26288 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
26289 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
26290 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
26291 (SWITCH_TAKES_ARG): Likewise.
26292 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
26293 * config/t-freebsd: Moved from config/i386/ so it can used for all
26296 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
26298 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
26300 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
26302 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
26303 * configure: Rebuilt.
26305 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
26307 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
26308 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
26309 * rs6000/rs6000.c (rs6000_file_start): Use putc.
26310 (rs6000_output_load_toc_table): Same.
26311 (output_prolog, output_mi_thunk): Same.
26312 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
26313 (ASM_GLOBALIZE_LABEL): Use putc.
26315 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
26317 * alpha.md (reload_*_help): New patterns and splitters.
26318 (reload_*): Use them.
26319 (mov[qh]i): Likewise.
26321 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
26323 * cccp.c (handle_directive): Handle backslash-newlines in quoted
26326 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
26328 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
26330 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
26332 * flow.c (mark_regs_live_at_end, insn_dead_p,
26333 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
26334 and HARD_FRAME_POINTER_REGNUM special treatment if reload
26335 hasn't run or the frame pointer is needed.
26336 * haifa-sched.c (attach_deaths): Likewise.
26337 * sched.c (attach_deaths): Likewise.
26339 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
26341 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
26342 calculate_can_reach_end returns nonzero.
26344 * configure.in (native gas tests): Search for an assembler in the
26345 same manner that the installed compiler will.
26346 * configure: Rebuilt.
26347 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
26349 * alias.c (find_base_term): Improve handling of addresses
26350 constructed from binary operations.
26352 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
26354 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
26356 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
26358 * function.h (cleanup_label, frame_offset): Declare.
26359 (tail_recursion_label, tail_recursion_reentry): Likewise.
26360 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26361 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
26362 (tail_recursion_label, tail_recursion_reentry): Likewise.
26363 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26365 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
26367 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
26369 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
26370 (MAX_OFILE_ALIGNMENT): Define.
26372 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
26374 * fixincl.c: Replace local include scheme with #includes of
26375 gansidecl.h and system.h.
26376 * procopen.c: Likewise.
26377 * server.c: Likewise.
26379 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
26381 * i386/t-dgux (EXTRA_PARTS): Add crti.o
26382 (crti.o): Add build rule and dependencies.
26383 * fixinc/fixinc.dgux: Use modified _int_varargs.h
26385 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26387 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
26388 (LIB_LINUX_SPEC): Likewise.
26389 (LIB_LINUX_SPEC): Add support for -pthread
26390 (CPP_OS_LINUX_SPEC): Likewise.
26391 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
26394 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
26396 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
26398 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
26399 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
26400 for IEEE math and CC_FCOMI.
26401 (put_jump_code): No IEEE if CC_FCOMI is set.
26403 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26405 * fold-const.c (fold_truthop): Make the field reference unsigned
26406 when converting a single bit compare.
26408 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26410 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
26412 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
26414 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
26415 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
26418 * reload.c (push_reload): Do not call remove_address_replacements
26419 when presented with identical optional reloads.
26421 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
26423 * alpha.h (MASK_FIX, TARGET_FIX): New.
26424 (MASK_*): Reorganize constants.
26425 (CPP_AM_FIX_SPEC): New.
26426 (TARGET_SWITCHES): Add FIX.
26427 (EXTRA_SPECS): Likewise.
26428 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
26429 (SECONDARY_MEMORY_NEEDED): Likewise.
26430 (REGISTER_MOVE_COST): Likewise.
26431 * alpha.c (override_options): Add FIX support. Always use
26432 ALPHA_TP_PROG for ev6.
26433 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
26434 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
26435 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
26437 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
26439 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26440 something is a candidate for optimize_bit_field_compare.
26442 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
26444 * gcc.texi (Passes): Document branch-shortening.
26445 * invoke.texi (Debugging Options): Document the fact that `-dp'
26446 outputs length information for instructions.
26448 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
26450 * flow.c: Revert previous delta.
26452 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
26454 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
26455 FRAME_POINTER_REGNUM.
26456 (mark_set_1): Ditto.
26457 (mark_used_regs): Ditto.
26459 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
26461 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
26462 (GOT_PCREL): New macro. Define to 1 if not already defined.
26463 * arm/elf.h (GOT_PCREL): Define to 0.
26464 * arm.c (arm_finalize_pic): Take into account the setting of
26467 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
26469 * output.h (STRIP_NAME_ENCODING): Provide default definition.
26470 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
26472 * flow.c (mark_set_1): Do not record BLKmode stores as dead
26473 store elimination candidates.
26475 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
26477 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
26480 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
26482 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
26483 Add use of x-aix41-gld.
26485 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
26487 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
26488 (ASM_OUTPUT_DESTRUCTOR): Define.
26490 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
26492 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
26493 last CODE_LABEL in a loop if we have previously passed a jump
26494 to the top of the loop.
26496 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
26498 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
26499 applying Philip's patch.
26501 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
26503 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
26506 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
26508 * loop.c (strength_reduce): Grow reg_single_usage as needed.
26510 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
26512 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
26513 Also remove a useless comment.
26515 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26517 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
26519 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
26521 * collect2.c (main): Only generate import or export file and add
26522 to link arguments if non-empty. Use xmalloc not alloca.
26523 (write_{export,import}_file): Delete.
26524 (write_aix_file): New function.
26525 (locatelib): Use xmalloc not malloc.
26526 (GCC_OK_SYMBOL): Do not check type if aix64.
26528 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
26530 Based on patch by Scott Bambrough and Pat Beirne:
26531 * config/arm/arm.c (making_const_table): New variable.
26532 * config/arm/arm.h (making_const_table): Declare.
26533 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
26535 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
26536 Keep track of when we are building the constant table.
26538 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
26540 * config/arm/arm.c (arm_override_options): Fix erroneous warning
26543 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
26545 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
26548 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
26550 * tm.texi (FUNCTION_ARG): Correct description of a stack element
26553 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
26555 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
26557 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26559 * rs6000.c (output_mi_thunk): Enable full support again.
26561 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26563 * sh.h (BRANCH_COST): Define.
26565 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
26567 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
26569 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
26571 * function.c (assign_stack_local): Align stack slot propertly.
26572 (assign_outer_stack_local): Likewise.
26574 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
26576 * expr.h (lang_expand_constant): Declare.
26577 * toplev.c (lang_expand_constant): Define it.
26578 * varasm.c (output_constant): Use it.
26580 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26582 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
26583 Change function definitions to K&R style.
26585 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26587 * fixinc/fixincl.c: We must not ignore SIGCLD now.
26589 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
26591 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
26592 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
26593 (several places): omit static initialization
26594 (process): use single fd, since only the read fd is used
26595 * fixinc/gnu-regex.c: define 'const' away, if not supported
26596 * fixinc/procopen.c(several places): omit static initialization
26597 * fixinc/server.c: define 'volitile' away, if not supported
26599 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26601 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
26602 asm_fprintf and %L to generate the label name.
26603 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
26604 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
26606 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
26608 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
26609 insn for a conditional jump can not be found.
26611 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
26613 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
26614 on variables in specific sections other than .sbss and .sdata.
26616 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
26618 * stmt.c (expand_return): Call start_cleanup_deferral and
26619 end_cleanup_deferral around conditional code.
26621 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26623 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
26624 filename lists. Utilizes new "krstr" AutoGen function.
26625 * fixinc/fixincl.x: Rebuilt.
26627 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
26629 * i386.c (output_float_compare): Avoid GNU-C extensions.
26631 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
26633 * version.c: Bump to distinguish mainline tree from the
26636 See ChangeLog.1 for earlier changes.